Commit 0e02faff authored by Abhijit Gangurde's avatar Abhijit Gangurde Committed by Leon Romanovsky
Browse files

net: ionic: Provide RDMA reset support for the RDMA driver 



The Ethernet driver holds the privilege to execute the device commands.
Export the function to execute RDMA reset command for use by RDMA driver.

Reviewed-by: default avatarShannon Nelson <shannon.nelson@amd.com>
Signed-off-by: default avatarAbhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://patch.msgid.link/20250903061606.4139957-5-abhijit.gangurde@amd.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 089bbf48

drivers/net/ethernet/pensando/ionic/ionic_api.h

+9 −0
Original line number Diff line number Diff line
@@ -54,4 +54,13 @@ int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx); 
 */

int ionic_error_to_errno(enum ionic_status_code code);



/**

 * ionic_request_rdma_reset - request reset or disable the device or lif

 * @lif:        Logical interface

 *

 * The reset is triggered asynchronously. It will wait until reset request

 * completes or times out.

 */

void ionic_request_rdma_reset(struct ionic_lif *lif);



#endif /* _IONIC_API_H_ */

drivers/net/ethernet/pensando/ionic/ionic_aux.c

+22 −0
Original line number Diff line number Diff line
@@ -78,3 +78,25 @@ void ionic_auxbus_unregister(struct ionic_lif *lif) 
out:

	mutex_unlock(&lif->adev_lock);

}



void ionic_request_rdma_reset(struct ionic_lif *lif)

{

	struct ionic *ionic = lif->ionic;

	int err;



	union ionic_dev_cmd cmd = {

		.cmd.opcode = IONIC_CMD_RDMA_RESET_LIF,

		.cmd.lif_index = cpu_to_le16(lif->index),

	};



	mutex_lock(&ionic->dev_cmd_lock);



	ionic_dev_cmd_go(&ionic->idev, &cmd);

	err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);



	mutex_unlock(&ionic->dev_cmd_lock);



	if (err)

		pr_warn("%s request_reset: error %d\n", __func__, err);

}

EXPORT_SYMBOL_NS(ionic_request_rdma_reset, "NET_IONIC");