diff options
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.c | 575 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.h | 15 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_proc.c | 21 |
3 files changed, 218 insertions, 393 deletions
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index c13e5632001..57d22c4f008 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -122,8 +122,6 @@ #include "aic7xxx_osm.h" #include "aic7xxx_inline.h" #include <scsi/scsicam.h> -#include <scsi/scsi_transport.h> -#include <scsi/scsi_transport_spi.h> static struct scsi_transport_template *ahc_linux_transport_template = NULL; @@ -423,7 +421,7 @@ MODULE_PARM_DESC(aic7xxx, ); static void ahc_linux_handle_scsi_status(struct ahc_softc *, - struct ahc_linux_device *, + struct scsi_device *, struct scb *); static void ahc_linux_queue_cmd_complete(struct ahc_softc *ahc, struct scsi_cmnd *cmd); @@ -434,17 +432,7 @@ static int ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag); static void ahc_linux_initialize_scsi_bus(struct ahc_softc *ahc); static u_int ahc_linux_user_tagdepth(struct ahc_softc *ahc, struct ahc_devinfo *devinfo); -static void ahc_linux_device_queue_depth(struct ahc_softc *ahc, - struct ahc_linux_device *dev); -static struct ahc_linux_target* ahc_linux_alloc_target(struct ahc_softc*, - u_int, u_int); -static void ahc_linux_free_target(struct ahc_softc*, - struct ahc_linux_target*); -static struct ahc_linux_device* ahc_linux_alloc_device(struct ahc_softc*, - struct ahc_linux_target*, - u_int); -static void ahc_linux_free_device(struct ahc_softc*, - struct ahc_linux_device*); +static void ahc_linux_device_queue_depth(struct scsi_device *); static int ahc_linux_run_command(struct ahc_softc*, struct ahc_linux_device *, struct scsi_cmnd *); @@ -454,32 +442,12 @@ static int aic7xxx_setup(char *s); static int ahc_linux_next_unit(void); /********************************* Inlines ************************************/ -static __inline struct ahc_linux_device* - ahc_linux_get_device(struct ahc_softc *ahc, u_int channel, - u_int target, u_int lun); static __inline void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*); static __inline int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb, struct ahc_dma_seg *sg, dma_addr_t addr, bus_size_t len); -static __inline struct ahc_linux_device* -ahc_linux_get_device(struct ahc_softc *ahc, u_int channel, u_int target, - u_int lun) -{ - struct ahc_linux_target *targ; - struct ahc_linux_device *dev; - u_int target_offset; - - target_offset = target; - if (channel != 0) - target_offset += 8; - targ = ahc->platform_data->targets[target_offset]; - BUG_ON(targ == NULL); - dev = targ->devices[lun]; - return dev; -} - static __inline void ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb) { @@ -611,7 +579,7 @@ static int ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) { struct ahc_softc *ahc; - struct ahc_linux_device *dev; + struct ahc_linux_device *dev = scsi_transport_device_data(cmd->device); ahc = *(struct ahc_softc **)cmd->device->host->hostdata; @@ -629,132 +597,162 @@ ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) if (ahc->platform_data->qfrozen != 0) return SCSI_MLQUEUE_HOST_BUSY; - dev = ahc_linux_get_device(ahc, cmd->device->channel, cmd->device->id, - cmd->device->lun); - BUG_ON(dev == NULL); - cmd->result = CAM_REQ_INPROG << 16; return ahc_linux_run_command(ahc, dev, cmd); } -static int -ahc_linux_slave_alloc(struct scsi_device *device) +static inline struct scsi_target ** +ahc_linux_target_in_softc(struct scsi_target *starget) { - struct ahc_softc *ahc; - struct ahc_linux_target *targ; - struct scsi_target *starget = device->sdev_target; - struct ahc_linux_device *dev; + struct ahc_softc *ahc = + *((struct ahc_softc **)dev_to_shost(&starget->dev)->hostdata); unsigned int target_offset; + + target_offset = starget->id; + if (starget->channel != 0) + target_offset += 8; + + return &ahc->platform_data->starget[target_offset]; +} + +static int +ahc_linux_target_alloc(struct scsi_target *starget) +{ + struct ahc_softc *ahc = + *((struct ahc_softc **)dev_to_shost(&starget->dev)->hostdata); + struct seeprom_config *sc = ahc->seep_config; unsigned long flags; - int retval = -ENOMEM; + struct scsi_target **ahc_targp = ahc_linux_target_in_softc(starget); + struct ahc_linux_target *targ = scsi_transport_target_data(starget); + unsigned short scsirate; + struct ahc_devinfo devinfo; + struct ahc_initiator_tinfo *tinfo; + struct ahc_tmode_tstate *tstate; + char channel = starget->channel + 'A'; + unsigned int our_id = ahc->our_id; + unsigned int target_offset; target_offset = starget->id; if (starget->channel != 0) target_offset += 8; + + if (starget->channel) + our_id = ahc->our_id_b; - ahc = *((struct ahc_softc **)device->host->hostdata); - if (bootverbose) - printf("%s: Slave Alloc %d\n", ahc_name(ahc), device->id); ahc_lock(ahc, &flags); - targ = ahc->platform_data->targets[target_offset]; - if (targ == NULL) { - struct seeprom_config *sc; - - targ = ahc_linux_alloc_target(ahc, starget->channel, - starget->id); - sc = ahc->seep_config; - if (targ == NULL) - goto out; - if (sc) { - unsigned short scsirate; - struct ahc_devinfo devinfo; - struct ahc_initiator_tinfo *tinfo; - struct ahc_tmode_tstate *tstate; - char channel = starget->channel + 'A'; - unsigned int our_id = ahc->our_id; + BUG_ON(*ahc_targp != NULL); - if (starget->channel) - our_id = ahc->our_id_b; + *ahc_targp = starget; + memset(targ, 0, sizeof(*targ)); - if ((ahc->features & AHC_ULTRA2) != 0) { - scsirate = sc->device_flags[target_offset] & CFXFER; - } else { - scsirate = (sc->device_flags[target_offset] & CFXFER) << 4; - if (sc->device_flags[target_offset] & CFSYNCH) - scsirate |= SOFS; - } - if (sc->device_flags[target_offset] & CFWIDEB) { - scsirate |= WIDEXFER; - spi_max_width(starget) = 1; - } else - spi_max_width(starget) = 0; - spi_min_period(starget) = - ahc_find_period(ahc, scsirate, AHC_SYNCRATE_DT); - tinfo = ahc_fetch_transinfo(ahc, channel, ahc->our_id, - targ->target, &tstate); - ahc_compile_devinfo(&devinfo, our_id, targ->target, - CAM_LUN_WILDCARD, channel, - ROLE_INITIATOR); - ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0, - AHC_TRANS_GOAL, /*paused*/FALSE); - ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, - AHC_TRANS_GOAL, /*paused*/FALSE); + if (sc) { + if ((ahc->features & AHC_ULTRA2) != 0) { + scsirate = sc->device_flags[target_offset] & CFXFER; + } else { + scsirate = (sc->device_flags[target_offset] & CFXFER) << 4; + if (sc->device_flags[target_offset] & CFSYNCH) + scsirate |= SOFS; } - - } - dev = targ->devices[device->lun]; - if (dev == NULL) { - dev = ahc_linux_alloc_device(ahc, targ, device->lun); - if (dev == NULL) - goto out; + if (sc->device_flags[target_offset] & CFWIDEB) { + scsirate |= WIDEXFER; + spi_max_width(starget) = 1; + } else + spi_max_width(starget) = 0; + spi_min_period(starget) = + ahc_find_period(ahc, scsirate, AHC_SYNCRATE_DT); + tinfo = ahc_fetch_transinfo(ahc, channel, ahc->our_id, + starget->id, &tstate); } - retval = 0; - - out: + ahc_compile_devinfo(&devinfo, our_id, starget->id, + CAM_LUN_WILDCARD, channel, + ROLE_INITIATOR); + ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0, + AHC_TRANS_GOAL, /*paused*/FALSE); + ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, + AHC_TRANS_GOAL, /*paused*/FALSE); ahc_unlock(ahc, &flags); - return retval; + + return 0; +} + +static void +ahc_linux_target_destroy(struct scsi_target *starget) +{ + struct scsi_target **ahc_targp = ahc_linux_target_in_softc(starget); + + *ahc_targp = NULL; +} + +static int +ahc_linux_slave_alloc(struct scsi_device *sdev) +{ + struct ahc_softc *ahc = + *((struct ahc_softc **)sdev->host->hostdata); + struct scsi_target *starget = sdev->sdev_target; + struct ahc_linux_target *targ = scsi_transport_target_data(starget); + struct ahc_linux_device *dev; + + if (bootverbose) + printf("%s: Slave Alloc %d\n", ahc_name(ahc), sdev->id); + + BUG_ON(targ->sdev[sdev->lun] != NULL); + + dev = scsi_transport_device_data(sdev); + memset(dev, 0, sizeof(*dev)); + + /* + * We start out life using untagged + * transactions of which we allow one. + */ + dev->openings = 1; + + /* + * Set maxtags to 0. This will be changed if we + * later determine that we are dealing with + * a tagged queuing capable device. + */ + dev->maxtags = 0; + + targ->sdev[sdev->lun] = sdev; + + return 0; } static int -ahc_linux_slave_configure(struct scsi_device *device) +ahc_linux_slave_configure(struct scsi_device *sdev) { struct ahc_softc *ahc; - struct ahc_linux_device *dev; - ahc = *((struct ahc_softc **)device->host->hostdata); + ahc = *((struct ahc_softc **)sdev->host->hostdata); if (bootverbose) - printf("%s: Slave Configure %d\n", ahc_name(ahc), device->id); + printf("%s: Slave Configure %d\n", ahc_name(ahc), sdev->id); - dev = ahc_linux_get_device(ahc, device->channel, device->id, - device->lun); - dev->scsi_device = device; - ahc_linux_device_queue_depth(ahc, dev); + ahc_linux_device_queue_depth(sdev); /* Initial Domain Validation */ - if (!spi_initial_dv(device->sdev_target)) - spi_dv_device(device); + if (!spi_initial_dv(sdev->sdev_target)) + spi_dv_device(sdev); return 0; } static void -ahc_linux_slave_destroy(struct scsi_device *device) +ahc_linux_slave_destroy(struct scsi_device *sdev) { struct ahc_softc *ahc; - struct ahc_linux_device *dev; + struct ahc_linux_device *dev = scsi_transport_device_data(sdev); + struct ahc_linux_target *targ = scsi_transport_target_data(sdev->sdev_target); - ahc = *((struct ahc_softc **)device->host->hostdata); + ahc = *((struct ahc_softc **)sdev->host->hostdata); if (bootverbose) - printf("%s: Slave Destroy %d\n", ahc_name(ahc), device->id); - dev = ahc_linux_get_device(ahc, device->channel, - device->id, device->lun); + printf("%s: Slave Destroy %d\n", ahc_name(ahc), sdev->id); BUG_ON(dev->active); - ahc_linux_free_device(ahc, dev); + targ->sdev[sdev->lun] = NULL; } #if defined(__i386__) @@ -874,6 +872,8 @@ struct scsi_host_template aic7xxx_driver_template = { .slave_alloc = ahc_linux_slave_alloc, .slave_configure = ahc_linux_slave_configure, .slave_destroy = ahc_linux_slave_destroy, + .target_alloc = ahc_linux_target_alloc, + .target_destroy = ahc_linux_target_destroy, }; /**************************** Tasklet Handler *********************************/ @@ -1335,8 +1335,7 @@ ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg) void ahc_platform_free(struct ahc_softc *ahc) { - struct ahc_linux_target *targ; - struct ahc_linux_device *dev; + struct scsi_target *starget; int i, j; if (ahc->platform_data != NULL) { @@ -1347,22 +1346,17 @@ ahc_platform_free(struct ahc_softc *ahc) /* destroy all of the device and target objects */ for (i = 0; i < AHC_NUM_TARGETS; i++) { - targ = ahc->platform_data->targets[i]; - if (targ != NULL) { - /* Keep target around through the loop. */ - targ->refcount++; + starget = ahc->platform_data->starget[i]; + if (starget != NULL) { for (j = 0; j < AHC_NUM_LUNS; j++) { + struct ahc_linux_target *targ = + scsi_transport_target_data(starget); - if (targ->devices[j] == NULL) + if (targ->sdev[j] == NULL) continue; - dev = targ->devices[j]; - ahc_linux_free_device(ahc, dev); + targ->sdev[j] = NULL; } - /* - * Forcibly free the target now that - * all devices are gone. - */ - ahc_linux_free_target(ahc, targ); + ahc->platform_data->starget[i] = NULL; } } @@ -1395,15 +1389,25 @@ void ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, ahc_queue_alg alg) { + struct scsi_target *starget; + struct ahc_linux_target *targ; struct ahc_linux_device *dev; + struct scsi_device *sdev; + u_int target_offset; int was_queuing; int now_queuing; - dev = ahc_linux_get_device(ahc, devinfo->channel - 'A', - devinfo->target, - devinfo->lun); - if (dev == NULL) + target_offset = devinfo->target; + if (devinfo->channel != 'A') + target_offset += 8; + starget = ahc->platform_data->starget[target_offset]; + targ = scsi_transport_target_data(starget); + BUG_ON(targ == NULL); + sdev = targ->sdev[devinfo->lun]; + if (sdev == NULL) return; + dev = scsi_transport_device_data(sdev); + was_queuing = dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED); switch (alg) { default: @@ -1454,30 +1458,28 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, dev->maxtags = 0; dev->openings = 1 - dev->active; } - if (dev->scsi_device != NULL) { - switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) { - case AHC_DEV_Q_BASIC: - scsi_adjust_queue_depth(dev->scsi_device, - MSG_SIMPLE_TASK, - dev->openings + dev->active); - break; - case AHC_DEV_Q_TAGGED: - scsi_adjust_queue_depth(dev->scsi_device, - MSG_ORDERED_TASK, - dev->openings + dev->active); - break; - default: - /* - * We allow the OS to queue 2 untagged transactions to - * us at any time even though we can only execute them - * serially on the controller/device. This should - * remove some latency. - */ - scsi_adjust_queue_depth(dev->scsi_device, - /*NON-TAGGED*/0, - /*queue depth*/2); - break; - } + switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) { + case AHC_DEV_Q_BASIC: + scsi_adjust_queue_depth(sdev, + MSG_SIMPLE_TASK, + dev->openings + dev->active); + break; + case AHC_DEV_Q_TAGGED: + scsi_adjust_queue_depth(sdev, + MSG_ORDERED_TASK, + dev->openings + dev->active); + break; + default: + /* + * We allow the OS to queue 2 untagged transactions to + * us at any time even though we can only execute them + * serially on the controller/device. This should + * remove some latency. + */ + scsi_adjust_queue_depth(sdev, + /*NON-TAGGED*/0, + /*queue depth*/2); + break; } } @@ -1523,22 +1525,20 @@ ahc_linux_user_tagdepth(struct ahc_softc *ahc, struct ahc_devinfo *devinfo) * Determines the queue depth for a given device. */ static void -ahc_linux_device_queue_depth(struct ahc_softc *ahc, - struct ahc_linux_device *dev) +ahc_linux_device_queue_depth(struct scsi_device *sdev) { struct ahc_devinfo devinfo; u_int tags; + struct ahc_softc *ahc = *((struct ahc_softc **)sdev->host->hostdata); ahc_compile_devinfo(&devinfo, - dev->target->channel == 0 + sdev->sdev_target->channel == 0 ? ahc->our_id : ahc->our_id_b, - dev->target->target, dev->lun, - dev->target->channel == 0 ? 'A' : 'B', + sdev->sdev_target->id, sdev->lun, + sdev->sdev_target->channel == 0 ? 'A' : 'B', ROLE_INITIATOR); tags = ahc_linux_user_tagdepth(ahc, &devinfo); - if (tags != 0 - && dev->scsi_device != NULL - && dev->scsi_device->tagged_supported != 0) { + if (tags != 0 && sdev->tagged_supported != 0) { ahc_set_tags(ahc, &devinfo, AHC_QUEUE_TAGGED); ahc_print_devinfo(ahc, &devinfo); @@ -1767,106 +1767,6 @@ ahc_platform_flushwork(struct ahc_softc *ahc) } -static struct ahc_linux_target* -ahc_linux_alloc_target(struct ahc_softc *ahc, u_int channel, u_int target) -{ - struct ahc_linux_target *targ; - u_int target_offset; - - target_offset = target; - if (channel != 0) - target_offset += 8; - - targ = malloc(sizeof(*targ), M_DEVBUG, M_NOWAIT); - if (targ == NULL) - return (NULL); - memset(targ, 0, sizeof(*targ)); - targ->channel = channel; - targ->target = target; - targ->ahc = ahc; - ahc->platform_data->targets[target_offset] = targ; - return (targ); -} - -static void -ahc_linux_free_target(struct ahc_softc *ahc, struct ahc_linux_target *targ) -{ - struct ahc_devinfo devinfo; - struct ahc_initiator_tinfo *tinfo; - struct ahc_tmode_tstate *tstate; - u_int our_id; - u_int target_offset; - char channel; - - /* - * Force a negotiation to async/narrow on any - * future command to this device unless a bus - * reset occurs between now and that command. - */ - channel = 'A' + targ->channel; - our_id = ahc->our_id; - target_offset = targ->target; - if (targ->channel != 0) { - target_offset += 8; - our_id = ahc->our_id_b; - } - tinfo = ahc_fetch_transinfo(ahc, channel, our_id, - targ->target, &tstate); - ahc_compile_devinfo(&devinfo, our_id, targ->target, CAM_LUN_WILDCARD, - channel, ROLE_INITIATOR); - ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0, - AHC_TRANS_GOAL, /*paused*/FALSE); - ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, - AHC_TRANS_GOAL, /*paused*/FALSE); - ahc_update_neg_request(ahc, &devinfo, tstate, tinfo, AHC_NEG_ALWAYS); - ahc->platform_data->targets[target_offset] = NULL; - free(targ, M_DEVBUF); -} - -static struct ahc_linux_device* -ahc_linux_alloc_device(struct ahc_softc *ahc, - struct ahc_linux_target *targ, u_int lun) -{ - struct ahc_linux_device *dev; - - dev = malloc(sizeof(*dev), M_DEVBUG, M_NOWAIT); - if (dev == NULL) - return (NULL); - memset(dev, 0, sizeof(*dev)); - dev->lun = lun; - dev->target = targ; - - /* - * We start out life using untagged - * transactions of which we allow one. - */ - dev->openings = 1; - - /* - * Set maxtags to 0. This will be changed if we - * later determine that we are dealing with - * a tagged queuing capable device. - */ - dev->maxtags = 0; - - targ->refcount++; - targ->devices[lun] = dev; - return (dev); -} - -static void -ahc_linux_free_device(struct ahc_softc *ahc, struct ahc_linux_device *dev) -{ - struct ahc_linux_target *targ; - - targ = dev->target; - targ->devices[dev->lun] = NULL; - free(dev, M_DEVBUF); - targ->refcount--; - if (targ->refcount == 0) - ahc_linux_free_target(ahc, targ); -} - void ahc_send_async(struct ahc_softc *ahc, char channel, u_int target, u_int lun, ac_code code, void *arg) @@ -1875,11 +1775,15 @@ ahc_send_async(struct ahc_softc *ahc, char channel, case AC_TRANSFER_NEG: { char buf[80]; + struct scsi_target *starget; struct ahc_linux_target *targ; struct info_str info; struct ahc_initiator_tinfo *tinfo; struct ahc_tmode_tstate *tstate; int target_offset; + unsigned int target_ppr_options; + + BUG_ON(target == CAM_TARGET_WILDCARD); info.buffer = buf; info.length = sizeof(buf); @@ -1908,32 +1812,30 @@ ahc_send_async(struct ahc_softc *ahc, char channel, target_offset = target; if (channel == 'B') target_offset += 8; - targ = ahc->platform_data->targets[target_offset]; + starget = ahc->platform_data->starget[target_offset]; + targ = scsi_transport_target_data(starget); if (targ == NULL) break; - if (tinfo->curr.period == targ->last_tinfo.period - && tinfo->curr.width == targ->last_tinfo.width - && tinfo->curr.offset == targ->last_tinfo.offset - && tinfo->curr.ppr_options == targ->last_tinfo.ppr_options) + + target_ppr_options = + (spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0) + + (spi_qas(starget) ? MSG_EXT_PPR_QAS_REQ : 0) + + (spi_iu(starget) ? MSG_EXT_PPR_IU_REQ : 0); + + if (tinfo->curr.period == spi_period(starget) + && tinfo->curr.width == spi_width(starget) + && tinfo->curr.offset == spi_offset(starget) + && tinfo->curr.ppr_options == target_ppr_options) if (bootverbose == 0) break; - targ->last_tinfo.period = tinfo->curr.period; - targ->last_tinfo.width = tinfo->curr.width; - targ->last_tinfo.offset = tinfo->curr.offset; - targ->last_tinfo.ppr_options = tinfo->curr.ppr_options; - - printf("(%s:%c:", ahc_name(ahc), channel); - if (target == CAM_TARGET_WILDCARD) - printf("*): "); - else - printf("%d): ", target); - ahc_format_transinfo(&info, &tinfo->curr); - if (info.pos < info.length) - *info.buffer = '\0'; - else - buf[info.length - 1] = '\0'; - printf("%s", buf); + spi_period(starget) = tinfo->curr.period; + spi_width(starget) = tinfo->curr.width; + spi_offset(starget) = tinfo->curr.offset; + spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ; + spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ; + spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ; + spi_display_xfer_agreement(starget); break; } case AC_SENT_BDR: @@ -2038,7 +1940,7 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb) ahc_set_transaction_status(scb, CAM_REQ_CMP); } } else if (ahc_get_transaction_status(scb) == CAM_SCSI_STATUS_ERROR) { - ahc_linux_handle_scsi_status(ahc, dev, scb); + ahc_linux_handle_scsi_status(ahc, cmd->device, scb); } if (dev->openings == 1 @@ -2077,14 +1979,15 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb) static void ahc_linux_handle_scsi_status(struct ahc_softc *ahc, - struct ahc_linux_device *dev, struct scb *scb) + struct scsi_device *sdev, struct scb *scb) { struct ahc_devinfo devinfo; + struct ahc_linux_device *dev = scsi_transport_device_data(sdev); ahc_compile_devinfo(&devinfo, ahc->our_id, - dev->target->target, dev->lun, - dev->target->channel == 0 ? 'A' : 'B', + sdev->sdev_target->id, sdev->lun, + sdev->sdev_target->channel == 0 ? 'A' : 'B', ROLE_INITIATOR); /* @@ -2368,8 +2271,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) * at all, and the system wanted us to just abort the * command, return success. */ - dev = ahc_linux_get_device(ahc, cmd->device->channel, cmd->device->id, - cmd->device->lun); + dev = scsi_transport_device_data(cmd->device); if (dev == NULL) { /* @@ -2626,18 +2528,6 @@ ahc_platform_dump_card_state(struct ahc_softc *ahc) static void ahc_linux_exit(void); -static void ahc_linux_get_width(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_width(starget) = tinfo->curr.width; -} - static void ahc_linux_set_width(struct scsi_target *starget, int width) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2652,18 +2542,6 @@ static void ahc_linux_set_width(struct scsi_target *starget, int width) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_period(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_period(starget) = tinfo->curr.period; -} - static void ahc_linux_set_period(struct scsi_target *starget, int period) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2692,7 +2570,6 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period) /* all PPR requests apart from QAS require wide transfers */ if (ppr_options & ~MSG_EXT_PPR_QAS_REQ) { - ahc_linux_get_width(starget); if (spi_width(starget) == 0) ppr_options &= MSG_EXT_PPR_QAS_REQ; } @@ -2704,18 +2581,6 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_offset(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_offset(starget) = tinfo->curr.offset; -} - static void ahc_linux_set_offset(struct scsi_target *starget, int offset) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2744,18 +2609,6 @@ static void ahc_linux_set_offset(struct scsi_target *starget, int offset) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_dt(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ; -} - static void ahc_linux_set_dt(struct scsi_target *starget, int dt) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2787,18 +2640,6 @@ static void ahc_linux_set_dt(struct scsi_target *starget, int dt) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_qas(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ; -} - static void ahc_linux_set_qas(struct scsi_target *starget, int qas) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2827,18 +2668,6 @@ static void ahc_linux_set_qas(struct scsi_target *starget, int qas) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_iu(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ; -} - static void ahc_linux_set_iu(struct scsi_target *starget, int iu) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2868,22 +2697,16 @@ static void ahc_linux_set_iu(struct scsi_target *starget, int iu) } static struct spi_function_template ahc_linux_transport_functions = { - .get_offset = ahc_linux_get_offset, .set_offset = ahc_linux_set_offset, .show_offset = 1, - .get_period = ahc_linux_get_period, .set_period = ahc_linux_set_period, .show_period = 1, - .get_width = ahc_linux_get_width, .set_width = ahc_linux_set_width, .show_width = 1, - .get_dt = ahc_linux_get_dt, .set_dt = ahc_linux_set_dt, .show_dt = 1, - .get_iu = ahc_linux_get_iu, .set_iu = ahc_linux_set_iu, .show_iu = 1, - .get_qas = ahc_linux_get_qas, .set_qas = ahc_linux_set_qas, .show_qas = 1, }; @@ -2896,6 +2719,10 @@ ahc_linux_init(void) ahc_linux_transport_template = spi_attach_transport(&ahc_linux_transport_functions); if (!ahc_linux_transport_template) return -ENODEV; + scsi_transport_reserve_target(ahc_linux_transport_template, + sizeof(struct ahc_linux_target)); + scsi_transport_reserve_device(ahc_linux_transport_template, + sizeof(struct ahc_linux_device)); if (ahc_linux_detect(&aic7xxx_driver_template)) return 0; spi_release_transport(ahc_linux_transport_template); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h index 30c200d5bcd..b135c8c787b 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.h +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h @@ -79,6 +79,8 @@ #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include <scsi/scsi_tcq.h> +#include <scsi/scsi_transport.h> +#include <scsi/scsi_transport_spi.h> /* Core SCSI definitions */ #define AIC_LIB_PREFIX ahc @@ -330,8 +332,6 @@ typedef enum { struct ahc_linux_target; struct ahc_linux_device { - TAILQ_ENTRY(ahc_linux_device) links; - /* * The number of transactions currently * queued to the device. @@ -401,17 +401,10 @@ struct ahc_linux_device { */ u_int commands_since_idle_or_otag; #define AHC_OTAG_THRESH 500 - - int lun; - struct scsi_device *scsi_device; - struct ahc_linux_target *target; }; struct ahc_linux_target { - struct ahc_linux_device *devices[AHC_NUM_LUNS]; - int channel; - int target; - int refcount; + struct scsi_device *sdev[AHC_NUM_LUNS]; struct ahc_transinfo last_tinfo; struct ahc_softc *ahc; }; @@ -445,7 +438,7 @@ struct ahc_platform_data { /* * Fields accessed from interrupt context. */ - struct ahc_linux_target *targets[AHC_NUM_TARGETS]; + struct scsi_target *starget[AHC_NUM_TARGETS]; spinlock_t spin_lock; u_int qfrozen; diff --git a/drivers/scsi/aic7xxx/aic7xxx_proc.c b/drivers/scsi/aic7xxx/aic7xxx_proc.c index 5fece859fbd..9c7f1056710 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_proc.c +++ b/drivers/scsi/aic7xxx/aic7xxx_proc.c @@ -50,7 +50,7 @@ static void ahc_dump_target_state(struct ahc_softc *ahc, u_int our_id, char channel, u_int target_id, u_int target_offset); static void ahc_dump_device_state(struct info_str *info, - struct ahc_linux_device *dev); + struct scsi_device *dev); static int ahc_proc_write_seeprom(struct ahc_softc *ahc, char *buffer, int length); @@ -142,6 +142,7 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info, u_int target_offset) { struct ahc_linux_target *targ; + struct scsi_target *starget; struct ahc_initiator_tinfo *tinfo; struct ahc_tmode_tstate *tstate; int lun; @@ -153,7 +154,8 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info, copy_info(info, "Target %d Negotiation Settings\n", target_id); copy_info(info, "\tUser: "); ahc_format_transinfo(info, &tinfo->user); - targ = ahc->platform_data->targets[target_offset]; + starget = ahc->platform_data->starget[target_offset]; + targ = scsi_transport_target_data(starget); if (targ == NULL) return; @@ -163,22 +165,25 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info, ahc_format_transinfo(info, &tinfo->curr); for (lun = 0; lun < AHC_NUM_LUNS; lun++) { - struct ahc_linux_device *dev; + struct scsi_device *sdev; - dev = targ->devices[lun]; + sdev = targ->sdev[lun]; - if (dev == NULL) + if (sdev == NULL) continue; - ahc_dump_device_state(info, dev); + ahc_dump_device_state(info, sdev); } } static void -ahc_dump_device_state(struct info_str *info, struct ahc_linux_device *dev) +ahc_dump_device_state(struct info_str *info, struct scsi_device *sdev) { + struct ahc_linux_device *dev = scsi_transport_device_data(sdev); + copy_info(info, "\tChannel %c Target %d Lun %d Settings\n", - dev->target->channel + 'A', dev->target->target, dev->lun); + sdev->sdev_target->channel + 'A', + sdev->sdev_target->id, sdev->lun); copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued); copy_info(info, "\t\tCommands Active %d\n", dev->active); |