liquidio: remove obsolete functions and data structures

1. Remove unused functions and data structures.
2. Change the sending of the remaining soft commands to synchronous.

Signed-off-by: Weilin Chang <weilin.chang@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 files changed, 176 insertions, 490 deletions

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index 27b3655912be..30b4a6066bc9 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -32,38 +32,6 @@
 #define OCTNIC_MAX_SG  MAX_SKB_FRAGS
 
 /**
- * \brief Callback for getting interface configuration
- * @param status status of request
- * @param buf pointer to resp structure
- */
-void lio_if_cfg_callback(struct octeon_device *oct,
-			 u32 status __attribute__((unused)), void *buf)
-{
-	struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
-	struct liquidio_if_cfg_context *ctx;
-	struct liquidio_if_cfg_resp *resp;
-
-	resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
-	ctx = (struct liquidio_if_cfg_context *)sc->ctxptr;
-
-	oct = lio_get_device(ctx->octeon_id);
-	if (resp->status)
-		dev_err(&oct->pci_dev->dev, "nic if cfg instruction failed. Status: %llx\n",
-			CVM_CAST64(resp->status));
-	WRITE_ONCE(ctx->cond, 1);
-
-	snprintf(oct->fw_info.liquidio_firmware_version, 32, "%s",
-		 resp->cfg_info.liquidio_firmware_version);
-
-	/* This barrier is required to be sure that the response has been
-	 * written fully before waking up the handler
-	 */
-	wmb();
-
-	wake_up_interruptible(&ctx->wc);
-}
-
-/**
  * \brief Delete gather lists
  * @param lio per-network private data
  */
@@ -1211,30 +1179,6 @@ int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs)
 	return 0;
 }
 
-static void liquidio_change_mtu_completion(struct octeon_device *oct,
-					   u32 status, void *buf)
-{
-	struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
-	struct liquidio_if_cfg_context *ctx;
-
-	ctx  = (struct liquidio_if_cfg_context *)sc->ctxptr;
-
-	if (status) {
-		dev_err(&oct->pci_dev->dev, "MTU change failed. Status: %llx\n",
-			CVM_CAST64(status));
-		WRITE_ONCE(ctx->cond, LIO_CHANGE_MTU_FAIL);
-	} else {
-		WRITE_ONCE(ctx->cond, LIO_CHANGE_MTU_SUCCESS);
-	}
-
-	/* This barrier is required to be sure that the response has been
-	 * written fully before waking up the handler
-	 */
-	wmb();
-
-	wake_up_interruptible(&ctx->wc);
-}
-
 /**
  * \brief Net device change_mtu
  * @param netdev network device
@@ -1243,22 +1187,17 @@ int liquidio_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct lio *lio = GET_LIO(netdev);
 	struct octeon_device *oct = lio->oct_dev;
-	struct liquidio_if_cfg_context *ctx;
 	struct octeon_soft_command *sc;
 	union octnet_cmd *ncmd;
-	int ctx_size;
 	int ret = 0;
 
-	ctx_size = sizeof(struct liquidio_if_cfg_context);
 	sc = (struct octeon_soft_command *)
-		octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE, 16, ctx_size);
+		octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE, 16, 0);
 
 	ncmd = (union octnet_cmd *)sc->virtdptr;
-	ctx  = (struct liquidio_if_cfg_context *)sc->ctxptr;
 
-	WRITE_ONCE(ctx->cond, 0);
-	ctx->octeon_id = lio_get_device_id(oct);
-	init_waitqueue_head(&ctx->wc);
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	ncmd->u64 = 0;
 	ncmd->s.cmd = OCTNET_CMD_CHANGE_MTU;
@@ -1271,28 +1210,28 @@ int liquidio_change_mtu(struct net_device *netdev, int new_mtu)
 	octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
 				    OPCODE_NIC_CMD, 0, 0, 0);
 
-	sc->callback = liquidio_change_mtu_completion;
-	sc->callback_arg = sc;
-	sc->wait_time = 100;
-
 	ret = octeon_send_soft_command(oct, sc);
 	if (ret == IQ_SEND_FAILED) {
 		netif_info(lio, rx_err, lio->netdev, "Failed to change MTU\n");
+		octeon_free_soft_command(oct, sc);
 		return -EINVAL;
 	}
 	/* Sleep on a wait queue till the cond flag indicates that the
 	 * response arrived or timed-out.
 	 */
-	if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR ||
-	    ctx->cond == LIO_CHANGE_MTU_FAIL) {
-		octeon_free_soft_command(oct, sc);
+	ret = wait_for_sc_completion_timeout(oct, sc, 0);
+	if (ret)
+		return ret;
+
+	if (sc->sc_status) {
+		WRITE_ONCE(sc->caller_is_done, true);
 		return -EINVAL;
 	}
 
 	netdev->mtu = new_mtu;
 	lio->mtu = new_mtu;
 
-	octeon_free_soft_command(oct, sc);
+	WRITE_ONCE(sc->caller_is_done, true);
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index d374c44dfcac..46d8379d8c7c 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -33,25 +33,12 @@
 
 static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs);
 
-struct oct_intrmod_context {
-	int octeon_id;
-	wait_queue_head_t wc;
-	int cond;
-	int status;
-};
-
 struct oct_intrmod_resp {
 	u64     rh;
 	struct oct_intrmod_cfg intrmod;
 	u64     status;
 };
 
-struct oct_mdio_cmd_context {
-	int octeon_id;
-	wait_queue_head_t wc;
-	int cond;
-};
-
 struct oct_mdio_cmd_resp {
 	u64 rh;
 	struct oct_mdio_cmd resp;
@@ -746,28 +733,6 @@ static int octnet_id_active(struct net_device *netdev, int val)
 	return 0;
 }
 
-/* Callback for when mdio command response arrives
- */
-static void octnet_mdio_resp_callback(struct octeon_device *oct,
-				      u32 status,
-				      void *buf)
-{
-	struct oct_mdio_cmd_context *mdio_cmd_ctx;
-	struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
-
-	mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
-
-	oct = lio_get_device(mdio_cmd_ctx->octeon_id);
-	if (status) {
-		dev_err(&oct->pci_dev->dev, "MIDO instruction failed. Status: %llx\n",
-			CVM_CAST64(status));
-		WRITE_ONCE(mdio_cmd_ctx->cond, -1);
-	} else {
-		WRITE_ONCE(mdio_cmd_ctx->cond, 1);
-	}
-	wake_up_interruptible(&mdio_cmd_ctx->wc);
-}
-
 /* This routine provides PHY access routines for
  * mdio  clause45 .
  */
@@ -777,25 +742,20 @@ octnet_mdio45_access(struct lio *lio, int op, int loc, int *value)
 	struct octeon_device *oct_dev = lio->oct_dev;
 	struct octeon_soft_command *sc;
 	struct oct_mdio_cmd_resp *mdio_cmd_rsp;
-	struct oct_mdio_cmd_context *mdio_cmd_ctx;
 	struct oct_mdio_cmd *mdio_cmd;
 	int retval = 0;
 
 	sc = (struct octeon_soft_command *)
 		octeon_alloc_soft_command(oct_dev,
 					  sizeof(struct oct_mdio_cmd),
-					  sizeof(struct oct_mdio_cmd_resp),
-					  sizeof(struct oct_mdio_cmd_context));
+					  sizeof(struct oct_mdio_cmd_resp), 0);
 
 	if (!sc)
 		return -ENOMEM;
 
-	mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
 	mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr;
 	mdio_cmd = (struct oct_mdio_cmd *)sc->virtdptr;
 
-	WRITE_ONCE(mdio_cmd_ctx->cond, 0);
-	mdio_cmd_ctx->octeon_id = lio_get_device_id(oct_dev);
 	mdio_cmd->op = op;
 	mdio_cmd->mdio_addr = loc;
 	if (op)
@@ -807,42 +767,40 @@ octnet_mdio45_access(struct lio *lio, int op, int loc, int *value)
 	octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_MDIO45,
 				    0, 0, 0);
 
-	sc->wait_time = 1000;
-	sc->callback = octnet_mdio_resp_callback;
-	sc->callback_arg = sc;
-
-	init_waitqueue_head(&mdio_cmd_ctx->wc);
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	retval = octeon_send_soft_command(oct_dev, sc);
-
 	if (retval == IQ_SEND_FAILED) {
 		dev_err(&oct_dev->pci_dev->dev,
 			"octnet_mdio45_access instruction failed status: %x\n",
 			retval);
-		retval = -EBUSY;
+		octeon_free_soft_command(oct_dev, sc);
+		return -EBUSY;
 	} else {
 		/* Sleep on a wait queue till the cond flag indicates that the
 		 * response arrived
 		 */
-		sleep_cond(&mdio_cmd_ctx->wc, &mdio_cmd_ctx->cond);
+		retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
+		if (retval)
+			return retval;
+
 		retval = mdio_cmd_rsp->status;
 		if (retval) {
-			dev_err(&oct_dev->pci_dev->dev, "octnet mdio45 access failed\n");
-			retval = -EBUSY;
-		} else {
-			octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
-					    sizeof(struct oct_mdio_cmd) / 8);
-
-			if (READ_ONCE(mdio_cmd_ctx->cond) == 1) {
-				if (!op)
-					*value = mdio_cmd_rsp->resp.value1;
-			} else {
-				retval = -EINVAL;
-			}
+			dev_err(&oct_dev->pci_dev->dev,
+				"octnet mdio45 access failed: %x\n", retval);
+			WRITE_ONCE(sc->caller_is_done, true);
+			return -EBUSY;
 		}
-	}
 
-	octeon_free_soft_command(oct_dev, sc);
+		octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
+				    sizeof(struct oct_mdio_cmd) / 8);
+
+		if (!op)
+			*value = mdio_cmd_rsp->resp.value1;
+
+		WRITE_ONCE(sc->caller_is_done, true);
+	}
 
 	return retval;
 }
@@ -1006,8 +964,7 @@ lio_ethtool_get_ringparam(struct net_device *netdev,
 static int lio_23xx_reconfigure_queue_count(struct lio *lio)
 {
 	struct octeon_device *oct = lio->oct_dev;
-	struct liquidio_if_cfg_context *ctx;
-	u32 resp_size, ctx_size, data_size;
+	u32 resp_size, data_size;
 	struct liquidio_if_cfg_resp *resp;
 	struct octeon_soft_command *sc;
 	union oct_nic_if_cfg if_cfg;
@@ -1017,11 +974,10 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
 	int j;
 
 	resp_size = sizeof(struct liquidio_if_cfg_resp);
-	ctx_size = sizeof(struct liquidio_if_cfg_context);
 	data_size = sizeof(struct lio_version);
 	sc = (struct octeon_soft_command *)
 		octeon_alloc_soft_command(oct, data_size,
-					  resp_size, ctx_size);
+					  resp_size, 0);
 	if (!sc) {
 		dev_err(&oct->pci_dev->dev, "%s: Failed to allocate soft command\n",
 			__func__);
@@ -1029,7 +985,6 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
 	}
 
 	resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
-	ctx  = (struct liquidio_if_cfg_context *)sc->ctxptr;
 	vdata = (struct lio_version *)sc->virtdptr;
 
 	vdata->major = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MAJOR_VERSION);
@@ -1037,9 +992,6 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
 	vdata->micro = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION);
 
 	ifidx_or_pfnum = oct->pf_num;
-	WRITE_ONCE(ctx->cond, 0);
-	ctx->octeon_id = lio_get_device_id(oct);
-	init_waitqueue_head(&ctx->wc);
 
 	if_cfg.u64 = 0;
 	if_cfg.s.num_iqueues = oct->sriov_info.num_pf_rings;
@@ -1051,27 +1003,29 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
 	octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
 				    OPCODE_NIC_QCOUNT_UPDATE, 0,
 				    if_cfg.u64, 0);
-	sc->callback = lio_if_cfg_callback;
-	sc->callback_arg = sc;
-	sc->wait_time = LIO_IFCFG_WAIT_TIME;
+
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	retval = octeon_send_soft_command(oct, sc);
 	if (retval == IQ_SEND_FAILED) {
 		dev_err(&oct->pci_dev->dev,
-			"iq/oq config failed status: %x\n",
+			"Sending iq/oq config failed status: %x\n",
 			retval);
-		goto qcount_update_fail;
+		octeon_free_soft_command(oct, sc);
+		return -EIO;
 	}
 
-	if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
-		dev_err(&oct->pci_dev->dev, "Wait interrupted\n");
-		return -1;
-	}
+	retval = wait_for_sc_completion_timeout(oct, sc, 0);
+	if (retval)
+		return retval;
 
 	retval = resp->status;
 	if (retval) {
-		dev_err(&oct->pci_dev->dev, "iq/oq config failed\n");
-		goto qcount_update_fail;
+		dev_err(&oct->pci_dev->dev,
+			"iq/oq config failed: %x\n", retval);
+		WRITE_ONCE(sc->caller_is_done, true);
+		return -1;
 	}
 
 	octeon_swap_8B_data((u64 *)(&resp->cfg_info),
@@ -1096,16 +1050,12 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
 	lio->txq = lio->linfo.txpciq[0].s.q_no;
 	lio->rxq = lio->linfo.rxpciq[0].s.q_no;
 
-	octeon_free_soft_command(oct, sc);
 	dev_info(&oct->pci_dev->dev, "Queue count updated to %d\n",
 		 lio->linfo.num_rxpciq);
 
-	return 0;
-
-qcount_update_fail:
-	octeon_free_soft_command(oct, sc);
+	WRITE_ONCE(sc->caller_is_done, true);
 
-	return -1;
+	return 0;
 }
 
 static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs)
@@ -2012,34 +1962,11 @@ static int lio_vf_get_sset_count(struct net_device *netdev, int sset)
 	}
 }
 
-/* Callback function for intrmod */
-static void octnet_intrmod_callback(struct octeon_device *oct_dev,
-				    u32 status,
-				    void *ptr)
-{
-	struct octeon_soft_command *sc = (struct octeon_soft_command *)ptr;
-	struct oct_intrmod_context *ctx;
-
-	ctx  = (struct oct_intrmod_context *)sc->ctxptr;
-
-	ctx->status = status;
-
-	WRITE_ONCE(ctx->cond, 1);
-
-	/* This barrier is required to be sure that the response has been
-	 * written fully before waking up the handler
-	 */
-	wmb();
-
-	wake_up_interruptible(&ctx->wc);
-}
-
 /*  get interrupt moderation parameters */
 static int octnet_get_intrmod_cfg(struct lio *lio,
 				  struct oct_intrmod_cfg *intr_cfg)
 {
 	struct octeon_soft_command *sc;
-	struct oct_intrmod_context *ctx;
 	struct oct_intrmod_resp *resp;
 	int retval;
 	struct octeon_device *oct_dev = lio->oct_dev;
@@ -2048,8 +1975,7 @@ static int octnet_get_intrmod_cfg(struct lio *lio,
 	sc = (struct octeon_soft_command *)
 		octeon_alloc_soft_command(oct_dev,
 					  0,
-					  sizeof(struct oct_intrmod_resp),
-					  sizeof(struct oct_intrmod_context));
+					  sizeof(struct oct_intrmod_resp), 0);
 
 	if (!sc)
 		return -ENOMEM;
@@ -2057,20 +1983,13 @@ static int octnet_get_intrmod_cfg(struct lio *lio,
 	resp = (struct oct_intrmod_resp *)sc->virtrptr;
 	memset(resp, 0, sizeof(struct oct_intrmod_resp));
 
-	ctx = (struct oct_intrmod_context *)sc->ctxptr;
-	memset(ctx, 0, sizeof(struct oct_intrmod_context));
-	WRITE_ONCE(ctx->cond, 0);
-	ctx->octeon_id = lio_get_device_id(oct_dev);
-	init_waitqueue_head(&ctx->wc);
-
 	sc->iq_no = lio->linfo.txpciq[0].s.q_no;
 
 	octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
 				    OPCODE_NIC_INTRMOD_PARAMS, 0, 0, 0);
 
-	sc->callback = octnet_intrmod_callback;
-	sc->callback_arg = sc;
-	sc->wait_time = 1000;
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	retval = octeon_send_soft_command(oct_dev, sc);
 	if (retval == IQ_SEND_FAILED) {
@@ -2081,32 +2000,23 @@ static int octnet_get_intrmod_cfg(struct lio *lio,
 	/* Sleep on a wait queue till the cond flag indicates that the
 	 * response arrived or timed-out.
 	 */
-	if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
-		dev_err(&oct_dev->pci_dev->dev, "Wait interrupted\n");
-		goto intrmod_info_wait_intr;
-	}
+	retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
+	if (retval)
+		return -ENODEV;
 
-	retval = ctx->status || resp->status;
-	if (retval) {
+	if (resp->status) {
 		dev_err(&oct_dev->pci_dev->dev,
 			"Get interrupt moderation parameters failed\n");
-		goto intrmod_info_wait_fail;
+		WRITE_ONCE(sc->caller_is_done, true);
+		return -ENODEV;
 	}
 
 	octeon_swap_8B_data((u64 *)&resp->intrmod,
 			    (sizeof(struct oct_intrmod_cfg)) / 8);
 	memcpy(intr_cfg, &resp->intrmod, sizeof(struct oct_intrmod_cfg));
-	octeon_free_soft_command(oct_dev, sc);
+	WRITE_ONCE(sc->caller_is_done, true);
 
 	return 0;
-
-intrmod_info_wait_fail:
-
-	octeon_free_soft_command(oct_dev, sc);
-
-intrmod_info_wait_intr:
-
-	return -ENODEV;
 }
 
 /*  Configure interrupt moderation parameters */
@@ -2114,7 +2024,6 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
 				  struct oct_intrmod_cfg *intr_cfg)
 {
 	struct octeon_soft_command *sc;
-	struct oct_intrmod_context *ctx;
 	struct oct_intrmod_cfg *cfg;
 	int retval;
 	struct octeon_device *oct_dev = lio->oct_dev;
@@ -2123,18 +2032,11 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
 	sc = (struct octeon_soft_command *)
 		octeon_alloc_soft_command(oct_dev,
 					  sizeof(struct oct_intrmod_cfg),
-					  0,
-					  sizeof(struct oct_intrmod_context));
+					  16, 0);
 
 	if (!sc)
 		return -ENOMEM;
 
-	ctx = (struct oct_intrmod_context *)sc->ctxptr;
-
-	WRITE_ONCE(ctx->cond, 0);
-	ctx->octeon_id = lio_get_device_id(oct_dev);
-	init_waitqueue_head(&ctx->wc);
-
 	cfg = (struct oct_intrmod_cfg *)sc->virtdptr;
 
 	memcpy(cfg, intr_cfg, sizeof(struct oct_intrmod_cfg));
@@ -2145,9 +2047,8 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
 	octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
 				    OPCODE_NIC_INTRMOD_CFG, 0, 0, 0);
 
-	sc->callback = octnet_intrmod_callback;
-	sc->callback_arg = sc;
-	sc->wait_time = 1000;
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	retval = octeon_send_soft_command(oct_dev, sc);
 	if (retval == IQ_SEND_FAILED) {
@@ -2158,26 +2059,24 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
 	/* Sleep on a wait queue till the cond flag indicates that the
 	 * response arrived or timed-out.
 	 */
-	if (sleep_cond(&ctx->wc, &ctx->cond) != -EINTR) {
-		retval = ctx->status;
-		if (retval)
-			dev_err(&oct_dev->pci_dev->dev,
-				"intrmod config failed. Status: %llx\n",
-				CVM_CAST64(retval));
-		else
-			dev_info(&oct_dev->pci_dev->dev,
-				 "Rx-Adaptive Interrupt moderation %s\n",
-				 (intr_cfg->rx_enable) ?
-				 "enabled" : "disabled");
-
-		octeon_free_soft_command(oct_dev, sc);
-
-		return ((retval) ? -ENODEV : 0);
+	retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
+	if (retval)
+		return retval;
+
+	retval = sc->sc_status;
+	if (retval == 0) {
+		dev_info(&oct_dev->pci_dev->dev,
+			 "Rx-Adaptive Interrupt moderation %s\n",
+			 (intr_cfg->rx_enable) ?
+			 "enabled" : "disabled");
+		WRITE_ONCE(sc->caller_is_done, true);
+		return 0;
 	}
 
-	dev_err(&oct_dev->pci_dev->dev, "iq/oq config failed\n");
-
-	return -EINTR;
+	dev_err(&oct_dev->pci_dev->dev,
+		"intrmod config failed. Status: %x\n", retval);
+	WRITE_ONCE(sc->caller_is_done, true);
+	return -ENODEV;
 }
 
 static int lio_get_intr_coalesce(struct net_device *netdev,
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 9c5a53d74dd1..ed5fc6ec11ec 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -99,14 +99,6 @@ struct lio_trusted_vf_ctx {
 	int status;
 };
 
-struct liquidio_rx_ctl_context {
-	int octeon_id;
-
-	wait_queue_head_t wc;
-
-	int cond;
-};
-
 struct oct_link_status_resp {
 	u64 rh;
 	struct oct_link_info link_info;
@@ -642,26 +634,6 @@ static inline void update_link_status(struct net_device *netdev,
 }
 
 /**
- * lio_sync_octeon_time_cb - callback that is invoked when soft command
- * sent by lio_sync_octeon_time() has completed successfully or failed
- *
- * @oct - octeon device structure
- * @status - indicates success or failure
- * @buf - pointer to the command that was sent to firmware
- **/
-static void lio_sync_octeon_time_cb(struct octeon_device *oct,
-				    u32 status, void *buf)
-{
-	struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
-
-	if (status)
-		dev_err(&oct->pci_dev->dev,
-			"Failed to sync time to octeon; error=%d\n", status);
-
-	octeon_free_soft_command(oct, sc);
-}
-
-/**
  * lio_sync_octeon_time - send latest localtime to octeon firmware so that
  * firmware will correct it's time, in case there is a time skew
  *
@@ -677,7 +649,7 @@ static void lio_sync_octeon_time(struct work_struct *work)
 	struct lio_time *lt;
 	int ret;
 
-	sc = octeon_alloc_soft_command(oct, sizeof(struct lio_time), 0, 0);
+	sc = octeon_alloc_soft_command(oct, sizeof(struct lio_time), 16, 0);
 	if (!sc) {
 		dev_err(&oct->pci_dev->dev,
 			"Failed to sync time to octeon: soft command allocation failed\n");
@@ -696,15 +668,16 @@ static void lio_sync_octeon_time(struct work_struct *work)
 	octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
 				    OPCODE_NIC_SYNC_OCTEON_TIME, 0, 0, 0);
 
-	sc->callback = lio_sync_octeon_time_cb;
-	sc->callback_arg = sc;
-	sc->wait_time = 1000;
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	ret = octeon_send_soft_command(oct, sc);
 	if (ret == IQ_SEND_FAILED) {
 		dev_err(&oct->pci_dev->dev,
 			"Failed to sync time to octeon: failed to send soft command\n");
 		octeon_free_soft_command(oct, sc);
+	} else {
+		WRITE_ONCE(sc->caller_is_done, true);
 	}
 
 	queue_delayed_work(lio->sync_octeon_time_wq.wq,
@@ -1203,34 +1176,6 @@ static void octeon_destroy_resources(struct octeon_device *oct)
 }
 
 /**
- * \brief Callback for rx ctrl
- * @param status status of request
- * @param buf pointer to resp structure
- */
-static void rx_ctl_callback(struct octeon_device *oct,
-			    u32 status,
-			    void *buf)
-{
-	struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
-	struct liquidio_rx_ctl_context *ctx;
-
-	ctx  = (struct liquidio_rx_ctl_context *)sc->ctxptr;
-
-	oct = lio_get_device(ctx->octeon_id);
-	if (status)
-		dev_err(&oct->pci_dev->dev, "rx ctl instruction failed. Status: %llx\n",
-			CVM_CAST64(status));
-	WRITE_ONCE(ctx->cond, 1);
-
-	/* This barrier is required to be sure that the response has been
-	 * written fully before waking up the handler
-	 */
-	wmb();
-
-	wake_up_interruptible(&ctx->wc);
-}
-
-/**
  * \brief Send Rx control command
  * @param lio per-network private data
  * @param start_stop whether to start or stop
@@ -1238,9 +1183,7 @@ static void rx_ctl_callback(struct octeon_device *oct,
 static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
 {
 	struct octeon_soft_command *sc;
-	struct liquidio_rx_ctl_context *ctx;
 	union octnet_cmd *ncmd;
-	int ctx_size = sizeof(struct liquidio_rx_ctl_context);
 	struct octeon_device *oct = (struct octeon_device *)lio->oct_dev;
 	int retval;
 
@@ -1249,14 +1192,9 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
 
 	sc = (struct octeon_soft_command *)
 		octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
-					  16, ctx_size);
+					  16, 0);
 
 	ncmd = (union octnet_cmd *)sc->virtdptr;
-	ctx  = (struct liquidio_rx_ctl_context *)sc->ctxptr;
-
-	WRITE_ONCE(ctx->cond, 0);
-	ctx->octeon_id = lio_get_device_id(oct);
-	init_waitqueue_head(&ctx->wc);
 
 	ncmd->u64 = 0;
 	ncmd->s.cmd = OCTNET_CMD_RX_CTL;
@@ -1269,23 +1207,25 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
 	octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
 				    OPCODE_NIC_CMD, 0, 0, 0);
 
-	sc->callback = rx_ctl_callback;
-	sc->callback_arg = sc;
-	sc->wait_time = 5000;
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	retval = octeon_send_soft_command(oct, sc);
 	if (retval == IQ_SEND_FAILED) {
 		netif_info(lio, rx_err, lio->netdev, "Failed to send RX Control message\n");
+		octeon_free_soft_command(oct, sc);
+		return;
 	} else {
 		/* Sleep on a wait queue till the cond flag indicates that the
 		 * response arrived or timed-out.
 		 */
-		if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR)
+		retval = wait_for_sc_completion_timeout(oct, sc, 0);
+		if (retval)
 			return;
+
 		oct->props[lio->ifidx].rx_on = start_stop;
+		WRITE_ONCE(sc->caller_is_done, true);
 	}
-
-	octeon_free_soft_command(oct, sc);
 }
 
 /**
@@ -3336,7 +3276,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 	unsigned long micro;
 	u32 cur_ver;
 	struct octeon_soft_command *sc;
-	struct liquidio_if_cfg_context *ctx;
 	struct liquidio_if_cfg_resp *resp;
 	struct octdev_props *props;
 	int retval, num_iqueues, num_oqueues;
@@ -3344,7 +3283,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 	union oct_nic_if_cfg if_cfg;
 	unsigned int base_queue;
 	unsigned int gmx_port_id;
-	u32 resp_size, ctx_size, data_size;
+	u32 resp_size, data_size;
 	u32 ifidx_or_pfnum;
 	struct lio_version *vdata;
 	struct devlink *devlink;
@@ -3369,13 +3308,11 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 
 	for (i = 0; i < octeon_dev->ifcount; i++) {
 		resp_size = sizeof(struct liquidio_if_cfg_resp);
-		ctx_size = sizeof(struct liquidio_if_cfg_context);
 		data_size = sizeof(struct lio_version);
 		sc = (struct octeon_soft_command *)
 			octeon_alloc_soft_command(octeon_dev, data_size,
-						  resp_size, ctx_size);
+						  resp_size, 0);
 		resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
-		ctx  = (struct liquidio_if_cfg_context *)sc->ctxptr;
 		vdata = (struct lio_version *)sc->virtdptr;
 
 		*((u64 *)vdata) = 0;
@@ -3405,9 +3342,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		dev_dbg(&octeon_dev->pci_dev->dev,
 			"requesting config for interface %d, iqs %d, oqs %d\n",
 			ifidx_or_pfnum, num_iqueues, num_oqueues);
-		WRITE_ONCE(ctx->cond, 0);
-		ctx->octeon_id = lio_get_device_id(octeon_dev);
-		init_waitqueue_head(&ctx->wc);
 
 		if_cfg.u64 = 0;
 		if_cfg.s.num_iqueues = num_iqueues;
@@ -3421,9 +3355,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 					    OPCODE_NIC_IF_CFG, 0,
 					    if_cfg.u64, 0);
 
-		sc->callback = lio_if_cfg_callback;
-		sc->callback_arg = sc;
-		sc->wait_time = LIO_IFCFG_WAIT_TIME;
+		init_completion(&sc->complete);
+		sc->sc_status = OCTEON_REQUEST_PENDING;
 
 		retval = octeon_send_soft_command(octeon_dev, sc);
 		if (retval == IQ_SEND_FAILED) {
@@ -3431,22 +3364,26 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 				"iq/oq config failed status: %x\n",
 				retval);
 			/* Soft instr is freed by driver in case of failure. */
-			goto setup_nic_dev_fail;
+			octeon_free_soft_command(octeon_dev, sc);
+			return(-EIO);
 		}
 
 		/* Sleep on a wait queue till the cond flag indicates that the
 		 * response arrived or timed-out.
 		 */
-		if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
-			dev_err(&octeon_dev->pci_dev->dev, "Wait interrupted\n");
-			goto setup_nic_wait_intr;
-		}
+		retval = wait_for_sc_completion_timeout(octeon_dev, sc, 0);
+		if (retval)
+			return retval;
 
 		retval = resp->status;
 		if (retval) {
 			dev_err(&octeon_dev->pci_dev->dev, "iq/oq config failed\n");
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_done;
 		}
+		snprintf(octeon_dev->fw_info.liquidio_firmware_version,
+			 32, "%s",
+			 resp->cfg_info.liquidio_firmware_version);
 
 		/* Verify f/w version (in case of 'auto' loading from flash) */
 		fw_ver = octeon_dev->fw_info.liquidio_firmware_version;
@@ -3456,7 +3393,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 			dev_err(&octeon_dev->pci_dev->dev,
 				"Unmatched firmware version. Expected %s.x, got %s.\n",
 				LIQUIDIO_BASE_VERSION, fw_ver);
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_done;
 		} else if (atomic_read(octeon_dev->adapter_fw_state) ==
 			   FW_IS_PRELOADED) {
 			dev_info(&octeon_dev->pci_dev->dev,
@@ -3483,7 +3421,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 				"Got bad iqueues (%016llx) or oqueues (%016llx) from firmware.\n",
 				resp->cfg_info.iqmask,
 				resp->cfg_info.oqmask);
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_done;
 		}
 
 		if (OCTEON_CN6XXX(octeon_dev)) {
@@ -3502,7 +3441,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 
 		if (!netdev) {
 			dev_err(&octeon_dev->pci_dev->dev, "Device allocation failed\n");
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_done;
 		}
 
 		SET_NETDEV_DEV(netdev, &octeon_dev->pci_dev->dev);
@@ -3517,14 +3457,16 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		if (retval) {
 			dev_err(&octeon_dev->pci_dev->dev,
 				"setting real number rx failed\n");
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_free;
 		}
 
 		retval = netif_set_real_num_tx_queues(netdev, num_iqueues);
 		if (retval) {
 			dev_err(&octeon_dev->pci_dev->dev,
 				"setting real number tx failed\n");
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_free;
 		}
 
 		lio = GET_LIO(netdev);
@@ -3551,6 +3493,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		lio->linfo.gmxport = resp->cfg_info.linfo.gmxport;
 		lio->linfo.link.u64 = resp->cfg_info.linfo.link.u64;
 
+		WRITE_ONCE(sc->caller_is_done, true);
+
 		lio->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
 
 		if (OCTEON_CN23XX_PF(octeon_dev) ||
@@ -3617,7 +3561,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 				dev_err(&octeon_dev->pci_dev->dev,
 					"Error setting VF%d MAC address\n",
 					j);
-				goto setup_nic_dev_fail;
+				goto setup_nic_dev_free;
 			}
 		}
 
@@ -3639,7 +3583,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 					     lio->linfo.num_txpciq,
 					     lio->linfo.num_rxpciq)) {
 			dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n");
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 		}
 
 		ifstate_set(lio, LIO_IFSTATE_DROQ_OPS);
@@ -3650,7 +3594,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		if (lio_setup_glists(octeon_dev, lio, num_iqueues)) {
 			dev_err(&octeon_dev->pci_dev->dev,
 				"Gather list allocation failed\n");
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 		}
 
 		/* Register ethtool support */
@@ -3672,20 +3616,20 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 					     OCTNET_CMD_VERBOSE_ENABLE, 0);
 
 		if (setup_link_status_change_wq(netdev))
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 
 		if ((octeon_dev->fw_info.app_cap_flags &
 		     LIQUIDIO_TIME_SYNC_CAP) &&
 		    setup_sync_octeon_time_wq(netdev))
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 
 		if (setup_rx_oom_poll_fn(netdev))
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 
 		/* Register the network device with the OS */
 		if (register_netdev(netdev)) {
 			dev_err(&octeon_dev->pci_dev->dev, "Device registration failed\n");
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 		}
 
 		dev_dbg(&octeon_dev->pci_dev->dev,
@@ -3708,8 +3652,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		dev_dbg(&octeon_dev->pci_dev->dev,
 			"NIC ifidx:%d Setup successful\n", i);
 
-		octeon_free_soft_command(octeon_dev, sc);
-
 		if (octeon_dev->subsystem_id ==
 			OCTEON_CN2350_25GB_SUBSYS_ID ||
 		    octeon_dev->subsystem_id ==
@@ -3743,7 +3685,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 				sizeof(struct lio_devlink_priv));
 	if (!devlink) {
 		dev_err(&octeon_dev->pci_dev->dev, "devlink alloc failed\n");
-		goto setup_nic_wait_intr;
+		goto setup_nic_dev_free;
 	}
 
 	lio_devlink = devlink_priv(devlink);
@@ -3753,7 +3695,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		devlink_free(devlink);
 		dev_err(&octeon_dev->pci_dev->dev,
 			"devlink registration failed\n");
-		goto setup_nic_wait_intr;
+		goto setup_nic_dev_free;
 	}
 
 	octeon_dev->devlink = devlink;
@@ -3761,17 +3703,16 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 
 	return 0;
 
-setup_nic_dev_fail:
-
-	octeon_free_soft_command(octeon_dev, sc);
-
-setup_nic_wait_intr:
+setup_nic_dev_free:
 
 	while (i--) {
 		dev_err(&octeon_dev->pci_dev->dev,
 			"NIC ifidx:%d Setup failed\n", i);
 		liquidio_destroy_nic_device(octeon_dev, i);
 	}
+
+setup_nic_dev_done:
+
 	return -ENODEV;
 }
 
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
index f6bed6ebb344..9c267b4c774d 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
@@ -40,14 +40,6 @@ MODULE_PARM_DESC(debug, "NETIF_MSG debug bits");
 
 #define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
 
-struct liquidio_rx_ctl_context {
-	int octeon_id;
-
-	wait_queue_head_t wc;
-
-	int cond;
-};
-
 struct oct_timestamp_resp {
 	u64 rh;
 	u64 timestamp;
@@ -598,33 +590,6 @@ static void octeon_destroy_resources(struct octeon_device *oct)
 }
 
 /**
- * \brief Callback for rx ctrl
- * @param status status of request
- * @param buf pointer to resp structure
- */
-static void rx_ctl_callback(struct octeon_device *oct,
-			    u32 status, void *buf)
-{
-	struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
-	struct liquidio_rx_ctl_context *ctx;
-
-	ctx  = (struct liquidio_rx_ctl_context *)sc->ctxptr;
-
-	oct = lio_get_device(ctx->octeon_id);
-	if (status)
-		dev_err(&oct->pci_dev->dev, "rx ctl instruction failed. Status: %llx\n",
-			CVM_CAST64(status));
-	WRITE_ONCE(ctx->cond, 1);
-
-	/* This barrier is required to be sure that the response has been
-	 * written fully before waking up the handler
-	 */
-	wmb();
-
-	wake_up_interruptible(&ctx->wc);
-}
-
-/**
  * \brief Send Rx control command
  * @param lio per-network private data
  * @param start_stop whether to start or stop
@@ -632,8 +597,6 @@ static void rx_ctl_callback(struct octeon_device *oct,
 static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
 {
 	struct octeon_device *oct = (struct octeon_device *)lio->oct_dev;
-	int ctx_size = sizeof(struct liquidio_rx_ctl_context);
-	struct liquidio_rx_ctl_context *ctx;
 	struct octeon_soft_command *sc;
 	union octnet_cmd *ncmd;
 	int retval;
@@ -643,14 +606,9 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
 
 	sc = (struct octeon_soft_command *)
 		octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
-					  16, ctx_size);
+					  16, 0);
 
 	ncmd = (union octnet_cmd *)sc->virtdptr;
-	ctx  = (struct liquidio_rx_ctl_context *)sc->ctxptr;
-
-	WRITE_ONCE(ctx->cond, 0);
-	ctx->octeon_id = lio_get_device_id(oct);
-	init_waitqueue_head(&ctx->wc);
 
 	ncmd->u64 = 0;
 	ncmd->s.cmd = OCTNET_CMD_RX_CTL;
@@ -663,23 +621,24 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
 	octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
 				    OPCODE_NIC_CMD, 0, 0, 0);
 
-	sc->callback = rx_ctl_callback;
-	sc->callback_arg = sc;
-	sc->wait_time = 5000;
+	init_completion(&sc->complete);
+	sc->sc_status = OCTEON_REQUEST_PENDING;
 
 	retval = octeon_send_soft_command(oct, sc);
 	if (retval == IQ_SEND_FAILED) {
 		netif_info(lio, rx_err, lio->netdev, "Failed to send RX Control message\n");
+		octeon_free_soft_command(oct, sc);
 	} else {
 		/* Sleep on a wait queue till the cond flag indicates that the
 		 * response arrived or timed-out.
 		 */
-		if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR)
+		retval = wait_for_sc_completion_timeout(oct, sc, 0);
+		if (retval)
 			return;
+
 		oct->props[lio->ifidx].rx_on = start_stop;
+		WRITE_ONCE(sc->caller_is_done, true);
 	}
-
-	octeon_free_soft_command(oct, sc);
 }
 
 /**
@@ -1938,8 +1897,7 @@ nic_info_err:
 static int setup_nic_devices(struct octeon_device *octeon_dev)
 {
 	int retval, num_iqueues, num_oqueues;
-	struct liquidio_if_cfg_context *ctx;
-	u32 resp_size, ctx_size, data_size;
+	u32 resp_size, data_size;
 	struct liquidio_if_cfg_resp *resp;
 	struct octeon_soft_command *sc;
 	union oct_nic_if_cfg if_cfg;
@@ -1970,13 +1928,11 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 
 	for (i = 0; i < octeon_dev->ifcount; i++) {
 		resp_size = sizeof(struct liquidio_if_cfg_resp);
-		ctx_size = sizeof(struct liquidio_if_cfg_context);
 		data_size = sizeof(struct lio_version);
 		sc = (struct octeon_soft_command *)
 			octeon_alloc_soft_command(octeon_dev, data_size,
-						  resp_size, ctx_size);
+						  resp_size, 0);
 		resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
-		ctx  = (struct liquidio_if_cfg_context *)sc->ctxptr;
 		vdata = (struct lio_version *)sc->virtdptr;
 
 		*((u64 *)vdata) = 0;
@@ -1984,10 +1940,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		vdata->minor = cpu_to_be16(LIQUIDIO_BASE_MINOR_VERSION);
 		vdata->micro = cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION);
 
-		WRITE_ONCE(ctx->cond, 0);
-		ctx->octeon_id = lio_get_device_id(octeon_dev);
-		init_waitqueue_head(&ctx->wc);
-
 		if_cfg.u64 = 0;
 
 		if_cfg.s.num_iqueues = octeon_dev->sriov_info.rings_per_vf;
@@ -2000,32 +1952,37 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 					    OPCODE_NIC_IF_CFG, 0, if_cfg.u64,
 					    0);
 
-		sc->callback = lio_if_cfg_callback;
-		sc->callback_arg = sc;
-		sc->wait_time = 5000;
+		init_completion(&sc->complete);
+		sc->sc_status = OCTEON_REQUEST_PENDING;
 
 		retval = octeon_send_soft_command(octeon_dev, sc);
 		if (retval == IQ_SEND_FAILED) {
 			dev_err(&octeon_dev->pci_dev->dev,
 				"iq/oq config failed status: %x\n", retval);
 			/* Soft instr is freed by driver in case of failure. */
-			goto setup_nic_dev_fail;
+			octeon_free_soft_command(octeon_dev, sc);
+			return(-EIO);
 		}
 
 		/* Sleep on a wait queue till the cond flag indicates that the
 		 * response arrived or timed-out.
 		 */
-		if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
-			dev_err(&octeon_dev->pci_dev->dev, "Wait interrupted\n");
-			goto setup_nic_wait_intr;
-		}
+		retval = wait_for_sc_completion_timeout(octeon_dev, sc, 0);
+		if (retval)
+			return retval;
 
 		retval = resp->status;
 		if (retval) {
-			dev_err(&octeon_dev->pci_dev->dev, "iq/oq config failed\n");
-			goto setup_nic_dev_fail;
+			dev_err(&octeon_dev->pci_dev->dev,
+				"iq/oq config failed, retval = %d\n", retval);
+			WRITE_ONCE(sc->caller_is_done, true);
+			return -EIO;
 		}
 
+		snprintf(octeon_dev->fw_info.liquidio_firmware_version,
+			 32, "%s",
+			 resp->cfg_info.liquidio_firmware_version);
+
 		octeon_swap_8B_data((u64 *)(&resp->cfg_info),
 				    (sizeof(struct liquidio_if_cfg_info)) >> 3);
 
@@ -2036,7 +1993,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 			dev_err(&octeon_dev->pci_dev->dev,
 				"Got bad iqueues (%016llx) or oqueues (%016llx) from firmware.\n",
 				resp->cfg_info.iqmask, resp->cfg_info.oqmask);
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_done;
 		}
 		dev_dbg(&octeon_dev->pci_dev->dev,
 			"interface %d, iqmask %016llx, oqmask %016llx, numiqueues %d, numoqueues %d\n",
@@ -2047,7 +2005,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 
 		if (!netdev) {
 			dev_err(&octeon_dev->pci_dev->dev, "Device allocation failed\n");
-			goto setup_nic_dev_fail;
+			WRITE_ONCE(sc->caller_is_done, true);
+			goto setup_nic_dev_done;
 		}
 
 		SET_NETDEV_DEV(netdev, &octeon_dev->pci_dev->dev);
@@ -2123,6 +2082,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		netdev->min_mtu = LIO_MIN_MTU_SIZE;
 		netdev->max_mtu = LIO_MAX_MTU_SIZE;
 
+		WRITE_ONCE(sc->caller_is_done, true);
+
 		/* Point to the  properties for octeon device to which this
 		 * interface belongs.
 		 */
@@ -2146,7 +2107,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 					     lio->linfo.num_txpciq,
 					     lio->linfo.num_rxpciq)) {
 			dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n");
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 		}
 
 		ifstate_set(lio, LIO_IFSTATE_DROQ_OPS);
@@ -2169,7 +2130,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		if (lio_setup_glists(octeon_dev, lio, num_iqueues)) {
 			dev_err(&octeon_dev->pci_dev->dev,
 				"Gather list allocation failed\n");
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 		}
 
 		/* Register ethtool support */
@@ -2184,15 +2145,15 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 					     OCTNIC_LROIPV4 | OCTNIC_LROIPV6);
 
 		if (setup_link_status_change_wq(netdev))
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 
 		if (setup_rx_oom_poll_fn(netdev))
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 
 		/* Register the network device with the OS */
 		if (register_netdev(netdev)) {
 			dev_err(&octeon_dev->pci_dev->dev, "Device registration failed\n");
-			goto setup_nic_dev_fail;
+			goto setup_nic_dev_free;
 		}
 
 		dev_dbg(&octeon_dev->pci_dev->dev,
@@ -2215,24 +2176,21 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
 		dev_dbg(&octeon_dev->pci_dev->dev,
 			"NIC ifidx:%d Setup successful\n", i);
 
-		octeon_free_soft_command(octeon_dev, sc);
-
 		octeon_dev->no_speed_setting = 1;
 	}
 
 	return 0;
 
-setup_nic_dev_fail:
-
-	octeon_free_soft_command(octeon_dev, sc);
-
-setup_nic_wait_intr:
+setup_nic_dev_free:
 
 	while (i--) {
 		dev_err(&octeon_dev->pci_dev->dev,
 			"NIC ifidx:%d Setup failed\n", i);
 		liquidio_destroy_nic_device(octeon_dev, i);
 	}
+
+setup_nic_dev_done:
+
 	return -ENODEV;
 }
 
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c
index dfd4d1030238..a9306164dbcd 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c
@@ -386,7 +386,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
 	}
 
 	sc = (struct octeon_soft_command *)
-		octeon_alloc_soft_command(oct, 0, 0, 0);
+		octeon_alloc_soft_command(oct, 0, 16, 0);
 	if (!sc) {
 		dev_err(&oct->pci_dev->dev, "VF rep: Soft command alloc failed\n");
 		goto xmit_failed;
@@ -395,6 +395,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
 	/* Multiple buffers are not used for vf_rep packets. */
 	if (skb_shinfo(skb)->nr_frags != 0) {
 		dev_err(&oct->pci_dev->dev, "VF rep: nr_frags != 0. Dropping packet\n");
+		octeon_free_soft_command(oct, sc);
 		goto xmit_failed;
 	}
 
@@ -402,6 +403,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
 				     skb->data, skb->len, DMA_TO_DEVICE);
 	if (dma_mapping_error(&oct->pci_dev->dev, sc->dmadptr)) {
 		dev_err(&oct->pci_dev->dev, "VF rep: DMA mapping failed\n");
+		octeon_free_soft_command(oct, sc);
 		goto xmit_failed;
 	}
 
@@ -422,6 +424,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
 	if (status == IQ_SEND_FAILED) {
 		dma_unmap_single(&oct->pci_dev->dev, sc->dmadptr,
 				 sc->datasize, DMA_TO_DEVICE);
+		octeon_free_soft_command(oct, sc);
 		goto xmit_failed;
 	}
 
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_config.h b/drivers/net/ethernet/cavium/liquidio/octeon_config.h
index 056dceb2a558..24c212001212 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_config.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_config.h
@@ -438,6 +438,7 @@ struct octeon_config {
 #define  MAX_BAR1_IOREMAP_SIZE  (16 * OCTEON_BAR1_ENTRY_SIZE)
 
 /* Response lists - 1 ordered, 1 unordered-blocking, 1 unordered-nonblocking
+ *                  1 process done list, 1 zombie lists(timeouted sc list)
  * NoResponse Lists are now maintained with each IQ. (Dec' 2007).
  */
 #define MAX_RESPONSE_LISTS           6
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h
index 3437d7f6acad..a04f36a0e1a0 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h
@@ -292,10 +292,7 @@ struct octeon_soft_command {
 	u32  ctxsize;
 
 	/** Time out and callback */
-	size_t wait_time;
-	size_t timeout;
 	size_t expiry_time;
-
 	u32 iq_no;
 	void (*callback)(struct octeon_device *, u32, void *);
 	void *callback_arg;
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_main.h b/drivers/net/ethernet/cavium/liquidio/octeon_main.h
index de2a2290d5de..38c055f3c213 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_main.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_main.h
@@ -146,48 +146,6 @@ err_release_region:
 	return 1;
 }
 
-static inline int
-sleep_cond(wait_queue_head_t *wait_queue, int *condition)
-{
-	int errno = 0;
-	wait_queue_entry_t we;
-
-	init_waitqueue_entry(&we, current);
-	add_wait_queue(wait_queue, &we);
-	while (!(READ_ONCE(*condition))) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		if (signal_pending(current)) {
-			errno = -EINTR;
-			goto out;
-		}
-		schedule();
-	}
-out:
-	set_current_state(TASK_RUNNING);
-	remove_wait_queue(wait_queue, &we);
-	return errno;
-}
-
-/* Gives up the CPU for a timeout period.
- * Check that the condition is not true before we go to sleep for a
- * timeout period.
- */
-static inline void
-sleep_timeout_cond(wait_queue_head_t *wait_queue,
-		   int *condition,
-		   int timeout)
-{
-	wait_queue_entry_t we;
-
-	init_waitqueue_entry(&we, current);
-	add_wait_queue(wait_queue, &we);
-	set_current_state(TASK_INTERRUPTIBLE);
-	if (!(*condition))
-		schedule_timeout(timeout);
-	set_current_state(TASK_RUNNING);
-	remove_wait_queue(wait_queue, &we);
-}
-
 /* input parameter:
  * sc: pointer to a soft request
  * timeout: milli sec which an application wants to wait for the
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h
index a62826a4e980..807266ef8f3a 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h
@@ -35,12 +35,6 @@
 #define   LIO_IFSTATE_RX_TIMESTAMP_ENABLED 0x08
 #define   LIO_IFSTATE_RESETTING		   0x10
 
-struct liquidio_if_cfg_context {
-	u32 octeon_id;
-	wait_queue_head_t wc;
-	int cond;
-};
-
 struct liquidio_if_cfg_resp {
 	u64 rh;
 	struct liquidio_if_cfg_info cfg_info;
@@ -228,10 +222,6 @@ int lio_wait_for_clean_oq(struct octeon_device *oct);
  */
 void liquidio_set_ethtool_ops(struct net_device *netdev);
 
-void lio_if_cfg_callback(struct octeon_device *oct,
-			 u32 status __attribute__((unused)),
-			 void *buf);
-
 void lio_delete_glists(struct lio *lio);
 
 int lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_qs);