e3e592bb7d
On my ZVOL of SSDs that increases speed of zero writing in that way from 1 to 2.5GB/s by reducing CPU overhead. MFC after: 2 weeks
124 lines
5.0 KiB
C
124 lines
5.0 KiB
C
/*-
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* Copyright (c) 2003 Silicon Graphics International Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*
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* $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_util.h#2 $
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* $FreeBSD$
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*/
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/*
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* CAM Target Layer SCSI library interface
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*
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* Author: Ken Merry <ken@FreeBSD.org>
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*/
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#ifndef _CTL_UTIL_H
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#define _CTL_UTIL_H 1
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__BEGIN_DECLS
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void ctl_scsi_tur(union ctl_io *io, ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_inquiry(union ctl_io *io, uint8_t *data_ptr, int32_t data_len,
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uint8_t byte2, uint8_t page_code, ctl_tag_type tag_type,
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uint8_t control);
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void ctl_scsi_request_sense(union ctl_io *io, uint8_t *data_ptr,
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int32_t data_len, uint8_t byte2,
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ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_report_luns(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, uint8_t select_report,
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ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_read_write_buffer(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, int read_buffer,
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uint8_t mode, uint8_t buffer_id,
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uint32_t buffer_offset, ctl_tag_type tag_type,
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uint8_t control);
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void ctl_scsi_read_write(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, int read_op, uint8_t byte2,
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int minimum_cdb_size, uint64_t lba,
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uint32_t num_blocks, ctl_tag_type tag_type,
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uint8_t control);
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void ctl_scsi_write_same(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, uint8_t byte2,
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uint64_t lba, uint32_t num_blocks,
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ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_read_capacity(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, uint32_t addr, int reladr,
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int pmi, ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_read_capacity_16(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, uint64_t addr, int reladr,
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int pmi, ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_mode_sense(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, int dbd, int llbaa,
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uint8_t page_code, uint8_t pc, uint8_t subpage,
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int minimum_cdb_size, ctl_tag_type tag_type,
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uint8_t control);
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void ctl_scsi_start_stop(union ctl_io *io, int start, int load_eject,
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int immediate, int power_conditions, int onoffline,
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ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_sync_cache(union ctl_io *io, int immed, int reladr,
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int minimum_cdb_size, uint64_t starting_lba,
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uint32_t block_count, ctl_tag_type tag_type,
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uint8_t control);
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void ctl_scsi_persistent_res_in(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, int action,
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ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_persistent_res_out(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, int action, int type,
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uint64_t key, uint64_t sa_key,
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ctl_tag_type tag_type, uint8_t control);
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void ctl_scsi_maintenance_in(union ctl_io *io, uint8_t *data_ptr,
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uint32_t data_len, uint8_t action,
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ctl_tag_type tag_type, uint8_t control);
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#ifndef _KERNEL
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union ctl_io *ctl_scsi_alloc_io(struct ctl_id initid);
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void ctl_scsi_free_io(union ctl_io *io);
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#endif /* !_KERNEL */
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void ctl_scsi_zero_io(union ctl_io *io);
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const char *ctl_scsi_task_string(struct ctl_taskio *taskio);
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void ctl_io_error_sbuf(union ctl_io *io,
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struct scsi_inquiry_data *inq_data, struct sbuf *sb);
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char *ctl_io_error_string(union ctl_io *io,
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struct scsi_inquiry_data *inq_data, char *str,
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int str_len);
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#ifdef _KERNEL
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void ctl_io_error_print(union ctl_io *io, struct scsi_inquiry_data *inq_data);
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#else /* _KERNEL */
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void
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ctl_io_error_print(union ctl_io *io, struct scsi_inquiry_data *inq_data,
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FILE *ofile);
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#endif /* _KERNEL */
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__END_DECLS
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#endif /* _CTL_UTIL_H */
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/*
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* vim: ts=8
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*/
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