Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261410AbVEPHDm (ORCPT ); Mon, 16 May 2005 03:03:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261408AbVEPHDm (ORCPT ); Mon, 16 May 2005 03:03:42 -0400 Received: from mail0.lsil.com ([147.145.40.20]:59063 "EHLO mail0.lsil.com") by vger.kernel.org with ESMTP id S261410AbVEPHBG (ORCPT ); Mon, 16 May 2005 03:01:06 -0400 Message-ID: <0E3FA95632D6D047BA649F95DAB60E57060CCE7A@exa-atlanta> From: "Bagalkote, Sreenivas" To: "'linux-scsi@vger.kernel.org'" , "'linux-kernel@vger.kernel.org'" Cc: "'Matt_Domsch@Dell.com'" , Andrew Morton , "'Christoph Hellwig'" , "'James Bottomley'" , "Ju, Seokmann" , "Doelfel, Hardy" Subject: [PATCH 2.6.12-rc4-mm1 1/4] megaraid_sas: updating the driver Date: Mon, 16 May 2005 02:51:22 -0400 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2657.72) Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 28665 Lines: 1174 Hello All, Please review this update to the previously submitted megaraid_sas driver. I have adopted all the feedback received for the initial submission. Since most of the code is rearranged, I have split the patches into four parts - the first two remove the original code and the second two add the new code. Thank you, Sreenivas Bagalkote LSI Logic Corporation Patch 1 of 4: Signed-off by: Sreenivas Bagalkote diff -Naurp linux-2.6.12-rc4-mm1.a/Documentation/scsi/ChangeLog.megaraid_sas linux-2.6.12-rc4-mm1.b/Documentation/scsi/ChangeLog.megaraid_sas --- linux-2.6.12-rc4-mm1.a/Documentation/scsi/ChangeLog.megaraid_sas 2005-05-15 21:49:04.173111328 -0400 +++ linux-2.6.12-rc4-mm1.b/Documentation/scsi/ChangeLog.megaraid_sas 1969-12-31 19:00:00.000000000 -0500 @@ -1,9 +0,0 @@ -Release Date : Fri Mar 4 21:06:57 EST 2005 -Released by : Sreenivas Bagalkote (sreenivas.bagalkote@lsil.com) -Current Version : 00.00.01.00 -Older Version : NA - -1. Initial announcement to community - Module for LSI Logic's SAS based - RAID controllers. - - diff -Naurp linux-2.6.12-rc4-mm1.a/drivers/scsi/megaraid/megaraid_sas.h linux-2.6.12-rc4-mm1.b/drivers/scsi/megaraid/megaraid_sas.h --- linux-2.6.12-rc4-mm1.a/drivers/scsi/megaraid/megaraid_sas.h 2005-05-15 21:49:05.733874056 -0400 +++ linux-2.6.12-rc4-mm1.b/drivers/scsi/megaraid/megaraid_sas.h 1969-12-31 19:00:00.000000000 -0500 @@ -1,1118 +0,0 @@ -/* - * - * Linux MegaRAID driver for SAS based RAID controllers - * - * Copyright (c) 2003-2005 LSI Logic Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * FILE : megaraid_sas.h - */ - -#ifndef LSI_MEGARAID_SAS_H -#define LSI_MEGARAID_SAS_H - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -/** - * MegaRAID SAS Driver meta data - */ -#define MEGASAS_VERSION "00.00.01.00" -#define MEGASAS_RELDATE "Mar 05, 2005" -#define MEGASAS_EXT_VERSION "" - -/** - * MegaRAID SAS supported controllers - */ -#define PCI_DEVICE_LSI_1064 0x0411 -#define PCI_SUBVENDOR_x0000 0x0000 -#define PCI_SUBVENDOR_x1000 0x1000 -#define PCI_SUBSYSTEM_x0000 0x0000 -#define PCI_SUBSYSTEM_x0001 0x0001 -#define PCI_SUBSYSTEM_x0002 0x0002 -#define PCI_SUBSYSTEM_x1001 0x1001 - -#define PCI_DEVICE_ID_PERC5 0x0015 -#define PCI_SUBSYSTEM_PERC5H 0x1F01 -#define PCI_SUBSYSTEM_PERC5L 0x1F02 -#define PCI_SUBSYSTEM_PERC5I 0x1F03 - -#define PCI_SUB_DEVICEID_FSC 0x1081 -#define PCI_SUB_VENDORID_FSC 0x1734 -/* - * ===================================== - * MegaRAID SAS MFI firmware definitions - * ===================================== - */ - -/** - * FW posts its state in upper 4 bits of outbound_msg_0 register - */ -#define MFI_STATE_MASK 0xF0000000 -#define MFI_STATE_UNDEFINED 0x00000000 -#define MFI_STATE_BB_INIT 0x10000000 -#define MFI_STATE_FW_INIT 0x40000000 -#define MFI_STATE_WAIT_HANDSHAKE 0x60000000 -#define MFI_STATE_DEVICE_SCAN 0x80000000 -#define MFI_STATE_READY 0xB0000000 -#define MFI_STATE_OPERATIONAL 0xC0000000 -#define MFI_STATE_FAULT 0xF0000000 - -#define MEGAMFI_FRAME_SIZE 64 - -/** - * During FW init, clear pending cmds & reset state using inbound_msg_0 - * - * ABORT : Abort all pending cmds - * READY : Move from OPERATIONAL to READY state; discard queue info - * MFIMODE : Discard (possible) low MFA posted in 64-bit mode (??) - * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver - */ -#define MFI_INIT_ABORT 0x00000000 -#define MFI_INIT_READY 0x00000002 -#define MFI_INIT_MFIMODE 0x00000004 -#define MFI_INIT_CLEAR_HANDSHAKE 0x00000008 -#define MFI_RESET_FLAGS MFI_INIT_READY|MFI_INIT_MFIMODE - -/** - * MFI frame flags - */ -#define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000 -#define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE 0x0001 -#define MFI_FRAME_SGL32 0x0000 -#define MFI_FRAME_SGL64 0x0002 -#define MFI_FRAME_SENSE32 0x0000 -#define MFI_FRAME_SENSE64 0x0004 -#define MFI_FRAME_DIR_NONE 0x0000 -#define MFI_FRAME_DIR_WRITE 0x0008 -#define MFI_FRAME_DIR_READ 0x0010 -#define MFI_FRAME_DIR_BOTH 0x0018 - -/** - * Definition for cmd_status - */ -#define MFI_CMD_STATUS_POLL_MODE 0xFF - -/** - * MFI command opcodes - */ -#define MFI_CMD_INIT 0x00 -#define MFI_CMD_LD_READ 0x01 -#define MFI_CMD_LD_WRITE 0x02 -#define MFI_CMD_LD_SCSI_IO 0x03 -#define MFI_CMD_PD_SCSI_IO 0x04 -#define MFI_CMD_DCMD 0x05 -#define MFI_CMD_ABORT 0x06 -#define MFI_CMD_SMP 0x07 -#define MFI_CMD_STP 0x08 - -#define MR_DCMD_CTRL_GET_INFO 0x01010000 - -#define MR_DCMD_CTRL_CACHE_FLUSH 0x01101000 -#define MR_FLUSH_CTRL_CACHE 0x01 -#define MR_FLUSH_DISK_CACHE 0x02 - -#define MR_DCMD_CTRL_SHUTDOWN 0x01050000 -#define MR_ENABLE_DRIVE_SPINDOWN 0x01 - -#define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100 -#define MR_DCMD_CTRL_EVENT_GET 0x01040300 -#define MR_DCMD_CTRL_EVENT_WAIT 0x01040500 -#define MR_DCMD_LD_GET_PROPERTIES 0x03030000 - -/** - * MFI command completion codes - */ -enum MFI_STAT { - MFI_STAT_OK = 0x00, - MFI_STAT_INVALID_CMD = 0x01, - MFI_STAT_INVALID_DCMD = 0x02, - MFI_STAT_INVALID_PARAMETER = 0x03, - MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04, - MFI_STAT_ABORT_NOT_POSSIBLE = 0x05, - MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06, - MFI_STAT_APP_IN_USE = 0x07, - MFI_STAT_APP_NOT_INITIALIZED = 0x08, - MFI_STAT_ARRAY_INDEX_INVALID = 0x09, - MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a, - MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b, - MFI_STAT_DEVICE_NOT_FOUND = 0x0c, - MFI_STAT_DRIVE_TOO_SMALL = 0x0d, - MFI_STAT_FLASH_ALLOC_FAIL = 0x0e, - MFI_STAT_FLASH_BUSY = 0x0f, - MFI_STAT_FLASH_ERROR = 0x10, - MFI_STAT_FLASH_IMAGE_BAD = 0x11, - MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12, - MFI_STAT_FLASH_NOT_OPEN = 0x13, - MFI_STAT_FLASH_NOT_STARTED = 0x14, - MFI_STAT_FLUSH_FAILED = 0x15, - MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16, - MFI_STAT_LD_CC_IN_PROGRESS = 0x17, - MFI_STAT_LD_INIT_IN_PROGRESS = 0x18, - MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19, - MFI_STAT_LD_MAX_CONFIGURED = 0x1a, - MFI_STAT_LD_NOT_OPTIMAL = 0x1b, - MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c, - MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d, - MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e, - MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f, - MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20, - MFI_STAT_MFC_HW_ERROR = 0x21, - MFI_STAT_NO_HW_PRESENT = 0x22, - MFI_STAT_NOT_FOUND = 0x23, - MFI_STAT_NOT_IN_ENCL = 0x24, - MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25, - MFI_STAT_PD_TYPE_WRONG = 0x26, - MFI_STAT_PR_DISABLED = 0x27, - MFI_STAT_ROW_INDEX_INVALID = 0x28, - MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29, - MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a, - MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b, - MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c, - MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d, - MFI_STAT_SCSI_IO_FAILED = 0x2e, - MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f, - MFI_STAT_SHUTDOWN_FAILED = 0x30, - MFI_STAT_TIME_NOT_SET = 0x31, - MFI_STAT_WRONG_STATE = 0x32, - MFI_STAT_INVALID_STATUS = 0xFF - -}; - -enum MR_EVT_CLASS { - - MR_EVT_CLASS_DEBUG = -2, - MR_EVT_CLASS_PROGRESS = -1, - MR_EVT_CLASS_INFO = 0, - MR_EVT_CLASS_WARNING = 1, - MR_EVT_CLASS_CRITICAL = 2, - MR_EVT_CLASS_FATAL = 3, - MR_EVT_CLASS_DEAD = 4, - -}; - -enum MR_EVT_LOCALE{ - - MR_EVT_LOCALE_LD = 0x0001, - MR_EVT_LOCALE_PD = 0x0002, - MR_EVT_LOCALE_ENCL = 0x0004, - MR_EVT_LOCALE_BBU = 0x0008, - MR_EVT_LOCALE_SAS = 0x0010, - MR_EVT_LOCALE_CTRL = 0x0020, - MR_EVT_LOCALE_CONFIG = 0x0040, - MR_EVT_LOCALE_CLUSTER = 0x0080, - MR_EVT_LOCALE_ALL = 0xffff, - -}; - -enum MR_EVT_ARGS { - - MR_EVT_ARGS_NONE, - MR_EVT_ARGS_CDB_SENSE, - MR_EVT_ARGS_LD, - MR_EVT_ARGS_LD_COUNT, - MR_EVT_ARGS_LD_LBA, - MR_EVT_ARGS_LD_OWNER, - MR_EVT_ARGS_LD_LBA_PD_LBA, - MR_EVT_ARGS_LD_PROG, - MR_EVT_ARGS_LD_STATE, - MR_EVT_ARGS_LD_STRIP, - MR_EVT_ARGS_PD, - MR_EVT_ARGS_PD_ERR, - MR_EVT_ARGS_PD_LBA, - MR_EVT_ARGS_PD_LBA_LD, - MR_EVT_ARGS_PD_PROG, - MR_EVT_ARGS_PD_STATE, - MR_EVT_ARGS_PCI, - MR_EVT_ARGS_RATE, - MR_EVT_ARGS_STR, - MR_EVT_ARGS_TIME, - MR_EVT_ARGS_ECC, - -}; - -/* - * SAS controller properties - */ -struct megasas_ctrl_prop { - - uint16_t seq_num; - uint16_t pred_fail_poll_interval; - uint16_t intr_throttle_count; - uint16_t intr_throttle_timeouts; - - uint8_t rebuild_rate; - uint8_t patrol_read_rate; - uint8_t bgi_rate; - uint8_t cc_rate; - uint8_t recon_rate; - - uint8_t cache_flush_interval; - - uint8_t spinup_drv_count; - uint8_t spinup_delay; - - uint8_t cluster_enable; - uint8_t coercion_mode; - uint8_t disk_write_cache_disable; - uint8_t alarm_enable; - - uint8_t reserved[44]; - -} __attribute__ ((packed)); - -/* - * SAS controller information - */ -struct megasas_ctrl_info { - - /* - * PCI device information - */ - struct { - - uint16_t vendor_id; - uint16_t device_id; - uint16_t sub_vendor_id; - uint16_t sub_device_id; - uint8_t reserved[24]; - - } __attribute__ ((packed)) pci; - - /* - * Host interface information - */ - struct { - - uint8_t PCIX : 1; - uint8_t PCIE : 1; - uint8_t iSCSI : 1; - uint8_t SAS_3G : 1; - uint8_t reserved_0 : 4; - uint8_t reserved_1[6]; - uint8_t port_count; - uint64_t port_addr[8]; - - } __attribute__ ((packed)) host_interface; - - /* - * Device (backend) interface information - */ - struct { - - uint8_t SPI : 1; - uint8_t SAS_3G : 1; - uint8_t SATA_1_5G : 1; - uint8_t SATA_3G : 1; - uint8_t reserved_0 : 4; - uint8_t reserved_1[6]; - uint8_t port_count; - uint64_t port_addr[8]; - - } __attribute__ ((packed)) device_interface; - - /* - * List of components residing in flash. All str are null terminated - */ - uint32_t image_check_word; - uint32_t image_component_count; - - struct { - - char name[8]; - char version[32]; - char build_date[16]; - char built_time[16]; - - } __attribute__ ((packed)) image_component[8]; - - /* - * List of flash components that have been flashed on the card, but - * are not in use, pending reset of the adapter. This list will be - * empty if a flash operation has not occurred. All stings are null - * terminated - */ - uint32_t pending_image_component_count; - - struct { - - char name[8]; - char version[32]; - char build_date[16]; - char build_time[16]; - - } __attribute__ ((packed)) pending_image_component[8]; - - uint8_t max_arms; - uint8_t max_spans; - uint8_t max_arrays; - uint8_t max_lds; - - char product_name[80]; - char serial_no[32]; - - /* - * Other physical/controller/operation information. Indicates the - * presence of the hardware - */ - struct { - - uint32_t bbu : 1; - uint32_t alarm : 1; - uint32_t nvram : 1; - uint32_t uart : 1; - uint32_t reserved : 28; - - } __attribute__ ((packed)) hw_present; - - uint32_t current_fw_time; - - /* - * Maximum data transfer sizes - */ - uint16_t max_concurrent_cmds; - uint16_t max_sge_count; - uint32_t max_request_size; - - /* - * Logical and physical device counts - */ - uint16_t ld_present_count; - uint16_t ld_degraded_count; - uint16_t ld_offline_count; - - uint16_t pd_present_count; - uint16_t pd_disk_present_count; - uint16_t pd_disk_pred_failure_count; - uint16_t pd_disk_failed_count; - - /* - * Memory size information - */ - uint16_t nvram_size; - uint16_t memory_size; - uint16_t flash_size; - - /* - * Error counters - */ - uint16_t mem_correctable_error_count; - uint16_t mem_uncorrectable_error_count; - - /* - * Cluster information - */ - uint8_t cluster_permitted; - uint8_t cluster_active; - uint8_t reserved_1[2]; - - /* - * Controller capabilities structures - */ - struct { - - uint32_t raid_level_0 : 1; - uint32_t raid_level_1 : 1; - uint32_t raid_level_5 : 1; - uint32_t raid_level_1E : 1; - uint32_t reserved : 28; - - } __attribute__ ((packed)) raid_levels; - - struct { - - uint32_t rbld_rate : 1; - uint32_t cc_rate : 1; - uint32_t bgi_rate : 1; - uint32_t recon_rate : 1; - uint32_t patrol_rate : 1; - uint32_t alarm_control : 1; - uint32_t cluster_supported : 1; - uint32_t bbu : 1; - uint32_t spanning_allowed : 1; - uint32_t dedicated_hotspares : 1; - uint32_t revertible_hotspares : 1; - uint32_t foreign_config_import : 1; - uint32_t self_diagnostic : 1; - uint32_t reserved : 19; - - } __attribute__ ((packed)) adapter_operations; - - struct { - - uint32_t read_policy : 1; - uint32_t write_policy : 1; - uint32_t io_policy : 1; - uint32_t access_policy : 1; - uint32_t reserved : 28; - - } __attribute__ ((packed)) ld_operations; - - struct { - - uint8_t min; - uint8_t max; - uint8_t reserved[2]; - - } __attribute__ ((packed)) stripe_size_operations; - - struct { - - uint32_t force_online : 1; - uint32_t force_offline : 1; - uint32_t force_rebuild : 1; - uint32_t reserved : 29; - - } __attribute__ ((packed)) pd_operations; - - struct { - - uint32_t ctrl_supports_sas : 1; - uint32_t ctrl_supports_sata : 1; - uint32_t allow_mix_in_encl : 1; - uint32_t allow_mix_in_ld : 1; - uint32_t allow_sata_in_cluster : 1; - uint32_t reserved : 27; - - } __attribute__ ((packed)) pd_mix_support; - - /* - * Include the controller properties (changeable items) - */ - uint8_t reserved_2[12]; - struct megasas_ctrl_prop properties; - - uint8_t pad[0x800 - 0x640]; - -} __attribute__ ((packed)); - -/* - * =============================== - * MegaRAID SAS driver definitions - * =============================== - */ - - -#define MEGADRV_MAX_NUM_CMD 1024 - -#define MEGADRV_MAX_PD_CHANNELS 2 -#define MEGADRV_MAX_LD_CHANNELS 2 -#define MEGADRV_MAX_CHANNELS (MEGADRV_MAX_PD_CHANNELS + \ - MEGADRV_MAX_LD_CHANNELS) -#define MEGADRV_MAX_DEV_PER_CHANNEL 128 -#define MEGADRV_DEFAULT_INIT_ID -1 -#define MEGADRV_MAX_CMD_PER_LUN 1000 -#define MEGADRV_MAX_LUN 8 -#define MEGADRV_MAX_LD 64 - -#define MEGADRV_RESET_WAIT_TIME 300 -#define MEGADRV_RESET_NOTICE_INTERVAL 5 - -/* - * All MFI register set macros accept megasas_register_set* - */ -#define RD_OB_MSG_0(regs) readl((void*)(&(regs)->outbound_msg_0)) -#define WR_IN_MSG_0(v, regs) writel((v),(void*)(&(regs)->inbound_msg_0)) -#define WR_IN_DOORBELL(v, regs) writel((v),(void*)(&(regs)->inbound_doorbell)) -#define WR_IN_QPORT(v, regs) writel((v),(void*)(&(regs)->inbound_queue_port)) - -#define RD_OB_INTR_STATUS(regs) readl((void*)(&(regs)->outbound_intr_status)) -#define WR_OB_INTR_STATUS(v, regs) writel((v),(&(regs)->outbound_intr_status)) - -/* - * When FW is in MFI_STATE_READY or MFI_STATE_OPERATIONAL, the state data - * of Outbound Msg Reg 0 indicates max concurrent cmds supported, max SGEs - * supported per cmd and if 64-bit MFAs (M64) is enabled or disabled. - */ -#define MFI_MAX_SUPP_CMDS(regs) ((RD_OB_MSG_0(regs)) & 0x00FFFF) -#define MFI_MAX_SUPP_SGES(regs) (((RD_OB_MSG_0(regs)) & 0x0FF0000) >> 0x10) -#define MFI_M64_ENABLED(regs) ((RD_OB_MSG_0(regs)) & 0x1000000) - -#define MFI_OB_INTR_STATUS_MASK 0x00000002 -#define MFI_POLL_TIMEOUT_SECS 10 - -#define MFI_ENABLE_INTR(regs) writel(1,(void*)(&(regs)->outbound_intr_mask)) - -#define MFI_DISABLE_INTR(regs) \ -{ \ - uint32_t disable = ~0x00000001; \ - uint32_t mask = readl((void*)(&(regs)->outbound_intr_mask)); \ - mask &= disable; \ - writel(mask, (void*)(&(regs)->outbound_intr_mask)); \ -} - - -struct megasas_register_set { - - uint32_t reserved_0[4]; /*0000h*/ - - uint32_t inbound_msg_0; /*0010h*/ - uint32_t inbound_msg_1; /*0014h*/ - uint32_t outbound_msg_0; /*0018h*/ - uint32_t outbound_msg_1; /*001Ch*/ - - uint32_t inbound_doorbell; /*0020h*/ - uint32_t inbound_intr_status; /*0024h*/ - uint32_t inbound_intr_mask; /*0028h*/ - - uint32_t outbound_doorbell; /*002Ch*/ - uint32_t outbound_intr_status; /*0030h*/ - uint32_t outbound_intr_mask; /*0034h*/ - - uint32_t reserved_1[2]; /*0038h*/ - - uint32_t inbound_queue_port; /*0040h*/ - uint32_t outbound_queue_port; /*0044h*/ - - uint32_t reserved_2; /*004Ch*/ - - uint32_t index_registers[1004]; /*0050h*/ - -} __attribute__ ((packed)); - -struct megasas_sge32 { - - uint32_t phys_addr; - uint32_t length; - -} __attribute__ ((packed)); - -struct megasas_sge64 { - - uint64_t phys_addr; - uint32_t length; - -} __attribute__ ((packed)); - -union megasas_sgl { - - struct megasas_sge32 sge32[1]; - struct megasas_sge64 sge64[1]; - -} __attribute__ ((packed)); - -struct megasas_header { - - uint8_t cmd; /*00h*/ - uint8_t sense_len; /*01h*/ - uint8_t cmd_status; /*02h*/ - uint8_t scsi_status; /*03h*/ - - uint8_t target_id; /*04h*/ - uint8_t lun; /*05h*/ - uint8_t cdb_len; /*06h*/ - uint8_t sge_count; /*07h*/ - - uint32_t context; /*08h*/ - uint32_t pad_0; /*0Ch*/ - - uint16_t flags; /*10h*/ - uint16_t timeout; /*12h*/ - uint32_t data_xferlen; /*14h*/ - -} __attribute__ ((packed)); - -union megasas_sgl_frame { - - struct megasas_sge32 sge32[8]; - struct megasas_sge64 sge64[5]; - -} __attribute__ ((packed)); - -struct megasas_init_frame { - - uint8_t cmd; /*00h*/ - uint8_t reserved_0; /*01h*/ - uint8_t cmd_status; /*02h*/ - - uint8_t reserved_1; /*03h*/ - uint32_t reserved_2; /*04h*/ - - uint32_t context; /*08h*/ - uint32_t pad_0; /*0Ch*/ - - uint16_t flags; /*10h*/ - uint16_t reserved_3; /*12h*/ - uint32_t data_xfer_len; /*14h*/ - - uint32_t queue_info_new_phys_addr_lo; /*18h*/ - uint32_t queue_info_new_phys_addr_hi; /*1Ch*/ - uint32_t queue_info_old_phys_addr_lo; /*20h*/ - uint32_t queue_info_old_phys_addr_hi; /*24h*/ - - uint32_t reserved_4[6]; /*28h*/ - -} __attribute__ ((packed)); - -struct megasas_init_queue_info { - - uint32_t init_flags; /*00h*/ - uint32_t reply_queue_entries; /*04h*/ - - uint32_t reply_queue_start_phys_addr_lo; /*08h*/ - uint32_t reply_queue_start_phys_addr_hi; /*0Ch*/ - uint32_t producer_index_phys_addr_lo; /*10h*/ - uint32_t producer_index_phys_addr_hi; /*14h*/ - uint32_t consumer_index_phys_addr_lo; /*18h*/ - uint32_t consumer_index_phys_addr_hi; /*1Ch*/ - -} __attribute__ ((packed)); - -struct megasas_io_frame { - - uint8_t cmd; /*00h*/ - uint8_t sense_len; /*01h*/ - uint8_t cmd_status; /*02h*/ - uint8_t scsi_status; /*03h*/ - - uint8_t target_id; /*04h*/ - uint8_t access_byte; /*05h*/ - uint8_t reserved_0; /*06h*/ - uint8_t sge_count; /*07h*/ - - uint32_t context; /*08h*/ - uint32_t pad_0; /*0Ch*/ - - uint16_t flags; /*10h*/ - uint16_t timeout; /*12h*/ - uint32_t lba_count; /*14h*/ - - uint32_t sense_buf_phys_addr_lo; /*18h*/ - uint32_t sense_buf_phys_addr_hi; /*1Ch*/ - - unsigned long start_lba_lo; /*20h*/ - unsigned long start_lba_hi; /*24h*/ - - union megasas_sgl sgl; /*28h*/ - -} __attribute__ ((packed)); - -struct megasas_pthru_frame { - - uint8_t cmd; /*00h*/ - uint8_t sense_len; /*01h*/ - uint8_t cmd_status; /*02h*/ - uint8_t scsi_status; /*03h*/ - - uint8_t target_id; /*04h*/ - uint8_t lun; /*05h*/ - uint8_t cdb_len; /*06h*/ - uint8_t sge_count; /*07h*/ - - uint32_t context; /*08h*/ - uint32_t pad_0; /*0Ch*/ - - uint16_t flags; /*10h*/ - uint16_t timeout; /*12h*/ - uint32_t data_xfer_len; /*14h*/ - - uint32_t sense_buf_phys_addr_lo; /*18h*/ - uint32_t sense_buf_phys_addr_hi; /*1Ch*/ - - uint8_t cdb[16]; /*20h*/ - union megasas_sgl sgl; /*30h*/ - -} __attribute__ ((packed)); - -struct megasas_dcmd_frame { - - uint8_t cmd; /*00h*/ - uint8_t reserved_0; /*01h*/ - uint8_t cmd_status; /*02h*/ - uint8_t reserved_1[4]; /*03h*/ - uint8_t sge_count; /*07h*/ - - uint32_t context; /*08h*/ - uint32_t pad_0; /*0Ch*/ - - uint16_t flags; /*10h*/ - uint16_t timeout; /*12h*/ - - uint32_t data_xfer_len; /*14h*/ - uint32_t opcode; /*18h*/ - - uint8_t mbox[12]; /*1Ch*/ - - union megasas_sgl sgl; /*28h*/ - -} __attribute__ ((packed)); - -struct megasas_abort_frame { - - uint8_t cmd; /*00h*/ - uint8_t reserved_0; /*01h*/ - uint8_t cmd_status; /*02h*/ - - uint8_t reserved_1; /*03h*/ - uint32_t reserved_2; /*04h*/ - - uint32_t context; /*08h*/ - uint32_t pad_0; /*0Ch*/ - - uint16_t flags; /*10h*/ - uint16_t reserved_3; /*12h*/ - uint32_t reserved_4; /*14h*/ - - uint32_t abort_context; /*18h*/ - uint32_t pad_1; /*1Ch*/ - - uint32_t abort_mfi_phys_addr_lo; /*20h*/ - uint32_t abort_mfi_phys_addr_hi; /*24h*/ - - uint32_t reserved_5[6]; /*28h*/ - -} __attribute__ ((packed)); - -struct megasas_smp_frame { - - uint8_t cmd; /*00h*/ - uint8_t reserved_1; /*01h*/ - uint8_t cmd_status; /*02h*/ - uint8_t connection_status; /*03h*/ - - uint8_t reserved_2[3]; /*04h*/ - uint8_t sge_count; /*07h*/ - - uint32_t context; /*08h*/ - uint32_t pad_0; /*0Ch*/ - - uint16_t flags; /*10h*/ - uint16_t timeout; /*12h*/ - - uint32_t data_xfer_len; /*14h*/ - - uint8_t phy_id; /*18h*/ - uint8_t port_id; /*19h*/ - uint8_t connection_rate; /*1Ah*/ - uint8_t reserved_3; /*1Bh*/ - - uint32_t reserved_4; /*1Ch*/ - - uint64_t sas_addr; /*20h*/ - - union megasas_sgl request_sgl; /*28h*/ - union megasas_sgl response_sgl; - -} __attribute__ ((packed)); - -union megasas_frame { - - struct megasas_header hdr; - struct megasas_init_frame init; - struct megasas_io_frame io; - struct megasas_pthru_frame pthru; - struct megasas_dcmd_frame dcmd; - struct megasas_abort_frame abort; - struct megasas_smp_frame smp; - - uint8_t raw_bytes[64]; - -}; - -struct megasas_cmd; - -union megasas_evt_class_locale { - - struct { - uint16_t locale; - uint8_t reserved; - int8_t class; - } __attribute__ ((packed)) members; - - uint32_t word; - -} __attribute__ ((packed)); - -struct megasas_evt_log_info { - uint32_t newest_seq_num; - uint32_t oldest_seq_num; - uint32_t clear_seq_num; - uint32_t shutdown_seq_num; - uint32_t boot_seq_num; - -} __attribute__ ((packed)); - -struct megasas_progress { - - uint16_t progress; - uint16_t elapsed_seconds; - -} __attribute__ ((packed)); - -struct megasas_evtarg_ld { - - uint16_t target_id; - uint8_t ld_index; - uint8_t reserved; - -} __attribute__ ((packed)); - -struct megasas_evtarg_pd { - uint16_t device_id; - uint8_t encl_index; - uint8_t slot_number; - -} __attribute__ ((packed)); - -struct megasas_evt_detail { - - uint32_t seq_num; - uint32_t time_stamp; - uint32_t code; - union megasas_evt_class_locale cl; - uint8_t arg_type; - uint8_t reserved1[15]; - - union { - struct { - struct megasas_evtarg_pd pd; - uint8_t cdb_length; - uint8_t sense_length; - uint8_t reserved[2]; - uint8_t cdb[16]; - uint8_t sense[64]; - } __attribute__ ((packed)) cdbSense; - - struct megasas_evtarg_ld ld; - - struct { - struct megasas_evtarg_ld ld; - uint64_t count; - } __attribute__ ((packed)) ld_count; - - struct { - uint64_t lba; - struct megasas_evtarg_ld ld; - } __attribute__ ((packed)) ld_lba; - - struct { - struct megasas_evtarg_ld ld; - uint32_t prevOwner; - uint32_t newOwner; - } __attribute__ ((packed)) ld_owner; - - struct { - uint64_t ld_lba; - uint64_t pd_lba; - struct megasas_evtarg_ld ld; - struct megasas_evtarg_pd pd; - } __attribute__ ((packed)) ld_lba_pd_lba; - - struct { - struct megasas_evtarg_ld ld; - struct megasas_progress prog; - } __attribute__ ((packed)) ld_prog; - - struct { - struct megasas_evtarg_ld ld; - uint32_t prev_state; - uint32_t new_state; - } __attribute__ ((packed)) ld_state; - - struct { - uint64_t strip; - struct megasas_evtarg_ld ld; - } __attribute__ ((packed)) ld_strip; - - struct megasas_evtarg_pd pd; - - struct { - struct megasas_evtarg_pd pd; - uint32_t err; - } __attribute__ ((packed)) pd_err; - - struct { - uint64_t lba; - struct megasas_evtarg_pd pd; - } __attribute__ ((packed)) pd_lba; - - struct { - uint64_t lba; - struct megasas_evtarg_pd pd; - struct megasas_evtarg_ld ld; - } __attribute__ ((packed)) pd_lba_ld; - - struct { - struct megasas_evtarg_pd pd; - struct megasas_progress prog; - } __attribute__ ((packed)) pd_prog; - - struct { - struct megasas_evtarg_pd pd; - uint32_t prevState; - uint32_t newState; - } __attribute__ ((packed)) pd_state; - - struct { - uint16_t vendorId; - uint16_t deviceId; - uint16_t subVendorId; - uint16_t subDeviceId; - } __attribute__ ((packed)) pci; - - uint32_t rate; - char str[96]; - - struct { - uint32_t rtc; - uint32_t elapsedSeconds; - } __attribute__ ((packed)) time; - - struct { - uint32_t ecar; - uint32_t elog; - char str[64]; - } __attribute__ ((packed)) ecc; - - uint8_t b[96]; - uint16_t s[48]; - uint32_t w[24]; - uint64_t d[12]; - } args; - - char description[128]; - -} __attribute__ ((packed)); - -struct megasas_instance { - - uint32_t producer; - uint32_t consumer; - - uint32_t* reply_queue; - dma_addr_t reply_queue_phys_addr; - - dma_addr_t phys_addr; - - unsigned long base_addr; - struct megasas_register_set __iomem* reg_set; - - int8_t init_id; - uint8_t reserved[3]; - - uint16_t max_num_sge; - uint16_t max_fw_cmds; - uint32_t max_sectors_per_req; - - struct megasas_cmd* cmd_list; - struct list_head cmd_pool; - spinlock_t cmd_pool_lock; - struct dma_pool* frame_dma_pool; - struct dma_pool* sense_dma_pool; - - struct megasas_evt_detail evt_detail; - struct megasas_cmd* aen_cmd; - - struct Scsi_Host* host; - spinlock_t lock; - spinlock_t* host_lock; - - wait_queue_head_t int_cmd_wait_q; - wait_queue_head_t abort_cmd_wait_q; - - struct pci_dev* pdev; - uint32_t unique_id; -}; - -/* - * Various conversion macros from SCSI command - */ -#define SCP2HOST(scp) (scp)->device->host // to host -#define SCP2HOSTDATA(scp) SCP2HOST(scp)->hostdata // to soft state -#define SCP2CHANNEL(scp) (scp)->device->channel // to channel -#define SCP2TARGET(scp) (scp)->device->id // to target -#define SCP2LUN(scp) (scp)->device->lun // to LUN - -#define SCSIHOST2ADAP(host) (((caddr_t *)(host->hostdata))[0]) -#define SCP2ADAPTER(scp) (struct megasas_instance*)SCSIHOST2ADAP(SCP2HOST(scp)) - -#define MEGADRV_IS_LOGICAL(scp) \ - (SCP2CHANNEL(scp) < MEGADRV_MAX_PD_CHANNELS) ? 0 : 1 - -#define MEGADRV_DEV_INDEX(inst, scp) \ - ((SCP2CHANNEL(scp) % 2) * MEGADRV_MAX_DEV_PER_CHANNEL) + SCP2TARGET(scp) - -struct megasas_cmd { - - union megasas_frame* frame; - dma_addr_t frame_phys_addr; - uint8_t* sense; - dma_addr_t sense_phys_addr; - - uint32_t index; - uint8_t sync_cmd; - uint8_t cmd_status; - uint16_t abort_aen; - - struct list_head list; - struct scsi_cmnd* scmd; - uint32_t frame_count; -}; - -#define MAX_MGMT_ADAPTERS 1024 -#define IOC_SIGNATURE "LSILOGIC" - -#define IOC_CMD_FIRMWARE 0x0 -#define MR_DRIVER_IOCTL_COMMON 0xF0010000 -#define MR_DRIVER_IOCTL_DRIVER_VERSION 0xF0010100 -#define MR_DRIVER_IOCTL_PCI_INFORMATION 0xF0010200 -#define MR_DRIVER_IOCTL_MEGARAID_STATISTICS 0xF0010300 - -#define MR_DRIVER_IOCTL_LINUX 0xF0040000 -#define MR_LINUX_GET_ADAPTER_COUNT (MR_DRIVER_IOCTL_LINUX | 0x0100) -#define MR_LINUX_GET_ADAPTER_MAP (MR_DRIVER_IOCTL_LINUX | 0x0200) -#define MR_LINUX_GET_AEN (MR_DRIVER_IOCTL_LINUX | 0x0300) - -#define MR_MAX_SENSE_LENGTH 32 - -struct iocpacket { - - uint16_t version; - uint16_t controller_id; - uint8_t signature[8]; - uint32_t reserved_1; - uint32_t control_code; - uint32_t reserved_2[2]; - uint8_t frame[64]; - union megasas_sgl_frame sgl_frame; - uint8_t sense_buff[MR_MAX_SENSE_LENGTH]; - uint8_t data[1]; - -} __attribute__ ((packed)); - -struct megasas_mgmt_info { - - uint16_t count; - struct megasas_instance* instance[MAX_MGMT_ADAPTERS]; - uint16_t map[MAX_MGMT_ADAPTERS]; - int max_index; -}; - -struct megasas_drv_ver { - uint8_t signature[12]; - uint8_t os_name[16]; - uint8_t os_ver[12]; - uint8_t drv_name[20]; - uint8_t drv_ver[32]; - uint8_t drv_rel_date[20]; - -} __attribute__ ((packed)); - -#endif /*LSI_MEGARAID_SAS_H*/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/