1 #ifndef SCSI_TRANSPORT_SAS_H 2 #define SCSI_TRANSPORT_SAS_H 3 4 #include <linux/transport_class.h> 5 #include <linux/types.h> 6 7 struct scsi_transport_template; 8 struct sas_rphy; 9 10 11 enum sas_device_type { 12 SAS_PHY_UNUSED, 13 SAS_END_DEVICE, 14 SAS_EDGE_EXPANDER_DEVICE, 15 SAS_FANOUT_EXPANDER_DEVICE, 16 }; 17 18 enum sas_protocol { 19 SAS_PROTOCOL_SATA = 0x01, 20 SAS_PROTOCOL_SMP = 0x02, 21 SAS_PROTOCOL_STP = 0x04, 22 SAS_PROTOCOL_SSP = 0x08, 23 }; 24 25 enum sas_linkrate { 26 SAS_LINK_RATE_UNKNOWN, 27 SAS_PHY_DISABLED, 28 SAS_LINK_RATE_FAILED, 29 SAS_SATA_SPINUP_HOLD, 30 SAS_SATA_PORT_SELECTOR, 31 SAS_LINK_RATE_1_5_GBPS, 32 SAS_LINK_RATE_3_0_GBPS, 33 SAS_LINK_VIRTUAL, 34 }; 35 36 struct sas_identify { 37 enum sas_device_type device_type; 38 enum sas_protocol initiator_port_protocols; 39 enum sas_protocol target_port_protocols; 40 u64 sas_address; 41 u8 phy_identifier; 42 }; 43 44 /* The functions by which the transport class and the driver communicate */ 45 struct sas_function_template { 46 }; 47 48 struct sas_phy { 49 struct device dev; 50 int number; 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; 57 u8 port_identifier; 58 struct sas_rphy *rphy; 59 }; 60 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) 67 68 struct sas_rphy { 69 struct device dev; 70 struct sas_identify identify; 71 struct list_head list; 72 u32 scsi_target_id; 73 }; 74 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) 81 82 extern void sas_remove_host(struct Scsi_Host *); 83 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 *); 89 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 *); 95 96 extern struct scsi_transport_template * 97 sas_attach_transport(struct sas_function_template *); 98 extern void sas_release_transport(struct scsi_transport_template *); 99 100 #endif /* SCSI_TRANSPORT_SAS_H */ 101