From 9f0fc191371843c4fc000a226b0a26b6c059aacd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:40:19 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- drivers/scsi/aic7xxx/aic79xx_osm.c | 38 +++++++---- drivers/scsi/aic7xxx/aic7xxx_osm.c | 127 ++++++++++++++++++++----------------- 2 files changed, 96 insertions(+), 69 deletions(-) (limited to 'drivers/scsi/aic7xxx') diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index f2f3405cde..4202059815 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -536,13 +536,18 @@ ahd_linux_unmap_scb(struct ahd_softc *ahd, struct scb *scb) struct scsi_cmnd *cmd; cmd = scb->io_ctx; - ahd_sync_sglist(ahd, scb, BUS_DMASYNC_POSTWRITE); - scsi_dma_unmap(cmd); + if (cmd) { + ahd_sync_sglist(ahd, scb, BUS_DMASYNC_POSTWRITE); + scsi_dma_unmap(cmd); + } } /******************************** Macros **************************************/ -#define BUILD_SCSIID(ahd, cmd) \ - (((scmd_id(cmd) << TID_SHIFT) & TID) | (ahd)->our_id) +static inline unsigned int ahd_build_scsiid(struct ahd_softc *ahd, + struct scsi_device *sdev) +{ + return ((sdev_id(sdev) << TID_SHIFT) & TID) | (ahd)->our_id; +} /* * Return a string describing the driver. @@ -811,14 +816,14 @@ ahd_linux_dev_reset(struct scsi_cmnd *cmd) tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id, cmd->device->id, &tstate); - reset_scb->io_ctx = cmd; + reset_scb->io_ctx = NULL; reset_scb->platform_data->dev = dev; reset_scb->sg_count = 0; ahd_set_residual(reset_scb, 0); ahd_set_sense_residual(reset_scb, 0); reset_scb->platform_data->xfer_len = 0; reset_scb->hscb->control = 0; - reset_scb->hscb->scsiid = BUILD_SCSIID(ahd,cmd); + reset_scb->hscb->scsiid = ahd_build_scsiid(ahd, cmd->device); reset_scb->hscb->lun = cmd->device->lun; reset_scb->hscb->cdb_len = 0; reset_scb->hscb->task_management = SIU_TASKMGMT_LUN_RESET; @@ -1577,7 +1582,7 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev, * Fill out basics of the HSCB. */ hscb->control = 0; - hscb->scsiid = BUILD_SCSIID(ahd, cmd); + hscb->scsiid = ahd_build_scsiid(ahd, cmd->device); hscb->lun = cmd->device->lun; scb->hscb->task_management = 0; mask = SCB_GET_TARGET_MASK(ahd, scb); @@ -1766,9 +1771,16 @@ ahd_done(struct ahd_softc *ahd, struct scb *scb) dev = scb->platform_data->dev; dev->active--; dev->openings++; - if ((cmd->result & (CAM_DEV_QFRZN << 16)) != 0) { - cmd->result &= ~(CAM_DEV_QFRZN << 16); - dev->qfrozen--; + if (cmd) { + if ((cmd->result & (CAM_DEV_QFRZN << 16)) != 0) { + cmd->result &= ~(CAM_DEV_QFRZN << 16); + dev->qfrozen--; + } + } else if (scb->flags & SCB_DEVICE_RESET) { + if (ahd->platform_data->eh_done) + complete(ahd->platform_data->eh_done); + ahd_free_scb(ahd, scb); + return; } ahd_linux_unmap_scb(ahd, scb); @@ -1822,7 +1834,8 @@ ahd_done(struct ahd_softc *ahd, struct scb *scb) } else { ahd_set_transaction_status(scb, CAM_REQ_CMP); } - } else if (ahd_get_transaction_status(scb) == CAM_SCSI_STATUS_ERROR) { + } else if (cmd && + ahd_get_transaction_status(scb) == CAM_SCSI_STATUS_ERROR) { ahd_linux_handle_scsi_status(ahd, cmd->device, scb); } @@ -1856,7 +1869,8 @@ ahd_done(struct ahd_softc *ahd, struct scb *scb) } ahd_free_scb(ahd, scb); - ahd_linux_queue_cmd_complete(ahd, cmd); + if (cmd) + ahd_linux_queue_cmd_complete(ahd, cmd); } static void diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index d3b1082654..4ae0a1c4d3 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -366,7 +366,8 @@ static void ahc_linux_queue_cmd_complete(struct ahc_softc *ahc, struct scsi_cmnd *cmd); static void ahc_linux_freeze_simq(struct ahc_softc *ahc); static void ahc_linux_release_simq(struct ahc_softc *ahc); -static int ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag); +static int ahc_linux_queue_recovery_cmd(struct scsi_device *sdev, + struct scsi_cmnd *cmd); 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); @@ -728,7 +729,7 @@ ahc_linux_abort(struct scsi_cmnd *cmd) { int error; - error = ahc_linux_queue_recovery_cmd(cmd, SCB_ABORT); + error = ahc_linux_queue_recovery_cmd(cmd->device, cmd); if (error != SUCCESS) printk("aic7xxx_abort returns 0x%x\n", error); return (error); @@ -742,7 +743,7 @@ ahc_linux_dev_reset(struct scsi_cmnd *cmd) { int error; - error = ahc_linux_queue_recovery_cmd(cmd, SCB_DEVICE_RESET); + error = ahc_linux_queue_recovery_cmd(cmd->device, NULL); if (error != SUCCESS) printk("aic7xxx_dev_reset returns 0x%x\n", error); return (error); @@ -798,11 +799,18 @@ struct scsi_host_template aic7xxx_driver_template = { /**************************** Tasklet Handler *********************************/ -/******************************** Macros **************************************/ -#define BUILD_SCSIID(ahc, cmd) \ - ((((cmd)->device->id << TID_SHIFT) & TID) \ - | (((cmd)->device->channel == 0) ? (ahc)->our_id : (ahc)->our_id_b) \ - | (((cmd)->device->channel == 0) ? 0 : TWIN_CHNLB)) + +static inline unsigned int ahc_build_scsiid(struct ahc_softc *ahc, + struct scsi_device *sdev) +{ + unsigned int scsiid = (sdev->id << TID_SHIFT) & TID; + + if (sdev->channel == 0) + scsiid |= ahc->our_id; + else + scsiid |= ahc->our_id_b | TWIN_CHNLB; + return scsiid; +} /******************************** Bus DMA *************************************/ int @@ -1457,7 +1465,7 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, * Fill out basics of the HSCB. */ hscb->control = 0; - hscb->scsiid = BUILD_SCSIID(ahc, cmd); + hscb->scsiid = ahc_build_scsiid(ahc, cmd->device); hscb->lun = cmd->device->lun; mask = SCB_GET_TARGET_MASK(ahc, scb); tinfo = ahc_fetch_transinfo(ahc, SCB_GET_CHANNEL(ahc, scb), @@ -2029,11 +2037,12 @@ ahc_linux_release_simq(struct ahc_softc *ahc) } static int -ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) +ahc_linux_queue_recovery_cmd(struct scsi_device *sdev, + struct scsi_cmnd *cmd) { struct ahc_softc *ahc; struct ahc_linux_device *dev; - struct scb *pending_scb; + struct scb *pending_scb = NULL, *scb; u_int saved_scbptr; u_int active_scb_index; u_int last_phase; @@ -2046,18 +2055,19 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) int disconnected; unsigned long flags; - pending_scb = NULL; paused = FALSE; wait = FALSE; - ahc = *(struct ahc_softc **)cmd->device->host->hostdata; + ahc = *(struct ahc_softc **)sdev->host->hostdata; - scmd_printk(KERN_INFO, cmd, "Attempting to queue a%s message\n", - flag == SCB_ABORT ? "n ABORT" : " TARGET RESET"); + sdev_printk(KERN_INFO, sdev, "Attempting to queue a%s message\n", + cmd ? "n ABORT" : " TARGET RESET"); - printk("CDB:"); - for (cdb_byte = 0; cdb_byte < cmd->cmd_len; cdb_byte++) - printk(" 0x%x", cmd->cmnd[cdb_byte]); - printk("\n"); + if (cmd) { + printk("CDB:"); + for (cdb_byte = 0; cdb_byte < cmd->cmd_len; cdb_byte++) + printk(" 0x%x", cmd->cmnd[cdb_byte]); + printk("\n"); + } ahc_lock(ahc, &flags); @@ -2068,7 +2078,7 @@ 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 = scsi_transport_device_data(cmd->device); + dev = scsi_transport_device_data(sdev); if (dev == NULL) { /* @@ -2076,13 +2086,12 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) * so we must not still own the command. */ printk("%s:%d:%d:%d: Is not an active device\n", - ahc_name(ahc), cmd->device->channel, cmd->device->id, - (u8)cmd->device->lun); + ahc_name(ahc), sdev->channel, sdev->id, (u8)sdev->lun); retval = SUCCESS; goto no_cmd; } - if ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED)) == 0 + if (cmd && (dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED)) == 0 && ahc_search_untagged_queues(ahc, cmd, cmd->device->id, cmd->device->channel + 'A', (u8)cmd->device->lun, @@ -2097,25 +2106,28 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) /* * See if we can find a matching cmd in the pending list. */ - LIST_FOREACH(pending_scb, &ahc->pending_scbs, pending_links) { - if (pending_scb->io_ctx == cmd) - break; - } - - if (pending_scb == NULL && flag == SCB_DEVICE_RESET) { - + if (cmd) { + LIST_FOREACH(scb, &ahc->pending_scbs, pending_links) { + if (scb->io_ctx == cmd) { + pending_scb = scb; + break; + } + } + } else { /* Any SCB for this device will do for a target reset */ - LIST_FOREACH(pending_scb, &ahc->pending_scbs, pending_links) { - if (ahc_match_scb(ahc, pending_scb, scmd_id(cmd), - scmd_channel(cmd) + 'A', + LIST_FOREACH(scb, &ahc->pending_scbs, pending_links) { + if (ahc_match_scb(ahc, scb, sdev->id, + sdev->channel + 'A', CAM_LUN_WILDCARD, - SCB_LIST_NULL, ROLE_INITIATOR)) + SCB_LIST_NULL, ROLE_INITIATOR)) { + pending_scb = scb; break; + } } } if (pending_scb == NULL) { - scmd_printk(KERN_INFO, cmd, "Command not found\n"); + sdev_printk(KERN_INFO, sdev, "Command not found\n"); goto no_cmd; } @@ -2146,22 +2158,22 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) ahc_dump_card_state(ahc); disconnected = TRUE; - if (flag == SCB_ABORT) { - if (ahc_search_qinfifo(ahc, cmd->device->id, - cmd->device->channel + 'A', - cmd->device->lun, + if (cmd) { + if (ahc_search_qinfifo(ahc, sdev->id, + sdev->channel + 'A', + sdev->lun, pending_scb->hscb->tag, ROLE_INITIATOR, CAM_REQ_ABORTED, SEARCH_COMPLETE) > 0) { printk("%s:%d:%d:%d: Cmd aborted from QINFIFO\n", - ahc_name(ahc), cmd->device->channel, - cmd->device->id, (u8)cmd->device->lun); + ahc_name(ahc), sdev->channel, + sdev->id, (u8)sdev->lun); retval = SUCCESS; goto done; } - } else if (ahc_search_qinfifo(ahc, cmd->device->id, - cmd->device->channel + 'A', - cmd->device->lun, + } else if (ahc_search_qinfifo(ahc, sdev->id, + sdev->channel + 'A', + sdev->lun, pending_scb->hscb->tag, ROLE_INITIATOR, /*status*/0, SEARCH_COUNT) > 0) { @@ -2174,7 +2186,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) bus_scb = ahc_lookup_scb(ahc, ahc_inb(ahc, SCB_TAG)); if (bus_scb == pending_scb) disconnected = FALSE; - else if (flag != SCB_ABORT + else if (!cmd && ahc_inb(ahc, SAVED_SCSIID) == pending_scb->hscb->scsiid && ahc_inb(ahc, SAVED_LUN) == SCB_GET_LUN(pending_scb)) disconnected = FALSE; @@ -2194,18 +2206,18 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) saved_scsiid = ahc_inb(ahc, SAVED_SCSIID); if (last_phase != P_BUSFREE && (pending_scb->hscb->tag == active_scb_index - || (flag == SCB_DEVICE_RESET - && SCSIID_TARGET(ahc, saved_scsiid) == scmd_id(cmd)))) { + || (!cmd && SCSIID_TARGET(ahc, saved_scsiid) == sdev->id))) { /* * We're active on the bus, so assert ATN * and hope that the target responds. */ pending_scb = ahc_lookup_scb(ahc, active_scb_index); - pending_scb->flags |= SCB_RECOVERY_SCB|flag; + pending_scb->flags |= SCB_RECOVERY_SCB; + pending_scb->flags |= cmd ? SCB_ABORT : SCB_DEVICE_RESET; ahc_outb(ahc, MSG_OUT, HOST_MSG); ahc_outb(ahc, SCSISIGO, last_phase|ATNO); - scmd_printk(KERN_INFO, cmd, "Device is active, asserting ATN\n"); + sdev_printk(KERN_INFO, sdev, "Device is active, asserting ATN\n"); wait = TRUE; } else if (disconnected) { @@ -2226,7 +2238,8 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) * an unsolicited reselection occurred. */ pending_scb->hscb->control |= MK_MESSAGE|DISCONNECTED; - pending_scb->flags |= SCB_RECOVERY_SCB|flag; + pending_scb->flags |= SCB_RECOVERY_SCB; + pending_scb->flags |= cmd ? SCB_ABORT : SCB_DEVICE_RESET; /* * Remove any cached copy of this SCB in the @@ -2235,9 +2248,9 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) * same element in the SCB, SCB_NEXT, for * both the qinfifo and the disconnected list. */ - ahc_search_disc_list(ahc, cmd->device->id, - cmd->device->channel + 'A', - cmd->device->lun, pending_scb->hscb->tag, + ahc_search_disc_list(ahc, sdev->id, + sdev->channel + 'A', + sdev->lun, pending_scb->hscb->tag, /*stop_on_first*/TRUE, /*remove*/TRUE, /*save_state*/FALSE); @@ -2260,9 +2273,9 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) * so we are the next SCB for this target * to run. */ - ahc_search_qinfifo(ahc, cmd->device->id, - cmd->device->channel + 'A', - cmd->device->lun, SCB_LIST_NULL, + ahc_search_qinfifo(ahc, sdev->id, + sdev->channel + 'A', + (u8)sdev->lun, SCB_LIST_NULL, ROLE_INITIATOR, CAM_REQUEUE_REQ, SEARCH_COMPLETE); ahc_qinfifo_requeue_tail(ahc, pending_scb); @@ -2271,7 +2284,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) printk("Device is disconnected, re-queuing SCB\n"); wait = TRUE; } else { - scmd_printk(KERN_INFO, cmd, "Unable to deliver message\n"); + sdev_printk(KERN_INFO, sdev, "Unable to deliver message\n"); retval = FAILED; goto done; } -- cgit v1.2.3