diff --git a/docs/specs/standard-vga.txt b/docs/specs/standard-vga.txt index 8a4c1e93cd..f82773e677 100644 --- a/docs/specs/standard-vga.txt +++ b/docs/specs/standard-vga.txt @@ -5,9 +5,10 @@ QEMU Standard VGA Exists in two variants, for isa and pci. command line switches: - -vga std [ picks isa for -M isapc, otherwise pci ] - -device VGA [ pci variant ] - -device isa-vga [ isa variant ] + -vga std [ picks isa for -M isapc, otherwise pci ] + -device VGA [ pci variant ] + -device isa-vga [ isa variant ] + -device secondary-vga [ legacy-free pci variant ] PCI spec @@ -31,9 +32,15 @@ PCI ROM Region: Holds the vgabios (qemu 0.14+). +The legacy-free variant has no ROM and has PCI_CLASS_DISPLAY_OTHER +instead of PCI_CLASS_DISPLAY_VGA. + + IO ports used ------------- +Doesn't apply to the legacy-free pci variant, use the MMIO bar instead. + 03c0 - 03df : standard vga ports 01ce : bochs vbe interface index port 01cf : bochs vbe interface data port (x86 only) diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c index 0d3127da21..d1afc765fb 100644 --- a/hw/display/cirrus_vga.c +++ b/hw/display/cirrus_vga.c @@ -2913,7 +2913,7 @@ static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp) ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev); VGACommonState *s = &d->cirrus_vga.vga; - vga_common_init(s, OBJECT(dev)); + vga_common_init(s, OBJECT(dev), true); cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0, isa_address_space(isadev), isa_address_space_io(isadev)); @@ -2960,7 +2960,7 @@ static int pci_cirrus_vga_initfn(PCIDevice *dev) int16_t device_id = pc->device_id; /* setup VGA */ - vga_common_init(&s->vga, OBJECT(dev)); + vga_common_init(&s->vga, OBJECT(dev), true); cirrus_init_common(s, OBJECT(dev), device_id, 1, pci_address_space(dev), pci_address_space_io(dev)); s->vga.con = graphic_console_init(DEVICE(dev), 0, s->vga.hw_ops, &s->vga); diff --git a/hw/display/qxl.c b/hw/display/qxl.c index 47bbf1f1fe..e9c54d7399 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -2061,7 +2061,7 @@ static int qxl_init_primary(PCIDevice *dev) qxl->id = 0; qxl_init_ramsize(qxl); vga->vram_size_mb = qxl->vga.vram_size >> 20; - vga_common_init(vga, OBJECT(dev)); + vga_common_init(vga, OBJECT(dev), true); vga_init(vga, OBJECT(dev), pci_address_space(dev), pci_address_space_io(dev), false); portio_list_init(qxl_vga_port_list, OBJECT(dev), qxl_vga_portio_list, diff --git a/hw/display/vga-isa-mm.c b/hw/display/vga-isa-mm.c index afc46b8c9d..4efc222789 100644 --- a/hw/display/vga-isa-mm.c +++ b/hw/display/vga-isa-mm.c @@ -132,7 +132,7 @@ int isa_vga_mm_init(hwaddr vram_base, s = g_malloc0(sizeof(*s)); s->vga.vram_size_mb = VGA_RAM_SIZE >> 20; - vga_common_init(&s->vga, NULL); + vga_common_init(&s->vga, NULL, true); vga_mm_init(s, vram_base, ctrl_base, it_shift, address_space); s->vga.con = graphic_console_init(NULL, 0, s->vga.hw_ops, s); diff --git a/hw/display/vga-isa.c b/hw/display/vga-isa.c index 1d9ea6b51d..2b480bd44d 100644 --- a/hw/display/vga-isa.c +++ b/hw/display/vga-isa.c @@ -56,7 +56,7 @@ static void vga_isa_realizefn(DeviceState *dev, Error **errp) MemoryRegion *vga_io_memory; const MemoryRegionPortio *vga_ports, *vbe_ports; - vga_common_init(s, OBJECT(dev)); + vga_common_init(s, OBJECT(dev), true); s->legacy_address_space = isa_address_space(isadev); vga_io_memory = vga_init_io(s, OBJECT(dev), &vga_ports, &vbe_ports); isa_register_portio_list(isadev, 0x3b0, vga_ports, s, "vga"); diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c index 574ea0e7f9..0865dc490e 100644 --- a/hw/display/vga-pci.c +++ b/hw/display/vga-pci.c @@ -147,7 +147,7 @@ static int pci_std_vga_initfn(PCIDevice *dev) VGACommonState *s = &d->vga; /* vga + console init */ - vga_common_init(s, OBJECT(dev)); + vga_common_init(s, OBJECT(dev), true); vga_init(s, OBJECT(dev), pci_address_space(dev), pci_address_space_io(dev), true); @@ -179,12 +179,51 @@ static int pci_std_vga_initfn(PCIDevice *dev) return 0; } +static int pci_secondary_vga_initfn(PCIDevice *dev) +{ + PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev); + VGACommonState *s = &d->vga; + + /* vga + console init */ + vga_common_init(s, OBJECT(dev), false); + s->con = graphic_console_init(DEVICE(dev), 0, s->hw_ops, s); + + /* mmio bar */ + memory_region_init(&d->mmio, OBJECT(dev), "vga.mmio", 4096); + memory_region_init_io(&d->ioport, OBJECT(dev), &pci_vga_ioport_ops, d, + "vga ioports remapped", PCI_VGA_IOPORT_SIZE); + memory_region_init_io(&d->bochs, OBJECT(dev), &pci_vga_bochs_ops, d, + "bochs dispi interface", PCI_VGA_BOCHS_SIZE); + + memory_region_add_subregion(&d->mmio, PCI_VGA_IOPORT_OFFSET, + &d->ioport); + memory_region_add_subregion(&d->mmio, PCI_VGA_BOCHS_OFFSET, + &d->bochs); + + pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram); + pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio); + + return 0; +} + +static void pci_secondary_vga_reset(DeviceState *dev) +{ + PCIVGAState *d = DO_UPCAST(PCIVGAState, dev.qdev, dev); + + vga_common_reset(&d->vga); +} + static Property vga_pci_properties[] = { DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16), DEFINE_PROP_BIT("mmio", PCIVGAState, flags, PCI_VGA_FLAG_ENABLE_MMIO, true), DEFINE_PROP_END_OF_LIST(), }; +static Property secondary_pci_properties[] = { + DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16), + DEFINE_PROP_END_OF_LIST(), +}; + static void vga_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -201,6 +240,20 @@ static void vga_class_init(ObjectClass *klass, void *data) set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); } +static void secondary_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->init = pci_secondary_vga_initfn; + k->vendor_id = PCI_VENDOR_ID_QEMU; + k->device_id = PCI_DEVICE_ID_QEMU_VGA; + k->class_id = PCI_CLASS_DISPLAY_OTHER; + dc->vmsd = &vmstate_vga_pci; + dc->props = secondary_pci_properties; + dc->reset = pci_secondary_vga_reset; +} + static const TypeInfo vga_info = { .name = "VGA", .parent = TYPE_PCI_DEVICE, @@ -208,9 +261,17 @@ static const TypeInfo vga_info = { .class_init = vga_class_init, }; +static const TypeInfo secondary_info = { + .name = "secondary-vga", + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PCIVGAState), + .class_init = secondary_class_init, +}; + static void vga_register_types(void) { type_register_static(&vga_info); + type_register_static(&secondary_info); } type_init(vga_register_types) diff --git a/hw/display/vga.c b/hw/display/vga.c index 063319d34d..c4c3238d5f 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -171,6 +171,10 @@ static void vga_update_memory_access(VGACommonState *s) MemoryRegion *region, *old_region = s->chain4_alias; hwaddr base, offset, size; + if (s->legacy_address_space == NULL) { + return; + } + s->chain4_alias = NULL; if ((s->sr[VGA_SEQ_PLANE_WRITE] & VGA_SR02_ALL_PLANES) == @@ -2252,7 +2256,7 @@ static const GraphicHwOps vga_ops = { .text_update = vga_update_text, }; -void vga_common_init(VGACommonState *s, Object *obj) +void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate) { int i, j, v, b; @@ -2289,7 +2293,7 @@ void vga_common_init(VGACommonState *s, Object *obj) s->is_vbe_vmstate = 1; memory_region_init_ram(&s->vram, obj, "vga.vram", s->vram_size); - vmstate_register_ram_global(&s->vram); + vmstate_register_ram(&s->vram, global_vmstate ? NULL : DEVICE(obj)); xen_register_framebuffer(&s->vram); s->vram_ptr = memory_region_get_ram_ptr(&s->vram); s->get_bpp = vga_get_bpp; diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h index e6418906a7..d42ac926e3 100644 --- a/hw/display/vga_int.h +++ b/hw/display/vga_int.h @@ -177,7 +177,7 @@ static inline int c6_to_8(int v) return (v << 2) | (b << 1) | b; } -void vga_common_init(VGACommonState *s, Object *obj); +void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate); void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space, MemoryRegion *address_space_io, bool init_vga_ports); MemoryRegion *vga_init_io(VGACommonState *s, Object *obj, diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c index 6ae3348deb..9ba47e6c63 100644 --- a/hw/display/vmware_vga.c +++ b/hw/display/vmware_vga.c @@ -1207,7 +1207,7 @@ static void vmsvga_init(DeviceState *dev, struct vmsvga_state_s *s, vmstate_register_ram_global(&s->fifo_ram); s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram); - vga_common_init(&s->vga, OBJECT(dev)); + vga_common_init(&s->vga, OBJECT(dev), true); vga_init(&s->vga, OBJECT(dev), address_space, io, true); vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga); s->new_depth = 32; diff --git a/tests/Makefile b/tests/Makefile index 88f7105d02..c6b661472b 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -113,6 +113,10 @@ check-qtest-pci-y += tests/tpci200-test$(EXESUF) gcov-files-pci-y += hw/ipack/tpci200.c check-qtest-pci-y += $(check-qtest-ipack-y) gcov-files-pci-y += $(gcov-files-ipack-y) +check-qtest-pci-y += tests/display-vga-test$(EXESUF) +gcov-files-pci-y += hw/display/vga.c +gcov-files-pci-y += hw/display/cirrus_vga.c +gcov-files-pci-y += hw/display/vga-pci.c check-qtest-i386-y = tests/endianness-test$(EXESUF) check-qtest-i386-y += tests/fdc-test$(EXESUF) @@ -280,6 +284,7 @@ tests/virtio-9p-test$(EXESUF): tests/virtio-9p-test.o tests/virtio-serial-test$(EXESUF): tests/virtio-serial-test.o tests/virtio-console-test$(EXESUF): tests/virtio-console-test.o tests/tpci200-test$(EXESUF): tests/tpci200-test.o +tests/display-vga-test$(EXESUF): tests/display-vga-test.o tests/ipoctal232-test$(EXESUF): tests/ipoctal232-test.o tests/qom-test$(EXESUF): tests/qom-test.o tests/blockdev-test$(EXESUF): tests/blockdev-test.o $(libqos-pc-obj-y) diff --git a/tests/display-vga-test.c b/tests/display-vga-test.c new file mode 100644 index 0000000000..17f59101e8 --- /dev/null +++ b/tests/display-vga-test.c @@ -0,0 +1,52 @@ +/* + * QTest testcase for vga cards + * + * Copyright (c) 2014 Red Hat, Inc + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include +#include +#include "libqtest.h" +#include "qemu/osdep.h" + +static void pci_cirrus(void) +{ + qtest_start("-vga none -device cirrus-vga"); + qtest_end(); +} + +static void pci_stdvga(void) +{ + qtest_start("-vga none -device VGA"); + qtest_end(); +} + +static void pci_secondary(void) +{ + qtest_start("-vga none -device secondary-vga"); + qtest_end(); +} + +static void pci_multihead(void) +{ + qtest_start("-vga none -device VGA -device secondary-vga"); + qtest_end(); +} + +int main(int argc, char **argv) +{ + int ret; + + g_test_init(&argc, &argv, NULL); + + qtest_add_func("/display/pci/cirrus", pci_cirrus); + qtest_add_func("/display/pci/stdvga", pci_stdvga); + qtest_add_func("/display/pci/secondary", pci_secondary); + qtest_add_func("/display/pci/multihead", pci_multihead); + ret = g_test_run(); + + return ret; +}