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xen/x86: retrieve keyboard shift status flags from hypervisor.

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The xen c/s 25873 allows the hypervisor to retrieve the NUMLOCK flag.
With this patch, the Linux kernel can get the state according to the
data in the BIOS.

Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2012-09-21 12:30:35 -04:00
parent a5f9515570
commit ffb8b233c2
2 changed files with 11 additions and 0 deletions
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3
include/xen/interface/platform.h
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@ -112,6 +112,7 @@ DEFINE_GUEST_HANDLE_STRUCT(xenpf_platform_quirk_t);
#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_KBD_SHIFT_FLAGS 5 /* Int16, Fn02: Get keyboard shift flags. */
struct xenpf_firmware_info {
/* IN variables. */
uint32_t type;
@ -142,6 +143,8 @@ struct xenpf_firmware_info {
/* must refer to 128-byte buffer */
GUEST_HANDLE(uchar) edid;
} vbeddc_info; /* XEN_FW_VBEDDC_INFO */
uint8_t kbd_shift_flags; /* XEN_FW_KBD_SHIFT_FLAGS */
} u;
};
DEFINE_GUEST_HANDLE_STRUCT(xenpf_firmware_info_t);