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-rw-r--r--hw/block/nvme.c20
-rw-r--r--hw/block/trace-events4
2 files changed, 6 insertions, 18 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index b8c6be6..2896bb4 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -327,11 +327,6 @@ static uint16_t nvme_map_prp(NvmeCtrl *n, uint64_t prp1, uint64_t prp2,
trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps);
- if (unlikely(!prp1)) {
- trace_pci_nvme_err_invalid_prp();
- return NVME_INVALID_FIELD | NVME_DNR;
- }
-
if (nvme_addr_is_cmb(n, prp1)) {
qemu_iovec_init(iov, num_prps);
} else {
@@ -345,11 +340,6 @@ static uint16_t nvme_map_prp(NvmeCtrl *n, uint64_t prp1, uint64_t prp2,
len -= trans_len;
if (len) {
- if (unlikely(!prp2)) {
- trace_pci_nvme_err_invalid_prp2_missing();
- return NVME_INVALID_FIELD | NVME_DNR;
- }
-
if (len > n->page_size) {
uint64_t prp_list[n->max_prp_ents];
uint32_t nents, prp_trans;
@@ -370,9 +360,9 @@ static uint16_t nvme_map_prp(NvmeCtrl *n, uint64_t prp1, uint64_t prp2,
uint64_t prp_ent = le64_to_cpu(prp_list[i]);
if (i == n->max_prp_ents - 1 && len > n->page_size) {
- if (unlikely(!prp_ent || prp_ent & (n->page_size - 1))) {
+ if (unlikely(prp_ent & (n->page_size - 1))) {
trace_pci_nvme_err_invalid_prplist_ent(prp_ent);
- return NVME_INVALID_FIELD | NVME_DNR;
+ return NVME_INVALID_PRP_OFFSET | NVME_DNR;
}
if (prp_list_in_cmb != nvme_addr_is_cmb(n, prp_ent)) {
@@ -391,9 +381,9 @@ static uint16_t nvme_map_prp(NvmeCtrl *n, uint64_t prp1, uint64_t prp2,
prp_ent = le64_to_cpu(prp_list[i]);
}
- if (unlikely(!prp_ent || prp_ent & (n->page_size - 1))) {
+ if (unlikely(prp_ent & (n->page_size - 1))) {
trace_pci_nvme_err_invalid_prplist_ent(prp_ent);
- return NVME_INVALID_FIELD | NVME_DNR;
+ return NVME_INVALID_PRP_OFFSET | NVME_DNR;
}
trans_len = MIN(len, n->page_size);
@@ -408,7 +398,7 @@ static uint16_t nvme_map_prp(NvmeCtrl *n, uint64_t prp1, uint64_t prp2,
} else {
if (unlikely(prp2 & (n->page_size - 1))) {
trace_pci_nvme_err_invalid_prp2_align(prp2);
- return NVME_INVALID_FIELD | NVME_DNR;
+ return NVME_INVALID_PRP_OFFSET | NVME_DNR;
}
status = nvme_map_addr(n, qsg, iov, prp2, len);
if (status) {
diff --git a/hw/block/trace-events b/hw/block/trace-events
index cab9913..c1537e3 100644
--- a/hw/block/trace-events
+++ b/hw/block/trace-events
@@ -97,10 +97,8 @@ pci_nvme_err_invalid_sgld(uint16_t cid, uint8_t typ) "cid %"PRIu16" type 0x%"PRI
pci_nvme_err_invalid_num_sgld(uint16_t cid, uint8_t typ) "cid %"PRIu16" type 0x%"PRIx8""
pci_nvme_err_invalid_sgl_excess_length(uint16_t cid) "cid %"PRIu16""
pci_nvme_err_invalid_dma(void) "PRP/SGL is too small for transfer size"
-pci_nvme_err_invalid_prplist_ent(uint64_t prplist) "PRP list entry is null or not page aligned: 0x%"PRIx64""
+pci_nvme_err_invalid_prplist_ent(uint64_t prplist) "PRP list entry is not page aligned: 0x%"PRIx64""
pci_nvme_err_invalid_prp2_align(uint64_t prp2) "PRP2 is not page aligned: 0x%"PRIx64""
-pci_nvme_err_invalid_prp2_missing(void) "PRP2 is null and more data to be transferred"
-pci_nvme_err_invalid_prp(void) "invalid PRP"
pci_nvme_err_invalid_opc(uint8_t opc) "invalid opcode 0x%"PRIx8""
pci_nvme_err_invalid_admin_opc(uint8_t opc) "invalid admin opcode 0x%"PRIx8""
pci_nvme_err_invalid_lba_range(uint64_t start, uint64_t len, uint64_t limit) "Invalid LBA start=%"PRIu64" len=%"PRIu64" limit=%"PRIu64""