1 files changed, 18 insertions, 0 deletions
diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h
index 6ef458d3bc..b66421cdf9 100644
--- a/hw/nvme/nvme.h
+++ b/hw/nvme/nvme.h
@@ -43,6 +43,7 @@ typedef struct NvmeBus {
 #define TYPE_NVME_SUBSYS "nvme-subsys"
 #define NVME_SUBSYS(obj) \
     OBJECT_CHECK(NvmeSubsystem, (obj), TYPE_NVME_SUBSYS)
+#define SUBSYS_SLOT_RSVD (void *)0xFFFF
 
 typedef struct NvmeSubsystem {
     DeviceState parent_obj;
@@ -68,6 +69,10 @@ static inline NvmeCtrl *nvme_subsys_ctrl(NvmeSubsystem *subsys,
         return NULL;
     }
 
+    if (subsys->ctrls[cntlid] == SUBSYS_SLOT_RSVD) {
+        return NULL;
+    }
+
     return subsys->ctrls[cntlid];
 }
 
@@ -480,6 +485,7 @@ typedef struct NvmeCtrl {
     } features;
 
     NvmePriCtrlCap  pri_ctrl_cap;
+    NvmeSecCtrlList sec_ctrl_list;
 } NvmeCtrl;
 
 static inline NvmeNamespace *nvme_ns(NvmeCtrl *n, uint32_t nsid)
@@ -514,6 +520,18 @@ static inline uint16_t nvme_cid(NvmeRequest *req)
     return le16_to_cpu(req->cqe.cid);
 }
 
+static inline NvmeSecCtrlEntry *nvme_sctrl(NvmeCtrl *n)
+{
+    PCIDevice *pci_dev = &n->parent_obj;
+    NvmeCtrl *pf = NVME(pcie_sriov_get_pf(pci_dev));
+
+    if (pci_is_vf(pci_dev)) {
+        return &pf->sec_ctrl_list.sec[pcie_sriov_vf_number(pci_dev)];
+    }
+
+    return NULL;
+}
+
 void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns);
 uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len,
                           NvmeTxDirection dir, NvmeRequest *req);