diff options
| -rw-r--r-- | hw/i386/kvm/pci-assign.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c index f9c901471d..98997d167c 100644 --- a/hw/i386/kvm/pci-assign.c +++ b/hw/i386/kvm/pci-assign.c @@ -36,8 +36,6 @@ #include "kvm_i386.h" #include "hw/pci/pci-assign.h" -#define MSIX_PAGE_SIZE 0x1000 - /* From linux/ioport.h */ #define IORESOURCE_IO 0x00000100 /* Resource type */ #define IORESOURCE_MEM 0x00000200 @@ -122,6 +120,7 @@ typedef struct AssignedDevice { int *msi_virq; MSIXTableEntry *msix_table; hwaddr msix_table_addr; + uint16_t msix_table_size; uint16_t msix_max; MemoryRegion mmio; char *configfd_name; @@ -1310,6 +1309,7 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev, Error **errp) bar_nr = msix_table_entry & PCI_MSIX_FLAGS_BIRMASK; msix_table_entry &= ~PCI_MSIX_FLAGS_BIRMASK; dev->msix_table_addr = pci_region[bar_nr].base_addr + msix_table_entry; + dev->msix_table_size = msix_max * sizeof(MSIXTableEntry); dev->msix_max = msix_max; } @@ -1633,7 +1633,7 @@ static void assigned_dev_msix_reset(AssignedDevice *dev) return; } - memset(dev->msix_table, 0, MSIX_PAGE_SIZE); + memset(dev->msix_table, 0, dev->msix_table_size); for (i = 0, entry = dev->msix_table; i < dev->msix_max; i++, entry++) { entry->ctrl = cpu_to_le32(0x1); /* Masked */ @@ -1642,8 +1642,8 @@ static void assigned_dev_msix_reset(AssignedDevice *dev) static void assigned_dev_register_msix_mmio(AssignedDevice *dev, Error **errp) { - dev->msix_table = mmap(NULL, MSIX_PAGE_SIZE, PROT_READ|PROT_WRITE, - MAP_ANONYMOUS|MAP_PRIVATE, 0, 0); + dev->msix_table = mmap(NULL, dev->msix_table_size, PROT_READ | PROT_WRITE, + MAP_ANONYMOUS | MAP_PRIVATE, 0, 0); if (dev->msix_table == MAP_FAILED) { error_setg_errno(errp, errno, "failed to allocate msix_table"); dev->msix_table = NULL; @@ -1653,7 +1653,7 @@ static void assigned_dev_register_msix_mmio(AssignedDevice *dev, Error **errp) assigned_dev_msix_reset(dev); memory_region_init_io(&dev->mmio, OBJECT(dev), &assigned_dev_msix_mmio_ops, - dev, "assigned-dev-msix", MSIX_PAGE_SIZE); + dev, "assigned-dev-msix", dev->msix_table_size); } static void assigned_dev_unregister_msix_mmio(AssignedDevice *dev) @@ -1662,7 +1662,7 @@ static void assigned_dev_unregister_msix_mmio(AssignedDevice *dev) return; } - if (munmap(dev->msix_table, MSIX_PAGE_SIZE) == -1) { + if (munmap(dev->msix_table, dev->msix_table_size) == -1) { error_report("error unmapping msix_table! %s", strerror(errno)); } dev->msix_table = NULL; |