/* cnic.h: Broadcom CNIC core network driver.
*
* Copyright (c) 2006-2010 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*
*/
#ifndef CNIC_H
#define CNIC_H
#define KWQ_PAGE_CNT 4
#define KCQ_PAGE_CNT 16
#define KWQ_CID 24
#define KCQ_CID 25
/*
* krnlq_context definition
*/
#define L5_KRNLQ_FLAGS 0x00000000
#define L5_KRNLQ_SIZE 0x00000000
#define L5_KRNLQ_TYPE 0x00000000
#define KRNLQ_FLAGS_PG_SZ (0xf<<0)
#define KRNLQ_FLAGS_PG_SZ_256 (0<<0)
#define KRNLQ_FLAGS_PG_SZ_512 (1<<0)
#define KRNLQ_FLAGS_PG_SZ_1K (2<<0)
#define KRNLQ_FLAGS_PG_SZ_2K (3<<0)
#define KRNLQ_FLAGS_PG_SZ_4K (4<<0)
#define KRNLQ_FLAGS_PG_SZ_8K (5<<0)
#define KRNLQ_FLAGS_PG_SZ_16K (6<<0)
#define KRNLQ_FLAGS_PG_SZ_32K (7<<0)
#define KRNLQ_FLAGS_PG_SZ_64K (8<<0)
#define KRNLQ_FLAGS_PG_SZ_128K (9<<0)
#define KRNLQ_FLAGS_PG_SZ_256K (10<<0)
#define KRNLQ_FLAGS_PG_SZ_512K (11<<0)
#define KRNLQ_FLAGS_PG_SZ_1M (12<<0)
#define KRNLQ_FLAGS_PG_SZ_2M (13<<0)
#define KRNLQ_FLAGS_QE_SELF_SEQ (1<<15)
#define KRNLQ_SIZE_TYPE_SIZE ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16)
#define KRNLQ_TYPE_TYPE (0xf<<28)
#define KRNLQ_TYPE_TYPE_EMPTY (0<<28)
#define KRNLQ_TYPE_TYPE_KRNLQ (6<<28)
#define L5_KRNLQ_HOST_QIDX 0x00000004
#define L5_KRNLQ_HOST_FW_QIDX 0x00000008
#define L5_KRNLQ_NX_QE_SELF_SEQ 0x0000000c
#define L5_KRNLQ_QE_SELF_SEQ_MAX 0x0000000c
#define L5_KRNLQ_NX_QE_HADDR_HI 0x00000010
#define L5_KRNLQ_NX_QE_HADDR_LO 0x00000014
#define L5_KRNLQ_PGTBL_PGIDX 0x00000018
#define L5_KRNLQ_NX_PG_QIDX 0x00000018
#define L5_KRNLQ_PGTBL_NPAGES 0x0000001c
#define L5_KRNLQ_QIDX_INCR 0x0000001c
#define L5_KRNLQ_PGTBL_HADDR_HI 0x00000020
#define L5_KRNLQ_PGTBL_HADDR_LO 0x00000024
#define BNX2_PG_CTX_MAP 0x1a0034
#define BNX2_ISCSI_CTX_MAP 0x1a0074
struct cnic_redirect_entry {
struct dst_entry *old_dst;
struct dst_entry *new_dst;
};
#define MAX_COMPLETED_KCQE 64
#define MAX_CNIC_L5_CONTEXT 256
#define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT
#define MAX_ISCSI_TBL_SZ 256
#define CNIC_LOCAL_PORT_MIN 60000
#define CNIC_LOCAL_PORT_MAX 61000
#define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN)
#define KWQE_CNT (BCM_PAGE_SIZE / sizeof(struct kwqe))
#define KCQE_CNT (BCM_PAGE_SIZE / sizeof(struct kcqe))
#define MAX_KWQE_CNT (KWQE_CNT - 1)
#define MAX_KCQE_CNT (KCQE_CNT - 1)
#define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1)
#define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1)
#define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BCM_PAGE_BITS - 5))
#define KWQ_IDX(x) ((x) & MAX_KWQE_CNT)
#define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BCM_PAGE_BITS - 5))
#define KCQ_IDX(x) ((x) & MAX_KCQE_CNT)
#define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) == \
(MAX_KCQE_CNT - 1)) ? \
(x) + 2 : (x) + 1
#define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp)
#define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp)
#define BNX2X_KWQ_DATA(cp, x) \
&(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
#define DEF_IPID_START 0x8000
#define DEF_KA_TIMEOUT 10000
#define DEF_KA_INTERVAL 300000
#define DEF_KA_MAX_PROBE_COUNT 3
#define DEF_TOS 0
#define DEF_TTL 0xfe
#define DEF_SND_SEQ_SCALE 0
#define DEF_RCV_BUF 0xffff
#define DEF_SND_BUF 0xffff
#define DEF_SEED 0
#define DEF_MAX_RT_TIME 500
#define DEF_MAX_DA_COUNT 2
#define DEF_SWS_TIMER 1000
#define DEF_MAX_CWND 0xffff
struct cnic_ctx {
u32 cid;
void *ctx;
dma_addr_t mapping;
};
#define BNX2_MAX_CID 0x2000
struct cnic_dma {
int num_pages;
void **pg_arr;
dma_addr_t *pg_map_arr;
int pgtbl_size;
u32 *pgtbl;
dma_addr_t pgtbl_map;
};
struct cnic_id_tbl {
spinlock_t lock;
u32 start;
u32 max;
u32 next;
unsigned long *table;
};
#define CNIC_KWQ16_DATA_SIZE 128
struct kwqe_16_data {
u8 data[CNIC_KWQ16_DATA_SIZE];
};
struct cnic_iscsi {
struct cnic_dma task_array_info;
struct cnic_dma r2tq_info;
struct cnic_dma hq_info;
};
struct cnic_context {
u32 cid;
struct kwqe_16_data *kwqe_data;
dma_addr_t kwqe_data_mapping;
wait_queue_head_t waitq;
int wait_cond;
unsigned long timestamp;
u32 ctx_flags;
#define CTX_FL_OFFLD_START 0x00000001
u8 ulp_proto_id;
union {
struct cnic_iscsi *iscsi;
} proto;
};
struct cnic_local {
spinlock_t cnic_ulp_lock;
void *ulp_handle[MAX_CNIC_ULP_TYPE];
unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];
#define ULP_F_INIT 0
#define ULP_F_START 1
#define ULP_F_CALL_PENDING 2
struct cnic_ulp_ops *ulp_ops[MAX_CNIC_ULP_TYPE];
/* protected by ulp_lock */
u32 cnic_local_flags;
#define CNIC_LCL_FL_KWQ_INIT 0x00000001
struct cnic_dev *dev;
struct cnic_eth_dev *ethdev;
void *l2_ring;
dma_addr_t l2_ring_map;
int l2_ring_size;
int l2_rx_ring_size;
void *l2_buf;
dma_addr_t l2_buf_map;
int l2_buf_size;
int l2_single_buf_size;
u16 *rx_cons_ptr;
u16 *tx_cons_ptr;
u16 rx_cons;
u16 tx_cons;
u32 kwq_cid_addr;
u32 kcq_cid_addr;
struct cnic_dma kwq_info;
struct kwqe **kwq;
struct cnic_dma kwq_16_data_info;
u16 max_kwq_idx;
u16 kwq_prod_idx;
u32 kwq_io_addr;
u16 *kwq_con_idx_ptr;
u16 kwq_con_idx;
struct cnic_dma kcq_info;
struct kcqe **kcq;
u16 kcq_prod_idx;
u32 kcq_io_addr;
union {
void *gen;
struct status_block_msix *bnx2;
struct host_status_block *bnx2x;
} status_blk;
struct host_def_status_block *bnx2x_def_status_blk;
u32 status_blk_num;
u32 int_num;
u32 last_status_idx;
struct tasklet_struct cnic_irq_task;
struct kcqe *completed_kcq[MAX_COMPLETED_KCQE];
struct cnic_sock *csk_tbl;
struct cnic_id_tbl csk_port_tbl;
struct cnic_dma conn_buf_info;
struct cnic_dma gbl_buf_info;
struct cnic_iscsi *iscsi_tbl;
struct cnic_context *ctx_tbl;
struct cnic_id_tbl cid_tbl;
int max_iscsi_conn;
atomic_t iscsi_conn;
/* per connection parameters */
int num_iscsi_tasks;
int num_ccells;
int task_array_size;
int r2tq_size;
int hq_size;
int num_cqs;
struct cnic_ctx *ctx_arr;
int ctx_blks;
int ctx_blk_size;
unsigned long ctx_align;
int cids_per_blk;
u32 chip_id;
int func;
u32 shmem_base;
u32 uio_dev;
struct uio_info *cnic_uinfo;
struct cnic_ops *cnic_ops;
int (*start_hw)(struct cnic_dev *);
void (*stop_hw)(struct cnic_dev *);
void (*setup_pgtbl)(struct cnic_dev *,
struct cnic_dma *);
int (*alloc_resc)(struct cnic_dev *);
void (*free_resc)(struct cnic_dev *);
int (*start_cm)(struct cnic_dev *);
void (*stop_cm)(struct cnic_dev *);
void (*enable_int)(struct cnic_dev *);
void (*disable_int_sync)(struct cnic_dev *);
void (*ack_int)(struct cnic_dev *);
void (*close_conn)(struct cnic_sock *, u32 opcode);
u16 (*next_idx)(u16);
u16 (*hw_idx)(u16);
};
struct bnx2x_bd_chain_next {
u32 addr_lo;
u32 addr_hi;
u8 reserved[8];
};
#define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1)
#define ISCSI_RAMROD_CMD_ID_UPDATE_CONN (ISCSI_KCQE_OPCODE_UPDATE_CONN)
#define ISCSI_RAMROD_CMD_ID_INIT (ISCSI_KCQE_OPCODE_INIT)
#define CDU_REGION_NUMBER_XCM_AG 2
#define CDU_REGION_NUMBER_UCM_AG 4
#define CDU_VALID_DATA(_cid, _region, _type) \
(((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf)))
#define CDU_CRC8(_cid, _region, _type) \
(calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff))
#define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type) \
(0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f))
#define BNX2X_CONTEXT_MEM_SIZE 1024
#define BNX2X_FCOE_CID 16
/* iSCSI client IDs are 17, 19, 21, 23 */
#define BNX2X_ISCSI_BASE_CL_ID 17
#define BNX2X_ISCSI_CL_ID(vn) (BNX2X_ISCSI_BASE_CL_ID + ((vn) << 1))
#define BNX2X_ISCSI_L2_CID 17
#define BNX2X_ISCSI_START_CID 18
#define BNX2X_ISCSI_NUM_CONNECTIONS 128
#define BNX2X_ISCSI_TASK_CONTEXT_SIZE 128
#define BNX2X_ISCSI_MAX_PENDING_R2TS 4
#define BNX2X_ISCSI_R2TQE_SIZE 8
#define BNX2X_ISCSI_HQ_BD_SIZE 64
#define BNX2X_ISCSI_CONN_BUF_SIZE 64
#define BNX2X_ISCSI_GLB_BUF_SIZE 64
#define BNX2X_ISCSI_PBL_NOT_CACHED 0xff
#define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED 0xff
#define BNX2X_HW_CID(x, func) ((x) | (((func) % PORT_MAX) << 23) | \
(((func) >> 1) << 17))
#define BNX2X_SW_CID(x) (x & 0x1ffff)
#define BNX2X_CHIP_NUM_57711 0x164f
#define BNX2X_CHIP_NUM_57711E 0x1650
#define BNX2X_CHIP_NUM(x) (x >> 16)
#define BNX2X_CHIP_IS_57711(x) \
(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711)
#define BNX2X_CHIP_IS_57711E(x) \
(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711E)
#define BNX2X_CHIP_IS_E1H(x) \
(BNX2X_CHIP_IS_57711(x) || BNX2X_CHIP_IS_57711E(x))
#define IS_E1H_OFFSET BNX2X_CHIP_IS_E1H(cp->chip_id)
#define BNX2X_RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
#define BNX2X_MAX_RX_DESC_CNT (BNX2X_RX_DESC_CNT - 2)
#define BNX2X_RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
#define BNX2X_MAX_RCQ_DESC_CNT (BNX2X_RCQ_DESC_CNT - 1)
#define BNX2X_DEF_SB_ID 16
#define BNX2X_ISCSI_RX_SB_INDEX_NUM \
((HC_INDEX_DEF_U_ETH_ISCSI_RX_CQ_CONS << \
USTORM_ETH_ST_CONTEXT_CONFIG_CQE_SB_INDEX_NUMBER_SHIFT) & \
USTORM_ETH_ST_CONTEXT_CONFIG_CQE_SB_INDEX_NUMBER)
#define BNX2X_SHMEM_ADDR(base, field) (base + \
offsetof(struct shmem_region, field))
#define CNIC_PORT(cp) ((cp)->func % PORT_MAX)
#define CNIC_FUNC(cp) ((cp)->func)
#define CNIC_E1HVN(cp) ((cp)->func >> 1)
#endif
