diff options
Diffstat (limited to 'sys/amd64/vmm')
| -rw-r--r-- | sys/amd64/vmm/amd/amdvi_hw.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/sys/amd64/vmm/amd/amdvi_hw.c b/sys/amd64/vmm/amd/amdvi_hw.c index 831c31277570..4dd0339654a9 100644 --- a/sys/amd64/vmm/amd/amdvi_hw.c +++ b/sys/amd64/vmm/amd/amdvi_hw.c @@ -274,6 +274,7 @@ amdvi_get_cmd_tail(struct amdvi_softc *softc) tail = (struct amdvi_cmd *)((uint8_t *)softc->cmd + ctrl->cmd_tail); + memset(tail, 0, sizeof(*tail)); return (tail); } @@ -316,7 +317,6 @@ amdvi_cmd_cmp(struct amdvi_softc *softc, const uint64_t data) uint64_t pa; cmd = amdvi_get_cmd_tail(softc); - KASSERT(cmd != NULL, ("Cmd is NULL")); pa = vtophys(&softc->cmp_data); cmd->opcode = AMDVI_CMP_WAIT_OPCODE; @@ -334,7 +334,6 @@ amdvi_cmd_inv_dte(struct amdvi_softc *softc, uint16_t devid) struct amdvi_cmd *cmd; cmd = amdvi_get_cmd_tail(softc); - KASSERT(cmd != NULL, ("Cmd is NULL")); cmd->opcode = AMDVI_INVD_DTE_OPCODE; cmd->word0 = devid; amdvi_update_cmd_tail(softc); @@ -352,7 +351,6 @@ amdvi_cmd_inv_iommu_pages(struct amdvi_softc *softc, uint16_t domain_id, struct amdvi_cmd *cmd; cmd = amdvi_get_cmd_tail(softc); - KASSERT(cmd != NULL, ("Cmd is NULL")); cmd->opcode = AMDVI_INVD_PAGE_OPCODE; cmd->word1 = domain_id; @@ -383,7 +381,6 @@ amdvi_cmd_inv_iotlb(struct amdvi_softc *softc, uint16_t devid) qlen, RID2PCI_STR(devid)); } cmd = amdvi_get_cmd_tail(softc); - KASSERT(cmd != NULL, ("Cmd is NULL")); #ifdef AMDVI_DEBUG_CMD device_printf(softc->dev, "Invalidate IOTLB devID 0x%x" @@ -406,7 +403,6 @@ amdvi_cmd_inv_intr_map(struct amdvi_softc *softc, struct amdvi_cmd *cmd; cmd = amdvi_get_cmd_tail(softc); - KASSERT(cmd != NULL, ("Cmd is NULL")); cmd->opcode = AMDVI_INVD_INTR_OPCODE; cmd->word0 = devid; amdvi_update_cmd_tail(softc); @@ -420,10 +416,6 @@ amdvi_cmd_inv_intr_map(struct amdvi_softc *softc, static void amdvi_inv_domain(struct amdvi_softc *softc, uint16_t domain_id) { - struct amdvi_cmd *cmd __diagused; - - cmd = amdvi_get_cmd_tail(softc); - KASSERT(cmd != NULL, ("Cmd is NULL")); /* * See section 3.3.3 of IOMMU spec rev 2.0, software note |