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| author |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-21 12:30:35 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-24 09:24:20 -0400 |
| commit | ffb8b233c2261b7978dc3bd759aaa19bd1a7fadf (patch) | |
| tree | 63cced33b1740de8c02c871035a29c6ec5e1d0e8 /arch | |
| parent | Merge branch 'stable/late-swiotlb.v3.3' into stable/for-linus-3.7 (diff) | |
| download | linux-dev-ffb8b233c2261b7978dc3bd759aaa19bd1a7fadf.tar.xz linux-dev-ffb8b233c2261b7978dc3bd759aaa19bd1a7fadf.zip | |
xen/x86: retrieve keyboard shift status flags from hypervisor.
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 47b3acdc2ac5..67897152237c 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1440,11 +1440,19 @@ asmlinkage void __init xen_start_kernel(void) const struct dom0_vga_console_info *info = (void *)((char *)xen_start_info + xen_start_info->console.dom0.info_off); + struct xen_platform_op op = { + .cmd = XENPF_firmware_info, + .interface_version = XENPF_INTERFACE_VERSION, + .u.firmware_info.type = XEN_FW_KBD_SHIFT_FLAGS, + }; xen_init_vga(info, xen_start_info->console.dom0.info_size); xen_start_info->console.domU.mfn = 0; xen_start_info->console.domU.evtchn = 0; + if (HYPERVISOR_dom0_op(&op) == 0) + boot_params.kbd_status = op.u.firmware_info.u.kbd_shift_flags; + xen_init_apic(); /* Make sure ACS will be enabled */ |