lpfc: add Emulex FC driver version 8.0.28

From: 	James.Smart@Emulex.Com

Modified for kernel import and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 384 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
new file mode 100644
index 00000000000..d78247c63d0
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -0,0 +1,384 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Enterprise Fibre Channel Host Bus Adapters.                     *
+ * Refer to the README file included with this package for         *
+ * driver version and adapter support.                             *
+ * Copyright (C) 2004 Emulex Corporation.                          *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of the GNU General Public License     *
+ * as published by the Free Software Foundation; either version 2  *
+ * of the License, or (at your option) any later version.          *
+ *                                                                 *
+ * 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, a copy of which    *
+ * can be found in the file COPYING included with this package.    *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc.h 1.167 2005/04/07 08:47:05EDT sf_support Exp  $
+ */
+
+struct lpfc_sli2_slim;
+
+#define LPFC_MAX_TARGET         256	/* max targets supported */
+#define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els req */
+#define LPFC_MAX_NS_RETRY       3	/* max NameServer retries */
+
+#define LPFC_DFT_HBA_Q_DEPTH	2048	/* max cmds per hba */
+#define LPFC_LC_HBA_Q_DEPTH	1024	/* max cmds per low cost hba */
+#define LPFC_LP101_HBA_Q_DEPTH	128	/* max cmds per low cost hba */
+
+#define LPFC_CMD_PER_LUN	30	/* max outstanding cmds per lun */
+#define LPFC_SG_SEG_CNT		64	/* sg element count per scsi cmnd */
+#define LPFC_IOCB_LIST_CNT	2250	/* list of IOCBs for fast-path usage. */
+
+/* Define macros for 64 bit support */
+#define putPaddrLow(addr)    ((uint32_t) (0xffffffff & (u64)(addr)))
+#define putPaddrHigh(addr)   ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
+#define getPaddr(high, low)  ((dma_addr_t)( \
+			     (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
+/* Provide maximum configuration definitions. */
+#define LPFC_DRVR_TIMEOUT	16	/* driver iocb timeout value in sec */
+#define MAX_FCP_TARGET		256	/* max num of FCP targets supported */
+#define FC_MAX_ADPTMSG		64
+
+#define MAX_HBAEVT	32
+
+/* Provide DMA memory definitions the driver uses per port instance. */
+struct lpfc_dmabuf {
+	struct list_head list;
+	void *virt;		/* virtual address ptr */
+	dma_addr_t phys;	/* mapped address */
+};
+
+struct lpfc_dma_pool {
+	struct lpfc_dmabuf   *elements;
+	uint32_t    max_count;
+	uint32_t    current_count;
+};
+
+/* Priority bit.  Set value to exceed low water mark in lpfc_mem. */
+#define MEM_PRI		0x100
+
+
+/****************************************************************************/
+/*      Device VPD save area                                                */
+/****************************************************************************/
+typedef struct lpfc_vpd {
+	uint32_t status;	/* vpd status value */
+	uint32_t length;	/* number of bytes actually returned */
+	struct {
+		uint32_t rsvd1;	/* Revision numbers */
+		uint32_t biuRev;
+		uint32_t smRev;
+		uint32_t smFwRev;
+		uint32_t endecRev;
+		uint16_t rBit;
+		uint8_t fcphHigh;
+		uint8_t fcphLow;
+		uint8_t feaLevelHigh;
+		uint8_t feaLevelLow;
+		uint32_t postKernRev;
+		uint32_t opFwRev;
+		uint8_t opFwName[16];
+		uint32_t sli1FwRev;
+		uint8_t sli1FwName[16];
+		uint32_t sli2FwRev;
+		uint8_t sli2FwName[16];
+	} rev;
+} lpfc_vpd_t;
+
+struct lpfc_scsi_buf;
+
+
+/*
+ * lpfc stat counters
+ */
+struct lpfc_stats {
+	/* Statistics for ELS commands */
+	uint32_t elsLogiCol;
+	uint32_t elsRetryExceeded;
+	uint32_t elsXmitRetry;
+	uint32_t elsDelayRetry;
+	uint32_t elsRcvDrop;
+	uint32_t elsRcvFrame;
+	uint32_t elsRcvRSCN;
+	uint32_t elsRcvRNID;
+	uint32_t elsRcvFARP;
+	uint32_t elsRcvFARPR;
+	uint32_t elsRcvFLOGI;
+	uint32_t elsRcvPLOGI;
+	uint32_t elsRcvADISC;
+	uint32_t elsRcvPDISC;
+	uint32_t elsRcvFAN;
+	uint32_t elsRcvLOGO;
+	uint32_t elsRcvPRLO;
+	uint32_t elsRcvPRLI;
+	uint32_t elsRcvRRQ;
+	uint32_t elsXmitFLOGI;
+	uint32_t elsXmitPLOGI;
+	uint32_t elsXmitPRLI;
+	uint32_t elsXmitADISC;
+	uint32_t elsXmitLOGO;
+	uint32_t elsXmitSCR;
+	uint32_t elsXmitRNID;
+	uint32_t elsXmitFARP;
+	uint32_t elsXmitFARPR;
+	uint32_t elsXmitACC;
+	uint32_t elsXmitLSRJT;
+
+	uint32_t frameRcvBcast;
+	uint32_t frameRcvMulti;
+	uint32_t strayXmitCmpl;
+	uint32_t frameXmitDelay;
+	uint32_t xriCmdCmpl;
+	uint32_t xriStatErr;
+	uint32_t LinkUp;
+	uint32_t LinkDown;
+	uint32_t LinkMultiEvent;
+	uint32_t NoRcvBuf;
+	uint32_t fcpCmd;
+	uint32_t fcpCmpl;
+	uint32_t fcpRspErr;
+	uint32_t fcpRemoteStop;
+	uint32_t fcpPortRjt;
+	uint32_t fcpPortBusy;
+	uint32_t fcpError;
+	uint32_t fcpLocalErr;
+};
+
+enum sysfs_mbox_state {
+	SMBOX_IDLE,
+	SMBOX_WRITING,
+	SMBOX_READING
+};
+
+struct lpfc_sysfs_mbox {
+	enum sysfs_mbox_state state;
+	size_t                offset;
+	struct lpfcMboxq *    mbox;
+};
+
+struct lpfc_hba {
+	struct list_head hba_list;	/* List of hbas/ports */
+	struct lpfc_sli sli;
+	struct lpfc_sli2_slim *slim2p;
+	dma_addr_t slim2p_mapping;
+	uint16_t pci_cfg_value;
+
+	uint32_t hba_state;
+
+#define LPFC_INIT_START           1	/* Initial state after board reset */
+#define LPFC_INIT_MBX_CMDS        2	/* Initialize HBA with mbox commands */
+#define LPFC_LINK_DOWN            3	/* HBA initialized, link is down */
+#define LPFC_LINK_UP              4	/* Link is up  - issue READ_LA */
+#define LPFC_LOCAL_CFG_LINK       5	/* local NPORT Id configured */
+#define LPFC_FLOGI                6	/* FLOGI sent to Fabric */
+#define LPFC_FABRIC_CFG_LINK      7	/* Fabric assigned NPORT Id
+					   configured */
+#define LPFC_NS_REG               8	/* Register with NameServer */
+#define LPFC_NS_QRY               9	/* Query NameServer for NPort ID list */
+#define LPFC_BUILD_DISC_LIST      10	/* Build ADISC and PLOGI lists for
+					 * device authentication / discovery */
+#define LPFC_DISC_AUTH            11	/* Processing ADISC list */
+#define LPFC_CLEAR_LA             12	/* authentication cmplt - issue
+					   CLEAR_LA */
+#define LPFC_HBA_READY            32
+#define LPFC_HBA_ERROR            0xff
+
+	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
+
+	uint32_t fc_eventTag;	/* event tag for link attention */
+	uint32_t fc_prli_sent;	/* cntr for outstanding PRLIs */
+
+	uint32_t num_disc_nodes;	/*in addition to hba_state */
+
+	struct timer_list fc_estabtmo;	/* link establishment timer */
+	struct timer_list fc_disctmo;	/* Discovery rescue timer */
+	struct timer_list fc_fdmitmo;	/* fdmi timer */
+	/* These fields used to be binfo */
+	struct lpfc_name fc_nodename;	/* fc nodename */
+	struct lpfc_name fc_portname;	/* fc portname */
+	uint32_t fc_pref_DID;	/* preferred D_ID */
+	uint8_t fc_pref_ALPA;	/* preferred AL_PA */
+	uint32_t fc_edtov;	/* E_D_TOV timer value */
+	uint32_t fc_arbtov;	/* ARB_TOV timer value */
+	uint32_t fc_ratov;	/* R_A_TOV timer value */
+	uint32_t fc_rttov;	/* R_T_TOV timer value */
+	uint32_t fc_altov;	/* AL_TOV timer value */
+	uint32_t fc_crtov;	/* C_R_TOV timer value */
+	uint32_t fc_citov;	/* C_I_TOV timer value */
+	uint32_t fc_myDID;	/* fibre channel S_ID */
+	uint32_t fc_prevDID;	/* previous fibre channel S_ID */
+
+	struct serv_parm fc_sparam;	/* buffer for our service parameters */
+	struct serv_parm fc_fabparam;	/* fabric service parameters buffer */
+	uint8_t alpa_map[128];	/* AL_PA map from READ_LA */
+
+	uint8_t fc_ns_retry;	/* retries for fabric nameserver */
+	uint32_t fc_nlp_cnt;	/* outstanding NODELIST requests */
+	uint32_t fc_rscn_id_cnt;	/* count of RSCNs payloads in list */
+	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
+	uint32_t lmt;
+	uint32_t fc_flag;	/* FC flags */
+#define FC_PT2PT                0x1	/* pt2pt with no fabric */
+#define FC_PT2PT_PLOGI          0x2	/* pt2pt initiate PLOGI */
+#define FC_DISC_TMO             0x4	/* Discovery timer running */
+#define FC_PUBLIC_LOOP          0x8	/* Public loop */
+#define FC_LBIT                 0x10	/* LOGIN bit in loopinit set */
+#define FC_RSCN_MODE            0x20	/* RSCN cmd rcv'ed */
+#define FC_NLP_MORE             0x40	/* More node to process in node tbl */
+#define FC_OFFLINE_MODE         0x80	/* Interface is offline for diag */
+#define FC_FABRIC               0x100	/* We are fabric attached */
+#define FC_ESTABLISH_LINK       0x200	/* Reestablish Link */
+#define FC_RSCN_DISCOVERY       0x400	/* Authenticate all devices after RSCN*/
+#define FC_LOADING		0x1000	/* HBA in process of loading drvr */
+#define FC_UNLOADING		0x2000	/* HBA in process of unloading drvr */
+#define FC_SCSI_SCAN_TMO        0x4000	/* scsi scan timer running */
+#define FC_ABORT_DISCOVERY      0x8000	/* we want to abort discovery */
+#define FC_NDISC_ACTIVE         0x10000	/* NPort discovery active */
+
+	uint32_t fc_topology;	/* link topology, from LINK INIT */
+
+	struct lpfc_stats fc_stat;
+
+	/* These are the head/tail pointers for the bind, plogi, adisc, unmap,
+	 *  and map lists.  Their counters are immediately following.
+	 */
+	struct list_head fc_plogi_list;
+	struct list_head fc_adisc_list;
+	struct list_head fc_reglogin_list;
+	struct list_head fc_prli_list;
+	struct list_head fc_nlpunmap_list;
+	struct list_head fc_nlpmap_list;
+	struct list_head fc_npr_list;
+	struct list_head fc_unused_list;
+
+	/* Keep counters for the number of entries in each list. */
+	uint16_t fc_plogi_cnt;
+	uint16_t fc_adisc_cnt;
+	uint16_t fc_reglogin_cnt;
+	uint16_t fc_prli_cnt;
+	uint16_t fc_unmap_cnt;
+	uint16_t fc_map_cnt;
+	uint16_t fc_npr_cnt;
+	uint16_t fc_unused_cnt;
+	struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
+	uint32_t nport_event_cnt;	/* timestamp for nlplist entry */
+
+#define LPFC_RPI_HASH_SIZE     64
+#define LPFC_RPI_HASH_FUNC(x)  ((x) & (0x3f))
+	/* ptr to active D_ID / RPIs */
+	struct lpfc_nodelist *fc_nlplookup[LPFC_RPI_HASH_SIZE];
+	uint32_t wwnn[2];
+	uint32_t RandomData[7];
+
+	uint32_t cfg_log_verbose;
+	uint32_t cfg_lun_queue_depth;
+	uint32_t cfg_nodev_tmo;
+	uint32_t cfg_hba_queue_depth;
+	uint32_t cfg_fcp_class;
+	uint32_t cfg_use_adisc;
+	uint32_t cfg_ack0;
+	uint32_t cfg_topology;
+	uint32_t cfg_scan_down;
+	uint32_t cfg_link_speed;
+	uint32_t cfg_cr_delay;
+	uint32_t cfg_cr_count;
+	uint32_t cfg_fdmi_on;
+	uint32_t cfg_fcp_bind_method;
+	uint32_t cfg_discovery_threads;
+	uint32_t cfg_max_luns;
+	uint32_t cfg_sg_seg_cnt;
+	uint32_t cfg_sg_dma_buf_size;
+
+	lpfc_vpd_t vpd;		/* vital product data */
+
+	struct Scsi_Host *host;
+	struct pci_dev *pcidev;
+	struct list_head      work_list;
+	uint32_t              work_ha;      /* Host Attention Bits for WT */
+	uint32_t              work_ha_mask; /* HA Bits owned by WT        */
+	uint32_t              work_hs;      /* HS stored in case of ERRAT */
+	uint32_t              work_status[2]; /* Extra status from SLIM */
+	uint32_t              work_hba_events; /* Timeout to be handled  */
+#define WORKER_DISC_TMO                0x1	/* Discovery timeout */
+#define WORKER_ELS_TMO                 0x2	/* ELS timeout */
+#define WORKER_MBOX_TMO                0x4	/* MBOX timeout */
+#define WORKER_FDMI_TMO                0x8	/* FDMI timeout */
+
+	wait_queue_head_t    *work_wait;
+	struct task_struct   *worker_thread;
+
+	unsigned long pci_bar0_map;     /* Physical address for PCI BAR0 */
+	unsigned long pci_bar2_map;     /* Physical address for PCI BAR2 */
+	void __iomem *slim_memmap_p;	/* Kernel memory mapped address for
+					   PCI BAR0 */
+	void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
+					    PCI BAR2 */
+
+	void __iomem *MBslimaddr;	/* virtual address for mbox cmds */
+	void __iomem *HAregaddr;	/* virtual address for host attn reg */
+	void __iomem *CAregaddr;	/* virtual address for chip attn reg */
+	void __iomem *HSregaddr;	/* virtual address for host status
+					   reg */
+	void __iomem *HCregaddr;	/* virtual address for host ctl reg */
+
+	int brd_no;			/* FC board number */
+
+	char SerialNumber[32];		/* adapter Serial Number */
+	char OptionROMVersion[32];	/* adapter BIOS / Fcode version */
+	char ModelDesc[256];		/* Model Description */
+	char ModelName[80];		/* Model Name */
+	char ProgramType[256];		/* Program Type */
+	char Port[20];			/* Port No */
+	uint8_t vpd_flag;               /* VPD data flag */
+
+#define VPD_MODEL_DESC      0x1         /* valid vpd model description */
+#define VPD_MODEL_NAME      0x2         /* valid vpd model name */
+#define VPD_PROGRAM_TYPE    0x4         /* valid vpd program type */
+#define VPD_PORT            0x8         /* valid vpd port data */
+#define VPD_MASK            0xf         /* mask for any vpd data */
+
+	struct timer_list els_tmofunc;
+
+	void *link_stats;
+
+	/*
+	 * stat  counters
+	 */
+	uint64_t fc4InputRequests;
+	uint64_t fc4OutputRequests;
+	uint64_t fc4ControlRequests;
+
+	struct lpfc_sysfs_mbox sysfs_mbox;
+
+	/* fastpath list. */
+	struct list_head lpfc_scsi_buf_list;
+	uint32_t total_scsi_bufs;
+	struct list_head lpfc_iocb_list;
+	uint32_t total_iocbq_bufs;
+
+	/* pci_mem_pools */
+	struct pci_pool *lpfc_scsi_dma_buf_pool;
+	struct pci_pool *lpfc_mbuf_pool;
+	struct lpfc_dma_pool lpfc_mbuf_safety_pool;
+
+	mempool_t *mbox_mem_pool;
+	mempool_t *nlp_mem_pool;
+	struct list_head freebufList;
+	struct list_head ctrspbuflist;
+	struct list_head rnidrspbuflist;
+};
+
+
+struct rnidrsp {
+	void *buf;
+	uint32_t uniqueid;
+	struct list_head list;
+	uint32_t data;
+};