diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/block/nvme.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index bfc23037c3..a5f6dc4b8e 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1310,6 +1310,14 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) blk_set_enable_write_cache(n->conf.blk, dw11 & 1); break; case NVME_NUMBER_OF_QUEUES: + /* + * NVMe v1.3, Section 5.21.1.7: 0xffff is not an allowed value for NCQR + * and NSQR. + */ + if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { + return NVME_INVALID_FIELD | NVME_DNR; + } + trace_pci_nvme_setfeat_numq((dw11 & 0xFFFF) + 1, ((dw11 >> 16) & 0xFFFF) + 1, n->params.max_ioqpairs, |