xen/vga: add the xen EFI video mode support (aa387d63) · Commits · 戴 / test

In order to add xen EFI frambebuffer video support, it is required to add xen-efi's new video type (XEN_VGATYPE_EFI_LFB) case and handle it in the function xen_init_vga and set the video type to VIDEO_TYPE_EFI to enable efi video mode. The original patch from which this was broken out from: http://marc.info/?i=4E099AA6020000780004A4C6@nat28.tlf.novell.com Signed-off-by:

Jan Beulich <JBeulich@novell.com> Signed-off-by:

Tang Liang <liang.tang@oracle.com> [v2: The original author is Jan Beulich and Liang Tang ported it to upstream] Signed-off-by:

Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

arch/x86/xen/vga.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size)
		info->u.text_mode_3.font_height;
		break;

		case XEN_VGATYPE_EFI_LFB:
		case XEN_VGATYPE_VESA_LFB:
		if (size < offsetof(struct dom0_vga_console_info,
		u.vesa_lfb.gbl_caps))
		@@ -54,6 +55,12 @@ void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size)
		screen_info->blue_pos = info->u.vesa_lfb.blue_pos;
		screen_info->rsvd_size = info->u.vesa_lfb.rsvd_size;
		screen_info->rsvd_pos = info->u.vesa_lfb.rsvd_pos;

		if (info->video_type == XEN_VGATYPE_EFI_LFB) {
		screen_info->orig_video_isVGA = VIDEO_TYPE_EFI;
		break;
		}

		if (size >= offsetof(struct dom0_vga_console_info,
		u.vesa_lfb.gbl_caps)
		+ sizeof(info->u.vesa_lfb.gbl_caps))

include/xen/interface/xen.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -454,6 +454,7 @@ struct dom0_vga_console_info {
		uint8_t video_type;
		#define XEN_VGATYPE_TEXT_MODE_3 0x03
		#define XEN_VGATYPE_VESA_LFB 0x23
		#define XEN_VGATYPE_EFI_LFB 0x70

		union {
		struct {

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