/* $FreeBSD$ */ /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2009-2020 Alexander Motin * 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 Qlogic ISP SCSI adapters. */ #ifndef _ISPVAR_H #define _ISPVAR_H #if defined(__NetBSD__) || defined(__OpenBSD__) #include #include #endif #ifdef __FreeBSD__ #include #include #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 { void (*dv_run_isr) (ispsoftc_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_send_cmd) (ispsoftc_t *, void *, void *, uint32_t); int (*dv_irqsetup) (ispsoftc_t *); void (*dv_dregs) (ispsoftc_t *, const char *); const void * dv_ispfw; /* ptr to f/w */ }; /* * Overall parameters */ #define MAX_TARGETS 16 #ifndef MAX_FC_TARG #define MAX_FC_TARG 1024 #endif #define ISP_MAX_TARGETS(isp) MAX_FC_TARG #define ISP_MAX_IRQS 3 /* * Macros to access ISP registers through bus specific layers- * mostly wrappers to vector through the mdvec structure. */ #define ISP_RUN_ISR(isp) \ (*(isp)->isp_mdvec->dv_run_isr)(isp) #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_SEND_CMD(isp, qe, segp, nseg) \ (*(isp)->isp_mdvec->dv_send_cmd)((isp), (qe), (segp), (nseg)) #define ISP_IRQSETUP(isp) \ (((isp)->isp_mdvec->dv_irqsetup) ? (*(isp)->isp_mdvec->dv_irqsetup)(isp) : 0) #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) */ #define SYNC_IFORDEV 6 /* synchrounous IOCB, sync for ISP */ #define SYNC_IFORCPU 7 /* synchrounous IOCB, sync for CPU */ /* * Request/Response Queue defines and macros. */ /* This is the size of a queue entry (request and response) */ #define QENTRY_LEN 64 /* * Hardware requires queue lengths of at least 8 elements. Driver requires * lengths to be a power of two, and request queue of at least 256 elements. */ #define RQUEST_QUEUE_LEN(x) 8192 #define RESULT_QUEUE_LEN(x) 1024 #define ATIO_QUEUE_LEN(x) 1024 #define ISP_QUEUE_ENTRY(q, idx) (((uint8_t *)q) + ((size_t)(idx) * QENTRY_LEN)) #define ISP_QUEUE_SIZE(n) ((size_t)(n) * QENTRY_LEN) #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1)) #define ISP_QFREE(in, out, qlen) ((out - in - 1) & ((qlen) - 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, BIU2400_REQINP, 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, BIU2400_REQINP, isp->isp_reqidx) /* * Fibre Channel Specifics */ #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 VALID_PORT(port) (port != PORT_NONE && port != PORT_ANY) #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 0x00003fff #define ISP_HANDLE_USAGE_MASK 0x0000c000 #define ISP_HANDLE_USAGE_SHIFT 14 #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_CTRL 3 #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_HANDLE_MAX (ISP_HANDLE_CMD_MASK + 1) #define ISP_HANDLE_RESERVE 256 #define ISP_HANDLE_NUM(isp) ((isp)->isp_maxcmds + ISP_HANDLE_RESERVE) #define ISP_VALID_HANDLE(isp, hdl) \ ((ISP_H2HT(hdl) == ISP_HANDLE_INITIATOR || \ ISP_H2HT(hdl) == ISP_HANDLE_TARGET || \ ISP_H2HT(hdl) == ISP_HANDLE_CTRL) && \ ((hdl) & ISP_HANDLE_CMD_MASK) < ISP_HANDLE_NUM(isp) && \ (hdl) == ((isp)->isp_xflist[(hdl) & ISP_HANDLE_CMD_MASK].handle)) /* * 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. * * 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 similarly for * a list of devices we've gotten from the fabric name controller (if we're * on a fabric). VALID marking is also done similarly. * * 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. */ 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; /* * PRLI word 0 contains the Establish Image Pair bit, which is * important for knowing when to reset the CRN. * * PRLI word 3 parameters contains role as well as other things. * * The state is the current state of this entry. * * The is_target is the current state of target on this port. * * The is_initiator is the current state of initiator on this port. * * Portid is obvious, as are node && port WWNs. The new_role and * new_portid is for when we are pending a change. */ uint16_t prli_word0; /* PRLI parameters */ uint16_t prli_word3; /* PRLI parameters */ uint16_t new_prli_word0; /* Incoming new PRLI parameters */ uint16_t new_prli_word3; /* Incoming new PRLI parameters */ uint16_t : 12, probational : 1, state : 3; uint32_t : 6, is_target : 1, is_initiator : 1, portid : 24; uint32_t : 8, new_portid : 24; uint64_t node_wwn; uint64_t port_wwn; uint32_t gone_timer; } fcportdb_t; #define FC_PORTDB_STATE_NIL 0 /* Empty DB slot */ #define FC_PORTDB_STATE_DEAD 1 /* Was valid, but no more. */ #define FC_PORTDB_STATE_CHANGED 2 /* Was valid, but changed. */ #define FC_PORTDB_STATE_NEW 3 /* Logged in, not announced. */ #define FC_PORTDB_STATE_ZOMBIE 4 /* Invalid, but announced. */ #define FC_PORTDB_STATE_VALID 5 /* Valid */ #define FC_PORTDB_TGT(isp, bus, pdb) (int)(lp - FCPARAM(isp, bus)->portdb) /* * 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 { int isp_gbspeed; /* Connection speed */ int isp_linkstate; /* Link state */ int isp_fwstate; /* ISP F/W state */ int isp_loopstate; /* Loop State */ int isp_topo; /* Connection Type */ uint32_t : 4, fctape_enabled : 1, sendmarker : 1, role : 2, 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_fabric_params; uint16_t isp_login_hdl; /* Logging in handle */ uint8_t isp_retry_delay; uint8_t isp_retry_count; int isp_use_gft_id; /* Use GFT_ID */ int isp_use_gff_id; /* Use GFF_ID */ /* * 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]; /* * Scratch DMA mapped in area to fetch Port Database stuff, etc. */ void * isp_scratch; XS_DMA_ADDR_T isp_scdma; uint8_t isp_scanscratch[ISP_FC_SCRLEN]; } fcparam; #define FW_CONFIG_WAIT 0 #define FW_WAIT_LINK 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_HAVE_LINK 1 #define LOOP_HAVE_ADDR 2 #define LOOP_TESTING_LINK 3 #define LOOP_LTEST_DONE 4 #define LOOP_SCANNING_LOOP 5 #define LOOP_LSCAN_DONE 6 #define LOOP_SCANNING_FABRIC 7 #define LOOP_FSCAN_DONE 8 #define LOOP_SYNCING_PDB 9 #define LOOP_READY 10 #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 #define TOPO_IS_FABRIC(x) ((x) == TOPO_FL_PORT || (x) == TOPO_F_PORT) #define FCP_AL_DA_ALL 0xFF #define FCP_AL_PA(fcp) ((uint8_t)(fcp->isp_portid)) #define FCP_IS_DEST_ALPD(fcp, alpd) (FCP_AL_PA((fcp)) == FCP_AL_DA_ALL || FCP_AL_PA((fcp)) == alpd) /* * 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). */ fcparam *isp_param; /* Per-channel storage. */ uint64_t isp_fwattr; /* firmware attributes */ uint16_t isp_fwrev[3]; /* Loaded F/W revision */ uint16_t isp_maxcmds; /* max possible I/O cmds */ uint16_t isp_nchan; /* number of channels */ uint16_t isp_dblev; /* debug log mask */ uint8_t isp_type; /* HBA Chip Type */ uint8_t isp_revision; /* HBA Chip H/W Revision */ uint8_t isp_nirq; /* number of IRQs */ uint8_t isp_port; /* physical port on a card */ uint32_t isp_confopts; /* config options */ /* * Volatile state */ volatile u_int isp_mboxbsy; /* mailbox command active */ volatile u_int isp_state; volatile uint32_t isp_reqodx; /* index of last ISP pickup */ volatile uint32_t isp_reqidx; /* index of next request */ 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_seqno; /* running sequence number */ u_int isp_rqovf; /* request queue overflow */ /* * Active commands are stored here, indexed by handle functions. */ isp_hdl_t *isp_xflist; isp_hdl_t *isp_xffree; /* * DMA mapped in area for synchronous IOCB requests. */ void * isp_iocb; XS_DMA_ADDR_T isp_iocb_dma; /* * 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 FCPARAM(isp, chan) (&(isp)->isp_param[(chan)]) #define ISP_SET_SENDMARKER(isp, chan, val) \ FCPARAM(isp, chan)->sendmarker = val \ #define ISP_TST_SENDMARKER(isp, chan) \ (FCPARAM(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 0x0e /* Mask for Port Prefs (all FC except 2100) */ #define ISP_CFG_PORT_DEF 0x00 /* prefer connection type from NVRAM */ #define ISP_CFG_LPORT_ONLY 0x02 /* insist on {N/F}L-Port connection */ #define ISP_CFG_NPORT_ONLY 0x04 /* insist on {N/F}-Port connection */ #define ISP_CFG_LPORT 0x06 /* prefer {N/F}L-Port connection */ #define ISP_CFG_NPORT 0x08 /* prefer {N/F}-Port connection */ #define ISP_CFG_1GB 0x10 /* force 1Gb connection (23XX only) */ #define ISP_CFG_2GB 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_4GB 0x2000 /* force 4Gb connection (24XX only) */ #define ISP_CFG_8GB 0x4000 /* force 8Gb connection (25XX only) */ #define ISP_CFG_16GB 0x8000 /* force 16Gb connection (26XX only) */ #define ISP_CFG_32GB 0x10000 /* force 32Gb connection (27XX 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)) /* * Chip Types */ #define ISP_HA_FC_2400 0x04 #define ISP_HA_FC_2500 0x05 #define ISP_HA_FC_2600 0x06 #define ISP_HA_FC_2700 0x07 #define IS_25XX(isp) ((isp)->isp_type >= ISP_HA_FC_2500) #define IS_26XX(isp) ((isp)->isp_type >= ISP_HA_FC_2600) #define IS_27XX(isp) ((isp)->isp_type >= ISP_HA_FC_2700) /* * 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. */ int isp_reinit(ispsoftc_t *, int); /* * Shutdown hardware after use. */ void isp_shutdown(ispsoftc_t *); /* * Internal Interrupt Service Routine */ #ifdef ISP_TARGET_MODE void isp_intr_atioq(ispsoftc_t *); #endif void isp_intr_async(ispsoftc_t *, uint16_t event); void isp_intr_mbox(ispsoftc_t *, uint16_t mbox0); void isp_intr_respq(ispsoftc_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_RQLATER 103 /* 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_LOOP, int channel); * Scan local loop on this channel * ... ISPCTL_SCAN_FABRIC, int channel); * Scan fabric 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_CHANGE_ROLE, int channel, int role); * Change role of specified channel * * ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in * order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_LOOP, and ISPCTL_SCAN_FABRIC. * 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. */ 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_CHANGE_ROLE } ispctl_t; int isp_control(ispsoftc_t *, ispctl_t, ...); /* * Platform Dependent to Internal to External Control Function */ typedef enum { 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 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. * * 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_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_XFRIN(xs) gets IN direction * XS_XFROUT(xs) gets OUT direction * XS_TIME(xs) gets the time (in seconds) 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 length 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_PRIORITY(xs) command priority for SIMPLE tag * 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, len) save sense data * 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_ROLE(ispsoftc_t *, int) Get Default Role for a channel * 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 overridden. * * 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 *, uint16_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); /* * 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_RVALID 0x200 #define ECMD_TERMINATE 0x400 /* * Handle an asynchronous event */ void isp_target_async(ispsoftc_t *, int, int); #endif #endif /* _ISPVAR_H */