diff options
Diffstat (limited to 'include/scsi/scsi_transport_sas.h')
| -rw-r--r-- | include/scsi/scsi_transport_sas.h | 59 |
1 files changed, 39 insertions, 20 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 53024377f3b..0bd71e2702e 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -4,24 +4,17 @@ #include <linux/transport_class.h> #include <linux/types.h> #include <linux/mutex.h> +#include <scsi/sas.h> struct scsi_transport_template; struct sas_rphy; +struct request; - -enum sas_device_type { - SAS_PHY_UNUSED, - SAS_END_DEVICE, - SAS_EDGE_EXPANDER_DEVICE, - SAS_FANOUT_EXPANDER_DEVICE, -}; - -enum sas_protocol { - SAS_PROTOCOL_SATA = 0x01, - SAS_PROTOCOL_SMP = 0x02, - SAS_PROTOCOL_STP = 0x04, - SAS_PROTOCOL_SSP = 0x08, -}; +static inline int sas_protocol_ata(enum sas_protocol proto) +{ + return ((proto & SAS_PROTOCOL_SATA) || + (proto & SAS_PROTOCOL_STP))? 1 : 0; +} enum sas_linkrate { /* These Values are defined in the SAS standard */ @@ -36,6 +29,7 @@ enum sas_linkrate { SAS_LINK_RATE_3_0_GBPS = 9, SAS_LINK_RATE_G2 = SAS_LINK_RATE_3_0_GBPS, SAS_LINK_RATE_6_0_GBPS = 10, + SAS_LINK_RATE_12_0_GBPS = 11, /* These are virtual to the transport class and may never * be signalled normally since the standard defined field * is only 4 bits */ @@ -54,6 +48,7 @@ struct sas_identify { struct sas_phy { struct device dev; int number; + int enabled; /* phy identification */ struct sas_identify identify; @@ -73,26 +68,31 @@ struct sas_phy { /* for the list of phys belonging to a port */ struct list_head port_siblings; + + /* available to the lldd */ + void *hostdata; }; #define dev_to_phy(d) \ container_of((d), struct sas_phy, dev) -#define transport_class_to_phy(cdev) \ - dev_to_phy((cdev)->dev) +#define transport_class_to_phy(dev) \ + dev_to_phy((dev)->parent) #define phy_to_shost(phy) \ dev_to_shost((phy)->dev.parent) +struct request_queue; struct sas_rphy { struct device dev; struct sas_identify identify; struct list_head list; + struct request_queue *q; u32 scsi_target_id; }; #define dev_to_rphy(d) \ container_of((d), struct sas_rphy, dev) -#define transport_class_to_rphy(cdev) \ - dev_to_rphy((cdev)->dev) +#define transport_class_to_rphy(dev) \ + dev_to_rphy((dev)->parent) #define rphy_to_shost(rphy) \ dev_to_shost((rphy)->dev.parent) #define target_to_rphy(targ) \ @@ -102,6 +102,8 @@ struct sas_end_device { struct sas_rphy rphy; /* flags */ unsigned ready_led_meaning:1; + unsigned tlr_supported:1; + unsigned tlr_enabled:1; /* parameters */ u16 I_T_nexus_loss_timeout; u16 initiator_response_timeout; @@ -147,8 +149,8 @@ struct sas_port { #define dev_to_sas_port(d) \ container_of((d), struct sas_port, dev) -#define transport_class_to_sas_port(cdev) \ - dev_to_sas_port((cdev)->dev) +#define transport_class_to_sas_port(dev) \ + dev_to_sas_port((dev)->parent) struct sas_phy_linkrates { enum sas_linkrate maximum_linkrate; @@ -161,7 +163,11 @@ struct sas_function_template { int (*get_enclosure_identifier)(struct sas_rphy *, u64 *); int (*get_bay_identifier)(struct sas_rphy *); int (*phy_reset)(struct sas_phy *, int); + int (*phy_enable)(struct sas_phy *, int); + int (*phy_setup)(struct sas_phy *); + void (*phy_release)(struct sas_phy *); int (*set_phy_speed)(struct sas_phy *, struct sas_phy_linkrates *); + int (*smp_handler)(struct Scsi_Host *, struct sas_rphy *, struct request *); }; @@ -174,11 +180,18 @@ extern int sas_phy_add(struct sas_phy *); extern void sas_phy_delete(struct sas_phy *); extern int scsi_is_sas_phy(const struct device *); +unsigned int sas_tlr_supported(struct scsi_device *); +unsigned int sas_is_tlr_enabled(struct scsi_device *); +void sas_disable_tlr(struct scsi_device *); +void sas_enable_tlr(struct scsi_device *); + extern struct sas_rphy *sas_end_device_alloc(struct sas_port *); extern struct sas_rphy *sas_expander_alloc(struct sas_port *, enum sas_device_type); void sas_rphy_free(struct sas_rphy *); extern int sas_rphy_add(struct sas_rphy *); +extern void sas_rphy_remove(struct sas_rphy *); extern void sas_rphy_delete(struct sas_rphy *); +extern void sas_rphy_unlink(struct sas_rphy *); extern int scsi_is_sas_rphy(const struct device *); struct sas_port *sas_port_alloc(struct device *, int); @@ -190,6 +203,12 @@ 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 *); +struct sas_phy *sas_port_get_phy(struct sas_port *port); +static inline void sas_port_put_phy(struct sas_phy *phy) +{ + if (phy) + put_device(&phy->dev); +} extern struct scsi_transport_template * sas_attach_transport(struct sas_function_template *); |