[PATCH v6 6/9] xen: Define EFI related stuff

Daniel Kiper
2014-06-20T21:30:46Z

Define constants and structures which are needed to properly
execute EFI related hypercall in Xen dom0.

This patch is based on Jan Beulich and Tang Liang work.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Tang Liang <liang.tang@oracle.com>
Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
---
v6 - suggestions/fixes:
- fix indentation
(suggested by David Vrabel).

v5 - suggestions/fixes:
- improve commit message
(suggested by David Vrabel).

v4 - suggestions/fixes:
- change some types from generic to Xen specific ones
(suggested by Stefano Stabellini),
- do some formating changes
(suggested by Jan Beulich).
---
include/xen/interface/platform.h | 123 ++++++++++++++++++++++++++++++++++++++
1 file changed, 123 insertions(+)

diff --git a/include/xen/interface/platform.h b/include/xen/interface/platform.h
index f1331e3..5cc49ea 100644
--- a/include/xen/interface/platform.h
+++ b/include/xen/interface/platform.h
@@ -108,11 +108,113 @@ struct xenpf_platform_quirk {
};
DEFINE_GUEST_HANDLE_STRUCT(xenpf_platform_quirk_t);

+#define XENPF_efi_runtime_call 49
+#define XEN_EFI_get_time 1
+#define XEN_EFI_set_time 2
+#define XEN_EFI_get_wakeup_time 3
+#define XEN_EFI_set_wakeup_time 4
+#define XEN_EFI_get_next_high_monotonic_count 5
+#define XEN_EFI_get_variable 6
+#define XEN_EFI_set_variable 7
+#define XEN_EFI_get_next_variable_name 8
+#define XEN_EFI_query_variable_info 9
+#define XEN_EFI_query_capsule_capabilities 10
+#define XEN_EFI_update_capsule 11
+
+struct xenpf_efi_runtime_call {
+ uint32_t function;
+ /*
+ * This field is generally used for per sub-function flags (defined
+ * below), except for the XEN_EFI_get_next_high_monotonic_count case,
+ * where it holds the single returned value.
+ */
+ uint32_t misc;
+ xen_ulong_t status;
+ union {
+#define XEN_EFI_GET_TIME_SET_CLEARS_NS 0x00000001
+ struct {
+ struct xenpf_efi_time {
+ uint16_t year;
+ uint8_t month;
+ uint8_t day;
+ uint8_t hour;
+ uint8_t min;
+ uint8_t sec;
+ uint32_t ns;
+ int16_t tz;
+ uint8_t daylight;
+ } time;
+ uint32_t resolution;
+ uint32_t accuracy;
+ } get_time;
+
+ struct xenpf_efi_time set_time;
+
+#define XEN_EFI_GET_WAKEUP_TIME_ENABLED 0x00000001
+#define XEN_EFI_GET_WAKEUP_TIME_PENDING 0x00000002
+ struct xenpf_efi_time get_wakeup_time;
+
+#define XEN_EFI_SET_WAKEUP_TIME_ENABLE 0x00000001
+#define XEN_EFI_SET_WAKEUP_TIME_ENABLE_ONLY 0x00000002
+ struct xenpf_efi_time set_wakeup_time;
+
+#define XEN_EFI_VARIABLE_NON_VOLATILE 0x00000001
+#define XEN_EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
+#define XEN_EFI_VARIABLE_RUNTIME_ACCESS 0x00000004
+ struct {
+ GUEST_HANDLE(void) name; /* UCS-2/UTF-16 string */
+ xen_ulong_t size;
+ GUEST_HANDLE(void) data;
+ struct xenpf_efi_guid {
+ uint32_t data1;
+ uint16_t data2;
+ uint16_t data3;
+ uint8_t data4[8];
+ } vendor_guid;
+ } get_variable, set_variable;
+
+ struct {
+ xen_ulong_t size;
+ GUEST_HANDLE(void) name; /* UCS-2/UTF-16 string */
+ struct xenpf_efi_guid vendor_guid;
+ } get_next_variable_name;
+
+ struct {
+ uint32_t attr;
+ uint64_t max_store_size;
+ uint64_t remain_store_size;
+ uint64_t max_size;
+ } query_variable_info;
+
+ struct {
+ GUEST_HANDLE(void) capsule_header_array;
+ xen_ulong_t capsule_count;
+ uint64_t max_capsule_size;
+ uint32_t reset_type;
+ } query_capsule_capabilities;
+
+ struct {
+ GUEST_HANDLE(void) capsule_header_array;
+ xen_ulong_t capsule_count;
+ uint64_t sg_list; /* machine address */
+ } update_capsule;
+ } u;
+};
+DEFINE_GUEST_HANDLE_STRUCT(xenpf_efi_runtime_call);
+
+#define XEN_FW_EFI_VERSION 0
+#define XEN_FW_EFI_CONFIG_TABLE 1
+#define XEN_FW_EFI_VENDOR 2
+#define XEN_FW_EFI_MEM_INFO 3
+#define XEN_FW_EFI_RT_VERSION 4
+
#define XENPF_firmware_info 50
#define XEN_FW_DISK_INFO 1 /* from int 13 AH=08/41/48 */
#define XEN_FW_DISK_MBR_SIGNATURE 2 /* from MBR offset 0x1b8 */
#define XEN_FW_VBEDDC_INFO 3 /* from int 10 AX=4f15 */
+#define XEN_FW_EFI_INFO 4 /* from EFI */
#define XEN_FW_KBD_SHIFT_FLAGS 5 /* Int16, Fn02: Get keyboard shift flags. */
+
struct xenpf_firmware_info {
/* IN variables. */
uint32_t type;
@@ -144,6 +246,26 @@ struct xenpf_firmware_info {
GUEST_HANDLE(uchar) edid;
} vbeddc_info; /* XEN_FW_VBEDDC_INFO */

+ union xenpf_efi_info {
+ uint32_t version;
+ struct {
+ uint64_t addr; /* EFI_CONFIGURATION_TABLE */
+ uint32_t nent;
+ } cfg;
+ struct {
+ uint32_t revision;
+ uint32_t bufsz; /* input, in bytes */
+ GUEST_HANDLE(void) name;
+ /* UCS-2/UTF-16 string */
+ } vendor;
+ struct {
+ uint64_t addr;
+ uint64_t size;
+ uint64_t attr;
+ uint32_t type;
+ } mem;
+ } efi_info; /* XEN_FW_EFI_INFO */
+
uint8_t kbd_shift_flags; /* XEN_FW_KBD_SHIFT_FLAGS */
} u;
};
@@ -362,6 +484,7 @@ struct xen_platform_op {
struct xenpf_read_memtype read_memtype;
struct xenpf_microcode_update microcode;
struct xenpf_platform_quirk platform_quirk;
+ struct xenpf_efi_runtime_call efi_runtime_call;
struct xenpf_firmware_info firmware_info;
struct xenpf_enter_acpi_sleep enter_acpi_sleep;
struct xenpf_change_freq change_freq;
--
1.7.10.4