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hw/nvme: i/o cmd set independent namespace data structure

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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>
This commit is contained in:
Arun Kumar 2024-09-25 06:14:07 +05:30 • committed by Klaus Jensen
parent daaf51001a
commit 79e490058f
5 changed files with 59 additions and 3 deletions
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31
hw/nvme/ctrl.c
View file

@ -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: