1 #ifndef SCSI_TRANSPORT_SAS_H
2 #define SCSI_TRANSPORT_SAS_H
4 #include <linux/transport_class.h>
5 #include <linux/types.h>
7 struct scsi_transport_template
;
11 enum sas_device_type
{
14 SAS_EDGE_EXPANDER_DEVICE
,
15 SAS_FANOUT_EXPANDER_DEVICE
,
19 SAS_PROTOCOL_SATA
= 0x01,
20 SAS_PROTOCOL_SMP
= 0x02,
21 SAS_PROTOCOL_STP
= 0x04,
22 SAS_PROTOCOL_SSP
= 0x08,
26 SAS_LINK_RATE_UNKNOWN
,
30 SAS_SATA_PORT_SELECTOR
,
31 SAS_LINK_RATE_1_5_GBPS
,
32 SAS_LINK_RATE_3_0_GBPS
,
37 enum sas_device_type device_type
;
38 enum sas_protocol initiator_port_protocols
;
39 enum sas_protocol target_port_protocols
;
44 /* The functions by which the transport class and the driver communicate */
45 struct sas_function_template
{
51 struct sas_identify identify
;
52 enum sas_linkrate negotiated_linkrate
;
53 enum sas_linkrate minimum_linkrate_hw
;
54 enum sas_linkrate minimum_linkrate
;
55 enum sas_linkrate maximum_linkrate_hw
;
56 enum sas_linkrate maximum_linkrate
;
58 struct sas_rphy
*rphy
;
61 #define dev_to_phy(d) \
62 container_of((d), struct sas_phy, dev)
63 #define transport_class_to_phy(cdev) \
64 dev_to_phy((cdev)->dev)
65 #define phy_to_shost(phy) \
66 dev_to_shost((phy)->dev.parent)
70 struct sas_identify identify
;
71 struct list_head list
;
75 #define dev_to_rphy(d) \
76 container_of((d), struct sas_rphy, dev)
77 #define transport_class_to_rphy(cdev) \
78 dev_to_rphy((cdev)->dev)
79 #define rphy_to_shost(rphy) \
80 dev_to_shost((rphy)->dev.parent)
82 extern void sas_remove_host(struct Scsi_Host
*);
84 extern struct sas_phy
*sas_phy_alloc(struct device
*, int);
85 extern void sas_phy_free(struct sas_phy
*);
86 extern int sas_phy_add(struct sas_phy
*);
87 extern void sas_phy_delete(struct sas_phy
*);
88 extern int scsi_is_sas_phy(const struct device
*);
90 extern struct sas_rphy
*sas_rphy_alloc(struct sas_phy
*);
91 void sas_rphy_free(struct sas_rphy
*);
92 extern int sas_rphy_add(struct sas_rphy
*);
93 extern void sas_rphy_delete(struct sas_rphy
*);
94 extern int scsi_is_sas_rphy(const struct device
*);
96 extern struct scsi_transport_template
*
97 sas_attach_transport(struct sas_function_template
*);
98 extern void sas_release_transport(struct scsi_transport_template
*);
100 #endif /* SCSI_TRANSPORT_SAS_H */