/* 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__ */
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