qemu

FORK: QEMU emulator
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qxl.h (6122B)


      1 #ifndef HW_QXL_H
      2 #define HW_QXL_H
      3 
      4 
      5 #include "hw/pci/pci.h"
      6 #include "vga_int.h"
      7 #include "qemu/thread.h"
      8 
      9 #include "ui/qemu-spice.h"
     10 #include "ui/spice-display.h"
     11 #include "qom/object.h"
     12 
     13 enum qxl_mode {
     14     QXL_MODE_UNDEFINED,
     15     QXL_MODE_VGA,
     16     QXL_MODE_COMPAT, /* spice 0.4.x */
     17     QXL_MODE_NATIVE,
     18 };
     19 
     20 #ifndef QXL_VRAM64_RANGE_INDEX
     21 #define QXL_VRAM64_RANGE_INDEX 4
     22 #endif
     23 
     24 #define QXL_UNDEFINED_IO UINT32_MAX
     25 
     26 #define QXL_NUM_DIRTY_RECTS 64
     27 
     28 #define QXL_PAGE_BITS 12
     29 #define QXL_PAGE_SIZE (1 << QXL_PAGE_BITS);
     30 
     31 struct PCIQXLDevice {
     32     PCIDevice          pci;
     33     PortioList         vga_port_list;
     34     SimpleSpiceDisplay ssd;
     35     int                id;
     36     bool               have_vga;
     37     uint32_t           debug;
     38     uint32_t           guestdebug;
     39     uint32_t           cmdlog;
     40 
     41     uint32_t           guest_bug;
     42 
     43     enum qxl_mode      mode;
     44     uint32_t           cmdflags;
     45     uint32_t           revision;
     46 
     47     int32_t            num_memslots;
     48 
     49     uint32_t           current_async;
     50     QemuMutex          async_lock;
     51 
     52     struct guest_slots {
     53         QXLMemSlot     slot;
     54         MemoryRegion   *mr;
     55         uint64_t       offset;
     56         uint64_t       size;
     57         uint64_t       delta;
     58         uint32_t       active;
     59     } guest_slots[NUM_MEMSLOTS];
     60 
     61     struct guest_primary {
     62         QXLSurfaceCreate surface;
     63         uint32_t       commands;
     64         uint32_t       resized;
     65         int32_t        qxl_stride;
     66         uint32_t       abs_stride;
     67         uint32_t       bits_pp;
     68         uint32_t       bytes_pp;
     69         uint8_t        *data;
     70     } guest_primary;
     71 
     72     struct surfaces {
     73         QXLPHYSICAL    *cmds;
     74         uint32_t       count;
     75         uint32_t       max;
     76     } guest_surfaces;
     77     QXLPHYSICAL        guest_cursor;
     78 
     79     QXLPHYSICAL        guest_monitors_config;
     80     uint32_t           guest_head0_width;
     81     uint32_t           guest_head0_height;
     82 
     83     QemuMutex          track_lock;
     84 
     85     /* thread signaling */
     86     QEMUBH             *update_irq;
     87 
     88     /* ram pci bar */
     89     QXLRam             *ram;
     90     VGACommonState     vga;
     91     uint32_t           num_free_res;
     92     QXLReleaseInfo     *last_release;
     93     uint32_t           last_release_offset;
     94     uint32_t           oom_running;
     95     uint32_t           vgamem_size;
     96 
     97     /* rom pci bar */
     98     QXLRom             shadow_rom;
     99     QXLRom             *rom;
    100     QXLModes           *modes;
    101     uint32_t           rom_size;
    102     MemoryRegion       rom_bar;
    103 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
    104     uint16_t           max_outputs;
    105 #endif
    106 
    107     /* vram pci bar */
    108     uint64_t           vram_size;
    109     MemoryRegion       vram_bar;
    110     uint64_t           vram32_size;
    111     MemoryRegion       vram32_bar;
    112 
    113     /* io bar */
    114     MemoryRegion       io_bar;
    115 
    116     /* user-friendly properties (in megabytes) */
    117     uint32_t          ram_size_mb;
    118     uint32_t          vram_size_mb;
    119     uint32_t          vram32_size_mb;
    120     uint32_t          vgamem_size_mb;
    121     uint32_t          xres;
    122     uint32_t          yres;
    123 
    124     /* qxl_render_update state */
    125     int                render_update_cookie_num;
    126     int                num_dirty_rects;
    127     QXLRect            dirty[QXL_NUM_DIRTY_RECTS];
    128     QEMUBH            *update_area_bh;
    129 };
    130 
    131 #define TYPE_PCI_QXL "pci-qxl"
    132 OBJECT_DECLARE_SIMPLE_TYPE(PCIQXLDevice, PCI_QXL)
    133 
    134 #define PANIC_ON(x) if ((x)) {                         \
    135     printf("%s: PANIC %s failed\n", __func__, #x); \
    136     abort();                                           \
    137 }
    138 
    139 #define dprint(_qxl, _level, _fmt, ...)                                 \
    140     do {                                                                \
    141         if (_qxl->debug >= _level) {                                    \
    142             fprintf(stderr, "qxl-%d: ", _qxl->id);                      \
    143             fprintf(stderr, _fmt, ## __VA_ARGS__);                      \
    144         }                                                               \
    145     } while (0)
    146 
    147 #define QXL_DEFAULT_REVISION (QXL_REVISION_STABLE_V12 + 1)
    148 
    149 /* qxl.c */
    150 /**
    151  * qxl_phys2virt: Get a pointer within a PCI VRAM memory region.
    152  *
    153  * @qxl: QXL device
    154  * @phys: physical offset of buffer within the VRAM
    155  * @group_id: memory slot group
    156  * @size: size of the buffer
    157  *
    158  * Returns a host pointer to a buffer placed at offset @phys within the
    159  * active slot @group_id of the PCI VGA RAM memory region associated with
    160  * the @qxl device. If the slot is inactive, or the offset + size are out
    161  * of the memory region, returns NULL.
    162  *
    163  * Use with care; by the time this function returns, the returned pointer is
    164  * not protected by RCU anymore.  If the caller is not within an RCU critical
    165  * section and does not hold the iothread lock, it must have other means of
    166  * protecting the pointer, such as a reference to the region that includes
    167  * the incoming ram_addr_t.
    168  *
    169  */
    170 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL phys, int group_id,
    171                     size_t size);
    172 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
    173     G_GNUC_PRINTF(2, 3);
    174 
    175 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
    176                            struct QXLRect *area, struct QXLRect *dirty_rects,
    177                            uint32_t num_dirty_rects,
    178                            uint32_t clear_dirty_region,
    179                            qxl_async_io async, QXLCookie *cookie);
    180 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
    181                                uint32_t count);
    182 void qxl_spice_oom(PCIQXLDevice *qxl);
    183 void qxl_spice_reset_memslots(PCIQXLDevice *qxl);
    184 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl);
    185 void qxl_spice_reset_cursor(PCIQXLDevice *qxl);
    186 
    187 /* qxl-logger.c */
    188 int qxl_log_cmd_cursor(PCIQXLDevice *qxl, QXLCursorCmd *cmd, int group_id);
    189 int qxl_log_command(PCIQXLDevice *qxl, const char *ring, QXLCommandExt *ext);
    190 
    191 /* qxl-render.c */
    192 void qxl_render_resize(PCIQXLDevice *qxl);
    193 void qxl_render_update(PCIQXLDevice *qxl);
    194 int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext);
    195 void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie);
    196 void qxl_render_update_area_bh(void *opaque);
    197 
    198 #endif