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 */
46 void
__hal_non_offload_db_post(vxge_hal_vpath_h vpath_handle,u64 txdl_ptr,u32 num_txds,u32 no_snoop)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 */
94 vxge_hal_status_e
__hal_non_offload_db_reset(vxge_hal_vpath_h vpath_handle)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 */
141 void
__hal_rxd_db_post(vxge_hal_vpath_h vpath_handle,u32 num_bytes)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 */
181 void
__hal_message_db_post(vxge_hal_vpath_h vpath_handle,u32 num_msg_bytes,u8 * immed_msg,u32 immed_msg_len)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 */
236 vxge_hal_status_e
__hal_message_db_reset(vxge_hal_vpath_h vpath_handle)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