^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: MIT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (C) 2006-2016 Oracle Corporation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #ifndef __VBOXVIDEO_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #define __VBOXVIDEO_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define VBOX_VIDEO_MAX_SCREENS 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * The last 4096 bytes of the guest VRAM contains the generic info for all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * DualView chunks: sizes and offsets of chunks. This is filled by miniport.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Last 4096 bytes of each chunk contain chunk specific data: framebuffer info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * etc. This is used exclusively by the corresponding instance of a display
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * The VRAM layout:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * Last 4096 bytes - Adapter information area.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * 4096 bytes aligned miniport heap (value specified in the config rouded up).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Slack - what left after dividing the VRAM.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * 4096 bytes aligned framebuffers:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * last 4096 bytes of each framebuffer is the display information area.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * The Virtual Graphics Adapter information in the guest VRAM is stored by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * guest video driver using structures prepended by VBOXVIDEOINFOHDR.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * When the guest driver writes dword 0 to the VBE_DISPI_INDEX_VBOX_VIDEO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * the host starts to process the info. The first element at the start of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * the 4096 bytes region should be normally be a LINK that points to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * actual information chain. That way the guest driver can have some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * fixed layout of the information memory block and just rewrite
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * the link to point to relevant memory chain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * The processing stops at the END element.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * The host can access the memory only when the port IO is processed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * All data that will be needed later must be copied from these 4096 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * But other VRAM can be used by host until the mode is disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * The guest driver writes dword 0xffffffff to the VBE_DISPI_INDEX_VBOX_VIDEO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * to disable the mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * VBE_DISPI_INDEX_VBOX_VIDEO is used to read the configuration information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * from the host and issue commands to the host.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * The guest writes the VBE_DISPI_INDEX_VBOX_VIDEO index register, the the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * following operations with the VBE data register can be performed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * Operation Result
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * write 16 bit value NOP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * read 16 bit value count of monitors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * write 32 bit value set the vbox cmd value and the cmd processed by the host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * read 32 bit value result of the last vbox command is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct vbva_cmd_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) s16 x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) s16 y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) u16 w;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) u16 h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * The VBVA ring buffer is suitable for transferring large (< 2GB) amount of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * data. For example big bitmaps which do not fit to the buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) * Guest starts writing to the buffer by initializing a record entry in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * records queue. VBVA_F_RECORD_PARTIAL indicates that the record is being
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * written. As data is written to the ring buffer, the guest increases
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * free_offset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * The host reads the records on flushes and processes all completed records.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * When host encounters situation when only a partial record presents and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * len_and_flags & ~VBVA_F_RECORD_PARTIAL >= VBVA_RING_BUFFER_SIZE -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * VBVA_RING_BUFFER_THRESHOLD, the host fetched all record data and updates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * data_offset. After that on each flush the host continues fetching the data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * until the record is completed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define VBVA_RING_BUFFER_SIZE (4194304 - 1024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define VBVA_RING_BUFFER_THRESHOLD (4096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define VBVA_MAX_RECORDS (64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define VBVA_F_MODE_ENABLED 0x00000001u
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define VBVA_F_MODE_VRDP 0x00000002u
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define VBVA_F_MODE_VRDP_RESET 0x00000004u
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define VBVA_F_MODE_VRDP_ORDER_MASK 0x00000008u
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define VBVA_F_STATE_PROCESSING 0x00010000u
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define VBVA_F_RECORD_PARTIAL 0x80000000u
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct vbva_record {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u32 len_and_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * The minimum HGSMI heap size is PAGE_SIZE (4096 bytes) and is a restriction of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * the runtime heapsimple API. Use minimum 2 pages here, because the info area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * also may contain other data (for example hgsmi_host_flags structure).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define VBVA_ADAPTER_INFORMATION_SIZE 65536
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define VBVA_MIN_BUFFER_SIZE 65536
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /* The value for port IO to let the adapter to interpret the adapter memory. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define VBOX_VIDEO_DISABLE_ADAPTER_MEMORY 0xFFFFFFFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* The value for port IO to let the adapter to interpret the adapter memory. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define VBOX_VIDEO_INTERPRET_ADAPTER_MEMORY 0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * The value for port IO to let the adapter to interpret the display memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * The display number is encoded in low 16 bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define VBOX_VIDEO_INTERPRET_DISPLAY_MEMORY_BASE 0x00010000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct vbva_host_flags {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) u32 host_events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) u32 supported_orders;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct vbva_buffer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct vbva_host_flags host_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* The offset where the data start in the buffer. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) u32 data_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* The offset where next data must be placed in the buffer. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) u32 free_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) /* The queue of record descriptions. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) struct vbva_record records[VBVA_MAX_RECORDS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) u32 record_first_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) u32 record_free_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* Space to leave free when large partial records are transferred. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) u32 partial_write_tresh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) u32 data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* variable size for the rest of the vbva_buffer area in VRAM. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) u8 data[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #define VBVA_MAX_RECORD_SIZE (128 * 1024 * 1024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) /* guest->host commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) #define VBVA_QUERY_CONF32 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #define VBVA_SET_CONF32 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) #define VBVA_INFO_VIEW 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) #define VBVA_INFO_HEAP 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) #define VBVA_FLUSH 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #define VBVA_INFO_SCREEN 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) #define VBVA_ENABLE 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #define VBVA_MOUSE_POINTER_SHAPE 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /* informs host about HGSMI caps. see vbva_caps below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #define VBVA_INFO_CAPS 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /* configures scanline, see VBVASCANLINECFG below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #define VBVA_SCANLINE_CFG 13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* requests scanline info, see VBVASCANLINEINFO below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #define VBVA_SCANLINE_INFO 14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) /* inform host about VBVA Command submission */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #define VBVA_CMDVBVA_SUBMIT 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) /* inform host about VBVA Command submission */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #define VBVA_CMDVBVA_FLUSH 17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) /* G->H DMA command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #define VBVA_CMDVBVA_CTL 18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /* Query most recent mode hints sent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #define VBVA_QUERY_MODE_HINTS 19
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * Report the guest virtual desktop position and size for mapping host and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * guest pointer positions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #define VBVA_REPORT_INPUT_MAPPING 20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /* Report the guest cursor position and query the host position. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #define VBVA_CURSOR_POSITION 21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) /* host->guest commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) #define VBVAHG_EVENT 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #define VBVAHG_DISPLAY_CUSTOM 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* vbva_conf32::index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) #define VBOX_VBVA_CONF32_MONITOR_COUNT 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #define VBOX_VBVA_CONF32_HOST_HEAP_SIZE 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * Returns VINF_SUCCESS if the host can report mode hints via VBVA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * Set value to VERR_NOT_SUPPORTED before calling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) #define VBOX_VBVA_CONF32_MODE_HINT_REPORTING 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * Returns VINF_SUCCESS if the host can report guest cursor enabled status via
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * VBVA. Set value to VERR_NOT_SUPPORTED before calling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) #define VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * Returns the currently available host cursor capabilities. Available if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) * VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING returns success.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) #define VBOX_VBVA_CONF32_CURSOR_CAPABILITIES 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) /* Returns the supported flags in vbva_infoscreen.flags. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) #define VBOX_VBVA_CONF32_SCREEN_FLAGS 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) /* Returns the max size of VBVA record. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #define VBOX_VBVA_CONF32_MAX_RECORD_SIZE 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct vbva_conf32 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) u32 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* Reserved for historical reasons. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) #define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED0 BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) * Guest cursor capability: can the host show a hardware cursor at the host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) * pointer location?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) #define VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) /* Reserved for historical reasons. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) #define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED2 BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* Reserved for historical reasons. Must always be unset. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) #define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED3 BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /* Reserved for historical reasons. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED4 BIT(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) /* Reserved for historical reasons. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) #define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED5 BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) struct vbva_infoview {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) /* Index of the screen, assigned by the guest. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) u32 view_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) /* The screen offset in VRAM, the framebuffer starts here. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) u32 view_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) /* The size of the VRAM memory that can be used for the view. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) u32 view_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) /* The recommended maximum size of the VRAM memory for the screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) u32 max_screen_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct vbva_flush {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) u32 reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) /* vbva_infoscreen.flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #define VBVA_SCREEN_F_NONE 0x0000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) #define VBVA_SCREEN_F_ACTIVE 0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) * The virtual monitor has been disabled by the guest and should be removed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) * by the host and ignored for purposes of pointer position calculation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) #define VBVA_SCREEN_F_DISABLED 0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * The virtual monitor has been blanked by the guest and should be blacked
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * out by the host using width, height, etc values from the vbva_infoscreen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) * request.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) #define VBVA_SCREEN_F_BLANK 0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) * The virtual monitor has been blanked by the guest and should be blacked
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) * out by the host using the previous mode values for width. height, etc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #define VBVA_SCREEN_F_BLANK2 0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) struct vbva_infoscreen {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /* Which view contains the screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) u32 view_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) /* Physical X origin relative to the primary screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) s32 origin_x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) /* Physical Y origin relative to the primary screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) s32 origin_y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* Offset of visible framebuffer relative to the framebuffer start. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) u32 start_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) /* The scan line size in bytes. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) u32 line_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) /* Width of the screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) u32 width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) /* Height of the screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) u32 height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* Color depth. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) u16 bits_per_pixel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) /* VBVA_SCREEN_F_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) u16 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /* vbva_enable.flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) #define VBVA_F_NONE 0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) #define VBVA_F_ENABLE 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) #define VBVA_F_DISABLE 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) /* extended VBVA to be used with WDDM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) #define VBVA_F_EXTENDED 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) /* vbva offset is absolute VRAM offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) #define VBVA_F_ABSOFFSET 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) struct vbva_enable {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) u32 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) s32 result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) struct vbva_enable_ex {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct vbva_enable base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) u32 screen_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) struct vbva_mouse_pointer_shape {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) /* The host result. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) s32 result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) /* VBOX_MOUSE_POINTER_* bit flags. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) /* X coordinate of the hot spot. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) u32 hot_X;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) /* Y coordinate of the hot spot. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) u32 hot_y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) /* Width of the pointer in pixels. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) u32 width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) /* Height of the pointer in scanlines. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) u32 height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) /* Pointer data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) * The data consists of 1 bpp AND mask followed by 32 bpp XOR (color)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * mask.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) * For pointers without alpha channel the XOR mask pixels are 32 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) * values: (lsb)BGR0(msb). For pointers with alpha channel the XOR mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) * consists of (lsb)BGRA(msb) 32 bit values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) * Guest driver must create the AND mask for pointers with alpha chan.,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * so if host does not support alpha, the pointer could be displayed as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) * a normal color pointer. The AND mask can be constructed from alpha
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) * values. For example alpha value >= 0xf0 means bit 0 in the AND mask.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * The AND mask is 1 bpp bitmap with byte aligned scanlines. Size of AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) * mask, therefore, is and_len = (width + 7) / 8 * height. The padding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) * bits at the end of any scanline are undefined.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * The XOR mask follows the AND mask on the next 4 bytes aligned offset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) * u8 *xor = and + (and_len + 3) & ~3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) * Bytes in the gap between the AND and the XOR mask are undefined.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) * XOR mask scanlines have no gap between them and size of XOR mask is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) * xor_len = width * 4 * height.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) * Preallocate 4 bytes for accessing actual data as p->data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) u8 data[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) /* pointer is visible */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) #define VBOX_MOUSE_POINTER_VISIBLE 0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) /* pointer has alpha channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) #define VBOX_MOUSE_POINTER_ALPHA 0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) /* pointerData contains new pointer shape */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) #define VBOX_MOUSE_POINTER_SHAPE 0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) * The guest driver can handle asynch guest cmd completion by reading the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) * command offset from io port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) #define VBVACAPS_COMPLETEGCMD_BY_IOREAD 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) /* the guest driver can handle video adapter IRQs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) #define VBVACAPS_IRQ 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) /* The guest can read video mode hints sent via VBVA. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) #define VBVACAPS_VIDEO_MODE_HINTS 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) /* The guest can switch to a software cursor on demand. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) #define VBVACAPS_DISABLE_CURSOR_INTEGRATION 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) /* The guest does not depend on host handling the VBE registers. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) #define VBVACAPS_USE_VBVA_ONLY 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) struct vbva_caps {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) s32 rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) u32 caps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) /* Query the most recent mode hints received from the host. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) struct vbva_query_mode_hints {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) /* The maximum number of screens to return hints for. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) u16 hints_queried_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) /* The size of the mode hint structures directly following this one. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) u16 hint_structure_guest_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) /* Return code for the operation. Initialise to VERR_NOT_SUPPORTED. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) s32 rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) * Structure in which a mode hint is returned. The guest allocates an array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) * of these immediately after the vbva_query_mode_hints structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) * To accommodate future extensions, the vbva_query_mode_hints structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) * specifies the size of the vbva_modehint structures allocated by the guest,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) * and the host only fills out structure elements which fit into that size. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) * host should fill any unused members (e.g. dx, dy) or structure space on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) * end with ~0. The whole structure can legally be set to ~0 to skip a screen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) struct vbva_modehint {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) u32 magic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) u32 cx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) u32 cy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) u32 bpp; /* Which has never been used... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) u32 display;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) u32 dx; /* X offset into the virtual frame-buffer. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) u32 dy; /* Y offset into the virtual frame-buffer. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) u32 enabled; /* Not flags. Add new members for new flags. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) #define VBVAMODEHINT_MAGIC 0x0801add9u
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) * Report the rectangle relative to which absolute pointer events should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) * expressed. This information remains valid until the next VBVA resize event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) * for any screen, at which time it is reset to the bounding rectangle of all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) * virtual screens and must be re-set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) struct vbva_report_input_mapping {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) s32 x; /* Upper left X co-ordinate relative to the first screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) s32 y; /* Upper left Y co-ordinate relative to the first screen. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) u32 cx; /* Rectangle width. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) u32 cy; /* Rectangle height. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) * Report the guest cursor position and query the host one. The host may wish
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) * to use the guest information to re-position its own cursor (though this is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) * currently unlikely).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) struct vbva_cursor_position {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) u32 report_position; /* Are we reporting a position? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) u32 x; /* Guest cursor X position */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) u32 y; /* Guest cursor Y position */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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