diff options
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 240 |
1 files changed, 120 insertions, 120 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 5b758b9ad0b8..f5d5420a1ba2 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -45,7 +45,7 @@ #include <scsi/scsi_transport.h> #include <linux/libata.h> #include <linux/hdreg.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include "libata.h" @@ -53,9 +53,9 @@ typedef unsigned int (*ata_xlat_func_t)(struct ata_queued_cmd *qc); -static struct ata_device * __ata_scsi_find_dev(struct ata_port *ap, +static struct ata_device *__ata_scsi_find_dev(struct ata_port *ap, const struct scsi_device *scsidev); -static struct ata_device * ata_scsi_find_dev(struct ata_port *ap, +static struct ata_device *ata_scsi_find_dev(struct ata_port *ap, const struct scsi_device *scsidev); static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel, unsigned int id, unsigned int lun); @@ -228,7 +228,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg) scsi_cmd[1] = (4 << 1); /* PIO Data-in */ scsi_cmd[2] = 0x0e; /* no off.line or cc, read from dev, - block count in sector count field */ + block count in sector count field */ data_dir = DMA_FROM_DEVICE; } else { scsi_cmd[1] = (3 << 1); /* Non-data */ @@ -252,7 +252,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg) /* Good values for timeout and retries? Values below from scsi_ioctl_send_command() for default case... */ cmd_result = scsi_execute(scsidev, scsi_cmd, data_dir, argbuf, argsize, - sensebuf, (10*HZ), 5, 0); + sensebuf, (10*HZ), 5, 0); if (driver_byte(cmd_result) == DRIVER_SENSE) {/* sense data available */ u8 *desc = sensebuf + 8; @@ -263,18 +263,18 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg) if (cmd_result & SAM_STAT_CHECK_CONDITION) { struct scsi_sense_hdr sshdr; scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE, - &sshdr); - if (sshdr.sense_key==0 && - sshdr.asc==0 && sshdr.ascq==0) + &sshdr); + if (sshdr.sense_key == 0 && + sshdr.asc == 0 && sshdr.ascq == 0) cmd_result &= ~SAM_STAT_CHECK_CONDITION; } /* Send userspace a few ATA registers (same as drivers/ide) */ - if (sensebuf[0] == 0x72 && /* format is "descriptor" */ - desc[0] == 0x09 ) { /* code is "ATA Descriptor" */ - args[0] = desc[13]; /* status */ - args[1] = desc[3]; /* error */ - args[2] = desc[5]; /* sector count (0:7) */ + if (sensebuf[0] == 0x72 && /* format is "descriptor" */ + desc[0] == 0x09) { /* code is "ATA Descriptor" */ + args[0] = desc[13]; /* status */ + args[1] = desc[3]; /* error */ + args[2] = desc[5]; /* sector count (0:7) */ if (copy_to_user(arg, args, sizeof(args))) rc = -EFAULT; } @@ -350,8 +350,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg) struct scsi_sense_hdr sshdr; scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE, &sshdr); - if (sshdr.sense_key==0 && - sshdr.asc==0 && sshdr.ascq==0) + if (sshdr.sense_key == 0 && + sshdr.asc == 0 && sshdr.ascq == 0) cmd_result &= ~SAM_STAT_CHECK_CONDITION; } @@ -975,7 +975,7 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) if ((qc->dev->flags & ATA_DFLAG_SPUNDOWN) && (system_state == SYSTEM_HALT || system_state == SYSTEM_POWER_OFF)) { - static unsigned long warned = 0; + static unsigned long warned; if (!test_and_set_bit(0, &warned)) { ata_dev_printk(qc->dev, KERN_WARNING, @@ -1364,7 +1364,7 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) struct ata_eh_info *ehi = &qc->dev->link->eh_info; struct scsi_cmnd *cmd = qc->scsicmd; u8 *cdb = cmd->cmnd; - int need_sense = (qc->err_mask != 0); + int need_sense = (qc->err_mask != 0); /* We snoop the SET_FEATURES - Write Cache ON/OFF command, and * schedule EH_REVALIDATE operation to update the IDENTIFY DEVICE @@ -1396,7 +1396,7 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) * was no error, SK, ASC and ASCQ will all be zero. */ if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) && - ((cdb[2] & 0x20) || need_sense)) { + ((cdb[2] & 0x20) || need_sense)) { ata_gen_passthru_sense(qc); } else { if (!need_sense) { @@ -1500,7 +1500,7 @@ static int ata_scsi_translate(struct ata_device *dev, struct scsi_cmnd *cmd, return 0; early_finish: - ata_qc_free(qc); + ata_qc_free(qc); qc->scsidone(cmd); DPRINTK("EXIT - early finish (good or error)\n"); return 0; @@ -1590,8 +1590,8 @@ static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, u8 *buf) */ void ata_scsi_rbuf_fill(struct ata_scsi_args *args, - unsigned int (*actor) (struct ata_scsi_args *args, - u8 *rbuf, unsigned int buflen)) + unsigned int (*actor) (struct ata_scsi_args *args, + u8 *rbuf, unsigned int buflen)) { u8 *rbuf; unsigned int buflen, rc; @@ -2140,7 +2140,7 @@ saving_not_supp: * None. */ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf, - unsigned int buflen) + unsigned int buflen) { u64 last_lba = args->dev->n_sectors - 1; /* LBA of the last block */ @@ -2464,7 +2464,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) return 0; } -static struct ata_device * ata_find_dev(struct ata_port *ap, int devno) +static struct ata_device *ata_find_dev(struct ata_port *ap, int devno) { if (ap->nr_pmp_links == 0) { if (likely(devno < ata_link_max_devices(&ap->link))) @@ -2477,8 +2477,8 @@ static struct ata_device * ata_find_dev(struct ata_port *ap, int devno) return NULL; } -static struct ata_device * __ata_scsi_find_dev(struct ata_port *ap, - const struct scsi_device *scsidev) +static struct ata_device *__ata_scsi_find_dev(struct ata_port *ap, + const struct scsi_device *scsidev) { int devno; @@ -2564,27 +2564,27 @@ static u8 ata_scsi_map_proto(u8 byte1) { switch((byte1 & 0x1e) >> 1) { - case 3: /* Non-data */ - return ATA_PROT_NODATA; - - case 6: /* DMA */ - case 10: /* UDMA Data-in */ - case 11: /* UDMA Data-Out */ - return ATA_PROT_DMA; - - case 4: /* PIO Data-in */ - case 5: /* PIO Data-out */ - return ATA_PROT_PIO; - - case 0: /* Hard Reset */ - case 1: /* SRST */ - case 8: /* Device Diagnostic */ - case 9: /* Device Reset */ - case 7: /* DMA Queued */ - case 12: /* FPDMA */ - case 15: /* Return Response Info */ - default: /* Reserved */ - break; + case 3: /* Non-data */ + return ATA_PROT_NODATA; + + case 6: /* DMA */ + case 10: /* UDMA Data-in */ + case 11: /* UDMA Data-Out */ + return ATA_PROT_DMA; + + case 4: /* PIO Data-in */ + case 5: /* PIO Data-out */ + return ATA_PROT_PIO; + + case 0: /* Hard Reset */ + case 1: /* SRST */ + case 8: /* Device Diagnostic */ + case 9: /* Device Reset */ + case 7: /* DMA Queued */ + case 12: /* FPDMA */ + case 15: /* Return Response Info */ + default: /* Reserved */ + break; } return ATA_PROT_UNKNOWN; @@ -2919,94 +2919,94 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd, args.done = done; switch(scsicmd[0]) { - /* TODO: worth improving? */ - case FORMAT_UNIT: + /* TODO: worth improving? */ + case FORMAT_UNIT: + ata_scsi_invalid_field(cmd, done); + break; + + case INQUIRY: + if (scsicmd[1] & 2) /* is CmdDt set? */ ata_scsi_invalid_field(cmd, done); + else if ((scsicmd[1] & 1) == 0) /* is EVPD clear? */ + ata_scsi_rbuf_fill(&args, ata_scsiop_inq_std); + else switch (scsicmd[2]) { + case 0x00: + ata_scsi_rbuf_fill(&args, ata_scsiop_inq_00); break; - - case INQUIRY: - if (scsicmd[1] & 2) /* is CmdDt set? */ - ata_scsi_invalid_field(cmd, done); - else if ((scsicmd[1] & 1) == 0) /* is EVPD clear? */ - ata_scsi_rbuf_fill(&args, ata_scsiop_inq_std); - else switch (scsicmd[2]) { - case 0x00: - ata_scsi_rbuf_fill(&args, ata_scsiop_inq_00); - break; - case 0x80: - ata_scsi_rbuf_fill(&args, ata_scsiop_inq_80); - break; - case 0x83: - ata_scsi_rbuf_fill(&args, ata_scsiop_inq_83); - break; - case 0x89: - ata_scsi_rbuf_fill(&args, ata_scsiop_inq_89); - break; - default: - ata_scsi_invalid_field(cmd, done); - break; - } + case 0x80: + ata_scsi_rbuf_fill(&args, ata_scsiop_inq_80); break; - - case MODE_SENSE: - case MODE_SENSE_10: - ata_scsi_rbuf_fill(&args, ata_scsiop_mode_sense); + case 0x83: + ata_scsi_rbuf_fill(&args, ata_scsiop_inq_83); break; - - case MODE_SELECT: /* unconditionally return */ - case MODE_SELECT_10: /* bad-field-in-cdb */ + case 0x89: + ata_scsi_rbuf_fill(&args, ata_scsiop_inq_89); + break; + default: ata_scsi_invalid_field(cmd, done); break; + } + break; + + case MODE_SENSE: + case MODE_SENSE_10: + ata_scsi_rbuf_fill(&args, ata_scsiop_mode_sense); + break; - case READ_CAPACITY: + case MODE_SELECT: /* unconditionally return */ + case MODE_SELECT_10: /* bad-field-in-cdb */ + ata_scsi_invalid_field(cmd, done); + break; + + case READ_CAPACITY: + ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap); + break; + + case SERVICE_ACTION_IN: + if ((scsicmd[1] & 0x1f) == SAI_READ_CAPACITY_16) ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap); - break; + else + ata_scsi_invalid_field(cmd, done); + break; - case SERVICE_ACTION_IN: - if ((scsicmd[1] & 0x1f) == SAI_READ_CAPACITY_16) - ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap); - else - ata_scsi_invalid_field(cmd, done); - break; + case REPORT_LUNS: + ata_scsi_rbuf_fill(&args, ata_scsiop_report_luns); + break; - case REPORT_LUNS: - ata_scsi_rbuf_fill(&args, ata_scsiop_report_luns); - break; + case REQUEST_SENSE: + ata_scsi_set_sense(cmd, 0, 0, 0); + cmd->result = (DRIVER_SENSE << 24); + done(cmd); + break; - case REQUEST_SENSE: - ata_scsi_set_sense(cmd, 0, 0, 0); - cmd->result = (DRIVER_SENSE << 24); - done(cmd); - break; + /* if we reach this, then writeback caching is disabled, + * turning this into a no-op. + */ + case SYNCHRONIZE_CACHE: + /* fall through */ + + /* no-op's, complete with success */ + case REZERO_UNIT: + case SEEK_6: + case SEEK_10: + case TEST_UNIT_READY: + ata_scsi_rbuf_fill(&args, ata_scsiop_noop); + break; - /* if we reach this, then writeback caching is disabled, - * turning this into a no-op. - */ - case SYNCHRONIZE_CACHE: - /* fall through */ - - /* no-op's, complete with success */ - case REZERO_UNIT: - case SEEK_6: - case SEEK_10: - case TEST_UNIT_READY: + case SEND_DIAGNOSTIC: + tmp8 = scsicmd[1] & ~(1 << 3); + if ((tmp8 == 0x4) && (!scsicmd[3]) && (!scsicmd[4])) ata_scsi_rbuf_fill(&args, ata_scsiop_noop); - break; - - case SEND_DIAGNOSTIC: - tmp8 = scsicmd[1] & ~(1 << 3); - if ((tmp8 == 0x4) && (!scsicmd[3]) && (!scsicmd[4])) - ata_scsi_rbuf_fill(&args, ata_scsiop_noop); - else - ata_scsi_invalid_field(cmd, done); - break; + else + ata_scsi_invalid_field(cmd, done); + break; - /* all other commands */ - default: - ata_scsi_set_sense(cmd, ILLEGAL_REQUEST, 0x20, 0x0); - /* "Invalid command operation code" */ - done(cmd); - break; + /* all other commands */ + default: + ata_scsi_set_sense(cmd, ILLEGAL_REQUEST, 0x20, 0x0); + /* "Invalid command operation code" */ + done(cmd); + break; } } |