Enable 64 bits bar emulation.
v2 changes from v1:
- Change 0lx% to 0x%016 when print a 64 bit variable.
Test pass with the current seabios which already support 64bit pci bars.
Signed-off-by: Xudong Hao <xudong.hao@xxxxxxxxx>
---
hw/kvm/pci-assign.c | 22 ++++++++++++++--------
1 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/hw/kvm/pci-assign.c b/hw/kvm/pci-assign.c
index 7a0998c..fb58ca9 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,
@@ -468,10 +473,10 @@ static int assigned_dev_register_regions(PCIRegion *io_regions,
(cur_region->base_addr & 0xFFF);
if (cur_region->size & 0xFFF) {
- error_report("PCI region %d at address 0x%" PRIx64 " has "
- "size 0x%" PRIx64 ", which is not a multiple of "
- "4K. You might experience some performance hit "
- "due to that.",
+ error_report("PCI region %d at address 0x%016" PRIx64 " has "
+ "size 0x%016" PRIx64 ", which is not a multiple "
+ "of 4K. You might experience some performance "
+ "hit due to that.",
i, cur_region->base_addr, cur_region->size);
memory_region_init_io(&pci_dev->v_addrs[i].real_iomem,
&slow_bar_ops, &pci_dev->v_addrs[i],
@@ -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;
}
--
1.5.5
--
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