From: Hannes Reinecke <hare@suse.de>
To: Damien Le Moal <damien.lemoal@wdc.com>,
linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
linux-ide@vger.kernel.org
Subject: Re: [PATCH v3 3/4] libata: support concurrent positioning ranges log
Date: Mon, 26 Jul 2021 09:34:43 +0200 [thread overview]
Message-ID: <800d5183-e62c-063f-c4ec-ccd21bea6d43@suse.de> (raw)
In-Reply-To: <20210726013806.84815-4-damien.lemoal@wdc.com>
On 7/26/21 3:38 AM, Damien Le Moal wrote:
> Add support to discover if an ATA device supports the Concurrent
> Positioning Ranges Log (address 0x47), indicating that the device is
> capable of seeking to multiple different locations in parallel using
> multiple actuators serving different LBA ranges.
>
> Also add support to translate the concurrent positioning ranges log
> into its equivalent Concurrent Positioning Ranges VPD page B9h in
> libata-scsi.c.
>
> The format of the Concurrent Positioning Ranges Log is defined in ACS-5
> r9.
>
> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
> ---
> drivers/ata/libata-core.c | 52 +++++++++++++++++++++++++++++++++++++++
> drivers/ata/libata-scsi.c | 48 +++++++++++++++++++++++++++++-------
> include/linux/ata.h | 1 +
> include/linux/libata.h | 15 +++++++++++
> 4 files changed, 107 insertions(+), 9 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
next prev parent reply other threads:[~2021-07-26 7:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-26 1:38 [PATCH v3 0/4] Initial support for multi-actuator HDDs Damien Le Moal
2021-07-26 1:38 ` [PATCH v3 1/4] block: Add concurrent positioning ranges support Damien Le Moal
2021-07-26 7:33 ` Hannes Reinecke
2021-07-26 8:30 ` Damien Le Moal
2021-07-26 8:47 ` Hannes Reinecke
2021-07-26 11:33 ` Damien Le Moal
2021-07-27 14:07 ` Paolo Valente
2021-07-27 23:44 ` Damien Le Moal
2021-08-10 8:23 ` Christoph Hellwig
2021-08-10 11:03 ` Damien Le Moal
2021-08-10 16:02 ` hch
2021-08-10 23:46 ` Damien Le Moal
2021-07-26 1:38 ` [PATCH v3 2/4] scsi: sd: add " Damien Le Moal
2021-08-10 8:24 ` Christoph Hellwig
2021-07-26 1:38 ` [PATCH v3 3/4] libata: support concurrent positioning ranges log Damien Le Moal
2021-07-26 7:34 ` Hannes Reinecke [this message]
2021-08-10 8:26 ` Christoph Hellwig
2021-07-26 1:38 ` [PATCH v3 4/4] doc: document sysfs queue/cranges attributes Damien Le Moal
2021-07-26 7:35 ` Hannes Reinecke
2021-08-10 8:27 ` Christoph Hellwig
2021-08-10 11:04 ` Damien Le Moal
2021-07-28 22:59 ` [PATCH v3 0/4] Initial support for multi-actuator HDDs Damien Le Moal
2021-08-06 2:12 ` Damien Le Moal
2021-08-06 3:41 ` Martin K. Petersen
2021-08-06 4:05 ` Damien Le Moal
2021-08-06 8:35 ` Hannes Reinecke
2021-08-06 8:52 ` Damien Le Moal
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