2434 lines
73 KiB
C
2434 lines
73 KiB
C
/*-
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* Copyright (c) 2014 Alexander Motin <mav@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/types.h>
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#include <sys/lock.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/malloc.h>
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#include <sys/conf.h>
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#include <sys/queue.h>
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#include <sys/sysctl.h>
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#include <machine/atomic.h>
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#include <cam/cam.h>
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#include <cam/scsi/scsi_all.h>
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#include <cam/scsi/scsi_da.h>
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#include <cam/ctl/ctl_io.h>
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#include <cam/ctl/ctl.h>
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#include <cam/ctl/ctl_frontend.h>
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#include <cam/ctl/ctl_util.h>
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#include <cam/ctl/ctl_backend.h>
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#include <cam/ctl/ctl_ioctl.h>
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#include <cam/ctl/ctl_ha.h>
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#include <cam/ctl/ctl_private.h>
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#include <cam/ctl/ctl_debug.h>
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#include <cam/ctl/ctl_scsi_all.h>
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#include <cam/ctl/ctl_tpc.h>
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#include <cam/ctl/ctl_error.h>
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#define TPC_MAX_CSCDS 64
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#define TPC_MAX_SEGS 64
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#define TPC_MAX_SEG 0
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#define TPC_MAX_LIST 8192
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#define TPC_MAX_INLINE 0
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#define TPC_MAX_LISTS 255
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#define TPC_MAX_IO_SIZE (1024 * 1024)
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#define TPC_MAX_IOCHUNK_SIZE (TPC_MAX_IO_SIZE * 16)
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#define TPC_MIN_TOKEN_TIMEOUT 1
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#define TPC_DFL_TOKEN_TIMEOUT 60
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#define TPC_MAX_TOKEN_TIMEOUT 600
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MALLOC_DEFINE(M_CTL_TPC, "ctltpc", "CTL TPC");
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typedef enum {
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TPC_ERR_RETRY = 0x000,
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TPC_ERR_FAIL = 0x001,
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TPC_ERR_MASK = 0x0ff,
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TPC_ERR_NO_DECREMENT = 0x100
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} tpc_error_action;
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struct tpc_list;
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TAILQ_HEAD(runl, tpc_io);
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struct tpc_io {
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union ctl_io *io;
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uint64_t lun;
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struct tpc_list *list;
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struct runl run;
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TAILQ_ENTRY(tpc_io) rlinks;
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TAILQ_ENTRY(tpc_io) links;
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};
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struct tpc_token {
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uint8_t token[512];
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uint64_t lun;
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uint32_t blocksize;
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uint8_t *params;
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struct scsi_range_desc *range;
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int nrange;
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int active;
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time_t last_active;
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uint32_t timeout;
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TAILQ_ENTRY(tpc_token) links;
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};
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struct tpc_list {
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uint8_t service_action;
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int init_port;
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uint32_t init_idx;
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uint32_t list_id;
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uint8_t flags;
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uint8_t *params;
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struct scsi_ec_cscd *cscd;
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struct scsi_ec_segment *seg[TPC_MAX_SEGS];
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uint8_t *inl;
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int ncscd;
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int nseg;
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int leninl;
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struct tpc_token *token;
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struct scsi_range_desc *range;
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int nrange;
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off_t offset_into_rod;
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int curseg;
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off_t cursectors;
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off_t curbytes;
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int curops;
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int stage;
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uint8_t *buf;
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off_t segsectors;
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off_t segbytes;
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int tbdio;
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int error;
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int abort;
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int completed;
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time_t last_active;
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TAILQ_HEAD(, tpc_io) allio;
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struct scsi_sense_data sense_data;
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uint8_t sense_len;
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uint8_t scsi_status;
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struct ctl_scsiio *ctsio;
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struct ctl_lun *lun;
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int res_token_valid;
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uint8_t res_token[512];
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TAILQ_ENTRY(tpc_list) links;
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};
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static void
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tpc_timeout(void *arg)
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{
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struct ctl_softc *softc = arg;
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struct ctl_lun *lun;
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struct tpc_token *token, *ttoken;
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struct tpc_list *list, *tlist;
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/* Free completed lists with expired timeout. */
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STAILQ_FOREACH(lun, &softc->lun_list, links) {
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mtx_lock(&lun->lun_lock);
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TAILQ_FOREACH_SAFE(list, &lun->tpc_lists, links, tlist) {
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if (!list->completed || time_uptime < list->last_active +
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TPC_DFL_TOKEN_TIMEOUT)
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continue;
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TAILQ_REMOVE(&lun->tpc_lists, list, links);
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free(list, M_CTL);
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}
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mtx_unlock(&lun->lun_lock);
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}
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/* Free inactive ROD tokens with expired timeout. */
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mtx_lock(&softc->tpc_lock);
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TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) {
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if (token->active ||
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time_uptime < token->last_active + token->timeout + 1)
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continue;
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TAILQ_REMOVE(&softc->tpc_tokens, token, links);
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free(token->params, M_CTL);
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free(token, M_CTL);
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}
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mtx_unlock(&softc->tpc_lock);
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callout_schedule(&softc->tpc_timeout, hz);
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}
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void
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ctl_tpc_init(struct ctl_softc *softc)
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{
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mtx_init(&softc->tpc_lock, "CTL TPC mutex", NULL, MTX_DEF);
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TAILQ_INIT(&softc->tpc_tokens);
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callout_init_mtx(&softc->tpc_timeout, &softc->ctl_lock, 0);
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callout_reset(&softc->tpc_timeout, hz, tpc_timeout, softc);
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}
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void
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ctl_tpc_shutdown(struct ctl_softc *softc)
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{
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struct tpc_token *token;
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callout_drain(&softc->tpc_timeout);
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/* Free ROD tokens. */
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mtx_lock(&softc->tpc_lock);
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while ((token = TAILQ_FIRST(&softc->tpc_tokens)) != NULL) {
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TAILQ_REMOVE(&softc->tpc_tokens, token, links);
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free(token->params, M_CTL);
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free(token, M_CTL);
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}
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mtx_unlock(&softc->tpc_lock);
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mtx_destroy(&softc->tpc_lock);
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}
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void
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ctl_tpc_lun_init(struct ctl_lun *lun)
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{
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TAILQ_INIT(&lun->tpc_lists);
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}
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void
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ctl_tpc_lun_shutdown(struct ctl_lun *lun)
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{
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struct ctl_softc *softc = lun->ctl_softc;
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struct tpc_list *list;
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struct tpc_token *token, *ttoken;
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/* Free lists for this LUN. */
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while ((list = TAILQ_FIRST(&lun->tpc_lists)) != NULL) {
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TAILQ_REMOVE(&lun->tpc_lists, list, links);
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KASSERT(list->completed,
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("Not completed TPC (%p) on shutdown", list));
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free(list, M_CTL);
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}
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/* Free ROD tokens for this LUN. */
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mtx_lock(&softc->tpc_lock);
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TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) {
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if (token->lun != lun->lun || token->active)
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continue;
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TAILQ_REMOVE(&softc->tpc_tokens, token, links);
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free(token->params, M_CTL);
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free(token, M_CTL);
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}
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mtx_unlock(&softc->tpc_lock);
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}
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int
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ctl_inquiry_evpd_tpc(struct ctl_scsiio *ctsio, int alloc_len)
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{
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struct scsi_vpd_tpc *tpc_ptr;
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struct scsi_vpd_tpc_descriptor *d_ptr;
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struct scsi_vpd_tpc_descriptor_bdrl *bdrl_ptr;
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struct scsi_vpd_tpc_descriptor_sc *sc_ptr;
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struct scsi_vpd_tpc_descriptor_sc_descr *scd_ptr;
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struct scsi_vpd_tpc_descriptor_pd *pd_ptr;
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struct scsi_vpd_tpc_descriptor_sd *sd_ptr;
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struct scsi_vpd_tpc_descriptor_sdid *sdid_ptr;
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struct scsi_vpd_tpc_descriptor_rtf *rtf_ptr;
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struct scsi_vpd_tpc_descriptor_rtf_block *rtfb_ptr;
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struct scsi_vpd_tpc_descriptor_srt *srt_ptr;
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struct scsi_vpd_tpc_descriptor_srtd *srtd_ptr;
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struct scsi_vpd_tpc_descriptor_gco *gco_ptr;
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struct ctl_lun *lun;
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int data_len;
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lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
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data_len = sizeof(struct scsi_vpd_tpc) +
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sizeof(struct scsi_vpd_tpc_descriptor_bdrl) +
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roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sc) +
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2 * sizeof(struct scsi_vpd_tpc_descriptor_sc_descr) + 11, 4) +
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sizeof(struct scsi_vpd_tpc_descriptor_pd) +
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roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sd) + 4, 4) +
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roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sdid) + 2, 4) +
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sizeof(struct scsi_vpd_tpc_descriptor_rtf) +
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sizeof(struct scsi_vpd_tpc_descriptor_rtf_block) +
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sizeof(struct scsi_vpd_tpc_descriptor_srt) +
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2*sizeof(struct scsi_vpd_tpc_descriptor_srtd) +
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sizeof(struct scsi_vpd_tpc_descriptor_gco);
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ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
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tpc_ptr = (struct scsi_vpd_tpc *)ctsio->kern_data_ptr;
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ctsio->kern_sg_entries = 0;
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if (data_len < alloc_len) {
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ctsio->residual = alloc_len - data_len;
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ctsio->kern_data_len = data_len;
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ctsio->kern_total_len = data_len;
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} else {
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ctsio->residual = 0;
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ctsio->kern_data_len = alloc_len;
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ctsio->kern_total_len = alloc_len;
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}
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ctsio->kern_data_resid = 0;
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ctsio->kern_rel_offset = 0;
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ctsio->kern_sg_entries = 0;
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/*
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* The control device is always connected. The disk device, on the
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* other hand, may not be online all the time.
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*/
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if (lun != NULL)
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tpc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
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lun->be_lun->lun_type;
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else
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tpc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
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tpc_ptr->page_code = SVPD_SCSI_TPC;
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scsi_ulto2b(data_len - 4, tpc_ptr->page_length);
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/* Block Device ROD Limits */
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d_ptr = (struct scsi_vpd_tpc_descriptor *)&tpc_ptr->descr[0];
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bdrl_ptr = (struct scsi_vpd_tpc_descriptor_bdrl *)d_ptr;
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scsi_ulto2b(SVPD_TPC_BDRL, bdrl_ptr->desc_type);
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scsi_ulto2b(sizeof(*bdrl_ptr) - 4, bdrl_ptr->desc_length);
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scsi_ulto2b(TPC_MAX_SEGS, bdrl_ptr->maximum_ranges);
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scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
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bdrl_ptr->maximum_inactivity_timeout);
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scsi_ulto4b(TPC_DFL_TOKEN_TIMEOUT,
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bdrl_ptr->default_inactivity_timeout);
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scsi_u64to8b(0, bdrl_ptr->maximum_token_transfer_size);
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scsi_u64to8b(0, bdrl_ptr->optimal_transfer_count);
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/* Supported commands */
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d_ptr = (struct scsi_vpd_tpc_descriptor *)
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(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
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sc_ptr = (struct scsi_vpd_tpc_descriptor_sc *)d_ptr;
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scsi_ulto2b(SVPD_TPC_SC, sc_ptr->desc_type);
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sc_ptr->list_length = 2 * sizeof(*scd_ptr) + 11;
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scsi_ulto2b(roundup2(1 + sc_ptr->list_length, 4), sc_ptr->desc_length);
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scd_ptr = &sc_ptr->descr[0];
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scd_ptr->opcode = EXTENDED_COPY;
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scd_ptr->sa_length = 5;
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scd_ptr->supported_service_actions[0] = EC_EC_LID1;
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scd_ptr->supported_service_actions[1] = EC_EC_LID4;
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scd_ptr->supported_service_actions[2] = EC_PT;
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scd_ptr->supported_service_actions[3] = EC_WUT;
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scd_ptr->supported_service_actions[4] = EC_COA;
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scd_ptr = (struct scsi_vpd_tpc_descriptor_sc_descr *)
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&scd_ptr->supported_service_actions[scd_ptr->sa_length];
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scd_ptr->opcode = RECEIVE_COPY_STATUS;
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scd_ptr->sa_length = 6;
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scd_ptr->supported_service_actions[0] = RCS_RCS_LID1;
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scd_ptr->supported_service_actions[1] = RCS_RCFD;
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scd_ptr->supported_service_actions[2] = RCS_RCS_LID4;
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scd_ptr->supported_service_actions[3] = RCS_RCOP;
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scd_ptr->supported_service_actions[4] = RCS_RRTI;
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scd_ptr->supported_service_actions[5] = RCS_RART;
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/* Parameter data. */
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d_ptr = (struct scsi_vpd_tpc_descriptor *)
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(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
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pd_ptr = (struct scsi_vpd_tpc_descriptor_pd *)d_ptr;
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scsi_ulto2b(SVPD_TPC_PD, pd_ptr->desc_type);
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scsi_ulto2b(sizeof(*pd_ptr) - 4, pd_ptr->desc_length);
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scsi_ulto2b(TPC_MAX_CSCDS, pd_ptr->maximum_cscd_descriptor_count);
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scsi_ulto2b(TPC_MAX_SEGS, pd_ptr->maximum_segment_descriptor_count);
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scsi_ulto4b(TPC_MAX_LIST, pd_ptr->maximum_descriptor_list_length);
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scsi_ulto4b(TPC_MAX_INLINE, pd_ptr->maximum_inline_data_length);
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/* Supported Descriptors */
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d_ptr = (struct scsi_vpd_tpc_descriptor *)
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(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
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sd_ptr = (struct scsi_vpd_tpc_descriptor_sd *)d_ptr;
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scsi_ulto2b(SVPD_TPC_SD, sd_ptr->desc_type);
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scsi_ulto2b(roundup2(sizeof(*sd_ptr) - 4 + 4, 4), sd_ptr->desc_length);
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sd_ptr->list_length = 4;
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sd_ptr->supported_descriptor_codes[0] = EC_SEG_B2B;
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sd_ptr->supported_descriptor_codes[1] = EC_SEG_VERIFY;
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sd_ptr->supported_descriptor_codes[2] = EC_SEG_REGISTER_KEY;
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sd_ptr->supported_descriptor_codes[3] = EC_CSCD_ID;
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/* Supported CSCD Descriptor IDs */
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d_ptr = (struct scsi_vpd_tpc_descriptor *)
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(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
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sdid_ptr = (struct scsi_vpd_tpc_descriptor_sdid *)d_ptr;
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scsi_ulto2b(SVPD_TPC_SDID, sdid_ptr->desc_type);
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scsi_ulto2b(roundup2(sizeof(*sdid_ptr) - 4 + 2, 4), sdid_ptr->desc_length);
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scsi_ulto2b(2, sdid_ptr->list_length);
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scsi_ulto2b(0xffff, &sdid_ptr->supported_descriptor_ids[0]);
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/* ROD Token Features */
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d_ptr = (struct scsi_vpd_tpc_descriptor *)
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(&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
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rtf_ptr = (struct scsi_vpd_tpc_descriptor_rtf *)d_ptr;
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scsi_ulto2b(SVPD_TPC_RTF, rtf_ptr->desc_type);
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scsi_ulto2b(sizeof(*rtf_ptr) - 4 + sizeof(*rtfb_ptr), rtf_ptr->desc_length);
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rtf_ptr->remote_tokens = 0;
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scsi_ulto4b(TPC_MIN_TOKEN_TIMEOUT, rtf_ptr->minimum_token_lifetime);
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scsi_ulto4b(UINT32_MAX, rtf_ptr->maximum_token_lifetime);
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scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
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rtf_ptr->maximum_token_inactivity_timeout);
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scsi_ulto2b(sizeof(*rtfb_ptr), rtf_ptr->type_specific_features_length);
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rtfb_ptr = (struct scsi_vpd_tpc_descriptor_rtf_block *)
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&rtf_ptr->type_specific_features;
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rtfb_ptr->type_format = SVPD_TPC_RTF_BLOCK;
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scsi_ulto2b(sizeof(*rtfb_ptr) - 4, rtfb_ptr->desc_length);
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scsi_ulto2b(0, rtfb_ptr->optimal_length_granularity);
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scsi_u64to8b(0, rtfb_ptr->maximum_bytes);
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scsi_u64to8b(0, rtfb_ptr->optimal_bytes);
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scsi_u64to8b(UINT64_MAX, rtfb_ptr->optimal_bytes_to_token_per_segment);
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scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE,
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rtfb_ptr->optimal_bytes_from_token_per_segment);
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/* Supported ROD Tokens */
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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;
|
|
|
|
if (total_len < alloc_len) {
|
|
ctsio->residual = alloc_len - total_len;
|
|
ctsio->kern_data_len = total_len;
|
|
ctsio->kern_total_len = total_len;
|
|
} else {
|
|
ctsio->residual = 0;
|
|
ctsio->kern_data_len = alloc_len;
|
|
ctsio->kern_total_len = alloc_len;
|
|
}
|
|
ctsio->kern_data_resid = 0;
|
|
ctsio->kern_rel_offset = 0;
|
|
|
|
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;
|
|
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;
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
|
|
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;
|
|
|
|
if (total_len < alloc_len) {
|
|
ctsio->residual = alloc_len - total_len;
|
|
ctsio->kern_data_len = total_len;
|
|
ctsio->kern_total_len = total_len;
|
|
} else {
|
|
ctsio->residual = 0;
|
|
ctsio->kern_data_len = alloc_len;
|
|
ctsio->kern_total_len = alloc_len;
|
|
}
|
|
ctsio->kern_data_resid = 0;
|
|
ctsio->kern_rel_offset = 0;
|
|
|
|
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;
|
|
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;
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
|
|
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;
|
|
|
|
if (total_len < alloc_len) {
|
|
ctsio->residual = alloc_len - total_len;
|
|
ctsio->kern_data_len = total_len;
|
|
ctsio->kern_total_len = total_len;
|
|
} else {
|
|
ctsio->residual = 0;
|
|
ctsio->kern_data_len = alloc_len;
|
|
ctsio->kern_total_len = alloc_len;
|
|
}
|
|
ctsio->kern_data_resid = 0;
|
|
ctsio->kern_rel_offset = 0;
|
|
|
|
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;
|
|
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;
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
|
|
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;
|
|
|
|
if (total_len < alloc_len) {
|
|
ctsio->residual = alloc_len - total_len;
|
|
ctsio->kern_data_len = total_len;
|
|
ctsio->kern_total_len = total_len;
|
|
} else {
|
|
ctsio->residual = 0;
|
|
ctsio->kern_data_len = alloc_len;
|
|
ctsio->kern_total_len = alloc_len;
|
|
}
|
|
ctsio->kern_data_resid = 0;
|
|
ctsio->kern_rel_offset = 0;
|
|
|
|
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;
|
|
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;
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
|
|
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 && list->lun->be_lun)
|
|
*ss = list->lun->be_lun->blocksize;
|
|
if (pb && list->lun->be_lun)
|
|
*pb = list->lun->be_lun->blocksize <<
|
|
list->lun->be_lun->pblockexp;
|
|
if (pbo && list->lun->be_lun)
|
|
*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 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;
|
|
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, M_CTL);
|
|
}
|
|
free(list->buf, M_CTL);
|
|
if (list->abort) {
|
|
ctl_set_task_aborted(list->ctsio);
|
|
return (CTL_RETVAL_ERROR);
|
|
} else if (list->error) {
|
|
ctl_set_sense(list->ctsio, /*current_error*/ 1,
|
|
/*sense_key*/ SSD_KEY_COPY_ABORTED,
|
|
/*asc*/ 0x0d, /*ascq*/ 0x01,
|
|
SSD_ELEM_COMMAND, sizeof(csi), csi,
|
|
SSD_ELEM_NONE);
|
|
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];
|
|
sl = tpc_resolve(list, scsi_2btoul(seg->src_cscd), &srcblock, NULL, NULL);
|
|
dl = tpc_resolve(list, scsi_2btoul(seg->dst_cscd), &dstblock, &pb, &pbo);
|
|
if (sl >= CTL_MAX_LUNS || dl >= CTL_MAX_LUNS) {
|
|
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[scsi_2btoul(seg->src_cscd)].dtsp;
|
|
if (scsi_3btoul(sdstp->block_length) != 0)
|
|
srcblock = scsi_3btoul(sdstp->block_length);
|
|
ddstp = &list->cscd[scsi_2btoul(seg->dst_cscd)].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->buf = malloc(numbytes, M_CTL, M_WAITOK);
|
|
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->list = list;
|
|
TAILQ_INSERT_TAIL(&list->allio, tior, links);
|
|
tior->io = tpcl_alloc_io();
|
|
ctl_scsi_read_write(tior->io,
|
|
/*data_ptr*/ &list->buf[donebytes],
|
|
/*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 = 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*/ &list->buf[donebytes],
|
|
/*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 = 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;
|
|
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) {
|
|
ctl_set_sense(list->ctsio, /*current_error*/ 1,
|
|
/*sense_key*/ SSD_KEY_COPY_ABORTED,
|
|
/*asc*/ 0x0d, /*ascq*/ 0x01,
|
|
SSD_ELEM_COMMAND, sizeof(csi), csi,
|
|
SSD_ELEM_NONE);
|
|
return (CTL_RETVAL_ERROR);
|
|
} else
|
|
return (CTL_RETVAL_COMPLETE);
|
|
}
|
|
|
|
TAILQ_INIT(&list->allio);
|
|
seg = (struct scsi_ec_segment_verify *)list->seg[list->curseg];
|
|
sl = tpc_resolve(list, scsi_2btoul(seg->src_cscd), NULL, NULL, NULL);
|
|
if (sl >= CTL_MAX_LUNS) {
|
|
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->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;
|
|
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);
|
|
}
|
|
free(list->buf, M_CTL);
|
|
if (list->abort) {
|
|
ctl_set_task_aborted(list->ctsio);
|
|
return (CTL_RETVAL_ERROR);
|
|
} else if (list->error) {
|
|
ctl_set_sense(list->ctsio, /*current_error*/ 1,
|
|
/*sense_key*/ SSD_KEY_COPY_ABORTED,
|
|
/*asc*/ 0x0d, /*ascq*/ 0x01,
|
|
SSD_ELEM_COMMAND, sizeof(csi), csi,
|
|
SSD_ELEM_NONE);
|
|
return (CTL_RETVAL_ERROR);
|
|
} else
|
|
return (CTL_RETVAL_COMPLETE);
|
|
}
|
|
|
|
TAILQ_INIT(&list->allio);
|
|
seg = (struct scsi_ec_segment_register_key *)list->seg[list->curseg];
|
|
dl = tpc_resolve(list, scsi_2btoul(seg->dst_cscd), NULL, NULL, NULL);
|
|
if (dl >= CTL_MAX_LUNS) {
|
|
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);
|
|
list->buf = malloc(datalen, M_CTL, M_WAITOK);
|
|
ctl_scsi_persistent_res_out(tio->io,
|
|
list->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->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 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)
|
|
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, M_CTL);
|
|
}
|
|
free(list->buf, M_CTL);
|
|
if (list->abort) {
|
|
ctl_set_task_aborted(list->ctsio);
|
|
return (CTL_RETVAL_ERROR);
|
|
} else if (list->error) {
|
|
ctl_set_sense(list->ctsio, /*current_error*/ 1,
|
|
/*sense_key*/ SSD_KEY_COPY_ABORTED,
|
|
/*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
|
|
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_sense(list->ctsio, /*current_error*/ 1,
|
|
/*sense_key*/ SSD_KEY_COPY_ABORTED,
|
|
/*asc*/ 0x0d, /*ascq*/ 0x04, SSD_ELEM_NONE);
|
|
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_sense(list->ctsio, /*current_error*/ 1,
|
|
/*sense_key*/ SSD_KEY_COPY_ABORTED,
|
|
/*asc*/ 0x26, /*ascq*/ 0x0A, SSD_ELEM_NONE);
|
|
return (CTL_RETVAL_ERROR);
|
|
}
|
|
|
|
list->buf = malloc(numbytes, M_CTL, M_WAITOK |
|
|
(list->token == NULL ? M_ZERO : 0));
|
|
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->list = list;
|
|
TAILQ_INSERT_TAIL(&list->allio, tior, links);
|
|
tior->io = tpcl_alloc_io();
|
|
ctl_scsi_read_write(tior->io,
|
|
/*data_ptr*/ &list->buf[donebytes],
|
|
/*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*/ &list->buf[donebytes],
|
|
/*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) {
|
|
ctl_set_sense(list->ctsio, /*current_error*/ 1,
|
|
/*sense_key*/ SSD_KEY_COPY_ABORTED,
|
|
/*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
|
|
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 ctl_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;
|
|
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 scsi_extended_copy *cdb;
|
|
struct scsi_extended_copy_lid1_data *data;
|
|
struct ctl_lun *lun;
|
|
struct tpc_list *list, *tlist;
|
|
uint8_t *ptr;
|
|
char *value;
|
|
int len, off, lencscd, lenseg, leninl, nseg;
|
|
|
|
CTL_DEBUG_PRINT(("ctl_extended_copy_lid1\n"));
|
|
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
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_data_resid = 0;
|
|
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 = ctl_get_opt(&lun->be_lun->options, "insecure_tpc");
|
|
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[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;
|
|
}
|
|
list->seg[nseg] = (struct scsi_ec_segment *)(ptr + off);
|
|
off += sizeof(struct scsi_ec_segment) +
|
|
scsi_2btoul(list->seg[nseg]->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 scsi_extended_copy *cdb;
|
|
struct scsi_extended_copy_lid4_data *data;
|
|
struct ctl_lun *lun;
|
|
struct tpc_list *list, *tlist;
|
|
uint8_t *ptr;
|
|
char *value;
|
|
int len, off, lencscd, lenseg, leninl, nseg;
|
|
|
|
CTL_DEBUG_PRINT(("ctl_extended_copy_lid4\n"));
|
|
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
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_data_resid = 0;
|
|
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 = ctl_get_opt(&lun->be_lun->options, "insecure_tpc");
|
|
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[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;
|
|
}
|
|
list->seg[nseg] = (struct scsi_ec_segment *)(ptr + off);
|
|
off += sizeof(struct scsi_ec_segment) +
|
|
scsi_2btoul(list->seg[nseg]->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 scsi_populate_token *cdb;
|
|
struct scsi_populate_token_data *data;
|
|
struct ctl_softc *softc;
|
|
struct ctl_lun *lun;
|
|
struct ctl_port *port;
|
|
struct tpc_list *list, *tlist;
|
|
struct tpc_token *token;
|
|
int len, lendata, lendesc;
|
|
|
|
CTL_DEBUG_PRINT(("ctl_populate_token\n"));
|
|
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
softc = lun->ctl_softc;
|
|
port = softc->ctl_ports[ctsio->io_hdr.nexus.targ_port];
|
|
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_data_resid = 0;
|
|
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) != 0) {
|
|
ctl_set_lba_out_of_range(ctsio);
|
|
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 scsi_write_using_token *cdb;
|
|
struct scsi_write_using_token_data *data;
|
|
struct ctl_softc *softc;
|
|
struct ctl_lun *lun;
|
|
struct tpc_list *list, *tlist;
|
|
struct tpc_token *token;
|
|
int len, lendata, lendesc;
|
|
|
|
CTL_DEBUG_PRINT(("ctl_write_using_token\n"));
|
|
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
softc = lun->ctl_softc;
|
|
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_data_resid = 0;
|
|
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) != 0) {
|
|
ctl_set_lba_out_of_range(ctsio);
|
|
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;
|
|
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;
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
|
|
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;
|
|
|
|
if (total_len < alloc_len) {
|
|
ctsio->residual = alloc_len - total_len;
|
|
ctsio->kern_data_len = total_len;
|
|
ctsio->kern_total_len = total_len;
|
|
} else {
|
|
ctsio->residual = 0;
|
|
ctsio->kern_data_len = alloc_len;
|
|
ctsio->kern_total_len = alloc_len;
|
|
}
|
|
ctsio->kern_data_resid = 0;
|
|
ctsio->kern_rel_offset = 0;
|
|
|
|
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;
|
|
struct ctl_lun *lun;
|
|
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;
|
|
lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
|
|
softc = lun->ctl_softc;
|
|
|
|
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;
|
|
|
|
if (total_len < alloc_len) {
|
|
ctsio->residual = alloc_len - total_len;
|
|
ctsio->kern_data_len = total_len;
|
|
ctsio->kern_total_len = total_len;
|
|
} else {
|
|
ctsio->residual = 0;
|
|
ctsio->kern_data_len = alloc_len;
|
|
ctsio->kern_total_len = alloc_len;
|
|
}
|
|
ctsio->kern_data_resid = 0;
|
|
ctsio->kern_rel_offset = 0;
|
|
|
|
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);
|
|
}
|
|
|