|  | /* cnic.h: Broadcom CNIC core network driver. | 
|  | * | 
|  | * Copyright (c) 2006-2009 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_COUNT		0xc001 | 
|  |  | 
|  | #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; | 
|  |  | 
|  | void				*status_blk; | 
|  | struct status_block_msix	*bnx2_status_blk; | 
|  | 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 | 
|  |  |