/*******************************************************************
* 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. *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
+ * Portions Copyright (C) 2004-2005 Christoph Hellwig *
* *
* 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. *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. 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 1.134 2004/11/18 14:53:45EST sf_support Exp $
- */
-
-#ifndef _H_LPFC
-#define _H_LPFC
-
struct lpfc_sli2_slim;
-#define LPFC_MAX_TARGET 256 /* max nunber of targets
- supported */
-#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
- requests */
-#define LPFC_MAX_NS_RETRY 3 /* Try to get to the NameServer
- 3 times and then give up. */
-#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 the SLIM2 page size. */
-#define LPFC_SLIM2_PAGE_AREA 8192
+#define LPFC_MAX_TARGET 256 /* max number of targets supported */
+#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
+ requests */
+#define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
+ the NameServer before giving up. */
+#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 3 /* 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 LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
/* Define macros for 64 bit support */
#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
#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
+#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
+#define FC_MAX_ADPTMSG 64
-#if __LITTLE_ENDIAN
+#define MAX_HBAEVT 32
-#define putLunLow(lunlow, lun) \
- { \
- lunlow = 0; \
- }
+enum lpfc_polling_flags {
+ ENABLE_FCP_RING_POLLING = 0x1,
+ DISABLE_FCP_RING_INT = 0x2
+};
-#define putLunHigh(lunhigh, lun) \
- { \
- lunhigh = swab16(lun); \
- }
+/* 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 */
+};
-#else /* BIG_ENDIAN_HOST */
+struct lpfc_dma_pool {
+ struct lpfc_dmabuf *elements;
+ uint32_t max_count;
+ uint32_t current_count;
+};
-#define putLunLow(lunlow, lun) \
- { \
- lunlow = 0; \
- }
+/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
+#define MEM_PRI 0x100
-#define putLunHigh(lunhigh, lun) \
- { \
- lunhigh = (uint32_t)(lun << 16); \
- }
-#endif
/****************************************************************************/
/* Device VPD save area */
struct lpfc_scsi_buf;
-struct lpfc_hba_event {
- uint32_t fc_eventcode;
- uint32_t fc_evdata1;
- uint32_t fc_evdata2;
- uint32_t fc_evdata3;
- uint32_t fc_evdata4;
-};
/*
* lpfc stat counters
uint32_t elsRcvLOGO;
uint32_t elsRcvPRLO;
uint32_t elsRcvPRLI;
- uint32_t elsRcvRRQ;
+ uint32_t elsRcvLIRR;
+ uint32_t elsRcvRPS;
+ uint32_t elsRcvRPL;
uint32_t elsXmitFLOGI;
uint32_t elsXmitPLOGI;
uint32_t elsXmitPRLI;
};
struct lpfc_hba {
- uint32_t intr_inited; /* flag for interrupt registration */
- struct list_head hba_list; /* List of hbas/ports */
struct lpfc_sli sli;
struct lpfc_sli2_slim *slim2p;
dma_addr_t slim2p_mapping;
-
- 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
+ uint16_t pci_cfg_value;
+
+ int32_t hba_state;
+
+#define LPFC_STATE_UNKNOWN 0 /* HBA state is unknown */
+#define LPFC_WARM_START 1 /* HBA state after selective reset */
+#define LPFC_INIT_START 2 /* Initial state after board reset */
+#define LPFC_INIT_MBX_CMDS 3 /* Initialize HBA with mbox commands */
+#define LPFC_LINK_DOWN 4 /* HBA initialized, link is down */
+#define LPFC_LINK_UP 5 /* Link is up - issue READ_LA */
+#define LPFC_LOCAL_CFG_LINK 6 /* local NPORT Id configured */
+#define LPFC_FLOGI 7 /* FLOGI sent to Fabric */
+#define LPFC_FABRIC_CFG_LINK 8 /* 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
+#define LPFC_NS_REG 9 /* Register with NameServer */
+#define LPFC_NS_QRY 10 /* Query NameServer for NPort ID list */
+#define LPFC_BUILD_DISC_LIST 11 /* 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
+#define LPFC_DISC_AUTH 12 /* Processing ADISC list */
+#define LPFC_CLEAR_LA 13 /* authentication cmplt - issue
CLEAR_LA */
#define LPFC_HBA_READY 32
-#define LPFC_HBA_ERROR 0xff
+#define LPFC_HBA_ERROR -1
+ int32_t stopped; /* HBA has not been restarted since last ERATT */
uint8_t fc_linkspeed; /* Link speed after last READ_LA */
uint32_t fc_eventTag; /* event tag for link attention */
uint32_t num_disc_nodes; /*in addition to hba_state */
- uint8_t fcp_mapping; /* Map FCP devices based on WWNN WWPN or DID */
-#define FCP_SEED_WWNN 0x1
-#define FCP_SEED_WWPN 0x2
-#define FCP_SEED_DID 0x4
-#define FCP_SEED_MASK 0x7
-#define FCP_SEED_AUTO 0x8 /* binding was created by auto mapping */
-
struct timer_list fc_estabtmo; /* link establishment timer */
struct timer_list fc_disctmo; /* Discovery rescue timer */
struct timer_list fc_fdmitmo; /* fdmi timer */
- struct timer_list fc_scantmo; /* scsi scan host timer */
-
-
- void *fc_evt_head; /* waiting for event queue */
- void *fc_evt_tail; /* waiting for event queue */
-
- uint16_t hba_event_put; /* hbaevent event put word anchor */
- uint16_t hba_event_get; /* hbaevent event get word anchor */
- uint32_t hba_event_missed; /* hbaevent missed event word anchor */
- uint32_t sid_cnt; /* SCSI ID counter */
-
- struct lpfc_hba_event hbaevt[MAX_HBAEVT];
-
/* These fields used to be binfo */
struct lpfc_name fc_nodename; /* fc nodename */
struct lpfc_name fc_portname; /* fc portname */
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_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_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_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 */
+#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
uint32_t fc_topology; /* link topology, from LINK INIT */
/* These are the head/tail pointers for the bind, plogi, adisc, unmap,
* and map lists. Their counters are immediately following.
*/
- struct list_head fc_nlpbind_list;
struct list_head fc_plogi_list;
struct list_head fc_adisc_list;
struct list_head fc_reglogin_list;
struct list_head fc_unused_list;
/* Keep counters for the number of entries in each list. */
- uint16_t fc_bind_cnt;
uint16_t fc_plogi_cnt;
uint16_t fc_adisc_cnt;
uint16_t fc_reglogin_cnt;
struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
uint32_t nport_event_cnt; /* timestamp for nlplist entry */
- struct lpfc_target *device_queue_hash[MAX_FCP_TARGET];
-#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_devloss_tmo;
uint32_t cfg_hba_queue_depth;
- uint32_t cfg_automap;
uint32_t cfg_fcp_class;
uint32_t cfg_use_adisc;
uint32_t cfg_ack0;
uint32_t cfg_link_speed;
uint32_t cfg_cr_delay;
uint32_t cfg_cr_count;
+ uint32_t cfg_multi_ring_support;
+ uint32_t cfg_multi_ring_rctl;
+ uint32_t cfg_multi_ring_type;
uint32_t cfg_fdmi_on;
- uint32_t cfg_fcp_bind_method;
uint32_t cfg_discovery_threads;
uint32_t cfg_max_luns;
- uint32_t cfg_scsi_hotplug;
+ uint32_t cfg_poll;
+ uint32_t cfg_poll_tmo;
+ uint32_t cfg_use_msi;
+ uint32_t cfg_sg_seg_cnt;
+ uint32_t cfg_sg_dma_buf_size;
+ uint64_t cfg_soft_wwnn;
+ uint64_t cfg_soft_wwpn;
- lpfc_vpd_t vpd; /* vital product data */
+ uint32_t dev_loss_tmo_changed;
-#if defined(FC_TRANS_265_BLKPATCH)
- /*
- * Provide a per-HBA timer for 2.6.5 kernels patched with the
- * block/unblock FC transport patch.
- */
- struct timer_list dev_loss_timer;
-#endif
+ lpfc_vpd_t vpd; /* vital product data */
struct Scsi_Host *host;
struct pci_dev *pcidev;
- struct list_head dpc_disc;
-
- pid_t dpc_pid;
- int dpc_kill;
- struct completion dpc_startup;
- struct completion dpc_exiting;
- struct semaphore *dpc_wait;
+ 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 *slim_memmap_p; /* Kernel memory mapped address for PCI
- BAR0 */
- void *ctrl_regs_memmap_p; /* Kernel memory mapped address for PCI
- BAR2 */
-
- void *MBslimaddr; /* virtual address for mbox cmds */
- void *HAregaddr; /* virtual address for host attn reg */
- void *CAregaddr; /* virtual address for chip attn reg */
- void *HSregaddr; /* virtual address for host status reg */
- void *HCregaddr; /* virtual address for host ctl reg */
- wait_queue_head_t linkevtwq;
- wait_queue_head_t rscnevtwq;
- wait_queue_head_t ctevtwq;
-
- uint8_t brd_no; /* FC board number */
-
- char SerialNumber[32]; /* adapter Serial Number */
+ 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 */
- struct timer_list els_tmofunc;
+#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 */
+
+ uint8_t soft_wwn_enable;
- void *link_stats;
+ struct timer_list fcp_poll_timer;
+ struct timer_list els_tmofunc;
/*
* stat counters
uint64_t fc4ControlRequests;
struct lpfc_sysfs_mbox sysfs_mbox;
-;
+
+ /* fastpath list. */
+ spinlock_t scsi_buf_list_lock;
+ 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_ext_pool;
+ struct pci_pool *lpfc_scsi_dma_buf_pool;
struct pci_pool *lpfc_mbuf_pool;
struct lpfc_dma_pool lpfc_mbuf_safety_pool;
- mempool_t *scsibuf_mem_pool;
- mempool_t *iocb_mem_pool;
mempool_t *mbox_mem_pool;
mempool_t *nlp_mem_pool;
- mempool_t *bind_mem_pool;
struct list_head freebufList;
struct list_head ctrspbuflist;
struct list_head rnidrspbuflist;
+
+ struct fc_host_statistics link_stats;
};
-/* event mask definitions */
-#define FC_REG_LINK_EVENT 0x1 /* Register for link up / down events */
-#define FC_REG_RSCN_EVENT 0x2 /* Register for RSCN events */
-#define FC_REG_CT_EVENT 0x4 /* Register for CT request events */
-
-#define FC_FSTYPE_ALL 0xffff /* match on all fsTypes */
-
-typedef struct fcEVT { /* Kernel level Event structure */
- uint32_t evt_handle;
- uint32_t evt_mask;
- uint32_t evt_data0;
- uint16_t evt_sleep;
- uint16_t evt_flags;
- void *evt_type;
- void *evt_next;
- void *evt_data1;
- uint32_t evt_data2;
-} fcEVT_t;
-
-typedef struct fcEVTHDR { /* Kernel level Event Header */
- uint32_t e_handle;
- uint32_t e_mask;
- uint16_t e_mode;
-#define E_SLEEPING_MODE 0x0001
- uint16_t e_refcnt;
- uint16_t e_flag;
-#define E_GET_EVENT_ACTIVE 0x0001
- fcEVT_t *e_head;
- fcEVT_t *e_tail;
- void *e_next_header;
- void *e_type;
-} fcEVTHDR_t;
struct rnidrsp {
void *buf;
uint32_t data;
};
-#endif /* _H_LPFC */
+#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */