diff options
| -rw-r--r-- | hw/block/nvme.c | 4 | ||||
| -rw-r--r-- | include/block/nvme.h | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index c1323ca..32c35fe 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1026,6 +1026,10 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); + if (NVME_CC_CSS(n->bar.cc) == NVME_CC_CSS_ADMIN_ONLY) { + return NVME_INVALID_OPCODE | NVME_DNR; + } + if (!nvme_nsid_valid(n, nsid)) { return NVME_INVALID_NSID | NVME_DNR; } diff --git a/include/block/nvme.h b/include/block/nvme.h index 521533f..6de2d5a 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -115,6 +115,11 @@ enum NvmeCcMask { #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK) #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK) +enum NvmeCcCss { + NVME_CC_CSS_NVM = 0x0, + NVME_CC_CSS_ADMIN_ONLY = 0x7, +}; + enum NvmeCstsShift { CSTS_RDY_SHIFT = 0, CSTS_CFS_SHIFT = 1, |