# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 5becaaabd33572fa0e119d6b8c6d60a76de06b25
# Parent 45cd042014955fdd3449e67690e0f6d792d2c672
[IA64] efibootmgr support
This patch supports the efibootmgr on Domain-0.
This patch adds the following EFI runtime service emulations
for the efibootmgr support.
- GetVariable
- GetNextVariableName
- SetVariable
Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
---
xen/arch/ia64/xen/fw_emul.c | 164 ++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 160 insertions(+), 4 deletions(-)
diff -r 45cd04201495 -r 5becaaabd335 xen/arch/ia64/xen/fw_emul.c
--- a/xen/arch/ia64/xen/fw_emul.c Wed Aug 16 10:21:13 2006 -0600
+++ b/xen/arch/ia64/xen/fw_emul.c Wed Aug 16 10:40:17 2006 -0600
@@ -420,6 +420,141 @@ efi_emulate_get_time(
}
static efi_status_t
+efi_emulate_get_variable(
+ unsigned long name_addr, unsigned long vendor_addr,
+ unsigned long attr_addr, unsigned long data_size_addr,
+ unsigned long data_addr, IA64FAULT *fault)
+{
+ unsigned long name, vendor, attr, data_size, data;
+ struct page_info *name_page = NULL, *vendor_page = NULL,
+ *attr_page = NULL, *data_size_page = NULL,
+ *data_page = NULL;
+ efi_status_t status = 0;
+
+ if (current->domain != dom0)
+ return EFI_UNSUPPORTED;
+
+ name = efi_translate_domain_addr(name_addr, fault, &name_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ vendor = efi_translate_domain_addr(vendor_addr, fault, &vendor_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ data_size = efi_translate_domain_addr(data_size_addr, fault,
+ &data_size_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ data = efi_translate_domain_addr(data_addr, fault, &data_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ if (attr_addr) {
+ attr = efi_translate_domain_addr(attr_addr, fault, &attr_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ }
+
+ status = (*efi.get_variable)((efi_char16_t *)name,
+ (efi_guid_t *)vendor,
+ (u32 *)attr,
+ (unsigned long *)data_size,
+ (void *)data);
+
+errout:
+ if (name_page != NULL)
+ put_page(name_page);
+ if (vendor_page != NULL)
+ put_page(vendor_page);
+ if (attr_page != NULL)
+ put_page(attr_page);
+ if (data_size_page != NULL)
+ put_page(data_size_page);
+ if (data_page != NULL)
+ put_page(data_page);
+
+ return status;
+}
+
+static efi_status_t
+efi_emulate_get_next_variable(
+ unsigned long name_size_addr, unsigned long name_addr,
+ unsigned long vendor_addr, IA64FAULT *fault)
+{
+ unsigned long name_size, name, vendor;
+ struct page_info *name_size_page = NULL, *name_page = NULL,
+ *vendor_page = NULL;
+ efi_status_t status = 0;
+
+ if (current->domain != dom0)
+ return EFI_UNSUPPORTED;
+
+ name_size = efi_translate_domain_addr(name_size_addr, fault,
+ &name_size_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ name = efi_translate_domain_addr(name_addr, fault, &name_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ vendor = efi_translate_domain_addr(vendor_addr, fault, &vendor_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+
+ status = (*efi.get_next_variable)((unsigned long *)name_size,
+ (efi_char16_t *)name,
+ (efi_guid_t *)vendor);
+
+errout:
+ if (name_size_page != NULL)
+ put_page(name_size_page);
+ if (name_page != NULL)
+ put_page(name_page);
+ if (vendor_page != NULL)
+ put_page(vendor_page);
+
+ return status;
+}
+
+static efi_status_t
+efi_emulate_set_variable(
+ unsigned long name_addr, unsigned long vendor_addr,
+ unsigned long attr, unsigned long data_size,
+ unsigned long data_addr, IA64FAULT *fault)
+{
+ unsigned long name, vendor, data;
+ struct page_info *name_page = NULL, *vendor_page = NULL,
+ *data_page = NULL;
+ efi_status_t status = 0;
+
+ if (current->domain != dom0)
+ return EFI_UNSUPPORTED;
+
+ name = efi_translate_domain_addr(name_addr, fault, &name_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ vendor = efi_translate_domain_addr(vendor_addr, fault, &vendor_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+ data = efi_translate_domain_addr(data_addr, fault, &data_page);
+ if (*fault != IA64_NO_FAULT)
+ goto errout;
+
+ status = (*efi.set_variable)((efi_char16_t *)name,
+ (efi_guid_t *)vendor,
+ attr,
+ data_size,
+ (void *)data);
+
+errout:
+ if (name_page != NULL)
+ put_page(name_page);
+ if (vendor_page != NULL)
+ put_page(vendor_page);
+ if (data_page != NULL)
+ put_page(data_page);
+
+ return status;
+}
+
+static efi_status_t
efi_emulate_set_virtual_address_map(
unsigned long memory_map_size, unsigned long descriptor_size,
u32 descriptor_version, efi_memory_desc_t *virtual_map)
@@ -527,6 +662,31 @@ efi_emulator (struct pt_regs *regs, IA64
vcpu_get_gr(v,33),
fault);
break;
+ case FW_HYPERCALL_EFI_GET_VARIABLE:
+ status = efi_emulate_get_variable (
+ vcpu_get_gr(v,32),
+ vcpu_get_gr(v,33),
+ vcpu_get_gr(v,34),
+ vcpu_get_gr(v,35),
+ vcpu_get_gr(v,36),
+ fault);
+ break;
+ case FW_HYPERCALL_EFI_GET_NEXT_VARIABLE:
+ status = efi_emulate_get_next_variable (
+ vcpu_get_gr(v,32),
+ vcpu_get_gr(v,33),
+ vcpu_get_gr(v,34),
+ fault);
+ break;
+ case FW_HYPERCALL_EFI_SET_VARIABLE:
+ status = efi_emulate_set_variable (
+ vcpu_get_gr(v,32),
+ vcpu_get_gr(v,33),
+ vcpu_get_gr(v,34),
+ vcpu_get_gr(v,35),
+ vcpu_get_gr(v,36),
+ fault);
+ break;
case FW_HYPERCALL_EFI_SET_VIRTUAL_ADDRESS_MAP:
status = efi_emulate_set_virtual_address_map (
vcpu_get_gr(v,32),
@@ -538,10 +698,6 @@ efi_emulator (struct pt_regs *regs, IA64
case FW_HYPERCALL_EFI_GET_WAKEUP_TIME:
case FW_HYPERCALL_EFI_SET_WAKEUP_TIME:
// FIXME: need fixes in efi.h from 2.6.9
- case FW_HYPERCALL_EFI_GET_VARIABLE:
- // FIXME: need fixes in efi.h from 2.6.9
- case FW_HYPERCALL_EFI_GET_NEXT_VARIABLE:
- case FW_HYPERCALL_EFI_SET_VARIABLE:
case FW_HYPERCALL_EFI_GET_NEXT_HIGH_MONO_COUNT:
// FIXME: need fixes in efi.h from 2.6.9
status = EFI_UNSUPPORTED;
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