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: Shannon Nelson Signed-off-by: Abhijit Gangurde --- .../net/ethernet/pensando/ionic/ionic_api.h | 9 ++++++++ .../net/ethernet/pensando/ionic/ionic_aux.c | 22 +++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_api.h b/drivers/net/ethernet/pensando/ionic/ionic_api.h index d75902ca34af..e0b766d1769f 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_api.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_api.h @@ -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_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_aux.c b/drivers/net/ethernet/pensando/ionic/ionic_aux.c index 781218c3feba..6cd4c718836c 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_aux.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_aux.c @@ -93,3 +93,25 @@ 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"); -- 2.43.0