diff options
Diffstat (limited to 'include/scsi/scsi_transport_fc.h')
| -rw-r--r-- | include/scsi/scsi_transport_fc.h | 86 |
1 files changed, 72 insertions, 14 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index 7db2dd783834..d02b55261307 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -12,7 +12,7 @@ #include <linux/sched.h> #include <linux/bsg-lib.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <scsi/scsi.h> #include <scsi/scsi_netlink.h> #include <scsi/scsi_host.h> @@ -67,6 +67,7 @@ enum fc_port_state { FC_PORTSTATE_ERROR, FC_PORTSTATE_LOOPBACK, FC_PORTSTATE_DELETED, + FC_PORTSTATE_MARGINAL, }; @@ -124,6 +125,7 @@ enum fc_vport_state { #define FC_PORTSPEED_25GBIT 0x800 #define FC_PORTSPEED_64GBIT 0x1000 #define FC_PORTSPEED_128GBIT 0x2000 +#define FC_PORTSPEED_256GBIT 0x4000 #define FC_PORTSPEED_NOT_NEGOTIATED (1 << 15) /* Speed not established */ /* @@ -284,6 +286,36 @@ struct fc_rport_identifiers { u32 roles; }; +/* + * Fabric Performance Impact Notification Statistics + */ +struct fc_fpin_stats { + /* Delivery */ + u64 dn; + u64 dn_unknown; + u64 dn_timeout; + u64 dn_unable_to_route; + u64 dn_device_specific; + + /* Link Integrity */ + u64 li; + u64 li_failure_unknown; + u64 li_link_failure_count; + u64 li_loss_of_sync_count; + u64 li_loss_of_signals_count; + u64 li_prim_seq_err_count; + u64 li_invalid_tx_word_count; + u64 li_invalid_crc_count; + u64 li_device_specific; + + /* Congestion/Peer Congestion */ + u64 cn; + u64 cn_clear; + u64 cn_lost_credit; + u64 cn_credit_stall; + u64 cn_oversubscription; + u64 cn_device_specific; +}; /* Macro for use in defining Remote Port attributes */ #define FC_RPORT_ATTR(_name,_mode,_show,_store) \ @@ -325,6 +357,7 @@ struct fc_rport { /* aka fc_starget_attrs */ /* Dynamic Attributes */ u32 dev_loss_tmo; /* Remote Port loss timeout in seconds. */ + struct fc_fpin_stats fpin_stats; /* Private (Transport-managed) Attributes */ u64 node_name; @@ -436,6 +469,9 @@ struct fc_host_statistics { u64 fc_seq_not_found; /* seq is not found for exchange */ u64 fc_non_bls_resp; /* a non BLS response frame with a sequence responder in new exch */ + /* Host Congestion Signals */ + u64 cn_sig_warn; + u64 cn_sig_alarm; }; @@ -460,6 +496,7 @@ enum fc_host_event_code { FCH_EVT_PORT_FABRIC = 0x204, FCH_EVT_LINK_UNKNOWN = 0x500, FCH_EVT_LINK_FPIN = 0x501, + FCH_EVT_LINK_FPIN_ACK = 0x502, FCH_EVT_VENDOR_UNIQUE = 0xffff, }; @@ -481,10 +518,11 @@ enum fc_host_event_code { * managed by the transport w/o driver interaction. */ +#define FC_VENDOR_IDENTIFIER 8 #define FC_FC4_LIST_SIZE 32 #define FC_SYMBOLIC_NAME_SIZE 256 #define FC_VERSION_STRING_SIZE 64 -#define FC_SERIAL_NUMBER_SIZE 80 +#define FC_SERIAL_NUMBER_SIZE 64 struct fc_host_attrs { /* Fixed Attributes */ @@ -496,6 +534,10 @@ struct fc_host_attrs { u32 supported_speeds; u32 maxframe_size; u16 max_npiv_vports; + u32 max_ct_payload; + u32 num_ports; + u32 num_discovered_ports; + u32 bootbios_state; char serial_number[FC_SERIAL_NUMBER_SIZE]; char manufacturer[FC_SERIAL_NUMBER_SIZE]; char model[FC_SYMBOLIC_NAME_SIZE]; @@ -504,6 +546,9 @@ struct fc_host_attrs { char driver_version[FC_VERSION_STRING_SIZE]; char firmware_version[FC_VERSION_STRING_SIZE]; char optionrom_version[FC_VERSION_STRING_SIZE]; + char vendor_identifier[FC_VENDOR_IDENTIFIER]; + char bootbios_version[FC_SYMBOLIC_NAME_SIZE]; + /* Dynamic Attributes */ u32 port_id; @@ -515,6 +560,7 @@ struct fc_host_attrs { char symbolic_name[FC_SYMBOLIC_NAME_SIZE]; char system_hostname[FC_SYMBOLIC_NAME_SIZE]; u32 dev_loss_tmo; + struct fc_fpin_stats fpin_stats; /* Private (Transport-managed) Attributes */ enum fc_tgtid_binding_type tgtid_bind_type; @@ -529,13 +575,14 @@ struct fc_host_attrs { u16 npiv_vports_inuse; /* work queues for rport state manipulation */ - char work_q_name[20]; struct workqueue_struct *work_q; - char devloss_work_q_name[20]; struct workqueue_struct *devloss_work_q; /* bsg support */ struct request_queue *rqst_q; + + /* FDMI support version*/ + u8 fdmi_version; }; #define shost_to_fc_host(x) \ @@ -605,16 +652,24 @@ struct fc_host_attrs { (((struct fc_host_attrs *)(x)->shost_data)->next_vport_number) #define fc_host_npiv_vports_inuse(x) \ (((struct fc_host_attrs *)(x)->shost_data)->npiv_vports_inuse) -#define fc_host_work_q_name(x) \ - (((struct fc_host_attrs *)(x)->shost_data)->work_q_name) #define fc_host_work_q(x) \ (((struct fc_host_attrs *)(x)->shost_data)->work_q) -#define fc_host_devloss_work_q_name(x) \ - (((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q_name) #define fc_host_devloss_work_q(x) \ (((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q) #define fc_host_dev_loss_tmo(x) \ (((struct fc_host_attrs *)(x)->shost_data)->dev_loss_tmo) +#define fc_host_max_ct_payload(x) \ + (((struct fc_host_attrs *)(x)->shost_data)->max_ct_payload) +#define fc_host_vendor_identifier(x) \ + (((struct fc_host_attrs *)(x)->shost_data)->vendor_identifier) +#define fc_host_num_discovered_ports(x) \ + (((struct fc_host_attrs *)(x)->shost_data)->num_discovered_ports) +#define fc_host_num_ports(x) \ + (((struct fc_host_attrs *)(x)->shost_data)->num_ports) +#define fc_host_bootbios_version(x) \ + (((struct fc_host_attrs *)(x)->shost_data)->bootbios_version) +#define fc_host_bootbios_state(x) \ + (((struct fc_host_attrs *)(x)->shost_data)->bootbios_state) /* The functions by which the transport class and the driver communicate */ struct fc_function_template { @@ -648,6 +703,7 @@ struct fc_function_template { int (*vport_delete)(struct fc_vport *); /* bsg support */ + u32 max_bsg_segments; int (*bsg_request)(struct bsg_job *); int (*bsg_timeout)(struct bsg_job *); @@ -706,14 +762,12 @@ struct fc_function_template { unsigned long disable_target_scan:1; }; - /** * fc_remote_port_chkready - called to validate the remote port state * prior to initiating io to the port. - * - * Returns a scsi result code that can be returned by the LLDD. - * * @rport: remote port to be checked + * + * Returns: a scsi result code that can be returned by the LLDD. **/ static inline int fc_remote_port_chkready(struct fc_rport *rport) @@ -722,6 +776,7 @@ fc_remote_port_chkready(struct fc_rport *rport) switch (rport->port_state) { case FC_PORTSTATE_ONLINE: + case FC_PORTSTATE_MARGINAL: if (rport->roles & FC_PORT_ROLE_FCP_TARGET) result = 0; else if (rport->flags & FC_RPORT_DEVLOSS_PENDING) @@ -786,6 +841,7 @@ void fc_host_post_event(struct Scsi_Host *shost, u32 event_number, enum fc_host_event_code event_code, u32 event_data); void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number, u32 data_len, char *data_buf, u64 vendor_id); +struct fc_rport *fc_find_rport_by_wwpn(struct Scsi_Host *shost, u64 wwpn); void fc_host_post_fc_event(struct Scsi_Host *shost, u32 event_number, enum fc_host_event_code event_code, u32 data_len, char *data_buf, u64 vendor_id); @@ -795,13 +851,15 @@ void fc_host_post_fc_event(struct Scsi_Host *shost, u32 event_number, * Note: when calling fc_host_post_fc_event(), vendor_id may be * specified as 0. */ -void fc_host_fpin_rcv(struct Scsi_Host *shost, u32 fpin_len, char *fpin_buf); +void fc_host_fpin_rcv(struct Scsi_Host *shost, u32 fpin_len, char *fpin_buf, + u8 event_acknowledge); struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel, struct fc_vport_identifiers *); int fc_vport_terminate(struct fc_vport *vport); int fc_block_rport(struct fc_rport *rport); int fc_block_scsi_eh(struct scsi_cmnd *cmnd); -enum blk_eh_timer_return fc_eh_timed_out(struct scsi_cmnd *scmd); +enum scsi_timeout_action fc_eh_timed_out(struct scsi_cmnd *scmd); +bool fc_eh_should_retry_cmd(struct scsi_cmnd *scmd); static inline struct Scsi_Host *fc_bsg_to_shost(struct bsg_job *job) { |