diff options
| -rw-r--r-- | hw/block/nvme.c | 41 | ||||
| -rw-r--r-- | hw/block/trace-events | 1 | ||||
| -rw-r--r-- | include/block/nvme.h | 1 |
3 files changed, 43 insertions, 0 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index cf0bb50..d439e44 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -3338,6 +3338,45 @@ static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) return NVME_INVALID_CMD_SET | NVME_DNR; } +static uint16_t nvme_identify_ns_attached_list(NvmeCtrl *n, NvmeRequest *req) +{ + NvmeIdentify *c = (NvmeIdentify *)&req->cmd; + uint16_t min_id = le16_to_cpu(c->ctrlid); + uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; + uint16_t *ids = &list[1]; + NvmeNamespace *ns; + NvmeCtrl *ctrl; + int cntlid, nr_ids = 0; + + trace_pci_nvme_identify_ns_attached_list(min_id); + + if (c->nsid == NVME_NSID_BROADCAST) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + ns = nvme_subsys_ns(n->subsys, c->nsid); + if (!ns) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { + ctrl = nvme_subsys_ctrl(n->subsys, cntlid); + if (!ctrl) { + continue; + } + + if (!nvme_ns_is_attached(ctrl, ns)) { + continue; + } + + ids[nr_ids++] = cntlid; + } + + list[0] = nr_ids; + + return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); +} + static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, bool active) { @@ -3540,6 +3579,8 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) return nvme_identify_ns(n, req, true); case NVME_ID_CNS_NS_PRESENT: return nvme_identify_ns(n, req, false); + case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: + return nvme_identify_ns_attached_list(n, req); case NVME_ID_CNS_CS_NS: return nvme_identify_ns_csi(n, req, true); case NVME_ID_CNS_CS_NS_PRESENT: diff --git a/hw/block/trace-events b/hw/block/trace-events index c5dba93..ef06d2e 100644 --- a/hw/block/trace-events +++ b/hw/block/trace-events @@ -66,6 +66,7 @@ pci_nvme_identify(uint16_t cid, uint8_t cns, uint16_t ctrlid, uint8_t csi) "cid pci_nvme_identify_ctrl(void) "identify controller" pci_nvme_identify_ctrl_csi(uint8_t csi) "identify controller, csi=0x%"PRIx8"" pci_nvme_identify_ns(uint32_t ns) "nsid %"PRIu32"" +pci_nvme_identify_ns_attached_list(uint16_t cntid) "cntid=%"PRIu16"" pci_nvme_identify_ns_csi(uint32_t ns, uint8_t csi) "nsid=%"PRIu32", csi=0x%"PRIx8"" pci_nvme_identify_nslist(uint32_t ns) "nsid %"PRIu32"" pci_nvme_identify_nslist_csi(uint16_t ns, uint8_t csi) "nsid=%"PRIu16", csi=0x%"PRIx8"" diff --git a/include/block/nvme.h b/include/block/nvme.h index 7ee8870..372d0f2 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -971,6 +971,7 @@ enum NvmeIdCns { NVME_ID_CNS_CS_NS_ACTIVE_LIST = 0x07, NVME_ID_CNS_NS_PRESENT_LIST = 0x10, NVME_ID_CNS_NS_PRESENT = 0x11, + NVME_ID_CNS_NS_ATTACHED_CTRL_LIST = 0x12, NVME_ID_CNS_CS_NS_PRESENT_LIST = 0x1a, NVME_ID_CNS_CS_NS_PRESENT = 0x1b, NVME_ID_CNS_IO_COMMAND_SET = 0x1c, |