示例#1
0
文件: isc_cam.c 项目: OpenKod/src
static void
_inq(struct cam_sim *sim, union ccb *ccb)
{
     struct ccb_pathinq *cpi = &ccb->cpi;
     isc_session_t *sp = cam_sim_softc(sim);

     debug_called(8);
     debug(3, "sid=%d target=%d lun=%d", sp->sid, ccb->ccb_h.target_id, ccb->ccb_h.target_lun);

     cpi->version_num = 1; /* XXX??? */
     cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE | PI_WIDE_32;
     cpi->target_sprt = 0;
     cpi->hba_misc = 0;
     cpi->hba_eng_cnt = 0;
     cpi->max_target = 0; //ISCSI_MAX_TARGETS - 1;
     cpi->initiator_id = ISCSI_MAX_TARGETS;
     cpi->max_lun = sp->opt.maxluns - 1;
     cpi->bus_id = cam_sim_bus(sim);
     cpi->base_transfer_speed = 3300; // 40000; // XXX:
     strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
     strncpy(cpi->hba_vid, "iSCSI", HBA_IDLEN);
     strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
     cpi->unit_number = cam_sim_unit(sim);
     cpi->ccb_h.status = CAM_REQ_CMP;
#if defined(KNOB_VALID_ADDRESS)
     cpi->transport = XPORT_ISCSI;
     cpi->transport_version = 0;
#endif
}
示例#2
0
static void
ahciemaction(struct cam_sim *sim, union ccb *ccb)
{
	device_t dev, parent;
	struct ahci_enclosure *enc;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
	    ("ahciemaction func_code=%x\n", ccb->ccb_h.func_code));

	enc = cam_sim_softc(sim);
	dev = enc->dev;
	switch (ccb->ccb_h.func_code) {
	case XPT_ATA_IO:	/* Execute the requested I/O operation */
		if (ahci_check_ids(dev, ccb))
			return;
		ahci_em_begin_transaction(dev, ccb);
		return;
	case XPT_RESET_BUS:		/* Reset the specified bus */
	case XPT_RESET_DEV:	/* Bus Device Reset the specified device */
		ahci_em_reset(dev);
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		parent = device_get_parent(dev);
		cpi->version_num = 1; /* XXX??? */
		cpi->hba_inquiry = PI_SDTR_ABLE;
		cpi->target_sprt = 0;
		cpi->hba_misc = PIM_SEQSCAN;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = 0;
		cpi->max_lun = 0;
		cpi->initiator_id = 0;
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 150000;
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "AHCI", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->transport = XPORT_SATA;
		cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
		cpi->protocol = PROTO_ATA;
		cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
		cpi->maxio = MAXPHYS;
		cpi->hba_vendor = pci_get_vendor(parent);
		cpi->hba_device = pci_get_device(parent);
		cpi->hba_subvendor = pci_get_subvendor(parent);
		cpi->hba_subdevice = pci_get_subdevice(parent);
		cpi->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	}
	xpt_done(ccb);
}
/**
 * mrsas_build_dcdb:       Builds an DCDB command  
 * input:                  Adapter instance soft state
 *                         Pointer to command packet
 *                         Pointer to CCB 
 *
 * This function builds the DCDB inquiry command.  It returns 0 if the 
 * command is built successfully, otherwise it returns a 1. 
 */
int mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
                      union ccb *ccb, struct cam_sim *sim)
{
    struct ccb_hdr *ccb_h = &(ccb->ccb_h);
    u_int32_t device_id;
    MR_FW_RAID_MAP_ALL *map_ptr;
    MRSAS_RAID_SCSI_IO_REQUEST *io_request;

    io_request = cmd->io_request;
    device_id = ccb_h->target_id;
    map_ptr = sc->raidmap_mem[(sc->map_id & 1)];

    /* Check if this is for system PD */ 
    if (cam_sim_bus(sim) == 1 && 
            sc->pd_list[device_id].driveState == MR_PD_STATE_SYSTEM) {
        io_request->Function = 0;
        io_request->DevHandle = map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
        io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
        io_request->RaidContext.regLockFlags = 0;
        io_request->RaidContext.regLockRowLBA = 0;
        io_request->RaidContext.regLockLength = 0;
        io_request->RaidContext.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD << 
            MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
	    if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
            io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
        cmd->request_desc->SCSIIO.RequestFlags = 
            (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << 
            MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
        cmd->request_desc->SCSIIO.DevHandle = 
            map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
    }
    else {
        io_request->Function  = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
        io_request->DevHandle = device_id;
        cmd->request_desc->SCSIIO.RequestFlags =
            (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
    }
	
    io_request->RaidContext.VirtualDiskTgtId = device_id;
    io_request->LUN[1] = ccb_h->target_lun & 0xF;
    io_request->DataLength = cmd->length;

    if (mrsas_map_request(sc, cmd) == SUCCESS) {
        if (cmd->sge_count > sc->max_num_sge) {
            device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds" 
                "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
            return (1);
        }
        io_request->RaidContext.numSGE = cmd->sge_count;
    }
    else {
        device_printf(sc->mrsas_dev, "Data map/load failed.\n");
        return(1);
    } 
    return(0);
}
示例#4
0
/*
 * mrsas_find_io_type:	Determines if IO is read/write or inquiry
 * input:			pointer to CAM Control Block
 *
 * This function determines if the IO is read/write or inquiry.  It returns a 1
 * if the IO is read/write and 0 if it is inquiry.
 */
int 
mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb)
{
	struct ccb_scsiio *csio = &(ccb->csio);

	switch (csio->cdb_io.cdb_bytes[0]) {
	case READ_10:
	case WRITE_10:
	case READ_12:
	case WRITE_12:
	case READ_6:
	case WRITE_6:
	case READ_16:
	case WRITE_16:
		return (cam_sim_bus(sim) ?
		    READ_WRITE_SYSPDIO : READ_WRITE_LDIO);
	default:
		return (cam_sim_bus(sim) ?
		    NON_READ_WRITE_SYSPDIO : NON_READ_WRITE_LDIO);
	}
}
示例#5
0
static void
isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg)
{
	struct cam_sim *sim;
	struct ispsoftc *isp;

	sim = (struct cam_sim *)cbarg;
	isp = (struct ispsoftc *) cam_sim_softc(sim);
	switch (code) {
	case AC_LOST_DEVICE:
		if (isp->isp_type & ISP_HA_SCSI) {
			u_int16_t oflags, nflags;
			sdparam *sdp = isp->isp_param;
			int s, tgt = xpt_path_target_id(path);

			s = splcam();
			sdp += cam_sim_bus(sim);
			isp->isp_update |= (1 << cam_sim_bus(sim));

			nflags = DPARM_SAFE_DFLT;
			if (ISP_FW_REVX(isp->isp_fwrev) >=
			    ISP_FW_REV(7, 55, 0)) {
				nflags |= DPARM_NARROW | DPARM_ASYNC;
			}
			oflags = sdp->isp_devparam[tgt].dev_flags;
			sdp->isp_devparam[tgt].dev_flags = nflags;
			sdp->isp_devparam[tgt].dev_update = 1;
			(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, NULL);
			sdp->isp_devparam[tgt].dev_flags = oflags;
			(void) splx(s);
		}
		break;
	default:
		break;
	}
}
/**
 * mrsas_ldio_inq:           Determines if IO is read/write or inquiry   
 * input:                        pointer to CAM Control Block
 *
 * This function determines if the IO is read/write or inquiry.  It returns a
 * 1 if the IO is read/write and 0 if it is inquiry.
 */
int mrsas_ldio_inq(struct cam_sim *sim, union ccb *ccb) 
{
    struct ccb_scsiio *csio = &(ccb->csio);

    if (cam_sim_bus(sim) == 1)
        return(0);

    switch (csio->cdb_io.cdb_bytes[0]) {
        case READ_10:
        case WRITE_10:
        case READ_12:
        case WRITE_12:
        case READ_6:
        case WRITE_6:
        case READ_16:
        case WRITE_16:
            return 1;
        default:
            return 0;
    }
}
/**
 * mrsas_action:            SIM callback entry point   
 * input:                   pointer to SIM 
 *                          pointer to CAM Control Block
 *
 * This function processes CAM subsystem requests. The type of request is
 * stored in ccb->ccb_h.func_code.  The preprocessor #ifdef is necessary
 * because ccb->cpi.maxio is not supported for FreeBSD version 7.4 or 
 * earlier.   
 */
static void mrsas_action(struct cam_sim *sim, union ccb *ccb)
{
    struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
    struct ccb_hdr *ccb_h = &(ccb->ccb_h);
    u_int32_t device_id;

    switch (ccb->ccb_h.func_code) {
        case XPT_SCSI_IO:
        {
            device_id = ccb_h->target_id;

            /* 
             * bus 0 is LD, bus 1 is for system-PD 
             */ 
            if (cam_sim_bus(sim) == 1 && 
                sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) {
                ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
                xpt_done(ccb);
            }
            else {
                if (mrsas_startio(sc, sim, ccb)){
                    ccb->ccb_h.status |= CAM_REQ_INVALID;
                    xpt_done(ccb);
                }
            }
            break;
        }
        case XPT_ABORT:
        {
            ccb->ccb_h.status = CAM_UA_ABORT;
            xpt_done(ccb);
            break;
        }
        case XPT_RESET_BUS:
        {
            xpt_done(ccb);
            break;
        }
        case XPT_GET_TRAN_SETTINGS:
        {
            ccb->cts.protocol = PROTO_SCSI;
            ccb->cts.protocol_version = SCSI_REV_2;
            ccb->cts.transport = XPORT_SPI;
            ccb->cts.transport_version = 2;  
            ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
            ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
            ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
            ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
            ccb->ccb_h.status = CAM_REQ_CMP;
            xpt_done(ccb);
            break;
        }
        case XPT_SET_TRAN_SETTINGS:
        {
            ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 
            xpt_done(ccb);
            break;
        }
        case XPT_CALC_GEOMETRY:
        {
            cam_calc_geometry(&ccb->ccg, 1);   
            xpt_done(ccb);
            break;
        }
        case XPT_PATH_INQ:
        {
            ccb->cpi.version_num = 1;
            ccb->cpi.hba_inquiry = 0;
            ccb->cpi.target_sprt = 0;
            ccb->cpi.hba_misc = 0;
            ccb->cpi.hba_eng_cnt = 0;
            ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS;
            ccb->cpi.unit_number = cam_sim_unit(sim);
            ccb->cpi.bus_id = cam_sim_bus(sim);
            ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID; 
            ccb->cpi.base_transfer_speed = 150000; 
            strncpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
            strncpy(ccb->cpi.hba_vid, "LSI", HBA_IDLEN);
            strncpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
            ccb->cpi.transport = XPORT_SPI;
            ccb->cpi.transport_version = 2;
            ccb->cpi.protocol = PROTO_SCSI;
            ccb->cpi.protocol_version = SCSI_REV_2;
            if (ccb->cpi.bus_id == 0)
                ccb->cpi.max_target = MRSAS_MAX_LD-1;
            else
                ccb->cpi.max_target = MRSAS_MAX_PD-1;
            ccb->cpi.maxio = MRSAS_MAX_IO_SIZE;
            ccb->ccb_h.status = CAM_REQ_CMP;
            xpt_done(ccb);
            break;
        }
        default:
        {
            ccb->ccb_h.status = CAM_REQ_INVALID;
            xpt_done(ccb);
            break;
        }
    }
}
示例#8
0
/********************************************************************************
 * Handle a request for action from CAM
 */
static void
amr_cam_action(struct cam_sim *sim, union ccb *ccb)
{
    struct amr_softc	*sc = cam_sim_softc(sim);

    switch(ccb->ccb_h.func_code) {

    /*
     * Perform SCSI I/O to a physical device.
     */
    case XPT_SCSI_IO:
    {
	struct ccb_hdr		*ccbh = &ccb->ccb_h;
	struct ccb_scsiio	*csio = &ccb->csio;

	/* Validate the CCB */
	ccbh->status = CAM_REQ_INPROG;

	/* check the CDB length */
	if (csio->cdb_len > AMR_MAX_EXTCDB_LEN)
	    ccbh->status = CAM_REQ_CMP_ERR;

	if ((csio->cdb_len > AMR_MAX_CDB_LEN) && (sc->support_ext_cdb == 0 ))
	    ccbh->status = CAM_REQ_CMP_ERR;

	/* check that the CDB pointer is not to a physical address */
	if ((ccbh->flags & CAM_CDB_POINTER) && (ccbh->flags & CAM_CDB_PHYS))
	    ccbh->status = CAM_REQ_CMP_ERR;

	/* if there is data transfer, it must be to/from a virtual address */
	if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
	    if (ccbh->flags & CAM_DATA_PHYS)		/* we can't map it */
		ccbh->status = CAM_REQ_CMP_ERR;		
	    if (ccbh->flags & CAM_SCATTER_VALID)	/* we want to do the s/g setup */
		ccbh->status = CAM_REQ_CMP_ERR;
	}

	/*
	 * If the command is to a LUN other than 0, fail it.
	 * This is probably incorrect, but during testing the firmware did not
	 * seem to respect the LUN field, and thus devices appear echoed.
	 */
	if (csio->ccb_h.target_lun != 0)
	    ccbh->status = CAM_REQ_CMP_ERR;

	/* if we're happy with the request, queue it for attention */
	if (ccbh->status == CAM_REQ_INPROG) {

	    /* save the channel number in the ccb */
	    csio->ccb_h.sim_priv.entries[0].field = cam_sim_bus(sim);

	    amr_enqueue_ccb(sc, ccb);
	    amr_startio(sc);
	    return;
	}
	break;
    }

    case XPT_CALC_GEOMETRY:
    {
	struct    ccb_calc_geometry *ccg = &ccb->ccg;
	u_int32_t size_in_mb;
	u_int32_t secs_per_cylinder;

	size_in_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);

	if (size_in_mb > 1024) {
	    ccg->heads = 255;
	    ccg->secs_per_track = 63;
	} else {
	    ccg->heads = 64;
	    ccg->secs_per_track = 32;
	}
	secs_per_cylinder = ccg->heads * ccg->secs_per_track;
	ccg->cylinders = ccg->volume_size / secs_per_cylinder;
	ccb->ccb_h.status = CAM_REQ_CMP;
	break;
    }

    /*
     * Return path stats.  Some of these should probably be
     * amended.
     */
    case XPT_PATH_INQ:
    {
	struct ccb_pathinq      *cpi = & ccb->cpi;

	debug(3, "XPT_PATH_INQ");
	cpi->version_num = 1;           /* XXX??? */
	cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
	cpi->target_sprt = 0;
	cpi->hba_misc = PIM_NOBUSRESET;
	cpi->hba_eng_cnt = 0;
	cpi->max_target = AMR_MAX_TARGETS;
	cpi->max_lun = 0 /* AMR_MAX_LUNS*/;
	cpi->initiator_id = 7;          /* XXX variable? */
	strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
	strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
	strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
	cpi->unit_number = cam_sim_unit(sim);
	cpi->bus_id = cam_sim_bus(sim);
	cpi->base_transfer_speed = 132 * 1024;  /* XXX get from controller? */
	cpi->ccb_h.status = CAM_REQ_CMP;

	break;
    }

    case XPT_RESET_BUS:
    {
	struct ccb_pathinq	*cpi = & ccb->cpi;

	debug(1, "XPT_RESET_BUS");
	cpi->ccb_h.status = CAM_REQ_CMP;
	break;
    }

    case XPT_RESET_DEV:
    {
	debug(1, "XPT_RESET_DEV");
	ccb->ccb_h.status = CAM_REQ_CMP;
	break;
    }

    case XPT_GET_TRAN_SETTINGS:
    {
	struct ccb_trans_settings	*cts;

	debug(3, "XPT_GET_TRAN_SETTINGS");

	cts = &(ccb->cts);

	if ((cts->flags & CCB_TRANS_USER_SETTINGS) == 0) {
		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
		break;
        }

	cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB;
	cts->bus_width = MSG_EXT_WDTR_BUS_32_BIT;
	cts->sync_period = 6;   /* 40MHz how wide is this bus? */
	cts->sync_offset = 31;  /* How to extract this from board? */

	cts->valid = CCB_TRANS_SYNC_RATE_VALID
	    | CCB_TRANS_SYNC_OFFSET_VALID
	    | CCB_TRANS_BUS_WIDTH_VALID
	    | CCB_TRANS_DISC_VALID
	    | CCB_TRANS_TQ_VALID;
	ccb->ccb_h.status = CAM_REQ_CMP;
	break;
    }

    case XPT_SET_TRAN_SETTINGS:
	debug(3, "XPT_SET_TRAN_SETTINGS");
	ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
	break;


    /*
     * Reject anything else as unsupported.
     */
    default:
	/* we can't do this */
	ccb->ccb_h.status = CAM_REQ_INVALID;
	break;
    }
    xpt_done(ccb);
}
示例#9
0
/*
 * Action function - dispatch command
 */
static
void
ahci_xpt_action(struct cam_sim *sim, union ccb *ccb)
{
	struct ahci_port *ap;
	struct ata_port	 *at, *atx;
	struct ccb_hdr *ccbh;
	int unit;

	/* XXX lock */
	ap = cam_sim_softc(sim);
	atx = NULL;
	KKASSERT(ap != NULL);
	ccbh = &ccb->ccb_h;
	unit = cam_sim_unit(sim);

	/*
	 * Early failure checks.  These checks do not apply to XPT_PATH_INQ,
	 * otherwise the bus rescan will not remove the dead devices when
	 * unplugging a PM.
	 *
	 * For non-wildcards we have one target (0) and one lun (0),
	 * unless we have a port multiplier.
	 *
	 * A wildcard target indicates only the general bus is being
	 * probed.
	 *
	 * Calculate at and atx.  at is always non-NULL.  atx is only
	 * NULL for direct-attached devices.  It will be non-NULL for
	 * devices behind a port multiplier.
	 *
	 * XXX What do we do with a LUN wildcard?
	 */
	if (ccbh->target_id != CAM_TARGET_WILDCARD &&
	    ccbh->func_code != XPT_PATH_INQ) {
		if (ap->ap_type == ATA_PORT_T_NONE) {
			ccbh->status = CAM_DEV_NOT_THERE;
			xpt_done(ccb);
			return;
		}
		if (ccbh->target_id < 0 || ccbh->target_id >= ap->ap_pmcount) {
			ccbh->status = CAM_DEV_NOT_THERE;
			xpt_done(ccb);
			return;
		}
		at = ap->ap_ata[ccbh->target_id];
		if (ap->ap_type == ATA_PORT_T_PM)
			atx = at;

		if (ccbh->target_lun != CAM_LUN_WILDCARD && ccbh->target_lun) {
			ccbh->status = CAM_DEV_NOT_THERE;
			xpt_done(ccb);
			return;
		}
	} else {
		at = ap->ap_ata[0];
	}

	/*
	 * Switch on the meta XPT command
	 */
	switch(ccbh->func_code) {
	case XPT_ENG_EXEC:
		/*
		 * This routine is called after a port multiplier has been
		 * probed.
		 */
		ccbh->status = CAM_REQ_CMP;
		ahci_os_lock_port(ap);
		ahci_port_state_machine(ap, 0);
		ahci_os_unlock_port(ap);
		xpt_done(ccb);
		ahci_xpt_rescan(ap);
		break;
	case XPT_PATH_INQ:
		/*
		 * This command always succeeds, otherwise the bus scan
		 * will not detach dead devices.
		 */
		ccb->cpi.version_num = 1;
		ccb->cpi.hba_inquiry = 0;
		ccb->cpi.target_sprt = 0;
		ccb->cpi.hba_misc = PIM_SEQSCAN;
		ccb->cpi.hba_eng_cnt = 0;
		bzero(ccb->cpi.vuhba_flags, sizeof(ccb->cpi.vuhba_flags));
		ccb->cpi.max_target = AHCI_MAX_PMPORTS - 1;
		ccb->cpi.max_lun = 0;
		ccb->cpi.async_flags = 0;
		ccb->cpi.hpath_id = 0;
		ccb->cpi.initiator_id = AHCI_MAX_PMPORTS - 1;
		ccb->cpi.unit_number = cam_sim_unit(sim);
		ccb->cpi.bus_id = cam_sim_bus(sim);
		ccb->cpi.base_transfer_speed = 150000;
		ccb->cpi.transport = XPORT_SATA;
		ccb->cpi.transport_version = 1;
		ccb->cpi.protocol = PROTO_SCSI;
		ccb->cpi.protocol_version = SCSI_REV_2;

		ccbh->status = CAM_REQ_CMP;
		if (ccbh->target_id == CAM_TARGET_WILDCARD) {
			ahci_os_lock_port(ap);
			ahci_port_state_machine(ap, 0);
			ahci_os_unlock_port(ap);
		} else {
			switch(ahci_pread(ap, AHCI_PREG_SSTS) &
			       AHCI_PREG_SSTS_SPD) {
			case AHCI_PREG_SSTS_SPD_GEN1:
				ccb->cpi.base_transfer_speed = 150000;
				break;
			case AHCI_PREG_SSTS_SPD_GEN2:
				ccb->cpi.base_transfer_speed = 300000;
				break;
			case AHCI_PREG_SSTS_SPD_GEN3:
				ccb->cpi.base_transfer_speed = 600000;
				break;
			default:
				/* unknown */
				ccb->cpi.base_transfer_speed = 1000;
				break;
			}
#if 0
			if (ap->ap_type == ATA_PORT_T_NONE)
				ccbh->status = CAM_DEV_NOT_THERE;
#endif
		}
		xpt_done(ccb);
		break;
	case XPT_RESET_DEV:
		ahci_os_lock_port(ap);
		if (ap->ap_type == ATA_PORT_T_NONE) {
			ccbh->status = CAM_DEV_NOT_THERE;
		} else {
			ahci_port_reset(ap, atx, 0);
			ccbh->status = CAM_REQ_CMP;
		}
		ahci_os_unlock_port(ap);
		xpt_done(ccb);
		break;
	case XPT_RESET_BUS:
		ahci_os_lock_port(ap);
		ahci_port_reset(ap, NULL, 1);
		ahci_os_unlock_port(ap);
		ccbh->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	case XPT_SET_TRAN_SETTINGS:
		ccbh->status = CAM_FUNC_NOTAVAIL;
		xpt_done(ccb);
		break;
	case XPT_GET_TRAN_SETTINGS:
		ccb->cts.protocol = PROTO_SCSI;
		ccb->cts.protocol_version = SCSI_REV_2;
		ccb->cts.transport = XPORT_SATA;
		ccb->cts.transport_version = XPORT_VERSION_UNSPECIFIED;
		ccb->cts.proto_specific.valid = 0;
		ccb->cts.xport_specific.valid = 0;
		ccbh->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	case XPT_CALC_GEOMETRY:
		cam_calc_geometry(&ccb->ccg, 1);
		xpt_done(ccb);
		break;
	case XPT_SCSI_IO:
		/*
		 * Our parallel startup code might have only probed through
		 * to the IDENT, so do the last step if necessary.
		 */
		if (at->at_probe == ATA_PROBE_NEED_IDENT)
			ahci_cam_probe(ap, atx);
		if (at->at_probe != ATA_PROBE_GOOD) {
			ccbh->status = CAM_DEV_NOT_THERE;
			xpt_done(ccb);
			break;
		}
		switch(at->at_type) {
		case ATA_PORT_T_DISK:
			ahci_xpt_scsi_disk_io(ap, atx, ccb);
			break;
		case ATA_PORT_T_ATAPI:
			ahci_xpt_scsi_atapi_io(ap, atx, ccb);
			break;
		default:
			ccbh->status = CAM_REQ_INVALID;
			xpt_done(ccb);
			break;
		}
		break;
	case XPT_TRIM:
	{
		scsi_cdb_t cdb;
		struct ccb_scsiio *csio;
		csio = &ccb->csio;
		cdb = (void *)((ccbh->flags & CAM_CDB_POINTER) ?
		    csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes);
		cdb->generic.opcode = TRIM;
		ahci_xpt_scsi_disk_io(ap, atx, ccb);
		break;
	}
	default:
		ccbh->status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#10
0
static void
ataaction(struct cam_sim *sim, union ccb *ccb)
{
	device_t dev, parent;
	struct ata_channel *ch;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ataaction func_code=%x\n",
	    ccb->ccb_h.func_code));

	ch = (struct ata_channel *)cam_sim_softc(sim);
	dev = ch->dev;
	switch (ccb->ccb_h.func_code) {
	/* Common cases first */
	case XPT_ATA_IO:	/* Execute the requested I/O operation */
	case XPT_SCSI_IO:
		if (ata_check_ids(dev, ccb))
			return;
		if ((ch->devices & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER)
		    << ccb->ccb_h.target_id)) == 0) {
			ccb->ccb_h.status = CAM_SEL_TIMEOUT;
			break;
		}
		if (ch->running)
			device_printf(dev, "already running!\n");
		if (ccb->ccb_h.func_code == XPT_ATA_IO &&
		    (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
		    (ccb->ataio.cmd.control & ATA_A_RESET)) {
			struct ata_res *res = &ccb->ataio.res;
			
			bzero(res, sizeof(*res));
			if (ch->devices & (ATA_ATA_MASTER << ccb->ccb_h.target_id)) {
				res->lba_high = 0;
				res->lba_mid = 0;
			} else {
				res->lba_high = 0xeb;
				res->lba_mid = 0x14;
			}
			ccb->ccb_h.status = CAM_REQ_CMP;
			break;
		}
		ata_cam_begin_transaction(dev, ccb);
		return;
	case XPT_EN_LUN:		/* Enable LUN as a target */
	case XPT_TARGET_IO:		/* Execute target I/O request */
	case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
	case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
	case XPT_ABORT:			/* Abort the specified CCB */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	case XPT_SET_TRAN_SETTINGS:
	{
		struct	ccb_trans_settings *cts = &ccb->cts;
		struct	ata_cam_device *d; 

		if (ata_check_ids(dev, ccb))
			return;
		if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
			d = &ch->curr[ccb->ccb_h.target_id];
		else
			d = &ch->user[ccb->ccb_h.target_id];
		if (ch->flags & ATA_SATA) {
			if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
				d->revision = cts->xport_specific.sata.revision;
			if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) {
				if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
					d->mode = ATA_SETMODE(ch->dev,
					    ccb->ccb_h.target_id,
					    cts->xport_specific.sata.mode);
				} else
					d->mode = cts->xport_specific.sata.mode;
			}
			if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
				d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
			if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI)
				d->atapi = cts->xport_specific.sata.atapi;
			if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS)
				d->caps = cts->xport_specific.sata.caps;
		} else {
			if (cts->xport_specific.ata.valid & CTS_ATA_VALID_MODE) {
				if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
					d->mode = ATA_SETMODE(ch->dev,
					    ccb->ccb_h.target_id,
					    cts->xport_specific.ata.mode);
				} else
					d->mode = cts->xport_specific.ata.mode;
			}
			if (cts->xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT)
				d->bytecount = cts->xport_specific.ata.bytecount;
			if (cts->xport_specific.ata.valid & CTS_ATA_VALID_ATAPI)
				d->atapi = cts->xport_specific.ata.atapi;
			if (cts->xport_specific.ata.valid & CTS_ATA_VALID_CAPS)
				d->caps = cts->xport_specific.ata.caps;
		}
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_GET_TRAN_SETTINGS:
	{
		struct	ccb_trans_settings *cts = &ccb->cts;
		struct  ata_cam_device *d;

		if (ata_check_ids(dev, ccb))
			return;
		if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
			d = &ch->curr[ccb->ccb_h.target_id];
		else
			d = &ch->user[ccb->ccb_h.target_id];
		cts->protocol = PROTO_UNSPECIFIED;
		cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
		if (ch->flags & ATA_SATA) {
			cts->transport = XPORT_SATA;
			cts->transport_version = XPORT_VERSION_UNSPECIFIED;
			cts->xport_specific.sata.valid = 0;
			cts->xport_specific.sata.mode = d->mode;
			cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
			cts->xport_specific.sata.bytecount = d->bytecount;
			cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
			if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
				cts->xport_specific.sata.revision =
				    ATA_GETREV(dev, ccb->ccb_h.target_id);
				if (cts->xport_specific.sata.revision != 0xff) {
					cts->xport_specific.sata.valid |=
					    CTS_SATA_VALID_REVISION;
				}
				cts->xport_specific.sata.caps =
				    d->caps & CTS_SATA_CAPS_D;
				if (ch->pm_level) {
					cts->xport_specific.sata.caps |=
					    CTS_SATA_CAPS_H_PMREQ;
				}
				cts->xport_specific.sata.caps &=
				    ch->user[ccb->ccb_h.target_id].caps;
			} else {
				cts->xport_specific.sata.revision = d->revision;
				cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
				cts->xport_specific.sata.caps = d->caps;
			}
			cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
			cts->xport_specific.sata.atapi = d->atapi;
			cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
		} else {
			cts->transport = XPORT_ATA;
			cts->transport_version = XPORT_VERSION_UNSPECIFIED;
			cts->xport_specific.ata.valid = 0;
			cts->xport_specific.ata.mode = d->mode;
			cts->xport_specific.ata.valid |= CTS_ATA_VALID_MODE;
			cts->xport_specific.ata.bytecount = d->bytecount;
			cts->xport_specific.ata.valid |= CTS_ATA_VALID_BYTECOUNT;
			if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
				cts->xport_specific.ata.caps =
				    d->caps & CTS_ATA_CAPS_D;
				if (!(ch->flags & ATA_NO_48BIT_DMA))
					cts->xport_specific.ata.caps |=
					    CTS_ATA_CAPS_H_DMA48;
				cts->xport_specific.ata.caps &=
				    ch->user[ccb->ccb_h.target_id].caps;
			} else
				cts->xport_specific.ata.caps = d->caps;
			cts->xport_specific.ata.valid |= CTS_ATA_VALID_CAPS;
			cts->xport_specific.ata.atapi = d->atapi;
			cts->xport_specific.ata.valid |= CTS_ATA_VALID_ATAPI;
		}
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_RESET_BUS:		/* Reset the specified SCSI bus */
	case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
		ata_reinit(dev);
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_TERM_IO:		/* Terminate the I/O process */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		parent = device_get_parent(dev);
		cpi->version_num = 1; /* XXX??? */
		cpi->hba_inquiry = PI_SDTR_ABLE;
		cpi->target_sprt = 0;
		cpi->hba_misc = PIM_SEQSCAN;
		cpi->hba_eng_cnt = 0;
		if (ch->flags & ATA_NO_SLAVE)
			cpi->max_target = 0;
		else
			cpi->max_target = 1;
		cpi->max_lun = 0;
		cpi->initiator_id = 0;
		cpi->bus_id = cam_sim_bus(sim);
		if (ch->flags & ATA_SATA)
			cpi->base_transfer_speed = 150000;
		else
			cpi->base_transfer_speed = 3300;
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "ATA", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		if (ch->flags & ATA_SATA)
			cpi->transport = XPORT_SATA;
		else
			cpi->transport = XPORT_ATA;
		cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
		cpi->protocol = PROTO_ATA;
		cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
		cpi->maxio = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS;
		if (device_get_devclass(device_get_parent(parent)) ==
		    devclass_find("pci")) {
			cpi->hba_vendor = pci_get_vendor(parent);
			cpi->hba_device = pci_get_device(parent);
			cpi->hba_subvendor = pci_get_subvendor(parent);
			cpi->hba_subdevice = pci_get_subdevice(parent);
		}
		cpi->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	}
	xpt_done(ccb);
}
示例#11
0
文件: ahb.c 项目: AhmadTux/freebsd
static void
ahbaction(struct cam_sim *sim, union ccb *ccb)
{
	struct	ahb_softc *ahb;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahbaction\n"));
	
	ahb = (struct ahb_softc *)cam_sim_softc(sim);
	
	switch (ccb->ccb_h.func_code) {
	/* Common cases first */
	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
	{
		struct ecb *ecb;
		struct hardware_ecb *hecb;

		/*
		 * get an ecb to use.
		 */
		if ((ecb = ahbecbget(ahb)) == NULL) {
			/* Should never occur */
			panic("Failed to get an ecb");
		}

		/*
		 * So we can find the ECB when an abort is requested
		 */
		ecb->ccb = ccb;
		ccb->ccb_h.ccb_ecb_ptr = ecb;
		ccb->ccb_h.ccb_ahb_ptr = ahb;

		/*
		 * Put all the arguments for the xfer in the ecb
		 */
		hecb = &ecb->hecb;
		hecb->opcode = ECBOP_INITIATOR_SCSI_CMD;
		hecb->flag_word1 = FW1_AUTO_REQUEST_SENSE
				 | FW1_ERR_STATUS_BLK_ONLY;
		hecb->flag_word2 = ccb->ccb_h.target_lun
				 | FW2_NO_RETRY_ON_BUSY;
		if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) {
			hecb->flag_word2 |= FW2_TAG_ENB
					 | ((ccb->csio.tag_action & 0x3)
					    << FW2_TAG_TYPE_SHIFT);
		}
		if ((ccb->ccb_h.flags & CAM_DIS_DISCONNECT) != 0)
			hecb->flag_word2 |= FW2_DISABLE_DISC;
		hecb->sense_len = ccb->csio.sense_len;
		hecb->cdb_len = ccb->csio.cdb_len;
		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0) {
				bcopy(ccb->csio.cdb_io.cdb_ptr,
				      hecb->cdb, hecb->cdb_len);
			} else {
				/* I guess I could map it in... */
				ccb->ccb_h.status = CAM_REQ_INVALID;
				ahbecbfree(ahb, ecb);
				xpt_done(ccb);
				return;
			}
		} else {
			bcopy(ccb->csio.cdb_io.cdb_bytes,
			      hecb->cdb, hecb->cdb_len);
		}

		/*
		 * If we have any data to send with this command,
		 * map it into bus space.
		 */
		if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
			if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
				/*
				 * We've been given a pointer
				 * to a single buffer.
				 */
				if ((ccb->ccb_h.flags & CAM_DATA_PHYS)==0) {
					int s;
					int error;

					s = splsoftvm();
					error = bus_dmamap_load(
					    ahb->buffer_dmat,
					    ecb->dmamap,
					    ccb->csio.data_ptr,
					    ccb->csio.dxfer_len,
					    ahbexecuteecb,
					    ecb, /*flags*/0);
					if (error == EINPROGRESS) {
						/*
						 * So as to maintain ordering,
						 * freeze the controller queue
						 * until our mapping is
						 * returned.
						 */
						xpt_freeze_simq(ahb->sim, 1);
						ccb->ccb_h.status |=
						    CAM_RELEASE_SIMQ;
					}
					splx(s);
				} else {
					struct bus_dma_segment seg; 

					/* Pointer to physical buffer */
					seg.ds_addr =
					    (bus_addr_t)ccb->csio.data_ptr;
					seg.ds_len = ccb->csio.dxfer_len;
					ahbexecuteecb(ecb, &seg, 1, 0);
				}
			} else {
				struct bus_dma_segment *segs;

				if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
					panic("ahbaction - Physical segment "
					      "pointers unsupported");

				if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0)
					panic("btaction - Virtual segment "
					      "addresses unsupported");

				/* Just use the segments provided */
				segs = (struct bus_dma_segment *)
				    ccb->csio.data_ptr;
				ahbexecuteecb(ecb, segs, ccb->csio.sglist_cnt,
					     0);
			}
		} else {
			ahbexecuteecb(ecb, NULL, 0, 0);
		}
		break;
	}
	case XPT_EN_LUN:		/* Enable LUN as a target */
	case XPT_TARGET_IO:		/* Execute target I/O request */
	case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
	case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
	case XPT_ABORT:			/* Abort the specified CCB */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	case XPT_SET_TRAN_SETTINGS:
	{
		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
		xpt_done(ccb);
		break;
	}
	case XPT_GET_TRAN_SETTINGS:
	/* Get default/user set transfer settings for the target */
	{
		struct	ccb_trans_settings *cts = &ccb->cts;
		u_int	target_mask = 0x01 << ccb->ccb_h.target_id;
		struct ccb_trans_settings_scsi *scsi =
		    &cts->proto_specific.scsi;
		struct ccb_trans_settings_spi *spi =
		    &cts->xport_specific.spi;

		if (cts->type == CTS_TYPE_USER_SETTINGS) {
			cts->protocol = PROTO_SCSI;
			cts->protocol_version = SCSI_REV_2;
			cts->transport = XPORT_SPI;
			cts->transport_version = 2;

			scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
			spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
			if ((ahb->disc_permitted & target_mask) != 0)
				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
			if ((ahb->tags_permitted & target_mask) != 0)
				scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
			spi->sync_period = 25; /* 10MHz */

			if (spi->sync_period != 0)
				spi->sync_offset = 15;

			spi->valid = CTS_SPI_VALID_SYNC_RATE
				   | CTS_SPI_VALID_SYNC_OFFSET
				   | CTS_SPI_VALID_BUS_WIDTH
				   | CTS_SPI_VALID_DISC;
			scsi->valid = CTS_SCSI_VALID_TQ;
			ccb->ccb_h.status = CAM_REQ_CMP;
		} else {
			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
		}
		xpt_done(ccb);
		break;
	}
	case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
	{
		int i;
		int s;

		s = splcam();
		ahb->immed_cmd = IMMED_RESET;
		ahbqueuembox(ahb, IMMED_RESET, ATTN_IMMED|ccb->ccb_h.target_id);
		/* Poll for interrupt completion */
		for (i = 1000; ahb->immed_cmd != 0 && i != 0; i--) {
			DELAY(1000);
			ahbintr(cam_sim_softc(sim));
		}
		splx(s);
		break;
	}
	case XPT_CALC_GEOMETRY:
	{
		cam_calc_geometry(&ccb->ccg, ahb->extended_trans); 
		xpt_done(ccb);
		break;
	}
	case XPT_RESET_BUS:		/* Reset the specified SCSI bus */
	{
		int i;

		ahb->immed_cmd = IMMED_RESET;
		ahbqueuembox(ahb, IMMED_RESET, ATTN_IMMED|ahb->scsi_id);
		/* Poll for interrupt completion */
		for (i = 1000; ahb->immed_cmd != 0 && i != 0; i--)
			DELAY(1000);
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_TERM_IO:		/* Terminate the I/O process */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;
		
		cpi->version_num = 1; /* XXX??? */
		cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
		cpi->target_sprt = 0;
		cpi->hba_misc = 0;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = 7;
		cpi->max_lun = 7;
		cpi->initiator_id = ahb->scsi_id;
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 3300;
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
                cpi->transport = XPORT_SPI;
                cpi->transport_version = 2;
                cpi->protocol = PROTO_SCSI;
                cpi->protocol_version = SCSI_REV_2;
		cpi->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
#if 0
	/* Need these??? */
        case XPT_IMMED_NOTIFY:		/* Notify Host Target driver of event */
        case XPT_NOTIFY_ACK:		/* Acknowledgement of event */
#endif
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#12
0
static void
isp_action(struct cam_sim *sim, union ccb *ccb)
{
	int s, tgt, error;
	struct ispsoftc *isp;
	struct ccb_trans_settings *cts;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
	
	isp = (struct ispsoftc *)cam_sim_softc(sim);
	ccb->ccb_h.sim_priv.entries[0].field = 0;
	ccb->ccb_h.sim_priv.entries[1].ptr = isp;
	/*
	 * This should only happen for Fibre Channel adapters.
	 * We want to pass through all but XPT_SCSI_IO (e.g.,
	 * path inquiry) but fail if we can't get good Fibre
	 * Channel link status.
	 */
	if (ccb->ccb_h.func_code == XPT_SCSI_IO &&
	    isp->isp_state != ISP_RUNSTATE) {
		s = splcam();
		DISABLE_INTS(isp);
		isp_init(isp);
		if (isp->isp_state != ISP_INITSTATE) {
			(void) splx(s);
			/*
			 * Lie. Say it was a selection timeout.
			 */
			ccb->ccb_h.status = CAM_SEL_TIMEOUT;
			xpt_done(ccb);
			return;
		}
		isp->isp_state = ISP_RUNSTATE;
		ENABLE_INTS(isp);
		(void) splx(s);
	}
	
	IDPRINTF(4, ("%s: isp_action code %x\n", isp->isp_name,
	    ccb->ccb_h.func_code));

	switch (ccb->ccb_h.func_code) {
	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
		/*
		 * Do a couple of preliminary checks...
		 */
		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
				ccb->ccb_h.status = CAM_REQ_INVALID;
				xpt_done(ccb);
				break;
			}
		}

		
		if (isp->isp_type & ISP_HA_SCSI) {
			if (ccb->ccb_h.target_id > (MAX_TARGETS-1)) {
				ccb->ccb_h.status = CAM_PATH_INVALID;
			} else if (ISP_FW_REVX(isp->isp_fwrev) >=
			    ISP_FW_REV(7, 55, 0)) {
				/*
				 * Too much breakage.
				 */
#if	0
				if (ccb->ccb_h.target_lun > 31) {
					ccb->ccb_h.status = CAM_PATH_INVALID;
				}
#else
				if (ccb->ccb_h.target_lun > 7) {
					ccb->ccb_h.status = CAM_PATH_INVALID;
				}
#endif
			} else if (ccb->ccb_h.target_lun > 7) {
				ccb->ccb_h.status = CAM_PATH_INVALID;
			}
		} else {
			if (ccb->ccb_h.target_id > (MAX_FC_TARG-1)) {
				ccb->ccb_h.status = CAM_PATH_INVALID;
#ifdef	SCCLUN
			} else if (ccb->ccb_h.target_lun > 15) {
				ccb->ccb_h.status = CAM_PATH_INVALID;
#else
			} else if (ccb->ccb_h.target_lun > 65535) {
				ccb->ccb_h.status = CAM_PATH_INVALID;
#endif
			}
		}
		if (ccb->ccb_h.status == CAM_PATH_INVALID) {
			printf("%s: invalid tgt/lun (%d.%d) in XPT_SCSI_IO\n",
			    isp->isp_name, ccb->ccb_h.target_id,
			    ccb->ccb_h.target_lun);
			xpt_done(ccb);
			break;
		}
		s = splcam();
		DISABLE_INTS(isp);
		switch (ispscsicmd((ISP_SCSI_XFER_T *) ccb)) {
		case CMD_QUEUED:
			ccb->ccb_h.status |= CAM_SIM_QUEUED;
			break;
		case CMD_EAGAIN:
			if (!(isp->isp_osinfo.simqfrozen & SIMQFRZ_RESOURCE)) {
				xpt_freeze_simq(sim, 1);
				isp->isp_osinfo.simqfrozen |= SIMQFRZ_RESOURCE;
			}
			ccb->ccb_h.status &= ~CAM_STATUS_MASK;
                        ccb->ccb_h.status |= CAM_REQUEUE_REQ;
			xpt_done(ccb);
			break;
		case CMD_COMPLETE:
			/*
			 * Just make sure that we didn't get it returned
			 * as completed, but with the request still in
			 * progress. In theory, 'cannot happen'.
			 */
			if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
			    CAM_REQ_INPROG) {
				ccb->ccb_h.status &= ~CAM_STATUS_MASK;
				ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
			}
			xpt_done(ccb);
			break;
		}
		ENABLE_INTS(isp);
		splx(s);
		break;

	case XPT_EN_LUN:		/* Enable LUN as a target */
	case XPT_TARGET_IO:		/* Execute target I/O request */
	case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
	case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;

	case XPT_RESET_DEV:		/* BDR the specified SCSI device */
		tgt = ccb->ccb_h.target_id; /* XXX: Which Bus? */
		s = splcam();
		error = isp_control(isp, ISPCTL_RESET_DEV, &tgt);
		(void) splx(s);
		if (error) {
			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
		} else {
			ccb->ccb_h.status = CAM_REQ_CMP;
		}
		xpt_done(ccb);
		break;
	case XPT_ABORT:			/* Abort the specified CCB */
		s = splcam();
		error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
		(void) splx(s);
		if (error) {
			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
		} else {
			ccb->ccb_h.status = CAM_REQ_CMP;
		}
		xpt_done(ccb);
		break;

	case XPT_SET_TRAN_SETTINGS:	/* Nexus Settings */

		cts = &ccb->cts;
		tgt = cts->ccb_h.target_id;
		s = splcam();
		if (isp->isp_type & ISP_HA_FC) {
			;	/* nothing to change */
		} else {
			sdparam *sdp = isp->isp_param;
			u_int16_t *dptr;
			int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));

			sdp += bus;
#if	0
			if (cts->flags & CCB_TRANS_CURRENT_SETTINGS)
				dptr = &sdp->isp_devparam[tgt].cur_dflags;
			else
				dptr = &sdp->isp_devparam[tgt].dev_flags;
#else
			/*
			 * We always update (internally) from dev_flags
			 * so any request to change settings just gets
			 * vectored to that location.
			 */
			dptr = &sdp->isp_devparam[tgt].dev_flags;
#endif

			/*
			 * Note that these operations affect the
			 * the goal flags (dev_flags)- not
			 * the current state flags. Then we mark
			 * things so that the next operation to
			 * this HBA will cause the update to occur.
			 */
			if (cts->valid & CCB_TRANS_DISC_VALID) {
				if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) {
					*dptr |= DPARM_DISC;
				} else {
					*dptr &= ~DPARM_DISC;
				}
			}
			if (cts->valid & CCB_TRANS_TQ_VALID) {
				if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) {
					*dptr |= DPARM_TQING;
				} else {
					*dptr &= ~DPARM_TQING;
				}
			}
			if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) {
				switch (cts->bus_width) {
				case MSG_EXT_WDTR_BUS_16_BIT:
					*dptr |= DPARM_WIDE;
					break;
				default:
					*dptr &= ~DPARM_WIDE;
				}
			}
			/*
			 * Any SYNC RATE of nonzero and SYNC_OFFSET
			 * of nonzero will cause us to go to the
			 * selected (from NVRAM) maximum value for
			 * this device. At a later point, we'll
			 * allow finer control.
			 */
			if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
			    (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) &&
			    (cts->sync_offset > 0)) {
				*dptr |= DPARM_SYNC;
			} else {
				*dptr &= ~DPARM_SYNC;
			}
			if (bootverbose || isp->isp_dblev >= 3)
				printf("%s: %d.%d set %s period 0x%x offset "
				    "0x%x flags 0x%x\n", isp->isp_name, bus,
				    tgt,
				    (cts->flags & CCB_TRANS_CURRENT_SETTINGS)?
				    "current" : "user", 
				    sdp->isp_devparam[tgt].sync_period,
				    sdp->isp_devparam[tgt].sync_offset,
				    sdp->isp_devparam[tgt].dev_flags);
			s = splcam();
			sdp->isp_devparam[tgt].dev_update = 1;
			isp->isp_update |= (1 << bus);
			(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, NULL);
			(void) splx(s);
		}
		(void) splx(s);
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;

	case XPT_GET_TRAN_SETTINGS:

		cts = &ccb->cts;
		tgt = cts->ccb_h.target_id;
		if (isp->isp_type & ISP_HA_FC) {
			/*
			 * a lot of normal SCSI things don't make sense.
			 */
			cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
			cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
			/*
			 * How do you measure the width of a high
			 * speed serial bus? Well, in bytes.
			 *
			 * Offset and period make no sense, though, so we set
			 * (above) a 'base' transfer speed to be gigabit.
			 */
			cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
		} else {
			sdparam *sdp = isp->isp_param;
			u_int16_t dval, pval, oval;
			int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));

			sdp += bus;
			if (cts->flags & CCB_TRANS_CURRENT_SETTINGS) {
				s = splcam();
				/*
				 * First do a refresh to see if things
				 * have changed recently!
				 */
				sdp->isp_devparam[tgt].dev_refresh = 1;
				isp->isp_update |= (1 << bus);
				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS,
				    NULL);
				(void) splx(s);
				dval = sdp->isp_devparam[tgt].cur_dflags;
				oval = sdp->isp_devparam[tgt].cur_offset;
				pval = sdp->isp_devparam[tgt].cur_period;
			} else {
				dval = sdp->isp_devparam[tgt].dev_flags;
				oval = sdp->isp_devparam[tgt].sync_offset;
				pval = sdp->isp_devparam[tgt].sync_period;
			}

			s = splcam();
			cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);

			if (dval & DPARM_DISC) {
				cts->flags |= CCB_TRANS_DISC_ENB;
			}
			if (dval & DPARM_TQING) {
				cts->flags |= CCB_TRANS_TAG_ENB;
			}
			if (dval & DPARM_WIDE) {
				cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
			} else {
				cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
			}
			cts->valid = CCB_TRANS_BUS_WIDTH_VALID |
			    CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;

			if ((dval & DPARM_SYNC) && oval != 0) {
				cts->sync_period = pval;
				cts->sync_offset = oval;
				cts->valid |=
				    CCB_TRANS_SYNC_RATE_VALID |
				    CCB_TRANS_SYNC_OFFSET_VALID;
			}
			splx(s);
			if (bootverbose || isp->isp_dblev >= 3)
				printf("%s: %d.%d get %s period 0x%x offset "
				    "0x%x flags 0x%x\n", isp->isp_name, bus,
				    tgt,
			    	    (cts->flags & CCB_TRANS_CURRENT_SETTINGS)?
				    "current" : "user", pval, oval, dval);
		}
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;

	case XPT_CALC_GEOMETRY:
	{
		struct ccb_calc_geometry *ccg;
		u_int32_t secs_per_cylinder;
		u_int32_t size_mb;

		ccg = &ccb->ccg;
		if (ccg->block_size == 0) {
			printf("%s: %d.%d XPT_CALC_GEOMETRY block size 0?\n",
				isp->isp_name, ccg->ccb_h.target_id,
				ccg->ccb_h.target_lun);
			ccb->ccb_h.status = CAM_REQ_INVALID;
			xpt_done(ccb);
			break;
		}
		size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size);
		if (size_mb > 1024) {
			ccg->heads = 255;
			ccg->secs_per_track = 63;
		} else {
			ccg->heads = 64;
			ccg->secs_per_track = 32;
		}
		secs_per_cylinder = ccg->heads * ccg->secs_per_track;
		ccg->cylinders = ccg->volume_size / secs_per_cylinder;
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_RESET_BUS:		/* Reset the specified bus */
		tgt = cam_sim_bus(sim);
		s = splcam();
		error = isp_control(isp, ISPCTL_RESET_BUS, &tgt);
		(void) splx(s);
		if (error)
			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
		else {
			if (cam_sim_bus(sim) && isp->isp_path2 != NULL)
				xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
			else if (isp->isp_path != NULL)
				xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
			ccb->ccb_h.status = CAM_REQ_CMP;
		}
		xpt_done(ccb);
		break;

	case XPT_TERM_IO:		/* Terminate the I/O process */
		/* Does this need to be implemented? */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;

	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		cpi->version_num = 1;
		cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
		cpi->target_sprt = 0;
		cpi->hba_eng_cnt = 0;
		if (IS_FC(isp)) {
			cpi->hba_misc = PIM_NOBUSRESET;
			cpi->max_target = MAX_FC_TARG-1;
			cpi->initiator_id =
			    ((fcparam *)isp->isp_param)->isp_loopid;
#ifdef	SCCLUN
			cpi->max_lun = (1 << 16) - 1;
#else
			cpi->max_lun = (1 << 4) - 1;
#endif
			/*
			 * Set base transfer capabilities for Fibre Channel.
			 * Technically not correct because we don't know
			 * what media we're running on top of- but we'll
			 * look good if we always say 100MB/s.
			 */
			cpi->base_transfer_speed = 100000;
		} else {
			sdparam *sdp = isp->isp_param;
			sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
			cpi->hba_misc = 0;
			cpi->initiator_id = sdp->isp_initiator_id;
			cpi->max_target =  MAX_TARGETS-1;
			if (ISP_FW_REVX(isp->isp_fwrev) >=
			    ISP_FW_REV(7, 55, 0)) {
#if	0
				/*
				 * Too much breakage.
				 */
				cpi->max_lun = (1 << 5) - 1;
#else
				cpi->max_lun = (1 << 3) - 1;
#endif
			} else {
				cpi->max_lun = (1 << 3) - 1;
			}
			cpi->base_transfer_speed = 3300;
		}

		cpi->bus_id = cam_sim_bus(sim);
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#13
0
static void
adv_action(struct cam_sim *sim, union ccb *ccb)
{
	struct adv_softc *adv;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("adv_action\n"));

	adv = (struct adv_softc *)cam_sim_softc(sim);

	switch (ccb->ccb_h.func_code) {
	/* Common cases first */
	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
	{
		struct	ccb_hdr *ccb_h;
		struct	ccb_scsiio *csio;
		struct	adv_ccb_info *cinfo;

		ccb_h = &ccb->ccb_h;
		csio = &ccb->csio;
		cinfo = adv_get_ccb_info(adv);
		if (cinfo == NULL)
			panic("XXX Handle CCB info error!!!");

		ccb_h->ccb_cinfo_ptr = cinfo;
		cinfo->ccb = ccb;

		/* Only use S/G if there is a transfer */
		if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
			if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) {
				/*
				 * We've been given a pointer
				 * to a single buffer
				 */
				if ((ccb_h->flags & CAM_DATA_PHYS) == 0) {
					int s;
					int error;

					s = splsoftvm();
					error =
					    bus_dmamap_load(adv->buffer_dmat,
							    cinfo->dmamap,
							    csio->data_ptr,
							    csio->dxfer_len,
							    adv_execute_ccb,
							    csio, /*flags*/0);
					if (error == EINPROGRESS) {
						/*
						 * So as to maintain ordering,
						 * freeze the controller queue
						 * until our mapping is
						 * returned.
						 */
						adv_set_state(adv,
							      ADV_BUSDMA_BLOCK);
					}
					splx(s);
				} else {
					struct bus_dma_segment seg;

					/* Pointer to physical buffer */
					seg.ds_addr =
					     (bus_addr_t)csio->data_ptr;
					seg.ds_len = csio->dxfer_len;
					adv_execute_ccb(csio, &seg, 1, 0);
				}
			} else {
				struct bus_dma_segment *segs;
				if ((ccb_h->flags & CAM_DATA_PHYS) != 0)
					panic("adv_setup_data - Physical "
					      "segment pointers unsupported");

				if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0)
					panic("adv_setup_data - Virtual "
					      "segment addresses unsupported");

				/* Just use the segments provided */
				segs = (struct bus_dma_segment *)csio->data_ptr;
				adv_execute_ccb(ccb, segs, csio->sglist_cnt, 0);
			}
		} else {
			adv_execute_ccb(ccb, NULL, 0, 0);
		}
		break;
	}
	case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
	case XPT_TARGET_IO:	/* Execute target I/O request */
	case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
	case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
	case XPT_EN_LUN:		/* Enable LUN as a target */
	case XPT_ABORT:			/* Abort the specified CCB */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
#define	IS_CURRENT_SETTINGS(c)	(c->type == CTS_TYPE_CURRENT_SETTINGS)
#define	IS_USER_SETTINGS(c)	(c->type == CTS_TYPE_USER_SETTINGS)
	case XPT_SET_TRAN_SETTINGS:
	{
		struct ccb_trans_settings_scsi *scsi;
		struct ccb_trans_settings_spi *spi;
		struct	 ccb_trans_settings *cts;
		target_bit_vector targ_mask;
		struct adv_transinfo *tconf;
		u_int	 update_type;
		int	 s;

		cts = &ccb->cts;
		targ_mask = ADV_TID_TO_TARGET_MASK(cts->ccb_h.target_id);
		update_type = 0;

		/*
		 * The user must specify which type of settings he wishes
		 * to change.
		 */
		if (IS_CURRENT_SETTINGS(cts) && !IS_USER_SETTINGS(cts)) {
			tconf = &adv->tinfo[cts->ccb_h.target_id].current;
			update_type |= ADV_TRANS_GOAL;
		} else if (IS_USER_SETTINGS(cts) && !IS_CURRENT_SETTINGS(cts)) {
			tconf = &adv->tinfo[cts->ccb_h.target_id].user;
			update_type |= ADV_TRANS_USER;
		} else {
			ccb->ccb_h.status = CAM_REQ_INVALID;
			break;
		}
		
		s = splcam();
		scsi = &cts->proto_specific.scsi;
		spi = &cts->xport_specific.spi;
		if ((update_type & ADV_TRANS_GOAL) != 0) {
			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
				if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
					adv->disc_enable |= targ_mask;
				else
					adv->disc_enable &= ~targ_mask;
				adv_write_lram_8(adv, ADVV_DISC_ENABLE_B,
						 adv->disc_enable); 
			}

			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
					adv->cmd_qng_enabled |= targ_mask;
				else
					adv->cmd_qng_enabled &= ~targ_mask;
			}
		}

		if ((update_type & ADV_TRANS_USER) != 0) {
			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
				if ((spi->flags & CTS_SPI_VALID_DISC) != 0)
					adv->user_disc_enable |= targ_mask;
				else
					adv->user_disc_enable &= ~targ_mask;
			}

			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
					adv->user_cmd_qng_enabled |= targ_mask;
				else
					adv->user_cmd_qng_enabled &= ~targ_mask;
			}
		}
		
		/*
		 * If the user specifies either the sync rate, or offset,
		 * but not both, the unspecified parameter defaults to its
		 * current value in transfer negotiations.
		 */
		if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
		 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
			/*
			 * If the user provided a sync rate but no offset,
			 * use the current offset.
			 */
			if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
				spi->sync_offset = tconf->offset;

			/*
			 * If the user provided an offset but no sync rate,
			 * use the current sync rate.
			 */
			if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
				spi->sync_period = tconf->period;

			adv_period_offset_to_sdtr(adv, &spi->sync_period,
						  &spi->sync_offset,
						  cts->ccb_h.target_id);
			
			adv_set_syncrate(adv, /*struct cam_path */NULL,
					 cts->ccb_h.target_id, spi->sync_period,
					 spi->sync_offset, update_type);
		}

		splx(s);
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_GET_TRAN_SETTINGS:
	/* Get default/user set transfer settings for the target */
	{
		struct ccb_trans_settings_scsi *scsi;
		struct ccb_trans_settings_spi *spi;
		struct ccb_trans_settings *cts;
		struct adv_transinfo *tconf;
		target_bit_vector target_mask;
		int s;

		cts = &ccb->cts;
		target_mask = ADV_TID_TO_TARGET_MASK(cts->ccb_h.target_id);

		scsi = &cts->proto_specific.scsi;
		spi = &cts->xport_specific.spi;

		cts->protocol = PROTO_SCSI;
		cts->protocol_version = SCSI_REV_2;
		cts->transport = XPORT_SPI;
		cts->transport_version = 2;

		scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
		spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;

		s = splcam();
		if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
			tconf = &adv->tinfo[cts->ccb_h.target_id].current;
			if ((adv->disc_enable & target_mask) != 0)
				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
			if ((adv->cmd_qng_enabled & target_mask) != 0)
				scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
		} else {
			tconf = &adv->tinfo[cts->ccb_h.target_id].user;
			if ((adv->user_disc_enable & target_mask) != 0)
				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
			if ((adv->user_cmd_qng_enabled & target_mask) != 0)
				scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
		}
		spi->sync_period = tconf->period;
		spi->sync_offset = tconf->offset;
		splx(s);
		spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
		spi->valid = CTS_SPI_VALID_SYNC_RATE
			   | CTS_SPI_VALID_SYNC_OFFSET
			   | CTS_SPI_VALID_BUS_WIDTH
			   | CTS_SPI_VALID_DISC;
		scsi->valid = CTS_SCSI_VALID_TQ;
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_CALC_GEOMETRY:
	{
		int	  extended;

		extended = (adv->control & ADV_CNTL_BIOS_GT_1GB) != 0;
		cam_calc_geometry(&ccb->ccg, extended); 
		xpt_done(ccb);
		break;
	}
	case XPT_RESET_BUS:		/* Reset the specified SCSI bus */
	{
		int s;

		s = splcam();
		adv_stop_execution(adv);
		adv_reset_bus(adv, /*initiate_reset*/TRUE);
		adv_start_execution(adv);
		splx(s);

		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_TERM_IO:		/* Terminate the I/O process */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;
		
		cpi->version_num = 1; /* XXX??? */
		cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
		cpi->target_sprt = 0;
		cpi->hba_misc = 0;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = 7;
		cpi->max_lun = 7;
		cpi->initiator_id = adv->scsi_id;
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 3300;
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "Advansys", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->ccb_h.status = CAM_REQ_CMP;
                cpi->transport = XPORT_SPI;
                cpi->transport_version = 2;
                cpi->protocol = PROTO_SCSI;
                cpi->protocol_version = SCSI_REV_2;
		xpt_done(ccb);
		break;
	}
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#14
0
/*
 * mrsas_build_dcdb:	Builds an DCDB command
 * input:				Adapter instance soft state
 * 						Pointer to command packet
 * 						Pointer to CCB
 *
 * This function builds the DCDB inquiry command.  It returns 0 if the command
 * is built successfully, otherwise it returns a 1.
 */
int
mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
    union ccb *ccb, struct cam_sim *sim)
{
	struct ccb_hdr *ccb_h = &(ccb->ccb_h);
	u_int32_t device_id;
	MR_DRV_RAID_MAP_ALL *map_ptr;
	MRSAS_RAID_SCSI_IO_REQUEST *io_request;

	io_request = cmd->io_request;
	device_id = ccb_h->target_id;
	map_ptr = sc->ld_drv_map[(sc->map_id & 1)];

	/*
         * Check if this is RW for system PD or
         * it's a NON RW for sys PD and there is NO secure jbod FW support
         */
	if (cam_sim_bus(sim) == 1 &&
	    sc->pd_list[device_id].driveState == MR_PD_STATE_SYSTEM) {

		io_request->DevHandle =
		    map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
		io_request->RaidContext.RAIDFlags =
		    MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
		    MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
		cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
		cmd->request_desc->SCSIIO.MSIxIndex =
		    sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;

		if (sc->secure_jbod_support && (mrsas_find_io_type(sim, ccb) == NON_READ_WRITE_SYSPDIO)) {
			/* system pd firmware path */
			io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
			cmd->request_desc->SCSIIO.RequestFlags =
			    (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
		} else {
			/* system pd fast path */
			io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
			io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
			io_request->RaidContext.regLockFlags = 0;
			io_request->RaidContext.regLockRowLBA = 0;
			io_request->RaidContext.regLockLength = 0;

			cmd->request_desc->SCSIIO.RequestFlags =
			    (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
			    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);

			/*
			 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH
			 * Because the NON RW cmds will now go via FW Queue
			 * and not the Exception queue
			 */
			if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
				io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
		}
	} else {
		/* FW path for SysPD or LD Non-RW (SCSI management commands) */
		io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
		io_request->DevHandle = device_id;
		cmd->request_desc->SCSIIO.RequestFlags =
		    (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
		    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
	}

	io_request->RaidContext.VirtualDiskTgtId = device_id;
	io_request->LUN[1] = ccb_h->target_lun & 0xF;
	io_request->DataLength = cmd->length;

	if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
		if (cmd->sge_count > sc->max_num_sge) {
			device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
			    "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
			return (1);
		}
		io_request->RaidContext.numSGE = cmd->sge_count;
	} else {
		device_printf(sc->mrsas_dev, "Data map/load failed.\n");
		return (1);
	}
	return (0);
}
示例#15
0
static void
mfip_cam_action(struct cam_sim *sim, union ccb *ccb)
{
	struct mfip_softc *sc = cam_sim_softc(sim);
	struct mfi_softc *mfisc = sc->mfi_sc;

	mtx_assert(&mfisc->mfi_io_lock, MA_OWNED);

	switch (ccb->ccb_h.func_code) {
	case XPT_PATH_INQ:
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		cpi->version_num = 1;
		cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
		cpi->target_sprt = 0;
		cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = MFI_SCSI_MAX_TARGETS;
		cpi->max_lun = MFI_SCSI_MAX_LUNS;
		cpi->initiator_id = MFI_SCSI_INITIATOR_ID;
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 150000;
		cpi->transport = XPORT_SAS;
		cpi->transport_version = 0;
		cpi->protocol = PROTO_SCSI;
		cpi->protocol_version = SCSI_REV_2;
		cpi->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_RESET_BUS:
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_RESET_DEV:
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_GET_TRAN_SETTINGS:
	{
		struct ccb_trans_settings_sas *sas =
		    &ccb->cts.xport_specific.sas;

		ccb->cts.protocol = PROTO_SCSI;
		ccb->cts.protocol_version = SCSI_REV_2;
		ccb->cts.transport = XPORT_SAS;
		ccb->cts.transport_version = 0;

		sas->valid &= ~CTS_SAS_VALID_SPEED;
		sas->bitrate = 150000;

		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_SET_TRAN_SETTINGS:
		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
		break;
	case XPT_SCSI_IO:
	{
		struct ccb_hdr		*ccbh = &ccb->ccb_h;
		struct ccb_scsiio	*csio = &ccb->csio;

		ccbh->status = CAM_REQ_INPROG;
		if (csio->cdb_len > MFI_SCSI_MAX_CDB_LEN) {
			ccbh->status = CAM_REQ_INVALID;
			break;
		}
		if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
			if (ccbh->flags & CAM_DATA_PHYS) {
				ccbh->status = CAM_REQ_INVALID;
				break;
			}
			if (ccbh->flags & CAM_SCATTER_VALID) {
				ccbh->status = CAM_REQ_INVALID;
				break;
			}
		}

		ccbh->ccb_mfip_ptr = sc;
		TAILQ_INSERT_TAIL(&mfisc->mfi_cam_ccbq, ccbh, sim_links.tqe);
		mfi_startio(mfisc);
		return;
	}
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	}

	xpt_done(ccb);
	return;
}
示例#16
0
/***********************************************************************
 * Handle a request for action from CAM
 */
static void
amr_cam_action(struct cam_sim *sim, union ccb *ccb)
{
	struct amr_softc	*sc = cam_sim_softc(sim);

	switch(ccb->ccb_h.func_code) {

	/*
	 * Perform SCSI I/O to a physical device.
	 */
	case XPT_SCSI_IO:
	{
		struct ccb_hdr		*ccbh = &ccb->ccb_h;
		struct ccb_scsiio	*csio = &ccb->csio;

		/* Validate the CCB */
		ccbh->status = CAM_REQ_INPROG;

		/* check the CDB length */
		if (csio->cdb_len > AMR_MAX_EXTCDB_LEN)
			ccbh->status = CAM_REQ_INVALID;

		if ((csio->cdb_len > AMR_MAX_CDB_LEN) &&
		    (sc->support_ext_cdb == 0))
			ccbh->status = CAM_REQ_INVALID;
	
		/* check that the CDB pointer is not to a physical address */
		if ((ccbh->flags & CAM_CDB_POINTER) &&
		    (ccbh->flags & CAM_CDB_PHYS))
			ccbh->status = CAM_REQ_INVALID;
		/*
		 * if there is data transfer, it must be to/from a virtual
		 * address
		 */
		if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
			if (ccbh->flags & CAM_DATA_PHYS)
				/* we can't map it */
				ccbh->status = CAM_REQ_INVALID;
			if (ccbh->flags & CAM_SCATTER_VALID)
				/* we want to do the s/g setup */
				ccbh->status = CAM_REQ_INVALID;
		}
	
		/*
		 * If the command is to a LUN other than 0, fail it.
		 * This is probably incorrect, but during testing the
		 * firmware did not seem to respect the LUN field, and thus
		 * devices appear echoed.
		 */
		if (csio->ccb_h.target_lun != 0)
			ccbh->status = CAM_DEV_NOT_THERE;

		/* if we're happy with the request, queue it for attention */
		if (ccbh->status == CAM_REQ_INPROG) {

			/* save the channel number in the ccb */
			csio->ccb_h.sim_priv.entries[0].field= cam_sim_bus(sim);

			amr_enqueue_ccb(sc, ccb);
			amr_startio(sc);
			return;
		}
		break;
	}

	case XPT_CALC_GEOMETRY:
	{
		cam_calc_geometry(&ccb->ccg, /*extended*/1);
		break;
	}

	/*
	 * Return path stats.  Some of these should probably be amended.
	 */
	case XPT_PATH_INQ:
	{
		struct ccb_pathinq	  *cpi = & ccb->cpi;

		debug(3, "XPT_PATH_INQ");
		cpi->version_num = 1;		   /* XXX??? */
		cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
		cpi->target_sprt = 0;
		cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = AMR_MAX_TARGETS;
		cpi->max_lun = 0 /* AMR_MAX_LUNS*/;
		cpi->initiator_id = 7;		  /* XXX variable? */
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 132 * 1024;  /* XXX */
		cpi->transport = XPORT_SPI;
		cpi->transport_version = 2;
		cpi->protocol = PROTO_SCSI;
		cpi->protocol_version = SCSI_REV_2;
		cpi->ccb_h.status = CAM_REQ_CMP;

		break;
	}

	case XPT_RESET_BUS:
	{
		struct ccb_pathinq	*cpi = & ccb->cpi;

		debug(1, "XPT_RESET_BUS");
		cpi->ccb_h.status = CAM_REQ_CMP;
		break;
	}

	case XPT_RESET_DEV:
	{
		debug(1, "XPT_RESET_DEV");
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	}

	case XPT_GET_TRAN_SETTINGS:
	{
		struct ccb_trans_settings	*cts = &(ccb->cts);

		debug(3, "XPT_GET_TRAN_SETTINGS");

		struct ccb_trans_settings_scsi *scsi;
		struct ccb_trans_settings_spi *spi;

		scsi = &cts->proto_specific.scsi;
		spi = &cts->xport_specific.spi;

		cts->protocol = PROTO_SCSI;
		cts->protocol_version = SCSI_REV_2;
		cts->transport = XPORT_SPI;
		cts->transport_version = 2;

		if (cts->type == CTS_TYPE_USER_SETTINGS) {
			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
			break;
		}

		spi->flags = CTS_SPI_FLAGS_DISC_ENB;
		spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT;
		spi->sync_period = 6;   /* 40MHz how wide is this bus? */
		spi->sync_offset = 31;  /* How to extract this from board? */

		spi->valid = CTS_SPI_VALID_SYNC_RATE
			| CTS_SPI_VALID_SYNC_OFFSET
			| CTS_SPI_VALID_BUS_WIDTH
			| CTS_SPI_VALID_DISC;
		scsi->valid = CTS_SCSI_VALID_TQ;
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	}

	case XPT_SET_TRAN_SETTINGS:
		debug(3, "XPT_SET_TRAN_SETTINGS");
		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
		break;


	/*
	 * Reject anything else as unsupported.
	 */
	default:
		/* we can't do this */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	}

	mtx_assert(&sc->amr_list_lock, MA_OWNED);
	xpt_done(ccb);
}
示例#17
0
static void
nvme_sim_action(struct cam_sim *sim, union ccb *ccb)
{
	struct nvme_controller *ctrlr;
	struct nvme_namespace *ns;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
	    ("nvme_sim_action: func= %#x\n",
		ccb->ccb_h.func_code));

	/*
	 * XXX when we support multiple namespaces in the base driver we'll need
	 * to revisit how all this gets stored and saved in the periph driver's
	 * reserved areas. Right now we store all three in the softc of the sim.
	 */
	ns = sim2ns(sim);
	ctrlr = sim2ctrlr(sim);

	mtx_assert(&ctrlr->lock, MA_OWNED);

	switch (ccb->ccb_h.func_code) {
	case XPT_CALC_GEOMETRY:		/* Calculate Geometry Totally nuts ? XXX */
		/* 
		 * Only meaningful for old-school SCSI disks since only the SCSI
		 * da driver generates them. Reject all these that slip through.
		 */
		/*FALLTHROUGH*/
	case XPT_ABORT:			/* Abort the specified CCB */
	case XPT_EN_LUN:		/* Enable LUN as a target */
	case XPT_TARGET_IO:		/* Execute target I/O request */
	case XPT_ACCEPT_TARGET_IO:	/* Accept Host Target Mode CDB */
	case XPT_CONT_TARGET_IO:	/* Continue Host Target I/O Connection*/
		/*
		 * Only target mode generates these, and only for SCSI. They are
		 * all invalid/unsupported for NVMe.
		 */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	case XPT_SET_TRAN_SETTINGS:
		/*
		 * NVMe doesn't really have different transfer settings, but
		 * other parts of CAM think failure here is a big deal.
		 */
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		/*
		 * NVMe may have multiple LUNs on the same path. Current generation
		 * of NVMe devives support only a single name space. Multiple name
		 * space drives are coming, but it's unclear how we should report
		 * them up the stack.
		 */
		cpi->version_num = 1;
		cpi->hba_inquiry = 0;
		cpi->target_sprt = 0;
		cpi->hba_misc =  PIM_UNMAPPED /* | PIM_NOSCAN */;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = 0;
		cpi->max_lun = ctrlr->cdata.nn;
		cpi->maxio = nvme_ns_get_max_io_xfer_size(ns);
		cpi->initiator_id = 0;
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 4000000;	/* 4 GB/s 4 lanes pcie 3 */
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "NVMe", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
                cpi->transport = XPORT_NVME;		/* XXX XPORT_PCIE ? */
                cpi->transport_version = 1;		/* XXX Get PCIe spec ? */
                cpi->protocol = PROTO_NVME;
                cpi->protocol_version = NVME_REV_1;	/* Groks all 1.x NVMe cards */
		cpi->xport_specific.nvme.nsid = ns->id;
		cpi->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_GET_TRAN_SETTINGS:	/* Get transport settings */
	{
		struct ccb_trans_settings	*cts;
		struct ccb_trans_settings_nvme	*nvmep;
		struct ccb_trans_settings_nvme	*nvmex;

		cts = &ccb->cts;
		nvmex = &cts->xport_specific.nvme;
		nvmep = &cts->proto_specific.nvme;

		nvmex->valid = CTS_NVME_VALID_SPEC;
		nvmex->spec_major = 1;			/* XXX read from card */
		nvmex->spec_minor = 2;
		nvmex->spec_tiny = 0;

		nvmep->valid = CTS_NVME_VALID_SPEC;
		nvmep->spec_major = 1;			/* XXX read from card */
		nvmep->spec_minor = 2;
		nvmep->spec_tiny = 0;
		cts->transport = XPORT_NVME;
		cts->protocol = PROTO_NVME;
		cts->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_TERM_IO:		/* Terminate the I/O process */
		/*
		 * every driver handles this, but nothing generates it. Assume
		 * it's OK to just say 'that worked'.
		 */
		/*FALLTHROUGH*/
	case XPT_RESET_DEV:		/* Bus Device Reset the specified device */
	case XPT_RESET_BUS:		/* Reset the specified bus */
		/*
		 * NVMe doesn't really support physically resetting the bus. It's part
		 * of the bus scanning dance, so return sucess to tell the process to
		 * proceed.
		 */
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_NVME_IO:		/* Execute the requested I/O operation */
		nvme_sim_nvmeio(sim, ccb);
		return;			/* no done */
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	}
	xpt_done(ccb);
}
示例#18
0
static void
tws_action(struct cam_sim *sim, union ccb *ccb)
{
    struct tws_softc *sc = (struct tws_softc *)cam_sim_softc(sim);


    switch( ccb->ccb_h.func_code ) {
        case XPT_SCSI_IO:   
        {
            if ( tws_execute_scsi(sc, ccb) ) 
                TWS_TRACE_DEBUG(sc, "execute scsi failed", 0, 0);
            break;
        }
        case XPT_ABORT:
        {
            TWS_TRACE_DEBUG(sc, "abort i/o", 0, 0);
            ccb->ccb_h.status = CAM_UA_ABORT;
            xpt_done(ccb);
            break;
        }
        case XPT_RESET_BUS:
        {
            TWS_TRACE_DEBUG(sc, "reset bus", sim, ccb);
            break;
        }
        case XPT_SET_TRAN_SETTINGS:
        {
            TWS_TRACE_DEBUG(sc, "set tran settings", sim, ccb);
            ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
            xpt_done(ccb);

            break;
        }
        case XPT_GET_TRAN_SETTINGS:
        {
            TWS_TRACE_DEBUG(sc, "get tran settings", sim, ccb);

#if (__FreeBSD_version >= 700000 )
            ccb->cts.protocol = PROTO_SCSI;
            ccb->cts.protocol_version = SCSI_REV_2;
            ccb->cts.transport = XPORT_SPI;
            ccb->cts.transport_version = 2;

            ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
            ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
            ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
            ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
#else
            ccb->cts.valid = (CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID);
            ccb->cts.flags &= ~(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB);
#endif
            ccb->ccb_h.status = CAM_REQ_CMP;
            xpt_done(ccb);

            break;
        }
        case XPT_CALC_GEOMETRY:
        {
            TWS_TRACE_DEBUG(sc, "calc geometry(ccb,block-size)", ccb, 
                                          ccb->ccg.block_size);
            cam_calc_geometry(&ccb->ccg, 1/* extended */);
            xpt_done(ccb);

            break;
        }
        case XPT_PATH_INQ:
        {
            TWS_TRACE_DEBUG(sc, "path inquiry", sim, ccb);
            ccb->cpi.version_num = 1;
            ccb->cpi.hba_inquiry = 0;
            ccb->cpi.target_sprt = 0;
            ccb->cpi.hba_misc = 0;
            ccb->cpi.hba_eng_cnt = 0;
            ccb->cpi.max_target = TWS_MAX_NUM_UNITS;
            ccb->cpi.max_lun = TWS_MAX_NUM_LUNS - 1;
            ccb->cpi.unit_number = cam_sim_unit(sim);
            ccb->cpi.bus_id = cam_sim_bus(sim);
            ccb->cpi.initiator_id = TWS_SCSI_INITIATOR_ID;
            ccb->cpi.base_transfer_speed = 6000000;
            strncpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
            strncpy(ccb->cpi.hba_vid, "3ware", HBA_IDLEN);
            strncpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
#if (__FreeBSD_version >= 700000 )
            ccb->cpi.transport = XPORT_SPI;
            ccb->cpi.transport_version = 2;
            ccb->cpi.protocol = PROTO_SCSI;
            ccb->cpi.protocol_version = SCSI_REV_2;
            ccb->cpi.maxio = TWS_MAX_IO_SIZE;
#endif
            ccb->ccb_h.status = CAM_REQ_CMP;
            xpt_done(ccb);

            break;
        }
        default:
            TWS_TRACE_DEBUG(sc, "default", sim, ccb);
            ccb->ccb_h.status = CAM_REQ_INVALID;
            xpt_done(ccb);
            break;
    }
}
示例#19
0
/*
 * Function name:	twa_action
 * Description:		Driver entry point for CAM's use.
 *
 * Input:		sim	-- sim corresponding to the ctlr
 *			ccb	-- ptr to CAM request
 * Output:		None
 * Return value:	None
 */
void
twa_action(struct cam_sim *sim, union ccb *ccb)
{
	struct twa_softc	*sc = (struct twa_softc *)cam_sim_softc(sim);
	struct ccb_hdr		*ccb_h = &(ccb->ccb_h);

	switch (ccb_h->func_code) {
	case XPT_SCSI_IO:	/* SCSI I/O */
	{
		struct twa_request	*tr;

		if ((sc->twa_state & TWA_STATE_SIMQ_FROZEN) ||
				((tr = twa_get_request(sc)) == NULL)) {
			twa_dbg_dprint(2, sc, "simq frozen/Cannot get request pkt.");
			/*
			 * Freeze the simq to maintain ccb ordering.  The next
			 * ccb that gets completed will unfreeze the simq.
			 */
			twa_disallow_new_requests(sc);
			ccb_h->status |= CAM_REQUEUE_REQ;
			xpt_done(ccb);
			break;
		}
		tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_EXTERNAL;
		tr->tr_private = ccb;
		tr->tr_callback = twa_complete_io;
		if (twa_execute_scsi(tr, ccb))
			twa_release_request(tr);
		break;
	}

	case XPT_ABORT:
		twa_dbg_dprint(2, sc, "Abort request");
		ccb_h->status = CAM_UA_ABORT;
		xpt_done(ccb);
		break;

	case XPT_RESET_BUS:
		twa_printf(sc, "Reset Bus request from CAM...\n");
		if (twa_reset(sc)) {
			twa_printf(sc, "Reset Bus failed!\n");
			ccb_h->status = CAM_REQ_CMP_ERR;
		}
		else
			ccb_h->status = CAM_REQ_CMP;

		xpt_done(ccb);
		break;

	case XPT_SET_TRAN_SETTINGS:
		twa_dbg_dprint(3, sc, "XPT_SET_TRAN_SETTINGS");

		/*
		 * This command is not supported, since it's very specific
		 * to SCSI, and we are doing ATA.
		 */
  		ccb_h->status = CAM_FUNC_NOTAVAIL;
  		xpt_done(ccb);
  		break;

	case XPT_GET_TRAN_SETTINGS: 
	{
		struct ccb_trans_settings	*cts = &ccb->cts;

		twa_dbg_dprint(3, sc, "XPT_GET_TRAN_SETTINGS");
		cts->valid = (CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID);
		cts->flags &= ~(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB);
		ccb_h->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}

	case XPT_CALC_GEOMETRY:
	{
		struct ccb_calc_geometry	*geom;

		twa_dbg_dprint(3, sc, "XPT_CALC_GEOMETRY request");
		geom = &ccb->ccg;

		if (geom->volume_size > 0x200000) /* 1 GB */ {
			geom->heads = 255;
			geom->secs_per_track = 63;
		} else {
			geom->heads = 64;
			geom->secs_per_track = 32;
		}
		geom->cylinders = geom->volume_size /
					(geom->heads * geom->secs_per_track);
		ccb_h->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}

	case XPT_PATH_INQ:    /* Path inquiry -- get twa properties */
	{
		struct ccb_pathinq	*path_inq = &ccb->cpi;

		twa_dbg_dprint(3, sc, "XPT_PATH_INQ request");

		path_inq->version_num = 1;
		path_inq->hba_inquiry = 0;
		path_inq->target_sprt = 0;
		path_inq->hba_misc = 0;
		path_inq->hba_eng_cnt = 0;
		path_inq->max_target = TWA_MAX_UNITS;
		path_inq->max_lun = 0;
		path_inq->unit_number = cam_sim_unit(sim);
		path_inq->bus_id = cam_sim_bus(sim);
		path_inq->initiator_id = 12;
		path_inq->base_transfer_speed = 100000;
		strncpy(path_inq->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(path_inq->hba_vid, "3ware", HBA_IDLEN);
		strncpy(path_inq->dev_name, cam_sim_name(sim), DEV_IDLEN);
		ccb_h->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}

	default:
		twa_dbg_dprint(3, sc, "func_code = %x", ccb_h->func_code);
		ccb_h->status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#20
0
/*
 * Function name:	twa_action
 * Description:		Driver entry point for CAM's use.
 *
 * Input:		sim	-- sim corresponding to the ctlr
 *			ccb	-- ptr to CAM request
 * Output:		None
 * Return value:	None
 */
TW_VOID
twa_action(struct cam_sim *sim, union ccb *ccb)
{
	struct twa_softc	*sc = (struct twa_softc *)cam_sim_softc(sim);
	struct ccb_hdr		*ccb_h = &(ccb->ccb_h);

	switch (ccb_h->func_code) {
	case XPT_SCSI_IO:	/* SCSI I/O */
	{
		struct tw_osli_req_context	*req;

		req = tw_osli_get_request(sc);
		if (req == NULL) {
			tw_osli_dbg_dprintf(2, sc, "Cannot get request pkt.");
			/*
			 * Freeze the simq to maintain ccb ordering.  The next
			 * ccb that gets completed will unfreeze the simq.
			 */
			ccb_h->status &= ~CAM_SIM_QUEUED;
			ccb_h->status |= CAM_REQUEUE_REQ;
			xpt_done(ccb);
			break;
		}

		if ((tw_cl_is_reset_needed(&(req->ctlr->ctlr_handle)))) {
			ccb_h->status &= ~CAM_SIM_QUEUED;
			ccb_h->status |= CAM_REQUEUE_REQ;
			xpt_done(ccb);
			tw_osli_req_q_insert_tail(req, TW_OSLI_FREE_Q);
			break;
		}

		req->req_handle.osl_req_ctxt = req;
		req->req_handle.is_io = TW_CL_TRUE;
		req->orig_req = ccb;
		if (tw_osli_execute_scsi(req, ccb))
			tw_osli_req_q_insert_tail(req, TW_OSLI_FREE_Q);
		break;
	}

	case XPT_ABORT:
		tw_osli_dbg_dprintf(2, sc, "Abort request.");
		ccb_h->status = CAM_UA_ABORT;
		xpt_done(ccb);
		break;

	case XPT_RESET_BUS:
		tw_cl_create_event(&(sc->ctlr_handle), TW_CL_FALSE,
			TW_CL_MESSAGE_SOURCE_FREEBSD_DRIVER,
			0x2108, 0x3, TW_CL_SEVERITY_INFO_STRING,
			"Received Reset Bus request from CAM",
			" ");

		tw_cl_set_reset_needed(&(sc->ctlr_handle));
		ccb_h->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;

	case XPT_SET_TRAN_SETTINGS:
		tw_osli_dbg_dprintf(3, sc, "XPT_SET_TRAN_SETTINGS");

		/*
		 * This command is not supported, since it's very specific
		 * to SCSI, and we are doing ATA.
		 */
  		ccb_h->status = CAM_FUNC_NOTAVAIL;
  		xpt_done(ccb);
  		break;

	case XPT_GET_TRAN_SETTINGS: 
	{
		struct ccb_trans_settings	*cts = &ccb->cts;
		struct ccb_trans_settings_scsi *scsi =
		    &cts->proto_specific.scsi;
		struct ccb_trans_settings_spi *spi =
		    &cts->xport_specific.spi;

		cts->protocol = PROTO_SCSI;
		cts->protocol_version = SCSI_REV_2;
		cts->transport = XPORT_SPI;
		cts->transport_version = 2;

		spi->valid = CTS_SPI_VALID_DISC;
		spi->flags = CTS_SPI_FLAGS_DISC_ENB;
		scsi->valid = CTS_SCSI_VALID_TQ;
		scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
		tw_osli_dbg_dprintf(3, sc, "XPT_GET_TRAN_SETTINGS");
		ccb_h->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}

	case XPT_CALC_GEOMETRY:
		tw_osli_dbg_dprintf(3, sc, "XPT_CALC_GEOMETRY");
		cam_calc_geometry(&ccb->ccg, 1/* extended */);
		xpt_done(ccb);
		break;

	case XPT_PATH_INQ:    /* Path inquiry -- get twa properties */
	{
		struct ccb_pathinq	*path_inq = &ccb->cpi;

		tw_osli_dbg_dprintf(3, sc, "XPT_PATH_INQ request");

		path_inq->version_num = 1;
		path_inq->hba_inquiry = 0;
		path_inq->target_sprt = 0;
		path_inq->hba_misc = 0;
		path_inq->hba_eng_cnt = 0;
		path_inq->max_target = TW_CL_MAX_NUM_UNITS;
		path_inq->max_lun = TW_CL_MAX_NUM_LUNS - 1;
		path_inq->unit_number = cam_sim_unit(sim);
		path_inq->bus_id = cam_sim_bus(sim);
		path_inq->initiator_id = TW_CL_MAX_NUM_UNITS;
		path_inq->base_transfer_speed = 100000;
		strlcpy(path_inq->sim_vid, "FreeBSD", SIM_IDLEN);
		strlcpy(path_inq->hba_vid, "3ware", HBA_IDLEN);
		strlcpy(path_inq->dev_name, cam_sim_name(sim), DEV_IDLEN);
		path_inq->transport = XPORT_SPI;
		path_inq->transport_version = 2;
		path_inq->protocol = PROTO_SCSI;
		path_inq->protocol_version = SCSI_REV_2;
		path_inq->maxio = TW_CL_MAX_IO_SIZE;
		ccb_h->status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}

	default:
		tw_osli_dbg_dprintf(3, sc, "func_code = %x", ccb_h->func_code);
		ccb_h->status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#21
0
void isci_action(struct cam_sim *sim, union ccb *ccb)
{
	struct ISCI_CONTROLLER *controller =
	    (struct ISCI_CONTROLLER *)cam_sim_softc(sim);

	switch ( ccb->ccb_h.func_code ) {
	case XPT_PATH_INQ:
		{
			struct ccb_pathinq *cpi = &ccb->cpi;
			int bus = cam_sim_bus(sim);
			ccb->ccb_h.ccb_sim_ptr = sim;
			cpi->version_num = 1;
			cpi->hba_inquiry = PI_TAG_ABLE;
			cpi->target_sprt = 0;
			cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN;
			cpi->hba_eng_cnt = 0;
			cpi->max_target = SCI_MAX_REMOTE_DEVICES - 1;
			cpi->max_lun = ISCI_MAX_LUN;
#if __FreeBSD_version >= 800102
			cpi->maxio = isci_io_request_get_max_io_size();
#endif
			cpi->unit_number = cam_sim_unit(sim);
			cpi->bus_id = bus;
			cpi->initiator_id = SCI_MAX_REMOTE_DEVICES;
			cpi->base_transfer_speed = 300000;
			strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
			strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
			strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
			cpi->transport = XPORT_SAS;
			cpi->transport_version = 0;
			cpi->protocol = PROTO_SCSI;
			cpi->protocol_version = SCSI_REV_SPC2;
			cpi->ccb_h.status = CAM_REQ_CMP;
			xpt_done(ccb);
		}
		break;
	case XPT_GET_TRAN_SETTINGS:
		{
			struct ccb_trans_settings *general_settings = &ccb->cts;
			struct ccb_trans_settings_sas *sas_settings =
			    &general_settings->xport_specific.sas;
			struct ccb_trans_settings_scsi *scsi_settings =
			    &general_settings->proto_specific.scsi;
			struct ISCI_REMOTE_DEVICE *remote_device;

			remote_device = controller->remote_device[ccb->ccb_h.target_id];

			if (remote_device == NULL) {
				ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
				ccb->ccb_h.status &= ~CAM_STATUS_MASK;
				ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
				xpt_done(ccb);
				break;
			}

			general_settings->protocol = PROTO_SCSI;
			general_settings->transport = XPORT_SAS;
			general_settings->protocol_version = SCSI_REV_SPC2;
			general_settings->transport_version = 0;
			scsi_settings->valid = CTS_SCSI_VALID_TQ;
			scsi_settings->flags = CTS_SCSI_FLAGS_TAG_ENB;
			ccb->ccb_h.status &= ~CAM_STATUS_MASK;
			ccb->ccb_h.status |= CAM_REQ_CMP;

			sas_settings->bitrate =
			    isci_remote_device_get_bitrate(remote_device);

			if (sas_settings->bitrate != 0)
				sas_settings->valid = CTS_SAS_VALID_SPEED;

			xpt_done(ccb);
		}
		break;
	case XPT_SCSI_IO:
		isci_io_request_execute_scsi_io(ccb, controller);
		break;
#if __FreeBSD_version >= 900026
	case XPT_SMP_IO:
		isci_io_request_execute_smp_io(ccb, controller);
		break;
#endif
	case XPT_SET_TRAN_SETTINGS:
		ccb->ccb_h.status &= ~CAM_STATUS_MASK;
		ccb->ccb_h.status |= CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	case XPT_CALC_GEOMETRY:
		cam_calc_geometry(&ccb->ccg, /*extended*/1);
		xpt_done(ccb);
		break;
	case XPT_RESET_DEV:
		{
			struct ISCI_REMOTE_DEVICE *remote_device =
			    controller->remote_device[ccb->ccb_h.target_id];

			if (remote_device != NULL)
				isci_remote_device_reset(remote_device, ccb);
			else {
				ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
				ccb->ccb_h.status &= ~CAM_STATUS_MASK;
				ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
				xpt_done(ccb);
			}
		}
		break;
	case XPT_RESET_BUS:
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	default:
		isci_log_message(0, "ISCI", "Unhandled func_code 0x%x\n",
		    ccb->ccb_h.func_code);
		ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
		ccb->ccb_h.status &= ~CAM_STATUS_MASK;
		ccb->ccb_h.status |= CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#22
0
static void
ahaaction(struct cam_sim *sim, union ccb *ccb)
{
	struct	aha_softc *aha;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahaaction\n"));

	aha = (struct aha_softc *)cam_sim_softc(sim);
	mtx_assert(&aha->lock, MA_OWNED);

	switch (ccb->ccb_h.func_code) {
	/* Common cases first */
	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
	case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */	{
		struct	aha_ccb	*accb;
		struct	aha_hccb *hccb;

		/*
		 * Get an accb to use.
		 */
		if ((accb = ahagetccb(aha)) == NULL) {
			aha->resource_shortage = TRUE;
			xpt_freeze_simq(aha->sim, /*count*/1);
			ccb->ccb_h.status = CAM_REQUEUE_REQ;
			xpt_done(ccb);
			return;
		}
		hccb = &accb->hccb;

		/*
		 * So we can find the ACCB when an abort is requested
		 */
		accb->ccb = ccb;
		ccb->ccb_h.ccb_accb_ptr = accb;
		ccb->ccb_h.ccb_aha_ptr = aha;

		/*
		 * Put all the arguments for the xfer in the accb
		 */
		hccb->target = ccb->ccb_h.target_id;
		hccb->lun = ccb->ccb_h.target_lun;
		hccb->ahastat = 0;
		hccb->sdstat = 0;

		if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
			struct ccb_scsiio *csio;
			struct ccb_hdr *ccbh;
			int error;

			csio = &ccb->csio;
			ccbh = &csio->ccb_h;
			hccb->opcode = aha->ccb_ccb_opcode;
			hccb->datain = (ccb->ccb_h.flags & CAM_DIR_IN) != 0;
			hccb->dataout = (ccb->ccb_h.flags & CAM_DIR_OUT) != 0;
			hccb->cmd_len = csio->cdb_len;
			if (hccb->cmd_len > sizeof(hccb->scsi_cdb)) {
				ccb->ccb_h.status = CAM_REQ_INVALID;
				ahafreeccb(aha, accb);
				xpt_done(ccb);
				return;
			}
			hccb->sense_len = csio->sense_len;
			if ((ccbh->flags & CAM_CDB_POINTER) != 0) {
				if ((ccbh->flags & CAM_CDB_PHYS) == 0) {
					bcopy(csio->cdb_io.cdb_ptr,
					      hccb->scsi_cdb, hccb->cmd_len);
				} else {
					/* I guess I could map it in... */
					ccbh->status = CAM_REQ_INVALID;
					ahafreeccb(aha, accb);
					xpt_done(ccb);
					return;
				}
			} else {
				bcopy(csio->cdb_io.cdb_bytes,
				      hccb->scsi_cdb, hccb->cmd_len);
			}
			/*
			 * If we have any data to send with this command,
			 * map it into bus space.
			 */

			error = bus_dmamap_load_ccb(
			    aha->buffer_dmat,
			    accb->dmamap,
			    ccb,
			    ahaexecuteccb,
			    accb,
			    /*flags*/0);
			if (error == EINPROGRESS) {
				/*
				 * So as to maintain ordering, freeze the
				 * controller queue until our mapping is
				 * returned.
				 */
				xpt_freeze_simq(aha->sim, 1);
				csio->ccb_h.status |= CAM_RELEASE_SIMQ;
			}
		} else {
			hccb->opcode = INITIATOR_BUS_DEV_RESET;
			/* No data transfer */
			hccb->datain = TRUE;
			hccb->dataout = TRUE;
			hccb->cmd_len = 0;
			hccb->sense_len = 0;
			ahaexecuteccb(accb, NULL, 0, 0);
		}
		break;
	}
	case XPT_ABORT:			/* Abort the specified CCB */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	case XPT_SET_TRAN_SETTINGS:
		/* XXX Implement */
		ccb->ccb_h.status = CAM_PROVIDE_FAIL;
		xpt_done(ccb);
		break;
	case XPT_GET_TRAN_SETTINGS:
	/* Get default/user set transfer settings for the target */
	{
		struct	ccb_trans_settings *cts = &ccb->cts;
		u_int	target_mask = 0x01 << ccb->ccb_h.target_id;
		struct ccb_trans_settings_scsi *scsi =
		    &cts->proto_specific.scsi;
		struct ccb_trans_settings_spi *spi =
		    &cts->xport_specific.spi;

		cts->protocol = PROTO_SCSI;
		cts->protocol_version = SCSI_REV_2;
		cts->transport = XPORT_SPI;
		cts->transport_version = 2;
		if (cts->type == CTS_TYPE_USER_SETTINGS) {
			spi->flags = 0;
			if ((aha->disc_permitted & target_mask) != 0)
				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
			if ((aha->sync_permitted & target_mask) != 0) {
				if (aha->boardid >= BOARD_1542CF)
					spi->sync_period = 25;
				else
					spi->sync_period = 50;
			} else {
				spi->sync_period = 0;
			}

			if (spi->sync_period != 0)
				spi->sync_offset = 15;

			spi->valid = CTS_SPI_VALID_SYNC_RATE
				   | CTS_SPI_VALID_SYNC_OFFSET
				   | CTS_SPI_VALID_BUS_WIDTH
				   | CTS_SPI_VALID_DISC;
			scsi->valid = CTS_SCSI_VALID_TQ;
		} else {
			ahafetchtransinfo(aha, cts);
		}

		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_CALC_GEOMETRY:
	{
		struct	  ccb_calc_geometry *ccg;
		uint32_t size_mb;
		uint32_t secs_per_cylinder;

		ccg = &ccb->ccg;
		size_mb = ccg->volume_size
			/ ((1024L * 1024L) / ccg->block_size);
		if (size_mb >= 1024 && (aha->extended_trans != 0)) {
			if (size_mb >= 2048) {
				ccg->heads = 255;
				ccg->secs_per_track = 63;
			} else {
				ccg->heads = 128;
				ccg->secs_per_track = 32;
			}
		} else {
			ccg->heads = 64;
			ccg->secs_per_track = 32;
		}
		secs_per_cylinder = ccg->heads * ccg->secs_per_track;
		ccg->cylinders = ccg->volume_size / secs_per_cylinder;
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_RESET_BUS:		/* Reset the specified SCSI bus */
		ahareset(aha, /*hardreset*/TRUE);
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	case XPT_TERM_IO:		/* Terminate the I/O process */
		/* XXX Implement */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		cpi->version_num = 1; /* XXX??? */
		cpi->hba_inquiry = PI_SDTR_ABLE;
		cpi->target_sprt = 0;
		cpi->hba_misc = 0;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = 7;
		cpi->max_lun = 7;
		cpi->initiator_id = aha->scsi_id;
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 3300;
		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->transport = XPORT_SPI;
		cpi->transport_version = 2;
		cpi->protocol = PROTO_SCSI;
		cpi->protocol_version = SCSI_REV_2;
		cpi->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#23
0
static void
wds_action(struct cam_sim * sim, union ccb * ccb)
{
	int	unit = cam_sim_unit(sim);
	int	s;

	DBG(DBX "wds%d: action 0x%x\n", unit, ccb->ccb_h.func_code);
	switch (ccb->ccb_h.func_code) {
	case XPT_SCSI_IO:
		s = splcam();
		DBG(DBX "wds%d: SCSI IO entered\n", unit);
		wds_scsi_io(sim, &ccb->csio);
		DBG(DBX "wds%d: SCSI IO returned\n", unit);
		splx(s);
		break;
	case XPT_RESET_BUS:
		/* how to do it right ? */
		printf("wds%d: reset\n", unit);
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	case XPT_ABORT:
		ccb->ccb_h.status = CAM_UA_ABORT;
		xpt_done(ccb);
		break;
	case XPT_CALC_GEOMETRY:
	{
		struct	  ccb_calc_geometry *ccg;
		u_int32_t size_mb;
		u_int32_t secs_per_cylinder;

		ccg = &ccb->ccg;
		size_mb = ccg->volume_size
			/ ((1024L * 1024L) / ccg->block_size);

		ccg->heads = 64;
		ccg->secs_per_track = 16;
		secs_per_cylinder = ccg->heads * ccg->secs_per_track;
		ccg->cylinders = ccg->volume_size / secs_per_cylinder;
		ccb->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	case XPT_PATH_INQ:	/* Path routing inquiry */
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		cpi->version_num = 1;	/* XXX??? */
		cpi->hba_inquiry = 0;	/* nothing fancy */
		cpi->target_sprt = 0;
		cpi->hba_misc = 0;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = 7;
		cpi->max_lun = 7;
		cpi->initiator_id = WDS_HBA_ID;
		cpi->hba_misc = 0;
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = 3300;
		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "WD/FDC", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->ccb_h.status = CAM_REQ_CMP;
		xpt_done(ccb);
		break;
	}
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		xpt_done(ccb);
		break;
	}
}
示例#24
0
static void
nvme_sim_action(struct cam_sim *sim, union ccb *ccb)
{
	struct nvme_controller *ctrlr;

	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
	    ("nvme_sim_action: func= %#x\n",
		ccb->ccb_h.func_code));

	ctrlr = sim2ctrlr(sim);

	mtx_assert(&ctrlr->lock, MA_OWNED);

	switch (ccb->ccb_h.func_code) {
	case XPT_CALC_GEOMETRY:		/* Calculate Geometry Totally nuts ? XXX */
		/* 
		 * Only meaningful for old-school SCSI disks since only the SCSI
		 * da driver generates them. Reject all these that slip through.
		 */
		/*FALLTHROUGH*/
	case XPT_ABORT:			/* Abort the specified CCB */
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	case XPT_SET_TRAN_SETTINGS:
		/*
		 * NVMe doesn't really have different transfer settings, but
		 * other parts of CAM think failure here is a big deal.
		 */
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_PATH_INQ:		/* Path routing inquiry */
	{
		struct ccb_pathinq	*cpi = &ccb->cpi;
		device_t		dev = ctrlr->dev;

		/*
		 * NVMe may have multiple LUNs on the same path. Current generation
		 * of NVMe devives support only a single name space. Multiple name
		 * space drives are coming, but it's unclear how we should report
		 * them up the stack.
		 */
		cpi->version_num = 1;
		cpi->hba_inquiry = 0;
		cpi->target_sprt = 0;
		cpi->hba_misc =  PIM_UNMAPPED | PIM_NOSCAN;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = 0;
		cpi->max_lun = ctrlr->cdata.nn;
		cpi->maxio = ctrlr->max_xfer_size;
		cpi->initiator_id = 0;
		cpi->bus_id = cam_sim_bus(sim);
		cpi->base_transfer_speed = nvme_link_kBps(ctrlr);
		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strlcpy(cpi->hba_vid, "NVMe", HBA_IDLEN);
		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->unit_number = cam_sim_unit(sim);
		cpi->transport = XPORT_NVME;		/* XXX XPORT_PCIE ? */
		cpi->transport_version = nvme_mmio_read_4(ctrlr, vs);
		cpi->protocol = PROTO_NVME;
		cpi->protocol_version = nvme_mmio_read_4(ctrlr, vs);
		cpi->xport_specific.nvme.nsid = xpt_path_lun_id(ccb->ccb_h.path);
		cpi->xport_specific.nvme.domain = pci_get_domain(dev);
		cpi->xport_specific.nvme.bus = pci_get_bus(dev);
		cpi->xport_specific.nvme.slot = pci_get_slot(dev);
		cpi->xport_specific.nvme.function = pci_get_function(dev);
		cpi->xport_specific.nvme.extra = 0;
		cpi->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_GET_TRAN_SETTINGS:	/* Get transport settings */
	{
		struct ccb_trans_settings	*cts;
		struct ccb_trans_settings_nvme	*nvmep;
		struct ccb_trans_settings_nvme	*nvmex;
		device_t dev;
		uint32_t status, caps;

		dev = ctrlr->dev;
		cts = &ccb->cts;
		nvmex = &cts->xport_specific.nvme;
		nvmep = &cts->proto_specific.nvme;

		status = pcie_read_config(dev, PCIER_LINK_STA, 2);
		caps = pcie_read_config(dev, PCIER_LINK_CAP, 2);
		nvmex->valid = CTS_NVME_VALID_SPEC | CTS_NVME_VALID_LINK;
		nvmex->spec = nvme_mmio_read_4(ctrlr, vs);
		nvmex->speed = status & PCIEM_LINK_STA_SPEED;
		nvmex->lanes = (status & PCIEM_LINK_STA_WIDTH) >> 4;
		nvmex->max_speed = caps & PCIEM_LINK_CAP_MAX_SPEED;
		nvmex->max_lanes = (caps & PCIEM_LINK_CAP_MAX_WIDTH) >> 4;

		/* XXX these should be something else maybe ? */
		nvmep->valid = 1;
		nvmep->spec = nvmex->spec;

		cts->transport = XPORT_NVME;
		cts->protocol = PROTO_NVME;
		cts->ccb_h.status = CAM_REQ_CMP;
		break;
	}
	case XPT_TERM_IO:		/* Terminate the I/O process */
		/*
		 * every driver handles this, but nothing generates it. Assume
		 * it's OK to just say 'that worked'.
		 */
		/*FALLTHROUGH*/
	case XPT_RESET_DEV:		/* Bus Device Reset the specified device */
	case XPT_RESET_BUS:		/* Reset the specified bus */
		/*
		 * NVMe doesn't really support physically resetting the bus. It's part
		 * of the bus scanning dance, so return sucess to tell the process to
		 * proceed.
		 */
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;
	case XPT_NVME_IO:		/* Execute the requested I/O operation */
	case XPT_NVME_ADMIN:		/* or Admin operation */
		nvme_sim_nvmeio(sim, ccb);
		return;			/* no done */
	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	}
	xpt_done(ccb);
}
示例#25
0
static void hpt_action(struct cam_sim *sim, union ccb *ccb)
{
	PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);

	KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));

	hpt_assert_vbus_locked(vbus_ext);
	switch (ccb->ccb_h.func_code) {
	
	case XPT_SCSI_IO:
		hpt_scsi_io(vbus_ext, ccb);
		return;

	case XPT_RESET_BUS:
		ldm_reset_vbus((PVBUS)vbus_ext->vbus);
		break;

	case XPT_GET_TRAN_SETTINGS:
	case XPT_SET_TRAN_SETTINGS:
		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
		break;

	case XPT_CALC_GEOMETRY:
		ccb->ccg.heads = 255;
		ccb->ccg.secs_per_track = 63;
		ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
		ccb->ccb_h.status = CAM_REQ_CMP;
		break;

	case XPT_PATH_INQ:
	{
		struct ccb_pathinq *cpi = &ccb->cpi;

		cpi->version_num = 1;
		cpi->hba_inquiry = PI_SDTR_ABLE;
		cpi->target_sprt = 0;
		cpi->hba_misc = PIM_NOBUSRESET;
		cpi->hba_eng_cnt = 0;
		cpi->max_target = osm_max_targets;
		cpi->max_lun = 0;
		cpi->unit_number = cam_sim_unit(sim);
		cpi->bus_id = cam_sim_bus(sim);
		cpi->initiator_id = osm_max_targets;
		cpi->base_transfer_speed = 3300;

		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
		strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
		cpi->transport = XPORT_SPI;
		cpi->transport_version = 2;
		cpi->protocol = PROTO_SCSI;
		cpi->protocol_version = SCSI_REV_2;
		cpi->ccb_h.status = CAM_REQ_CMP;
		break;
	}

	default:
		ccb->ccb_h.status = CAM_REQ_INVALID;
		break;
	}

	xpt_done(ccb);
	return;
}
示例#26
0
/********************************************************************************
 * Handle an action requested by CAM
 */
static void
mly_cam_action(struct cam_sim *sim, union ccb *ccb)
{
    struct mly_softc	*sc = cam_sim_softc(sim);

    debug_called(2);

    switch (ccb->ccb_h.func_code) {

	/* perform SCSI I/O */
    case XPT_SCSI_IO:
    {
	struct ccb_scsiio	*csio = &ccb->csio;
	int			bus, target;

	bus = cam_sim_bus(sim);
	target = csio->ccb_h.target_id;

	debug(2, "XPT_SCSI_IO %d:%d:%d", bus, target, ccb->ccb_h.target_lun);

	/*  check for I/O attempt to a protected device */
	if (sc->mly_btl[bus][target].mb_flags & MLY_BTL_PROTECTED) {
	    debug(2, "  device protected");
	    csio->ccb_h.status = CAM_REQ_CMP_ERR;
	}

	/* check for I/O attempt to nonexistent device */
	if (!(sc->mly_btl[bus][target].mb_flags & (MLY_BTL_LOGICAL | MLY_BTL_PHYSICAL))) {
	    debug(2, "  device does not exist");
	    csio->ccb_h.status = CAM_REQ_CMP_ERR;
	}

	/* XXX increase if/when we support large SCSI commands */
	if (csio->cdb_len > MLY_CMD_SCSI_SMALL_CDB) {
	    debug(2, "  command too large (%d > %d)", csio->cdb_len, MLY_CMD_SCSI_SMALL_CDB);
	    csio->ccb_h.status = CAM_REQ_CMP_ERR;
	}

        /* check that the CDB pointer is not to a physical address */
        if ((csio->ccb_h.flags & CAM_CDB_POINTER) && (csio->ccb_h.flags & CAM_CDB_PHYS)) {
	    debug(2, "  CDB pointer is to physical address");
            csio->ccb_h.status = CAM_REQ_CMP_ERR;
	}

        /* if there is data transfer, it must be to/from a virtual address */
        if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
            if (csio->ccb_h.flags & CAM_DATA_PHYS) {		/* we can't map it */
		debug(2, "  data pointer is to physical address");
                csio->ccb_h.status = CAM_REQ_CMP_ERR;
	    }
            if (csio->ccb_h.flags & CAM_SCATTER_VALID) {	/* we want to do the s/g setup */
		debug(2, "  data has premature s/g setup");
                csio->ccb_h.status = CAM_REQ_CMP_ERR;
	    }
        }

	/* abandon aborted ccbs or those that have failed validation */
	if ((csio->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
	    debug(2, "abandoning CCB due to abort/validation failure");
	    break;
	}

	/* save the channel number in the ccb */
	csio->ccb_h.sim_priv.entries[0].field = bus;

	/* enqueue the ccb and start I/O */
	mly_enqueue_ccb(sc, ccb);
	mly_startio(sc);
	return;
    }

	/* perform geometry calculations */
    case XPT_CALC_GEOMETRY:
    {
	struct ccb_calc_geometry	*ccg = &ccb->ccg;
        u_int32_t			secs_per_cylinder;

	debug(2, "XPT_CALC_GEOMETRY %d:%d:%d", cam_sim_bus(sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun);

	if (sc->mly_controllerparam->bios_geometry == MLY_BIOSGEOM_8G) {
	    ccg->heads = 255;
            ccg->secs_per_track = 63;
	} else {				/* MLY_BIOSGEOM_2G */
	    ccg->heads = 128;
            ccg->secs_per_track = 32;
	}
	secs_per_cylinder = ccg->heads * ccg->secs_per_track;
        ccg->cylinders = ccg->volume_size / secs_per_cylinder;
        ccb->ccb_h.status = CAM_REQ_CMP;
        break;
    }

	/* handle path attribute inquiry */
    case XPT_PATH_INQ:
    {
	struct ccb_pathinq	*cpi = &ccb->cpi;

	debug(2, "XPT_PATH_INQ %d:%d:%d", cam_sim_bus(sim), ccb->ccb_h.target_id, ccb->ccb_h.target_lun);

	cpi->version_num = 1;
	cpi->hba_inquiry = PI_TAG_ABLE;		/* XXX extra flags for physical channels? */
	cpi->target_sprt = 0;
	cpi->hba_misc = 0;
	cpi->max_target = MLY_MAX_TARGETS - 1;
	cpi->max_lun = MLY_MAX_LUNS - 1;
	cpi->initiator_id = sc->mly_controllerparam->initiator_id;
	strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
        strncpy(cpi->hba_vid, "BSDi", HBA_IDLEN);
        strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
        cpi->unit_number = cam_sim_unit(sim);
        cpi->bus_id = cam_sim_bus(sim);
	cpi->base_transfer_speed = 132 * 1024;	/* XXX what to set this to? */
	ccb->ccb_h.status = CAM_REQ_CMP;
	break;
    }

    default:		/* we can't do this */
	debug(2, "unspported func_code = 0x%x", ccb->ccb_h.func_code);
	ccb->ccb_h.status = CAM_REQ_INVALID;
	break;
    }

    xpt_done(ccb);
}