[SCSI] bfa: Brocade BFA FC SCSI driver

Add new driver for Brocade Hardware
Signed-off-by: NJing Huang <huangj@brocade.com>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>

MAINTAINERS

@@ -1211,6 +1211,13 @@ L:	netdev@vger.kernel.org
 S:	Supported
 F:	drivers/net/tg3.*
 
+BROCADE BFA FC SCSI DRIVER
+P:      Jing Huang
+M:      huangj@brocade.com
+L:      linux-scsi@vger.kernel.org
+S:      Supported
+F:      drivers/scsi/bfa/
+
 BSG (block layer generic sg v4 driver)
 M:	FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
 L:	linux-scsi@vger.kernel.org

drivers/scsi/Kconfig

@@ -1827,6 +1827,16 @@ config SCSI_SRP
 	  To compile this driver as a module, choose M here: the
 	  module will be called libsrp.
 
+config SCSI_BFA_FC
+	tristate "Brocade BFA Fibre Channel Support"
+	depends on PCI && SCSI
+	select SCSI_FC_ATTRS
+	help
+	  This bfa driver supports all Brocade PCIe FC/FCOE host adapters.
+
+	  To compile this driver as a module, choose M here. The module will
+	  be called bfa.
+
 endif # SCSI_LOWLEVEL
 
 source "drivers/scsi/pcmcia/Kconfig"

drivers/scsi/Makefile

@@ -86,6 +86,7 @@ obj-$(CONFIG_SCSI_QLOGIC_1280)	+= qla1280.o
 obj-$(CONFIG_SCSI_QLA_FC)	+= qla2xxx/
 obj-$(CONFIG_SCSI_QLA_ISCSI)	+= qla4xxx/
 obj-$(CONFIG_SCSI_LPFC)		+= lpfc/
+obj-$(CONFIG_SCSI_BFA_FC)	+= bfa/
 obj-$(CONFIG_SCSI_PAS16)	+= pas16.o
 obj-$(CONFIG_SCSI_T128)		+= t128.o
 obj-$(CONFIG_SCSI_DMX3191D)	+= dmx3191d.o

drivers/scsi/bfa/Makefile

+obj-$(CONFIG_SCSI_BFA_FC) := bfa.o
+
+bfa-y := bfad.o bfad_intr.o bfad_os.o bfad_im.o bfad_attr.o bfad_fwimg.o
+
+bfa-y += bfa_core.o bfa_ioc.o bfa_iocfc.o bfa_fcxp.o bfa_lps.o
+bfa-y += bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o 
+bfa-y += bfa_fcport.o bfa_port.o bfa_uf.o bfa_sgpg.o bfa_module.o bfa_ioim.o
+bfa-y += bfa_itnim.o bfa_fcpim.o bfa_tskim.o bfa_log.o bfa_log_module.o
+bfa-y += bfa_csdebug.o bfa_sm.o plog.o
+
+bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o 
+bfa-y += bfa_fcs_uf.o bfa_fcs_lport.o fab.o fdmi.o ms.o ns.o scn.o loop.o
+bfa-y += lport_api.o n2n.o rport.o rport_api.o rport_ftrs.o vport.o
+
+ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna

drivers/scsi/bfa/bfa_callback_priv.h

+/*
+ * 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.
+ */
+
+#ifndef __BFA_CALLBACK_PRIV_H__
+#define __BFA_CALLBACK_PRIV_H__
+
+#include <cs/bfa_q.h>
+
+typedef void    (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+
+/**
+ * Generic BFA callback element.
+ */
+struct bfa_cb_qe_s {
+	struct list_head         qe;
+	bfa_cb_cbfn_t  cbfn;
+	bfa_boolean_t   once;
+	u32		rsvd;
+	void           *cbarg;
+};
+
+#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do {		\
+	(__hcb_qe)->cbfn  = (__cbfn);      \
+	(__hcb_qe)->cbarg = (__cbarg);      \
+	list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q);      \
+} while (0)
+
+#define bfa_cb_dequeue(__hcb_qe)	list_del(&(__hcb_qe)->qe)
+
+#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do {	\
+	(__hcb_qe)->cbfn  = (__cbfn);      \
+	(__hcb_qe)->cbarg = (__cbarg);      \
+	if (!(__hcb_qe)->once) {      \
+		list_add_tail((__hcb_qe), &(__bfa)->comp_q);      \
+		(__hcb_qe)->once = BFA_TRUE;				\
+	}								\
+} while (0)
+
+#define bfa_cb_queue_done(__hcb_qe) do {				\
+	(__hcb_qe)->once = BFA_FALSE;					\
+} while (0)
+
+#endif /* __BFA_CALLBACK_PRIV_H__ */

drivers/scsi/bfa/bfa_cb_ioim_macros.h

+/*
+ * 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.
+ */
+
+/**
+ *  bfa_cb_ioim_macros.h BFA IOIM driver interface macros.
+ */
+
+#ifndef __BFA_HCB_IOIM_MACROS_H__
+#define __BFA_HCB_IOIM_MACROS_H__
+
+#include <bfa_os_inc.h>
+/*
+ * #include <linux/dma-mapping.h>
+ *
+ * #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include
+ * <scsi/scsi_device.h> #include <scsi/scsi_host.h>
+ */
+#include "bfad_im_compat.h"
+
+/*
+ * task attribute values in FCP-2 FCP_CMND IU
+ */
+#define SIMPLE_Q    0
+#define HEAD_OF_Q   1
+#define ORDERED_Q   2
+#define ACA_Q       4
+#define UNTAGGED    5
+
+static inline lun_t
+bfad_int_to_lun(u32 luno)
+{
+	union {
+		u16        scsi_lun[4];
+		lun_t           bfa_lun;
+	} lun;
+
+	lun.bfa_lun     = 0;
+	lun.scsi_lun[0] = bfa_os_htons(luno);
+
+	return (lun.bfa_lun);
+}
+
+/**
+ * Get LUN for the I/O request
+ */
+#define bfa_cb_ioim_get_lun(__dio)	\
+	bfad_int_to_lun(((struct scsi_cmnd *)__dio)->device->lun)
+
+/**
+ * Get CDB for the I/O request
+ */
+static inline u8 *
+bfa_cb_ioim_get_cdb(struct bfad_ioim_s *dio)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+
+	return ((u8 *) cmnd->cmnd);
+}
+
+/**
+ * Get I/O direction (read/write) for the I/O request
+ */
+static inline enum fcp_iodir
+bfa_cb_ioim_get_iodir(struct bfad_ioim_s *dio)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+	enum dma_data_direction dmadir;
+
+	dmadir = cmnd->sc_data_direction;
+	if (dmadir == DMA_TO_DEVICE)
+		return FCP_IODIR_WRITE;
+	else if (dmadir == DMA_FROM_DEVICE)
+		return FCP_IODIR_READ;
+	else
+		return FCP_IODIR_NONE;
+}
+
+/**
+ * Get IO size in bytes for the I/O request
+ */
+static inline u32
+bfa_cb_ioim_get_size(struct bfad_ioim_s *dio)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+
+	return (scsi_bufflen(cmnd));
+}
+
+/**
+ * Get timeout for the I/O request
+ */
+static inline u8
+bfa_cb_ioim_get_timeout(struct bfad_ioim_s *dio)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+	/*
+	 * TBD: need a timeout for scsi passthru
+	 */
+	if (cmnd->device->host == NULL)
+		return 4;
+
+	return 0;
+}
+
+/**
+ * Get SG element for the I/O request given the SG element index
+ */
+static inline union bfi_addr_u
+bfa_cb_ioim_get_sgaddr(struct bfad_ioim_s *dio, int sgeid)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+	struct scatterlist *sge;
+	u64        addr;
+
+	sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid;
+	addr = (u64) sg_dma_address(sge);
+
+	return (*(union bfi_addr_u *) &addr);
+}
+
+static inline u32
+bfa_cb_ioim_get_sglen(struct bfad_ioim_s *dio, int sgeid)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+	struct scatterlist *sge;
+	u32        len;
+
+	sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid;
+	len = sg_dma_len(sge);
+
+	return len;
+}
+
+/**
+ * Get Command Reference Number for the I/O request. 0 if none.
+ */
+static inline u8
+bfa_cb_ioim_get_crn(struct bfad_ioim_s *dio)
+{
+	return 0;
+}
+
+/**
+ * Get SAM-3 priority for the I/O request. 0 is default.
+ */
+static inline u8
+bfa_cb_ioim_get_priority(struct bfad_ioim_s *dio)
+{
+	return 0;
+}
+
+/**
+ * Get task attributes for the I/O request. Default is FCP_TASK_ATTR_SIMPLE(0).
+ */
+static inline u8
+bfa_cb_ioim_get_taskattr(struct bfad_ioim_s *dio)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+	u8         task_attr = UNTAGGED;
+
+	if (cmnd->device->tagged_supported) {
+		switch (cmnd->tag) {
+		case HEAD_OF_QUEUE_TAG:
+			task_attr = HEAD_OF_Q;
+			break;
+		case ORDERED_QUEUE_TAG:
+			task_attr = ORDERED_Q;
+			break;
+		default:
+			task_attr = SIMPLE_Q;
+			break;
+		}
+	}
+
+	return task_attr;
+}
+
+/**
+ * Get CDB length in bytes for the I/O request. Default is FCP_CMND_CDB_LEN(16).
+ */
+static inline u8
+bfa_cb_ioim_get_cdblen(struct bfad_ioim_s *dio)
+{
+	struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
+
+	return (cmnd->cmd_len);
+}
+
+
+
+#endif /* __BFA_HCB_IOIM_MACROS_H__ */

drivers/scsi/bfa/bfa_cee.c

+/*
+ * 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.
+ */
+
+#include <defs/bfa_defs_cee.h>
+#include <cs/bfa_trc.h>
+#include <cs/bfa_log.h>
+#include <cs/bfa_debug.h>
+#include <cee/bfa_cee.h>
+#include <bfi/bfi_cee.h>
+#include <bfi/bfi.h>
+#include <bfa_ioc.h>
+#include <cna/bfa_cna_trcmod.h>
+
+BFA_TRC_FILE(CNA, CEE);
+
+#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
+#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc)
+
+static void     bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg);
+static void     bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s
+					   *dcbcx_stats);
+static void     bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s
+					  *lldp_stats);
+static void     bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats);
+static void     bfa_cee_format_cee_cfg(void *buffer);
+static void     bfa_cee_format_cee_stats(void *buffer);
+
+static void
+bfa_cee_format_cee_stats(void *buffer)
+{
+	struct bfa_cee_stats_s *cee_stats = buffer;
+	bfa_cee_format_dcbcx_stats(&cee_stats->dcbx_stats);
+	bfa_cee_format_lldp_stats(&cee_stats->lldp_stats);
+	bfa_cee_format_cfg_stats(&cee_stats->cfg_stats);
+}
+
+static void
+bfa_cee_format_cee_cfg(void *buffer)
+{
+	struct bfa_cee_attr_s *cee_cfg = buffer;
+	bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote);
+}
+
+static void
+bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s *dcbcx_stats)
+{
+	dcbcx_stats->subtlvs_unrecognized =
+		bfa_os_ntohl(dcbcx_stats->subtlvs_unrecognized);
+	dcbcx_stats->negotiation_failed =
+		bfa_os_ntohl(dcbcx_stats->negotiation_failed);
+	dcbcx_stats->remote_cfg_changed =
+		bfa_os_ntohl(dcbcx_stats->remote_cfg_changed);
+	dcbcx_stats->tlvs_received = bfa_os_ntohl(dcbcx_stats->tlvs_received);
+	dcbcx_stats->tlvs_invalid = bfa_os_ntohl(dcbcx_stats->tlvs_invalid);
+	dcbcx_stats->seqno = bfa_os_ntohl(dcbcx_stats->seqno);
+	dcbcx_stats->ackno = bfa_os_ntohl(dcbcx_stats->ackno);
+	dcbcx_stats->recvd_seqno = bfa_os_ntohl(dcbcx_stats->recvd_seqno);
+	dcbcx_stats->recvd_ackno = bfa_os_ntohl(dcbcx_stats->recvd_ackno);
+}
+
+static void
+bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s *lldp_stats)
+{
+	lldp_stats->frames_transmitted =
+		bfa_os_ntohl(lldp_stats->frames_transmitted);
+	lldp_stats->frames_aged_out = bfa_os_ntohl(lldp_stats->frames_aged_out);
+	lldp_stats->frames_discarded =
+		bfa_os_ntohl(lldp_stats->frames_discarded);
+	lldp_stats->frames_in_error = bfa_os_ntohl(lldp_stats->frames_in_error);
+	lldp_stats->frames_rcvd = bfa_os_ntohl(lldp_stats->frames_rcvd);
+	lldp_stats->tlvs_discarded = bfa_os_ntohl(lldp_stats->tlvs_discarded);
+	lldp_stats->tlvs_unrecognized =
+		bfa_os_ntohl(lldp_stats->tlvs_unrecognized);
+}
+
+static void
+bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats)
+{
+	cfg_stats->cee_status_down = bfa_os_ntohl(cfg_stats->cee_status_down);
+	cfg_stats->cee_status_up = bfa_os_ntohl(cfg_stats->cee_status_up);
+	cfg_stats->cee_hw_cfg_changed =
+		bfa_os_ntohl(cfg_stats->cee_hw_cfg_changed);
+	cfg_stats->recvd_invalid_cfg =
+		bfa_os_ntohl(cfg_stats->recvd_invalid_cfg);
+}
+
+static void
+bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg)
+{
+	lldp_cfg->time_to_interval = bfa_os_ntohs(lldp_cfg->time_to_interval);
+	lldp_cfg->enabled_system_cap =
+		bfa_os_ntohs(lldp_cfg->enabled_system_cap);
+}
+
+/**
+ * bfa_cee_attr_meminfo()
+ *
+ *
+ * @param[in] void
+ *
+ * @return Size of DMA region
+ */
+static          u32
+bfa_cee_attr_meminfo(void)
+{
+	return BFA_ROUNDUP(sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ);
+}
+
+/**
+ * bfa_cee_stats_meminfo()
+ *
+ *
+ * @param[in] void
+ *
+ * @return Size of DMA region
+ */
+static          u32
+bfa_cee_stats_meminfo(void)
+{
+	return BFA_ROUNDUP(sizeof(struct bfa_cee_stats_s), BFA_DMA_ALIGN_SZ);
+}
+
+/**
+ * bfa_cee_get_attr_isr()
+ *
+ *
+ * @param[in] cee - Pointer to the CEE module
+ *            status - Return status from the f/w
+ *
+ * @return void
+ */
+static void
+bfa_cee_get_attr_isr(struct bfa_cee_s *cee, bfa_status_t status)
+{
+	cee->get_attr_status = status;
+	bfa_trc(cee, 0);
+	if (status == BFA_STATUS_OK) {
+		bfa_trc(cee, 0);
+		/*
+		 * The requested data has been copied to the DMA area, *process
+		 * it.
+		 */
+		memcpy(cee->attr, cee->attr_dma.kva,
+		       sizeof(struct bfa_cee_attr_s));
+		bfa_cee_format_cee_cfg(cee->attr);
+	}
+	cee->get_attr_pending = BFA_FALSE;
+	if (cee->cbfn.get_attr_cbfn) {
+		bfa_trc(cee, 0);
+		cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status);
+	}
+	bfa_trc(cee, 0);
+}
+
+/**
+ * bfa_cee_get_attr_isr()
+ *
+ *
+ * @param[in] cee - Pointer to the CEE module
+ *            status - Return status from the f/w
+ *
+ * @return void
+ */
+static void
+bfa_cee_get_stats_isr(struct bfa_cee_s *cee, bfa_status_t status)
+{
+	cee->get_stats_status = status;
+	bfa_trc(cee, 0);
+	if (status == BFA_STATUS_OK) {
+		bfa_trc(cee, 0);
+		/*
+		 * The requested data has been copied to the DMA area, process
+		 * it.
+		 */
+		memcpy(cee->stats, cee->stats_dma.kva,
+		       sizeof(struct bfa_cee_stats_s));
+		bfa_cee_format_cee_stats(cee->stats);
+	}
+	cee->get_stats_pending = BFA_FALSE;
+	bfa_trc(cee, 0);
+	if (cee->cbfn.get_stats_cbfn) {
+		bfa_trc(cee, 0);
+		cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status);
+	}
+	bfa_trc(cee, 0);
+}
+
+/**
+ * bfa_cee_get_attr_isr()
+ *
+ *
+ * @param[in] cee - Pointer to the CEE module
+ *            status - Return status from the f/w
+ *
+ * @return void
+ */
+static void
+bfa_cee_reset_stats_isr(struct bfa_cee_s *cee, bfa_status_t status)
+{
+	cee->reset_stats_status = status;
+	cee->reset_stats_pending = BFA_FALSE;
+	if (cee->cbfn.reset_stats_cbfn)
+		cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status);
+}
+
+/**
+ * bfa_cee_meminfo()
+ *
+ *
+ * @param[in] void
+ *
+ * @return Size of DMA region
+ */
+u32
+bfa_cee_meminfo(void)
+{
+	return (bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo());
+}
+
+/**
+ * bfa_cee_mem_claim()
+ *
+ *
+ * @param[in] cee CEE module pointer
+ * 	      dma_kva Kernel Virtual Address of CEE DMA Memory
+ * 	      dma_pa  Physical Address of CEE DMA Memory
+ *
+ * @return void
+ */
+void
+bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, u64 dma_pa)
+{
+	cee->attr_dma.kva = dma_kva;
+	cee->attr_dma.pa = dma_pa;
+	cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo();
+	cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo();
+	cee->attr = (struct bfa_cee_attr_s *)dma_kva;
+	cee->stats =
+		(struct bfa_cee_stats_s *)(dma_kva + bfa_cee_attr_meminfo());
+}
+
+/**
+ * bfa_cee_get_attr()
+ *
+ *   Send the request to the f/w to fetch CEE attributes.
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return Status
+ */
+
+bfa_status_t
+bfa_cee_get_attr(struct bfa_cee_s *cee, struct bfa_cee_attr_s *attr,
+		 bfa_cee_get_attr_cbfn_t cbfn, void *cbarg)
+{
+	struct bfi_cee_get_req_s *cmd;
+
+	bfa_assert((cee != NULL) && (cee->ioc != NULL));
+	bfa_trc(cee, 0);
+	if (!bfa_ioc_is_operational(cee->ioc)) {
+		bfa_trc(cee, 0);
+		return BFA_STATUS_IOC_FAILURE;
+	}
+	if (cee->get_attr_pending == BFA_TRUE) {
+		bfa_trc(cee, 0);
+		return BFA_STATUS_DEVBUSY;
+	}
+	cee->get_attr_pending = BFA_TRUE;
+	cmd = (struct bfi_cee_get_req_s *)cee->get_cfg_mb.msg;
+	cee->attr = attr;
+	cee->cbfn.get_attr_cbfn = cbfn;
+	cee->cbfn.get_attr_cbarg = cbarg;
+	bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ,
+		    bfa_ioc_portid(cee->ioc));
+	bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa);
+	bfa_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb);
+	bfa_trc(cee, 0);
+
+	return BFA_STATUS_OK;
+}
+
+/**
+ * bfa_cee_get_stats()
+ *
+ *   Send the request to the f/w to fetch CEE statistics.
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return Status
+ */
+
+bfa_status_t
+bfa_cee_get_stats(struct bfa_cee_s *cee, struct bfa_cee_stats_s *stats,
+		  bfa_cee_get_stats_cbfn_t cbfn, void *cbarg)
+{
+	struct bfi_cee_get_req_s *cmd;
+
+	bfa_assert((cee != NULL) && (cee->ioc != NULL));
+
+	if (!bfa_ioc_is_operational(cee->ioc)) {
+		bfa_trc(cee, 0);
+		return BFA_STATUS_IOC_FAILURE;
+	}
+	if (cee->get_stats_pending == BFA_TRUE) {
+		bfa_trc(cee, 0);
+		return BFA_STATUS_DEVBUSY;
+	}
+	cee->get_stats_pending = BFA_TRUE;
+	cmd = (struct bfi_cee_get_req_s *)cee->get_stats_mb.msg;
+	cee->stats = stats;
+	cee->cbfn.get_stats_cbfn = cbfn;
+	cee->cbfn.get_stats_cbarg = cbarg;
+	bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_STATS_REQ,
+		    bfa_ioc_portid(cee->ioc));
+	bfa_dma_be_addr_set(cmd->dma_addr, cee->stats_dma.pa);
+	bfa_ioc_mbox_queue(cee->ioc, &cee->get_stats_mb);
+	bfa_trc(cee, 0);
+
+	return BFA_STATUS_OK;
+}
+
+/**
+ * bfa_cee_reset_stats()
+ *
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return Status
+ */
+
+bfa_status_t
+bfa_cee_reset_stats(struct bfa_cee_s *cee, bfa_cee_reset_stats_cbfn_t cbfn,
+		    void *cbarg)
+{
+	struct bfi_cee_reset_stats_s *cmd;
+
+	bfa_assert((cee != NULL) && (cee->ioc != NULL));
+	if (!bfa_ioc_is_operational(cee->ioc)) {
+		bfa_trc(cee, 0);
+		return BFA_STATUS_IOC_FAILURE;
+	}
+	if (cee->reset_stats_pending == BFA_TRUE) {
+		bfa_trc(cee, 0);
+		return BFA_STATUS_DEVBUSY;
+	}
+	cee->reset_stats_pending = BFA_TRUE;
+	cmd = (struct bfi_cee_reset_stats_s *)cee->reset_stats_mb.msg;
+	cee->cbfn.reset_stats_cbfn = cbfn;
+	cee->cbfn.reset_stats_cbarg = cbarg;
+	bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_RESET_STATS,
+		    bfa_ioc_portid(cee->ioc));
+	bfa_ioc_mbox_queue(cee->ioc, &cee->reset_stats_mb);
+	bfa_trc(cee, 0);
+	return BFA_STATUS_OK;
+}
+
+/**
+ * bfa_cee_isrs()
+ *
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return void
+ */
+
+void
+bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m)
+{
+	union bfi_cee_i2h_msg_u *msg;
+	struct bfi_cee_get_rsp_s *get_rsp;
+	struct bfa_cee_s *cee = (struct bfa_cee_s *)cbarg;
+	msg = (union bfi_cee_i2h_msg_u *)m;
+	get_rsp = (struct bfi_cee_get_rsp_s *)m;
+	bfa_trc(cee, msg->mh.msg_id);
+	switch (msg->mh.msg_id) {
+	case BFI_CEE_I2H_GET_CFG_RSP:
+		bfa_trc(cee, get_rsp->cmd_status);
+		bfa_cee_get_attr_isr(cee, get_rsp->cmd_status);
+		break;
+	case BFI_CEE_I2H_GET_STATS_RSP:
+		bfa_cee_get_stats_isr(cee, get_rsp->cmd_status);
+		break;
+	case BFI_CEE_I2H_RESET_STATS_RSP:
+		bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status);
+		break;
+	default:
+		bfa_assert(0);
+	}
+}
+
+/**
+ * bfa_cee_hbfail()
+ *
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return void
+ */
+
+void
+bfa_cee_hbfail(void *arg)
+{
+	struct bfa_cee_s *cee;
+	cee = (struct bfa_cee_s *)arg;
+
+	if (cee->get_attr_pending == BFA_TRUE) {
+		cee->get_attr_status = BFA_STATUS_FAILED;
+		cee->get_attr_pending = BFA_FALSE;
+		if (cee->cbfn.get_attr_cbfn) {
+			cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg,
+						BFA_STATUS_FAILED);
+		}
+	}
+	if (cee->get_stats_pending == BFA_TRUE) {
+		cee->get_stats_status = BFA_STATUS_FAILED;
+		cee->get_stats_pending = BFA_FALSE;
+		if (cee->cbfn.get_stats_cbfn) {
+			cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg,
+						 BFA_STATUS_FAILED);
+		}
+	}
+	if (cee->reset_stats_pending == BFA_TRUE) {
+		cee->reset_stats_status = BFA_STATUS_FAILED;
+		cee->reset_stats_pending = BFA_FALSE;
+		if (cee->cbfn.reset_stats_cbfn) {
+			cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg,
+						   BFA_STATUS_FAILED);
+		}
+	}
+}
+
+/**
+ * bfa_cee_attach()
+ *
+ *
+ * @param[in] cee - Pointer to the CEE module data structure
+ *            ioc - Pointer to the ioc module data structure
+ *            dev - Pointer to the device driver module data structure
+ *                  The device driver specific mbox ISR functions have
+ *                  this pointer as one of the parameters.
+ *            trcmod -
+ *            logmod -
+ *
+ * @return void
+ */
+void
+bfa_cee_attach(struct bfa_cee_s *cee, struct bfa_ioc_s *ioc, void *dev,
+	       struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod)
+{
+	bfa_assert(cee != NULL);
+	cee->dev = dev;
+	cee->trcmod = trcmod;
+	cee->logmod = logmod;
+	cee->ioc = ioc;
+
+	bfa_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee);
+	bfa_ioc_hbfail_init(&cee->hbfail, bfa_cee_hbfail, cee);
+	bfa_ioc_hbfail_register(cee->ioc, &cee->hbfail);
+	bfa_trc(cee, 0);
+}
+
+/**
+ * bfa_cee_detach()
+ *
+ *
+ * @param[in] cee - Pointer to the CEE module data structure
+ *
+ * @return void
+ */
+void
+bfa_cee_detach(struct bfa_cee_s *cee)
+{
+	/*
+	 * For now, just check if there is some ioctl pending and mark that as
+	 * failed?
+	 */
+	/* bfa_cee_hbfail(cee); */
+}

drivers/scsi/bfa/bfa_core.c

+/*
+ * 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.
+ */
+
+#include <bfa.h>
+#include <defs/bfa_defs_pci.h>
+#include <cs/bfa_debug.h>
+#include <bfa_iocfc.h>
+
+#define DEF_CFG_NUM_FABRICS         1
+#define DEF_CFG_NUM_LPORTS          256
+#define DEF_CFG_NUM_CQS             4
+#define DEF_CFG_NUM_IOIM_REQS       (BFA_IOIM_MAX)
+#define DEF_CFG_NUM_TSKIM_REQS      128
+#define DEF_CFG_NUM_FCXP_REQS       64
+#define DEF_CFG_NUM_UF_BUFS         64
+#define DEF_CFG_NUM_RPORTS          1024
+#define DEF_CFG_NUM_ITNIMS          (DEF_CFG_NUM_RPORTS)
+#define DEF_CFG_NUM_TINS            256
+
+#define DEF_CFG_NUM_SGPGS           2048
+#define DEF_CFG_NUM_REQQ_ELEMS      256
+#define DEF_CFG_NUM_RSPQ_ELEMS      64
+#define DEF_CFG_NUM_SBOOT_TGTS      16
+#define DEF_CFG_NUM_SBOOT_LUNS      16
+
+/**
+ * Use this function query the memory requirement of the BFA library.
+ * This function needs to be called before bfa_attach() to get the
+ * memory required of the BFA layer for a given driver configuration.
+ *
+ * This call will fail, if the cap is out of range compared to pre-defined
+ * values within the BFA library
+ *
+ * @param[in] cfg - 	pointer to bfa_ioc_cfg_t. Driver layer should indicate
+ * 			its configuration in this structure.
+ *			The default values for struct bfa_iocfc_cfg_s can be
+ *			fetched using bfa_cfg_get_default() API.
+ *
+ * 			If cap's boundary check fails, the library will use
+ *			the default bfa_cap_t values (and log a warning msg).
+ *
+ * @param[out] meminfo - pointer to bfa_meminfo_t. This content
+ * 			indicates the memory type (see bfa_mem_type_t) and
+ *			amount of memory required.
+ *
+ *			Driver should allocate the memory, populate the
+ *			starting address for each block and provide the same
+ *			structure as input parameter to bfa_attach() call.
+ *
+ * @return void
+ *
+ * Special Considerations: @note
+ */
+void
+bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo)
+{
+	int             i;
+	u32        km_len = 0, dm_len = 0;
+
+	bfa_assert((cfg != NULL) && (meminfo != NULL));
+
+	bfa_os_memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s));
+	meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_type =
+		BFA_MEM_TYPE_KVA;
+	meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_type =
+		BFA_MEM_TYPE_DMA;
+
+	bfa_iocfc_meminfo(cfg, &km_len, &dm_len);
+
+	for (i = 0; hal_mods[i]; i++)
+		hal_mods[i]->meminfo(cfg, &km_len, &dm_len);
+
+
+	meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_len = km_len;
+	meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len;
+}
+
+/**
+ * Use this function to do attach the driver instance with the BFA
+ * library. This function will not trigger any HW initialization
+ * process (which will be done in bfa_init() call)
+ *
+ * This call will fail, if the cap is out of range compared to
+ * pre-defined values within the BFA library
+ *
+ * @param[out]	bfa	Pointer to bfa_t.
+ * @param[in]	bfad 	Opaque handle back to the driver's IOC structure
+ * @param[in]	cfg	Pointer to bfa_ioc_cfg_t. Should be same structure
+ * 			that was used in bfa_cfg_get_meminfo().
+ * @param[in] 	meminfo Pointer to bfa_meminfo_t. The driver should
+ * 			use the bfa_cfg_get_meminfo() call to
+ * 			find the memory blocks required, allocate the
+ * 			required memory and provide the starting addresses.
+ * @param[in] 	pcidev	pointer to struct bfa_pcidev_s
+ *
+ * @return
+ * void
+ *
+ * Special Considerations:
+ *
+ * @note
+ *
+ */
+void
+bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+	       struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
+{
+	int             i;
+	struct bfa_mem_elem_s *melem;
+
+	bfa->fcs = BFA_FALSE;
+
+	bfa_assert((cfg != NULL) && (meminfo != NULL));
+
+	/**
+	 * initialize all memory pointers for iterative allocation
+	 */
+	for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
+		melem = meminfo->meminfo + i;
+		melem->kva_curp = melem->kva;
+		melem->dma_curp = melem->dma;
+	}
+
+	bfa_iocfc_attach(bfa, bfad, cfg, meminfo, pcidev);
+
+	for (i = 0; hal_mods[i]; i++)
+		hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev);
+
+}
+
+/**
+ * Use this function to delete a BFA IOC. IOC should be stopped (by
+ * calling bfa_stop()) before this function call.
+ *
+ * @param[in] bfa - pointer to bfa_t.
+ *
+ * @return
+ * void
+ *
+ * Special Considerations:
+ *
+ * @note
+ */
+void
+bfa_detach(struct bfa_s *bfa)
+{
+	int	i;
+
+	for (i = 0; hal_mods[i]; i++)
+		hal_mods[i]->detach(bfa);
+
+	bfa_iocfc_detach(bfa);
+}
+
+
+void
+bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod)
+{
+	bfa->trcmod = trcmod;
+}
+
+
+void
+bfa_init_log(struct bfa_s *bfa, struct bfa_log_mod_s *logmod)
+{
+	bfa->logm = logmod;
+}
+
+
+void
+bfa_init_aen(struct bfa_s *bfa, struct bfa_aen_s *aen)
+{
+	bfa->aen = aen;
+}
+
+void
+bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog)
+{
+	bfa->plog = plog;
+}
+
+/**
+ * Initialize IOC.
+ *
+ * This function will return immediately, when the IOC initialization is
+ * completed, the bfa_cb_init() will be called.
+ *
+ * @param[in]	bfa	instance
+ *
+ * @return void
+ *
+ * Special Considerations:
+ *
+ * @note
+ * When this function returns, the driver should register the interrupt service
+ * routine(s) and enable the device interrupts. If this is not done,
+ * bfa_cb_init() will never get called
+ */
+void
+bfa_init(struct bfa_s *bfa)
+{
+	bfa_iocfc_init(bfa);
+}
+
+/**
+ * Use this function initiate the IOC configuration setup. This function
+ * will return immediately.
+ *
+ * @param[in]	bfa	instance
+ *
+ * @return None
+ */
+void
+bfa_start(struct bfa_s *bfa)
+{
+	bfa_iocfc_start(bfa);
+}
+
+/**
+ * Use this function quiese the IOC. This function will return immediately,
+ * when the IOC is actually stopped, the bfa_cb_stop() will be called.
+ *
+ * @param[in] 	bfa - pointer to bfa_t.
+ *
+ * @return None
+ *
+ * Special Considerations:
+ * bfa_cb_stop() could be called before or after bfa_stop() returns.
+ *
+ * @note
+ * In case of any failure, we could handle it automatically by doing a
+ * reset and then succeed the bfa_stop() call.
+ */
+void
+bfa_stop(struct bfa_s *bfa)
+{
+	bfa_iocfc_stop(bfa);
+}
+
+void
+bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q)
+{
+	INIT_LIST_HEAD(comp_q);
+	list_splice_tail_init(&bfa->comp_q, comp_q);
+}
+
+void
+bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
+{
+	struct list_head        *qe;
+	struct list_head        *qen;
+	struct bfa_cb_qe_s   *hcb_qe;
+
+	list_for_each_safe(qe, qen, comp_q) {
+		hcb_qe = (struct bfa_cb_qe_s *) qe;
+		hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
+	}
+}
+
+void
+bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q)
+{
+	struct list_head        *qe;
+	struct bfa_cb_qe_s   *hcb_qe;
+
+	while (!list_empty(comp_q)) {
+		bfa_q_deq(comp_q, &qe);
+		hcb_qe = (struct bfa_cb_qe_s *) qe;
+		hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE);
+	}
+}
+
+void
+bfa_attach_fcs(struct bfa_s *bfa)
+{
+	bfa->fcs = BFA_TRUE;
+}
+
+/**
+ * Periodic timer heart beat from driver
+ */
+void
+bfa_timer_tick(struct bfa_s *bfa)
+{
+	bfa_timer_beat(&bfa->timer_mod);
+}
+
+#ifndef BFA_BIOS_BUILD
+/**
+ * Return the list of PCI vendor/device id lists supported by this
+ * BFA instance.
+ */
+void
+bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
+{
+	static struct bfa_pciid_s __pciids[] = {
+		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P},
+		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P},
+		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT},
+	};
+
+	*npciids = sizeof(__pciids) / sizeof(__pciids[0]);
+	*pciids = __pciids;
+}
+
+/**
+ * Use this function query the default struct bfa_iocfc_cfg_s value (compiled
+ * into BFA layer). The OS driver can then turn back and overwrite entries that
+ * have been configured by the user.
+ *
+ * @param[in] cfg - pointer to bfa_ioc_cfg_t
+ *
+ * @return
+ *	void
+ *
+ * Special Considerations:
+ * 	note
+ */
+void
+bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg)
+{
+	cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS;
+	cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS;
+	cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS;
+	cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS;
+	cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS;
+	cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS;
+	cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS;
+	cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS;
+
+	cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS;
+	cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS;
+	cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS;
+	cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS;
+	cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS;
+	cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF;
+	cfg->drvcfg.ioc_recover = BFA_FALSE;
+	cfg->drvcfg.delay_comp = BFA_FALSE;
+
+}
+
+void
+bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg)
+{
+	bfa_cfg_get_default(cfg);
+	cfg->fwcfg.num_ioim_reqs   = BFA_IOIM_MIN;
+	cfg->fwcfg.num_tskim_reqs  = BFA_TSKIM_MIN;
+	cfg->fwcfg.num_fcxp_reqs   = BFA_FCXP_MIN;
+	cfg->fwcfg.num_uf_bufs     = BFA_UF_MIN;
+	cfg->fwcfg.num_rports      = BFA_RPORT_MIN;
+
+	cfg->drvcfg.num_sgpgs      = BFA_SGPG_MIN;
+	cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN;
+	cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN;
+	cfg->drvcfg.min_cfg        = BFA_TRUE;
+}
+
+void
+bfa_get_attr(struct bfa_s *bfa, struct bfa_ioc_attr_s *ioc_attr)
+{
+	bfa_ioc_get_attr(&bfa->ioc, ioc_attr);
+}
+
+/**
+ * Retrieve firmware trace information on IOC failure.
+ */
+bfa_status_t
+bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen)
+{
+	return bfa_ioc_debug_fwsave(&bfa->ioc, trcdata, trclen);
+}
+
+/**
+ * 		Fetch firmware trace data.
+ *
+ * @param[in]		bfa			BFA instance
+ * @param[out]		trcdata		Firmware trace buffer
+ * @param[in,out]	trclen		Firmware trace buffer len
+ *
+ * @retval BFA_STATUS_OK			Firmware trace is fetched.
+ * @retval BFA_STATUS_INPROGRESS	Firmware trace fetch is in progress.
+ */
+bfa_status_t
+bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen)
+{
+	return bfa_ioc_debug_fwtrc(&bfa->ioc, trcdata, trclen);
+}
+#endif

drivers/scsi/bfa/bfa_csdebug.c

+/*
+ * 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.
+ */
+
+#include <cs/bfa_debug.h>
+#include <bfa_os_inc.h>
+#include <cs/bfa_q.h>
+#include <log/bfa_log_hal.h>
+
+/**
+ *  cs_debug_api
+ */
+
+
+void
+bfa_panic(int line, char *file, char *panicstr)
+{
+	bfa_log(NULL, BFA_LOG_HAL_ASSERT, file, line, panicstr);
+	bfa_os_panic();
+}
+
+void
+bfa_sm_panic(struct bfa_log_mod_s *logm, int line, char *file, int event)
+{
+	bfa_log(logm, BFA_LOG_HAL_SM_ASSERT, file, line, event);
+	bfa_os_panic();
+}
+
+int
+bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe)
+{
+	struct list_head        *tqe;
+
+	tqe = bfa_q_next(q);
+	while (tqe != q) {
+		if (tqe == qe)
+			return (1);
+		tqe = bfa_q_next(tqe);
+		if (tqe == NULL)
+			break;
+	}
+	return (0);
+}
+
+

drivers/scsi/bfa/bfa_fcpim.c

+/*
+ * 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.
+ */
+
+#include <bfa.h>
+#include <log/bfa_log_hal.h>
+
+BFA_TRC_FILE(HAL, FCPIM);
+BFA_MODULE(fcpim);
+
+/**
+ *  hal_fcpim_mod BFA FCP Initiator Mode module
+ */
+
+/**
+ * 		Compute and return memory needed by FCP(im) module.
+ */
+static void
+bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
+		u32 *dm_len)
+{
+	bfa_itnim_meminfo(cfg, km_len, dm_len);
+
+	/**
+	 * IO memory
+	 */
+	if (cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN)
+		cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
+	else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX)
+		cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX;
+
+	*km_len += cfg->fwcfg.num_ioim_reqs *
+	  (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s));
+
+	*dm_len += cfg->fwcfg.num_ioim_reqs * BFI_IOIM_SNSLEN;
+
+	/**
+	 * task management command memory
+	 */
+	if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN)
+		cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
+	*km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s);
+}
+
+
+static void
+bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+		     struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	bfa_trc(bfa, cfg->drvcfg.path_tov);
+	bfa_trc(bfa, cfg->fwcfg.num_rports);
+	bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs);
+	bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs);
+
+	fcpim->bfa            = bfa;
+	fcpim->num_itnims     = cfg->fwcfg.num_rports;
+	fcpim->num_ioim_reqs  = cfg->fwcfg.num_ioim_reqs;
+	fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs;
+	fcpim->path_tov       = cfg->drvcfg.path_tov;
+	fcpim->delay_comp	  = cfg->drvcfg.delay_comp;
+
+	bfa_itnim_attach(fcpim, meminfo);
+	bfa_tskim_attach(fcpim, meminfo);
+	bfa_ioim_attach(fcpim, meminfo);
+}
+
+static void
+bfa_fcpim_initdone(struct bfa_s *bfa)
+{
+}
+
+static void
+bfa_fcpim_detach(struct bfa_s *bfa)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	bfa_ioim_detach(fcpim);
+	bfa_tskim_detach(fcpim);
+}
+
+static void
+bfa_fcpim_start(struct bfa_s *bfa)
+{
+}
+
+static void
+bfa_fcpim_stop(struct bfa_s *bfa)
+{
+}
+
+static void
+bfa_fcpim_iocdisable(struct bfa_s *bfa)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+	struct bfa_itnim_s *itnim;
+	struct list_head        *qe, *qen;
+
+	list_for_each_safe(qe, qen, &fcpim->itnim_q) {
+		itnim = (struct bfa_itnim_s *) qe;
+		bfa_itnim_iocdisable(itnim);
+	}
+}
+
+void
+bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	fcpim->path_tov = path_tov * 1000;
+	if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX)
+		fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX;
+}
+
+u16
+bfa_fcpim_path_tov_get(struct bfa_s *bfa)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	return (fcpim->path_tov / 1000);
+}
+
+bfa_status_t
+bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_fcpim_stats_s *modstats)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	*modstats = fcpim->stats;
+
+	return BFA_STATUS_OK;
+}
+
+bfa_status_t
+bfa_fcpim_clr_modstats(struct bfa_s *bfa)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	memset(&fcpim->stats, 0, sizeof(struct bfa_fcpim_stats_s));
+
+	return BFA_STATUS_OK;
+}
+
+void
+bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	bfa_assert(q_depth <= BFA_IOCFC_QDEPTH_MAX);
+
+	fcpim->q_depth = q_depth;
+}
+
+u16
+bfa_fcpim_qdepth_get(struct bfa_s *bfa)
+{
+	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+
+	return (fcpim->q_depth);
+}
+
+

drivers/scsi/bfa/bfa_fcpim_priv.h

+/*
+ * 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.
+ */
+
+#ifndef __BFA_FCPIM_PRIV_H__
+#define __BFA_FCPIM_PRIV_H__
+
+#include <bfa_fcpim.h>
+#include <defs/bfa_defs_fcpim.h>
+#include <cs/bfa_wc.h>
+#include "bfa_sgpg_priv.h"
+
+#define BFA_ITNIM_MIN   32
+#define BFA_ITNIM_MAX   1024
+
+#define BFA_IOIM_MIN    8
+#define BFA_IOIM_MAX    2000
+
+#define BFA_TSKIM_MIN   4
+#define BFA_TSKIM_MAX   512
+#define BFA_FCPIM_PATHTOV_DEF	(30 * 1000)	/* in millisecs */
+#define BFA_FCPIM_PATHTOV_MAX	(90 * 1000)	/* in millisecs */
+
+#define bfa_fcpim_stats(__fcpim, __stats)   \
+    (__fcpim)->stats.__stats ++
+
+struct bfa_fcpim_mod_s {
+	struct bfa_s 	*bfa;
+	struct bfa_itnim_s 	*itnim_arr;
+	struct bfa_ioim_s 	*ioim_arr;
+	struct bfa_ioim_sp_s *ioim_sp_arr;
+	struct bfa_tskim_s 	*tskim_arr;
+	struct bfa_dma_s	snsbase;
+	int			num_itnims;
+	int			num_ioim_reqs;
+	int			num_tskim_reqs;
+	u32		path_tov;
+	u16		q_depth;
+	u16		rsvd;
+	struct list_head 	itnim_q;        /*  queue of active itnim    */
+	struct list_head 	ioim_free_q;    /*  free IO resources        */
+	struct list_head 	ioim_resfree_q; /*  IOs waiting for f/w      */
+	struct list_head 	ioim_comp_q;    /*  IO global comp Q         */
+	struct list_head 	tskim_free_q;
+	u32	ios_active;	/*  current active IOs	      */
+	u32	delay_comp;
+	struct bfa_fcpim_stats_s stats;
+};
+
+struct bfa_ioim_s;
+struct bfa_tskim_s;
+
+/**
+ * BFA IO (initiator mode)
+ */
+struct bfa_ioim_s {
+	struct list_head qe;		/*  queue elememt            */
+	bfa_sm_t		sm; 	/*  BFA ioim state machine   */
+	struct bfa_s 	        *bfa;	/*  BFA module               */
+	struct bfa_fcpim_mod_s	*fcpim;	/*  parent fcpim module      */
+	struct bfa_itnim_s 	*itnim;	/*  i-t-n nexus for this IO  */
+	struct bfad_ioim_s 	*dio;	/*  driver IO handle         */
+	u16	iotag;		/*  FWI IO tag               */
+	u16	abort_tag;	/*  unqiue abort request tag */
+	u16	nsges;		/*  number of SG elements    */
+	u16	nsgpgs;		/*  number of SG pages       */
+	struct bfa_sgpg_s *sgpg;	/*  first SG page            */
+	struct list_head sgpg_q;		/*  allocated SG pages       */
+	struct bfa_cb_qe_s hcb_qe;	/*  bfa callback qelem       */
+	bfa_cb_cbfn_t io_cbfn;		/*  IO completion handler    */
+	struct bfa_ioim_sp_s *iosp;	/*  slow-path IO handling    */
+};
+
+struct bfa_ioim_sp_s {
+	struct bfi_msg_s 	comp_rspmsg;	/*  IO comp f/w response     */
+	u8			*snsinfo;	/*  sense info for this IO   */
+	struct bfa_sgpg_wqe_s sgpg_wqe;	/*  waitq elem for sgpg      */
+	struct bfa_reqq_wait_s reqq_wait;	/*  to wait for room in reqq */
+	bfa_boolean_t		abort_explicit;	/*  aborted by OS            */
+	struct bfa_tskim_s	*tskim;		/*  Relevant TM cmd          */
+};
+
+/**
+ * BFA Task management command (initiator mode)
+ */
+struct bfa_tskim_s {
+	struct list_head          qe;
+	bfa_sm_t		sm;
+	struct bfa_s            *bfa;        /*  BFA module  */
+	struct bfa_fcpim_mod_s  *fcpim;      /*  parent fcpim module      */
+	struct bfa_itnim_s      *itnim;      /*  i-t-n nexus for this IO  */
+	struct bfad_tskim_s         *dtsk;   /*  driver task mgmt cmnd    */
+	bfa_boolean_t        notify;         /*  notify itnim on TM comp  */
+	lun_t                lun;            /*  lun if applicable        */
+	enum fcp_tm_cmnd        tm_cmnd;     /*  task management command  */
+	u16             tsk_tag;        /*  FWI IO tag               */
+	u8              tsecs;          /*  timeout in seconds       */
+	struct bfa_reqq_wait_s  reqq_wait;   /*  to wait for room in reqq */
+	struct list_head              io_q;    /*  queue of affected IOs    */
+	struct bfa_wc_s             wc;      /*  waiting counter          */
+	struct bfa_cb_qe_s	hcb_qe;      /*  bfa callback qelem       */
+	enum bfi_tskim_status   tsk_status;  /*  TM status                */
+};
+
+/**
+ * BFA i-t-n (initiator mode)
+ */
+struct bfa_itnim_s {
+	struct list_head    qe;		/*  queue element               */
+	bfa_sm_t	  sm;		/*  i-t-n im BFA state machine  */
+	struct bfa_s      *bfa;		/*  bfa instance                */
+	struct bfa_rport_s *rport;	/*  bfa rport                   */
+	void           *ditn;		/*  driver i-t-n structure      */
+	struct bfi_mhdr_s      mhdr;	/*  pre-built mhdr              */
+	u8         msg_no;		/*  itnim/rport firmware handle */
+	u8         reqq;		/*  CQ for requests             */
+	struct bfa_cb_qe_s    hcb_qe;	/*  bfa callback qelem          */
+	struct list_head pending_q;	/*  queue of pending IO requests*/
+	struct list_head io_q;		/*  queue of active IO requests */
+	struct list_head io_cleanup_q;	/*  IO being cleaned up         */
+	struct list_head tsk_q;		/*  queue of active TM commands */
+	struct list_head  delay_comp_q;/*  queue of failed inflight cmds */
+	bfa_boolean_t   seq_rec;	/*  SQER supported              */
+	bfa_boolean_t   is_online;	/*  itnim is ONLINE for IO      */
+	bfa_boolean_t   iotov_active;	/*  IO TOV timer is active	 */
+	struct bfa_wc_s        wc;	/*  waiting counter             */
+	struct bfa_timer_s timer;	/*  pending IO TOV		 */
+	struct bfa_reqq_wait_s reqq_wait; /*  to wait for room in reqq */
+	struct bfa_fcpim_mod_s *fcpim;	/*  fcpim module                */
+	struct bfa_itnim_hal_stats_s	stats;
+};
+
+#define bfa_itnim_is_online(_itnim) (_itnim)->is_online
+#define BFA_FCPIM_MOD(_hal) (&(_hal)->modules.fcpim_mod)
+#define BFA_IOIM_FROM_TAG(_fcpim, _iotag)	\
+	(&fcpim->ioim_arr[_iotag])
+#define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag)                  \
+    (&fcpim->tskim_arr[_tmtag & (fcpim->num_tskim_reqs - 1)])
+
+/*
+ * function prototypes
+ */
+void            bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim,
+				    struct bfa_meminfo_s *minfo);
+void            bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim);
+void            bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
+void            bfa_ioim_good_comp_isr(struct bfa_s *bfa,
+					struct bfi_msg_s *msg);
+void            bfa_ioim_cleanup(struct bfa_ioim_s *ioim);
+void            bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim,
+					struct bfa_tskim_s *tskim);
+void            bfa_ioim_iocdisable(struct bfa_ioim_s *ioim);
+void            bfa_ioim_tov(struct bfa_ioim_s *ioim);
+
+void            bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim,
+				     struct bfa_meminfo_s *minfo);
+void            bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim);
+void            bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
+void            bfa_tskim_iodone(struct bfa_tskim_s *tskim);
+void            bfa_tskim_iocdisable(struct bfa_tskim_s *tskim);
+void            bfa_tskim_cleanup(struct bfa_tskim_s *tskim);
+
+void            bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
+				      u32 *dm_len);
+void            bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim,
+				     struct bfa_meminfo_s *minfo);
+void            bfa_itnim_detach(struct bfa_fcpim_mod_s *fcpim);
+void            bfa_itnim_iocdisable(struct bfa_itnim_s *itnim);
+void            bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
+void            bfa_itnim_iodone(struct bfa_itnim_s *itnim);
+void            bfa_itnim_tskdone(struct bfa_itnim_s *itnim);
+bfa_boolean_t   bfa_itnim_hold_io(struct bfa_itnim_s *itnim);
+
+#endif /* __BFA_FCPIM_PRIV_H__ */
+

drivers/scsi/bfa/bfa_fcs.c

+/*
+ * 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.
+ */
+
+/**
+ *  bfa_fcs.c BFA FCS main
+ */
+
+#include <fcs/bfa_fcs.h>
+#include "fcs_port.h"
+#include "fcs_uf.h"
+#include "fcs_vport.h"
+#include "fcs_rport.h"
+#include "fcs_fabric.h"
+#include "fcs_fcpim.h"
+#include "fcs_fcptm.h"
+#include "fcbuild.h"
+#include "fcs.h"
+#include "bfad_drv.h"
+#include <fcb/bfa_fcb.h>
+
+/**
+ * FCS sub-modules
+ */
+struct bfa_fcs_mod_s {
+	void            (*modinit) (struct bfa_fcs_s *fcs);
+	void            (*modexit) (struct bfa_fcs_s *fcs);
+};
+
+#define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit }
+
+static struct bfa_fcs_mod_s fcs_modules[] = {
+	BFA_FCS_MODULE(bfa_fcs_pport),
+	BFA_FCS_MODULE(bfa_fcs_uf),
+	BFA_FCS_MODULE(bfa_fcs_fabric),
+	BFA_FCS_MODULE(bfa_fcs_vport),
+	BFA_FCS_MODULE(bfa_fcs_rport),
+	BFA_FCS_MODULE(bfa_fcs_fcpim),
+};
+
+/**
+ *  fcs_api BFA FCS API
+ */
+
+static void
+bfa_fcs_exit_comp(void *fcs_cbarg)
+{
+	struct bfa_fcs_s *fcs = fcs_cbarg;
+	struct bfad_s *bfad = fcs->bfad;
+
+	complete(&bfad->comp);
+}
+
+
+
+/**
+ *  fcs_api BFA FCS API
+ */
+
+/**
+ * 		FCS instance initialization.
+ *
+ * 	param[in]		fcs		FCS instance
+ * 	param[in]		bfa		BFA instance
+ * 	param[in]		bfad		BFA driver instance
+ *
+ * 	return None
+ */
+void
+bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
+			bfa_boolean_t min_cfg)
+{
+	int             i;
+	struct bfa_fcs_mod_s  *mod;
+
+	fcs->bfa = bfa;
+	fcs->bfad = bfad;
+	fcs->min_cfg = min_cfg;
+
+	bfa_attach_fcs(bfa);
+	fcbuild_init();
+
+	for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
+		mod = &fcs_modules[i];
+		mod->modinit(fcs);
+	}
+}
+
+/**
+ * Start FCS operations.
+ */
+void
+bfa_fcs_start(struct bfa_fcs_s *fcs)
+{
+	bfa_fcs_fabric_modstart(fcs);
+}
+
+/**
+ * 		FCS driver details initialization.
+ *
+ * 	param[in]		fcs		FCS instance
+ * 	param[in]		driver_info	Driver Details
+ *
+ * 	return None
+ */
+void
+bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
+			struct bfa_fcs_driver_info_s *driver_info)
+{
+
+	fcs->driver_info = *driver_info;
+
+	bfa_fcs_fabric_psymb_init(&fcs->fabric);
+}
+
+/**
+ * 		FCS instance cleanup and exit.
+ *
+ * 	param[in]		fcs			FCS instance
+ * 	return None
+ */
+void
+bfa_fcs_exit(struct bfa_fcs_s *fcs)
+{
+	struct bfa_fcs_mod_s  *mod;
+	int             nmods, i;
+
+	bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
+
+	nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]);
+
+	for (i = 0; i < nmods; i++) {
+		bfa_wc_up(&fcs->wc);
+
+		mod = &fcs_modules[i];
+		mod->modexit(fcs);
+	}
+
+	bfa_wc_wait(&fcs->wc);
+}
+
+
+void
+bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod)
+{
+	fcs->trcmod = trcmod;
+}
+
+
+void
+bfa_fcs_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod)
+{
+	fcs->logm = logmod;
+}
+
+
+void
+bfa_fcs_aen_init(struct bfa_fcs_s *fcs, struct bfa_aen_s *aen)
+{
+	fcs->aen = aen;
+}
+
+void
+bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs)
+{
+	bfa_wc_down(&fcs->wc);
+}
+
+

drivers/scsi/bfa/bfa_fcs_port.c

+/*
+ * 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.
+ */
+
+/**
+ *  bfa_fcs_pport.c BFA FCS PPORT ( physical port)
+ */
+
+#include <fcs/bfa_fcs.h>
+#include <bfa_svc.h>
+#include <fcs/bfa_fcs_fabric.h>
+#include "fcs_trcmod.h"
+#include "fcs.h"
+#include "fcs_fabric.h"
+#include "fcs_port.h"
+
+BFA_TRC_FILE(FCS, PPORT);
+
+static void
+bfa_fcs_pport_event_handler(void *cbarg, bfa_pport_event_t event)
+{
+	struct bfa_fcs_s      *fcs = cbarg;
+
+	bfa_trc(fcs, event);
+
+	switch (event) {
+	case BFA_PPORT_LINKUP:
+		bfa_fcs_fabric_link_up(&fcs->fabric);
+		break;
+
+	case BFA_PPORT_LINKDOWN:
+		bfa_fcs_fabric_link_down(&fcs->fabric);
+		break;
+
+	case BFA_PPORT_TRUNK_LINKDOWN:
+		bfa_assert(0);
+		break;
+
+	default:
+		bfa_assert(0);
+	}
+}
+
+void
+bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs)
+{
+	bfa_pport_event_register(fcs->bfa, bfa_fcs_pport_event_handler,
+				     fcs);
+}
+
+void
+bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs)
+{
+	bfa_fcs_modexit_comp(fcs);
+}

drivers/scsi/bfa/bfa_fcs_uf.c

+/*
+ * 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.
+ */
+
+/**
+ *  bfa_fcs_uf.c BFA FCS UF ( Unsolicited Frames)
+ */
+
+#include <fcs/bfa_fcs.h>
+#include <bfa_svc.h>
+#include <fcs/bfa_fcs_fabric.h>
+#include "fcs.h"
+#include "fcs_trcmod.h"
+#include "fcs_fabric.h"
+#include "fcs_uf.h"
+
+BFA_TRC_FILE(FCS, UF);
+
+/**
+ * 		BFA callback for unsolicited frame receive handler.
+ *
+ * @param[in]		cbarg		callback arg for receive handler
+ * @param[in]		uf		unsolicited frame descriptor
+ *
+ * @return None
+ */
+static void
+bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
+{
+	struct bfa_fcs_s      *fcs = (struct bfa_fcs_s *) cbarg;
+	struct fchs_s         *fchs = bfa_uf_get_frmbuf(uf);
+	u16        len = bfa_uf_get_frmlen(uf);
+	struct fc_vft_s       *vft;
+	struct bfa_fcs_fabric_s *fabric;
+
+	/**
+	 * check for VFT header
+	 */
+	if (fchs->routing == FC_RTG_EXT_HDR &&
+		fchs->cat_info == FC_CAT_VFT_HDR) {
+		bfa_stats(fcs, uf.tagged);
+		vft = bfa_uf_get_frmbuf(uf);
+		if (fcs->port_vfid == vft->vf_id)
+			fabric = &fcs->fabric;
+		else
+			fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id);
+
+		/**
+		 * drop frame if vfid is unknown
+		 */
+		if (!fabric) {
+			bfa_assert(0);
+			bfa_stats(fcs, uf.vfid_unknown);
+			bfa_uf_free(uf);
+			return;
+		}
+
+		/**
+		 * skip vft header
+		 */
+		fchs = (struct fchs_s *) (vft + 1);
+		len -= sizeof(struct fc_vft_s);
+
+		bfa_trc(fcs, vft->vf_id);
+	} else {
+		bfa_stats(fcs, uf.untagged);
+		fabric = &fcs->fabric;
+	}
+
+	bfa_trc(fcs, ((u32 *) fchs)[0]);
+	bfa_trc(fcs, ((u32 *) fchs)[1]);
+	bfa_trc(fcs, ((u32 *) fchs)[2]);
+	bfa_trc(fcs, ((u32 *) fchs)[3]);
+	bfa_trc(fcs, ((u32 *) fchs)[4]);
+	bfa_trc(fcs, ((u32 *) fchs)[5]);
+	bfa_trc(fcs, len);
+
+	bfa_fcs_fabric_uf_recv(fabric, fchs, len);
+	bfa_uf_free(uf);
+}
+
+void
+bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs)
+{
+	bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs);
+}
+
+void
+bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs)
+{
+	bfa_fcs_modexit_comp(fcs);
+}

drivers/scsi/bfa/bfa_fcxp_priv.h

+/*
+ * 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.
+ */
+
+#ifndef __BFA_FCXP_PRIV_H__
+#define __BFA_FCXP_PRIV_H__
+
+#include <cs/bfa_sm.h>
+#include <protocol/fc.h>
+#include <bfa_svc.h>
+#include <bfi/bfi_fcxp.h>
+
+#define BFA_FCXP_MIN     	(1)
+#define BFA_FCXP_MAX_IBUF_SZ	(2 * 1024 + 256)
+#define BFA_FCXP_MAX_LBUF_SZ	(4 * 1024 + 256)
+
+struct bfa_fcxp_mod_s {
+	struct bfa_s      *bfa;		/*  backpointer to BFA */
+	struct bfa_fcxp_s *fcxp_list;	/*  array of FCXPs */
+	u16        num_fcxps;	/*  max num FCXP requests */
+	struct list_head fcxp_free_q;	/*  free FCXPs */
+	struct list_head fcxp_active_q;	/*  active FCXPs */
+	void	*req_pld_list_kva;	/*  list of FCXP req pld */
+	u64 req_pld_list_pa;	/*  list of FCXP req pld */
+	void *rsp_pld_list_kva;		/*  list of FCXP resp pld */
+	u64 rsp_pld_list_pa;	/*  list of FCXP resp pld */
+	struct list_head  wait_q;		/*  wait queue for free fcxp */
+	u32	req_pld_sz;
+	u32	rsp_pld_sz;
+};
+
+#define BFA_FCXP_MOD(__bfa)		(&(__bfa)->modules.fcxp_mod)
+#define BFA_FCXP_FROM_TAG(__mod, __tag)	(&(__mod)->fcxp_list[__tag])
+
+typedef void    (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,
+				   void *cb_arg, bfa_status_t req_status,
+				   u32 rsp_len, u32 resid_len,
+				   struct fchs_s *rsp_fchs);
+
+/**
+ * Information needed for a FCXP request
+ */
+struct bfa_fcxp_req_info_s {
+	struct bfa_rport_s *bfa_rport;	/*  Pointer to the bfa rport that was
+					 *returned from bfa_rport_create().
+					 *This could be left NULL for WKA or for
+					 *FCXP interactions before the rport
+					 *nexus is established
+					 */
+	struct fchs_s   fchs;	/*  request FC header structure */
+	u8 cts;		/*  continous sequence */
+	u8 class;		/*  FC class for the request/response */
+	u16 max_frmsz;	/*  max send frame size */
+	u16 vf_id;		/*  vsan tag if applicable */
+	u8	lp_tag;		/*  lport tag */
+	u32 req_tot_len;	/*  request payload total length */
+};
+
+struct bfa_fcxp_rsp_info_s {
+	struct fchs_s rsp_fchs;		/*  Response frame's FC header will
+					 * be *sent back in this field */
+	u8         rsp_timeout;	/*  timeout in seconds, 0-no response
+					 */
+	u8         rsvd2[3];
+	u32        rsp_maxlen;	/*  max response length expected */
+};
+
+struct bfa_fcxp_s {
+	struct list_head 	qe;		/*  fcxp queue element */
+	bfa_sm_t        sm;             /*  state machine */
+	void           	*caller;	/*  driver or fcs */
+	struct bfa_fcxp_mod_s *fcxp_mod;
+					/*  back pointer to fcxp mod */
+	u16        fcxp_tag;	/*  internal tag */
+	struct bfa_fcxp_req_info_s req_info;
+					/*  request info */
+	struct bfa_fcxp_rsp_info_s rsp_info;
+					/*  response info */
+	u8 	use_ireqbuf;	/*  use internal req buf */
+	u8         use_irspbuf;	/*  use internal rsp buf */
+	u32        nreq_sgles;	/*  num request SGLEs */
+	u32        nrsp_sgles;	/*  num response SGLEs */
+	struct list_head req_sgpg_q;	/*  SG pages for request buf */
+	struct list_head req_sgpg_wqe;	/*  wait queue for req SG page */
+	struct list_head rsp_sgpg_q;	/*  SG pages for response buf */
+	struct list_head rsp_sgpg_wqe;	/*  wait queue for rsp SG page */
+
+	bfa_fcxp_get_sgaddr_t req_sga_cbfn;
+					/*  SG elem addr user function */
+	bfa_fcxp_get_sglen_t req_sglen_cbfn;
+					/*  SG elem len user function */
+	bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
+					/*  SG elem addr user function */
+	bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
+					/*  SG elem len user function */
+	bfa_cb_fcxp_send_t send_cbfn;   /*  send completion callback */
+	void		*send_cbarg;	/*  callback arg */
+	struct bfa_sge_s   req_sge[BFA_FCXP_MAX_SGES];
+					/*  req SG elems */
+	struct bfa_sge_s   rsp_sge[BFA_FCXP_MAX_SGES];
+					/*  rsp SG elems */
+	u8         rsp_status;	/*  comp: rsp status */
+	u32        rsp_len;	/*  comp: actual response len */
+	u32        residue_len;	/*  comp: residual rsp length */
+	struct fchs_s          rsp_fchs;	/*  comp: response fchs */
+	struct bfa_cb_qe_s    hcb_qe;	/*  comp: callback qelem */
+	struct bfa_reqq_wait_s	reqq_wqe;
+	bfa_boolean_t	reqq_waiting;
+};
+
+#define BFA_FCXP_REQ_PLD(_fcxp) 	(bfa_fcxp_get_reqbuf(_fcxp))
+
+#define BFA_FCXP_RSP_FCHS(_fcxp) 	(&((_fcxp)->rsp_info.fchs))
+#define BFA_FCXP_RSP_PLD(_fcxp) 	(bfa_fcxp_get_rspbuf(_fcxp))
+
+#define BFA_FCXP_REQ_PLD_PA(_fcxp)					\
+	((_fcxp)->fcxp_mod->req_pld_list_pa +				\
+		((_fcxp)->fcxp_mod->req_pld_sz  * (_fcxp)->fcxp_tag))
+
+#define BFA_FCXP_RSP_PLD_PA(_fcxp) 					\
+	((_fcxp)->fcxp_mod->rsp_pld_list_pa +				\
+		((_fcxp)->fcxp_mod->rsp_pld_sz * (_fcxp)->fcxp_tag))
+
+void	bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
+#endif /* __BFA_FCXP_PRIV_H__ */

drivers/scsi/bfa/bfa_fwimg_priv.h

+/*
+ * 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.
+ */
+
+#ifndef __BFA_FWIMG_PRIV_H__
+#define __BFA_FWIMG_PRIV_H__
+
+#define	BFI_FLASH_CHUNK_SZ		256	/*  Flash chunk size */
+#define	BFI_FLASH_CHUNK_SZ_WORDS	(BFI_FLASH_CHUNK_SZ/sizeof(u32))
+
+extern u32 *bfi_image_ct_get_chunk(u32 off);
+extern u32 bfi_image_ct_size;
+extern u32 *bfi_image_cb_get_chunk(u32 off);
+extern u32 bfi_image_cb_size;
+extern u32 *bfi_image_cb;
+extern u32 *bfi_image_ct;
+
+#endif /* __BFA_FWIMG_PRIV_H__ */

drivers/scsi/bfa/bfa_hw_cb.c

+/*
+ * 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.
+ */
+
+#include <bfa_priv.h>
+#include <bfi/bfi_cbreg.h>
+
+void
+bfa_hwcb_reginit(struct bfa_s *bfa)
+{
+	struct bfa_iocfc_regs_s	*bfa_regs = &bfa->iocfc.bfa_regs;
+	bfa_os_addr_t		kva = bfa_ioc_bar0(&bfa->ioc);
+	int             	i, q, fn = bfa_ioc_pcifn(&bfa->ioc);
+
+	if (fn == 0) {
+		bfa_regs->intr_status = (kva + HOSTFN0_INT_STATUS);
+		bfa_regs->intr_mask   = (kva + HOSTFN0_INT_MSK);
+	} else {
+		bfa_regs->intr_status = (kva + HOSTFN1_INT_STATUS);
+		bfa_regs->intr_mask   = (kva + HOSTFN1_INT_MSK);
+	}
+
+	for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
+		/*
+		 * CPE registers
+		 */
+		q = CPE_Q_NUM(fn, i);
+		bfa_regs->cpe_q_pi[i] = (kva + CPE_Q_PI(q));
+		bfa_regs->cpe_q_ci[i] = (kva + CPE_Q_CI(q));
+		bfa_regs->cpe_q_depth[i] = (kva + CPE_Q_DEPTH(q));
+
+		/*
+		 * RME registers
+		 */
+		q = CPE_Q_NUM(fn, i);
+		bfa_regs->rme_q_pi[i] = (kva + RME_Q_PI(q));
+		bfa_regs->rme_q_ci[i] = (kva + RME_Q_CI(q));
+		bfa_regs->rme_q_depth[i] = (kva + RME_Q_DEPTH(q));
+	}
+}
+
+void
+bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq)
+{
+}
+
+static void
+bfa_hwcb_rspq_ack_msix(struct bfa_s *bfa, int rspq)
+{
+	bfa_reg_write(bfa->iocfc.bfa_regs.intr_status,
+		__HFN_INT_RME_Q0 << RME_Q_NUM(bfa_ioc_pcifn(&bfa->ioc), rspq));
+}
+
+void
+bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap,
+		 u32 *num_vecs, u32 *max_vec_bit)
+{
+#define __HFN_NUMINTS	13
+	if (bfa_ioc_pcifn(&bfa->ioc) == 0) {
+		*msix_vecs_bmap = (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 |
+				   __HFN_INT_CPE_Q2 | __HFN_INT_CPE_Q3 |
+				   __HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 |
+				   __HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 |
+				   __HFN_INT_MBOX_LPU0);
+		*max_vec_bit = __HFN_INT_MBOX_LPU0;
+	} else {
+		*msix_vecs_bmap = (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 |
+				   __HFN_INT_CPE_Q6 | __HFN_INT_CPE_Q7 |
+				   __HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 |
+				   __HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 |
+				   __HFN_INT_MBOX_LPU1);
+		*max_vec_bit = __HFN_INT_MBOX_LPU1;
+	}
+
+	*msix_vecs_bmap |= (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 |
+			    __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS);
+	*num_vecs = __HFN_NUMINTS;
+}
+
+/**
+ * No special setup required for crossbow -- vector assignments are implicit.
+ */
+void
+bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs)
+{
+	int i;
+
+	bfa_assert((nvecs == 1) || (nvecs == __HFN_NUMINTS));
+
+	bfa->msix.nvecs = nvecs;
+	if (nvecs == 1) {
+		for (i = 0; i < BFA_MSIX_CB_MAX; i++)
+			bfa->msix.handler[i] = bfa_msix_all;
+		return;
+	}
+
+	for (i = BFA_MSIX_CPE_Q0; i <= BFA_MSIX_CPE_Q7; i++)
+		bfa->msix.handler[i] = bfa_msix_reqq;
+
+	for (i = BFA_MSIX_RME_Q0; i <= BFA_MSIX_RME_Q7; i++)
+		bfa->msix.handler[i] = bfa_msix_rspq;
+
+	for (; i < BFA_MSIX_CB_MAX; i++)
+		bfa->msix.handler[i] = bfa_msix_lpu_err;
+}
+
+/**
+ * Crossbow -- dummy, interrupts are masked
+ */
+void
+bfa_hwcb_msix_install(struct bfa_s *bfa)
+{
+}
+
+void
+bfa_hwcb_msix_uninstall(struct bfa_s *bfa)
+{
+}
+
+/**
+ * No special enable/disable -- vector assignments are implicit.
+ */
+void
+bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix)
+{
+	bfa->iocfc.hwif.hw_rspq_ack = bfa_hwcb_rspq_ack_msix;
+}
+
+

drivers/scsi/bfa/bfa_iocfc_q.c

+/*
+ * 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.
+ */
+
+#include <bfa.h>
+#include "bfa_intr_priv.h"
+
+BFA_TRC_FILE(HAL, IOCFC_Q);
+
+void
+bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba,
+				u32 reqq_sci, u32 rspq_spi, bfa_cb_iocfc_t cbfn,
+				void *cbarg)
+{
+	struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+	struct bfi_iocfc_updateq_req_s updateq_req;
+
+	iocfc->updateq_cbfn = cbfn;
+	iocfc->updateq_cbarg = cbarg;
+
+	bfi_h2i_set(updateq_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_UPDATEQ_REQ,
+			bfa_lpuid(bfa));
+
+	updateq_req.reqq_ba = bfa_os_htonl(reqq_ba);
+	updateq_req.rspq_ba = bfa_os_htonl(rspq_ba);
+	updateq_req.reqq_sci = bfa_os_htonl(reqq_sci);
+	updateq_req.rspq_spi = bfa_os_htonl(rspq_spi);
+
+	bfa_ioc_mbox_send(&bfa->ioc, &updateq_req,
+			sizeof(struct bfi_iocfc_updateq_req_s));
+}

drivers/scsi/bfa/bfa_lps_priv.h

+/*
+ * 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.
+ */
+
+#ifndef __BFA_LPS_PRIV_H__
+#define __BFA_LPS_PRIV_H__
+
+#include <bfa_svc.h>
+
+struct bfa_lps_mod_s {
+	struct list_head		lps_free_q;
+	struct list_head		lps_active_q;
+	struct bfa_lps_s	*lps_arr;
+	int			num_lps;
+};
+
+#define BFA_LPS_MOD(__bfa)		(&(__bfa)->modules.lps_mod)
+#define BFA_LPS_FROM_TAG(__mod, __tag)	(&(__mod)->lps_arr[__tag])
+
+/*
+ * external functions
+ */
+void	bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
+
+#endif /* __BFA_LPS_PRIV_H__ */