diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-08-14 13:55:15 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 07:56:46 -0400 |
| commit | 519c31bacf78a969efa8d2e55ed8862848f28590 (patch) | |
| tree | bbeb4cd9f810536beb3bb1c5e6a827fa35a37633 /include | |
| parent | b635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff) | |
x86, AMD IOMMU: use status bit instead of memory write-back for completion wait
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/amd_iommu_types.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 22aa58ca1991..32543229db76 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h | |||
| @@ -69,6 +69,9 @@ | |||
| 69 | #define MMIO_EVT_TAIL_OFFSET 0x2018 | 69 | #define MMIO_EVT_TAIL_OFFSET 0x2018 |
| 70 | #define MMIO_STATUS_OFFSET 0x2020 | 70 | #define MMIO_STATUS_OFFSET 0x2020 |
| 71 | 71 | ||
| 72 | /* MMIO status bits */ | ||
| 73 | #define MMIO_STATUS_COM_WAIT_INT_MASK 0x04 | ||
| 74 | |||
| 72 | /* feature control bits */ | 75 | /* feature control bits */ |
| 73 | #define CONTROL_IOMMU_EN 0x00ULL | 76 | #define CONTROL_IOMMU_EN 0x00ULL |
| 74 | #define CONTROL_HT_TUN_EN 0x01ULL | 77 | #define CONTROL_HT_TUN_EN 0x01ULL |
| @@ -89,6 +92,7 @@ | |||
| 89 | #define CMD_INV_IOMMU_PAGES 0x03 | 92 | #define CMD_INV_IOMMU_PAGES 0x03 |
| 90 | 93 | ||
| 91 | #define CMD_COMPL_WAIT_STORE_MASK 0x01 | 94 | #define CMD_COMPL_WAIT_STORE_MASK 0x01 |
| 95 | #define CMD_COMPL_WAIT_INT_MASK 0x02 | ||
| 92 | #define CMD_INV_IOMMU_PAGES_SIZE_MASK 0x01 | 96 | #define CMD_INV_IOMMU_PAGES_SIZE_MASK 0x01 |
| 93 | #define CMD_INV_IOMMU_PAGES_PDE_MASK 0x02 | 97 | #define CMD_INV_IOMMU_PAGES_PDE_MASK 0x02 |
| 94 | 98 | ||