net: ionic: Export the APIs from net driver to support device commands

RDMA driver needs to establish admin queues to support admin operations.
Export the APIs to send device commands for the RDMA driver.

Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://patch.msgid.link/20250903061606.4139957-4-abhijit.gangurde@amd.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h
index 04f00ea94230a2a188de398abbfa6fc8304c9f98..85198e6a806e6e6f0fe76b1af3b8466c11be368e 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic.h
@@ -65,16 +65,9 @@ struct ionic {
        int watchdog_period;
 };
 
-struct ionic_admin_ctx {
-       struct completion work;
-       union ionic_adminq_cmd cmd;
-       union ionic_adminq_comp comp;
-};
-
 int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
 int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
                      const int err, const bool do_msg);
-int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
 int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
 void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
                                   u8 status, int err);

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_api.h b/drivers/net/ethernet/pensando/ionic/ionic_api.h
index f9fcd1b67b354e1a09ebd6722ba7d34c640f80bc..d75902ca34af3bfd0da3589b3ba9bb8a819d8493 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_api.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_api.h
@@ -5,6 +5,8 @@
 #define _IONIC_API_H_
 
 #include <linux/auxiliary_bus.h>
+#include "ionic_if.h"
+#include "ionic_regs.h"
 
 /**
  * struct ionic_aux_dev - Auxiliary device information
@@ -18,4 +20,38 @@ struct ionic_aux_dev {
        struct auxiliary_device adev;
 };
 
+/**
+ * struct ionic_admin_ctx - Admin command context
+ * @work:       Work completion wait queue element
+ * @cmd:        Admin command (64B) to be copied to the queue
+ * @comp:       Admin completion (16B) copied from the queue
+ */
+struct ionic_admin_ctx {
+       struct completion work;
+       union ionic_adminq_cmd cmd;
+       union ionic_adminq_comp comp;
+};
+
+/**
+ * ionic_adminq_post_wait - Post an admin command and wait for response
+ * @lif:        Logical interface
+ * @ctx:        API admin command context
+ *
+ * Post the command to an admin queue in the ethernet driver.  If this command
+ * succeeds, then the command has been posted, but that does not indicate a
+ * completion.  If this command returns success, then the completion callback
+ * will eventually be called.
+ *
+ * Return: zero or negative error status
+ */
+int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
+
+/**
+ * ionic_error_to_errno - Transform ionic_if errors to os errno
+ * @code:       Ionic error number
+ *
+ * Return:      Negative OS error number or zero
+ */
+int ionic_error_to_errno(enum ionic_status_code code);
+
 #endif /* _IONIC_API_H_ */

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index c8c710cfe70cc4444c23bfb13664c7e3fcbcb052..bc26eb8f5779cf84e1e1e18215c39ddb9c552767 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -12,6 +12,7 @@
 
 #include "ionic_if.h"
 #include "ionic_regs.h"
+#include "ionic_api.h"
 
 #define IONIC_MAX_TX_DESC              8192
 #define IONIC_MAX_RX_DESC              16384

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
index 0e60a6bef99a3e79bf4351a3e58a187d95cb2893..14dc055be3e93d034a30aecd10acfffe210eba17 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
@@ -72,7 +72,7 @@ static const char *ionic_error_to_str(enum ionic_status_code code)
        }
 }
 
-static int ionic_error_to_errno(enum ionic_status_code code)
+int ionic_error_to_errno(enum ionic_status_code code)
 {
        switch (code) {
        case IONIC_RC_SUCCESS:
@@ -114,6 +114,7 @@ static int ionic_error_to_errno(enum ionic_status_code code)
                return -EIO;
        }
 }
+EXPORT_SYMBOL_NS(ionic_error_to_errno, "NET_IONIC");
 
 static const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode)
 {
@@ -480,6 +481,7 @@ int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
 {
        return __ionic_adminq_post_wait(lif, ctx, true);
 }
+EXPORT_SYMBOL_NS(ionic_adminq_post_wait, "NET_IONIC");
 
 int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
 {