2002-09-21 00:57:11

by Matthew Dobson

[permalink] [raw]
Subject: [patch] rename arch/i386/pci/numa.c

diff -Nur linux-2.5.37-vanilla/arch/i386/pci/Makefile linux-2.5.37-multiquad/arch/i386/pci/Makefile
--- linux-2.5.37-vanilla/arch/i386/pci/Makefile Fri Sep 20 08:20:30 2002
+++ linux-2.5.37-multiquad/arch/i386/pci/Makefile Fri Sep 20 13:50:22 2002
@@ -3,8 +3,8 @@
obj-$(CONFIG_PCI_BIOS) += pcbios.o
obj-$(CONFIG_PCI_DIRECT) += direct.o

-ifdef CONFIG_MULTIQUAD
-obj-y += numa.o
+ifdef CONFIG_X86_NUMAQ
+obj-y += numaq.o
else
obj-y += fixup.o

@@ -14,7 +14,7 @@
obj-y += legacy.o


-endif # CONFIG_MULTIQUAD
+endif # CONFIG_X86_NUMAQ
obj-y += irq.o common.o

include $(TOPDIR)/Rules.make
diff -Nur linux-2.5.37-vanilla/arch/i386/pci/numa.c linux-2.5.37-multiquad/arch/i386/pci/numa.c
--- linux-2.5.37-vanilla/arch/i386/pci/numa.c Fri Sep 20 08:20:19 2002
+++ linux-2.5.37-multiquad/arch/i386/pci/numa.c Wed Dec 31 16:00:00 1969
@@ -1,141 +0,0 @@
-/*
- * numa.c - Low-level PCI access for NUMA-Q machines
- */
-
-#include <linux/pci.h>
-#include <linux/init.h>
-#include "pci.h"
-
-#define BUS2QUAD(global) (mp_bus_id_to_node[global])
-#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
-#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
-
-#define PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg) \
- (0x80000000 | (BUS2LOCAL(bus) << 16) | (dev << 11) | (fn << 8) | (reg & ~3))
-
-static int __pci_conf1_mq_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
-{
- unsigned long flags;
-
- if (!value || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
- return -EINVAL;
-
- spin_lock_irqsave(&pci_config_lock, flags);
-
- outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, BUS2QUAD(bus));
-
- switch (len) {
- case 1:
- *value = inb_quad(0xCFC + (reg & 3), BUS2QUAD(bus));
- break;
- case 2:
- *value = inw_quad(0xCFC + (reg & 2), BUS2QUAD(bus));
- break;
- case 4:
- *value = inl_quad(0xCFC, BUS2QUAD(bus));
- break;
- }
-
- spin_unlock_irqrestore(&pci_config_lock, flags);
-
- return 0;
-}
-
-static int __pci_conf1_mq_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value)
-{
- unsigned long flags;
-
- if ((bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
- return -EINVAL;
-
- spin_lock_irqsave(&pci_config_lock, flags);
-
- outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, BUS2QUAD(bus));
-
- switch (len) {
- case 1:
- outb_quad((u8)value, 0xCFC + (reg & 3), BUS2QUAD(bus));
- break;
- case 2:
- outw_quad((u16)value, 0xCFC + (reg & 2), BUS2QUAD(bus));
- break;
- case 4:
- outl_quad((u32)value, 0xCFC, BUS2QUAD(bus));
- break;
- }
-
- spin_unlock_irqrestore(&pci_config_lock, flags);
-
- return 0;
-}
-
-#undef PCI_CONF1_MQ_ADDRESS
-
-static int pci_conf1_mq_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
-{
- return __pci_conf1_mq_read(0, bus->number, PCI_SLOT(devfn),
- PCI_FUNC(devfn), where, size, value);
-}
-
-static int pci_conf1_mq_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
-{
- return __pci_conf1_mq_write(0, bus->number, PCI_SLOT(devfn),
- PCI_FUNC(devfn), where, size, value);
-}
-
-static struct pci_ops pci_direct_conf1_mq = {
- read: pci_conf1_mq_read,
- write: pci_conf1_mq_write
-};
-
-
-static void __devinit pci_fixup_i450nx(struct pci_dev *d)
-{
- /*
- * i450NX -- Find and scan all secondary buses on all PXB's.
- */
- int pxb, reg;
- u8 busno, suba, subb;
- int quad = BUS2QUAD(d->bus->number);
-
- printk("PCI: Searching for i450NX host bridges on %s\n", d->slot_name);
- reg = 0xd0;
- for(pxb=0; pxb<2; pxb++) {
- pci_read_config_byte(d, reg++, &busno);
- pci_read_config_byte(d, reg++, &suba);
- pci_read_config_byte(d, reg++, &subb);
- DBG("i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno, suba, subb);
- if (busno)
- pci_scan_bus(QUADLOCAL2BUS(quad,busno), pci_root_ops, NULL); /* Bus A */
- if (suba < subb)
- pci_scan_bus(QUADLOCAL2BUS(quad,suba+1), pci_root_ops, NULL); /* Bus B */
- }
- pcibios_last_bus = -1;
-}
-
-struct pci_fixup pcibios_fixups[] = {
- { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx },
-};
-
-static int __init pci_numa_init(void)
-{
- int quad;
-
- pci_root_ops = &pci_direct_conf1_mq;
-
- if (pcibios_scanned++)
- return 0;
-
- pci_root_bus = pcibios_scan_root(0);
- if (clustered_apic_mode && (numnodes > 1)) {
- for (quad = 1; quad < numnodes; ++quad) {
- printk("Scanning PCI bus %d for quad %d\n",
- QUADLOCAL2BUS(quad,0), quad);
- pci_scan_bus(QUADLOCAL2BUS(quad,0),
- pci_root_ops, NULL);
- }
- }
- return 0;
-}
-
-subsys_initcall(pci_numa_init);
diff -Nur linux-2.5.37-vanilla/arch/i386/pci/numaq.c linux-2.5.37-multiquad/arch/i386/pci/numaq.c
--- linux-2.5.37-vanilla/arch/i386/pci/numaq.c Wed Dec 31 16:00:00 1969
+++ linux-2.5.37-multiquad/arch/i386/pci/numaq.c Fri Sep 20 13:28:30 2002
@@ -0,0 +1,141 @@
+/*
+ * numa.c - Low-level PCI access for NUMA-Q machines
+ */
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include "pci.h"
+
+#define BUS2QUAD(global) (mp_bus_id_to_node[global])
+#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
+#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
+
+#define PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg) \
+ (0x80000000 | (BUS2LOCAL(bus) << 16) | (dev << 11) | (fn << 8) | (reg & ~3))
+
+static int __pci_conf1_mq_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
+{
+ unsigned long flags;
+
+ if (!value || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ return -EINVAL;
+
+ spin_lock_irqsave(&pci_config_lock, flags);
+
+ outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, BUS2QUAD(bus));
+
+ switch (len) {
+ case 1:
+ *value = inb_quad(0xCFC + (reg & 3), BUS2QUAD(bus));
+ break;
+ case 2:
+ *value = inw_quad(0xCFC + (reg & 2), BUS2QUAD(bus));
+ break;
+ case 4:
+ *value = inl_quad(0xCFC, BUS2QUAD(bus));
+ break;
+ }
+
+ spin_unlock_irqrestore(&pci_config_lock, flags);
+
+ return 0;
+}
+
+static int __pci_conf1_mq_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value)
+{
+ unsigned long flags;
+
+ if ((bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ return -EINVAL;
+
+ spin_lock_irqsave(&pci_config_lock, flags);
+
+ outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, BUS2QUAD(bus));
+
+ switch (len) {
+ case 1:
+ outb_quad((u8)value, 0xCFC + (reg & 3), BUS2QUAD(bus));
+ break;
+ case 2:
+ outw_quad((u16)value, 0xCFC + (reg & 2), BUS2QUAD(bus));
+ break;
+ case 4:
+ outl_quad((u32)value, 0xCFC, BUS2QUAD(bus));
+ break;
+ }
+
+ spin_unlock_irqrestore(&pci_config_lock, flags);
+
+ return 0;
+}
+
+#undef PCI_CONF1_MQ_ADDRESS
+
+static int pci_conf1_mq_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
+{
+ return __pci_conf1_mq_read(0, bus->number, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), where, size, value);
+}
+
+static int pci_conf1_mq_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
+{
+ return __pci_conf1_mq_write(0, bus->number, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), where, size, value);
+}
+
+static struct pci_ops pci_direct_conf1_mq = {
+ read: pci_conf1_mq_read,
+ write: pci_conf1_mq_write
+};
+
+
+static void __devinit pci_fixup_i450nx(struct pci_dev *d)
+{
+ /*
+ * i450NX -- Find and scan all secondary buses on all PXB's.
+ */
+ int pxb, reg;
+ u8 busno, suba, subb;
+ int quad = BUS2QUAD(d->bus->number);
+
+ printk("PCI: Searching for i450NX host bridges on %s\n", d->slot_name);
+ reg = 0xd0;
+ for(pxb=0; pxb<2; pxb++) {
+ pci_read_config_byte(d, reg++, &busno);
+ pci_read_config_byte(d, reg++, &suba);
+ pci_read_config_byte(d, reg++, &subb);
+ DBG("i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno, suba, subb);
+ if (busno)
+ pci_scan_bus(QUADLOCAL2BUS(quad,busno), pci_root_ops, NULL); /* Bus A */
+ if (suba < subb)
+ pci_scan_bus(QUADLOCAL2BUS(quad,suba+1), pci_root_ops, NULL); /* Bus B */
+ }
+ pcibios_last_bus = -1;
+}
+
+struct pci_fixup pcibios_fixups[] = {
+ { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx },
+};
+
+static int __init pci_numa_init(void)
+{
+ int quad;
+
+ pci_root_ops = &pci_direct_conf1_mq;
+
+ if (pcibios_scanned++)
+ return 0;
+
+ pci_root_bus = pcibios_scan_root(0);
+ if (clustered_apic_mode && (numnodes > 1)) {
+ for (quad = 1; quad < numnodes; ++quad) {
+ printk("Scanning PCI bus %d for quad %d\n",
+ QUADLOCAL2BUS(quad,0), quad);
+ pci_scan_bus(QUADLOCAL2BUS(quad,0),
+ pci_root_ops, NULL);
+ }
+ }
+ return 0;
+}
+
+subsys_initcall(pci_numa_init);


Attachments:
pci_numa_rename-2.5.37.patch (8.32 kB)