1/*- 2 * Copyright(c) 2002-2011 Exar Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification are permitted provided the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the Exar Corporation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31/*$FreeBSD$*/ 32#include <dev/vxge/vxgehal/vxgehal.h> 33 34 35/* 36 * __hal_non_offload_db_post - Post non offload doorbell 37 * 38 * @vpath_handle: vpath handle 39 * @txdl_ptr: The starting location of the TxDL in host memory 40 * @num_txds: The highest TxD in this TxDL (0 to 255 means 1 to 256) 41 * @no_snoop: No snoop flags 42 * 43 * This function posts a non-offload doorbell to doorbell FIFO 44 * 45 */ 46void 47__hal_non_offload_db_post(vxge_hal_vpath_h vpath_handle, 48 u64 txdl_ptr, 49 u32 num_txds, 50 u32 no_snoop) 51{ 52 u64 *db_ptr; 53 __hal_device_t *hldev; 54 __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; 55 56 vxge_assert((vpath_handle != NULL) && (txdl_ptr != 0)); 57 58 hldev = (__hal_device_t *) vp->vpath->hldev; 59 60 vxge_hal_trace_log_fifo("==> %s:%s:%d", 61 __FILE__, __func__, __LINE__); 62 63 vxge_hal_trace_log_fifo( 64 "vpath_handle = 0x"VXGE_OS_STXFMT", txdl_ptr = 0x"VXGE_OS_STXFMT 65 ", num_txds = %d, no_snoop = %d", (ptr_t) vpath_handle, 66 (ptr_t) txdl_ptr, num_txds, no_snoop); 67 68 db_ptr = &vp->vpath->nofl_db->control_0; 69 70 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 71 vp->vpath->hldev->header.regh0, 72 VXGE_HAL_NODBW_TYPE(VXGE_HAL_NODBW_TYPE_NODBW) | 73 VXGE_HAL_NODBW_LAST_TXD_NUMBER(num_txds) | 74 VXGE_HAL_NODBW_GET_NO_SNOOP(no_snoop), 75 db_ptr++); 76 77 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 78 vp->vpath->hldev->header.regh0, 79 txdl_ptr, 80 db_ptr); 81 82 vxge_hal_trace_log_fifo("<== %s:%s:%d Result: 0", 83 __FILE__, __func__, __LINE__); 84} 85 86/* 87 * __hal_non_offload_db_reset - Reset non offload doorbell fifo 88 * 89 * @vpath_handle: vpath handle 90 * 91 * This function resets non-offload doorbell FIFO 92 * 93 */ 94vxge_hal_status_e 95__hal_non_offload_db_reset(vxge_hal_vpath_h vpath_handle) 96{ 97 vxge_hal_status_e status; 98 __hal_device_t *hldev; 99 __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; 100 101 vxge_assert(vpath_handle != NULL); 102 103 hldev = (__hal_device_t *) vp->vpath->hldev; 104 105 vxge_hal_trace_log_fifo("==> %s:%s:%d", 106 __FILE__, __func__, __LINE__); 107 108 vxge_hal_trace_log_fifo( 109 "vpath_handle = 0x"VXGE_OS_STXFMT, (ptr_t) vpath_handle); 110 111 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 112 vp->vpath->hldev->header.regh0, 113 VXGE_HAL_CMN_RSTHDLR_CFG2_SW_RESET_FIFO0( 114 1 << (16 - vp->vpath->vp_id)), 115 &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg2); 116 117 vxge_os_wmb(); 118 119 status = vxge_hal_device_register_poll(vp->vpath->hldev->header.pdev, 120 vp->vpath->hldev->header.regh0, 121 &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg2, 0, 122 (u64) VXGE_HAL_CMN_RSTHDLR_CFG2_SW_RESET_FIFO0( 123 1 << (16 - vp->vpath->vp_id)), 124 VXGE_HAL_DEF_DEVICE_POLL_MILLIS); 125 126 vxge_hal_trace_log_fifo("<== %s:%s:%d Result: 0", 127 __FILE__, __func__, __LINE__); 128 129 return (status); 130} 131 132/* 133 * __hal_rxd_db_post - Post rxd doorbell 134 * 135 * @vpath_handle: vpath handle 136 * @num_bytes: The number of bytes 137 * 138 * This function posts a rxd doorbell 139 * 140 */ 141void 142__hal_rxd_db_post(vxge_hal_vpath_h vpath_handle, 143 u32 num_bytes) 144{ 145 __hal_device_t *hldev; 146 __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; 147 148 vxge_assert(vpath_handle != NULL); 149 150 hldev = (__hal_device_t *) vp->vpath->hldev; 151 152 vxge_hal_trace_log_ring("==> %s:%s:%d", 153 __FILE__, __func__, __LINE__); 154 155 vxge_hal_trace_log_fifo( 156 "vpath_handle = 0x"VXGE_OS_STXFMT", num_bytes = %d", 157 (ptr_t) vpath_handle, num_bytes); 158 159 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 160 vp->vpath->hldev->header.regh0, 161 VXGE_HAL_PRC_RXD_DOORBELL_NEW_QW_CNT((num_bytes >> 3)), 162 &vp->vpath->vp_reg->prc_rxd_doorbell); 163 164 vxge_hal_trace_log_ring("<== %s:%s:%d Result: 0", 165 __FILE__, __func__, __LINE__); 166} 167 168 169/* 170 * __hal_message_db_post - Post message doorbell 171 * 172 * @vpath_handle: VPATH handle 173 * @num_msg_bytes: The number of new message bytes made available 174 * by this doorbell entry. 175 * @immed_msg: Immediate message to be sent 176 * @immed_msg_len: Immediate message length 177 * 178 * This function posts a message doorbell to doorbell FIFO 179 * 180 */ 181void 182__hal_message_db_post(vxge_hal_vpath_h vpath_handle, 183 u32 num_msg_bytes, 184 u8 *immed_msg, 185 u32 immed_msg_len) 186{ 187 u32 i; 188 u64 *db_ptr; 189 __hal_device_t *hldev; 190 __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; 191 192 vxge_assert((vpath_handle != NULL) && (num_msg_bytes != 0)); 193 194 hldev = (__hal_device_t *) vp->vpath->hldev; 195 196 vxge_hal_trace_log_dmq("==> %s:%s:%d", 197 __FILE__, __func__, __LINE__); 198 199 vxge_hal_trace_log_dmq("vpath_handle = 0x"VXGE_OS_STXFMT", " 200 "num_msg_bytes = %d, immed_msg = 0x"VXGE_OS_STXFMT", " 201 "immed_msg_len = %d", (ptr_t) vpath_handle, num_msg_bytes, 202 (ptr_t) immed_msg, immed_msg_len); 203 204 db_ptr = &vp->vpath->msg_db->control_0; 205 206 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 207 vp->vpath->hldev->header.regh0, 208 VXGE_HAL_MDBW_TYPE(VXGE_HAL_MDBW_TYPE_MDBW) | 209 VXGE_HAL_MDBW_MESSAGE_BYTE_COUNT(num_msg_bytes), 210 db_ptr++); 211 212 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 213 vp->vpath->hldev->header.regh0, 214 VXGE_HAL_MDBW_IMMEDIATE_BYTE_COUNT(immed_msg_len), 215 db_ptr++); 216 217 for (i = 0; i < immed_msg_len / 8; i++) { 218 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 219 vp->vpath->hldev->header.regh0, 220 *((u64 *) ((void *)&immed_msg[i * 8])), 221 db_ptr++); 222 } 223 224 vxge_hal_trace_log_dmq("<== %s:%s:%d Result: 0", 225 __FILE__, __func__, __LINE__); 226} 227 228/* 229 * __hal_message_db_reset - Reset message doorbell fifo 230 * 231 * @vpath_handle: vpath handle 232 * 233 * This function resets message doorbell FIFO 234 * 235 */ 236vxge_hal_status_e 237__hal_message_db_reset(vxge_hal_vpath_h vpath_handle) 238{ 239 vxge_hal_status_e status; 240 __hal_device_t *hldev; 241 __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; 242 243 vxge_assert(vpath_handle != NULL); 244 245 hldev = (__hal_device_t *) vp->vpath->hldev; 246 247 vxge_hal_trace_log_dmq("==> %s:%s:%d", 248 __FILE__, __func__, __LINE__); 249 250 vxge_hal_trace_log_dmq("vpath_handle = 0x"VXGE_OS_STXFMT, 251 (ptr_t) vpath_handle); 252 253 vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, 254 vp->vpath->hldev->header.regh0, 255 VXGE_HAL_CMN_RSTHDLR_CFG3_SW_RESET_FIFO1( 256 1 << (16 - vp->vpath->vp_id)), 257 &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg3); 258 259 vxge_os_wmb(); 260 261 status = vxge_hal_device_register_poll(vp->vpath->hldev->header.pdev, 262 vp->vpath->hldev->header.regh0, 263 &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg3, 0, 264 (u64) VXGE_HAL_CMN_RSTHDLR_CFG3_SW_RESET_FIFO1( 265 1 << (16 - vp->vpath->vp_id)), 266 VXGE_HAL_DEF_DEVICE_POLL_MILLIS); 267 268 vxge_hal_trace_log_dmq("<== %s:%s:%d Result: 0", 269 __FILE__, __func__, __LINE__); 270 271 return (status); 272} 273