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/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2009-2016 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_XRI_EXCH_BUSY_WAIT_TMO 10000
#define LPFC_XRI_EXCH_BUSY_WAIT_T1 10
#define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000
#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32
#define LPFC_RPI_LOW_WATER_MARK 10
#define LPFC_UNREG_FCF 1
#define LPFC_SKIP_UNREG_FCF 0
/* Amount of time in seconds for waiting FCF rediscovery to complete */
#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
#define LPFC_NEMBED_MBOX_SGL_CNT 254
/* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
#define LPFC_FCP_IO_CHAN_DEF 4
#define LPFC_FCP_IO_CHAN_MIN 1
#define LPFC_FCP_IO_CHAN_MAX 16
/* Number of channels used for Flash Optimized Fabric (FOF) operations */
#define LPFC_FOF_IO_CHAN_NUM 1
/*
* 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
#define LPFC_FCOE_NULL_VID 0xFFF
#define LPFC_FCOE_IGNORE_VID 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 0x800
#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_did_from_fc_hdr(fc_hdr) \
((fc_hdr)->fh_d_id[0] << 16 | \
(fc_hdr)->fh_d_id[1] << 8 | \
(fc_hdr)->fh_d_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])
#define sli4_type_from_fc_hdr(fc_hdr) \
((fc_hdr)->fh_type)
#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
#define INT_FW_UPGRADE 0
#define RUN_FW_UPGRADE 1
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;
union lpfc_wqe128 *wqe128;
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 entry_repost; /* Count of entries before doorbell is rung */
#define LPFC_QUEUE_MIN_REPOST 8
uint32_t queue_id; /* Queue ID assigned by the hardware */
uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
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 */
struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
uint16_t db_format;
#define LPFC_DB_RING_FORMAT 0x01
#define LPFC_DB_LIST_FORMAT 0x02
void __iomem *db_regaddr;
/* For q stats */
uint32_t q_cnt_1;
uint32_t q_cnt_2;
uint32_t q_cnt_3;
uint64_t q_cnt_4;
/* defines for EQ stats */
#define EQ_max_eqe q_cnt_1
#define EQ_no_entry q_cnt_2
#define EQ_badstate q_cnt_3
#define EQ_processed q_cnt_4
/* defines for CQ stats */
#define CQ_mbox q_cnt_1
#define CQ_max_cqe q_cnt_1
#define CQ_release_wqe q_cnt_2
#define CQ_xri_aborted q_cnt_3
#define CQ_wq q_cnt_4
/* defines for WQ stats */
#define WQ_overflow q_cnt_1
#define WQ_posted q_cnt_4
/* defines for RQ stats */
#define RQ_no_posted_buf q_cnt_1
#define RQ_no_buf_found q_cnt_2
#define RQ_buf_trunc q_cnt_3
#define RQ_rcv_buf q_cnt_4
union sli4_qe qe[1]; /* array to index entries (must be last) */
};
struct lpfc_sli4_link {
uint16_t speed;
uint8_t duplex;
uint8_t status;
uint8_t type;
uint8_t number;
uint8_t fault;
uint16_t logical_speed;
uint16_t topology;
};
struct lpfc_fcf_rec {
uint8_t fabric_name[8];
uint8_t switch_name[8];
uint8_t mac_addr[6];
uint16_t fcf_indx;
uint32_t priority;
uint16_t vlan_id;
uint32_t addr_mode;
uint32_t flag;
#define BOOT_ENABLE 0x01
#define RECORD_VALID 0x02
};
struct lpfc_fcf_pri_rec {
uint16_t fcf_index;
#define LPFC_FCF_ON_PRI_LIST 0x0001
#define LPFC_FCF_FLOGI_FAILED 0x0002
uint16_t flag;
uint32_t priority;
};
struct lpfc_fcf_pri {
struct list_head list;
struct lpfc_fcf_pri_rec fcf_rec;
};
/*
* Maximum FCF table index, it is for driver internal book keeping, it
* just needs to be no less than the supported HBA's FCF table size.
*/
#define LPFC_SLI4_FCF_TBL_INDX_MAX 32
struct lpfc_fcf {
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_SCAN_DONE 0x04 /* FCF table scan done */
#define FCF_IN_USE 0x08 /* Atleast one discovery completed */
#define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
#define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
#define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
#define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
uint32_t addr_mode;
uint32_t eligible_fcf_cnt;
struct lpfc_fcf_rec current_rec;
struct lpfc_fcf_rec failover_rec;
struct list_head fcf_pri_list;
struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
uint32_t current_fcf_scan_pri;
struct timer_list redisc_wait;
unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
};
#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_WQE128_SIZE 128
#define LPFC_MQE_SIZE 256
#define LPFC_RQE_SIZE 8
#define LPFC_EQE_DEF_COUNT 1024
#define LPFC_CQE_DEF_COUNT 1024
#define LPFC_WQE_DEF_COUNT 256
#define LPFC_WQE128_DEF_COUNT 128
#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
|