/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.broadcom.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of version 2 of the GNU General * * Public License as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful. * * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * * TO BE LEGALLY INVALID. See the GNU General Public License for * * more details, a copy of which can be found in the file COPYING * * included with this package. * *******************************************************************/ #include <scsi/scsi_host.h> #include <linux/hashtable.h> #include <linux/ktime.h> #include <linux/workqueue.h> #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS) #define CONFIG_SCSI_LPFC_DEBUG_FS #endif struct lpfc_sli2_slim; #define ELX_MODEL_NAME_SIZE … #define ELX_FW_NAME_SIZE … #define LPFC_PCI_DEV_LP … #define LPFC_PCI_DEV_OC … #define LPFC_SLI_REV2 … #define LPFC_SLI_REV3 … #define LPFC_SLI_REV4 … #define LPFC_MAX_TARGET … #define LPFC_MAX_DISC_THREADS … #define LPFC_MAX_NS_RETRY … #define LPFC_CMD_PER_LUN … #define LPFC_DEFAULT_SG_SEG_CNT … #define LPFC_DEFAULT_XPSGL_SIZE … #define LPFC_MAX_SG_TABLESIZE … #define LPFC_MIN_SG_SLI4_BUF_SZ … #define LPFC_MAX_BG_SLI4_SEG_CNT_DIF … #define LPFC_MAX_SG_SEG_CNT_DIF … #define LPFC_MAX_SG_SEG_CNT … #define LPFC_MIN_SG_SEG_CNT … #define LPFC_MAX_SGL_SEG_CNT … #define LPFC_MAX_BPL_SEG_CNT … #define LPFC_MAX_NVME_SEG_CNT … #define LPFC_MAX_SGE_SIZE … #define LPFC_IOCB_LIST_CNT … #define LPFC_Q_RAMP_UP_INTERVAL … #define LPFC_VNAME_LEN … #define LPFC_TGTQ_RAMPUP_PCENT … #define LPFC_MIN_TGT_QDEPTH … #define LPFC_MAX_TGT_QDEPTH … /* * Following time intervals are used of adjusting SCSI device * queue depths when there are driver resource error or Firmware * resource error. */ /* 1 Second */ #define QUEUE_RAMP_DOWN_INTERVAL … /* Number of exchanges reserved for discovery to complete */ #define LPFC_DISC_IOCB_BUFF_COUNT … #define LPFC_HB_MBOX_INTERVAL … #define LPFC_HB_MBOX_TIMEOUT … /* Error Attention event polling interval */ #define LPFC_ERATT_POLL_INTERVAL … /* Define macros for 64 bit support */ #define putPaddrLow(addr) … #define putPaddrHigh(addr) … #define getPaddr(high, low) … /* Provide maximum configuration definitions. */ #define LPFC_DRVR_TIMEOUT … #define FC_MAX_ADPTMSG … #define MAX_HBAEVT … #define MAX_HBAS_NO_RESET … /* Number of MSI-X vectors the driver uses */ #define LPFC_MSIX_VECTORS … /* lpfc wait event data ready flag */ #define LPFC_DATA_READY … /* queue dump line buffer size */ #define LPFC_LBUF_SZ … /* mailbox system shutdown options */ #define LPFC_MBX_NO_WAIT … #define LPFC_MBX_WAIT … #define LPFC_CFG_PARAM_MAGIC_NUM … #define LPFC_PORT_CFG_NAME … #define lpfc_rangecheck(val, min, max) … enum lpfc_polling_flags { … }; struct perf_prof { … }; /* * Provide for FC4 TYPE x28 - NVME. The * bit mask for FCP and NVME is 0x8 identically * because they are 32 bit positions distance. */ #define LPFC_FC4_TYPE_BITMASK … /* Provide DMA memory definitions the driver uses per port instance. */ struct lpfc_dmabuf { … }; struct lpfc_nvmet_ctxbuf { … }; struct lpfc_dma_pool { … }; struct hbq_dmabuf { … }; struct rqb_dmabuf { … }; /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ #define MEM_PRI … /****************************************************************************/ /* Device VPD save area */ /****************************************************************************/ lpfc_vpd_t; /* * lpfc stat counters */ struct lpfc_stats { … }; struct lpfc_hba; /* Data structure to keep withheld FLOGI_ACC information */ struct lpfc_defer_flogi_acc { … }; #define LPFC_VMID_TIMER … #define LPFC_MAX_VMID_SIZE … lpfc_vmid_io_tag; #define JIFFIES_PER_HR … struct lpfc_vmid { … }; #define lpfc_vmid_is_type_priority_tag(vport) … #define LPFC_VMID_HASH_SIZE … #define LPFC_VMID_HASH_MASK … #define LPFC_VMID_HASH_SHIFT … struct lpfc_vmid_context { … }; struct lpfc_vmid_priority_range { … }; struct lpfc_vmid_priority_info { … }; #define QFPA_EVEN_ONLY … #define QFPA_ODD_ONLY … #define QFPA_EVEN_ODD … enum discovery_state { … }; enum hba_state { … }; enum lpfc_hba_flag { … }; struct lpfc_trunk_link_state { … }; struct lpfc_trunk_link { … }; /* Format of congestion module parameters */ struct lpfc_cgn_param { … }; /* Max number of days of congestion data */ #define LPFC_MAX_CGN_DAYS … struct lpfc_cgn_ts { … }; /* Format of congestion buffer info * This structure defines memory thats allocated and registered with * the HBA firmware. When adding or removing fields from this structure * the alignment must match the HBA firmware. */ struct lpfc_cgn_info { … }; #define LPFC_CGN_INFO_SZ … struct lpfc_cgn_stat { … }; struct lpfc_cgn_acqe_stat { … }; enum lpfc_fc_flag { … }; enum lpfc_load_flag { … }; struct lpfc_vport { … }; struct hbq_s { … }; /* this matches the position in the lpfc_hbq_defs array */ #define LPFC_ELS_HBQ … #define LPFC_MAX_HBQS … enum hba_temp_state { … }; enum intr_type_t { … }; #define LPFC_CT_CTX_MAX … struct unsol_rcv_ct_ctx { … }; #define LPFC_USER_LINK_SPEED_AUTO … #define LPFC_USER_LINK_SPEED_1G … #define LPFC_USER_LINK_SPEED_2G … #define LPFC_USER_LINK_SPEED_4G … #define LPFC_USER_LINK_SPEED_8G … #define LPFC_USER_LINK_SPEED_10G … #define LPFC_USER_LINK_SPEED_16G … #define LPFC_USER_LINK_SPEED_32G … #define LPFC_USER_LINK_SPEED_64G … #define LPFC_USER_LINK_SPEED_MAX … #define LPFC_LINK_SPEED_STRING … enum nemb_type { … }; enum mbox_type { … }; enum dma_type { … }; enum sta_type { … }; struct lpfc_mbox_ext_buf_ctx { … }; struct lpfc_epd_pool { … }; enum ras_state { … }; struct lpfc_ras_fwlog { … }; #define DBG_LOG_STR_SZ … #define DBG_LOG_SZ … struct dbg_log_ent { … }; enum lpfc_irq_chann_mode { … }; enum lpfc_hba_bit_flags { … }; struct lpfc_hba { … }; #define LPFC_MAX_RXMONITOR_ENTRY … #define LPFC_MAX_RXMONITOR_DUMP … struct rx_info_entry { … }; struct lpfc_rx_info_monitor { … }; static inline struct Scsi_Host * lpfc_shost_from_vport(struct lpfc_vport *vport) { … } static inline void lpfc_set_loopback_flag(struct lpfc_hba *phba) { … } static inline int lpfc_is_link_up(struct lpfc_hba *phba) { … } static inline void lpfc_worker_wake_up(struct lpfc_hba *phba) { … } static inline int lpfc_readl(void __iomem *addr, uint32_t *data) { … } static inline int lpfc_sli_read_hs(struct lpfc_hba *phba) { … } static inline struct lpfc_sli_ring * lpfc_phba_elsring(struct lpfc_hba *phba) { … } /** * lpfc_next_online_cpu - Finds next online CPU on cpumask * @mask: Pointer to phba's cpumask member. * @start: starting cpu index * * Note: If no valid cpu found, then nr_cpu_ids is returned. * **/ static inline unsigned int lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start) { … } /** * lpfc_next_present_cpu - Finds next present CPU after n * @n: the cpu prior to search * * Note: If no next present cpu, then fallback to first present cpu. * **/ static inline unsigned int lpfc_next_present_cpu(int n) { … } /** * lpfc_sli4_mod_hba_eq_delay - update EQ delay * @phba: Pointer to HBA context object. * @q: The Event Queue to update. * @delay: The delay value (in us) to be written. * **/ static inline void lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq, u32 delay) { … } /* * Macro that declares tables and a routine to perform enum type to * ascii string lookup. * * Defines a <key,value> table for an enum. Uses xxx_INIT defines for * the enum to populate the table. Macro defines a routine (named * by caller) that will search all elements of the table for the key * and return the name string if found or "Unrecognized" if not found. */ #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) … /** * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types * @phba: Pointer to HBA context object. * * Relationship between the enable, target support and if vmid tag is required * for the particular combination * --------------------------------------------------- * Switch Enable Flag Target Support VMID Needed * --------------------------------------------------- * App Id 0 NA N * App Id 1 0 N * App Id 1 1 Y * Pr Tag 0 NA N * Pr Tag 1 0 N * Pr Tag 1 1 Y * Pr Tag 2 * Y --------------------------------------------------- * **/ static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba) { … } static inline u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … } static inline u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … } static inline u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … } static inline u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … } static inline u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … } static inline u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … } static inline u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … } static inline u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { … }
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