linux-kernel - [PATCH RFC v3 0/7] blk-mq/libata/scsi: SCSI driver tagging improvements Part II

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Message-ID: <1666693976-181094-1-git-send-email-john.garry@huawei.com>
Date:   Tue, 25 Oct 2022 18:32:49 +0800
From:   John Garry <john.garry@...wei.com>
To:     <damien.lemoal@...nsource.wdc.com>, <jejb@...ux.ibm.com>,
        <martin.petersen@...cle.com>, <hare@...e.de>, <bvanassche@....org>,
        <hch@....de>, <ming.lei@...hat.com>, <niklas.cassel@....com>
CC:     <axboe@...nel.dk>, <jinpu.wang@...ud.ionos.com>,
        <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-ide@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
        <linuxarm@...wei.com>, John Garry <john.garry@...wei.com>
Subject: [PATCH RFC v3 0/7] blk-mq/libata/scsi: SCSI driver tagging improvements Part II

This is a follow on to Part I in the following:
https://lore.kernel.org/linux-scsi/1666693096-180008-1-git-send-email-john.garry@huawei.com/T/#ta

This mostly focuses on libata changes to queue internal commands as
requests.

This is less complete than Part I series, due to:
- not tested on SATA PMP
- not support for ipr.c, which does not
  support ata_port_operations.error_handler
- Not tested enough - for example, there are prob lots of issues lurking
  in libata qc iter functions now that ata_port.qcmd[] is deleted

John Garry (7):
  ata: libata-scsi: Add ata_scsi_queue_internal()
  ata: libata-scsi: Add ata_internal_queuecommand()
  ata: libata: Make space for ATA queue command in scmd payload
  ata: libata: Add ata_internal_timeout()
  ata: libata: Queue ATA internal commands as requests
  scsi: mvsas: Remove internal tag handling
  scsi: hisi_sas: Remove internal tag handling for reserved commands

 drivers/ata/libata-core.c              | 141 ++++++++++++++-----------
 drivers/ata/libata-eh.c                |  11 +-
 drivers/ata/libata-sata.c              |   5 +-
 drivers/ata/libata-scsi.c              |  76 ++++++++++++-
 drivers/ata/libata.h                   |   3 +-
 drivers/scsi/aic94xx/aic94xx_init.c    |   2 +
 drivers/scsi/hisi_sas/hisi_sas.h       |   3 -
 drivers/scsi/hisi_sas/hisi_sas_main.c  |  82 +++-----------
 drivers/scsi/hisi_sas/hisi_sas_v1_hw.c |   2 +
 drivers/scsi/hisi_sas/hisi_sas_v2_hw.c |   2 +
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c |  11 +-
 drivers/scsi/isci/init.c               |   2 +
 drivers/scsi/libsas/sas_scsi_host.c    |  20 +++-
 drivers/scsi/mvsas/mv_init.c           |  13 +--
 drivers/scsi/mvsas/mv_sas.c            |  55 +---------
 drivers/scsi/mvsas/mv_sas.h            |   1 -
 drivers/scsi/pm8001/pm8001_init.c      |   2 +
 include/linux/libata.h                 |  64 ++++++++++-
 include/scsi/libsas.h                  |   8 +-
 19 files changed, 281 insertions(+), 222 deletions(-)

-- 
2.35.3