Alan,
Please apply this patch for kernel 2.5.6-pre2 for the 3ware driver to
support the new DMA mapping code, and several other fixes.
Thanks.
--
Adam Radford
Software Engineer
3ware, Inc.
diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c
--- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c Tue Feb 19 18:11:00 2002
+++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c Wed Feb 27 11:53:49 2002
@@ -6,7 +6,7 @@
Arnaldo Carvalho de Melo <[email protected]>
Brad Strand <[email protected]>
- Copyright (C) 1999-2001 3ware Inc.
+ Copyright (C) 1999-2002 3ware Inc.
Kernel compatablity By: Andre Hedrick <[email protected]>
Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
@@ -106,17 +106,41 @@
Add entire aen code string list.
1.02.00.010 - Cleanup queueing code, fix jbod thoughput.
Fix get_param for specific units.
+ 1.02.00.011 - Fix bug in tw_aen_complete() where aen's could be lost.
+ Fix tw_aen_drain_queue() to display useful info at init.
+ Set tw_host->max_id for 12 port cards.
+ Add ioctl support for raw command packet post from userspace
+ with sglist fragments (parameter and io).
+ 1.02.00.012 - Fix read capacity to under report by 1 sector to fix get
+ last sector ioctl.
+ 1.02.00.013 - Fix bug where more AEN codes weren't coming out during
+ driver initialization.
+ Improved handling of PCI aborts.
+ 1.02.00.014 - Fix bug in tw_findcards() where AEN code could be lost.
+ Increase timeout in tw_aen_drain_queue() to 30 seconds.
+ 1.02.00.015 - Re-write raw command post with data ioctl method.
+ Remove raid5 bounce buffers for raid5 for 6XXX for kernel 2.5
+ Add tw_map/unmap_scsi_sg/single_data() for kernel 2.5
+ Replace io_request_lock with host_lock for kernel 2.5
+ Set max_cmd_len to 16 for 3dm for kernel 2.5
+ 1.02.00.016 - Set host->max_sectors back up to 256.
+ 1.02.00.017 - Modified pci parity error handling/clearing from config space
+ during initialization.
+ 1.02.00.018 - Better handling of request sense opcode and sense information
+ for failed commands. Add tw_decode_sense().
+ Replace all mdelay()'s with scsi_sleep().
+ 1.02.00.019 - Revert mdelay's and scsi_sleep's, this caused problems on
+ some SMP systems.
+ 1.02.00.020 - Add pci_set_dma_mask(), rewrite kmalloc()/virt_to_bus() to
+ pci_alloc/free_consistent().
*/
-#error Please convert me to Documentation/DMA-mapping.txt
-
#include <linux/module.h>
MODULE_AUTHOR ("3ware Inc.");
MODULE_DESCRIPTION ("3ware Storage Controller Linux Driver");
MODULE_LICENSE("GPL");
-
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/time.h>
@@ -148,14 +172,17 @@
static void tw_copy_mem_info(TW_Info *info, char *data, int len);
static void tw_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
static int tw_halt(struct notifier_block *nb, ulong event, void *buf);
+static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
+static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
+static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
/* Notifier block to get a notify on system shutdown/halt/reboot */
static struct notifier_block tw_notifier = {
- tw_halt, NULL, 0
+ tw_halt, NULL, 0
};
/* Globals */
-char *tw_driver_version="1.02.00.010";
+char *tw_driver_version="1.02.00.020";
TW_Device_Extension *tw_device_extension_list[TW_MAX_SLOT];
int tw_device_extension_count = 0;
@@ -166,6 +193,7 @@
{
TW_Param *param;
unsigned short aen;
+ int error = 0;
dprintk(KERN_WARNING "3w-xxxx: tw_aen_complete()\n");
if (tw_dev->alignment_virtual_address[request_id] == NULL) {
@@ -184,12 +212,15 @@
if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s%d.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff], aen >> 8);
} else {
- printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
+ if (aen != 0x0)
+ printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
}
- } else
+ } else {
printk(KERN_WARNING "3w-xxxx: scsi%d: Received AEN %d.\n", tw_dev->host->host_no, aen);
+ }
}
- tw_dev->aen_count++;
+ if (aen != 0x0)
+ tw_dev->aen_count++;
/* Now queue the code */
tw_dev->aen_queue[tw_dev->aen_tail] = aen;
@@ -205,8 +236,18 @@
tw_dev->aen_head = tw_dev->aen_head + 1;
}
}
- tw_dev->state[request_id] = TW_S_COMPLETED;
- tw_state_request_finish(tw_dev, request_id);
+
+ if (aen != TW_AEN_QUEUE_EMPTY) {
+ error = tw_aen_read_queue(tw_dev, request_id);
+ if (error) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing AEN.\n", tw_dev->host->host_no);
+ tw_dev->state[request_id] = TW_S_COMPLETED;
+ tw_state_request_finish(tw_dev, request_id);
+ }
+ } else {
+ tw_dev->state[request_id] = TW_S_COMPLETED;
+ tw_state_request_finish(tw_dev, request_id);
+ }
return 0;
} /* End tw_aen_complete() */
@@ -237,10 +278,11 @@
status_reg_addr = tw_dev->registers.status_reg_addr;
response_que_addr = tw_dev->registers.response_que_addr;
- if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 15)) {
+ if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 30)) {
dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): No attention interrupt for card %d.\n", tw_device_extension_count);
return 1;
}
+ tw_clear_attention_interrupt(tw_dev);
/* Initialize command packet */
if (tw_dev->command_packet_virtual_address[request_id] == NULL) {
@@ -288,7 +330,7 @@
do {
/* Post command packet */
outl(command_que_value, command_que_addr);
-
+
/* Now poll for completion */
for (i=0;i<imax;i++) {
mdelay(5);
@@ -311,8 +353,7 @@
if (command_packet->status != 0) {
if (command_packet->flags != TW_AEN_TABLE_UNDEFINED) {
/* Bad response */
- dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
- tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
+ tw_decode_sense(tw_dev, request_id, 0);
return 1;
} else {
/* We know this is a 3w-1x00, and doesn't support aen's */
@@ -326,7 +367,7 @@
queue = 0;
switch (aen_code) {
case TW_AEN_QUEUE_EMPTY:
- dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_EMPTY.\n");
+ dprintk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
if (first_reset != 1) {
continue;
} else {
@@ -334,51 +375,28 @@
}
break;
case TW_AEN_SOFT_RESET:
- dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_SOFT_RESET.\n");
if (first_reset == 0) {
first_reset = 1;
} else {
+ printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
+ tw_dev->aen_count++;
queue = 1;
}
break;
- case TW_AEN_DEGRADED_MIRROR:
- dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_DEGRADED_MIRROR.\n");
- queue = 1;
- break;
- case TW_AEN_CONTROLLER_ERROR:
- dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_CONTROLLER_ERROR.\n");
- queue = 1;
- break;
- case TW_AEN_REBUILD_FAIL:
- dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_FAIL.\n");
- queue = 1;
- break;
- case TW_AEN_REBUILD_DONE:
- dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_DONE.\n");
- queue = 1;
- break;
- case TW_AEN_QUEUE_FULL:
- dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_FULL.\n");
- queue = 1;
- break;
- case TW_AEN_APORT_TIMEOUT:
- printk(KERN_WARNING "3w-xxxx: Received drive timeout AEN on port %d, check drive and drive cables.\n", aen >> 8);
- queue = 1;
- break;
- case TW_AEN_DRIVE_ERROR:
- printk(KERN_WARNING "3w-xxxx: Received drive error AEN on port %d, check/replace cabling, or possible bad drive.\n", aen >> 8);
- queue = 1;
- break;
- case TW_AEN_SMART_FAIL:
- printk(KERN_WARNING "3w-xxxx: Received S.M.A.R.T. threshold AEN on port %d, check drive/cooling, or possible bad drive.\n", aen >> 8);
- queue = 1;
- break;
- case TW_AEN_SBUF_FAIL:
- printk(KERN_WARNING "3w-xxxx: Received SBUF integrity check failure AEN, reseat card or bad card.\n");
- queue = 1;
- break;
default:
- dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Unknown AEN code 0x%x.\n", aen_code);
+ if (aen == 0x0ff) {
+ printk(KERN_WARNING "3w-xxxx: AEN: AEN queue overflow.\n");
+ } else {
+ if ((aen & 0x0ff) < TW_AEN_STRING_MAX) {
+ if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
+ printk(KERN_WARNING "3w-xxxx: AEN: %s%d.\n", tw_aen_string[aen & 0xff], aen >> 8);
+ } else {
+ printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
+ }
+ } else
+ printk(KERN_WARNING "3w-xxxx: Received AEN %d.\n", aen);
+ }
+ tw_dev->aen_count++;
queue = 1;
}
@@ -488,40 +506,44 @@
return 0;
} /* End tw_aen_read_queue() */
-/* This function will allocate memory and check if it is 16 d-word aligned */
-int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which)
+/* This function will allocate memory */
+int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
{
- u32 *virt_addr = kmalloc(size, GFP_ATOMIC);
+ int i;
+ dma_addr_t dma_handle;
+ u32 *cpu_addr = NULL;
dprintk(KERN_NOTICE "3w-xxxx: tw_allocate_memory()\n");
- if (!virt_addr) {
- printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): kmalloc() failed.\n");
- return 1;
- }
+ for (i=0;i<TW_Q_LENGTH;i++) {
+ cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size, &dma_handle);
+ if (cpu_addr == NULL) {
+ printk(KERN_WARNING "3w-xxxx: pci_alloc_consistent() failed.\n");
+ return 1;
+ }
- if ((u32)virt_addr % TW_ALIGNMENT) {
- kfree(virt_addr);
- printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): Found unaligned address.\n");
- return 1;
- }
+ if ((u32)cpu_addr % (tw_dev->tw_pci_dev->device == TW_DEVICE_ID ? TW_ALIGNMENT_6000 : TW_ALIGNMENT_7000)) {
+ printk(KERN_WARNING "3w-xxxx: Couldn't allocate correctly aligned memory.\n");
+ return 1;
+ }
- switch(which) {
- case 0:
- tw_dev->command_packet_virtual_address[request_id] = virt_addr;
- tw_dev->command_packet_physical_address[request_id] = virt_to_bus(virt_addr);
- break;
- case 1:
- tw_dev->alignment_virtual_address[request_id] = virt_addr;
- tw_dev->alignment_physical_address[request_id] = virt_to_bus(virt_addr);
- break;
- case 2:
- tw_dev->bounce_buffer[request_id] = virt_addr;
- break;
- default:
- printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
- return 1;
+ switch(which) {
+ case 0:
+ tw_dev->command_packet_virtual_address[i] = cpu_addr;
+ tw_dev->command_packet_physical_address[i] = dma_handle;
+ memset(tw_dev->command_packet_virtual_address[i], 0, size);
+ break;
+ case 1:
+ tw_dev->alignment_virtual_address[i] = cpu_addr;
+ tw_dev->alignment_physical_address[i] = dma_handle;
+ memset(tw_dev->alignment_virtual_address[i], 0, size);
+ break;
+ default:
+ printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
+ return 1;
+ }
}
+
return 0;
} /* End tw_allocate_memory() */
@@ -548,8 +570,10 @@
status_reg_addr = tw_dev->registers.status_reg_addr;
status_reg_value = inl(status_reg_addr);
- if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value))
+ if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value)) {
+ tw_decode_bits(tw_dev, status_reg_value);
return 1;
+ }
return 0;
} /* End tw_check_errors() */
@@ -614,37 +638,62 @@
dprintk(KERN_WARNING "3w-xxxx: tw_decode_bits()\n");
switch (status_reg_value & TW_STATUS_UNEXPECTED_BITS) {
case TW_STATUS_PCI_PARITY_ERROR:
- printk(KERN_WARNING "3w-xxxx: PCI Parity Error: Reseat card, move card, or buggy device on the bus.\n");
+ printk(KERN_WARNING "3w-xxxx: PCI Parity Error: clearing.\n");
outl(TW_CONTROL_CLEAR_PARITY_ERROR, tw_dev->registers.control_reg_addr);
- pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PARITY_ERRORS);
break;
case TW_STATUS_MICROCONTROLLER_ERROR:
printk(KERN_WARNING "3w-xxxx: Microcontroller Error.\n");
break;
+ case TW_STATUS_PCI_ABORT:
+ printk(KERN_WARNING "3w-xxxx: PCI Abort: clearing.\n");
+ outl(TW_CONTROL_CLEAR_PCI_ABORT, tw_dev->registers.control_reg_addr);
+ pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PCI_ABORT);
+ break;
}
} /* End tw_decode_bits() */
-/* This function will print readable messages from flags and status values */
-void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit)
+/* This function will return valid sense buffer information for failed cmds */
+void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense)
{
- dprintk(KERN_WARNING "3w-xxxx: tw_decode_error()\n");
- switch (status) {
- case 0xc7:
- switch (flags) {
- case 0x1b:
- printk(KERN_WARNING "3w-xxxx: scsi%d: Drive timeout on unit %d, check drive and drive cables.\n", tw_dev->host->host_no, unit);
- break;
- case 0x51:
- printk(KERN_WARNING "3w-xxxx: scsi%d: Unrecoverable drive error on unit %d, check/replace cabling, or possible bad drive.\n", tw_dev->host->host_no, unit);
- break;
- default:
- printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
+ int i, found=0;
+ TW_Command *command;
+
+ dprintk(KERN_WARNING "3w-xxxx: tw_decode_sense()\n");
+ command = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
+
+ printk(KERN_WARNING "3w-xxxx: scsi%d: Command failed: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, command->status, command->flags, command->byte3.unit);
+
+ /* Attempt to return intelligent sense information */
+ if (fill_sense) {
+ if ((command->status == 0xc7) || (command->status == 0xcb)) {
+ for (i=0;i<(sizeof(tw_sense_table)/sizeof(tw_sense_table[0]));i++) {
+ if (command->flags == tw_sense_table[i][0]) {
+ found=1;
+
+ /* Valid bit and 'current errors' */
+ tw_dev->srb[request_id]->sense_buffer[0] = (0x1 << 7 | 0x70);
+
+ /* Sense key */
+ tw_dev->srb[request_id]->sense_buffer[2] = tw_sense_table[i][1];
+
+ /* Additional sense length */
+ tw_dev->srb[request_id]->sense_buffer[7] = 0xa; /* 10 bytes */
+
+ /* Additional sense code */
+ tw_dev->srb[request_id]->sense_buffer[12] = tw_sense_table[i][2];
+
+ /* Additional sense code qualifier */
+ tw_dev->srb[request_id]->sense_buffer[13] = tw_sense_table[i][3];
+
+ tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
+ }
+ }
}
- break;
- default:
- printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
+ /* If no table match, error so we get a reset */
+ if (found == 0)
+ tw_dev->srb[request_id]->result = (DID_RESET << 16);
}
-} /* End tw_decode_error() */
+} /* End tw_decode_sense() */
/* This function will disable interrupts on the controller */
void tw_disable_interrupts(TW_Device_Extension *tw_dev)
@@ -691,11 +740,22 @@
u32 control_reg_value, control_reg_addr;
control_reg_addr = tw_dev->registers.control_reg_addr;
+ control_reg_value = (TW_CONTROL_ENABLE_INTERRUPTS |
+ TW_CONTROL_UNMASK_RESPONSE_INTERRUPT);
+ outl(control_reg_value, control_reg_addr);
+} /* End tw_enable_interrupts() */
+
+/* This function will enable interrupts on the controller */
+void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev)
+{
+ u32 control_reg_value, control_reg_addr;
+
+ control_reg_addr = tw_dev->registers.control_reg_addr;
control_reg_value = (TW_CONTROL_CLEAR_ATTENTION_INTERRUPT |
TW_CONTROL_UNMASK_RESPONSE_INTERRUPT |
TW_CONTROL_ENABLE_INTERRUPTS);
outl(control_reg_value, control_reg_addr);
-} /* End tw_enable_interrupts() */
+} /* End tw_enable_and_clear_interrupts() */
/* This function will find and initialize all cards */
int tw_findcards(Scsi_Host_Template *tw_host)
@@ -716,6 +776,13 @@
while ((tw_pci_dev = pci_find_device(TW_VENDOR_ID, device[i], tw_pci_dev))) {
if (pci_enable_device(tw_pci_dev))
continue;
+
+ /* We only need 32-bit addressing for 5,6,7xxx cards */
+ if (pci_set_dma_mask(tw_pci_dev, 0xffffffff)) {
+ printk(KERN_WARNING "3w-xxxx: No suitable DMA available.\n");
+ continue;
+ }
+
/* Prepare temporary device extension */
tw_dev=(TW_Device_Extension *)kmalloc(sizeof(TW_Device_Extension), GFP_ATOMIC);
if (tw_dev == NULL) {
@@ -724,6 +791,9 @@
}
memset(tw_dev, 0, sizeof(TW_Device_Extension));
+ /* Save pci_dev struct to device extension */
+ tw_dev->tw_pci_dev = tw_pci_dev;
+
error = tw_initialize_device_extension(tw_dev);
if (error) {
printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initialize device extension for card %d.\n", numcards);
@@ -738,8 +808,6 @@
tw_dev->registers.status_reg_addr = pci_resource_start(tw_pci_dev, 0) + 0x4;
tw_dev->registers.command_que_addr = pci_resource_start(tw_pci_dev, 0) + 0x8;
tw_dev->registers.response_que_addr = pci_resource_start(tw_pci_dev, 0) + 0xC;
- /* Save pci_dev struct to device extension */
- tw_dev->tw_pci_dev = tw_pci_dev;
/* Check for errors and clear them */
status_reg_value = inl(tw_dev->registers.status_reg_addr);
@@ -763,14 +831,14 @@
error = tw_aen_drain_queue(tw_dev);
if (error) {
- printk(KERN_WARNING "3w-xxxx: tw_findcards(): No attention interrupt for card %d.\n", numcards);
+ printk(KERN_WARNING "3w-xxxx: AEN drain failed for card %d.\n", numcards);
tries++;
continue;
}
/* Check for controller errors */
if (tw_check_errors(tw_dev)) {
- printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller errors found, soft resetting card %d.\n", numcards);
+ printk(KERN_WARNING "3w-xxxx: Controller errors found, retrying for card %d.\n", numcards);
tries++;
continue;
}
@@ -778,7 +846,7 @@
/* Empty the response queue */
error = tw_empty_response_que(tw_dev);
if (error) {
- printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't empty response queue for card %d.\n", numcards);
+ printk(KERN_WARNING "3w-xxxx: Couldn't empty response queue, retrying for card %d.\n", numcards);
tries++;
continue;
}
@@ -788,7 +856,7 @@
}
if (tries >= TW_MAX_RESET_TRIES) {
- printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller error or no attention interrupt: giving up for card %d.\n", numcards);
+ printk(KERN_WARNING "3w-xxxx: Controller errors, card not responding, check all cabling for card %d.\n", numcards);
tw_free_device_extension(tw_dev);
kfree(tw_dev);
continue;
@@ -818,7 +886,7 @@
error = tw_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS);
if (error) {
- printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initconnection for card %d.\n", numcards);
+ printk(KERN_WARNING "3w-xxxx: Connection initialization failed for card %d.\n", numcards);
release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
tw_free_device_extension(tw_dev);
kfree(tw_dev);
@@ -827,29 +895,28 @@
/* Calculate max cmds per lun, and setup queues */
if (tw_dev->num_units > 0) {
- if ((tw_dev->num_raid_five > 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
- tw_host->cmd_per_lun = (TW_MAX_BOUNCEBUF-1)/tw_dev->num_units;
- tw_dev->free_head = TW_Q_START;
- tw_dev->free_tail = TW_MAX_BOUNCEBUF - 1;
- tw_dev->free_wrap = TW_MAX_BOUNCEBUF - 1;
- } else {
- tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
- tw_dev->free_head = TW_Q_START;
- tw_dev->free_tail = TW_Q_LENGTH - 1;
- tw_dev->free_wrap = TW_Q_LENGTH - 1;
- }
+ tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
+ tw_dev->free_head = TW_Q_START;
+ tw_dev->free_tail = TW_Q_LENGTH - 1;
+ tw_dev->free_wrap = TW_Q_LENGTH - 1;
}
- /* Register the card with the kernel SCSI layer */
+ /* Register the card with the kernel SCSI layer */
host = scsi_register(tw_host, sizeof(TW_Device_Extension));
if (host == NULL) {
- printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards-1);
+ printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards);
release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
tw_free_device_extension(tw_dev);
kfree(tw_dev);
continue;
}
+ /* Set max target id's */
+ host->max_id = TW_MAX_UNITS;
+
+ /* Set max cdb size in bytes */
+ host->max_cmd_len = 16;
+
/* Set max sectors per io */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,7)
host->max_sectors = TW_MAX_SECTORS;
@@ -874,7 +941,7 @@
tw_device_extension_count = numcards;
tw_dev2->host = host;
} else {
- printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards-1);
+ printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards);
scsi_unregister(host);
release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
tw_free_device_extension(tw_dev);
@@ -924,15 +991,10 @@
/* Free command packet and generic buffer memory */
for (i=0;i<TW_Q_LENGTH;i++) {
if (tw_dev->command_packet_virtual_address[i])
- kfree(tw_dev->command_packet_virtual_address[i]);
+ pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->command_packet_virtual_address[i], tw_dev->command_packet_physical_address[i]);
if (tw_dev->alignment_virtual_address[i])
- kfree(tw_dev->alignment_virtual_address[i]);
-
- }
- for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
- if (tw_dev->bounce_buffer[i])
- kfree(tw_dev->bounce_buffer[i]);
+ pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->alignment_virtual_address[i], tw_dev->alignment_physical_address[i]);
}
} /* End tw_free_device_extension() */
@@ -1015,8 +1077,7 @@
}
if (command_packet->status != 0) {
/* bad response */
- dprintk(KERN_WARNING "3w-xxxx: tw_initconnection(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
- tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
+ tw_decode_sense(tw_dev, request_id, 0);
return 1;
}
break; /* Response was okay, so we exit */
@@ -1028,57 +1089,33 @@
/* This function will initialize the fields of a device extension */
int tw_initialize_device_extension(TW_Device_Extension *tw_dev)
{
- int i, imax;
+ int i, error=0;
dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_device_extension()\n");
- imax = TW_Q_LENGTH;
- for (i=0; i<imax; i++) {
- /* Initialize command packet buffers */
- tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 0);
- if (tw_dev->command_packet_virtual_address[i] == NULL) {
- printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad command packet virtual address.\n");
- return 1;
- }
- memset(tw_dev->command_packet_virtual_address[i], 0, sizeof(TW_Sector));
-
- /* Initialize generic buffer */
- tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 1);
- if (tw_dev->alignment_virtual_address[i] == NULL) {
- printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad alignment virtual address.\n");
- return 1;
- }
- memset(tw_dev->alignment_virtual_address[i], 0, sizeof(TW_Sector));
+ /* Initialize command packet buffers */
+ error = tw_allocate_memory(tw_dev, sizeof(TW_Command), 0);
+ if (error) {
+ printk(KERN_WARNING "3w-xxxx: Command packet memory allocation failed.\n");
+ return 1;
+ }
- tw_dev->free_queue[i] = i;
- tw_dev->state[i] = TW_S_INITIAL;
- tw_dev->ioctl_size[i] = 0;
- tw_dev->aen_queue[i] = 0;
+ /* Initialize generic buffer */
+ error = tw_allocate_memory(tw_dev, sizeof(TW_Sector), 1);
+ if (error) {
+ printk(KERN_WARNING "3w-xxxx: Generic memory allocation failed.\n");
+ return 1;
}
- for (i=0;i<TW_MAX_UNITS;i++) {
- tw_dev->is_unit_present[i] = 0;
- tw_dev->is_raid_five[i] = 0;
+ for (i=0;i<TW_Q_LENGTH;i++) {
+ tw_dev->free_queue[i] = i;
+ tw_dev->state[i] = TW_S_INITIAL;
}
- tw_dev->num_units = 0;
- tw_dev->num_aborts = 0;
- tw_dev->num_resets = 0;
- tw_dev->posted_request_count = 0;
- tw_dev->max_posted_request_count = 0;
- tw_dev->max_sgl_entries = 0;
- tw_dev->sgl_entries = 0;
- tw_dev->host = NULL;
tw_dev->pending_head = TW_Q_START;
tw_dev->pending_tail = TW_Q_START;
- tw_dev->aen_head = 0;
- tw_dev->aen_tail = 0;
- tw_dev->sector_count = 0;
- tw_dev->max_sector_count = 0;
- tw_dev->aen_count = 0;
- tw_dev->num_raid_five = 0;
spin_lock_init(&tw_dev->tw_lock);
- tw_dev->flags = 0;
+
return 0;
} /* End tw_initialize_device_extension() */
@@ -1089,14 +1126,13 @@
unsigned char request_id = 0;
TW_Command *command_packet;
TW_Param *param;
- int i, j, imax, num_units = 0, num_raid_five = 0;
+ int i, imax, num_units = 0;
u32 status_reg_addr, status_reg_value;
u32 command_que_addr, command_que_value;
u32 response_que_addr;
TW_Response_Queue response_queue;
u32 param_value;
unsigned char *is_unit_present;
- unsigned char *raid_level;
dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_units()\n");
@@ -1168,8 +1204,7 @@
}
if (command_packet->status != 0) {
/* bad response */
- dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
- tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
+ tw_decode_sense(tw_dev, request_id, 0);
return 1;
}
found = 1;
@@ -1205,109 +1240,6 @@
return 1;
}
- /* Find raid 5 arrays */
- for (j=0;j<TW_MAX_UNITS;j++) {
- if (tw_dev->is_unit_present[j] == 0)
- continue;
- command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
- if (command_packet == NULL) {
- printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet virtual address.\n");
- return 1;
- }
- memset(command_packet, 0, sizeof(TW_Sector));
- command_packet->byte0.opcode = TW_OP_GET_PARAM;
- command_packet->byte0.sgl_offset = 2;
- command_packet->size = 4;
- command_packet->request_id = request_id;
- command_packet->byte3.unit = 0;
- command_packet->byte3.host_id = 0;
- command_packet->status = 0;
- command_packet->flags = 0;
- command_packet->byte6.block_count = 1;
-
- /* Now setup the param */
- if (tw_dev->alignment_virtual_address[request_id] == NULL) {
- printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment virtual address.\n");
- return 1;
- }
- param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
- memset(param, 0, sizeof(TW_Sector));
- param->table_id = 0x300+j; /* unit summary table */
- param->parameter_id = 0x6; /* unit descriptor */
- param->parameter_size_bytes = 0xc;
- param_value = tw_dev->alignment_physical_address[request_id];
- if (param_value == 0) {
- printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment physical address.\n");
- return 1;
- }
-
- command_packet->byte8.param.sgl[0].address = param_value;
- command_packet->byte8.param.sgl[0].length = sizeof(TW_Sector);
-
- /* Post the command packet to the board */
- command_que_value = tw_dev->command_packet_physical_address[request_id];
- if (command_que_value == 0) {
- printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet physical address.\n");
- return 1;
- }
- outl(command_que_value, command_que_addr);
-
- /* Poll for completion */
- imax = TW_POLL_MAX_RETRIES;
- for(i=0; i<imax; i++) {
- mdelay(5);
- status_reg_value = inl(status_reg_addr);
- if (tw_check_bits(status_reg_value)) {
- dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected bits.\n");
- tw_decode_bits(tw_dev, status_reg_value);
- return 1;
- }
- if ((status_reg_value & TW_STATUS_RESPONSE_QUEUE_EMPTY) == 0) {
- response_queue.value = inl(response_que_addr);
- request_id = (unsigned char)response_queue.u.response_id;
- if (request_id != 0) {
- /* unexpected request id */
- printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected request id.\n");
- return 1;
- }
- if (command_packet->status != 0) {
- /* bad response */
- dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
- tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
- return 1;
- }
- found = 1;
- break;
- }
- }
- if (found == 0) {
- /* response never received */
- printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): No response.\n");
- return 1;
- }
-
- param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
- raid_level = (unsigned char *)&(param->data[1]);
- if (*raid_level == 5) {
- dprintk(KERN_WARNING "3w-xxxx: Found unit %d to be a raid5 unit.\n", j);
- tw_dev->is_raid_five[j] = 1;
- num_raid_five++;
- }
- }
- tw_dev->num_raid_five = num_raid_five;
-
- /* Now allocate raid5 bounce buffers */
- if ((num_raid_five != 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
- for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
- tw_allocate_memory(tw_dev, i, sizeof(TW_Sector)*TW_MAX_SECTORS, 2);
- if (tw_dev->bounce_buffer[i] == NULL) {
- printk(KERN_WARNING "3w-xxxx: Bounce buffer allocation failed.\n");
- return 1;
- }
- memset(tw_dev->bounce_buffer[i], 0, sizeof(TW_Sector)*TW_MAX_SECTORS);
- }
- }
-
return 0;
} /* End tw_initialize_units() */
@@ -1332,13 +1264,18 @@
if (tw_dev->tw_pci_dev->irq == irq) {
spin_lock(&tw_dev->tw_lock);
- dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt()\n");
+ dprintk(KERN_WARNING "3w-xxxx: tw_interrupt()\n");
/* Read the registers */
status_reg_addr = tw_dev->registers.status_reg_addr;
response_que_addr = tw_dev->registers.response_que_addr;
status_reg_value = inl(status_reg_addr);
+ if (tw_check_bits(status_reg_value)) {
+ dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
+ tw_decode_bits(tw_dev, status_reg_value);
+ }
+
/* Check which interrupt */
if (status_reg_value & TW_STATUS_HOST_INTERRUPT)
do_host_interrupt=1;
@@ -1403,17 +1340,18 @@
command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
error = 0;
if (command_packet->status != 0) {
- dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Bad response, status = 0x%x, flags = 0x%x, unit = 0x%x.\n", command_packet->status, command_packet->flags, command_packet->byte3.unit);
- tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
- error = 1;
+ /* Bad response */
+ if (tw_dev->srb[request_id] != 0)
+ tw_decode_sense(tw_dev, request_id, 1);
+ error = 3;
}
if (tw_dev->state[request_id] != TW_S_POSTED) {
printk(KERN_WARNING "3w-xxxx: scsi%d: Received a request id (%d) (opcode = 0x%x) that wasn't posted.\n", tw_dev->host->host_no, request_id, command_packet->byte0.opcode);
error = 1;
}
if (TW_STATUS_ERRORS(status_reg_value)) {
- tw_decode_bits(tw_dev, status_reg_value);
- error = 1;
+ tw_decode_bits(tw_dev, status_reg_value);
+ error = 1;
}
dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt(): Response queue request id: %d.\n", request_id);
/* Check for internal command */
@@ -1428,7 +1366,7 @@
dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
tw_decode_bits(tw_dev, status_reg_value);
}
- } else {
+ } else {
switch (tw_dev->srb[request_id]->cmnd[0]) {
case READ_10:
case READ_6:
@@ -1455,18 +1393,23 @@
tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);
tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
}
- if (error) {
+ if (error == 1) {
/* Tell scsi layer there was an error */
dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Scsi Error.\n");
tw_dev->srb[request_id]->result = (DID_RESET << 16);
- } else {
+ }
+ if (error == 0) {
/* Tell scsi layer command was a success */
tw_dev->srb[request_id]->result = (DID_OK << 16);
}
- tw_dev->state[request_id] = TW_S_COMPLETED;
- tw_state_request_finish(tw_dev, request_id);
- tw_dev->posted_request_count--;
- tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
+ if (error != 2) {
+ tw_dev->state[request_id] = TW_S_COMPLETED;
+ tw_state_request_finish(tw_dev, request_id);
+ tw_dev->posted_request_count--;
+ tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
+
+ tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
+ }
status_reg_value = inl(status_reg_addr);
if (tw_check_bits(status_reg_value)) {
dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
@@ -1479,19 +1422,22 @@
}
spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
clear_bit(TW_IN_INTR, &tw_dev->flags);
-} /* End tw_interrupt() */
+} /* End tw_interrupt() */
/* This function handles ioctls from userspace to the driver */
int tw_ioctl(TW_Device_Extension *tw_dev, int request_id)
{
unsigned char opcode;
- int bufflen;
+ int bufflen, error = 0;
TW_Param *param;
- TW_Command *command_packet;
+ TW_Command *command_packet, *command_save;
u32 param_value;
TW_Ioctl *ioctl = NULL;
TW_Passthru *passthru = NULL;
- int tw_aen_code;
+ int tw_aen_code, i, use_sg;
+ char *data_ptr;
+ int total_bytes = 0;
+ dma_addr_t dma_handle;
ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
if (ioctl == NULL) {
@@ -1598,7 +1544,7 @@
printk(KERN_WARNING "3w-xxxx: tw_ioctl(): Passthru size (%ld) too big.\n", passthru->sg_list[0].length);
return 1;
}
- passthru->sg_list[0].address = virt_to_bus(tw_dev->alignment_virtual_address[request_id]);
+ passthru->sg_list[0].address = tw_dev->alignment_physical_address[request_id];
tw_post_command_packet(tw_dev, request_id);
return 0;
case TW_CMD_PACKET:
@@ -1612,6 +1558,161 @@
printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
return 1;
}
+ case TW_CMD_PACKET_WITH_DATA:
+ dprintk(KERN_WARNING "3w-xxxx: tw_ioctl(): caught TW_CMD_PACKET_WITH_DATA.\n");
+ command_save = (TW_Command *)tw_dev->alignment_virtual_address[request_id];
+ if (command_save == NULL) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad alignment virtual address.\n", tw_dev->host->host_no);
+ return 1;
+ }
+ if (ioctl->data != NULL) {
+ /* Copy down the command packet */
+ memcpy(command_packet, ioctl->data, sizeof(TW_Command));
+ memcpy(command_save, ioctl->data, sizeof(TW_Command));
+ command_packet->request_id = request_id;
+
+ /* Now deal with the two possible sglists */
+ if (command_packet->byte0.sgl_offset == 2) {
+ use_sg = command_packet->size - 3;
+ for (i=0;i<use_sg;i++)
+ total_bytes+=command_packet->byte8.param.sgl[i].length;
+ tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
+
+ if (!tw_dev->ioctl_data[request_id]) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): kmalloc failed for request_id %d.\n", tw_dev->host->host_no, request_id);
+ return 1;
+ }
+
+ /* Copy param sglist into the kernel */
+ data_ptr = tw_dev->ioctl_data[request_id];
+ for (i=0;i<use_sg;i++) {
+ if ((u32 *)command_packet->byte8.param.sgl[i].address != NULL) {
+ error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.param.sgl[i].address, command_packet->byte8.param.sgl[i].length);
+ if (error) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist from userspace.\n", tw_dev->host->host_no);
+ goto tw_ioctl_bail;
+ }
+ } else {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
+ tw_dev->srb[request_id]->result = (DID_RESET << 16);
+ goto tw_ioctl_bail;
+ }
+ data_ptr+=command_packet->byte8.param.sgl[i].length;
+ }
+ command_packet->size = 4;
+ command_packet->byte8.param.sgl[0].address = dma_handle;
+ command_packet->byte8.param.sgl[0].length = total_bytes;
+ }
+ if (command_packet->byte0.sgl_offset == 3) {
+ use_sg = command_packet->size - 4;
+ for (i=0;i<use_sg;i++)
+ total_bytes+=command_packet->byte8.io.sgl[i].length;
+ tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
+
+ if (!tw_dev->ioctl_data[request_id]) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): pci_alloc_consistent() failed for request_id %d.\n", tw_dev->host->host_no, request_id);
+ return 1;
+ }
+ if (command_packet->byte0.opcode == TW_OP_WRITE) {
+ /* Copy io sglist into the kernel */
+ data_ptr = tw_dev->ioctl_data[request_id];
+ for (i=0;i<use_sg;i++) {
+ if ((u32 *)command_packet->byte8.io.sgl[i].address != NULL) {
+ error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.io.sgl[i].address, command_packet->byte8.io.sgl[i].length);
+ if (error) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist from userspace.\n", tw_dev->host->host_no);
+ goto tw_ioctl_bail;
+ }
+ } else {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
+ tw_dev->srb[request_id]->result = (DID_RESET << 16);
+ goto tw_ioctl_bail;
+ }
+ data_ptr+=command_packet->byte8.io.sgl[i].length;
+ }
+ }
+ command_packet->size = 5;
+ command_packet->byte8.io.sgl[0].address = dma_handle;
+ command_packet->byte8.io.sgl[0].length = total_bytes;
+ }
+
+ spin_unlock_irq(tw_dev->host->host_lock);
+ spin_unlock_irq(&tw_dev->tw_lock);
+
+ /* Finally post the command packet */
+ tw_post_command_packet(tw_dev, request_id);
+
+ mdelay(TW_IOCTL_WAIT_TIME);
+ spin_lock_irq(&tw_dev->tw_lock);
+ spin_lock_irq(tw_dev->host->host_lock);
+
+ if (signal_pending(current)) {
+ dprintk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Signal pending, aborting ioctl().\n", tw_dev->host->host_no);
+ tw_dev->srb[request_id]->result = (DID_OK << 16);
+ goto tw_ioctl_bail;
+ }
+
+ tw_dev->srb[request_id]->result = (DID_OK << 16);
+ /* Now copy up the param or io sglist to userspace */
+ if (command_packet->byte0.sgl_offset == 2) {
+ use_sg = command_save->size - 3;
+ data_ptr = phys_to_virt(command_packet->byte8.param.sgl[0].address);
+ for (i=0;i<use_sg;i++) {
+ if ((u32 *)command_save->byte8.param.sgl[i].address != NULL) {
+ error = copy_to_user((u32 *)command_save->byte8.param.sgl[i].address, data_ptr, command_save->byte8.param.sgl[i].length);
+ if (error) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist to userspace.\n", tw_dev->host->host_no);
+ goto tw_ioctl_bail;
+ }
+ dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.param.sgl[i].length, current->pid);
+ data_ptr+=command_save->byte8.param.sgl[i].length;
+ } else {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
+ tw_dev->srb[request_id]->result = (DID_RESET << 16);
+ goto tw_ioctl_bail;
+ }
+ }
+ }
+ if (command_packet->byte0.sgl_offset == 3) {
+ use_sg = command_save->size - 4;
+ if (command_packet->byte0.opcode == TW_OP_READ) {
+ data_ptr = phys_to_virt(command_packet->byte8.io.sgl[0].address);
+ for(i=0;i<use_sg;i++) {
+ if ((u32 *)command_save->byte8.io.sgl[i].address != NULL) {
+ error = copy_to_user((u32 *)command_save->byte8.io.sgl[i].address, data_ptr, command_save->byte8.io.sgl[i].length);
+ if (error) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist to userspace.\n", tw_dev->host->host_no);
+ goto tw_ioctl_bail;
+ }
+ dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.io.sgl[i].length, current->pid);
+ data_ptr+=command_save->byte8.io.sgl[i].length;
+ } else {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
+ tw_dev->srb[request_id]->result = (DID_RESET << 16);
+ goto tw_ioctl_bail;
+ }
+ }
+ }
+ }
+
+ tw_ioctl_bail:
+
+ /* Free up sglist memory */
+ if (tw_dev->ioctl_data[request_id])
+ pci_free_consistent(tw_dev->tw_pci_dev, total_bytes, tw_dev->ioctl_data[request_id], dma_handle);
+ else
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Error freeing ioctl data.\n", tw_dev->host->host_no);
+
+ /* Now complete the io */
+ tw_dev->state[request_id] = TW_S_COMPLETED;
+ tw_state_request_finish(tw_dev, request_id);
+ tw_dev->posted_request_count--;
+ tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
+ return 0;
+ } else {
+ printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
+ return 1;
+ }
default:
printk(KERN_WARNING "3w-xxxx: Unknown ioctl 0x%x.\n", opcode);
tw_dev->state[request_id] = TW_S_COMPLETED;
@@ -1655,6 +1756,7 @@
TW_Param *param;
TW_Ioctl *ioctl = NULL;
TW_Passthru *passthru = NULL;
+ TW_Command *command_packet;
ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete()\n");
@@ -1663,6 +1765,13 @@
printk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): Request buffer NULL.\n");
return 1;
}
+
+ command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
+ if (command_packet == NULL) {
+ printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl_complete(): Bad command packet virtual address.\n", tw_dev->host->host_no);
+ return 1;
+ }
+
dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete(): Request_bufflen = %d\n", tw_dev->srb[request_id]->request_bufflen);
ioctl = (TW_Ioctl *)buff;
@@ -1671,6 +1780,9 @@
passthru = (TW_Passthru *)ioctl->data;
memcpy(buff, tw_dev->alignment_virtual_address[request_id], passthru->sector_count * 512);
break;
+ case TW_CMD_PACKET_WITH_DATA:
+ dprintk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): caught TW_CMD_PACKET_WITH_DATA.\n");
+ return 2; /* Special case for isr to not complete io */
default:
memset(buff, 0, tw_dev->srb[request_id]->request_bufflen);
param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
@@ -1684,6 +1796,40 @@
return 0;
} /* End tw_ioctl_complete() */
+static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
+{
+ int use_sg;
+ int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
+
+ dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_sg_data()\n");
+
+ if (cmd->use_sg == 0)
+ return 0;
+
+ use_sg = pci_map_sg(pdev, cmd->buffer, cmd->use_sg, dma_dir);
+ cmd->SCp.phase = 2;
+ cmd->SCp.have_data_in = use_sg;
+
+ return use_sg;
+} /* End tw_map_scsi_sg_data() */
+
+static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
+{
+ dma_addr_t mapping;
+ int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
+
+ dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_single_data()\n");
+
+ if (cmd->request_bufflen == 0)
+ return 0;
+
+ mapping = pci_map_single(pdev, cmd->request_buffer, cmd->request_bufflen, dma_dir);
+ cmd->SCp.phase = 2;
+ cmd->SCp.have_data_in = mapping;
+
+ return mapping;
+} /* End tw_map_scsi_single_data() */
+
/* This function will mask the command interrupt */
void tw_mask_command_interrupt(TW_Device_Extension *tw_dev)
{
@@ -1704,14 +1850,25 @@
do_gettimeofday(&before);
status_reg_value = inl(status_reg_addr);
+ if (tw_check_bits(status_reg_value)) {
+ dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
+ tw_decode_bits(tw_dev, status_reg_value);
+ }
+
while ((status_reg_value & flag) != flag) {
status_reg_value = inl(status_reg_addr);
+
+ if (tw_check_bits(status_reg_value)) {
+ dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
+ tw_decode_bits(tw_dev, status_reg_value);
+ }
+
do_gettimeofday(&timeout);
if (before.tv_sec + seconds < timeout.tv_sec) {
dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Flag 0x%x not found.\n", flag);
return 1;
}
- mdelay(1);
+ mdelay(5);
}
return 0;
} /* End tw_poll_status() */
@@ -1787,6 +1944,7 @@
srb = tw_dev->srb[i];
srb->result = (DID_RESET << 16);
tw_dev->srb[i]->scsi_done(tw_dev->srb[i]);
+ tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[i]);
}
}
}
@@ -1821,7 +1979,7 @@
error = tw_aen_drain_queue(tw_dev);
if (error) {
- printk(KERN_WARNING "3w-xxxx: scsi%d: Card not responding, retrying.\n", tw_dev->host->host_no);
+ printk(KERN_WARNING "3w-xxxx: scsi%d: AEN drain failed, retrying.\n", tw_dev->host->host_no);
tries++;
continue;
}
@@ -1857,7 +2015,7 @@
}
/* Re-enable interrupts */
- tw_enable_interrupts(tw_dev);
+ tw_enable_and_clear_interrupts(tw_dev);
return 0;
} /* End tw_reset_sequence() */
@@ -2381,6 +2539,9 @@
capacity = (param_data[3] << 24) | (param_data[2] << 16) |
(param_data[1] << 8) | param_data[0];
+ /* Subtract one sector to fix get last sector ioctl */
+ capacity -= 1;
+
dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity_complete(): Capacity = 0x%x.\n", capacity);
/* Number of LBA's */
@@ -2403,8 +2564,8 @@
{
TW_Command *command_packet;
u32 command_que_addr, command_que_value = 0;
- u32 lba = 0x0, num_sectors = 0x0;
- int i, count = 0;
+ u32 lba = 0x0, num_sectors = 0x0, buffaddr = 0x0;
+ int i, use_sg;
Scsi_Cmnd *srb;
struct scatterlist *sglist;
@@ -2461,45 +2622,25 @@
command_packet->byte8.io.lba = lba;
command_packet->byte6.block_count = num_sectors;
- if ((tw_dev->is_raid_five[tw_dev->srb[request_id]->target] == 0) || (srb->cmnd[0] == READ_6) || (srb->cmnd[0] == READ_10) || (tw_dev->tw_pci_dev->device == TW_DEVICE_ID2)) {
- /* Do this if there are no sg list entries */
- if (tw_dev->srb[request_id]->use_sg == 0) {
- dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
- command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->srb[request_id]->request_buffer);
- command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
- }
-
- /* Do this if we have multiple sg list entries */
- if (tw_dev->srb[request_id]->use_sg > 0) {
- for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
- command_packet->byte8.io.sgl[i].address = virt_to_bus(sglist[i].address);
- command_packet->byte8.io.sgl[i].length = sglist[i].length;
- command_packet->size+=2;
- }
- if (tw_dev->srb[request_id]->use_sg >= 1)
- command_packet->size-=2;
+ /* Do this if there are no sg list entries */
+ if (tw_dev->srb[request_id]->use_sg == 0) {
+ dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
+ buffaddr = tw_map_scsi_single_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
+ command_packet->byte8.io.sgl[0].address = buffaddr;
+ command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
+ }
+
+ /* Do this if we have multiple sg list entries */
+ if (tw_dev->srb[request_id]->use_sg > 0) {
+ use_sg = tw_map_scsi_sg_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);;
+ for (i=0;i<use_sg; i++) {
+ command_packet->byte8.io.sgl[i].address = sg_dma_address(&sglist[i]);
+ command_packet->byte8.io.sgl[i].length = sg_dma_len(&sglist[i]);
+ command_packet->size+=2;
}
- } else {
- /* Do this if there are no sg list entries for raid 5 */
- if (tw_dev->srb[request_id]->use_sg == 0) {
- dprintk(KERN_WARNING "doing raid 5 write use_sg = 0, bounce_buffer[%d] = 0x%p\n", request_id, tw_dev->bounce_buffer[request_id]);
- memcpy(tw_dev->bounce_buffer[request_id], tw_dev->srb[request_id]->request_buffer, tw_dev->srb[request_id]->request_bufflen);
- command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
- command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
- }
-
- /* Do this if we have multiple sg list entries for raid 5 */
- if (tw_dev->srb[request_id]->use_sg > 0) {
- dprintk(KERN_WARNING "doing raid 5 write use_sg = %d, sglist[0].length = %d\n", tw_dev->srb[request_id]->use_sg, sglist[0].length);
- for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
- memcpy((char *)(tw_dev->bounce_buffer[request_id])+count, sglist[i].address, sglist[i].length);
- count+=sglist[i].length;
- }
- command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
- command_packet->byte8.io.sgl[0].length = count;
- command_packet->size = 5; /* single sgl */
- }
- }
+ if (tw_dev->srb[request_id]->use_sg >= 1)
+ command_packet->size-=2;
+ }
/* Update SG statistics */
tw_dev->sgl_entries = tw_dev->srb[request_id]->use_sg;
@@ -2521,18 +2662,18 @@
/* This function will handle the request sense scsi command */
int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id)
{
- dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
-
- /* For now we just zero the sense buffer */
- memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
- tw_dev->state[request_id] = TW_S_COMPLETED;
- tw_state_request_finish(tw_dev, request_id);
-
- /* If we got a request_sense, we probably want a reset, return error */
- tw_dev->srb[request_id]->result = (DID_ERROR << 16);
- tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
-
- return 0;
+ dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
+
+ /* For now we just zero the request buffer */
+ memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
+ tw_dev->state[request_id] = TW_S_COMPLETED;
+ tw_state_request_finish(tw_dev, request_id);
+
+ /* If we got a request_sense, we probably want a reset, return error */
+ tw_dev->srb[request_id]->result = (DID_ERROR << 16);
+ tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
+
+ return 0;
} /* End tw_scsiop_request_sense() */
/* This function will handle test unit ready scsi command */
@@ -2626,8 +2767,7 @@
}
if (command_packet->status != 0) {
/* bad response */
- dprintk(KERN_WARNING "3w-xxxx: tw_setfeature(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
- tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
+ tw_decode_sense(tw_dev, request_id, 0);
return 1;
}
break; /* Response was okay, so we exit */
@@ -2671,7 +2811,7 @@
}
/* Re-enable interrupts */
- tw_enable_interrupts(tw_dev);
+ tw_enable_and_clear_interrupts(tw_dev);
return 0;
} /* End tw_shutdown_device() */
@@ -2719,7 +2859,7 @@
int id = 0;
dprintk(KERN_NOTICE "3w-xxxx: tw_state_request_start()\n");
-
+
/* Obtain next free request_id */
do {
if (tw_dev->free_head == tw_dev->free_wrap) {
@@ -2738,6 +2878,19 @@
return 0;
} /* End tw_state_request_start() */
+static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
+{
+ int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
+
+ dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
+
+ if (cmd->use_sg) {
+ pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, dma_dir);
+ } else {
+ pci_unmap_single(pdev, cmd->SCp.have_data_in, cmd->request_bufflen, dma_dir);
+ }
+} /* End tw_unmap_scsi_data() */
+
/* This function will unmask the command interrupt on the controller */
void tw_unmask_command_interrupt(TW_Device_Extension *tw_dev)
{
@@ -2749,7 +2902,6 @@
} /* End tw_unmask_command_interrupt() */
/* Now get things going */
-
static Scsi_Host_Template driver_template = TWXXXX;
#include "scsi_module.c"
diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h
--- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h Tue Feb 19 18:10:58 2002
+++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h Wed Feb 27 11:53:52 2002
@@ -6,7 +6,7 @@
Arnaldo Carvalho de Melo <[email protected]>
Brad Strand <[email protected]>
- Copyright (C) 1999-2001 3ware Inc.
+ Copyright (C) 1999-2002 3ware Inc.
Kernel compatablity By: Andre Hedrick <[email protected]>
Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
@@ -62,7 +62,7 @@
static char *tw_aen_string[] = {
"AEN queue empty", // 0x000
"Soft reset occurred", // 0x001
- "Mirorr degraded: Unit #", // 0x002
+ "Unit degraded: Unit #", // 0x002
"Controller error", // 0x003
"Rebuild failed: Unit #", // 0x004
"Rebuild complete: Unit #", // 0x005
@@ -90,10 +90,36 @@
"DCB unsupported version: Port #", // 0x028
"Verify started: Unit #", // 0x029
"Verify failed: Port #", // 0x02A
- "Verify complete: Unit #" // 0x02B
+ "Verify complete: Unit #", // 0x02B
+ "Overwrote bad sector during rebuild: Port #", //0x2C
+ "Encountered bad sector during rebuild: Port #" //0x2D
};
-#define TW_AEN_STRING_MAX 0x02C
+#define TW_AEN_STRING_MAX 0x02E
+
+/*
+ Sense key lookup table
+ Format: ESDC/flags,SenseKey,AdditionalSenseCode,AdditionalSenseCodeQualifier
+*/
+static unsigned char tw_sense_table[][4] =
+{
+ /* Codes for newer firmware */
+ // ATA Error SCSI Error
+ {0x01, 0x03, 0x13, 0x00}, // Address mark not found Address mark not found for data field
+ {0x04, 0x0b, 0x00, 0x00}, // Aborted command Aborted command
+ {0x10, 0x0b, 0x14, 0x00}, // ID not found Recorded entity not found
+ {0x40, 0x03, 0x11, 0x00}, // Uncorrectable ECC error Unrecovered read error
+ {0x61, 0x04, 0x00, 0x00}, // Device fault Hardware error
+ {0x84, 0x0b, 0x47, 0x00}, // Data CRC error SCSI parity error
+ {0xd0, 0x0b, 0x00, 0x00}, // Device busy Aborted command
+ {0xd1, 0x0b, 0x00, 0x00}, // Device busy Aborted command
+
+ /* Codes for older firmware */
+ // 3ware Error SCSI Error
+ {0x09, 0x0b, 0x00, 0x00}, // Unrecovered disk error Aborted command
+ {0x37, 0x0b, 0x04, 0x00}, // Unit offline Logical unit not ready
+ {0x51, 0x0b, 0x00, 0x00} // Unspecified Aborted command
+};
/* Control register bit definitions */
#define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000
@@ -108,6 +134,7 @@
#define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040
#define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
#define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000
+#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000
/* Status register bit definitions */
#define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000
@@ -140,6 +167,7 @@
#define TW_DEVICE_ID2 (0x1001) /* 7000 series controller */
#define TW_NUMDEVICES 2
#define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
+#define TW_PCI_CLEAR_PCI_ABORT 0x2000
/* Command packet opcodes */
#define TW_OP_NOP 0x0
@@ -153,6 +181,7 @@
#define TW_OP_AEN_LISTEN 0x1c
#define TW_CMD_PACKET 0x1d
#define TW_ATA_PASSTHRU 0x1e
+#define TW_CMD_PACKET_WITH_DATA 0x1f
/* Asynchronous Event Notification (AEN) Codes */
#define TW_AEN_QUEUE_EMPTY 0x0000
@@ -169,7 +198,8 @@
#define TW_AEN_SBUF_FAIL 0x0024
/* Misc defines */
-#define TW_ALIGNMENT 0x200 /* 16 D-WORDS */
+#define TW_ALIGNMENT_6000 64 /* 64 bytes */
+#define TW_ALIGNMENT_7000 4 /* 4 bytes */
#define TW_MAX_UNITS 16
#define TW_COMMAND_ALIGNMENT_MASK 0x1ff
#define TW_INIT_MESSAGE_CREDITS 0x100
@@ -179,7 +209,6 @@
#define TW_ATA_PASS_SGL_MAX 60
#define TW_MAX_PASSTHRU_BYTES 4096
#define TW_Q_LENGTH 256
-#define TW_MAX_BOUNCEBUF 16
#define TW_Q_START 0
#define TW_MAX_SLOT 32
#define TW_MAX_PCI_BUSES 255
@@ -191,12 +220,9 @@
#define TW_MAX_AEN_TRIES 100
#define TW_UNIT_ONLINE 1
#define TW_IN_INTR 1
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,7)
#define TW_MAX_SECTORS 256
-#else
-#define TW_MAX_SECTORS 128
-#endif
#define TW_AEN_WAIT_TIME 1000
+#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
/* Macros */
#define TW_STATUS_ERRORS(x) \
@@ -262,7 +288,6 @@
} TW_Command;
typedef struct TAG_TW_Ioctl {
- int buffer;
unsigned char opcode;
unsigned short table_id;
unsigned char parameter_id;
@@ -345,11 +370,8 @@
TW_Registers registers;
u32 *alignment_virtual_address[TW_Q_LENGTH];
u32 alignment_physical_address[TW_Q_LENGTH];
- u32 *bounce_buffer[TW_Q_LENGTH];
int is_unit_present[TW_MAX_UNITS];
- int is_raid_five[TW_MAX_UNITS];
int num_units;
- int num_raid_five;
u32 *command_packet_virtual_address[TW_Q_LENGTH];
u32 command_packet_physical_address[TW_Q_LENGTH];
struct pci_dev *tw_pci_dev;
@@ -381,22 +403,24 @@
unsigned char aen_head;
unsigned char aen_tail;
long flags; /* long req'd for set_bit --RR */
+ char *ioctl_data[TW_Q_LENGTH];
} TW_Device_Extension;
/* Function prototypes */
int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id);
int tw_aen_drain_queue(TW_Device_Extension *tw_dev);
int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
-int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which);
+int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which);
int tw_check_bits(u32 status_reg_value);
int tw_check_errors(TW_Device_Extension *tw_dev);
void tw_clear_attention_interrupt(TW_Device_Extension *tw_dev);
void tw_clear_host_interrupt(TW_Device_Extension *tw_dev);
void tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value);
-void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit);
+void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense);
void tw_disable_interrupts(TW_Device_Extension *tw_dev);
int tw_empty_response_que(TW_Device_Extension *tw_dev);
void tw_enable_interrupts(TW_Device_Extension *tw_dev);
+void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev);
int tw_findcards(Scsi_Host_Template *tw_host);
void tw_free_device_extension(TW_Device_Extension *tw_dev);
int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits);
Adam,
Any ideas on the problem I reported earlier? Does this patch
correct the problems we are seeing with your cards?
Jeff
On Wed, Feb 27, 2002 at 02:45:04PM -0700, [email protected] wrote:
> Alan,
>
> Please apply this patch for kernel 2.5.6-pre2 for the 3ware driver to
> support the new DMA mapping code, and several other fixes.
>
> Thanks.
>
> --
> Adam Radford
> Software Engineer
> 3ware, Inc.
>
> diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c
> --- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c Tue Feb 19 18:11:00 2002
> +++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c Wed Feb 27 11:53:49 2002
> @@ -6,7 +6,7 @@
> Arnaldo Carvalho de Melo <[email protected]>
> Brad Strand <[email protected]>
>
> - Copyright (C) 1999-2001 3ware Inc.
> + Copyright (C) 1999-2002 3ware Inc.
>
> Kernel compatablity By: Andre Hedrick <[email protected]>
> Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
> @@ -106,17 +106,41 @@
> Add entire aen code string list.
> 1.02.00.010 - Cleanup queueing code, fix jbod thoughput.
> Fix get_param for specific units.
> + 1.02.00.011 - Fix bug in tw_aen_complete() where aen's could be lost.
> + Fix tw_aen_drain_queue() to display useful info at init.
> + Set tw_host->max_id for 12 port cards.
> + Add ioctl support for raw command packet post from userspace
> + with sglist fragments (parameter and io).
> + 1.02.00.012 - Fix read capacity to under report by 1 sector to fix get
> + last sector ioctl.
> + 1.02.00.013 - Fix bug where more AEN codes weren't coming out during
> + driver initialization.
> + Improved handling of PCI aborts.
> + 1.02.00.014 - Fix bug in tw_findcards() where AEN code could be lost.
> + Increase timeout in tw_aen_drain_queue() to 30 seconds.
> + 1.02.00.015 - Re-write raw command post with data ioctl method.
> + Remove raid5 bounce buffers for raid5 for 6XXX for kernel 2.5
> + Add tw_map/unmap_scsi_sg/single_data() for kernel 2.5
> + Replace io_request_lock with host_lock for kernel 2.5
> + Set max_cmd_len to 16 for 3dm for kernel 2.5
> + 1.02.00.016 - Set host->max_sectors back up to 256.
> + 1.02.00.017 - Modified pci parity error handling/clearing from config space
> + during initialization.
> + 1.02.00.018 - Better handling of request sense opcode and sense information
> + for failed commands. Add tw_decode_sense().
> + Replace all mdelay()'s with scsi_sleep().
> + 1.02.00.019 - Revert mdelay's and scsi_sleep's, this caused problems on
> + some SMP systems.
> + 1.02.00.020 - Add pci_set_dma_mask(), rewrite kmalloc()/virt_to_bus() to
> + pci_alloc/free_consistent().
> */
>
> -#error Please convert me to Documentation/DMA-mapping.txt
> -
> #include <linux/module.h>
>
> MODULE_AUTHOR ("3ware Inc.");
> MODULE_DESCRIPTION ("3ware Storage Controller Linux Driver");
> MODULE_LICENSE("GPL");
>
> -
> #include <linux/kernel.h>
> #include <linux/pci.h>
> #include <linux/time.h>
> @@ -148,14 +172,17 @@
> static void tw_copy_mem_info(TW_Info *info, char *data, int len);
> static void tw_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
> static int tw_halt(struct notifier_block *nb, ulong event, void *buf);
> +static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
> +static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
> +static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
>
> /* Notifier block to get a notify on system shutdown/halt/reboot */
> static struct notifier_block tw_notifier = {
> - tw_halt, NULL, 0
> + tw_halt, NULL, 0
> };
>
> /* Globals */
> -char *tw_driver_version="1.02.00.010";
> +char *tw_driver_version="1.02.00.020";
> TW_Device_Extension *tw_device_extension_list[TW_MAX_SLOT];
> int tw_device_extension_count = 0;
>
> @@ -166,6 +193,7 @@
> {
> TW_Param *param;
> unsigned short aen;
> + int error = 0;
>
> dprintk(KERN_WARNING "3w-xxxx: tw_aen_complete()\n");
> if (tw_dev->alignment_virtual_address[request_id] == NULL) {
> @@ -184,12 +212,15 @@
> if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
> printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s%d.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff], aen >> 8);
> } else {
> - printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
> + if (aen != 0x0)
> + printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
> }
> - } else
> + } else {
> printk(KERN_WARNING "3w-xxxx: scsi%d: Received AEN %d.\n", tw_dev->host->host_no, aen);
> + }
> }
> - tw_dev->aen_count++;
> + if (aen != 0x0)
> + tw_dev->aen_count++;
>
> /* Now queue the code */
> tw_dev->aen_queue[tw_dev->aen_tail] = aen;
> @@ -205,8 +236,18 @@
> tw_dev->aen_head = tw_dev->aen_head + 1;
> }
> }
> - tw_dev->state[request_id] = TW_S_COMPLETED;
> - tw_state_request_finish(tw_dev, request_id);
> +
> + if (aen != TW_AEN_QUEUE_EMPTY) {
> + error = tw_aen_read_queue(tw_dev, request_id);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing AEN.\n", tw_dev->host->host_no);
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + }
> + } else {
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + }
>
> return 0;
> } /* End tw_aen_complete() */
> @@ -237,10 +278,11 @@
> status_reg_addr = tw_dev->registers.status_reg_addr;
> response_que_addr = tw_dev->registers.response_que_addr;
>
> - if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 15)) {
> + if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 30)) {
> dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): No attention interrupt for card %d.\n", tw_device_extension_count);
> return 1;
> }
> + tw_clear_attention_interrupt(tw_dev);
>
> /* Initialize command packet */
> if (tw_dev->command_packet_virtual_address[request_id] == NULL) {
> @@ -288,7 +330,7 @@
> do {
> /* Post command packet */
> outl(command_que_value, command_que_addr);
> -
> +
> /* Now poll for completion */
> for (i=0;i<imax;i++) {
> mdelay(5);
> @@ -311,8 +353,7 @@
> if (command_packet->status != 0) {
> if (command_packet->flags != TW_AEN_TABLE_UNDEFINED) {
> /* Bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> } else {
> /* We know this is a 3w-1x00, and doesn't support aen's */
> @@ -326,7 +367,7 @@
> queue = 0;
> switch (aen_code) {
> case TW_AEN_QUEUE_EMPTY:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_EMPTY.\n");
> + dprintk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> if (first_reset != 1) {
> continue;
> } else {
> @@ -334,51 +375,28 @@
> }
> break;
> case TW_AEN_SOFT_RESET:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_SOFT_RESET.\n");
> if (first_reset == 0) {
> first_reset = 1;
> } else {
> + printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> + tw_dev->aen_count++;
> queue = 1;
> }
> break;
> - case TW_AEN_DEGRADED_MIRROR:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_DEGRADED_MIRROR.\n");
> - queue = 1;
> - break;
> - case TW_AEN_CONTROLLER_ERROR:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_CONTROLLER_ERROR.\n");
> - queue = 1;
> - break;
> - case TW_AEN_REBUILD_FAIL:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_FAIL.\n");
> - queue = 1;
> - break;
> - case TW_AEN_REBUILD_DONE:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_DONE.\n");
> - queue = 1;
> - break;
> - case TW_AEN_QUEUE_FULL:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_FULL.\n");
> - queue = 1;
> - break;
> - case TW_AEN_APORT_TIMEOUT:
> - printk(KERN_WARNING "3w-xxxx: Received drive timeout AEN on port %d, check drive and drive cables.\n", aen >> 8);
> - queue = 1;
> - break;
> - case TW_AEN_DRIVE_ERROR:
> - printk(KERN_WARNING "3w-xxxx: Received drive error AEN on port %d, check/replace cabling, or possible bad drive.\n", aen >> 8);
> - queue = 1;
> - break;
> - case TW_AEN_SMART_FAIL:
> - printk(KERN_WARNING "3w-xxxx: Received S.M.A.R.T. threshold AEN on port %d, check drive/cooling, or possible bad drive.\n", aen >> 8);
> - queue = 1;
> - break;
> - case TW_AEN_SBUF_FAIL:
> - printk(KERN_WARNING "3w-xxxx: Received SBUF integrity check failure AEN, reseat card or bad card.\n");
> - queue = 1;
> - break;
> default:
> - dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Unknown AEN code 0x%x.\n", aen_code);
> + if (aen == 0x0ff) {
> + printk(KERN_WARNING "3w-xxxx: AEN: AEN queue overflow.\n");
> + } else {
> + if ((aen & 0x0ff) < TW_AEN_STRING_MAX) {
> + if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
> + printk(KERN_WARNING "3w-xxxx: AEN: %s%d.\n", tw_aen_string[aen & 0xff], aen >> 8);
> + } else {
> + printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> + }
> + } else
> + printk(KERN_WARNING "3w-xxxx: Received AEN %d.\n", aen);
> + }
> + tw_dev->aen_count++;
> queue = 1;
> }
>
> @@ -488,40 +506,44 @@
> return 0;
> } /* End tw_aen_read_queue() */
>
> -/* This function will allocate memory and check if it is 16 d-word aligned */
> -int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which)
> +/* This function will allocate memory */
> +int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
> {
> - u32 *virt_addr = kmalloc(size, GFP_ATOMIC);
> + int i;
> + dma_addr_t dma_handle;
> + u32 *cpu_addr = NULL;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_allocate_memory()\n");
>
> - if (!virt_addr) {
> - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): kmalloc() failed.\n");
> - return 1;
> - }
> + for (i=0;i<TW_Q_LENGTH;i++) {
> + cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size, &dma_handle);
> + if (cpu_addr == NULL) {
> + printk(KERN_WARNING "3w-xxxx: pci_alloc_consistent() failed.\n");
> + return 1;
> + }
>
> - if ((u32)virt_addr % TW_ALIGNMENT) {
> - kfree(virt_addr);
> - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): Found unaligned address.\n");
> - return 1;
> - }
> + if ((u32)cpu_addr % (tw_dev->tw_pci_dev->device == TW_DEVICE_ID ? TW_ALIGNMENT_6000 : TW_ALIGNMENT_7000)) {
> + printk(KERN_WARNING "3w-xxxx: Couldn't allocate correctly aligned memory.\n");
> + return 1;
> + }
>
> - switch(which) {
> - case 0:
> - tw_dev->command_packet_virtual_address[request_id] = virt_addr;
> - tw_dev->command_packet_physical_address[request_id] = virt_to_bus(virt_addr);
> - break;
> - case 1:
> - tw_dev->alignment_virtual_address[request_id] = virt_addr;
> - tw_dev->alignment_physical_address[request_id] = virt_to_bus(virt_addr);
> - break;
> - case 2:
> - tw_dev->bounce_buffer[request_id] = virt_addr;
> - break;
> - default:
> - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
> - return 1;
> + switch(which) {
> + case 0:
> + tw_dev->command_packet_virtual_address[i] = cpu_addr;
> + tw_dev->command_packet_physical_address[i] = dma_handle;
> + memset(tw_dev->command_packet_virtual_address[i], 0, size);
> + break;
> + case 1:
> + tw_dev->alignment_virtual_address[i] = cpu_addr;
> + tw_dev->alignment_physical_address[i] = dma_handle;
> + memset(tw_dev->alignment_virtual_address[i], 0, size);
> + break;
> + default:
> + printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
> + return 1;
> + }
> }
> +
> return 0;
> } /* End tw_allocate_memory() */
>
> @@ -548,8 +570,10 @@
> status_reg_addr = tw_dev->registers.status_reg_addr;
> status_reg_value = inl(status_reg_addr);
>
> - if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value))
> + if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value)) {
> + tw_decode_bits(tw_dev, status_reg_value);
> return 1;
> + }
>
> return 0;
> } /* End tw_check_errors() */
> @@ -614,37 +638,62 @@
> dprintk(KERN_WARNING "3w-xxxx: tw_decode_bits()\n");
> switch (status_reg_value & TW_STATUS_UNEXPECTED_BITS) {
> case TW_STATUS_PCI_PARITY_ERROR:
> - printk(KERN_WARNING "3w-xxxx: PCI Parity Error: Reseat card, move card, or buggy device on the bus.\n");
> + printk(KERN_WARNING "3w-xxxx: PCI Parity Error: clearing.\n");
> outl(TW_CONTROL_CLEAR_PARITY_ERROR, tw_dev->registers.control_reg_addr);
> - pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PARITY_ERRORS);
> break;
> case TW_STATUS_MICROCONTROLLER_ERROR:
> printk(KERN_WARNING "3w-xxxx: Microcontroller Error.\n");
> break;
> + case TW_STATUS_PCI_ABORT:
> + printk(KERN_WARNING "3w-xxxx: PCI Abort: clearing.\n");
> + outl(TW_CONTROL_CLEAR_PCI_ABORT, tw_dev->registers.control_reg_addr);
> + pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PCI_ABORT);
> + break;
> }
> } /* End tw_decode_bits() */
>
> -/* This function will print readable messages from flags and status values */
> -void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit)
> +/* This function will return valid sense buffer information for failed cmds */
> +void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense)
> {
> - dprintk(KERN_WARNING "3w-xxxx: tw_decode_error()\n");
> - switch (status) {
> - case 0xc7:
> - switch (flags) {
> - case 0x1b:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Drive timeout on unit %d, check drive and drive cables.\n", tw_dev->host->host_no, unit);
> - break;
> - case 0x51:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Unrecoverable drive error on unit %d, check/replace cabling, or possible bad drive.\n", tw_dev->host->host_no, unit);
> - break;
> - default:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
> + int i, found=0;
> + TW_Command *command;
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_decode_sense()\n");
> + command = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> +
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Command failed: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, command->status, command->flags, command->byte3.unit);
> +
> + /* Attempt to return intelligent sense information */
> + if (fill_sense) {
> + if ((command->status == 0xc7) || (command->status == 0xcb)) {
> + for (i=0;i<(sizeof(tw_sense_table)/sizeof(tw_sense_table[0]));i++) {
> + if (command->flags == tw_sense_table[i][0]) {
> + found=1;
> +
> + /* Valid bit and 'current errors' */
> + tw_dev->srb[request_id]->sense_buffer[0] = (0x1 << 7 | 0x70);
> +
> + /* Sense key */
> + tw_dev->srb[request_id]->sense_buffer[2] = tw_sense_table[i][1];
> +
> + /* Additional sense length */
> + tw_dev->srb[request_id]->sense_buffer[7] = 0xa; /* 10 bytes */
> +
> + /* Additional sense code */
> + tw_dev->srb[request_id]->sense_buffer[12] = tw_sense_table[i][2];
> +
> + /* Additional sense code qualifier */
> + tw_dev->srb[request_id]->sense_buffer[13] = tw_sense_table[i][3];
> +
> + tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
> + }
> + }
> }
> - break;
> - default:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
> + /* If no table match, error so we get a reset */
> + if (found == 0)
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> }
> -} /* End tw_decode_error() */
> +} /* End tw_decode_sense() */
>
> /* This function will disable interrupts on the controller */
> void tw_disable_interrupts(TW_Device_Extension *tw_dev)
> @@ -691,11 +740,22 @@
> u32 control_reg_value, control_reg_addr;
>
> control_reg_addr = tw_dev->registers.control_reg_addr;
> + control_reg_value = (TW_CONTROL_ENABLE_INTERRUPTS |
> + TW_CONTROL_UNMASK_RESPONSE_INTERRUPT);
> + outl(control_reg_value, control_reg_addr);
> +} /* End tw_enable_interrupts() */
> +
> +/* This function will enable interrupts on the controller */
> +void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev)
> +{
> + u32 control_reg_value, control_reg_addr;
> +
> + control_reg_addr = tw_dev->registers.control_reg_addr;
> control_reg_value = (TW_CONTROL_CLEAR_ATTENTION_INTERRUPT |
> TW_CONTROL_UNMASK_RESPONSE_INTERRUPT |
> TW_CONTROL_ENABLE_INTERRUPTS);
> outl(control_reg_value, control_reg_addr);
> -} /* End tw_enable_interrupts() */
> +} /* End tw_enable_and_clear_interrupts() */
>
> /* This function will find and initialize all cards */
> int tw_findcards(Scsi_Host_Template *tw_host)
> @@ -716,6 +776,13 @@
> while ((tw_pci_dev = pci_find_device(TW_VENDOR_ID, device[i], tw_pci_dev))) {
> if (pci_enable_device(tw_pci_dev))
> continue;
> +
> + /* We only need 32-bit addressing for 5,6,7xxx cards */
> + if (pci_set_dma_mask(tw_pci_dev, 0xffffffff)) {
> + printk(KERN_WARNING "3w-xxxx: No suitable DMA available.\n");
> + continue;
> + }
> +
> /* Prepare temporary device extension */
> tw_dev=(TW_Device_Extension *)kmalloc(sizeof(TW_Device_Extension), GFP_ATOMIC);
> if (tw_dev == NULL) {
> @@ -724,6 +791,9 @@
> }
> memset(tw_dev, 0, sizeof(TW_Device_Extension));
>
> + /* Save pci_dev struct to device extension */
> + tw_dev->tw_pci_dev = tw_pci_dev;
> +
> error = tw_initialize_device_extension(tw_dev);
> if (error) {
> printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initialize device extension for card %d.\n", numcards);
> @@ -738,8 +808,6 @@
> tw_dev->registers.status_reg_addr = pci_resource_start(tw_pci_dev, 0) + 0x4;
> tw_dev->registers.command_que_addr = pci_resource_start(tw_pci_dev, 0) + 0x8;
> tw_dev->registers.response_que_addr = pci_resource_start(tw_pci_dev, 0) + 0xC;
> - /* Save pci_dev struct to device extension */
> - tw_dev->tw_pci_dev = tw_pci_dev;
>
> /* Check for errors and clear them */
> status_reg_value = inl(tw_dev->registers.status_reg_addr);
> @@ -763,14 +831,14 @@
>
> error = tw_aen_drain_queue(tw_dev);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): No attention interrupt for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: AEN drain failed for card %d.\n", numcards);
> tries++;
> continue;
> }
>
> /* Check for controller errors */
> if (tw_check_errors(tw_dev)) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller errors found, soft resetting card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Controller errors found, retrying for card %d.\n", numcards);
> tries++;
> continue;
> }
> @@ -778,7 +846,7 @@
> /* Empty the response queue */
> error = tw_empty_response_que(tw_dev);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't empty response queue for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Couldn't empty response queue, retrying for card %d.\n", numcards);
> tries++;
> continue;
> }
> @@ -788,7 +856,7 @@
> }
>
> if (tries >= TW_MAX_RESET_TRIES) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller error or no attention interrupt: giving up for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Controller errors, card not responding, check all cabling for card %d.\n", numcards);
> tw_free_device_extension(tw_dev);
> kfree(tw_dev);
> continue;
> @@ -818,7 +886,7 @@
>
> error = tw_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initconnection for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Connection initialization failed for card %d.\n", numcards);
> release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> tw_free_device_extension(tw_dev);
> kfree(tw_dev);
> @@ -827,29 +895,28 @@
>
> /* Calculate max cmds per lun, and setup queues */
> if (tw_dev->num_units > 0) {
> - if ((tw_dev->num_raid_five > 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
> - tw_host->cmd_per_lun = (TW_MAX_BOUNCEBUF-1)/tw_dev->num_units;
> - tw_dev->free_head = TW_Q_START;
> - tw_dev->free_tail = TW_MAX_BOUNCEBUF - 1;
> - tw_dev->free_wrap = TW_MAX_BOUNCEBUF - 1;
> - } else {
> - tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
> - tw_dev->free_head = TW_Q_START;
> - tw_dev->free_tail = TW_Q_LENGTH - 1;
> - tw_dev->free_wrap = TW_Q_LENGTH - 1;
> - }
> + tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
> + tw_dev->free_head = TW_Q_START;
> + tw_dev->free_tail = TW_Q_LENGTH - 1;
> + tw_dev->free_wrap = TW_Q_LENGTH - 1;
> }
>
> - /* Register the card with the kernel SCSI layer */
> + /* Register the card with the kernel SCSI layer */
> host = scsi_register(tw_host, sizeof(TW_Device_Extension));
> if (host == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards-1);
> + printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards);
> release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> tw_free_device_extension(tw_dev);
> kfree(tw_dev);
> continue;
> }
>
> + /* Set max target id's */
> + host->max_id = TW_MAX_UNITS;
> +
> + /* Set max cdb size in bytes */
> + host->max_cmd_len = 16;
> +
> /* Set max sectors per io */
> #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,7)
> host->max_sectors = TW_MAX_SECTORS;
> @@ -874,7 +941,7 @@
> tw_device_extension_count = numcards;
> tw_dev2->host = host;
> } else {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards-1);
> + printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards);
> scsi_unregister(host);
> release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> tw_free_device_extension(tw_dev);
> @@ -924,15 +991,10 @@
> /* Free command packet and generic buffer memory */
> for (i=0;i<TW_Q_LENGTH;i++) {
> if (tw_dev->command_packet_virtual_address[i])
> - kfree(tw_dev->command_packet_virtual_address[i]);
> + pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->command_packet_virtual_address[i], tw_dev->command_packet_physical_address[i]);
>
> if (tw_dev->alignment_virtual_address[i])
> - kfree(tw_dev->alignment_virtual_address[i]);
> -
> - }
> - for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
> - if (tw_dev->bounce_buffer[i])
> - kfree(tw_dev->bounce_buffer[i]);
> + pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->alignment_virtual_address[i], tw_dev->alignment_physical_address[i]);
> }
> } /* End tw_free_device_extension() */
>
> @@ -1015,8 +1077,7 @@
> }
> if (command_packet->status != 0) {
> /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_initconnection(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> }
> break; /* Response was okay, so we exit */
> @@ -1028,57 +1089,33 @@
> /* This function will initialize the fields of a device extension */
> int tw_initialize_device_extension(TW_Device_Extension *tw_dev)
> {
> - int i, imax;
> + int i, error=0;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_device_extension()\n");
> - imax = TW_Q_LENGTH;
>
> - for (i=0; i<imax; i++) {
> - /* Initialize command packet buffers */
> - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 0);
> - if (tw_dev->command_packet_virtual_address[i] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad command packet virtual address.\n");
> - return 1;
> - }
> - memset(tw_dev->command_packet_virtual_address[i], 0, sizeof(TW_Sector));
> -
> - /* Initialize generic buffer */
> - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 1);
> - if (tw_dev->alignment_virtual_address[i] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad alignment virtual address.\n");
> - return 1;
> - }
> - memset(tw_dev->alignment_virtual_address[i], 0, sizeof(TW_Sector));
> + /* Initialize command packet buffers */
> + error = tw_allocate_memory(tw_dev, sizeof(TW_Command), 0);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: Command packet memory allocation failed.\n");
> + return 1;
> + }
>
> - tw_dev->free_queue[i] = i;
> - tw_dev->state[i] = TW_S_INITIAL;
> - tw_dev->ioctl_size[i] = 0;
> - tw_dev->aen_queue[i] = 0;
> + /* Initialize generic buffer */
> + error = tw_allocate_memory(tw_dev, sizeof(TW_Sector), 1);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: Generic memory allocation failed.\n");
> + return 1;
> }
>
> - for (i=0;i<TW_MAX_UNITS;i++) {
> - tw_dev->is_unit_present[i] = 0;
> - tw_dev->is_raid_five[i] = 0;
> + for (i=0;i<TW_Q_LENGTH;i++) {
> + tw_dev->free_queue[i] = i;
> + tw_dev->state[i] = TW_S_INITIAL;
> }
>
> - tw_dev->num_units = 0;
> - tw_dev->num_aborts = 0;
> - tw_dev->num_resets = 0;
> - tw_dev->posted_request_count = 0;
> - tw_dev->max_posted_request_count = 0;
> - tw_dev->max_sgl_entries = 0;
> - tw_dev->sgl_entries = 0;
> - tw_dev->host = NULL;
> tw_dev->pending_head = TW_Q_START;
> tw_dev->pending_tail = TW_Q_START;
> - tw_dev->aen_head = 0;
> - tw_dev->aen_tail = 0;
> - tw_dev->sector_count = 0;
> - tw_dev->max_sector_count = 0;
> - tw_dev->aen_count = 0;
> - tw_dev->num_raid_five = 0;
> spin_lock_init(&tw_dev->tw_lock);
> - tw_dev->flags = 0;
> +
> return 0;
> } /* End tw_initialize_device_extension() */
>
> @@ -1089,14 +1126,13 @@
> unsigned char request_id = 0;
> TW_Command *command_packet;
> TW_Param *param;
> - int i, j, imax, num_units = 0, num_raid_five = 0;
> + int i, imax, num_units = 0;
> u32 status_reg_addr, status_reg_value;
> u32 command_que_addr, command_que_value;
> u32 response_que_addr;
> TW_Response_Queue response_queue;
> u32 param_value;
> unsigned char *is_unit_present;
> - unsigned char *raid_level;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_units()\n");
>
> @@ -1168,8 +1204,7 @@
> }
> if (command_packet->status != 0) {
> /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> }
> found = 1;
> @@ -1205,109 +1240,6 @@
> return 1;
> }
>
> - /* Find raid 5 arrays */
> - for (j=0;j<TW_MAX_UNITS;j++) {
> - if (tw_dev->is_unit_present[j] == 0)
> - continue;
> - command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> - if (command_packet == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet virtual address.\n");
> - return 1;
> - }
> - memset(command_packet, 0, sizeof(TW_Sector));
> - command_packet->byte0.opcode = TW_OP_GET_PARAM;
> - command_packet->byte0.sgl_offset = 2;
> - command_packet->size = 4;
> - command_packet->request_id = request_id;
> - command_packet->byte3.unit = 0;
> - command_packet->byte3.host_id = 0;
> - command_packet->status = 0;
> - command_packet->flags = 0;
> - command_packet->byte6.block_count = 1;
> -
> - /* Now setup the param */
> - if (tw_dev->alignment_virtual_address[request_id] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment virtual address.\n");
> - return 1;
> - }
> - param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> - memset(param, 0, sizeof(TW_Sector));
> - param->table_id = 0x300+j; /* unit summary table */
> - param->parameter_id = 0x6; /* unit descriptor */
> - param->parameter_size_bytes = 0xc;
> - param_value = tw_dev->alignment_physical_address[request_id];
> - if (param_value == 0) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment physical address.\n");
> - return 1;
> - }
> -
> - command_packet->byte8.param.sgl[0].address = param_value;
> - command_packet->byte8.param.sgl[0].length = sizeof(TW_Sector);
> -
> - /* Post the command packet to the board */
> - command_que_value = tw_dev->command_packet_physical_address[request_id];
> - if (command_que_value == 0) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet physical address.\n");
> - return 1;
> - }
> - outl(command_que_value, command_que_addr);
> -
> - /* Poll for completion */
> - imax = TW_POLL_MAX_RETRIES;
> - for(i=0; i<imax; i++) {
> - mdelay(5);
> - status_reg_value = inl(status_reg_addr);
> - if (tw_check_bits(status_reg_value)) {
> - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected bits.\n");
> - tw_decode_bits(tw_dev, status_reg_value);
> - return 1;
> - }
> - if ((status_reg_value & TW_STATUS_RESPONSE_QUEUE_EMPTY) == 0) {
> - response_queue.value = inl(response_que_addr);
> - request_id = (unsigned char)response_queue.u.response_id;
> - if (request_id != 0) {
> - /* unexpected request id */
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected request id.\n");
> - return 1;
> - }
> - if (command_packet->status != 0) {
> - /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> - return 1;
> - }
> - found = 1;
> - break;
> - }
> - }
> - if (found == 0) {
> - /* response never received */
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): No response.\n");
> - return 1;
> - }
> -
> - param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> - raid_level = (unsigned char *)&(param->data[1]);
> - if (*raid_level == 5) {
> - dprintk(KERN_WARNING "3w-xxxx: Found unit %d to be a raid5 unit.\n", j);
> - tw_dev->is_raid_five[j] = 1;
> - num_raid_five++;
> - }
> - }
> - tw_dev->num_raid_five = num_raid_five;
> -
> - /* Now allocate raid5 bounce buffers */
> - if ((num_raid_five != 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
> - for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
> - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector)*TW_MAX_SECTORS, 2);
> - if (tw_dev->bounce_buffer[i] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: Bounce buffer allocation failed.\n");
> - return 1;
> - }
> - memset(tw_dev->bounce_buffer[i], 0, sizeof(TW_Sector)*TW_MAX_SECTORS);
> - }
> - }
> -
> return 0;
> } /* End tw_initialize_units() */
>
> @@ -1332,13 +1264,18 @@
>
> if (tw_dev->tw_pci_dev->irq == irq) {
> spin_lock(&tw_dev->tw_lock);
> - dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt()\n");
> + dprintk(KERN_WARNING "3w-xxxx: tw_interrupt()\n");
>
> /* Read the registers */
> status_reg_addr = tw_dev->registers.status_reg_addr;
> response_que_addr = tw_dev->registers.response_que_addr;
> status_reg_value = inl(status_reg_addr);
>
> + if (tw_check_bits(status_reg_value)) {
> + dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> + tw_decode_bits(tw_dev, status_reg_value);
> + }
> +
> /* Check which interrupt */
> if (status_reg_value & TW_STATUS_HOST_INTERRUPT)
> do_host_interrupt=1;
> @@ -1403,17 +1340,18 @@
> command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> error = 0;
> if (command_packet->status != 0) {
> - dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Bad response, status = 0x%x, flags = 0x%x, unit = 0x%x.\n", command_packet->status, command_packet->flags, command_packet->byte3.unit);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> - error = 1;
> + /* Bad response */
> + if (tw_dev->srb[request_id] != 0)
> + tw_decode_sense(tw_dev, request_id, 1);
> + error = 3;
> }
> if (tw_dev->state[request_id] != TW_S_POSTED) {
> printk(KERN_WARNING "3w-xxxx: scsi%d: Received a request id (%d) (opcode = 0x%x) that wasn't posted.\n", tw_dev->host->host_no, request_id, command_packet->byte0.opcode);
> error = 1;
> }
> if (TW_STATUS_ERRORS(status_reg_value)) {
> - tw_decode_bits(tw_dev, status_reg_value);
> - error = 1;
> + tw_decode_bits(tw_dev, status_reg_value);
> + error = 1;
> }
> dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt(): Response queue request id: %d.\n", request_id);
> /* Check for internal command */
> @@ -1428,7 +1366,7 @@
> dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> tw_decode_bits(tw_dev, status_reg_value);
> }
> - } else {
> + } else {
> switch (tw_dev->srb[request_id]->cmnd[0]) {
> case READ_10:
> case READ_6:
> @@ -1455,18 +1393,23 @@
> tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);
> tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> }
> - if (error) {
> + if (error == 1) {
> /* Tell scsi layer there was an error */
> dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Scsi Error.\n");
> tw_dev->srb[request_id]->result = (DID_RESET << 16);
> - } else {
> + }
> + if (error == 0) {
> /* Tell scsi layer command was a success */
> tw_dev->srb[request_id]->result = (DID_OK << 16);
> }
> - tw_dev->state[request_id] = TW_S_COMPLETED;
> - tw_state_request_finish(tw_dev, request_id);
> - tw_dev->posted_request_count--;
> - tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> + if (error != 2) {
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + tw_dev->posted_request_count--;
> + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> +
> + tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
> + }
> status_reg_value = inl(status_reg_addr);
> if (tw_check_bits(status_reg_value)) {
> dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> @@ -1479,19 +1422,22 @@
> }
> spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
> clear_bit(TW_IN_INTR, &tw_dev->flags);
> -} /* End tw_interrupt() */
> +} /* End tw_interrupt() */
>
> /* This function handles ioctls from userspace to the driver */
> int tw_ioctl(TW_Device_Extension *tw_dev, int request_id)
> {
> unsigned char opcode;
> - int bufflen;
> + int bufflen, error = 0;
> TW_Param *param;
> - TW_Command *command_packet;
> + TW_Command *command_packet, *command_save;
> u32 param_value;
> TW_Ioctl *ioctl = NULL;
> TW_Passthru *passthru = NULL;
> - int tw_aen_code;
> + int tw_aen_code, i, use_sg;
> + char *data_ptr;
> + int total_bytes = 0;
> + dma_addr_t dma_handle;
>
> ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
> if (ioctl == NULL) {
> @@ -1598,7 +1544,7 @@
> printk(KERN_WARNING "3w-xxxx: tw_ioctl(): Passthru size (%ld) too big.\n", passthru->sg_list[0].length);
> return 1;
> }
> - passthru->sg_list[0].address = virt_to_bus(tw_dev->alignment_virtual_address[request_id]);
> + passthru->sg_list[0].address = tw_dev->alignment_physical_address[request_id];
> tw_post_command_packet(tw_dev, request_id);
> return 0;
> case TW_CMD_PACKET:
> @@ -1612,6 +1558,161 @@
> printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
> return 1;
> }
> + case TW_CMD_PACKET_WITH_DATA:
> + dprintk(KERN_WARNING "3w-xxxx: tw_ioctl(): caught TW_CMD_PACKET_WITH_DATA.\n");
> + command_save = (TW_Command *)tw_dev->alignment_virtual_address[request_id];
> + if (command_save == NULL) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad alignment virtual address.\n", tw_dev->host->host_no);
> + return 1;
> + }
> + if (ioctl->data != NULL) {
> + /* Copy down the command packet */
> + memcpy(command_packet, ioctl->data, sizeof(TW_Command));
> + memcpy(command_save, ioctl->data, sizeof(TW_Command));
> + command_packet->request_id = request_id;
> +
> + /* Now deal with the two possible sglists */
> + if (command_packet->byte0.sgl_offset == 2) {
> + use_sg = command_packet->size - 3;
> + for (i=0;i<use_sg;i++)
> + total_bytes+=command_packet->byte8.param.sgl[i].length;
> + tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
> +
> + if (!tw_dev->ioctl_data[request_id]) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): kmalloc failed for request_id %d.\n", tw_dev->host->host_no, request_id);
> + return 1;
> + }
> +
> + /* Copy param sglist into the kernel */
> + data_ptr = tw_dev->ioctl_data[request_id];
> + for (i=0;i<use_sg;i++) {
> + if ((u32 *)command_packet->byte8.param.sgl[i].address != NULL) {
> + error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.param.sgl[i].address, command_packet->byte8.param.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist from userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + data_ptr+=command_packet->byte8.param.sgl[i].length;
> + }
> + command_packet->size = 4;
> + command_packet->byte8.param.sgl[0].address = dma_handle;
> + command_packet->byte8.param.sgl[0].length = total_bytes;
> + }
> + if (command_packet->byte0.sgl_offset == 3) {
> + use_sg = command_packet->size - 4;
> + for (i=0;i<use_sg;i++)
> + total_bytes+=command_packet->byte8.io.sgl[i].length;
> + tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
> +
> + if (!tw_dev->ioctl_data[request_id]) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): pci_alloc_consistent() failed for request_id %d.\n", tw_dev->host->host_no, request_id);
> + return 1;
> + }
> + if (command_packet->byte0.opcode == TW_OP_WRITE) {
> + /* Copy io sglist into the kernel */
> + data_ptr = tw_dev->ioctl_data[request_id];
> + for (i=0;i<use_sg;i++) {
> + if ((u32 *)command_packet->byte8.io.sgl[i].address != NULL) {
> + error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.io.sgl[i].address, command_packet->byte8.io.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist from userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + data_ptr+=command_packet->byte8.io.sgl[i].length;
> + }
> + }
> + command_packet->size = 5;
> + command_packet->byte8.io.sgl[0].address = dma_handle;
> + command_packet->byte8.io.sgl[0].length = total_bytes;
> + }
> +
> + spin_unlock_irq(tw_dev->host->host_lock);
> + spin_unlock_irq(&tw_dev->tw_lock);
> +
> + /* Finally post the command packet */
> + tw_post_command_packet(tw_dev, request_id);
> +
> + mdelay(TW_IOCTL_WAIT_TIME);
> + spin_lock_irq(&tw_dev->tw_lock);
> + spin_lock_irq(tw_dev->host->host_lock);
> +
> + if (signal_pending(current)) {
> + dprintk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Signal pending, aborting ioctl().\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_OK << 16);
> + goto tw_ioctl_bail;
> + }
> +
> + tw_dev->srb[request_id]->result = (DID_OK << 16);
> + /* Now copy up the param or io sglist to userspace */
> + if (command_packet->byte0.sgl_offset == 2) {
> + use_sg = command_save->size - 3;
> + data_ptr = phys_to_virt(command_packet->byte8.param.sgl[0].address);
> + for (i=0;i<use_sg;i++) {
> + if ((u32 *)command_save->byte8.param.sgl[i].address != NULL) {
> + error = copy_to_user((u32 *)command_save->byte8.param.sgl[i].address, data_ptr, command_save->byte8.param.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist to userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.param.sgl[i].length, current->pid);
> + data_ptr+=command_save->byte8.param.sgl[i].length;
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + }
> + }
> + if (command_packet->byte0.sgl_offset == 3) {
> + use_sg = command_save->size - 4;
> + if (command_packet->byte0.opcode == TW_OP_READ) {
> + data_ptr = phys_to_virt(command_packet->byte8.io.sgl[0].address);
> + for(i=0;i<use_sg;i++) {
> + if ((u32 *)command_save->byte8.io.sgl[i].address != NULL) {
> + error = copy_to_user((u32 *)command_save->byte8.io.sgl[i].address, data_ptr, command_save->byte8.io.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist to userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.io.sgl[i].length, current->pid);
> + data_ptr+=command_save->byte8.io.sgl[i].length;
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + }
> + }
> + }
> +
> + tw_ioctl_bail:
> +
> + /* Free up sglist memory */
> + if (tw_dev->ioctl_data[request_id])
> + pci_free_consistent(tw_dev->tw_pci_dev, total_bytes, tw_dev->ioctl_data[request_id], dma_handle);
> + else
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Error freeing ioctl data.\n", tw_dev->host->host_no);
> +
> + /* Now complete the io */
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + tw_dev->posted_request_count--;
> + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> + return 0;
> + } else {
> + printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
> + return 1;
> + }
> default:
> printk(KERN_WARNING "3w-xxxx: Unknown ioctl 0x%x.\n", opcode);
> tw_dev->state[request_id] = TW_S_COMPLETED;
> @@ -1655,6 +1756,7 @@
> TW_Param *param;
> TW_Ioctl *ioctl = NULL;
> TW_Passthru *passthru = NULL;
> + TW_Command *command_packet;
>
> ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
> dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete()\n");
> @@ -1663,6 +1765,13 @@
> printk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): Request buffer NULL.\n");
> return 1;
> }
> +
> + command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> + if (command_packet == NULL) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl_complete(): Bad command packet virtual address.\n", tw_dev->host->host_no);
> + return 1;
> + }
> +
> dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete(): Request_bufflen = %d\n", tw_dev->srb[request_id]->request_bufflen);
>
> ioctl = (TW_Ioctl *)buff;
> @@ -1671,6 +1780,9 @@
> passthru = (TW_Passthru *)ioctl->data;
> memcpy(buff, tw_dev->alignment_virtual_address[request_id], passthru->sector_count * 512);
> break;
> + case TW_CMD_PACKET_WITH_DATA:
> + dprintk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): caught TW_CMD_PACKET_WITH_DATA.\n");
> + return 2; /* Special case for isr to not complete io */
> default:
> memset(buff, 0, tw_dev->srb[request_id]->request_bufflen);
> param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> @@ -1684,6 +1796,40 @@
> return 0;
> } /* End tw_ioctl_complete() */
>
> +static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> +{
> + int use_sg;
> + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_sg_data()\n");
> +
> + if (cmd->use_sg == 0)
> + return 0;
> +
> + use_sg = pci_map_sg(pdev, cmd->buffer, cmd->use_sg, dma_dir);
> + cmd->SCp.phase = 2;
> + cmd->SCp.have_data_in = use_sg;
> +
> + return use_sg;
> +} /* End tw_map_scsi_sg_data() */
> +
> +static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> +{
> + dma_addr_t mapping;
> + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_single_data()\n");
> +
> + if (cmd->request_bufflen == 0)
> + return 0;
> +
> + mapping = pci_map_single(pdev, cmd->request_buffer, cmd->request_bufflen, dma_dir);
> + cmd->SCp.phase = 2;
> + cmd->SCp.have_data_in = mapping;
> +
> + return mapping;
> +} /* End tw_map_scsi_single_data() */
> +
> /* This function will mask the command interrupt */
> void tw_mask_command_interrupt(TW_Device_Extension *tw_dev)
> {
> @@ -1704,14 +1850,25 @@
> do_gettimeofday(&before);
> status_reg_value = inl(status_reg_addr);
>
> + if (tw_check_bits(status_reg_value)) {
> + dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
> + tw_decode_bits(tw_dev, status_reg_value);
> + }
> +
> while ((status_reg_value & flag) != flag) {
> status_reg_value = inl(status_reg_addr);
> +
> + if (tw_check_bits(status_reg_value)) {
> + dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
> + tw_decode_bits(tw_dev, status_reg_value);
> + }
> +
> do_gettimeofday(&timeout);
> if (before.tv_sec + seconds < timeout.tv_sec) {
> dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Flag 0x%x not found.\n", flag);
> return 1;
> }
> - mdelay(1);
> + mdelay(5);
> }
> return 0;
> } /* End tw_poll_status() */
> @@ -1787,6 +1944,7 @@
> srb = tw_dev->srb[i];
> srb->result = (DID_RESET << 16);
> tw_dev->srb[i]->scsi_done(tw_dev->srb[i]);
> + tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[i]);
> }
> }
> }
> @@ -1821,7 +1979,7 @@
>
> error = tw_aen_drain_queue(tw_dev);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Card not responding, retrying.\n", tw_dev->host->host_no);
> + printk(KERN_WARNING "3w-xxxx: scsi%d: AEN drain failed, retrying.\n", tw_dev->host->host_no);
> tries++;
> continue;
> }
> @@ -1857,7 +2015,7 @@
> }
>
> /* Re-enable interrupts */
> - tw_enable_interrupts(tw_dev);
> + tw_enable_and_clear_interrupts(tw_dev);
>
> return 0;
> } /* End tw_reset_sequence() */
> @@ -2381,6 +2539,9 @@
> capacity = (param_data[3] << 24) | (param_data[2] << 16) |
> (param_data[1] << 8) | param_data[0];
>
> + /* Subtract one sector to fix get last sector ioctl */
> + capacity -= 1;
> +
> dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity_complete(): Capacity = 0x%x.\n", capacity);
>
> /* Number of LBA's */
> @@ -2403,8 +2564,8 @@
> {
> TW_Command *command_packet;
> u32 command_que_addr, command_que_value = 0;
> - u32 lba = 0x0, num_sectors = 0x0;
> - int i, count = 0;
> + u32 lba = 0x0, num_sectors = 0x0, buffaddr = 0x0;
> + int i, use_sg;
> Scsi_Cmnd *srb;
> struct scatterlist *sglist;
>
> @@ -2461,45 +2622,25 @@
> command_packet->byte8.io.lba = lba;
> command_packet->byte6.block_count = num_sectors;
>
> - if ((tw_dev->is_raid_five[tw_dev->srb[request_id]->target] == 0) || (srb->cmnd[0] == READ_6) || (srb->cmnd[0] == READ_10) || (tw_dev->tw_pci_dev->device == TW_DEVICE_ID2)) {
> - /* Do this if there are no sg list entries */
> - if (tw_dev->srb[request_id]->use_sg == 0) {
> - dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
> - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->srb[request_id]->request_buffer);
> - command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> - }
> -
> - /* Do this if we have multiple sg list entries */
> - if (tw_dev->srb[request_id]->use_sg > 0) {
> - for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
> - command_packet->byte8.io.sgl[i].address = virt_to_bus(sglist[i].address);
> - command_packet->byte8.io.sgl[i].length = sglist[i].length;
> - command_packet->size+=2;
> - }
> - if (tw_dev->srb[request_id]->use_sg >= 1)
> - command_packet->size-=2;
> + /* Do this if there are no sg list entries */
> + if (tw_dev->srb[request_id]->use_sg == 0) {
> + dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
> + buffaddr = tw_map_scsi_single_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
> + command_packet->byte8.io.sgl[0].address = buffaddr;
> + command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> + }
> +
> + /* Do this if we have multiple sg list entries */
> + if (tw_dev->srb[request_id]->use_sg > 0) {
> + use_sg = tw_map_scsi_sg_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);;
> + for (i=0;i<use_sg; i++) {
> + command_packet->byte8.io.sgl[i].address = sg_dma_address(&sglist[i]);
> + command_packet->byte8.io.sgl[i].length = sg_dma_len(&sglist[i]);
> + command_packet->size+=2;
> }
> - } else {
> - /* Do this if there are no sg list entries for raid 5 */
> - if (tw_dev->srb[request_id]->use_sg == 0) {
> - dprintk(KERN_WARNING "doing raid 5 write use_sg = 0, bounce_buffer[%d] = 0x%p\n", request_id, tw_dev->bounce_buffer[request_id]);
> - memcpy(tw_dev->bounce_buffer[request_id], tw_dev->srb[request_id]->request_buffer, tw_dev->srb[request_id]->request_bufflen);
> - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
> - command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> - }
> -
> - /* Do this if we have multiple sg list entries for raid 5 */
> - if (tw_dev->srb[request_id]->use_sg > 0) {
> - dprintk(KERN_WARNING "doing raid 5 write use_sg = %d, sglist[0].length = %d\n", tw_dev->srb[request_id]->use_sg, sglist[0].length);
> - for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
> - memcpy((char *)(tw_dev->bounce_buffer[request_id])+count, sglist[i].address, sglist[i].length);
> - count+=sglist[i].length;
> - }
> - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
> - command_packet->byte8.io.sgl[0].length = count;
> - command_packet->size = 5; /* single sgl */
> - }
> - }
> + if (tw_dev->srb[request_id]->use_sg >= 1)
> + command_packet->size-=2;
> + }
>
> /* Update SG statistics */
> tw_dev->sgl_entries = tw_dev->srb[request_id]->use_sg;
> @@ -2521,18 +2662,18 @@
> /* This function will handle the request sense scsi command */
> int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id)
> {
> - dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
> -
> - /* For now we just zero the sense buffer */
> - memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
> - tw_dev->state[request_id] = TW_S_COMPLETED;
> - tw_state_request_finish(tw_dev, request_id);
> -
> - /* If we got a request_sense, we probably want a reset, return error */
> - tw_dev->srb[request_id]->result = (DID_ERROR << 16);
> - tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> -
> - return 0;
> + dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
> +
> + /* For now we just zero the request buffer */
> + memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> +
> + /* If we got a request_sense, we probably want a reset, return error */
> + tw_dev->srb[request_id]->result = (DID_ERROR << 16);
> + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> +
> + return 0;
> } /* End tw_scsiop_request_sense() */
>
> /* This function will handle test unit ready scsi command */
> @@ -2626,8 +2767,7 @@
> }
> if (command_packet->status != 0) {
> /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_setfeature(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> }
> break; /* Response was okay, so we exit */
> @@ -2671,7 +2811,7 @@
> }
>
> /* Re-enable interrupts */
> - tw_enable_interrupts(tw_dev);
> + tw_enable_and_clear_interrupts(tw_dev);
>
> return 0;
> } /* End tw_shutdown_device() */
> @@ -2719,7 +2859,7 @@
> int id = 0;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_state_request_start()\n");
> -
> +
> /* Obtain next free request_id */
> do {
> if (tw_dev->free_head == tw_dev->free_wrap) {
> @@ -2738,6 +2878,19 @@
> return 0;
> } /* End tw_state_request_start() */
>
> +static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> +{
> + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
> +
> + if (cmd->use_sg) {
> + pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, dma_dir);
> + } else {
> + pci_unmap_single(pdev, cmd->SCp.have_data_in, cmd->request_bufflen, dma_dir);
> + }
> +} /* End tw_unmap_scsi_data() */
> +
> /* This function will unmask the command interrupt on the controller */
> void tw_unmask_command_interrupt(TW_Device_Extension *tw_dev)
> {
> @@ -2749,7 +2902,6 @@
> } /* End tw_unmask_command_interrupt() */
>
> /* Now get things going */
> -
> static Scsi_Host_Template driver_template = TWXXXX;
> #include "scsi_module.c"
>
> diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h
> --- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h Tue Feb 19 18:10:58 2002
> +++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h Wed Feb 27 11:53:52 2002
> @@ -6,7 +6,7 @@
> Arnaldo Carvalho de Melo <[email protected]>
> Brad Strand <[email protected]>
>
> - Copyright (C) 1999-2001 3ware Inc.
> + Copyright (C) 1999-2002 3ware Inc.
>
> Kernel compatablity By: Andre Hedrick <[email protected]>
> Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
> @@ -62,7 +62,7 @@
> static char *tw_aen_string[] = {
> "AEN queue empty", // 0x000
> "Soft reset occurred", // 0x001
> - "Mirorr degraded: Unit #", // 0x002
> + "Unit degraded: Unit #", // 0x002
> "Controller error", // 0x003
> "Rebuild failed: Unit #", // 0x004
> "Rebuild complete: Unit #", // 0x005
> @@ -90,10 +90,36 @@
> "DCB unsupported version: Port #", // 0x028
> "Verify started: Unit #", // 0x029
> "Verify failed: Port #", // 0x02A
> - "Verify complete: Unit #" // 0x02B
> + "Verify complete: Unit #", // 0x02B
> + "Overwrote bad sector during rebuild: Port #", //0x2C
> + "Encountered bad sector during rebuild: Port #" //0x2D
> };
>
> -#define TW_AEN_STRING_MAX 0x02C
> +#define TW_AEN_STRING_MAX 0x02E
> +
> +/*
> + Sense key lookup table
> + Format: ESDC/flags,SenseKey,AdditionalSenseCode,AdditionalSenseCodeQualifier
> +*/
> +static unsigned char tw_sense_table[][4] =
> +{
> + /* Codes for newer firmware */
> + // ATA Error SCSI Error
> + {0x01, 0x03, 0x13, 0x00}, // Address mark not found Address mark not found for data field
> + {0x04, 0x0b, 0x00, 0x00}, // Aborted command Aborted command
> + {0x10, 0x0b, 0x14, 0x00}, // ID not found Recorded entity not found
> + {0x40, 0x03, 0x11, 0x00}, // Uncorrectable ECC error Unrecovered read error
> + {0x61, 0x04, 0x00, 0x00}, // Device fault Hardware error
> + {0x84, 0x0b, 0x47, 0x00}, // Data CRC error SCSI parity error
> + {0xd0, 0x0b, 0x00, 0x00}, // Device busy Aborted command
> + {0xd1, 0x0b, 0x00, 0x00}, // Device busy Aborted command
> +
> + /* Codes for older firmware */
> + // 3ware Error SCSI Error
> + {0x09, 0x0b, 0x00, 0x00}, // Unrecovered disk error Aborted command
> + {0x37, 0x0b, 0x04, 0x00}, // Unit offline Logical unit not ready
> + {0x51, 0x0b, 0x00, 0x00} // Unspecified Aborted command
> +};
>
> /* Control register bit definitions */
> #define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000
> @@ -108,6 +134,7 @@
> #define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040
> #define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
> #define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000
> +#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000
>
> /* Status register bit definitions */
> #define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000
> @@ -140,6 +167,7 @@
> #define TW_DEVICE_ID2 (0x1001) /* 7000 series controller */
> #define TW_NUMDEVICES 2
> #define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
> +#define TW_PCI_CLEAR_PCI_ABORT 0x2000
>
> /* Command packet opcodes */
> #define TW_OP_NOP 0x0
> @@ -153,6 +181,7 @@
> #define TW_OP_AEN_LISTEN 0x1c
> #define TW_CMD_PACKET 0x1d
> #define TW_ATA_PASSTHRU 0x1e
> +#define TW_CMD_PACKET_WITH_DATA 0x1f
>
> /* Asynchronous Event Notification (AEN) Codes */
> #define TW_AEN_QUEUE_EMPTY 0x0000
> @@ -169,7 +198,8 @@
> #define TW_AEN_SBUF_FAIL 0x0024
>
> /* Misc defines */
> -#define TW_ALIGNMENT 0x200 /* 16 D-WORDS */
> +#define TW_ALIGNMENT_6000 64 /* 64 bytes */
> +#define TW_ALIGNMENT_7000 4 /* 4 bytes */
> #define TW_MAX_UNITS 16
> #define TW_COMMAND_ALIGNMENT_MASK 0x1ff
> #define TW_INIT_MESSAGE_CREDITS 0x100
> @@ -179,7 +209,6 @@
> #define TW_ATA_PASS_SGL_MAX 60
> #define TW_MAX_PASSTHRU_BYTES 4096
> #define TW_Q_LENGTH 256
> -#define TW_MAX_BOUNCEBUF 16
> #define TW_Q_START 0
> #define TW_MAX_SLOT 32
> #define TW_MAX_PCI_BUSES 255
> @@ -191,12 +220,9 @@
> #define TW_MAX_AEN_TRIES 100
> #define TW_UNIT_ONLINE 1
> #define TW_IN_INTR 1
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,7)
> #define TW_MAX_SECTORS 256
> -#else
> -#define TW_MAX_SECTORS 128
> -#endif
> #define TW_AEN_WAIT_TIME 1000
> +#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
>
> /* Macros */
> #define TW_STATUS_ERRORS(x) \
> @@ -262,7 +288,6 @@
> } TW_Command;
>
> typedef struct TAG_TW_Ioctl {
> - int buffer;
> unsigned char opcode;
> unsigned short table_id;
> unsigned char parameter_id;
> @@ -345,11 +370,8 @@
> TW_Registers registers;
> u32 *alignment_virtual_address[TW_Q_LENGTH];
> u32 alignment_physical_address[TW_Q_LENGTH];
> - u32 *bounce_buffer[TW_Q_LENGTH];
> int is_unit_present[TW_MAX_UNITS];
> - int is_raid_five[TW_MAX_UNITS];
> int num_units;
> - int num_raid_five;
> u32 *command_packet_virtual_address[TW_Q_LENGTH];
> u32 command_packet_physical_address[TW_Q_LENGTH];
> struct pci_dev *tw_pci_dev;
> @@ -381,22 +403,24 @@
> unsigned char aen_head;
> unsigned char aen_tail;
> long flags; /* long req'd for set_bit --RR */
> + char *ioctl_data[TW_Q_LENGTH];
> } TW_Device_Extension;
>
> /* Function prototypes */
> int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id);
> int tw_aen_drain_queue(TW_Device_Extension *tw_dev);
> int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
> -int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which);
> +int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which);
> int tw_check_bits(u32 status_reg_value);
> int tw_check_errors(TW_Device_Extension *tw_dev);
> void tw_clear_attention_interrupt(TW_Device_Extension *tw_dev);
> void tw_clear_host_interrupt(TW_Device_Extension *tw_dev);
> void tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value);
> -void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit);
> +void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense);
> void tw_disable_interrupts(TW_Device_Extension *tw_dev);
> int tw_empty_response_que(TW_Device_Extension *tw_dev);
> void tw_enable_interrupts(TW_Device_Extension *tw_dev);
> +void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev);
> int tw_findcards(Scsi_Host_Template *tw_host);
> void tw_free_device_extension(TW_Device_Extension *tw_dev);
> int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits);
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
HELLO ADAM,
The fixes you posted for the 3Ware drivers (AEN drain). Would they affect
the problems I reported this morning.
Thanks
Jeff
On Wed, Feb 27, 2002 at 02:45:04PM -0700, [email protected] wrote:
> Alan,
>
> Please apply this patch for kernel 2.5.6-pre2 for the 3ware driver to
> support the new DMA mapping code, and several other fixes.
>
> Thanks.
>
> --
> Adam Radford
> Software Engineer
> 3ware, Inc.
>
> diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c
> --- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c Tue Feb 19 18:11:00 2002
> +++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c Wed Feb 27 11:53:49 2002
> @@ -6,7 +6,7 @@
> Arnaldo Carvalho de Melo <[email protected]>
> Brad Strand <[email protected]>
>
> - Copyright (C) 1999-2001 3ware Inc.
> + Copyright (C) 1999-2002 3ware Inc.
>
> Kernel compatablity By: Andre Hedrick <[email protected]>
> Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
> @@ -106,17 +106,41 @@
> Add entire aen code string list.
> 1.02.00.010 - Cleanup queueing code, fix jbod thoughput.
> Fix get_param for specific units.
> + 1.02.00.011 - Fix bug in tw_aen_complete() where aen's could be lost.
> + Fix tw_aen_drain_queue() to display useful info at init.
> + Set tw_host->max_id for 12 port cards.
> + Add ioctl support for raw command packet post from userspace
> + with sglist fragments (parameter and io).
> + 1.02.00.012 - Fix read capacity to under report by 1 sector to fix get
> + last sector ioctl.
> + 1.02.00.013 - Fix bug where more AEN codes weren't coming out during
> + driver initialization.
> + Improved handling of PCI aborts.
> + 1.02.00.014 - Fix bug in tw_findcards() where AEN code could be lost.
> + Increase timeout in tw_aen_drain_queue() to 30 seconds.
> + 1.02.00.015 - Re-write raw command post with data ioctl method.
> + Remove raid5 bounce buffers for raid5 for 6XXX for kernel 2.5
> + Add tw_map/unmap_scsi_sg/single_data() for kernel 2.5
> + Replace io_request_lock with host_lock for kernel 2.5
> + Set max_cmd_len to 16 for 3dm for kernel 2.5
> + 1.02.00.016 - Set host->max_sectors back up to 256.
> + 1.02.00.017 - Modified pci parity error handling/clearing from config space
> + during initialization.
> + 1.02.00.018 - Better handling of request sense opcode and sense information
> + for failed commands. Add tw_decode_sense().
> + Replace all mdelay()'s with scsi_sleep().
> + 1.02.00.019 - Revert mdelay's and scsi_sleep's, this caused problems on
> + some SMP systems.
> + 1.02.00.020 - Add pci_set_dma_mask(), rewrite kmalloc()/virt_to_bus() to
> + pci_alloc/free_consistent().
> */
>
> -#error Please convert me to Documentation/DMA-mapping.txt
> -
> #include <linux/module.h>
>
> MODULE_AUTHOR ("3ware Inc.");
> MODULE_DESCRIPTION ("3ware Storage Controller Linux Driver");
> MODULE_LICENSE("GPL");
>
> -
> #include <linux/kernel.h>
> #include <linux/pci.h>
> #include <linux/time.h>
> @@ -148,14 +172,17 @@
> static void tw_copy_mem_info(TW_Info *info, char *data, int len);
> static void tw_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
> static int tw_halt(struct notifier_block *nb, ulong event, void *buf);
> +static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
> +static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
> +static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
>
> /* Notifier block to get a notify on system shutdown/halt/reboot */
> static struct notifier_block tw_notifier = {
> - tw_halt, NULL, 0
> + tw_halt, NULL, 0
> };
>
> /* Globals */
> -char *tw_driver_version="1.02.00.010";
> +char *tw_driver_version="1.02.00.020";
> TW_Device_Extension *tw_device_extension_list[TW_MAX_SLOT];
> int tw_device_extension_count = 0;
>
> @@ -166,6 +193,7 @@
> {
> TW_Param *param;
> unsigned short aen;
> + int error = 0;
>
> dprintk(KERN_WARNING "3w-xxxx: tw_aen_complete()\n");
> if (tw_dev->alignment_virtual_address[request_id] == NULL) {
> @@ -184,12 +212,15 @@
> if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
> printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s%d.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff], aen >> 8);
> } else {
> - printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
> + if (aen != 0x0)
> + printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
> }
> - } else
> + } else {
> printk(KERN_WARNING "3w-xxxx: scsi%d: Received AEN %d.\n", tw_dev->host->host_no, aen);
> + }
> }
> - tw_dev->aen_count++;
> + if (aen != 0x0)
> + tw_dev->aen_count++;
>
> /* Now queue the code */
> tw_dev->aen_queue[tw_dev->aen_tail] = aen;
> @@ -205,8 +236,18 @@
> tw_dev->aen_head = tw_dev->aen_head + 1;
> }
> }
> - tw_dev->state[request_id] = TW_S_COMPLETED;
> - tw_state_request_finish(tw_dev, request_id);
> +
> + if (aen != TW_AEN_QUEUE_EMPTY) {
> + error = tw_aen_read_queue(tw_dev, request_id);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing AEN.\n", tw_dev->host->host_no);
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + }
> + } else {
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + }
>
> return 0;
> } /* End tw_aen_complete() */
> @@ -237,10 +278,11 @@
> status_reg_addr = tw_dev->registers.status_reg_addr;
> response_que_addr = tw_dev->registers.response_que_addr;
>
> - if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 15)) {
> + if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 30)) {
> dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): No attention interrupt for card %d.\n", tw_device_extension_count);
> return 1;
> }
> + tw_clear_attention_interrupt(tw_dev);
>
> /* Initialize command packet */
> if (tw_dev->command_packet_virtual_address[request_id] == NULL) {
> @@ -288,7 +330,7 @@
> do {
> /* Post command packet */
> outl(command_que_value, command_que_addr);
> -
> +
> /* Now poll for completion */
> for (i=0;i<imax;i++) {
> mdelay(5);
> @@ -311,8 +353,7 @@
> if (command_packet->status != 0) {
> if (command_packet->flags != TW_AEN_TABLE_UNDEFINED) {
> /* Bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> } else {
> /* We know this is a 3w-1x00, and doesn't support aen's */
> @@ -326,7 +367,7 @@
> queue = 0;
> switch (aen_code) {
> case TW_AEN_QUEUE_EMPTY:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_EMPTY.\n");
> + dprintk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> if (first_reset != 1) {
> continue;
> } else {
> @@ -334,51 +375,28 @@
> }
> break;
> case TW_AEN_SOFT_RESET:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_SOFT_RESET.\n");
> if (first_reset == 0) {
> first_reset = 1;
> } else {
> + printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> + tw_dev->aen_count++;
> queue = 1;
> }
> break;
> - case TW_AEN_DEGRADED_MIRROR:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_DEGRADED_MIRROR.\n");
> - queue = 1;
> - break;
> - case TW_AEN_CONTROLLER_ERROR:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_CONTROLLER_ERROR.\n");
> - queue = 1;
> - break;
> - case TW_AEN_REBUILD_FAIL:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_FAIL.\n");
> - queue = 1;
> - break;
> - case TW_AEN_REBUILD_DONE:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_DONE.\n");
> - queue = 1;
> - break;
> - case TW_AEN_QUEUE_FULL:
> - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_FULL.\n");
> - queue = 1;
> - break;
> - case TW_AEN_APORT_TIMEOUT:
> - printk(KERN_WARNING "3w-xxxx: Received drive timeout AEN on port %d, check drive and drive cables.\n", aen >> 8);
> - queue = 1;
> - break;
> - case TW_AEN_DRIVE_ERROR:
> - printk(KERN_WARNING "3w-xxxx: Received drive error AEN on port %d, check/replace cabling, or possible bad drive.\n", aen >> 8);
> - queue = 1;
> - break;
> - case TW_AEN_SMART_FAIL:
> - printk(KERN_WARNING "3w-xxxx: Received S.M.A.R.T. threshold AEN on port %d, check drive/cooling, or possible bad drive.\n", aen >> 8);
> - queue = 1;
> - break;
> - case TW_AEN_SBUF_FAIL:
> - printk(KERN_WARNING "3w-xxxx: Received SBUF integrity check failure AEN, reseat card or bad card.\n");
> - queue = 1;
> - break;
> default:
> - dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Unknown AEN code 0x%x.\n", aen_code);
> + if (aen == 0x0ff) {
> + printk(KERN_WARNING "3w-xxxx: AEN: AEN queue overflow.\n");
> + } else {
> + if ((aen & 0x0ff) < TW_AEN_STRING_MAX) {
> + if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
> + printk(KERN_WARNING "3w-xxxx: AEN: %s%d.\n", tw_aen_string[aen & 0xff], aen >> 8);
> + } else {
> + printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> + }
> + } else
> + printk(KERN_WARNING "3w-xxxx: Received AEN %d.\n", aen);
> + }
> + tw_dev->aen_count++;
> queue = 1;
> }
>
> @@ -488,40 +506,44 @@
> return 0;
> } /* End tw_aen_read_queue() */
>
> -/* This function will allocate memory and check if it is 16 d-word aligned */
> -int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which)
> +/* This function will allocate memory */
> +int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
> {
> - u32 *virt_addr = kmalloc(size, GFP_ATOMIC);
> + int i;
> + dma_addr_t dma_handle;
> + u32 *cpu_addr = NULL;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_allocate_memory()\n");
>
> - if (!virt_addr) {
> - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): kmalloc() failed.\n");
> - return 1;
> - }
> + for (i=0;i<TW_Q_LENGTH;i++) {
> + cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size, &dma_handle);
> + if (cpu_addr == NULL) {
> + printk(KERN_WARNING "3w-xxxx: pci_alloc_consistent() failed.\n");
> + return 1;
> + }
>
> - if ((u32)virt_addr % TW_ALIGNMENT) {
> - kfree(virt_addr);
> - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): Found unaligned address.\n");
> - return 1;
> - }
> + if ((u32)cpu_addr % (tw_dev->tw_pci_dev->device == TW_DEVICE_ID ? TW_ALIGNMENT_6000 : TW_ALIGNMENT_7000)) {
> + printk(KERN_WARNING "3w-xxxx: Couldn't allocate correctly aligned memory.\n");
> + return 1;
> + }
>
> - switch(which) {
> - case 0:
> - tw_dev->command_packet_virtual_address[request_id] = virt_addr;
> - tw_dev->command_packet_physical_address[request_id] = virt_to_bus(virt_addr);
> - break;
> - case 1:
> - tw_dev->alignment_virtual_address[request_id] = virt_addr;
> - tw_dev->alignment_physical_address[request_id] = virt_to_bus(virt_addr);
> - break;
> - case 2:
> - tw_dev->bounce_buffer[request_id] = virt_addr;
> - break;
> - default:
> - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
> - return 1;
> + switch(which) {
> + case 0:
> + tw_dev->command_packet_virtual_address[i] = cpu_addr;
> + tw_dev->command_packet_physical_address[i] = dma_handle;
> + memset(tw_dev->command_packet_virtual_address[i], 0, size);
> + break;
> + case 1:
> + tw_dev->alignment_virtual_address[i] = cpu_addr;
> + tw_dev->alignment_physical_address[i] = dma_handle;
> + memset(tw_dev->alignment_virtual_address[i], 0, size);
> + break;
> + default:
> + printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
> + return 1;
> + }
> }
> +
> return 0;
> } /* End tw_allocate_memory() */
>
> @@ -548,8 +570,10 @@
> status_reg_addr = tw_dev->registers.status_reg_addr;
> status_reg_value = inl(status_reg_addr);
>
> - if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value))
> + if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value)) {
> + tw_decode_bits(tw_dev, status_reg_value);
> return 1;
> + }
>
> return 0;
> } /* End tw_check_errors() */
> @@ -614,37 +638,62 @@
> dprintk(KERN_WARNING "3w-xxxx: tw_decode_bits()\n");
> switch (status_reg_value & TW_STATUS_UNEXPECTED_BITS) {
> case TW_STATUS_PCI_PARITY_ERROR:
> - printk(KERN_WARNING "3w-xxxx: PCI Parity Error: Reseat card, move card, or buggy device on the bus.\n");
> + printk(KERN_WARNING "3w-xxxx: PCI Parity Error: clearing.\n");
> outl(TW_CONTROL_CLEAR_PARITY_ERROR, tw_dev->registers.control_reg_addr);
> - pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PARITY_ERRORS);
> break;
> case TW_STATUS_MICROCONTROLLER_ERROR:
> printk(KERN_WARNING "3w-xxxx: Microcontroller Error.\n");
> break;
> + case TW_STATUS_PCI_ABORT:
> + printk(KERN_WARNING "3w-xxxx: PCI Abort: clearing.\n");
> + outl(TW_CONTROL_CLEAR_PCI_ABORT, tw_dev->registers.control_reg_addr);
> + pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PCI_ABORT);
> + break;
> }
> } /* End tw_decode_bits() */
>
> -/* This function will print readable messages from flags and status values */
> -void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit)
> +/* This function will return valid sense buffer information for failed cmds */
> +void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense)
> {
> - dprintk(KERN_WARNING "3w-xxxx: tw_decode_error()\n");
> - switch (status) {
> - case 0xc7:
> - switch (flags) {
> - case 0x1b:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Drive timeout on unit %d, check drive and drive cables.\n", tw_dev->host->host_no, unit);
> - break;
> - case 0x51:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Unrecoverable drive error on unit %d, check/replace cabling, or possible bad drive.\n", tw_dev->host->host_no, unit);
> - break;
> - default:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
> + int i, found=0;
> + TW_Command *command;
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_decode_sense()\n");
> + command = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> +
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Command failed: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, command->status, command->flags, command->byte3.unit);
> +
> + /* Attempt to return intelligent sense information */
> + if (fill_sense) {
> + if ((command->status == 0xc7) || (command->status == 0xcb)) {
> + for (i=0;i<(sizeof(tw_sense_table)/sizeof(tw_sense_table[0]));i++) {
> + if (command->flags == tw_sense_table[i][0]) {
> + found=1;
> +
> + /* Valid bit and 'current errors' */
> + tw_dev->srb[request_id]->sense_buffer[0] = (0x1 << 7 | 0x70);
> +
> + /* Sense key */
> + tw_dev->srb[request_id]->sense_buffer[2] = tw_sense_table[i][1];
> +
> + /* Additional sense length */
> + tw_dev->srb[request_id]->sense_buffer[7] = 0xa; /* 10 bytes */
> +
> + /* Additional sense code */
> + tw_dev->srb[request_id]->sense_buffer[12] = tw_sense_table[i][2];
> +
> + /* Additional sense code qualifier */
> + tw_dev->srb[request_id]->sense_buffer[13] = tw_sense_table[i][3];
> +
> + tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
> + }
> + }
> }
> - break;
> - default:
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
> + /* If no table match, error so we get a reset */
> + if (found == 0)
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> }
> -} /* End tw_decode_error() */
> +} /* End tw_decode_sense() */
>
> /* This function will disable interrupts on the controller */
> void tw_disable_interrupts(TW_Device_Extension *tw_dev)
> @@ -691,11 +740,22 @@
> u32 control_reg_value, control_reg_addr;
>
> control_reg_addr = tw_dev->registers.control_reg_addr;
> + control_reg_value = (TW_CONTROL_ENABLE_INTERRUPTS |
> + TW_CONTROL_UNMASK_RESPONSE_INTERRUPT);
> + outl(control_reg_value, control_reg_addr);
> +} /* End tw_enable_interrupts() */
> +
> +/* This function will enable interrupts on the controller */
> +void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev)
> +{
> + u32 control_reg_value, control_reg_addr;
> +
> + control_reg_addr = tw_dev->registers.control_reg_addr;
> control_reg_value = (TW_CONTROL_CLEAR_ATTENTION_INTERRUPT |
> TW_CONTROL_UNMASK_RESPONSE_INTERRUPT |
> TW_CONTROL_ENABLE_INTERRUPTS);
> outl(control_reg_value, control_reg_addr);
> -} /* End tw_enable_interrupts() */
> +} /* End tw_enable_and_clear_interrupts() */
>
> /* This function will find and initialize all cards */
> int tw_findcards(Scsi_Host_Template *tw_host)
> @@ -716,6 +776,13 @@
> while ((tw_pci_dev = pci_find_device(TW_VENDOR_ID, device[i], tw_pci_dev))) {
> if (pci_enable_device(tw_pci_dev))
> continue;
> +
> + /* We only need 32-bit addressing for 5,6,7xxx cards */
> + if (pci_set_dma_mask(tw_pci_dev, 0xffffffff)) {
> + printk(KERN_WARNING "3w-xxxx: No suitable DMA available.\n");
> + continue;
> + }
> +
> /* Prepare temporary device extension */
> tw_dev=(TW_Device_Extension *)kmalloc(sizeof(TW_Device_Extension), GFP_ATOMIC);
> if (tw_dev == NULL) {
> @@ -724,6 +791,9 @@
> }
> memset(tw_dev, 0, sizeof(TW_Device_Extension));
>
> + /* Save pci_dev struct to device extension */
> + tw_dev->tw_pci_dev = tw_pci_dev;
> +
> error = tw_initialize_device_extension(tw_dev);
> if (error) {
> printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initialize device extension for card %d.\n", numcards);
> @@ -738,8 +808,6 @@
> tw_dev->registers.status_reg_addr = pci_resource_start(tw_pci_dev, 0) + 0x4;
> tw_dev->registers.command_que_addr = pci_resource_start(tw_pci_dev, 0) + 0x8;
> tw_dev->registers.response_que_addr = pci_resource_start(tw_pci_dev, 0) + 0xC;
> - /* Save pci_dev struct to device extension */
> - tw_dev->tw_pci_dev = tw_pci_dev;
>
> /* Check for errors and clear them */
> status_reg_value = inl(tw_dev->registers.status_reg_addr);
> @@ -763,14 +831,14 @@
>
> error = tw_aen_drain_queue(tw_dev);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): No attention interrupt for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: AEN drain failed for card %d.\n", numcards);
> tries++;
> continue;
> }
>
> /* Check for controller errors */
> if (tw_check_errors(tw_dev)) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller errors found, soft resetting card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Controller errors found, retrying for card %d.\n", numcards);
> tries++;
> continue;
> }
> @@ -778,7 +846,7 @@
> /* Empty the response queue */
> error = tw_empty_response_que(tw_dev);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't empty response queue for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Couldn't empty response queue, retrying for card %d.\n", numcards);
> tries++;
> continue;
> }
> @@ -788,7 +856,7 @@
> }
>
> if (tries >= TW_MAX_RESET_TRIES) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller error or no attention interrupt: giving up for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Controller errors, card not responding, check all cabling for card %d.\n", numcards);
> tw_free_device_extension(tw_dev);
> kfree(tw_dev);
> continue;
> @@ -818,7 +886,7 @@
>
> error = tw_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initconnection for card %d.\n", numcards);
> + printk(KERN_WARNING "3w-xxxx: Connection initialization failed for card %d.\n", numcards);
> release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> tw_free_device_extension(tw_dev);
> kfree(tw_dev);
> @@ -827,29 +895,28 @@
>
> /* Calculate max cmds per lun, and setup queues */
> if (tw_dev->num_units > 0) {
> - if ((tw_dev->num_raid_five > 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
> - tw_host->cmd_per_lun = (TW_MAX_BOUNCEBUF-1)/tw_dev->num_units;
> - tw_dev->free_head = TW_Q_START;
> - tw_dev->free_tail = TW_MAX_BOUNCEBUF - 1;
> - tw_dev->free_wrap = TW_MAX_BOUNCEBUF - 1;
> - } else {
> - tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
> - tw_dev->free_head = TW_Q_START;
> - tw_dev->free_tail = TW_Q_LENGTH - 1;
> - tw_dev->free_wrap = TW_Q_LENGTH - 1;
> - }
> + tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
> + tw_dev->free_head = TW_Q_START;
> + tw_dev->free_tail = TW_Q_LENGTH - 1;
> + tw_dev->free_wrap = TW_Q_LENGTH - 1;
> }
>
> - /* Register the card with the kernel SCSI layer */
> + /* Register the card with the kernel SCSI layer */
> host = scsi_register(tw_host, sizeof(TW_Device_Extension));
> if (host == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards-1);
> + printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards);
> release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> tw_free_device_extension(tw_dev);
> kfree(tw_dev);
> continue;
> }
>
> + /* Set max target id's */
> + host->max_id = TW_MAX_UNITS;
> +
> + /* Set max cdb size in bytes */
> + host->max_cmd_len = 16;
> +
> /* Set max sectors per io */
> #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,7)
> host->max_sectors = TW_MAX_SECTORS;
> @@ -874,7 +941,7 @@
> tw_device_extension_count = numcards;
> tw_dev2->host = host;
> } else {
> - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards-1);
> + printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards);
> scsi_unregister(host);
> release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> tw_free_device_extension(tw_dev);
> @@ -924,15 +991,10 @@
> /* Free command packet and generic buffer memory */
> for (i=0;i<TW_Q_LENGTH;i++) {
> if (tw_dev->command_packet_virtual_address[i])
> - kfree(tw_dev->command_packet_virtual_address[i]);
> + pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->command_packet_virtual_address[i], tw_dev->command_packet_physical_address[i]);
>
> if (tw_dev->alignment_virtual_address[i])
> - kfree(tw_dev->alignment_virtual_address[i]);
> -
> - }
> - for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
> - if (tw_dev->bounce_buffer[i])
> - kfree(tw_dev->bounce_buffer[i]);
> + pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->alignment_virtual_address[i], tw_dev->alignment_physical_address[i]);
> }
> } /* End tw_free_device_extension() */
>
> @@ -1015,8 +1077,7 @@
> }
> if (command_packet->status != 0) {
> /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_initconnection(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> }
> break; /* Response was okay, so we exit */
> @@ -1028,57 +1089,33 @@
> /* This function will initialize the fields of a device extension */
> int tw_initialize_device_extension(TW_Device_Extension *tw_dev)
> {
> - int i, imax;
> + int i, error=0;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_device_extension()\n");
> - imax = TW_Q_LENGTH;
>
> - for (i=0; i<imax; i++) {
> - /* Initialize command packet buffers */
> - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 0);
> - if (tw_dev->command_packet_virtual_address[i] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad command packet virtual address.\n");
> - return 1;
> - }
> - memset(tw_dev->command_packet_virtual_address[i], 0, sizeof(TW_Sector));
> -
> - /* Initialize generic buffer */
> - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 1);
> - if (tw_dev->alignment_virtual_address[i] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad alignment virtual address.\n");
> - return 1;
> - }
> - memset(tw_dev->alignment_virtual_address[i], 0, sizeof(TW_Sector));
> + /* Initialize command packet buffers */
> + error = tw_allocate_memory(tw_dev, sizeof(TW_Command), 0);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: Command packet memory allocation failed.\n");
> + return 1;
> + }
>
> - tw_dev->free_queue[i] = i;
> - tw_dev->state[i] = TW_S_INITIAL;
> - tw_dev->ioctl_size[i] = 0;
> - tw_dev->aen_queue[i] = 0;
> + /* Initialize generic buffer */
> + error = tw_allocate_memory(tw_dev, sizeof(TW_Sector), 1);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: Generic memory allocation failed.\n");
> + return 1;
> }
>
> - for (i=0;i<TW_MAX_UNITS;i++) {
> - tw_dev->is_unit_present[i] = 0;
> - tw_dev->is_raid_five[i] = 0;
> + for (i=0;i<TW_Q_LENGTH;i++) {
> + tw_dev->free_queue[i] = i;
> + tw_dev->state[i] = TW_S_INITIAL;
> }
>
> - tw_dev->num_units = 0;
> - tw_dev->num_aborts = 0;
> - tw_dev->num_resets = 0;
> - tw_dev->posted_request_count = 0;
> - tw_dev->max_posted_request_count = 0;
> - tw_dev->max_sgl_entries = 0;
> - tw_dev->sgl_entries = 0;
> - tw_dev->host = NULL;
> tw_dev->pending_head = TW_Q_START;
> tw_dev->pending_tail = TW_Q_START;
> - tw_dev->aen_head = 0;
> - tw_dev->aen_tail = 0;
> - tw_dev->sector_count = 0;
> - tw_dev->max_sector_count = 0;
> - tw_dev->aen_count = 0;
> - tw_dev->num_raid_five = 0;
> spin_lock_init(&tw_dev->tw_lock);
> - tw_dev->flags = 0;
> +
> return 0;
> } /* End tw_initialize_device_extension() */
>
> @@ -1089,14 +1126,13 @@
> unsigned char request_id = 0;
> TW_Command *command_packet;
> TW_Param *param;
> - int i, j, imax, num_units = 0, num_raid_five = 0;
> + int i, imax, num_units = 0;
> u32 status_reg_addr, status_reg_value;
> u32 command_que_addr, command_que_value;
> u32 response_que_addr;
> TW_Response_Queue response_queue;
> u32 param_value;
> unsigned char *is_unit_present;
> - unsigned char *raid_level;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_units()\n");
>
> @@ -1168,8 +1204,7 @@
> }
> if (command_packet->status != 0) {
> /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> }
> found = 1;
> @@ -1205,109 +1240,6 @@
> return 1;
> }
>
> - /* Find raid 5 arrays */
> - for (j=0;j<TW_MAX_UNITS;j++) {
> - if (tw_dev->is_unit_present[j] == 0)
> - continue;
> - command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> - if (command_packet == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet virtual address.\n");
> - return 1;
> - }
> - memset(command_packet, 0, sizeof(TW_Sector));
> - command_packet->byte0.opcode = TW_OP_GET_PARAM;
> - command_packet->byte0.sgl_offset = 2;
> - command_packet->size = 4;
> - command_packet->request_id = request_id;
> - command_packet->byte3.unit = 0;
> - command_packet->byte3.host_id = 0;
> - command_packet->status = 0;
> - command_packet->flags = 0;
> - command_packet->byte6.block_count = 1;
> -
> - /* Now setup the param */
> - if (tw_dev->alignment_virtual_address[request_id] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment virtual address.\n");
> - return 1;
> - }
> - param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> - memset(param, 0, sizeof(TW_Sector));
> - param->table_id = 0x300+j; /* unit summary table */
> - param->parameter_id = 0x6; /* unit descriptor */
> - param->parameter_size_bytes = 0xc;
> - param_value = tw_dev->alignment_physical_address[request_id];
> - if (param_value == 0) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment physical address.\n");
> - return 1;
> - }
> -
> - command_packet->byte8.param.sgl[0].address = param_value;
> - command_packet->byte8.param.sgl[0].length = sizeof(TW_Sector);
> -
> - /* Post the command packet to the board */
> - command_que_value = tw_dev->command_packet_physical_address[request_id];
> - if (command_que_value == 0) {
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet physical address.\n");
> - return 1;
> - }
> - outl(command_que_value, command_que_addr);
> -
> - /* Poll for completion */
> - imax = TW_POLL_MAX_RETRIES;
> - for(i=0; i<imax; i++) {
> - mdelay(5);
> - status_reg_value = inl(status_reg_addr);
> - if (tw_check_bits(status_reg_value)) {
> - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected bits.\n");
> - tw_decode_bits(tw_dev, status_reg_value);
> - return 1;
> - }
> - if ((status_reg_value & TW_STATUS_RESPONSE_QUEUE_EMPTY) == 0) {
> - response_queue.value = inl(response_que_addr);
> - request_id = (unsigned char)response_queue.u.response_id;
> - if (request_id != 0) {
> - /* unexpected request id */
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected request id.\n");
> - return 1;
> - }
> - if (command_packet->status != 0) {
> - /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> - return 1;
> - }
> - found = 1;
> - break;
> - }
> - }
> - if (found == 0) {
> - /* response never received */
> - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): No response.\n");
> - return 1;
> - }
> -
> - param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> - raid_level = (unsigned char *)&(param->data[1]);
> - if (*raid_level == 5) {
> - dprintk(KERN_WARNING "3w-xxxx: Found unit %d to be a raid5 unit.\n", j);
> - tw_dev->is_raid_five[j] = 1;
> - num_raid_five++;
> - }
> - }
> - tw_dev->num_raid_five = num_raid_five;
> -
> - /* Now allocate raid5 bounce buffers */
> - if ((num_raid_five != 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
> - for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
> - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector)*TW_MAX_SECTORS, 2);
> - if (tw_dev->bounce_buffer[i] == NULL) {
> - printk(KERN_WARNING "3w-xxxx: Bounce buffer allocation failed.\n");
> - return 1;
> - }
> - memset(tw_dev->bounce_buffer[i], 0, sizeof(TW_Sector)*TW_MAX_SECTORS);
> - }
> - }
> -
> return 0;
> } /* End tw_initialize_units() */
>
> @@ -1332,13 +1264,18 @@
>
> if (tw_dev->tw_pci_dev->irq == irq) {
> spin_lock(&tw_dev->tw_lock);
> - dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt()\n");
> + dprintk(KERN_WARNING "3w-xxxx: tw_interrupt()\n");
>
> /* Read the registers */
> status_reg_addr = tw_dev->registers.status_reg_addr;
> response_que_addr = tw_dev->registers.response_que_addr;
> status_reg_value = inl(status_reg_addr);
>
> + if (tw_check_bits(status_reg_value)) {
> + dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> + tw_decode_bits(tw_dev, status_reg_value);
> + }
> +
> /* Check which interrupt */
> if (status_reg_value & TW_STATUS_HOST_INTERRUPT)
> do_host_interrupt=1;
> @@ -1403,17 +1340,18 @@
> command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> error = 0;
> if (command_packet->status != 0) {
> - dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Bad response, status = 0x%x, flags = 0x%x, unit = 0x%x.\n", command_packet->status, command_packet->flags, command_packet->byte3.unit);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> - error = 1;
> + /* Bad response */
> + if (tw_dev->srb[request_id] != 0)
> + tw_decode_sense(tw_dev, request_id, 1);
> + error = 3;
> }
> if (tw_dev->state[request_id] != TW_S_POSTED) {
> printk(KERN_WARNING "3w-xxxx: scsi%d: Received a request id (%d) (opcode = 0x%x) that wasn't posted.\n", tw_dev->host->host_no, request_id, command_packet->byte0.opcode);
> error = 1;
> }
> if (TW_STATUS_ERRORS(status_reg_value)) {
> - tw_decode_bits(tw_dev, status_reg_value);
> - error = 1;
> + tw_decode_bits(tw_dev, status_reg_value);
> + error = 1;
> }
> dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt(): Response queue request id: %d.\n", request_id);
> /* Check for internal command */
> @@ -1428,7 +1366,7 @@
> dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> tw_decode_bits(tw_dev, status_reg_value);
> }
> - } else {
> + } else {
> switch (tw_dev->srb[request_id]->cmnd[0]) {
> case READ_10:
> case READ_6:
> @@ -1455,18 +1393,23 @@
> tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);
> tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> }
> - if (error) {
> + if (error == 1) {
> /* Tell scsi layer there was an error */
> dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Scsi Error.\n");
> tw_dev->srb[request_id]->result = (DID_RESET << 16);
> - } else {
> + }
> + if (error == 0) {
> /* Tell scsi layer command was a success */
> tw_dev->srb[request_id]->result = (DID_OK << 16);
> }
> - tw_dev->state[request_id] = TW_S_COMPLETED;
> - tw_state_request_finish(tw_dev, request_id);
> - tw_dev->posted_request_count--;
> - tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> + if (error != 2) {
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + tw_dev->posted_request_count--;
> + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> +
> + tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
> + }
> status_reg_value = inl(status_reg_addr);
> if (tw_check_bits(status_reg_value)) {
> dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> @@ -1479,19 +1422,22 @@
> }
> spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
> clear_bit(TW_IN_INTR, &tw_dev->flags);
> -} /* End tw_interrupt() */
> +} /* End tw_interrupt() */
>
> /* This function handles ioctls from userspace to the driver */
> int tw_ioctl(TW_Device_Extension *tw_dev, int request_id)
> {
> unsigned char opcode;
> - int bufflen;
> + int bufflen, error = 0;
> TW_Param *param;
> - TW_Command *command_packet;
> + TW_Command *command_packet, *command_save;
> u32 param_value;
> TW_Ioctl *ioctl = NULL;
> TW_Passthru *passthru = NULL;
> - int tw_aen_code;
> + int tw_aen_code, i, use_sg;
> + char *data_ptr;
> + int total_bytes = 0;
> + dma_addr_t dma_handle;
>
> ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
> if (ioctl == NULL) {
> @@ -1598,7 +1544,7 @@
> printk(KERN_WARNING "3w-xxxx: tw_ioctl(): Passthru size (%ld) too big.\n", passthru->sg_list[0].length);
> return 1;
> }
> - passthru->sg_list[0].address = virt_to_bus(tw_dev->alignment_virtual_address[request_id]);
> + passthru->sg_list[0].address = tw_dev->alignment_physical_address[request_id];
> tw_post_command_packet(tw_dev, request_id);
> return 0;
> case TW_CMD_PACKET:
> @@ -1612,6 +1558,161 @@
> printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
> return 1;
> }
> + case TW_CMD_PACKET_WITH_DATA:
> + dprintk(KERN_WARNING "3w-xxxx: tw_ioctl(): caught TW_CMD_PACKET_WITH_DATA.\n");
> + command_save = (TW_Command *)tw_dev->alignment_virtual_address[request_id];
> + if (command_save == NULL) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad alignment virtual address.\n", tw_dev->host->host_no);
> + return 1;
> + }
> + if (ioctl->data != NULL) {
> + /* Copy down the command packet */
> + memcpy(command_packet, ioctl->data, sizeof(TW_Command));
> + memcpy(command_save, ioctl->data, sizeof(TW_Command));
> + command_packet->request_id = request_id;
> +
> + /* Now deal with the two possible sglists */
> + if (command_packet->byte0.sgl_offset == 2) {
> + use_sg = command_packet->size - 3;
> + for (i=0;i<use_sg;i++)
> + total_bytes+=command_packet->byte8.param.sgl[i].length;
> + tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
> +
> + if (!tw_dev->ioctl_data[request_id]) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): kmalloc failed for request_id %d.\n", tw_dev->host->host_no, request_id);
> + return 1;
> + }
> +
> + /* Copy param sglist into the kernel */
> + data_ptr = tw_dev->ioctl_data[request_id];
> + for (i=0;i<use_sg;i++) {
> + if ((u32 *)command_packet->byte8.param.sgl[i].address != NULL) {
> + error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.param.sgl[i].address, command_packet->byte8.param.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist from userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + data_ptr+=command_packet->byte8.param.sgl[i].length;
> + }
> + command_packet->size = 4;
> + command_packet->byte8.param.sgl[0].address = dma_handle;
> + command_packet->byte8.param.sgl[0].length = total_bytes;
> + }
> + if (command_packet->byte0.sgl_offset == 3) {
> + use_sg = command_packet->size - 4;
> + for (i=0;i<use_sg;i++)
> + total_bytes+=command_packet->byte8.io.sgl[i].length;
> + tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
> +
> + if (!tw_dev->ioctl_data[request_id]) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): pci_alloc_consistent() failed for request_id %d.\n", tw_dev->host->host_no, request_id);
> + return 1;
> + }
> + if (command_packet->byte0.opcode == TW_OP_WRITE) {
> + /* Copy io sglist into the kernel */
> + data_ptr = tw_dev->ioctl_data[request_id];
> + for (i=0;i<use_sg;i++) {
> + if ((u32 *)command_packet->byte8.io.sgl[i].address != NULL) {
> + error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.io.sgl[i].address, command_packet->byte8.io.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist from userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + data_ptr+=command_packet->byte8.io.sgl[i].length;
> + }
> + }
> + command_packet->size = 5;
> + command_packet->byte8.io.sgl[0].address = dma_handle;
> + command_packet->byte8.io.sgl[0].length = total_bytes;
> + }
> +
> + spin_unlock_irq(tw_dev->host->host_lock);
> + spin_unlock_irq(&tw_dev->tw_lock);
> +
> + /* Finally post the command packet */
> + tw_post_command_packet(tw_dev, request_id);
> +
> + mdelay(TW_IOCTL_WAIT_TIME);
> + spin_lock_irq(&tw_dev->tw_lock);
> + spin_lock_irq(tw_dev->host->host_lock);
> +
> + if (signal_pending(current)) {
> + dprintk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Signal pending, aborting ioctl().\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_OK << 16);
> + goto tw_ioctl_bail;
> + }
> +
> + tw_dev->srb[request_id]->result = (DID_OK << 16);
> + /* Now copy up the param or io sglist to userspace */
> + if (command_packet->byte0.sgl_offset == 2) {
> + use_sg = command_save->size - 3;
> + data_ptr = phys_to_virt(command_packet->byte8.param.sgl[0].address);
> + for (i=0;i<use_sg;i++) {
> + if ((u32 *)command_save->byte8.param.sgl[i].address != NULL) {
> + error = copy_to_user((u32 *)command_save->byte8.param.sgl[i].address, data_ptr, command_save->byte8.param.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist to userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.param.sgl[i].length, current->pid);
> + data_ptr+=command_save->byte8.param.sgl[i].length;
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + }
> + }
> + if (command_packet->byte0.sgl_offset == 3) {
> + use_sg = command_save->size - 4;
> + if (command_packet->byte0.opcode == TW_OP_READ) {
> + data_ptr = phys_to_virt(command_packet->byte8.io.sgl[0].address);
> + for(i=0;i<use_sg;i++) {
> + if ((u32 *)command_save->byte8.io.sgl[i].address != NULL) {
> + error = copy_to_user((u32 *)command_save->byte8.io.sgl[i].address, data_ptr, command_save->byte8.io.sgl[i].length);
> + if (error) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist to userspace.\n", tw_dev->host->host_no);
> + goto tw_ioctl_bail;
> + }
> + dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.io.sgl[i].length, current->pid);
> + data_ptr+=command_save->byte8.io.sgl[i].length;
> + } else {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
> + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> + goto tw_ioctl_bail;
> + }
> + }
> + }
> + }
> +
> + tw_ioctl_bail:
> +
> + /* Free up sglist memory */
> + if (tw_dev->ioctl_data[request_id])
> + pci_free_consistent(tw_dev->tw_pci_dev, total_bytes, tw_dev->ioctl_data[request_id], dma_handle);
> + else
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Error freeing ioctl data.\n", tw_dev->host->host_no);
> +
> + /* Now complete the io */
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> + tw_dev->posted_request_count--;
> + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> + return 0;
> + } else {
> + printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
> + return 1;
> + }
> default:
> printk(KERN_WARNING "3w-xxxx: Unknown ioctl 0x%x.\n", opcode);
> tw_dev->state[request_id] = TW_S_COMPLETED;
> @@ -1655,6 +1756,7 @@
> TW_Param *param;
> TW_Ioctl *ioctl = NULL;
> TW_Passthru *passthru = NULL;
> + TW_Command *command_packet;
>
> ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
> dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete()\n");
> @@ -1663,6 +1765,13 @@
> printk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): Request buffer NULL.\n");
> return 1;
> }
> +
> + command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> + if (command_packet == NULL) {
> + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl_complete(): Bad command packet virtual address.\n", tw_dev->host->host_no);
> + return 1;
> + }
> +
> dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete(): Request_bufflen = %d\n", tw_dev->srb[request_id]->request_bufflen);
>
> ioctl = (TW_Ioctl *)buff;
> @@ -1671,6 +1780,9 @@
> passthru = (TW_Passthru *)ioctl->data;
> memcpy(buff, tw_dev->alignment_virtual_address[request_id], passthru->sector_count * 512);
> break;
> + case TW_CMD_PACKET_WITH_DATA:
> + dprintk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): caught TW_CMD_PACKET_WITH_DATA.\n");
> + return 2; /* Special case for isr to not complete io */
> default:
> memset(buff, 0, tw_dev->srb[request_id]->request_bufflen);
> param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> @@ -1684,6 +1796,40 @@
> return 0;
> } /* End tw_ioctl_complete() */
>
> +static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> +{
> + int use_sg;
> + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_sg_data()\n");
> +
> + if (cmd->use_sg == 0)
> + return 0;
> +
> + use_sg = pci_map_sg(pdev, cmd->buffer, cmd->use_sg, dma_dir);
> + cmd->SCp.phase = 2;
> + cmd->SCp.have_data_in = use_sg;
> +
> + return use_sg;
> +} /* End tw_map_scsi_sg_data() */
> +
> +static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> +{
> + dma_addr_t mapping;
> + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_single_data()\n");
> +
> + if (cmd->request_bufflen == 0)
> + return 0;
> +
> + mapping = pci_map_single(pdev, cmd->request_buffer, cmd->request_bufflen, dma_dir);
> + cmd->SCp.phase = 2;
> + cmd->SCp.have_data_in = mapping;
> +
> + return mapping;
> +} /* End tw_map_scsi_single_data() */
> +
> /* This function will mask the command interrupt */
> void tw_mask_command_interrupt(TW_Device_Extension *tw_dev)
> {
> @@ -1704,14 +1850,25 @@
> do_gettimeofday(&before);
> status_reg_value = inl(status_reg_addr);
>
> + if (tw_check_bits(status_reg_value)) {
> + dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
> + tw_decode_bits(tw_dev, status_reg_value);
> + }
> +
> while ((status_reg_value & flag) != flag) {
> status_reg_value = inl(status_reg_addr);
> +
> + if (tw_check_bits(status_reg_value)) {
> + dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
> + tw_decode_bits(tw_dev, status_reg_value);
> + }
> +
> do_gettimeofday(&timeout);
> if (before.tv_sec + seconds < timeout.tv_sec) {
> dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Flag 0x%x not found.\n", flag);
> return 1;
> }
> - mdelay(1);
> + mdelay(5);
> }
> return 0;
> } /* End tw_poll_status() */
> @@ -1787,6 +1944,7 @@
> srb = tw_dev->srb[i];
> srb->result = (DID_RESET << 16);
> tw_dev->srb[i]->scsi_done(tw_dev->srb[i]);
> + tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[i]);
> }
> }
> }
> @@ -1821,7 +1979,7 @@
>
> error = tw_aen_drain_queue(tw_dev);
> if (error) {
> - printk(KERN_WARNING "3w-xxxx: scsi%d: Card not responding, retrying.\n", tw_dev->host->host_no);
> + printk(KERN_WARNING "3w-xxxx: scsi%d: AEN drain failed, retrying.\n", tw_dev->host->host_no);
> tries++;
> continue;
> }
> @@ -1857,7 +2015,7 @@
> }
>
> /* Re-enable interrupts */
> - tw_enable_interrupts(tw_dev);
> + tw_enable_and_clear_interrupts(tw_dev);
>
> return 0;
> } /* End tw_reset_sequence() */
> @@ -2381,6 +2539,9 @@
> capacity = (param_data[3] << 24) | (param_data[2] << 16) |
> (param_data[1] << 8) | param_data[0];
>
> + /* Subtract one sector to fix get last sector ioctl */
> + capacity -= 1;
> +
> dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity_complete(): Capacity = 0x%x.\n", capacity);
>
> /* Number of LBA's */
> @@ -2403,8 +2564,8 @@
> {
> TW_Command *command_packet;
> u32 command_que_addr, command_que_value = 0;
> - u32 lba = 0x0, num_sectors = 0x0;
> - int i, count = 0;
> + u32 lba = 0x0, num_sectors = 0x0, buffaddr = 0x0;
> + int i, use_sg;
> Scsi_Cmnd *srb;
> struct scatterlist *sglist;
>
> @@ -2461,45 +2622,25 @@
> command_packet->byte8.io.lba = lba;
> command_packet->byte6.block_count = num_sectors;
>
> - if ((tw_dev->is_raid_five[tw_dev->srb[request_id]->target] == 0) || (srb->cmnd[0] == READ_6) || (srb->cmnd[0] == READ_10) || (tw_dev->tw_pci_dev->device == TW_DEVICE_ID2)) {
> - /* Do this if there are no sg list entries */
> - if (tw_dev->srb[request_id]->use_sg == 0) {
> - dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
> - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->srb[request_id]->request_buffer);
> - command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> - }
> -
> - /* Do this if we have multiple sg list entries */
> - if (tw_dev->srb[request_id]->use_sg > 0) {
> - for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
> - command_packet->byte8.io.sgl[i].address = virt_to_bus(sglist[i].address);
> - command_packet->byte8.io.sgl[i].length = sglist[i].length;
> - command_packet->size+=2;
> - }
> - if (tw_dev->srb[request_id]->use_sg >= 1)
> - command_packet->size-=2;
> + /* Do this if there are no sg list entries */
> + if (tw_dev->srb[request_id]->use_sg == 0) {
> + dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
> + buffaddr = tw_map_scsi_single_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
> + command_packet->byte8.io.sgl[0].address = buffaddr;
> + command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> + }
> +
> + /* Do this if we have multiple sg list entries */
> + if (tw_dev->srb[request_id]->use_sg > 0) {
> + use_sg = tw_map_scsi_sg_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);;
> + for (i=0;i<use_sg; i++) {
> + command_packet->byte8.io.sgl[i].address = sg_dma_address(&sglist[i]);
> + command_packet->byte8.io.sgl[i].length = sg_dma_len(&sglist[i]);
> + command_packet->size+=2;
> }
> - } else {
> - /* Do this if there are no sg list entries for raid 5 */
> - if (tw_dev->srb[request_id]->use_sg == 0) {
> - dprintk(KERN_WARNING "doing raid 5 write use_sg = 0, bounce_buffer[%d] = 0x%p\n", request_id, tw_dev->bounce_buffer[request_id]);
> - memcpy(tw_dev->bounce_buffer[request_id], tw_dev->srb[request_id]->request_buffer, tw_dev->srb[request_id]->request_bufflen);
> - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
> - command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> - }
> -
> - /* Do this if we have multiple sg list entries for raid 5 */
> - if (tw_dev->srb[request_id]->use_sg > 0) {
> - dprintk(KERN_WARNING "doing raid 5 write use_sg = %d, sglist[0].length = %d\n", tw_dev->srb[request_id]->use_sg, sglist[0].length);
> - for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
> - memcpy((char *)(tw_dev->bounce_buffer[request_id])+count, sglist[i].address, sglist[i].length);
> - count+=sglist[i].length;
> - }
> - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
> - command_packet->byte8.io.sgl[0].length = count;
> - command_packet->size = 5; /* single sgl */
> - }
> - }
> + if (tw_dev->srb[request_id]->use_sg >= 1)
> + command_packet->size-=2;
> + }
>
> /* Update SG statistics */
> tw_dev->sgl_entries = tw_dev->srb[request_id]->use_sg;
> @@ -2521,18 +2662,18 @@
> /* This function will handle the request sense scsi command */
> int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id)
> {
> - dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
> -
> - /* For now we just zero the sense buffer */
> - memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
> - tw_dev->state[request_id] = TW_S_COMPLETED;
> - tw_state_request_finish(tw_dev, request_id);
> -
> - /* If we got a request_sense, we probably want a reset, return error */
> - tw_dev->srb[request_id]->result = (DID_ERROR << 16);
> - tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> -
> - return 0;
> + dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
> +
> + /* For now we just zero the request buffer */
> + memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
> + tw_dev->state[request_id] = TW_S_COMPLETED;
> + tw_state_request_finish(tw_dev, request_id);
> +
> + /* If we got a request_sense, we probably want a reset, return error */
> + tw_dev->srb[request_id]->result = (DID_ERROR << 16);
> + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> +
> + return 0;
> } /* End tw_scsiop_request_sense() */
>
> /* This function will handle test unit ready scsi command */
> @@ -2626,8 +2767,7 @@
> }
> if (command_packet->status != 0) {
> /* bad response */
> - dprintk(KERN_WARNING "3w-xxxx: tw_setfeature(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> + tw_decode_sense(tw_dev, request_id, 0);
> return 1;
> }
> break; /* Response was okay, so we exit */
> @@ -2671,7 +2811,7 @@
> }
>
> /* Re-enable interrupts */
> - tw_enable_interrupts(tw_dev);
> + tw_enable_and_clear_interrupts(tw_dev);
>
> return 0;
> } /* End tw_shutdown_device() */
> @@ -2719,7 +2859,7 @@
> int id = 0;
>
> dprintk(KERN_NOTICE "3w-xxxx: tw_state_request_start()\n");
> -
> +
> /* Obtain next free request_id */
> do {
> if (tw_dev->free_head == tw_dev->free_wrap) {
> @@ -2738,6 +2878,19 @@
> return 0;
> } /* End tw_state_request_start() */
>
> +static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> +{
> + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> +
> + dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
> +
> + if (cmd->use_sg) {
> + pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, dma_dir);
> + } else {
> + pci_unmap_single(pdev, cmd->SCp.have_data_in, cmd->request_bufflen, dma_dir);
> + }
> +} /* End tw_unmap_scsi_data() */
> +
> /* This function will unmask the command interrupt on the controller */
> void tw_unmask_command_interrupt(TW_Device_Extension *tw_dev)
> {
> @@ -2749,7 +2902,6 @@
> } /* End tw_unmask_command_interrupt() */
>
> /* Now get things going */
> -
> static Scsi_Host_Template driver_template = TWXXXX;
> #include "scsi_module.c"
>
> diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h
> --- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h Tue Feb 19 18:10:58 2002
> +++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h Wed Feb 27 11:53:52 2002
> @@ -6,7 +6,7 @@
> Arnaldo Carvalho de Melo <[email protected]>
> Brad Strand <[email protected]>
>
> - Copyright (C) 1999-2001 3ware Inc.
> + Copyright (C) 1999-2002 3ware Inc.
>
> Kernel compatablity By: Andre Hedrick <[email protected]>
> Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
> @@ -62,7 +62,7 @@
> static char *tw_aen_string[] = {
> "AEN queue empty", // 0x000
> "Soft reset occurred", // 0x001
> - "Mirorr degraded: Unit #", // 0x002
> + "Unit degraded: Unit #", // 0x002
> "Controller error", // 0x003
> "Rebuild failed: Unit #", // 0x004
> "Rebuild complete: Unit #", // 0x005
> @@ -90,10 +90,36 @@
> "DCB unsupported version: Port #", // 0x028
> "Verify started: Unit #", // 0x029
> "Verify failed: Port #", // 0x02A
> - "Verify complete: Unit #" // 0x02B
> + "Verify complete: Unit #", // 0x02B
> + "Overwrote bad sector during rebuild: Port #", //0x2C
> + "Encountered bad sector during rebuild: Port #" //0x2D
> };
>
> -#define TW_AEN_STRING_MAX 0x02C
> +#define TW_AEN_STRING_MAX 0x02E
> +
> +/*
> + Sense key lookup table
> + Format: ESDC/flags,SenseKey,AdditionalSenseCode,AdditionalSenseCodeQualifier
> +*/
> +static unsigned char tw_sense_table[][4] =
> +{
> + /* Codes for newer firmware */
> + // ATA Error SCSI Error
> + {0x01, 0x03, 0x13, 0x00}, // Address mark not found Address mark not found for data field
> + {0x04, 0x0b, 0x00, 0x00}, // Aborted command Aborted command
> + {0x10, 0x0b, 0x14, 0x00}, // ID not found Recorded entity not found
> + {0x40, 0x03, 0x11, 0x00}, // Uncorrectable ECC error Unrecovered read error
> + {0x61, 0x04, 0x00, 0x00}, // Device fault Hardware error
> + {0x84, 0x0b, 0x47, 0x00}, // Data CRC error SCSI parity error
> + {0xd0, 0x0b, 0x00, 0x00}, // Device busy Aborted command
> + {0xd1, 0x0b, 0x00, 0x00}, // Device busy Aborted command
> +
> + /* Codes for older firmware */
> + // 3ware Error SCSI Error
> + {0x09, 0x0b, 0x00, 0x00}, // Unrecovered disk error Aborted command
> + {0x37, 0x0b, 0x04, 0x00}, // Unit offline Logical unit not ready
> + {0x51, 0x0b, 0x00, 0x00} // Unspecified Aborted command
> +};
>
> /* Control register bit definitions */
> #define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000
> @@ -108,6 +134,7 @@
> #define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040
> #define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
> #define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000
> +#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000
>
> /* Status register bit definitions */
> #define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000
> @@ -140,6 +167,7 @@
> #define TW_DEVICE_ID2 (0x1001) /* 7000 series controller */
> #define TW_NUMDEVICES 2
> #define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
> +#define TW_PCI_CLEAR_PCI_ABORT 0x2000
>
> /* Command packet opcodes */
> #define TW_OP_NOP 0x0
> @@ -153,6 +181,7 @@
> #define TW_OP_AEN_LISTEN 0x1c
> #define TW_CMD_PACKET 0x1d
> #define TW_ATA_PASSTHRU 0x1e
> +#define TW_CMD_PACKET_WITH_DATA 0x1f
>
> /* Asynchronous Event Notification (AEN) Codes */
> #define TW_AEN_QUEUE_EMPTY 0x0000
> @@ -169,7 +198,8 @@
> #define TW_AEN_SBUF_FAIL 0x0024
>
> /* Misc defines */
> -#define TW_ALIGNMENT 0x200 /* 16 D-WORDS */
> +#define TW_ALIGNMENT_6000 64 /* 64 bytes */
> +#define TW_ALIGNMENT_7000 4 /* 4 bytes */
> #define TW_MAX_UNITS 16
> #define TW_COMMAND_ALIGNMENT_MASK 0x1ff
> #define TW_INIT_MESSAGE_CREDITS 0x100
> @@ -179,7 +209,6 @@
> #define TW_ATA_PASS_SGL_MAX 60
> #define TW_MAX_PASSTHRU_BYTES 4096
> #define TW_Q_LENGTH 256
> -#define TW_MAX_BOUNCEBUF 16
> #define TW_Q_START 0
> #define TW_MAX_SLOT 32
> #define TW_MAX_PCI_BUSES 255
> @@ -191,12 +220,9 @@
> #define TW_MAX_AEN_TRIES 100
> #define TW_UNIT_ONLINE 1
> #define TW_IN_INTR 1
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,7)
> #define TW_MAX_SECTORS 256
> -#else
> -#define TW_MAX_SECTORS 128
> -#endif
> #define TW_AEN_WAIT_TIME 1000
> +#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
>
> /* Macros */
> #define TW_STATUS_ERRORS(x) \
> @@ -262,7 +288,6 @@
> } TW_Command;
>
> typedef struct TAG_TW_Ioctl {
> - int buffer;
> unsigned char opcode;
> unsigned short table_id;
> unsigned char parameter_id;
> @@ -345,11 +370,8 @@
> TW_Registers registers;
> u32 *alignment_virtual_address[TW_Q_LENGTH];
> u32 alignment_physical_address[TW_Q_LENGTH];
> - u32 *bounce_buffer[TW_Q_LENGTH];
> int is_unit_present[TW_MAX_UNITS];
> - int is_raid_five[TW_MAX_UNITS];
> int num_units;
> - int num_raid_five;
> u32 *command_packet_virtual_address[TW_Q_LENGTH];
> u32 command_packet_physical_address[TW_Q_LENGTH];
> struct pci_dev *tw_pci_dev;
> @@ -381,22 +403,24 @@
> unsigned char aen_head;
> unsigned char aen_tail;
> long flags; /* long req'd for set_bit --RR */
> + char *ioctl_data[TW_Q_LENGTH];
> } TW_Device_Extension;
>
> /* Function prototypes */
> int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id);
> int tw_aen_drain_queue(TW_Device_Extension *tw_dev);
> int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
> -int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which);
> +int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which);
> int tw_check_bits(u32 status_reg_value);
> int tw_check_errors(TW_Device_Extension *tw_dev);
> void tw_clear_attention_interrupt(TW_Device_Extension *tw_dev);
> void tw_clear_host_interrupt(TW_Device_Extension *tw_dev);
> void tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value);
> -void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit);
> +void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense);
> void tw_disable_interrupts(TW_Device_Extension *tw_dev);
> int tw_empty_response_que(TW_Device_Extension *tw_dev);
> void tw_enable_interrupts(TW_Device_Extension *tw_dev);
> +void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev);
> int tw_findcards(Scsi_Host_Template *tw_host);
> void tw_free_device_extension(TW_Device_Extension *tw_dev);
> int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits);
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
On Wed, Feb 27, 2002 at 03:58:19PM -0700, Jeff V. Merkey wrote:
Adam,
FYI. We are on a production 2.4.X tree with your drivers, so this is the
tree we need to test with. Having the patch on 2.5.X is great but
not a production kernel. we need these bugs fixed on 2.4.18 also. I
have seen the AEN drain bug on 2.4.18 as well.
Please advise,
Thanks
Jeff
>
>
> HELLO ADAM,
>
> The fixes you posted for the 3Ware drivers (AEN drain). Would they affect
> the problems I reported this morning.
>
> Thanks
>
> Jeff
>
>
>
> On Wed, Feb 27, 2002 at 02:45:04PM -0700, [email protected] wrote:
> > Alan,
> >
> > Please apply this patch for kernel 2.5.6-pre2 for the 3ware driver to
> > support the new DMA mapping code, and several other fixes.
> >
> > Thanks.
> >
> > --
> > Adam Radford
> > Software Engineer
> > 3ware, Inc.
> >
> > diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c
> > --- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.c Tue Feb 19 18:11:00 2002
> > +++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.c Wed Feb 27 11:53:49 2002
> > @@ -6,7 +6,7 @@
> > Arnaldo Carvalho de Melo <[email protected]>
> > Brad Strand <[email protected]>
> >
> > - Copyright (C) 1999-2001 3ware Inc.
> > + Copyright (C) 1999-2002 3ware Inc.
> >
> > Kernel compatablity By: Andre Hedrick <[email protected]>
> > Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
> > @@ -106,17 +106,41 @@
> > Add entire aen code string list.
> > 1.02.00.010 - Cleanup queueing code, fix jbod thoughput.
> > Fix get_param for specific units.
> > + 1.02.00.011 - Fix bug in tw_aen_complete() where aen's could be lost.
> > + Fix tw_aen_drain_queue() to display useful info at init.
> > + Set tw_host->max_id for 12 port cards.
> > + Add ioctl support for raw command packet post from userspace
> > + with sglist fragments (parameter and io).
> > + 1.02.00.012 - Fix read capacity to under report by 1 sector to fix get
> > + last sector ioctl.
> > + 1.02.00.013 - Fix bug where more AEN codes weren't coming out during
> > + driver initialization.
> > + Improved handling of PCI aborts.
> > + 1.02.00.014 - Fix bug in tw_findcards() where AEN code could be lost.
> > + Increase timeout in tw_aen_drain_queue() to 30 seconds.
> > + 1.02.00.015 - Re-write raw command post with data ioctl method.
> > + Remove raid5 bounce buffers for raid5 for 6XXX for kernel 2.5
> > + Add tw_map/unmap_scsi_sg/single_data() for kernel 2.5
> > + Replace io_request_lock with host_lock for kernel 2.5
> > + Set max_cmd_len to 16 for 3dm for kernel 2.5
> > + 1.02.00.016 - Set host->max_sectors back up to 256.
> > + 1.02.00.017 - Modified pci parity error handling/clearing from config space
> > + during initialization.
> > + 1.02.00.018 - Better handling of request sense opcode and sense information
> > + for failed commands. Add tw_decode_sense().
> > + Replace all mdelay()'s with scsi_sleep().
> > + 1.02.00.019 - Revert mdelay's and scsi_sleep's, this caused problems on
> > + some SMP systems.
> > + 1.02.00.020 - Add pci_set_dma_mask(), rewrite kmalloc()/virt_to_bus() to
> > + pci_alloc/free_consistent().
> > */
> >
> > -#error Please convert me to Documentation/DMA-mapping.txt
> > -
> > #include <linux/module.h>
> >
> > MODULE_AUTHOR ("3ware Inc.");
> > MODULE_DESCRIPTION ("3ware Storage Controller Linux Driver");
> > MODULE_LICENSE("GPL");
> >
> > -
> > #include <linux/kernel.h>
> > #include <linux/pci.h>
> > #include <linux/time.h>
> > @@ -148,14 +172,17 @@
> > static void tw_copy_mem_info(TW_Info *info, char *data, int len);
> > static void tw_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
> > static int tw_halt(struct notifier_block *nb, ulong event, void *buf);
> > +static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
> > +static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
> > +static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd);
> >
> > /* Notifier block to get a notify on system shutdown/halt/reboot */
> > static struct notifier_block tw_notifier = {
> > - tw_halt, NULL, 0
> > + tw_halt, NULL, 0
> > };
> >
> > /* Globals */
> > -char *tw_driver_version="1.02.00.010";
> > +char *tw_driver_version="1.02.00.020";
> > TW_Device_Extension *tw_device_extension_list[TW_MAX_SLOT];
> > int tw_device_extension_count = 0;
> >
> > @@ -166,6 +193,7 @@
> > {
> > TW_Param *param;
> > unsigned short aen;
> > + int error = 0;
> >
> > dprintk(KERN_WARNING "3w-xxxx: tw_aen_complete()\n");
> > if (tw_dev->alignment_virtual_address[request_id] == NULL) {
> > @@ -184,12 +212,15 @@
> > if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
> > printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s%d.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff], aen >> 8);
> > } else {
> > - printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
> > + if (aen != 0x0)
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
> > }
> > - } else
> > + } else {
> > printk(KERN_WARNING "3w-xxxx: scsi%d: Received AEN %d.\n", tw_dev->host->host_no, aen);
> > + }
> > }
> > - tw_dev->aen_count++;
> > + if (aen != 0x0)
> > + tw_dev->aen_count++;
> >
> > /* Now queue the code */
> > tw_dev->aen_queue[tw_dev->aen_tail] = aen;
> > @@ -205,8 +236,18 @@
> > tw_dev->aen_head = tw_dev->aen_head + 1;
> > }
> > }
> > - tw_dev->state[request_id] = TW_S_COMPLETED;
> > - tw_state_request_finish(tw_dev, request_id);
> > +
> > + if (aen != TW_AEN_QUEUE_EMPTY) {
> > + error = tw_aen_read_queue(tw_dev, request_id);
> > + if (error) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing AEN.\n", tw_dev->host->host_no);
> > + tw_dev->state[request_id] = TW_S_COMPLETED;
> > + tw_state_request_finish(tw_dev, request_id);
> > + }
> > + } else {
> > + tw_dev->state[request_id] = TW_S_COMPLETED;
> > + tw_state_request_finish(tw_dev, request_id);
> > + }
> >
> > return 0;
> > } /* End tw_aen_complete() */
> > @@ -237,10 +278,11 @@
> > status_reg_addr = tw_dev->registers.status_reg_addr;
> > response_que_addr = tw_dev->registers.response_que_addr;
> >
> > - if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 15)) {
> > + if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT, 30)) {
> > dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): No attention interrupt for card %d.\n", tw_device_extension_count);
> > return 1;
> > }
> > + tw_clear_attention_interrupt(tw_dev);
> >
> > /* Initialize command packet */
> > if (tw_dev->command_packet_virtual_address[request_id] == NULL) {
> > @@ -288,7 +330,7 @@
> > do {
> > /* Post command packet */
> > outl(command_que_value, command_que_addr);
> > -
> > +
> > /* Now poll for completion */
> > for (i=0;i<imax;i++) {
> > mdelay(5);
> > @@ -311,8 +353,7 @@
> > if (command_packet->status != 0) {
> > if (command_packet->flags != TW_AEN_TABLE_UNDEFINED) {
> > /* Bad response */
> > - dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> > - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> > + tw_decode_sense(tw_dev, request_id, 0);
> > return 1;
> > } else {
> > /* We know this is a 3w-1x00, and doesn't support aen's */
> > @@ -326,7 +367,7 @@
> > queue = 0;
> > switch (aen_code) {
> > case TW_AEN_QUEUE_EMPTY:
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_EMPTY.\n");
> > + dprintk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> > if (first_reset != 1) {
> > continue;
> > } else {
> > @@ -334,51 +375,28 @@
> > }
> > break;
> > case TW_AEN_SOFT_RESET:
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_SOFT_RESET.\n");
> > if (first_reset == 0) {
> > first_reset = 1;
> > } else {
> > + printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> > + tw_dev->aen_count++;
> > queue = 1;
> > }
> > break;
> > - case TW_AEN_DEGRADED_MIRROR:
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_DEGRADED_MIRROR.\n");
> > - queue = 1;
> > - break;
> > - case TW_AEN_CONTROLLER_ERROR:
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_CONTROLLER_ERROR.\n");
> > - queue = 1;
> > - break;
> > - case TW_AEN_REBUILD_FAIL:
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_FAIL.\n");
> > - queue = 1;
> > - break;
> > - case TW_AEN_REBUILD_DONE:
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_REBUILD_DONE.\n");
> > - queue = 1;
> > - break;
> > - case TW_AEN_QUEUE_FULL:
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_aen_drain_queue(): Found TW_AEN_QUEUE_FULL.\n");
> > - queue = 1;
> > - break;
> > - case TW_AEN_APORT_TIMEOUT:
> > - printk(KERN_WARNING "3w-xxxx: Received drive timeout AEN on port %d, check drive and drive cables.\n", aen >> 8);
> > - queue = 1;
> > - break;
> > - case TW_AEN_DRIVE_ERROR:
> > - printk(KERN_WARNING "3w-xxxx: Received drive error AEN on port %d, check/replace cabling, or possible bad drive.\n", aen >> 8);
> > - queue = 1;
> > - break;
> > - case TW_AEN_SMART_FAIL:
> > - printk(KERN_WARNING "3w-xxxx: Received S.M.A.R.T. threshold AEN on port %d, check drive/cooling, or possible bad drive.\n", aen >> 8);
> > - queue = 1;
> > - break;
> > - case TW_AEN_SBUF_FAIL:
> > - printk(KERN_WARNING "3w-xxxx: Received SBUF integrity check failure AEN, reseat card or bad card.\n");
> > - queue = 1;
> > - break;
> > default:
> > - dprintk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Unknown AEN code 0x%x.\n", aen_code);
> > + if (aen == 0x0ff) {
> > + printk(KERN_WARNING "3w-xxxx: AEN: AEN queue overflow.\n");
> > + } else {
> > + if ((aen & 0x0ff) < TW_AEN_STRING_MAX) {
> > + if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
> > + printk(KERN_WARNING "3w-xxxx: AEN: %s%d.\n", tw_aen_string[aen & 0xff], aen >> 8);
> > + } else {
> > + printk(KERN_WARNING "3w-xxxx: AEN: %s.\n", tw_aen_string[aen & 0xff]);
> > + }
> > + } else
> > + printk(KERN_WARNING "3w-xxxx: Received AEN %d.\n", aen);
> > + }
> > + tw_dev->aen_count++;
> > queue = 1;
> > }
> >
> > @@ -488,40 +506,44 @@
> > return 0;
> > } /* End tw_aen_read_queue() */
> >
> > -/* This function will allocate memory and check if it is 16 d-word aligned */
> > -int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which)
> > +/* This function will allocate memory */
> > +int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
> > {
> > - u32 *virt_addr = kmalloc(size, GFP_ATOMIC);
> > + int i;
> > + dma_addr_t dma_handle;
> > + u32 *cpu_addr = NULL;
> >
> > dprintk(KERN_NOTICE "3w-xxxx: tw_allocate_memory()\n");
> >
> > - if (!virt_addr) {
> > - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): kmalloc() failed.\n");
> > - return 1;
> > - }
> > + for (i=0;i<TW_Q_LENGTH;i++) {
> > + cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size, &dma_handle);
> > + if (cpu_addr == NULL) {
> > + printk(KERN_WARNING "3w-xxxx: pci_alloc_consistent() failed.\n");
> > + return 1;
> > + }
> >
> > - if ((u32)virt_addr % TW_ALIGNMENT) {
> > - kfree(virt_addr);
> > - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): Found unaligned address.\n");
> > - return 1;
> > - }
> > + if ((u32)cpu_addr % (tw_dev->tw_pci_dev->device == TW_DEVICE_ID ? TW_ALIGNMENT_6000 : TW_ALIGNMENT_7000)) {
> > + printk(KERN_WARNING "3w-xxxx: Couldn't allocate correctly aligned memory.\n");
> > + return 1;
> > + }
> >
> > - switch(which) {
> > - case 0:
> > - tw_dev->command_packet_virtual_address[request_id] = virt_addr;
> > - tw_dev->command_packet_physical_address[request_id] = virt_to_bus(virt_addr);
> > - break;
> > - case 1:
> > - tw_dev->alignment_virtual_address[request_id] = virt_addr;
> > - tw_dev->alignment_physical_address[request_id] = virt_to_bus(virt_addr);
> > - break;
> > - case 2:
> > - tw_dev->bounce_buffer[request_id] = virt_addr;
> > - break;
> > - default:
> > - printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
> > - return 1;
> > + switch(which) {
> > + case 0:
> > + tw_dev->command_packet_virtual_address[i] = cpu_addr;
> > + tw_dev->command_packet_physical_address[i] = dma_handle;
> > + memset(tw_dev->command_packet_virtual_address[i], 0, size);
> > + break;
> > + case 1:
> > + tw_dev->alignment_virtual_address[i] = cpu_addr;
> > + tw_dev->alignment_physical_address[i] = dma_handle;
> > + memset(tw_dev->alignment_virtual_address[i], 0, size);
> > + break;
> > + default:
> > + printk(KERN_WARNING "3w-xxxx: tw_allocate_memory(): case slip in tw_allocate_memory()\n");
> > + return 1;
> > + }
> > }
> > +
> > return 0;
> > } /* End tw_allocate_memory() */
> >
> > @@ -548,8 +570,10 @@
> > status_reg_addr = tw_dev->registers.status_reg_addr;
> > status_reg_value = inl(status_reg_addr);
> >
> > - if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value))
> > + if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value)) {
> > + tw_decode_bits(tw_dev, status_reg_value);
> > return 1;
> > + }
> >
> > return 0;
> > } /* End tw_check_errors() */
> > @@ -614,37 +638,62 @@
> > dprintk(KERN_WARNING "3w-xxxx: tw_decode_bits()\n");
> > switch (status_reg_value & TW_STATUS_UNEXPECTED_BITS) {
> > case TW_STATUS_PCI_PARITY_ERROR:
> > - printk(KERN_WARNING "3w-xxxx: PCI Parity Error: Reseat card, move card, or buggy device on the bus.\n");
> > + printk(KERN_WARNING "3w-xxxx: PCI Parity Error: clearing.\n");
> > outl(TW_CONTROL_CLEAR_PARITY_ERROR, tw_dev->registers.control_reg_addr);
> > - pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PARITY_ERRORS);
> > break;
> > case TW_STATUS_MICROCONTROLLER_ERROR:
> > printk(KERN_WARNING "3w-xxxx: Microcontroller Error.\n");
> > break;
> > + case TW_STATUS_PCI_ABORT:
> > + printk(KERN_WARNING "3w-xxxx: PCI Abort: clearing.\n");
> > + outl(TW_CONTROL_CLEAR_PCI_ABORT, tw_dev->registers.control_reg_addr);
> > + pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PCI_ABORT);
> > + break;
> > }
> > } /* End tw_decode_bits() */
> >
> > -/* This function will print readable messages from flags and status values */
> > -void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit)
> > +/* This function will return valid sense buffer information for failed cmds */
> > +void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense)
> > {
> > - dprintk(KERN_WARNING "3w-xxxx: tw_decode_error()\n");
> > - switch (status) {
> > - case 0xc7:
> > - switch (flags) {
> > - case 0x1b:
> > - printk(KERN_WARNING "3w-xxxx: scsi%d: Drive timeout on unit %d, check drive and drive cables.\n", tw_dev->host->host_no, unit);
> > - break;
> > - case 0x51:
> > - printk(KERN_WARNING "3w-xxxx: scsi%d: Unrecoverable drive error on unit %d, check/replace cabling, or possible bad drive.\n", tw_dev->host->host_no, unit);
> > - break;
> > - default:
> > - printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
> > + int i, found=0;
> > + TW_Command *command;
> > +
> > + dprintk(KERN_WARNING "3w-xxxx: tw_decode_sense()\n");
> > + command = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> > +
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: Command failed: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, command->status, command->flags, command->byte3.unit);
> > +
> > + /* Attempt to return intelligent sense information */
> > + if (fill_sense) {
> > + if ((command->status == 0xc7) || (command->status == 0xcb)) {
> > + for (i=0;i<(sizeof(tw_sense_table)/sizeof(tw_sense_table[0]));i++) {
> > + if (command->flags == tw_sense_table[i][0]) {
> > + found=1;
> > +
> > + /* Valid bit and 'current errors' */
> > + tw_dev->srb[request_id]->sense_buffer[0] = (0x1 << 7 | 0x70);
> > +
> > + /* Sense key */
> > + tw_dev->srb[request_id]->sense_buffer[2] = tw_sense_table[i][1];
> > +
> > + /* Additional sense length */
> > + tw_dev->srb[request_id]->sense_buffer[7] = 0xa; /* 10 bytes */
> > +
> > + /* Additional sense code */
> > + tw_dev->srb[request_id]->sense_buffer[12] = tw_sense_table[i][2];
> > +
> > + /* Additional sense code qualifier */
> > + tw_dev->srb[request_id]->sense_buffer[13] = tw_sense_table[i][3];
> > +
> > + tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
> > + }
> > + }
> > }
> > - break;
> > - default:
> > - printk(KERN_WARNING "3w-xxxx: scsi%d: Controller error: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, status, flags, unit);
> > + /* If no table match, error so we get a reset */
> > + if (found == 0)
> > + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> > }
> > -} /* End tw_decode_error() */
> > +} /* End tw_decode_sense() */
> >
> > /* This function will disable interrupts on the controller */
> > void tw_disable_interrupts(TW_Device_Extension *tw_dev)
> > @@ -691,11 +740,22 @@
> > u32 control_reg_value, control_reg_addr;
> >
> > control_reg_addr = tw_dev->registers.control_reg_addr;
> > + control_reg_value = (TW_CONTROL_ENABLE_INTERRUPTS |
> > + TW_CONTROL_UNMASK_RESPONSE_INTERRUPT);
> > + outl(control_reg_value, control_reg_addr);
> > +} /* End tw_enable_interrupts() */
> > +
> > +/* This function will enable interrupts on the controller */
> > +void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev)
> > +{
> > + u32 control_reg_value, control_reg_addr;
> > +
> > + control_reg_addr = tw_dev->registers.control_reg_addr;
> > control_reg_value = (TW_CONTROL_CLEAR_ATTENTION_INTERRUPT |
> > TW_CONTROL_UNMASK_RESPONSE_INTERRUPT |
> > TW_CONTROL_ENABLE_INTERRUPTS);
> > outl(control_reg_value, control_reg_addr);
> > -} /* End tw_enable_interrupts() */
> > +} /* End tw_enable_and_clear_interrupts() */
> >
> > /* This function will find and initialize all cards */
> > int tw_findcards(Scsi_Host_Template *tw_host)
> > @@ -716,6 +776,13 @@
> > while ((tw_pci_dev = pci_find_device(TW_VENDOR_ID, device[i], tw_pci_dev))) {
> > if (pci_enable_device(tw_pci_dev))
> > continue;
> > +
> > + /* We only need 32-bit addressing for 5,6,7xxx cards */
> > + if (pci_set_dma_mask(tw_pci_dev, 0xffffffff)) {
> > + printk(KERN_WARNING "3w-xxxx: No suitable DMA available.\n");
> > + continue;
> > + }
> > +
> > /* Prepare temporary device extension */
> > tw_dev=(TW_Device_Extension *)kmalloc(sizeof(TW_Device_Extension), GFP_ATOMIC);
> > if (tw_dev == NULL) {
> > @@ -724,6 +791,9 @@
> > }
> > memset(tw_dev, 0, sizeof(TW_Device_Extension));
> >
> > + /* Save pci_dev struct to device extension */
> > + tw_dev->tw_pci_dev = tw_pci_dev;
> > +
> > error = tw_initialize_device_extension(tw_dev);
> > if (error) {
> > printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initialize device extension for card %d.\n", numcards);
> > @@ -738,8 +808,6 @@
> > tw_dev->registers.status_reg_addr = pci_resource_start(tw_pci_dev, 0) + 0x4;
> > tw_dev->registers.command_que_addr = pci_resource_start(tw_pci_dev, 0) + 0x8;
> > tw_dev->registers.response_que_addr = pci_resource_start(tw_pci_dev, 0) + 0xC;
> > - /* Save pci_dev struct to device extension */
> > - tw_dev->tw_pci_dev = tw_pci_dev;
> >
> > /* Check for errors and clear them */
> > status_reg_value = inl(tw_dev->registers.status_reg_addr);
> > @@ -763,14 +831,14 @@
> >
> > error = tw_aen_drain_queue(tw_dev);
> > if (error) {
> > - printk(KERN_WARNING "3w-xxxx: tw_findcards(): No attention interrupt for card %d.\n", numcards);
> > + printk(KERN_WARNING "3w-xxxx: AEN drain failed for card %d.\n", numcards);
> > tries++;
> > continue;
> > }
> >
> > /* Check for controller errors */
> > if (tw_check_errors(tw_dev)) {
> > - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller errors found, soft resetting card %d.\n", numcards);
> > + printk(KERN_WARNING "3w-xxxx: Controller errors found, retrying for card %d.\n", numcards);
> > tries++;
> > continue;
> > }
> > @@ -778,7 +846,7 @@
> > /* Empty the response queue */
> > error = tw_empty_response_que(tw_dev);
> > if (error) {
> > - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't empty response queue for card %d.\n", numcards);
> > + printk(KERN_WARNING "3w-xxxx: Couldn't empty response queue, retrying for card %d.\n", numcards);
> > tries++;
> > continue;
> > }
> > @@ -788,7 +856,7 @@
> > }
> >
> > if (tries >= TW_MAX_RESET_TRIES) {
> > - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Controller error or no attention interrupt: giving up for card %d.\n", numcards);
> > + printk(KERN_WARNING "3w-xxxx: Controller errors, card not responding, check all cabling for card %d.\n", numcards);
> > tw_free_device_extension(tw_dev);
> > kfree(tw_dev);
> > continue;
> > @@ -818,7 +886,7 @@
> >
> > error = tw_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS);
> > if (error) {
> > - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Couldn't initconnection for card %d.\n", numcards);
> > + printk(KERN_WARNING "3w-xxxx: Connection initialization failed for card %d.\n", numcards);
> > release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> > tw_free_device_extension(tw_dev);
> > kfree(tw_dev);
> > @@ -827,29 +895,28 @@
> >
> > /* Calculate max cmds per lun, and setup queues */
> > if (tw_dev->num_units > 0) {
> > - if ((tw_dev->num_raid_five > 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
> > - tw_host->cmd_per_lun = (TW_MAX_BOUNCEBUF-1)/tw_dev->num_units;
> > - tw_dev->free_head = TW_Q_START;
> > - tw_dev->free_tail = TW_MAX_BOUNCEBUF - 1;
> > - tw_dev->free_wrap = TW_MAX_BOUNCEBUF - 1;
> > - } else {
> > - tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
> > - tw_dev->free_head = TW_Q_START;
> > - tw_dev->free_tail = TW_Q_LENGTH - 1;
> > - tw_dev->free_wrap = TW_Q_LENGTH - 1;
> > - }
> > + tw_host->cmd_per_lun = (TW_Q_LENGTH-1)/tw_dev->num_units;
> > + tw_dev->free_head = TW_Q_START;
> > + tw_dev->free_tail = TW_Q_LENGTH - 1;
> > + tw_dev->free_wrap = TW_Q_LENGTH - 1;
> > }
> >
> > - /* Register the card with the kernel SCSI layer */
> > + /* Register the card with the kernel SCSI layer */
> > host = scsi_register(tw_host, sizeof(TW_Device_Extension));
> > if (host == NULL) {
> > - printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards-1);
> > + printk(KERN_WARNING "3w-xxxx: tw_findcards(): scsi_register() failed for card %d.\n", numcards);
> > release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> > tw_free_device_extension(tw_dev);
> > kfree(tw_dev);
> > continue;
> > }
> >
> > + /* Set max target id's */
> > + host->max_id = TW_MAX_UNITS;
> > +
> > + /* Set max cdb size in bytes */
> > + host->max_cmd_len = 16;
> > +
> > /* Set max sectors per io */
> > #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,7)
> > host->max_sectors = TW_MAX_SECTORS;
> > @@ -874,7 +941,7 @@
> > tw_device_extension_count = numcards;
> > tw_dev2->host = host;
> > } else {
> > - printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards-1);
> > + printk(KERN_WARNING "3w-xxxx: tw_findcards(): Bad scsi host data for card %d.\n", numcards);
> > scsi_unregister(host);
> > release_region((tw_dev->tw_pci_dev->resource[0].start), TW_IO_ADDRESS_RANGE);
> > tw_free_device_extension(tw_dev);
> > @@ -924,15 +991,10 @@
> > /* Free command packet and generic buffer memory */
> > for (i=0;i<TW_Q_LENGTH;i++) {
> > if (tw_dev->command_packet_virtual_address[i])
> > - kfree(tw_dev->command_packet_virtual_address[i]);
> > + pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->command_packet_virtual_address[i], tw_dev->command_packet_physical_address[i]);
> >
> > if (tw_dev->alignment_virtual_address[i])
> > - kfree(tw_dev->alignment_virtual_address[i]);
> > -
> > - }
> > - for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
> > - if (tw_dev->bounce_buffer[i])
> > - kfree(tw_dev->bounce_buffer[i]);
> > + pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector), tw_dev->alignment_virtual_address[i], tw_dev->alignment_physical_address[i]);
> > }
> > } /* End tw_free_device_extension() */
> >
> > @@ -1015,8 +1077,7 @@
> > }
> > if (command_packet->status != 0) {
> > /* bad response */
> > - dprintk(KERN_WARNING "3w-xxxx: tw_initconnection(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> > - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> > + tw_decode_sense(tw_dev, request_id, 0);
> > return 1;
> > }
> > break; /* Response was okay, so we exit */
> > @@ -1028,57 +1089,33 @@
> > /* This function will initialize the fields of a device extension */
> > int tw_initialize_device_extension(TW_Device_Extension *tw_dev)
> > {
> > - int i, imax;
> > + int i, error=0;
> >
> > dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_device_extension()\n");
> > - imax = TW_Q_LENGTH;
> >
> > - for (i=0; i<imax; i++) {
> > - /* Initialize command packet buffers */
> > - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 0);
> > - if (tw_dev->command_packet_virtual_address[i] == NULL) {
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad command packet virtual address.\n");
> > - return 1;
> > - }
> > - memset(tw_dev->command_packet_virtual_address[i], 0, sizeof(TW_Sector));
> > -
> > - /* Initialize generic buffer */
> > - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector), 1);
> > - if (tw_dev->alignment_virtual_address[i] == NULL) {
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_device_extension(): Bad alignment virtual address.\n");
> > - return 1;
> > - }
> > - memset(tw_dev->alignment_virtual_address[i], 0, sizeof(TW_Sector));
> > + /* Initialize command packet buffers */
> > + error = tw_allocate_memory(tw_dev, sizeof(TW_Command), 0);
> > + if (error) {
> > + printk(KERN_WARNING "3w-xxxx: Command packet memory allocation failed.\n");
> > + return 1;
> > + }
> >
> > - tw_dev->free_queue[i] = i;
> > - tw_dev->state[i] = TW_S_INITIAL;
> > - tw_dev->ioctl_size[i] = 0;
> > - tw_dev->aen_queue[i] = 0;
> > + /* Initialize generic buffer */
> > + error = tw_allocate_memory(tw_dev, sizeof(TW_Sector), 1);
> > + if (error) {
> > + printk(KERN_WARNING "3w-xxxx: Generic memory allocation failed.\n");
> > + return 1;
> > }
> >
> > - for (i=0;i<TW_MAX_UNITS;i++) {
> > - tw_dev->is_unit_present[i] = 0;
> > - tw_dev->is_raid_five[i] = 0;
> > + for (i=0;i<TW_Q_LENGTH;i++) {
> > + tw_dev->free_queue[i] = i;
> > + tw_dev->state[i] = TW_S_INITIAL;
> > }
> >
> > - tw_dev->num_units = 0;
> > - tw_dev->num_aborts = 0;
> > - tw_dev->num_resets = 0;
> > - tw_dev->posted_request_count = 0;
> > - tw_dev->max_posted_request_count = 0;
> > - tw_dev->max_sgl_entries = 0;
> > - tw_dev->sgl_entries = 0;
> > - tw_dev->host = NULL;
> > tw_dev->pending_head = TW_Q_START;
> > tw_dev->pending_tail = TW_Q_START;
> > - tw_dev->aen_head = 0;
> > - tw_dev->aen_tail = 0;
> > - tw_dev->sector_count = 0;
> > - tw_dev->max_sector_count = 0;
> > - tw_dev->aen_count = 0;
> > - tw_dev->num_raid_five = 0;
> > spin_lock_init(&tw_dev->tw_lock);
> > - tw_dev->flags = 0;
> > +
> > return 0;
> > } /* End tw_initialize_device_extension() */
> >
> > @@ -1089,14 +1126,13 @@
> > unsigned char request_id = 0;
> > TW_Command *command_packet;
> > TW_Param *param;
> > - int i, j, imax, num_units = 0, num_raid_five = 0;
> > + int i, imax, num_units = 0;
> > u32 status_reg_addr, status_reg_value;
> > u32 command_que_addr, command_que_value;
> > u32 response_que_addr;
> > TW_Response_Queue response_queue;
> > u32 param_value;
> > unsigned char *is_unit_present;
> > - unsigned char *raid_level;
> >
> > dprintk(KERN_NOTICE "3w-xxxx: tw_initialize_units()\n");
> >
> > @@ -1168,8 +1204,7 @@
> > }
> > if (command_packet->status != 0) {
> > /* bad response */
> > - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> > - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> > + tw_decode_sense(tw_dev, request_id, 0);
> > return 1;
> > }
> > found = 1;
> > @@ -1205,109 +1240,6 @@
> > return 1;
> > }
> >
> > - /* Find raid 5 arrays */
> > - for (j=0;j<TW_MAX_UNITS;j++) {
> > - if (tw_dev->is_unit_present[j] == 0)
> > - continue;
> > - command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> > - if (command_packet == NULL) {
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet virtual address.\n");
> > - return 1;
> > - }
> > - memset(command_packet, 0, sizeof(TW_Sector));
> > - command_packet->byte0.opcode = TW_OP_GET_PARAM;
> > - command_packet->byte0.sgl_offset = 2;
> > - command_packet->size = 4;
> > - command_packet->request_id = request_id;
> > - command_packet->byte3.unit = 0;
> > - command_packet->byte3.host_id = 0;
> > - command_packet->status = 0;
> > - command_packet->flags = 0;
> > - command_packet->byte6.block_count = 1;
> > -
> > - /* Now setup the param */
> > - if (tw_dev->alignment_virtual_address[request_id] == NULL) {
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment virtual address.\n");
> > - return 1;
> > - }
> > - param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> > - memset(param, 0, sizeof(TW_Sector));
> > - param->table_id = 0x300+j; /* unit summary table */
> > - param->parameter_id = 0x6; /* unit descriptor */
> > - param->parameter_size_bytes = 0xc;
> > - param_value = tw_dev->alignment_physical_address[request_id];
> > - if (param_value == 0) {
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad alignment physical address.\n");
> > - return 1;
> > - }
> > -
> > - command_packet->byte8.param.sgl[0].address = param_value;
> > - command_packet->byte8.param.sgl[0].length = sizeof(TW_Sector);
> > -
> > - /* Post the command packet to the board */
> > - command_que_value = tw_dev->command_packet_physical_address[request_id];
> > - if (command_que_value == 0) {
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad command packet physical address.\n");
> > - return 1;
> > - }
> > - outl(command_que_value, command_que_addr);
> > -
> > - /* Poll for completion */
> > - imax = TW_POLL_MAX_RETRIES;
> > - for(i=0; i<imax; i++) {
> > - mdelay(5);
> > - status_reg_value = inl(status_reg_addr);
> > - if (tw_check_bits(status_reg_value)) {
> > - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected bits.\n");
> > - tw_decode_bits(tw_dev, status_reg_value);
> > - return 1;
> > - }
> > - if ((status_reg_value & TW_STATUS_RESPONSE_QUEUE_EMPTY) == 0) {
> > - response_queue.value = inl(response_que_addr);
> > - request_id = (unsigned char)response_queue.u.response_id;
> > - if (request_id != 0) {
> > - /* unexpected request id */
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Unexpected request id.\n");
> > - return 1;
> > - }
> > - if (command_packet->status != 0) {
> > - /* bad response */
> > - dprintk(KERN_WARNING "3w-xxxx: tw_initialize_units(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> > - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> > - return 1;
> > - }
> > - found = 1;
> > - break;
> > - }
> > - }
> > - if (found == 0) {
> > - /* response never received */
> > - printk(KERN_WARNING "3w-xxxx: tw_initialize_units(): No response.\n");
> > - return 1;
> > - }
> > -
> > - param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> > - raid_level = (unsigned char *)&(param->data[1]);
> > - if (*raid_level == 5) {
> > - dprintk(KERN_WARNING "3w-xxxx: Found unit %d to be a raid5 unit.\n", j);
> > - tw_dev->is_raid_five[j] = 1;
> > - num_raid_five++;
> > - }
> > - }
> > - tw_dev->num_raid_five = num_raid_five;
> > -
> > - /* Now allocate raid5 bounce buffers */
> > - if ((num_raid_five != 0) && (tw_dev->tw_pci_dev->device == TW_DEVICE_ID)) {
> > - for (i=0;i<TW_MAX_BOUNCEBUF;i++) {
> > - tw_allocate_memory(tw_dev, i, sizeof(TW_Sector)*TW_MAX_SECTORS, 2);
> > - if (tw_dev->bounce_buffer[i] == NULL) {
> > - printk(KERN_WARNING "3w-xxxx: Bounce buffer allocation failed.\n");
> > - return 1;
> > - }
> > - memset(tw_dev->bounce_buffer[i], 0, sizeof(TW_Sector)*TW_MAX_SECTORS);
> > - }
> > - }
> > -
> > return 0;
> > } /* End tw_initialize_units() */
> >
> > @@ -1332,13 +1264,18 @@
> >
> > if (tw_dev->tw_pci_dev->irq == irq) {
> > spin_lock(&tw_dev->tw_lock);
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt()\n");
> > + dprintk(KERN_WARNING "3w-xxxx: tw_interrupt()\n");
> >
> > /* Read the registers */
> > status_reg_addr = tw_dev->registers.status_reg_addr;
> > response_que_addr = tw_dev->registers.response_que_addr;
> > status_reg_value = inl(status_reg_addr);
> >
> > + if (tw_check_bits(status_reg_value)) {
> > + dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> > + tw_decode_bits(tw_dev, status_reg_value);
> > + }
> > +
> > /* Check which interrupt */
> > if (status_reg_value & TW_STATUS_HOST_INTERRUPT)
> > do_host_interrupt=1;
> > @@ -1403,17 +1340,18 @@
> > command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> > error = 0;
> > if (command_packet->status != 0) {
> > - dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Bad response, status = 0x%x, flags = 0x%x, unit = 0x%x.\n", command_packet->status, command_packet->flags, command_packet->byte3.unit);
> > - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> > - error = 1;
> > + /* Bad response */
> > + if (tw_dev->srb[request_id] != 0)
> > + tw_decode_sense(tw_dev, request_id, 1);
> > + error = 3;
> > }
> > if (tw_dev->state[request_id] != TW_S_POSTED) {
> > printk(KERN_WARNING "3w-xxxx: scsi%d: Received a request id (%d) (opcode = 0x%x) that wasn't posted.\n", tw_dev->host->host_no, request_id, command_packet->byte0.opcode);
> > error = 1;
> > }
> > if (TW_STATUS_ERRORS(status_reg_value)) {
> > - tw_decode_bits(tw_dev, status_reg_value);
> > - error = 1;
> > + tw_decode_bits(tw_dev, status_reg_value);
> > + error = 1;
> > }
> > dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt(): Response queue request id: %d.\n", request_id);
> > /* Check for internal command */
> > @@ -1428,7 +1366,7 @@
> > dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> > tw_decode_bits(tw_dev, status_reg_value);
> > }
> > - } else {
> > + } else {
> > switch (tw_dev->srb[request_id]->cmnd[0]) {
> > case READ_10:
> > case READ_6:
> > @@ -1455,18 +1393,23 @@
> > tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);
> > tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> > }
> > - if (error) {
> > + if (error == 1) {
> > /* Tell scsi layer there was an error */
> > dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Scsi Error.\n");
> > tw_dev->srb[request_id]->result = (DID_RESET << 16);
> > - } else {
> > + }
> > + if (error == 0) {
> > /* Tell scsi layer command was a success */
> > tw_dev->srb[request_id]->result = (DID_OK << 16);
> > }
> > - tw_dev->state[request_id] = TW_S_COMPLETED;
> > - tw_state_request_finish(tw_dev, request_id);
> > - tw_dev->posted_request_count--;
> > - tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> > + if (error != 2) {
> > + tw_dev->state[request_id] = TW_S_COMPLETED;
> > + tw_state_request_finish(tw_dev, request_id);
> > + tw_dev->posted_request_count--;
> > + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> > +
> > + tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
> > + }
> > status_reg_value = inl(status_reg_addr);
> > if (tw_check_bits(status_reg_value)) {
> > dprintk(KERN_WARNING "3w-xxxx: tw_interrupt(): Unexpected bits.\n");
> > @@ -1479,19 +1422,22 @@
> > }
> > spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
> > clear_bit(TW_IN_INTR, &tw_dev->flags);
> > -} /* End tw_interrupt() */
> > +} /* End tw_interrupt() */
> >
> > /* This function handles ioctls from userspace to the driver */
> > int tw_ioctl(TW_Device_Extension *tw_dev, int request_id)
> > {
> > unsigned char opcode;
> > - int bufflen;
> > + int bufflen, error = 0;
> > TW_Param *param;
> > - TW_Command *command_packet;
> > + TW_Command *command_packet, *command_save;
> > u32 param_value;
> > TW_Ioctl *ioctl = NULL;
> > TW_Passthru *passthru = NULL;
> > - int tw_aen_code;
> > + int tw_aen_code, i, use_sg;
> > + char *data_ptr;
> > + int total_bytes = 0;
> > + dma_addr_t dma_handle;
> >
> > ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
> > if (ioctl == NULL) {
> > @@ -1598,7 +1544,7 @@
> > printk(KERN_WARNING "3w-xxxx: tw_ioctl(): Passthru size (%ld) too big.\n", passthru->sg_list[0].length);
> > return 1;
> > }
> > - passthru->sg_list[0].address = virt_to_bus(tw_dev->alignment_virtual_address[request_id]);
> > + passthru->sg_list[0].address = tw_dev->alignment_physical_address[request_id];
> > tw_post_command_packet(tw_dev, request_id);
> > return 0;
> > case TW_CMD_PACKET:
> > @@ -1612,6 +1558,161 @@
> > printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
> > return 1;
> > }
> > + case TW_CMD_PACKET_WITH_DATA:
> > + dprintk(KERN_WARNING "3w-xxxx: tw_ioctl(): caught TW_CMD_PACKET_WITH_DATA.\n");
> > + command_save = (TW_Command *)tw_dev->alignment_virtual_address[request_id];
> > + if (command_save == NULL) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad alignment virtual address.\n", tw_dev->host->host_no);
> > + return 1;
> > + }
> > + if (ioctl->data != NULL) {
> > + /* Copy down the command packet */
> > + memcpy(command_packet, ioctl->data, sizeof(TW_Command));
> > + memcpy(command_save, ioctl->data, sizeof(TW_Command));
> > + command_packet->request_id = request_id;
> > +
> > + /* Now deal with the two possible sglists */
> > + if (command_packet->byte0.sgl_offset == 2) {
> > + use_sg = command_packet->size - 3;
> > + for (i=0;i<use_sg;i++)
> > + total_bytes+=command_packet->byte8.param.sgl[i].length;
> > + tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
> > +
> > + if (!tw_dev->ioctl_data[request_id]) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): kmalloc failed for request_id %d.\n", tw_dev->host->host_no, request_id);
> > + return 1;
> > + }
> > +
> > + /* Copy param sglist into the kernel */
> > + data_ptr = tw_dev->ioctl_data[request_id];
> > + for (i=0;i<use_sg;i++) {
> > + if ((u32 *)command_packet->byte8.param.sgl[i].address != NULL) {
> > + error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.param.sgl[i].address, command_packet->byte8.param.sgl[i].length);
> > + if (error) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist from userspace.\n", tw_dev->host->host_no);
> > + goto tw_ioctl_bail;
> > + }
> > + } else {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
> > + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> > + goto tw_ioctl_bail;
> > + }
> > + data_ptr+=command_packet->byte8.param.sgl[i].length;
> > + }
> > + command_packet->size = 4;
> > + command_packet->byte8.param.sgl[0].address = dma_handle;
> > + command_packet->byte8.param.sgl[0].length = total_bytes;
> > + }
> > + if (command_packet->byte0.sgl_offset == 3) {
> > + use_sg = command_packet->size - 4;
> > + for (i=0;i<use_sg;i++)
> > + total_bytes+=command_packet->byte8.io.sgl[i].length;
> > + tw_dev->ioctl_data[request_id] = pci_alloc_consistent(tw_dev->tw_pci_dev, total_bytes, &dma_handle);
> > +
> > + if (!tw_dev->ioctl_data[request_id]) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): pci_alloc_consistent() failed for request_id %d.\n", tw_dev->host->host_no, request_id);
> > + return 1;
> > + }
> > + if (command_packet->byte0.opcode == TW_OP_WRITE) {
> > + /* Copy io sglist into the kernel */
> > + data_ptr = tw_dev->ioctl_data[request_id];
> > + for (i=0;i<use_sg;i++) {
> > + if ((u32 *)command_packet->byte8.io.sgl[i].address != NULL) {
> > + error = copy_from_user(data_ptr, (u32 *)command_packet->byte8.io.sgl[i].address, command_packet->byte8.io.sgl[i].length);
> > + if (error) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist from userspace.\n", tw_dev->host->host_no);
> > + goto tw_ioctl_bail;
> > + }
> > + } else {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
> > + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> > + goto tw_ioctl_bail;
> > + }
> > + data_ptr+=command_packet->byte8.io.sgl[i].length;
> > + }
> > + }
> > + command_packet->size = 5;
> > + command_packet->byte8.io.sgl[0].address = dma_handle;
> > + command_packet->byte8.io.sgl[0].length = total_bytes;
> > + }
> > +
> > + spin_unlock_irq(tw_dev->host->host_lock);
> > + spin_unlock_irq(&tw_dev->tw_lock);
> > +
> > + /* Finally post the command packet */
> > + tw_post_command_packet(tw_dev, request_id);
> > +
> > + mdelay(TW_IOCTL_WAIT_TIME);
> > + spin_lock_irq(&tw_dev->tw_lock);
> > + spin_lock_irq(tw_dev->host->host_lock);
> > +
> > + if (signal_pending(current)) {
> > + dprintk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Signal pending, aborting ioctl().\n", tw_dev->host->host_no);
> > + tw_dev->srb[request_id]->result = (DID_OK << 16);
> > + goto tw_ioctl_bail;
> > + }
> > +
> > + tw_dev->srb[request_id]->result = (DID_OK << 16);
> > + /* Now copy up the param or io sglist to userspace */
> > + if (command_packet->byte0.sgl_offset == 2) {
> > + use_sg = command_save->size - 3;
> > + data_ptr = phys_to_virt(command_packet->byte8.param.sgl[0].address);
> > + for (i=0;i<use_sg;i++) {
> > + if ((u32 *)command_save->byte8.param.sgl[i].address != NULL) {
> > + error = copy_to_user((u32 *)command_save->byte8.param.sgl[i].address, data_ptr, command_save->byte8.param.sgl[i].length);
> > + if (error) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying param sglist to userspace.\n", tw_dev->host->host_no);
> > + goto tw_ioctl_bail;
> > + }
> > + dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.param.sgl[i].length, current->pid);
> > + data_ptr+=command_save->byte8.param.sgl[i].length;
> > + } else {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad param sgl address.\n", tw_dev->host->host_no);
> > + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> > + goto tw_ioctl_bail;
> > + }
> > + }
> > + }
> > + if (command_packet->byte0.sgl_offset == 3) {
> > + use_sg = command_save->size - 4;
> > + if (command_packet->byte0.opcode == TW_OP_READ) {
> > + data_ptr = phys_to_virt(command_packet->byte8.io.sgl[0].address);
> > + for(i=0;i<use_sg;i++) {
> > + if ((u32 *)command_save->byte8.io.sgl[i].address != NULL) {
> > + error = copy_to_user((u32 *)command_save->byte8.io.sgl[i].address, data_ptr, command_save->byte8.io.sgl[i].length);
> > + if (error) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: Error copying io sglist to userspace.\n", tw_dev->host->host_no);
> > + goto tw_ioctl_bail;
> > + }
> > + dprintk(KERN_WARNING "3w-xxxx: scsi%d: Copied %ld bytes to pid %d.\n", tw_dev->host->host_no, command_save->byte8.io.sgl[i].length, current->pid);
> > + data_ptr+=command_save->byte8.io.sgl[i].length;
> > + } else {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Bad io sgl address.\n", tw_dev->host->host_no);
> > + tw_dev->srb[request_id]->result = (DID_RESET << 16);
> > + goto tw_ioctl_bail;
> > + }
> > + }
> > + }
> > + }
> > +
> > + tw_ioctl_bail:
> > +
> > + /* Free up sglist memory */
> > + if (tw_dev->ioctl_data[request_id])
> > + pci_free_consistent(tw_dev->tw_pci_dev, total_bytes, tw_dev->ioctl_data[request_id], dma_handle);
> > + else
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl(): Error freeing ioctl data.\n", tw_dev->host->host_no);
> > +
> > + /* Now complete the io */
> > + tw_dev->state[request_id] = TW_S_COMPLETED;
> > + tw_state_request_finish(tw_dev, request_id);
> > + tw_dev->posted_request_count--;
> > + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> > + return 0;
> > + } else {
> > + printk(KERN_WARNING "3w-xxxx: tw_ioctl(): ioctl->data NULL.\n");
> > + return 1;
> > + }
> > default:
> > printk(KERN_WARNING "3w-xxxx: Unknown ioctl 0x%x.\n", opcode);
> > tw_dev->state[request_id] = TW_S_COMPLETED;
> > @@ -1655,6 +1756,7 @@
> > TW_Param *param;
> > TW_Ioctl *ioctl = NULL;
> > TW_Passthru *passthru = NULL;
> > + TW_Command *command_packet;
> >
> > ioctl = (TW_Ioctl *)tw_dev->srb[request_id]->request_buffer;
> > dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete()\n");
> > @@ -1663,6 +1765,13 @@
> > printk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): Request buffer NULL.\n");
> > return 1;
> > }
> > +
> > + command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
> > + if (command_packet == NULL) {
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: tw_ioctl_complete(): Bad command packet virtual address.\n", tw_dev->host->host_no);
> > + return 1;
> > + }
> > +
> > dprintk(KERN_NOTICE "3w-xxxx: tw_ioctl_complete(): Request_bufflen = %d\n", tw_dev->srb[request_id]->request_bufflen);
> >
> > ioctl = (TW_Ioctl *)buff;
> > @@ -1671,6 +1780,9 @@
> > passthru = (TW_Passthru *)ioctl->data;
> > memcpy(buff, tw_dev->alignment_virtual_address[request_id], passthru->sector_count * 512);
> > break;
> > + case TW_CMD_PACKET_WITH_DATA:
> > + dprintk(KERN_WARNING "3w-xxxx: tw_ioctl_complete(): caught TW_CMD_PACKET_WITH_DATA.\n");
> > + return 2; /* Special case for isr to not complete io */
> > default:
> > memset(buff, 0, tw_dev->srb[request_id]->request_bufflen);
> > param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
> > @@ -1684,6 +1796,40 @@
> > return 0;
> > } /* End tw_ioctl_complete() */
> >
> > +static int tw_map_scsi_sg_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> > +{
> > + int use_sg;
> > + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> > +
> > + dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_sg_data()\n");
> > +
> > + if (cmd->use_sg == 0)
> > + return 0;
> > +
> > + use_sg = pci_map_sg(pdev, cmd->buffer, cmd->use_sg, dma_dir);
> > + cmd->SCp.phase = 2;
> > + cmd->SCp.have_data_in = use_sg;
> > +
> > + return use_sg;
> > +} /* End tw_map_scsi_sg_data() */
> > +
> > +static u32 tw_map_scsi_single_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> > +{
> > + dma_addr_t mapping;
> > + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> > +
> > + dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_single_data()\n");
> > +
> > + if (cmd->request_bufflen == 0)
> > + return 0;
> > +
> > + mapping = pci_map_single(pdev, cmd->request_buffer, cmd->request_bufflen, dma_dir);
> > + cmd->SCp.phase = 2;
> > + cmd->SCp.have_data_in = mapping;
> > +
> > + return mapping;
> > +} /* End tw_map_scsi_single_data() */
> > +
> > /* This function will mask the command interrupt */
> > void tw_mask_command_interrupt(TW_Device_Extension *tw_dev)
> > {
> > @@ -1704,14 +1850,25 @@
> > do_gettimeofday(&before);
> > status_reg_value = inl(status_reg_addr);
> >
> > + if (tw_check_bits(status_reg_value)) {
> > + dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
> > + tw_decode_bits(tw_dev, status_reg_value);
> > + }
> > +
> > while ((status_reg_value & flag) != flag) {
> > status_reg_value = inl(status_reg_addr);
> > +
> > + if (tw_check_bits(status_reg_value)) {
> > + dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Unexpected bits.\n");
> > + tw_decode_bits(tw_dev, status_reg_value);
> > + }
> > +
> > do_gettimeofday(&timeout);
> > if (before.tv_sec + seconds < timeout.tv_sec) {
> > dprintk(KERN_WARNING "3w-xxxx: tw_poll_status(): Flag 0x%x not found.\n", flag);
> > return 1;
> > }
> > - mdelay(1);
> > + mdelay(5);
> > }
> > return 0;
> > } /* End tw_poll_status() */
> > @@ -1787,6 +1944,7 @@
> > srb = tw_dev->srb[i];
> > srb->result = (DID_RESET << 16);
> > tw_dev->srb[i]->scsi_done(tw_dev->srb[i]);
> > + tw_unmap_scsi_data(tw_dev->tw_pci_dev, tw_dev->srb[i]);
> > }
> > }
> > }
> > @@ -1821,7 +1979,7 @@
> >
> > error = tw_aen_drain_queue(tw_dev);
> > if (error) {
> > - printk(KERN_WARNING "3w-xxxx: scsi%d: Card not responding, retrying.\n", tw_dev->host->host_no);
> > + printk(KERN_WARNING "3w-xxxx: scsi%d: AEN drain failed, retrying.\n", tw_dev->host->host_no);
> > tries++;
> > continue;
> > }
> > @@ -1857,7 +2015,7 @@
> > }
> >
> > /* Re-enable interrupts */
> > - tw_enable_interrupts(tw_dev);
> > + tw_enable_and_clear_interrupts(tw_dev);
> >
> > return 0;
> > } /* End tw_reset_sequence() */
> > @@ -2381,6 +2539,9 @@
> > capacity = (param_data[3] << 24) | (param_data[2] << 16) |
> > (param_data[1] << 8) | param_data[0];
> >
> > + /* Subtract one sector to fix get last sector ioctl */
> > + capacity -= 1;
> > +
> > dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity_complete(): Capacity = 0x%x.\n", capacity);
> >
> > /* Number of LBA's */
> > @@ -2403,8 +2564,8 @@
> > {
> > TW_Command *command_packet;
> > u32 command_que_addr, command_que_value = 0;
> > - u32 lba = 0x0, num_sectors = 0x0;
> > - int i, count = 0;
> > + u32 lba = 0x0, num_sectors = 0x0, buffaddr = 0x0;
> > + int i, use_sg;
> > Scsi_Cmnd *srb;
> > struct scatterlist *sglist;
> >
> > @@ -2461,45 +2622,25 @@
> > command_packet->byte8.io.lba = lba;
> > command_packet->byte6.block_count = num_sectors;
> >
> > - if ((tw_dev->is_raid_five[tw_dev->srb[request_id]->target] == 0) || (srb->cmnd[0] == READ_6) || (srb->cmnd[0] == READ_10) || (tw_dev->tw_pci_dev->device == TW_DEVICE_ID2)) {
> > - /* Do this if there are no sg list entries */
> > - if (tw_dev->srb[request_id]->use_sg == 0) {
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
> > - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->srb[request_id]->request_buffer);
> > - command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> > - }
> > -
> > - /* Do this if we have multiple sg list entries */
> > - if (tw_dev->srb[request_id]->use_sg > 0) {
> > - for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
> > - command_packet->byte8.io.sgl[i].address = virt_to_bus(sglist[i].address);
> > - command_packet->byte8.io.sgl[i].length = sglist[i].length;
> > - command_packet->size+=2;
> > - }
> > - if (tw_dev->srb[request_id]->use_sg >= 1)
> > - command_packet->size-=2;
> > + /* Do this if there are no sg list entries */
> > + if (tw_dev->srb[request_id]->use_sg == 0) {
> > + dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
> > + buffaddr = tw_map_scsi_single_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
> > + command_packet->byte8.io.sgl[0].address = buffaddr;
> > + command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> > + }
> > +
> > + /* Do this if we have multiple sg list entries */
> > + if (tw_dev->srb[request_id]->use_sg > 0) {
> > + use_sg = tw_map_scsi_sg_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);;
> > + for (i=0;i<use_sg; i++) {
> > + command_packet->byte8.io.sgl[i].address = sg_dma_address(&sglist[i]);
> > + command_packet->byte8.io.sgl[i].length = sg_dma_len(&sglist[i]);
> > + command_packet->size+=2;
> > }
> > - } else {
> > - /* Do this if there are no sg list entries for raid 5 */
> > - if (tw_dev->srb[request_id]->use_sg == 0) {
> > - dprintk(KERN_WARNING "doing raid 5 write use_sg = 0, bounce_buffer[%d] = 0x%p\n", request_id, tw_dev->bounce_buffer[request_id]);
> > - memcpy(tw_dev->bounce_buffer[request_id], tw_dev->srb[request_id]->request_buffer, tw_dev->srb[request_id]->request_bufflen);
> > - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
> > - command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
> > - }
> > -
> > - /* Do this if we have multiple sg list entries for raid 5 */
> > - if (tw_dev->srb[request_id]->use_sg > 0) {
> > - dprintk(KERN_WARNING "doing raid 5 write use_sg = %d, sglist[0].length = %d\n", tw_dev->srb[request_id]->use_sg, sglist[0].length);
> > - for (i=0;i<tw_dev->srb[request_id]->use_sg; i++) {
> > - memcpy((char *)(tw_dev->bounce_buffer[request_id])+count, sglist[i].address, sglist[i].length);
> > - count+=sglist[i].length;
> > - }
> > - command_packet->byte8.io.sgl[0].address = virt_to_bus(tw_dev->bounce_buffer[request_id]);
> > - command_packet->byte8.io.sgl[0].length = count;
> > - command_packet->size = 5; /* single sgl */
> > - }
> > - }
> > + if (tw_dev->srb[request_id]->use_sg >= 1)
> > + command_packet->size-=2;
> > + }
> >
> > /* Update SG statistics */
> > tw_dev->sgl_entries = tw_dev->srb[request_id]->use_sg;
> > @@ -2521,18 +2662,18 @@
> > /* This function will handle the request sense scsi command */
> > int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id)
> > {
> > - dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
> > -
> > - /* For now we just zero the sense buffer */
> > - memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
> > - tw_dev->state[request_id] = TW_S_COMPLETED;
> > - tw_state_request_finish(tw_dev, request_id);
> > -
> > - /* If we got a request_sense, we probably want a reset, return error */
> > - tw_dev->srb[request_id]->result = (DID_ERROR << 16);
> > - tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> > -
> > - return 0;
> > + dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
> > +
> > + /* For now we just zero the request buffer */
> > + memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
> > + tw_dev->state[request_id] = TW_S_COMPLETED;
> > + tw_state_request_finish(tw_dev, request_id);
> > +
> > + /* If we got a request_sense, we probably want a reset, return error */
> > + tw_dev->srb[request_id]->result = (DID_ERROR << 16);
> > + tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);
> > +
> > + return 0;
> > } /* End tw_scsiop_request_sense() */
> >
> > /* This function will handle test unit ready scsi command */
> > @@ -2626,8 +2767,7 @@
> > }
> > if (command_packet->status != 0) {
> > /* bad response */
> > - dprintk(KERN_WARNING "3w-xxxx: tw_setfeature(): Bad response, status = 0x%x, flags = 0x%x.\n", command_packet->status, command_packet->flags);
> > - tw_decode_error(tw_dev, command_packet->status, command_packet->flags, command_packet->byte3.unit);
> > + tw_decode_sense(tw_dev, request_id, 0);
> > return 1;
> > }
> > break; /* Response was okay, so we exit */
> > @@ -2671,7 +2811,7 @@
> > }
> >
> > /* Re-enable interrupts */
> > - tw_enable_interrupts(tw_dev);
> > + tw_enable_and_clear_interrupts(tw_dev);
> >
> > return 0;
> > } /* End tw_shutdown_device() */
> > @@ -2719,7 +2859,7 @@
> > int id = 0;
> >
> > dprintk(KERN_NOTICE "3w-xxxx: tw_state_request_start()\n");
> > -
> > +
> > /* Obtain next free request_id */
> > do {
> > if (tw_dev->free_head == tw_dev->free_wrap) {
> > @@ -2738,6 +2878,19 @@
> > return 0;
> > } /* End tw_state_request_start() */
> >
> > +static void tw_unmap_scsi_data(struct pci_dev *pdev, Scsi_Cmnd *cmd)
> > +{
> > + int dma_dir = scsi_to_pci_dma_dir(cmd->sc_data_direction);
> > +
> > + dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
> > +
> > + if (cmd->use_sg) {
> > + pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, dma_dir);
> > + } else {
> > + pci_unmap_single(pdev, cmd->SCp.have_data_in, cmd->request_bufflen, dma_dir);
> > + }
> > +} /* End tw_unmap_scsi_data() */
> > +
> > /* This function will unmask the command interrupt on the controller */
> > void tw_unmask_command_interrupt(TW_Device_Extension *tw_dev)
> > {
> > @@ -2749,7 +2902,6 @@
> > } /* End tw_unmask_command_interrupt() */
> >
> > /* Now get things going */
> > -
> > static Scsi_Host_Template driver_template = TWXXXX;
> > #include "scsi_module.c"
> >
> > diff -Naur linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h
> > --- linux-2.5.6-pre1/drivers/scsi/3w-xxxx.h Tue Feb 19 18:10:58 2002
> > +++ linux-2.5.6-pre2/drivers/scsi/3w-xxxx.h Wed Feb 27 11:53:52 2002
> > @@ -6,7 +6,7 @@
> > Arnaldo Carvalho de Melo <[email protected]>
> > Brad Strand <[email protected]>
> >
> > - Copyright (C) 1999-2001 3ware Inc.
> > + Copyright (C) 1999-2002 3ware Inc.
> >
> > Kernel compatablity By: Andre Hedrick <[email protected]>
> > Non-Copyright (C) 2000 Andre Hedrick <[email protected]>
> > @@ -62,7 +62,7 @@
> > static char *tw_aen_string[] = {
> > "AEN queue empty", // 0x000
> > "Soft reset occurred", // 0x001
> > - "Mirorr degraded: Unit #", // 0x002
> > + "Unit degraded: Unit #", // 0x002
> > "Controller error", // 0x003
> > "Rebuild failed: Unit #", // 0x004
> > "Rebuild complete: Unit #", // 0x005
> > @@ -90,10 +90,36 @@
> > "DCB unsupported version: Port #", // 0x028
> > "Verify started: Unit #", // 0x029
> > "Verify failed: Port #", // 0x02A
> > - "Verify complete: Unit #" // 0x02B
> > + "Verify complete: Unit #", // 0x02B
> > + "Overwrote bad sector during rebuild: Port #", //0x2C
> > + "Encountered bad sector during rebuild: Port #" //0x2D
> > };
> >
> > -#define TW_AEN_STRING_MAX 0x02C
> > +#define TW_AEN_STRING_MAX 0x02E
> > +
> > +/*
> > + Sense key lookup table
> > + Format: ESDC/flags,SenseKey,AdditionalSenseCode,AdditionalSenseCodeQualifier
> > +*/
> > +static unsigned char tw_sense_table[][4] =
> > +{
> > + /* Codes for newer firmware */
> > + // ATA Error SCSI Error
> > + {0x01, 0x03, 0x13, 0x00}, // Address mark not found Address mark not found for data field
> > + {0x04, 0x0b, 0x00, 0x00}, // Aborted command Aborted command
> > + {0x10, 0x0b, 0x14, 0x00}, // ID not found Recorded entity not found
> > + {0x40, 0x03, 0x11, 0x00}, // Uncorrectable ECC error Unrecovered read error
> > + {0x61, 0x04, 0x00, 0x00}, // Device fault Hardware error
> > + {0x84, 0x0b, 0x47, 0x00}, // Data CRC error SCSI parity error
> > + {0xd0, 0x0b, 0x00, 0x00}, // Device busy Aborted command
> > + {0xd1, 0x0b, 0x00, 0x00}, // Device busy Aborted command
> > +
> > + /* Codes for older firmware */
> > + // 3ware Error SCSI Error
> > + {0x09, 0x0b, 0x00, 0x00}, // Unrecovered disk error Aborted command
> > + {0x37, 0x0b, 0x04, 0x00}, // Unit offline Logical unit not ready
> > + {0x51, 0x0b, 0x00, 0x00} // Unspecified Aborted command
> > +};
> >
> > /* Control register bit definitions */
> > #define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000
> > @@ -108,6 +134,7 @@
> > #define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040
> > #define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
> > #define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000
> > +#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000
> >
> > /* Status register bit definitions */
> > #define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000
> > @@ -140,6 +167,7 @@
> > #define TW_DEVICE_ID2 (0x1001) /* 7000 series controller */
> > #define TW_NUMDEVICES 2
> > #define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
> > +#define TW_PCI_CLEAR_PCI_ABORT 0x2000
> >
> > /* Command packet opcodes */
> > #define TW_OP_NOP 0x0
> > @@ -153,6 +181,7 @@
> > #define TW_OP_AEN_LISTEN 0x1c
> > #define TW_CMD_PACKET 0x1d
> > #define TW_ATA_PASSTHRU 0x1e
> > +#define TW_CMD_PACKET_WITH_DATA 0x1f
> >
> > /* Asynchronous Event Notification (AEN) Codes */
> > #define TW_AEN_QUEUE_EMPTY 0x0000
> > @@ -169,7 +198,8 @@
> > #define TW_AEN_SBUF_FAIL 0x0024
> >
> > /* Misc defines */
> > -#define TW_ALIGNMENT 0x200 /* 16 D-WORDS */
> > +#define TW_ALIGNMENT_6000 64 /* 64 bytes */
> > +#define TW_ALIGNMENT_7000 4 /* 4 bytes */
> > #define TW_MAX_UNITS 16
> > #define TW_COMMAND_ALIGNMENT_MASK 0x1ff
> > #define TW_INIT_MESSAGE_CREDITS 0x100
> > @@ -179,7 +209,6 @@
> > #define TW_ATA_PASS_SGL_MAX 60
> > #define TW_MAX_PASSTHRU_BYTES 4096
> > #define TW_Q_LENGTH 256
> > -#define TW_MAX_BOUNCEBUF 16
> > #define TW_Q_START 0
> > #define TW_MAX_SLOT 32
> > #define TW_MAX_PCI_BUSES 255
> > @@ -191,12 +220,9 @@
> > #define TW_MAX_AEN_TRIES 100
> > #define TW_UNIT_ONLINE 1
> > #define TW_IN_INTR 1
> > -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,7)
> > #define TW_MAX_SECTORS 256
> > -#else
> > -#define TW_MAX_SECTORS 128
> > -#endif
> > #define TW_AEN_WAIT_TIME 1000
> > +#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
> >
> > /* Macros */
> > #define TW_STATUS_ERRORS(x) \
> > @@ -262,7 +288,6 @@
> > } TW_Command;
> >
> > typedef struct TAG_TW_Ioctl {
> > - int buffer;
> > unsigned char opcode;
> > unsigned short table_id;
> > unsigned char parameter_id;
> > @@ -345,11 +370,8 @@
> > TW_Registers registers;
> > u32 *alignment_virtual_address[TW_Q_LENGTH];
> > u32 alignment_physical_address[TW_Q_LENGTH];
> > - u32 *bounce_buffer[TW_Q_LENGTH];
> > int is_unit_present[TW_MAX_UNITS];
> > - int is_raid_five[TW_MAX_UNITS];
> > int num_units;
> > - int num_raid_five;
> > u32 *command_packet_virtual_address[TW_Q_LENGTH];
> > u32 command_packet_physical_address[TW_Q_LENGTH];
> > struct pci_dev *tw_pci_dev;
> > @@ -381,22 +403,24 @@
> > unsigned char aen_head;
> > unsigned char aen_tail;
> > long flags; /* long req'd for set_bit --RR */
> > + char *ioctl_data[TW_Q_LENGTH];
> > } TW_Device_Extension;
> >
> > /* Function prototypes */
> > int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id);
> > int tw_aen_drain_queue(TW_Device_Extension *tw_dev);
> > int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
> > -int tw_allocate_memory(TW_Device_Extension *tw_dev, int request_id, int size, int which);
> > +int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which);
> > int tw_check_bits(u32 status_reg_value);
> > int tw_check_errors(TW_Device_Extension *tw_dev);
> > void tw_clear_attention_interrupt(TW_Device_Extension *tw_dev);
> > void tw_clear_host_interrupt(TW_Device_Extension *tw_dev);
> > void tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value);
> > -void tw_decode_error(TW_Device_Extension *tw_dev, unsigned char status, unsigned char flags, unsigned char unit);
> > +void tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense);
> > void tw_disable_interrupts(TW_Device_Extension *tw_dev);
> > int tw_empty_response_que(TW_Device_Extension *tw_dev);
> > void tw_enable_interrupts(TW_Device_Extension *tw_dev);
> > +void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev);
> > int tw_findcards(Scsi_Host_Template *tw_host);
> > void tw_free_device_extension(TW_Device_Extension *tw_dev);
> > int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits);
> >
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to [email protected]
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/