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pci: interrupt disable bit support

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Interrupt disable bit is mandatory in PCI spec.
Implement it to make devices spec compliant.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Isaku Yamahata <yamahata@valinux.co.jp>
This commit is contained in:
Michael S. Tsirkin 2009-11-25 16:31:42 +02:00
parent f9bf77dd1f
commit b6981cb57b
2 changed files with 28 additions and 2 deletions
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1
hw/pci.h
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@ -101,6 +101,7 @@ typedef struct PCIIORegion {
#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
#define PCI_COMMAND_MASTER 0x4 /* Enable bus master */
#define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
#define PCI_STATUS 0x06 /* 16 bits */
#define PCI_STATUS_INTERRUPT 0x08
#define PCI_REVISION_ID 0x08 /* 8 bits */