Date: Fri, 26 Apr 2013 15:46:09 +0000 (UTC) From: Steven Hartland <smh@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r249931 - head/sys/sys Message-ID: <201304261546.r3QFk9qP036650@svn.freebsd.org>
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Author: smh Date: Fri Apr 26 15:46:09 2013 New Revision: 249931 URL: http://svnweb.freebsd.org/changeset/base/249931 Log: Added Dataset Management defines to be used by TRIM in cam ata and scsi to calculate the size of blocks. Reviewed by: mav Approved by: pjd (mentor) MFC after: 2 weeks Modified: head/sys/sys/ata.h Modified: head/sys/sys/ata.h ============================================================================== --- head/sys/sys/ata.h Fri Apr 26 15:43:24 2013 (r249930) +++ head/sys/sys/ata.h Fri Apr 26 15:46:09 2013 (r249931) @@ -269,6 +269,12 @@ struct ata_params { /*255*/ u_int16_t integrity; } __packed; +/* ATA Dataset Management */ +#define ATA_DSM_BLK_SIZE 512 +#define ATA_DSM_BLK_RANGES 64 +#define ATA_DSM_RANGE_SIZE 8 +#define ATA_DSM_RANGE_MAX 65535 + /* * ATA Device Register *
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