| #include "kvm/vesa.h" |
| |
| #include "kvm/devices.h" |
| #include "kvm/virtio-pci-dev.h" |
| #include "kvm/framebuffer.h" |
| #include "kvm/kvm-cpu.h" |
| #include "kvm/ioport.h" |
| #include "kvm/util.h" |
| #include "kvm/irq.h" |
| #include "kvm/kvm.h" |
| #include "kvm/pci.h" |
| |
| #include <linux/byteorder.h> |
| #include <sys/mman.h> |
| #include <linux/err.h> |
| #include <sys/types.h> |
| #include <sys/ioctl.h> |
| #include <inttypes.h> |
| #include <unistd.h> |
| |
| static bool vesa_pci_io_in(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void *data, int size) |
| { |
| return true; |
| } |
| |
| static bool vesa_pci_io_out(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void *data, int size) |
| { |
| return true; |
| } |
| |
| static struct ioport_operations vesa_io_ops = { |
| .io_in = vesa_pci_io_in, |
| .io_out = vesa_pci_io_out, |
| }; |
| |
| static struct pci_device_header vesa_pci_device = { |
| .vendor_id = cpu_to_le16(PCI_VENDOR_ID_REDHAT_QUMRANET), |
| .device_id = cpu_to_le16(PCI_DEVICE_ID_VESA), |
| .header_type = PCI_HEADER_TYPE_NORMAL, |
| .revision_id = 0, |
| .class[2] = 0x03, |
| .subsys_vendor_id = cpu_to_le16(PCI_SUBSYSTEM_VENDOR_ID_REDHAT_QUMRANET), |
| .subsys_id = cpu_to_le16(PCI_SUBSYSTEM_ID_VESA), |
| .bar[1] = cpu_to_le32(VESA_MEM_ADDR | PCI_BASE_ADDRESS_SPACE_MEMORY), |
| .bar_size[1] = VESA_MEM_SIZE, |
| }; |
| |
| static struct device_header vesa_device = { |
| .bus_type = DEVICE_BUS_PCI, |
| .data = &vesa_pci_device, |
| }; |
| |
| static struct framebuffer vesafb; |
| |
| struct framebuffer *vesa__init(struct kvm *kvm) |
| { |
| u16 vesa_base_addr; |
| char *mem; |
| int r; |
| |
| if (!kvm->cfg.vnc && !kvm->cfg.sdl && !kvm->cfg.gtk) |
| return NULL; |
| |
| r = ioport__register(kvm, IOPORT_EMPTY, &vesa_io_ops, IOPORT_SIZE, NULL); |
| if (r < 0) |
| return ERR_PTR(r); |
| |
| vesa_base_addr = (u16)r; |
| vesa_pci_device.bar[0] = cpu_to_le32(vesa_base_addr | PCI_BASE_ADDRESS_SPACE_IO); |
| device__register(&vesa_device); |
| |
| mem = mmap(NULL, VESA_MEM_SIZE, PROT_RW, MAP_ANON_NORESERVE, -1, 0); |
| if (mem == MAP_FAILED) |
| ERR_PTR(-errno); |
| |
| kvm__register_dev_mem(kvm, VESA_MEM_ADDR, VESA_MEM_SIZE, mem); |
| |
| vesafb = (struct framebuffer) { |
| .width = VESA_WIDTH, |
| .height = VESA_HEIGHT, |
| .depth = VESA_BPP, |
| .mem = mem, |
| .mem_addr = VESA_MEM_ADDR, |
| .mem_size = VESA_MEM_SIZE, |
| .kvm = kvm, |
| }; |
| return fb__register(&vesafb); |
| } |