Skip site navigation (1)Skip section navigation (2) 
Date:      Thu, 24 Sep 2015 08:04:48 +0000 (UTC)
From:      Alexander Motin <mav@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r288166 - in head/sys/cam: ctl scsi
Message-ID:  <201509240804.t8O84m4h012404@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help 
Author: mav
Date: Thu Sep 24 08:04:47 2015
New Revision: 288166
URL: https://svnweb.freebsd.org/changeset/base/288166

Log:
  Update WRITE ATOMIC(16) support to sbc4r8 draft.
  
  This is only a cosmetic change.  We still don't support atomic boundary
  field in the CDB, but at least now we do it formally.

Modified:
  head/sys/cam/ctl/ctl.c
  head/sys/cam/ctl/scsi_ctl.c
  head/sys/cam/scsi/scsi_all.h

Modified: head/sys/cam/ctl/ctl.c
==============================================================================
--- head/sys/cam/ctl/ctl.c	Thu Sep 24 07:16:34 2015	(r288165)
+++ head/sys/cam/ctl/ctl.c	Thu Sep 24 08:04:47 2015	(r288166)
@@ -8940,7 +8940,7 @@ ctl_read_write(struct ctl_scsiio *ctsio)
 		break;
 	}
 	case WRITE_ATOMIC_16: {
-		struct scsi_rw_16 *cdb;
+		struct scsi_write_atomic_16 *cdb;
 
 		if (lun->be_lun->atomicblock == 0) {
 			ctl_set_invalid_opcode(ctsio);
@@ -8948,13 +8948,13 @@ ctl_read_write(struct ctl_scsiio *ctsio)
 			return (CTL_RETVAL_COMPLETE);
 		}
 
-		cdb = (struct scsi_rw_16 *)ctsio->cdb;
+		cdb = (struct scsi_write_atomic_16 *)ctsio->cdb;
 		if (cdb->byte2 & SRW12_FUA)
 			flags |= CTL_LLF_FUA;
 		if (cdb->byte2 & SRW12_DPO)
 			flags |= CTL_LLF_DPO;
 		lba = scsi_8btou64(cdb->addr);
-		num_blocks = scsi_4btoul(cdb->length);
+		num_blocks = scsi_2btoul(cdb->length);
 		if (num_blocks > lun->be_lun->atomicblock) {
 			ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
 			    /*command*/ 1, /*field*/ 12, /*bit_valid*/ 0,
@@ -10148,6 +10148,8 @@ ctl_inquiry_evpd_block_limits(struct ctl
 		    bl_ptr->max_atomic_transfer_length);
 		scsi_ulto4b(0, bl_ptr->atomic_alignment);
 		scsi_ulto4b(0, bl_ptr->atomic_transfer_length_granularity);
+		scsi_ulto4b(0, bl_ptr->max_atomic_transfer_length_with_atomic_boundary);
+		scsi_ulto4b(0, bl_ptr->max_atomic_boundary_size);
 	}
 	scsi_u64to8b(UINT64_MAX, bl_ptr->max_write_same_length);
 
@@ -10647,8 +10649,7 @@ ctl_get_lba_len(union ctl_io *io, uint64
 		break;
 	}
 	case READ_16:
-	case WRITE_16:
-	case WRITE_ATOMIC_16: {
+	case WRITE_16: {
 		struct scsi_rw_16 *cdb;
 
 		cdb = (struct scsi_rw_16 *)io->scsiio.cdb;
@@ -10657,6 +10658,15 @@ ctl_get_lba_len(union ctl_io *io, uint64
 		*len = scsi_4btoul(cdb->length);
 		break;
 	}
+	case WRITE_ATOMIC_16: {
+		struct scsi_write_atomic_16 *cdb;
+
+		cdb = (struct scsi_write_atomic_16 *)io->scsiio.cdb;
+
+		*lba = scsi_8btou64(cdb->addr);
+		*len = scsi_2btoul(cdb->length);
+		break;
+	}
 	case WRITE_VERIFY_16: {
 		struct scsi_write_verify_16 *cdb;
 

Modified: head/sys/cam/ctl/scsi_ctl.c
==============================================================================
--- head/sys/cam/ctl/scsi_ctl.c	Thu Sep 24 07:16:34 2015	(r288165)
+++ head/sys/cam/ctl/scsi_ctl.c	Thu Sep 24 08:04:47 2015	(r288166)
@@ -1068,7 +1068,6 @@ ctlfe_adjust_cdb(struct ccb_accept_tio *
 	}
 	case READ_16:
 	case WRITE_16:
-	case WRITE_ATOMIC_16:
 	{
 		struct scsi_rw_16 *cdb = (struct scsi_rw_16 *)cmdbyt;
 		lba = scsi_8btou64(cdb->addr);

Modified: head/sys/cam/scsi/scsi_all.h
==============================================================================
--- head/sys/cam/scsi/scsi_all.h	Thu Sep 24 07:16:34 2015	(r288165)
+++ head/sys/cam/scsi/scsi_all.h	Thu Sep 24 08:04:47 2015	(r288166)
@@ -1283,6 +1283,17 @@ struct scsi_rw_16
 	u_int8_t control;
 };
 
+struct scsi_write_atomic_16
+{
+	uint8_t	opcode;
+	uint8_t	byte2;
+	uint8_t	addr[8];
+	uint8_t	boundary[2];
+	uint8_t	length[2];
+	uint8_t	group;
+	uint8_t	control;
+};
+
 struct scsi_write_same_10
 {
 	uint8_t	opcode;
@@ -2757,7 +2768,8 @@ struct scsi_vpd_block_limits
 	u_int8_t max_atomic_transfer_length[4];
 	u_int8_t atomic_alignment[4];
 	u_int8_t atomic_transfer_length_granularity[4];
-	u_int8_t reserved2[8];
+	u_int8_t max_atomic_transfer_length_with_atomic_boundary[4];
+	u_int8_t max_atomic_boundary_size[4];
 };
 
 struct scsi_read_capacity

Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201509240804.t8O84m4h012404>