Re: [PATCH v7 07/10] xen: Define EFI related stuff

From: Stefano Stabellini
Date: Wed Jul 02 2014 - 10:03:19 EST

On Mon, 30 Jun 2014, Daniel Kiper wrote:
> 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@xxxxxxxx>
> Signed-off-by: Tang Liang <liang.tang@xxxxxxxxxx>
> Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
> Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>


> 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
>
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