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-rw-r--r--hw/nvme/ctrl.c7
-rw-r--r--hw/nvme/ns.c4
-rw-r--r--hw/nvme/nvme.h3
-rw-r--r--hw/nvme/subsys.c9
4 files changed, 14 insertions, 9 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 518d02dc66..d6b77d4fbc 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -7755,7 +7755,11 @@ static int nvme_start_ctrl(NvmeCtrl *n)
     for (int i = 1; i <= NVME_MAX_NAMESPACES; i++) {
         NvmeNamespace *ns = nvme_subsys_ns(n->subsys, i);
 
-        if (ns && nvme_csi_supported(n, ns->csi) && !ns->params.detached) {
+        if (!ns || (!ns->params.shared && ns->ctrl != n)) {
+            continue;
+        }
+
+        if (nvme_csi_supported(n, ns->csi) && !ns->params.detached) {
             if (!ns->attached || ns->params.shared) {
                 nvme_attach_ns(n, ns);
             }
@@ -8988,6 +8992,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp)
     if (n->namespace.blkconf.blk) {
         ns = &n->namespace;
         ns->params.nsid = 1;
+        ns->ctrl = n;
 
         if (nvme_ns_setup(ns, errp)) {
             return;
diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c
index 98c1e75a5d..4ab8ba74f5 100644
--- a/hw/nvme/ns.c
+++ b/hw/nvme/ns.c
@@ -763,6 +763,10 @@ static void nvme_ns_realize(DeviceState *dev, Error **errp)
 
     ns->id_ns.endgid = cpu_to_le16(0x1);
     ns->id_ns_ind.endgrpid = cpu_to_le16(0x1);
+
+    if (!ns->params.shared) {
+        ns->ctrl = n;
+    }
 }
 
 static const Property nvme_ns_props[] = {
diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h
index 6f782ba188..b5c9378ea4 100644
--- a/hw/nvme/nvme.h
+++ b/hw/nvme/nvme.h
@@ -268,6 +268,9 @@ typedef struct NvmeNamespace {
     NvmeSubsystem *subsys;
     NvmeEnduranceGroup *endgrp;
 
+    /* NULL for shared namespaces; set to specific controller if private */
+    NvmeCtrl *ctrl;
+
     struct {
         uint32_t err_rec;
     } features;
diff --git a/hw/nvme/subsys.c b/hw/nvme/subsys.c
index 2ae56f12a5..b617ac3892 100644
--- a/hw/nvme/subsys.c
+++ b/hw/nvme/subsys.c
@@ -56,7 +56,7 @@ int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp)
 {
     NvmeSubsystem *subsys = n->subsys;
     NvmeSecCtrlEntry *sctrl = nvme_sctrl(n);
-    int cntlid, nsid, num_rsvd, num_vfs = n->params.sriov_max_vfs;
+    int cntlid, num_rsvd, num_vfs = n->params.sriov_max_vfs;
 
     if (pci_is_vf(&n->parent_obj)) {
         cntlid = le16_to_cpu(sctrl->scid);
@@ -92,13 +92,6 @@ int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp)
 
     subsys->ctrls[cntlid] = n;
 
-    for (nsid = 1; nsid < ARRAY_SIZE(subsys->namespaces); nsid++) {
-        NvmeNamespace *ns = subsys->namespaces[nsid];
-        if (ns && ns->params.shared && !ns->params.detached) {
-            nvme_attach_ns(n, ns);
-        }
-    }
-
     return cntlid;
 }