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authorIsaku Yamahata <yamahata@valinux.co.jp>2009-10-30 21:21:25 +0900
committerAnthony Liguori <aliguori@us.ibm.com>2009-11-09 08:43:10 -0600
commita0c7a97ea720fad88b2130d9c8972fc9b7666974 (patch)
tree0039b97eb8f50532f1815155ac1915d5aaa27ff6 /hw/pci.h
parent1074df4f29706c45c2754ec78b22c2d28504ebdf (diff)
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pci: implement pci bridge filtering.
This patch implements pci bridge filtering. TODO: currently almost all the map funcions assumes filtered_size == size and addr & ~(size - 1) == addr. However with bridge filtering, they aren't always true. Teach them such cases, such that filtered_size < size and addr & (size - 1) != 0. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/pci.h')
-rw-r--r--hw/pci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/pci.h b/hw/pci.h
index 3f50294..9a56d0d 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -86,6 +86,7 @@ typedef struct PCIIORegion {
pcibus_t addr; /* current PCI mapping address. -1 means not mapped */
#define PCI_BAR_UNMAPPED (~(pcibus_t)0)
pcibus_t size;
+ pcibus_t filtered_size;
uint8_t type;
PCIMapIORegionFunc *map_func;
} PCIIORegion;
@@ -130,6 +131,7 @@ typedef struct PCIIORegion {
#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */
#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
#define PCI_IO_LIMIT 0x1d
+#define PCI_IO_RANGE_TYPE_32 0x01
#define PCI_IO_RANGE_MASK (~0x0fUL)
#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
#define PCI_MEMORY_BASE 0x20 /* Memory range behind */
@@ -139,6 +141,7 @@ typedef struct PCIIORegion {
#define PCI_PREF_MEMORY_LIMIT 0x26
#define PCI_PREF_RANGE_MASK (~0x0fUL)
#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */
+#define PCI_PREF_LIMIT_UPPER32 0x2c
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */
#define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */
#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */