types: Add IO command set specific field on nsmgmt

nvme_ns_mgmt_host_sw_specified_zns from TP4115 ZNS Namespace Management Enhancements 2022.03.15 Ratified

Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Steven Seungcheol Lee <sc108.lee@samsung.com>

diff --git a/src/nvme/types.h b/src/nvme/types.h
index 8d78cc4071580ab1d4745270db6d17c67db2a05c..4dfa35de8e7676abc489cea8bb7c5158e237e54a 100644 (file)
--- a/src/nvme/types.h
+++ b/src/nvme/types.h
@@ -7682,6 +7682,22 @@ enum nvme_io_mgmt_send_mo {
  *        Handles included in the Placement Handle List
  * @rsvd394:  Reserved
  * @rsvd499:  Reserved for I/O Command Sets that extend this specification.
+ * @zns:      rsvd499( Zoned Namespace Command Set specific field )
+ * @znsco:    Zoned Namespace Create Options
+ *           Bits 7-1: Reserved.
+ *           Bits 0: Allocate ZRWA Resources (AZR): If set to ‘1’, then the
+ *           namespace is to be created with the number of ZRWA resource specified
+ *           in the RNUMZRWA field of this data structure. If cleared to ‘0’, then
+ *           no ZRWA resources are allocated to the namespace to be created. If
+ *           the ZRWASUP bit is cleared to ‘0’, then this field shall be ignored
+ *           by the controller.
+ * @rar:      Requested Active Resources specifies the number of active
+ *           resources to be allocated to the created namespace.
+ * @ror:      Requested Open Resources specifies the number of open resources
+ *           to be allocated to the created namespace.
+ * @rnumzrwa: Requested Number of ZRWA Resources specifies the number of ZRWA
+ *           resources to be allocated to the created namespace.
+ *        see &struct nvme_ns_mgmt_host_sw_specified_zns.
  * @phndl:    Placement Handle Associated RUH : This field specifies the Reclaim
  *        Unit Handle Identifier to be associated with the Placement Handle
  *        value. If the Flexible Data Placement capability is not supported or
@@ -7706,7 +7722,15 @@ struct nvme_ns_mgmt_host_sw_specified {
        __le64                  lbstm;
        __le16                  nphndls;
        __u8                    rsvd394[105];
-       __u8                    rsvd499[13];
+       union {
+               __u8            rsvd499[13];
+               struct {
+                       __u8    znsco;
+                       __le32  rar;
+                       __le32  ror;
+                       __le32  rnumzrwa;
+               } __attribute__((packed)) zns;
+       };
        __le16                  phndl[128];
        __u8                    rsvd768[3328];
 };