1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_UVESAFB_H
3 #define _UAPI_UVESAFB_H
4
5 #include <linux/types.h>
6
7 struct v86_regs {
8 __u32 ebx;
9 __u32 ecx;
10 __u32 edx;
11 __u32 esi;
12 __u32 edi;
13 __u32 ebp;
14 __u32 eax;
15 __u32 eip;
16 __u32 eflags;
17 __u32 esp;
18 __u16 cs;
19 __u16 ss;
20 __u16 es;
21 __u16 ds;
22 __u16 fs;
23 __u16 gs;
24 };
25
26 /* Task flags */
27 #define TF_VBEIB 0x01
28 #define TF_BUF_ESDI 0x02
29 #define TF_BUF_ESBX 0x04
30 #define TF_BUF_RET 0x08
31 #define TF_EXIT 0x10
32
33 struct uvesafb_task {
34 __u8 flags;
35 int buf_len;
36 struct v86_regs regs;
37 };
38
39 /* Constants for the capabilities field
40 * in vbe_ib */
41 #define VBE_CAP_CAN_SWITCH_DAC 0x01
42 #define VBE_CAP_VGACOMPAT 0x02
43
44 /* The VBE Info Block */
45 struct vbe_ib {
46 char vbe_signature[4];
47 __u16 vbe_version;
48 __u32 oem_string_ptr;
49 __u32 capabilities;
50 __u32 mode_list_ptr;
51 __u16 total_memory;
52 __u16 oem_software_rev;
53 __u32 oem_vendor_name_ptr;
54 __u32 oem_product_name_ptr;
55 __u32 oem_product_rev_ptr;
56 __u8 reserved[222];
57 char oem_data[256];
58 char misc_data[512];
59 } __attribute__ ((packed));
60
61 #endif /* _UAPI_UVESAFB_H */
62
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