diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-09-09 16:41:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-19 12:59:16 +0200 |
| commit | 90008ee4b811c944455752dcb72b291a5ba81b53 (patch) | |
| tree | 2c54f65efbabd7d9decbff49e12199eed00082b7 /include/asm-x86 | |
| parent | a80dc3e0e0dc8393158de317d66ae0f345dc58f9 (diff) | |
AMD IOMMU: add event handling code
This patch adds code for polling and printing out events generated by
the AMD IOMMU.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/amd_iommu_types.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 8533f09b34b7..d8c5a6c69955 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -71,6 +71,25 @@ /* MMIO status bits */ #define MMIO_STATUS_COM_WAIT_INT_MASK 0x04 +/* event logging constants */ +#define EVENT_ENTRY_SIZE 0x10 +#define EVENT_TYPE_SHIFT 28 +#define EVENT_TYPE_MASK 0xf +#define EVENT_TYPE_ILL_DEV 0x1 +#define EVENT_TYPE_IO_FAULT 0x2 +#define EVENT_TYPE_DEV_TAB_ERR 0x3 +#define EVENT_TYPE_PAGE_TAB_ERR 0x4 +#define EVENT_TYPE_ILL_CMD 0x5 +#define EVENT_TYPE_CMD_HARD_ERR 0x6 +#define EVENT_TYPE_IOTLB_INV_TO 0x7 +#define EVENT_TYPE_INV_DEV_REQ 0x8 +#define EVENT_DEVID_MASK 0xffff +#define EVENT_DEVID_SHIFT 0 +#define EVENT_DOMID_MASK 0xffff +#define EVENT_DOMID_SHIFT 0 +#define EVENT_FLAGS_MASK 0xfff +#define EVENT_FLAGS_SHIFT 0x10 + /* feature control bits */ #define CONTROL_IOMMU_EN 0x00ULL #define CONTROL_HT_TUN_EN 0x01ULL @@ -165,6 +184,9 @@ #define MAX_DOMAIN_ID 65536 +/* FIXME: move this macro to <linux/pci.h> */ +#define PCI_BUS(x) (((x) >> 8) & 0xff) + /* * This structure contains generic data for IOMMU protection domains * independent of their use. |