The CMDQV extension on NVIDIA Tegra241 SoC only supports CS_NONE in the
CS field of CMD_SYNC, v.s. standard SMMU CMDQ. Pass in the cmdq pointer
directly, so the function can identify a different cmdq implementation.
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index f481d7be3d4e..d11362e9fc8a 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -342,8 +342,10 @@ static struct arm_smmu_cmdq *arm_smmu_get_cmdq(struct arm_smmu_device *smmu)
}
static void arm_smmu_cmdq_build_sync_cmd(u64 *cmd, struct arm_smmu_device *smmu,
- struct arm_smmu_queue *q, u32 prod)
+ struct arm_smmu_cmdq *cmdq, u32 prod)
{
+ struct arm_smmu_queue *q = &cmdq->q;
+
cmd[1] = 0;
cmd[0] = FIELD_PREP(CMDQ_0_OP, CMDQ_OP_CMD_SYNC) |
FIELD_PREP(CMDQ_SYNC_0_MSH, ARM_SMMU_SH_ISH) |
@@ -364,7 +366,7 @@ static void arm_smmu_cmdq_build_sync_cmd(u64 *cmd, struct arm_smmu_device *smmu,
}
static void __arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu,
- struct arm_smmu_queue *q)
+ struct arm_smmu_cmdq *cmdq)
{
static const char * const cerror_str[] = {
[CMDQ_ERR_CERROR_NONE_IDX] = "No error",
@@ -372,6 +374,7 @@ static void __arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu,
[CMDQ_ERR_CERROR_ABT_IDX] = "Abort on command fetch",
[CMDQ_ERR_CERROR_ATC_INV_IDX] = "ATC invalidate timeout",
};
+ struct arm_smmu_queue *q = &cmdq->q;
int i;
u64 cmd[CMDQ_ENT_DWORDS];
@@ -410,14 +413,14 @@ static void __arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu,
dev_err(smmu->dev, "\t0x%016llx\n", (unsigned long long)cmd[i]);
/* Convert the erroneous command into a CMD_SYNC */
- arm_smmu_cmdq_build_sync_cmd(cmd, smmu, q, cons);
+ arm_smmu_cmdq_build_sync_cmd(cmd, smmu, cmdq, cons);
queue_write(Q_ENT(q, cons), cmd, q->ent_dwords);
}
static void arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu)
{
- __arm_smmu_cmdq_skip_err(smmu, &smmu->cmdq.q);
+ __arm_smmu_cmdq_skip_err(smmu, &smmu->cmdq);
}
/*
@@ -780,7 +783,7 @@ static int arm_smmu_cmdq_issue_cmdlist(struct arm_smmu_device *smmu,
arm_smmu_cmdq_write_entries(cmdq, cmds, llq.prod, n);
if (sync) {
prod = queue_inc_prod_n(&llq, n);
- arm_smmu_cmdq_build_sync_cmd(cmd_sync, smmu, &cmdq->q, prod);
+ arm_smmu_cmdq_build_sync_cmd(cmd_sync, smmu, cmdq, prod);
queue_write(Q_ENT(&cmdq->q, prod), cmd_sync, CMDQ_ENT_DWORDS);
/*
--
2.43.0
