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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [IA64] acpi read-only mapping
# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID c7e8d1673140bebd63cb707f9263c301d6748c25
# Parent 5674e4fe8f0225eece0770b5af334795ba1924e0
[IA64] acpi read-only mapping
implemented dom0 acpi read-only mapping
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
xen/arch/ia64/xen/dom_fw.c | 28 ++++++++++++++++++----------
xen/arch/ia64/xen/domain.c | 14 ++++++++------
xen/include/asm-ia64/domain.h | 2 +-
3 files changed, 27 insertions(+), 17 deletions(-)
diff -r 5674e4fe8f02 -r c7e8d1673140 xen/arch/ia64/xen/dom_fw.c
--- a/xen/arch/ia64/xen/dom_fw.c Wed May 24 10:59:28 2006 -0600
+++ b/xen/arch/ia64/xen/dom_fw.c Wed May 24 11:04:33 2006 -0600
@@ -697,6 +697,7 @@ struct dom0_passthrough_arg {
struct dom0_passthrough_arg {
#ifdef CONFIG_XEN_IA64_DOM0_VP
struct domain* d;
+ int flags;
#endif
efi_memory_desc_t *md;
int* i;
@@ -711,7 +712,7 @@ dom_fw_dom0_passthrough(efi_memory_desc_
#ifdef CONFIG_XEN_IA64_DOM0_VP
struct domain* d = arg->d;
u64 start = md->phys_addr;
- u64 end = start + (md->num_pages << EFI_PAGE_SHIFT);
+ u64 size = md->num_pages << EFI_PAGE_SHIFT;
if (md->type == EFI_MEMORY_MAPPED_IO ||
md->type == EFI_MEMORY_MAPPED_IO_PORT_SPACE) {
@@ -720,13 +721,12 @@ dom_fw_dom0_passthrough(efi_memory_desc_
// It requires impractical memory to map such a huge region
// to a domain.
// For now we don't map it, but later we must fix this.
- if (md->type == EFI_MEMORY_MAPPED_IO &&
- ((md->num_pages << EFI_PAGE_SHIFT) > 0x100000000UL))
+ if (md->type == EFI_MEMORY_MAPPED_IO && (size > 0x100000000UL))
return 0;
- paddr = assign_domain_mmio_page(d, start, end - start);
+ paddr = assign_domain_mmio_page(d, start, size);
} else
- paddr = assign_domain_mach_page(d, start, end - start);
+ paddr = assign_domain_mach_page(d, start, size, arg->flags);
#else
paddr = md->phys_addr;
#endif
@@ -874,9 +874,10 @@ dom_fw_init (struct domain *d, const cha
}
if (d == dom0) {
#ifdef CONFIG_XEN_IA64_DOM0_VP
-# define ASSIGN_DOMAIN_MACH_PAGE(d, p) assign_domain_mach_page(d, p, PAGE_SIZE)
+# define ASSIGN_DOMAIN_MACH_PAGE(d, p) \
+ assign_domain_mach_page((d), (p), PAGE_SIZE, ASSIGN_readonly)
#else
-# define ASSIGN_DOMAIN_MACH_PAGE(d, p) ({p;})
+# define ASSIGN_DOMAIN_MACH_PAGE(d, p) (p)
#endif
printf("Domain0 EFI passthrough:");
@@ -990,17 +991,24 @@ dom_fw_init (struct domain *d, const cha
/* pass through the I/O port space */
if (!running_on_sim) {
struct dom0_passthrough_arg arg;
+ arg.md = &efi_memmap[i];
+ arg.i = &i;
#ifdef CONFIG_XEN_IA64_DOM0_VP
arg.d = d;
-#endif
- arg.md = &efi_memmap[i];
- arg.i = &i;
+ arg.flags = ASSIGN_writable;
+#endif
//XXX Is this needed?
efi_memmap_walk_type(EFI_RUNTIME_SERVICES_CODE,
dom_fw_dom0_passthrough, &arg);
// for ACPI table.
+#ifdef CONFIG_XEN_IA64_DOM0_VP
+ arg.flags = ASSIGN_readonly;
+#endif
efi_memmap_walk_type(EFI_RUNTIME_SERVICES_DATA,
dom_fw_dom0_passthrough, &arg);
+#ifdef CONFIG_XEN_IA64_DOM0_VP
+ arg.flags = ASSIGN_writable;
+#endif
efi_memmap_walk_type(EFI_ACPI_RECLAIM_MEMORY,
dom_fw_dom0_passthrough, &arg);
efi_memmap_walk_type(EFI_MEMORY_MAPPED_IO,
diff -r 5674e4fe8f02 -r c7e8d1673140 xen/arch/ia64/xen/domain.c
--- a/xen/arch/ia64/xen/domain.c Wed May 24 10:59:28 2006 -0600
+++ b/xen/arch/ia64/xen/domain.c Wed May 24 11:04:33 2006 -0600
@@ -873,12 +873,13 @@ assign_domain_page(struct domain *d,
#ifdef CONFIG_XEN_IA64_DOM0_VP
static void
assign_domain_same_page(struct domain *d,
- unsigned long mpaddr, unsigned long size)
+ unsigned long mpaddr, unsigned long size,
+ unsigned long flags)
{
//XXX optimization
unsigned long end = mpaddr + size;
for (; mpaddr < end; mpaddr += PAGE_SIZE) {
- __assign_domain_page(d, mpaddr, mpaddr, ASSIGN_writable);
+ __assign_domain_page(d, mpaddr, mpaddr, flags);
}
}
@@ -945,15 +946,16 @@ assign_domain_mmio_page(struct domain *d
__func__, __LINE__, d, mpaddr, size);
return -EINVAL;
}
- assign_domain_same_page(d, mpaddr, size);
+ assign_domain_same_page(d, mpaddr, size, ASSIGN_writable);
return mpaddr;
}
unsigned long
assign_domain_mach_page(struct domain *d,
- unsigned long mpaddr, unsigned long size)
-{
- assign_domain_same_page(d, mpaddr, size);
+ unsigned long mpaddr, unsigned long size,
+ unsigned long flags)
+{
+ assign_domain_same_page(d, mpaddr, size, flags);
return mpaddr;
}
diff -r 5674e4fe8f02 -r c7e8d1673140 xen/include/asm-ia64/domain.h
--- a/xen/include/asm-ia64/domain.h Wed May 24 10:59:28 2006 -0600
+++ b/xen/include/asm-ia64/domain.h Wed May 24 11:04:33 2006 -0600
@@ -120,7 +120,7 @@ void assign_domain_io_page(struct domain
#ifdef CONFIG_XEN_IA64_DOM0_VP
void alloc_dom_xen_and_dom_io(void);
unsigned long assign_domain_mmio_page(struct domain *d, unsigned long mpaddr,
unsigned long size);
-unsigned long assign_domain_mach_page(struct domain *d, unsigned long mpaddr,
unsigned long size);
+unsigned long assign_domain_mach_page(struct domain *d, unsigned long mpaddr,
unsigned long size, unsigned long flags);
unsigned long do_dom0vp_op(unsigned long cmd, unsigned long arg0, unsigned
long arg1, unsigned long arg2, unsigned long arg3);
unsigned long dom0vp_zap_physmap(struct domain *d, unsigned long gpfn,
unsigned int extent_order);
unsigned long dom0vp_add_physmap(struct domain* d, unsigned long gpfn,
unsigned long mfn, unsigned long flags, domid_t domid);
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