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
2013-04-26 15:46:09 +00:00 · 2013-04-26 15:46:09 +00:00 · f3c66bac10
commit f3c66bac10
parent 5e3cfe527c
1 changed files with 6 additions and 0 deletions
--- a/sys/sys/ata.h
+++ b/sys/sys/ata.h
@ -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
 *