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/*-
* Copyright(c) 2002-2011 Exar Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification are permitted provided the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Exar Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*$FreeBSD: release/9.1.0/sys/dev/vxge/vxgehal/vxgehal-doorbells.h 221167 2011-04-28 14:33:15Z gnn $*/
#ifndef VXGE_HAL_DOOR_BELLS_H
#define VXGE_HAL_DOOR_BELLS_H
__EXTERN_BEGIN_DECLS
/*
* struct __hal_non_offload_db_wrapper_t - Non-offload Doorbell Wrapper
* @control_0: Bits 0 to 7 - Doorbell type.
* Bits 8 to 31 - Reserved.
* Bits 32 to 39 - The highest TxD in this TxDL.
* Bits 40 to 47 - Reserved.
* Bits 48 to 55 - Reserved.
* Bits 56 to 63 - No snoop flags.
* @txdl_ptr: The starting location of the TxDL in host memory.
*
* Created by the host and written to the adapter via PIO to a Kernel Doorbell
* FIFO. All non-offload doorbell wrapper fields must be written by the host as
* part of a doorbell write. Consumed by the adapter but is not written by the
* adapter.
*/
typedef __vxge_os_attr_cacheline_aligned struct __hal_non_offload_db_wrapper_t {
u64 control_0;
#define VXGE_HAL_NODBW_GET_TYPE(ctrl0) bVAL8(ctrl0, 0)
#define VXGE_HAL_NODBW_TYPE(val) vBIT(val, 0, 8)
#define VXGE_HAL_NODBW_TYPE_NODBW 0
#define VXGE_HAL_NODBW_GET_LAST_TXD_NUMBER(ctrl0) bVAL8(ctrl0, 32)
#define VXGE_HAL_NODBW_LAST_TXD_NUMBER(val) vBIT(val, 32, 8)
#define VXGE_HAL_NODBW_GET_NO_SNOOP(ctrl0) bVAL8(ctrl0, 56)
#define VXGE_HAL_NODBW_LIST_NO_SNOOP(val) vBIT(val, 56, 8)
#define VXGE_HAL_NODBW_LIST_NO_SNOOP_TXD_READ_TXD0_WRITE 0x2
#define VXGE_HAL_NODBW_LIST_NO_SNOOP_TX_FRAME_DATA_READ 0x1
u64 txdl_ptr;
} __hal_non_offload_db_wrapper_t;
/*
* struct __hal_offload_db_wrapper_t - Tx-Offload Doorbell Wrapper
* @control_0: Bits 0 to 7 - Doorbell type.
* Bits 8 to 31 - Identifies the session to which this Tx
* offload doorbell applies.
* Bits 32 to 40 - Identifies the incarnation of this Session
* Number. The adapter assigns a Session Instance
* Number of 0 to a session when that Session Number
* is first used. Each subsequent assignment of that
* Session Number from the free pool causes this
* number to be incremented, with wrap eventually
* occurring from 255 back to 0.
* Bits 40 to 63 - Identifies the end of the TOWI list for
* this session to the adapter.
* @control_1: Bits 0 to 7 - Identifies what is included in this doorbell
* Bits 8 to 15 - The number of Immediate data bytes included in
* this doorbell.
* Bits 16 to 63 - Reserved.
*
* Created by the host and written to the adapter via PIO to a Kernel Doorbell
* FIFO. All Tx Offload doorbell wrapper fields must be written by the host as
* part of a doorbell write. Consumed by the adapter but is never written by the
* adapter.
*/
typedef __vxge_os_attr_cacheline_aligned struct __hal_offload_db_wrapper_t {
u64 control_0;
#define VXGE_HAL_ODBW_GET_TYPE(ctrl0) bVAL8(ctrl0, 0)
#define VXGE_HAL_ODBW_TYPE(val) vBIT(val, 0, 8)
#define VXGE_HAL_ODBW_TYPE_ODBW 1
#define VXGE_HAL_ODBW_GET_SESSION_NUMBER(ctrl0) bVAL24(ctrl0, 8)
#define VXGE_HAL_ODBW_SESSION_NUMBER(val) vBIT(val, 8, 24)
#define VXGE_HAL_ODBW_GET_SESSION_INST_NUMBER(ctrl0) bVAL8(ctrl0, 32)
#define VXGE_HAL_ODBW_SESSION_INST_NUMBER(val) vBIT(val, 32, 8)
#define VXGE_HAL_ODBW_GET_HIGH_TOWI_NUMBER(ctrl0) bVAL24(ctrl0, 40)
#define VXGE_HAL_ODBW_HIGH_TOWI_NUMBER(val) vBIT(val, 40, 24)
u64 control_1;
#define VXGE_HAL_ODBW_GET_ENTRY_TYPE(ctrl1) bVAL8(ctrl1, 0)
#define VXGE_HAL_ODBW_ENTRY_TYPE(val) vBIT(val, 0, 8)
#define VXGE_HAL_ODBW_ENTRY_TYPE_WRAPPER_ONLY 0x0
#define VXGE_HAL_ODBW_ENTRY_TYPE_WRAPPER_TOWI 0x1
#define VXGE_HAL_ODBW_ENTRY_TYPE_WRAPPER_TOWI_DATA 0x2
#define VXGE_HAL_ODBW_GET_IMMEDIATE_BYTE_COUNT(ctrl1) bVAL8(ctrl1, 8)
#define VXGE_HAL_ODBW_IMMEDIATE_BYTE_COUNT(val) vBIT(val, 8, 8)
} __hal_offload_db_wrapper_t;
/*
* struct __hal_offload_atomic_db_wrapper_t - Atomic Tx-Offload Doorbell
* Wrapper
* @control_0: Bits 0 to 7 - Doorbell type.
* Bits 8 to 31 - Identifies the session to which this Tx
* offload doorbell applies.
* Bits 32 to 40 - Identifies the incarnation of this Session
* Number. The adapter assigns a Session Instance
* Number of 0 to a session when that Session Number
* is first used. Each subsequent assignment of that
* Session Number from the free pool causes this
* number to be incremented, with wrap eventually
* occurring from 255 back to 0.
* Bits 40 to 63 - Identifies the end of the TOWI list for
* this session to the adapter.
*
* Created by the host and written to the adapter via PIO to a Kernel Doorbell
* FIFO. All Tx Offload doorbell wrapper fields must be written by the host as
* part of a doorbell write. Consumed by the adapter but is never written by the
* adapter.
*/
typedef __vxge_os_attr_cacheline_aligned
struct __hal_offload_atomic_db_wrapper_t {
u64 control_0;
#define VXGE_HAL_ODBW_GET_TYPE(ctrl0) bVAL8(ctrl0, 0)
#define VXGE_HAL_ODBW_TYPE(val) vBIT(val, 0, 8)
#define VXGE_HAL_ODBW_TYPE_ATOMIC 2
#define VXGE_HAL_ODBW_GET_SESSION_NUMBER(ctrl0) bVAL24(ctrl0, 8)
#define VXGE_HAL_ODBW_SESSION_NUMBER(val) vBIT(val, 8, 24)
#define VXGE_HAL_ODBW_GET_SESSION_INST_NUMBER(ctrl0) bVAL8(ctrl0, 32)
#define VXGE_HAL_ODBW_SESSION_INST_NUMBER(val) vBIT(val, 32, 8)
#define VXGE_HAL_ODBW_GET_HIGH_TOWI_NUMBER(ctrl0) bVAL24(ctrl0, 40)
#define VXGE_HAL_ODBW_HIGH_TOWI_NUMBER(val) vBIT(val, 40, 24)
} __hal_offload_atomic_db_wrapper_t;
/*
* struct __hal_messaging_db_wrapper_t - Messaging Doorbell Wrapper
* @control_0: Bits 0 to 7 - Doorbell type.
* Bits 8 to 31 - Reserved.
* Bits 32 to 63 - The number of new message bytes made available
* by this doorbell entry.
* @control_1: Bits 0 to 7 - Reserved.
* Bits 8 to 15 - The number of Immediate messaging bytes included
* in this doorbell.
* Bits 16 to 63 - Reserved.
*
* Created by the host and written to the adapter via PIO to a Kernel Doorbell
* FIFO. All message doorbell wrapper fields must be written by the host as
* part of a doorbell write. Consumed by the adapter but not written by adapter.
*/
typedef __vxge_os_attr_cacheline_aligned struct __hal_messaging_db_wrapper_t {
u64 control_0;
#define VXGE_HAL_MDBW_GET_TYPE(ctrl0) bVAL8(ctrl0, 0)
#define VXGE_HAL_MDBW_TYPE(val) vBIT(val, 0, 8)
#define VXGE_HAL_MDBW_TYPE_MDBW 3
#define VXGE_HAL_MDBW_GET_MESSAGE_BYTE_COUNT(ctrl0) bVAL32(ctrl0, 32)
#define VXGE_HAL_MDBW_MESSAGE_BYTE_COUNT(val) vBIT(val, 32, 32)
u64 control_1;
#define VXGE_HAL_MDBW_GET_IMMEDIATE_BYTE_COUNT(ctrl1) bVAL8(ctrl1, 8)
#define VXGE_HAL_MDBW_IMMEDIATE_BYTE_COUNT(val) vBIT(val, 8, 8)
} __hal_messaging_db_wrapper_t;
void
__hal_non_offload_db_post(vxge_hal_vpath_h vpath_handle,
u64 txdl_ptr,
u32 num_txds,
u32 no_snoop);
void
__hal_rxd_db_post(vxge_hal_vpath_h vpath_handle,
u32 num_bytes);
vxge_hal_status_e
__hal_non_offload_db_reset(vxge_hal_vpath_h vpath_handle);
void
__hal_message_db_post(vxge_hal_vpath_h vpath_handle,
u32 num_msg_bytes,
u8 *immed_msg,
u32 immed_msg_len);
vxge_hal_status_e
__hal_message_db_reset(vxge_hal_vpath_h vpath_handle);
__EXTERN_END_DECLS
#endif /* VXGE_HAL_DOOR_BELLS_H */