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xen: Define EFI related stuff
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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>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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Daniel Kiper authored and Matt Fleming committed Jul 18, 2014
1 parent 0fe376e commit bf1e3ae
Showing 1 changed file with 123 additions and 0 deletions.
123 changes: 123 additions & 0 deletions include/xen/interface/platform.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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;
};
Expand Down Expand Up @@ -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;
Expand Down

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