MFC r273073: Some groundwork for later Informational Exceptions support.

This includes support for:
 - Read-Write Error Recovery mode page;
 - Informational Exceptions Control mode page;
 - Logical Block Provisioning mode page;
 - LOG SENSE command.

No real Informational Exceptions features yet. This is only a placeholder.

1 files changed, 25 insertions, 3 deletions

diff --git a/sys/cam/scsi/scsi_all.h b/sys/cam/scsi/scsi_all.h
index fbb131e..1f5fde1 100644
--- a/sys/cam/scsi/scsi_all.h
+++ b/sys/cam/scsi/scsi_all.h
@@ -551,7 +551,7 @@ struct scsi_log_sense
 #define	SLS_PPC				0x02
 	u_int8_t page;
 #define	SLS_PAGE_CODE 			0x3F
-#define	SLS_ALL_PAGES_PAGE		0x00
+#define	SLS_SUPPORTED_PAGES_PAGE	0x00
 #define	SLS_OVERRUN_PAGE		0x01
 #define	SLS_ERROR_WRITE_PAGE		0x02
 #define	SLS_ERROR_READ_PAGE		0x03
@@ -566,7 +566,9 @@ struct scsi_log_sense
 #define	SLS_PAGE_CTRL_CUMULATIVE	0x40
 #define	SLS_PAGE_CTRL_THRESH_DEFAULT	0x80
 #define	SLS_PAGE_CTRL_CUMUL_DEFAULT	0xC0
-	u_int8_t reserved[2];
+	u_int8_t subpage;
+#define	SLS_SUPPORTED_SUBPAGES_SUBPAGE	0xff
+	u_int8_t reserved;
 	u_int8_t paramptr[2];
 	u_int8_t length[2];
 	u_int8_t control;
@@ -592,7 +594,10 @@ struct scsi_log_select
 struct scsi_log_header
 {
 	u_int8_t page;
-	u_int8_t reserved;
+#define	SL_PAGE_CODE			0x3F
+#define	SL_SPF				0x40
+#define	SL_DS				0x80
+	u_int8_t subpage;
 	u_int8_t datalen[2];
 };
 
@@ -767,6 +772,23 @@ struct scsi_info_exceptions_page {
 	u_int8_t report_count[4];
 };
 
+struct scsi_logical_block_provisioning_page_descr {
+	uint8_t flags;
+	uint8_t resource;
+	uint8_t reserved[2];
+	uint8_t count[4];
+};
+
+struct scsi_logical_block_provisioning_page {
+	uint8_t page_code;
+	uint8_t subpage_code;
+	uint8_t page_length[2];
+	uint8_t flags;
+#define	SLBPP_SITUA		0x01
+	uint8_t reserved[11];
+	struct scsi_logical_block_provisioning_page_descr descr[0];
+};
+
 /*
  * SCSI protocol identifier values, current as of SPC4r36l.
  */