d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
b58aba6b66
freebsd-nq/sys/cam/ctl/ctl_util.c
Alexander Motin e3e592bb7d Reimplement WRITE USING TOKEN with Block Zero token using WRITE SAME. 
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
2014-08-05 15:01:30 +00:00

876 lines
22 KiB
C
Raw Blame History

/*-
* Copyright (c) 2003 Silicon Graphics International Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_util.c#2 $
*/
/*
* CAM Target Layer SCSI library
*
* Author: Ken Merry <ken@FreeBSD.org>
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifdef _KERNEL
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/types.h>
#include <sys/malloc.h>
#else /* __KERNEL__ */
#include <sys/types.h>
#include <sys/time.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#endif /* __KERNEL__ */
#include <sys/sbuf.h>
#include <sys/queue.h>
#include <sys/callout.h>
#include <cam/scsi/scsi_all.h>
#include <cam/ctl/ctl_io.h>
#include <cam/ctl/ctl_scsi_all.h>
#include <cam/ctl/ctl_util.h>
struct ctl_status_desc {
ctl_io_status status;
const char *description;
};
struct ctl_task_desc {
ctl_task_type task_action;
const char *description;
};
static struct ctl_status_desc ctl_status_table[] = {
{CTL_STATUS_NONE, "No Status"},
{CTL_SUCCESS, "Command Completed Successfully"},
{CTL_CMD_TIMEOUT, "Command Timed Out"},
{CTL_SEL_TIMEOUT, "Selection Timeout"},
{CTL_ERROR, "Command Failed"},
{CTL_SCSI_ERROR, "SCSI Error"},
{CTL_CMD_ABORTED, "Command Aborted"},
};
static struct ctl_task_desc ctl_task_table[] = {
{CTL_TASK_ABORT_TASK, "Abort Task"},
{CTL_TASK_ABORT_TASK_SET, "Abort Task Set"},
{CTL_TASK_CLEAR_ACA, "Clear ACA"},
{CTL_TASK_CLEAR_TASK_SET, "Clear Task Set"},
{CTL_TASK_I_T_NEXUS_RESET, "I_T Nexus Reset"},
{CTL_TASK_LUN_RESET, "LUN Reset"},
{CTL_TASK_TARGET_RESET, "Target Reset"},
{CTL_TASK_BUS_RESET, "Bus Reset"},
{CTL_TASK_PORT_LOGIN, "Port Login"},
{CTL_TASK_PORT_LOGOUT, "Port Logout"}
};
void
ctl_scsi_tur(union ctl_io *io, ctl_tag_type tag_type, uint8_t control)
{
struct ctl_scsiio *ctsio;
struct scsi_test_unit_ready *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
ctsio = &io->scsiio;
cdb = (struct scsi_test_unit_ready *)ctsio->cdb;
cdb->opcode = TEST_UNIT_READY;
cdb->control = control;
io->io_hdr.flags = CTL_FLAG_DATA_NONE;
ctsio->tag_type = tag_type;
ctsio->cdb_len = sizeof(*cdb);
ctsio->ext_data_len = 0;
ctsio->ext_data_ptr = NULL;
ctsio->ext_sg_entries = 0;
ctsio->ext_data_filled = 0;
ctsio->sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_inquiry(union ctl_io *io, uint8_t *data_ptr, int32_t data_len,
uint8_t byte2, uint8_t page_code, ctl_tag_type tag_type,
uint8_t control)
{
struct ctl_scsiio *ctsio;
struct scsi_inquiry *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
ctsio = &io->scsiio;
cdb = (struct scsi_inquiry *)ctsio->cdb;
cdb->opcode = INQUIRY;
cdb->byte2 = byte2;
cdb->page_code = page_code;
cdb->control = control;
scsi_ulto2b(data_len, cdb->length);
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
ctsio->tag_type = tag_type;
ctsio->cdb_len = sizeof(*cdb);
ctsio->ext_data_len = data_len;
ctsio->ext_data_ptr = data_ptr;
ctsio->ext_sg_entries = 0;
ctsio->ext_data_filled = 0;
ctsio->sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_request_sense(union ctl_io *io, uint8_t *data_ptr,
int32_t data_len, uint8_t byte2, ctl_tag_type tag_type,
uint8_t control)
{
struct ctl_scsiio *ctsio;
struct scsi_request_sense *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
ctsio = &io->scsiio;
cdb = (struct scsi_request_sense *)ctsio->cdb;
cdb->opcode = REQUEST_SENSE;
cdb->byte2 = byte2;
cdb->control = control;
cdb->length = data_len;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
ctsio->tag_type = tag_type;
ctsio->cdb_len = sizeof(*cdb);
ctsio->ext_data_ptr = data_ptr;
ctsio->ext_data_len = data_len;
ctsio->ext_sg_entries = 0;
ctsio->ext_data_filled = 0;
ctsio->sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_report_luns(union ctl_io *io, uint8_t *data_ptr, uint32_t data_len,
uint8_t select_report, ctl_tag_type tag_type,
uint8_t control)
{
struct ctl_scsiio *ctsio;
struct scsi_report_luns *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
ctsio = &io->scsiio;
cdb = (struct scsi_report_luns *)ctsio->cdb;
cdb->opcode = REPORT_LUNS;
cdb->select_report = select_report;
scsi_ulto4b(data_len, cdb->length);
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
ctsio->tag_type = tag_type;
ctsio->cdb_len = sizeof(*cdb);
ctsio->ext_data_ptr = data_ptr;
ctsio->ext_data_len = data_len;
ctsio->ext_sg_entries = 0;
ctsio->ext_data_filled = 0;
ctsio->sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_read_write_buffer(union ctl_io *io, uint8_t *data_ptr,
uint32_t data_len, int read_buffer, uint8_t mode,
uint8_t buffer_id, uint32_t buffer_offset,
ctl_tag_type tag_type, uint8_t control)
{
struct ctl_scsiio *ctsio;
struct scsi_write_buffer *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
ctsio = &io->scsiio;
cdb = (struct scsi_write_buffer *)ctsio->cdb;
if (read_buffer != 0)
cdb->opcode = READ_BUFFER;
else
cdb->opcode = WRITE_BUFFER;
cdb->byte2 = mode & RWB_MODE;
cdb->buffer_id = buffer_id;
scsi_ulto3b(buffer_offset, cdb->offset);
scsi_ulto3b(data_len, cdb->length);
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
if (read_buffer != 0)
io->io_hdr.flags = CTL_FLAG_DATA_IN;
else
io->io_hdr.flags = CTL_FLAG_DATA_OUT;
ctsio->tag_type = tag_type;
ctsio->cdb_len = sizeof(*cdb);
ctsio->ext_data_ptr = data_ptr;
ctsio->ext_data_len = data_len;
ctsio->ext_sg_entries = 0;
ctsio->ext_data_filled = 0;
ctsio->sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_read_write(union ctl_io *io, uint8_t *data_ptr, uint32_t data_len,
int read_op, uint8_t byte2, int minimum_cdb_size,
uint64_t lba, uint32_t num_blocks, ctl_tag_type tag_type,
uint8_t control)
{
struct ctl_scsiio *ctsio;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
ctsio = &io->scsiio;
/*
* Pick out the smallest CDB that will hold the user's request.
* minimum_cdb_size allows cranking the CDB size up, even for
* requests that would not normally need a large CDB. This can be
* useful for testing (e.g. to make sure READ_16 support works without
* having an array larger than 2TB) and for compatibility -- e.g.
* if your device doesn't support READ_6. (ATAPI drives don't.)
*/
if ((minimum_cdb_size < 10)
&& ((lba & 0x1fffff) == lba)
&& ((num_blocks & 0xff) == num_blocks)
&& (byte2 == 0)) {
struct scsi_rw_6 *cdb;
/*
* Note that according to SBC-2, the target should return 256
* blocks if the transfer length in a READ(6) or WRITE(6) CDB
* is set to 0. Since it's possible that some targets
* won't do the right thing, we only send a READ(6) or
* WRITE(6) for transfer sizes up to and including 255 blocks.
*/
cdb = (struct scsi_rw_6 *)ctsio->cdb;
cdb->opcode = (read_op) ? READ_6 : WRITE_6;
scsi_ulto3b(lba, cdb->addr);
cdb->length = num_blocks & 0xff;
cdb->control = control;
ctsio->cdb_len = sizeof(*cdb);
} else if ((minimum_cdb_size < 12)
&& ((num_blocks & 0xffff) == num_blocks)
&& ((lba & 0xffffffff) == lba)) {
struct scsi_rw_10 *cdb;
cdb = (struct scsi_rw_10 *)ctsio->cdb;
cdb->opcode = (read_op) ? READ_10 : WRITE_10;
cdb->byte2 = byte2;
scsi_ulto4b(lba, cdb->addr);
cdb->reserved = 0;
scsi_ulto2b(num_blocks, cdb->length);
cdb->control = control;
ctsio->cdb_len = sizeof(*cdb);
} else if ((minimum_cdb_size < 16)
&& ((num_blocks & 0xffffffff) == num_blocks)
&& ((lba & 0xffffffff) == lba)) {
struct scsi_rw_12 *cdb;
cdb = (struct scsi_rw_12 *)ctsio->cdb;
cdb->opcode = (read_op) ? READ_12 : WRITE_12;
cdb->byte2 = byte2;
scsi_ulto4b(lba, cdb->addr);
scsi_ulto4b(num_blocks, cdb->length);
cdb->reserved = 0;
cdb->control = control;
ctsio->cdb_len = sizeof(*cdb);
} else {
struct scsi_rw_16 *cdb;
cdb = (struct scsi_rw_16 *)ctsio->cdb;
cdb->opcode = (read_op) ? READ_16 : WRITE_16;
cdb->byte2 = byte2;
scsi_u64to8b(lba, cdb->addr);
scsi_ulto4b(num_blocks, cdb->length);
cdb->reserved = 0;
cdb->control = control;
ctsio->cdb_len = sizeof(*cdb);
}
io->io_hdr.io_type = CTL_IO_SCSI;
if (read_op != 0)
io->io_hdr.flags = CTL_FLAG_DATA_IN;
else
io->io_hdr.flags = CTL_FLAG_DATA_OUT;
ctsio->tag_type = tag_type;
ctsio->ext_data_ptr = data_ptr;
ctsio->ext_data_len = data_len;
ctsio->ext_sg_entries = 0;
ctsio->ext_data_filled = 0;
ctsio->sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_write_same(union ctl_io *io, uint8_t *data_ptr, uint32_t data_len,
uint8_t byte2, uint64_t lba, uint32_t num_blocks,
ctl_tag_type tag_type, uint8_t control)
{
struct ctl_scsiio *ctsio;
struct scsi_write_same_16 *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
ctsio = &io->scsiio;
ctsio->cdb_len = sizeof(*cdb);
cdb = (struct scsi_write_same_16 *)ctsio->cdb;
cdb->opcode = WRITE_SAME_16;
cdb->byte2 = byte2;
scsi_u64to8b(lba, cdb->addr);
scsi_ulto4b(num_blocks, cdb->length);
cdb->group = 0;
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_OUT;
ctsio->tag_type = tag_type;
ctsio->ext_data_ptr = data_ptr;
ctsio->ext_data_len = data_len;
ctsio->ext_sg_entries = 0;
ctsio->ext_data_filled = 0;
ctsio->sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_read_capacity(union ctl_io *io, uint8_t *data_ptr, uint32_t data_len,
uint32_t addr, int reladr, int pmi,
ctl_tag_type tag_type, uint8_t control)
{
struct scsi_read_capacity *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
cdb = (struct scsi_read_capacity *)io->scsiio.cdb;
cdb->opcode = READ_CAPACITY;
if (reladr)
cdb->byte2 = SRC_RELADR;
if (pmi)
cdb->pmi = SRC_PMI;
scsi_ulto4b(addr, cdb->addr);
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = data_ptr;
io->scsiio.ext_data_len = data_len;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_read_capacity_16(union ctl_io *io, uint8_t *data_ptr,
uint32_t data_len, uint64_t addr, int reladr,
int pmi, ctl_tag_type tag_type, uint8_t control)
{
struct scsi_read_capacity_16 *cdb;
ctl_scsi_zero_io(io);
io->io_hdr.io_type = CTL_IO_SCSI;
cdb = (struct scsi_read_capacity_16 *)io->scsiio.cdb;
cdb->opcode = SERVICE_ACTION_IN;
cdb->service_action = SRC16_SERVICE_ACTION;
if (reladr)
cdb->reladr |= SRC16_RELADR;
if (pmi)
cdb->reladr |= SRC16_PMI;
scsi_u64to8b(addr, cdb->addr);
scsi_ulto4b(data_len, cdb->alloc_len);
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = data_ptr;
io->scsiio.ext_data_len = data_len;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_mode_sense(union ctl_io *io, uint8_t *data_ptr, uint32_t data_len,
int dbd, int llbaa, uint8_t page_code, uint8_t pc,
uint8_t subpage, int minimum_cdb_size,
ctl_tag_type tag_type, uint8_t control)
{
ctl_scsi_zero_io(io);
if ((minimum_cdb_size < 10)
&& (llbaa == 0)
&& (data_len < 256)) {
struct scsi_mode_sense_6 *cdb;
cdb = (struct scsi_mode_sense_6 *)io->scsiio.cdb;
cdb->opcode = MODE_SENSE_6;
if (dbd)
cdb->byte2 |= SMS_DBD;
cdb->page = page_code | pc;
cdb->subpage = subpage;
cdb->length = data_len;
cdb->control = control;
} else {
struct scsi_mode_sense_10 *cdb;
cdb = (struct scsi_mode_sense_10 *)io->scsiio.cdb;
cdb->opcode = MODE_SENSE_10;
if (dbd)
cdb->byte2 |= SMS_DBD;
if (llbaa)
cdb->byte2 |= SMS10_LLBAA;
cdb->page = page_code | pc;
cdb->subpage = subpage;
scsi_ulto2b(data_len, cdb->length);
cdb->control = control;
}
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = data_ptr;
io->scsiio.ext_data_len = data_len;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_start_stop(union ctl_io *io, int start, int load_eject, int immediate,
int power_conditions, int onoffline __unused,
ctl_tag_type tag_type, uint8_t control)
{
struct scsi_start_stop_unit *cdb;
cdb = (struct scsi_start_stop_unit *)io->scsiio.cdb;
ctl_scsi_zero_io(io);
cdb->opcode = START_STOP_UNIT;
if (immediate)
cdb->byte2 |= SSS_IMMED;
#ifdef NEEDTOPORT
if (onoffline)
cdb->byte2 |= SSS_ONOFFLINE;
#endif
cdb->how = power_conditions;
if (load_eject)
cdb->how |= SSS_LOEJ;
if (start)
cdb->how |= SSS_START;
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_NONE;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = NULL;
io->scsiio.ext_data_len = 0;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_sync_cache(union ctl_io *io, int immed, int reladr,
int minimum_cdb_size, uint64_t starting_lba,
uint32_t block_count, ctl_tag_type tag_type,
uint8_t control)
{
ctl_scsi_zero_io(io);
if ((minimum_cdb_size < 16)
&& ((block_count & 0xffff) == block_count)
&& ((starting_lba & 0xffffffff) == starting_lba)) {
struct scsi_sync_cache *cdb;
cdb = (struct scsi_sync_cache *)io->scsiio.cdb;
cdb->opcode = SYNCHRONIZE_CACHE;
if (reladr)
cdb->byte2 |= SSC_RELADR;
if (immed)
cdb->byte2 |= SSC_IMMED;
scsi_ulto4b(starting_lba, cdb->begin_lba);
scsi_ulto2b(block_count, cdb->lb_count);
cdb->control = control;
} else {
struct scsi_sync_cache_16 *cdb;
cdb = (struct scsi_sync_cache_16 *)io->scsiio.cdb;
cdb->opcode = SYNCHRONIZE_CACHE_16;
if (reladr)
cdb->byte2 |= SSC_RELADR;
if (immed)
cdb->byte2 |= SSC_IMMED;
scsi_u64to8b(starting_lba, cdb->begin_lba);
scsi_ulto4b(block_count, cdb->lb_count);
cdb->control = control;
}
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_NONE;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = NULL;
io->scsiio.ext_data_len = 0;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_persistent_res_in(union ctl_io *io, uint8_t *data_ptr,
uint32_t data_len, int action,
ctl_tag_type tag_type, uint8_t control)
{
struct scsi_per_res_in *cdb;
ctl_scsi_zero_io(io);
cdb = (struct scsi_per_res_in *)io->scsiio.cdb;
cdb->opcode = PERSISTENT_RES_IN;
cdb->action = action;
scsi_ulto2b(data_len, cdb->length);
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = data_ptr;
io->scsiio.ext_data_len = data_len;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_persistent_res_out(union ctl_io *io, uint8_t *data_ptr,
uint32_t data_len, int action, int type,
uint64_t key, uint64_t sa_key,
ctl_tag_type tag_type, uint8_t control)
{
struct scsi_per_res_out *cdb;
struct scsi_per_res_out_parms *params;
ctl_scsi_zero_io(io);
cdb = (struct scsi_per_res_out *)io->scsiio.cdb;
params = (struct scsi_per_res_out_parms *)data_ptr;
cdb->opcode = PERSISTENT_RES_OUT;
if (action == 5)
cdb->action = 6;
else
cdb->action = action;
switch(type)
{
case 0:
cdb->scope_type = 1;
break;
case 1:
cdb->scope_type = 3;
break;
case 2:
cdb->scope_type = 5;
break;
case 3:
cdb->scope_type = 6;
break;
case 4:
cdb->scope_type = 7;
break;
case 5:
cdb->scope_type = 8;
break;
}
scsi_ulto4b(data_len, cdb->length);
cdb->control = control;
scsi_u64to8b(key, params->res_key.key);
scsi_u64to8b(sa_key, params->serv_act_res_key);
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_OUT;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = data_ptr;
io->scsiio.ext_data_len = data_len;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
void
ctl_scsi_maintenance_in(union ctl_io *io, uint8_t *data_ptr, uint32_t data_len,
uint8_t action, ctl_tag_type tag_type, uint8_t control)
{
struct scsi_maintenance_in *cdb;
ctl_scsi_zero_io(io);
cdb = (struct scsi_maintenance_in *)io->scsiio.cdb;
cdb->opcode = MAINTENANCE_IN;
cdb->byte2 = action;
scsi_ulto4b(data_len, cdb->length);
cdb->control = control;
io->io_hdr.io_type = CTL_IO_SCSI;
io->io_hdr.flags = CTL_FLAG_DATA_IN;
io->scsiio.tag_type = tag_type;
io->scsiio.ext_data_ptr = data_ptr;
io->scsiio.ext_data_len = data_len;
io->scsiio.ext_sg_entries = 0;
io->scsiio.ext_data_filled = 0;
io->scsiio.sense_len = SSD_FULL_SIZE;
}
#ifndef _KERNEL
union ctl_io *
ctl_scsi_alloc_io(struct ctl_id initid)
{
union ctl_io *io;
io = (union ctl_io *)malloc(sizeof(*io));
if (io == NULL)
goto bailout;
io->io_hdr.nexus.initid = initid;
bailout:
return (io);
}
void
ctl_scsi_free_io(union ctl_io *io)
{
free(io);
}
#endif /* !_KERNEL */
void
ctl_scsi_zero_io(union ctl_io *io)
{
void *pool_ref;
if (io == NULL)
return;
pool_ref = io->io_hdr.pool;
memset(io, 0, sizeof(*io));
io->io_hdr.pool = pool_ref;
}
const char *
ctl_scsi_task_string(struct ctl_taskio *taskio)
{
unsigned int i;
for (i = 0; i < (sizeof(ctl_task_table)/sizeof(ctl_task_table[0]));
i++) {
if (taskio->task_action == ctl_task_table[i].task_action) {
return (ctl_task_table[i].description);
}
}
return (NULL);
}
void
ctl_io_error_sbuf(union ctl_io *io, struct scsi_inquiry_data *inq_data,
struct sbuf *sb)
{
struct ctl_status_desc *status_desc;
char path_str[64];
unsigned int i;
status_desc = NULL;
for (i = 0; i < (sizeof(ctl_status_table)/sizeof(ctl_status_table[0]));
i++) {
if ((io->io_hdr.status & CTL_STATUS_MASK) ==
ctl_status_table[i].status) {
status_desc = &ctl_status_table[i];
break;
}
}
ctl_scsi_path_string(io, path_str, sizeof(path_str));
switch (io->io_hdr.io_type) {
case CTL_IO_SCSI:
sbuf_cat(sb, path_str);
ctl_scsi_command_string(&io->scsiio, NULL, sb);
sbuf_printf(sb, "\n");
sbuf_printf(sb, "%sTag: 0x%04x, Type: %d\n", path_str,
io->scsiio.tag_num, io->scsiio.tag_type);
break;
case CTL_IO_TASK: {
const char *task_desc;
sbuf_cat(sb, path_str);
task_desc = ctl_scsi_task_string(&io->taskio);
if (task_desc == NULL)
sbuf_printf(sb, "Unknown Task Action %d (%#x)",
io->taskio.task_action,
io->taskio.task_action);
else
sbuf_printf(sb, "Task Action: %s", task_desc);
sbuf_printf(sb, "\n");
switch (io->taskio.task_action) {
case CTL_TASK_ABORT_TASK:
case CTL_TASK_ABORT_TASK_SET:
case CTL_TASK_CLEAR_TASK_SET:
sbuf_printf(sb, "%sTag: 0x%04x, Type: %d\n", path_str,
io->taskio.tag_num,
io->taskio.tag_type);
break;
default:
break;
}
break;
}
default:
break;
}
sbuf_cat(sb, path_str);
if (status_desc == NULL)
sbuf_printf(sb, "CTL Status: Unknown status %#x\n",
io->io_hdr.status);
else
sbuf_printf(sb, "CTL Status: %s\n", status_desc->description);
if ((io->io_hdr.io_type == CTL_IO_SCSI)
&& ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SCSI_ERROR)) {
sbuf_cat(sb, path_str);
sbuf_printf(sb, "SCSI Status: %s\n",
ctl_scsi_status_string(&io->scsiio));
if (io->scsiio.scsi_status == SCSI_STATUS_CHECK_COND)
ctl_scsi_sense_sbuf(&io->scsiio, inq_data,
sb, SSS_FLAG_NONE);
}
}
char *
ctl_io_error_string(union ctl_io *io, struct scsi_inquiry_data *inq_data,
char *str, int str_len)
{
struct sbuf sb;
sbuf_new(&sb, str, str_len, SBUF_FIXEDLEN);
ctl_io_error_sbuf(io, inq_data, &sb);
sbuf_finish(&sb);
return (sbuf_data(&sb));
}
#ifdef _KERNEL
void
ctl_io_error_print(union ctl_io *io, struct scsi_inquiry_data *inq_data)
{
char str[512];
#ifdef NEEDTOPORT
char *message;
char *line;
message = io_error_string(io, inq_data, str, sizeof(str));
for (line = strsep(&message, "\n"); line != NULL;
line = strsep(&message, "\n")) {
csevent_log(CSC_CTL | CSC_SHELF_SW | CTL_ERROR_REPORT,
csevent_LogType_Trace,
csevent_Severity_Information,
csevent_AlertLevel_Green,
csevent_FRU_Firmware,
csevent_FRU_Unknown, "%s", line);
}
#else
printf("%s", ctl_io_error_string(io, inq_data, str, sizeof(str)));
#endif
}
#else /* _KERNEL */
void
ctl_io_error_print(union ctl_io *io, struct scsi_inquiry_data *inq_data,
FILE *ofile)
{
char str[512];
fprintf(ofile, "%s", ctl_io_error_string(io, inq_data, str,
sizeof(str)));
}
#endif /* _KERNEL */
/*
* vim: ts=8
*/
Reference in New Issue View Git Blame Copy Permalink