| | 1 | /* |
| | 2 | * libata.h - helper library for ATA |
| | 3 | * |
| | 4 | * Copyright 2003-2004 Red Hat, Inc. All rights reserved. |
| | 5 | * Copyright 2003-2004 Jeff Garzik |
| | 6 | * |
| | 7 | * |
| | 8 | * This program is free software; you can redistribute it and/or modify |
| | 9 | * it under the terms of the GNU General Public License as published by |
| | 10 | * the Free Software Foundation; either version 2, or (at your option) |
| | 11 | * any later version. |
| | 12 | * |
| | 13 | * This program is distributed in the hope that it will be useful, |
| | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 16 | * GNU General Public License for more details. |
| | 17 | * |
| | 18 | * You should have received a copy of the GNU General Public License |
| | 19 | * along with this program; see the file COPYING. If not, write to |
| | 20 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| | 21 | * |
| | 22 | * |
| | 23 | * libata documentation is available via 'make {ps|pdf}docs', |
| | 24 | * as Documentation/DocBook/libata.* |
| | 25 | * |
| | 26 | */ |
| | 27 | |
| | 28 | #ifndef __LIBATA_H__ |
| | 29 | #define __LIBATA_H__ |
| | 30 | |
| | 31 | #define DRV_NAME "libata" |
| | 32 | #define DRV_VERSION "1.30" /* must be exactly four chars */ |
| | 33 | |
| | 34 | struct ata_scsi_args { |
| | 35 | struct ata_device *dev; |
| | 36 | u16 *id; |
| | 37 | struct scsi_cmnd *cmd; |
| | 38 | void (*done)(struct scsi_cmnd *); |
| | 39 | }; |
| | 40 | |
| | 41 | /* libata-core.c */ |
| | 42 | extern struct workqueue_struct *ata_aux_wq; |
| | 43 | extern int atapi_enabled; |
| | 44 | extern int atapi_dmadir; |
| | 45 | extern int libata_fua; |
| | 46 | extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); |
| | 47 | extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc); |
| | 48 | extern void ata_dev_disable(struct ata_device *dev); |
| | 49 | extern void ata_port_flush_task(struct ata_port *ap); |
| | 50 | extern unsigned ata_exec_internal(struct ata_device *dev, |
| | 51 | struct ata_taskfile *tf, const u8 *cdb, |
| | 52 | int dma_dir, void *buf, unsigned int buflen); |
| | 53 | extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, |
| | 54 | int post_reset, u16 *id); |
| | 55 | extern int ata_dev_configure(struct ata_device *dev, int print_info); |
| | 56 | extern int sata_down_spd_limit(struct ata_port *ap); |
| | 57 | extern int sata_set_spd_needed(struct ata_port *ap); |
| | 58 | extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0); |
| | 59 | extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev); |
| | 60 | extern int ata_do_reset(struct ata_port *ap, ata_reset_fn_t reset, |
| | 61 | unsigned int *classes); |
| | 62 | extern void ata_qc_free(struct ata_queued_cmd *qc); |
| | 63 | extern void ata_qc_issue(struct ata_queued_cmd *qc); |
| | 64 | extern void __ata_qc_complete(struct ata_queued_cmd *qc); |
| | 65 | extern int ata_check_atapi_dma(struct ata_queued_cmd *qc); |
| | 66 | extern void ata_dev_select(struct ata_port *ap, unsigned int device, |
| | 67 | unsigned int wait, unsigned int can_sleep); |
| | 68 | extern void swap_buf_le16(u16 *buf, unsigned int buf_words); |
| | 69 | extern void ata_dev_init(struct ata_device *dev); |
| | 70 | extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg); |
| | 71 | extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg); |
| | 72 | |
| | 73 | |
| | 74 | /* libata-scsi.c */ |
| | 75 | extern struct scsi_transport_template ata_scsi_transport_template; |
| | 76 | |
| | 77 | extern void ata_scsi_scan_host(struct ata_port *ap); |
| | 78 | extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf, |
| | 79 | unsigned int buflen); |
| | 80 | |
| | 81 | extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf, |
| | 82 | unsigned int buflen); |
| | 83 | |
| | 84 | extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf, |
| | 85 | unsigned int buflen); |
| | 86 | extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf, |
| | 87 | unsigned int buflen); |
| | 88 | extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf, |
| | 89 | unsigned int buflen); |
| | 90 | extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf, |
| | 91 | unsigned int buflen); |
| | 92 | extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf, |
| | 93 | unsigned int buflen); |
| | 94 | extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf, |
| | 95 | unsigned int buflen); |
| | 96 | extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf, |
| | 97 | unsigned int buflen); |
| | 98 | extern void ata_scsi_badcmd(struct scsi_cmnd *cmd, |
| | 99 | void (*done)(struct scsi_cmnd *), |
| | 100 | u8 asc, u8 ascq); |
| | 101 | extern void ata_scsi_set_sense(struct scsi_cmnd *cmd, |
| | 102 | u8 sk, u8 asc, u8 ascq); |
| | 103 | extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args, |
| | 104 | unsigned int (*actor) (struct ata_scsi_args *args, |
| | 105 | u8 *rbuf, unsigned int buflen)); |
| | 106 | extern void ata_schedule_scsi_eh(struct Scsi_Host *shost); |
| | 107 | |
| | 108 | /* libata-eh.c */ |
| | 109 | extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd); |
| | 110 | extern void ata_scsi_error(struct Scsi_Host *host); |
| | 111 | extern void ata_port_wait_eh(struct ata_port *ap); |
| | 112 | extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc); |
| | 113 | |
| | 114 | #endif /* __LIBATA_H__ */ |
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