bfad.c 33.6 KB
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/*
 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 *
 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

/**
 *  bfad.c Linux driver PCI interface module.
 */

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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/kthread.h>
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#include "bfad_drv.h"
#include "bfad_im.h"
#include "bfad_tm.h"
#include "bfad_ipfc.h"
#include "bfad_trcmod.h"
#include <fcb/bfa_fcb_vf.h>
#include <fcb/bfa_fcb_rport.h>
#include <fcb/bfa_fcb_port.h>
#include <fcb/bfa_fcb.h>

BFA_TRC_FILE(LDRV, BFAD);
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DEFINE_MUTEX(bfad_mutex);
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LIST_HEAD(bfad_list);
static int      bfad_inst;
int bfad_supported_fc4s;

static char     *host_name;
static char     *os_name;
static char     *os_patch;
static int      num_rports;
static int      num_ios;
static int      num_tms;
static int      num_fcxps;
static int      num_ufbufs;
static int      reqq_size;
static int      rspq_size;
static int      num_sgpgs;
static int      rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
static int      bfa_io_max_sge = BFAD_IO_MAX_SGE;
static int      log_level = BFA_LOG_WARNING;
static int      ioc_auto_recover = BFA_TRUE;
static int      ipfc_enable = BFA_FALSE;
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static int	fdmi_enable = BFA_TRUE;
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int 		bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
int      	bfa_linkup_delay = -1;
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int		bfa_debugfs_enable = 1;
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module_param(os_name, charp, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
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module_param(os_patch, charp, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
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module_param(host_name, charp, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
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module_param(num_rports, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_rports, "Max number of rports supported per port"
		" (physical/logical), default=1024");
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module_param(num_ios, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
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module_param(num_tms, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
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module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
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module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame buffers,"
		" default=64");
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module_param(reqq_size, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(reqq_size, "Max number of request queue elements,"
		" default=256");
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module_param(rspq_size, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(rspq_size, "Max number of response queue elements,"
		" default=64");
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module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
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module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs,"
		" Range[>0]");
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module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32,"
		" Range[>0]");
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module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
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module_param(log_level, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(log_level, "Driver log level, default=3,"
		" Range[Critical:1|Error:2|Warning:3|Info:4]");
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module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1,"
		" Range[off:0|on:1]");
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module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ipfc_enable, "Enable IPoFC, default=0, Range[off:0|on:1]");
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module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for boot"
		" port. Otherwise Range[>0]");
module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1,"
		" Range[false:0|true:1]");
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module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
		" Range[false:0|true:1]");
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/*
 * Stores the module parm num_sgpgs value;
 * used to reset for bfad next instance.
 */
static int num_sgpgs_parm;

static bfa_status_t
bfad_fc4_probe(struct bfad_s *bfad)
{
	int             rc;

	rc = bfad_im_probe(bfad);
	if (rc != BFA_STATUS_OK)
		goto ext;

	bfad_tm_probe(bfad);

	if (ipfc_enable)
		bfad_ipfc_probe(bfad);
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	bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
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ext:
	return rc;
}

static void
bfad_fc4_probe_undo(struct bfad_s *bfad)
{
	bfad_im_probe_undo(bfad);
	bfad_tm_probe_undo(bfad);
	if (ipfc_enable)
		bfad_ipfc_probe_undo(bfad);
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	bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
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}

static void
bfad_fc4_probe_post(struct bfad_s *bfad)
{
	if (bfad->im)
		bfad_im_probe_post(bfad->im);

	bfad_tm_probe_post(bfad);
	if (ipfc_enable)
		bfad_ipfc_probe_post(bfad);
}

static bfa_status_t
bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
{
	int             rc = BFA_STATUS_FAILED;

	if (roles & BFA_PORT_ROLE_FCP_IM)
		rc = bfad_im_port_new(bfad, port);
	if (rc != BFA_STATUS_OK)
		goto ext;

	if (roles & BFA_PORT_ROLE_FCP_TM)
		rc = bfad_tm_port_new(bfad, port);
	if (rc != BFA_STATUS_OK)
		goto ext;

	if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
		rc = bfad_ipfc_port_new(bfad, port, port->pvb_type);
ext:
	return rc;
}

static void
bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
{
	if (roles & BFA_PORT_ROLE_FCP_IM)
		bfad_im_port_delete(bfad, port);

	if (roles & BFA_PORT_ROLE_FCP_TM)
		bfad_tm_port_delete(bfad, port);

	if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
		bfad_ipfc_port_delete(bfad, port);
}

/**
 *  BFA callbacks
 */
void
bfad_hcb_comp(void *arg, bfa_status_t status)
{
	struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;

	fcomp->status = status;
	complete(&fcomp->comp);
}

/**
 * bfa_init callback
 */
void
bfa_cb_init(void *drv, bfa_status_t init_status)
{
	struct bfad_s  *bfad = drv;

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	if (init_status == BFA_STATUS_OK) {
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		bfad->bfad_flags |= BFAD_HAL_INIT_DONE;

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		/* If BFAD_HAL_INIT_FAIL flag is set:
		 * Wake up the kernel thread to start
		 * the bfad operations after HAL init done
		 */
		if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
			bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
			wake_up_process(bfad->bfad_tsk);
		}
	}

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	complete(&bfad->comp);
}



/**
 *  BFA_FCS callbacks
 */
static struct bfad_port_s *
bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv,
		  struct bfad_vport_s *vp_drv)
{
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	return (vp_drv) ? (&(vp_drv)->drv_port)
		: ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport));
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}

struct bfad_port_s *
bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port,
		 enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
		 struct bfad_vport_s *vp_drv)
{
	bfa_status_t    rc;
	struct bfad_port_s *port_drv;

	if (!vp_drv && !vf_drv) {
		port_drv = &bfad->pport;
		port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
	} else if (!vp_drv && vf_drv) {
		port_drv = &vf_drv->base_port;
		port_drv->pvb_type = BFAD_PORT_VF_BASE;
	} else if (vp_drv && !vf_drv) {
		port_drv = &vp_drv->drv_port;
		port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
	} else {
		port_drv = &vp_drv->drv_port;
		port_drv->pvb_type = BFAD_PORT_VF_VPORT;
	}

	port_drv->fcs_port = port;
	port_drv->roles = roles;
	rc = bfad_fc4_port_new(bfad, port_drv, roles);
	if (rc != BFA_STATUS_OK) {
		bfad_fc4_port_delete(bfad, port_drv, roles);
		port_drv = NULL;
	}

	return port_drv;
}

void
bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
		    struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
{
	struct bfad_port_s *port_drv;

	/*
	 * this will be only called from rmmod context
	 */
	if (vp_drv && !vp_drv->comp_del) {
		port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
		bfa_trc(bfad, roles);
		bfad_fc4_port_delete(bfad, port_drv, roles);
	}
}

void
bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
		    struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
{
	struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);

	if (roles & BFA_PORT_ROLE_FCP_IM)
		bfad_im_port_online(bfad, port_drv);

	if (roles & BFA_PORT_ROLE_FCP_TM)
		bfad_tm_port_online(bfad, port_drv);

	if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
		bfad_ipfc_port_online(bfad, port_drv);

	bfad->bfad_flags |= BFAD_PORT_ONLINE;
}

void
bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
		     struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
{
	struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);

	if (roles & BFA_PORT_ROLE_FCP_IM)
		bfad_im_port_offline(bfad, port_drv);

	if (roles & BFA_PORT_ROLE_FCP_TM)
		bfad_tm_port_offline(bfad, port_drv);

	if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
		bfad_ipfc_port_offline(bfad, port_drv);
}

void
bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
{
	if (vport_drv->comp_del) {
		complete(vport_drv->comp_del);
		return;
	}
}

/**
 * FCS RPORT alloc callback, after successful PLOGI by FCS
 */
bfa_status_t
bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
		    struct bfad_rport_s **rport_drv)
{
	bfa_status_t    rc = BFA_STATUS_OK;

	*rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
	if (*rport_drv == NULL) {
		rc = BFA_STATUS_ENOMEM;
		goto ext;
	}

	*rport = &(*rport_drv)->fcs_rport;

ext:
	return rc;
}

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/**
 * @brief
 * FCS PBC VPORT Create
 */
void
bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
{

	struct bfad_pcfg_s *pcfg;

	pcfg = kzalloc(sizeof(struct bfad_pcfg_s), GFP_ATOMIC);
	if (!pcfg) {
		bfa_trc(bfad, 0);
		return;
	}
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	pcfg->port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
	pcfg->port_cfg.pwwn = pbc_vport.vp_pwwn;
	pcfg->port_cfg.nwwn = pbc_vport.vp_nwwn;
	pcfg->port_cfg.preboot_vp  = BFA_TRUE;

	list_add_tail(&pcfg->list_entry, &bfad->pbc_pcfg_list);

	return;
}
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void
bfad_hal_mem_release(struct bfad_s *bfad)
{
	int             i;
	struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
	struct bfa_mem_elem_s *meminfo_elem;

	for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
		meminfo_elem = &hal_meminfo->meminfo[i];
		if (meminfo_elem->kva != NULL) {
			switch (meminfo_elem->mem_type) {
			case BFA_MEM_TYPE_KVA:
				vfree(meminfo_elem->kva);
				break;
			case BFA_MEM_TYPE_DMA:
				dma_free_coherent(&bfad->pcidev->dev,
						meminfo_elem->mem_len,
						meminfo_elem->kva,
						(dma_addr_t) meminfo_elem->dma);
				break;
			default:
				bfa_assert(0);
				break;
			}
		}
	}

	memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
}

void
bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
{
	if (num_rports > 0)
		bfa_cfg->fwcfg.num_rports = num_rports;
	if (num_ios > 0)
		bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
	if (num_tms > 0)
		bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
	if (num_fcxps > 0)
		bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
	if (num_ufbufs > 0)
		bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
	if (reqq_size > 0)
		bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
	if (rspq_size > 0)
		bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
	if (num_sgpgs > 0)
		bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;

	/*
	 * populate the hal values back to the driver for sysfs use.
	 * otherwise, the default values will be shown as 0 in sysfs
	 */
	num_rports = bfa_cfg->fwcfg.num_rports;
	num_ios    = bfa_cfg->fwcfg.num_ioim_reqs;
	num_tms	   = bfa_cfg->fwcfg.num_tskim_reqs;
	num_fcxps  = bfa_cfg->fwcfg.num_fcxp_reqs;
	num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
	reqq_size  = bfa_cfg->drvcfg.num_reqq_elems;
	rspq_size  = bfa_cfg->drvcfg.num_rspq_elems;
	num_sgpgs  = bfa_cfg->drvcfg.num_sgpgs;
}

bfa_status_t
bfad_hal_mem_alloc(struct bfad_s *bfad)
{
	struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
	struct bfa_mem_elem_s *meminfo_elem;
	bfa_status_t    rc = BFA_STATUS_OK;
	dma_addr_t      phys_addr;
	int             retry_count = 0;
	int             reset_value = 1;
	int             min_num_sgpgs = 512;
	void           *kva;
	int             i;

	bfa_cfg_get_default(&bfad->ioc_cfg);

retry:
	bfad_update_hal_cfg(&bfad->ioc_cfg);
	bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
	bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo);

	for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
		meminfo_elem = &hal_meminfo->meminfo[i];
		switch (meminfo_elem->mem_type) {
		case BFA_MEM_TYPE_KVA:
			kva = vmalloc(meminfo_elem->mem_len);
			if (kva == NULL) {
				bfad_hal_mem_release(bfad);
				rc = BFA_STATUS_ENOMEM;
				goto ext;
			}
			memset(kva, 0, meminfo_elem->mem_len);
			meminfo_elem->kva = kva;
			break;
		case BFA_MEM_TYPE_DMA:
			kva = dma_alloc_coherent(&bfad->pcidev->dev,
					meminfo_elem->mem_len,
					&phys_addr, GFP_KERNEL);
			if (kva == NULL) {
				bfad_hal_mem_release(bfad);
				/*
				 * If we cannot allocate with default
				 * num_sgpages try with half the value.
				 */
				if (num_sgpgs > min_num_sgpgs) {
					printk(KERN_INFO "bfad[%d]: memory"
						" allocation failed with"
						" num_sgpgs: %d\n",
						bfad->inst_no, num_sgpgs);
					nextLowerInt(&num_sgpgs);
					printk(KERN_INFO "bfad[%d]: trying to"
						" allocate memory with"
						" num_sgpgs: %d\n",
						bfad->inst_no, num_sgpgs);
					retry_count++;
					goto retry;
				} else {
					if (num_sgpgs_parm > 0)
						num_sgpgs = num_sgpgs_parm;
					else {
						reset_value =
							(1 << retry_count);
						num_sgpgs *= reset_value;
					}
					rc = BFA_STATUS_ENOMEM;
					goto ext;
				}
			}

			if (num_sgpgs_parm > 0)
				num_sgpgs = num_sgpgs_parm;
			else {
				reset_value = (1 << retry_count);
				num_sgpgs *= reset_value;
			}

			memset(kva, 0, meminfo_elem->mem_len);
			meminfo_elem->kva = kva;
			meminfo_elem->dma = phys_addr;
			break;
		default:
			break;

		}
	}
ext:
	return rc;
}

/**
 * Create a vport under a vf.
 */
bfa_status_t
bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
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			struct bfa_port_cfg_s *port_cfg, struct device *dev)
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{
	struct bfad_vport_s *vport;
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	int rc = BFA_STATUS_OK;
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	unsigned long   flags;
	struct completion fcomp;

	vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
	if (!vport) {
		rc = BFA_STATUS_ENOMEM;
		goto ext;
	}

	vport->drv_port.bfad = bfad;
	spin_lock_irqsave(&bfad->bfad_lock, flags);
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	if (port_cfg->preboot_vp == BFA_TRUE)
		rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport,
				&bfad->bfa_fcs, vf_id, port_cfg, vport);
	else
		rc = bfa_fcs_vport_create(&vport->fcs_vport,
				&bfad->bfa_fcs, vf_id, port_cfg, vport);
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	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (rc != BFA_STATUS_OK)
		goto ext_free_vport;

	if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) {
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		rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
							dev);
568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670
		if (rc != BFA_STATUS_OK)
			goto ext_free_fcs_vport;
	}

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	bfa_fcs_vport_start(&vport->fcs_vport);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	return BFA_STATUS_OK;

ext_free_fcs_vport:
	spin_lock_irqsave(&bfad->bfad_lock, flags);
	vport->comp_del = &fcomp;
	init_completion(vport->comp_del);
	bfa_fcs_vport_delete(&vport->fcs_vport);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	wait_for_completion(vport->comp_del);
ext_free_vport:
	kfree(vport);
ext:
	return rc;
}

/**
 * Create a vf and its base vport implicitely.
 */
bfa_status_t
bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
	       struct bfa_port_cfg_s *port_cfg)
{
	struct bfad_vf_s *vf;
	int             rc = BFA_STATUS_OK;

	vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL);
	if (!vf) {
		rc = BFA_STATUS_FAILED;
		goto ext;
	}

	rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg,
			       vf);
	if (rc != BFA_STATUS_OK)
		kfree(vf);
ext:
	return rc;
}

void
bfad_bfa_tmo(unsigned long data)
{
	struct bfad_s  *bfad = (struct bfad_s *)data;
	unsigned long   flags;
	struct list_head  doneq;

	spin_lock_irqsave(&bfad->bfad_lock, flags);

	bfa_timer_tick(&bfad->bfa);

	bfa_comp_deq(&bfad->bfa, &doneq);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (!list_empty(&doneq)) {
		bfa_comp_process(&bfad->bfa, &doneq);
		spin_lock_irqsave(&bfad->bfad_lock, flags);
		bfa_comp_free(&bfad->bfa, &doneq);
		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	}

	mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
}

void
bfad_init_timer(struct bfad_s *bfad)
{
	init_timer(&bfad->hal_tmo);
	bfad->hal_tmo.function = bfad_bfa_tmo;
	bfad->hal_tmo.data = (unsigned long)bfad;

	mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
}

int
bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
{
	int             rc = -ENODEV;

	if (pci_enable_device(pdev)) {
		BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev);
		goto out;
	}

	if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
		goto out_disable_device;

	pci_set_master(pdev);


	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
			BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev);
			goto out_release_region;
		}

671
	bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718

	if (bfad->pci_bar0_kva == NULL) {
		BFA_PRINTF(BFA_ERR, "Fail to map bar0\n");
		goto out_release_region;
	}

	bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
	bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
	bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
	bfad->hal_pcidev.device_id = pdev->device;
	bfad->pci_name = pci_name(pdev);

	bfad->pci_attr.vendor_id = pdev->vendor;
	bfad->pci_attr.device_id = pdev->device;
	bfad->pci_attr.ssid = pdev->subsystem_device;
	bfad->pci_attr.ssvid = pdev->subsystem_vendor;
	bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);

	bfad->pcidev = pdev;
	return 0;

out_release_region:
	pci_release_regions(pdev);
out_disable_device:
	pci_disable_device(pdev);
out:
	return rc;
}

void
bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
{
	pci_iounmap(pdev, bfad->pci_bar0_kva);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

void
bfad_fcs_port_cfg(struct bfad_s *bfad)
{
	struct bfa_port_cfg_s port_cfg;
	struct bfa_pport_attr_s attr;
	char            symname[BFA_SYMNAME_MAXLEN];

	sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no);
	memcpy(port_cfg.sym_name.symname, symname, strlen(symname));
719
	bfa_fcport_get_attr(&bfad->bfa, &attr);
720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750
	port_cfg.nwwn = attr.nwwn;
	port_cfg.pwwn = attr.pwwn;

	bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg);
}

bfa_status_t
bfad_drv_init(struct bfad_s *bfad)
{
	bfa_status_t    rc;
	unsigned long   flags;
	struct bfa_fcs_driver_info_s driver_info;

	bfad->cfg_data.rport_del_timeout = rport_del_timeout;
	bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
	bfad->cfg_data.io_max_sge = bfa_io_max_sge;
	bfad->cfg_data.binding_method = FCP_PWWN_BINDING;

	rc = bfad_hal_mem_alloc(bfad);
	if (rc != BFA_STATUS_OK) {
		printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
		       bfad->inst_no);
		printk(KERN_WARNING
			"Not enough memory to attach all Brocade HBA ports,"
			" System may need more memory.\n");
		goto out_hal_mem_alloc_failure;
	}

	bfa_init_log(&bfad->bfa, bfad->logmod);
	bfa_init_trc(&bfad->bfa, bfad->trcmod);
	bfa_init_aen(&bfad->bfa, bfad->aen);
751
	memset(bfad->file_map, 0, sizeof(bfad->file_map));
752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780
	bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
	bfa_plog_init(&bfad->plog_buf);
	bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
		     0, "Driver Attach");

	bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
		   &bfad->hal_pcidev);

	init_completion(&bfad->comp);

	/*
	 * Enable Interrupt and wait bfa_init completion
	 */
	if (bfad_setup_intr(bfad)) {
		printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
		       bfad->inst_no);
		goto out_setup_intr_failure;
	}

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	bfa_init(&bfad->bfa);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	/*
	 * Set up interrupt handler for each vectors
	 */
	if ((bfad->bfad_flags & BFAD_MSIX_ON)
	    && bfad_install_msix_handler(bfad)) {
		printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
781
		       __func__, bfad->inst_no);
782 783 784 785 786 787 788 789 790
	}

	bfad_init_timer(bfad);

	wait_for_completion(&bfad->comp);

	memset(&driver_info, 0, sizeof(driver_info));
	strncpy(driver_info.version, BFAD_DRIVER_VERSION,
		sizeof(driver_info.version) - 1);
791
	__kernel_param_lock();
792 793 794 795 796 797 798 799 800
	if (host_name)
		strncpy(driver_info.host_machine_name, host_name,
			sizeof(driver_info.host_machine_name) - 1);
	if (os_name)
		strncpy(driver_info.host_os_name, os_name,
			sizeof(driver_info.host_os_name) - 1);
	if (os_patch)
		strncpy(driver_info.host_os_patch, os_patch,
			sizeof(driver_info.host_os_patch) - 1);
801
	__kernel_param_unlock();
802 803 804 805 806 807 808 809 810 811 812

	strncpy(driver_info.os_device_name, bfad->pci_name,
		sizeof(driver_info.os_device_name - 1));

	/*
	 * FCS INIT
	 */
	spin_lock_irqsave(&bfad->bfad_lock, flags);
	bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
	bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
	bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
813
	bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
814 815 816 817 818 819 820

	/* Do FCS init only when HAL init is done */
	if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
		bfa_fcs_init(&bfad->bfa_fcs);
		bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
	}

821
	bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
822
	bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable);
823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
	return BFA_STATUS_OK;

out_setup_intr_failure:
	bfa_detach(&bfad->bfa);
	bfad_hal_mem_release(bfad);
out_hal_mem_alloc_failure:
	return BFA_STATUS_FAILED;
}

void
bfad_drv_uninit(struct bfad_s *bfad)
{
838 839 840 841 842 843 844 845
	unsigned long   flags;

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	init_completion(&bfad->comp);
	bfa_stop(&bfad->bfa);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	wait_for_completion(&bfad->comp);

846 847 848 849 850
	del_timer_sync(&bfad->hal_tmo);
	bfa_isr_disable(&bfad->bfa);
	bfa_detach(&bfad->bfa);
	bfad_remove_intr(bfad);
	bfad_hal_mem_release(bfad);
851 852

	bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903
}

void
bfad_drv_start(struct bfad_s *bfad)
{
	unsigned long   flags;

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	bfa_start(&bfad->bfa);
	bfa_fcs_start(&bfad->bfa_fcs);
	bfad->bfad_flags |= BFAD_HAL_START_DONE;
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	bfad_fc4_probe_post(bfad);
}

void
bfad_drv_stop(struct bfad_s *bfad)
{
	unsigned long   flags;

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	init_completion(&bfad->comp);
	bfad->pport.flags |= BFAD_PORT_DELETE;
	bfa_fcs_exit(&bfad->bfa_fcs);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	wait_for_completion(&bfad->comp);

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	init_completion(&bfad->comp);
	bfa_stop(&bfad->bfa);
	bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	wait_for_completion(&bfad->comp);
}

bfa_status_t
bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role)
{
	int             rc = BFA_STATUS_OK;

	/*
	 * Allocate scsi_host for the physical port
	 */
	if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
	    && (role & BFA_PORT_ROLE_FCP_IM)) {
		if (bfad->pport.im_port == NULL) {
			rc = BFA_STATUS_FAILED;
			goto out;
		}

904 905
		rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
						&bfad->pcidev->dev);
906 907 908 909 910 911
		if (rc != BFA_STATUS_OK)
			goto out;

		bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM;
	}

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Jing Huang 已提交
912 913 914 915
	/* Setup the debugfs node for this scsi_host */
	if (bfa_debugfs_enable)
		bfad_debugfs_init(&bfad->pport);

916 917 918 919 920 921 922 923 924
	bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;

out:
	return rc;
}

void
bfad_uncfg_pport(struct bfad_s *bfad)
{
J
Jing Huang 已提交
925 926 927 928
	 /* Remove the debugfs node for this scsi_host */
	kfree(bfad->regdata);
	bfad_debugfs_exit(&bfad->pport);

929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951
	if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) {
		bfad_ipfc_port_delete(bfad, &bfad->pport);
		bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
	}

	if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
	    && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) {
		bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
		bfad_im_port_clean(bfad->pport.im_port);
		kfree(bfad->pport.im_port);
		bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM;
	}

	bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
}

void
bfad_drv_log_level_set(struct bfad_s *bfad)
{
	if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX)
		bfa_log_set_level_all(&bfad->log_data, log_level);
}

952 953 954 955
bfa_status_t
bfad_start_ops(struct bfad_s *bfad)
{
	int retval;
J
Jing Huang 已提交
956
	struct bfad_pcfg_s *pcfg, *pcfg_new;
957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973

	/* PPORT FCS config */
	bfad_fcs_port_cfg(bfad);

	retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
	if (retval != BFA_STATUS_OK)
		goto out_cfg_pport_failure;

	/* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */
	retval = bfad_fc4_probe(bfad);
	if (retval != BFA_STATUS_OK) {
		printk(KERN_WARNING "bfad_fc4_probe failed\n");
		goto out_fc4_probe_failure;
	}

	bfad_drv_start(bfad);

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Jing Huang 已提交
974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994
	/* pbc vport creation */
	list_for_each_entry_safe(pcfg, pcfg_new,  &bfad->pbc_pcfg_list,
					list_entry) {
		struct fc_vport_identifiers vid;
		struct fc_vport *fc_vport;

		memset(&vid, 0, sizeof(vid));
		vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
		vid.vport_type = FC_PORTTYPE_NPIV;
		vid.disable = false;
		vid.node_name = wwn_to_u64((u8 *)&pcfg->port_cfg.nwwn);
		vid.port_name = wwn_to_u64((u8 *)&pcfg->port_cfg.pwwn);
		fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
		if (!fc_vport)
			printk(KERN_WARNING "bfad%d: failed to create pbc vport"
				" %llx\n", bfad->inst_no, vid.port_name);
		list_del(&pcfg->list_entry);
		kfree(pcfg);

	}

995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021
	/*
	 * If bfa_linkup_delay is set to -1 default; try to retrive the
	 * value using the bfad_os_get_linkup_delay(); else use the
	 * passed in module param value as the bfa_linkup_delay.
	 */
	if (bfa_linkup_delay < 0) {

		bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
		bfad_os_rport_online_wait(bfad);
		bfa_linkup_delay = -1;

	} else {
		bfad_os_rport_online_wait(bfad);
	}

	bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);

	return BFA_STATUS_OK;

out_fc4_probe_failure:
	bfad_fc4_probe_undo(bfad);
	bfad_uncfg_pport(bfad);
out_cfg_pport_failure:
	return BFA_STATUS_FAILED;
}

int
J
Jing Huang 已提交
1022
bfad_worker(void *ptr)
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053
{
	struct bfad_s *bfad;
	unsigned long   flags;

	bfad = (struct bfad_s *)ptr;

	while (!kthread_should_stop()) {

		/* Check if the FCS init is done from bfad_drv_init;
		 * if not done do FCS init and set the flag.
		 */
		if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) {
			spin_lock_irqsave(&bfad->bfad_lock, flags);
			bfa_fcs_init(&bfad->bfa_fcs);
			bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
			spin_unlock_irqrestore(&bfad->bfad_lock, flags);
		}

		/* Start the bfad operations after HAL init done */
		bfad_start_ops(bfad);

		spin_lock_irqsave(&bfad->bfad_lock, flags);
		bfad->bfad_tsk = NULL;
		spin_unlock_irqrestore(&bfad->bfad_lock, flags);

		break;
	}

	return 0;
}

1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095
 /*
  *  PCI_entry PCI driver entries * {
  */

/**
 * PCI probe entry.
 */
int
bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
{
	struct bfad_s  *bfad;
	int             error = -ENODEV, retval;

	/*
	 * For single port cards - only claim function 0
	 */
	if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P)
	    && (PCI_FUNC(pdev->devfn) != 0))
		return -ENODEV;

	BFA_TRACE(BFA_INFO, "bfad_pci_probe entry");

	bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
	if (!bfad) {
		error = -ENOMEM;
		goto out;
	}

	bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
	if (!bfad->trcmod) {
		printk(KERN_WARNING "Error alloc trace buffer!\n");
		error = -ENOMEM;
		goto out_alloc_trace_failure;
	}

	/*
	 * LOG/TRACE INIT
	 */
	bfa_trc_init(bfad->trcmod);
	bfa_trc(bfad, bfad_inst);

	bfad->logmod = &bfad->log_data;
1096
	bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf);
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124

	bfad_drv_log_level_set(bfad);

	bfad->aen = &bfad->aen_buf;

	if (!(bfad_load_fwimg(pdev))) {
		printk(KERN_WARNING "bfad_load_fwimg failure!\n");
		kfree(bfad->trcmod);
		goto out_alloc_trace_failure;
	}

	retval = bfad_pci_init(pdev, bfad);
	if (retval) {
		printk(KERN_WARNING "bfad_pci_init failure!\n");
		error = retval;
		goto out_pci_init_failure;
	}

	mutex_lock(&bfad_mutex);
	bfad->inst_no = bfad_inst++;
	list_add_tail(&bfad->list_entry, &bfad_list);
	mutex_unlock(&bfad_mutex);

	spin_lock_init(&bfad->bfad_lock);
	pci_set_drvdata(pdev, bfad);

	bfad->ref_count = 0;
	bfad->pport.bfad = bfad;
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Jing Huang 已提交
1125
	INIT_LIST_HEAD(&bfad->pbc_pcfg_list);
1126

1127 1128 1129 1130 1131 1132 1133 1134 1135
	bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s",
					"bfad_worker");
	if (IS_ERR(bfad->bfad_tsk)) {
		printk(KERN_INFO "bfad[%d]: Kernel thread"
			" creation failed!\n",
			bfad->inst_no);
		goto out_kthread_create_failure;
	}

1136 1137 1138 1139
	retval = bfad_drv_init(bfad);
	if (retval != BFA_STATUS_OK)
		goto out_drv_init_failure;
	if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
1140
		bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
1141 1142 1143 1144
		printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no);
		goto ok;
	}

1145
	retval = bfad_start_ops(bfad);
1146
	if (retval != BFA_STATUS_OK)
1147
		goto out_start_ops_failure;
1148

1149 1150
	kthread_stop(bfad->bfad_tsk);
	bfad->bfad_tsk = NULL;
1151 1152 1153 1154

ok:
	return 0;

1155
out_start_ops_failure:
1156 1157
	bfad_drv_uninit(bfad);
out_drv_init_failure:
1158 1159
	kthread_stop(bfad->bfad_tsk);
out_kthread_create_failure:
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	mutex_lock(&bfad_mutex);
	bfad_inst--;
	list_del(&bfad->list_entry);
	mutex_unlock(&bfad_mutex);
	bfad_pci_uninit(pdev, bfad);
out_pci_init_failure:
	kfree(bfad->trcmod);
out_alloc_trace_failure:
	kfree(bfad);
out:
	return error;
}

/**
 * PCI remove entry.
 */
void
bfad_pci_remove(struct pci_dev *pdev)
{
	struct bfad_s  *bfad = pci_get_drvdata(pdev);
	unsigned long   flags;

	bfa_trc(bfad, bfad->inst_no);

1184 1185 1186 1187 1188
	spin_lock_irqsave(&bfad->bfad_lock, flags);
	if (bfad->bfad_tsk != NULL)
		kthread_stop(bfad->bfad_tsk);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

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	if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
	    && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {

		spin_lock_irqsave(&bfad->bfad_lock, flags);
		init_completion(&bfad->comp);
		bfa_stop(&bfad->bfa);
		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
		wait_for_completion(&bfad->comp);

		bfad_remove_intr(bfad);
		del_timer_sync(&bfad->hal_tmo);
		goto hal_detach;
	} else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) {
		goto remove_sysfs;
	}

1205
	if (bfad->bfad_flags & BFAD_HAL_START_DONE) {
1206
		bfad_drv_stop(bfad);
1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217
	} else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) {
		/* Invoking bfa_stop() before bfa_detach
		 * when HAL and DRV init are success
		 * but HAL start did not occur.
		 */
		spin_lock_irqsave(&bfad->bfad_lock, flags);
		init_completion(&bfad->comp);
		bfa_stop(&bfad->bfa);
		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
		wait_for_completion(&bfad->comp);
	}
1218 1219 1220

	bfad_remove_intr(bfad);
	del_timer_sync(&bfad->hal_tmo);
1221 1222 1223

	if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE)
		bfad_fc4_probe_undo(bfad);
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	if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
		bfad_uncfg_pport(bfad);

hal_detach:
	spin_lock_irqsave(&bfad->bfad_lock, flags);
	bfa_detach(&bfad->bfa);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	bfad_hal_mem_release(bfad);
remove_sysfs:

	mutex_lock(&bfad_mutex);
	bfad_inst--;
	list_del(&bfad->list_entry);
	mutex_unlock(&bfad_mutex);
	bfad_pci_uninit(pdev, bfad);

	kfree(bfad->trcmod);
	kfree(bfad);
}


static struct pci_device_id bfad_id_table[] = {
	{
	 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
	 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
	 .subvendor = PCI_ANY_ID,
	 .subdevice = PCI_ANY_ID,
	 },
	{
	 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
	 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
	 .subvendor = PCI_ANY_ID,
	 .subdevice = PCI_ANY_ID,
	 },
	{
	 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
	 .device = BFA_PCI_DEVICE_ID_CT,
	 .subvendor = PCI_ANY_ID,
	 .subdevice = PCI_ANY_ID,
	 .class = (PCI_CLASS_SERIAL_FIBER << 8),
	 .class_mask = ~0,
	 },
J
Jing Huang 已提交
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	{
	 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
	 .device = BFA_PCI_DEVICE_ID_CT_FC,
	 .subvendor = PCI_ANY_ID,
	 .subdevice = PCI_ANY_ID,
	 .class = (PCI_CLASS_SERIAL_FIBER << 8),
	 .class_mask = ~0,
	},
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	{0, 0},
};

MODULE_DEVICE_TABLE(pci, bfad_id_table);

static struct pci_driver bfad_pci_driver = {
	.name = BFAD_DRIVER_NAME,
	.id_table = bfad_id_table,
	.probe = bfad_pci_probe,
	.remove = __devexit_p(bfad_pci_remove),
};

/**
 *  Linux driver module functions
 */
bfa_status_t
bfad_fc4_module_init(void)
{
	int             rc;

	rc = bfad_im_module_init();
	if (rc != BFA_STATUS_OK)
		goto ext;

	bfad_tm_module_init();
	if (ipfc_enable)
		bfad_ipfc_module_init();
ext:
	return rc;
}

void
bfad_fc4_module_exit(void)
{
	if (ipfc_enable)
		bfad_ipfc_module_exit();
	bfad_tm_module_exit();
	bfad_im_module_exit();
}

/**
 * Driver module init.
 */
static int      __init
bfad_init(void)
{
	int             error = 0;

	printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
	       BFAD_DRIVER_VERSION);

	if (num_sgpgs > 0)
		num_sgpgs_parm = num_sgpgs;

	error = bfad_fc4_module_init();
	if (error) {
		error = -ENOMEM;
		printk(KERN_WARNING "bfad_fc4_module_init failure\n");
		goto ext;
	}

	if (!strcmp(FCPI_NAME, " fcpim"))
		bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM;
	if (!strcmp(FCPT_NAME, " fcptm"))
		bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM;
	if (!strcmp(IPFC_NAME, " ipfc"))
		bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC;

	bfa_ioc_auto_recover(ioc_auto_recover);
	bfa_fcs_rport_set_del_timeout(rport_del_timeout);
	error = pci_register_driver(&bfad_pci_driver);

	if (error) {
		printk(KERN_WARNING "bfad pci_register_driver failure\n");
		goto ext;
	}

	return 0;

ext:
	bfad_fc4_module_exit();
	return error;
}

/**
 * Driver module exit.
 */
static void     __exit
bfad_exit(void)
{
	pci_unregister_driver(&bfad_pci_driver);
	bfad_fc4_module_exit();
	bfad_free_fwimg();
}

#define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME

module_init(bfad_init);
module_exit(bfad_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
MODULE_AUTHOR("Brocade Communications Systems, Inc.");
MODULE_VERSION(BFAD_DRIVER_VERSION);