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-rw-r--r--include/scsi/scsi_cmnd.h9
-rw-r--r--include/scsi/scsi_transport_sas.h7
2 files changed, 6 insertions, 10 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 371f70d9aa92..58e6444eebee 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -58,9 +58,7 @@ struct scsi_cmnd {
int timeout_per_command;
unsigned char cmd_len;
- unsigned char old_cmd_len;
enum dma_data_direction sc_data_direction;
- enum dma_data_direction sc_old_data_direction;
/* These elements define the operation we are about to perform */
#define MAX_COMMAND_SIZE 16
@@ -71,18 +69,11 @@ struct scsi_cmnd {
void *request_buffer; /* Actual requested buffer */
/* These elements define the operation we ultimately want to perform */
- unsigned char data_cmnd[MAX_COMMAND_SIZE];
- unsigned short old_use_sg; /* We save use_sg here when requesting
- * sense info */
unsigned short use_sg; /* Number of pieces of scatter-gather */
unsigned short sglist_len; /* size of malloc'd scatter-gather list */
- unsigned bufflen; /* Size of data buffer */
- void *buffer; /* Data buffer */
unsigned underflow; /* Return error if less than
this amount is transferred */
- unsigned old_underflow; /* save underflow here when reusing the
- * command for error handling */
unsigned transfersize; /* How much we are guaranteed to
transfer with each SCSI transfer
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index e3c503cd175e..6cc2314098cf 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -106,6 +106,7 @@ struct sas_end_device {
struct sas_expander_device {
int level;
+ int next_port_id;
#define SAS_EXPANDER_VENDOR_ID_LEN 8
char vendor_id[SAS_EXPANDER_VENDOR_ID_LEN+1];
@@ -127,8 +128,10 @@ struct sas_expander_device {
struct sas_port {
struct device dev;
- u8 port_identifier;
+ int port_identifier;
int num_phys;
+ /* port flags */
+ unsigned int is_backlink:1;
/* the other end of the link */
struct sas_rphy *rphy;
@@ -168,11 +171,13 @@ extern void sas_rphy_delete(struct sas_rphy *);
extern int scsi_is_sas_rphy(const struct device *);
struct sas_port *sas_port_alloc(struct device *, int);
+struct sas_port *sas_port_alloc_num(struct device *);
int sas_port_add(struct sas_port *);
void sas_port_free(struct sas_port *);
void sas_port_delete(struct sas_port *);
void sas_port_add_phy(struct sas_port *, struct sas_phy *);
void sas_port_delete_phy(struct sas_port *, struct sas_phy *);
+void sas_port_mark_backlink(struct sas_port *);
int scsi_is_sas_port(const struct device *);
extern struct scsi_transport_template *