/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2009 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * * 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. * *******************************************************************/ #define LPFC_ACTIVE_MBOX_WAIT_CNT 100 #define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 #define LPFC_GET_QE_REL_INT 32 #define LPFC_RPI_LOW_WATER_MARK 10 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */ #define LPFC_NEMBED_MBOX_SGL_CNT 254 /* Multi-queue arrangement for fast-path FCP work queues */ #define LPFC_FN_EQN_MAX 8 #define LPFC_SP_EQN_DEF 1 #define LPFC_FP_EQN_DEF 4 #define LPFC_FP_EQN_MIN 1 #define LPFC_FP_EQN_MAX (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF) #define LPFC_FN_WQN_MAX 32 #define LPFC_SP_WQN_DEF 1 #define LPFC_FP_WQN_DEF 4 #define LPFC_FP_WQN_MIN 1 #define LPFC_FP_WQN_MAX (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF) /* * Provide the default FCF Record attributes used by the driver * when nonFIP mode is configured and there is no other default * FCF Record attributes. */ #define LPFC_FCOE_FCF_DEF_INDEX 0 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF /* First 3 bytes of default FCF MAC is specified by FC_MAP */ #define LPFC_FCOE_FCF_MAC3 0xFF #define LPFC_FCOE_FCF_MAC4 0xFF #define LPFC_FCOE_FCF_MAC5 0xFE #define LPFC_FCOE_FCF_MAP0 0x0E #define LPFC_FCOE_FCF_MAP1 0xFC #define LPFC_FCOE_FCF_MAP2 0x00 #define LPFC_FCOE_MAX_RCV_SIZE 0x5AC #define LPFC_FCOE_FKA_ADV_PER 0 #define LPFC_FCOE_FIP_PRIORITY 0x80 #define sli4_sid_from_fc_hdr(fc_hdr) \ ((fc_hdr)->fh_s_id[0] << 16 | \ (fc_hdr)->fh_s_id[1] << 8 | \ (fc_hdr)->fh_s_id[2]) #define sli4_fctl_from_fc_hdr(fc_hdr) \ ((fc_hdr)->fh_f_ctl[0] << 16 | \ (fc_hdr)->fh_f_ctl[1] << 8 | \ (fc_hdr)->fh_f_ctl[2]) enum lpfc_sli4_queue_type { LPFC_EQ, LPFC_GCQ, LPFC_MCQ, LPFC_WCQ, LPFC_RCQ, LPFC_MQ, LPFC_WQ, LPFC_HRQ, LPFC_DRQ }; /* The queue sub-type defines the functional purpose of the queue */ enum lpfc_sli4_queue_subtype { LPFC_NONE, LPFC_MBOX, LPFC_FCP, LPFC_ELS, LPFC_USOL }; union sli4_qe { void *address; struct lpfc_eqe *eqe; struct lpfc_cqe *cqe; struct lpfc_mcqe *mcqe; struct lpfc_wcqe_complete *wcqe_complete; struct lpfc_wcqe_release *wcqe_release; struct sli4_wcqe_xri_aborted *wcqe_xri_aborted; struct lpfc_rcqe_complete *rcqe_complete; struct lpfc_mqe *mqe; union lpfc_wqe *wqe; struct lpfc_rqe *rqe; }; struct lpfc_queue { struct list_head list; enum lpfc_sli4_queue_type type; enum lpfc_sli4_queue_subtype subtype; struct lpfc_hba *phba; struct list_head child_list; uint32_t entry_count; /* Number of entries to support on the queue */ uint32_t entry_size; /* Size of each queue entry. */ uint32_t queue_id; /* Queue ID assigned by the hardware */ struct list_head page_list; uint32_t page_count; /* Number of pages allocated for this queue */ uint32_t host_index; /* The host's index for putting or getting */ uint32_t hba_index; /* The last known hba index for get or put */ union sli4_qe qe[1]; /* array to index entries (must be last) */ }; struct lpfc_sli4_link { uint8_t speed; uint8_t duplex; uint8_t status; uint8_t physical; uint8_t fault; uint16_t logical_speed; }; struct lpfc_fcf { uint8_t fabric_name[8]; uint8_t switch_name[8]; uint8_t mac_addr[6]; uint16_t fcf_indx; uint16_t fcfi; uint32_t fcf_flag; #define FCF_AVAILABLE 0x01 /* FCF available for discovery */ #define FCF_REGISTERED 0x02 /* FCF registered with FW */ #define FCF_DISCOVERED 0x04 /* FCF discovery started */ #define FCF_BOOT_ENABLE 0x08 /* Boot bios use this FCF */ #define FCF_IN_USE 0x10 /* Atleast one discovery completed */ #define FCF_VALID_VLAN 0x20 /* Use the vlan id specified */ uint32_t priority; uint32_t addr_mode; uint16_t vlan_id; }; #define LPFC_REGION23_SIGNATURE "RG23" #define LPFC_REGION23_VERSION 1 #define LPFC_REGION23_LAST_REC 0xff #define DRIVER_SPECIFIC_TYPE 0xA2 #define LINUX_DRIVER_ID 0x20 #define PORT_STE_TYPE 0x1 struct lpfc_fip_param_hdr { uint8_t type; #define FCOE_PARAM_TYPE 0xA0 uint8_t length; #define FCOE_PARAM_LENGTH 2 uint8_t parm_version; #define FIPP_VERSION 0x01 uint8_t parm_flags; #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags #define FIPP_MODE_ON 0x1 #define FIPP_MODE_OFF 0x0 #define FIPP_VLAN_VALID 0x1 }; struct lpfc_fcoe_params { uint8_t fc_map[3]; uint8_t reserved1; uint16_t vlan_tag; uint8_t reserved[2]; }; struct lpfc_fcf_conn_hdr { uint8_t type; #define FCOE_CONN_TBL_TYPE 0xA1 uint8_t length; /* words */ uint8_t reserved[2]; }; struct lpfc_fcf_conn_rec { uint16_t flags; #define FCFCNCT_VALID 0x0001 #define FCFCNCT_BOOT 0x0002 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */ #define FCFCNCT_FBNM_VALID 0x0008 #define FCFCNCT_SWNM_VALID 0x0010 #define FCFCNCT_VLAN_VALID 0x0020 #define FCFCNCT_AM_VALID 0x0040 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */ #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */ uint16_t vlan_tag; uint8_t fabric_name[8]; uint8_t switch_name[8]; }; struct lpfc_fcf_conn_entry { struct list_head list; struct lpfc_fcf_conn_rec conn_rec; }; /* * Define the host's bootstrap mailbox. This structure contains * the member attributes needed to create, use, and destroy the * bootstrap mailbox region. * * The macro definitions for the bmbx data structure are defined * in lpfc_hw4.h with the register definition. */ struct lpfc_bmbx { struct lpfc_dmabuf *dmabuf; struct dma_address dma_address; void *avirt; dma_addr_t aphys; uint32_t bmbx_size; }; #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4 #define LPFC_EQE_SIZE_4B 4 #define LPFC_EQE_SIZE_16B 16 #define LPFC_CQE_SIZE 16 #define LPFC_WQE_SIZE 64 #define LPFC_MQE_SIZE 256 #define LPFC_RQE_SIZE 8 #define LPFC_EQE_DEF_COUNT 1024 #define LPFC_CQE_DEF_COUNT 256 #define LPFC_WQE_DEF_COUNT 256 #define LPFC_MQE_DEF_COUNT 16 #define LPFC_RQE_DEF_COUNT 512 #define LPFC_QUEUE_NOARM false #define LPFC_QUEUE_REARM true /* * SLI4 CT field defines */ #define SLI4_CT_RPI 0 #define SLI4_CT_VPI 1 #define SLI4_CT_VFI 2 #define SLI4_CT_FCFI 3 #define LPFC_SLI4_MAX_SEGMENT_SIZE 0x10000 /* * SLI4 specific data structures */ struct lpfc_max_cfg_param { uint16_t max_xri; uint16_t xri_base; uint16_t xri_used; uint16_t max_rpi; uint16_t rpi_base; uint16_t rpi_used; uint16_t max_vpi; uint16_t vpi_base; uint16_t vpi_used; uint16_t max_vfi; uint16_t vfi_base; uint16_t vfi_used; uint16_t max_fcfi; uint16_t fcfi_base; uint16_t fcfi_used; uint16_t max_eq; uint16_t max_rq; uint16_t max_cq; uint16_t max_wq; }; struct lpfc_hba; /* SLI4 HBA multi-fcp queue handler struct */ struct lpfc_fcp_eq_hdl { uint32_t idx; struct lpfc_hba *phba; }; /* SLI4 HBA data structure entries */ struct lpfc_sli4_hba { void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for PCI BAR0, config space registers */ void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for PCI BAR1, control registers */ void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for PCI BAR2, doorbell registers */ /* BAR0 PCI config space register memory map */ void __iomem *UERRLOregaddr; /* Address to UERR_STATUS_LO register */ void __iomem *UERRHIregaddr; /* Address to UERR_STATUS_HI register */ void __iomem *UEMASKLOregaddr; /* Address to UE_MASK_LO register */ void __iomem *UEMASKHIregaddr; /* Address to UE_MASK_HI register */ void __iomem *SCRATCHPADregaddr; /* Address to scratchpad register */ /* BAR1 FCoE function CSR register memory map */ void __iomem *STAregaddr; /* Address to HST_STATE register */ void __iomem *ISRregaddr; /* Address to HST_ISR register */ void __iomem *IMRregaddr; /* Address to HST_IMR register */ void __iomem *ISCRregaddr; /* Address to HST_ISCR register */ /* BAR2 VF-0 doorbell register memory map */ void __iomem *RQDBregaddr; /* Address to RQ_DOORBELL register */ void __iomem *WQDBregaddr; /* Address to WQ_DOORBELL register */ void __iomem *EQCQDBregaddr; /* Address to EQCQ_DOORBELL register */ void __iomem *MQDBregaddr; /* Address to MQ_DOORBELL register */ void __iomem *BMBXregaddr; /* Address to BootStrap MBX register */ uint32_t ue_mask_lo; uint32_t ue_mask_hi; struct msix_entry *msix_entries; uint32_t cfg_eqn; struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */ /* Pointers to the constructed SLI4 queues */ struct lpfc_queue **fp_eq; /* Fast-path event queue */ struct lpfc_queue *sp_eq; /* Slow-path event queue */ struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */ struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */ struct lpfc_queue *els_wq; /* Slow-path ELS work queue */ struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */ struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */ struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */ struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */ struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */ /* Setup information for various queue parameters */ int eq_esize; int eq_ecount; int cq_esize; int cq_ecount; int wq_esize; int wq_ecount; int mq_esize; int mq_ecount; int rq_esize; int rq_ecount; #define LPFC_SP_EQ_MAX_INTR_SEC 10000 #define LPFC_FP_EQ_MAX_INTR_SEC 10000 uint32_t intr_enable; struct lpfc_bmbx bmbx; struct lpfc_max_cfg_param max_cfg_param; uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */ uint16_t next_rpi; uint16_t scsi_xri_max; uint16_t scsi_xri_cnt; struct list_head lpfc_free_sgl_list; struct list_head lpfc_sgl_list; struct lpfc_sglq **lpfc_els_sgl_array; struct list_head lpfc_abts_els_sgl_list; struct lpfc_scsi_buf **lpfc_scsi_psb_array; struct list_head lpfc_abts_scsi_buf_list; uint32_t total_sglq_bufs; struct lpfc_sglq **lpfc_sglq_active_list; struct list_head lpfc_rpi_hdr_list; unsigned long *rpi_bmask; uint16_t rpi_count; struct lpfc_sli4_flags sli4_flags; struct list_head sp_queue_event; struct list_head sp_cqe_event_pool; struct list_head sp_asynce_work_queue; struct list_head sp_fcp_xri_aborted_work_queue; struct list_head sp_els_xri_aborted_work_queue; struct list_head sp_unsol_work_queue; struct lpfc_sli4_link link_state; spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */ }; enum lpfc_sge_type { GEN_BUFF_TYPE, SCSI_BUFF_TYPE }; struct lpfc_sglq { /* lpfc_sglqs are used in double linked lists */ struct list_head list; struct list_head clist; enum lpfc_sge_type buff_type; /* is this a scsi sgl */ uint16_t iotag; /* pre-assigned IO tag */ uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */ struct sli4_sge *sgl; /* pre-assigned SGL */ void *virt; /* virtual address. */ dma_addr_t phys; /* physical address */ }; struct lpfc_rpi_hdr { struct list_head list; uint32_t len; struct lpfc_dmabuf *dmabuf; uint32_t page_count; uint32_t start_rpi; }; /* * SLI4 specific function prototypes */ int lpfc_pci_function_reset(struct lpfc_hba *); int lpfc_sli4_hba_setup(struct lpfc_hba *); int lpfc_sli4_hba_down(struct lpfc_hba *); int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t, uint8_t, uint32_t, bool); void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *); void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t); void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t, struct lpfc_mbx_sge *); void lpfc_sli4_hba_reset(struct lpfc_hba *); struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t, uint32_t); void lpfc_sli4_queue_free(struct lpfc_queue *); uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t); uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, uint32_t, uint32_t); uint32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, uint32_t); uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, uint32_t); uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, struct lpfc_queue *, uint32_t); uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *); uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *); uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *); uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *); uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *); int lpfc_sli4_queue_setup(struct lpfc_hba *); void lpfc_sli4_queue_unset(struct lpfc_hba *); int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t); int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *); int lpfc_sli4_remove_all_sgl_pages(struct lpfc_hba *); uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *); int lpfc_sli4_post_async_mbox(struct lpfc_hba *); int lpfc_sli4_post_sgl_list(struct lpfc_hba *phba); int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int); struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *); struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *); void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *); int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *); int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *); struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *); void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *); int lpfc_sli4_alloc_rpi(struct lpfc_hba *); void lpfc_sli4_free_rpi(struct lpfc_hba *, int); void lpfc_sli4_remove_rpis(struct lpfc_hba *); void lpfc_sli4_async_event_proc(struct lpfc_hba *); int lpfc_sli4_resume_rpi(struct lpfc_nodelist *); void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, struct sli4_wcqe_xri_aborted *); void lpfc_sli4_els_xri_aborted(struct lpfc_hba *, struct sli4_wcqe_xri_aborted *); int lpfc_sli4_brdreset(struct lpfc_hba *); int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *); void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *); int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *); int lpfc_sli4_init_vpi(struct lpfc_hba *, uint16_t); uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool); uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool); void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t); int lpfc_sli4_read_fcf_record(struct lpfc_hba *, uint16_t); void lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *, LPFC_MBOXQ_t *); int lpfc_sli4_post_status_check(struct lpfc_hba *); uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);