hw/nvme: Add support for the Virtualization Management command

With the new command one can:
 - assign flexible resources (queues, interrupts) to primary and
   secondary controllers,
 - toggle the online/offline state of given controller.

Signed-off-by: Łukasz Gieryk <lukasz.gieryk@linux.intel.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h
index 9afa5e1a93..99437d39bb 100644
--- a/hw/nvme/nvme.h
+++ b/hw/nvme/nvme.h
@@ -340,6 +340,7 @@ static inline const char *nvme_adm_opc_str(uint8_t opc)
     case NVME_ADM_CMD_GET_FEATURES:     return "NVME_ADM_CMD_GET_FEATURES";
     case NVME_ADM_CMD_ASYNC_EV_REQ:     return "NVME_ADM_CMD_ASYNC_EV_REQ";
     case NVME_ADM_CMD_NS_ATTACHMENT:    return "NVME_ADM_CMD_NS_ATTACHMENT";
+    case NVME_ADM_CMD_VIRT_MNGMT:       return "NVME_ADM_CMD_VIRT_MNGMT";
     case NVME_ADM_CMD_FORMAT_NVM:       return "NVME_ADM_CMD_FORMAT_NVM";
     default:                            return "NVME_ADM_CMD_UNKNOWN";
     }
@@ -491,6 +492,10 @@ typedef struct NvmeCtrl {
 
     NvmePriCtrlCap  pri_ctrl_cap;
     NvmeSecCtrlList sec_ctrl_list;
+    struct {
+        uint16_t    vqrfap;
+        uint16_t    virfap;
+    } next_pri_ctrl_cap;    /* These override pri_ctrl_cap after reset */
 } NvmeCtrl;
 
 typedef enum NvmeResetType {
@@ -542,6 +547,21 @@ static inline NvmeSecCtrlEntry *nvme_sctrl(NvmeCtrl *n)
     return NULL;
 }
 
+static inline NvmeSecCtrlEntry *nvme_sctrl_for_cntlid(NvmeCtrl *n,
+                                                      uint16_t cntlid)
+{
+    NvmeSecCtrlList *list = &n->sec_ctrl_list;
+    uint8_t i;
+
+    for (i = 0; i < list->numcntl; i++) {
+        if (le16_to_cpu(list->sec[i].scid) == cntlid) {
+            return &list->sec[i];
+        }
+    }
+
+    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);