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| author | Arun Kumar <arun.kka@samsung.com> | 2024-09-25 06:14:07 +0530 |
|---|---|---|
| committer | Klaus Jensen <k.jensen@samsung.com> | 2024-11-04 19:09:45 +0100 |
| commit | 79e490058feccb234b49fb4557b4d4b5e7a9b813 (patch) | |
| tree | c2aa2325e183862b11f2e743c25cb2a8e0612b4f /hw/nvme/ctrl.c | |
| parent | daaf51001a13da007d7dde72e1ed3b06bc490791 (diff) | |
| download | focaccia-qemu-79e490058feccb234b49fb4557b4d4b5e7a9b813.tar.gz focaccia-qemu-79e490058feccb234b49fb4557b4d4b5e7a9b813.zip | |
hw/nvme: i/o cmd set independent namespace data structure
Add support for the I/O Command Set Independent Namespace Data Structure (CNS 8h and 1fh). Signed-off-by: Arun Kumar <arun.kka@samsung.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Link: https://lore.kernel.org/r/20240925004407.3521406-1-arun.kka@samsung.com Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Diffstat (limited to 'hw/nvme/ctrl.c')
| -rw-r--r-- | hw/nvme/ctrl.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index f4e89203c1..8e4612e035 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -5692,6 +5692,33 @@ static uint16_t nvme_identify_sec_ctrl_list(NvmeCtrl *n, NvmeRequest *req) return nvme_c2h(n, (uint8_t *)&list, sizeof(list), req); } +static uint16_t nvme_identify_ns_ind(NvmeCtrl *n, NvmeRequest *req, bool alloc) +{ + NvmeNamespace *ns; + NvmeIdentify *c = (NvmeIdentify *)&req->cmd; + uint32_t nsid = le32_to_cpu(c->nsid); + + trace_pci_nvme_identify_ns_ind(nsid); + + if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { + return NVME_INVALID_NSID | NVME_DNR; + } + + ns = nvme_ns(n, nsid); + if (unlikely(!ns)) { + if (alloc) { + ns = nvme_subsys_ns(n->subsys, nsid); + if (!ns) { + return nvme_rpt_empty_id_struct(n, req); + } + } else { + return nvme_rpt_empty_id_struct(n, req); + } + } + + return nvme_c2h(n, (uint8_t *)&ns->id_ns_ind, sizeof(NvmeIdNsInd), req); +} + static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, bool active) { @@ -5946,6 +5973,10 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) return nvme_identify_sec_ctrl_list(n, req); case NVME_ID_CNS_CS_NS: return nvme_identify_ns_csi(n, req, true); + case NVME_ID_CNS_CS_IND_NS: + return nvme_identify_ns_ind(n, req, false); + case NVME_ID_CNS_CS_IND_NS_ALLOCATED: + return nvme_identify_ns_ind(n, req, true); case NVME_ID_CNS_CS_NS_PRESENT: return nvme_identify_ns_csi(n, req, false); case NVME_ID_CNS_CTRL: |