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572c01ba19
This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas, megaraid_sas, zfcp and a host of minor updates. The major driver change here is the elimination of the block based cciss driver in favour of the SCSI based hpsa driver (which now drives all the legacy cases cciss used to be required for). Plus a reset handler clean up and the redo of the SAS SMP handler to use bsg lib. Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJZscDNAAoJEAVr7HOZEZN4DWIQAK/UkkrvKpV/jLATM/yi7CoL QidY86Hmwwl7A9HQ+2fjLfAsye0xcCzRwkucKK90IP5b4pefHhiJJfiMKAAe3TUW xstnY5z5jaOhDG4nyJFoSm5fH5qXkMnJ8NZRK8f6Qg5yBN5dStEKqoBboNsz4KBI md7idw0mbp5i2GXlJwSpc5eDS97GiPL6WkwgGaGKfXF1NDau0GbEdjijfz55haCD pMhY7WJh/71RfOq/1ThXT1Z3khOlVcKXrkdO+602n7zh/klRBRtBC8m2a6xCfZPj n7Pb/s0jhCQPd+e/Xtv7WEbY8uNOCrGoVgZ6U5EGrT5IeTfep24ackYqerjMhE63 esi4BJY8lUP9SGleLMgjYWyCHdmxBJRa7UI614DWN/H0QoGP6j/2EzGoi5Fw04vC H8/+aqPPWZc9KUBioRYo8xWO8YgMqL2eyXY+Tc9cwxqAe2T6k/NC1zJVgDFKXfzb QoWW4v9NNmYwf5vL/7tNgkeTMFQV66yUR7dR3SGTSk8UIrJ40ok0JyUAsDg86ZAH BfMkWwhWQ6Byoel0Y7Ti88T49Cox/64r/I0ux06Qgg99+KpRLT7z20+GLIEHgXxg 116C39rgvYKqzc7W8RCyj8qSROuMVzg6QFbB6n+1PEsYIX2O8A2Re3jdS34q2LbX aBDm/Lfdl4kkJrV9xY6P =nQUG -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas, megaraid_sas, zfcp and a host of minor updates. The major driver change here is the elimination of the block based cciss driver in favour of the SCSI based hpsa driver (which now drives all the legacy cases cciss used to be required for). Plus a reset handler clean up and the redo of the SAS SMP handler to use bsg lib" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits) scsi: scsi-mq: Always unprepare before requeuing a request scsi: Show .retries and .jiffies_at_alloc in debugfs scsi: Improve requeuing behavior scsi: Call scsi_initialize_rq() for filesystem requests scsi: qla2xxx: Reset the logo flag, after target re-login. scsi: qla2xxx: Fix slow mem alloc behind lock scsi: qla2xxx: Clear fc4f_nvme flag scsi: qla2xxx: add missing includes for qla_isr scsi: qla2xxx: Fix an integer overflow in sysfs code scsi: aacraid: report -ENOMEM to upper layer from aac_convert_sgraw2() scsi: aacraid: get rid of one level of indentation scsi: aacraid: fix indentation errors scsi: storvsc: fix memory leak on ring buffer busy scsi: scsi_transport_sas: switch to bsg-lib for SMP passthrough scsi: smartpqi: remove the smp_handler stub scsi: hpsa: remove the smp_handler stub scsi: bsg-lib: pass the release callback through bsg_setup_queue scsi: Rework handling of scsi_device.vpd_pg8[03] scsi: Rework the code for caching Vital Product Data (VPD) scsi: rcu: Introduce rcu_swap_protected() ...
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/*
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* BSG helper library
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*
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* Copyright (C) 2008 James Smart, Emulex Corporation
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* Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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* Copyright (C) 2011 Mike Christie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef _BLK_BSG_
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#define _BLK_BSG_
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#include <linux/blkdev.h>
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#include <scsi/scsi_request.h>
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struct request;
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struct device;
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struct scatterlist;
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struct request_queue;
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struct bsg_buffer {
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unsigned int payload_len;
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int sg_cnt;
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struct scatterlist *sg_list;
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};
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struct bsg_job {
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struct scsi_request sreq;
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struct device *dev;
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struct request *req;
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struct kref kref;
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/* Transport/driver specific request/reply structs */
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void *request;
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void *reply;
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unsigned int request_len;
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unsigned int reply_len;
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/*
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* On entry : reply_len indicates the buffer size allocated for
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* the reply.
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*
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* Upon completion : the message handler must set reply_len
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* to indicates the size of the reply to be returned to the
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* caller.
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*/
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/* DMA payloads for the request/response */
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struct bsg_buffer request_payload;
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struct bsg_buffer reply_payload;
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void *dd_data; /* Used for driver-specific storage */
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};
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void bsg_job_done(struct bsg_job *job, int result,
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unsigned int reply_payload_rcv_len);
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struct request_queue *bsg_setup_queue(struct device *dev, const char *name,
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bsg_job_fn *job_fn, int dd_job_size,
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void (*release)(struct device *));
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void bsg_job_put(struct bsg_job *job);
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int __must_check bsg_job_get(struct bsg_job *job);
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#endif
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