977 lines
32 KiB
C
977 lines
32 KiB
C
/*******************************************************************
|
|
* This file is part of the Emulex Linux Device Driver for *
|
|
* Fibre Channel Host Bus Adapters. *
|
|
* Copyright (C) 2004-2011 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 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. *
|
|
*******************************************************************/
|
|
|
|
#include <scsi/scsi_host.h>
|
|
struct lpfc_sli2_slim;
|
|
|
|
#define LPFC_PCI_DEV_LP 0x1
|
|
#define LPFC_PCI_DEV_OC 0x2
|
|
|
|
#define LPFC_SLI_REV2 2
|
|
#define LPFC_SLI_REV3 3
|
|
#define LPFC_SLI_REV4 4
|
|
|
|
#define LPFC_MAX_TARGET 4096 /* 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_CMD_PER_LUN 3 /* max outstanding cmds per lun */
|
|
#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
|
|
#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
|
|
cmnd for menlo needs nearly twice as for firmware
|
|
downloads using bsg */
|
|
#define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
|
|
#define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
|
|
#define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */
|
|
#define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/
|
|
#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 LPFC_VNAME_LEN 100 /* vport symbolic name length */
|
|
#define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
|
|
queue depth change in millisecs */
|
|
#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
|
|
#define LPFC_MIN_TGT_QDEPTH 10
|
|
#define LPFC_MAX_TGT_QDEPTH 0xFFFF
|
|
|
|
#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
|
|
collection. */
|
|
/*
|
|
* Following time intervals are used of adjusting SCSI device
|
|
* queue depths when there are driver resource error or Firmware
|
|
* resource error.
|
|
*/
|
|
#define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
|
|
#define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */
|
|
|
|
/* Number of exchanges reserved for discovery to complete */
|
|
#define LPFC_DISC_IOCB_BUFF_COUNT 20
|
|
|
|
#define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
|
|
#define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
|
|
|
|
/* Error Attention event polling interval */
|
|
#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
|
|
|
|
/* 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 FC_MAX_ADPTMSG 64
|
|
|
|
#define MAX_HBAEVT 32
|
|
|
|
/* Number of MSI-X vectors the driver uses */
|
|
#define LPFC_MSIX_VECTORS 2
|
|
|
|
/* lpfc wait event data ready flag */
|
|
#define LPFC_DATA_READY (1<<0)
|
|
|
|
enum lpfc_polling_flags {
|
|
ENABLE_FCP_RING_POLLING = 0x1,
|
|
DISABLE_FCP_RING_INT = 0x2
|
|
};
|
|
|
|
/* 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 */
|
|
uint32_t buffer_tag; /* used for tagged queue ring */
|
|
};
|
|
|
|
struct lpfc_dma_pool {
|
|
struct lpfc_dmabuf *elements;
|
|
uint32_t max_count;
|
|
uint32_t current_count;
|
|
};
|
|
|
|
struct hbq_dmabuf {
|
|
struct lpfc_dmabuf hbuf;
|
|
struct lpfc_dmabuf dbuf;
|
|
uint32_t size;
|
|
uint32_t tag;
|
|
struct lpfc_cq_event cq_event;
|
|
unsigned long time_stamp;
|
|
};
|
|
|
|
/* 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;
|
|
struct {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint32_t rsvd3 :19; /* Reserved */
|
|
uint32_t cdss : 1; /* Configure Data Security SLI */
|
|
uint32_t rsvd2 : 3; /* Reserved */
|
|
uint32_t cbg : 1; /* Configure BlockGuard */
|
|
uint32_t cmv : 1; /* Configure Max VPIs */
|
|
uint32_t ccrp : 1; /* Config Command Ring Polling */
|
|
uint32_t csah : 1; /* Configure Synchronous Abort Handling */
|
|
uint32_t chbs : 1; /* Cofigure Host Backing store */
|
|
uint32_t cinb : 1; /* Enable Interrupt Notification Block */
|
|
uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
|
|
uint32_t cmx : 1; /* Configure Max XRIs */
|
|
uint32_t cmr : 1; /* Configure Max RPIs */
|
|
#else /* __LITTLE_ENDIAN */
|
|
uint32_t cmr : 1; /* Configure Max RPIs */
|
|
uint32_t cmx : 1; /* Configure Max XRIs */
|
|
uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
|
|
uint32_t cinb : 1; /* Enable Interrupt Notification Block */
|
|
uint32_t chbs : 1; /* Cofigure Host Backing store */
|
|
uint32_t csah : 1; /* Configure Synchronous Abort Handling */
|
|
uint32_t ccrp : 1; /* Config Command Ring Polling */
|
|
uint32_t cmv : 1; /* Configure Max VPIs */
|
|
uint32_t cbg : 1; /* Configure BlockGuard */
|
|
uint32_t rsvd2 : 3; /* Reserved */
|
|
uint32_t cdss : 1; /* Configure Data Security SLI */
|
|
uint32_t rsvd3 :19; /* Reserved */
|
|
#endif
|
|
} sli3Feat;
|
|
} 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 elsRcvLIRR;
|
|
uint32_t elsRcvRLS;
|
|
uint32_t elsRcvRPS;
|
|
uint32_t elsRcvRPL;
|
|
uint32_t elsRcvRRQ;
|
|
uint32_t elsRcvRTV;
|
|
uint32_t elsRcvECHO;
|
|
uint32_t elsXmitFLOGI;
|
|
uint32_t elsXmitFDISC;
|
|
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;
|
|
|
|
|
|
enum discovery_state {
|
|
LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
|
|
LPFC_VPORT_FAILED = 1, /* vport has failed */
|
|
LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
|
|
LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
|
|
LPFC_FDISC = 8, /* FDISC sent for vport */
|
|
LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
|
|
* configured */
|
|
LPFC_NS_REG = 10, /* Register with NameServer */
|
|
LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
|
|
LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
|
|
* device authentication / discovery */
|
|
LPFC_DISC_AUTH = 13, /* Processing ADISC list */
|
|
LPFC_VPORT_READY = 32,
|
|
};
|
|
|
|
enum hba_state {
|
|
LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
|
|
LPFC_WARM_START = 1, /* HBA state after selective reset */
|
|
LPFC_INIT_START = 2, /* Initial state after board reset */
|
|
LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
|
|
LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
|
|
LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
|
|
LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
|
|
* CLEAR_LA */
|
|
LPFC_HBA_READY = 32,
|
|
LPFC_HBA_ERROR = -1
|
|
};
|
|
|
|
struct lpfc_vport {
|
|
struct lpfc_hba *phba;
|
|
struct list_head listentry;
|
|
uint8_t port_type;
|
|
#define LPFC_PHYSICAL_PORT 1
|
|
#define LPFC_NPIV_PORT 2
|
|
#define LPFC_FABRIC_PORT 3
|
|
enum discovery_state port_state;
|
|
|
|
uint16_t vpi;
|
|
uint16_t vfi;
|
|
uint8_t vpi_state;
|
|
#define LPFC_VPI_REGISTERED 0x1
|
|
|
|
uint32_t fc_flag; /* FC flags */
|
|
/* Several of these flags are HBA centric and should be moved to
|
|
* phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
|
|
*/
|
|
#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_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
|
|
#define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
|
|
#define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
|
|
#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 */
|
|
#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
|
|
#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
|
|
#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
|
|
#define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
|
|
#define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
|
|
#define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
|
|
#define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
|
|
|
|
uint32_t ct_flags;
|
|
#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
|
|
#define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
|
|
#define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
|
|
#define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
|
|
#define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
|
|
|
|
struct list_head fc_nodes;
|
|
|
|
/* 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 serv_parm fc_sparam; /* buffer for our service parameters */
|
|
|
|
uint32_t fc_myDID; /* fibre channel S_ID */
|
|
uint32_t fc_prevDID; /* previous fibre channel S_ID */
|
|
struct lpfc_name fabric_portname;
|
|
struct lpfc_name fabric_nodename;
|
|
|
|
int32_t stopped; /* HBA has not been restarted since last ERATT */
|
|
uint8_t fc_linkspeed; /* Link speed after last READ_LA */
|
|
|
|
uint32_t num_disc_nodes; /*in addition to hba_state */
|
|
|
|
uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
|
|
uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
|
|
uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
|
|
struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
|
|
struct lpfc_name fc_nodename; /* fc nodename */
|
|
struct lpfc_name fc_portname; /* fc portname */
|
|
|
|
struct lpfc_work_evt disc_timeout_evt;
|
|
|
|
struct timer_list fc_disctmo; /* Discovery rescue timer */
|
|
uint8_t fc_ns_retry; /* retries for fabric nameserver */
|
|
uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
|
|
|
|
spinlock_t work_port_lock;
|
|
uint32_t work_port_events; /* Timeout to be handled */
|
|
#define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
|
|
#define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
|
|
#define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
|
|
#define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
|
|
|
|
#define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
|
|
#define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
|
|
#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
|
|
#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
|
|
#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
|
|
#define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
|
|
|
|
struct timer_list fc_fdmitmo;
|
|
struct timer_list els_tmofunc;
|
|
struct timer_list delayed_disc_tmo;
|
|
|
|
int unreg_vpi_cmpl;
|
|
|
|
uint8_t load_flag;
|
|
#define FC_LOADING 0x1 /* HBA in process of loading drvr */
|
|
#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
|
|
/* Vport Config Parameters */
|
|
uint32_t cfg_scan_down;
|
|
uint32_t cfg_lun_queue_depth;
|
|
uint32_t cfg_nodev_tmo;
|
|
uint32_t cfg_devloss_tmo;
|
|
uint32_t cfg_restrict_login;
|
|
uint32_t cfg_peer_port_login;
|
|
uint32_t cfg_fcp_class;
|
|
uint32_t cfg_use_adisc;
|
|
uint32_t cfg_fdmi_on;
|
|
uint32_t cfg_discovery_threads;
|
|
uint32_t cfg_log_verbose;
|
|
uint32_t cfg_max_luns;
|
|
uint32_t cfg_enable_da_id;
|
|
uint32_t cfg_max_scsicmpl_time;
|
|
uint32_t cfg_tgt_queue_depth;
|
|
|
|
uint32_t dev_loss_tmo_changed;
|
|
|
|
struct fc_vport *fc_vport;
|
|
|
|
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
|
|
struct dentry *debug_disc_trc;
|
|
struct dentry *debug_nodelist;
|
|
struct dentry *vport_debugfs_root;
|
|
struct lpfc_debugfs_trc *disc_trc;
|
|
atomic_t disc_trc_cnt;
|
|
#endif
|
|
uint8_t stat_data_enabled;
|
|
uint8_t stat_data_blocked;
|
|
struct list_head rcv_buffer_list;
|
|
unsigned long rcv_buffer_time_stamp;
|
|
uint32_t vport_flag;
|
|
#define STATIC_VPORT 1
|
|
};
|
|
|
|
struct hbq_s {
|
|
uint16_t entry_count; /* Current number of HBQ slots */
|
|
uint16_t buffer_count; /* Current number of buffers posted */
|
|
uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
|
|
uint32_t hbqPutIdx; /* HBQ slot to use */
|
|
uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
|
|
void *hbq_virt; /* Virtual ptr to this hbq */
|
|
struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
|
|
/* Callback for HBQ buffer allocation */
|
|
struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
|
|
/* Callback for HBQ buffer free */
|
|
void (*hbq_free_buffer) (struct lpfc_hba *,
|
|
struct hbq_dmabuf *);
|
|
};
|
|
|
|
#define LPFC_MAX_HBQS 4
|
|
/* this matches the position in the lpfc_hbq_defs array */
|
|
#define LPFC_ELS_HBQ 0
|
|
#define LPFC_EXTRA_HBQ 1
|
|
|
|
enum hba_temp_state {
|
|
HBA_NORMAL_TEMP,
|
|
HBA_OVER_TEMP
|
|
};
|
|
|
|
enum intr_type_t {
|
|
NONE = 0,
|
|
INTx,
|
|
MSI,
|
|
MSIX,
|
|
};
|
|
|
|
struct unsol_rcv_ct_ctx {
|
|
uint32_t ctxt_id;
|
|
uint32_t SID;
|
|
uint32_t oxid;
|
|
uint32_t flags;
|
|
#define UNSOL_VALID 0x00000001
|
|
};
|
|
|
|
#define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
|
|
#define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
|
|
#define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
|
|
#define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
|
|
#define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
|
|
#define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
|
|
#define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
|
|
#define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_16G
|
|
#define LPFC_USER_LINK_SPEED_BITMAP ((1 << LPFC_USER_LINK_SPEED_16G) | \
|
|
(1 << LPFC_USER_LINK_SPEED_10G) | \
|
|
(1 << LPFC_USER_LINK_SPEED_8G) | \
|
|
(1 << LPFC_USER_LINK_SPEED_4G) | \
|
|
(1 << LPFC_USER_LINK_SPEED_2G) | \
|
|
(1 << LPFC_USER_LINK_SPEED_1G) | \
|
|
(1 << LPFC_USER_LINK_SPEED_AUTO))
|
|
#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16"
|
|
|
|
enum nemb_type {
|
|
nemb_mse = 1,
|
|
nemb_hbd
|
|
};
|
|
|
|
enum mbox_type {
|
|
mbox_rd = 1,
|
|
mbox_wr
|
|
};
|
|
|
|
enum dma_type {
|
|
dma_mbox = 1,
|
|
dma_ebuf
|
|
};
|
|
|
|
enum sta_type {
|
|
sta_pre_addr = 1,
|
|
sta_pos_addr
|
|
};
|
|
|
|
struct lpfc_mbox_ext_buf_ctx {
|
|
uint32_t state;
|
|
#define LPFC_BSG_MBOX_IDLE 0
|
|
#define LPFC_BSG_MBOX_HOST 1
|
|
#define LPFC_BSG_MBOX_PORT 2
|
|
#define LPFC_BSG_MBOX_DONE 3
|
|
#define LPFC_BSG_MBOX_ABTS 4
|
|
enum nemb_type nembType;
|
|
enum mbox_type mboxType;
|
|
uint32_t numBuf;
|
|
uint32_t mbxTag;
|
|
uint32_t seqNum;
|
|
struct lpfc_dmabuf *mbx_dmabuf;
|
|
struct list_head ext_dmabuf_list;
|
|
};
|
|
|
|
struct lpfc_hba {
|
|
/* SCSI interface function jump table entries */
|
|
int (*lpfc_new_scsi_buf)
|
|
(struct lpfc_vport *, int);
|
|
struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
|
|
(struct lpfc_hba *, struct lpfc_nodelist *);
|
|
int (*lpfc_scsi_prep_dma_buf)
|
|
(struct lpfc_hba *, struct lpfc_scsi_buf *);
|
|
void (*lpfc_scsi_unprep_dma_buf)
|
|
(struct lpfc_hba *, struct lpfc_scsi_buf *);
|
|
void (*lpfc_release_scsi_buf)
|
|
(struct lpfc_hba *, struct lpfc_scsi_buf *);
|
|
void (*lpfc_rampdown_queue_depth)
|
|
(struct lpfc_hba *);
|
|
void (*lpfc_scsi_prep_cmnd)
|
|
(struct lpfc_vport *, struct lpfc_scsi_buf *,
|
|
struct lpfc_nodelist *);
|
|
/* IOCB interface function jump table entries */
|
|
int (*__lpfc_sli_issue_iocb)
|
|
(struct lpfc_hba *, uint32_t,
|
|
struct lpfc_iocbq *, uint32_t);
|
|
void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
|
|
struct lpfc_iocbq *);
|
|
int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
|
|
|
|
|
|
IOCB_t * (*lpfc_get_iocb_from_iocbq)
|
|
(struct lpfc_iocbq *);
|
|
void (*lpfc_scsi_cmd_iocb_cmpl)
|
|
(struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
|
|
|
|
/* MBOX interface function jump table entries */
|
|
int (*lpfc_sli_issue_mbox)
|
|
(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
|
|
/* Slow-path IOCB process function jump table entries */
|
|
void (*lpfc_sli_handle_slow_ring_event)
|
|
(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
|
|
uint32_t mask);
|
|
/* INIT device interface function jump table entries */
|
|
int (*lpfc_sli_hbq_to_firmware)
|
|
(struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
|
|
int (*lpfc_sli_brdrestart)
|
|
(struct lpfc_hba *);
|
|
int (*lpfc_sli_brdready)
|
|
(struct lpfc_hba *, uint32_t);
|
|
void (*lpfc_handle_eratt)
|
|
(struct lpfc_hba *);
|
|
void (*lpfc_stop_port)
|
|
(struct lpfc_hba *);
|
|
int (*lpfc_hba_init_link)
|
|
(struct lpfc_hba *, uint32_t);
|
|
int (*lpfc_hba_down_link)
|
|
(struct lpfc_hba *, uint32_t);
|
|
int (*lpfc_selective_reset)
|
|
(struct lpfc_hba *);
|
|
|
|
/* SLI4 specific HBA data structure */
|
|
struct lpfc_sli4_hba sli4_hba;
|
|
|
|
struct lpfc_sli sli;
|
|
uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
|
|
uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
|
|
uint32_t sli3_options; /* Mask of enabled SLI3 options */
|
|
#define LPFC_SLI3_HBQ_ENABLED 0x01
|
|
#define LPFC_SLI3_NPIV_ENABLED 0x02
|
|
#define LPFC_SLI3_VPORT_TEARDOWN 0x04
|
|
#define LPFC_SLI3_CRP_ENABLED 0x08
|
|
#define LPFC_SLI3_BG_ENABLED 0x20
|
|
#define LPFC_SLI3_DSS_ENABLED 0x40
|
|
#define LPFC_SLI4_PERFH_ENABLED 0x80
|
|
#define LPFC_SLI4_PHWQ_ENABLED 0x100
|
|
uint32_t iocb_cmd_size;
|
|
uint32_t iocb_rsp_size;
|
|
|
|
enum hba_state link_state;
|
|
uint32_t link_flag; /* link state flags */
|
|
#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
|
|
/* This flag is set while issuing */
|
|
/* INIT_LINK mailbox command */
|
|
#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
|
|
#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
|
|
|
|
uint32_t hba_flag; /* hba generic flags */
|
|
#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
|
|
#define DEFER_ERATT 0x2 /* Deferred error attention in progress */
|
|
#define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
|
|
#define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
|
|
#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
|
|
#define FCP_XRI_ABORT_EVENT 0x20
|
|
#define ELS_XRI_ABORT_EVENT 0x40
|
|
#define ASYNC_EVENT 0x80
|
|
#define LINK_DISABLED 0x100 /* Link disabled by user */
|
|
#define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
|
|
#define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
|
|
#define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
|
|
#define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
|
|
#define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
|
|
#define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
|
|
uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
|
|
struct lpfc_dmabuf slim2p;
|
|
|
|
MAILBOX_t *mbox;
|
|
uint32_t *mbox_ext;
|
|
struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
|
|
uint32_t ha_copy;
|
|
struct _PCB *pcb;
|
|
struct _IOCB *IOCBs;
|
|
|
|
struct lpfc_dmabuf hbqslimp;
|
|
|
|
uint16_t pci_cfg_value;
|
|
|
|
uint8_t fc_linkspeed; /* Link speed after last READ_LA */
|
|
|
|
uint32_t fc_eventTag; /* event tag for link attention */
|
|
uint32_t link_events;
|
|
|
|
/* These fields used to be binfo */
|
|
uint32_t fc_pref_DID; /* preferred D_ID */
|
|
uint8_t fc_pref_ALPA; /* preferred AL_PA */
|
|
uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
|
|
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 */
|
|
|
|
struct serv_parm fc_fabparam; /* fabric service parameters buffer */
|
|
uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
|
|
|
|
uint32_t lmt;
|
|
|
|
uint32_t fc_topology; /* link topology, from LINK INIT */
|
|
|
|
struct lpfc_stats fc_stat;
|
|
|
|
struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
|
|
uint32_t nport_event_cnt; /* timestamp for nlplist entry */
|
|
|
|
uint8_t wwnn[8];
|
|
uint8_t wwpn[8];
|
|
uint32_t RandomData[7];
|
|
|
|
/* HBA Config Parameters */
|
|
uint32_t cfg_ack0;
|
|
uint32_t cfg_enable_npiv;
|
|
uint32_t cfg_enable_rrq;
|
|
uint32_t cfg_topology;
|
|
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_poll;
|
|
uint32_t cfg_poll_tmo;
|
|
uint32_t cfg_use_msi;
|
|
uint32_t cfg_fcp_imax;
|
|
uint32_t cfg_fcp_wq_count;
|
|
uint32_t cfg_fcp_eq_count;
|
|
uint32_t cfg_sg_seg_cnt;
|
|
uint32_t cfg_prot_sg_seg_cnt;
|
|
uint32_t cfg_sg_dma_buf_size;
|
|
uint64_t cfg_soft_wwnn;
|
|
uint64_t cfg_soft_wwpn;
|
|
uint32_t cfg_hba_queue_depth;
|
|
uint32_t cfg_enable_hba_reset;
|
|
uint32_t cfg_enable_hba_heartbeat;
|
|
uint32_t cfg_enable_bg;
|
|
uint32_t cfg_hostmem_hgp;
|
|
uint32_t cfg_log_verbose;
|
|
uint32_t cfg_aer_support;
|
|
uint32_t cfg_sriov_nr_virtfn;
|
|
uint32_t cfg_iocb_cnt;
|
|
uint32_t cfg_suppress_link_up;
|
|
#define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
|
|
#define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
|
|
#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
|
|
uint32_t cfg_enable_dss;
|
|
lpfc_vpd_t vpd; /* vital product data */
|
|
|
|
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 */
|
|
|
|
wait_queue_head_t work_waitq;
|
|
struct task_struct *worker_thread;
|
|
unsigned long data_flags;
|
|
|
|
uint32_t hbq_in_use; /* HBQs in use flag */
|
|
struct list_head rb_pend_list; /* Received buffers to be processed */
|
|
uint32_t hbq_count; /* Count of configured HBQs */
|
|
struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
|
|
|
|
uint32_t fcp_qidx; /* next work queue to post work to */
|
|
|
|
unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
|
|
unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */
|
|
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 */
|
|
|
|
struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
|
|
struct lpfc_pgp *port_gp;
|
|
uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
|
|
uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
|
|
|
|
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 */
|
|
|
|
uint8_t soft_wwn_enable;
|
|
|
|
struct timer_list fcp_poll_timer;
|
|
struct timer_list eratt_poll;
|
|
|
|
/*
|
|
* stat counters
|
|
*/
|
|
uint64_t fc4InputRequests;
|
|
uint64_t fc4OutputRequests;
|
|
uint64_t fc4ControlRequests;
|
|
uint64_t bg_guard_err_cnt;
|
|
uint64_t bg_apptag_err_cnt;
|
|
uint64_t bg_reftag_err_cnt;
|
|
|
|
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;
|
|
struct list_head active_rrq_list;
|
|
spinlock_t hbalock;
|
|
|
|
/* pci_mem_pools */
|
|
struct pci_pool *lpfc_scsi_dma_buf_pool;
|
|
struct pci_pool *lpfc_mbuf_pool;
|
|
struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
|
|
struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
|
|
struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
|
|
struct lpfc_dma_pool lpfc_mbuf_safety_pool;
|
|
|
|
mempool_t *mbox_mem_pool;
|
|
mempool_t *nlp_mem_pool;
|
|
mempool_t *rrq_pool;
|
|
|
|
struct fc_host_statistics link_stats;
|
|
enum intr_type_t intr_type;
|
|
uint32_t intr_mode;
|
|
#define LPFC_INTR_ERROR 0xFFFFFFFF
|
|
struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
|
|
|
|
struct list_head port_list;
|
|
struct lpfc_vport *pport; /* physical lpfc_vport pointer */
|
|
uint16_t max_vpi; /* Maximum virtual nports */
|
|
#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
|
|
uint16_t max_vports; /*
|
|
* For IOV HBAs max_vpi can change
|
|
* after a reset. max_vports is max
|
|
* number of vports present. This can
|
|
* be greater than max_vpi.
|
|
*/
|
|
uint16_t vpi_base;
|
|
uint16_t vfi_base;
|
|
unsigned long *vpi_bmask; /* vpi allocation table */
|
|
uint16_t *vpi_ids;
|
|
uint16_t vpi_count;
|
|
struct list_head lpfc_vpi_blk_list;
|
|
|
|
/* Data structure used by fabric iocb scheduler */
|
|
struct list_head fabric_iocb_list;
|
|
atomic_t fabric_iocb_count;
|
|
struct timer_list fabric_block_timer;
|
|
unsigned long bit_flags;
|
|
#define FABRIC_COMANDS_BLOCKED 0
|
|
atomic_t num_rsrc_err;
|
|
atomic_t num_cmd_success;
|
|
unsigned long last_rsrc_error_time;
|
|
unsigned long last_ramp_down_time;
|
|
unsigned long last_ramp_up_time;
|
|
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
|
|
struct dentry *hba_debugfs_root;
|
|
atomic_t debugfs_vport_count;
|
|
struct dentry *debug_hbqinfo;
|
|
struct dentry *debug_dumpHostSlim;
|
|
struct dentry *debug_dumpHBASlim;
|
|
struct dentry *debug_dumpData; /* BlockGuard BPL*/
|
|
struct dentry *debug_dumpDif; /* BlockGuard BPL*/
|
|
struct dentry *debug_slow_ring_trc;
|
|
struct lpfc_debugfs_trc *slow_ring_trc;
|
|
atomic_t slow_ring_trc_cnt;
|
|
/* iDiag debugfs sub-directory */
|
|
struct dentry *idiag_root;
|
|
struct dentry *idiag_pci_cfg;
|
|
struct dentry *idiag_que_info;
|
|
struct dentry *idiag_que_acc;
|
|
struct dentry *idiag_drb_acc;
|
|
#endif
|
|
|
|
/* Used for deferred freeing of ELS data buffers */
|
|
struct list_head elsbuf;
|
|
int elsbuf_cnt;
|
|
int elsbuf_prev_cnt;
|
|
|
|
uint8_t temp_sensor_support;
|
|
/* Fields used for heart beat. */
|
|
unsigned long last_completion_time;
|
|
unsigned long skipped_hb;
|
|
struct timer_list hb_tmofunc;
|
|
uint8_t hb_outstanding;
|
|
struct timer_list rrq_tmr;
|
|
enum hba_temp_state over_temp_state;
|
|
/* ndlp reference management */
|
|
spinlock_t ndlp_lock;
|
|
/*
|
|
* Following bit will be set for all buffer tags which are not
|
|
* associated with any HBQ.
|
|
*/
|
|
#define QUE_BUFTAG_BIT (1<<31)
|
|
uint32_t buffer_tag_count;
|
|
int wait_4_mlo_maint_flg;
|
|
wait_queue_head_t wait_4_mlo_m_q;
|
|
/* data structure used for latency data collection */
|
|
#define LPFC_NO_BUCKET 0
|
|
#define LPFC_LINEAR_BUCKET 1
|
|
#define LPFC_POWER2_BUCKET 2
|
|
uint8_t bucket_type;
|
|
uint32_t bucket_base;
|
|
uint32_t bucket_step;
|
|
|
|
/* Maximum number of events that can be outstanding at any time*/
|
|
#define LPFC_MAX_EVT_COUNT 512
|
|
atomic_t fast_event_count;
|
|
uint32_t fcoe_eventtag;
|
|
uint32_t fcoe_eventtag_at_fcf_scan;
|
|
struct lpfc_fcf fcf;
|
|
uint8_t fc_map[3];
|
|
uint8_t valid_vlan;
|
|
uint16_t vlan_id;
|
|
struct list_head fcf_conn_rec_list;
|
|
|
|
spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
|
|
struct list_head ct_ev_waiters;
|
|
struct unsol_rcv_ct_ctx ct_ctx[64];
|
|
uint32_t ctx_idx;
|
|
|
|
uint8_t menlo_flag; /* menlo generic flags */
|
|
#define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
|
|
uint32_t iocb_cnt;
|
|
uint32_t iocb_max;
|
|
atomic_t sdev_cnt;
|
|
uint8_t fips_spec_rev;
|
|
uint8_t fips_level;
|
|
};
|
|
|
|
static inline struct Scsi_Host *
|
|
lpfc_shost_from_vport(struct lpfc_vport *vport)
|
|
{
|
|
return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
|
|
}
|
|
|
|
static inline void
|
|
lpfc_set_loopback_flag(struct lpfc_hba *phba)
|
|
{
|
|
if (phba->cfg_topology == FLAGS_LOCAL_LB)
|
|
phba->link_flag |= LS_LOOPBACK_MODE;
|
|
else
|
|
phba->link_flag &= ~LS_LOOPBACK_MODE;
|
|
}
|
|
|
|
static inline int
|
|
lpfc_is_link_up(struct lpfc_hba *phba)
|
|
{
|
|
return phba->link_state == LPFC_LINK_UP ||
|
|
phba->link_state == LPFC_CLEAR_LA ||
|
|
phba->link_state == LPFC_HBA_READY;
|
|
}
|
|
|
|
static inline void
|
|
lpfc_worker_wake_up(struct lpfc_hba *phba)
|
|
{
|
|
/* Set the lpfc data pending flag */
|
|
set_bit(LPFC_DATA_READY, &phba->data_flags);
|
|
|
|
/* Wake up worker thread */
|
|
wake_up(&phba->work_waitq);
|
|
return;
|
|
}
|
|
|
|
static inline int
|
|
lpfc_readl(void __iomem *addr, uint32_t *data)
|
|
{
|
|
uint32_t temp;
|
|
temp = readl(addr);
|
|
if (temp == 0xffffffff)
|
|
return -EIO;
|
|
*data = temp;
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
lpfc_sli_read_hs(struct lpfc_hba *phba)
|
|
{
|
|
/*
|
|
* There was a link/board error. Read the status register to retrieve
|
|
* the error event and process it.
|
|
*/
|
|
phba->sli.slistat.err_attn_event++;
|
|
|
|
/* Save status info and check for unplug error */
|
|
if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
|
|
lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
|
|
lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
|
|
return -EIO;
|
|
}
|
|
|
|
/* Clear chip Host Attention error bit */
|
|
writel(HA_ERATT, phba->HAregaddr);
|
|
readl(phba->HAregaddr); /* flush */
|
|
phba->pport->stopped = 1;
|
|
|
|
return 0;
|
|
}
|