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[Qemu-devel] [RFC v3 18/56] pci: add API to get a BAR's mapped address
From: |
Avi Kivity |
Subject: |
[Qemu-devel] [RFC v3 18/56] pci: add API to get a BAR's mapped address |
Date: |
Sun, 10 Jul 2011 21:14:31 +0300 |
This is a hack, for devices that have a back-channel to read this
address back outside the normal configuration mechanisms, such
as VMware svga.
Signed-off-by: Avi Kivity <address@hidden>
---
hw/pci.c | 5 +++++
hw/pci.h | 1 +
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 36db58b..912f849 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -952,6 +952,11 @@ void pci_register_bar_region(PCIDevice *pci_dev, int
region_num,
pci_dev->io_regions[region_num].memory = memory;
}
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num)
+{
+ return pci_dev->io_regions[region_num].addr;
+}
+
static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size,
uint8_t type)
{
diff --git a/hw/pci.h b/hw/pci.h
index c51156d..64282ad 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -207,6 +207,7 @@ void pci_register_bar_simple(PCIDevice *pci_dev, int
region_num,
pcibus_t size, uint8_t attr, ram_addr_t ram_addr);
void pci_register_bar_region(PCIDevice *pci_dev, int region_num,
uint8_t attr, MemoryRegion *memory);
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num);
int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
uint8_t offset, uint8_t size);
--
1.7.5.3
- [Qemu-devel] [RFC v3 00/56] Memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 18/56] pci: add API to get a BAR's mapped address,
Avi Kivity <=
- [Qemu-devel] [RFC v3 03/56] memory: merge adjacent segments of a single memory region, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 21/56] cirrus: simplify mmio BAR access functions, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 02/56] memory: implement dirty tracking, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 11/56] pc: grab system_memory, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 31/56] ac97: convert to memory API, Avi Kivity, 2011/07/10