[RFC][PATCH 9/10] 64 bit resources arch changes

From: Vivek Goyal
Date: Thu Mar 23 2006 - 15:07:54 EST

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o Changes required for various arch/, for 64 bit resources.

Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <greg@xxxxxxxxx>
Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
---

arch/arm/kernel/bios32.c | 6 ++---
arch/arm/kernel/setup.c | 42 +++++++++++++++++++++++++++++++++++------
arch/i386/kernel/efi.c | 6 +++--
arch/i386/pci/i386.c | 4 +--
arch/ppc/kernel/pci.c | 46 ++++++++++++++++++++++++++-------------------
arch/sparc/kernel/ioport.c | 8 ++++---
include/asm-arm/mach/pci.h | 2 -
7 files changed, 78 insertions(+), 36 deletions(-)

diff -puN arch/arm/kernel/bios32.c~64bit-resources-arch-changes arch/arm/kernel/bios32.c
--- linux-2.6.16-mm1/arch/arm/kernel/bios32.c~64bit-resources-arch-changes 2006-03-23 11:39:21.000000000 -0500
+++ linux-2.6.16-mm1-root/arch/arm/kernel/bios32.c 2006-03-23 11:39:21.000000000 -0500
@@ -304,7 +304,7 @@ static inline int pdev_bad_for_parity(st
static void __devinit
pdev_fixup_device_resources(struct pci_sys_data *root, struct pci_dev *dev)
{
- unsigned long offset;
+ u64 offset;
int i;

for (i = 0; i < PCI_NUM_RESOURCES; i++) {
@@ -634,9 +634,9 @@ char * __init pcibios_setup(char *str)
* which might be mirrored at 0x0100-0x03ff..
*/
void pcibios_align_resource(void *data, struct resource *res,
- unsigned long size, unsigned long align)
+ u64 size, u64 align)
{
- unsigned long start = res->start;
+ u64 start = res->start;

if (res->flags & IORESOURCE_IO && start & 0x300)
start = (start + 0x3ff) & ~0x3ff;
diff -puN arch/arm/kernel/setup.c~64bit-resources-arch-changes arch/arm/kernel/setup.c
--- linux-2.6.16-mm1/arch/arm/kernel/setup.c~64bit-resources-arch-changes 2006-03-23 11:39:21.000000000 -0500
+++ linux-2.6.16-mm1-root/arch/arm/kernel/setup.c 2006-03-23 11:39:21.000000000 -0500
@@ -119,9 +119,24 @@ DEFINE_PER_CPU(struct cpuinfo_arm, cpu_d
* Standard memory resources
*/
static struct resource mem_res[] = {
- { "Video RAM", 0, 0, IORESOURCE_MEM },
- { "Kernel text", 0, 0, IORESOURCE_MEM },
- { "Kernel data", 0, 0, IORESOURCE_MEM }
+ {
+ .name = "Video RAM",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .name = "Kernel text",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .name = "Kernel data",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_MEM
+ }
};

#define video_ram mem_res[0]
@@ -129,9 +144,24 @@ static struct resource mem_res[] = {
#define kernel_data mem_res[2]

static struct resource io_res[] = {
- { "reserved", 0x3bc, 0x3be, IORESOURCE_IO | IORESOURCE_BUSY },
- { "reserved", 0x378, 0x37f, IORESOURCE_IO | IORESOURCE_BUSY },
- { "reserved", 0x278, 0x27f, IORESOURCE_IO | IORESOURCE_BUSY }
+ {
+ .name = "reserved",
+ .start = 0x3bc,
+ .end = 0x3be,
+ .flags = IORESOURCE_IO | IORESOURCE_BUSY
+ },
+ {
+ .name = "reserved",
+ .start = 0x378,
+ .end = 0x37f,
+ .flags = IORESOURCE_IO | IORESOURCE_BUSY
+ },
+ {
+ .name = "reserved",
+ .start = 0x278,
+ .end = 0x27f,
+ .flags = IORESOURCE_IO | IORESOURCE_BUSY
+ }
};

#define lp0 io_res[0]
diff -puN arch/i386/kernel/efi.c~64bit-resources-arch-changes arch/i386/kernel/efi.c
--- linux-2.6.16-mm1/arch/i386/kernel/efi.c~64bit-resources-arch-changes 2006-03-23 11:39:21.000000000 -0500
+++ linux-2.6.16-mm1-root/arch/i386/kernel/efi.c 2006-03-23 11:39:21.000000000 -0500
@@ -601,8 +601,10 @@ efi_initialize_iomem_resources(struct re
res->end = res->start + ((md->num_pages << EFI_PAGE_SHIFT) - 1);
res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
if (request_resource(&iomem_resource, res) < 0)
- printk(KERN_ERR PFX "Failed to allocate res %s : 0x%lx-0x%lx\n",
- res->name, res->start, res->end);
+ printk(KERN_ERR PFX "Failed to allocate res %s : "
+ "0x%llx-0x%llx\n", res->name,
+ (unsigned long long)res->start,
+ (unsigned long long)res->end);
/*
* We don't know which region contains kernel data so we try
* it repeatedly and let the resource manager test it.
diff -puN arch/i386/pci/i386.c~64bit-resources-arch-changes arch/i386/pci/i386.c
--- linux-2.6.16-mm1/arch/i386/pci/i386.c~64bit-resources-arch-changes 2006-03-23 11:39:21.000000000 -0500
+++ linux-2.6.16-mm1-root/arch/i386/pci/i386.c 2006-03-23 11:39:21.000000000 -0500
@@ -48,10 +48,10 @@
*/
void
pcibios_align_resource(void *data, struct resource *res,
- unsigned long size, unsigned long align)
+ u64 size, u64 align)
{
if (res->flags & IORESOURCE_IO) {
- unsigned long start = res->start;
+ u64 start = res->start;

if (start & 0x300) {
start = (start + 0x3ff) & ~0x3ff;
diff -puN arch/ppc/kernel/pci.c~64bit-resources-arch-changes arch/ppc/kernel/pci.c
--- linux-2.6.16-mm1/arch/ppc/kernel/pci.c~64bit-resources-arch-changes 2006-03-23 11:39:21.000000000 -0500
+++ linux-2.6.16-mm1-root/arch/ppc/kernel/pci.c 2006-03-23 11:39:21.000000000 -0500
@@ -98,8 +98,10 @@ pcibios_fixup_resources(struct pci_dev *
if (!res->flags)
continue;
if (res->end == 0xffffffff) {
- DBG("PCI:%s Resource %d [%08lx-%08lx] is unassigned\n",
- pci_name(dev), i, res->start, res->end);
+ DBG("PCI:%s Resource %d [%016llx-%016llx] is unassigned\n",
+ pci_name(dev), i,
+ (unsigned long long)res->start,
+ (unsigned long long)res->end);
res->end -= res->start;
res->start = 0;
res->flags |= IORESOURCE_UNSET;
@@ -172,18 +174,18 @@ EXPORT_SYMBOL(pcibios_bus_to_resource);
* but we want to try to avoid allocating at 0x2900-0x2bff
* which might have be mirrored at 0x0100-0x03ff..
*/
-void pcibios_align_resource(void *data, struct resource *res, unsigned long size,
- unsigned long align)
+void pcibios_align_resource(void *data, struct resource *res, u64 size,
+ u64 align)
{
struct pci_dev *dev = data;

if (res->flags & IORESOURCE_IO) {
- unsigned long start = res->start;
+ u64 start = res->start;

if (size > 0x100) {
printk(KERN_ERR "PCI: I/O Region %s/%d too large"
- " (%ld bytes)\n", pci_name(dev),
- dev->resource - res, size);
+ " (%lld bytes)\n", pci_name(dev),
+ dev->resource - res, (unsigned long long)size);
}

if (start & 0x300) {
@@ -254,8 +256,9 @@ pcibios_allocate_bus_resources(struct li
}
}

- DBG("PCI: bridge rsrc %lx..%lx (%lx), parent %p\n",
- res->start, res->end, res->flags, pr);
+ DBG("PCI: bridge rsrc %llx..%llx (%lx), parent %p\n",
+ (unsigned long long)res->start,
+ (unsigned long long)res->end, res->flags, pr);
if (pr) {
if (request_resource(pr, res) == 0)
continue;
@@ -305,8 +308,9 @@ reparent_resources(struct resource *pare
*pp = NULL;
for (p = res->child; p != NULL; p = p->sibling) {
p->parent = res;
- DBG(KERN_INFO "PCI: reparented %s [%lx..%lx] under %s\n",
- p->name, p->start, p->end, res->name);
+ DBG(KERN_INFO "PCI: reparented %s [%llx..%llx] under %s\n",
+ p->name, (unsigned long long)p->start,
+ (unsigned long long)p->end, res->name);
}
return 0;
}
@@ -361,13 +365,15 @@ pci_relocate_bridge_resource(struct pci_
try = conflict->start - 1;
}
if (request_resource(pr, res)) {
- DBG(KERN_ERR "PCI: huh? couldn't move to %lx..%lx\n",
- res->start, res->end);
+ DBG(KERN_ERR "PCI: huh? couldn't move to %llx..%llx\n",
+ (unsigned long long)res->start,
+ (unsigned long long)res->end);
return -1; /* "can't happen" */
}
update_bridge_base(bus, i);
- printk(KERN_INFO "PCI: bridge %d resource %d moved to %lx..%lx\n",
- bus->number, i, res->start, res->end);
+ printk(KERN_INFO "PCI: bridge %d resource %d moved to %llx..%llx\n",
+ bus->number, i, (unsigned long long)res->start,
+ (unsigned long long)res->end);
return 0;
}

@@ -478,15 +484,17 @@ static inline void alloc_resource(struct
{
struct resource *pr, *r = &dev->resource[idx];

- DBG("PCI:%s: Resource %d: %08lx-%08lx (f=%lx)\n",
- pci_name(dev), idx, r->start, r->end, r->flags);
+ DBG("PCI:%s: Resource %d: %016llx-%016llx (f=%lx)\n",
+ pci_name(dev), idx, (unsigned long long)r->start,
+ (unsigned long long)r->end, r->flags);
pr = pci_find_parent_resource(dev, r);
if (!pr || request_resource(pr, r) < 0) {
printk(KERN_ERR "PCI: Cannot allocate resource region %d"
" of device %s\n", idx, pci_name(dev));
if (pr)
- DBG("PCI: parent is %p: %08lx-%08lx (f=%lx)\n",
- pr, pr->start, pr->end, pr->flags);
+ DBG("PCI: parent is %p: %016llx-%016llx (f=%lx)\n",
+ pr, (unsigned long long)pr->start,
+ (unsigned long long)pr->end, pr->flags);
/* We'll assign a new address later */
r->flags |= IORESOURCE_UNSET;
r->end -= r->start;
diff -puN arch/sparc/kernel/ioport.c~64bit-resources-arch-changes arch/sparc/kernel/ioport.c
--- linux-2.6.16-mm1/arch/sparc/kernel/ioport.c~64bit-resources-arch-changes 2006-03-23 11:39:21.000000000 -0500
+++ linux-2.6.16-mm1-root/arch/sparc/kernel/ioport.c 2006-03-23 11:39:21.000000000 -0500
@@ -206,7 +206,7 @@ _sparc_ioremap(struct resource *res, u32
pa &= PAGE_MASK;
sparc_mapiorange(bus, pa, res->start, res->end - res->start + 1);

- return (void __iomem *) (res->start + offset);
+ return (void __iomem *)(unsigned long)(res->start + offset);
}

/*
@@ -274,7 +274,7 @@ void *sbus_alloc_consistent(struct sbus_
if (mmu_map_dma_area(dma_addrp, va, res->start, len_total) != 0)
goto err_noiommu;

- return (void *)res->start;
+ return (void *)(unsigned long)res->start;

err_noiommu:
release_resource(res);
@@ -685,7 +685,9 @@ _sparc_io_get_info(char *buf, char **sta
if (p + 32 >= e) /* Better than nothing */
break;
if ((nm = r->name) == 0) nm = "???";
- p += sprintf(p, "%08lx-%08lx: %s\n", r->start, r->end, nm);
+ p += sprintf(p, "%016llx-%016llx: %s\n",
+ (unsigned long long)r->start,
+ (unsigned long long)r->end, nm);
}

return p-buf;
diff -puN include/asm-arm/mach/pci.h~64bit-resources-arch-changes include/asm-arm/mach/pci.h
--- linux-2.6.16-mm1/include/asm-arm/mach/pci.h~64bit-resources-arch-changes 2006-03-23 11:39:21.000000000 -0500
+++ linux-2.6.16-mm1-root/include/asm-arm/mach/pci.h 2006-03-23 11:39:21.000000000 -0500
@@ -28,7 +28,7 @@ struct hw_pci {
struct pci_sys_data {
struct list_head node;
int busnr; /* primary bus number */
- unsigned long mem_offset; /* bus->cpu memory mapping offset */
+ u64 mem_offset; /* bus->cpu memory mapping offset */
unsigned long io_offset; /* bus->cpu IO mapping offset */
struct pci_bus *bus; /* PCI bus */
struct resource *resource[3]; /* Primary PCI bus resources */
_
-
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