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Merge branch 'stable/vga.support' into stable/drivers

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* stable/vga.support:
  xen: allow enable use of VGA console on dom0
This commit is contained in:
Konrad Rzeszutek Wilk 2011-06-21 09:25:41 -04:00
commit f7fdd84e04
5 changed files with 126 additions and 1 deletions
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39
include/xen/interface/xen.h
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@ -450,6 +450,45 @@ struct start_info {
int8_t cmd_line[MAX_GUEST_CMDLINE];
};
struct dom0_vga_console_info {
uint8_t video_type;
#define XEN_VGATYPE_TEXT_MODE_3 0x03
#define XEN_VGATYPE_VESA_LFB 0x23
union {
struct {
/* Font height, in pixels. */
uint16_t font_height;
/* Cursor location (column, row). */
uint16_t cursor_x, cursor_y;
/* Number of rows and columns (dimensions in characters). */
uint16_t rows, columns;
} text_mode_3;
struct {
/* Width and height, in pixels. */
uint16_t width, height;
/* Bytes per scan line. */
uint16_t bytes_per_line;
/* Bits per pixel. */
uint16_t bits_per_pixel;
/* LFB physical address, and size (in units of 64kB). */
uint32_t lfb_base;
uint32_t lfb_size;
/* RGB mask offsets and sizes, as defined by VBE 1.2+ */
uint8_t red_pos, red_size;
uint8_t green_pos, green_size;
uint8_t blue_pos, blue_size;
uint8_t rsvd_pos, rsvd_size;
/* VESA capabilities (offset 0xa, VESA command 0x4f00). */
uint32_t gbl_caps;
/* Mode attributes (offset 0x0, VESA command 0x4f01). */
uint16_t mode_attrs;
} vesa_lfb;
} u;
};
/* These flags are passed in the 'flags' field of start_info_t. */
#define SIF_PRIVILEGED (1<<0) /* Is the domain privileged? */
#define SIF_INITDOMAIN (1<<1) /* Is this the initial control domain? */