diff options
Diffstat (limited to 'kernel/drivers/net/ethernet/broadcom/cnic.h')
| -rw-r--r-- | kernel/drivers/net/ethernet/broadcom/cnic.h | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/kernel/drivers/net/ethernet/broadcom/cnic.h b/kernel/drivers/net/ethernet/broadcom/cnic.h new file mode 100644 index 000000000..4baea81ba --- /dev/null +++ b/kernel/drivers/net/ethernet/broadcom/cnic.h @@ -0,0 +1,427 @@ +/* cnic.h: QLogic CNIC core network driver. + * + * Copyright (c) 2006-2014 Broadcom Corporation + * Copyright (c) 2014 QLogic 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 HC_INDEX_ISCSI_EQ_CONS 6 + +#define HC_INDEX_FCOE_EQ_CONS 3 + +#define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5 +#define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1 + +#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 + +#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 61024 +#define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN) + +#define KWQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kwqe)) +#define KCQE_CNT (BNX2_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) >> (BNX2_PAGE_BITS - 5)) +#define KWQ_IDX(x) ((x) & MAX_KWQE_CNT) + +#define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BNX2_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; + unsigned long ctx_flags; +#define CTX_FL_OFFLD_START 0 +#define CTX_FL_DELETE_WAIT 1 +#define CTX_FL_CID_ERROR 2 + u8 ulp_proto_id; + union { + struct cnic_iscsi *iscsi; + } proto; +}; + +struct kcq_info { + struct cnic_dma dma; + struct kcqe **kcq; + + u16 *hw_prod_idx_ptr; + u16 sw_prod_idx; + u16 *status_idx_ptr; + u32 io_addr; + + u16 (*next_idx)(u16); + u16 (*hw_idx)(u16); +}; + +#define UIO_USE_TX_DOORBELL 0x017855DB + +struct cnic_uio_dev { + struct uio_info cnic_uinfo; + u32 uio_dev; + + int l2_ring_size; + void *l2_ring; + dma_addr_t l2_ring_map; + + int l2_buf_size; + void *l2_buf; + dma_addr_t l2_buf_map; + + struct cnic_dev *dev; + struct pci_dev *pdev; + struct list_head list; +}; + +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 __rcu *ulp_ops[MAX_CNIC_ULP_TYPE]; + + unsigned long cnic_local_flags; +#define CNIC_LCL_FL_KWQ_INIT 0x0 +#define CNIC_LCL_FL_L2_WAIT 0x1 +#define CNIC_LCL_FL_RINGS_INITED 0x2 +#define CNIC_LCL_FL_STOP_ISCSI 0x4 + + struct cnic_dev *dev; + + struct cnic_eth_dev *ethdev; + + struct cnic_uio_dev *udev; + + int l2_rx_ring_size; + int l2_single_buf_size; + + u16 *rx_cons_ptr; + u16 *tx_cons_ptr; + u16 rx_cons; + u16 tx_cons; + + 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 kcq_info kcq1; + struct kcq_info kcq2; + + union { + void *gen; + struct status_block_msix *bnx2; + struct host_hc_status_block_e1x *bnx2x_e1x; + /* index values - which counter to update */ + #define SM_RX_ID 0 + #define SM_TX_ID 1 + } status_blk; + + struct host_sp_status_block *bnx2x_def_status_blk; + + u32 status_blk_num; + u32 bnx2x_igu_sb_id; + 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 gbl_buf_info; + + struct cnic_iscsi *iscsi_tbl; + struct cnic_context *ctx_tbl; + struct cnic_id_tbl cid_tbl; + atomic_t iscsi_conn; + u32 iscsi_start_cid; + + u32 fcoe_init_cid; + u32 fcoe_start_cid; + struct cnic_id_tbl fcoe_cid_tbl; + + u32 max_cid_space; + + /* per connection parameters */ + int num_iscsi_tasks; + int num_ccells; + int task_array_size; + int r2tq_size; + int hq_size; + int num_cqs; + + struct delayed_work delete_task; + + 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; + + 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 (*arm_int)(struct cnic_dev *, u32 index); + void (*close_conn)(struct cnic_sock *, u32 opcode); +}; + +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 + +#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_GLB_BUF_SIZE 64 +#define BNX2X_ISCSI_PBL_NOT_CACHED 0xff +#define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED 0xff + +#define BNX2X_FCOE_NUM_CONNECTIONS 1024 + +#define BNX2X_FCOE_L5_CID_BASE MAX_ISCSI_TBL_SZ + +#define BNX2X_CHIP_IS_E2_PLUS(bp) (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) + +#define BNX2X_RX_DESC_CNT (BNX2_PAGE_SIZE / \ + sizeof(struct eth_rx_bd)) +#define BNX2X_MAX_RX_DESC_CNT (BNX2X_RX_DESC_CNT - 2) +#define BNX2X_RCQ_DESC_CNT (BNX2_PAGE_SIZE / \ + sizeof(union eth_rx_cqe)) +#define BNX2X_MAX_RCQ_DESC_CNT (BNX2X_RCQ_DESC_CNT - 1) + +#define BNX2X_NEXT_RCQE(x) (((x) & BNX2X_MAX_RCQ_DESC_CNT) == \ + (BNX2X_MAX_RCQ_DESC_CNT - 1)) ? \ + ((x) + 2) : ((x) + 1) + +#define BNX2X_DEF_SB_ID HC_SP_SB_ID + +#define BNX2X_SHMEM_MF_BLK_OFFSET 0x7e4 + +#define BNX2X_SHMEM_ADDR(base, field) (base + \ + offsetof(struct shmem_region, field)) + +#define BNX2X_SHMEM2_ADDR(base, field) (base + \ + offsetof(struct shmem2_region, field)) + +#define BNX2X_SHMEM2_HAS(base, field) \ + ((base) && \ + (CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base, size)) > \ + offsetof(struct shmem2_region, field))) + +#define BNX2X_MF_CFG_ADDR(base, field) \ + ((base) + offsetof(struct mf_cfg, field)) + +#ifndef ETH_MAX_RX_CLIENTS_E2 +#define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H +#endif + +#define CNIC_FUNC(cp) ((cp)->func) + +#define BNX2X_HW_CID(bp, x) ((BP_PORT(bp) << 23) | \ + (BP_VN(bp) << 17) | (x)) + +#define BNX2X_SW_CID(x) (x & 0x1ffff) + +#define BNX2X_CL_QZONE_ID(bp, cli) \ + (BNX2X_CHIP_IS_E2_PLUS(bp) ? cli : \ + cli + (BP_PORT(bp) * ETH_MAX_RX_CLIENTS_E1H)) + +#ifndef MAX_STAT_COUNTER_ID +#define MAX_STAT_COUNTER_ID \ + (CHIP_IS_E1H(bp) ? MAX_STAT_COUNTER_ID_E1H : \ + ((BNX2X_CHIP_IS_E2_PLUS(bp)) ? MAX_STAT_COUNTER_ID_E2 : \ + MAX_STAT_COUNTER_ID_E1)) +#endif + +#define CNIC_SUPPORTS_FCOE(cp) \ + (BNX2X_CHIP_IS_E2_PLUS(bp) && !NO_FCOE(bp)) + +#define CNIC_RAMROD_TMO (HZ / 4) + +#endif + |