428 lines
10 KiB
C
428 lines
10 KiB
C
/* cnic.h: QLogic CNIC core network driver.
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*
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* Copyright (c) 2006-2014 Broadcom Corporation
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* Copyright (c) 2014 QLogic Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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*/
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#ifndef CNIC_H
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#define CNIC_H
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#define HC_INDEX_ISCSI_EQ_CONS 6
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#define HC_INDEX_FCOE_EQ_CONS 3
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#define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
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#define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
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#define KWQ_PAGE_CNT 4
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#define KCQ_PAGE_CNT 16
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#define KWQ_CID 24
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#define KCQ_CID 25
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/*
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* krnlq_context definition
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*/
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#define L5_KRNLQ_FLAGS 0x00000000
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#define L5_KRNLQ_SIZE 0x00000000
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#define L5_KRNLQ_TYPE 0x00000000
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#define KRNLQ_FLAGS_PG_SZ (0xf<<0)
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#define KRNLQ_FLAGS_PG_SZ_256 (0<<0)
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#define KRNLQ_FLAGS_PG_SZ_512 (1<<0)
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#define KRNLQ_FLAGS_PG_SZ_1K (2<<0)
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#define KRNLQ_FLAGS_PG_SZ_2K (3<<0)
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#define KRNLQ_FLAGS_PG_SZ_4K (4<<0)
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#define KRNLQ_FLAGS_PG_SZ_8K (5<<0)
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#define KRNLQ_FLAGS_PG_SZ_16K (6<<0)
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#define KRNLQ_FLAGS_PG_SZ_32K (7<<0)
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#define KRNLQ_FLAGS_PG_SZ_64K (8<<0)
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#define KRNLQ_FLAGS_PG_SZ_128K (9<<0)
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#define KRNLQ_FLAGS_PG_SZ_256K (10<<0)
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#define KRNLQ_FLAGS_PG_SZ_512K (11<<0)
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#define KRNLQ_FLAGS_PG_SZ_1M (12<<0)
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#define KRNLQ_FLAGS_PG_SZ_2M (13<<0)
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#define KRNLQ_FLAGS_QE_SELF_SEQ (1<<15)
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#define KRNLQ_SIZE_TYPE_SIZE ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16)
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#define KRNLQ_TYPE_TYPE (0xf<<28)
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#define KRNLQ_TYPE_TYPE_EMPTY (0<<28)
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#define KRNLQ_TYPE_TYPE_KRNLQ (6<<28)
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#define L5_KRNLQ_HOST_QIDX 0x00000004
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#define L5_KRNLQ_HOST_FW_QIDX 0x00000008
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#define L5_KRNLQ_NX_QE_SELF_SEQ 0x0000000c
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#define L5_KRNLQ_QE_SELF_SEQ_MAX 0x0000000c
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#define L5_KRNLQ_NX_QE_HADDR_HI 0x00000010
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#define L5_KRNLQ_NX_QE_HADDR_LO 0x00000014
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#define L5_KRNLQ_PGTBL_PGIDX 0x00000018
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#define L5_KRNLQ_NX_PG_QIDX 0x00000018
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#define L5_KRNLQ_PGTBL_NPAGES 0x0000001c
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#define L5_KRNLQ_QIDX_INCR 0x0000001c
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#define L5_KRNLQ_PGTBL_HADDR_HI 0x00000020
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#define L5_KRNLQ_PGTBL_HADDR_LO 0x00000024
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#define BNX2_PG_CTX_MAP 0x1a0034
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#define BNX2_ISCSI_CTX_MAP 0x1a0074
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#define MAX_COMPLETED_KCQE 64
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#define MAX_CNIC_L5_CONTEXT 256
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#define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT
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#define MAX_ISCSI_TBL_SZ 256
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#define CNIC_LOCAL_PORT_MIN 60000
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#define CNIC_LOCAL_PORT_MAX 61024
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#define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN)
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#define KWQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kwqe))
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#define KCQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kcqe))
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#define MAX_KWQE_CNT (KWQE_CNT - 1)
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#define MAX_KCQE_CNT (KCQE_CNT - 1)
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#define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1)
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#define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1)
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#define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BNX2_PAGE_BITS - 5))
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#define KWQ_IDX(x) ((x) & MAX_KWQE_CNT)
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#define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BNX2_PAGE_BITS - 5))
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#define KCQ_IDX(x) ((x) & MAX_KCQE_CNT)
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#define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) == \
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(MAX_KCQE_CNT - 1)) ? \
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(x) + 2 : (x) + 1
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#define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp)
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#define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp)
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#define BNX2X_KWQ_DATA(cp, x) \
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&(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
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#define DEF_IPID_START 0x8000
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#define DEF_KA_TIMEOUT 10000
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#define DEF_KA_INTERVAL 300000
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#define DEF_KA_MAX_PROBE_COUNT 3
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#define DEF_TOS 0
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#define DEF_TTL 0xfe
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#define DEF_SND_SEQ_SCALE 0
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#define DEF_RCV_BUF 0xffff
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#define DEF_SND_BUF 0xffff
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#define DEF_SEED 0
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#define DEF_MAX_RT_TIME 500
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#define DEF_MAX_DA_COUNT 2
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#define DEF_SWS_TIMER 1000
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#define DEF_MAX_CWND 0xffff
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struct cnic_ctx {
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u32 cid;
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void *ctx;
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dma_addr_t mapping;
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};
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#define BNX2_MAX_CID 0x2000
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struct cnic_dma {
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int num_pages;
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void **pg_arr;
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dma_addr_t *pg_map_arr;
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int pgtbl_size;
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u32 *pgtbl;
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dma_addr_t pgtbl_map;
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};
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struct cnic_id_tbl {
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spinlock_t lock;
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u32 start;
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u32 max;
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u32 next;
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unsigned long *table;
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};
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#define CNIC_KWQ16_DATA_SIZE 128
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struct kwqe_16_data {
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u8 data[CNIC_KWQ16_DATA_SIZE];
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};
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struct cnic_iscsi {
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struct cnic_dma task_array_info;
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struct cnic_dma r2tq_info;
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struct cnic_dma hq_info;
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};
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struct cnic_context {
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u32 cid;
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struct kwqe_16_data *kwqe_data;
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dma_addr_t kwqe_data_mapping;
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wait_queue_head_t waitq;
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int wait_cond;
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unsigned long timestamp;
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unsigned long ctx_flags;
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#define CTX_FL_OFFLD_START 0
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#define CTX_FL_DELETE_WAIT 1
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#define CTX_FL_CID_ERROR 2
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u8 ulp_proto_id;
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union {
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struct cnic_iscsi *iscsi;
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} proto;
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};
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struct kcq_info {
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struct cnic_dma dma;
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struct kcqe **kcq;
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u16 *hw_prod_idx_ptr;
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u16 sw_prod_idx;
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u16 *status_idx_ptr;
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u32 io_addr;
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u16 (*next_idx)(u16);
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u16 (*hw_idx)(u16);
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};
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#define UIO_USE_TX_DOORBELL 0x017855DB
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struct cnic_uio_dev {
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struct uio_info cnic_uinfo;
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u32 uio_dev;
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int l2_ring_size;
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void *l2_ring;
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dma_addr_t l2_ring_map;
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int l2_buf_size;
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void *l2_buf;
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dma_addr_t l2_buf_map;
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struct cnic_dev *dev;
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struct pci_dev *pdev;
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struct list_head list;
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};
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struct cnic_local {
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spinlock_t cnic_ulp_lock;
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void *ulp_handle[MAX_CNIC_ULP_TYPE];
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unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];
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#define ULP_F_INIT 0
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#define ULP_F_START 1
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#define ULP_F_CALL_PENDING 2
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struct cnic_ulp_ops __rcu *ulp_ops[MAX_CNIC_ULP_TYPE];
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unsigned long cnic_local_flags;
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#define CNIC_LCL_FL_KWQ_INIT 0x0
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#define CNIC_LCL_FL_L2_WAIT 0x1
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#define CNIC_LCL_FL_RINGS_INITED 0x2
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#define CNIC_LCL_FL_STOP_ISCSI 0x4
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struct cnic_dev *dev;
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struct cnic_eth_dev *ethdev;
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struct cnic_uio_dev *udev;
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int l2_rx_ring_size;
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int l2_single_buf_size;
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u16 *rx_cons_ptr;
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u16 *tx_cons_ptr;
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u16 rx_cons;
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u16 tx_cons;
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struct cnic_dma kwq_info;
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struct kwqe **kwq;
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struct cnic_dma kwq_16_data_info;
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u16 max_kwq_idx;
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u16 kwq_prod_idx;
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u32 kwq_io_addr;
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u16 *kwq_con_idx_ptr;
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u16 kwq_con_idx;
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struct kcq_info kcq1;
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struct kcq_info kcq2;
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union {
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void *gen;
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struct status_block_msix *bnx2;
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struct host_hc_status_block_e1x *bnx2x_e1x;
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/* index values - which counter to update */
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#define SM_RX_ID 0
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#define SM_TX_ID 1
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} status_blk;
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struct host_sp_status_block *bnx2x_def_status_blk;
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u32 status_blk_num;
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u32 bnx2x_igu_sb_id;
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u32 int_num;
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u32 last_status_idx;
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struct tasklet_struct cnic_irq_task;
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struct kcqe *completed_kcq[MAX_COMPLETED_KCQE];
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struct cnic_sock *csk_tbl;
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struct cnic_id_tbl csk_port_tbl;
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struct cnic_dma gbl_buf_info;
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struct cnic_iscsi *iscsi_tbl;
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struct cnic_context *ctx_tbl;
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struct cnic_id_tbl cid_tbl;
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atomic_t iscsi_conn;
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u32 iscsi_start_cid;
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u32 fcoe_init_cid;
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u32 fcoe_start_cid;
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struct cnic_id_tbl fcoe_cid_tbl;
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u32 max_cid_space;
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/* per connection parameters */
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int num_iscsi_tasks;
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int num_ccells;
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int task_array_size;
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int r2tq_size;
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int hq_size;
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int num_cqs;
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struct delayed_work delete_task;
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struct cnic_ctx *ctx_arr;
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int ctx_blks;
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int ctx_blk_size;
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unsigned long ctx_align;
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int cids_per_blk;
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u32 chip_id;
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int func;
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u32 shmem_base;
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struct cnic_ops *cnic_ops;
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int (*start_hw)(struct cnic_dev *);
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void (*stop_hw)(struct cnic_dev *);
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void (*setup_pgtbl)(struct cnic_dev *,
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struct cnic_dma *);
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int (*alloc_resc)(struct cnic_dev *);
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void (*free_resc)(struct cnic_dev *);
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int (*start_cm)(struct cnic_dev *);
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void (*stop_cm)(struct cnic_dev *);
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void (*enable_int)(struct cnic_dev *);
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void (*disable_int_sync)(struct cnic_dev *);
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void (*ack_int)(struct cnic_dev *);
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void (*arm_int)(struct cnic_dev *, u32 index);
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void (*close_conn)(struct cnic_sock *, u32 opcode);
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};
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struct bnx2x_bd_chain_next {
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u32 addr_lo;
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u32 addr_hi;
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u8 reserved[8];
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};
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#define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1)
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#define ISCSI_RAMROD_CMD_ID_UPDATE_CONN (ISCSI_KCQE_OPCODE_UPDATE_CONN)
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#define ISCSI_RAMROD_CMD_ID_INIT (ISCSI_KCQE_OPCODE_INIT)
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#define CDU_REGION_NUMBER_XCM_AG 2
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#define CDU_REGION_NUMBER_UCM_AG 4
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#define CDU_VALID_DATA(_cid, _region, _type) \
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(((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf)))
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#define CDU_CRC8(_cid, _region, _type) \
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(calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff))
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#define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type) \
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(0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f))
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#define BNX2X_CONTEXT_MEM_SIZE 1024
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#define BNX2X_FCOE_CID 16
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#define BNX2X_ISCSI_START_CID 18
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#define BNX2X_ISCSI_NUM_CONNECTIONS 128
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#define BNX2X_ISCSI_TASK_CONTEXT_SIZE 128
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#define BNX2X_ISCSI_MAX_PENDING_R2TS 4
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#define BNX2X_ISCSI_R2TQE_SIZE 8
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#define BNX2X_ISCSI_HQ_BD_SIZE 64
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#define BNX2X_ISCSI_GLB_BUF_SIZE 64
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#define BNX2X_ISCSI_PBL_NOT_CACHED 0xff
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#define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED 0xff
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#define BNX2X_FCOE_NUM_CONNECTIONS 1024
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#define BNX2X_FCOE_L5_CID_BASE MAX_ISCSI_TBL_SZ
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#define BNX2X_CHIP_IS_E2_PLUS(bp) (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
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#define BNX2X_RX_DESC_CNT (BNX2_PAGE_SIZE / \
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sizeof(struct eth_rx_bd))
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#define BNX2X_MAX_RX_DESC_CNT (BNX2X_RX_DESC_CNT - 2)
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#define BNX2X_RCQ_DESC_CNT (BNX2_PAGE_SIZE / \
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sizeof(union eth_rx_cqe))
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#define BNX2X_MAX_RCQ_DESC_CNT (BNX2X_RCQ_DESC_CNT - 1)
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#define BNX2X_NEXT_RCQE(x) (((x) & BNX2X_MAX_RCQ_DESC_CNT) == \
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(BNX2X_MAX_RCQ_DESC_CNT - 1)) ? \
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((x) + 2) : ((x) + 1)
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#define BNX2X_DEF_SB_ID HC_SP_SB_ID
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#define BNX2X_SHMEM_MF_BLK_OFFSET 0x7e4
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#define BNX2X_SHMEM_ADDR(base, field) (base + \
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offsetof(struct shmem_region, field))
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#define BNX2X_SHMEM2_ADDR(base, field) (base + \
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offsetof(struct shmem2_region, field))
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#define BNX2X_SHMEM2_HAS(base, field) \
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((base) && \
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(CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base, size)) > \
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offsetof(struct shmem2_region, field)))
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#define BNX2X_MF_CFG_ADDR(base, field) \
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((base) + offsetof(struct mf_cfg, field))
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#ifndef ETH_MAX_RX_CLIENTS_E2
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#define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
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#endif
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#define CNIC_FUNC(cp) ((cp)->func)
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#define BNX2X_HW_CID(bp, x) ((BP_PORT(bp) << 23) | \
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(BP_VN(bp) << 17) | (x))
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#define BNX2X_SW_CID(x) (x & 0x1ffff)
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#define BNX2X_CL_QZONE_ID(bp, cli) \
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(BNX2X_CHIP_IS_E2_PLUS(bp) ? cli : \
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cli + (BP_PORT(bp) * ETH_MAX_RX_CLIENTS_E1H))
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#ifndef MAX_STAT_COUNTER_ID
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#define MAX_STAT_COUNTER_ID \
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(CHIP_IS_E1H(bp) ? MAX_STAT_COUNTER_ID_E1H : \
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((BNX2X_CHIP_IS_E2_PLUS(bp)) ? MAX_STAT_COUNTER_ID_E2 : \
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MAX_STAT_COUNTER_ID_E1))
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#endif
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#define CNIC_SUPPORTS_FCOE(cp) \
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(BNX2X_CHIP_IS_E2_PLUS(bp) && !NO_FCOE(bp))
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#define CNIC_RAMROD_TMO (HZ / 4)
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#endif
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