From: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Date: Fri, 5 Nov 2021 16:35:24 +0000 (+0100)
Subject: types: add identify endurance group list (cns 0x19) support
X-Git-Tag: v1.0-rc0~54^2~4
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b35d13046bd65e104cd5b41a7fd00a0718fc489c;p=users%2Fsagi%2Flibnvme.git

types: add identify endurance group list (cns 0x19) support

Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
[dwagner: ported from nvme-cli-monolithic]
Signed-off-by: Daniel Wagner <dwagner@suse.de>
---

diff --git a/src/libnvme.map b/src/libnvme.map
index 82304c83..aeed21c0 100644
--- a/src/libnvme.map
+++ b/src/libnvme.map
@@ -143,6 +143,7 @@
 		nvme_identify_ctrl;
 		nvme_identify_ctrl_list;
 		nvme_identify_domain_list;
+		nvme_identify_endurance_group_list;
 		nvme_identify_independent_identify_ns;
 		nvme_identify_iocs;
 		nvme_identify_ns;
diff --git a/src/nvme/ioctl.c b/src/nvme/ioctl.c
index d5d8207d..d1060ded 100644
--- a/src/nvme/ioctl.c
+++ b/src/nvme/ioctl.c
@@ -531,6 +531,16 @@ int nvme_identify_domain_list(int fd, __u16 domid,
 			     domid, NVME_UUID_NONE, NVME_CSI_NVM, list);
 }
 
+int nvme_identify_endurance_group_list(int fd, __u16 endgrp_id,
+				struct nvme_id_endurance_group_list *list)
+{
+	BUILD_ASSERT(sizeof(struct nvme_id_endurance_group_list) == 4096);
+	return nvme_identify(fd, NVME_IDENTIFY_CNS_ENDURANCE_GROUP_ID,
+			     NVME_NSID_NONE, NVME_CNTLID_NONE,
+			     NVME_NVMSETID_NONE, endgrp_id, NVME_UUID_NONE,
+			     NVME_CSI_NVM, list);
+}
+
 int nvme_identify_independent_identify_ns(int fd, __u32 nsid,
 					  struct nvme_id_independent_id_ns *ns)
 {
diff --git a/src/nvme/ioctl.h b/src/nvme/ioctl.h
index 82c1ea0d..0a0e3046 100644
--- a/src/nvme/ioctl.h
+++ b/src/nvme/ioctl.h
@@ -724,6 +724,18 @@ int nvme_nvm_identify_ctrl(int fd, struct nvme_id_ctrl_nvm *id);
 int nvme_identify_domain_list(int fd, __u16 domid,
 			      struct nvme_id_domain_list *list);
 
+/**
+ * nvme_identifiy_endurance_group_list() -
+ * @fd:		File descriptor of nvme device
+ * @endgrp_id:	Endurance group identifier
+ * @list:	Array of endurance group identifiers
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_identify_endurance_group_list(int fd, __u16 endgrp_id,
+				struct nvme_id_endurance_group_list *list);
+
 /**
  * nvme_identify_iocs() -
  * @fd:		File descriptor of nvme device
diff --git a/src/nvme/types.h b/src/nvme/types.h
index bdbcb7b9..f020bab0 100644
--- a/src/nvme/types.h
+++ b/src/nvme/types.h
@@ -98,6 +98,7 @@ enum nvme_constants {
 	NVME_ID_NS_LIST_MAX			= 1024,
 	NVME_ID_SECONDARY_CTRL_MAX		= 127,
 	NVME_ID_DOMAIN_LIST_MAX			= 31,
+	NVME_ID_ENDURANCE_GROUP_LIST_MAX	= 2047,
 	NVME_ID_ND_DESCRIPTOR_MAX		= 16,
 	NVME_FEAT_LBA_RANGE_MAX			= 64,
 	NVME_LOG_ST_MAX_RESULTS			= 20,
@@ -2210,6 +2211,16 @@ struct nvme_id_domain_list {
 	struct nvme_id_domain_attr domain_attr[NVME_ID_DOMAIN_LIST_MAX];
 };
 
+/**
+ * struct nvme_id_endurance_group_list -
+ * @num:
+ * @identifier:
+ */
+struct nvme_id_endurance_group_list {
+	__le16	num;
+	__le16	identifier[NVME_ID_ENDURANCE_GROUP_LIST_MAX];
+};
+
 /**
  * struct nvme_supported_log_pages -
  * @lid_support:
@@ -5066,6 +5077,7 @@ enum nvme_admin_opcode {
  * @NVME_IDENTIFY_CNS_NS_GRANULARITY:
  * @NVME_IDENTIFY_CNS_UUID_LIST:
  * @NVME_IDENTIFY_CNS_DOMAIN_LIST:
+ * @NVME_IDENTIFY_CNS_ENDURANCE_GROUP_ID:
  * @NVME_IDENTIFY_CNS_CSI_ALLOCATED_NS_LIST:
  * @NVME_IDENTIFY_CNS_COMMAND_SET_STRUCTURE: Base Specification 2.0a section 5.17.2.21
  */
@@ -5088,6 +5100,7 @@ enum nvme_identify_cns {
 	NVME_IDENTIFY_CNS_NS_GRANULARITY			= 0x16,
 	NVME_IDENTIFY_CNS_UUID_LIST				= 0x17,
 	NVME_IDENTIFY_CNS_DOMAIN_LIST				= 0x18,
+	NVME_IDENTIFY_CNS_ENDURANCE_GROUP_ID			= 0x19,
 	NVME_IDENTIFY_CNS_CSS_ALLOCATED_NS_LIST			= 0x1A,
 	NVME_IDENTIFY_CNS_COMMAND_SET_STRUCTURE			= 0x1C,
 };