[PATCH] PCI: domain support for sysfs
arch/alpha/Kconfig | 4 ++++
arch/alpha/kernel/pci.c | 8 --------
arch/ia64/Kconfig | 4 ++++
arch/ia64/hp/common/sba_iommu.c | 2 +-
arch/ia64/pci/pci.c | 4 ++--
arch/ppc/Kconfig | 4 ++++
arch/ppc/kernel/pci.c | 10 ----------
arch/ppc64/Kconfig | 4 ++++
arch/ppc64/kernel/pci.c | 6 +++---
arch/sparc64/Kconfig | 4 ++++
arch/sparc64/kernel/pci.c | 6 +++---
drivers/pci/probe.c | 3 ++-
drivers/pci/proc.c | 2 +-
include/asm-alpha/pci.h | 5 ++---
include/asm-arm/pci.h | 8 --------
include/asm-h8300/pci.h | 3 ---
include/asm-i386/pci.h | 6 ------
include/asm-ia64/pci.h | 5 +----
include/asm-m68k/pci.h | 3 ---
include/asm-mips/pci.h | 3 ---
include/asm-mips64/pci.h | 5 -----
include/asm-parisc/pci.h | 3 ---
include/asm-ppc/pci-bridge.h | 2 +-
include/asm-ppc/pci.h | 2 +-
include/asm-ppc64/pci.h | 3 +--
include/asm-sh/pci.h | 3 ---
include/asm-sparc/pci.h | 3 ---
include/asm-sparc64/pci.h | 2 +-
include/asm-v850/rte_cb.h | 1 -
include/asm-x86_64/pci.h | 6 ------
include/linux/pci.h | 10 ++++++++++
31 files changed, 49 insertions(+), 85 deletions(-)
diff -Nru a/arch/alpha/Kconfig b/arch/alpha/Kconfig
--- a/arch/alpha/Kconfig Tue Jun 10 11:16:11 2003
+++ b/arch/alpha/Kconfig Tue Jun 10 11:16:11 2003
@@ -295,6 +295,10 @@
information about which PCI hardware does work under Linux and which
doesn't.
+config PCI_DOMAINS
+ bool
+ default PCI
+
config ALPHA_CORE_AGP
bool
depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL
diff -Nru a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
--- a/arch/alpha/kernel/pci.c Tue Jun 10 11:16:11 2003
+++ b/arch/alpha/kernel/pci.c Tue Jun 10 11:16:11 2003
@@ -484,11 +484,3 @@
return -EOPNOTSUPP;
}
-
-/* Return the index of the PCI controller for device PDEV. */
-int
-pci_controller_num(struct pci_dev *pdev)
-{
- struct pci_controller *hose = pdev->sysdata;
- return (hose ? (int) hose->index : -ENXIO);
-}
diff -Nru a/arch/ia64/Kconfig b/arch/ia64/Kconfig
--- a/arch/ia64/Kconfig Tue Jun 10 11:16:11 2003
+++ b/arch/ia64/Kconfig Tue Jun 10 11:16:11 2003
@@ -543,6 +543,10 @@
information about which PCI hardware does work under Linux and which
doesn't.
+config PCI_DOMAINS
+ bool
+ default PCI
+
source "drivers/pci/Kconfig"
config HOTPLUG
diff -Nru a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
--- a/arch/ia64/hp/common/sba_iommu.c Tue Jun 10 11:16:11 2003
+++ b/arch/ia64/hp/common/sba_iommu.c Tue Jun 10 11:16:11 2003
@@ -1889,7 +1889,7 @@
handle = parent;
} while (ACPI_SUCCESS(status));
- printk(KERN_WARNING "No IOC for PCI Bus %02x:%02x in ACPI\n", PCI_SEGMENT(bus), bus->number);
+ printk(KERN_WARNING "No IOC for PCI Bus %04x:%02x in ACPI\n", pci_domain_nr(bus), bus->number);
}
static int __init
diff -Nru a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
--- a/arch/ia64/pci/pci.c Tue Jun 10 11:16:11 2003
+++ b/arch/ia64/pci/pci.c Tue Jun 10 11:16:11 2003
@@ -87,14 +87,14 @@
static int
pci_sal_read (struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
{
- return __pci_sal_read(PCI_SEGMENT(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
+ return __pci_sal_read(pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
where, size, value);
}
static int
pci_sal_write (struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
{
- return __pci_sal_write(PCI_SEGMENT(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
+ return __pci_sal_write(pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
where, size, value);
}
diff -Nru a/arch/ppc/Kconfig b/arch/ppc/Kconfig
--- a/arch/ppc/Kconfig Tue Jun 10 11:16:11 2003
+++ b/arch/ppc/Kconfig Tue Jun 10 11:16:11 2003
@@ -773,6 +773,10 @@
your box. If you say Y here, the kernel will include drivers and
infrastructure code to support PCI bus devices.
+config PCI_DOMAINS
+ bool
+ default PCI
+
config PC_KEYBOARD
bool "PC PS/2 style Keyboard"
depends on 4xx || 8260
diff -Nru a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c
--- a/arch/ppc/kernel/pci.c Tue Jun 10 11:16:11 2003
+++ b/arch/ppc/kernel/pci.c Tue Jun 10 11:16:11 2003
@@ -1483,16 +1483,6 @@
}
/*
- * Return the index of the PCI controller for device pdev.
- */
-int pci_controller_num(struct pci_dev *dev)
-{
- struct pci_controller *hose = (struct pci_controller *) dev->sysdata;
-
- return hose->index;
-}
-
-/*
* Platform support for /proc/bus/pci/X/Y mmap()s,
* modelled on the sparc64 implementation by Dave Miller.
* -- paulus.
diff -Nru a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
--- a/arch/ppc64/Kconfig Tue Jun 10 11:16:11 2003
+++ b/arch/ppc64/Kconfig Tue Jun 10 11:16:11 2003
@@ -171,6 +171,10 @@
your box. If you say Y here, the kernel will include drivers and
infrastructure code to support PCI bus devices.
+config PCI_DOMAINS
+ bool
+ default PCI
+
# only elf supported, a.out is not -- Cort
config KCORE_ELF
bool
diff -Nru a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c
--- a/arch/ppc64/kernel/pci.c Tue Jun 10 11:16:11 2003
+++ b/arch/ppc64/kernel/pci.c Tue Jun 10 11:16:11 2003
@@ -371,11 +371,11 @@
}
/*
- * Return the index of the PCI controller for device pdev.
+ * Return the domain number for this bus.
*/
-int pci_controller_num(struct pci_dev *dev)
+int pci_domain_nr(struct pci_bus *bus)
{
- struct pci_controller *hose = PCI_GET_PHB_PTR(dev);
+ struct pci_controller *hose = PCI_GET_PHB_PTR(bus);
return hose->global_number;
}
diff -Nru a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
--- a/arch/sparc64/Kconfig Tue Jun 10 11:16:11 2003
+++ b/arch/sparc64/Kconfig Tue Jun 10 11:16:11 2003
@@ -318,6 +318,10 @@
information about which PCI hardware does work under Linux and which
doesn't.
+config PCI_DOMAINS
+ bool
+ default PCI
+
config RTC
tristate
depends on PCI
diff -Nru a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
--- a/arch/sparc64/kernel/pci.c Tue Jun 10 11:16:11 2003
+++ b/arch/sparc64/kernel/pci.c Tue Jun 10 11:16:11 2003
@@ -802,11 +802,11 @@
return 0;
}
-/* Return the index of the PCI controller for device PDEV. */
+/* Return the domain nuber for this pci bus */
-int pci_controller_num(struct pci_dev *pdev)
+int pci_domain_nr(struct pci_bus *bus)
{
- struct pcidev_cookie *cookie = pdev->sysdata;
+ struct pcidev_cookie *cookie = bus->sysdata;
int ret;
if (cookie != NULL) {
diff -Nru a/drivers/pci/probe.c b/drivers/pci/probe.c
--- a/drivers/pci/probe.c Tue Jun 10 11:16:11 2003
+++ b/drivers/pci/probe.c Tue Jun 10 11:16:11 2003
@@ -529,7 +529,8 @@
pci_name_device(dev);
/* now put in global tree */
- strcpy(dev->dev.bus_id,dev->slot_name);
+ sprintf(dev->dev.bus_id, "%04x:%s", pci_domain_nr(bus),
+ dev->slot_name);
dev->dev.dma_mask = &dev->dma_mask;
return dev;
diff -Nru a/drivers/pci/proc.c b/drivers/pci/proc.c
--- a/drivers/pci/proc.c Tue Jun 10 11:16:11 2003
+++ b/drivers/pci/proc.c Tue Jun 10 11:16:11 2003
@@ -210,7 +210,7 @@
switch (cmd) {
case PCIIOC_CONTROLLER:
- ret = pci_controller_num(dev);
+ ret = pci_domain_nr(dev->bus);
break;
#ifdef HAVE_PCI_MMAP
diff -Nru a/include/asm-alpha/pci.h b/include/asm-alpha/pci.h
--- a/include/asm-alpha/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-alpha/pci.h Tue Jun 10 11:16:11 2003
@@ -188,12 +188,11 @@
/* Nothing to do. */
}
-/* Return the index of the PCI controller for device PDEV. */
-extern int pci_controller_num(struct pci_dev *pdev);
-
extern void
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
struct resource *res);
+
+#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
#endif /* __KERNEL__ */
diff -Nru a/include/asm-arm/pci.h b/include/asm-arm/pci.h
--- a/include/asm-arm/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-arm/pci.h Tue Jun 10 11:16:11 2003
@@ -128,14 +128,6 @@
*/
#define pci_dac_dma_supported(pci_dev, mask) (0)
-/*
- * Return the index of the PCI controller for device PDEV.
- */
-static inline int pci_controller_num(struct pci_dev *dev)
-{
- return 0;
-}
-
#if defined(CONFIG_SA1111) && !defined(CONFIG_PCI)
/*
diff -Nru a/include/asm-h8300/pci.h b/include/asm-h8300/pci.h
--- a/include/asm-h8300/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-h8300/pci.h Tue Jun 10 11:16:11 2003
@@ -19,7 +19,4 @@
/* We don't do dynamic PCI IRQ allocation */
}
-/* Return the index of the PCI controller for device PDEV. */
-#define pci_controller_num(PDEV) (0)
-
#endif /* _ASM_H8300_PCI_H */
diff -Nru a/include/asm-i386/pci.h b/include/asm-i386/pci.h
--- a/include/asm-i386/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-i386/pci.h Tue Jun 10 11:16:11 2003
@@ -90,12 +90,6 @@
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
-/* Return the index of the PCI controller for device. */
-static inline int pci_controller_num(struct pci_dev *dev)
-{
- return 0;
-}
-
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
diff -Nru a/include/asm-ia64/pci.h b/include/asm-ia64/pci.h
--- a/include/asm-ia64/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-ia64/pci.h Tue Jun 10 11:16:11 2003
@@ -70,9 +70,6 @@
#define pci_dac_dma_to_offset(dev,dma_addr) ((dma_addr) & ~PAGE_MASK)
#define pci_dac_dma_sync_single(dev,dma_addr,len,dir) do { mb(); } while (0)
-/* Return the index of the PCI controller for device PDEV. */
-#define pci_controller_num(PDEV) (0)
-
#define sg_dma_len(sg) ((sg)->dma_length)
#define sg_dma_address(sg) ((sg)->dma_address)
@@ -95,7 +92,7 @@
};
#define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata)
-#define PCI_SEGMENT(busdev) (PCI_CONTROLLER(busdev)->segment)
+#define pci_domain_nr(busdev) (PCI_CONTROLLER(busdev)->segment)
/* generic pci stuff */
#include <asm-generic/pci.h>
diff -Nru a/include/asm-m68k/pci.h b/include/asm-m68k/pci.h
--- a/include/asm-m68k/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-m68k/pci.h Tue Jun 10 11:16:11 2003
@@ -45,9 +45,6 @@
/* We don't do dynamic PCI IRQ allocation */
}
-/* Return the index of the PCI controller for device PDEV. */
-#define pci_controller_num(PDEV) (0)
-
/* The PCI address space does equal the physical memory
* address space. The networking and block device layers use
* this boolean for bounce buffer decisions.
diff -Nru a/include/asm-mips/pci.h b/include/asm-mips/pci.h
--- a/include/asm-mips/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-mips/pci.h Tue Jun 10 11:16:11 2003
@@ -237,9 +237,6 @@
}
-/* Return the index of the PCI controller for device. */
-#define pci_controller_num(pdev) (0)
-
/*
* These macros should be used after a pci_map_sg call has been done
* to get bus addresses of each of the SG entries and their lengths.
diff -Nru a/include/asm-mips64/pci.h b/include/asm-mips64/pci.h
--- a/include/asm-mips64/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-mips64/pci.h Tue Jun 10 11:16:11 2003
@@ -256,11 +256,6 @@
}
/*
- * Return the index of the PCI controller for device.
- */
-#define pci_controller_num(pdev) (0)
-
-/*
* These macros should be used after a pci_map_sg call has been done
* to get bus addresses of each of the SG entries and their lengths.
* You should only work with the number of sg entries pci_map_sg
diff -Nru a/include/asm-parisc/pci.h b/include/asm-parisc/pci.h
--- a/include/asm-parisc/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-parisc/pci.h Tue Jun 10 11:16:11 2003
@@ -180,9 +180,6 @@
/* Don't support DAC yet. */
#define pci_dac_dma_supported(pci_dev, mask) (0)
-/* Return the index of the PCI controller for device PDEV. */
-#define pci_controller_num(PDEV) (0)
-
/* export the pci_ DMA API in terms of the dma_ one */
#include <asm-generic/pci-dma-compat.h>
diff -Nru a/include/asm-ppc/pci-bridge.h b/include/asm-ppc/pci-bridge.h
--- a/include/asm-ppc/pci-bridge.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-ppc/pci-bridge.h Tue Jun 10 11:16:11 2003
@@ -39,7 +39,7 @@
* Structure of a PCI controller (host bridge)
*/
struct pci_controller {
- int index; /* used for pci_controller_num */
+ int index; /* PCI domain number */
struct pci_controller *next;
struct pci_bus *bus;
void *arch_data;
diff -Nru a/include/asm-ppc/pci.h b/include/asm-ppc/pci.h
--- a/include/asm-ppc/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-ppc/pci.h Tue Jun 10 11:16:11 2003
@@ -266,7 +266,7 @@
}
/* Return the index of the PCI controller for device PDEV. */
-extern int pci_controller_num(struct pci_dev *pdev);
+#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
diff -Nru a/include/asm-ppc64/pci.h b/include/asm-ppc64/pci.h
--- a/include/asm-ppc64/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-ppc64/pci.h Tue Jun 10 11:16:11 2003
@@ -86,8 +86,7 @@
return 1;
}
-/* Return the index of the PCI controller for device PDEV. */
-extern int pci_controller_num(struct pci_dev *pdev);
+extern int pci_domain_nr(struct pci_bus *bus);
struct vm_area_struct;
/* Map a range of PCI memory or I/O space for a device into user space */
diff -Nru a/include/asm-sh/pci.h b/include/asm-sh/pci.h
--- a/include/asm-sh/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-sh/pci.h Tue Jun 10 11:16:11 2003
@@ -226,9 +226,6 @@
*/
#define pci_dac_dma_supported(pci_dev, mask) (0)
-/* Return the index of the PCI controller for device PDEV. */
-#define pci_controller_num(PDEV) (0)
-
/* These macros should be used after a pci_map_sg call has been done
* to get bus addresses of each of the SG entries and their lengths.
* You should only work with the number of sg entries pci_map_sg
diff -Nru a/include/asm-sparc/pci.h b/include/asm-sparc/pci.h
--- a/include/asm-sparc/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-sparc/pci.h Tue Jun 10 11:16:11 2003
@@ -132,9 +132,6 @@
#define pci_dac_dma_supported(dev, mask) (0)
-/* Return the index of the PCI controller for device PDEV. */
-#define pci_controller_num(PDEV) (0)
-
#endif /* __KERNEL__ */
/* generic pci stuff */
diff -Nru a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h
--- a/include/asm-sparc64/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-sparc64/pci.h Tue Jun 10 11:16:11 2003
@@ -189,7 +189,7 @@
/* Return the index of the PCI controller for device PDEV. */
-extern int pci_controller_num(struct pci_dev *pdev);
+extern int pci_domain_nr(struct pci_bus *bus);
/* Platform support for /proc/bus/pci/X/Y mmap()s. */
diff -Nru a/include/asm-v850/rte_cb.h b/include/asm-v850/rte_cb.h
--- a/include/asm-v850/rte_cb.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-v850/rte_cb.h Tue Jun 10 11:16:11 2003
@@ -54,7 +54,6 @@
instead, perversely enough, this becomes always true! */
#define pci_dma_supported(dev, mask) 1
#define pci_dac_dma_supported(dev, mask) 0
-#define pci_controller_num(dev) 0
#define pcibios_assign_all_busses() 1
diff -Nru a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
--- a/include/asm-x86_64/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/asm-x86_64/pci.h Tue Jun 10 11:16:11 2003
@@ -270,12 +270,6 @@
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
-/* Return the index of the PCI controller for device. */
-static inline int pci_controller_num(struct pci_dev *dev)
-{
- return 0;
-}
-
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
diff -Nru a/include/linux/pci.h b/include/linux/pci.h
--- a/include/linux/pci.h Tue Jun 10 11:16:11 2003
+++ b/include/linux/pci.h Tue Jun 10 11:16:11 2003
@@ -805,5 +805,15 @@
#define PCIPCI_VSFX 16
#define PCIPCI_ALIMAGIK 32
+/*
+ * PCI domain support. Sometimes called PCI segment (eg by ACPI),
+ * a PCI domain is defined to be a set of PCI busses which share
+ * configuration space.
+ */
+
+#ifndef CONFIG_PCI_DOMAINS
+#define pci_domain_nr(bus) 0
+#endif
+
#endif /* __KERNEL__ */
#endif /* LINUX_PCI_H */
-
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