diff options
| -rw-r--r-- | drivers/iommu/amd/amd_iommu_types.h | 4 | ||||
| -rw-r--r-- | drivers/iommu/amd/init.c | 10 | ||||
| -rw-r--r-- | drivers/iommu/amd/iommu.c | 2 |
3 files changed, 8 insertions, 8 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index 081d8d0f29d5..a8d264026f7f 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -451,6 +451,10 @@ #define PD_IOMMUV2_MASK BIT(3) /* domain has gcr3 table */ #define PD_GIOV_MASK BIT(4) /* domain enable GIOV support */ +/* Timeout stuff */ +#define LOOP_TIMEOUT 100000 +#define MMIO_STATUS_TIMEOUT 2000000 + extern bool amd_iommu_dump; #define DUMP_printk(format, arg...) \ do { \ diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 45efb7e5d725..852e40b13d20 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -83,8 +83,6 @@ #define ACPI_DEVFLAG_LINT1 0x80 #define ACPI_DEVFLAG_ATSDIS 0x10000000 -#define LOOP_TIMEOUT 2000000 - #define IVRS_GET_SBDF_ID(seg, bus, dev, fn) (((seg & 0xffff) << 16) | ((bus & 0xff) << 8) \ | ((dev & 0x1f) << 3) | (fn & 0x7)) @@ -985,14 +983,14 @@ static int iommu_ga_log_enable(struct amd_iommu *iommu) iommu_feature_enable(iommu, CONTROL_GAINT_EN); iommu_feature_enable(iommu, CONTROL_GALOG_EN); - for (i = 0; i < LOOP_TIMEOUT; ++i) { + for (i = 0; i < MMIO_STATUS_TIMEOUT; ++i) { status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET); if (status & (MMIO_STATUS_GALOG_RUN_MASK)) break; udelay(10); } - if (WARN_ON(i >= LOOP_TIMEOUT)) + if (WARN_ON(i >= MMIO_STATUS_TIMEOUT)) return -EINVAL; return 0; @@ -2900,14 +2898,14 @@ static void enable_iommus_vapic(void) * Need to set and poll check the GALOGRun bit to zero before * we can set/ modify GA Log registers safely. */ - for (i = 0; i < LOOP_TIMEOUT; ++i) { + for (i = 0; i < MMIO_STATUS_TIMEOUT; ++i) { status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET); if (!(status & MMIO_STATUS_GALOG_RUN_MASK)) break; udelay(10); } - if (WARN_ON(i >= LOOP_TIMEOUT)) + if (WARN_ON(i >= MMIO_STATUS_TIMEOUT)) return; } diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 95bd7c25ba6f..6fa6a0527d7b 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -44,8 +44,6 @@ #define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28)) -#define LOOP_TIMEOUT 100000 - /* IO virtual address start page frame number */ #define IOVA_START_PFN (1) #define IOVA_PFN(addr) ((addr) >> PAGE_SHIFT) |