diff options
Diffstat (limited to 'drivers/scsi/elx/efct/efct_xport.h')
| -rw-r--r-- | drivers/scsi/elx/efct/efct_xport.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/scsi/elx/efct/efct_xport.h b/drivers/scsi/elx/efct/efct_xport.h new file mode 100644 index 000000000..89f3c20ec --- /dev/null +++ b/drivers/scsi/elx/efct/efct_xport.h @@ -0,0 +1,186 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2021 Broadcom. All Rights Reserved. The term + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. + */ + +#if !defined(__EFCT_XPORT_H__) +#define __EFCT_XPORT_H__ + +enum efct_xport_ctrl { + EFCT_XPORT_PORT_ONLINE = 1, + EFCT_XPORT_PORT_OFFLINE, + EFCT_XPORT_SHUTDOWN, + EFCT_XPORT_POST_NODE_EVENT, + EFCT_XPORT_WWNN_SET, + EFCT_XPORT_WWPN_SET, +}; + +enum efct_xport_status { + EFCT_XPORT_PORT_STATUS, + EFCT_XPORT_CONFIG_PORT_STATUS, + EFCT_XPORT_LINK_SPEED, + EFCT_XPORT_IS_SUPPORTED_LINK_SPEED, + EFCT_XPORT_LINK_STATISTICS, + EFCT_XPORT_LINK_STAT_RESET, + EFCT_XPORT_IS_QUIESCED +}; + +struct efct_xport_link_stats { + bool rec; + bool gec; + bool w02of; + bool w03of; + bool w04of; + bool w05of; + bool w06of; + bool w07of; + bool w08of; + bool w09of; + bool w10of; + bool w11of; + bool w12of; + bool w13of; + bool w14of; + bool w15of; + bool w16of; + bool w17of; + bool w18of; + bool w19of; + bool w20of; + bool w21of; + bool clrc; + bool clof1; + u32 link_failure_error_count; + u32 loss_of_sync_error_count; + u32 loss_of_signal_error_count; + u32 primitive_sequence_error_count; + u32 invalid_transmission_word_error_count; + u32 crc_error_count; + u32 primitive_sequence_event_timeout_count; + u32 elastic_buffer_overrun_error_count; + u32 arbitration_fc_al_timeout_count; + u32 advertised_receive_bufftor_to_buffer_credit; + u32 current_receive_buffer_to_buffer_credit; + u32 advertised_transmit_buffer_to_buffer_credit; + u32 current_transmit_buffer_to_buffer_credit; + u32 received_eofa_count; + u32 received_eofdti_count; + u32 received_eofni_count; + u32 received_soff_count; + u32 received_dropped_no_aer_count; + u32 received_dropped_no_available_rpi_resources_count; + u32 received_dropped_no_available_xri_resources_count; +}; + +struct efct_xport_host_stats { + bool cc; + u32 transmit_kbyte_count; + u32 receive_kbyte_count; + u32 transmit_frame_count; + u32 receive_frame_count; + u32 transmit_sequence_count; + u32 receive_sequence_count; + u32 total_exchanges_originator; + u32 total_exchanges_responder; + u32 receive_p_bsy_count; + u32 receive_f_bsy_count; + u32 dropped_frames_due_to_no_rq_buffer_count; + u32 empty_rq_timeout_count; + u32 dropped_frames_due_to_no_xri_count; + u32 empty_xri_pool_count; +}; + +struct efct_xport_host_statistics { + struct completion done; + struct efct_xport_link_stats link_stats; + struct efct_xport_host_stats host_stats; +}; + +union efct_xport_stats_u { + u32 value; + struct efct_xport_host_statistics stats; +}; + +struct efct_xport_fcp_stats { + u64 input_bytes; + u64 output_bytes; + u64 input_requests; + u64 output_requests; + u64 control_requests; +}; + +struct efct_xport { + struct efct *efct; + /* wwpn requested by user for primary nport */ + u64 req_wwpn; + /* wwnn requested by user for primary nport */ + u64 req_wwnn; + + /* Nodes */ + /* number of allocated nodes */ + u32 nodes_count; + /* used to track how often IO pool is empty */ + atomic_t io_alloc_failed_count; + /* array of pointers to nodes */ + struct efc_node **nodes; + + /* Io pool and counts */ + /* pointer to IO pool */ + struct efct_io_pool *io_pool; + /* lock for io_pending_list */ + spinlock_t io_pending_lock; + /* list of IOs waiting for HW resources + * lock: xport->io_pending_lock + * link: efct_io_s->io_pending_link + */ + struct list_head io_pending_list; + /* count of totals IOS allocated */ + atomic_t io_total_alloc; + /* count of totals IOS free'd */ + atomic_t io_total_free; + /* count of totals IOS that were pended */ + atomic_t io_total_pending; + /* count of active IOS */ + atomic_t io_active_count; + /* count of pending IOS */ + atomic_t io_pending_count; + /* non-zero if efct_scsi_check_pending is executing */ + atomic_t io_pending_recursing; + + /* Port */ + /* requested link state */ + u32 configured_link_state; + + /* Timer for Statistics */ + struct timer_list stats_timer; + union efct_xport_stats_u fc_xport_stats; + struct efct_xport_fcp_stats fcp_stats; +}; + +struct efct_rport_data { + struct efc_node *node; +}; + +struct efct_xport * +efct_xport_alloc(struct efct *efct); +int +efct_xport_attach(struct efct_xport *xport); +int +efct_xport_initialize(struct efct_xport *xport); +void +efct_xport_detach(struct efct_xport *xport); +int +efct_xport_control(struct efct_xport *xport, enum efct_xport_ctrl cmd, ...); +int +efct_xport_status(struct efct_xport *xport, enum efct_xport_status cmd, + union efct_xport_stats_u *result); +void +efct_xport_free(struct efct_xport *xport); + +struct scsi_transport_template *efct_attach_fc_transport(void); +struct scsi_transport_template *efct_attach_vport_fc_transport(void); +void +efct_release_fc_transport(struct scsi_transport_template *transport_template); + +#endif /* __EFCT_XPORT_H__ */ |