/* * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * * Linux driver for Brocade Fibre Channel Host Bus Adapter. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License (GPL) Version 2 as * published by the Free Software Foundation * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ /** * Contains base driver definitions. */ /** * bfa_drv.h Linux driver data structures. */ #ifndef __BFAD_DRV_H__ #define __BFAD_DRV_H__ #include "bfa_os_inc.h" #include #include #include #include #include #include #include #include #include #include #include "aen/bfa_aen.h" #include #define BFAD_DRIVER_NAME "bfa" #ifdef BFA_DRIVER_VERSION #define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION #else #define BFAD_DRIVER_VERSION "2.1.2.1" #endif #define BFAD_IRQ_FLAGS IRQF_SHARED /* * BFAD flags */ #define BFAD_MSIX_ON 0x00000001 #define BFAD_HAL_INIT_DONE 0x00000002 #define BFAD_DRV_INIT_DONE 0x00000004 #define BFAD_CFG_PPORT_DONE 0x00000008 #define BFAD_HAL_START_DONE 0x00000010 #define BFAD_PORT_ONLINE 0x00000020 #define BFAD_RPORT_ONLINE 0x00000040 #define BFAD_FCS_INIT_DONE 0x00000080 #define BFAD_HAL_INIT_FAIL 0x00000100 #define BFAD_FC4_PROBE_DONE 0x00000200 #define BFAD_PORT_DELETE 0x00000001 /* * BFAD related definition */ #define SCSI_SCAN_DELAY HZ #define BFAD_STOP_TIMEOUT 30 #define BFAD_SUSPEND_TIMEOUT BFAD_STOP_TIMEOUT /* * BFAD configuration parameter default values */ #define BFAD_LUN_QUEUE_DEPTH 32 #define BFAD_IO_MAX_SGE SG_ALL #define bfad_isr_t irq_handler_t #define MAX_MSIX_ENTRY 22 struct bfad_msix_s { struct bfad_s *bfad; struct msix_entry msix; }; enum bfad_port_pvb_type { BFAD_PORT_PHYS_BASE = 0, BFAD_PORT_PHYS_VPORT = 1, BFAD_PORT_VF_BASE = 2, BFAD_PORT_VF_VPORT = 3, }; /* * PORT data structure */ struct bfad_port_s { struct list_head list_entry; struct bfad_s *bfad; struct bfa_fcs_port_s *fcs_port; u32 roles; s32 flags; u32 supported_fc4s; u8 ipfc_flags; enum bfad_port_pvb_type pvb_type; struct bfad_im_port_s *im_port; /* IM specific data */ struct bfad_tm_port_s *tm_port; /* TM specific data */ struct bfad_ipfc_port_s *ipfc_port; /* IPFC specific data */ }; /* * VPORT data structure */ struct bfad_vport_s { struct bfad_port_s drv_port; struct bfa_fcs_vport_s fcs_vport; struct completion *comp_del; struct list_head list_entry; struct bfa_port_cfg_s port_cfg; }; /* * VF data structure */ struct bfad_vf_s { bfa_fcs_vf_t fcs_vf; struct bfad_port_s base_port; /* base port for vf */ struct bfad_s *bfad; }; struct bfad_cfg_param_s { u32 rport_del_timeout; u32 ioc_queue_depth; u32 lun_queue_depth; u32 io_max_sge; u32 binding_method; }; /* * BFAD (PCI function) data structure */ struct bfad_s { struct list_head list_entry; struct bfa_s bfa; struct bfa_fcs_s bfa_fcs; struct pci_dev *pcidev; const char *pci_name; struct bfa_pcidev_s hal_pcidev; struct bfa_ioc_pci_attr_s pci_attr; void __iomem *pci_bar0_kva; struct completion comp; struct completion suspend; struct completion disable_comp; bfa_boolean_t disable_active; struct bfad_port_s pport; /* physical port of the BFAD */ struct bfa_meminfo_s meminfo; struct bfa_iocfc_cfg_s ioc_cfg; u32 inst_no; /* BFAD instance number */ u32 bfad_flags; spinlock_t bfad_lock; struct task_struct *bfad_tsk; struct bfad_cfg_param_s cfg_data; struct bfad_msix_s msix_tab[MAX_MSIX_ENTRY]; int nvec; char adapter_name[BFA_ADAPTER_SYM_NAME_LEN]; char port_name[BFA_ADAPTER_SYM_NAME_LEN]; struct timer_list hal_tmo; unsigned long hs_start; struct bfad_im_s *im; /* IM specific data */ struct bfad_tm_s *tm; /* TM specific data */ struct bfad_ipfc_s *ipfc; /* IPFC specific data */ struct bfa_log_mod_s log_data; struct bfa_trc_mod_s *trcmod; struct bfa_log_mod_s *logmod; struct bfa_aen_s *aen; struct bfa_aen_s aen_buf; void *file_map[BFA_AEN_MAX_APP]; struct bfa_plog_s plog_buf; int ref_count; bfa_boolean_t ipfc_enabled; struct fc_host_statistics link_stats; struct list_head pbc_pcfg_list; atomic_t wq_reqcnt; }; struct bfad_pcfg_s { struct list_head list_entry; struct bfa_port_cfg_s port_cfg; }; /* * RPORT data structure */ struct bfad_rport_s { struct bfa_fcs_rport_s fcs_rport; }; struct bfad_buf_info { void *virt; dma_addr_t phys; u32 size; }; struct bfad_fcxp { struct bfad_port_s *port; struct bfa_rport_s *bfa_rport; bfa_status_t req_status; u16 tag; u16 rsp_len; u16 rsp_maxlen; u8 use_ireqbuf; u8 use_irspbuf; u32 num_req_sgles; u32 num_rsp_sgles; struct fchs_s fchs; void *reqbuf_info; void *rspbuf_info; struct bfa_sge_s *req_sge; struct bfa_sge_s *rsp_sge; fcxp_send_cb_t send_cbfn; void *send_cbarg; void *bfa_fcxp; struct completion comp; }; struct bfad_hal_comp { bfa_status_t status; struct completion comp; }; /* * Macro to obtain the immediate lower power * of two for the integer. */ #define nextLowerInt(x) \ do { \ int j; \ (*x)--; \ for (j = 1; j < (sizeof(int) * 8); j <<= 1) \ (*x) = (*x) | (*x) >> j; \ (*x)++; \ (*x) = (*x) >> 1; \ } while (0) bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id, struct bfa_port_cfg_s *port_cfg, struct device *dev); bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id, struct bfa_port_cfg_s *port_cfg); bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role); bfa_status_t bfad_drv_init(struct bfad_s *bfad); bfa_status_t bfad_start_ops(struct bfad_s *bfad); void bfad_drv_start(struct bfad_s *bfad); void bfad_uncfg_pport(struct bfad_s *bfad); void bfad_drv_stop(struct bfad_s *bfad); void bfad_remove_intr(struct bfad_s *bfad); void bfad_hal_mem_release(struct bfad_s *bfad); void bfad_hcb_comp(void *arg, bfa_status_t status); int bfad_setup_intr(struct bfad_s *bfad); void bfad_remove_intr(struct bfad_s *bfad); void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg); bfa_status_t bfad_hal_mem_alloc(struct bfad_s *bfad); void bfad_bfa_tmo(unsigned long data); void bfad_init_timer(struct bfad_s *bfad); int bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad); void bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad); void bfad_fcs_port_cfg(struct bfad_s *bfad); void bfad_drv_uninit(struct bfad_s *bfad); void bfad_drv_log_level_set(struct bfad_s *bfad); bfa_status_t bfad_fc4_module_init(void); void bfad_fc4_module_exit(void); int bfad_worker (void *ptr); void bfad_pci_remove(struct pci_dev *pdev); int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid); void bfad_os_rport_online_wait(struct bfad_s *bfad); int bfad_os_get_linkup_delay(struct bfad_s *bfad); int bfad_install_msix_handler(struct bfad_s *bfad); extern struct idr bfad_im_port_index; extern struct list_head bfad_list; extern int bfa_lun_queue_depth; extern int bfad_supported_fc4s; extern int bfa_linkup_delay; extern struct mutex bfad_mutex; #endif /* __BFAD_DRV_H__ */