diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/ispvar.h | 161 |
1 files changed, 132 insertions, 29 deletions
diff --git a/sys/dev/ic/ispvar.h b/sys/dev/ic/ispvar.h index e4689be3d0a..f9b52f19c16 100644 --- a/sys/dev/ic/ispvar.h +++ b/sys/dev/ic/ispvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ispvar.h,v 1.14 2001/01/09 03:29:32 mjacob Exp $ */ +/* $OpenBSD: ispvar.h,v 1.15 2001/02/12 23:51:20 mjacob Exp $ */ /* * Soft Definitions for for Qlogic ISP SCSI adapters. * @@ -80,12 +80,7 @@ struct ispmdvec { * Overall parameters */ #define MAX_TARGETS 16 -#ifdef ISP2100_FABRIC #define MAX_FC_TARG 256 -#else -#define MAX_FC_TARG 126 -#endif - #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS) #define ISP_MAX_LUNS(isp) (isp)->isp_maxluns @@ -235,17 +230,20 @@ typedef struct { typedef struct { u_int32_t isp_fwoptions : 16, - : 4, + : 3, + isp_iid_set : 1, loop_seen_once : 1, isp_loopstate : 3, /* Current Loop State */ isp_fwstate : 3, /* ISP F/W state */ isp_gotdparms : 1, isp_topo : 3, isp_onfabric : 1; + u_int8_t isp_iid; /* 'initiator' id */ u_int8_t isp_loopid; /* hard loop id */ u_int8_t isp_alpa; /* ALPA */ - volatile u_int16_t isp_lipseq; /* LIP sequence # */ u_int32_t isp_portid; + volatile u_int16_t isp_lipseq; /* LIP sequence # */ + u_int16_t isp_xxxxxx; u_int8_t isp_execthrottle; u_int8_t isp_retry_delay; u_int8_t isp_retry_count; @@ -266,14 +264,16 @@ typedef struct { struct lportdb { u_int loopid : 8, - : 4, + : 2, + was_fabric_dev : 1, + fabric_dev : 1, loggedin : 1, roles : 2, valid : 1; u_int32_t portid; u_int64_t node_wwn; u_int64_t port_wwn; - } portdb[MAX_FC_TARG], tport[FL_PORT_ID]; + } portdb[MAX_FC_TARG], tport[FC_PORT_ID]; /* * Scratch DMA mapped in area to fetch Port Database stuff, etc. @@ -294,6 +294,11 @@ typedef struct { #define LOOP_NIL 0 #define LOOP_LIP_RCVD 1 #define LOOP_PDB_RCVD 2 +#define LOOP_SCANNING_FABRIC 3 +#define LOOP_FSCAN_DONE 4 +#define LOOP_SCANNING_LOOP 5 +#define LOOP_LSCAN_DONE 4 +#define LOOP_SYNCING_PDB 6 #define LOOP_READY 7 #define TOPO_NL_PORT 0 @@ -329,14 +334,17 @@ typedef struct ispsoftc { u_int8_t isp_revision; /* HBA Chip H/W Revision */ u_int32_t isp_maxluns; /* maximum luns supported */ - u_int32_t - isp_touched : 1, /* board ever seen? */ + u_int32_t isp_clock : 8, /* input clock */ + : 6, + isp_role : 2, : 1, + isp_touched : 1, /* board ever seen? */ isp_bustype : 1, /* SBus or PCI */ isp_loaded_fw : 1, /* loaded firmware */ - isp_dblev : 12, /* debug log mask */ - isp_clock : 8, /* input clock */ - isp_confopts : 8; /* config options */ + isp_dblev : 12; /* debug log mask */ + + u_int32_t isp_confopts; /* config options */ + /* * Instrumentation */ @@ -359,6 +367,7 @@ typedef struct ispsoftc { volatile u_int16_t isp_residx; /* index of next result */ volatile u_int16_t isp_lasthdls; /* last handle seed */ volatile u_int16_t isp_mboxtmp[MAX_MAILBOX]; + volatile u_int16_t isp_lastmbxcmd; /* last mbox command sent */ /* * Active commands are stored here, indexed by handle functions. @@ -390,7 +399,6 @@ typedef struct ispsoftc { */ #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ -#define ISP_CFG_NOINIT 0x20 /* just set defaults- don't init */ #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ #define ISP_CFG_OWNWWN 0x02 /* override NVRAM wwn */ #define ISP_CFG_PORT_PREF 0x0C /* Mask for Port Prefs (2200 only) */ @@ -400,11 +408,42 @@ typedef struct ispsoftc { #define ISP_CFG_LPORT_ONLY 0x0C /* insist on {N/F}L-Port connection */ /* + * Prior to calling isp_reset for the first time, the outer layer + * should set isp_role to one of NONE, INITIATOR, TARGET, 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 moral 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_INITIATOR 0x1 +#define ISP_ROLE_TARGET 0x2 +#define ISP_ROLE_BOTH (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR) +#define ISP_ROLE_EITHER ISP_ROLE_BOTH +#ifndef ISP_DEFAULT_ROLES +#define ISP_DEFAULT_ROLES ISP_ROLE_INITIATOR +#endif + + +/* * Firmware related defines */ -#define ISP_CODE_ORG 0x1000 /* default f/w code start */ +#define ISP_CODE_ORG 0x1000 /* default f/w code start */ #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) -#define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) +#define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) /* * Bus (implementation) types @@ -495,16 +534,48 @@ void isp_done __P((XS_T *)); /* * Platform Dependent to External to Internal Control Function * - * Assumes all locks are held and that no reentrancy issues need be dealt with. - * + * Assumes locks are held on entry. You should note that with many of + * these commands and locks may be released while this is occurring. + * + * A few notes about some of these functions: + * + * ISPCTL_FCLINK_TEST tests to make sure we have good fibre channel link. + * The argument is a pointer to an integer which is the time, in microseconds, + * we should wait to see whether we have good link. This test, if successful, + * lets us know our connection topology and our Loop ID/AL_PA and so on. + * You can't get anywhere without this. + * + * ISPCTL_SCAN_FABRIC queries the name server (if we're on a fabric) for + * all entities using the FC Generic Services subcommand GET ALL NEXT. + * For each found entity, an ISPASYNC_FABRICDEV event is generated (see + * below). + * + * ISPCTL_SCAN_LOOP does a local loop scan. This is only done if the connection + * topology is NL or FL port (private or public loop). Since the Qlogic f/w + * 'automatically' manages local loop connections, this function essentially + * notes the arrival, departure, and possible shuffling around of local loop + * entities. Thus for each arrival and departure this generates an isp_async + * event of ISPASYNC_PROMENADE (see below). + * + * 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 seperated to allow for finer control. */ typedef enum { ISPCTL_RESET_BUS, /* Reset Bus */ ISPCTL_RESET_DEV, /* Reset Device */ ISPCTL_ABORT_CMD, /* Abort Command */ - ISPCTL_UPDATE_PARAMS, /* Update Operating Parameters */ + ISPCTL_UPDATE_PARAMS, /* Update Operating Parameters (SCSI) */ ISPCTL_FCLINK_TEST, /* Test FC Link Status */ + ISPCTL_SCAN_FABRIC, /* (Re)scan Fabric Name Server */ + ISPCTL_SCAN_LOOP, /* (Re)scan Local Loop */ ISPCTL_PDB_SYNC, /* Synchronize Port Database */ + ISPCTL_SEND_LIP, /* Send a LIP */ + ISPCTL_GET_POSMAP, /* Get FC-AL position map */ ISPCTL_TOGGLE_TMODE /* toggle target mode */ } ispctl_t; int isp_control __P((struct ispsoftc *, ispctl_t, void *)); @@ -514,23 +585,56 @@ int isp_control __P((struct ispsoftc *, ispctl_t, void *)); * Platform Dependent to Internal to External Control Function * (each platform must provide such a function) * - * Assumes all locks are held and that no reentrancy issues need be dealt with. + * Assumes locks are held. + * + * A few notes about some of these functions: + * + * ISPASYNC_CHANGE_NOTIFY notifies the outer layer that a change has + * occurred that invalidates the list of fabric devices known and/or + * the list of known loop devices. The argument passed is a pointer + * whose values are defined below (local loop change, name server + * change, other). 'Other' may simply be a LIP, or a change in + * connection topology. + * + * ISPASYNC_FABRIC_DEV announces the next element in a list of + * fabric device names we're getting out of the name server. The + * argument points to a GET ALL NEXT response structure. The list + * is known to terminate with an entry that refers to ourselves. + * One of the main purposes of this function is to allow outer + * layers, which are OS dependent, to set policy as to which fabric + * devices might actually be logged into (and made visible) later + * at ISPCTL_PDB_SYNC time. Since there's a finite number of fabric + * devices that we can log into (256 less 3 'reserved' for F-port + * topologies), and fabrics can grow up to 8 million or so entries + * (24 bits of Port Address, less a wad of reserved spaces), clearly + * we had better let the OS determine login policy. + * + * ISPASYNC_PROMENADE has an argument that is a pointer to an integer which + * is an index into the portdb in the softc ('target'). Whether that entrie's + * valid tag is set or not says whether something has arrived or departed. + * The name refers to a favorite pastime of many city dwellers- watching + * people come and go, talking of Michaelangelo, and so on.. */ typedef enum { - ISPASYNC_NEW_TGT_PARAMS, + ISPASYNC_NEW_TGT_PARAMS, /* New Target Parameters Negotiated */ ISPASYNC_BUS_RESET, /* Bus Was Reset */ ISPASYNC_LOOP_DOWN, /* FC Loop Down */ ISPASYNC_LOOP_UP, /* FC Loop Up */ - ISPASYNC_CHANGE_NOTIFY, /* FC SNS or Port Database Changed */ - ISPASYNC_FABRIC_DEV, /* FC Fabric Device Arrived/Left */ - ISPASYNC_LOGGED_INOUT, /* FC Object Logged In/Out */ + ISPASYNC_CHANGE_NOTIFY, /* FC Change Notification */ + ISPASYNC_FABRIC_DEV, /* FC Fabric Device Arrival */ + ISPASYNC_PROMENADE, /* FC Objects coming && going */ ISPASYNC_TARGET_MESSAGE, /* target message */ ISPASYNC_TARGET_EVENT, /* target asynchronous event */ - ISPASYNC_TARGET_ACTION /* other target command action */ + ISPASYNC_TARGET_ACTION, /* other target command action */ + ISPASYNC_CONF_CHANGE /* Platform Configuration Change */ } ispasync_t; int isp_async __P((struct ispsoftc *, ispasync_t, void *)); +#define ISPASYNC_CHANGE_PDB ((void *) 0) +#define ISPASYNC_CHANGE_SNS ((void *) 1) +#define ISPASYNC_CHANGE_OTHER ((void *) 2) + /* * Platform Dependent Error and Debug Printout */ @@ -563,7 +667,6 @@ void isp_prt __P((struct ispsoftc *, int level, const char *, ...)); * * INLINE - platform specific define for 'inline' functions * - * ISP2100_FABRIC - defines whether FABRIC support is enabled * ISP2100_SCRLEN - length for the Fibre Channel scratch DMA area * * MEMZERO(dst, src) platform zeroing function @@ -596,7 +699,7 @@ void isp_prt __P((struct ispsoftc *, int level, const char *, ...)); * MBOX_WAIT_COMPLETE(struct ispsoftc *) wait for mailbox cmd to be done * MBOX_NOTIFY_COMPLETE(struct ispsoftc *) notification of mbox cmd donee * MBOX_RELEASE(struct ispsoftc *) release lock on mailbox regs - * + * * * SCSI_GOOD SCSI 'Good' Status * SCSI_CHECK SCSI 'Check Condition' Status |