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authorXudong Hao <xudong.hao@intel.com>2012-12-20 11:07:23 +0800
committerGleb Natapov <gleb@redhat.com>2012-12-25 14:37:52 +0200
commit0a2a59d35cbabf63c91340a1c62038e3e60538c1 (patch)
tree08db34f1d6c98965dcd0a99a6ae41535a2de7650
parentf28558d3d37ad3bc4e35e8ac93f7bf81a0d5622c (diff)
qemu-kvm/pci-assign: 64 bits bar emulation
Enable 64 bits bar emulation. Test pass with the current seabios which already support 64bit pci bars. Signed-off-by: Xudong Hao <xudong.hao@intel.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
-rw-r--r--hw/kvm/pci-assign.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/hw/kvm/pci-assign.c b/hw/kvm/pci-assign.c
index e80dad009c..addc205596 100644
--- a/hw/kvm/pci-assign.c
+++ b/hw/kvm/pci-assign.c
@@ -46,6 +46,7 @@
#define IORESOURCE_IRQ 0x00000400
#define IORESOURCE_DMA 0x00000800
#define IORESOURCE_PREFETCH 0x00002000 /* No side effects */
+#define IORESOURCE_MEM_64 0x00100000
//#define DEVICE_ASSIGNMENT_DEBUG
@@ -442,9 +443,13 @@ static int assigned_dev_register_regions(PCIRegion *io_regions,
/* handle memory io regions */
if (cur_region->type & IORESOURCE_MEM) {
- int t = cur_region->type & IORESOURCE_PREFETCH
- ? PCI_BASE_ADDRESS_MEM_PREFETCH
- : PCI_BASE_ADDRESS_SPACE_MEMORY;
+ int t = PCI_BASE_ADDRESS_SPACE_MEMORY;
+ if (cur_region->type & IORESOURCE_PREFETCH) {
+ t |= PCI_BASE_ADDRESS_MEM_PREFETCH;
+ }
+ if (cur_region->type & IORESOURCE_MEM_64) {
+ t |= PCI_BASE_ADDRESS_MEM_TYPE_64;
+ }
/* map physical memory */
pci_dev->v_addrs[i].u.r_virtbase = mmap(NULL, cur_region->size,
@@ -632,7 +637,8 @@ again:
rp->valid = 0;
rp->resource_fd = -1;
size = end - start + 1;
- flags &= IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH;
+ flags &= IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH
+ | IORESOURCE_MEM_64;
if (size == 0 || (flags & ~IORESOURCE_PREFETCH) == 0) {
continue;
}