diff options
Diffstat (limited to 'hw/i386/kvm/pci-assign.c')
-rw-r--r-- | hw/i386/kvm/pci-assign.c | 82 |
1 files changed, 7 insertions, 75 deletions
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c index 74d22f4fd2..b1beaa66b2 100644 --- a/hw/i386/kvm/pci-assign.c +++ b/hw/i386/kvm/pci-assign.c @@ -37,6 +37,7 @@ #include "hw/pci/pci.h" #include "hw/pci/msi.h" #include "kvm_i386.h" +#include "hw/pci/pci-assign.h" #define MSIX_PAGE_SIZE 0x1000 @@ -48,17 +49,6 @@ #define IORESOURCE_PREFETCH 0x00002000 /* No side effects */ #define IORESOURCE_MEM_64 0x00100000 -//#define DEVICE_ASSIGNMENT_DEBUG - -#ifdef DEVICE_ASSIGNMENT_DEBUG -#define DEBUG(fmt, ...) \ - do { \ - fprintf(stderr, "%s: " fmt, __func__ , __VA_ARGS__); \ - } while (0) -#else -#define DEBUG(fmt, ...) -#endif - typedef struct PCIRegion { int type; /* Memory or port I/O */ int valid; @@ -1896,73 +1886,15 @@ static void assign_register_types(void) type_init(assign_register_types) -/* - * Scan the assigned devices for the devices that have an option ROM, and then - * load the corresponding ROM data to RAM. If an error occurs while loading an - * option ROM, we just ignore that option ROM and continue with the next one. - */ static void assigned_dev_load_option_rom(AssignedDevice *dev) { - char name[32], rom_file[64]; - FILE *fp; - uint8_t val; - struct stat st; - void *ptr; - - /* If loading ROM from file, pci handles it */ - if (dev->dev.romfile || !dev->dev.rom_bar) { - return; - } + int size = 0; - snprintf(rom_file, sizeof(rom_file), - "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/rom", - dev->host.domain, dev->host.bus, dev->host.slot, - dev->host.function); + pci_assign_dev_load_option_rom(&dev->dev, OBJECT(dev), &size, + dev->host.domain, dev->host.bus, + dev->host.slot, dev->host.function); - if (stat(rom_file, &st)) { - return; - } - - if (access(rom_file, F_OK)) { - error_report("pci-assign: Insufficient privileges for %s", rom_file); - return; - } - - /* Write "1" to the ROM file to enable it */ - fp = fopen(rom_file, "r+"); - if (fp == NULL) { - return; + if (!size) { + error_report("pci-assign: Invalid ROM."); } - val = 1; - if (fwrite(&val, 1, 1, fp) != 1) { - goto close_rom; - } - fseek(fp, 0, SEEK_SET); - - snprintf(name, sizeof(name), "%s.rom", - object_get_typename(OBJECT(dev))); - memory_region_init_ram(&dev->dev.rom, OBJECT(dev), name, st.st_size, - &error_abort); - vmstate_register_ram(&dev->dev.rom, &dev->dev.qdev); - ptr = memory_region_get_ram_ptr(&dev->dev.rom); - memset(ptr, 0xff, st.st_size); - - if (!fread(ptr, 1, st.st_size, fp)) { - error_report("pci-assign: Cannot read from host %s", rom_file); - error_printf("Device option ROM contents are probably invalid " - "(check dmesg).\nSkip option ROM probe with rombar=0, " - "or load from file with romfile=\n"); - goto close_rom; - } - - pci_register_bar(&dev->dev, PCI_ROM_SLOT, 0, &dev->dev.rom); - dev->dev.has_rom = true; -close_rom: - /* Write "0" to disable ROM */ - fseek(fp, 0, SEEK_SET); - val = 0; - if (!fwrite(&val, 1, 1, fp)) { - DEBUG("%s\n", "Failed to disable pci-sysfs rom file"); - } - fclose(fp); } |