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aad37c8145
freebsd/sys/dev/isp/ispvar.h
Alexander Motin 523ea374b6 Optimize isp(4) to reduce CPU usage, especially in target mode: 
- Remove two excessive and slow register reads from isp_intr().  Instead
of rereading value every time, assume that registers contain what we have
written there.
 - Avoid sequential search through 4096 array elements when looking for
command tag.  Use hash of lists to store active tags separately from free
ones and so greatly speedup the searches.

Reviewed by:	mjacob
2013-10-17 20:19:15 +00:00

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/* $FreeBSD$ */
/*-
* Copyright (c) 1997-2009 by Matthew Jacob
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
* Soft Definitions for for Qlogic ISP SCSI adapters.
*/
#ifndef _ISPVAR_H
#define _ISPVAR_H
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include <dev/ic/isp_stds.h>
#include <dev/ic/ispmbox.h>
#endif
#ifdef __FreeBSD__
#include <dev/isp/isp_stds.h>
#include <dev/isp/ispmbox.h>
#endif
#ifdef __linux__
#include "isp_stds.h"
#include "ispmbox.h"
#endif
#ifdef __svr4__
#include "isp_stds.h"
#include "ispmbox.h"
#endif
#define ISP_CORE_VERSION_MAJOR 7
#define ISP_CORE_VERSION_MINOR 0
/*
* Vector for bus specific code to provide specific services.
*/
typedef struct ispsoftc ispsoftc_t;
struct ispmdvec {
int (*dv_rd_isr) (ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
uint32_t (*dv_rd_reg) (ispsoftc_t *, int);
void (*dv_wr_reg) (ispsoftc_t *, int, uint32_t);
int (*dv_mbxdma) (ispsoftc_t *);
int (*dv_dmaset) (ispsoftc_t *, XS_T *, void *);
void (*dv_dmaclr) (ispsoftc_t *, XS_T *, uint32_t);
void (*dv_reset0) (ispsoftc_t *);
void (*dv_reset1) (ispsoftc_t *);
void (*dv_dregs) (ispsoftc_t *, const char *);
const void * dv_ispfw; /* ptr to f/w */
uint16_t dv_conf1;
uint16_t dv_clock; /* clock frequency */
};
/*
* Overall parameters
*/
#define MAX_TARGETS 16
#ifndef MAX_FC_TARG
#define MAX_FC_TARG 256
#endif
#define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS)
#define ISP_MAX_LUNS(isp) (isp)->isp_maxluns
/*
* Macros to access ISP registers through bus specific layers-
* mostly wrappers to vector through the mdvec structure.
*/
#define ISP_READ_ISR(isp, isrp, semap, mbox0p) \
(*(isp)->isp_mdvec->dv_rd_isr)(isp, isrp, semap, mbox0p)
#define ISP_READ(isp, reg) \
(*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg))
#define ISP_WRITE(isp, reg, val) \
(*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val))
#define ISP_MBOXDMASETUP(isp) \
(*(isp)->isp_mdvec->dv_mbxdma)((isp))
#define ISP_DMASETUP(isp, xs, req) \
(*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req))
#define ISP_DMAFREE(isp, xs, hndl) \
if ((isp)->isp_mdvec->dv_dmaclr) \
(*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl))
#define ISP_RESET0(isp) \
if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp))
#define ISP_RESET1(isp) \
if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp))
#define ISP_DUMPREGS(isp, m) \
if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m))
#define ISP_SETBITS(isp, reg, val) \
(*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val))
#define ISP_CLRBITS(isp, reg, val) \
(*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val))
/*
* The MEMORYBARRIER macro is defined per platform (to provide synchronization
* on Request and Response Queues, Scratch DMA areas, and Registers)
*
* Defined Memory Barrier Synchronization Types
*/
#define SYNC_REQUEST 0 /* request queue synchronization */
#define SYNC_RESULT 1 /* result queue synchronization */
#define SYNC_SFORDEV 2 /* scratch, sync for ISP */
#define SYNC_SFORCPU 3 /* scratch, sync for CPU */
#define SYNC_REG 4 /* for registers */
#define SYNC_ATIOQ 5 /* atio result queue (24xx) */
/*
* Request/Response Queue defines and macros.
* The maximum is defined per platform (and can be based on board type).
*/
/* This is the size of a queue entry (request and response) */
#define QENTRY_LEN 64
/* Both request and result queue length must be a power of two */
#define RQUEST_QUEUE_LEN(x) MAXISPREQUEST(x)
#ifdef ISP_TARGET_MODE
#define RESULT_QUEUE_LEN(x) MAXISPREQUEST(x)
#else
#define RESULT_QUEUE_LEN(x) \
(((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2)
#endif
#define ISP_QUEUE_ENTRY(q, idx) (((uint8_t *)q) + ((idx) * QENTRY_LEN))
#define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN)
#define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1))
#define ISP_QFREE(in, out, qlen) \
((in == out)? (qlen - 1) : ((in > out)? \
((qlen - 1) - (in - out)) : (out - in - 1)))
#define ISP_QAVAIL(isp) \
ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp))
#define ISP_ADD_REQUEST(isp, nxti) \
MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1); \
ISP_WRITE(isp, isp->isp_rqstinrp, nxti); \
isp->isp_reqidx = nxti
#define ISP_SYNC_REQUEST(isp) \
MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1); \
isp->isp_reqidx = ISP_NXT_QENTRY(isp->isp_reqidx, RQUEST_QUEUE_LEN(isp)); \
ISP_WRITE(isp, isp->isp_rqstinrp, isp->isp_reqidx)
/*
* SCSI Specific Host Adapter Parameters- per bus, per target
*/
typedef struct {
uint32_t : 8,
update : 1,
sendmarker : 1,
role : 2,
isp_req_ack_active_neg : 1,
isp_data_line_active_neg: 1,
isp_cmd_dma_burst_enable: 1,
isp_data_dma_burst_enabl: 1,
isp_fifo_threshold : 3,
isp_ptisp : 1,
isp_ultramode : 1,
isp_diffmode : 1,
isp_lvdmode : 1,
isp_fast_mttr : 1, /* fast sram */
isp_initiator_id : 4,
isp_async_data_setup : 4;
uint16_t isp_selection_timeout;
uint16_t isp_max_queue_depth;
uint8_t isp_tag_aging;
uint8_t isp_bus_reset_delay;
uint8_t isp_retry_count;
uint8_t isp_retry_delay;
struct {
uint32_t
exc_throttle : 8,
: 1,
dev_enable : 1, /* ignored */
dev_update : 1,
dev_refresh : 1,
actv_offset : 4,
goal_offset : 4,
nvrm_offset : 4;
uint8_t actv_period; /* current sync period */
uint8_t goal_period; /* goal sync period */
uint8_t nvrm_period; /* nvram sync period */
uint16_t actv_flags; /* current device flags */
uint16_t goal_flags; /* goal device flags */
uint16_t nvrm_flags; /* nvram device flags */
} isp_devparam[MAX_TARGETS];
} sdparam;
/*
* Device Flags
*/
#define DPARM_DISC 0x8000
#define DPARM_PARITY 0x4000
#define DPARM_WIDE 0x2000
#define DPARM_SYNC 0x1000
#define DPARM_TQING 0x0800
#define DPARM_ARQ 0x0400
#define DPARM_QFRZ 0x0200
#define DPARM_RENEG 0x0100
#define DPARM_NARROW 0x0080
#define DPARM_ASYNC 0x0040
#define DPARM_PPR 0x0020
#define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ)
#define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING))
/* technically, not really correct, as they need to be rated based upon clock */
#define ISP_80M_SYNCPARMS 0x0c09
#define ISP_40M_SYNCPARMS 0x0c0a
#define ISP_20M_SYNCPARMS 0x0c0c
#define ISP_20M_SYNCPARMS_1040 0x080c
#define ISP_10M_SYNCPARMS 0x0c19
#define ISP_08M_SYNCPARMS 0x0c25
#define ISP_05M_SYNCPARMS 0x0c32
#define ISP_04M_SYNCPARMS 0x0c41
/*
* Fibre Channel Specifics
*/
/* These are for non-2K Login Firmware cards */
#define FL_ID 0x7e /* FL_Port Special ID */
#define SNS_ID 0x80 /* SNS Server Special ID */
#define NPH_MAX 0xfe
/* Use this handle for the base for multi-id firmware SNS logins */
#define NPH_SNS_HDLBASE 0x400
/* These are for 2K Login Firmware cards */
#define NPH_RESERVED 0x7F0 /* begin of reserved N-port handles */
#define NPH_MGT_ID 0x7FA /* Management Server Special ID */
#define NPH_SNS_ID 0x7FC /* SNS Server Special ID */
#define NPH_FABRIC_CTLR 0x7FD /* Fabric Controller (0xFFFFFD) */
#define NPH_FL_ID 0x7FE /* F Port Special ID (0xFFFFFE) */
#define NPH_IP_BCST 0x7ff /* IP Broadcast Special ID (0xFFFFFF) */
#define NPH_MAX_2K 0x800
/*
* "Unassigned" handle to be used internally
*/
#define NIL_HANDLE 0xffff
/*
* Limit for devices on an arbitrated loop.
*/
#define LOCAL_LOOP_LIM 126
/*
* Limit for (2K login) N-port handle amounts
*/
#define MAX_NPORT_HANDLE 2048
/*
* Special Constants
*/
#define INI_NONE ((uint64_t) 0)
#define ISP_NOCHAN 0xff
/*
* Special Port IDs
*/
#define MANAGEMENT_PORT_ID 0xFFFFFA
#define SNS_PORT_ID 0xFFFFFC
#define FABRIC_PORT_ID 0xFFFFFE
#define PORT_ANY 0xFFFFFF
#define PORT_NONE 0
#define DOMAIN_CONTROLLER_BASE 0xFFFC00
#define DOMAIN_CONTROLLER_END 0xFFFCFF
/*
* Command Handles
*
* Most QLogic initiator or target have 32 bit handles associated with them.
* We want to have a quick way to index back and forth between a local SCSI
* command context and what the firmware is passing back to us. We also
* want to avoid working on stale information. This structure handles both
* at the expense of some local memory.
*
* The handle is architected thusly:
*
* 0 means "free handle"
* bits 0..12 index commands
* bits 13..15 bits index usage
* bits 16..31 contain a rolling sequence
*
*
*/
typedef struct {
void * cmd; /* associated command context */
uint32_t handle; /* handle associated with this command */
} isp_hdl_t;
#define ISP_HANDLE_FREE 0x00000000
#define ISP_HANDLE_CMD_MASK 0x00001fff
#define ISP_HANDLE_USAGE_MASK 0x0000e000
#define ISP_HANDLE_USAGE_SHIFT 13
#define ISP_H2HT(hdl) ((hdl & ISP_HANDLE_USAGE_MASK) >> ISP_HANDLE_USAGE_SHIFT)
# define ISP_HANDLE_NONE 0
# define ISP_HANDLE_INITIATOR 1
# define ISP_HANDLE_TARGET 2
#define ISP_HANDLE_SEQ_MASK 0xffff0000
#define ISP_HANDLE_SEQ_SHIFT 16
#define ISP_H2SEQ(hdl) ((hdl & ISP_HANDLE_SEQ_MASK) >> ISP_HANDLE_SEQ_SHIFT)
#define ISP_VALID_INI_HANDLE(c, hdl) \
(ISP_H2HT(hdl) == ISP_HANDLE_INITIATOR && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \
ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_xflist[hdl & ISP_HANDLE_CMD_MASK].handle))
#ifdef ISP_TARGET_MODE
#define ISP_VALID_TGT_HANDLE(c, hdl) \
(ISP_H2HT(hdl) == ISP_HANDLE_TARGET && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \
ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_tgtlist[hdl & ISP_HANDLE_CMD_MASK].handle))
#define ISP_VALID_HANDLE(c, hdl) \
(ISP_VALID_INI_HANDLE((c), hdl) || ISP_VALID_TGT_HANDLE((c), hdl))
#else
#define ISP_VALID_HANDLE ISP_VALID_INI_HANDLE
#endif
#define ISP_BAD_HANDLE_INDEX 0xffffffff
/*
* FC Port Database entry.
*
* It has a handle that the f/w uses to address commands to a device.
* This handle's value may be assigned by the firmware (e.g., for local loop
* devices) or by the driver (e.g., for fabric devices).
*
* It has a state. If the state if VALID, that means that we've logged into
* the device. We also *may* have a initiator map index entry. This is a value
* from 0..MAX_FC_TARG that is used to index into the isp_dev_map array. If
* the value therein is non-zero, then that value minus one is used to index
* into the Port Database to find the handle for forming commands. There is
* back-index minus one value within to Port Database entry that tells us
* which entry in isp_dev_map points to us (to avoid searching).
*
* Local loop devices the firmware automatically performs PLOGI on for us
* (which is why that handle is imposed upon us). Fabric devices we assign
* a handle to and perform the PLOGI on.
*
* When a PORT DATABASE CHANGED asynchronous event occurs, we mark all VALID
* entries as PROBATIONAL. This allows us, if policy says to, just keep track
* of devices whose handles change but are otherwise the same device (and
* thus keep 'target' constant).
*
* In any case, we search all possible local loop handles. For each one that
* has a port database entity returned, we search for any PROBATIONAL entry
* that matches it and update as appropriate. Otherwise, as a new entry, we
* find room for it in the Port Database. We *try* and use the handle as the
* index to put it into the Database, but that's just an optimization. We mark
* the entry VALID and make sure that the target index is updated and correct.
*
* When we get done searching the local loop, we then search similarily for
* a list of devices we've gotten from the fabric name controller (if we're
* on a fabric). VALID marking is also done similarily.
*
* When all of this is done, we can march through the database and clean up
* any entry that is still PROBATIONAL (these represent devices which have
* departed). Then we're done and can resume normal operations.
*
* Negative invariants that we try and test for are:
*
* + There can never be two non-NIL entries with the same { Port, Node } WWN
* duples.
*
* + There can never be two non-NIL entries with the same handle.
*
* + There can never be two non-NIL entries which have the same dev_map_idx
* value.
*/
typedef struct {
/*
* This is the handle that the firmware needs in order for us to
* send commands to the device. For pre-24XX cards, this would be
* the 'loopid'.
*/
uint16_t handle;
/*
* The dev_map_idx, if nonzero, is the system virtual target ID (+1)
* as a cross-reference with the isp_dev_map.
*
* A device is 'autologin' if the firmware automatically logs into
* it (re-logins as needed). Basically, local private loop devices.
*
* PRLI word 3 parameters contains role as well as other things.
*
* The state is the current state of this entry.
*
* Portid is obvious, as are node && port WWNs. The new_role and
* new_portid is for when we are pending a change.
*
* The 'target_mode' tag means that this entry arrived via a
* target mode command and is immune from normal flushing rules.
* You should also never see anything with an initiator role
* with this set.
*/
uint16_t prli_word3; /* PRLI parameters */
uint16_t new_prli_word3; /* Incoming new PRLI parameters */
uint16_t dev_map_idx : 12,
autologin : 1, /* F/W does PLOGI/PLOGO */
state : 3;
uint32_t : 7,
target_mode : 1,
portid : 24;
uint32_t
: 6,
announced : 1,
dirty : 1, /* commands have been run */
new_portid : 24;
uint64_t node_wwn;
uint64_t port_wwn;
uint32_t gone_timer;
} fcportdb_t;
#define FC_PORTDB_STATE_NIL 0
#define FC_PORTDB_STATE_PROBATIONAL 1
#define FC_PORTDB_STATE_DEAD 2
#define FC_PORTDB_STATE_CHANGED 3
#define FC_PORTDB_STATE_NEW 4
#define FC_PORTDB_STATE_PENDING_VALID 5
#define FC_PORTDB_STATE_ZOMBIE 6
#define FC_PORTDB_STATE_VALID 7
/*
* FC card specific information
*
* This structure is replicated across multiple channels for multi-id
* capapble chipsets, with some entities different on a per-channel basis.
*/
typedef struct {
uint32_t
fctape_enabled : 1,
link_active : 1,
sendmarker : 1,
role : 2,
isp_gbspeed : 4,
isp_loopstate : 4, /* Current Loop State */
isp_fwstate : 4, /* ISP F/W state */
isp_topo : 3, /* Connection Type */
loop_seen_once : 1;
uint32_t : 8,
isp_portid : 24; /* S_ID */
uint16_t isp_fwoptions;
uint16_t isp_xfwoptions;
uint16_t isp_zfwoptions;
uint16_t isp_loopid; /* hard loop id */
uint16_t isp_sns_hdl; /* N-port handle for SNS */
uint16_t isp_lasthdl; /* only valid for channel 0 */
uint16_t isp_maxalloc;
uint16_t isp_fabric_params;
uint8_t isp_retry_delay;
uint8_t isp_retry_count;
/*
* Current active WWNN/WWPN
*/
uint64_t isp_wwnn;
uint64_t isp_wwpn;
/*
* NVRAM WWNN/WWPN
*/
uint64_t isp_wwnn_nvram;
uint64_t isp_wwpn_nvram;
/*
* Our Port Data Base
*/
fcportdb_t portdb[MAX_FC_TARG];
/*
* This maps system virtual 'target' id to a portdb entry.
*
* The mapping function is to take any non-zero entry and
* subtract one to get the portdb index. This means that
* entries which are zero are unmapped (i.e., don't exist).
*/
uint16_t isp_dev_map[MAX_FC_TARG];
#ifdef ISP_TARGET_MODE
/*
* This maps N-Port Handle to portdb entry so we
* don't have to search for every incoming command.
*
* The mapping function is to take any non-zero entry and
* subtract one to get the portdb index. This means that
* entries which are zero are unmapped (i.e., don't exist).
*/
uint16_t isp_tgt_map[MAX_NPORT_HANDLE];
#endif
/*
* Scratch DMA mapped in area to fetch Port Database stuff, etc.
*/
void * isp_scratch;
XS_DMA_ADDR_T isp_scdma;
} fcparam;
#define FW_CONFIG_WAIT 0
#define FW_WAIT_AL_PA 1
#define FW_WAIT_LOGIN 2
#define FW_READY 3
#define FW_LOSS_OF_SYNC 4
#define FW_ERROR 5
#define FW_REINIT 6
#define FW_NON_PART 7
#define LOOP_NIL 0
#define LOOP_LIP_RCVD 1
#define LOOP_PDB_RCVD 2
#define LOOP_SCANNING_LOOP 3
#define LOOP_LSCAN_DONE 4
#define LOOP_SCANNING_FABRIC 5
#define LOOP_FSCAN_DONE 6
#define LOOP_SYNCING_PDB 7
#define LOOP_READY 8
#define TOPO_NL_PORT 0
#define TOPO_FL_PORT 1
#define TOPO_N_PORT 2
#define TOPO_F_PORT 3
#define TOPO_PTP_STUB 4
/*
* Soft Structure per host adapter
*/
struct ispsoftc {
/*
* Platform (OS) specific data
*/
struct isposinfo isp_osinfo;
/*
* Pointer to bus specific functions and data
*/
struct ispmdvec * isp_mdvec;
/*
* (Mostly) nonvolatile state. Board specific parameters
* may contain some volatile state (e.g., current loop state).
*/
void * isp_param; /* type specific */
uint64_t isp_fwattr; /* firmware attributes */
uint16_t isp_fwrev[3]; /* Loaded F/W revision */
uint16_t isp_maxcmds; /* max possible I/O cmds */
uint8_t isp_type; /* HBA Chip Type */
uint8_t isp_revision; /* HBA Chip H/W Revision */
uint16_t isp_nchan; /* number of channels */
uint32_t isp_maxluns; /* maximum luns supported */
uint32_t isp_clock : 8, /* input clock */
: 4,
isp_port : 1, /* 23XX/24XX only */
isp_open : 1, /* opened (ioctl) */
isp_bustype : 1, /* SBus or PCI */
isp_loaded_fw : 1, /* loaded firmware */
isp_dblev : 16; /* debug log mask */
uint32_t isp_confopts; /* config options */
uint32_t isp_rqstinrp; /* register for REQINP */
uint32_t isp_rqstoutrp; /* register for REQOUTP */
uint32_t isp_respinrp; /* register for RESINP */
uint32_t isp_respoutrp; /* register for RESOUTP */
/*
* Instrumentation
*/
uint64_t isp_intcnt; /* total int count */
uint64_t isp_intbogus; /* spurious int count */
uint64_t isp_intmboxc; /* mbox completions */
uint64_t isp_intoasync; /* other async */
uint64_t isp_rsltccmplt; /* CMDs on result q */
uint64_t isp_fphccmplt; /* CMDs via fastpost */
uint16_t isp_rscchiwater;
uint16_t isp_fpcchiwater;
NANOTIME_T isp_init_time; /* time were last initialized */
/*
* Volatile state
*/
volatile uint32_t : 8,
: 2,
isp_dead : 1,
: 1,
isp_mboxbsy : 1, /* mailbox command active */
isp_state : 3,
isp_nactive : 16; /* how many commands active */
volatile mbreg_t isp_curmbx; /* currently active mailbox command */
volatile uint32_t isp_reqodx; /* index of last ISP pickup */
volatile uint32_t isp_reqidx; /* index of next request */
volatile uint32_t isp_residx; /* index of last ISP write */
volatile uint32_t isp_resodx; /* index of next result */
volatile uint32_t isp_atioodx; /* index of next ATIO */
volatile uint32_t isp_obits; /* mailbox command output */
volatile uint32_t isp_serno; /* rolling serial number */
volatile uint16_t isp_mboxtmp[MAX_MAILBOX];
volatile uint16_t isp_lastmbxcmd; /* last mbox command sent */
volatile uint16_t isp_mbxwrk0;
volatile uint16_t isp_mbxwrk1;
volatile uint16_t isp_mbxwrk2;
volatile uint16_t isp_mbxwrk8;
volatile uint16_t isp_seqno; /* running sequence number */
void * isp_mbxworkp;
/*
* Active commands are stored here, indexed by handle functions.
*/
isp_hdl_t *isp_xflist;
isp_hdl_t *isp_xffree;
#ifdef ISP_TARGET_MODE
/*
* Active target commands are stored here, indexed by handle functions.
*/
isp_hdl_t *isp_tgtlist;
isp_hdl_t *isp_tgtfree;
#endif
/*
* request/result queue pointers and DMA handles for them.
*/
void * isp_rquest;
void * isp_result;
XS_DMA_ADDR_T isp_rquest_dma;
XS_DMA_ADDR_T isp_result_dma;
#ifdef ISP_TARGET_MODE
/* for 24XX only */
void * isp_atioq;
XS_DMA_ADDR_T isp_atioq_dma;
#endif
};
#define SDPARAM(isp, chan) (&((sdparam *)(isp)->isp_param)[(chan)])
#define FCPARAM(isp, chan) (&((fcparam *)(isp)->isp_param)[(chan)])
#define ISP_SET_SENDMARKER(isp, chan, val) \
if (IS_FC(isp)) { \
FCPARAM(isp, chan)->sendmarker = val; \
} else { \
SDPARAM(isp, chan)->sendmarker = val; \
}
#define ISP_TST_SENDMARKER(isp, chan) \
(IS_FC(isp)? \
FCPARAM(isp, chan)->sendmarker != 0 : \
SDPARAM(isp, chan)->sendmarker != 0)
/*
* ISP Driver Run States
*/
#define ISP_NILSTATE 0
#define ISP_CRASHED 1
#define ISP_RESETSTATE 2
#define ISP_INITSTATE 3
#define ISP_RUNSTATE 4
/*
* ISP Runtime Configuration Options
*/
#define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */
#define ISP_CFG_PORT_PREF 0x0c /* Mask for Port Prefs (all FC except 2100) */
#define ISP_CFG_LPORT 0x00 /* prefer {N/F}L-Port connection */
#define ISP_CFG_NPORT 0x04 /* prefer {N/F}-Port connection */
#define ISP_CFG_NPORT_ONLY 0x08 /* insist on {N/F}-Port connection */
#define ISP_CFG_LPORT_ONLY 0x0c /* insist on {N/F}L-Port connection */
#define ISP_CFG_ONEGB 0x10 /* force 1GB connection (23XX only) */
#define ISP_CFG_TWOGB 0x20 /* force 2GB connection (23XX only) */
#define ISP_CFG_NORELOAD 0x80 /* don't download f/w */
#define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */
#define ISP_CFG_NOFCTAPE 0x100 /* disable FC-Tape */
#define ISP_CFG_FCTAPE 0x200 /* enable FC-Tape */
#define ISP_CFG_OWNFSZ 0x400 /* override NVRAM frame size */
#define ISP_CFG_OWNLOOPID 0x800 /* override NVRAM loopid */
#define ISP_CFG_OWNEXCTHROTTLE 0x1000 /* override NVRAM execution throttle */
#define ISP_CFG_FOURGB 0x2000 /* force 4GB connection (24XX only) */
#define ISP_CFG_EIGHTGB 0x4000 /* force 8GB connection (25XX only) */
#define ISP_CFG_SIXTEENGB 0x8000 /* force 16GB connection (82XX only) */
/*
* For each channel, the outer layers should know what role that channel
* will take: ISP_ROLE_NONE, ISP_ROLE_INITIATOR, ISP_ROLE_TARGET,
* ISP_ROLE_BOTH.
*
* If you set ISP_ROLE_NONE, the cards will be reset, new firmware loaded,
* NVRAM read, and defaults set, but any further initialization (e.g.
* INITIALIZE CONTROL BLOCK commands for 2X00 cards) won't be done.
*
* If INITIATOR MODE isn't set, attempts to run commands will be stopped
* at isp_start and completed with the equivalent of SELECTION TIMEOUT.
*
* If TARGET MODE is set, it doesn't mean that the rest of target mode support
* needs to be enabled, or will even work. What happens with the 2X00 cards
* here is that if you have enabled it with TARGET MODE as part of the ICB
* options, but you haven't given the f/w any ram resources for ATIOs or
* Immediate Notifies, the f/w just handles what it can and you never see
* anything. Basically, it sends a single byte of data (the first byte,
* which you can set as part of the INITIALIZE CONTROL BLOCK command) for
* INQUIRY, and sends back QUEUE FULL status for any other command.
*
*/
#define ISP_ROLE_NONE 0x0
#define ISP_ROLE_TARGET 0x1
#define ISP_ROLE_INITIATOR 0x2
#define ISP_ROLE_BOTH (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR)
#define ISP_ROLE_EITHER ISP_ROLE_BOTH
#ifndef ISP_DEFAULT_ROLES
/*
* Counterintuitively, we prefer to default to role 'none'
* if we are enable target mode support. This gives us the
* maximum flexibility as to which port will do what.
*/
#ifdef ISP_TARGET_MODE
#define ISP_DEFAULT_ROLES ISP_ROLE_NONE
#else
#define ISP_DEFAULT_ROLES ISP_ROLE_INITIATOR
#endif
#endif
/*
* Firmware related defines
*/
#define ISP_CODE_ORG 0x1000 /* default f/w code start */
#define ISP_CODE_ORG_2300 0x0800 /* ..except for 2300s */
#define ISP_CODE_ORG_2400 0x100000 /* ..and 2400s */
#define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic)
#define ISP_FW_MAJOR(code) ((code >> 24) & 0xff)
#define ISP_FW_MINOR(code) ((code >> 16) & 0xff)
#define ISP_FW_MICRO(code) ((code >> 8) & 0xff)
#define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2])
#define ISP_FW_MAJORX(xp) (xp[0])
#define ISP_FW_MINORX(xp) (xp[1])
#define ISP_FW_MICROX(xp) (xp[2])
#define ISP_FW_NEWER_THAN(i, major, minor, micro) \
(ISP_FW_REVX((i)->isp_fwrev) > ISP_FW_REV(major, minor, micro))
#define ISP_FW_OLDER_THAN(i, major, minor, micro) \
(ISP_FW_REVX((i)->isp_fwrev) < ISP_FW_REV(major, minor, micro))
/*
* Bus (implementation) types
*/
#define ISP_BT_PCI 0 /* PCI Implementations */
#define ISP_BT_SBUS 1 /* SBus Implementations */
/*
* If we have not otherwise defined SBus support away make sure
* it is defined here such that the code is included as default
*/
#ifndef ISP_SBUS_SUPPORTED
#define ISP_SBUS_SUPPORTED 1
#endif
/*
* Chip Types
*/
#define ISP_HA_SCSI 0xf
#define ISP_HA_SCSI_UNKNOWN 0x1
#define ISP_HA_SCSI_1020 0x2
#define ISP_HA_SCSI_1020A 0x3
#define ISP_HA_SCSI_1040 0x4
#define ISP_HA_SCSI_1040A 0x5
#define ISP_HA_SCSI_1040B 0x6
#define ISP_HA_SCSI_1040C 0x7
#define ISP_HA_SCSI_1240 0x8
#define ISP_HA_SCSI_1080 0x9
#define ISP_HA_SCSI_1280 0xa
#define ISP_HA_SCSI_10160 0xb
#define ISP_HA_SCSI_12160 0xc
#define ISP_HA_FC 0xf0
#define ISP_HA_FC_2100 0x10
#define ISP_HA_FC_2200 0x20
#define ISP_HA_FC_2300 0x30
#define ISP_HA_FC_2312 0x40
#define ISP_HA_FC_2322 0x50
#define ISP_HA_FC_2400 0x60
#define ISP_HA_FC_2500 0x70
#define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI)
#define IS_1020(isp) (isp->isp_type < ISP_HA_SCSI_1240)
#define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240)
#define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080)
#define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280)
#define IS_10160(isp) (isp->isp_type == ISP_HA_SCSI_10160)
#define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160)
#define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp))
#define IS_1X160(isp) (IS_10160(isp) || IS_12160(isp))
#define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp))
#define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_1X160(isp))
#define IS_ULTRA3(isp) (IS_1X160(isp))
#define IS_FC(isp) ((isp)->isp_type & ISP_HA_FC)
#define IS_2100(isp) ((isp)->isp_type == ISP_HA_FC_2100)
#define IS_2200(isp) ((isp)->isp_type == ISP_HA_FC_2200)
#define IS_23XX(isp) ((isp)->isp_type >= ISP_HA_FC_2300 && \
(isp)->isp_type < ISP_HA_FC_2400)
#define IS_2300(isp) ((isp)->isp_type == ISP_HA_FC_2300)
#define IS_2312(isp) ((isp)->isp_type == ISP_HA_FC_2312)
#define IS_2322(isp) ((isp)->isp_type == ISP_HA_FC_2322)
#define IS_24XX(isp) ((isp)->isp_type >= ISP_HA_FC_2400)
#define IS_25XX(isp) ((isp)->isp_type >= ISP_HA_FC_2500)
/*
* DMA related macros
*/
#define DMA_WD3(x) (((uint16_t)(((uint64_t)x) >> 48)) & 0xffff)
#define DMA_WD2(x) (((uint16_t)(((uint64_t)x) >> 32)) & 0xffff)
#define DMA_WD1(x) ((uint16_t)((x) >> 16) & 0xffff)
#define DMA_WD0(x) ((uint16_t)((x) & 0xffff))
#define DMA_LO32(x) ((uint32_t) (x))
#define DMA_HI32(x) ((uint32_t)(((uint64_t)x) >> 32))
/*
* Core System Function Prototypes
*/
/*
* Reset Hardware. Totally. Assumes that you'll follow this with a call to isp_init.
*/
void isp_reset(ispsoftc_t *, int);
/*
* Initialize Hardware to known state
*/
void isp_init(ispsoftc_t *);
/*
* Reset the ISP and call completion for any orphaned commands.
*/
void isp_reinit(ispsoftc_t *, int);
/*
* Internal Interrupt Service Routine
*
* The outer layers do the spade work to get the appropriate status register,
* semaphore register and first mailbox register (if appropriate). This also
* means that most spurious/bogus interrupts not for us can be filtered first.
*/
void isp_intr(ispsoftc_t *, uint32_t, uint16_t, uint16_t);
/*
* Command Entry Point- Platform Dependent layers call into this
*/
int isp_start(XS_T *);
/* these values are what isp_start returns */
#define CMD_COMPLETE 101 /* command completed */
#define CMD_EAGAIN 102 /* busy- maybe retry later */
#define CMD_QUEUED 103 /* command has been queued for execution */
#define CMD_RQLATER 104 /* requeue this command later */
/*
* Command Completion Point- Core layers call out from this with completed cmds
*/
void isp_done(XS_T *);
/*
* Platform Dependent to External to Internal Control Function
*
* Assumes locks are held on entry. You should note that with many of
* these commands locks may be released while this function is called.
*
* ... ISPCTL_RESET_BUS, int channel);
* Reset BUS on this channel
* ... ISPCTL_RESET_DEV, int channel, int target);
* Reset Device on this channel at this target.
* ... ISPCTL_ABORT_CMD, XS_T *xs);
* Abort active transaction described by xs.
* ... IPCTL_UPDATE_PARAMS);
* Update any operating parameters (speed, etc.)
* ... ISPCTL_FCLINK_TEST, int channel);
* Test FC link status on this channel
* ... ISPCTL_SCAN_FABRIC, int channel);
* Scan fabric on this channel
* ... ISPCTL_SCAN_LOOP, int channel);
* Scan local loop on this channel
* ... ISPCTL_PDB_SYNC, int channel);
* Synchronize port database on this channel
* ... ISPCTL_SEND_LIP, int channel);
* Send a LIP on this channel
* ... ISPCTL_GET_NAMES, int channel, int np, uint64_t *wwnn, uint64_t *wwpn)
* Get a WWNN/WWPN for this N-port handle on this channel
* ... ISPCTL_RUN_MBOXCMD, mbreg_t *mbp)
* Run this mailbox command
* ... ISPCTL_GET_PDB, int channel, int nphandle, isp_pdb_t *pdb)
* Get PDB on this channel for this N-port handle
* ... ISPCTL_PLOGX, isp_plcmd_t *)
* Performa a port login/logout
*
* ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in
* order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_FABRIC, and ISPCTL_SCAN_LOOP.
* The main purpose of ISPCTL_PDB_SYNC is to complete management of logging
* and logging out of fabric devices (if one is on a fabric) and then marking
* the 'loop state' as being ready to now be used for sending commands to
* devices. Originally fabric name server and local loop scanning were
* part of this function. It's now been separated to allow for finer control.
*/
typedef enum {
ISPCTL_RESET_BUS,
ISPCTL_RESET_DEV,
ISPCTL_ABORT_CMD,
ISPCTL_UPDATE_PARAMS,
ISPCTL_FCLINK_TEST,
ISPCTL_SCAN_FABRIC,
ISPCTL_SCAN_LOOP,
ISPCTL_PDB_SYNC,
ISPCTL_SEND_LIP,
ISPCTL_GET_NAMES,
ISPCTL_RUN_MBOXCMD,
ISPCTL_GET_PDB,
ISPCTL_PLOGX
} ispctl_t;
int isp_control(ispsoftc_t *, ispctl_t, ...);
/*
* Platform Dependent to Internal to External Control Function
*/
typedef enum {
ISPASYNC_NEW_TGT_PARAMS, /* SPI New Target Parameters */
ISPASYNC_BUS_RESET, /* All Bus Was Reset */
ISPASYNC_LOOP_DOWN, /* FC Loop Down */
ISPASYNC_LOOP_UP, /* FC Loop Up */
ISPASYNC_LIP, /* FC LIP Received */
ISPASYNC_LOOP_RESET, /* FC Loop Reset Received */
ISPASYNC_CHANGE_NOTIFY, /* FC Change Notification */
ISPASYNC_DEV_ARRIVED, /* FC Device Arrived */
ISPASYNC_DEV_CHANGED, /* FC Device Changed */
ISPASYNC_DEV_STAYED, /* FC Device Stayed */
ISPASYNC_DEV_GONE, /* FC Device Departure */
ISPASYNC_TARGET_NOTIFY, /* All target async notification */
ISPASYNC_TARGET_NOTIFY_ACK, /* All target notify ack required */
ISPASYNC_TARGET_ACTION, /* All target action requested */
ISPASYNC_FW_CRASH, /* All Firmware has crashed */
ISPASYNC_FW_RESTARTED /* All Firmware has been restarted */
} ispasync_t;
void isp_async(ispsoftc_t *, ispasync_t, ...);
#define ISPASYNC_CHANGE_PDB 0
#define ISPASYNC_CHANGE_SNS 1
#define ISPASYNC_CHANGE_OTHER 2
/*
* Platform Independent Error Prinout
*/
void isp_prt_endcmd(ispsoftc_t *, XS_T *);
/*
* Platform Dependent Error and Debug Printout
*
* Two required functions for each platform must be provided:
*
* void isp_prt(ispsoftc_t *, int level, const char *, ...)
* void isp_xs_prt(ispsoftc_t *, XS_T *, int level, const char *, ...)
*
* but due to compiler differences on different platforms this won't be
* formally defined here. Instead, they go in each platform definition file.
*/
#define ISP_LOGALL 0x0 /* log always */
#define ISP_LOGCONFIG 0x1 /* log configuration messages */
#define ISP_LOGINFO 0x2 /* log informational messages */
#define ISP_LOGWARN 0x4 /* log warning messages */
#define ISP_LOGERR 0x8 /* log error messages */
#define ISP_LOGDEBUG0 0x10 /* log simple debug messages */
#define ISP_LOGDEBUG1 0x20 /* log intermediate debug messages */
#define ISP_LOGDEBUG2 0x40 /* log most debug messages */
#define ISP_LOGDEBUG3 0x80 /* log high frequency debug messages */
#define ISP_LOG_SANCFG 0x100 /* log SAN configuration */
#define ISP_LOG_CWARN 0x200 /* log SCSI command "warnings" (e.g., check conditions) */
#define ISP_LOG_WARN1 0x400 /* log WARNS we might be interested at some time */
#define ISP_LOGTINFO 0x1000 /* log informational messages (target mode) */
#define ISP_LOGTDEBUG0 0x2000 /* log simple debug messages (target mode) */
#define ISP_LOGTDEBUG1 0x4000 /* log intermediate debug messages (target) */
#define ISP_LOGTDEBUG2 0x8000 /* log all debug messages (target) */
/*
* Each Platform provides it's own isposinfo substructure of the ispsoftc
* defined above.
*
* Each platform must also provide the following macros/defines:
*
*
* ISP_FC_SCRLEN FC scratch area DMA length
*
* ISP_MEMZERO(dst, src) platform zeroing function
* ISP_MEMCPY(dst, src, count) platform copying function
* ISP_SNPRINTF(buf, bufsize, fmt, ...) snprintf
* ISP_DELAY(usecs) microsecond spindelay function
* ISP_SLEEP(isp, usecs) microsecond sleep function
*
* ISP_INLINE ___inline or not- depending on how
* good your debugger is
* ISP_MIN shorthand for ((a) < (b))? (a) : (b)
*
* NANOTIME_T nanosecond time type
*
* GET_NANOTIME(NANOTIME_T *) get current nanotime.
*
* GET_NANOSEC(NANOTIME_T *) get uint64_t from NANOTIME_T
*
* NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *)
* subtract two NANOTIME_T values
*
* MAXISPREQUEST(ispsoftc_t *) maximum request queue size
* for this particular board type
*
* MEMORYBARRIER(ispsoftc_t *, barrier_type, offset, size, chan)
*
* Function/Macro the provides memory synchronization on
* various objects so that the ISP's and the system's view
* of the same object is consistent.
*
* MBOX_ACQUIRE(ispsoftc_t *) acquire lock on mailbox regs
* MBOX_WAIT_COMPLETE(ispsoftc_t *, mbreg_t *) wait for cmd to be done
* MBOX_NOTIFY_COMPLETE(ispsoftc_t *) notification of mbox cmd donee
* MBOX_RELEASE(ispsoftc_t *) release lock on mailbox regs
*
* FC_SCRATCH_ACQUIRE(ispsoftc_t *, chan) acquire lock on FC scratch area
* return -1 if you cannot
* FC_SCRATCH_RELEASE(ispsoftc_t *, chan) acquire lock on FC scratch area
*
* FCP_NEXT_CRN(ispsoftc_t *, XS_T *, rslt, channel, target, lun) generate the next command reference number. XS_T * may be null.
*
* SCSI_GOOD SCSI 'Good' Status
* SCSI_CHECK SCSI 'Check Condition' Status
* SCSI_BUSY SCSI 'Busy' Status
* SCSI_QFULL SCSI 'Queue Full' Status
*
* XS_T Platform SCSI transaction type (i.e., command for HBA)
* XS_DMA_ADDR_T Platform PCI DMA Address Type
* XS_GET_DMA_SEG(..) Get 32 bit dma segment list value
* XS_GET_DMA64_SEG(..) Get 64 bit dma segment list value
* XS_ISP(xs) gets an instance out of an XS_T
* XS_CHANNEL(xs) gets the channel (bus # for DUALBUS cards) ""
* XS_TGT(xs) gets the target ""
* XS_LUN(xs) gets the lun ""
* XS_CDBP(xs) gets a pointer to the scsi CDB ""
* XS_CDBLEN(xs) gets the CDB's length ""
* XS_XFRLEN(xs) gets the associated data transfer length ""
* XS_TIME(xs) gets the time (in milliseconds) for this command
* XS_GET_RESID(xs) gets the current residual count
* XS_GET_RESID(xs, resid) sets the current residual count
* XS_STSP(xs) gets a pointer to the SCSI status byte ""
* XS_SNSP(xs) gets a pointer to the associate sense data
* XS_TOT_SNSLEN(xs) gets the total length of sense data storage
* XS_CUR_SNSLEN(xs) gets the currently used lenght of sense data storage
* XS_SNSKEY(xs) dereferences XS_SNSP to get the current stored Sense Key
* XS_SNSASC(xs) dereferences XS_SNSP to get the current stored Additional Sense Code
* XS_SNSASCQ(xs) dereferences XS_SNSP to get the current stored Additional Sense Code Qualifier
* XS_TAG_P(xs) predicate of whether this command should be tagged
* XS_TAG_TYPE(xs) which type of tag to use
* XS_SETERR(xs) set error state
*
* HBA_NOERROR command has no erros
* HBA_BOTCH hba botched something
* HBA_CMDTIMEOUT command timed out
* HBA_SELTIMEOUT selection timed out (also port logouts for FC)
* HBA_TGTBSY target returned a BUSY status
* HBA_BUSRESET bus reset destroyed command
* HBA_ABORTED command was aborted (by request)
* HBA_DATAOVR a data overrun was detected
* HBA_ARQFAIL Automatic Request Sense failed
*
* XS_ERR(xs) return current error state
* XS_NOERR(xs) there is no error currently set
* XS_INITERR(xs) initialize error state
*
* XS_SAVE_SENSE(xs, sp, total_len, this_len) save sense data (total and current amount)
*
* XS_APPEND_SENSE(xs, sp, len) append more sense data
*
* XS_SENSE_VALID(xs) indicates whether sense is valid
*
* DEFAULT_FRAMESIZE(ispsoftc_t *) Default Frame Size
* DEFAULT_EXEC_THROTTLE(ispsoftc_t *) Default Execution Throttle
*
* GET_DEFAULT_ROLE(ispsoftc_t *, int) Get Default Role for a channel
* SET_DEFAULT_ROLE(ispsoftc_t *, int, int) Set Default Role for a channel
* DEFAULT_IID(ispsoftc_t *, int) Default SCSI initiator ID
* DEFAULT_LOOPID(ispsoftc_t *, int) Default FC Loop ID
*
* These establish reasonable defaults for each platform.
* These must be available independent of card NVRAM and are
* to be used should NVRAM not be readable.
*
* DEFAULT_NODEWWN(ispsoftc_t *, chan) Default FC Node WWN to use
* DEFAULT_PORTWWN(ispsoftc_t *, chan) Default FC Port WWN to use
*
* These defines are hooks to allow the setting of node and
* port WWNs when NVRAM cannot be read or is to be overriden.
*
* ACTIVE_NODEWWN(ispsoftc_t *, chan) FC Node WWN to use
* ACTIVE_PORTWWN(ispsoftc_t *, chan) FC Port WWN to use
*
* After NVRAM is read, these will be invoked to get the
* node and port WWNs that will actually be used for this
* channel.
*
*
* ISP_IOXPUT_8(ispsoftc_t *, uint8_t srcval, uint8_t *dstptr)
* ISP_IOXPUT_16(ispsoftc_t *, uint16_t srcval, uint16_t *dstptr)
* ISP_IOXPUT_32(ispsoftc_t *, uint32_t srcval, uint32_t *dstptr)
*
* ISP_IOXGET_8(ispsoftc_t *, uint8_t *srcptr, uint8_t dstrval)
* ISP_IOXGET_16(ispsoftc_t *, uint16_t *srcptr, uint16_t dstrval)
* ISP_IOXGET_32(ispsoftc_t *, uint32_t *srcptr, uint32_t dstrval)
*
* ISP_SWIZZLE_NVRAM_WORD(ispsoftc_t *, uint16_t *)
* ISP_SWIZZLE_NVRAM_LONG(ispsoftc_t *, uint32_t *)
* ISP_SWAP16(ispsoftc_t *, uint16_t srcval)
* ISP_SWAP32(ispsoftc_t *, uint32_t srcval)
*/
#ifdef ISP_TARGET_MODE
/*
* The functions below are for the publicly available
* target mode functions that are internal to the Qlogic driver.
*/
/*
* This function handles new response queue entry appropriate for target mode.
*/
int isp_target_notify(ispsoftc_t *, void *, uint32_t *);
/*
* This function externalizes the ability to acknowledge an Immediate Notify request.
*/
int isp_notify_ack(ispsoftc_t *, void *);
/*
* This function externalized acknowledging (success/fail) an ABTS frame
*/
int isp_acknak_abts(ispsoftc_t *, void *, int);
/*
* Enable/Disable/Modify a logical unit.
* (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt)
*/
#define DFLT_CMND_CNT 0xff /* unmonitored */
#define DFLT_INOT_CNT 0xff /* unmonitored */
int isp_lun_cmd(ispsoftc_t *, int, int, int, int, int);
/*
* General request queue 'put' routine for target mode entries.
*/
int isp_target_put_entry(ispsoftc_t *isp, void *);
/*
* General routine to put back an ATIO entry-
* used for replenishing f/w resource counts.
* The argument is a pointer to a source ATIO
* or ATIO2.
*/
int isp_target_put_atio(ispsoftc_t *, void *);
/*
* General routine to send a final CTIO for a command- used mostly for
* local responses.
*/
int isp_endcmd(ispsoftc_t *, ...);
#define ECMD_SVALID 0x100
#define ECMD_TERMINATE 0x200
/*
* Handle an asynchronous event
*
* Return nonzero if the interrupt that generated this event has been dismissed.
*/
int isp_target_async(ispsoftc_t *, int, int);
#endif
#endif /* _ISPVAR_H */
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