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Diffstat (limited to 'hw/nvme/ctrl.c')
-rw-r--r--hw/nvme/ctrl.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index ff78485113..dc0e7b0030 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -5191,7 +5191,7 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {};
uint32_t nsid = le32_to_cpu(req->cmd.nsid);
uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
- bool attach = !(dw10 & 0xf);
+ uint8_t sel = dw10 & 0xf;
uint16_t *nr_ids = &list[0];
uint16_t *ids = &list[1];
uint16_t ret;
@@ -5224,7 +5224,8 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
return NVME_NS_CTRL_LIST_INVALID | NVME_DNR;
}
- if (attach) {
+ switch (sel) {
+ case NVME_NS_ATTACHMENT_ATTACH:
if (nvme_ns(ctrl, nsid)) {
return NVME_NS_ALREADY_ATTACHED | NVME_DNR;
}
@@ -5235,7 +5236,10 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
nvme_attach_ns(ctrl, ns);
nvme_select_iocs_ns(ctrl, ns);
- } else {
+
+ break;
+
+ case NVME_NS_ATTACHMENT_DETACH:
if (!nvme_ns(ctrl, nsid)) {
return NVME_NS_NOT_ATTACHED | NVME_DNR;
}
@@ -5244,6 +5248,11 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
ns->attached--;
nvme_update_dmrsl(ctrl);
+
+ break;
+
+ default:
+ return NVME_INVALID_FIELD | NVME_DNR;
}
/*