qlcnic: Change CDRP function

Argument list to CDRP function has become unmanageably long. Fix it by properly
declaring a struct that encompasses all the input and output parameters.

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 185 insertions, 222 deletions

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 04c70153833f..2fd1ba8fee4a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -36,8 +36,8 @@
 
 #define _QLCNIC_LINUX_MAJOR 5
 #define _QLCNIC_LINUX_MINOR 0
-#define _QLCNIC_LINUX_SUBVERSION 23
-#define QLCNIC_LINUX_VERSIONID  "5.0.23"
+#define _QLCNIC_LINUX_SUBVERSION 24
+#define QLCNIC_LINUX_VERSIONID  "5.0.24"
 #define QLCNIC_DRV_IDC_VER  0x01
 #define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
 		 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))
@@ -583,6 +583,7 @@ struct qlcnic_recv_context {
 #define QLCNIC_CDRP_CMD_DESTROY_RX_CTX          0x00000008
 #define QLCNIC_CDRP_CMD_CREATE_TX_CTX           0x00000009
 #define QLCNIC_CDRP_CMD_DESTROY_TX_CTX          0x0000000a
+#define QLCNIC_CDRP_CMD_INTRPT_TEST		0x00000011
 #define QLCNIC_CDRP_CMD_SET_MTU                 0x00000012
 #define QLCNIC_CDRP_CMD_READ_PHY		0x00000013
 #define QLCNIC_CDRP_CMD_WRITE_PHY		0x00000014
@@ -1358,6 +1359,18 @@ struct qlcnic_dump_operations {
 			struct qlcnic_dump_entry *, u32 *);
 };
 
+struct _cdrp_cmd {
+	u32 cmd;
+	u32 arg1;
+	u32 arg2;
+	u32 arg3;
+};
+
+struct qlcnic_cmd_args {
+	struct _cdrp_cmd req;
+	struct _cdrp_cmd rsp;
+};
+
 int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter);
 int qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config);
 
@@ -1470,9 +1483,7 @@ int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[]);
 
 /* Functions from qlcnic_main.c */
 int qlcnic_reset_context(struct qlcnic_adapter *);
-u32 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
-	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd,
-		u32 *rd_args[3]);
+void qlcnic_issue_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *);
 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings);
 int qlcnic_diag_alloc_res(struct net_device *netdev, int test);
 netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
index e0c85a5e91d0..569a837d2ac4 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
@@ -26,50 +26,54 @@ qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
 	return rsp;
 }
 
-u32
-qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
-	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd,
-		u32 *rd_args[3])
+void
+qlcnic_issue_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd)
 {
 	u32 rsp;
 	u32 signature;
-	u32 rcode = QLCNIC_RCODE_SUCCESS;
 	struct pci_dev *pdev = adapter->pdev;
+	struct qlcnic_hardware_context *ahw = adapter->ahw;
 
-	signature = QLCNIC_CDRP_SIGNATURE_MAKE(pci_fn, version);
+	signature = QLCNIC_CDRP_SIGNATURE_MAKE(ahw->pci_func,
+		adapter->fw_hal_version);
 
 	/* Acquire semaphore before accessing CRB */
-	if (qlcnic_api_lock(adapter))
-		return QLCNIC_RCODE_TIMEOUT;
+	if (qlcnic_api_lock(adapter)) {
+		cmd->rsp.cmd = QLCNIC_RCODE_TIMEOUT;
+		return;
+	}
 
 	QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
-	QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, arg1);
-	QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, arg2);
-	QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, arg3);
-	QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, QLCNIC_CDRP_FORM_CMD(cmd));
+	QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, cmd->req.arg1);
+	QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, cmd->req.arg2);
+	QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, cmd->req.arg3);
+	QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
+		QLCNIC_CDRP_FORM_CMD(cmd->req.cmd));
 
 	rsp = qlcnic_poll_rsp(adapter);
 
 	if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 		dev_err(&pdev->dev, "card response timeout.\n");
-		rcode = QLCNIC_RCODE_TIMEOUT;
+		cmd->rsp.cmd = QLCNIC_RCODE_TIMEOUT;
 	} else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
-		rcode = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
+		cmd->rsp.cmd = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 		dev_err(&pdev->dev, "failed card response code:0x%x\n",
-				rcode);
+				cmd->rsp.cmd);
 	} else if (rsp == QLCNIC_CDRP_RSP_OK) {
-		if (rd_args[1])
-			*rd_args[1] = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
-		if (rd_args[2])
-			*rd_args[2] = QLCRD32(adapter, QLCNIC_ARG3_CRB_OFFSET);
+		cmd->rsp.cmd = QLCNIC_RCODE_SUCCESS;
+		if (cmd->rsp.arg2)
+			cmd->rsp.arg2 = QLCRD32(adapter,
+				QLCNIC_ARG2_CRB_OFFSET);
+		if (cmd->rsp.arg3)
+			cmd->rsp.arg3 = QLCRD32(adapter,
+				QLCNIC_ARG3_CRB_OFFSET);
 	}
-	if (rd_args[0])
-		*rd_args[0] = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
+	if (cmd->rsp.arg1)
+		cmd->rsp.arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 
 	/* Release semaphore */
 	qlcnic_api_unlock(adapter);
 
-	return rcode;
 }
 
 static uint32_t qlcnic_temp_checksum(uint32_t *temp_buffer, u16 temp_size)
@@ -88,30 +92,25 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 	int err, i;
 	u16 temp_size;
 	void *tmp_addr;
-	u32 version, csum, *template, *tmp_buf, rsp;
-	u32 *rd_args[3];
+	u32 version, csum, *template, *tmp_buf;
+	struct qlcnic_cmd_args cmd;
 	struct qlcnic_hardware_context *ahw;
 	struct qlcnic_dump_template_hdr *tmpl_hdr, *tmp_tmpl;
 	dma_addr_t tmp_addr_t = 0;
 
 	ahw = adapter->ahw;
-	rd_args[0] = &rsp;
-	rd_args[1] = (u32 *) &temp_size;
-	rd_args[2] = &version;
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			0,
-			0,
-			0,
-			QLCNIC_CDRP_CMD_TEMP_SIZE,
-			rd_args);
-	if (err != QLCNIC_RCODE_SUCCESS) {
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_TEMP_SIZE;
+	memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
+	qlcnic_issue_cmd(adapter, &cmd);
+	if (cmd.rsp.cmd != QLCNIC_RCODE_SUCCESS) {
 		dev_info(&adapter->pdev->dev,
-			"Can't get template size %d\n", rsp);
+			"Can't get template size %d\n", cmd.rsp.cmd);
 		err = -EIO;
 		return err;
 	}
+	temp_size = cmd.rsp.arg2;
+	version = cmd.rsp.arg3;
 	if (!temp_size)
 		return -EIO;
 
@@ -122,16 +121,14 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 			"Can't get memory for FW dump template\n");
 		return -ENOMEM;
 	}
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-		adapter->ahw->pci_func,
-		adapter->fw_hal_version,
-		LSD(tmp_addr_t),
-		MSD(tmp_addr_t),
-		temp_size,
-		QLCNIC_CDRP_CMD_GET_TEMP_HDR,
-		rd_args);
-
+	memset(&cmd.rsp, 0, sizeof(struct _cdrp_cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_GET_TEMP_HDR;
+	cmd.req.arg1 = LSD(tmp_addr_t);
+	cmd.req.arg2 = MSD(tmp_addr_t);
+	cmd.req.arg3 = temp_size;
+	qlcnic_issue_cmd(adapter, &cmd);
+
+	err = cmd.rsp.cmd;
 	if (err != QLCNIC_RCODE_SUCCESS) {
 		dev_err(&adapter->pdev->dev,
 			"Failed to get mini dump template header %d\n", err);
@@ -167,20 +164,17 @@ error:
 int
 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 {
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 
-	memset(rd_args, 0, sizeof(rd_args));
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_SET_MTU;
+	cmd.req.arg1 = recv_ctx->context_id;
+	cmd.req.arg2 = mtu;
+	cmd.req.arg3 = 0;
 	if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
-		if (qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			recv_ctx->context_id,
-			mtu,
-			0,
-			QLCNIC_CDRP_CMD_SET_MTU,
-			rd_args)) {
-
+		qlcnic_issue_cmd(adapter, &cmd);
+		if (cmd.rsp.cmd) {
 			dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 			return -EIO;
 		}
@@ -201,6 +195,7 @@ qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 	struct qlcnic_cardrsp_sds_ring *prsp_sds;
 	struct qlcnic_host_rds_ring *rds_ring;
 	struct qlcnic_host_sds_ring *sds_ring;
+	struct qlcnic_cmd_args cmd;
 
 	dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 	u64 phys_addr;
@@ -208,7 +203,6 @@ qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 	u8 i, nrds_rings, nsds_rings;
 	size_t rq_size, rsp_size;
 	u32 cap, reg, val, reg2;
-	u32 *rd_args[3];
 	int err;
 
 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
@@ -290,15 +284,13 @@ qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 	}
 
 	phys_addr = hostrq_phys_addr;
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			(u32)(phys_addr >> 32),
-			(u32)(phys_addr & 0xffffffff),
-			rq_size,
-			QLCNIC_CDRP_CMD_CREATE_RX_CTX,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.arg1 = (u32) (phys_addr >> 32);
+	cmd.req.arg2 = (u32) (phys_addr & 0xffffffff);
+	cmd.req.arg3 = rq_size;
+	cmd.req.cmd = QLCNIC_CDRP_CMD_CREATE_RX_CTX;
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 	if (err) {
 		dev_err(&adapter->pdev->dev,
 			"Failed to create rx ctx in firmware%d\n", err);
@@ -344,22 +336,18 @@ out_free_rq:
 static void
 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 {
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 
-	memset(rd_args, 0, sizeof(rd_args));
-	if (qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			recv_ctx->context_id,
-			QLCNIC_DESTROY_CTX_RESET,
-			0,
-			QLCNIC_CDRP_CMD_DESTROY_RX_CTX,
-			rd_args)) {
-
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.arg1 = recv_ctx->context_id;
+	cmd.req.arg2 = QLCNIC_DESTROY_CTX_RESET;
+	cmd.req.arg3 = 0;
+	cmd.req.cmd = QLCNIC_CDRP_CMD_DESTROY_RX_CTX;
+	qlcnic_issue_cmd(adapter, &cmd);
+	if (cmd.rsp.cmd)
 		dev_err(&adapter->pdev->dev,
 			"Failed to destroy rx ctx in firmware\n");
-	}
 
 	recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 }
@@ -373,7 +361,7 @@ qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 	void	*rq_addr, *rsp_addr;
 	size_t	rq_size, rsp_size;
 	u32	temp;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	int	err;
 	u64	phys_addr;
 	dma_addr_t	rq_phys_addr, rsp_phys_addr;
@@ -423,15 +411,13 @@ qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 	prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 
 	phys_addr = rq_phys_addr;
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			(u32)(phys_addr >> 32),
-			((u32)phys_addr & 0xffffffff),
-			rq_size,
-			QLCNIC_CDRP_CMD_CREATE_TX_CTX,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.arg1 = (u32)(phys_addr >> 32);
+	cmd.req.arg2 = ((u32)phys_addr & 0xffffffff);
+	cmd.req.arg3 = rq_size;
+	cmd.req.cmd = QLCNIC_CDRP_CMD_CREATE_TX_CTX;
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 
 	if (err == QLCNIC_RCODE_SUCCESS) {
 		temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
@@ -457,37 +443,30 @@ out_free_rq:
 static void
 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
 {
-	u32 *rd_args[3];
-
-	memset(rd_args, 0, sizeof(rd_args));
-	if (qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			adapter->tx_context_id,
-			QLCNIC_DESTROY_CTX_RESET,
-			0,
-			QLCNIC_CDRP_CMD_DESTROY_TX_CTX,
-			rd_args)) {
-
+	struct qlcnic_cmd_args cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.arg1 = adapter->tx_context_id;
+	cmd.req.arg2 = QLCNIC_DESTROY_CTX_RESET;
+	cmd.req.arg3 = 0;
+	cmd.req.cmd = QLCNIC_CDRP_CMD_DESTROY_TX_CTX;
+	qlcnic_issue_cmd(adapter, &cmd);
+	if (cmd.rsp.cmd)
 		dev_err(&adapter->pdev->dev,
 			"Failed to destroy tx ctx in firmware\n");
-	}
 }
 
 int
 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 {
-	u32 *rd_args[3];
-
-	memset(rd_args, 0, sizeof(rd_args));
-	return qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			config,
-			0,
-			0,
-			QLCNIC_CDRP_CMD_CONFIG_PORT,
-			rd_args);
+	struct qlcnic_cmd_args cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.arg1 = config;
+	cmd.req.cmd = QLCNIC_CDRP_CMD_CONFIG_PORT;
+	qlcnic_issue_cmd(adapter, &cmd);
+
+	return cmd.rsp.cmd;
 }
 
 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
@@ -652,24 +631,17 @@ void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 {
 	int err;
-	u32 arg1, rd_arg1, rd_arg2;
-	u32 *rd_args[3];
-
-	arg1 = adapter->ahw->pci_func | BIT_8;
-	rd_args[0] = &rd_arg1;
-	rd_args[1] = &rd_arg2;
-	rd_args[2] = 0;
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			arg1,
-			0,
-			0,
-			QLCNIC_CDRP_CMD_MAC_ADDRESS,
-			rd_args);
+	struct qlcnic_cmd_args cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.arg1 = adapter->ahw->pci_func | BIT_8;
+	cmd.req.cmd = QLCNIC_CDRP_CMD_MAC_ADDRESS;
+	cmd.rsp.arg1 = cmd.rsp.arg2 = 1;
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 
 	if (err == QLCNIC_RCODE_SUCCESS)
-		qlcnic_fetch_mac(adapter, rd_arg1, rd_arg2, 0, mac);
+		qlcnic_fetch_mac(adapter, cmd.rsp.arg1, cmd.rsp.arg2, 0, mac);
 	else {
 		dev_err(&adapter->pdev->dev,
 			"Failed to get mac address%d\n", err);
@@ -687,7 +659,7 @@ int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
 	dma_addr_t nic_dma_t;
 	struct qlcnic_info *nic_info;
 	void *nic_info_addr;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	size_t	nic_size = sizeof(struct qlcnic_info);
 
 	nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
@@ -697,15 +669,13 @@ int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
 	memset(nic_info_addr, 0, nic_size);
 
 	nic_info = nic_info_addr;
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			MSD(nic_dma_t),
-			LSD(nic_dma_t),
-			(func_id << 16 | nic_size),
-			QLCNIC_CDRP_CMD_GET_NIC_INFO,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_GET_NIC_INFO;
+	cmd.req.arg1 = MSD(nic_dma_t);
+	cmd.req.arg2 = LSD(nic_dma_t);
+	cmd.req.arg3 = (func_id << 16 | nic_size);
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 
 	if (err == QLCNIC_RCODE_SUCCESS) {
 		npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
@@ -744,7 +714,7 @@ int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 	int err = -EIO;
 	dma_addr_t nic_dma_t;
 	void *nic_info_addr;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	struct qlcnic_info *nic_info;
 	size_t nic_size = sizeof(struct qlcnic_info);
 
@@ -770,15 +740,13 @@ int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 	nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 	nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			MSD(nic_dma_t),
-			LSD(nic_dma_t),
-			((nic->pci_func << 16) | nic_size),
-			QLCNIC_CDRP_CMD_SET_NIC_INFO,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_SET_NIC_INFO;
+	cmd.req.arg1 = MSD(nic_dma_t);
+	cmd.req.arg2 = LSD(nic_dma_t);
+	cmd.req.arg3 = ((nic->pci_func << 16) | nic_size);
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 
 	if (err != QLCNIC_RCODE_SUCCESS) {
 		dev_err(&adapter->pdev->dev,
@@ -796,7 +764,7 @@ int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
 				struct qlcnic_pci_info *pci_info)
 {
 	int err = 0, i;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	dma_addr_t pci_info_dma_t;
 	struct qlcnic_pci_info *npar;
 	void *pci_info_addr;
@@ -810,15 +778,13 @@ int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
 	memset(pci_info_addr, 0, pci_size);
 
 	npar = pci_info_addr;
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			MSD(pci_info_dma_t),
-			LSD(pci_info_dma_t),
-			pci_size,
-			QLCNIC_CDRP_CMD_GET_PCI_INFO,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_GET_PCI_INFO;
+	cmd.req.arg1 = MSD(pci_info_dma_t);
+	cmd.req.arg2 = LSD(pci_info_dma_t);
+	cmd.req.arg3 = pci_size;
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 
 	if (err == QLCNIC_RCODE_SUCCESS) {
 		for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
@@ -850,7 +816,7 @@ int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 {
 	int err = -EIO;
 	u32 arg1;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 
 	if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
 		!(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
@@ -859,15 +825,11 @@ int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 	arg1 = id | (enable_mirroring ? BIT_4 : 0);
 	arg1 |= pci_func << 8;
 
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			arg1,
-			0,
-			0,
-			QLCNIC_CDRP_CMD_SET_PORTMIRRORING,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_SET_PORTMIRRORING;
+	cmd.req.arg1 = arg1;
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 
 	if (err != QLCNIC_RCODE_SUCCESS) {
 		dev_err(&adapter->pdev->dev,
@@ -890,7 +852,7 @@ int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 	dma_addr_t stats_dma_t;
 	void *stats_addr;
 	u32 arg1;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	int err;
 
 	if (esw_stats == NULL)
@@ -914,15 +876,13 @@ int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 	arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 	arg1 |= rx_tx << 15 | stats_size << 16;
 
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			arg1,
-			MSD(stats_dma_t),
-			LSD(stats_dma_t),
-			QLCNIC_CDRP_CMD_GET_ESWITCH_STATS,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_STATS;
+	cmd.req.arg1 = arg1;
+	cmd.req.arg2 = MSD(stats_dma_t);
+	cmd.req.arg3 = LSD(stats_dma_t);
+	qlcnic_issue_cmd(adapter, &cmd);
+	err = cmd.rsp.cmd;
 
 	if (!err) {
 		stats = stats_addr;
@@ -1003,7 +963,7 @@ int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
 {
 
 	u32 arg1;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 
 	if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 		return -EIO;
@@ -1024,15 +984,11 @@ int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
 	arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
 	arg1 |= BIT_14 | rx_tx << 15;
 
-	memset(rd_args, 0, sizeof(rd_args));
-	return qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			arg1,
-			0,
-			0,
-			QLCNIC_CDRP_CMD_GET_ESWITCH_STATS,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_STATS;
+	cmd.req.arg1 = arg1;
+	qlcnic_issue_cmd(adapter, &cmd);
+	return cmd.rsp.cmd;
 
 err_ret:
 	dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d"
@@ -1045,20 +1001,17 @@ __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
 					u32 *arg1, u32 *arg2)
 {
 	int err = -EIO;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	u8 pci_func;
 	pci_func = (*arg1 >> 8);
-	rd_args[0] = arg1;
-	rd_args[1] = arg2;
-	rd_args[2] = 0;
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			*arg1,
-			0,
-			0,
-			QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG,
-			rd_args);
+
+	cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG;
+	cmd.req.arg1 = *arg1;
+	cmd.rsp.arg1 = cmd.rsp.arg2 = 1;
+	qlcnic_issue_cmd(adapter, &cmd);
+	*arg1 = cmd.rsp.arg1;
+	*arg2 = cmd.rsp.arg2;
+	err = cmd.rsp.cmd;
 
 	if (err == QLCNIC_RCODE_SUCCESS) {
 		dev_info(&adapter->pdev->dev,
@@ -1082,7 +1035,7 @@ int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
 {
 	int err = -EIO;
 	u32 arg1, arg2 = 0;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 	u8 pci_func;
 
 	if (adapter->op_mode != QLCNIC_MGMT_FUNC)
@@ -1129,16 +1082,13 @@ int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
 		return err;
 	}
 
-	memset(rd_args, 0, sizeof(rd_args));
-	err = qlcnic_issue_cmd(adapter,
-			adapter->ahw->pci_func,
-			adapter->fw_hal_version,
-			arg1,
-			arg2,
-			0,
-			QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH,
-			rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH;
+	cmd.req.arg1 = arg1;
+	cmd.req.arg2 = arg2;
+	qlcnic_issue_cmd(adapter, &cmd);
 
+	err = cmd.rsp.cmd;
 	if (err != QLCNIC_RCODE_SUCCESS) {
 		dev_err(&adapter->pdev->dev,
 			"Failed to configure eswitch pci func %d\n", pci_func);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
index b127f809421b..11f4df75e84c 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
@@ -659,7 +659,7 @@ static int qlcnic_irq_test(struct net_device *netdev)
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 	int max_sds_rings = adapter->max_sds_rings;
 	int ret;
-	u32 *rd_args[3];
+	struct qlcnic_cmd_args cmd;
 
 	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 		return -EIO;
@@ -669,10 +669,12 @@ static int qlcnic_irq_test(struct net_device *netdev)
 		goto clear_it;
 
 	adapter->diag_cnt = 0;
-	memset(rd_args, 0, sizeof(rd_args));
-	ret = qlcnic_issue_cmd(adapter, adapter->ahw->pci_func,
-			adapter->fw_hal_version, adapter->ahw->pci_func,
-			0, 0, 0x00000011, rd_args);
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = QLCNIC_CDRP_CMD_INTRPT_TEST;
+	cmd.req.arg1 = adapter->ahw->pci_func;
+	qlcnic_issue_cmd(adapter, &cmd);
+	ret = cmd.rsp.cmd;
+
 	if (ret)
 		goto done;