be_mgmt.c 50.0 KB
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/**
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 * Copyright (C) 2005 - 2015 Emulex
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 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.  The full GNU General
 * Public License is included in this distribution in the file called COPYING.
 *
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 * Written by: Jayamohan Kallickal (jayamohan.kallickal@avagotech.com)
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 *
 * Contact Information:
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 * linux-drivers@avagotech.com
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 *
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 * Emulex
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 * 3333 Susan Street
 * Costa Mesa, CA 92626
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 */

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#include <linux/bsg-lib.h>
#include <scsi/scsi_transport_iscsi.h>
#include <scsi/scsi_bsg_iscsi.h>
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#include "be_mgmt.h"
#include "be_iscsi.h"
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#include "be_main.h"

/* UE Status Low CSR */
static const char * const desc_ue_status_low[] = {
	"CEV",
	"CTX",
	"DBUF",
	"ERX",
	"Host",
	"MPU",
	"NDMA",
	"PTC ",
	"RDMA ",
	"RXF ",
	"RXIPS ",
	"RXULP0 ",
	"RXULP1 ",
	"RXULP2 ",
	"TIM ",
	"TPOST ",
	"TPRE ",
	"TXIPS ",
	"TXULP0 ",
	"TXULP1 ",
	"UC ",
	"WDMA ",
	"TXULP2 ",
	"HOST1 ",
	"P0_OB_LINK ",
	"P1_OB_LINK ",
	"HOST_GPIO ",
	"MBOX ",
	"AXGMAC0",
	"AXGMAC1",
	"JTAG",
	"MPU_INTPEND"
};

/* UE Status High CSR */
static const char * const desc_ue_status_hi[] = {
	"LPCMEMHOST",
	"MGMT_MAC",
	"PCS0ONLINE",
	"MPU_IRAM",
	"PCS1ONLINE",
	"PCTL0",
	"PCTL1",
	"PMEM",
	"RR",
	"TXPB",
	"RXPP",
	"XAUI",
	"TXP",
	"ARM",
	"IPC",
	"HOST2",
	"HOST3",
	"HOST4",
	"HOST5",
	"HOST6",
	"HOST7",
	"HOST8",
	"HOST9",
	"NETC",
	"Unknown",
	"Unknown",
	"Unknown",
	"Unknown",
	"Unknown",
	"Unknown",
	"Unknown",
	"Unknown"
};

/*
 * beiscsi_ue_detec()- Detect Unrecoverable Error on adapter
 * @phba: Driver priv structure
 *
 * Read registers linked to UE and check for the UE status
 **/
void beiscsi_ue_detect(struct beiscsi_hba *phba)
{
	uint32_t ue_hi = 0, ue_lo = 0;
	uint32_t ue_mask_hi = 0, ue_mask_lo = 0;
	uint8_t i = 0;

	if (phba->ue_detected)
		return;

	pci_read_config_dword(phba->pcidev,
			      PCICFG_UE_STATUS_LOW, &ue_lo);
	pci_read_config_dword(phba->pcidev,
			      PCICFG_UE_STATUS_MASK_LOW,
			      &ue_mask_lo);
	pci_read_config_dword(phba->pcidev,
			      PCICFG_UE_STATUS_HIGH,
			      &ue_hi);
	pci_read_config_dword(phba->pcidev,
			      PCICFG_UE_STATUS_MASK_HI,
			      &ue_mask_hi);

	ue_lo = (ue_lo & ~ue_mask_lo);
	ue_hi = (ue_hi & ~ue_mask_hi);


	if (ue_lo || ue_hi) {
		phba->ue_detected = true;
		beiscsi_log(phba, KERN_ERR,
			    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
			    "BG_%d : Error detected on the adapter\n");
	}

	if (ue_lo) {
		for (i = 0; ue_lo; ue_lo >>= 1, i++) {
			if (ue_lo & 1)
				beiscsi_log(phba, KERN_ERR,
					    BEISCSI_LOG_CONFIG,
					    "BG_%d : UE_LOW %s bit set\n",
					    desc_ue_status_low[i]);
		}
	}

	if (ue_hi) {
		for (i = 0; ue_hi; ue_hi >>= 1, i++) {
			if (ue_hi & 1)
				beiscsi_log(phba, KERN_ERR,
					    BEISCSI_LOG_CONFIG,
					    "BG_%d : UE_HIGH %s bit set\n",
					    desc_ue_status_hi[i]);
		}
	}
}
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int be_cmd_modify_eq_delay(struct beiscsi_hba *phba,
		 struct be_set_eqd *set_eqd, int num)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	struct be_cmd_req_modify_eq_delay *req;
	unsigned int tag = 0;
	int i;

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	mutex_lock(&ctrl->mbox_lock);
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	tag = alloc_mcc_tag(phba);
	if (!tag) {
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		mutex_unlock(&ctrl->mbox_lock);
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		return tag;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);

	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
		OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));

	req->num_eq = cpu_to_le32(num);
	for (i = 0; i < num; i++) {
		req->delay[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
		req->delay[i].phase = 0;
		req->delay[i].delay_multiplier =
				cpu_to_le32(set_eqd[i].delay_multiplier);
	}

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	be_mcc_notify(phba, tag);
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	mutex_unlock(&ctrl->mbox_lock);
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	return tag;
}

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/**
 * mgmt_reopen_session()- Reopen a session based on reopen_type
 * @phba: Device priv structure instance
 * @reopen_type: Type of reopen_session FW should do.
 * @sess_handle: Session Handle of the session to be re-opened
 *
 * return
 *	the TAG used for MBOX Command
 *
 **/
unsigned int mgmt_reopen_session(struct beiscsi_hba *phba,
				  unsigned int reopen_type,
				  unsigned int sess_handle)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	struct be_cmd_reopen_session_req *req;
	unsigned int tag = 0;

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	beiscsi_log(phba, KERN_INFO,
		    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
		    "BG_%d : In bescsi_get_boot_target\n");

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	mutex_lock(&ctrl->mbox_lock);
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	tag = alloc_mcc_tag(phba);
	if (!tag) {
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		mutex_unlock(&ctrl->mbox_lock);
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		return tag;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			   OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
			   sizeof(struct be_cmd_reopen_session_resp));

	/* set the reopen_type,sess_handle */
	req->reopen_type = reopen_type;
	req->session_handle = sess_handle;

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	be_mcc_notify(phba, tag);
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	mutex_unlock(&ctrl->mbox_lock);
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	return tag;
}

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unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
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{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
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	struct be_cmd_get_boot_target_req *req;
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	unsigned int tag = 0;

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	beiscsi_log(phba, KERN_INFO,
		    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
		    "BG_%d : In bescsi_get_boot_target\n");

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	mutex_lock(&ctrl->mbox_lock);
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	tag = alloc_mcc_tag(phba);
	if (!tag) {
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		mutex_unlock(&ctrl->mbox_lock);
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		return tag;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			   OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
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			   sizeof(struct be_cmd_get_boot_target_resp));
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	be_mcc_notify(phba, tag);
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	mutex_unlock(&ctrl->mbox_lock);
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	return tag;
}

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unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
				   u32 boot_session_handle,
				   struct be_dma_mem *nonemb_cmd)
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{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	unsigned int tag = 0;
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	struct  be_cmd_get_session_req *req;
	struct be_cmd_get_session_resp *resp;
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	struct be_sge *sge;

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	beiscsi_log(phba, KERN_INFO,
		    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
		    "BG_%d : In beiscsi_get_session_info\n");

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	mutex_lock(&ctrl->mbox_lock);
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	tag = alloc_mcc_tag(phba);
	if (!tag) {
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		mutex_unlock(&ctrl->mbox_lock);
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		return tag;
	}

	nonemb_cmd->size = sizeof(*resp);
	req = nonemb_cmd->va;
	memset(req, 0, sizeof(*req));
	wrb = wrb_from_mccq(phba);
	sge = nonembedded_sgl(wrb);
	wrb->tag0 |= tag;


	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			   OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
			   sizeof(*resp));
	req->session_handle = boot_session_handle;
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
	sge->len = cpu_to_le32(nonemb_cmd->size);

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	be_mcc_notify(phba, tag);
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	mutex_unlock(&ctrl->mbox_lock);
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	return tag;
}
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/**
 * mgmt_get_fw_config()- Get the FW config for the function
 * @ctrl: ptr to Ctrl Info
 * @phba: ptr to the dev priv structure
 *
 * Get the FW config and resources available for the function.
 * The resources are created based on the count received here.
 *
 * return
 *	Success: 0
 *	Failure: Non-Zero Value
 **/
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int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
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				struct beiscsi_hba *phba)
{
	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
	struct be_fw_cfg *req = embedded_payload(wrb);
	int status = 0;

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	mutex_lock(&ctrl->mbox_lock);
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	memset(wrb, 0, sizeof(*wrb));

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);

	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
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			   OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
			   EMBED_MBX_MAX_PAYLOAD_SIZE);
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	status = be_mbox_notify(ctrl);
	if (!status) {
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		uint8_t ulp_num = 0;
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		struct be_fw_cfg *pfw_cfg;
		pfw_cfg = req;
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		if (!is_chip_be2_be3r(phba)) {
			phba->fw_config.eqid_count = pfw_cfg->eqid_count;
			phba->fw_config.cqid_count = pfw_cfg->cqid_count;

			beiscsi_log(phba, KERN_INFO,
				    BEISCSI_LOG_INIT,
				    "BG_%d : EQ_Count : %d CQ_Count : %d\n",
				    phba->fw_config.eqid_count,
				    phba->fw_config.cqid_count);
		}

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		for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
			if (pfw_cfg->ulp[ulp_num].ulp_mode &
			    BEISCSI_ULP_ISCSI_INI_MODE)
				set_bit(ulp_num,
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				&phba->fw_config.ulp_supported);
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		phba->fw_config.phys_port = pfw_cfg->phys_port;
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		for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
			if (test_bit(ulp_num, &phba->fw_config.ulp_supported)) {

				phba->fw_config.iscsi_cid_start[ulp_num] =
					pfw_cfg->ulp[ulp_num].sq_base;
				phba->fw_config.iscsi_cid_count[ulp_num] =
					pfw_cfg->ulp[ulp_num].sq_count;

				phba->fw_config.iscsi_icd_start[ulp_num] =
					pfw_cfg->ulp[ulp_num].icd_base;
				phba->fw_config.iscsi_icd_count[ulp_num] =
					pfw_cfg->ulp[ulp_num].icd_count;

				phba->fw_config.iscsi_chain_start[ulp_num] =
					pfw_cfg->chain_icd[ulp_num].chain_base;
				phba->fw_config.iscsi_chain_count[ulp_num] =
					pfw_cfg->chain_icd[ulp_num].chain_count;

				beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
					    "BG_%d : Function loaded on ULP : %d\n"
					    "\tiscsi_cid_count : %d\n"
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					    "\tiscsi_cid_start : %d\n"
					    "\t iscsi_icd_count : %d\n"
					    "\t iscsi_icd_start : %d\n",
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					    ulp_num,
					    phba->fw_config.
					    iscsi_cid_count[ulp_num],
					    phba->fw_config.
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					    iscsi_cid_start[ulp_num],
					    phba->fw_config.
					    iscsi_icd_count[ulp_num],
					    phba->fw_config.
					    iscsi_icd_start[ulp_num]);
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			}
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		}
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		phba->fw_config.dual_ulp_aware = (pfw_cfg->function_mode &
						  BEISCSI_FUNC_DUA_MODE);

		beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
			    "BG_%d : DUA Mode : 0x%x\n",
			    phba->fw_config.dual_ulp_aware);

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	} else {
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		beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
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			    "BG_%d : Failed in mgmt_get_fw_config\n");
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		status = -EINVAL;
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	}

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	mutex_unlock(&ctrl->mbox_lock);
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	return status;
}

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int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
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				      struct beiscsi_hba *phba)
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{
	struct be_dma_mem nonemb_cmd;
	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
	struct be_mgmt_controller_attributes *req;
	struct be_sge *sge = nonembedded_sgl(wrb);
	int status = 0;

	nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
				sizeof(struct be_mgmt_controller_attributes),
				&nonemb_cmd.dma);
	if (nonemb_cmd.va == NULL) {
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		beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
			    "BG_%d : Failed to allocate memory for "
			    "mgmt_check_supported_fw\n");
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		return -ENOMEM;
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	}
	nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
	req = nonemb_cmd.va;
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	memset(req, 0, sizeof(*req));
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	mutex_lock(&ctrl->mbox_lock);
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	memset(wrb, 0, sizeof(*wrb));
	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
			   OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
	sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
	sge->len = cpu_to_le32(nonemb_cmd.size);
	status = be_mbox_notify(ctrl);
	if (!status) {
		struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
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		beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
			    "BG_%d : Firmware Version of CMD : %s\n"
			    "Firmware Version is : %s\n"
			    "Developer Build, not performing version check...\n",
			    resp->params.hba_attribs
			    .flashrom_version_string,
			    resp->params.hba_attribs.
			    firmware_version_string);

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		phba->fw_config.iscsi_features =
				resp->params.hba_attribs.iscsi_features;
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		beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
			    "BM_%d : phba->fw_config.iscsi_features = %d\n",
			    phba->fw_config.iscsi_features);
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		memcpy(phba->fw_ver_str, resp->params.hba_attribs.
		       firmware_version_string, BEISCSI_VER_STRLEN);
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	} else
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		beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
			    "BG_%d :  Failed in mgmt_check_supported_fw\n");
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	mutex_unlock(&ctrl->mbox_lock);
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	if (nonemb_cmd.va)
		pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
				    nonemb_cmd.va, nonemb_cmd.dma);

	return status;
}

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unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
					 struct beiscsi_hba *phba,
					 struct bsg_job *job,
					 struct be_dma_mem *nonemb_cmd)
{
	struct be_cmd_resp_hdr *resp;
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	struct be_mcc_wrb *wrb;
	struct be_sge *mcc_sge;
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	unsigned int tag = 0;
	struct iscsi_bsg_request *bsg_req = job->request;
	struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
	unsigned short region, sector_size, sector, offset;

	nonemb_cmd->size = job->request_payload.payload_len;
	memset(nonemb_cmd->va, 0, nonemb_cmd->size);
	resp = nonemb_cmd->va;
	region =  bsg_req->rqst_data.h_vendor.vendor_cmd[1];
	sector_size =  bsg_req->rqst_data.h_vendor.vendor_cmd[2];
	sector =  bsg_req->rqst_data.h_vendor.vendor_cmd[3];
	offset =  bsg_req->rqst_data.h_vendor.vendor_cmd[4];
	req->region = region;
	req->sector = sector;
	req->offset = offset;

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	if (mutex_lock_interruptible(&ctrl->mbox_lock))
		return 0;
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	switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
	case BEISCSI_WRITE_FLASH:
		offset = sector * sector_size + offset;
		be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
				   OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
		sg_copy_to_buffer(job->request_payload.sg_list,
				  job->request_payload.sg_cnt,
				  nonemb_cmd->va + offset, job->request_len);
		break;
	case BEISCSI_READ_FLASH:
		be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
			   OPCODE_COMMON_READ_FLASH, sizeof(*req));
		break;
	default:
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		beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
			    "BG_%d : Unsupported cmd = 0x%x\n\n",
			    bsg_req->rqst_data.h_vendor.vendor_cmd[0]);

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		mutex_unlock(&ctrl->mbox_lock);
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		return -ENOSYS;
	}

	tag = alloc_mcc_tag(phba);
	if (!tag) {
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		mutex_unlock(&ctrl->mbox_lock);
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		return tag;
	}

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	wrb = wrb_from_mccq(phba);
	mcc_sge = nonembedded_sgl(wrb);
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	be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
			   job->request_payload.sg_cnt);
	mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
	mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
	mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
	wrb->tag0 |= tag;

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	be_mcc_notify(phba, tag);
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	mutex_unlock(&ctrl->mbox_lock);
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	return tag;
}

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/**
 * mgmt_epfw_cleanup()- Inform FW to cleanup data structures.
 * @phba: pointer to dev priv structure
 * @ulp_num: ULP number.
 *
 * return
 *	Success: 0
 *	Failure: Non-Zero Value
 **/
int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num)
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{
	struct be_ctrl_info *ctrl = &phba->ctrl;
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	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
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	struct iscsi_cleanup_req *req = embedded_payload(wrb);
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	unsigned int tag;
	int status;
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	mutex_lock(&ctrl->mbox_lock);
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	tag = alloc_mcc_tag(phba);
	if (!tag) {
		mutex_unlock(&ctrl->mbox_lock);
		return -EBUSY;
	}
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	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
			   OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
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	wrb->tag0 |= tag;
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	req->chute = (1 << ulp_num);
	req->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba, ulp_num));
	req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba, ulp_num));
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	status = be_mcc_notify_wait(phba, tag);
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	if (status)
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		beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
			    "BG_%d : mgmt_epfw_cleanup , FAILED\n");
587
	mutex_unlock(&ctrl->mbox_lock);
588 589 590
	return status;
}

591
unsigned int  mgmt_invalidate_icds(struct beiscsi_hba *phba,
592
				struct invalidate_command_table *inv_tbl,
593 594 595
				unsigned int num_invalidate, unsigned int cid,
				struct be_dma_mem *nonemb_cmd)

596 597
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
598 599
	struct be_mcc_wrb *wrb;
	struct be_sge *sge;
600
	struct invalidate_commands_params_in *req;
601
	unsigned int i, tag = 0;
602

603
	mutex_lock(&ctrl->mbox_lock);
604 605
	tag = alloc_mcc_tag(phba);
	if (!tag) {
606
		mutex_unlock(&ctrl->mbox_lock);
607 608
		return tag;
	}
609

610
	req = nonemb_cmd->va;
611
	memset(req, 0, sizeof(*req));
612 613 614
	wrb = wrb_from_mccq(phba);
	sge = nonembedded_sgl(wrb);
	wrb->tag0 |= tag;
615 616 617 618 619 620 621

	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
			OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
			sizeof(*req));
	req->ref_handle = 0;
	req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
622 623 624 625 626 627
	for (i = 0; i < num_invalidate; i++) {
		req->table[i].icd = inv_tbl->icd;
		req->table[i].cid = inv_tbl->cid;
		req->icd_count++;
		inv_tbl++;
	}
628 629 630
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
	sge->len = cpu_to_le32(nonemb_cmd->size);
631

632
	be_mcc_notify(phba, tag);
633
	mutex_unlock(&ctrl->mbox_lock);
634
	return tag;
635 636
}

637
unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
638 639 640 641 642 643
					 struct beiscsi_endpoint *beiscsi_ep,
					 unsigned short cid,
					 unsigned short issue_reset,
					 unsigned short savecfg_flag)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
644 645 646
	struct be_mcc_wrb *wrb;
	struct iscsi_invalidate_connection_params_in *req;
	unsigned int tag = 0;
647

648
	mutex_lock(&ctrl->mbox_lock);
649 650
	tag = alloc_mcc_tag(phba);
	if (!tag) {
651
		mutex_unlock(&ctrl->mbox_lock);
652 653 654 655 656
		return tag;
	}
	wrb = wrb_from_mccq(phba);
	wrb->tag0 |= tag;
	req = embedded_payload(wrb);
657 658 659 660 661 662 663 664 665 666 667 668

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			   OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
			   sizeof(*req));
	req->session_handle = beiscsi_ep->fw_handle;
	req->cid = cid;
	if (issue_reset)
		req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
	else
		req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
	req->save_cfg = savecfg_flag;
669
	be_mcc_notify(phba, tag);
670
	mutex_unlock(&ctrl->mbox_lock);
671
	return tag;
672 673
}

674
unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
675 676 677
				unsigned short cid, unsigned int upload_flag)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
678 679 680
	struct be_mcc_wrb *wrb;
	struct tcp_upload_params_in *req;
	unsigned int tag = 0;
681

682
	mutex_lock(&ctrl->mbox_lock);
683 684
	tag = alloc_mcc_tag(phba);
	if (!tag) {
685
		mutex_unlock(&ctrl->mbox_lock);
686 687 688 689 690
		return tag;
	}
	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
691 692 693 694 695 696

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
			   OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
	req->id = (unsigned short)cid;
	req->upload_type = (unsigned char)upload_flag;
697
	be_mcc_notify(phba, tag);
698
	mutex_unlock(&ctrl->mbox_lock);
699
	return tag;
700 701
}

702 703 704 705 706 707 708 709 710 711
/**
 * mgmt_open_connection()- Establish a TCP CXN
 * @dst_addr: Destination Address
 * @beiscsi_ep: ptr to device endpoint struct
 * @nonemb_cmd: ptr to memory allocated for command
 *
 * return
 *	Success: Tag number of the MBX Command issued
 *	Failure: Error code
 **/
712 713
int mgmt_open_connection(struct beiscsi_hba *phba,
			 struct sockaddr *dst_addr,
714 715
			 struct beiscsi_endpoint *beiscsi_ep,
			 struct be_dma_mem *nonemb_cmd)
716 717 718 719 720 721
{
	struct hwi_controller *phwi_ctrlr;
	struct hwi_context_memory *phwi_context;
	struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
	struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
	struct be_ctrl_info *ctrl = &phba->ctrl;
722
	struct be_mcc_wrb *wrb;
723
	struct tcp_connect_and_offload_in_v1 *req;
724 725 726 727
	unsigned short def_hdr_id;
	unsigned short def_data_id;
	struct phys_addr template_address = { 0, 0 };
	struct phys_addr *ptemplate_address;
728
	unsigned int tag = 0;
729
	unsigned int i, ulp_num;
730
	unsigned short cid = beiscsi_ep->ep_cid;
731
	struct be_sge *sge;
732 733 734

	phwi_ctrlr = phba->phwi_ctrlr;
	phwi_context = phwi_ctrlr->phwi_ctxt;
735 736 737 738 739

	ulp_num = phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(cid)].ulp_num;

	def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba, ulp_num);
	def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba, ulp_num);
740 741 742

	ptemplate_address = &template_address;
	ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
743 744
	if (mutex_lock_interruptible(&ctrl->mbox_lock))
		return 0;
745 746
	tag = alloc_mcc_tag(phba);
	if (!tag) {
747
		mutex_unlock(&ctrl->mbox_lock);
748 749 750
		return tag;
	}
	wrb = wrb_from_mccq(phba);
751 752 753 754
	sge = nonembedded_sgl(wrb);

	req = nonemb_cmd->va;
	memset(req, 0, sizeof(*req));
755
	wrb->tag0 |= tag;
756

757
	be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
758 759
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
			   OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
760
			   nonemb_cmd->size);
761 762 763
	if (dst_addr->sa_family == PF_INET) {
		__be32 s_addr = daddr_in->sin_addr.s_addr;
		req->ip_address.ip_type = BE2_IPV4;
764 765 766 767
		req->ip_address.addr[0] = s_addr & 0x000000ff;
		req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
		req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
		req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
768 769 770 771 772 773
		req->tcp_port = ntohs(daddr_in->sin_port);
		beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
		beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
		beiscsi_ep->ip_type = BE2_IPV4;
	} else if (dst_addr->sa_family == PF_INET6) {
		req->ip_address.ip_type = BE2_IPV6;
774
		memcpy(&req->ip_address.addr,
775 776 777 778 779 780 781
		       &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
		req->tcp_port = ntohs(daddr_in6->sin6_port);
		beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
		memcpy(&beiscsi_ep->dst6_addr,
		       &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
		beiscsi_ep->ip_type = BE2_IPV6;
	} else{
782 783 784
		beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
			    "BG_%d : unknown addr family %d\n",
			    dst_addr->sa_family);
785
		mutex_unlock(&ctrl->mbox_lock);
786
		free_mcc_tag(&phba->ctrl, tag);
787 788 789 790
		return -EINVAL;

	}
	req->cid = cid;
791 792 793 794
	i = phba->nxt_cqid++;
	if (phba->nxt_cqid == phba->num_cpus)
		phba->nxt_cqid = 0;
	req->cq_id = phwi_context->be_cq[i].id;
795 796
	beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
		    "BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
797 798 799 800 801 802
	req->defq_id = def_hdr_id;
	req->hdr_ring_id = def_hdr_id;
	req->data_ring_id = def_data_id;
	req->do_offload = 1;
	req->dataout_template_pa.lo = ptemplate_address->lo;
	req->dataout_template_pa.hi = ptemplate_address->hi;
803 804 805
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
	sge->len = cpu_to_le32(nonemb_cmd->size);
806 807 808 809 810 811 812

	if (!is_chip_be2_be3r(phba)) {
		req->hdr.version = MBX_CMD_VER1;
		req->tcp_window_size = 0;
		req->tcp_window_scale_count = 2;
	}

813
	be_mcc_notify(phba, tag);
814
	mutex_unlock(&ctrl->mbox_lock);
815
	return tag;
816
}
817

818
unsigned int mgmt_get_all_if_id(struct beiscsi_hba *phba)
819 820
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
821 822 823 824
	struct be_mcc_wrb *wrb;
	struct be_cmd_get_all_if_id_req *req;
	struct be_cmd_get_all_if_id_req *pbe_allid;
	unsigned int tag;
825 826
	int status = 0;

827 828
	if (mutex_lock_interruptible(&ctrl->mbox_lock))
		return -EINTR;
829 830
	tag = alloc_mcc_tag(phba);
	if (!tag) {
831
		mutex_unlock(&ctrl->mbox_lock);
832 833 834 835 836 837
		return -ENOMEM;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
838 839 840 841 842

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
			   OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
			   sizeof(*req));
843
	be_mcc_notify(phba, tag);
844
	mutex_unlock(&ctrl->mbox_lock);
845 846 847

	status = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
	if (status) {
848 849
		beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
			    "BG_%d : Failed in mgmt_get_all_if_id\n");
850
		return -EBUSY;
851
	}
852 853 854

	pbe_allid = embedded_payload(wrb);
	phba->interface_handle = pbe_allid->if_hndl_list[0];
855 856 857 858

	return status;
}

859 860 861 862 863 864 865 866
/*
 * mgmt_exec_nonemb_cmd()- Execute Non Embedded MBX Cmd
 * @phba: Driver priv structure
 * @nonemb_cmd: Address of the MBX command issued
 * @resp_buf: Buffer to copy the MBX cmd response
 * @resp_buf_len: respone lenght to be copied
 *
 **/
867 868 869 870 871
static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
				struct be_dma_mem *nonemb_cmd, void *resp_buf,
				int resp_buf_len)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
872
	struct be_mcc_wrb *wrb;
873 874 875
	struct be_sge *sge;
	unsigned int tag;
	int rc = 0;
876

877
	mutex_lock(&ctrl->mbox_lock);
878 879
	tag = alloc_mcc_tag(phba);
	if (!tag) {
880
		mutex_unlock(&ctrl->mbox_lock);
881 882
		rc = -ENOMEM;
		goto free_cmd;
883
	}
884 885

	wrb = wrb_from_mccq(phba);
886
	wrb->tag0 |= tag;
887 888 889 890
	sge = nonembedded_sgl(wrb);

	be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
891
	sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd->dma));
892
	sge->len = cpu_to_le32(nonemb_cmd->size);
893

894
	be_mcc_notify(phba, tag);
895
	mutex_unlock(&ctrl->mbox_lock);
896

897 898 899 900 901
	rc = beiscsi_mccq_compl(phba, tag, NULL, nonemb_cmd);

	if (resp_buf)
		memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);

902
	if (rc) {
903
		/* Check if the MBX Cmd needs to be re-issued */
904 905 906
		if (rc == -EAGAIN)
			return rc;

907
		beiscsi_log(phba, KERN_WARNING,
908
			    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
909 910
			    "BG_%d : mgmt_exec_nonemb_cmd Failed status\n");

911 912 913 914
		if (rc != -EBUSY)
			goto free_cmd;
		else
			return rc;
915 916 917 918 919 920 921 922 923 924
	}
free_cmd:
	pci_free_consistent(ctrl->pdev, nonemb_cmd->size,
			    nonemb_cmd->va, nonemb_cmd->dma);
	return rc;
}

static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
			       int iscsi_cmd, int size)
{
J
Joe Perches 已提交
925
	cmd->va = pci_zalloc_consistent(phba->ctrl.pdev, size, &cmd->dma);
926
	if (!cmd->va) {
927 928
		beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
			    "BG_%d : Failed to allocate memory for if info\n");
929 930 931 932 933
		return -ENOMEM;
	}
	cmd->size = size;
	be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
	return 0;
934 935
}

936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967
static int
mgmt_static_ip_modify(struct beiscsi_hba *phba,
		      struct be_cmd_get_if_info_resp *if_info,
		      struct iscsi_iface_param_info *ip_param,
		      struct iscsi_iface_param_info *subnet_param,
		      uint32_t ip_action)
{
	struct be_cmd_set_ip_addr_req *req;
	struct be_dma_mem nonemb_cmd;
	uint32_t ip_type;
	int rc;

	rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
				 OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
				 sizeof(*req));
	if (rc)
		return rc;

	ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
		BE2_IPV6 : BE2_IPV4 ;

	req = nonemb_cmd.va;
	req->ip_params.record_entry_count = 1;
	req->ip_params.ip_record.action = ip_action;
	req->ip_params.ip_record.interface_hndl =
		phba->interface_handle;
	req->ip_params.ip_record.ip_addr.size_of_structure =
		sizeof(struct be_ip_addr_subnet_format);
	req->ip_params.ip_record.ip_addr.ip_type = ip_type;

	if (ip_action == IP_ACTION_ADD) {
		memcpy(req->ip_params.ip_record.ip_addr.addr, ip_param->value,
968
		       sizeof(req->ip_params.ip_record.ip_addr.addr));
969 970 971

		if (subnet_param)
			memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
972 973
			       subnet_param->value,
			       sizeof(req->ip_params.ip_record.ip_addr.subnet_mask));
974 975
	} else {
		memcpy(req->ip_params.ip_record.ip_addr.addr,
976 977
		       if_info->ip_addr.addr,
		       sizeof(req->ip_params.ip_record.ip_addr.addr));
978 979

		memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
980 981
		       if_info->ip_addr.subnet_mask,
		       sizeof(req->ip_params.ip_record.ip_addr.subnet_mask));
982 983 984 985
	}

	rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
	if (rc < 0)
986 987
		beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
			    "BG_%d : Failed to Modify existing IP Address\n");
988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
	return rc;
}

static int mgmt_modify_gateway(struct beiscsi_hba *phba, uint8_t *gt_addr,
			       uint32_t gtway_action, uint32_t param_len)
{
	struct be_cmd_set_def_gateway_req *req;
	struct be_dma_mem nonemb_cmd;
	int rt_val;


	rt_val = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
				OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
				sizeof(*req));
	if (rt_val)
		return rt_val;

	req = nonemb_cmd.va;
	req->action = gtway_action;
	req->ip_addr.ip_type = BE2_IPV4;

1009
	memcpy(req->ip_addr.addr, gt_addr, sizeof(req->ip_addr.addr));
1010 1011 1012 1013 1014 1015 1016 1017 1018 1019

	return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
}

int mgmt_set_ip(struct beiscsi_hba *phba,
		struct iscsi_iface_param_info *ip_param,
		struct iscsi_iface_param_info *subnet_param,
		uint32_t boot_proto)
{
	struct be_cmd_get_def_gateway_resp gtway_addr_set;
1020
	struct be_cmd_get_if_info_resp *if_info;
1021 1022 1023 1024 1025 1026 1027
	struct be_cmd_set_dhcp_req *dhcpreq;
	struct be_cmd_rel_dhcp_req *reldhcp;
	struct be_dma_mem nonemb_cmd;
	uint8_t *gtway_addr;
	uint32_t ip_type;
	int rc;

1028 1029 1030
	rc = mgmt_get_all_if_id(phba);
	if (rc)
		return rc;
1031 1032 1033 1034 1035

	ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
		BE2_IPV6 : BE2_IPV4 ;

	rc = mgmt_get_if_info(phba, ip_type, &if_info);
1036
	if (rc)
1037 1038 1039
		return rc;

	if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
1040
		if (if_info->dhcp_state) {
1041 1042
			beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
				    "BG_%d : DHCP Already Enabled\n");
1043
			goto exit;
1044 1045 1046 1047 1048 1049 1050 1051 1052
		}
		/* The ip_param->len is 1 in DHCP case. Setting
		   proper IP len as this it is used while
		   freeing the Static IP.
		 */
		ip_param->len = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
				IP_V6_LEN : IP_V4_LEN;

	} else {
1053
		if (if_info->dhcp_state) {
1054

1055
			memset(if_info, 0, sizeof(*if_info));
1056 1057 1058 1059 1060
			rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
				OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
				sizeof(*reldhcp));

			if (rc)
1061
				goto exit;
1062 1063 1064 1065 1066 1067 1068

			reldhcp = nonemb_cmd.va;
			reldhcp->interface_hndl = phba->interface_handle;
			reldhcp->ip_type = ip_type;

			rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
			if (rc < 0) {
1069 1070 1071
				beiscsi_log(phba, KERN_WARNING,
					    BEISCSI_LOG_CONFIG,
					    "BG_%d : Failed to Delete existing dhcp\n");
1072
				goto exit;
1073 1074 1075 1076 1077
			}
		}
	}

	/* Delete the Static IP Set */
1078 1079
	if (if_info->ip_addr.addr[0]) {
		rc = mgmt_static_ip_modify(phba, if_info, ip_param, NULL,
1080 1081
					   IP_ACTION_DEL);
		if (rc)
1082
			goto exit;
1083 1084 1085 1086 1087 1088 1089
	}

	/* Delete the Gateway settings if mode change is to DHCP */
	if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
		memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
		rc = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
		if (rc) {
1090 1091
			beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
				    "BG_%d : Failed to Get Gateway Addr\n");
1092
			goto exit;
1093 1094 1095 1096 1097 1098 1099 1100
		}

		if (gtway_addr_set.ip_addr.addr[0]) {
			gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
			rc = mgmt_modify_gateway(phba, gtway_addr,
						 IP_ACTION_DEL, IP_V4_LEN);

			if (rc) {
1101 1102 1103
				beiscsi_log(phba, KERN_WARNING,
					    BEISCSI_LOG_CONFIG,
					    "BG_%d : Failed to clear Gateway Addr Set\n");
1104
				goto exit;
1105 1106 1107 1108 1109 1110 1111 1112 1113 1114
			}
		}
	}

	/* Set Adapter to DHCP/Static Mode */
	if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
		rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
			OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
			sizeof(*dhcpreq));
		if (rc)
1115
			goto exit;
1116 1117 1118 1119 1120 1121 1122

		dhcpreq = nonemb_cmd.va;
		dhcpreq->flags = BLOCKING;
		dhcpreq->retry_count = 1;
		dhcpreq->interface_hndl = phba->interface_handle;
		dhcpreq->ip_type = BE2_DHCP_V4;

1123
		rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
1124
	} else {
1125
		rc = mgmt_static_ip_modify(phba, if_info, ip_param,
1126 1127 1128
					     subnet_param, IP_ACTION_ADD);
	}

1129 1130
exit:
	kfree(if_info);
1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143
	return rc;
}

int mgmt_set_gateway(struct beiscsi_hba *phba,
		     struct iscsi_iface_param_info *gateway_param)
{
	struct be_cmd_get_def_gateway_resp gtway_addr_set;
	uint8_t *gtway_addr;
	int rt_val;

	memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
	rt_val = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
	if (rt_val) {
1144 1145
		beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
			    "BG_%d : Failed to Get Gateway Addr\n");
1146 1147 1148 1149 1150 1151 1152 1153
		return rt_val;
	}

	if (gtway_addr_set.ip_addr.addr[0]) {
		gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
		rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_DEL,
					     gateway_param->len);
		if (rt_val) {
1154 1155
			beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
				    "BG_%d : Failed to clear Gateway Addr Set\n");
1156 1157 1158 1159 1160 1161 1162 1163 1164
			return rt_val;
		}
	}

	gtway_addr = (uint8_t *)&gateway_param->value;
	rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_ADD,
				     gateway_param->len);

	if (rt_val)
1165 1166
		beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
			    "BG_%d : Failed to Set Gateway Addr\n");
1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191

	return rt_val;
}

int mgmt_get_gateway(struct beiscsi_hba *phba, int ip_type,
		     struct be_cmd_get_def_gateway_resp *gateway)
{
	struct be_cmd_get_def_gateway_req *req;
	struct be_dma_mem nonemb_cmd;
	int rc;

	rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
				 OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
				 sizeof(*gateway));
	if (rc)
		return rc;

	req = nonemb_cmd.va;
	req->ip_type = ip_type;

	return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, gateway,
				    sizeof(*gateway));
}

int mgmt_get_if_info(struct beiscsi_hba *phba, int ip_type,
1192
		     struct be_cmd_get_if_info_resp **if_info)
1193 1194 1195
{
	struct be_cmd_get_if_info_req *req;
	struct be_dma_mem nonemb_cmd;
1196
	uint32_t ioctl_size = sizeof(struct be_cmd_get_if_info_resp);
1197 1198
	int rc;

1199 1200 1201
	rc = mgmt_get_all_if_id(phba);
	if (rc)
		return rc;
1202

1203 1204 1205 1206 1207 1208
	do {
		rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
					 OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
					 ioctl_size);
		if (rc)
			return rc;
1209

1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230
		req = nonemb_cmd.va;
		req->interface_hndl = phba->interface_handle;
		req->ip_type = ip_type;

		/* Allocate memory for if_info */
		*if_info = kzalloc(ioctl_size, GFP_KERNEL);
		if (!*if_info) {
			beiscsi_log(phba, KERN_ERR,
				    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
				    "BG_%d : Memory Allocation Failure\n");

				/* Free the DMA memory for the IOCTL issuing */
				pci_free_consistent(phba->ctrl.pdev,
						    nonemb_cmd.size,
						    nonemb_cmd.va,
						    nonemb_cmd.dma);
				return -ENOMEM;
		}

		rc =  mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, *if_info,
					   ioctl_size);
1231

1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250
		/* Check if the error is because of Insufficent_Buffer */
		if (rc == -EAGAIN) {

			/* Get the new memory size */
			ioctl_size = ((struct be_cmd_resp_hdr *)
				      nonemb_cmd.va)->actual_resp_len;
			ioctl_size += sizeof(struct be_cmd_req_hdr);

			/* Free the previous allocated DMA memory */
			pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
					    nonemb_cmd.va,
					    nonemb_cmd.dma);

			/* Free the virtual memory */
			kfree(*if_info);
		} else
			break;
	} while (true);
	return rc;
1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269
}

int mgmt_get_nic_conf(struct beiscsi_hba *phba,
		      struct be_cmd_get_nic_conf_resp *nic)
{
	struct be_dma_mem nonemb_cmd;
	int rc;

	rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
				 OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
				 sizeof(*nic));
	if (rc)
		return rc;

	return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, nic, sizeof(*nic));
}



1270 1271 1272 1273 1274 1275 1276
unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
{
	unsigned int tag = 0;
	struct be_mcc_wrb *wrb;
	struct be_cmd_hba_name *req;
	struct be_ctrl_info *ctrl = &phba->ctrl;

1277 1278
	if (mutex_lock_interruptible(&ctrl->mbox_lock))
		return 0;
1279 1280
	tag = alloc_mcc_tag(phba);
	if (!tag) {
1281
		mutex_unlock(&ctrl->mbox_lock);
1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292
		return tag;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			OPCODE_ISCSI_INI_CFG_GET_HBA_NAME,
			sizeof(*req));

1293
	be_mcc_notify(phba, tag);
1294
	mutex_unlock(&ctrl->mbox_lock);
1295 1296
	return tag;
}
1297 1298 1299 1300 1301 1302 1303 1304

unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)
{
	unsigned int tag = 0;
	struct be_mcc_wrb *wrb;
	struct be_cmd_ntwk_link_status_req *req;
	struct be_ctrl_info *ctrl = &phba->ctrl;

1305 1306
	if (mutex_lock_interruptible(&ctrl->mbox_lock))
		return 0;
1307 1308
	tag = alloc_mcc_tag(phba);
	if (!tag) {
1309
		mutex_unlock(&ctrl->mbox_lock);
1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320
		return tag;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
			OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
			sizeof(*req));

1321
	be_mcc_notify(phba, tag);
1322
	mutex_unlock(&ctrl->mbox_lock);
1323 1324
	return tag;
}
1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344

/**
 * be_mgmt_get_boot_shandle()- Get the session handle
 * @phba: device priv structure instance
 * @s_handle: session handle returned for boot session.
 *
 * Get the boot target session handle. In case of
 * crashdump mode driver has to issue and MBX Cmd
 * for FW to login to boot target
 *
 * return
 *	Success: 0
 *	Failure: Non-Zero value
 *
 **/
int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
			      unsigned int *s_handle)
{
	struct be_cmd_get_boot_target_resp *boot_resp;
	struct be_mcc_wrb *wrb;
1345
	unsigned int tag;
1346
	uint8_t boot_retry = 3;
1347
	int rc;
1348 1349 1350 1351 1352

	do {
		/* Get the Boot Target Session Handle and Count*/
		tag = mgmt_get_boot_target(phba);
		if (!tag) {
1353 1354 1355
			beiscsi_log(phba, KERN_ERR,
				    BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
				    "BG_%d : Getting Boot Target Info Failed\n");
1356
			return -EAGAIN;
1357 1358 1359 1360
		}

		rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
		if (rc) {
1361 1362
			beiscsi_log(phba, KERN_ERR,
				    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1363
				    "BG_%d : MBX CMD get_boot_target Failed\n");
1364 1365
			return -EBUSY;
		}
1366

1367 1368 1369 1370
		boot_resp = embedded_payload(wrb);

		/* Check if the there are any Boot targets configured */
		if (!boot_resp->boot_session_count) {
1371 1372 1373
			beiscsi_log(phba, KERN_INFO,
				    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
				    "BG_%d  ;No boot targets configured\n");
1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386
			return -ENXIO;
		}

		/* FW returns the session handle of the boot session */
		if (boot_resp->boot_session_handle != INVALID_SESS_HANDLE) {
			*s_handle = boot_resp->boot_session_handle;
			return 0;
		}

		/* Issue MBX Cmd to FW to login to the boot target */
		tag = mgmt_reopen_session(phba, BE_REOPEN_BOOT_SESSIONS,
					  INVALID_SESS_HANDLE);
		if (!tag) {
1387 1388 1389
			beiscsi_log(phba, KERN_ERR,
				    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
				    "BG_%d : mgmt_reopen_session Failed\n");
1390
			return -EAGAIN;
1391 1392 1393 1394
		}

		rc = beiscsi_mccq_compl(phba, tag, NULL, NULL);
		if (rc) {
1395 1396
			beiscsi_log(phba, KERN_ERR,
				    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1397 1398
				    "BG_%d : mgmt_reopen_session Failed");
			return rc;
1399 1400 1401 1402
		}
	} while (--boot_retry);

	/* Couldn't log into the boot target */
1403 1404 1405
	beiscsi_log(phba, KERN_ERR,
		    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
		    "BG_%d : Login to Boot Target Failed\n");
1406 1407
	return -ENXIO;
}
1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423

/**
 * mgmt_set_vlan()- Issue and wait for CMD completion
 * @phba: device private structure instance
 * @vlan_tag: VLAN tag
 *
 * Issue the MBX Cmd and wait for the completion of the
 * command.
 *
 * returns
 *	Success: 0
 *	Failure: Non-Xero Value
 **/
int mgmt_set_vlan(struct beiscsi_hba *phba,
		   uint16_t vlan_tag)
{
1424 1425
	int rc;
	unsigned int tag;
1426 1427 1428 1429 1430 1431 1432

	tag = be_cmd_set_vlan(phba, vlan_tag);
	if (!tag) {
		beiscsi_log(phba, KERN_ERR,
			    (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
			    "BG_%d : VLAN Setting Failed\n");
		return -EBUSY;
1433
	}
1434

1435
	rc = beiscsi_mccq_compl(phba, tag, NULL, NULL);
1436
	if (rc) {
1437 1438
		beiscsi_log(phba, KERN_ERR,
			    (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
1439 1440
			    "BS_%d : VLAN MBX Cmd Failed\n");
		return rc;
1441
	}
1442
	return rc;
1443
}
1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459

/**
 * beiscsi_drvr_ver_disp()- Display the driver Name and Version
 * @dev: ptr to device not used.
 * @attr: device attribute, not used.
 * @buf: contains formatted text driver name and version
 *
 * return
 * size of the formatted string
 **/
ssize_t
beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr,
		       char *buf)
{
	return snprintf(buf, PAGE_SIZE, BE_NAME "\n");
}
1460

1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479
/**
 * beiscsi_fw_ver_disp()- Display Firmware Version
 * @dev: ptr to device not used.
 * @attr: device attribute, not used.
 * @buf: contains formatted text Firmware version
 *
 * return
 * size of the formatted string
 **/
ssize_t
beiscsi_fw_ver_disp(struct device *dev, struct device_attribute *attr,
		     char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct beiscsi_hba *phba = iscsi_host_priv(shost);

	return snprintf(buf, PAGE_SIZE, "%s\n", phba->fw_ver_str);
}

1480
/**
1481
 * beiscsi_active_session_disp()- Display Sessions Active
1482 1483 1484 1485 1486 1487 1488 1489
 * @dev: ptr to device not used.
 * @attr: device attribute, not used.
 * @buf: contains formatted text Session Count
 *
 * return
 * size of the formatted string
 **/
ssize_t
1490
beiscsi_active_session_disp(struct device *dev, struct device_attribute *attr,
1491 1492 1493 1494
			 char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct beiscsi_hba *phba = iscsi_host_priv(shost);
1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507
	uint16_t avlbl_cids = 0, ulp_num, len = 0, total_cids = 0;

	for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
		if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported)) {
			avlbl_cids = BEISCSI_ULP_AVLBL_CID(phba, ulp_num);
			total_cids = BEISCSI_GET_CID_COUNT(phba, ulp_num);
			len += snprintf(buf+len, PAGE_SIZE - len,
					"ULP%d : %d\n", ulp_num,
					(total_cids - avlbl_cids));
		} else
			len += snprintf(buf+len, PAGE_SIZE - len,
					"ULP%d : %d\n", ulp_num, 0);
	}
1508

1509
	return len;
1510 1511
}

1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541
/**
 * beiscsi_free_session_disp()- Display Avaliable Session
 * @dev: ptr to device not used.
 * @attr: device attribute, not used.
 * @buf: contains formatted text Session Count
 *
 * return
 * size of the formatted string
 **/
ssize_t
beiscsi_free_session_disp(struct device *dev, struct device_attribute *attr,
		       char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct beiscsi_hba *phba = iscsi_host_priv(shost);
	uint16_t ulp_num, len = 0;

	for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
		if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported))
			len += snprintf(buf+len, PAGE_SIZE - len,
					"ULP%d : %d\n", ulp_num,
					BEISCSI_ULP_AVLBL_CID(phba, ulp_num));
		else
			len += snprintf(buf+len, PAGE_SIZE - len,
					"ULP%d : %d\n", ulp_num, 0);
	}

	return len;
}

1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574
/**
 * beiscsi_adap_family_disp()- Display adapter family.
 * @dev: ptr to device to get priv structure
 * @attr: device attribute, not used.
 * @buf: contains formatted text driver name and version
 *
 * return
 * size of the formatted string
 **/
ssize_t
beiscsi_adap_family_disp(struct device *dev, struct device_attribute *attr,
			  char *buf)
{
	uint16_t dev_id = 0;
	struct Scsi_Host *shost = class_to_shost(dev);
	struct beiscsi_hba *phba = iscsi_host_priv(shost);

	dev_id = phba->pcidev->device;
	switch (dev_id) {
	case BE_DEVICE_ID1:
	case OC_DEVICE_ID1:
	case OC_DEVICE_ID2:
		return snprintf(buf, PAGE_SIZE, "BE2 Adapter Family\n");
		break;
	case BE_DEVICE_ID2:
	case OC_DEVICE_ID3:
		return snprintf(buf, PAGE_SIZE, "BE3-R Adapter Family\n");
		break;
	case OC_SKH_ID1:
		return snprintf(buf, PAGE_SIZE, "Skyhawk-R Adapter Family\n");
		break;
	default:
		return snprintf(buf, PAGE_SIZE,
1575
				"Unknown Adapter Family: 0x%x\n", dev_id);
1576 1577 1578 1579
		break;
	}
}

1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598
/**
 * beiscsi_phys_port()- Display Physical Port Identifier
 * @dev: ptr to device not used.
 * @attr: device attribute, not used.
 * @buf: contains formatted text port identifier
 *
 * return
 * size of the formatted string
 **/
ssize_t
beiscsi_phys_port_disp(struct device *dev, struct device_attribute *attr,
			 char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct beiscsi_hba *phba = iscsi_host_priv(shost);

	return snprintf(buf, PAGE_SIZE, "Port Identifier : %d\n",
			phba->fw_config.phys_port);
}
1599

1600 1601
void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params,
			     struct wrb_handle *pwrb_handle,
1602 1603
			     struct be_mem_descriptor *mem_descr,
			     struct hwi_wrb_context *pwrb_context)
1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646
{
	struct iscsi_wrb *pwrb = pwrb_handle->pwrb;

	memset(pwrb, 0, sizeof(*pwrb));
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
		      max_send_data_segment_length, pwrb,
		      params->dw[offsetof(struct amap_beiscsi_offload_params,
		      max_send_data_segment_length) / 32]);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, type, pwrb,
		      BE_TGT_CTX_UPDT_CMD);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
		      first_burst_length,
		      pwrb,
		      params->dw[offsetof(struct amap_beiscsi_offload_params,
		      first_burst_length) / 32]);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, erl, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      erl) / 32] & OFFLD_PARAMS_ERL));
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, dde, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		       dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, hde, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ir2t, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, imd, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, stat_sn,
		      pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      exp_statsn) / 32] + 1));
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, wrb_idx,
		      pwrb, pwrb_handle->wrb_index);

	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
		      max_burst_length, pwrb, params->dw[offsetof
		      (struct amap_beiscsi_offload_params,
		      max_burst_length) / 32]);

	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ptr2nextwrb,
1647 1648 1649 1650 1651 1652 1653 1654
		      pwrb, pwrb_handle->wrb_index);
	if (pwrb_context->plast_wrb)
		AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
			      ptr2nextwrb,
			      pwrb_context->plast_wrb,
			      pwrb_handle->wrb_index);
	pwrb_context->plast_wrb = pwrb;

1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
		      session_state, pwrb, 0);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, compltonack,
		      pwrb, 1);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, notpredblq,
		      pwrb, 0);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, mode, pwrb,
		      0);

	mem_descr += ISCSI_MEM_GLOBAL_HEADER;
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
		      pad_buffer_addr_hi, pwrb,
		      mem_descr->mem_array[0].bus_address.u.a32.address_hi);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
		      pad_buffer_addr_lo, pwrb,
		      mem_descr->mem_array[0].bus_address.u.a32.address_lo);
}

void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
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			     struct wrb_handle *pwrb_handle,
			     struct hwi_wrb_context *pwrb_context)
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{
	struct iscsi_wrb *pwrb = pwrb_handle->pwrb;

	memset(pwrb, 0, sizeof(*pwrb));

	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      max_burst_length, pwrb, params->dw[offsetof
		      (struct amap_beiscsi_offload_params,
		      max_burst_length) / 32]);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      type, pwrb,
		      BE_TGT_CTX_UPDT_CMD);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      ptr2nextwrb,
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		      pwrb, pwrb_handle->wrb_index);
	if (pwrb_context->plast_wrb)
		AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
			      ptr2nextwrb,
			      pwrb_context->plast_wrb,
			      pwrb_handle->wrb_index);
	pwrb_context->plast_wrb = pwrb;

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	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, wrb_idx,
		      pwrb, pwrb_handle->wrb_index);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      max_send_data_segment_length, pwrb,
		      params->dw[offsetof(struct amap_beiscsi_offload_params,
		      max_send_data_segment_length) / 32]);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      first_burst_length, pwrb,
		      params->dw[offsetof(struct amap_beiscsi_offload_params,
		      first_burst_length) / 32]);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
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		      max_recv_dataseg_len, pwrb,
		      params->dw[offsetof(struct amap_beiscsi_offload_params,
		      max_recv_data_segment_length) / 32]);
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	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      max_cxns, pwrb, BEISCSI_MAX_CXNS);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, erl, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      erl) / 32] & OFFLD_PARAMS_ERL));
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, dde, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, hde, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      ir2t, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, imd, pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      data_seq_inorder,
		      pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      data_seq_inorder) / 32] &
		      OFFLD_PARAMS_DATA_SEQ_INORDER) >> 6);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
		      pdu_seq_inorder,
		      pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      pdu_seq_inorder) / 32] &
		      OFFLD_PARAMS_PDU_SEQ_INORDER) >> 7);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, max_r2t,
		      pwrb,
		      (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      max_r2t) / 32] &
		      OFFLD_PARAMS_MAX_R2T) >> 8);
	AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, stat_sn,
		      pwrb,
		     (params->dw[offsetof(struct amap_beiscsi_offload_params,
		      exp_statsn) / 32] + 1));
}
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/**
 * beiscsi_logout_fw_sess()- Firmware Session Logout
 * @phba: Device priv structure instance
 * @fw_sess_handle: FW session handle
 *
 * Logout from the FW established sessions.
 * returns
 *  Success: 0
 *  Failure: Non-Zero Value
 *
 */
int beiscsi_logout_fw_sess(struct beiscsi_hba *phba,
		uint32_t fw_sess_handle)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	struct be_cmd_req_logout_fw_sess *req;
	struct be_cmd_resp_logout_fw_sess *resp;
	unsigned int tag;
	int rc;

	beiscsi_log(phba, KERN_INFO,
		    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
		    "BG_%d : In bescsi_logout_fwboot_sess\n");

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	mutex_lock(&ctrl->mbox_lock);
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	tag = alloc_mcc_tag(phba);
	if (!tag) {
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		mutex_unlock(&ctrl->mbox_lock);
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		beiscsi_log(phba, KERN_INFO,
			    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
			    "BG_%d : MBX Tag Failure\n");
		return -EINVAL;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			   OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET,
			   sizeof(struct be_cmd_req_logout_fw_sess));

	/* Set the session handle */
	req->session_handle = fw_sess_handle;
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	be_mcc_notify(phba, tag);
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	mutex_unlock(&ctrl->mbox_lock);
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	rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
	if (rc) {
		beiscsi_log(phba, KERN_ERR,
			    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
			    "BG_%d : MBX CMD FW_SESSION_LOGOUT_TARGET Failed\n");
		return -EBUSY;
	}

	resp = embedded_payload(wrb);
	if (resp->session_status !=
		BEISCSI_MGMT_SESSION_CLOSE) {
		beiscsi_log(phba, KERN_ERR,
			    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
			    "BG_%d : FW_SESSION_LOGOUT_TARGET resp : 0x%x\n",
			    resp->session_status);
		rc = -EINVAL;
	}

	return rc;
}