Now that the rom bar is mapped read-only and the guest can't change things under our feet we don't need the shadow rom any more.
Signed-off-by: Gerd Hoffmann <[email protected]> --- hw/display/qxl.h | 2 +- hw/display/qxl.c | 25 +++++++++---------------- 2 files changed, 10 insertions(+), 17 deletions(-) diff --git a/hw/display/qxl.h b/hw/display/qxl.h index 707631a1f573..3aedc7db5da0 100644 --- a/hw/display/qxl.h +++ b/hw/display/qxl.h @@ -95,11 +95,11 @@ typedef struct PCIQXLDevice { uint32_t vgamem_size; /* rom pci bar */ - QXLRom shadow_rom; QXLRom *rom; QXLModes *modes; uint32_t rom_size; MemoryRegion rom_bar; + uint32_t rom_mode; #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */ uint16_t max_outputs; #endif diff --git a/hw/display/qxl.c b/hw/display/qxl.c index 227da69a50d9..0502802688f9 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -391,7 +391,6 @@ static void init_qxl_rom(PCIQXLDevice *d) sizeof(rom->client_monitors_config)); } - d->shadow_rom = *rom; d->rom = rom; d->modes = modes; } @@ -403,7 +402,7 @@ static void init_qxl_ram(PCIQXLDevice *d) QXLReleaseRing *ring; buf = d->vga.vram_ptr; - d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset)); + d->ram = (QXLRam *)(buf + le32_to_cpu(d->rom->ram_header_offset)); d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC); d->ram->int_pending = cpu_to_le32(0); d->ram->int_mask = cpu_to_le32(0); @@ -446,7 +445,7 @@ static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr) /* can be called from spice server thread context */ static void qxl_ring_set_dirty(PCIQXLDevice *qxl) { - ram_addr_t addr = qxl->shadow_rom.ram_header_offset; + ram_addr_t addr = qxl->rom->ram_header_offset; ram_addr_t end = qxl->vga.vram_size; qxl_set_dirty(&qxl->vga.vram, addr, end); } @@ -529,7 +528,6 @@ static void interface_set_compression_level(QXLInstance *sin, int level) PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); trace_qxl_interface_set_compression_level(qxl->id, level); - qxl->shadow_rom.compression_level = cpu_to_le32(level); qxl->rom->compression_level = cpu_to_le32(level); qxl_rom_set_dirty(qxl); } @@ -561,7 +559,7 @@ static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; info->internal_groupslot_id = 0; info->qxl_ram_size = - le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS; + le32_to_cpu(qxl->rom->num_pages) << QXL_PAGE_BITS; info->n_surfaces = qxl->ssd.num_surfaces; } @@ -1035,9 +1033,6 @@ static void interface_set_client_capabilities(QXLInstance *sin, return; } - qxl->shadow_rom.client_present = client_present; - memcpy(qxl->shadow_rom.client_capabilities, caps, - sizeof(qxl->shadow_rom.client_capabilities)); qxl->rom->client_present = client_present; memcpy(qxl->rom->client_capabilities, caps, sizeof(qxl->rom->client_capabilities)); @@ -1232,11 +1227,8 @@ static void qxl_check_state(PCIQXLDevice *d) static void qxl_reset_state(PCIQXLDevice *d) { - QXLRom *rom = d->rom; - qxl_check_state(d); - d->shadow_rom.update_id = cpu_to_le32(0); - *rom = d->shadow_rom; + d->rom->update_id = cpu_to_le32(0); qxl_rom_set_dirty(d); init_qxl_ram(d); d->num_free_res = 0; @@ -1600,7 +1592,7 @@ static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm) .format = SPICE_SURFACE_FMT_32_xRGB, .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0, .mouse_mode = true, - .mem = devmem + d->shadow_rom.draw_area_offset, + .mem = devmem + d->rom->draw_area_offset, }; trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits, @@ -1620,7 +1612,6 @@ static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm) if (mode->bits == 16) { d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP; } - d->shadow_rom.mode = cpu_to_le32(modenr); d->rom->mode = cpu_to_le32(modenr); qxl_rom_set_dirty(d); } @@ -2277,6 +2268,7 @@ static int qxl_pre_save(void *opaque) d->last_release_offset = (uint8_t *)d->last_release - ram_start; } assert(d->last_release_offset < d->vga.vram_size); + d->rom_mode = d->rom->mode; return 0; } @@ -2316,6 +2308,7 @@ static int qxl_post_load(void *opaque, int version) } else { d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); } + d->rom->mode = d->rom_mode; d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); @@ -2361,7 +2354,7 @@ static int qxl_post_load(void *opaque, int version) case QXL_MODE_COMPAT: /* note: no need to call qxl_create_memslots, qxl_set_mode * creates the mem slot. */ - qxl_set_mode(d, d->shadow_rom.mode, 1); + qxl_set_mode(d, d->rom->mode, 1); break; } return 0; @@ -2428,7 +2421,7 @@ static VMStateDescription qxl_vmstate = { .fields = (VMStateField[]) { VMSTATE_PCI_DEVICE(pci, PCIQXLDevice), VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState), - VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice), + VMSTATE_UINT32(rom_mode, PCIQXLDevice), VMSTATE_UINT32(num_free_res, PCIQXLDevice), VMSTATE_UINT32(last_release_offset, PCIQXLDevice), VMSTATE_UINT32(mode, PCIQXLDevice), -- 2.18.2
