/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2014-2021 Alexander Motin <mav@FreeBSD.org>
* 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, immediately at the beginning of the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, 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 DAMAGE.
*/
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/types.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/malloc.h>
#include <sys/conf.h>
#include <sys/queue.h>
#include <sys/sysctl.h>
#include <sys/nv.h>
#include <sys/dnv.h>
#include <machine/atomic.h>
#include <cam/cam.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_da.h>
#include <cam/ctl/ctl_io.h>
#include <cam/ctl/ctl.h>
#include <cam/ctl/ctl_frontend.h>
#include <cam/ctl/ctl_util.h>
#include <cam/ctl/ctl_backend.h>
#include <cam/ctl/ctl_ioctl.h>
#include <cam/ctl/ctl_ha.h>
#include <cam/ctl/ctl_private.h>
#include <cam/ctl/ctl_debug.h>
#include <cam/ctl/ctl_scsi_all.h>
#include <cam/ctl/ctl_tpc.h>
#include <cam/ctl/ctl_error.h>
#define TPC_MAX_CSCDS 64
#define TPC_MAX_SEGS 64
#define TPC_MAX_SEG 0
#define TPC_MAX_LIST 8192
#define TPC_MAX_INLINE 0
#define TPC_MAX_LISTS 255
#define TPC_MAX_IO_SIZE (8 * MIN(1024 * 1024, MAX(128 * 1024, maxphys)))
#define TPC_MAX_IOCHUNK_SIZE (TPC_MAX_IO_SIZE * 4)
#define TPC_MIN_TOKEN_TIMEOUT 1
#define TPC_DFL_TOKEN_TIMEOUT 60
#define TPC_MAX_TOKEN_TIMEOUT 600
MALLOC_DEFINE(M_CTL_TPC, "ctltpc", "CTL TPC");
typedef enum {
TPC_ERR_RETRY = 0x000,
TPC_ERR_FAIL = 0x001,
TPC_ERR_MASK = 0x0ff,
TPC_ERR_NO_DECREMENT = 0x100
} tpc_error_action;
struct tpc_list;
TAILQ_HEAD(runl, tpc_io);
struct tpc_io {
union ctl_io *io;
uint8_t target;
uint32_t cscd;
uint64_t lun;
uint8_t *buf;
struct tpc_list *list;
struct runl run;
TAILQ_ENTRY(tpc_io) rlinks;
TAILQ_ENTRY(tpc_io) links;
};
struct tpc_token {
uint8_t token[512];
uint64_t lun;
uint32_t blocksize;
uint8_t *params;
struct scsi_range_desc *range;
int nrange;
int active;
time_t last_active;
uint32_t timeout;
TAILQ_ENTRY(tpc_token) links;
};
struct tpc_list {
uint8_t service_action;
int init_port;
uint32_t init_idx;
uint32_t list_id;
uint8_t flags;
uint8_t *params;
struct scsi_ec_cscd *cscd;
struct scsi_ec_segment *seg[TPC_MAX_SEGS];
uint8_t *inl;
int ncscd;
int nseg;
int leninl;
struct tpc_token *token;
struct scsi_range_desc *range;
int nrange;
off_t offset_into_rod;
int curseg;
off_t cursectors;
off_t curbytes;
int curops;
int stage;
off_t segsectors;
off_t segbytes;
int tbdio;
int error;
int abort;
int completed;
time_t last_active;
TAILQ_HEAD(, tpc_io) allio;
struct scsi_sense_data fwd_sense_data;
uint8_t fwd_sense_len;
uint8_t fwd_scsi_status;
uint8_t fwd_target;
uint16_t fwd_cscd;
struct scsi_sense_data sense_data;
uint8_t sense_len;
uint8_t scsi_status;
struct ctl_scsiio *ctsio;
struct ctl_lun *lun;
int res_token_valid;
uint8_t res_token[512];
TAILQ_ENTRY(tpc_list) links;
};
static void
tpc_timeout(void *arg)
{
struct ctl_softc *softc = arg;
struct ctl_lun *lun;
struct tpc_token *token, *ttoken;
struct tpc_list *list, *tlist;
/* Free completed lists with expired timeout. */
STAILQ_FOREACH(lun, &softc->lun_list, links) {
mtx_lock(&lun->lun_lock);
TAILQ_FOREACH_SAFE(list, &lun->tpc_lists, links, tlist) {
if (!list->completed || time_uptime < list->last_active +
TPC_DFL_TOKEN_TIMEOUT)
continue;
TAILQ_REMOVE(&lun->tpc_lists, list, links);
free(list, M_CTL);
}
mtx_unlock(&lun->lun_lock);
}
/* Free inactive ROD tokens with expired timeout. */
mtx_lock(&softc->tpc_lock);
TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) {
if (token->active ||
time_uptime < token->last_active + token->timeout + 1)
continue;
TAILQ_REMOVE(&softc->tpc_tokens, token, links);
free(token->params, M_CTL);
free(token, M_CTL);
}
mtx_unlock(&softc->tpc_lock);
callout_schedule_sbt(&softc->tpc_timeout, SBT_1S, SBT_1S, 0);
}
void
ctl_tpc_init(struct ctl_softc *softc)
{
mtx_init(&softc->tpc_lock, "CTL TPC mutex", NULL, MTX_DEF);
TAILQ_INIT(&softc->tpc_tokens);
callout_init_mtx(&softc->tpc_timeout, &softc->ctl_lock, 0);
callout_reset_sbt(&softc->tpc_timeout, SBT_1S, SBT_1S,
tpc_timeout, softc, 0);
}
void
ctl_tpc_shutdown(struct ctl_softc *softc)
{
struct tpc_token *token;
callout_drain(&softc->tpc_timeout);
/* Free ROD tokens. */
mtx_lock(&softc->tpc_lock);
while ((token = TAILQ_FIRST(&softc->tpc_tokens)) != NULL) {
TAILQ_REMOVE(&softc->tpc_tokens, token, links);
free(token->params, M_CTL);
free(token, M_CTL);
}
mtx_unlock(&softc->tpc_lock);
mtx_destroy(&softc->tpc_lock);
}
void
ctl_tpc_lun_init(struct ctl_lun *lun)
{
TAILQ_INIT(&lun->tpc_lists);
}
void
ctl_tpc_lun_clear(struct ctl_lun *lun, uint32_t initidx)
{
struct tpc_list *list, *tlist;
TAILQ_FOREACH_SAFE(list, &lun->tpc_lists, links, tlist) {
if (initidx != -1 && list->init_idx != initidx)
continue;
if (!list->completed)
continue;
TAILQ_REMOVE(&lun->tpc_lists, list, links);
free(list, M_CTL);
}
}
void
ctl_tpc_lun_shutdown(struct ctl_lun *lun)
{
struct ctl_softc *softc = lun->ctl_softc;
struct tpc_list *list;
struct tpc_token *token, *ttoken;
/* Free lists for this LUN. */
while ((list = TAILQ_FIRST(&lun->tpc_lists)) != NULL) {
TAILQ_REMOVE(&lun->tpc_lists, list, links);
KASSERT(list->completed,
("Not completed TPC (%p) on shutdown", list));
free(list, M_CTL);
}
/* Free ROD tokens for this LUN. */
mtx_lock(&softc->tpc_lock);
TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) {
if (token->lun != lun->lun || token->active)
continue;
TAILQ_REMOVE(&softc->tpc_tokens, token, links);
free(token->params, M_CTL);
free(token, M_CTL);
}
mtx_unlock(&softc->tpc_lock);
}
int
ctl_inquiry_evpd_tpc(struct ctl_scsiio *ctsio, int alloc_len)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_vpd_tpc *tpc_ptr;
struct scsi_vpd_tpc_descriptor *d_ptr;
struct scsi_vpd_tpc_descriptor_bdrl *bdrl_ptr;
struct scsi_vpd_tpc_descriptor_sc *sc_ptr;
struct scsi_vpd_tpc_descriptor_sc_descr *scd_ptr;
struct scsi_vpd_tpc_descriptor_pd *pd_ptr;
struct scsi_vpd_tpc_descriptor_sd *sd_ptr;
struct scsi_vpd_tpc_descriptor_sdid *sdid_ptr;
struct scsi_vpd_tpc_descriptor_rtf *rtf_ptr;
struct scsi_vpd_tpc_descriptor_rtf_block *rtfb_ptr;
struct scsi_vpd_tpc_descriptor_srt *srt_ptr;
struct scsi_vpd_tpc_descriptor_srtd *srtd_ptr;
struct scsi_vpd_tpc_descriptor_gco *gco_ptr;
int data_len;
data_len = sizeof(struct scsi_vpd_tpc) +
sizeof(struct scsi_vpd_tpc_descriptor_bdrl) +
roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sc) +
2 * sizeof(struct scsi_vpd_tpc_descriptor_sc_descr) + 11, 4) +
sizeof(struct scsi_vpd_tpc_descriptor_pd) +
roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sd) + 4, 4) +
roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sdid) + 2, 4) +
sizeof(struct scsi_vpd_tpc_descriptor_rtf) +
sizeof(struct scsi_vpd_tpc_descriptor_rtf_block) +
sizeof(struct scsi_vpd_tpc_descriptor_srt) +
2*sizeof(struct scsi_vpd_tpc_descriptor_srtd) +
sizeof(struct scsi_vpd_tpc_descriptor_gco);
ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
tpc_ptr = (struct scsi_vpd_tpc *)ctsio->kern_data_ptr;
ctsio->kern_rel_offset = 0;
ctsio->kern_sg_entries = 0;
ctsio->kern_data_len = min(data_len, alloc_len);
ctsio->kern_total_len = ctsio->kern_data_len;
/*
* The control device is always connected. The disk device, on the
* other hand, may not be online all the time.
*/
if (lun != NULL)
tpc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
lun->be_lun->lun_type;
else
tpc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
tpc_ptr->page_code = SVPD_SCSI_TPC;
scsi_ulto2b(data_len - 4, tpc_ptr->page_length);
/* Block Device ROD Limits */
d_ptr = (struct scsi_vpd_tpc_descriptor *)&tpc_ptr->descr[0];
bdrl_ptr = (struct scsi_vpd_tpc_descriptor_bdrl *)d_ptr;
scsi_ulto2b(SVPD_TPC_BDRL, bdrl_ptr->desc_type);
scsi_ulto2b(sizeof(*bdrl_ptr) - 4, bdrl_ptr->desc_length);
scsi_ulto2b(TPC_MAX_SEGS, bdrl_ptr->maximum_ranges);
scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
bdrl_ptr->maximum_inactivity_timeout);
scsi_ulto4b(TPC_DFL_TOKEN_TIMEOUT,
bdrl_ptr->default_inactivity_timeout);
scsi_u64to8b(0, bdrl_ptr->maximum_token_transfer_size);
scsi_u64to8b(0, bdrl_ptr->optimal_transfer_count);
/* Supported commands */
d_ptr = (struct scsi_vpd_tpc_descriptor *)
(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
sc_ptr = (struct scsi_vpd_tpc_descriptor_sc *)d_ptr;
scsi_ulto2b(SVPD_TPC_SC, sc_ptr->desc_type);
sc_ptr->list_length = 2 * sizeof(*scd_ptr) + 11;
scsi_ulto2b(roundup2(1 + sc_ptr->list_length, 4), sc_ptr->desc_length);
scd_ptr = &sc_ptr->descr[0];
scd_ptr->opcode = EXTENDED_COPY;
scd_ptr->sa_length = 5;
scd_ptr->supported_service_actions[0] = EC_EC_LID1;
scd_ptr->supported_service_actions[1] = EC_EC_LID4;
scd_ptr->supported_service_actions[2] = EC_PT;
scd_ptr->supported_service_actions[3] = EC_WUT;
scd_ptr->supported_service_actions[4] = EC_COA;
scd_ptr = (struct scsi_vpd_tpc_descriptor_sc_descr *)
&scd_ptr->supported_service_actions[scd_ptr->sa_length];
scd_ptr->opcode = RECEIVE_COPY_STATUS;
scd_ptr->sa_length = 6;
scd_ptr->supported_service_actions[0] = RCS_RCS_LID1;
scd_ptr->supported_service_actions[1] = RCS_RCFD;
scd_ptr->supported_service_actions[2] = RCS_RCS_LID4;
scd_ptr->supported_service_actions[3] = RCS_RCOP;
scd_ptr->supported_service_actions[4] = RCS_RRTI;
scd_ptr->supported_service_actions[5] = RCS_RART;
/* Parameter data. */
d_ptr = (struct scsi_vpd_tpc_descriptor *)
(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
pd_ptr = (struct scsi_vpd_tpc_descriptor_pd *)d_ptr;
scsi_ulto2b(SVPD_TPC_PD, pd_ptr->desc_type);
scsi_ulto2b(sizeof(*pd_ptr) - 4, pd_ptr->desc_length);
scsi_ulto2b(TPC_MAX_CSCDS, pd_ptr->maximum_cscd_descriptor_count);
scsi_ulto2b(TPC_MAX_SEGS, pd_ptr->maximum_segment_descriptor_count);
scsi_ulto4b(TPC_MAX_LIST, pd_ptr->maximum_descriptor_list_length);
scsi_ulto4b(TPC_MAX_INLINE, pd_ptr->maximum_inline_data_length);
/* Supported Descriptors */
d_ptr = (struct scsi_vpd_tpc_descriptor *)
(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
sd_ptr = (struct scsi_vpd_tpc_descriptor_sd *)d_ptr;
scsi_ulto2b(SVPD_TPC_SD, sd_ptr->desc_type);
scsi_ulto2b(roundup2(sizeof(*sd_ptr) - 4 + 4, 4), sd_ptr->desc_length);
sd_ptr->list_length = 4;
sd_ptr->supported_descriptor_codes[0] = EC_SEG_B2B;
sd_ptr->supported_descriptor_codes[1] = EC_SEG_VERIFY;
sd_ptr->supported_descriptor_codes[2] = EC_SEG_REGISTER_KEY;
sd_ptr->supported_descriptor_codes[3] = EC_CSCD_ID;
/* Supported CSCD Descriptor IDs */
d_ptr = (struct scsi_vpd_tpc_descriptor *)
(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
sdid_ptr = (struct scsi_vpd_tpc_descriptor_sdid *)d_ptr;
scsi_ulto2b(SVPD_TPC_SDID, sdid_ptr->desc_type);
scsi_ulto2b(roundup2(sizeof(*sdid_ptr) - 4 + 2, 4), sdid_ptr->desc_length);
scsi_ulto2b(2, sdid_ptr->list_length);
scsi_ulto2b(0xffff, &sdid_ptr->supported_descriptor_ids[0]);
/* ROD Token Features */
d_ptr = (struct scsi_vpd_tpc_descriptor *)
(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
rtf_ptr = (struct scsi_vpd_tpc_descriptor_rtf *)d_ptr;
scsi_ulto2b(SVPD_TPC_RTF, rtf_ptr->desc_type);
scsi_ulto2b(sizeof(*rtf_ptr) - 4 + sizeof(*rtfb_ptr), rtf_ptr->desc_length);
rtf_ptr->remote_tokens = 0;
scsi_ulto4b(TPC_MIN_TOKEN_TIMEOUT, rtf_ptr->minimum_token_lifetime);
scsi_ulto4b(UINT32_MAX, rtf_ptr->maximum_token_lifetime);
scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
rtf_ptr->maximum_token_inactivity_timeout);
scsi_ulto2b(sizeof(*rtfb_ptr), rtf_ptr->type_specific_features_length);
rtfb_ptr = (struct scsi_vpd_tpc_descriptor_rtf_block *)
&rtf_ptr->type_specific_features;
rtfb_ptr->type_format = SVPD_TPC_RTF_BLOCK;
scsi_ulto2b(sizeof(*rtfb_ptr) - 4, rtfb_ptr->desc_length);
scsi_ulto2b(0, rtfb_ptr->optimal_length_granularity);
scsi_u64to8b(0, rtfb_ptr->maximum_bytes);
scsi_u64to8b(0, rtfb_ptr->optimal_bytes);
scsi_u64to8b(UINT64_MAX, rtfb_ptr->optimal_bytes_to_token_per_segment);
scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE,
rtfb_ptr->optimal_bytes_from_token_per_segment);
/* Supported ROD Tokens */
d_ptr = (struct scsi_vpd_tpc_descriptor *)
(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
srt_ptr = (struct scsi_vpd_tpc_descriptor_srt *)d_ptr;
scsi_ulto2b(SVPD_TPC_SRT, srt_ptr->desc_type);
scsi_ulto2b(sizeof(*srt_ptr) - 4 + 2*sizeof(*srtd_ptr), srt_ptr->desc_length);
scsi_ulto2b(2*sizeof(*srtd_ptr), srt_ptr->rod_type_descriptors_length);
srtd_ptr = (struct scsi_vpd_tpc_descriptor_srtd *)
&srt_ptr->rod_type_descriptors;
scsi_ulto4b(ROD_TYPE_AUR, srtd_ptr->rod_type);
srtd_ptr->flags = SVPD_TPC_SRTD_TIN | SVPD_TPC_SRTD_TOUT;
scsi_ulto2b(0, srtd_ptr->preference_indicator);
srtd_ptr++;
scsi_ulto4b(ROD_TYPE_BLOCK_ZERO, srtd_ptr->rod_type);
srtd_ptr->flags = SVPD_TPC_SRTD_TIN;
scsi_ulto2b(0, srtd_ptr->preference_indicator);
/* General Copy Operations */
d_ptr = (struct scsi_vpd_tpc_descriptor *)
(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
gco_ptr = (struct scsi_vpd_tpc_descriptor_gco *)d_ptr;
scsi_ulto2b(SVPD_TPC_GCO, gco_ptr->desc_type);
scsi_ulto2b(sizeof(*gco_ptr) - 4, gco_ptr->desc_length);
scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->total_concurrent_copies);
scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->maximum_identified_concurrent_copies);
scsi_ulto4b(TPC_MAX_SEG, gco_ptr->maximum_segment_length);
gco_ptr->data_segment_granularity = 0;
gco_ptr->inline_data_granularity = 0;
ctl_set_success(ctsio);
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
int
ctl_receive_copy_operating_parameters(struct ctl_scsiio *ctsio)
{
struct scsi_receive_copy_operating_parameters *cdb;
struct scsi_receive_copy_operating_parameters_data *data;
int retval;
int alloc_len, total_len;
CTL_DEBUG_PRINT(("ctl_report_supported_tmf\n"));
cdb = (struct scsi_receive_copy_operating_parameters *)ctsio->cdb;
retval = CTL_RETVAL_COMPLETE;
total_len = sizeof(*data) + 4;
alloc_len = scsi_4btoul(cdb->length);
ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
ctsio->kern_sg_entries = 0;
ctsio->kern_rel_offset = 0;
ctsio->kern_data_len = min(total_len, alloc_len);
ctsio->kern_total_len = ctsio->kern_data_len;
data = (struct scsi_receive_copy_operating_parameters_data *)ctsio->kern_data_ptr;
scsi_ulto4b(sizeof(*data) - 4 + 4, data->length);
data->snlid = RCOP_SNLID;
scsi_ulto2b(TPC_MAX_CSCDS, data->maximum_cscd_descriptor_count);
scsi_ulto2b(TPC_MAX_SEGS, data->maximum_segment_descriptor_count);
scsi_ulto4b(TPC_MAX_LIST, data->maximum_descriptor_list_length);
scsi_ulto4b(TPC_MAX_SEG, data->maximum_segment_length);
scsi_ulto4b(TPC_MAX_INLINE, data->maximum_inline_data_length);
scsi_ulto4b(0, data->held_data_limit);
scsi_ulto4b(0, data->maximum_stream_device_transfer_size);
scsi_ulto2b(TPC_MAX_LISTS, data->total_concurrent_copies);
data->maximum_concurrent_copies = TPC_MAX_LISTS;
data->data_segment_granularity = 0;
data->inline_data_granularity = 0;
data->held_data_granularity = 0;
data->implemented_descriptor_list_length = 4;
data->list_of_implemented_descriptor_type_codes[0] = EC_SEG_B2B;
data->list_of_implemented_descriptor_type_codes[1] = EC_SEG_VERIFY;
data->list_of_implemented_descriptor_type_codes[2] = EC_SEG_REGISTER_KEY;
data->list_of_implemented_descriptor_type_codes[3] = EC_CSCD_ID;
ctl_set_success(ctsio);
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (retval);
}
static struct tpc_list *
tpc_find_list(struct ctl_lun *lun, uint32_t list_id, uint32_t init_idx)
{
struct tpc_list *list;
mtx_assert(&lun->lun_lock, MA_OWNED);
TAILQ_FOREACH(list, &lun->tpc_lists, links) {
if ((list->flags & EC_LIST_ID_USAGE_MASK) !=
EC_LIST_ID_USAGE_NONE && list->list_id == list_id &&
list->init_idx == init_idx)
break;
}
return (list);
}
int
ctl_receive_copy_status_lid1(struct ctl_scsiio *ctsio)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_receive_copy_status_lid1 *cdb;
struct scsi_receive_copy_status_lid1_data *data;
struct tpc_list *list;
struct tpc_list list_copy;
int retval;
int alloc_len, total_len;
uint32_t list_id;
CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid1\n"));
cdb = (struct scsi_receive_copy_status_lid1 *)ctsio->cdb;
retval = CTL_RETVAL_COMPLETE;
list_id = cdb->list_identifier;
mtx_lock(&lun->lun_lock);
list = tpc_find_list(lun, list_id,
ctl_get_initindex(&ctsio->io_hdr.nexus));
if (list == NULL) {
mtx_unlock(&lun->lun_lock);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
/*bit*/ 0);
ctl_done((union ctl_io *)ctsio);
return (retval);
}
list_copy = *list;
if (list->completed) {
TAILQ_REMOVE(&lun->tpc_lists, list, links);
free(list, M_CTL);
}
mtx_unlock(&lun->lun_lock);
total_len = sizeof(*data);
alloc_len = scsi_4btoul(cdb->length);
ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
ctsio->kern_sg_entries = 0;
ctsio->kern_rel_offset = 0;
ctsio->kern_data_len = min(total_len, alloc_len);
ctsio->kern_total_len = ctsio->kern_data_len;
data = (struct scsi_receive_copy_status_lid1_data *)ctsio->kern_data_ptr;
scsi_ulto4b(sizeof(*data) - 4, data->available_data);
if (list_copy.completed) {
if (list_copy.error || list_copy.abort)
data->copy_command_status = RCS_CCS_ERROR;
else
data->copy_command_status = RCS_CCS_COMPLETED;
} else
data->copy_command_status = RCS_CCS_INPROG;
scsi_ulto2b(list_copy.curseg, data->segments_processed);
if (list_copy.curbytes <= UINT32_MAX) {
data->transfer_count_units = RCS_TC_BYTES;
scsi_ulto4b(list_copy.curbytes, data->transfer_count);
} else {
data->transfer_count_units = RCS_TC_MBYTES;
scsi_ulto4b(list_copy.curbytes >> 20, data->transfer_count);
}
ctl_set_success(ctsio);
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (retval);
}
int
ctl_receive_copy_failure_details(struct ctl_scsiio *ctsio)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_receive_copy_failure_details *cdb;
struct scsi_receive_copy_failure_details_data *data;
struct tpc_list *list;
struct tpc_list list_copy;
int retval;
int alloc_len, total_len;
uint32_t list_id;
CTL_DEBUG_PRINT(("ctl_receive_copy_failure_details\n"));
cdb = (struct scsi_receive_copy_failure_details *)ctsio->cdb;
retval = CTL_RETVAL_COMPLETE;
list_id = cdb->list_identifier;
mtx_lock(&lun->lun_lock);
list = tpc_find_list(lun, list_id,
ctl_get_initindex(&ctsio->io_hdr.nexus));
if (list == NULL || !list->completed) {
mtx_unlock(&lun->lun_lock);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
/*bit*/ 0);
ctl_done((union ctl_io *)ctsio);
return (retval);
}
list_copy = *list;
TAILQ_REMOVE(&lun->tpc_lists, list, links);
free(list, M_CTL);
mtx_unlock(&lun->lun_lock);
total_len = sizeof(*data) + list_copy.sense_len;
alloc_len = scsi_4btoul(cdb->length);
ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
ctsio->kern_sg_entries = 0;
ctsio->kern_rel_offset = 0;
ctsio->kern_data_len = min(total_len, alloc_len);
ctsio->kern_total_len = ctsio->kern_data_len;
data = (struct scsi_receive_copy_failure_details_data *)ctsio->kern_data_ptr;
if (list_copy.completed && (list_copy.error || list_copy.abort)) {
scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len,
data->available_data);
data->copy_command_status = RCS_CCS_ERROR;
} else
scsi_ulto4b(0, data->available_data);
scsi_ulto2b(list_copy.sense_len, data->sense_data_length);
memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
ctl_set_success(ctsio);
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (retval);
}
int
ctl_receive_copy_status_lid4(struct ctl_scsiio *ctsio)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_receive_copy_status_lid4 *cdb;
struct scsi_receive_copy_status_lid4_data *data;
struct tpc_list *list;
struct tpc_list list_copy;
int retval;
int alloc_len, total_len;
uint32_t list_id;
CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid4\n"));
cdb = (struct scsi_receive_copy_status_lid4 *)ctsio->cdb;
retval = CTL_RETVAL_COMPLETE;
list_id = scsi_4btoul(cdb->list_identifier);
mtx_lock(&lun->lun_lock);
list = tpc_find_list(lun, list_id,
ctl_get_initindex(&ctsio->io_hdr.nexus));
if (list == NULL) {
mtx_unlock(&lun->lun_lock);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
/*bit*/ 0);
ctl_done((union ctl_io *)ctsio);
return (retval);
}
list_copy = *list;
if (list->completed) {
TAILQ_REMOVE(&lun->tpc_lists, list, links);
free(list, M_CTL);
}
mtx_unlock(&lun->lun_lock);
total_len = sizeof(*data) + list_copy.sense_len;
alloc_len = scsi_4btoul(cdb->length);
ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
ctsio->kern_sg_entries = 0;
ctsio->kern_rel_offset = 0;
ctsio->kern_data_len = min(total_len, alloc_len);
ctsio->kern_total_len = ctsio->kern_data_len;
data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr;
scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len,
data->available_data);
data->response_to_service_action = list_copy.service_action;
if (list_copy.completed) {
if (list_copy.error)
data->copy_command_status = RCS_CCS_ERROR;
else if (list_copy.abort)
data->copy_command_status = RCS_CCS_ABORTED;
else
data->copy_command_status = RCS_CCS_COMPLETED;
} else
data->copy_command_status = RCS_CCS_INPROG_FG;
scsi_ulto2b(list_copy.curops, data->operation_counter);
scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay);
data->transfer_count_units = RCS_TC_BYTES;
scsi_u64to8b(list_copy.curbytes, data->transfer_count);
scsi_ulto2b(list_copy.curseg, data->segments_processed);
data->length_of_the_sense_data_field = list_copy.sense_len;
data->sense_data_length = list_copy.sense_len;
memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
ctl_set_success(ctsio);
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (retval);
}
int
ctl_copy_operation_abort(struct ctl_scsiio *ctsio)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_copy_operation_abort *cdb;
struct tpc_list *list;
int retval;
uint32_t list_id;
CTL_DEBUG_PRINT(("ctl_copy_operation_abort\n"));
cdb = (struct scsi_copy_operation_abort *)ctsio->cdb;
retval = CTL_RETVAL_COMPLETE;
list_id = scsi_4btoul(cdb->list_identifier);
mtx_lock(&lun->lun_lock);
list = tpc_find_list(lun, list_id,
ctl_get_initindex(&ctsio->io_hdr.nexus));
if (list == NULL) {
mtx_unlock(&lun->lun_lock);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
/*bit*/ 0);
ctl_done((union ctl_io *)ctsio);
return (retval);
}
list->abort = 1;
mtx_unlock(&lun->lun_lock);
ctl_set_success(ctsio);
ctl_done((union ctl_io *)ctsio);
return (retval);
}
static uint64_t
tpc_resolve(struct tpc_list *list, uint16_t idx, uint32_t *ss,
uint32_t *pb, uint32_t *pbo)
{
if (idx == 0xffff) {
if (ss)
*ss = list->lun->be_lun->blocksize;
if (pb)
*pb = list->lun->be_lun->blocksize <<
list->lun->be_lun->pblockexp;
if (pbo)
*pbo = list->lun->be_lun->blocksize *
list->lun->be_lun->pblockoff;
return (list->lun->lun);
}
if (idx >= list->ncscd)
return (UINT64_MAX);
return (tpcl_resolve(list->lun->ctl_softc,
list->init_port, &list->cscd[idx], ss, pb, pbo));
}
static void
tpc_set_io_error_sense(struct tpc_list *list)
{
int flen;
uint8_t csi[4];
uint8_t sks[3];
uint8_t fbuf[4 + 64];
scsi_ulto4b(list->curseg, csi);
if (list->fwd_cscd <= 0x07ff) {
sks[0] = SSD_SKS_SEGMENT_VALID;
scsi_ulto2b((uint8_t *)&list->cscd[list->fwd_cscd] -
list->params, &sks[1]);
} else
sks[0] = 0;
if (list->fwd_scsi_status) {
fbuf[0] = 0x0c;
fbuf[2] = list->fwd_target;
flen = list->fwd_sense_len;
if (flen > 64) {
flen = 64;
fbuf[2] |= SSD_FORWARDED_FSDT;
}
fbuf[1] = 2 + flen;
fbuf[3] = list->fwd_scsi_status;
bcopy(&list->fwd_sense_data, &fbuf[4], flen);
flen += 4;
} else
flen = 0;
ctl_set_sense(list->ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_COPY_ABORTED,
/*asc*/ 0x0d, /*ascq*/ 0x01,
SSD_ELEM_COMMAND, sizeof(csi), csi,
sks[0] ? SSD_ELEM_SKS : SSD_ELEM_SKIP, sizeof(sks), sks,
flen ? SSD_ELEM_DESC : SSD_ELEM_SKIP, flen, fbuf,
SSD_ELEM_NONE);
}
static int
tpc_process_b2b(struct tpc_list *list)
{
struct scsi_ec_segment_b2b *seg;
struct scsi_ec_cscd_dtsp *sdstp, *ddstp;
struct tpc_io *tior, *tiow;
struct runl run;
uint64_t sl, dl;
off_t srclba, dstlba, numbytes, donebytes, roundbytes;
int numlba;
uint32_t srcblock, dstblock, pb, pbo, adj;
uint16_t scscd, dcscd;
uint8_t csi[4];
scsi_ulto4b(list->curseg, csi);
if (list->stage == 1) {
while ((tior = TAILQ_FIRST(&list->allio)) != NULL) {
TAILQ_REMOVE(&list->allio, tior, links);
ctl_free_io(tior->io);
free(tior->buf, M_CTL);
free(tior, M_CTL);
}
if (list->abort) {
ctl_set_task_aborted(list->ctsio);
return (CTL_RETVAL_ERROR);
} else if (list->error) {
tpc_set_io_error_sense(list);
return (CTL_RETVAL_ERROR);
}
list->cursectors += list->segsectors;
list->curbytes += list->segbytes;
return (CTL_RETVAL_COMPLETE);
}
TAILQ_INIT(&list->allio);
seg = (struct scsi_ec_segment_b2b *)list->seg[list->curseg];
scscd = scsi_2btoul(seg->src_cscd);
dcscd = scsi_2btoul(seg->dst_cscd);
sl = tpc_resolve(list, scscd, &srcblock, NULL, NULL);
dl = tpc_resolve(list, dcscd, &dstblock, &pb, &pbo);
if (sl == UINT64_MAX || dl == UINT64_MAX) {
ctl_set_sense(list->ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_COPY_ABORTED,
/*asc*/ 0x08, /*ascq*/ 0x04,
SSD_ELEM_COMMAND, sizeof(csi), csi,
SSD_ELEM_NONE);
return (CTL_RETVAL_ERROR);
}
if (pbo > 0)
pbo = pb - pbo;
sdstp = &list->cscd[scscd].dtsp;
if (scsi_3btoul(sdstp->block_length) != 0)
srcblock = scsi_3btoul(sdstp->block_length);
ddstp = &list->cscd[dcscd].dtsp;
if (scsi_3btoul(ddstp->block_length) != 0)
dstblock = scsi_3btoul(ddstp->block_length);
numlba = scsi_2btoul(seg->number_of_blocks);
if (seg->flags & EC_SEG_DC)
numbytes = (off_t)numlba * dstblock;
else
numbytes = (off_t)numlba * srcblock;
srclba = scsi_8btou64(seg->src_lba);
dstlba = scsi_8btou64(seg->dst_lba);
// printf("Copy %ju bytes from %ju @ %ju to %ju @ %ju\n",
// (uintmax_t)numbytes, sl, scsi_8btou64(seg->src_lba),
// dl, scsi_8btou64(seg->dst_lba));
if (numbytes == 0)
return (CTL_RETVAL_COMPLETE);
if (numbytes % srcblock != 0 || numbytes % dstblock != 0) {
ctl_set_sense(list->ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_COPY_ABORTED,
/*asc*/ 0x26, /*ascq*/ 0x0A,
SSD_ELEM_COMMAND, sizeof(csi), csi,
SSD_ELEM_NONE);
return (CTL_RETVAL_ERROR);
}
list->segbytes = numbytes;
list->segsectors = numbytes / dstblock;
donebytes = 0;
TAILQ_INIT(&run);
list->tbdio = 0;
while (donebytes < numbytes) {
roundbytes = numbytes - donebytes;
if (roundbytes > TPC_MAX_IO_SIZE) {
roundbytes = TPC_MAX_IO_SIZE;
roundbytes -= roundbytes % dstblock;
if (pb > dstblock) {
adj = (dstlba * dstblock + roundbytes - pbo) % pb;
if (roundbytes > adj)
roundbytes -= adj;
}
}
tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
TAILQ_INIT(&tior->run);
tior->buf = malloc(roundbytes, M_CTL, M_WAITOK);
tior->list = list;
TAILQ_INSERT_TAIL(&list->allio, tior, links);
tior->io = tpcl_alloc_io();
ctl_scsi_read_write(tior->io,
/*data_ptr*/ tior->buf,
/*data_len*/ roundbytes,
/*read_op*/ 1,
/*byte2*/ 0,
/*minimum_cdb_size*/ 0,
/*lba*/ srclba,
/*num_blocks*/ roundbytes / srcblock,
/*tag_type*/ CTL_TAG_SIMPLE,
/*control*/ 0);
tior->io->io_hdr.retries = 3;
tior->target = SSD_FORWARDED_SDS_EXSRC;
tior->cscd = scscd;
tior->lun = sl;
tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
tiow = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
TAILQ_INIT(&tiow->run);
tiow->list = list;
TAILQ_INSERT_TAIL(&list->allio, tiow, links);
tiow->io = tpcl_alloc_io();
ctl_scsi_read_write(tiow->io,
/*data_ptr*/ tior->buf,
/*data_len*/ roundbytes,
/*read_op*/ 0,
/*byte2*/ 0,
/*minimum_cdb_size*/ 0,
/*lba*/ dstlba,
/*num_blocks*/ roundbytes / dstblock,
/*tag_type*/ CTL_TAG_SIMPLE,
/*control*/ 0);
tiow->io->io_hdr.retries = 3;
tiow->target = SSD_FORWARDED_SDS_EXDST;
tiow->cscd = dcscd;
tiow->lun = dl;
tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow;
TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks);
TAILQ_INSERT_TAIL(&run, tior, rlinks);
list->tbdio++;
donebytes += roundbytes;
srclba += roundbytes / srcblock;
dstlba += roundbytes / dstblock;
}
while ((tior = TAILQ_FIRST(&run)) != NULL) {
TAILQ_REMOVE(&run, tior, rlinks);
if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
panic("tpcl_queue() error");
}
list->stage++;
return (CTL_RETVAL_QUEUED);
}
static int
tpc_process_verify(struct tpc_list *list)
{
struct scsi_ec_segment_verify *seg;
struct tpc_io *tio;
uint64_t sl;
uint16_t cscd;
uint8_t csi[4];
scsi_ulto4b(list->curseg, csi);
if (list->stage == 1) {
while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
TAILQ_REMOVE(&list->allio, tio, links);
ctl_free_io(tio->io);
free(tio, M_CTL);
}
if (list->abort) {
ctl_set_task_aborted(list->ctsio);
return (CTL_RETVAL_ERROR);
} else if (list->error) {
tpc_set_io_error_sense(list);
return (CTL_RETVAL_ERROR);
} else
return (CTL_RETVAL_COMPLETE);
}
TAILQ_INIT(&list->allio);
seg = (struct scsi_ec_segment_verify *)list->seg[list->curseg];
cscd = scsi_2btoul(seg->src_cscd);
sl = tpc_resolve(list, cscd, NULL, NULL, NULL);
if (sl == UINT64_MAX) {
ctl_set_sense(list->ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_COPY_ABORTED,
/*asc*/ 0x08, /*ascq*/ 0x04,
SSD_ELEM_COMMAND, sizeof(csi), csi,
SSD_ELEM_NONE);
return (CTL_RETVAL_ERROR);
}
// printf("Verify %ju\n", sl);
if ((seg->tur & 0x01) == 0)
return (CTL_RETVAL_COMPLETE);
list->tbdio = 1;
tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO);
TAILQ_INIT(&tio->run);
tio->list = list;
TAILQ_INSERT_TAIL(&list->allio, tio, links);
tio->io = tpcl_alloc_io();
ctl_scsi_tur(tio->io, /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0);
tio->io->io_hdr.retries = 3;
tio->target = SSD_FORWARDED_SDS_EXSRC;
tio->cscd = cscd;
tio->lun = sl;
tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio;
list->stage++;
if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE)
panic("tpcl_queue() error");
return (CTL_RETVAL_QUEUED);
}
static int
tpc_process_register_key(struct tpc_list *list)
{
struct scsi_ec_segment_register_key *seg;
struct tpc_io *tio;
uint64_t dl;
int datalen;
uint16_t cscd;
uint8_t csi[4];
scsi_ulto4b(list->curseg, csi);
if (list->stage == 1) {
while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
TAILQ_REMOVE(&list->allio, tio, links);
ctl_free_io(tio->io);
free(tio->buf, M_CTL);
free(tio, M_CTL);
}
if (list->abort) {
ctl_set_task_aborted(list->ctsio);
return (CTL_RETVAL_ERROR);
} else if (list->error) {
tpc_set_io_error_sense(list);
return (CTL_RETVAL_ERROR);
} else
return (CTL_RETVAL_COMPLETE);
}
TAILQ_INIT(&list->allio);
seg = (struct scsi_ec_segment_register_key *)list->seg[list->curseg];
cscd = scsi_2btoul(seg->dst_cscd);
dl = tpc_resolve(list, cscd, NULL, NULL, NULL);
if (dl == UINT64_MAX) {
ctl_set_sense(list->ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_COPY_ABORTED,
/*asc*/ 0x08, /*ascq*/ 0x04,
SSD_ELEM_COMMAND, sizeof(csi), csi,
SSD_ELEM_NONE);
return (CTL_RETVAL_ERROR);
}
// printf("Register Key %ju\n", dl);
list->tbdio = 1;
tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO);
TAILQ_INIT(&tio->run);
tio->list = list;
TAILQ_INSERT_TAIL(&list->allio, tio, links);
tio->io = tpcl_alloc_io();
datalen = sizeof(struct scsi_per_res_out_parms);
tio->buf = malloc(datalen, M_CTL, M_WAITOK);
ctl_scsi_persistent_res_out(tio->io,
tio->buf, datalen, SPRO_REGISTER, -1,
scsi_8btou64(seg->res_key), scsi_8btou64(seg->sa_res_key),
/*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0);
tio->io->io_hdr.retries = 3;
tio->target = SSD_FORWARDED_SDS_EXDST;
tio->cscd = cscd;
tio->lun = dl;
tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio;
list->stage++;
if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE)
panic("tpcl_queue() error");
return (CTL_RETVAL_QUEUED);
}
static off_t
tpc_ranges_length(struct scsi_range_desc *range, int nrange)
{
off_t length = 0;
int r;
for (r = 0; r < nrange; r++)
length += scsi_4btoul(range[r].length);
return (length);
}
static int
tpc_check_ranges_l(struct scsi_range_desc *range, int nrange, uint64_t maxlba,
uint64_t *lba)
{
uint64_t b1;
uint32_t l1;
int i;
for (i = 0; i < nrange; i++) {
b1 = scsi_8btou64(range[i].lba);
l1 = scsi_4btoul(range[i].length);
if (b1 + l1 < b1 || b1 + l1 > maxlba + 1) {
*lba = MAX(b1, maxlba + 1);
return (-1);
}
}
return (0);
}
static int
tpc_check_ranges_x(struct scsi_range_desc *range, int nrange)
{
uint64_t b1, b2;
uint32_t l1, l2;
int i, j;
for (i = 0; i < nrange - 1; i++) {
b1 = scsi_8btou64(range[i].lba);
l1 = scsi_4btoul(range[i].length);
for (j = i + 1; j < nrange; j++) {
b2 = scsi_8btou64(range[j].lba);
l2 = scsi_4btoul(range[j].length);
if (b1 + l1 > b2 && b2 + l2 > b1)
return (-1);
}
}
return (0);
}
static int
tpc_skip_ranges(struct scsi_range_desc *range, int nrange, off_t skip,
int *srange, off_t *soffset)
{
off_t off;
int r;
r = 0;
off = 0;
while (r < nrange) {
if (skip - off < scsi_4btoul(range[r].length)) {
*srange = r;
*soffset = skip - off;
return (0);
}
off += scsi_4btoul(range[r].length);
r++;
}
return (-1);
}
static int
tpc_process_wut(struct tpc_list *list)
{
struct tpc_io *tio, *tior, *tiow;
struct runl run;
int drange, srange;
off_t doffset, soffset;
off_t srclba, dstlba, numbytes, donebytes, roundbytes;
uint32_t srcblock, dstblock, pb, pbo, adj;
if (list->stage > 0) {
/* Cleanup after previous rounds. */
while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
TAILQ_REMOVE(&list->allio, tio, links);
ctl_free_io(tio->io);
free(tio->buf, M_CTL);
free(tio, M_CTL);
}
if (list->abort) {
ctl_set_task_aborted(list->ctsio);
return (CTL_RETVAL_ERROR);
} else if (list->error) {
if (list->fwd_scsi_status) {
list->ctsio->io_hdr.status =
CTL_SCSI_ERROR | CTL_AUTOSENSE;
list->ctsio->scsi_status = list->fwd_scsi_status;
list->ctsio->sense_data = list->fwd_sense_data;
list->ctsio->sense_len = list->fwd_sense_len;
} else {
ctl_set_invalid_field(list->ctsio,
/*sks_valid*/ 0, /*command*/ 0,
/*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0);
}
return (CTL_RETVAL_ERROR);
}
list->cursectors += list->segsectors;
list->curbytes += list->segbytes;
}
/* Check where we are on destination ranges list. */
if (tpc_skip_ranges(list->range, list->nrange, list->cursectors,
&drange, &doffset) != 0)
return (CTL_RETVAL_COMPLETE);
dstblock = list->lun->be_lun->blocksize;
pb = dstblock << list->lun->be_lun->pblockexp;
if (list->lun->be_lun->pblockoff > 0)
pbo = pb - dstblock * list->lun->be_lun->pblockoff;
else
pbo = 0;
/* Check where we are on source ranges list. */
srcblock = list->token->blocksize;
if (tpc_skip_ranges(list->token->range, list->token->nrange,
list->offset_into_rod + list->cursectors * dstblock / srcblock,
&srange, &soffset) != 0) {
ctl_set_invalid_field(list->ctsio, /*sks_valid*/ 0,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0);
return (CTL_RETVAL_ERROR);
}
srclba = scsi_8btou64(list->token->range[srange].lba) + soffset;
dstlba = scsi_8btou64(list->range[drange].lba) + doffset;
numbytes = srcblock *
(scsi_4btoul(list->token->range[srange].length) - soffset);
numbytes = omin(numbytes, dstblock *
(scsi_4btoul(list->range[drange].length) - doffset));
if (numbytes > TPC_MAX_IOCHUNK_SIZE) {
numbytes = TPC_MAX_IOCHUNK_SIZE;
numbytes -= numbytes % dstblock;
if (pb > dstblock) {
adj = (dstlba * dstblock + numbytes - pbo) % pb;
if (numbytes > adj)
numbytes -= adj;
}
}
if (numbytes % srcblock != 0 || numbytes % dstblock != 0) {
ctl_set_invalid_field(list->ctsio, /*sks_valid*/ 0,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0);
return (CTL_RETVAL_ERROR);
}
list->segbytes = numbytes;
list->segsectors = numbytes / dstblock;
//printf("Copy chunk of %ju sectors from %ju to %ju\n", list->segsectors,
// srclba, dstlba);
donebytes = 0;
TAILQ_INIT(&run);
list->tbdio = 0;
TAILQ_INIT(&list->allio);
while (donebytes < numbytes) {
roundbytes = numbytes - donebytes;
if (roundbytes > TPC_MAX_IO_SIZE) {
roundbytes = TPC_MAX_IO_SIZE;
roundbytes -= roundbytes % dstblock;
if (pb > dstblock) {
adj = (dstlba * dstblock + roundbytes - pbo) % pb;
if (roundbytes > adj)
roundbytes -= adj;
}
}
tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
TAILQ_INIT(&tior->run);
tior->buf = malloc(roundbytes, M_CTL, M_WAITOK);
tior->list = list;
TAILQ_INSERT_TAIL(&list->allio, tior, links);
tior->io = tpcl_alloc_io();
ctl_scsi_read_write(tior->io,
/*data_ptr*/ tior->buf,
/*data_len*/ roundbytes,
/*read_op*/ 1,
/*byte2*/ 0,
/*minimum_cdb_size*/ 0,
/*lba*/ srclba,
/*num_blocks*/ roundbytes / srcblock,
/*tag_type*/ CTL_TAG_SIMPLE,
/*control*/ 0);
tior->io->io_hdr.retries = 3;
tior->lun = list->token->lun;
tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO);
TAILQ_INIT(&tiow->run);
tiow->list = list;
TAILQ_INSERT_TAIL(&list->allio, tiow, links);
tiow->io = tpcl_alloc_io();
ctl_scsi_read_write(tiow->io,
/*data_ptr*/ tior->buf,
/*data_len*/ roundbytes,
/*read_op*/ 0,
/*byte2*/ 0,
/*minimum_cdb_size*/ 0,
/*lba*/ dstlba,
/*num_blocks*/ roundbytes / dstblock,
/*tag_type*/ CTL_TAG_SIMPLE,
/*control*/ 0);
tiow->io->io_hdr.retries = 3;
tiow->lun = list->lun->lun;
tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow;
TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks);
TAILQ_INSERT_TAIL(&run, tior, rlinks);
list->tbdio++;
donebytes += roundbytes;
srclba += roundbytes / srcblock;
dstlba += roundbytes / dstblock;
}
while ((tior = TAILQ_FIRST(&run)) != NULL) {
TAILQ_REMOVE(&run, tior, rlinks);
if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
panic("tpcl_queue() error");
}
list->stage++;
return (CTL_RETVAL_QUEUED);
}
static int
tpc_process_zero_wut(struct tpc_list *list)
{
struct tpc_io *tio, *tiow;
struct runl run, *prun;
int r;
uint32_t dstblock, len;
if (list->stage > 0) {
complete:
/* Cleanup after previous rounds. */
while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
TAILQ_REMOVE(&list->allio, tio, links);
ctl_free_io(tio->io);
free(tio, M_CTL);
}
if (list->abort) {
ctl_set_task_aborted(list->ctsio);
return (CTL_RETVAL_ERROR);
} else if (list->error) {
if (list->fwd_scsi_status) {
list->ctsio->io_hdr.status =
CTL_SCSI_ERROR | CTL_AUTOSENSE;
list->ctsio->scsi_status = list->fwd_scsi_status;
list->ctsio->sense_data = list->fwd_sense_data;
list->ctsio->sense_len = list->fwd_sense_len;
} else {
ctl_set_invalid_field(list->ctsio,
/*sks_valid*/ 0, /*command*/ 0,
/*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0);
}
return (CTL_RETVAL_ERROR);
}
list->cursectors += list->segsectors;
list->curbytes += list->segbytes;
return (CTL_RETVAL_COMPLETE);
}
dstblock = list->lun->be_lun->blocksize;
TAILQ_INIT(&run);
prun = &run;
list->tbdio = 1;
TAILQ_INIT(&list->allio);
list->segsectors = 0;
for (r = 0; r < list->nrange; r++) {
len = scsi_4btoul(list->range[r].length);
if (len == 0)
continue;
tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO);
TAILQ_INIT(&tiow->run);
tiow->list = list;
TAILQ_INSERT_TAIL(&list->allio, tiow, links);
tiow->io = tpcl_alloc_io();
ctl_scsi_write_same(tiow->io,
/*data_ptr*/ NULL,
/*data_len*/ 0,
/*byte2*/ SWS_NDOB,
/*lba*/ scsi_8btou64(list->range[r].lba),
/*num_blocks*/ len,
/*tag_type*/ CTL_TAG_SIMPLE,
/*control*/ 0);
tiow->io->io_hdr.retries = 3;
tiow->lun = list->lun->lun;
tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow;
TAILQ_INSERT_TAIL(prun, tiow, rlinks);
prun = &tiow->run;
list->segsectors += len;
}
list->segbytes = list->segsectors * dstblock;
if (TAILQ_EMPTY(&run))
goto complete;
while ((tiow = TAILQ_FIRST(&run)) != NULL) {
TAILQ_REMOVE(&run, tiow, rlinks);
if (tpcl_queue(tiow->io, tiow->lun) != CTL_RETVAL_COMPLETE)
panic("tpcl_queue() error");
}
list->stage++;
return (CTL_RETVAL_QUEUED);
}
static void
tpc_process(struct tpc_list *list)
{
struct ctl_lun *lun = list->lun;
struct ctl_softc *softc = lun->ctl_softc;
struct scsi_ec_segment *seg;
struct ctl_scsiio *ctsio = list->ctsio;
int retval = CTL_RETVAL_COMPLETE;
uint8_t csi[4];
if (list->service_action == EC_WUT) {
if (list->token != NULL)
retval = tpc_process_wut(list);
else
retval = tpc_process_zero_wut(list);
if (retval == CTL_RETVAL_QUEUED)
return;
if (retval == CTL_RETVAL_ERROR) {
list->error = 1;
goto done;
}
} else {
//printf("ZZZ %d cscd, %d segs\n", list->ncscd, list->nseg);
while (list->curseg < list->nseg) {
seg = list->seg[list->curseg];
switch (seg->type_code) {
case EC_SEG_B2B:
retval = tpc_process_b2b(list);
break;
case EC_SEG_VERIFY:
retval = tpc_process_verify(list);
break;
case EC_SEG_REGISTER_KEY:
retval = tpc_process_register_key(list);
break;
default:
scsi_ulto4b(list->curseg, csi);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_COPY_ABORTED,
/*asc*/ 0x26, /*ascq*/ 0x09,
SSD_ELEM_COMMAND, sizeof(csi), csi,
SSD_ELEM_NONE);
goto done;
}
if (retval == CTL_RETVAL_QUEUED)
return;
if (retval == CTL_RETVAL_ERROR) {
list->error = 1;
goto done;
}
list->curseg++;
list->stage = 0;
}
}
ctl_set_success(ctsio);
done:
//printf("ZZZ done\n");
free(list->params, M_CTL);
list->params = NULL;
if (list->token) {
mtx_lock(&softc->tpc_lock);
if (--list->token->active == 0)
list->token->last_active = time_uptime;
mtx_unlock(&softc->tpc_lock);
list->token = NULL;
}
mtx_lock(&lun->lun_lock);
if ((list->flags & EC_LIST_ID_USAGE_MASK) == EC_LIST_ID_USAGE_NONE) {
TAILQ_REMOVE(&lun->tpc_lists, list, links);
free(list, M_CTL);
} else {
list->completed = 1;
list->last_active = time_uptime;
list->sense_data = ctsio->sense_data;
list->sense_len = ctsio->sense_len;
list->scsi_status = ctsio->scsi_status;
}
mtx_unlock(&lun->lun_lock);
ctl_done((union ctl_io *)ctsio);
}
/*
* For any sort of check condition, busy, etc., we just retry. We do not
* decrement the retry count for unit attention type errors. These are
* normal, and we want to save the retry count for "real" errors. Otherwise,
* we could end up with situations where a command will succeed in some
* situations and fail in others, depending on whether a unit attention is
* pending. Also, some of our error recovery actions, most notably the
* LUN reset action, will cause a unit attention.
*
* We can add more detail here later if necessary.
*/
static tpc_error_action
tpc_checkcond_parse(union ctl_io *io)
{
tpc_error_action error_action;
int error_code, sense_key, asc, ascq;
/*
* Default to retrying the command.
*/
error_action = TPC_ERR_RETRY;
scsi_extract_sense_len(&io->scsiio.sense_data,
io->scsiio.sense_len,
&error_code,
&sense_key,
&asc,
&ascq,
/*show_errors*/ 1);
switch (error_code) {
case SSD_DEFERRED_ERROR:
case SSD_DESC_DEFERRED_ERROR:
error_action |= TPC_ERR_NO_DECREMENT;
break;
case SSD_CURRENT_ERROR:
case SSD_DESC_CURRENT_ERROR:
default:
switch (sense_key) {
case SSD_KEY_UNIT_ATTENTION:
error_action |= TPC_ERR_NO_DECREMENT;
break;
case SSD_KEY_HARDWARE_ERROR:
/*
* This is our generic "something bad happened"
* error code. It often isn't recoverable.
*/
if ((asc == 0x44) && (ascq == 0x00))
error_action = TPC_ERR_FAIL;
break;
case SSD_KEY_NOT_READY:
/*
* If the LUN is powered down, there likely isn't
* much point in retrying right now.
*/
if ((asc == 0x04) && (ascq == 0x02))
error_action = TPC_ERR_FAIL;
/*
* If the LUN is offline, there probably isn't much
* point in retrying, either.
*/
if ((asc == 0x04) && (ascq == 0x03))
error_action = TPC_ERR_FAIL;
break;
}
}
return (error_action);
}
static tpc_error_action
tpc_error_parse(union ctl_io *io)
{
tpc_error_action error_action = TPC_ERR_RETRY;
switch (io->io_hdr.io_type) {
case CTL_IO_SCSI:
switch (io->io_hdr.status & CTL_STATUS_MASK) {
case CTL_SCSI_ERROR:
switch (io->scsiio.scsi_status) {
case SCSI_STATUS_CHECK_COND:
error_action = tpc_checkcond_parse(io);
break;
default:
break;
}
break;
default:
break;
}
break;
case CTL_IO_TASK:
break;
default:
panic("%s: invalid ctl_io type %d\n", __func__,
io->io_hdr.io_type);
break;
}
return (error_action);
}
void
tpc_done(union ctl_io *io)
{
struct tpc_io *tio, *tior;
/*
* Very minimal retry logic. We basically retry if we got an error
* back, and the retry count is greater than 0. If we ever want
* more sophisticated initiator type behavior, the CAM error
* recovery code in ../common might be helpful.
*/
tio = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
if (((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS)
&& (io->io_hdr.retries > 0)) {
ctl_io_status old_status;
tpc_error_action error_action;
error_action = tpc_error_parse(io);
switch (error_action & TPC_ERR_MASK) {
case TPC_ERR_FAIL:
break;
case TPC_ERR_RETRY:
default:
if ((error_action & TPC_ERR_NO_DECREMENT) == 0)
io->io_hdr.retries--;
old_status = io->io_hdr.status;
io->io_hdr.status = CTL_STATUS_NONE;
io->io_hdr.flags &= ~CTL_FLAG_ABORT;
io->io_hdr.flags &= ~CTL_FLAG_SENT_2OTHER_SC;
if (tpcl_queue(io, tio->lun) != CTL_RETVAL_COMPLETE) {
printf("%s: error returned from tpcl_queue()!\n",
__func__);
io->io_hdr.status = old_status;
} else
return;
}
}
if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS) {
tio->list->error = 1;
if (io->io_hdr.io_type == CTL_IO_SCSI &&
(io->io_hdr.status & CTL_STATUS_MASK) == CTL_SCSI_ERROR) {
tio->list->fwd_scsi_status = io->scsiio.scsi_status;
tio->list->fwd_sense_data = io->scsiio.sense_data;
tio->list->fwd_sense_len = io->scsiio.sense_len;
tio->list->fwd_target = tio->target;
tio->list->fwd_cscd = tio->cscd;
}
} else
atomic_add_int(&tio->list->curops, 1);
if (!tio->list->error && !tio->list->abort) {
while ((tior = TAILQ_FIRST(&tio->run)) != NULL) {
TAILQ_REMOVE(&tio->run, tior, rlinks);
atomic_add_int(&tio->list->tbdio, 1);
if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
panic("tpcl_queue() error");
}
}
if (atomic_fetchadd_int(&tio->list->tbdio, -1) == 1)
tpc_process(tio->list);
}
int
ctl_extended_copy_lid1(struct ctl_scsiio *ctsio)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_extended_copy *cdb;
struct scsi_extended_copy_lid1_data *data;
struct scsi_ec_cscd *cscd;
struct scsi_ec_segment *seg;
struct tpc_list *list, *tlist;
uint8_t *ptr;
const char *value;
int len, off, lencscd, lenseg, leninl, nseg;
CTL_DEBUG_PRINT(("ctl_extended_copy_lid1\n"));
cdb = (struct scsi_extended_copy *)ctsio->cdb;
len = scsi_4btoul(cdb->length);
if (len == 0) {
ctl_set_success(ctsio);
goto done;
}
if (len < sizeof(struct scsi_extended_copy_lid1_data) ||
len > sizeof(struct scsi_extended_copy_lid1_data) +
TPC_MAX_LIST + TPC_MAX_INLINE) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
/*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
/*
* If we've got a kernel request that hasn't been malloced yet,
* malloc it and tell the caller the data buffer is here.
*/
if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
ctsio->kern_data_len = len;
ctsio->kern_total_len = len;
ctsio->kern_rel_offset = 0;
ctsio->kern_sg_entries = 0;
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
data = (struct scsi_extended_copy_lid1_data *)ctsio->kern_data_ptr;
lencscd = scsi_2btoul(data->cscd_list_length);
lenseg = scsi_4btoul(data->segment_list_length);
leninl = scsi_4btoul(data->inline_data_length);
if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) {
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE);
goto done;
}
if (lenseg > TPC_MAX_SEGS * sizeof(struct scsi_ec_segment)) {
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
goto done;
}
if (lencscd + lenseg > TPC_MAX_LIST ||
leninl > TPC_MAX_INLINE ||
len < sizeof(struct scsi_extended_copy_lid1_data) +
lencscd + lenseg + leninl) {
ctl_set_param_len_error(ctsio);
goto done;
}
list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
list->service_action = cdb->service_action;
value = dnvlist_get_string(lun->be_lun->options, "insecure_tpc", NULL);
if (value != NULL && strcmp(value, "on") == 0)
list->init_port = -1;
else
list->init_port = ctsio->io_hdr.nexus.targ_port;
list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus);
list->list_id = data->list_identifier;
list->flags = data->flags;
list->params = ctsio->kern_data_ptr;
list->cscd = (struct scsi_ec_cscd *)&data->data[0];
ptr = &data->data[0];
for (off = 0; off < lencscd; off += sizeof(struct scsi_ec_cscd)) {
cscd = (struct scsi_ec_cscd *)(ptr + off);
if (cscd->type_code != EC_CSCD_ID) {
free(list, M_CTL);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x07, SSD_ELEM_NONE);
goto done;
}
}
ptr = &data->data[lencscd];
for (nseg = 0, off = 0; off < lenseg; nseg++) {
if (nseg >= TPC_MAX_SEGS) {
free(list, M_CTL);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
goto done;
}
seg = (struct scsi_ec_segment *)(ptr + off);
if (seg->type_code != EC_SEG_B2B &&
seg->type_code != EC_SEG_VERIFY &&
seg->type_code != EC_SEG_REGISTER_KEY) {
free(list, M_CTL);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE);
goto done;
}
list->seg[nseg] = seg;
off += sizeof(struct scsi_ec_segment) +
scsi_2btoul(seg->descr_length);
}
list->inl = &data->data[lencscd + lenseg];
list->ncscd = lencscd / sizeof(struct scsi_ec_cscd);
list->nseg = nseg;
list->leninl = leninl;
list->ctsio = ctsio;
list->lun = lun;
mtx_lock(&lun->lun_lock);
if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) {
tlist = tpc_find_list(lun, list->list_id, list->init_idx);
if (tlist != NULL && !tlist->completed) {
mtx_unlock(&lun->lun_lock);
free(list, M_CTL);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
/*bit*/ 0);
goto done;
}
if (tlist != NULL) {
TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
free(tlist, M_CTL);
}
}
TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
mtx_unlock(&lun->lun_lock);
tpc_process(list);
return (CTL_RETVAL_COMPLETE);
done:
if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
free(ctsio->kern_data_ptr, M_CTL);
ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
}
ctl_done((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
int
ctl_extended_copy_lid4(struct ctl_scsiio *ctsio)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_extended_copy *cdb;
struct scsi_extended_copy_lid4_data *data;
struct scsi_ec_cscd *cscd;
struct scsi_ec_segment *seg;
struct tpc_list *list, *tlist;
uint8_t *ptr;
const char *value;
int len, off, lencscd, lenseg, leninl, nseg;
CTL_DEBUG_PRINT(("ctl_extended_copy_lid4\n"));
cdb = (struct scsi_extended_copy *)ctsio->cdb;
len = scsi_4btoul(cdb->length);
if (len == 0) {
ctl_set_success(ctsio);
goto done;
}
if (len < sizeof(struct scsi_extended_copy_lid4_data) ||
len > sizeof(struct scsi_extended_copy_lid4_data) +
TPC_MAX_LIST + TPC_MAX_INLINE) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
/*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
/*
* If we've got a kernel request that hasn't been malloced yet,
* malloc it and tell the caller the data buffer is here.
*/
if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
ctsio->kern_data_len = len;
ctsio->kern_total_len = len;
ctsio->kern_rel_offset = 0;
ctsio->kern_sg_entries = 0;
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
data = (struct scsi_extended_copy_lid4_data *)ctsio->kern_data_ptr;
lencscd = scsi_2btoul(data->cscd_list_length);
lenseg = scsi_2btoul(data->segment_list_length);
leninl = scsi_2btoul(data->inline_data_length);
if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) {
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE);
goto done;
}
if (lenseg > TPC_MAX_SEGS * sizeof(struct scsi_ec_segment)) {
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
goto done;
}
if (lencscd + lenseg > TPC_MAX_LIST ||
leninl > TPC_MAX_INLINE ||
len < sizeof(struct scsi_extended_copy_lid1_data) +
lencscd + lenseg + leninl) {
ctl_set_param_len_error(ctsio);
goto done;
}
list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
list->service_action = cdb->service_action;
value = dnvlist_get_string(lun->be_lun->options, "insecure_tpc", NULL);
if (value != NULL && strcmp(value, "on") == 0)
list->init_port = -1;
else
list->init_port = ctsio->io_hdr.nexus.targ_port;
list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus);
list->list_id = scsi_4btoul(data->list_identifier);
list->flags = data->flags;
list->params = ctsio->kern_data_ptr;
list->cscd = (struct scsi_ec_cscd *)&data->data[0];
ptr = &data->data[0];
for (off = 0; off < lencscd; off += sizeof(struct scsi_ec_cscd)) {
cscd = (struct scsi_ec_cscd *)(ptr + off);
if (cscd->type_code != EC_CSCD_ID) {
free(list, M_CTL);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x07, SSD_ELEM_NONE);
goto done;
}
}
ptr = &data->data[lencscd];
for (nseg = 0, off = 0; off < lenseg; nseg++) {
if (nseg >= TPC_MAX_SEGS) {
free(list, M_CTL);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
goto done;
}
seg = (struct scsi_ec_segment *)(ptr + off);
if (seg->type_code != EC_SEG_B2B &&
seg->type_code != EC_SEG_VERIFY &&
seg->type_code != EC_SEG_REGISTER_KEY) {
free(list, M_CTL);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE);
goto done;
}
list->seg[nseg] = seg;
off += sizeof(struct scsi_ec_segment) +
scsi_2btoul(seg->descr_length);
}
list->inl = &data->data[lencscd + lenseg];
list->ncscd = lencscd / sizeof(struct scsi_ec_cscd);
list->nseg = nseg;
list->leninl = leninl;
list->ctsio = ctsio;
list->lun = lun;
mtx_lock(&lun->lun_lock);
if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) {
tlist = tpc_find_list(lun, list->list_id, list->init_idx);
if (tlist != NULL && !tlist->completed) {
mtx_unlock(&lun->lun_lock);
free(list, M_CTL);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
/*bit*/ 0);
goto done;
}
if (tlist != NULL) {
TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
free(tlist, M_CTL);
}
}
TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
mtx_unlock(&lun->lun_lock);
tpc_process(list);
return (CTL_RETVAL_COMPLETE);
done:
if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
free(ctsio->kern_data_ptr, M_CTL);
ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
}
ctl_done((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
static void
tpc_create_token(struct ctl_lun *lun, struct ctl_port *port, off_t len,
struct scsi_token *token)
{
static int id = 0;
struct scsi_vpd_id_descriptor *idd = NULL;
struct scsi_ec_cscd_id *cscd;
struct scsi_read_capacity_data_long *dtsd;
int targid_len;
scsi_ulto4b(ROD_TYPE_AUR, token->type);
scsi_ulto2b(0x01f8, token->length);
scsi_u64to8b(atomic_fetchadd_int(&id, 1), &token->body[0]);
if (lun->lun_devid)
idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *)
lun->lun_devid->data, lun->lun_devid->len,
scsi_devid_is_lun_naa);
if (idd == NULL && lun->lun_devid)
idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *)
lun->lun_devid->data, lun->lun_devid->len,
scsi_devid_is_lun_eui64);
if (idd != NULL) {
cscd = (struct scsi_ec_cscd_id *)&token->body[8];
cscd->type_code = EC_CSCD_ID;
cscd->luidt_pdt = T_DIRECT;
memcpy(&cscd->codeset, idd, 4 + idd->length);
scsi_ulto3b(lun->be_lun->blocksize, cscd->dtsp.block_length);
}
scsi_u64to8b(0, &token->body[40]); /* XXX: Should be 128bit value. */
scsi_u64to8b(len, &token->body[48]);
/* ROD token device type specific data (RC16 without first field) */
dtsd = (struct scsi_read_capacity_data_long *)&token->body[88 - 8];
scsi_ulto4b(lun->be_lun->blocksize, dtsd->length);
dtsd->prot_lbppbe = lun->be_lun->pblockexp & SRC16_LBPPBE;
scsi_ulto2b(lun->be_lun->pblockoff & SRC16_LALBA_A, dtsd->lalba_lbp);
if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP)
dtsd->lalba_lbp[0] |= SRC16_LBPME | SRC16_LBPRZ;
if (port->target_devid) {
targid_len = port->target_devid->len;
memcpy(&token->body[120], port->target_devid->data, targid_len);
} else
targid_len = 32;
arc4rand(&token->body[120 + targid_len], 384 - targid_len, 0);
};
int
ctl_populate_token(struct ctl_scsiio *ctsio)
{
struct ctl_softc *softc = CTL_SOFTC(ctsio);
struct ctl_port *port = CTL_PORT(ctsio);
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_populate_token *cdb;
struct scsi_populate_token_data *data;
struct tpc_list *list, *tlist;
struct tpc_token *token;
uint64_t lba;
int len, lendata, lendesc;
CTL_DEBUG_PRINT(("ctl_populate_token\n"));
cdb = (struct scsi_populate_token *)ctsio->cdb;
len = scsi_4btoul(cdb->length);
if (len < sizeof(struct scsi_populate_token_data) ||
len > sizeof(struct scsi_populate_token_data) +
TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
/*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
/*
* If we've got a kernel request that hasn't been malloced yet,
* malloc it and tell the caller the data buffer is here.
*/
if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
ctsio->kern_data_len = len;
ctsio->kern_total_len = len;
ctsio->kern_rel_offset = 0;
ctsio->kern_sg_entries = 0;
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
data = (struct scsi_populate_token_data *)ctsio->kern_data_ptr;
lendata = scsi_2btoul(data->length);
if (lendata < sizeof(struct scsi_populate_token_data) - 2 +
sizeof(struct scsi_range_desc)) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
/*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
lendesc = scsi_2btoul(data->range_descriptor_length);
if (lendesc < sizeof(struct scsi_range_desc) ||
len < sizeof(struct scsi_populate_token_data) + lendesc ||
lendata < sizeof(struct scsi_populate_token_data) - 2 + lendesc) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
/*field*/ 14, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
/*
printf("PT(list=%u) flags=%x to=%d rt=%x len=%x\n",
scsi_4btoul(cdb->list_identifier),
data->flags, scsi_4btoul(data->inactivity_timeout),
scsi_4btoul(data->rod_type),
scsi_2btoul(data->range_descriptor_length));
*/
/* Validate INACTIVITY TIMEOUT field */
if (scsi_4btoul(data->inactivity_timeout) > TPC_MAX_TOKEN_TIMEOUT) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 0, /*field*/ 4, /*bit_valid*/ 0,
/*bit*/ 0);
goto done;
}
/* Validate ROD TYPE field */
if ((data->flags & EC_PT_RTV) &&
scsi_4btoul(data->rod_type) != ROD_TYPE_AUR) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
/*field*/ 8, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
/* Validate list of ranges */
if (tpc_check_ranges_l(&data->desc[0],
scsi_2btoul(data->range_descriptor_length) /
sizeof(struct scsi_range_desc),
lun->be_lun->maxlba, &lba) != 0) {
ctl_set_lba_out_of_range(ctsio, lba);
goto done;
}
if (tpc_check_ranges_x(&data->desc[0],
scsi_2btoul(data->range_descriptor_length) /
sizeof(struct scsi_range_desc)) != 0) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 0,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
/*bit*/ 0);
goto done;
}
list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
list->service_action = cdb->service_action;
list->init_port = ctsio->io_hdr.nexus.targ_port;
list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus);
list->list_id = scsi_4btoul(cdb->list_identifier);
list->flags = data->flags;
list->ctsio = ctsio;
list->lun = lun;
mtx_lock(&lun->lun_lock);
tlist = tpc_find_list(lun, list->list_id, list->init_idx);
if (tlist != NULL && !tlist->completed) {
mtx_unlock(&lun->lun_lock);
free(list, M_CTL);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
/*bit*/ 0);
goto done;
}
if (tlist != NULL) {
TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
free(tlist, M_CTL);
}
TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
mtx_unlock(&lun->lun_lock);
token = malloc(sizeof(*token), M_CTL, M_WAITOK | M_ZERO);
token->lun = lun->lun;
token->blocksize = lun->be_lun->blocksize;
token->params = ctsio->kern_data_ptr;
token->range = &data->desc[0];
token->nrange = scsi_2btoul(data->range_descriptor_length) /
sizeof(struct scsi_range_desc);
list->cursectors = tpc_ranges_length(token->range, token->nrange);
list->curbytes = (off_t)list->cursectors * lun->be_lun->blocksize;
tpc_create_token(lun, port, list->curbytes,
(struct scsi_token *)token->token);
token->active = 0;
token->last_active = time_uptime;
token->timeout = scsi_4btoul(data->inactivity_timeout);
if (token->timeout == 0)
token->timeout = TPC_DFL_TOKEN_TIMEOUT;
else if (token->timeout < TPC_MIN_TOKEN_TIMEOUT)
token->timeout = TPC_MIN_TOKEN_TIMEOUT;
memcpy(list->res_token, token->token, sizeof(list->res_token));
list->res_token_valid = 1;
list->curseg = 0;
list->completed = 1;
list->last_active = time_uptime;
mtx_lock(&softc->tpc_lock);
TAILQ_INSERT_TAIL(&softc->tpc_tokens, token, links);
mtx_unlock(&softc->tpc_lock);
ctl_set_success(ctsio);
ctl_done((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
done:
if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
free(ctsio->kern_data_ptr, M_CTL);
ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
}
ctl_done((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
int
ctl_write_using_token(struct ctl_scsiio *ctsio)
{
struct ctl_softc *softc = CTL_SOFTC(ctsio);
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_write_using_token *cdb;
struct scsi_write_using_token_data *data;
struct tpc_list *list, *tlist;
struct tpc_token *token;
uint64_t lba;
int len, lendata, lendesc;
CTL_DEBUG_PRINT(("ctl_write_using_token\n"));
cdb = (struct scsi_write_using_token *)ctsio->cdb;
len = scsi_4btoul(cdb->length);
if (len < sizeof(struct scsi_write_using_token_data) ||
len > sizeof(struct scsi_write_using_token_data) +
TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
/*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
/*
* If we've got a kernel request that hasn't been malloced yet,
* malloc it and tell the caller the data buffer is here.
*/
if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
ctsio->kern_data_len = len;
ctsio->kern_total_len = len;
ctsio->kern_rel_offset = 0;
ctsio->kern_sg_entries = 0;
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
data = (struct scsi_write_using_token_data *)ctsio->kern_data_ptr;
lendata = scsi_2btoul(data->length);
if (lendata < sizeof(struct scsi_write_using_token_data) - 2 +
sizeof(struct scsi_range_desc)) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
/*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
lendesc = scsi_2btoul(data->range_descriptor_length);
if (lendesc < sizeof(struct scsi_range_desc) ||
len < sizeof(struct scsi_write_using_token_data) + lendesc ||
lendata < sizeof(struct scsi_write_using_token_data) - 2 + lendesc) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
/*field*/ 534, /*bit_valid*/ 0, /*bit*/ 0);
goto done;
}
/*
printf("WUT(list=%u) flags=%x off=%ju len=%x\n",
scsi_4btoul(cdb->list_identifier),
data->flags, scsi_8btou64(data->offset_into_rod),
scsi_2btoul(data->range_descriptor_length));
*/
/* Validate list of ranges */
if (tpc_check_ranges_l(&data->desc[0],
scsi_2btoul(data->range_descriptor_length) /
sizeof(struct scsi_range_desc),
lun->be_lun->maxlba, &lba) != 0) {
ctl_set_lba_out_of_range(ctsio, lba);
goto done;
}
if (tpc_check_ranges_x(&data->desc[0],
scsi_2btoul(data->range_descriptor_length) /
sizeof(struct scsi_range_desc)) != 0) {
ctl_set_invalid_field(ctsio, /*sks_valid*/ 0,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
/*bit*/ 0);
goto done;
}
list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
list->service_action = cdb->service_action;
list->init_port = ctsio->io_hdr.nexus.targ_port;
list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus);
list->list_id = scsi_4btoul(cdb->list_identifier);
list->flags = data->flags;
list->params = ctsio->kern_data_ptr;
list->range = &data->desc[0];
list->nrange = scsi_2btoul(data->range_descriptor_length) /
sizeof(struct scsi_range_desc);
list->offset_into_rod = scsi_8btou64(data->offset_into_rod);
list->ctsio = ctsio;
list->lun = lun;
mtx_lock(&lun->lun_lock);
tlist = tpc_find_list(lun, list->list_id, list->init_idx);
if (tlist != NULL && !tlist->completed) {
mtx_unlock(&lun->lun_lock);
free(list, M_CTL);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
/*bit*/ 0);
goto done;
}
if (tlist != NULL) {
TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
free(tlist, M_CTL);
}
TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
mtx_unlock(&lun->lun_lock);
/* Block device zero ROD token -> no token. */
if (scsi_4btoul(data->rod_token) == ROD_TYPE_BLOCK_ZERO) {
tpc_process(list);
return (CTL_RETVAL_COMPLETE);
}
mtx_lock(&softc->tpc_lock);
TAILQ_FOREACH(token, &softc->tpc_tokens, links) {
if (memcmp(token->token, data->rod_token,
sizeof(data->rod_token)) == 0)
break;
}
if (token != NULL) {
token->active++;
list->token = token;
if (data->flags & EC_WUT_DEL_TKN)
token->timeout = 0;
}
mtx_unlock(&softc->tpc_lock);
if (token == NULL) {
mtx_lock(&lun->lun_lock);
TAILQ_REMOVE(&lun->tpc_lists, list, links);
mtx_unlock(&lun->lun_lock);
free(list, M_CTL);
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
/*asc*/ 0x23, /*ascq*/ 0x04, SSD_ELEM_NONE);
goto done;
}
tpc_process(list);
return (CTL_RETVAL_COMPLETE);
done:
if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
free(ctsio->kern_data_ptr, M_CTL);
ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
}
ctl_done((union ctl_io *)ctsio);
return (CTL_RETVAL_COMPLETE);
}
int
ctl_receive_rod_token_information(struct ctl_scsiio *ctsio)
{
struct ctl_lun *lun = CTL_LUN(ctsio);
struct scsi_receive_rod_token_information *cdb;
struct scsi_receive_copy_status_lid4_data *data;
struct tpc_list *list;
struct tpc_list list_copy;
uint8_t *ptr;
int retval;
int alloc_len, total_len, token_len;
uint32_t list_id;
CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n"));
cdb = (struct scsi_receive_rod_token_information *)ctsio->cdb;
retval = CTL_RETVAL_COMPLETE;
list_id = scsi_4btoul(cdb->list_identifier);
mtx_lock(&lun->lun_lock);
list = tpc_find_list(lun, list_id,
ctl_get_initindex(&ctsio->io_hdr.nexus));
if (list == NULL) {
mtx_unlock(&lun->lun_lock);
ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
/*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
/*bit*/ 0);
ctl_done((union ctl_io *)ctsio);
return (retval);
}
list_copy = *list;
if (list->completed) {
TAILQ_REMOVE(&lun->tpc_lists, list, links);
free(list, M_CTL);
}
mtx_unlock(&lun->lun_lock);
token_len = list_copy.res_token_valid ? 2 + sizeof(list_copy.res_token) : 0;
total_len = sizeof(*data) + list_copy.sense_len + 4 + token_len;
alloc_len = scsi_4btoul(cdb->length);
ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
ctsio->kern_sg_entries = 0;
ctsio->kern_rel_offset = 0;
ctsio->kern_data_len = min(total_len, alloc_len);
ctsio->kern_total_len = ctsio->kern_data_len;
data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr;
scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len +
4 + token_len, data->available_data);
data->response_to_service_action = list_copy.service_action;
if (list_copy.completed) {
if (list_copy.error)
data->copy_command_status = RCS_CCS_ERROR;
else if (list_copy.abort)
data->copy_command_status = RCS_CCS_ABORTED;
else
data->copy_command_status = RCS_CCS_COMPLETED;
} else
data->copy_command_status = RCS_CCS_INPROG_FG;
scsi_ulto2b(list_copy.curops, data->operation_counter);
scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay);
data->transfer_count_units = RCS_TC_LBAS;
scsi_u64to8b(list_copy.cursectors, data->transfer_count);
scsi_ulto2b(list_copy.curseg, data->segments_processed);
data->length_of_the_sense_data_field = list_copy.sense_len;
data->sense_data_length = list_copy.sense_len;
memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
ptr = &data->sense_data[data->length_of_the_sense_data_field];
scsi_ulto4b(token_len, &ptr[0]);
if (list_copy.res_token_valid) {
scsi_ulto2b(0, &ptr[4]);
memcpy(&ptr[6], list_copy.res_token, sizeof(list_copy.res_token));
}
/*
printf("RRTI(list=%u) valid=%d\n",
scsi_4btoul(cdb->list_identifier), list_copy.res_token_valid);
*/
ctl_set_success(ctsio);
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (retval);
}
int
ctl_report_all_rod_tokens(struct ctl_scsiio *ctsio)
{
struct ctl_softc *softc = CTL_SOFTC(ctsio);
struct scsi_report_all_rod_tokens *cdb;
struct scsi_report_all_rod_tokens_data *data;
struct tpc_token *token;
int retval;
int alloc_len, total_len, tokens, i;
CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n"));
cdb = (struct scsi_report_all_rod_tokens *)ctsio->cdb;
retval = CTL_RETVAL_COMPLETE;
tokens = 0;
mtx_lock(&softc->tpc_lock);
TAILQ_FOREACH(token, &softc->tpc_tokens, links)
tokens++;
mtx_unlock(&softc->tpc_lock);
if (tokens > 512)
tokens = 512;
total_len = sizeof(*data) + tokens * 96;
alloc_len = scsi_4btoul(cdb->length);
ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
ctsio->kern_sg_entries = 0;
ctsio->kern_rel_offset = 0;
ctsio->kern_data_len = min(total_len, alloc_len);
ctsio->kern_total_len = ctsio->kern_data_len;
data = (struct scsi_report_all_rod_tokens_data *)ctsio->kern_data_ptr;
i = 0;
mtx_lock(&softc->tpc_lock);
TAILQ_FOREACH(token, &softc->tpc_tokens, links) {
if (i >= tokens)
break;
memcpy(&data->rod_management_token_list[i * 96],
token->token, 96);
i++;
}
mtx_unlock(&softc->tpc_lock);
scsi_ulto4b(sizeof(*data) - 4 + i * 96, data->available_data);
/*
printf("RART tokens=%d\n", i);
*/
ctl_set_success(ctsio);
ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
ctsio->be_move_done = ctl_config_move_done;
ctl_datamove((union ctl_io *)ctsio);
return (retval);
}
plain