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Diffstat (limited to 'include/scsi/scsi_transport_fc.h')
-rw-r--r--include/scsi/scsi_transport_fc.h66
1 files changed, 64 insertions, 2 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 7db2dd783834..e80a7c542c88 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.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;
};
@@ -481,10 +517,11 @@ 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 +533,10 @@ 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 +545,9 @@ 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 +559,7 @@ 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;
@@ -536,6 +581,9 @@ struct fc_host_attrs {
/* bsg support */
struct request_queue *rqst_q;
+
+ /* FDMI support version*/
+ u8 fdmi_version;
};
#define shost_to_fc_host(x) \
@@ -615,6 +663,18 @@ struct fc_host_attrs {
(((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 {
@@ -706,7 +766,6 @@ 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.
@@ -722,6 +781,7 @@ 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 +846,7 @@ 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);
@@ -802,6 +863,7 @@ 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);
+bool fc_eh_should_retry_cmd(struct scsi_cmnd *scmd);
static inline struct Scsi_Host *fc_bsg_to_shost(struct bsg_job *job)
{