Add CAM infrastructure to allow reporting when a drive's long read capacity

data changes.

cam_ccb.h:	Add a new advanced information type, CDAI_TYPE_RCAPLONG,
		for long read capacity data.

cam_xpt_internal.h:
		Add a read capacity data pointer and length to struct cam_ed.

cam_xpt.c:	Free the read capacity buffer when a device goes away.
		While we're here, make sure we don't leak memory for other
		malloced fields in struct cam_ed.

scsi_all.c:	Update the scsi_read_capacity_16() to take a uint8_t * and
		a length instead of just a pointer to the parameter data
		structure.  This will hopefully make this function somewhat
		immune to future changes in the parameter data.

scsi_all.h:	Add some extra bit definitions to struct
		scsi_read_capacity_data_long, and bump up the structure
		size to the full size specified by SBC-3.

		Change the prototype for scsi_read_capacity_16().

scsi_da.c:	Register changes in read capacity data with the transport
		layer.  This allows the transport layer to send out an
		async notification to interested parties.  Update the
		dasetgeom() API.

		Use scsi_extract_sense_len() instead of
		scsi_extract_sense().

scsi_xpt.c:	Add support for the new CDAI_TYPE_RCAPLONG advanced
		information type.

		Make sure we set the physpath pointer to NULL after freeing
		it.  This allows blindly freeing it in the struct cam_ed
		destructor.

sys/param.h:	Bump __FreeBSD_version from 1000005 to 1000006 to make it
		easier for third party drivers to determine that the read
		capacity data async notification is available.

camcontrol.c,
mptutil/mpt_cam.c:
		Update these for the new scsi_read_capacity_16() argument
		structure.

Sponsored by:	Spectra Logic

1 files changed, 4 insertions, 4 deletions

diff --git a/sys/cam/scsi/scsi_all.c b/sys/cam/scsi/scsi_all.c
index 93e5658..2622609 100644
--- a/sys/cam/scsi/scsi_all.c
+++ b/sys/cam/scsi/scsi_all.c
@@ -5325,8 +5325,8 @@ void
 scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
 		      uint8_t tag_action, uint64_t lba, int reladr, int pmi,
-		      struct scsi_read_capacity_data_long *rcap_buf,
-		      uint8_t sense_len, uint32_t timeout)
+		      uint8_t *rcap_buf, int rcap_buf_len, uint8_t sense_len,
+		      uint32_t timeout)
 {
 	struct scsi_read_capacity_16 *scsi_cmd;
 
@@ -5337,7 +5337,7 @@ scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
 		      /*flags*/CAM_DIR_IN,
 		      tag_action,
 		      /*data_ptr*/(u_int8_t *)rcap_buf,
-		      /*dxfer_len*/sizeof(*rcap_buf),
+		      /*dxfer_len*/rcap_buf_len,
 		      sense_len,
 		      sizeof(*scsi_cmd),
 		      timeout);
@@ -5346,7 +5346,7 @@ scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
 	scsi_cmd->opcode = SERVICE_ACTION_IN;
 	scsi_cmd->service_action = SRC16_SERVICE_ACTION;
 	scsi_u64to8b(lba, scsi_cmd->addr);
-	scsi_ulto4b(sizeof(*rcap_buf), scsi_cmd->alloc_len);
+	scsi_ulto4b(rcap_buf_len, scsi_cmd->alloc_len);
 	if (pmi)
 		reladr |= SRC16_PMI;
 	if (reladr)