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[v5,01/18] nvme: Move opcode string helper functions declarations

Message ID 20241214060655.166325-2-dlemoal@kernel.org (mailing list archive)
State Superseded
Delegated to: Krzysztof Wilczyński
Headers show
Series NVMe PCI endpoint target driver | expand

Commit Message

Damien Le Moal Dec. 14, 2024, 6:06 a.m. UTC 
Move the declaration of all helper functions converting NVMe command
opcodes and status codes into strings from drivers/nvme/host/nvme.h
into include/linux/nvme.h, together with the commands definitions.
This allows NVMe target drivers to call these functions without having
to include a host header file.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Rick Wertenbroek <rick.wertenbroek@gmail.com>
---
 drivers/nvme/host/nvme.h | 39 ---------------------------------------
 include/linux/nvme.h     | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 39 deletions(-)
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Patch

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 611b02c8a8b3..2c76afd00390 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -1182,43 +1182,4 @@  static inline bool nvme_multi_css(struct nvme_ctrl *ctrl)
 	return (ctrl->ctrl_config & NVME_CC_CSS_MASK) == NVME_CC_CSS_CSI;
 }
 
-#ifdef CONFIG_NVME_VERBOSE_ERRORS
-const char *nvme_get_error_status_str(u16 status);
-const char *nvme_get_opcode_str(u8 opcode);
-const char *nvme_get_admin_opcode_str(u8 opcode);
-const char *nvme_get_fabrics_opcode_str(u8 opcode);
-#else /* CONFIG_NVME_VERBOSE_ERRORS */
-static inline const char *nvme_get_error_status_str(u16 status)
-{
-	return "I/O Error";
-}
-static inline const char *nvme_get_opcode_str(u8 opcode)
-{
-	return "I/O Cmd";
-}
-static inline const char *nvme_get_admin_opcode_str(u8 opcode)
-{
-	return "Admin Cmd";
-}
-
-static inline const char *nvme_get_fabrics_opcode_str(u8 opcode)
-{
-	return "Fabrics Cmd";
-}
-#endif /* CONFIG_NVME_VERBOSE_ERRORS */
-
-static inline const char *nvme_opcode_str(int qid, u8 opcode)
-{
-	return qid ? nvme_get_opcode_str(opcode) :
-		nvme_get_admin_opcode_str(opcode);
-}
-
-static inline const char *nvme_fabrics_opcode_str(
-		int qid, const struct nvme_command *cmd)
-{
-	if (nvme_is_fabrics(cmd))
-		return nvme_get_fabrics_opcode_str(cmd->fabrics.fctype);
-
-	return nvme_opcode_str(qid, cmd->common.opcode);
-}
 #endif /* _NVME_H */
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 13377dde4527..a5a4ee56efcf 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -1896,6 +1896,46 @@  static inline bool nvme_is_fabrics(const struct nvme_command *cmd)
 	return cmd->common.opcode == nvme_fabrics_command;
 }
 
+#ifdef CONFIG_NVME_VERBOSE_ERRORS
+const char *nvme_get_error_status_str(u16 status);
+const char *nvme_get_opcode_str(u8 opcode);
+const char *nvme_get_admin_opcode_str(u8 opcode);
+const char *nvme_get_fabrics_opcode_str(u8 opcode);
+#else /* CONFIG_NVME_VERBOSE_ERRORS */
+static inline const char *nvme_get_error_status_str(u16 status)
+{
+	return "I/O Error";
+}
+static inline const char *nvme_get_opcode_str(u8 opcode)
+{
+	return "I/O Cmd";
+}
+static inline const char *nvme_get_admin_opcode_str(u8 opcode)
+{
+	return "Admin Cmd";
+}
+
+static inline const char *nvme_get_fabrics_opcode_str(u8 opcode)
+{
+	return "Fabrics Cmd";
+}
+#endif /* CONFIG_NVME_VERBOSE_ERRORS */
+
+static inline const char *nvme_opcode_str(int qid, u8 opcode)
+{
+	return qid ? nvme_get_opcode_str(opcode) :
+		nvme_get_admin_opcode_str(opcode);
+}
+
+static inline const char *nvme_fabrics_opcode_str(
+		int qid, const struct nvme_command *cmd)
+{
+	if (nvme_is_fabrics(cmd))
+		return nvme_get_fabrics_opcode_str(cmd->fabrics.fctype);
+
+	return nvme_opcode_str(qid, cmd->common.opcode);
+}
+
 struct nvme_error_slot {
 	__le64		error_count;
 	__le16		sqid;