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