X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fpci_passthrough.c;h=25b22629d5a7f8b2c7f9dab63138c66391688857;hp=5c5a46877f510c4bd5c4527a03643fc988bcec7d;hb=afb2a35b2e15ba0fa932c4e49a3678f958a4502a;hpb=3a4e54ec208ea3589963b410d2d73292bbc4a8fe diff --git a/palacios/src/devices/pci_passthrough.c b/palacios/src/devices/pci_passthrough.c index 5c5a468..25b2262 100644 --- a/palacios/src/devices/pci_passthrough.c +++ b/palacios/src/devices/pci_passthrough.c @@ -35,7 +35,7 @@ #include #include #include - +#include #include #include @@ -46,7 +46,7 @@ #define PCI_CFG_ADDR 0xcf8 #define PCI_CFG_DATA 0xcfc -#define PCI_BUS_MAX 4 +#define PCI_BUS_MAX 7 #define PCI_DEV_MAX 32 #define PCI_FN_MAX 7 @@ -451,7 +451,7 @@ static int find_real_pci_dev(uint16_t vendor_id, uint16_t device_id, struct pt_d } __attribute__((packed)) pci_hdr = {0}; - + //PrintDebug("Scanning PCI busses for vendor=%x, device=%x\n", vendor_id, device_id); for (i = 0, pci_addr.bus = 0; i < PCI_BUS_MAX; i++, pci_addr.bus++) { for (j = 0, pci_addr.dev = 0; j < PCI_DEV_MAX; j++, pci_addr.dev++) { for (k = 0, pci_addr.func = 0; k < PCI_FN_MAX; k++, pci_addr.func++) { @@ -459,6 +459,8 @@ static int find_real_pci_dev(uint16_t vendor_id, uint16_t device_id, struct pt_d v3_outdw(PCI_CFG_ADDR, pci_addr.value); pci_hdr.value = v3_indw(PCI_CFG_DATA); + //PrintDebug("\bus=%d, tvendor=%x, device=%x\n", pci_addr.bus, pci_hdr.vendor, pci_hdr.device); + if ((pci_hdr.vendor == vendor_id) && (pci_hdr.device == device_id)) { uint32_t * cfg_space = (uint32_t *)&state->real_hdr; @@ -504,11 +506,16 @@ static int setup_virt_pci_dev(struct guest_info * info, struct vm_device * dev) bus_num, -1, 0, state->name, bars, pt_config_update, NULL, NULL, - dev, dev); + dev); // This will overwrite the bar registers.. but that should be ok. memcpy(pci_dev->config_space, (uint8_t *)&(state->real_hdr), sizeof(struct pci_config_header)); + state->pci_dev = pci_dev; + + v3_sym_map_pci_passthrough(info, pci_dev->bus_num, pci_dev->dev_num, pci_dev->fn_num); + + return 0; } @@ -522,6 +529,22 @@ static struct v3_device_ops dev_ops = { +static int irq_handler(struct guest_info * info, struct v3_interrupt * intr, void * private_data) { + struct vm_device * dev = (struct vm_device *)private_data; + struct pt_dev_state * state = (struct pt_dev_state *)dev->private_data; + + // PrintDebug("Handling E1000 IRQ %d\n", intr->irq); + + v3_pci_raise_irq(state->pci_bus, 0, state->pci_dev); + + V3_ACK_IRQ(intr->irq); + + return 0; +} + + + + static int passthrough_init(struct guest_info * info, void * cfg_data) { struct pci_passthrough_cfg * cfg = (struct pci_passthrough_cfg *)cfg_data; struct pt_dev_state * state = V3_Malloc(sizeof(struct pt_dev_state)); @@ -541,6 +564,7 @@ static int passthrough_init(struct guest_info * info, void * cfg_data) { + dev = v3_allocate_device("PCI_PASSTHROUGH", &dev_ops, state); if (v3_attach_device(info, dev) == -1) { @@ -556,6 +580,9 @@ static int passthrough_init(struct guest_info * info, void * cfg_data) { setup_virt_pci_dev(info, dev); + v3_hook_irq(info, 59, irq_handler, dev); + v3_hook_irq(info, 64, irq_handler, dev); + return 0; }