1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UVESAFB_H 3 #define _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 /* _UVESAFB_H */ 62