@samitouri / QOSamiQemu
Code Commits Issues Pulls Sessions CI/CD
master
master
h 198 lines 6.07 KB
Raw
1 #ifndef HW_QXL_H
2 #define HW_QXL_H
3
4 #include "hw/pci/pci_device.h"
5 #include "vga_int.h"
6 #include "qemu/thread.h"
7
8 #include "ui/qemu-spice.h"
9 #include "ui/spice-display.h"
10 #include "qom/object.h"
11
12 enum qxl_mode {
13 QXL_MODE_UNDEFINED,
14 QXL_MODE_VGA,
15 QXL_MODE_COMPAT, /* spice 0.4.x */
16 QXL_MODE_NATIVE,
17 };
18
19 #ifndef QXL_VRAM64_RANGE_INDEX
20 #define QXL_VRAM64_RANGE_INDEX 4
21 #endif
22
23 #define QXL_UNDEFINED_IO UINT32_MAX
24
25 #define QXL_NUM_DIRTY_RECTS 64
26
27 #define QXL_PAGE_BITS 12
28 #define QXL_PAGE_SIZE (1 << QXL_PAGE_BITS);
29
30 struct PCIQXLDevice {
31 PCIDevice pci;
32 PortioList vga_port_list;
33 SimpleSpiceDisplay ssd;
34 int id;
35 bool have_vga;
36 uint32_t debug;
37 uint32_t guestdebug;
38 uint32_t cmdlog;
39
40 uint32_t guest_bug;
41
42 enum qxl_mode mode;
43 uint32_t cmdflags;
44 uint32_t revision;
45
46 int32_t num_memslots;
47
48 uint32_t current_async;
49 QemuMutex async_lock;
50
51 struct guest_slots {
52 QXLMemSlot slot;
53 MemoryRegion *mr;
54 uint64_t offset;
55 uint64_t size;
56 uint64_t delta;
57 uint32_t active;
58 } guest_slots[NUM_MEMSLOTS];
59
60 struct guest_primary {
61 QXLSurfaceCreate surface;
62 uint32_t commands;
63 uint32_t resized;
64 int32_t qxl_stride;
65 uint32_t abs_stride;
66 uint32_t bits_pp;
67 uint32_t bytes_pp;
68 uint8_t *data;
69 } guest_primary;
70
71 struct surfaces {
72 QXLPHYSICAL *cmds;
73 uint32_t count;
74 uint32_t max;
75 } guest_surfaces;
76 QXLPHYSICAL guest_cursor;
77
78 QXLPHYSICAL guest_monitors_config;
79 uint32_t guest_head0_width;
80 uint32_t guest_head0_height;
81
82 QemuMutex track_lock;
83
84 /* thread signaling */
85 QEMUBH *update_irq;
86 VMChangeStateEntry *vmstate_handler;
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 uint16_t max_outputs;
104
105 /* vram pci bar */
106 uint64_t vram_size;
107 MemoryRegion vram_bar;
108 uint64_t vram32_size;
109 MemoryRegion vram32_bar;
110
111 /* io bar */
112 MemoryRegion io_bar;
113
114 /* user-friendly properties (in megabytes) */
115 uint32_t ram_size_mb;
116 uint32_t vram_size_mb;
117 uint32_t vram32_size_mb;
118 uint32_t vgamem_size_mb;
119 uint32_t xres;
120 uint32_t yres;
121
122 /* qxl_render_update state */
123 int render_update_cookie_num;
124 int num_dirty_rects;
125 QXLRect dirty[QXL_NUM_DIRTY_RECTS];
126 QEMUBH *update_area_bh;
127 };
128
129 #define TYPE_PCI_QXL "pci-qxl"
130 OBJECT_DECLARE_SIMPLE_TYPE(PCIQXLDevice, PCI_QXL)
131
132 #define PANIC_ON(x) if ((x)) { \
133 printf("%s: PANIC %s failed\n", __func__, #x); \
134 abort(); \
135 }
136
137 #define dprint(_qxl, _level, _fmt, ...) \
138 do { \
139 if (_qxl->debug >= _level) { \
140 fprintf(stderr, "qxl-%d: ", _qxl->id); \
141 fprintf(stderr, _fmt, ## __VA_ARGS__); \
142 } \
143 } while (0)
144
145 #define QXL_DEFAULT_REVISION (QXL_REVISION_STABLE_V12 + 1)
146
147 /* qxl.c */
148 /**
149 * qxl_phys2virt: Get a pointer within a PCI VRAM memory region.
150 *
151 * @qxl: QXL device
152 * @phys: physical offset of buffer within the VRAM
153 * @group_id: memory slot group
154 * @size: size of the buffer
155 *
156 * Returns a host pointer to a buffer placed at offset @phys within the
157 * active slot @group_id of the PCI VGA RAM memory region associated with
158 * the @qxl device. If the slot is inactive, or the offset + size are out
159 * of the memory region, returns NULL.
160 *
161 * Use with care; by the time this function returns, the returned pointer is
162 * not protected by RCU anymore. If the caller is not within an RCU critical
163 * section and does not hold the BQL, it must have other means of
164 * protecting the pointer, such as a reference to the region that includes
165 * the incoming ram_addr_t.
166 *
167 */
168 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL phys, int group_id,
169 size_t size);
170 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
171 G_GNUC_PRINTF(2, 3);
172
173 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
174 struct QXLRect *area, struct QXLRect *dirty_rects,
175 uint32_t num_dirty_rects,
176 uint32_t clear_dirty_region,
177 qxl_async_io async, QXLCookie *cookie);
178 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
179 uint32_t count);
180 void qxl_spice_oom(PCIQXLDevice *qxl);
181 void qxl_spice_reset_memslots(PCIQXLDevice *qxl);
182 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl);
183 void qxl_spice_reset_cursor(PCIQXLDevice *qxl);
184 bool qxl_format_bpp(PCIQXLDevice *qxl, SpiceSurfaceFmt format,
185 uint32_t *bytes_pp, uint32_t *bits_pp);
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 bool 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