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40a3a915 RV |
1 | /****************************************************************************** |
2 | * This software may be used and distributed according to the terms of | |
3 | * the GNU General Public License (GPL), incorporated herein by reference. | |
4 | * Drivers based on or derived from this code fall under the GPL and must | |
5 | * retain the authorship, copyright and license notice. This file is not | |
6 | * a complete program and may only be used when the entire operating | |
7 | * system is licensed under the GPL. | |
8 | * See the file COPYING in this distribution for more information. | |
9 | * | |
926bd900 | 10 | * vxge-config.c: Driver for Exar Corp's X3100 Series 10GbE PCIe I/O |
40a3a915 | 11 | * Virtualized Server Adapter. |
926bd900 | 12 | * Copyright(c) 2002-2010 Exar Corp. |
40a3a915 RV |
13 | ******************************************************************************/ |
14 | #include <linux/vmalloc.h> | |
15 | #include <linux/etherdevice.h> | |
16 | #include <linux/pci.h> | |
17 | #include <linux/pci_hotplug.h> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
40a3a915 RV |
19 | |
20 | #include "vxge-traffic.h" | |
21 | #include "vxge-config.h" | |
8424e00d | 22 | #include "vxge-main.h" |
40a3a915 | 23 | |
528f7272 JM |
24 | #define VXGE_HW_VPATH_STATS_PIO_READ(offset) { \ |
25 | status = __vxge_hw_vpath_stats_access(vpath, \ | |
26 | VXGE_HW_STATS_OP_READ, \ | |
27 | offset, \ | |
28 | &val64); \ | |
29 | if (status != VXGE_HW_OK) \ | |
30 | return status; \ | |
42821a5b | 31 | } |
32 | ||
4d2a5b40 JM |
33 | static void |
34 | vxge_hw_vpath_set_zero_rx_frm_len(struct vxge_hw_vpath_reg __iomem *vp_reg) | |
35 | { | |
36 | u64 val64; | |
37 | ||
38 | val64 = readq(&vp_reg->rxmac_vcfg0); | |
39 | val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); | |
40 | writeq(val64, &vp_reg->rxmac_vcfg0); | |
41 | val64 = readq(&vp_reg->rxmac_vcfg0); | |
4d2a5b40 JM |
42 | } |
43 | ||
44 | /* | |
45 | * vxge_hw_vpath_wait_receive_idle - Wait for Rx to become idle | |
46 | */ | |
47 | int vxge_hw_vpath_wait_receive_idle(struct __vxge_hw_device *hldev, u32 vp_id) | |
48 | { | |
49 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
50 | struct __vxge_hw_virtualpath *vpath; | |
51 | u64 val64, rxd_count, rxd_spat; | |
52 | int count = 0, total_count = 0; | |
53 | ||
54 | vpath = &hldev->virtual_paths[vp_id]; | |
55 | vp_reg = vpath->vp_reg; | |
56 | ||
57 | vxge_hw_vpath_set_zero_rx_frm_len(vp_reg); | |
58 | ||
59 | /* Check that the ring controller for this vpath has enough free RxDs | |
60 | * to send frames to the host. This is done by reading the | |
61 | * PRC_RXD_DOORBELL_VPn register and comparing the read value to the | |
62 | * RXD_SPAT value for the vpath. | |
63 | */ | |
64 | val64 = readq(&vp_reg->prc_cfg6); | |
65 | rxd_spat = VXGE_HW_PRC_CFG6_GET_RXD_SPAT(val64) + 1; | |
66 | /* Use a factor of 2 when comparing rxd_count against rxd_spat for some | |
67 | * leg room. | |
68 | */ | |
69 | rxd_spat *= 2; | |
70 | ||
71 | do { | |
72 | mdelay(1); | |
73 | ||
74 | rxd_count = readq(&vp_reg->prc_rxd_doorbell); | |
75 | ||
76 | /* Check that the ring controller for this vpath does | |
77 | * not have any frame in its pipeline. | |
78 | */ | |
79 | val64 = readq(&vp_reg->frm_in_progress_cnt); | |
80 | if ((rxd_count <= rxd_spat) || (val64 > 0)) | |
81 | count = 0; | |
82 | else | |
83 | count++; | |
84 | total_count++; | |
85 | } while ((count < VXGE_HW_MIN_SUCCESSIVE_IDLE_COUNT) && | |
86 | (total_count < VXGE_HW_MAX_POLLING_COUNT)); | |
87 | ||
88 | if (total_count >= VXGE_HW_MAX_POLLING_COUNT) | |
89 | printk(KERN_ALERT "%s: Still Receiving traffic. Abort wait\n", | |
90 | __func__); | |
91 | ||
92 | return total_count; | |
93 | } | |
94 | ||
95 | /* vxge_hw_device_wait_receive_idle - This function waits until all frames | |
96 | * stored in the frame buffer for each vpath assigned to the given | |
97 | * function (hldev) have been sent to the host. | |
98 | */ | |
99 | void vxge_hw_device_wait_receive_idle(struct __vxge_hw_device *hldev) | |
100 | { | |
101 | int i, total_count = 0; | |
102 | ||
103 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
104 | if (!(hldev->vpaths_deployed & vxge_mBIT(i))) | |
105 | continue; | |
106 | ||
107 | total_count += vxge_hw_vpath_wait_receive_idle(hldev, i); | |
108 | if (total_count >= VXGE_HW_MAX_POLLING_COUNT) | |
109 | break; | |
110 | } | |
111 | } | |
112 | ||
528f7272 JM |
113 | /* |
114 | * __vxge_hw_device_register_poll | |
115 | * Will poll certain register for specified amount of time. | |
116 | * Will poll until masked bit is not cleared. | |
117 | */ | |
118 | static enum vxge_hw_status | |
119 | __vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis) | |
120 | { | |
121 | u64 val64; | |
122 | u32 i = 0; | |
123 | enum vxge_hw_status ret = VXGE_HW_FAIL; | |
124 | ||
125 | udelay(10); | |
126 | ||
127 | do { | |
128 | val64 = readq(reg); | |
129 | if (!(val64 & mask)) | |
130 | return VXGE_HW_OK; | |
131 | udelay(100); | |
132 | } while (++i <= 9); | |
133 | ||
134 | i = 0; | |
135 | do { | |
136 | val64 = readq(reg); | |
137 | if (!(val64 & mask)) | |
138 | return VXGE_HW_OK; | |
139 | mdelay(1); | |
140 | } while (++i <= max_millis); | |
141 | ||
142 | return ret; | |
143 | } | |
144 | ||
145 | static inline enum vxge_hw_status | |
146 | __vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr, | |
147 | u64 mask, u32 max_millis) | |
148 | { | |
149 | __vxge_hw_pio_mem_write32_lower((u32)vxge_bVALn(val64, 32, 32), addr); | |
150 | wmb(); | |
151 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), addr); | |
152 | wmb(); | |
153 | ||
154 | return __vxge_hw_device_register_poll(addr, mask, max_millis); | |
155 | } | |
156 | ||
8424e00d JM |
157 | static enum vxge_hw_status |
158 | vxge_hw_vpath_fw_api(struct __vxge_hw_virtualpath *vpath, u32 action, | |
159 | u32 fw_memo, u32 offset, u64 *data0, u64 *data1, | |
160 | u64 *steer_ctrl) | |
161 | { | |
9f9b1645 | 162 | struct vxge_hw_vpath_reg __iomem *vp_reg = vpath->vp_reg; |
8424e00d JM |
163 | enum vxge_hw_status status; |
164 | u64 val64; | |
9f9b1645 | 165 | u32 retry = 0, max_retry = 3; |
8424e00d | 166 | |
9f9b1645 JM |
167 | spin_lock(&vpath->lock); |
168 | if (!vpath->vp_open) { | |
169 | spin_unlock(&vpath->lock); | |
170 | max_retry = 100; | |
8424e00d JM |
171 | } |
172 | ||
173 | writeq(*data0, &vp_reg->rts_access_steer_data0); | |
174 | writeq(*data1, &vp_reg->rts_access_steer_data1); | |
175 | wmb(); | |
176 | ||
177 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) | | |
178 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(fw_memo) | | |
179 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset) | | |
180 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
181 | *steer_ctrl; | |
182 | ||
183 | status = __vxge_hw_pio_mem_write64(val64, | |
184 | &vp_reg->rts_access_steer_ctrl, | |
185 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
186 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
187 | ||
188 | /* The __vxge_hw_device_register_poll can udelay for a significant | |
25985edc | 189 | * amount of time, blocking other process from the CPU. If it delays |
8424e00d JM |
190 | * for ~5secs, a NMI error can occur. A way around this is to give up |
191 | * the processor via msleep, but this is not allowed is under lock. | |
192 | * So, only allow it to sleep for ~4secs if open. Otherwise, delay for | |
193 | * 1sec and sleep for 10ms until the firmware operation has completed | |
194 | * or timed-out. | |
195 | */ | |
196 | while ((status != VXGE_HW_OK) && retry++ < max_retry) { | |
197 | if (!vpath->vp_open) | |
198 | msleep(20); | |
199 | status = __vxge_hw_device_register_poll( | |
200 | &vp_reg->rts_access_steer_ctrl, | |
201 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
202 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
203 | } | |
204 | ||
205 | if (status != VXGE_HW_OK) | |
206 | goto out; | |
207 | ||
208 | val64 = readq(&vp_reg->rts_access_steer_ctrl); | |
209 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
210 | *data0 = readq(&vp_reg->rts_access_steer_data0); | |
211 | *data1 = readq(&vp_reg->rts_access_steer_data1); | |
212 | *steer_ctrl = val64; | |
213 | } else | |
214 | status = VXGE_HW_FAIL; | |
215 | ||
216 | out: | |
217 | if (vpath->vp_open) | |
218 | spin_unlock(&vpath->lock); | |
219 | return status; | |
220 | } | |
221 | ||
e8ac1756 JM |
222 | enum vxge_hw_status |
223 | vxge_hw_upgrade_read_version(struct __vxge_hw_device *hldev, u32 *major, | |
224 | u32 *minor, u32 *build) | |
225 | { | |
226 | u64 data0 = 0, data1 = 0, steer_ctrl = 0; | |
227 | struct __vxge_hw_virtualpath *vpath; | |
228 | enum vxge_hw_status status; | |
229 | ||
230 | vpath = &hldev->virtual_paths[hldev->first_vp_id]; | |
231 | ||
232 | status = vxge_hw_vpath_fw_api(vpath, | |
233 | VXGE_HW_FW_UPGRADE_ACTION, | |
234 | VXGE_HW_FW_UPGRADE_MEMO, | |
235 | VXGE_HW_FW_UPGRADE_OFFSET_READ, | |
236 | &data0, &data1, &steer_ctrl); | |
237 | if (status != VXGE_HW_OK) | |
238 | return status; | |
239 | ||
240 | *major = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MAJOR(data0); | |
241 | *minor = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MINOR(data0); | |
242 | *build = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_BUILD(data0); | |
243 | ||
244 | return status; | |
245 | } | |
246 | ||
247 | enum vxge_hw_status vxge_hw_flash_fw(struct __vxge_hw_device *hldev) | |
248 | { | |
249 | u64 data0 = 0, data1 = 0, steer_ctrl = 0; | |
250 | struct __vxge_hw_virtualpath *vpath; | |
251 | enum vxge_hw_status status; | |
252 | u32 ret; | |
253 | ||
254 | vpath = &hldev->virtual_paths[hldev->first_vp_id]; | |
255 | ||
256 | status = vxge_hw_vpath_fw_api(vpath, | |
257 | VXGE_HW_FW_UPGRADE_ACTION, | |
258 | VXGE_HW_FW_UPGRADE_MEMO, | |
259 | VXGE_HW_FW_UPGRADE_OFFSET_COMMIT, | |
260 | &data0, &data1, &steer_ctrl); | |
261 | if (status != VXGE_HW_OK) { | |
262 | vxge_debug_init(VXGE_ERR, "%s: FW upgrade failed", __func__); | |
263 | goto exit; | |
264 | } | |
265 | ||
266 | ret = VXGE_HW_RTS_ACCESS_STEER_CTRL_GET_ACTION(steer_ctrl) & 0x7F; | |
267 | if (ret != 1) { | |
268 | vxge_debug_init(VXGE_ERR, "%s: FW commit failed with error %d", | |
269 | __func__, ret); | |
270 | status = VXGE_HW_FAIL; | |
271 | } | |
272 | ||
273 | exit: | |
274 | return status; | |
275 | } | |
276 | ||
277 | enum vxge_hw_status | |
278 | vxge_update_fw_image(struct __vxge_hw_device *hldev, const u8 *fwdata, int size) | |
279 | { | |
280 | u64 data0 = 0, data1 = 0, steer_ctrl = 0; | |
281 | struct __vxge_hw_virtualpath *vpath; | |
282 | enum vxge_hw_status status; | |
283 | int ret_code, sec_code; | |
284 | ||
285 | vpath = &hldev->virtual_paths[hldev->first_vp_id]; | |
286 | ||
287 | /* send upgrade start command */ | |
288 | status = vxge_hw_vpath_fw_api(vpath, | |
289 | VXGE_HW_FW_UPGRADE_ACTION, | |
290 | VXGE_HW_FW_UPGRADE_MEMO, | |
291 | VXGE_HW_FW_UPGRADE_OFFSET_START, | |
292 | &data0, &data1, &steer_ctrl); | |
293 | if (status != VXGE_HW_OK) { | |
294 | vxge_debug_init(VXGE_ERR, " %s: Upgrade start cmd failed", | |
295 | __func__); | |
296 | return status; | |
297 | } | |
298 | ||
299 | /* Transfer fw image to adapter 16 bytes at a time */ | |
300 | for (; size > 0; size -= VXGE_HW_FW_UPGRADE_BLK_SIZE) { | |
301 | steer_ctrl = 0; | |
302 | ||
303 | /* The next 128bits of fwdata to be loaded onto the adapter */ | |
304 | data0 = *((u64 *)fwdata); | |
305 | data1 = *((u64 *)fwdata + 1); | |
306 | ||
307 | status = vxge_hw_vpath_fw_api(vpath, | |
308 | VXGE_HW_FW_UPGRADE_ACTION, | |
309 | VXGE_HW_FW_UPGRADE_MEMO, | |
310 | VXGE_HW_FW_UPGRADE_OFFSET_SEND, | |
311 | &data0, &data1, &steer_ctrl); | |
312 | if (status != VXGE_HW_OK) { | |
313 | vxge_debug_init(VXGE_ERR, "%s: Upgrade send failed", | |
314 | __func__); | |
315 | goto out; | |
316 | } | |
317 | ||
318 | ret_code = VXGE_HW_UPGRADE_GET_RET_ERR_CODE(data0); | |
319 | switch (ret_code) { | |
320 | case VXGE_HW_FW_UPGRADE_OK: | |
321 | /* All OK, send next 16 bytes. */ | |
322 | break; | |
323 | case VXGE_FW_UPGRADE_BYTES2SKIP: | |
324 | /* skip bytes in the stream */ | |
325 | fwdata += (data0 >> 8) & 0xFFFFFFFF; | |
326 | break; | |
327 | case VXGE_HW_FW_UPGRADE_DONE: | |
328 | goto out; | |
329 | case VXGE_HW_FW_UPGRADE_ERR: | |
330 | sec_code = VXGE_HW_UPGRADE_GET_SEC_ERR_CODE(data0); | |
331 | switch (sec_code) { | |
332 | case VXGE_HW_FW_UPGRADE_ERR_CORRUPT_DATA_1: | |
333 | case VXGE_HW_FW_UPGRADE_ERR_CORRUPT_DATA_7: | |
334 | printk(KERN_ERR | |
335 | "corrupted data from .ncf file\n"); | |
336 | break; | |
337 | case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_3: | |
338 | case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_4: | |
339 | case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_5: | |
340 | case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_6: | |
341 | case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_8: | |
342 | printk(KERN_ERR "invalid .ncf file\n"); | |
343 | break; | |
344 | case VXGE_HW_FW_UPGRADE_ERR_BUFFER_OVERFLOW: | |
345 | printk(KERN_ERR "buffer overflow\n"); | |
346 | break; | |
347 | case VXGE_HW_FW_UPGRADE_ERR_FAILED_TO_FLASH: | |
348 | printk(KERN_ERR "failed to flash the image\n"); | |
349 | break; | |
350 | case VXGE_HW_FW_UPGRADE_ERR_GENERIC_ERROR_UNKNOWN: | |
351 | printk(KERN_ERR | |
352 | "generic error. Unknown error type\n"); | |
353 | break; | |
354 | default: | |
355 | printk(KERN_ERR "Unknown error of type %d\n", | |
356 | sec_code); | |
357 | break; | |
358 | } | |
359 | status = VXGE_HW_FAIL; | |
360 | goto out; | |
361 | default: | |
362 | printk(KERN_ERR "Unknown FW error: %d\n", ret_code); | |
363 | status = VXGE_HW_FAIL; | |
364 | goto out; | |
365 | } | |
366 | /* point to next 16 bytes */ | |
367 | fwdata += VXGE_HW_FW_UPGRADE_BLK_SIZE; | |
368 | } | |
369 | out: | |
370 | return status; | |
371 | } | |
372 | ||
373 | enum vxge_hw_status | |
374 | vxge_hw_vpath_eprom_img_ver_get(struct __vxge_hw_device *hldev, | |
375 | struct eprom_image *img) | |
376 | { | |
377 | u64 data0 = 0, data1 = 0, steer_ctrl = 0; | |
378 | struct __vxge_hw_virtualpath *vpath; | |
379 | enum vxge_hw_status status; | |
380 | int i; | |
381 | ||
382 | vpath = &hldev->virtual_paths[hldev->first_vp_id]; | |
383 | ||
384 | for (i = 0; i < VXGE_HW_MAX_ROM_IMAGES; i++) { | |
385 | data0 = VXGE_HW_RTS_ACCESS_STEER_ROM_IMAGE_INDEX(i); | |
386 | data1 = steer_ctrl = 0; | |
387 | ||
388 | status = vxge_hw_vpath_fw_api(vpath, | |
e8ac1756 | 389 | VXGE_HW_FW_API_GET_EPROM_REV, |
1d15f81c | 390 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO, |
e8ac1756 JM |
391 | 0, &data0, &data1, &steer_ctrl); |
392 | if (status != VXGE_HW_OK) | |
393 | break; | |
394 | ||
395 | img[i].is_valid = VXGE_HW_GET_EPROM_IMAGE_VALID(data0); | |
396 | img[i].index = VXGE_HW_GET_EPROM_IMAGE_INDEX(data0); | |
397 | img[i].type = VXGE_HW_GET_EPROM_IMAGE_TYPE(data0); | |
398 | img[i].version = VXGE_HW_GET_EPROM_IMAGE_REV(data0); | |
399 | } | |
400 | ||
401 | return status; | |
402 | } | |
403 | ||
40a3a915 RV |
404 | /* |
405 | * __vxge_hw_channel_free - Free memory allocated for channel | |
406 | * This function deallocates memory from the channel and various arrays | |
407 | * in the channel | |
408 | */ | |
2c91308f | 409 | static void __vxge_hw_channel_free(struct __vxge_hw_channel *channel) |
40a3a915 RV |
410 | { |
411 | kfree(channel->work_arr); | |
412 | kfree(channel->free_arr); | |
413 | kfree(channel->reserve_arr); | |
414 | kfree(channel->orig_arr); | |
415 | kfree(channel); | |
416 | } | |
417 | ||
418 | /* | |
419 | * __vxge_hw_channel_initialize - Initialize a channel | |
420 | * This function initializes a channel by properly setting the | |
421 | * various references | |
422 | */ | |
2c91308f | 423 | static enum vxge_hw_status |
40a3a915 RV |
424 | __vxge_hw_channel_initialize(struct __vxge_hw_channel *channel) |
425 | { | |
426 | u32 i; | |
427 | struct __vxge_hw_virtualpath *vpath; | |
428 | ||
429 | vpath = channel->vph->vpath; | |
430 | ||
431 | if ((channel->reserve_arr != NULL) && (channel->orig_arr != NULL)) { | |
432 | for (i = 0; i < channel->length; i++) | |
433 | channel->orig_arr[i] = channel->reserve_arr[i]; | |
434 | } | |
435 | ||
436 | switch (channel->type) { | |
437 | case VXGE_HW_CHANNEL_TYPE_FIFO: | |
438 | vpath->fifoh = (struct __vxge_hw_fifo *)channel; | |
439 | channel->stats = &((struct __vxge_hw_fifo *) | |
440 | channel)->stats->common_stats; | |
441 | break; | |
442 | case VXGE_HW_CHANNEL_TYPE_RING: | |
443 | vpath->ringh = (struct __vxge_hw_ring *)channel; | |
444 | channel->stats = &((struct __vxge_hw_ring *) | |
445 | channel)->stats->common_stats; | |
446 | break; | |
447 | default: | |
448 | break; | |
449 | } | |
450 | ||
451 | return VXGE_HW_OK; | |
452 | } | |
453 | ||
454 | /* | |
455 | * __vxge_hw_channel_reset - Resets a channel | |
456 | * This function resets a channel by properly setting the various references | |
457 | */ | |
2c91308f | 458 | static enum vxge_hw_status |
40a3a915 RV |
459 | __vxge_hw_channel_reset(struct __vxge_hw_channel *channel) |
460 | { | |
461 | u32 i; | |
462 | ||
463 | for (i = 0; i < channel->length; i++) { | |
464 | if (channel->reserve_arr != NULL) | |
465 | channel->reserve_arr[i] = channel->orig_arr[i]; | |
466 | if (channel->free_arr != NULL) | |
467 | channel->free_arr[i] = NULL; | |
468 | if (channel->work_arr != NULL) | |
469 | channel->work_arr[i] = NULL; | |
470 | } | |
471 | channel->free_ptr = channel->length; | |
472 | channel->reserve_ptr = channel->length; | |
473 | channel->reserve_top = 0; | |
474 | channel->post_index = 0; | |
475 | channel->compl_index = 0; | |
476 | ||
477 | return VXGE_HW_OK; | |
478 | } | |
479 | ||
480 | /* | |
481 | * __vxge_hw_device_pci_e_init | |
482 | * Initialize certain PCI/PCI-X configuration registers | |
483 | * with recommended values. Save config space for future hw resets. | |
484 | */ | |
2c91308f | 485 | static void __vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev) |
40a3a915 RV |
486 | { |
487 | u16 cmd = 0; | |
488 | ||
489 | /* Set the PErr Repconse bit and SERR in PCI command register. */ | |
490 | pci_read_config_word(hldev->pdev, PCI_COMMAND, &cmd); | |
491 | cmd |= 0x140; | |
492 | pci_write_config_word(hldev->pdev, PCI_COMMAND, cmd); | |
493 | ||
494 | pci_save_state(hldev->pdev); | |
40a3a915 RV |
495 | } |
496 | ||
4d2a5b40 | 497 | /* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset |
40a3a915 RV |
498 | * in progress |
499 | * This routine checks the vpath reset in progress register is turned zero | |
500 | */ | |
42821a5b | 501 | static enum vxge_hw_status |
40a3a915 RV |
502 | __vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog) |
503 | { | |
504 | enum vxge_hw_status status; | |
505 | status = __vxge_hw_device_register_poll(vpath_rst_in_prog, | |
506 | VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG(0x1ffff), | |
507 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
508 | return status; | |
509 | } | |
510 | ||
528f7272 JM |
511 | /* |
512 | * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion. | |
513 | * Set the swapper bits appropriately for the lagacy section. | |
514 | */ | |
515 | static enum vxge_hw_status | |
516 | __vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg) | |
517 | { | |
518 | u64 val64; | |
519 | enum vxge_hw_status status = VXGE_HW_OK; | |
520 | ||
521 | val64 = readq(&legacy_reg->toc_swapper_fb); | |
522 | ||
523 | wmb(); | |
524 | ||
525 | switch (val64) { | |
526 | case VXGE_HW_SWAPPER_INITIAL_VALUE: | |
527 | return status; | |
528 | ||
529 | case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED: | |
530 | writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, | |
531 | &legacy_reg->pifm_rd_swap_en); | |
532 | writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, | |
533 | &legacy_reg->pifm_rd_flip_en); | |
534 | writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, | |
535 | &legacy_reg->pifm_wr_swap_en); | |
536 | writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, | |
537 | &legacy_reg->pifm_wr_flip_en); | |
538 | break; | |
539 | ||
540 | case VXGE_HW_SWAPPER_BYTE_SWAPPED: | |
541 | writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, | |
542 | &legacy_reg->pifm_rd_swap_en); | |
543 | writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, | |
544 | &legacy_reg->pifm_wr_swap_en); | |
545 | break; | |
546 | ||
547 | case VXGE_HW_SWAPPER_BIT_FLIPPED: | |
548 | writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, | |
549 | &legacy_reg->pifm_rd_flip_en); | |
550 | writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, | |
551 | &legacy_reg->pifm_wr_flip_en); | |
552 | break; | |
553 | } | |
554 | ||
555 | wmb(); | |
556 | ||
557 | val64 = readq(&legacy_reg->toc_swapper_fb); | |
558 | ||
559 | if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE) | |
560 | status = VXGE_HW_ERR_SWAPPER_CTRL; | |
561 | ||
562 | return status; | |
563 | } | |
564 | ||
40a3a915 RV |
565 | /* |
566 | * __vxge_hw_device_toc_get | |
567 | * This routine sets the swapper and reads the toc pointer and returns the | |
568 | * memory mapped address of the toc | |
569 | */ | |
42821a5b | 570 | static struct vxge_hw_toc_reg __iomem * |
40a3a915 RV |
571 | __vxge_hw_device_toc_get(void __iomem *bar0) |
572 | { | |
573 | u64 val64; | |
574 | struct vxge_hw_toc_reg __iomem *toc = NULL; | |
575 | enum vxge_hw_status status; | |
576 | ||
577 | struct vxge_hw_legacy_reg __iomem *legacy_reg = | |
578 | (struct vxge_hw_legacy_reg __iomem *)bar0; | |
579 | ||
580 | status = __vxge_hw_legacy_swapper_set(legacy_reg); | |
581 | if (status != VXGE_HW_OK) | |
582 | goto exit; | |
583 | ||
584 | val64 = readq(&legacy_reg->toc_first_pointer); | |
43d620c8 | 585 | toc = bar0 + val64; |
40a3a915 RV |
586 | exit: |
587 | return toc; | |
588 | } | |
589 | ||
590 | /* | |
591 | * __vxge_hw_device_reg_addr_get | |
592 | * This routine sets the swapper and reads the toc pointer and initializes the | |
593 | * register location pointers in the device object. It waits until the ric is | |
594 | * completed initializing registers. | |
595 | */ | |
2c91308f | 596 | static enum vxge_hw_status |
40a3a915 RV |
597 | __vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev) |
598 | { | |
599 | u64 val64; | |
600 | u32 i; | |
601 | enum vxge_hw_status status = VXGE_HW_OK; | |
602 | ||
43d620c8 | 603 | hldev->legacy_reg = hldev->bar0; |
40a3a915 RV |
604 | |
605 | hldev->toc_reg = __vxge_hw_device_toc_get(hldev->bar0); | |
606 | if (hldev->toc_reg == NULL) { | |
607 | status = VXGE_HW_FAIL; | |
608 | goto exit; | |
609 | } | |
610 | ||
611 | val64 = readq(&hldev->toc_reg->toc_common_pointer); | |
43d620c8 | 612 | hldev->common_reg = hldev->bar0 + val64; |
40a3a915 RV |
613 | |
614 | val64 = readq(&hldev->toc_reg->toc_mrpcim_pointer); | |
43d620c8 | 615 | hldev->mrpcim_reg = hldev->bar0 + val64; |
40a3a915 RV |
616 | |
617 | for (i = 0; i < VXGE_HW_TITAN_SRPCIM_REG_SPACES; i++) { | |
618 | val64 = readq(&hldev->toc_reg->toc_srpcim_pointer[i]); | |
43d620c8 | 619 | hldev->srpcim_reg[i] = hldev->bar0 + val64; |
40a3a915 RV |
620 | } |
621 | ||
622 | for (i = 0; i < VXGE_HW_TITAN_VPMGMT_REG_SPACES; i++) { | |
623 | val64 = readq(&hldev->toc_reg->toc_vpmgmt_pointer[i]); | |
43d620c8 | 624 | hldev->vpmgmt_reg[i] = hldev->bar0 + val64; |
40a3a915 RV |
625 | } |
626 | ||
627 | for (i = 0; i < VXGE_HW_TITAN_VPATH_REG_SPACES; i++) { | |
628 | val64 = readq(&hldev->toc_reg->toc_vpath_pointer[i]); | |
43d620c8 | 629 | hldev->vpath_reg[i] = hldev->bar0 + val64; |
40a3a915 RV |
630 | } |
631 | ||
632 | val64 = readq(&hldev->toc_reg->toc_kdfc); | |
633 | ||
634 | switch (VXGE_HW_TOC_GET_KDFC_INITIAL_BIR(val64)) { | |
635 | case 0: | |
43d620c8 | 636 | hldev->kdfc = hldev->bar0 + VXGE_HW_TOC_GET_KDFC_INITIAL_OFFSET(val64) ; |
40a3a915 | 637 | break; |
40a3a915 RV |
638 | default: |
639 | break; | |
640 | } | |
641 | ||
642 | status = __vxge_hw_device_vpath_reset_in_prog_check( | |
643 | (u64 __iomem *)&hldev->common_reg->vpath_rst_in_prog); | |
644 | exit: | |
645 | return status; | |
646 | } | |
647 | ||
40a3a915 RV |
648 | /* |
649 | * __vxge_hw_device_access_rights_get: Get Access Rights of the driver | |
650 | * This routine returns the Access Rights of the driver | |
651 | */ | |
652 | static u32 | |
653 | __vxge_hw_device_access_rights_get(u32 host_type, u32 func_id) | |
654 | { | |
655 | u32 access_rights = VXGE_HW_DEVICE_ACCESS_RIGHT_VPATH; | |
656 | ||
657 | switch (host_type) { | |
658 | case VXGE_HW_NO_MR_NO_SR_NORMAL_FUNCTION: | |
1dc47a9b SH |
659 | if (func_id == 0) { |
660 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
661 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
662 | } | |
40a3a915 RV |
663 | break; |
664 | case VXGE_HW_MR_NO_SR_VH0_BASE_FUNCTION: | |
665 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
666 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
667 | break; | |
668 | case VXGE_HW_NO_MR_SR_VH0_FUNCTION0: | |
669 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
670 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
671 | break; | |
672 | case VXGE_HW_NO_MR_SR_VH0_VIRTUAL_FUNCTION: | |
673 | case VXGE_HW_SR_VH_VIRTUAL_FUNCTION: | |
674 | case VXGE_HW_MR_SR_VH0_INVALID_CONFIG: | |
675 | break; | |
676 | case VXGE_HW_SR_VH_FUNCTION0: | |
677 | case VXGE_HW_VH_NORMAL_FUNCTION: | |
678 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
679 | break; | |
680 | } | |
681 | ||
682 | return access_rights; | |
683 | } | |
92cdd7c3 SH |
684 | /* |
685 | * __vxge_hw_device_is_privilaged | |
686 | * This routine checks if the device function is privilaged or not | |
687 | */ | |
688 | ||
689 | enum vxge_hw_status | |
690 | __vxge_hw_device_is_privilaged(u32 host_type, u32 func_id) | |
691 | { | |
692 | if (__vxge_hw_device_access_rights_get(host_type, | |
693 | func_id) & | |
694 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) | |
695 | return VXGE_HW_OK; | |
696 | else | |
697 | return VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
698 | } | |
699 | ||
8424e00d JM |
700 | /* |
701 | * __vxge_hw_vpath_func_id_get - Get the function id of the vpath. | |
702 | * Returns the function number of the vpath. | |
703 | */ | |
704 | static u32 | |
705 | __vxge_hw_vpath_func_id_get(struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg) | |
706 | { | |
707 | u64 val64; | |
708 | ||
709 | val64 = readq(&vpmgmt_reg->vpath_to_func_map_cfg1); | |
710 | ||
711 | return | |
712 | (u32)VXGE_HW_VPATH_TO_FUNC_MAP_CFG1_GET_VPATH_TO_FUNC_MAP_CFG1(val64); | |
713 | } | |
714 | ||
40a3a915 RV |
715 | /* |
716 | * __vxge_hw_device_host_info_get | |
717 | * This routine returns the host type assignments | |
718 | */ | |
8424e00d | 719 | static void __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev) |
40a3a915 RV |
720 | { |
721 | u64 val64; | |
722 | u32 i; | |
723 | ||
724 | val64 = readq(&hldev->common_reg->host_type_assignments); | |
725 | ||
726 | hldev->host_type = | |
727 | (u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64); | |
728 | ||
729 | hldev->vpath_assignments = readq(&hldev->common_reg->vpath_assignments); | |
730 | ||
731 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
40a3a915 RV |
732 | if (!(hldev->vpath_assignments & vxge_mBIT(i))) |
733 | continue; | |
734 | ||
735 | hldev->func_id = | |
8424e00d | 736 | __vxge_hw_vpath_func_id_get(hldev->vpmgmt_reg[i]); |
40a3a915 RV |
737 | |
738 | hldev->access_rights = __vxge_hw_device_access_rights_get( | |
739 | hldev->host_type, hldev->func_id); | |
740 | ||
8424e00d JM |
741 | hldev->virtual_paths[i].vp_open = VXGE_HW_VP_NOT_OPEN; |
742 | hldev->virtual_paths[i].vp_reg = hldev->vpath_reg[i]; | |
743 | ||
40a3a915 RV |
744 | hldev->first_vp_id = i; |
745 | break; | |
746 | } | |
40a3a915 RV |
747 | } |
748 | ||
749 | /* | |
750 | * __vxge_hw_verify_pci_e_info - Validate the pci-e link parameters such as | |
751 | * link width and signalling rate. | |
752 | */ | |
753 | static enum vxge_hw_status | |
754 | __vxge_hw_verify_pci_e_info(struct __vxge_hw_device *hldev) | |
755 | { | |
95cab738 | 756 | struct pci_dev *dev = hldev->pdev; |
40a3a915 RV |
757 | u16 lnk; |
758 | ||
759 | /* Get the negotiated link width and speed from PCI config space */ | |
d892aa00 | 760 | pcie_capability_read_word(dev, PCI_EXP_LNKSTA, &lnk); |
40a3a915 RV |
761 | |
762 | if ((lnk & PCI_EXP_LNKSTA_CLS) != 1) | |
763 | return VXGE_HW_ERR_INVALID_PCI_INFO; | |
764 | ||
765 | switch ((lnk & PCI_EXP_LNKSTA_NLW) >> 4) { | |
766 | case PCIE_LNK_WIDTH_RESRV: | |
767 | case PCIE_LNK_X1: | |
768 | case PCIE_LNK_X2: | |
769 | case PCIE_LNK_X4: | |
770 | case PCIE_LNK_X8: | |
771 | break; | |
772 | default: | |
773 | return VXGE_HW_ERR_INVALID_PCI_INFO; | |
774 | } | |
775 | ||
776 | return VXGE_HW_OK; | |
777 | } | |
778 | ||
40a3a915 RV |
779 | /* |
780 | * __vxge_hw_device_initialize | |
781 | * Initialize Titan-V hardware. | |
782 | */ | |
2c91308f JM |
783 | static enum vxge_hw_status |
784 | __vxge_hw_device_initialize(struct __vxge_hw_device *hldev) | |
40a3a915 RV |
785 | { |
786 | enum vxge_hw_status status = VXGE_HW_OK; | |
787 | ||
92cdd7c3 SH |
788 | if (VXGE_HW_OK == __vxge_hw_device_is_privilaged(hldev->host_type, |
789 | hldev->func_id)) { | |
5dbc9011 SS |
790 | /* Validate the pci-e link width and speed */ |
791 | status = __vxge_hw_verify_pci_e_info(hldev); | |
792 | if (status != VXGE_HW_OK) | |
793 | goto exit; | |
794 | } | |
40a3a915 | 795 | |
40a3a915 RV |
796 | exit: |
797 | return status; | |
798 | } | |
799 | ||
8424e00d JM |
800 | /* |
801 | * __vxge_hw_vpath_fw_ver_get - Get the fw version | |
802 | * Returns FW Version | |
803 | */ | |
804 | static enum vxge_hw_status | |
805 | __vxge_hw_vpath_fw_ver_get(struct __vxge_hw_virtualpath *vpath, | |
806 | struct vxge_hw_device_hw_info *hw_info) | |
807 | { | |
808 | struct vxge_hw_device_version *fw_version = &hw_info->fw_version; | |
809 | struct vxge_hw_device_date *fw_date = &hw_info->fw_date; | |
810 | struct vxge_hw_device_version *flash_version = &hw_info->flash_version; | |
811 | struct vxge_hw_device_date *flash_date = &hw_info->flash_date; | |
812 | u64 data0, data1 = 0, steer_ctrl = 0; | |
813 | enum vxge_hw_status status; | |
814 | ||
815 | status = vxge_hw_vpath_fw_api(vpath, | |
816 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY, | |
817 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO, | |
818 | 0, &data0, &data1, &steer_ctrl); | |
819 | if (status != VXGE_HW_OK) | |
820 | goto exit; | |
821 | ||
822 | fw_date->day = | |
823 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_DAY(data0); | |
824 | fw_date->month = | |
825 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MONTH(data0); | |
826 | fw_date->year = | |
827 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_YEAR(data0); | |
828 | ||
829 | snprintf(fw_date->date, VXGE_HW_FW_STRLEN, "%2.2d/%2.2d/%4.4d", | |
830 | fw_date->month, fw_date->day, fw_date->year); | |
831 | ||
832 | fw_version->major = | |
833 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MAJOR(data0); | |
834 | fw_version->minor = | |
835 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MINOR(data0); | |
836 | fw_version->build = | |
837 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_BUILD(data0); | |
838 | ||
839 | snprintf(fw_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d", | |
840 | fw_version->major, fw_version->minor, fw_version->build); | |
841 | ||
842 | flash_date->day = | |
843 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_DAY(data1); | |
844 | flash_date->month = | |
845 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MONTH(data1); | |
846 | flash_date->year = | |
847 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_YEAR(data1); | |
848 | ||
849 | snprintf(flash_date->date, VXGE_HW_FW_STRLEN, "%2.2d/%2.2d/%4.4d", | |
850 | flash_date->month, flash_date->day, flash_date->year); | |
851 | ||
852 | flash_version->major = | |
853 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MAJOR(data1); | |
854 | flash_version->minor = | |
855 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MINOR(data1); | |
856 | flash_version->build = | |
857 | (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_BUILD(data1); | |
858 | ||
859 | snprintf(flash_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d", | |
860 | flash_version->major, flash_version->minor, | |
861 | flash_version->build); | |
862 | ||
863 | exit: | |
864 | return status; | |
865 | } | |
866 | ||
867 | /* | |
868 | * __vxge_hw_vpath_card_info_get - Get the serial numbers, | |
869 | * part number and product description. | |
870 | */ | |
871 | static enum vxge_hw_status | |
872 | __vxge_hw_vpath_card_info_get(struct __vxge_hw_virtualpath *vpath, | |
873 | struct vxge_hw_device_hw_info *hw_info) | |
874 | { | |
875 | enum vxge_hw_status status; | |
876 | u64 data0, data1 = 0, steer_ctrl = 0; | |
877 | u8 *serial_number = hw_info->serial_number; | |
878 | u8 *part_number = hw_info->part_number; | |
879 | u8 *product_desc = hw_info->product_desc; | |
880 | u32 i, j = 0; | |
881 | ||
882 | data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_SERIAL_NUMBER; | |
883 | ||
884 | status = vxge_hw_vpath_fw_api(vpath, | |
885 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY, | |
886 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO, | |
887 | 0, &data0, &data1, &steer_ctrl); | |
888 | if (status != VXGE_HW_OK) | |
889 | return status; | |
890 | ||
891 | ((u64 *)serial_number)[0] = be64_to_cpu(data0); | |
892 | ((u64 *)serial_number)[1] = be64_to_cpu(data1); | |
893 | ||
894 | data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PART_NUMBER; | |
895 | data1 = steer_ctrl = 0; | |
896 | ||
897 | status = vxge_hw_vpath_fw_api(vpath, | |
898 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY, | |
899 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO, | |
900 | 0, &data0, &data1, &steer_ctrl); | |
901 | if (status != VXGE_HW_OK) | |
902 | return status; | |
903 | ||
904 | ((u64 *)part_number)[0] = be64_to_cpu(data0); | |
905 | ((u64 *)part_number)[1] = be64_to_cpu(data1); | |
906 | ||
907 | for (i = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_0; | |
908 | i <= VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_3; i++) { | |
909 | data0 = i; | |
910 | data1 = steer_ctrl = 0; | |
911 | ||
912 | status = vxge_hw_vpath_fw_api(vpath, | |
913 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY, | |
914 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO, | |
915 | 0, &data0, &data1, &steer_ctrl); | |
916 | if (status != VXGE_HW_OK) | |
917 | return status; | |
918 | ||
919 | ((u64 *)product_desc)[j++] = be64_to_cpu(data0); | |
920 | ((u64 *)product_desc)[j++] = be64_to_cpu(data1); | |
921 | } | |
922 | ||
923 | return status; | |
924 | } | |
925 | ||
926 | /* | |
927 | * __vxge_hw_vpath_pci_func_mode_get - Get the pci mode | |
928 | * Returns pci function mode | |
929 | */ | |
c3150eac JM |
930 | static enum vxge_hw_status |
931 | __vxge_hw_vpath_pci_func_mode_get(struct __vxge_hw_virtualpath *vpath, | |
932 | struct vxge_hw_device_hw_info *hw_info) | |
8424e00d JM |
933 | { |
934 | u64 data0, data1 = 0, steer_ctrl = 0; | |
935 | enum vxge_hw_status status; | |
936 | ||
ca3e3b8f | 937 | data0 = 0; |
8424e00d JM |
938 | |
939 | status = vxge_hw_vpath_fw_api(vpath, | |
ca3e3b8f | 940 | VXGE_HW_FW_API_GET_FUNC_MODE, |
8424e00d JM |
941 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO, |
942 | 0, &data0, &data1, &steer_ctrl); | |
c3150eac JM |
943 | if (status != VXGE_HW_OK) |
944 | return status; | |
8424e00d | 945 | |
ca3e3b8f | 946 | hw_info->function_mode = VXGE_HW_GET_FUNC_MODE_VAL(data0); |
c3150eac | 947 | return status; |
8424e00d JM |
948 | } |
949 | ||
950 | /* | |
951 | * __vxge_hw_vpath_addr_get - Get the hw address entry for this vpath | |
952 | * from MAC address table. | |
953 | */ | |
954 | static enum vxge_hw_status | |
955 | __vxge_hw_vpath_addr_get(struct __vxge_hw_virtualpath *vpath, | |
956 | u8 *macaddr, u8 *macaddr_mask) | |
957 | { | |
958 | u64 action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_FIRST_ENTRY, | |
959 | data0 = 0, data1 = 0, steer_ctrl = 0; | |
960 | enum vxge_hw_status status; | |
961 | int i; | |
962 | ||
963 | do { | |
964 | status = vxge_hw_vpath_fw_api(vpath, action, | |
965 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA, | |
966 | 0, &data0, &data1, &steer_ctrl); | |
967 | if (status != VXGE_HW_OK) | |
968 | goto exit; | |
969 | ||
970 | data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_DA_MAC_ADDR(data0); | |
971 | data1 = VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_DA_MAC_ADDR_MASK( | |
972 | data1); | |
973 | ||
974 | for (i = ETH_ALEN; i > 0; i--) { | |
975 | macaddr[i - 1] = (u8) (data0 & 0xFF); | |
976 | data0 >>= 8; | |
977 | ||
978 | macaddr_mask[i - 1] = (u8) (data1 & 0xFF); | |
979 | data1 >>= 8; | |
980 | } | |
981 | ||
982 | action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_NEXT_ENTRY; | |
983 | data0 = 0, data1 = 0, steer_ctrl = 0; | |
984 | ||
985 | } while (!is_valid_ether_addr(macaddr)); | |
986 | exit: | |
987 | return status; | |
988 | } | |
989 | ||
40a3a915 RV |
990 | /** |
991 | * vxge_hw_device_hw_info_get - Get the hw information | |
992 | * Returns the vpath mask that has the bits set for each vpath allocated | |
9f9b1645 | 993 | * for the driver, FW version information, and the first mac address for |
40a3a915 RV |
994 | * each vpath |
995 | */ | |
996 | enum vxge_hw_status __devinit | |
997 | vxge_hw_device_hw_info_get(void __iomem *bar0, | |
998 | struct vxge_hw_device_hw_info *hw_info) | |
999 | { | |
1000 | u32 i; | |
1001 | u64 val64; | |
1002 | struct vxge_hw_toc_reg __iomem *toc; | |
1003 | struct vxge_hw_mrpcim_reg __iomem *mrpcim_reg; | |
1004 | struct vxge_hw_common_reg __iomem *common_reg; | |
40a3a915 RV |
1005 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg; |
1006 | enum vxge_hw_status status; | |
8424e00d | 1007 | struct __vxge_hw_virtualpath vpath; |
40a3a915 RV |
1008 | |
1009 | memset(hw_info, 0, sizeof(struct vxge_hw_device_hw_info)); | |
1010 | ||
1011 | toc = __vxge_hw_device_toc_get(bar0); | |
1012 | if (toc == NULL) { | |
1013 | status = VXGE_HW_ERR_CRITICAL; | |
1014 | goto exit; | |
1015 | } | |
1016 | ||
1017 | val64 = readq(&toc->toc_common_pointer); | |
43d620c8 | 1018 | common_reg = bar0 + val64; |
40a3a915 RV |
1019 | |
1020 | status = __vxge_hw_device_vpath_reset_in_prog_check( | |
1021 | (u64 __iomem *)&common_reg->vpath_rst_in_prog); | |
1022 | if (status != VXGE_HW_OK) | |
1023 | goto exit; | |
1024 | ||
1025 | hw_info->vpath_mask = readq(&common_reg->vpath_assignments); | |
1026 | ||
1027 | val64 = readq(&common_reg->host_type_assignments); | |
1028 | ||
1029 | hw_info->host_type = | |
1030 | (u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64); | |
1031 | ||
1032 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
40a3a915 RV |
1033 | if (!((hw_info->vpath_mask) & vxge_mBIT(i))) |
1034 | continue; | |
1035 | ||
1036 | val64 = readq(&toc->toc_vpmgmt_pointer[i]); | |
1037 | ||
43d620c8 | 1038 | vpmgmt_reg = bar0 + val64; |
40a3a915 | 1039 | |
8424e00d | 1040 | hw_info->func_id = __vxge_hw_vpath_func_id_get(vpmgmt_reg); |
40a3a915 RV |
1041 | if (__vxge_hw_device_access_rights_get(hw_info->host_type, |
1042 | hw_info->func_id) & | |
1043 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) { | |
1044 | ||
1045 | val64 = readq(&toc->toc_mrpcim_pointer); | |
1046 | ||
43d620c8 | 1047 | mrpcim_reg = bar0 + val64; |
40a3a915 RV |
1048 | |
1049 | writeq(0, &mrpcim_reg->xgmac_gen_fw_memo_mask); | |
1050 | wmb(); | |
1051 | } | |
1052 | ||
1053 | val64 = readq(&toc->toc_vpath_pointer[i]); | |
1054 | ||
9f9b1645 | 1055 | spin_lock_init(&vpath.lock); |
43d620c8 | 1056 | vpath.vp_reg = bar0 + val64; |
9f9b1645 | 1057 | vpath.vp_open = VXGE_HW_VP_NOT_OPEN; |
40a3a915 | 1058 | |
c3150eac JM |
1059 | status = __vxge_hw_vpath_pci_func_mode_get(&vpath, hw_info); |
1060 | if (status != VXGE_HW_OK) | |
1061 | goto exit; | |
40a3a915 | 1062 | |
8424e00d | 1063 | status = __vxge_hw_vpath_fw_ver_get(&vpath, hw_info); |
40a3a915 RV |
1064 | if (status != VXGE_HW_OK) |
1065 | goto exit; | |
1066 | ||
8424e00d | 1067 | status = __vxge_hw_vpath_card_info_get(&vpath, hw_info); |
40a3a915 RV |
1068 | if (status != VXGE_HW_OK) |
1069 | goto exit; | |
1070 | ||
1071 | break; | |
1072 | } | |
1073 | ||
1074 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
40a3a915 RV |
1075 | if (!((hw_info->vpath_mask) & vxge_mBIT(i))) |
1076 | continue; | |
1077 | ||
1078 | val64 = readq(&toc->toc_vpath_pointer[i]); | |
43d620c8 | 1079 | vpath.vp_reg = bar0 + val64; |
9f9b1645 | 1080 | vpath.vp_open = VXGE_HW_VP_NOT_OPEN; |
40a3a915 | 1081 | |
8424e00d | 1082 | status = __vxge_hw_vpath_addr_get(&vpath, |
40a3a915 RV |
1083 | hw_info->mac_addrs[i], |
1084 | hw_info->mac_addr_masks[i]); | |
1085 | if (status != VXGE_HW_OK) | |
1086 | goto exit; | |
1087 | } | |
1088 | exit: | |
1089 | return status; | |
1090 | } | |
1091 | ||
1092 | /* | |
528f7272 JM |
1093 | * __vxge_hw_blockpool_destroy - Deallocates the block pool |
1094 | */ | |
1095 | static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool) | |
1096 | { | |
1097 | struct __vxge_hw_device *hldev; | |
1098 | struct list_head *p, *n; | |
1099 | u16 ret; | |
1100 | ||
1101 | if (blockpool == NULL) { | |
1102 | ret = 1; | |
1103 | goto exit; | |
1104 | } | |
1105 | ||
1106 | hldev = blockpool->hldev; | |
1107 | ||
1108 | list_for_each_safe(p, n, &blockpool->free_block_list) { | |
1109 | pci_unmap_single(hldev->pdev, | |
1110 | ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, | |
1111 | ((struct __vxge_hw_blockpool_entry *)p)->length, | |
1112 | PCI_DMA_BIDIRECTIONAL); | |
1113 | ||
1114 | vxge_os_dma_free(hldev->pdev, | |
1115 | ((struct __vxge_hw_blockpool_entry *)p)->memblock, | |
1116 | &((struct __vxge_hw_blockpool_entry *)p)->acc_handle); | |
1117 | ||
1118 | list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); | |
1119 | kfree(p); | |
1120 | blockpool->pool_size--; | |
1121 | } | |
1122 | ||
1123 | list_for_each_safe(p, n, &blockpool->free_entry_list) { | |
1124 | list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); | |
1125 | kfree((void *)p); | |
1126 | } | |
1127 | ret = 0; | |
1128 | exit: | |
1129 | return; | |
1130 | } | |
1131 | ||
1132 | /* | |
1133 | * __vxge_hw_blockpool_create - Create block pool | |
1134 | */ | |
1135 | static enum vxge_hw_status | |
1136 | __vxge_hw_blockpool_create(struct __vxge_hw_device *hldev, | |
1137 | struct __vxge_hw_blockpool *blockpool, | |
1138 | u32 pool_size, | |
1139 | u32 pool_max) | |
1140 | { | |
1141 | u32 i; | |
1142 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
1143 | void *memblock; | |
1144 | dma_addr_t dma_addr; | |
1145 | struct pci_dev *dma_handle; | |
1146 | struct pci_dev *acc_handle; | |
1147 | enum vxge_hw_status status = VXGE_HW_OK; | |
1148 | ||
1149 | if (blockpool == NULL) { | |
1150 | status = VXGE_HW_FAIL; | |
1151 | goto blockpool_create_exit; | |
1152 | } | |
1153 | ||
1154 | blockpool->hldev = hldev; | |
1155 | blockpool->block_size = VXGE_HW_BLOCK_SIZE; | |
1156 | blockpool->pool_size = 0; | |
1157 | blockpool->pool_max = pool_max; | |
1158 | blockpool->req_out = 0; | |
1159 | ||
1160 | INIT_LIST_HEAD(&blockpool->free_block_list); | |
1161 | INIT_LIST_HEAD(&blockpool->free_entry_list); | |
1162 | ||
1163 | for (i = 0; i < pool_size + pool_max; i++) { | |
1164 | entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry), | |
1165 | GFP_KERNEL); | |
1166 | if (entry == NULL) { | |
1167 | __vxge_hw_blockpool_destroy(blockpool); | |
1168 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1169 | goto blockpool_create_exit; | |
1170 | } | |
1171 | list_add(&entry->item, &blockpool->free_entry_list); | |
1172 | } | |
1173 | ||
1174 | for (i = 0; i < pool_size; i++) { | |
1175 | memblock = vxge_os_dma_malloc( | |
1176 | hldev->pdev, | |
1177 | VXGE_HW_BLOCK_SIZE, | |
1178 | &dma_handle, | |
1179 | &acc_handle); | |
1180 | if (memblock == NULL) { | |
1181 | __vxge_hw_blockpool_destroy(blockpool); | |
1182 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1183 | goto blockpool_create_exit; | |
1184 | } | |
1185 | ||
1186 | dma_addr = pci_map_single(hldev->pdev, memblock, | |
1187 | VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL); | |
1188 | if (unlikely(pci_dma_mapping_error(hldev->pdev, | |
1189 | dma_addr))) { | |
1190 | vxge_os_dma_free(hldev->pdev, memblock, &acc_handle); | |
1191 | __vxge_hw_blockpool_destroy(blockpool); | |
1192 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1193 | goto blockpool_create_exit; | |
1194 | } | |
1195 | ||
1196 | if (!list_empty(&blockpool->free_entry_list)) | |
1197 | entry = (struct __vxge_hw_blockpool_entry *) | |
1198 | list_first_entry(&blockpool->free_entry_list, | |
1199 | struct __vxge_hw_blockpool_entry, | |
1200 | item); | |
1201 | ||
1202 | if (entry == NULL) | |
1203 | entry = | |
1204 | kzalloc(sizeof(struct __vxge_hw_blockpool_entry), | |
1205 | GFP_KERNEL); | |
1206 | if (entry != NULL) { | |
1207 | list_del(&entry->item); | |
1208 | entry->length = VXGE_HW_BLOCK_SIZE; | |
1209 | entry->memblock = memblock; | |
1210 | entry->dma_addr = dma_addr; | |
1211 | entry->acc_handle = acc_handle; | |
1212 | entry->dma_handle = dma_handle; | |
1213 | list_add(&entry->item, | |
1214 | &blockpool->free_block_list); | |
1215 | blockpool->pool_size++; | |
1216 | } else { | |
1217 | __vxge_hw_blockpool_destroy(blockpool); | |
1218 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1219 | goto blockpool_create_exit; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | blockpool_create_exit: | |
1224 | return status; | |
1225 | } | |
1226 | ||
1227 | /* | |
1228 | * __vxge_hw_device_fifo_config_check - Check fifo configuration. | |
1229 | * Check the fifo configuration | |
1230 | */ | |
1231 | static enum vxge_hw_status | |
1232 | __vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config) | |
1233 | { | |
1234 | if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) || | |
1235 | (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS)) | |
1236 | return VXGE_HW_BADCFG_FIFO_BLOCKS; | |
1237 | ||
1238 | return VXGE_HW_OK; | |
1239 | } | |
1240 | ||
1241 | /* | |
1242 | * __vxge_hw_device_vpath_config_check - Check vpath configuration. | |
1243 | * Check the vpath configuration | |
1244 | */ | |
1245 | static enum vxge_hw_status | |
1246 | __vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config) | |
1247 | { | |
1248 | enum vxge_hw_status status; | |
1249 | ||
1250 | if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) || | |
1251 | (vp_config->min_bandwidth > VXGE_HW_VPATH_BANDWIDTH_MAX)) | |
1252 | return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH; | |
1253 | ||
1254 | status = __vxge_hw_device_fifo_config_check(&vp_config->fifo); | |
1255 | if (status != VXGE_HW_OK) | |
1256 | return status; | |
1257 | ||
1258 | if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) && | |
1259 | ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) || | |
1260 | (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU))) | |
1261 | return VXGE_HW_BADCFG_VPATH_MTU; | |
1262 | ||
1263 | if ((vp_config->rpa_strip_vlan_tag != | |
1264 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) && | |
1265 | (vp_config->rpa_strip_vlan_tag != | |
1266 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) && | |
1267 | (vp_config->rpa_strip_vlan_tag != | |
1268 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE)) | |
1269 | return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG; | |
1270 | ||
1271 | return VXGE_HW_OK; | |
1272 | } | |
1273 | ||
1274 | /* | |
1275 | * __vxge_hw_device_config_check - Check device configuration. | |
1276 | * Check the device configuration | |
1277 | */ | |
1278 | static enum vxge_hw_status | |
1279 | __vxge_hw_device_config_check(struct vxge_hw_device_config *new_config) | |
1280 | { | |
1281 | u32 i; | |
1282 | enum vxge_hw_status status; | |
1283 | ||
1284 | if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) && | |
1285 | (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) && | |
1286 | (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) && | |
1287 | (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF)) | |
1288 | return VXGE_HW_BADCFG_INTR_MODE; | |
1289 | ||
1290 | if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) && | |
1291 | (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE)) | |
1292 | return VXGE_HW_BADCFG_RTS_MAC_EN; | |
1293 | ||
1294 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1295 | status = __vxge_hw_device_vpath_config_check( | |
1296 | &new_config->vp_config[i]); | |
1297 | if (status != VXGE_HW_OK) | |
1298 | return status; | |
1299 | } | |
1300 | ||
1301 | return VXGE_HW_OK; | |
1302 | } | |
1303 | ||
1304 | /* | |
1305 | * vxge_hw_device_initialize - Initialize Titan device. | |
1306 | * Initialize Titan device. Note that all the arguments of this public API | |
1307 | * are 'IN', including @hldev. Driver cooperates with | |
40a3a915 RV |
1308 | * OS to find new Titan device, locate its PCI and memory spaces. |
1309 | * | |
1310 | * When done, the driver allocates sizeof(struct __vxge_hw_device) bytes for HW | |
1311 | * to enable the latter to perform Titan hardware initialization. | |
1312 | */ | |
1313 | enum vxge_hw_status __devinit | |
1314 | vxge_hw_device_initialize( | |
1315 | struct __vxge_hw_device **devh, | |
1316 | struct vxge_hw_device_attr *attr, | |
1317 | struct vxge_hw_device_config *device_config) | |
1318 | { | |
1319 | u32 i; | |
1320 | u32 nblocks = 0; | |
1321 | struct __vxge_hw_device *hldev = NULL; | |
1322 | enum vxge_hw_status status = VXGE_HW_OK; | |
1323 | ||
1324 | status = __vxge_hw_device_config_check(device_config); | |
1325 | if (status != VXGE_HW_OK) | |
1326 | goto exit; | |
1327 | ||
e80be0b0 | 1328 | hldev = vzalloc(sizeof(struct __vxge_hw_device)); |
40a3a915 RV |
1329 | if (hldev == NULL) { |
1330 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1331 | goto exit; | |
1332 | } | |
1333 | ||
40a3a915 RV |
1334 | hldev->magic = VXGE_HW_DEVICE_MAGIC; |
1335 | ||
1336 | vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_ALL); | |
1337 | ||
1338 | /* apply config */ | |
1339 | memcpy(&hldev->config, device_config, | |
1340 | sizeof(struct vxge_hw_device_config)); | |
1341 | ||
1342 | hldev->bar0 = attr->bar0; | |
40a3a915 RV |
1343 | hldev->pdev = attr->pdev; |
1344 | ||
956a2066 | 1345 | hldev->uld_callbacks = attr->uld_callbacks; |
40a3a915 RV |
1346 | |
1347 | __vxge_hw_device_pci_e_init(hldev); | |
1348 | ||
1349 | status = __vxge_hw_device_reg_addr_get(hldev); | |
aaffbd9f SH |
1350 | if (status != VXGE_HW_OK) { |
1351 | vfree(hldev); | |
40a3a915 | 1352 | goto exit; |
aaffbd9f | 1353 | } |
40a3a915 RV |
1354 | |
1355 | __vxge_hw_device_host_info_get(hldev); | |
1356 | ||
1357 | /* Incrementing for stats blocks */ | |
1358 | nblocks++; | |
1359 | ||
1360 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
40a3a915 RV |
1361 | if (!(hldev->vpath_assignments & vxge_mBIT(i))) |
1362 | continue; | |
1363 | ||
1364 | if (device_config->vp_config[i].ring.enable == | |
1365 | VXGE_HW_RING_ENABLE) | |
1366 | nblocks += device_config->vp_config[i].ring.ring_blocks; | |
1367 | ||
1368 | if (device_config->vp_config[i].fifo.enable == | |
1369 | VXGE_HW_FIFO_ENABLE) | |
1370 | nblocks += device_config->vp_config[i].fifo.fifo_blocks; | |
1371 | nblocks++; | |
1372 | } | |
1373 | ||
1374 | if (__vxge_hw_blockpool_create(hldev, | |
1375 | &hldev->block_pool, | |
1376 | device_config->dma_blockpool_initial + nblocks, | |
1377 | device_config->dma_blockpool_max + nblocks) != VXGE_HW_OK) { | |
1378 | ||
1379 | vxge_hw_device_terminate(hldev); | |
1380 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1381 | goto exit; | |
1382 | } | |
1383 | ||
1384 | status = __vxge_hw_device_initialize(hldev); | |
40a3a915 RV |
1385 | if (status != VXGE_HW_OK) { |
1386 | vxge_hw_device_terminate(hldev); | |
1387 | goto exit; | |
1388 | } | |
1389 | ||
1390 | *devh = hldev; | |
1391 | exit: | |
1392 | return status; | |
1393 | } | |
1394 | ||
1395 | /* | |
1396 | * vxge_hw_device_terminate - Terminate Titan device. | |
1397 | * Terminate HW device. | |
1398 | */ | |
1399 | void | |
1400 | vxge_hw_device_terminate(struct __vxge_hw_device *hldev) | |
1401 | { | |
1402 | vxge_assert(hldev->magic == VXGE_HW_DEVICE_MAGIC); | |
1403 | ||
1404 | hldev->magic = VXGE_HW_DEVICE_DEAD; | |
1405 | __vxge_hw_blockpool_destroy(&hldev->block_pool); | |
1406 | vfree(hldev); | |
1407 | } | |
1408 | ||
1409 | /* | |
528f7272 JM |
1410 | * __vxge_hw_vpath_stats_access - Get the statistics from the given location |
1411 | * and offset and perform an operation | |
40a3a915 | 1412 | */ |
528f7272 JM |
1413 | static enum vxge_hw_status |
1414 | __vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath, | |
1415 | u32 operation, u32 offset, u64 *stat) | |
40a3a915 | 1416 | { |
528f7272 | 1417 | u64 val64; |
40a3a915 | 1418 | enum vxge_hw_status status = VXGE_HW_OK; |
528f7272 | 1419 | struct vxge_hw_vpath_reg __iomem *vp_reg; |
40a3a915 | 1420 | |
528f7272 JM |
1421 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { |
1422 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
1423 | goto vpath_stats_access_exit; | |
1424 | } | |
40a3a915 | 1425 | |
528f7272 | 1426 | vp_reg = vpath->vp_reg; |
40a3a915 | 1427 | |
528f7272 JM |
1428 | val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) | |
1429 | VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE | | |
1430 | VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset); | |
40a3a915 | 1431 | |
528f7272 JM |
1432 | status = __vxge_hw_pio_mem_write64(val64, |
1433 | &vp_reg->xmac_stats_access_cmd, | |
1434 | VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE, | |
1435 | vpath->hldev->config.device_poll_millis); | |
1436 | if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) | |
1437 | *stat = readq(&vp_reg->xmac_stats_access_data); | |
1438 | else | |
1439 | *stat = 0; | |
40a3a915 | 1440 | |
528f7272 | 1441 | vpath_stats_access_exit: |
40a3a915 RV |
1442 | return status; |
1443 | } | |
1444 | ||
1445 | /* | |
528f7272 JM |
1446 | * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath |
1447 | */ | |
1448 | static enum vxge_hw_status | |
1449 | __vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath, | |
1450 | struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats) | |
1451 | { | |
1452 | u64 *val64; | |
1453 | int i; | |
1454 | u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET; | |
1455 | enum vxge_hw_status status = VXGE_HW_OK; | |
1456 | ||
1457 | val64 = (u64 *)vpath_tx_stats; | |
1458 | ||
1459 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
1460 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
1461 | goto exit; | |
1462 | } | |
1463 | ||
1464 | for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) { | |
1465 | status = __vxge_hw_vpath_stats_access(vpath, | |
1466 | VXGE_HW_STATS_OP_READ, | |
1467 | offset, val64); | |
1468 | if (status != VXGE_HW_OK) | |
1469 | goto exit; | |
1470 | offset++; | |
1471 | val64++; | |
1472 | } | |
1473 | exit: | |
1474 | return status; | |
1475 | } | |
1476 | ||
1477 | /* | |
1478 | * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath | |
1479 | */ | |
1480 | static enum vxge_hw_status | |
1481 | __vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath, | |
1482 | struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats) | |
1483 | { | |
1484 | u64 *val64; | |
1485 | enum vxge_hw_status status = VXGE_HW_OK; | |
1486 | int i; | |
1487 | u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET; | |
1488 | val64 = (u64 *) vpath_rx_stats; | |
1489 | ||
1490 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
1491 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
1492 | goto exit; | |
1493 | } | |
1494 | for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) { | |
1495 | status = __vxge_hw_vpath_stats_access(vpath, | |
1496 | VXGE_HW_STATS_OP_READ, | |
1497 | offset >> 3, val64); | |
1498 | if (status != VXGE_HW_OK) | |
1499 | goto exit; | |
1500 | ||
1501 | offset += 8; | |
1502 | val64++; | |
1503 | } | |
1504 | exit: | |
1505 | return status; | |
1506 | } | |
1507 | ||
1508 | /* | |
1509 | * __vxge_hw_vpath_stats_get - Get the vpath hw statistics. | |
1510 | */ | |
1511 | static enum vxge_hw_status | |
1512 | __vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath, | |
1513 | struct vxge_hw_vpath_stats_hw_info *hw_stats) | |
1514 | { | |
1515 | u64 val64; | |
1516 | enum vxge_hw_status status = VXGE_HW_OK; | |
1517 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
1518 | ||
1519 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
1520 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
1521 | goto exit; | |
1522 | } | |
1523 | vp_reg = vpath->vp_reg; | |
1524 | ||
1525 | val64 = readq(&vp_reg->vpath_debug_stats0); | |
1526 | hw_stats->ini_num_mwr_sent = | |
1527 | (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64); | |
1528 | ||
1529 | val64 = readq(&vp_reg->vpath_debug_stats1); | |
1530 | hw_stats->ini_num_mrd_sent = | |
1531 | (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64); | |
1532 | ||
1533 | val64 = readq(&vp_reg->vpath_debug_stats2); | |
1534 | hw_stats->ini_num_cpl_rcvd = | |
1535 | (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64); | |
1536 | ||
1537 | val64 = readq(&vp_reg->vpath_debug_stats3); | |
1538 | hw_stats->ini_num_mwr_byte_sent = | |
1539 | VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64); | |
1540 | ||
1541 | val64 = readq(&vp_reg->vpath_debug_stats4); | |
1542 | hw_stats->ini_num_cpl_byte_rcvd = | |
1543 | VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64); | |
1544 | ||
1545 | val64 = readq(&vp_reg->vpath_debug_stats5); | |
1546 | hw_stats->wrcrdtarb_xoff = | |
1547 | (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64); | |
1548 | ||
1549 | val64 = readq(&vp_reg->vpath_debug_stats6); | |
1550 | hw_stats->rdcrdtarb_xoff = | |
1551 | (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64); | |
1552 | ||
1553 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
1554 | hw_stats->vpath_genstats_count0 = | |
1555 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0( | |
1556 | val64); | |
1557 | ||
1558 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
1559 | hw_stats->vpath_genstats_count1 = | |
1560 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1( | |
1561 | val64); | |
1562 | ||
1563 | val64 = readq(&vp_reg->vpath_genstats_count23); | |
1564 | hw_stats->vpath_genstats_count2 = | |
1565 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2( | |
1566 | val64); | |
1567 | ||
1568 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
1569 | hw_stats->vpath_genstats_count3 = | |
1570 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3( | |
1571 | val64); | |
1572 | ||
1573 | val64 = readq(&vp_reg->vpath_genstats_count4); | |
1574 | hw_stats->vpath_genstats_count4 = | |
1575 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4( | |
1576 | val64); | |
1577 | ||
1578 | val64 = readq(&vp_reg->vpath_genstats_count5); | |
1579 | hw_stats->vpath_genstats_count5 = | |
1580 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5( | |
1581 | val64); | |
1582 | ||
1583 | status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats); | |
1584 | if (status != VXGE_HW_OK) | |
1585 | goto exit; | |
1586 | ||
1587 | status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats); | |
1588 | if (status != VXGE_HW_OK) | |
1589 | goto exit; | |
1590 | ||
1591 | VXGE_HW_VPATH_STATS_PIO_READ( | |
1592 | VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET); | |
1593 | ||
1594 | hw_stats->prog_event_vnum0 = | |
1595 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64); | |
1596 | ||
1597 | hw_stats->prog_event_vnum1 = | |
1598 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64); | |
1599 | ||
1600 | VXGE_HW_VPATH_STATS_PIO_READ( | |
1601 | VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET); | |
1602 | ||
1603 | hw_stats->prog_event_vnum2 = | |
1604 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64); | |
1605 | ||
1606 | hw_stats->prog_event_vnum3 = | |
1607 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64); | |
1608 | ||
1609 | val64 = readq(&vp_reg->rx_multi_cast_stats); | |
1610 | hw_stats->rx_multi_cast_frame_discard = | |
1611 | (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64); | |
1612 | ||
1613 | val64 = readq(&vp_reg->rx_frm_transferred); | |
1614 | hw_stats->rx_frm_transferred = | |
1615 | (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64); | |
1616 | ||
1617 | val64 = readq(&vp_reg->rxd_returned); | |
1618 | hw_stats->rxd_returned = | |
1619 | (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64); | |
1620 | ||
1621 | val64 = readq(&vp_reg->dbg_stats_rx_mpa); | |
1622 | hw_stats->rx_mpa_len_fail_frms = | |
1623 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64); | |
1624 | hw_stats->rx_mpa_mrk_fail_frms = | |
1625 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64); | |
1626 | hw_stats->rx_mpa_crc_fail_frms = | |
1627 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64); | |
1628 | ||
1629 | val64 = readq(&vp_reg->dbg_stats_rx_fau); | |
1630 | hw_stats->rx_permitted_frms = | |
1631 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64); | |
1632 | hw_stats->rx_vp_reset_discarded_frms = | |
1633 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64); | |
1634 | hw_stats->rx_wol_frms = | |
1635 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64); | |
1636 | ||
1637 | val64 = readq(&vp_reg->tx_vp_reset_discarded_frms); | |
1638 | hw_stats->tx_vp_reset_discarded_frms = | |
1639 | (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS( | |
1640 | val64); | |
1641 | exit: | |
1642 | return status; | |
1643 | } | |
1644 | ||
1645 | /* | |
1646 | * vxge_hw_device_stats_get - Get the device hw statistics. | |
1647 | * Returns the vpath h/w stats for the device. | |
1648 | */ | |
1649 | enum vxge_hw_status | |
1650 | vxge_hw_device_stats_get(struct __vxge_hw_device *hldev, | |
1651 | struct vxge_hw_device_stats_hw_info *hw_stats) | |
1652 | { | |
1653 | u32 i; | |
1654 | enum vxge_hw_status status = VXGE_HW_OK; | |
1655 | ||
1656 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1657 | if (!(hldev->vpaths_deployed & vxge_mBIT(i)) || | |
1658 | (hldev->virtual_paths[i].vp_open == | |
1659 | VXGE_HW_VP_NOT_OPEN)) | |
1660 | continue; | |
1661 | ||
1662 | memcpy(hldev->virtual_paths[i].hw_stats_sav, | |
1663 | hldev->virtual_paths[i].hw_stats, | |
1664 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
1665 | ||
1666 | status = __vxge_hw_vpath_stats_get( | |
1667 | &hldev->virtual_paths[i], | |
1668 | hldev->virtual_paths[i].hw_stats); | |
1669 | } | |
1670 | ||
1671 | memcpy(hw_stats, &hldev->stats.hw_dev_info_stats, | |
1672 | sizeof(struct vxge_hw_device_stats_hw_info)); | |
1673 | ||
1674 | return status; | |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * vxge_hw_driver_stats_get - Get the device sw statistics. | |
1679 | * Returns the vpath s/w stats for the device. | |
40a3a915 RV |
1680 | */ |
1681 | enum vxge_hw_status vxge_hw_driver_stats_get( | |
1682 | struct __vxge_hw_device *hldev, | |
1683 | struct vxge_hw_device_stats_sw_info *sw_stats) | |
1684 | { | |
1685 | enum vxge_hw_status status = VXGE_HW_OK; | |
1686 | ||
1687 | memcpy(sw_stats, &hldev->stats.sw_dev_info_stats, | |
1688 | sizeof(struct vxge_hw_device_stats_sw_info)); | |
1689 | ||
1690 | return status; | |
1691 | } | |
1692 | ||
1693 | /* | |
1694 | * vxge_hw_mrpcim_stats_access - Access the statistics from the given location | |
1695 | * and offset and perform an operation | |
1696 | * Get the statistics from the given location and offset. | |
1697 | */ | |
1698 | enum vxge_hw_status | |
1699 | vxge_hw_mrpcim_stats_access(struct __vxge_hw_device *hldev, | |
1700 | u32 operation, u32 location, u32 offset, u64 *stat) | |
1701 | { | |
1702 | u64 val64; | |
1703 | enum vxge_hw_status status = VXGE_HW_OK; | |
1704 | ||
92cdd7c3 SH |
1705 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
1706 | hldev->func_id); | |
40a3a915 RV |
1707 | if (status != VXGE_HW_OK) |
1708 | goto exit; | |
1709 | ||
1710 | val64 = VXGE_HW_XMAC_STATS_SYS_CMD_OP(operation) | | |
1711 | VXGE_HW_XMAC_STATS_SYS_CMD_STROBE | | |
1712 | VXGE_HW_XMAC_STATS_SYS_CMD_LOC_SEL(location) | | |
1713 | VXGE_HW_XMAC_STATS_SYS_CMD_OFFSET_SEL(offset); | |
1714 | ||
1715 | status = __vxge_hw_pio_mem_write64(val64, | |
1716 | &hldev->mrpcim_reg->xmac_stats_sys_cmd, | |
1717 | VXGE_HW_XMAC_STATS_SYS_CMD_STROBE, | |
1718 | hldev->config.device_poll_millis); | |
1719 | ||
1720 | if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) | |
1721 | *stat = readq(&hldev->mrpcim_reg->xmac_stats_sys_data); | |
1722 | else | |
1723 | *stat = 0; | |
1724 | exit: | |
1725 | return status; | |
1726 | } | |
1727 | ||
1728 | /* | |
1729 | * vxge_hw_device_xmac_aggr_stats_get - Get the Statistics on aggregate port | |
1730 | * Get the Statistics on aggregate port | |
1731 | */ | |
42821a5b | 1732 | static enum vxge_hw_status |
40a3a915 RV |
1733 | vxge_hw_device_xmac_aggr_stats_get(struct __vxge_hw_device *hldev, u32 port, |
1734 | struct vxge_hw_xmac_aggr_stats *aggr_stats) | |
1735 | { | |
1736 | u64 *val64; | |
1737 | int i; | |
1738 | u32 offset = VXGE_HW_STATS_AGGRn_OFFSET; | |
1739 | enum vxge_hw_status status = VXGE_HW_OK; | |
1740 | ||
1741 | val64 = (u64 *)aggr_stats; | |
1742 | ||
92cdd7c3 SH |
1743 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
1744 | hldev->func_id); | |
40a3a915 RV |
1745 | if (status != VXGE_HW_OK) |
1746 | goto exit; | |
1747 | ||
1748 | for (i = 0; i < sizeof(struct vxge_hw_xmac_aggr_stats) / 8; i++) { | |
1749 | status = vxge_hw_mrpcim_stats_access(hldev, | |
1750 | VXGE_HW_STATS_OP_READ, | |
1751 | VXGE_HW_STATS_LOC_AGGR, | |
1752 | ((offset + (104 * port)) >> 3), val64); | |
1753 | if (status != VXGE_HW_OK) | |
1754 | goto exit; | |
1755 | ||
1756 | offset += 8; | |
1757 | val64++; | |
1758 | } | |
1759 | exit: | |
1760 | return status; | |
1761 | } | |
1762 | ||
1763 | /* | |
1764 | * vxge_hw_device_xmac_port_stats_get - Get the Statistics on a port | |
1765 | * Get the Statistics on port | |
1766 | */ | |
42821a5b | 1767 | static enum vxge_hw_status |
40a3a915 RV |
1768 | vxge_hw_device_xmac_port_stats_get(struct __vxge_hw_device *hldev, u32 port, |
1769 | struct vxge_hw_xmac_port_stats *port_stats) | |
1770 | { | |
1771 | u64 *val64; | |
1772 | enum vxge_hw_status status = VXGE_HW_OK; | |
1773 | int i; | |
1774 | u32 offset = 0x0; | |
1775 | val64 = (u64 *) port_stats; | |
1776 | ||
92cdd7c3 SH |
1777 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
1778 | hldev->func_id); | |
40a3a915 RV |
1779 | if (status != VXGE_HW_OK) |
1780 | goto exit; | |
1781 | ||
1782 | for (i = 0; i < sizeof(struct vxge_hw_xmac_port_stats) / 8; i++) { | |
1783 | status = vxge_hw_mrpcim_stats_access(hldev, | |
1784 | VXGE_HW_STATS_OP_READ, | |
1785 | VXGE_HW_STATS_LOC_AGGR, | |
1786 | ((offset + (608 * port)) >> 3), val64); | |
1787 | if (status != VXGE_HW_OK) | |
1788 | goto exit; | |
1789 | ||
1790 | offset += 8; | |
1791 | val64++; | |
1792 | } | |
1793 | ||
1794 | exit: | |
1795 | return status; | |
1796 | } | |
1797 | ||
1798 | /* | |
1799 | * vxge_hw_device_xmac_stats_get - Get the XMAC Statistics | |
1800 | * Get the XMAC Statistics | |
1801 | */ | |
1802 | enum vxge_hw_status | |
1803 | vxge_hw_device_xmac_stats_get(struct __vxge_hw_device *hldev, | |
1804 | struct vxge_hw_xmac_stats *xmac_stats) | |
1805 | { | |
1806 | enum vxge_hw_status status = VXGE_HW_OK; | |
1807 | u32 i; | |
1808 | ||
1809 | status = vxge_hw_device_xmac_aggr_stats_get(hldev, | |
1810 | 0, &xmac_stats->aggr_stats[0]); | |
40a3a915 RV |
1811 | if (status != VXGE_HW_OK) |
1812 | goto exit; | |
1813 | ||
1814 | status = vxge_hw_device_xmac_aggr_stats_get(hldev, | |
1815 | 1, &xmac_stats->aggr_stats[1]); | |
1816 | if (status != VXGE_HW_OK) | |
1817 | goto exit; | |
1818 | ||
1819 | for (i = 0; i <= VXGE_HW_MAC_MAX_MAC_PORT_ID; i++) { | |
1820 | ||
1821 | status = vxge_hw_device_xmac_port_stats_get(hldev, | |
1822 | i, &xmac_stats->port_stats[i]); | |
1823 | if (status != VXGE_HW_OK) | |
1824 | goto exit; | |
1825 | } | |
1826 | ||
1827 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1828 | ||
1829 | if (!(hldev->vpaths_deployed & vxge_mBIT(i))) | |
1830 | continue; | |
1831 | ||
1832 | status = __vxge_hw_vpath_xmac_tx_stats_get( | |
1833 | &hldev->virtual_paths[i], | |
1834 | &xmac_stats->vpath_tx_stats[i]); | |
1835 | if (status != VXGE_HW_OK) | |
1836 | goto exit; | |
1837 | ||
1838 | status = __vxge_hw_vpath_xmac_rx_stats_get( | |
1839 | &hldev->virtual_paths[i], | |
1840 | &xmac_stats->vpath_rx_stats[i]); | |
1841 | if (status != VXGE_HW_OK) | |
1842 | goto exit; | |
1843 | } | |
1844 | exit: | |
1845 | return status; | |
1846 | } | |
1847 | ||
1848 | /* | |
1849 | * vxge_hw_device_debug_set - Set the debug module, level and timestamp | |
1850 | * This routine is used to dynamically change the debug output | |
1851 | */ | |
1852 | void vxge_hw_device_debug_set(struct __vxge_hw_device *hldev, | |
1853 | enum vxge_debug_level level, u32 mask) | |
1854 | { | |
1855 | if (hldev == NULL) | |
1856 | return; | |
1857 | ||
1858 | #if defined(VXGE_DEBUG_TRACE_MASK) || \ | |
1859 | defined(VXGE_DEBUG_ERR_MASK) | |
1860 | hldev->debug_module_mask = mask; | |
1861 | hldev->debug_level = level; | |
1862 | #endif | |
1863 | ||
1864 | #if defined(VXGE_DEBUG_ERR_MASK) | |
1865 | hldev->level_err = level & VXGE_ERR; | |
1866 | #endif | |
1867 | ||
1868 | #if defined(VXGE_DEBUG_TRACE_MASK) | |
1869 | hldev->level_trace = level & VXGE_TRACE; | |
1870 | #endif | |
1871 | } | |
1872 | ||
1873 | /* | |
1874 | * vxge_hw_device_error_level_get - Get the error level | |
1875 | * This routine returns the current error level set | |
1876 | */ | |
1877 | u32 vxge_hw_device_error_level_get(struct __vxge_hw_device *hldev) | |
1878 | { | |
1879 | #if defined(VXGE_DEBUG_ERR_MASK) | |
1880 | if (hldev == NULL) | |
1881 | return VXGE_ERR; | |
1882 | else | |
1883 | return hldev->level_err; | |
1884 | #else | |
1885 | return 0; | |
1886 | #endif | |
1887 | } | |
1888 | ||
1889 | /* | |
1890 | * vxge_hw_device_trace_level_get - Get the trace level | |
1891 | * This routine returns the current trace level set | |
1892 | */ | |
1893 | u32 vxge_hw_device_trace_level_get(struct __vxge_hw_device *hldev) | |
1894 | { | |
1895 | #if defined(VXGE_DEBUG_TRACE_MASK) | |
1896 | if (hldev == NULL) | |
1897 | return VXGE_TRACE; | |
1898 | else | |
1899 | return hldev->level_trace; | |
1900 | #else | |
1901 | return 0; | |
1902 | #endif | |
1903 | } | |
40a3a915 RV |
1904 | |
1905 | /* | |
1906 | * vxge_hw_getpause_data -Pause frame frame generation and reception. | |
1907 | * Returns the Pause frame generation and reception capability of the NIC. | |
1908 | */ | |
1909 | enum vxge_hw_status vxge_hw_device_getpause_data(struct __vxge_hw_device *hldev, | |
1910 | u32 port, u32 *tx, u32 *rx) | |
1911 | { | |
1912 | u64 val64; | |
1913 | enum vxge_hw_status status = VXGE_HW_OK; | |
1914 | ||
1915 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
1916 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
1917 | goto exit; | |
1918 | } | |
1919 | ||
1920 | if (port > VXGE_HW_MAC_MAX_MAC_PORT_ID) { | |
1921 | status = VXGE_HW_ERR_INVALID_PORT; | |
1922 | goto exit; | |
1923 | } | |
1924 | ||
1925 | if (!(hldev->access_rights & VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
1926 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
1927 | goto exit; | |
1928 | } | |
1929 | ||
1930 | val64 = readq(&hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1931 | if (val64 & VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN) | |
1932 | *tx = 1; | |
1933 | if (val64 & VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN) | |
1934 | *rx = 1; | |
1935 | exit: | |
1936 | return status; | |
1937 | } | |
1938 | ||
1939 | /* | |
1940 | * vxge_hw_device_setpause_data - set/reset pause frame generation. | |
1941 | * It can be used to set or reset Pause frame generation or reception | |
1942 | * support of the NIC. | |
1943 | */ | |
40a3a915 RV |
1944 | enum vxge_hw_status vxge_hw_device_setpause_data(struct __vxge_hw_device *hldev, |
1945 | u32 port, u32 tx, u32 rx) | |
1946 | { | |
1947 | u64 val64; | |
1948 | enum vxge_hw_status status = VXGE_HW_OK; | |
1949 | ||
1950 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
1951 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
1952 | goto exit; | |
1953 | } | |
1954 | ||
1955 | if (port > VXGE_HW_MAC_MAX_MAC_PORT_ID) { | |
1956 | status = VXGE_HW_ERR_INVALID_PORT; | |
1957 | goto exit; | |
1958 | } | |
1959 | ||
92cdd7c3 SH |
1960 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
1961 | hldev->func_id); | |
40a3a915 RV |
1962 | if (status != VXGE_HW_OK) |
1963 | goto exit; | |
1964 | ||
1965 | val64 = readq(&hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1966 | if (tx) | |
1967 | val64 |= VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN; | |
1968 | else | |
1969 | val64 &= ~VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN; | |
1970 | if (rx) | |
1971 | val64 |= VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN; | |
1972 | else | |
1973 | val64 &= ~VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN; | |
1974 | ||
1975 | writeq(val64, &hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1976 | exit: | |
1977 | return status; | |
1978 | } | |
1979 | ||
1980 | u16 vxge_hw_device_link_width_get(struct __vxge_hw_device *hldev) | |
1981 | { | |
95cab738 | 1982 | struct pci_dev *dev = hldev->pdev; |
40a3a915 RV |
1983 | u16 lnk; |
1984 | ||
d892aa00 | 1985 | pcie_capability_read_word(dev, PCI_EXP_LNKSTA, &lnk); |
95cab738 | 1986 | return (lnk & VXGE_HW_PCI_EXP_LNKCAP_LNK_WIDTH) >> 4; |
40a3a915 RV |
1987 | } |
1988 | ||
1989 | /* | |
1990 | * __vxge_hw_ring_block_memblock_idx - Return the memblock index | |
1991 | * This function returns the index of memory block | |
1992 | */ | |
1993 | static inline u32 | |
1994 | __vxge_hw_ring_block_memblock_idx(u8 *block) | |
1995 | { | |
1996 | return (u32)*((u64 *)(block + VXGE_HW_RING_MEMBLOCK_IDX_OFFSET)); | |
1997 | } | |
1998 | ||
1999 | /* | |
2000 | * __vxge_hw_ring_block_memblock_idx_set - Sets the memblock index | |
2001 | * This function sets index to a memory block | |
2002 | */ | |
2003 | static inline void | |
2004 | __vxge_hw_ring_block_memblock_idx_set(u8 *block, u32 memblock_idx) | |
2005 | { | |
2006 | *((u64 *)(block + VXGE_HW_RING_MEMBLOCK_IDX_OFFSET)) = memblock_idx; | |
2007 | } | |
2008 | ||
2009 | /* | |
2010 | * __vxge_hw_ring_block_next_pointer_set - Sets the next block pointer | |
2011 | * in RxD block | |
2012 | * Sets the next block pointer in RxD block | |
2013 | */ | |
2014 | static inline void | |
2015 | __vxge_hw_ring_block_next_pointer_set(u8 *block, dma_addr_t dma_next) | |
2016 | { | |
2017 | *((u64 *)(block + VXGE_HW_RING_NEXT_BLOCK_POINTER_OFFSET)) = dma_next; | |
2018 | } | |
2019 | ||
2020 | /* | |
2021 | * __vxge_hw_ring_first_block_address_get - Returns the dma address of the | |
2022 | * first block | |
2023 | * Returns the dma address of the first RxD block | |
2024 | */ | |
42821a5b | 2025 | static u64 __vxge_hw_ring_first_block_address_get(struct __vxge_hw_ring *ring) |
40a3a915 RV |
2026 | { |
2027 | struct vxge_hw_mempool_dma *dma_object; | |
2028 | ||
2029 | dma_object = ring->mempool->memblocks_dma_arr; | |
2030 | vxge_assert(dma_object != NULL); | |
2031 | ||
2032 | return dma_object->addr; | |
2033 | } | |
2034 | ||
2035 | /* | |
2036 | * __vxge_hw_ring_item_dma_addr - Return the dma address of an item | |
2037 | * This function returns the dma address of a given item | |
2038 | */ | |
2039 | static dma_addr_t __vxge_hw_ring_item_dma_addr(struct vxge_hw_mempool *mempoolh, | |
2040 | void *item) | |
2041 | { | |
2042 | u32 memblock_idx; | |
2043 | void *memblock; | |
2044 | struct vxge_hw_mempool_dma *memblock_dma_object; | |
2045 | ptrdiff_t dma_item_offset; | |
2046 | ||
2047 | /* get owner memblock index */ | |
2048 | memblock_idx = __vxge_hw_ring_block_memblock_idx(item); | |
2049 | ||
2050 | /* get owner memblock by memblock index */ | |
2051 | memblock = mempoolh->memblocks_arr[memblock_idx]; | |
2052 | ||
2053 | /* get memblock DMA object by memblock index */ | |
2054 | memblock_dma_object = mempoolh->memblocks_dma_arr + memblock_idx; | |
2055 | ||
2056 | /* calculate offset in the memblock of this item */ | |
2057 | dma_item_offset = (u8 *)item - (u8 *)memblock; | |
2058 | ||
2059 | return memblock_dma_object->addr + dma_item_offset; | |
2060 | } | |
2061 | ||
2062 | /* | |
2063 | * __vxge_hw_ring_rxdblock_link - Link the RxD blocks | |
2064 | * This function returns the dma address of a given item | |
2065 | */ | |
2066 | static void __vxge_hw_ring_rxdblock_link(struct vxge_hw_mempool *mempoolh, | |
2067 | struct __vxge_hw_ring *ring, u32 from, | |
2068 | u32 to) | |
2069 | { | |
2070 | u8 *to_item , *from_item; | |
2071 | dma_addr_t to_dma; | |
2072 | ||
2073 | /* get "from" RxD block */ | |
2074 | from_item = mempoolh->items_arr[from]; | |
2075 | vxge_assert(from_item); | |
2076 | ||
2077 | /* get "to" RxD block */ | |
2078 | to_item = mempoolh->items_arr[to]; | |
2079 | vxge_assert(to_item); | |
2080 | ||
2081 | /* return address of the beginning of previous RxD block */ | |
2082 | to_dma = __vxge_hw_ring_item_dma_addr(mempoolh, to_item); | |
2083 | ||
2084 | /* set next pointer for this RxD block to point on | |
2085 | * previous item's DMA start address */ | |
2086 | __vxge_hw_ring_block_next_pointer_set(from_item, to_dma); | |
2087 | } | |
2088 | ||
2089 | /* | |
2090 | * __vxge_hw_ring_mempool_item_alloc - Allocate List blocks for RxD | |
2091 | * block callback | |
2092 | * This function is callback passed to __vxge_hw_mempool_create to create memory | |
2093 | * pool for RxD block | |
2094 | */ | |
2095 | static void | |
2096 | __vxge_hw_ring_mempool_item_alloc(struct vxge_hw_mempool *mempoolh, | |
2097 | u32 memblock_index, | |
2098 | struct vxge_hw_mempool_dma *dma_object, | |
2099 | u32 index, u32 is_last) | |
2100 | { | |
2101 | u32 i; | |
2102 | void *item = mempoolh->items_arr[index]; | |
2103 | struct __vxge_hw_ring *ring = | |
2104 | (struct __vxge_hw_ring *)mempoolh->userdata; | |
2105 | ||
2106 | /* format rxds array */ | |
2107 | for (i = 0; i < ring->rxds_per_block; i++) { | |
2108 | void *rxdblock_priv; | |
2109 | void *uld_priv; | |
2110 | struct vxge_hw_ring_rxd_1 *rxdp; | |
2111 | ||
2112 | u32 reserve_index = ring->channel.reserve_ptr - | |
2113 | (index * ring->rxds_per_block + i + 1); | |
2114 | u32 memblock_item_idx; | |
2115 | ||
2116 | ring->channel.reserve_arr[reserve_index] = ((u8 *)item) + | |
2117 | i * ring->rxd_size; | |
2118 | ||
2119 | /* Note: memblock_item_idx is index of the item within | |
2120 | * the memblock. For instance, in case of three RxD-blocks | |
2121 | * per memblock this value can be 0, 1 or 2. */ | |
2122 | rxdblock_priv = __vxge_hw_mempool_item_priv(mempoolh, | |
2123 | memblock_index, item, | |
2124 | &memblock_item_idx); | |
2125 | ||
43d620c8 | 2126 | rxdp = ring->channel.reserve_arr[reserve_index]; |
40a3a915 RV |
2127 | |
2128 | uld_priv = ((u8 *)rxdblock_priv + ring->rxd_priv_size * i); | |
2129 | ||
2130 | /* pre-format Host_Control */ | |
2131 | rxdp->host_control = (u64)(size_t)uld_priv; | |
2132 | } | |
2133 | ||
2134 | __vxge_hw_ring_block_memblock_idx_set(item, memblock_index); | |
2135 | ||
2136 | if (is_last) { | |
2137 | /* link last one with first one */ | |
2138 | __vxge_hw_ring_rxdblock_link(mempoolh, ring, index, 0); | |
2139 | } | |
2140 | ||
2141 | if (index > 0) { | |
2142 | /* link this RxD block with previous one */ | |
2143 | __vxge_hw_ring_rxdblock_link(mempoolh, ring, index - 1, index); | |
2144 | } | |
40a3a915 RV |
2145 | } |
2146 | ||
2147 | /* | |
3363276f | 2148 | * __vxge_hw_ring_replenish - Initial replenish of RxDs |
40a3a915 RV |
2149 | * This function replenishes the RxDs from reserve array to work array |
2150 | */ | |
2151 | enum vxge_hw_status | |
3363276f | 2152 | vxge_hw_ring_replenish(struct __vxge_hw_ring *ring) |
40a3a915 RV |
2153 | { |
2154 | void *rxd; | |
40a3a915 RV |
2155 | struct __vxge_hw_channel *channel; |
2156 | enum vxge_hw_status status = VXGE_HW_OK; | |
2157 | ||
2158 | channel = &ring->channel; | |
2159 | ||
2160 | while (vxge_hw_channel_dtr_count(channel) > 0) { | |
2161 | ||
2162 | status = vxge_hw_ring_rxd_reserve(ring, &rxd); | |
2163 | ||
2164 | vxge_assert(status == VXGE_HW_OK); | |
2165 | ||
2166 | if (ring->rxd_init) { | |
2167 | status = ring->rxd_init(rxd, channel->userdata); | |
2168 | if (status != VXGE_HW_OK) { | |
2169 | vxge_hw_ring_rxd_free(ring, rxd); | |
2170 | goto exit; | |
2171 | } | |
2172 | } | |
2173 | ||
2174 | vxge_hw_ring_rxd_post(ring, rxd); | |
40a3a915 RV |
2175 | } |
2176 | status = VXGE_HW_OK; | |
2177 | exit: | |
2178 | return status; | |
2179 | } | |
2180 | ||
2181 | /* | |
528f7272 JM |
2182 | * __vxge_hw_channel_allocate - Allocate memory for channel |
2183 | * This function allocates required memory for the channel and various arrays | |
2184 | * in the channel | |
40a3a915 | 2185 | */ |
528f7272 JM |
2186 | static struct __vxge_hw_channel * |
2187 | __vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph, | |
2188 | enum __vxge_hw_channel_type type, | |
2189 | u32 length, u32 per_dtr_space, | |
2190 | void *userdata) | |
40a3a915 | 2191 | { |
528f7272 | 2192 | struct __vxge_hw_channel *channel; |
40a3a915 | 2193 | struct __vxge_hw_device *hldev; |
528f7272 | 2194 | int size = 0; |
40a3a915 | 2195 | u32 vp_id; |
40a3a915 | 2196 | |
528f7272 JM |
2197 | hldev = vph->vpath->hldev; |
2198 | vp_id = vph->vpath->vp_id; | |
40a3a915 | 2199 | |
528f7272 JM |
2200 | switch (type) { |
2201 | case VXGE_HW_CHANNEL_TYPE_FIFO: | |
2202 | size = sizeof(struct __vxge_hw_fifo); | |
2203 | break; | |
2204 | case VXGE_HW_CHANNEL_TYPE_RING: | |
2205 | size = sizeof(struct __vxge_hw_ring); | |
2206 | break; | |
2207 | default: | |
2208 | break; | |
40a3a915 RV |
2209 | } |
2210 | ||
528f7272 JM |
2211 | channel = kzalloc(size, GFP_KERNEL); |
2212 | if (channel == NULL) | |
2213 | goto exit0; | |
2214 | INIT_LIST_HEAD(&channel->item); | |
40a3a915 | 2215 | |
528f7272 JM |
2216 | channel->common_reg = hldev->common_reg; |
2217 | channel->first_vp_id = hldev->first_vp_id; | |
2218 | channel->type = type; | |
2219 | channel->devh = hldev; | |
2220 | channel->vph = vph; | |
2221 | channel->userdata = userdata; | |
2222 | channel->per_dtr_space = per_dtr_space; | |
2223 | channel->length = length; | |
2224 | channel->vp_id = vp_id; | |
40a3a915 | 2225 | |
528f7272 JM |
2226 | channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); |
2227 | if (channel->work_arr == NULL) | |
2228 | goto exit1; | |
40a3a915 | 2229 | |
528f7272 JM |
2230 | channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); |
2231 | if (channel->free_arr == NULL) | |
2232 | goto exit1; | |
2233 | channel->free_ptr = length; | |
40a3a915 | 2234 | |
528f7272 JM |
2235 | channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); |
2236 | if (channel->reserve_arr == NULL) | |
2237 | goto exit1; | |
2238 | channel->reserve_ptr = length; | |
2239 | channel->reserve_top = 0; | |
40a3a915 | 2240 | |
528f7272 JM |
2241 | channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); |
2242 | if (channel->orig_arr == NULL) | |
2243 | goto exit1; | |
40a3a915 | 2244 | |
528f7272 JM |
2245 | return channel; |
2246 | exit1: | |
2247 | __vxge_hw_channel_free(channel); | |
40a3a915 | 2248 | |
528f7272 JM |
2249 | exit0: |
2250 | return NULL; | |
40a3a915 RV |
2251 | } |
2252 | ||
2253 | /* | |
528f7272 JM |
2254 | * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async |
2255 | * Adds a block to block pool | |
40a3a915 | 2256 | */ |
528f7272 JM |
2257 | static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, |
2258 | void *block_addr, | |
2259 | u32 length, | |
2260 | struct pci_dev *dma_h, | |
2261 | struct pci_dev *acc_handle) | |
40a3a915 | 2262 | { |
528f7272 JM |
2263 | struct __vxge_hw_blockpool *blockpool; |
2264 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
2265 | dma_addr_t dma_addr; | |
2266 | enum vxge_hw_status status = VXGE_HW_OK; | |
2267 | u32 req_out; | |
40a3a915 | 2268 | |
528f7272 | 2269 | blockpool = &devh->block_pool; |
40a3a915 | 2270 | |
528f7272 JM |
2271 | if (block_addr == NULL) { |
2272 | blockpool->req_out--; | |
2273 | status = VXGE_HW_FAIL; | |
2274 | goto exit; | |
2275 | } | |
40a3a915 | 2276 | |
528f7272 JM |
2277 | dma_addr = pci_map_single(devh->pdev, block_addr, length, |
2278 | PCI_DMA_BIDIRECTIONAL); | |
40a3a915 | 2279 | |
528f7272 JM |
2280 | if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) { |
2281 | vxge_os_dma_free(devh->pdev, block_addr, &acc_handle); | |
2282 | blockpool->req_out--; | |
2283 | status = VXGE_HW_FAIL; | |
2284 | goto exit; | |
2285 | } | |
40a3a915 | 2286 | |
528f7272 JM |
2287 | if (!list_empty(&blockpool->free_entry_list)) |
2288 | entry = (struct __vxge_hw_blockpool_entry *) | |
2289 | list_first_entry(&blockpool->free_entry_list, | |
2290 | struct __vxge_hw_blockpool_entry, | |
2291 | item); | |
40a3a915 | 2292 | |
528f7272 JM |
2293 | if (entry == NULL) |
2294 | entry = vmalloc(sizeof(struct __vxge_hw_blockpool_entry)); | |
2295 | else | |
2296 | list_del(&entry->item); | |
40a3a915 | 2297 | |
528f7272 JM |
2298 | if (entry != NULL) { |
2299 | entry->length = length; | |
2300 | entry->memblock = block_addr; | |
2301 | entry->dma_addr = dma_addr; | |
2302 | entry->acc_handle = acc_handle; | |
2303 | entry->dma_handle = dma_h; | |
2304 | list_add(&entry->item, &blockpool->free_block_list); | |
2305 | blockpool->pool_size++; | |
2306 | status = VXGE_HW_OK; | |
2307 | } else | |
2308 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
40a3a915 | 2309 | |
528f7272 | 2310 | blockpool->req_out--; |
40a3a915 | 2311 | |
528f7272 JM |
2312 | req_out = blockpool->req_out; |
2313 | exit: | |
2314 | return; | |
2315 | } | |
40a3a915 | 2316 | |
528f7272 JM |
2317 | static inline void |
2318 | vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh, unsigned long size) | |
2319 | { | |
2320 | gfp_t flags; | |
2321 | void *vaddr; | |
40a3a915 | 2322 | |
528f7272 JM |
2323 | if (in_interrupt()) |
2324 | flags = GFP_ATOMIC | GFP_DMA; | |
2325 | else | |
2326 | flags = GFP_KERNEL | GFP_DMA; | |
40a3a915 | 2327 | |
528f7272 | 2328 | vaddr = kmalloc((size), flags); |
40a3a915 | 2329 | |
528f7272 | 2330 | vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev); |
40a3a915 RV |
2331 | } |
2332 | ||
2333 | /* | |
528f7272 | 2334 | * __vxge_hw_blockpool_blocks_add - Request additional blocks |
40a3a915 | 2335 | */ |
528f7272 JM |
2336 | static |
2337 | void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool) | |
40a3a915 | 2338 | { |
528f7272 | 2339 | u32 nreq = 0, i; |
40a3a915 | 2340 | |
528f7272 JM |
2341 | if ((blockpool->pool_size + blockpool->req_out) < |
2342 | VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) { | |
2343 | nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE; | |
2344 | blockpool->req_out += nreq; | |
2345 | } | |
40a3a915 | 2346 | |
528f7272 JM |
2347 | for (i = 0; i < nreq; i++) |
2348 | vxge_os_dma_malloc_async( | |
64699336 | 2349 | (blockpool->hldev)->pdev, |
528f7272 | 2350 | blockpool->hldev, VXGE_HW_BLOCK_SIZE); |
40a3a915 RV |
2351 | } |
2352 | ||
2353 | /* | |
528f7272 JM |
2354 | * __vxge_hw_blockpool_malloc - Allocate a memory block from pool |
2355 | * Allocates a block of memory of given size, either from block pool | |
2356 | * or by calling vxge_os_dma_malloc() | |
40a3a915 | 2357 | */ |
528f7272 JM |
2358 | static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, |
2359 | struct vxge_hw_mempool_dma *dma_object) | |
40a3a915 | 2360 | { |
528f7272 JM |
2361 | struct __vxge_hw_blockpool_entry *entry = NULL; |
2362 | struct __vxge_hw_blockpool *blockpool; | |
2363 | void *memblock = NULL; | |
40a3a915 RV |
2364 | enum vxge_hw_status status = VXGE_HW_OK; |
2365 | ||
528f7272 JM |
2366 | blockpool = &devh->block_pool; |
2367 | ||
2368 | if (size != blockpool->block_size) { | |
2369 | ||
2370 | memblock = vxge_os_dma_malloc(devh->pdev, size, | |
2371 | &dma_object->handle, | |
2372 | &dma_object->acc_handle); | |
2373 | ||
2374 | if (memblock == NULL) { | |
2375 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2376 | goto exit; | |
2377 | } | |
2378 | ||
2379 | dma_object->addr = pci_map_single(devh->pdev, memblock, size, | |
2380 | PCI_DMA_BIDIRECTIONAL); | |
2381 | ||
2382 | if (unlikely(pci_dma_mapping_error(devh->pdev, | |
2383 | dma_object->addr))) { | |
2384 | vxge_os_dma_free(devh->pdev, memblock, | |
2385 | &dma_object->acc_handle); | |
2386 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2387 | goto exit; | |
2388 | } | |
2389 | ||
2390 | } else { | |
2391 | ||
2392 | if (!list_empty(&blockpool->free_block_list)) | |
2393 | entry = (struct __vxge_hw_blockpool_entry *) | |
2394 | list_first_entry(&blockpool->free_block_list, | |
2395 | struct __vxge_hw_blockpool_entry, | |
2396 | item); | |
2397 | ||
2398 | if (entry != NULL) { | |
2399 | list_del(&entry->item); | |
2400 | dma_object->addr = entry->dma_addr; | |
2401 | dma_object->handle = entry->dma_handle; | |
2402 | dma_object->acc_handle = entry->acc_handle; | |
2403 | memblock = entry->memblock; | |
2404 | ||
2405 | list_add(&entry->item, | |
2406 | &blockpool->free_entry_list); | |
2407 | blockpool->pool_size--; | |
2408 | } | |
2409 | ||
2410 | if (memblock != NULL) | |
2411 | __vxge_hw_blockpool_blocks_add(blockpool); | |
2412 | } | |
2413 | exit: | |
2414 | return memblock; | |
2415 | } | |
2416 | ||
2417 | /* | |
2418 | * __vxge_hw_blockpool_blocks_remove - Free additional blocks | |
2419 | */ | |
2420 | static void | |
2421 | __vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool) | |
2422 | { | |
2423 | struct list_head *p, *n; | |
2424 | ||
2425 | list_for_each_safe(p, n, &blockpool->free_block_list) { | |
2426 | ||
2427 | if (blockpool->pool_size < blockpool->pool_max) | |
2428 | break; | |
2429 | ||
2430 | pci_unmap_single( | |
64699336 | 2431 | (blockpool->hldev)->pdev, |
528f7272 JM |
2432 | ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, |
2433 | ((struct __vxge_hw_blockpool_entry *)p)->length, | |
2434 | PCI_DMA_BIDIRECTIONAL); | |
2435 | ||
2436 | vxge_os_dma_free( | |
64699336 | 2437 | (blockpool->hldev)->pdev, |
528f7272 JM |
2438 | ((struct __vxge_hw_blockpool_entry *)p)->memblock, |
2439 | &((struct __vxge_hw_blockpool_entry *)p)->acc_handle); | |
2440 | ||
2441 | list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); | |
2442 | ||
2443 | list_add(p, &blockpool->free_entry_list); | |
2444 | ||
2445 | blockpool->pool_size--; | |
2446 | ||
2447 | } | |
2448 | } | |
2449 | ||
2450 | /* | |
2451 | * __vxge_hw_blockpool_free - Frees the memory allcoated with | |
2452 | * __vxge_hw_blockpool_malloc | |
2453 | */ | |
2454 | static void __vxge_hw_blockpool_free(struct __vxge_hw_device *devh, | |
2455 | void *memblock, u32 size, | |
2456 | struct vxge_hw_mempool_dma *dma_object) | |
2457 | { | |
2458 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
2459 | struct __vxge_hw_blockpool *blockpool; | |
2460 | enum vxge_hw_status status = VXGE_HW_OK; | |
2461 | ||
2462 | blockpool = &devh->block_pool; | |
2463 | ||
2464 | if (size != blockpool->block_size) { | |
2465 | pci_unmap_single(devh->pdev, dma_object->addr, size, | |
2466 | PCI_DMA_BIDIRECTIONAL); | |
2467 | vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle); | |
2468 | } else { | |
2469 | ||
2470 | if (!list_empty(&blockpool->free_entry_list)) | |
2471 | entry = (struct __vxge_hw_blockpool_entry *) | |
2472 | list_first_entry(&blockpool->free_entry_list, | |
2473 | struct __vxge_hw_blockpool_entry, | |
2474 | item); | |
2475 | ||
2476 | if (entry == NULL) | |
2477 | entry = vmalloc(sizeof( | |
2478 | struct __vxge_hw_blockpool_entry)); | |
2479 | else | |
2480 | list_del(&entry->item); | |
2481 | ||
2482 | if (entry != NULL) { | |
2483 | entry->length = size; | |
2484 | entry->memblock = memblock; | |
2485 | entry->dma_addr = dma_object->addr; | |
2486 | entry->acc_handle = dma_object->acc_handle; | |
2487 | entry->dma_handle = dma_object->handle; | |
2488 | list_add(&entry->item, | |
2489 | &blockpool->free_block_list); | |
2490 | blockpool->pool_size++; | |
2491 | status = VXGE_HW_OK; | |
2492 | } else | |
2493 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2494 | ||
2495 | if (status == VXGE_HW_OK) | |
2496 | __vxge_hw_blockpool_blocks_remove(blockpool); | |
2497 | } | |
2498 | } | |
2499 | ||
2500 | /* | |
2501 | * vxge_hw_mempool_destroy | |
2502 | */ | |
2503 | static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool) | |
2504 | { | |
2505 | u32 i, j; | |
2506 | struct __vxge_hw_device *devh = mempool->devh; | |
2507 | ||
2508 | for (i = 0; i < mempool->memblocks_allocated; i++) { | |
2509 | struct vxge_hw_mempool_dma *dma_object; | |
2510 | ||
2511 | vxge_assert(mempool->memblocks_arr[i]); | |
2512 | vxge_assert(mempool->memblocks_dma_arr + i); | |
2513 | ||
2514 | dma_object = mempool->memblocks_dma_arr + i; | |
2515 | ||
2516 | for (j = 0; j < mempool->items_per_memblock; j++) { | |
2517 | u32 index = i * mempool->items_per_memblock + j; | |
2518 | ||
2519 | /* to skip last partially filled(if any) memblock */ | |
2520 | if (index >= mempool->items_current) | |
2521 | break; | |
2522 | } | |
2523 | ||
2524 | vfree(mempool->memblocks_priv_arr[i]); | |
2525 | ||
2526 | __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i], | |
2527 | mempool->memblock_size, dma_object); | |
2528 | } | |
2529 | ||
2530 | vfree(mempool->items_arr); | |
2531 | vfree(mempool->memblocks_dma_arr); | |
2532 | vfree(mempool->memblocks_priv_arr); | |
2533 | vfree(mempool->memblocks_arr); | |
2534 | vfree(mempool); | |
2535 | } | |
2536 | ||
2537 | /* | |
2538 | * __vxge_hw_mempool_grow | |
2539 | * Will resize mempool up to %num_allocate value. | |
2540 | */ | |
2541 | static enum vxge_hw_status | |
2542 | __vxge_hw_mempool_grow(struct vxge_hw_mempool *mempool, u32 num_allocate, | |
2543 | u32 *num_allocated) | |
2544 | { | |
2545 | u32 i, first_time = mempool->memblocks_allocated == 0 ? 1 : 0; | |
2546 | u32 n_items = mempool->items_per_memblock; | |
2547 | u32 start_block_idx = mempool->memblocks_allocated; | |
2548 | u32 end_block_idx = mempool->memblocks_allocated + num_allocate; | |
2549 | enum vxge_hw_status status = VXGE_HW_OK; | |
2550 | ||
2551 | *num_allocated = 0; | |
40a3a915 RV |
2552 | |
2553 | if (end_block_idx > mempool->memblocks_max) { | |
2554 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2555 | goto exit; | |
2556 | } | |
2557 | ||
2558 | for (i = start_block_idx; i < end_block_idx; i++) { | |
2559 | u32 j; | |
2560 | u32 is_last = ((end_block_idx - 1) == i); | |
2561 | struct vxge_hw_mempool_dma *dma_object = | |
2562 | mempool->memblocks_dma_arr + i; | |
2563 | void *the_memblock; | |
2564 | ||
2565 | /* allocate memblock's private part. Each DMA memblock | |
2566 | * has a space allocated for item's private usage upon | |
2567 | * mempool's user request. Each time mempool grows, it will | |
2568 | * allocate new memblock and its private part at once. | |
2569 | * This helps to minimize memory usage a lot. */ | |
2570 | mempool->memblocks_priv_arr[i] = | |
89bf67f1 | 2571 | vzalloc(mempool->items_priv_size * n_items); |
40a3a915 RV |
2572 | if (mempool->memblocks_priv_arr[i] == NULL) { |
2573 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2574 | goto exit; | |
2575 | } | |
2576 | ||
40a3a915 RV |
2577 | /* allocate DMA-capable memblock */ |
2578 | mempool->memblocks_arr[i] = | |
2579 | __vxge_hw_blockpool_malloc(mempool->devh, | |
2580 | mempool->memblock_size, dma_object); | |
2581 | if (mempool->memblocks_arr[i] == NULL) { | |
2582 | vfree(mempool->memblocks_priv_arr[i]); | |
2583 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2584 | goto exit; | |
2585 | } | |
2586 | ||
2587 | (*num_allocated)++; | |
2588 | mempool->memblocks_allocated++; | |
2589 | ||
2590 | memset(mempool->memblocks_arr[i], 0, mempool->memblock_size); | |
2591 | ||
2592 | the_memblock = mempool->memblocks_arr[i]; | |
2593 | ||
2594 | /* fill the items hash array */ | |
2595 | for (j = 0; j < n_items; j++) { | |
2596 | u32 index = i * n_items + j; | |
2597 | ||
2598 | if (first_time && index >= mempool->items_initial) | |
2599 | break; | |
2600 | ||
2601 | mempool->items_arr[index] = | |
2602 | ((char *)the_memblock + j*mempool->item_size); | |
2603 | ||
2604 | /* let caller to do more job on each item */ | |
2605 | if (mempool->item_func_alloc != NULL) | |
2606 | mempool->item_func_alloc(mempool, i, | |
2607 | dma_object, index, is_last); | |
2608 | ||
2609 | mempool->items_current = index + 1; | |
2610 | } | |
2611 | ||
2612 | if (first_time && mempool->items_current == | |
2613 | mempool->items_initial) | |
2614 | break; | |
2615 | } | |
2616 | exit: | |
2617 | return status; | |
2618 | } | |
2619 | ||
2620 | /* | |
2621 | * vxge_hw_mempool_create | |
2622 | * This function will create memory pool object. Pool may grow but will | |
2623 | * never shrink. Pool consists of number of dynamically allocated blocks | |
2624 | * with size enough to hold %items_initial number of items. Memory is | |
2625 | * DMA-able but client must map/unmap before interoperating with the device. | |
2626 | */ | |
528f7272 JM |
2627 | static struct vxge_hw_mempool * |
2628 | __vxge_hw_mempool_create(struct __vxge_hw_device *devh, | |
2629 | u32 memblock_size, | |
2630 | u32 item_size, | |
2631 | u32 items_priv_size, | |
2632 | u32 items_initial, | |
2633 | u32 items_max, | |
956a2066 | 2634 | const struct vxge_hw_mempool_cbs *mp_callback, |
528f7272 | 2635 | void *userdata) |
40a3a915 RV |
2636 | { |
2637 | enum vxge_hw_status status = VXGE_HW_OK; | |
2638 | u32 memblocks_to_allocate; | |
2639 | struct vxge_hw_mempool *mempool = NULL; | |
2640 | u32 allocated; | |
2641 | ||
2642 | if (memblock_size < item_size) { | |
2643 | status = VXGE_HW_FAIL; | |
2644 | goto exit; | |
2645 | } | |
2646 | ||
e80be0b0 | 2647 | mempool = vzalloc(sizeof(struct vxge_hw_mempool)); |
40a3a915 RV |
2648 | if (mempool == NULL) { |
2649 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2650 | goto exit; | |
2651 | } | |
40a3a915 RV |
2652 | |
2653 | mempool->devh = devh; | |
2654 | mempool->memblock_size = memblock_size; | |
2655 | mempool->items_max = items_max; | |
2656 | mempool->items_initial = items_initial; | |
2657 | mempool->item_size = item_size; | |
2658 | mempool->items_priv_size = items_priv_size; | |
2659 | mempool->item_func_alloc = mp_callback->item_func_alloc; | |
2660 | mempool->userdata = userdata; | |
2661 | ||
2662 | mempool->memblocks_allocated = 0; | |
2663 | ||
2664 | mempool->items_per_memblock = memblock_size / item_size; | |
2665 | ||
2666 | mempool->memblocks_max = (items_max + mempool->items_per_memblock - 1) / | |
2667 | mempool->items_per_memblock; | |
2668 | ||
2669 | /* allocate array of memblocks */ | |
2670 | mempool->memblocks_arr = | |
e80be0b0 | 2671 | vzalloc(sizeof(void *) * mempool->memblocks_max); |
40a3a915 RV |
2672 | if (mempool->memblocks_arr == NULL) { |
2673 | __vxge_hw_mempool_destroy(mempool); | |
2674 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2675 | mempool = NULL; | |
2676 | goto exit; | |
2677 | } | |
40a3a915 RV |
2678 | |
2679 | /* allocate array of private parts of items per memblocks */ | |
2680 | mempool->memblocks_priv_arr = | |
e80be0b0 | 2681 | vzalloc(sizeof(void *) * mempool->memblocks_max); |
40a3a915 RV |
2682 | if (mempool->memblocks_priv_arr == NULL) { |
2683 | __vxge_hw_mempool_destroy(mempool); | |
2684 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2685 | mempool = NULL; | |
2686 | goto exit; | |
2687 | } | |
40a3a915 RV |
2688 | |
2689 | /* allocate array of memblocks DMA objects */ | |
e80be0b0 | 2690 | mempool->memblocks_dma_arr = |
89bf67f1 | 2691 | vzalloc(sizeof(struct vxge_hw_mempool_dma) * |
40a3a915 | 2692 | mempool->memblocks_max); |
40a3a915 RV |
2693 | if (mempool->memblocks_dma_arr == NULL) { |
2694 | __vxge_hw_mempool_destroy(mempool); | |
2695 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2696 | mempool = NULL; | |
2697 | goto exit; | |
2698 | } | |
40a3a915 RV |
2699 | |
2700 | /* allocate hash array of items */ | |
e80be0b0 | 2701 | mempool->items_arr = vzalloc(sizeof(void *) * mempool->items_max); |
40a3a915 RV |
2702 | if (mempool->items_arr == NULL) { |
2703 | __vxge_hw_mempool_destroy(mempool); | |
2704 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2705 | mempool = NULL; | |
2706 | goto exit; | |
2707 | } | |
40a3a915 RV |
2708 | |
2709 | /* calculate initial number of memblocks */ | |
2710 | memblocks_to_allocate = (mempool->items_initial + | |
2711 | mempool->items_per_memblock - 1) / | |
2712 | mempool->items_per_memblock; | |
2713 | ||
2714 | /* pre-allocate the mempool */ | |
2715 | status = __vxge_hw_mempool_grow(mempool, memblocks_to_allocate, | |
2716 | &allocated); | |
2717 | if (status != VXGE_HW_OK) { | |
2718 | __vxge_hw_mempool_destroy(mempool); | |
2719 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2720 | mempool = NULL; | |
2721 | goto exit; | |
2722 | } | |
2723 | ||
2724 | exit: | |
2725 | return mempool; | |
2726 | } | |
2727 | ||
2728 | /* | |
528f7272 JM |
2729 | * __vxge_hw_ring_abort - Returns the RxD |
2730 | * This function terminates the RxDs of ring | |
40a3a915 | 2731 | */ |
528f7272 | 2732 | static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring) |
40a3a915 | 2733 | { |
528f7272 JM |
2734 | void *rxdh; |
2735 | struct __vxge_hw_channel *channel; | |
40a3a915 | 2736 | |
528f7272 | 2737 | channel = &ring->channel; |
40a3a915 | 2738 | |
528f7272 JM |
2739 | for (;;) { |
2740 | vxge_hw_channel_dtr_try_complete(channel, &rxdh); | |
40a3a915 | 2741 | |
528f7272 JM |
2742 | if (rxdh == NULL) |
2743 | break; | |
40a3a915 | 2744 | |
528f7272 | 2745 | vxge_hw_channel_dtr_complete(channel); |
40a3a915 | 2746 | |
528f7272 JM |
2747 | if (ring->rxd_term) |
2748 | ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED, | |
2749 | channel->userdata); | |
40a3a915 | 2750 | |
528f7272 | 2751 | vxge_hw_channel_dtr_free(channel, rxdh); |
40a3a915 RV |
2752 | } |
2753 | ||
528f7272 JM |
2754 | return VXGE_HW_OK; |
2755 | } | |
40a3a915 | 2756 | |
528f7272 JM |
2757 | /* |
2758 | * __vxge_hw_ring_reset - Resets the ring | |
2759 | * This function resets the ring during vpath reset operation | |
2760 | */ | |
2761 | static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring) | |
2762 | { | |
2763 | enum vxge_hw_status status = VXGE_HW_OK; | |
2764 | struct __vxge_hw_channel *channel; | |
40a3a915 | 2765 | |
528f7272 | 2766 | channel = &ring->channel; |
40a3a915 | 2767 | |
528f7272 | 2768 | __vxge_hw_ring_abort(ring); |
40a3a915 | 2769 | |
528f7272 JM |
2770 | status = __vxge_hw_channel_reset(channel); |
2771 | ||
2772 | if (status != VXGE_HW_OK) | |
2773 | goto exit; | |
2774 | ||
2775 | if (ring->rxd_init) { | |
2776 | status = vxge_hw_ring_replenish(ring); | |
2777 | if (status != VXGE_HW_OK) | |
2778 | goto exit; | |
2779 | } | |
2780 | exit: | |
2781 | return status; | |
40a3a915 RV |
2782 | } |
2783 | ||
2784 | /* | |
528f7272 JM |
2785 | * __vxge_hw_ring_delete - Removes the ring |
2786 | * This function freeup the memory pool and removes the ring | |
40a3a915 | 2787 | */ |
2c91308f | 2788 | static enum vxge_hw_status |
528f7272 | 2789 | __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp) |
40a3a915 | 2790 | { |
528f7272 | 2791 | struct __vxge_hw_ring *ring = vp->vpath->ringh; |
40a3a915 | 2792 | |
528f7272 | 2793 | __vxge_hw_ring_abort(ring); |
40a3a915 | 2794 | |
528f7272 JM |
2795 | if (ring->mempool) |
2796 | __vxge_hw_mempool_destroy(ring->mempool); | |
40a3a915 | 2797 | |
528f7272 JM |
2798 | vp->vpath->ringh = NULL; |
2799 | __vxge_hw_channel_free(&ring->channel); | |
40a3a915 RV |
2800 | |
2801 | return VXGE_HW_OK; | |
2802 | } | |
2803 | ||
2804 | /* | |
528f7272 JM |
2805 | * __vxge_hw_ring_create - Create a Ring |
2806 | * This function creates Ring and initializes it. | |
40a3a915 | 2807 | */ |
2c91308f | 2808 | static enum vxge_hw_status |
528f7272 JM |
2809 | __vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp, |
2810 | struct vxge_hw_ring_attr *attr) | |
40a3a915 | 2811 | { |
528f7272 JM |
2812 | enum vxge_hw_status status = VXGE_HW_OK; |
2813 | struct __vxge_hw_ring *ring; | |
2814 | u32 ring_length; | |
2815 | struct vxge_hw_ring_config *config; | |
2816 | struct __vxge_hw_device *hldev; | |
2817 | u32 vp_id; | |
956a2066 | 2818 | static const struct vxge_hw_mempool_cbs ring_mp_callback = { |
2819 | .item_func_alloc = __vxge_hw_ring_mempool_item_alloc, | |
2820 | }; | |
40a3a915 | 2821 | |
528f7272 JM |
2822 | if ((vp == NULL) || (attr == NULL)) { |
2823 | status = VXGE_HW_FAIL; | |
2824 | goto exit; | |
2825 | } | |
40a3a915 | 2826 | |
528f7272 JM |
2827 | hldev = vp->vpath->hldev; |
2828 | vp_id = vp->vpath->vp_id; | |
40a3a915 | 2829 | |
528f7272 JM |
2830 | config = &hldev->config.vp_config[vp_id].ring; |
2831 | ||
2832 | ring_length = config->ring_blocks * | |
2833 | vxge_hw_ring_rxds_per_block_get(config->buffer_mode); | |
2834 | ||
2835 | ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp, | |
2836 | VXGE_HW_CHANNEL_TYPE_RING, | |
2837 | ring_length, | |
2838 | attr->per_rxd_space, | |
2839 | attr->userdata); | |
2840 | if (ring == NULL) { | |
2841 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2842 | goto exit; | |
40a3a915 RV |
2843 | } |
2844 | ||
528f7272 JM |
2845 | vp->vpath->ringh = ring; |
2846 | ring->vp_id = vp_id; | |
2847 | ring->vp_reg = vp->vpath->vp_reg; | |
2848 | ring->common_reg = hldev->common_reg; | |
2849 | ring->stats = &vp->vpath->sw_stats->ring_stats; | |
2850 | ring->config = config; | |
2851 | ring->callback = attr->callback; | |
2852 | ring->rxd_init = attr->rxd_init; | |
2853 | ring->rxd_term = attr->rxd_term; | |
2854 | ring->buffer_mode = config->buffer_mode; | |
16fded7d JM |
2855 | ring->tim_rti_cfg1_saved = vp->vpath->tim_rti_cfg1_saved; |
2856 | ring->tim_rti_cfg3_saved = vp->vpath->tim_rti_cfg3_saved; | |
528f7272 JM |
2857 | ring->rxds_limit = config->rxds_limit; |
2858 | ||
2859 | ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode); | |
2860 | ring->rxd_priv_size = | |
2861 | sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space; | |
2862 | ring->per_rxd_space = attr->per_rxd_space; | |
2863 | ||
2864 | ring->rxd_priv_size = | |
2865 | ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) / | |
2866 | VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; | |
2867 | ||
2868 | /* how many RxDs can fit into one block. Depends on configured | |
2869 | * buffer_mode. */ | |
2870 | ring->rxds_per_block = | |
2871 | vxge_hw_ring_rxds_per_block_get(config->buffer_mode); | |
2872 | ||
2873 | /* calculate actual RxD block private size */ | |
2874 | ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block; | |
528f7272 JM |
2875 | ring->mempool = __vxge_hw_mempool_create(hldev, |
2876 | VXGE_HW_BLOCK_SIZE, | |
2877 | VXGE_HW_BLOCK_SIZE, | |
2878 | ring->rxdblock_priv_size, | |
2879 | ring->config->ring_blocks, | |
2880 | ring->config->ring_blocks, | |
2881 | &ring_mp_callback, | |
2882 | ring); | |
2883 | if (ring->mempool == NULL) { | |
2884 | __vxge_hw_ring_delete(vp); | |
2885 | return VXGE_HW_ERR_OUT_OF_MEMORY; | |
2886 | } | |
2887 | ||
2888 | status = __vxge_hw_channel_initialize(&ring->channel); | |
2889 | if (status != VXGE_HW_OK) { | |
2890 | __vxge_hw_ring_delete(vp); | |
2891 | goto exit; | |
2892 | } | |
2893 | ||
2894 | /* Note: | |
2895 | * Specifying rxd_init callback means two things: | |
2896 | * 1) rxds need to be initialized by driver at channel-open time; | |
2897 | * 2) rxds need to be posted at channel-open time | |
2898 | * (that's what the initial_replenish() below does) | |
2899 | * Currently we don't have a case when the 1) is done without the 2). | |
2900 | */ | |
2901 | if (ring->rxd_init) { | |
2902 | status = vxge_hw_ring_replenish(ring); | |
2903 | if (status != VXGE_HW_OK) { | |
2904 | __vxge_hw_ring_delete(vp); | |
2905 | goto exit; | |
2906 | } | |
2907 | } | |
2908 | ||
2909 | /* initial replenish will increment the counter in its post() routine, | |
2910 | * we have to reset it */ | |
2911 | ring->stats->common_stats.usage_cnt = 0; | |
2912 | exit: | |
2913 | return status; | |
40a3a915 RV |
2914 | } |
2915 | ||
2916 | /* | |
2917 | * vxge_hw_device_config_default_get - Initialize device config with defaults. | |
2918 | * Initialize Titan device config with default values. | |
2919 | */ | |
2920 | enum vxge_hw_status __devinit | |
2921 | vxge_hw_device_config_default_get(struct vxge_hw_device_config *device_config) | |
2922 | { | |
2923 | u32 i; | |
2924 | ||
2925 | device_config->dma_blockpool_initial = | |
2926 | VXGE_HW_INITIAL_DMA_BLOCK_POOL_SIZE; | |
2927 | device_config->dma_blockpool_max = VXGE_HW_MAX_DMA_BLOCK_POOL_SIZE; | |
2928 | device_config->intr_mode = VXGE_HW_INTR_MODE_DEF; | |
2929 | device_config->rth_en = VXGE_HW_RTH_DEFAULT; | |
2930 | device_config->rth_it_type = VXGE_HW_RTH_IT_TYPE_DEFAULT; | |
2931 | device_config->device_poll_millis = VXGE_HW_DEF_DEVICE_POLL_MILLIS; | |
2932 | device_config->rts_mac_en = VXGE_HW_RTS_MAC_DEFAULT; | |
2933 | ||
2934 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
40a3a915 RV |
2935 | device_config->vp_config[i].vp_id = i; |
2936 | ||
2937 | device_config->vp_config[i].min_bandwidth = | |
2938 | VXGE_HW_VPATH_BANDWIDTH_DEFAULT; | |
2939 | ||
2940 | device_config->vp_config[i].ring.enable = VXGE_HW_RING_DEFAULT; | |
2941 | ||
2942 | device_config->vp_config[i].ring.ring_blocks = | |
2943 | VXGE_HW_DEF_RING_BLOCKS; | |
2944 | ||
2945 | device_config->vp_config[i].ring.buffer_mode = | |
2946 | VXGE_HW_RING_RXD_BUFFER_MODE_DEFAULT; | |
2947 | ||
2948 | device_config->vp_config[i].ring.scatter_mode = | |
2949 | VXGE_HW_RING_SCATTER_MODE_USE_FLASH_DEFAULT; | |
2950 | ||
2951 | device_config->vp_config[i].ring.rxds_limit = | |
2952 | VXGE_HW_DEF_RING_RXDS_LIMIT; | |
2953 | ||
2954 | device_config->vp_config[i].fifo.enable = VXGE_HW_FIFO_ENABLE; | |
2955 | ||
2956 | device_config->vp_config[i].fifo.fifo_blocks = | |
2957 | VXGE_HW_MIN_FIFO_BLOCKS; | |
2958 | ||
2959 | device_config->vp_config[i].fifo.max_frags = | |
2960 | VXGE_HW_MAX_FIFO_FRAGS; | |
2961 | ||
2962 | device_config->vp_config[i].fifo.memblock_size = | |
2963 | VXGE_HW_DEF_FIFO_MEMBLOCK_SIZE; | |
2964 | ||
2965 | device_config->vp_config[i].fifo.alignment_size = | |
2966 | VXGE_HW_DEF_FIFO_ALIGNMENT_SIZE; | |
2967 | ||
2968 | device_config->vp_config[i].fifo.intr = | |
2969 | VXGE_HW_FIFO_QUEUE_INTR_DEFAULT; | |
2970 | ||
2971 | device_config->vp_config[i].fifo.no_snoop_bits = | |
2972 | VXGE_HW_FIFO_NO_SNOOP_DEFAULT; | |
2973 | device_config->vp_config[i].tti.intr_enable = | |
2974 | VXGE_HW_TIM_INTR_DEFAULT; | |
2975 | ||
2976 | device_config->vp_config[i].tti.btimer_val = | |
2977 | VXGE_HW_USE_FLASH_DEFAULT; | |
2978 | ||
2979 | device_config->vp_config[i].tti.timer_ac_en = | |
2980 | VXGE_HW_USE_FLASH_DEFAULT; | |
2981 | ||
2982 | device_config->vp_config[i].tti.timer_ci_en = | |
2983 | VXGE_HW_USE_FLASH_DEFAULT; | |
2984 | ||
2985 | device_config->vp_config[i].tti.timer_ri_en = | |
2986 | VXGE_HW_USE_FLASH_DEFAULT; | |
2987 | ||
2988 | device_config->vp_config[i].tti.rtimer_val = | |
2989 | VXGE_HW_USE_FLASH_DEFAULT; | |
2990 | ||
2991 | device_config->vp_config[i].tti.util_sel = | |
2992 | VXGE_HW_USE_FLASH_DEFAULT; | |
2993 | ||
2994 | device_config->vp_config[i].tti.ltimer_val = | |
2995 | VXGE_HW_USE_FLASH_DEFAULT; | |
2996 | ||
2997 | device_config->vp_config[i].tti.urange_a = | |
2998 | VXGE_HW_USE_FLASH_DEFAULT; | |
2999 | ||
3000 | device_config->vp_config[i].tti.uec_a = | |
3001 | VXGE_HW_USE_FLASH_DEFAULT; | |
3002 | ||
3003 | device_config->vp_config[i].tti.urange_b = | |
3004 | VXGE_HW_USE_FLASH_DEFAULT; | |
3005 | ||
3006 | device_config->vp_config[i].tti.uec_b = | |
3007 | VXGE_HW_USE_FLASH_DEFAULT; | |
3008 | ||
3009 | device_config->vp_config[i].tti.urange_c = | |
3010 | VXGE_HW_USE_FLASH_DEFAULT; | |
3011 | ||
3012 | device_config->vp_config[i].tti.uec_c = | |
3013 | VXGE_HW_USE_FLASH_DEFAULT; | |
3014 | ||
3015 | device_config->vp_config[i].tti.uec_d = | |
3016 | VXGE_HW_USE_FLASH_DEFAULT; | |
3017 | ||
3018 | device_config->vp_config[i].rti.intr_enable = | |
3019 | VXGE_HW_TIM_INTR_DEFAULT; | |
3020 | ||
3021 | device_config->vp_config[i].rti.btimer_val = | |
3022 | VXGE_HW_USE_FLASH_DEFAULT; | |
3023 | ||
3024 | device_config->vp_config[i].rti.timer_ac_en = | |
3025 | VXGE_HW_USE_FLASH_DEFAULT; | |
3026 | ||
3027 | device_config->vp_config[i].rti.timer_ci_en = | |
3028 | VXGE_HW_USE_FLASH_DEFAULT; | |
3029 | ||
3030 | device_config->vp_config[i].rti.timer_ri_en = | |
3031 | VXGE_HW_USE_FLASH_DEFAULT; | |
3032 | ||
3033 | device_config->vp_config[i].rti.rtimer_val = | |
3034 | VXGE_HW_USE_FLASH_DEFAULT; | |
3035 | ||
3036 | device_config->vp_config[i].rti.util_sel = | |
3037 | VXGE_HW_USE_FLASH_DEFAULT; | |
3038 | ||
3039 | device_config->vp_config[i].rti.ltimer_val = | |
3040 | VXGE_HW_USE_FLASH_DEFAULT; | |
3041 | ||
3042 | device_config->vp_config[i].rti.urange_a = | |
3043 | VXGE_HW_USE_FLASH_DEFAULT; | |
3044 | ||
3045 | device_config->vp_config[i].rti.uec_a = | |
3046 | VXGE_HW_USE_FLASH_DEFAULT; | |
3047 | ||
3048 | device_config->vp_config[i].rti.urange_b = | |
3049 | VXGE_HW_USE_FLASH_DEFAULT; | |
3050 | ||
3051 | device_config->vp_config[i].rti.uec_b = | |
3052 | VXGE_HW_USE_FLASH_DEFAULT; | |
3053 | ||
3054 | device_config->vp_config[i].rti.urange_c = | |
3055 | VXGE_HW_USE_FLASH_DEFAULT; | |
3056 | ||
3057 | device_config->vp_config[i].rti.uec_c = | |
3058 | VXGE_HW_USE_FLASH_DEFAULT; | |
3059 | ||
3060 | device_config->vp_config[i].rti.uec_d = | |
3061 | VXGE_HW_USE_FLASH_DEFAULT; | |
3062 | ||
3063 | device_config->vp_config[i].mtu = | |
3064 | VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU; | |
3065 | ||
3066 | device_config->vp_config[i].rpa_strip_vlan_tag = | |
3067 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT; | |
3068 | } | |
3069 | ||
3070 | return VXGE_HW_OK; | |
3071 | } | |
3072 | ||
40a3a915 RV |
3073 | /* |
3074 | * __vxge_hw_vpath_swapper_set - Set the swapper bits for the vpath. | |
3075 | * Set the swapper bits appropriately for the vpath. | |
3076 | */ | |
42821a5b | 3077 | static enum vxge_hw_status |
40a3a915 RV |
3078 | __vxge_hw_vpath_swapper_set(struct vxge_hw_vpath_reg __iomem *vpath_reg) |
3079 | { | |
3080 | #ifndef __BIG_ENDIAN | |
3081 | u64 val64; | |
3082 | ||
3083 | val64 = readq(&vpath_reg->vpath_general_cfg1); | |
3084 | wmb(); | |
3085 | val64 |= VXGE_HW_VPATH_GENERAL_CFG1_CTL_BYTE_SWAPEN; | |
3086 | writeq(val64, &vpath_reg->vpath_general_cfg1); | |
3087 | wmb(); | |
3088 | #endif | |
3089 | return VXGE_HW_OK; | |
3090 | } | |
3091 | ||
3092 | /* | |
3093 | * __vxge_hw_kdfc_swapper_set - Set the swapper bits for the kdfc. | |
3094 | * Set the swapper bits appropriately for the vpath. | |
3095 | */ | |
42821a5b | 3096 | static enum vxge_hw_status |
528f7272 JM |
3097 | __vxge_hw_kdfc_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg, |
3098 | struct vxge_hw_vpath_reg __iomem *vpath_reg) | |
40a3a915 RV |
3099 | { |
3100 | u64 val64; | |
3101 | ||
3102 | val64 = readq(&legacy_reg->pifm_wr_swap_en); | |
3103 | ||
3104 | if (val64 == VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE) { | |
3105 | val64 = readq(&vpath_reg->kdfcctl_cfg0); | |
3106 | wmb(); | |
3107 | ||
3108 | val64 |= VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO0 | | |
3109 | VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO1 | | |
3110 | VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO2; | |
3111 | ||
3112 | writeq(val64, &vpath_reg->kdfcctl_cfg0); | |
3113 | wmb(); | |
3114 | } | |
3115 | ||
3116 | return VXGE_HW_OK; | |
3117 | } | |
3118 | ||
40a3a915 RV |
3119 | /* |
3120 | * vxge_hw_mgmt_reg_read - Read Titan register. | |
3121 | */ | |
3122 | enum vxge_hw_status | |
3123 | vxge_hw_mgmt_reg_read(struct __vxge_hw_device *hldev, | |
3124 | enum vxge_hw_mgmt_reg_type type, | |
3125 | u32 index, u32 offset, u64 *value) | |
3126 | { | |
3127 | enum vxge_hw_status status = VXGE_HW_OK; | |
3128 | ||
3129 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
3130 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
3131 | goto exit; | |
3132 | } | |
3133 | ||
3134 | switch (type) { | |
3135 | case vxge_hw_mgmt_reg_type_legacy: | |
3136 | if (offset > sizeof(struct vxge_hw_legacy_reg) - 8) { | |
3137 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3138 | break; | |
3139 | } | |
3140 | *value = readq((void __iomem *)hldev->legacy_reg + offset); | |
3141 | break; | |
3142 | case vxge_hw_mgmt_reg_type_toc: | |
3143 | if (offset > sizeof(struct vxge_hw_toc_reg) - 8) { | |
3144 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3145 | break; | |
3146 | } | |
3147 | *value = readq((void __iomem *)hldev->toc_reg + offset); | |
3148 | break; | |
3149 | case vxge_hw_mgmt_reg_type_common: | |
3150 | if (offset > sizeof(struct vxge_hw_common_reg) - 8) { | |
3151 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3152 | break; | |
3153 | } | |
3154 | *value = readq((void __iomem *)hldev->common_reg + offset); | |
3155 | break; | |
3156 | case vxge_hw_mgmt_reg_type_mrpcim: | |
3157 | if (!(hldev->access_rights & | |
3158 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
3159 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
3160 | break; | |
3161 | } | |
3162 | if (offset > sizeof(struct vxge_hw_mrpcim_reg) - 8) { | |
3163 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3164 | break; | |
3165 | } | |
3166 | *value = readq((void __iomem *)hldev->mrpcim_reg + offset); | |
3167 | break; | |
3168 | case vxge_hw_mgmt_reg_type_srpcim: | |
3169 | if (!(hldev->access_rights & | |
3170 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM)) { | |
3171 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
3172 | break; | |
3173 | } | |
3174 | if (index > VXGE_HW_TITAN_SRPCIM_REG_SPACES - 1) { | |
3175 | status = VXGE_HW_ERR_INVALID_INDEX; | |
3176 | break; | |
3177 | } | |
3178 | if (offset > sizeof(struct vxge_hw_srpcim_reg) - 8) { | |
3179 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3180 | break; | |
3181 | } | |
3182 | *value = readq((void __iomem *)hldev->srpcim_reg[index] + | |
3183 | offset); | |
3184 | break; | |
3185 | case vxge_hw_mgmt_reg_type_vpmgmt: | |
3186 | if ((index > VXGE_HW_TITAN_VPMGMT_REG_SPACES - 1) || | |
3187 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
3188 | status = VXGE_HW_ERR_INVALID_INDEX; | |
3189 | break; | |
3190 | } | |
3191 | if (offset > sizeof(struct vxge_hw_vpmgmt_reg) - 8) { | |
3192 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3193 | break; | |
3194 | } | |
3195 | *value = readq((void __iomem *)hldev->vpmgmt_reg[index] + | |
3196 | offset); | |
3197 | break; | |
3198 | case vxge_hw_mgmt_reg_type_vpath: | |
3199 | if ((index > VXGE_HW_TITAN_VPATH_REG_SPACES - 1) || | |
3200 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
3201 | status = VXGE_HW_ERR_INVALID_INDEX; | |
3202 | break; | |
3203 | } | |
3204 | if (index > VXGE_HW_TITAN_VPATH_REG_SPACES - 1) { | |
3205 | status = VXGE_HW_ERR_INVALID_INDEX; | |
3206 | break; | |
3207 | } | |
3208 | if (offset > sizeof(struct vxge_hw_vpath_reg) - 8) { | |
3209 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3210 | break; | |
3211 | } | |
3212 | *value = readq((void __iomem *)hldev->vpath_reg[index] + | |
3213 | offset); | |
3214 | break; | |
3215 | default: | |
3216 | status = VXGE_HW_ERR_INVALID_TYPE; | |
3217 | break; | |
3218 | } | |
3219 | ||
3220 | exit: | |
3221 | return status; | |
3222 | } | |
3223 | ||
fa41fd10 SH |
3224 | /* |
3225 | * vxge_hw_vpath_strip_fcs_check - Check for FCS strip. | |
3226 | */ | |
3227 | enum vxge_hw_status | |
3228 | vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask) | |
3229 | { | |
3230 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg; | |
3231 | enum vxge_hw_status status = VXGE_HW_OK; | |
3232 | int i = 0, j = 0; | |
3233 | ||
3234 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
3235 | if (!((vpath_mask) & vxge_mBIT(i))) | |
3236 | continue; | |
3237 | vpmgmt_reg = hldev->vpmgmt_reg[i]; | |
3238 | for (j = 0; j < VXGE_HW_MAC_MAX_MAC_PORT_ID; j++) { | |
3239 | if (readq(&vpmgmt_reg->rxmac_cfg0_port_vpmgmt_clone[j]) | |
3240 | & VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_STRIP_FCS) | |
3241 | return VXGE_HW_FAIL; | |
3242 | } | |
3243 | } | |
3244 | return status; | |
3245 | } | |
40a3a915 RV |
3246 | /* |
3247 | * vxge_hw_mgmt_reg_Write - Write Titan register. | |
3248 | */ | |
3249 | enum vxge_hw_status | |
3250 | vxge_hw_mgmt_reg_write(struct __vxge_hw_device *hldev, | |
3251 | enum vxge_hw_mgmt_reg_type type, | |
3252 | u32 index, u32 offset, u64 value) | |
3253 | { | |
3254 | enum vxge_hw_status status = VXGE_HW_OK; | |
3255 | ||
3256 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
3257 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
3258 | goto exit; | |
3259 | } | |
3260 | ||
3261 | switch (type) { | |
3262 | case vxge_hw_mgmt_reg_type_legacy: | |
3263 | if (offset > sizeof(struct vxge_hw_legacy_reg) - 8) { | |
3264 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3265 | break; | |
3266 | } | |
3267 | writeq(value, (void __iomem *)hldev->legacy_reg + offset); | |
3268 | break; | |
3269 | case vxge_hw_mgmt_reg_type_toc: | |
3270 | if (offset > sizeof(struct vxge_hw_toc_reg) - 8) { | |
3271 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3272 | break; | |
3273 | } | |
3274 | writeq(value, (void __iomem *)hldev->toc_reg + offset); | |
3275 | break; | |
3276 | case vxge_hw_mgmt_reg_type_common: | |
3277 | if (offset > sizeof(struct vxge_hw_common_reg) - 8) { | |
3278 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3279 | break; | |
3280 | } | |
3281 | writeq(value, (void __iomem *)hldev->common_reg + offset); | |
3282 | break; | |
3283 | case vxge_hw_mgmt_reg_type_mrpcim: | |
3284 | if (!(hldev->access_rights & | |
3285 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
3286 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
3287 | break; | |
3288 | } | |
3289 | if (offset > sizeof(struct vxge_hw_mrpcim_reg) - 8) { | |
3290 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3291 | break; | |
3292 | } | |
3293 | writeq(value, (void __iomem *)hldev->mrpcim_reg + offset); | |
3294 | break; | |
3295 | case vxge_hw_mgmt_reg_type_srpcim: | |
3296 | if (!(hldev->access_rights & | |
3297 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM)) { | |
3298 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
3299 | break; | |
3300 | } | |
3301 | if (index > VXGE_HW_TITAN_SRPCIM_REG_SPACES - 1) { | |
3302 | status = VXGE_HW_ERR_INVALID_INDEX; | |
3303 | break; | |
3304 | } | |
3305 | if (offset > sizeof(struct vxge_hw_srpcim_reg) - 8) { | |
3306 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3307 | break; | |
3308 | } | |
3309 | writeq(value, (void __iomem *)hldev->srpcim_reg[index] + | |
3310 | offset); | |
3311 | ||
3312 | break; | |
3313 | case vxge_hw_mgmt_reg_type_vpmgmt: | |
3314 | if ((index > VXGE_HW_TITAN_VPMGMT_REG_SPACES - 1) || | |
3315 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
3316 | status = VXGE_HW_ERR_INVALID_INDEX; | |
3317 | break; | |
3318 | } | |
3319 | if (offset > sizeof(struct vxge_hw_vpmgmt_reg) - 8) { | |
3320 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3321 | break; | |
3322 | } | |
3323 | writeq(value, (void __iomem *)hldev->vpmgmt_reg[index] + | |
3324 | offset); | |
3325 | break; | |
3326 | case vxge_hw_mgmt_reg_type_vpath: | |
3327 | if ((index > VXGE_HW_TITAN_VPATH_REG_SPACES-1) || | |
3328 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
3329 | status = VXGE_HW_ERR_INVALID_INDEX; | |
3330 | break; | |
3331 | } | |
3332 | if (offset > sizeof(struct vxge_hw_vpath_reg) - 8) { | |
3333 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
3334 | break; | |
3335 | } | |
3336 | writeq(value, (void __iomem *)hldev->vpath_reg[index] + | |
3337 | offset); | |
3338 | break; | |
3339 | default: | |
3340 | status = VXGE_HW_ERR_INVALID_TYPE; | |
3341 | break; | |
3342 | } | |
3343 | exit: | |
3344 | return status; | |
3345 | } | |
3346 | ||
3347 | /* | |
528f7272 JM |
3348 | * __vxge_hw_fifo_abort - Returns the TxD |
3349 | * This function terminates the TxDs of fifo | |
40a3a915 | 3350 | */ |
528f7272 | 3351 | static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo) |
40a3a915 | 3352 | { |
528f7272 | 3353 | void *txdlh; |
40a3a915 | 3354 | |
528f7272 JM |
3355 | for (;;) { |
3356 | vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh); | |
40a3a915 | 3357 | |
528f7272 JM |
3358 | if (txdlh == NULL) |
3359 | break; | |
40a3a915 | 3360 | |
528f7272 | 3361 | vxge_hw_channel_dtr_complete(&fifo->channel); |
40a3a915 | 3362 | |
528f7272 JM |
3363 | if (fifo->txdl_term) { |
3364 | fifo->txdl_term(txdlh, | |
3365 | VXGE_HW_TXDL_STATE_POSTED, | |
3366 | fifo->channel.userdata); | |
3367 | } | |
40a3a915 | 3368 | |
528f7272 JM |
3369 | vxge_hw_channel_dtr_free(&fifo->channel, txdlh); |
3370 | } | |
40a3a915 | 3371 | |
528f7272 | 3372 | return VXGE_HW_OK; |
40a3a915 RV |
3373 | } |
3374 | ||
3375 | /* | |
528f7272 JM |
3376 | * __vxge_hw_fifo_reset - Resets the fifo |
3377 | * This function resets the fifo during vpath reset operation | |
40a3a915 | 3378 | */ |
528f7272 | 3379 | static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo) |
40a3a915 RV |
3380 | { |
3381 | enum vxge_hw_status status = VXGE_HW_OK; | |
528f7272 JM |
3382 | |
3383 | __vxge_hw_fifo_abort(fifo); | |
3384 | status = __vxge_hw_channel_reset(&fifo->channel); | |
3385 | ||
3386 | return status; | |
3387 | } | |
3388 | ||
3389 | /* | |
3390 | * __vxge_hw_fifo_delete - Removes the FIFO | |
3391 | * This function freeup the memory pool and removes the FIFO | |
3392 | */ | |
3393 | static enum vxge_hw_status | |
3394 | __vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp) | |
3395 | { | |
3396 | struct __vxge_hw_fifo *fifo = vp->vpath->fifoh; | |
3397 | ||
3398 | __vxge_hw_fifo_abort(fifo); | |
3399 | ||
3400 | if (fifo->mempool) | |
3401 | __vxge_hw_mempool_destroy(fifo->mempool); | |
3402 | ||
3403 | vp->vpath->fifoh = NULL; | |
3404 | ||
3405 | __vxge_hw_channel_free(&fifo->channel); | |
3406 | ||
3407 | return VXGE_HW_OK; | |
3408 | } | |
3409 | ||
3410 | /* | |
3411 | * __vxge_hw_fifo_mempool_item_alloc - Allocate List blocks for TxD | |
3412 | * list callback | |
3413 | * This function is callback passed to __vxge_hw_mempool_create to create memory | |
3414 | * pool for TxD list | |
3415 | */ | |
3416 | static void | |
3417 | __vxge_hw_fifo_mempool_item_alloc( | |
3418 | struct vxge_hw_mempool *mempoolh, | |
3419 | u32 memblock_index, struct vxge_hw_mempool_dma *dma_object, | |
3420 | u32 index, u32 is_last) | |
3421 | { | |
3422 | u32 memblock_item_idx; | |
3423 | struct __vxge_hw_fifo_txdl_priv *txdl_priv; | |
3424 | struct vxge_hw_fifo_txd *txdp = | |
3425 | (struct vxge_hw_fifo_txd *)mempoolh->items_arr[index]; | |
3426 | struct __vxge_hw_fifo *fifo = | |
3427 | (struct __vxge_hw_fifo *)mempoolh->userdata; | |
3428 | void *memblock = mempoolh->memblocks_arr[memblock_index]; | |
3429 | ||
3430 | vxge_assert(txdp); | |
3431 | ||
3432 | txdp->host_control = (u64) (size_t) | |
3433 | __vxge_hw_mempool_item_priv(mempoolh, memblock_index, txdp, | |
3434 | &memblock_item_idx); | |
3435 | ||
3436 | txdl_priv = __vxge_hw_fifo_txdl_priv(fifo, txdp); | |
3437 | ||
3438 | vxge_assert(txdl_priv); | |
3439 | ||
3440 | fifo->channel.reserve_arr[fifo->channel.reserve_ptr - 1 - index] = txdp; | |
3441 | ||
3442 | /* pre-format HW's TxDL's private */ | |
3443 | txdl_priv->dma_offset = (char *)txdp - (char *)memblock; | |
3444 | txdl_priv->dma_addr = dma_object->addr + txdl_priv->dma_offset; | |
3445 | txdl_priv->dma_handle = dma_object->handle; | |
3446 | txdl_priv->memblock = memblock; | |
3447 | txdl_priv->first_txdp = txdp; | |
3448 | txdl_priv->next_txdl_priv = NULL; | |
3449 | txdl_priv->alloc_frags = 0; | |
3450 | } | |
3451 | ||
3452 | /* | |
3453 | * __vxge_hw_fifo_create - Create a FIFO | |
3454 | * This function creates FIFO and initializes it. | |
3455 | */ | |
3456 | static enum vxge_hw_status | |
3457 | __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, | |
3458 | struct vxge_hw_fifo_attr *attr) | |
3459 | { | |
3460 | enum vxge_hw_status status = VXGE_HW_OK; | |
3461 | struct __vxge_hw_fifo *fifo; | |
40a3a915 RV |
3462 | struct vxge_hw_fifo_config *config; |
3463 | u32 txdl_size, txdl_per_memblock; | |
3464 | struct vxge_hw_mempool_cbs fifo_mp_callback; | |
3465 | struct __vxge_hw_virtualpath *vpath; | |
3466 | ||
3467 | if ((vp == NULL) || (attr == NULL)) { | |
3468 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3469 | goto exit; | |
3470 | } | |
3471 | vpath = vp->vpath; | |
3472 | config = &vpath->hldev->config.vp_config[vpath->vp_id].fifo; | |
3473 | ||
3474 | txdl_size = config->max_frags * sizeof(struct vxge_hw_fifo_txd); | |
3475 | ||
3476 | txdl_per_memblock = config->memblock_size / txdl_size; | |
3477 | ||
3478 | fifo = (struct __vxge_hw_fifo *)__vxge_hw_channel_allocate(vp, | |
3479 | VXGE_HW_CHANNEL_TYPE_FIFO, | |
3480 | config->fifo_blocks * txdl_per_memblock, | |
3481 | attr->per_txdl_space, attr->userdata); | |
3482 | ||
3483 | if (fifo == NULL) { | |
3484 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
3485 | goto exit; | |
3486 | } | |
3487 | ||
3488 | vpath->fifoh = fifo; | |
3489 | fifo->nofl_db = vpath->nofl_db; | |
3490 | ||
3491 | fifo->vp_id = vpath->vp_id; | |
3492 | fifo->vp_reg = vpath->vp_reg; | |
3493 | fifo->stats = &vpath->sw_stats->fifo_stats; | |
3494 | ||
3495 | fifo->config = config; | |
3496 | ||
3497 | /* apply "interrupts per txdl" attribute */ | |
3498 | fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_UTILZ; | |
16fded7d JM |
3499 | fifo->tim_tti_cfg1_saved = vpath->tim_tti_cfg1_saved; |
3500 | fifo->tim_tti_cfg3_saved = vpath->tim_tti_cfg3_saved; | |
40a3a915 RV |
3501 | |
3502 | if (fifo->config->intr) | |
3503 | fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_PER_LIST; | |
3504 | ||
3505 | fifo->no_snoop_bits = config->no_snoop_bits; | |
3506 | ||
3507 | /* | |
3508 | * FIFO memory management strategy: | |
3509 | * | |
3510 | * TxDL split into three independent parts: | |
3511 | * - set of TxD's | |
3512 | * - TxD HW private part | |
3513 | * - driver private part | |
3514 | * | |
3515 | * Adaptative memory allocation used. i.e. Memory allocated on | |
3516 | * demand with the size which will fit into one memory block. | |
3517 | * One memory block may contain more than one TxDL. | |
3518 | * | |
3519 | * During "reserve" operations more memory can be allocated on demand | |
3520 | * for example due to FIFO full condition. | |
3521 | * | |
3522 | * Pool of memory memblocks never shrinks except in __vxge_hw_fifo_close | |
3523 | * routine which will essentially stop the channel and free resources. | |
3524 | */ | |
3525 | ||
3526 | /* TxDL common private size == TxDL private + driver private */ | |
3527 | fifo->priv_size = | |
3528 | sizeof(struct __vxge_hw_fifo_txdl_priv) + attr->per_txdl_space; | |
3529 | fifo->priv_size = ((fifo->priv_size + VXGE_CACHE_LINE_SIZE - 1) / | |
3530 | VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; | |
3531 | ||
3532 | fifo->per_txdl_space = attr->per_txdl_space; | |
3533 | ||
3534 | /* recompute txdl size to be cacheline aligned */ | |
3535 | fifo->txdl_size = txdl_size; | |
3536 | fifo->txdl_per_memblock = txdl_per_memblock; | |
3537 | ||
3538 | fifo->txdl_term = attr->txdl_term; | |
3539 | fifo->callback = attr->callback; | |
3540 | ||
3541 | if (fifo->txdl_per_memblock == 0) { | |
3542 | __vxge_hw_fifo_delete(vp); | |
3543 | status = VXGE_HW_ERR_INVALID_BLOCK_SIZE; | |
3544 | goto exit; | |
3545 | } | |
3546 | ||
3547 | fifo_mp_callback.item_func_alloc = __vxge_hw_fifo_mempool_item_alloc; | |
3548 | ||
3549 | fifo->mempool = | |
3550 | __vxge_hw_mempool_create(vpath->hldev, | |
3551 | fifo->config->memblock_size, | |
3552 | fifo->txdl_size, | |
3553 | fifo->priv_size, | |
3554 | (fifo->config->fifo_blocks * fifo->txdl_per_memblock), | |
3555 | (fifo->config->fifo_blocks * fifo->txdl_per_memblock), | |
3556 | &fifo_mp_callback, | |
3557 | fifo); | |
3558 | ||
3559 | if (fifo->mempool == NULL) { | |
3560 | __vxge_hw_fifo_delete(vp); | |
3561 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
3562 | goto exit; | |
3563 | } | |
3564 | ||
3565 | status = __vxge_hw_channel_initialize(&fifo->channel); | |
3566 | if (status != VXGE_HW_OK) { | |
3567 | __vxge_hw_fifo_delete(vp); | |
3568 | goto exit; | |
3569 | } | |
3570 | ||
3571 | vxge_assert(fifo->channel.reserve_ptr); | |
3572 | exit: | |
3573 | return status; | |
3574 | } | |
3575 | ||
40a3a915 RV |
3576 | /* |
3577 | * __vxge_hw_vpath_pci_read - Read the content of given address | |
3578 | * in pci config space. | |
3579 | * Read from the vpath pci config space. | |
3580 | */ | |
42821a5b | 3581 | static enum vxge_hw_status |
40a3a915 RV |
3582 | __vxge_hw_vpath_pci_read(struct __vxge_hw_virtualpath *vpath, |
3583 | u32 phy_func_0, u32 offset, u32 *val) | |
3584 | { | |
3585 | u64 val64; | |
3586 | enum vxge_hw_status status = VXGE_HW_OK; | |
3587 | struct vxge_hw_vpath_reg __iomem *vp_reg = vpath->vp_reg; | |
3588 | ||
3589 | val64 = VXGE_HW_PCI_CONFIG_ACCESS_CFG1_ADDRESS(offset); | |
3590 | ||
3591 | if (phy_func_0) | |
3592 | val64 |= VXGE_HW_PCI_CONFIG_ACCESS_CFG1_SEL_FUNC0; | |
3593 | ||
3594 | writeq(val64, &vp_reg->pci_config_access_cfg1); | |
3595 | wmb(); | |
3596 | writeq(VXGE_HW_PCI_CONFIG_ACCESS_CFG2_REQ, | |
3597 | &vp_reg->pci_config_access_cfg2); | |
3598 | wmb(); | |
3599 | ||
3600 | status = __vxge_hw_device_register_poll( | |
3601 | &vp_reg->pci_config_access_cfg2, | |
3602 | VXGE_HW_INTR_MASK_ALL, VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
3603 | ||
3604 | if (status != VXGE_HW_OK) | |
3605 | goto exit; | |
3606 | ||
3607 | val64 = readq(&vp_reg->pci_config_access_status); | |
3608 | ||
3609 | if (val64 & VXGE_HW_PCI_CONFIG_ACCESS_STATUS_ACCESS_ERR) { | |
3610 | status = VXGE_HW_FAIL; | |
3611 | *val = 0; | |
3612 | } else | |
3613 | *val = (u32)vxge_bVALn(val64, 32, 32); | |
3614 | exit: | |
3615 | return status; | |
3616 | } | |
3617 | ||
40a3a915 RV |
3618 | /** |
3619 | * vxge_hw_device_flick_link_led - Flick (blink) link LED. | |
3620 | * @hldev: HW device. | |
3621 | * @on_off: TRUE if flickering to be on, FALSE to be off | |
3622 | * | |
3623 | * Flicker the link LED. | |
3624 | */ | |
3625 | enum vxge_hw_status | |
8424e00d | 3626 | vxge_hw_device_flick_link_led(struct __vxge_hw_device *hldev, u64 on_off) |
40a3a915 | 3627 | { |
8424e00d JM |
3628 | struct __vxge_hw_virtualpath *vpath; |
3629 | u64 data0, data1 = 0, steer_ctrl = 0; | |
3630 | enum vxge_hw_status status; | |
40a3a915 RV |
3631 | |
3632 | if (hldev == NULL) { | |
3633 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
3634 | goto exit; | |
3635 | } | |
3636 | ||
8424e00d | 3637 | vpath = &hldev->virtual_paths[hldev->first_vp_id]; |
40a3a915 | 3638 | |
8424e00d JM |
3639 | data0 = on_off; |
3640 | status = vxge_hw_vpath_fw_api(vpath, | |
3641 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LED_CONTROL, | |
3642 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO, | |
3643 | 0, &data0, &data1, &steer_ctrl); | |
40a3a915 RV |
3644 | exit: |
3645 | return status; | |
3646 | } | |
3647 | ||
3648 | /* | |
3649 | * __vxge_hw_vpath_rts_table_get - Get the entries from RTS access tables | |
3650 | */ | |
3651 | enum vxge_hw_status | |
8424e00d JM |
3652 | __vxge_hw_vpath_rts_table_get(struct __vxge_hw_vpath_handle *vp, |
3653 | u32 action, u32 rts_table, u32 offset, | |
3654 | u64 *data0, u64 *data1) | |
40a3a915 | 3655 | { |
8424e00d JM |
3656 | enum vxge_hw_status status; |
3657 | u64 steer_ctrl = 0; | |
40a3a915 RV |
3658 | |
3659 | if (vp == NULL) { | |
3660 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3661 | goto exit; | |
3662 | } | |
3663 | ||
40a3a915 | 3664 | if ((rts_table == |
8424e00d | 3665 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT) || |
40a3a915 | 3666 | (rts_table == |
8424e00d | 3667 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT) || |
40a3a915 | 3668 | (rts_table == |
8424e00d | 3669 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MASK) || |
40a3a915 | 3670 | (rts_table == |
8424e00d JM |
3671 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_KEY)) { |
3672 | steer_ctrl = VXGE_HW_RTS_ACCESS_STEER_CTRL_TABLE_SEL; | |
40a3a915 RV |
3673 | } |
3674 | ||
8424e00d JM |
3675 | status = vxge_hw_vpath_fw_api(vp->vpath, action, rts_table, offset, |
3676 | data0, data1, &steer_ctrl); | |
40a3a915 RV |
3677 | if (status != VXGE_HW_OK) |
3678 | goto exit; | |
3679 | ||
48bc9a2c | 3680 | if ((rts_table != VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) && |
8424e00d JM |
3681 | (rts_table != |
3682 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) | |
3683 | *data1 = 0; | |
40a3a915 RV |
3684 | exit: |
3685 | return status; | |
3686 | } | |
3687 | ||
3688 | /* | |
3689 | * __vxge_hw_vpath_rts_table_set - Set the entries of RTS access tables | |
3690 | */ | |
3691 | enum vxge_hw_status | |
8424e00d JM |
3692 | __vxge_hw_vpath_rts_table_set(struct __vxge_hw_vpath_handle *vp, u32 action, |
3693 | u32 rts_table, u32 offset, u64 steer_data0, | |
3694 | u64 steer_data1) | |
40a3a915 | 3695 | { |
8424e00d JM |
3696 | u64 data0, data1 = 0, steer_ctrl = 0; |
3697 | enum vxge_hw_status status; | |
40a3a915 RV |
3698 | |
3699 | if (vp == NULL) { | |
3700 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3701 | goto exit; | |
3702 | } | |
3703 | ||
8424e00d | 3704 | data0 = steer_data0; |
40a3a915 RV |
3705 | |
3706 | if ((rts_table == VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) || | |
3707 | (rts_table == | |
8424e00d JM |
3708 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) |
3709 | data1 = steer_data1; | |
40a3a915 | 3710 | |
8424e00d JM |
3711 | status = vxge_hw_vpath_fw_api(vp->vpath, action, rts_table, offset, |
3712 | &data0, &data1, &steer_ctrl); | |
40a3a915 RV |
3713 | exit: |
3714 | return status; | |
3715 | } | |
3716 | ||
3717 | /* | |
3718 | * vxge_hw_vpath_rts_rth_set - Set/configure RTS hashing. | |
3719 | */ | |
3720 | enum vxge_hw_status vxge_hw_vpath_rts_rth_set( | |
3721 | struct __vxge_hw_vpath_handle *vp, | |
3722 | enum vxge_hw_rth_algoritms algorithm, | |
3723 | struct vxge_hw_rth_hash_types *hash_type, | |
3724 | u16 bucket_size) | |
3725 | { | |
3726 | u64 data0, data1; | |
3727 | enum vxge_hw_status status = VXGE_HW_OK; | |
3728 | ||
3729 | if (vp == NULL) { | |
3730 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3731 | goto exit; | |
3732 | } | |
3733 | ||
3734 | status = __vxge_hw_vpath_rts_table_get(vp, | |
3735 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY, | |
3736 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_GEN_CFG, | |
3737 | 0, &data0, &data1); | |
47f01db4 JM |
3738 | if (status != VXGE_HW_OK) |
3739 | goto exit; | |
40a3a915 RV |
3740 | |
3741 | data0 &= ~(VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_BUCKET_SIZE(0xf) | | |
3742 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ALG_SEL(0x3)); | |
3743 | ||
3744 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_EN | | |
3745 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_BUCKET_SIZE(bucket_size) | | |
3746 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ALG_SEL(algorithm); | |
3747 | ||
3748 | if (hash_type->hash_type_tcpipv4_en) | |
3749 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV4_EN; | |
3750 | ||
3751 | if (hash_type->hash_type_ipv4_en) | |
3752 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV4_EN; | |
3753 | ||
3754 | if (hash_type->hash_type_tcpipv6_en) | |
3755 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV6_EN; | |
3756 | ||
3757 | if (hash_type->hash_type_ipv6_en) | |
3758 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV6_EN; | |
3759 | ||
3760 | if (hash_type->hash_type_tcpipv6ex_en) | |
3761 | data0 |= | |
3762 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV6_EX_EN; | |
3763 | ||
3764 | if (hash_type->hash_type_ipv6ex_en) | |
3765 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV6_EX_EN; | |
3766 | ||
3767 | if (VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_RTH_GEN_ACTIVE_TABLE(data0)) | |
3768 | data0 &= ~VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ACTIVE_TABLE; | |
3769 | else | |
3770 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ACTIVE_TABLE; | |
3771 | ||
3772 | status = __vxge_hw_vpath_rts_table_set(vp, | |
3773 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY, | |
3774 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_GEN_CFG, | |
3775 | 0, data0, 0); | |
3776 | exit: | |
3777 | return status; | |
3778 | } | |
3779 | ||
3780 | static void | |
3781 | vxge_hw_rts_rth_data0_data1_get(u32 j, u64 *data0, u64 *data1, | |
3782 | u16 flag, u8 *itable) | |
3783 | { | |
3784 | switch (flag) { | |
3785 | case 1: | |
3786 | *data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_BUCKET_NUM(j)| | |
3787 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_ENTRY_EN | | |
3788 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_BUCKET_DATA( | |
3789 | itable[j]); | |
3790 | case 2: | |
3791 | *data0 |= | |
3792 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_NUM(j)| | |
3793 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_ENTRY_EN | | |
3794 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_DATA( | |
3795 | itable[j]); | |
3796 | case 3: | |
3797 | *data1 = VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_NUM(j)| | |
3798 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_ENTRY_EN | | |
3799 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_DATA( | |
3800 | itable[j]); | |
3801 | case 4: | |
3802 | *data1 |= | |
3803 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_BUCKET_NUM(j)| | |
3804 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_ENTRY_EN | | |
3805 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_BUCKET_DATA( | |
3806 | itable[j]); | |
3807 | default: | |
3808 | return; | |
3809 | } | |
3810 | } | |
3811 | /* | |
3812 | * vxge_hw_vpath_rts_rth_itable_set - Set/configure indirection table (IT). | |
3813 | */ | |
3814 | enum vxge_hw_status vxge_hw_vpath_rts_rth_itable_set( | |
3815 | struct __vxge_hw_vpath_handle **vpath_handles, | |
3816 | u32 vpath_count, | |
3817 | u8 *mtable, | |
3818 | u8 *itable, | |
3819 | u32 itable_size) | |
3820 | { | |
3821 | u32 i, j, action, rts_table; | |
3822 | u64 data0; | |
3823 | u64 data1; | |
3824 | u32 max_entries; | |
3825 | enum vxge_hw_status status = VXGE_HW_OK; | |
3826 | struct __vxge_hw_vpath_handle *vp = vpath_handles[0]; | |
3827 | ||
3828 | if (vp == NULL) { | |
3829 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3830 | goto exit; | |
3831 | } | |
3832 | ||
3833 | max_entries = (((u32)1) << itable_size); | |
3834 | ||
3835 | if (vp->vpath->hldev->config.rth_it_type | |
3836 | == VXGE_HW_RTH_IT_TYPE_SOLO_IT) { | |
3837 | action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY; | |
3838 | rts_table = | |
3839 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT; | |
3840 | ||
3841 | for (j = 0; j < max_entries; j++) { | |
3842 | ||
3843 | data1 = 0; | |
3844 | ||
3845 | data0 = | |
3846 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_BUCKET_DATA( | |
3847 | itable[j]); | |
3848 | ||
3849 | status = __vxge_hw_vpath_rts_table_set(vpath_handles[0], | |
3850 | action, rts_table, j, data0, data1); | |
3851 | ||
3852 | if (status != VXGE_HW_OK) | |
3853 | goto exit; | |
3854 | } | |
3855 | ||
3856 | for (j = 0; j < max_entries; j++) { | |
3857 | ||
3858 | data1 = 0; | |
3859 | ||
3860 | data0 = | |
3861 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_ENTRY_EN | | |
3862 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_BUCKET_DATA( | |
3863 | itable[j]); | |
3864 | ||
3865 | status = __vxge_hw_vpath_rts_table_set( | |
3866 | vpath_handles[mtable[itable[j]]], action, | |
3867 | rts_table, j, data0, data1); | |
3868 | ||
3869 | if (status != VXGE_HW_OK) | |
3870 | goto exit; | |
3871 | } | |
3872 | } else { | |
3873 | action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY; | |
3874 | rts_table = | |
3875 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT; | |
3876 | for (i = 0; i < vpath_count; i++) { | |
3877 | ||
3878 | for (j = 0; j < max_entries;) { | |
3879 | ||
3880 | data0 = 0; | |
3881 | data1 = 0; | |
3882 | ||
3883 | while (j < max_entries) { | |
3884 | if (mtable[itable[j]] != i) { | |
3885 | j++; | |
3886 | continue; | |
3887 | } | |
3888 | vxge_hw_rts_rth_data0_data1_get(j, | |
3889 | &data0, &data1, 1, itable); | |
3890 | j++; | |
3891 | break; | |
3892 | } | |
3893 | ||
3894 | while (j < max_entries) { | |
3895 | if (mtable[itable[j]] != i) { | |
3896 | j++; | |
3897 | continue; | |
3898 | } | |
3899 | vxge_hw_rts_rth_data0_data1_get(j, | |
3900 | &data0, &data1, 2, itable); | |
3901 | j++; | |
3902 | break; | |
3903 | } | |
3904 | ||
3905 | while (j < max_entries) { | |
3906 | if (mtable[itable[j]] != i) { | |
3907 | j++; | |
3908 | continue; | |
3909 | } | |
3910 | vxge_hw_rts_rth_data0_data1_get(j, | |
3911 | &data0, &data1, 3, itable); | |
3912 | j++; | |
3913 | break; | |
3914 | } | |
3915 | ||
3916 | while (j < max_entries) { | |
3917 | if (mtable[itable[j]] != i) { | |
3918 | j++; | |
3919 | continue; | |
3920 | } | |
3921 | vxge_hw_rts_rth_data0_data1_get(j, | |
3922 | &data0, &data1, 4, itable); | |
3923 | j++; | |
3924 | break; | |
3925 | } | |
3926 | ||
3927 | if (data0 != 0) { | |
3928 | status = __vxge_hw_vpath_rts_table_set( | |
3929 | vpath_handles[i], | |
3930 | action, rts_table, | |
3931 | 0, data0, data1); | |
3932 | ||
3933 | if (status != VXGE_HW_OK) | |
3934 | goto exit; | |
3935 | } | |
3936 | } | |
3937 | } | |
3938 | } | |
3939 | exit: | |
3940 | return status; | |
3941 | } | |
3942 | ||
3943 | /** | |
3944 | * vxge_hw_vpath_check_leak - Check for memory leak | |
3945 | * @ringh: Handle to the ring object used for receive | |
3946 | * | |
3947 | * If PRC_RXD_DOORBELL_VPn.NEW_QW_CNT is larger or equal to | |
3948 | * PRC_CFG6_VPn.RXD_SPAT then a leak has occurred. | |
3949 | * Returns: VXGE_HW_FAIL, if leak has occurred. | |
3950 | * | |
3951 | */ | |
3952 | enum vxge_hw_status | |
3953 | vxge_hw_vpath_check_leak(struct __vxge_hw_ring *ring) | |
3954 | { | |
3955 | enum vxge_hw_status status = VXGE_HW_OK; | |
3956 | u64 rxd_new_count, rxd_spat; | |
3957 | ||
3958 | if (ring == NULL) | |
3959 | return status; | |
3960 | ||
3961 | rxd_new_count = readl(&ring->vp_reg->prc_rxd_doorbell); | |
3962 | rxd_spat = readq(&ring->vp_reg->prc_cfg6); | |
3963 | rxd_spat = VXGE_HW_PRC_CFG6_RXD_SPAT(rxd_spat); | |
3964 | ||
3965 | if (rxd_new_count >= rxd_spat) | |
3966 | status = VXGE_HW_FAIL; | |
3967 | ||
3968 | return status; | |
3969 | } | |
3970 | ||
3971 | /* | |
3972 | * __vxge_hw_vpath_mgmt_read | |
3973 | * This routine reads the vpath_mgmt registers | |
3974 | */ | |
3975 | static enum vxge_hw_status | |
3976 | __vxge_hw_vpath_mgmt_read( | |
3977 | struct __vxge_hw_device *hldev, | |
3978 | struct __vxge_hw_virtualpath *vpath) | |
3979 | { | |
3980 | u32 i, mtu = 0, max_pyld = 0; | |
3981 | u64 val64; | |
3982 | enum vxge_hw_status status = VXGE_HW_OK; | |
3983 | ||
3984 | for (i = 0; i < VXGE_HW_MAC_MAX_MAC_PORT_ID; i++) { | |
3985 | ||
3986 | val64 = readq(&vpath->vpmgmt_reg-> | |
3987 | rxmac_cfg0_port_vpmgmt_clone[i]); | |
3988 | max_pyld = | |
3989 | (u32) | |
3990 | VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_GET_MAX_PYLD_LEN | |
3991 | (val64); | |
3992 | if (mtu < max_pyld) | |
3993 | mtu = max_pyld; | |
3994 | } | |
3995 | ||
3996 | vpath->max_mtu = mtu + VXGE_HW_MAC_HEADER_MAX_SIZE; | |
3997 | ||
3998 | val64 = readq(&vpath->vpmgmt_reg->xmac_vsport_choices_vp); | |
3999 | ||
4000 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
4001 | if (val64 & vxge_mBIT(i)) | |
4002 | vpath->vsport_number = i; | |
4003 | } | |
4004 | ||
4005 | val64 = readq(&vpath->vpmgmt_reg->xgmac_gen_status_vpmgmt_clone); | |
4006 | ||
4007 | if (val64 & VXGE_HW_XGMAC_GEN_STATUS_VPMGMT_CLONE_XMACJ_NTWK_OK) | |
4008 | VXGE_HW_DEVICE_LINK_STATE_SET(vpath->hldev, VXGE_HW_LINK_UP); | |
4009 | else | |
4010 | VXGE_HW_DEVICE_LINK_STATE_SET(vpath->hldev, VXGE_HW_LINK_DOWN); | |
4011 | ||
4012 | return status; | |
4013 | } | |
4014 | ||
4015 | /* | |
4016 | * __vxge_hw_vpath_reset_check - Check if resetting the vpath completed | |
4017 | * This routine checks the vpath_rst_in_prog register to see if | |
4018 | * adapter completed the reset process for the vpath | |
4019 | */ | |
42821a5b | 4020 | static enum vxge_hw_status |
40a3a915 RV |
4021 | __vxge_hw_vpath_reset_check(struct __vxge_hw_virtualpath *vpath) |
4022 | { | |
4023 | enum vxge_hw_status status; | |
4024 | ||
4025 | status = __vxge_hw_device_register_poll( | |
4026 | &vpath->hldev->common_reg->vpath_rst_in_prog, | |
4027 | VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG( | |
4028 | 1 << (16 - vpath->vp_id)), | |
4029 | vpath->hldev->config.device_poll_millis); | |
4030 | ||
4031 | return status; | |
4032 | } | |
4033 | ||
4034 | /* | |
4035 | * __vxge_hw_vpath_reset | |
4036 | * This routine resets the vpath on the device | |
4037 | */ | |
42821a5b | 4038 | static enum vxge_hw_status |
40a3a915 RV |
4039 | __vxge_hw_vpath_reset(struct __vxge_hw_device *hldev, u32 vp_id) |
4040 | { | |
4041 | u64 val64; | |
4042 | enum vxge_hw_status status = VXGE_HW_OK; | |
4043 | ||
4044 | val64 = VXGE_HW_CMN_RSTHDLR_CFG0_SW_RESET_VPATH(1 << (16 - vp_id)); | |
4045 | ||
4046 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), | |
4047 | &hldev->common_reg->cmn_rsthdlr_cfg0); | |
4048 | ||
4049 | return status; | |
4050 | } | |
4051 | ||
4052 | /* | |
4053 | * __vxge_hw_vpath_sw_reset | |
4054 | * This routine resets the vpath structures | |
4055 | */ | |
42821a5b | 4056 | static enum vxge_hw_status |
40a3a915 RV |
4057 | __vxge_hw_vpath_sw_reset(struct __vxge_hw_device *hldev, u32 vp_id) |
4058 | { | |
4059 | enum vxge_hw_status status = VXGE_HW_OK; | |
4060 | struct __vxge_hw_virtualpath *vpath; | |
4061 | ||
64699336 | 4062 | vpath = &hldev->virtual_paths[vp_id]; |
40a3a915 RV |
4063 | |
4064 | if (vpath->ringh) { | |
4065 | status = __vxge_hw_ring_reset(vpath->ringh); | |
4066 | if (status != VXGE_HW_OK) | |
4067 | goto exit; | |
4068 | } | |
4069 | ||
4070 | if (vpath->fifoh) | |
4071 | status = __vxge_hw_fifo_reset(vpath->fifoh); | |
4072 | exit: | |
4073 | return status; | |
4074 | } | |
4075 | ||
4076 | /* | |
4077 | * __vxge_hw_vpath_prc_configure | |
4078 | * This routine configures the prc registers of virtual path using the config | |
4079 | * passed | |
4080 | */ | |
42821a5b | 4081 | static void |
40a3a915 RV |
4082 | __vxge_hw_vpath_prc_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
4083 | { | |
4084 | u64 val64; | |
4085 | struct __vxge_hw_virtualpath *vpath; | |
4086 | struct vxge_hw_vp_config *vp_config; | |
4087 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4088 | ||
4089 | vpath = &hldev->virtual_paths[vp_id]; | |
4090 | vp_reg = vpath->vp_reg; | |
4091 | vp_config = vpath->vp_config; | |
4092 | ||
4093 | if (vp_config->ring.enable == VXGE_HW_RING_DISABLE) | |
4094 | return; | |
4095 | ||
4096 | val64 = readq(&vp_reg->prc_cfg1); | |
4097 | val64 |= VXGE_HW_PRC_CFG1_RTI_TINT_DISABLE; | |
4098 | writeq(val64, &vp_reg->prc_cfg1); | |
4099 | ||
4100 | val64 = readq(&vpath->vp_reg->prc_cfg6); | |
4101 | val64 |= VXGE_HW_PRC_CFG6_DOORBELL_MODE_EN; | |
4102 | writeq(val64, &vpath->vp_reg->prc_cfg6); | |
4103 | ||
4104 | val64 = readq(&vp_reg->prc_cfg7); | |
4105 | ||
4106 | if (vpath->vp_config->ring.scatter_mode != | |
4107 | VXGE_HW_RING_SCATTER_MODE_USE_FLASH_DEFAULT) { | |
4108 | ||
4109 | val64 &= ~VXGE_HW_PRC_CFG7_SCATTER_MODE(0x3); | |
4110 | ||
4111 | switch (vpath->vp_config->ring.scatter_mode) { | |
4112 | case VXGE_HW_RING_SCATTER_MODE_A: | |
4113 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
4114 | VXGE_HW_PRC_CFG7_SCATTER_MODE_A); | |
4115 | break; | |
4116 | case VXGE_HW_RING_SCATTER_MODE_B: | |
4117 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
4118 | VXGE_HW_PRC_CFG7_SCATTER_MODE_B); | |
4119 | break; | |
4120 | case VXGE_HW_RING_SCATTER_MODE_C: | |
4121 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
4122 | VXGE_HW_PRC_CFG7_SCATTER_MODE_C); | |
4123 | break; | |
4124 | } | |
4125 | } | |
4126 | ||
4127 | writeq(val64, &vp_reg->prc_cfg7); | |
4128 | ||
4129 | writeq(VXGE_HW_PRC_CFG5_RXD0_ADD( | |
4130 | __vxge_hw_ring_first_block_address_get( | |
4131 | vpath->ringh) >> 3), &vp_reg->prc_cfg5); | |
4132 | ||
4133 | val64 = readq(&vp_reg->prc_cfg4); | |
4134 | val64 |= VXGE_HW_PRC_CFG4_IN_SVC; | |
4135 | val64 &= ~VXGE_HW_PRC_CFG4_RING_MODE(0x3); | |
4136 | ||
4137 | val64 |= VXGE_HW_PRC_CFG4_RING_MODE( | |
4138 | VXGE_HW_PRC_CFG4_RING_MODE_ONE_BUFFER); | |
4139 | ||
4140 | if (hldev->config.rth_en == VXGE_HW_RTH_DISABLE) | |
4141 | val64 |= VXGE_HW_PRC_CFG4_RTH_DISABLE; | |
4142 | else | |
4143 | val64 &= ~VXGE_HW_PRC_CFG4_RTH_DISABLE; | |
4144 | ||
4145 | writeq(val64, &vp_reg->prc_cfg4); | |
40a3a915 RV |
4146 | } |
4147 | ||
4148 | /* | |
4149 | * __vxge_hw_vpath_kdfc_configure | |
4150 | * This routine configures the kdfc registers of virtual path using the | |
4151 | * config passed | |
4152 | */ | |
42821a5b | 4153 | static enum vxge_hw_status |
40a3a915 RV |
4154 | __vxge_hw_vpath_kdfc_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
4155 | { | |
4156 | u64 val64; | |
4157 | u64 vpath_stride; | |
4158 | enum vxge_hw_status status = VXGE_HW_OK; | |
4159 | struct __vxge_hw_virtualpath *vpath; | |
4160 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4161 | ||
4162 | vpath = &hldev->virtual_paths[vp_id]; | |
4163 | vp_reg = vpath->vp_reg; | |
4164 | status = __vxge_hw_kdfc_swapper_set(hldev->legacy_reg, vp_reg); | |
4165 | ||
4166 | if (status != VXGE_HW_OK) | |
4167 | goto exit; | |
4168 | ||
4169 | val64 = readq(&vp_reg->kdfc_drbl_triplet_total); | |
4170 | ||
4171 | vpath->max_kdfc_db = | |
4172 | (u32)VXGE_HW_KDFC_DRBL_TRIPLET_TOTAL_GET_KDFC_MAX_SIZE( | |
4173 | val64+1)/2; | |
4174 | ||
4175 | if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
4176 | ||
4177 | vpath->max_nofl_db = vpath->max_kdfc_db; | |
4178 | ||
4179 | if (vpath->max_nofl_db < | |
4180 | ((vpath->vp_config->fifo.memblock_size / | |
4181 | (vpath->vp_config->fifo.max_frags * | |
4182 | sizeof(struct vxge_hw_fifo_txd))) * | |
4183 | vpath->vp_config->fifo.fifo_blocks)) { | |
4184 | ||
4185 | return VXGE_HW_BADCFG_FIFO_BLOCKS; | |
4186 | } | |
4187 | val64 = VXGE_HW_KDFC_FIFO_TRPL_PARTITION_LENGTH_0( | |
4188 | (vpath->max_nofl_db*2)-1); | |
4189 | } | |
4190 | ||
4191 | writeq(val64, &vp_reg->kdfc_fifo_trpl_partition); | |
4192 | ||
4193 | writeq(VXGE_HW_KDFC_FIFO_TRPL_CTRL_TRIPLET_ENABLE, | |
4194 | &vp_reg->kdfc_fifo_trpl_ctrl); | |
4195 | ||
4196 | val64 = readq(&vp_reg->kdfc_trpl_fifo_0_ctrl); | |
4197 | ||
4198 | val64 &= ~(VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE(0x3) | | |
4199 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SELECT(0xFF)); | |
4200 | ||
4201 | val64 |= VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE( | |
4202 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE_NON_OFFLOAD_ONLY) | | |
4203 | #ifndef __BIG_ENDIAN | |
4204 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SWAP_EN | | |
4205 | #endif | |
4206 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SELECT(0); | |
4207 | ||
4208 | writeq(val64, &vp_reg->kdfc_trpl_fifo_0_ctrl); | |
4209 | writeq((u64)0, &vp_reg->kdfc_trpl_fifo_0_wb_address); | |
4210 | wmb(); | |
4211 | vpath_stride = readq(&hldev->toc_reg->toc_kdfc_vpath_stride); | |
4212 | ||
4213 | vpath->nofl_db = | |
4214 | (struct __vxge_hw_non_offload_db_wrapper __iomem *) | |
4215 | (hldev->kdfc + (vp_id * | |
4216 | VXGE_HW_TOC_KDFC_VPATH_STRIDE_GET_TOC_KDFC_VPATH_STRIDE( | |
4217 | vpath_stride))); | |
4218 | exit: | |
4219 | return status; | |
4220 | } | |
4221 | ||
4222 | /* | |
4223 | * __vxge_hw_vpath_mac_configure | |
4224 | * This routine configures the mac of virtual path using the config passed | |
4225 | */ | |
42821a5b | 4226 | static enum vxge_hw_status |
40a3a915 RV |
4227 | __vxge_hw_vpath_mac_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
4228 | { | |
4229 | u64 val64; | |
4230 | enum vxge_hw_status status = VXGE_HW_OK; | |
4231 | struct __vxge_hw_virtualpath *vpath; | |
4232 | struct vxge_hw_vp_config *vp_config; | |
4233 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4234 | ||
4235 | vpath = &hldev->virtual_paths[vp_id]; | |
4236 | vp_reg = vpath->vp_reg; | |
4237 | vp_config = vpath->vp_config; | |
4238 | ||
4239 | writeq(VXGE_HW_XMAC_VSPORT_CHOICE_VSPORT_NUMBER( | |
4240 | vpath->vsport_number), &vp_reg->xmac_vsport_choice); | |
4241 | ||
4242 | if (vp_config->ring.enable == VXGE_HW_RING_ENABLE) { | |
4243 | ||
4244 | val64 = readq(&vp_reg->xmac_rpa_vcfg); | |
4245 | ||
4246 | if (vp_config->rpa_strip_vlan_tag != | |
4247 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) { | |
4248 | if (vp_config->rpa_strip_vlan_tag) | |
4249 | val64 |= VXGE_HW_XMAC_RPA_VCFG_STRIP_VLAN_TAG; | |
4250 | else | |
4251 | val64 &= ~VXGE_HW_XMAC_RPA_VCFG_STRIP_VLAN_TAG; | |
4252 | } | |
4253 | ||
4254 | writeq(val64, &vp_reg->xmac_rpa_vcfg); | |
4255 | val64 = readq(&vp_reg->rxmac_vcfg0); | |
4256 | ||
4257 | if (vp_config->mtu != | |
4258 | VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) { | |
4259 | val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); | |
4260 | if ((vp_config->mtu + | |
4261 | VXGE_HW_MAC_HEADER_MAX_SIZE) < vpath->max_mtu) | |
4262 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN( | |
4263 | vp_config->mtu + | |
4264 | VXGE_HW_MAC_HEADER_MAX_SIZE); | |
4265 | else | |
4266 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN( | |
4267 | vpath->max_mtu); | |
4268 | } | |
4269 | ||
4270 | writeq(val64, &vp_reg->rxmac_vcfg0); | |
4271 | ||
4272 | val64 = readq(&vp_reg->rxmac_vcfg1); | |
4273 | ||
4274 | val64 &= ~(VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_BD_MODE(0x3) | | |
4275 | VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_EN_MODE); | |
4276 | ||
4277 | if (hldev->config.rth_it_type == | |
4278 | VXGE_HW_RTH_IT_TYPE_MULTI_IT) { | |
4279 | val64 |= VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_BD_MODE( | |
4280 | 0x2) | | |
4281 | VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_EN_MODE; | |
4282 | } | |
4283 | ||
4284 | writeq(val64, &vp_reg->rxmac_vcfg1); | |
4285 | } | |
4286 | return status; | |
4287 | } | |
4288 | ||
4289 | /* | |
4290 | * __vxge_hw_vpath_tim_configure | |
4291 | * This routine configures the tim registers of virtual path using the config | |
4292 | * passed | |
4293 | */ | |
42821a5b | 4294 | static enum vxge_hw_status |
40a3a915 RV |
4295 | __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
4296 | { | |
4297 | u64 val64; | |
4298 | enum vxge_hw_status status = VXGE_HW_OK; | |
4299 | struct __vxge_hw_virtualpath *vpath; | |
4300 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4301 | struct vxge_hw_vp_config *config; | |
4302 | ||
4303 | vpath = &hldev->virtual_paths[vp_id]; | |
4304 | vp_reg = vpath->vp_reg; | |
4305 | config = vpath->vp_config; | |
4306 | ||
528f7272 JM |
4307 | writeq(0, &vp_reg->tim_dest_addr); |
4308 | writeq(0, &vp_reg->tim_vpath_map); | |
4309 | writeq(0, &vp_reg->tim_bitmap); | |
4310 | writeq(0, &vp_reg->tim_remap); | |
40a3a915 RV |
4311 | |
4312 | if (config->ring.enable == VXGE_HW_RING_ENABLE) | |
4313 | writeq(VXGE_HW_TIM_RING_ASSN_INT_NUM( | |
4314 | (vp_id * VXGE_HW_MAX_INTR_PER_VP) + | |
4315 | VXGE_HW_VPATH_INTR_RX), &vp_reg->tim_ring_assn); | |
4316 | ||
4317 | val64 = readq(&vp_reg->tim_pci_cfg); | |
4318 | val64 |= VXGE_HW_TIM_PCI_CFG_ADD_PAD; | |
4319 | writeq(val64, &vp_reg->tim_pci_cfg); | |
4320 | ||
4321 | if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
4322 | ||
4323 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
4324 | ||
4325 | if (config->tti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
4326 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
4327 | 0x3ffffff); | |
4328 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
4329 | config->tti.btimer_val); | |
4330 | } | |
4331 | ||
4332 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; | |
4333 | ||
4334 | if (config->tti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
4335 | if (config->tti.timer_ac_en) | |
4336 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
4337 | else | |
4338 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
4339 | } | |
4340 | ||
4341 | if (config->tti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
4342 | if (config->tti.timer_ci_en) | |
4343 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
4344 | else | |
4345 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
4346 | } | |
4347 | ||
4348 | if (config->tti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
4349 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); | |
4350 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( | |
4351 | config->tti.urange_a); | |
4352 | } | |
4353 | ||
4354 | if (config->tti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
4355 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); | |
4356 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( | |
4357 | config->tti.urange_b); | |
4358 | } | |
4359 | ||
4360 | if (config->tti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
4361 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); | |
4362 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( | |
4363 | config->tti.urange_c); | |
4364 | } | |
4365 | ||
4366 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
16fded7d JM |
4367 | vpath->tim_tti_cfg1_saved = val64; |
4368 | ||
40a3a915 RV |
4369 | val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_TX]); |
4370 | ||
4371 | if (config->tti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
4372 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); | |
4373 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( | |
4374 | config->tti.uec_a); | |
4375 | } | |
4376 | ||
4377 | if (config->tti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
4378 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); | |
4379 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( | |
4380 | config->tti.uec_b); | |
4381 | } | |
4382 | ||
4383 | if (config->tti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
4384 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); | |
4385 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( | |
4386 | config->tti.uec_c); | |
4387 | } | |
4388 | ||
4389 | if (config->tti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { | |
4390 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); | |
4391 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( | |
4392 | config->tti.uec_d); | |
4393 | } | |
4394 | ||
4395 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_TX]); | |
4396 | val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); | |
4397 | ||
4398 | if (config->tti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
4399 | if (config->tti.timer_ri_en) | |
4400 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
4401 | else | |
4402 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
4403 | } | |
4404 | ||
4405 | if (config->tti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
4406 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
4407 | 0x3ffffff); | |
4408 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
4409 | config->tti.rtimer_val); | |
4410 | } | |
4411 | ||
4412 | if (config->tti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { | |
4413 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); | |
b55e7b15 | 4414 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(vp_id); |
40a3a915 RV |
4415 | } |
4416 | ||
4417 | if (config->tti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
4418 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
4419 | 0x3ffffff); | |
4420 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
4421 | config->tti.ltimer_val); | |
4422 | } | |
4423 | ||
528f7272 | 4424 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); |
16fded7d | 4425 | vpath->tim_tti_cfg3_saved = val64; |
528f7272 | 4426 | } |
40a3a915 | 4427 | |
528f7272 | 4428 | if (config->ring.enable == VXGE_HW_RING_ENABLE) { |
40a3a915 | 4429 | |
528f7272 | 4430 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); |
40a3a915 | 4431 | |
528f7272 JM |
4432 | if (config->rti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { |
4433 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
4434 | 0x3ffffff); | |
4435 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
4436 | config->rti.btimer_val); | |
4437 | } | |
40a3a915 | 4438 | |
528f7272 | 4439 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; |
40a3a915 | 4440 | |
528f7272 JM |
4441 | if (config->rti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { |
4442 | if (config->rti.timer_ac_en) | |
4443 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
4444 | else | |
4445 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
4446 | } | |
40a3a915 | 4447 | |
528f7272 JM |
4448 | if (config->rti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { |
4449 | if (config->rti.timer_ci_en) | |
4450 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
4451 | else | |
4452 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
4453 | } | |
40a3a915 | 4454 | |
528f7272 JM |
4455 | if (config->rti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { |
4456 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); | |
4457 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( | |
4458 | config->rti.urange_a); | |
4459 | } | |
40a3a915 | 4460 | |
528f7272 JM |
4461 | if (config->rti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { |
4462 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); | |
4463 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( | |
4464 | config->rti.urange_b); | |
4465 | } | |
40a3a915 | 4466 | |
528f7272 JM |
4467 | if (config->rti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { |
4468 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); | |
4469 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( | |
4470 | config->rti.urange_c); | |
4471 | } | |
40a3a915 | 4472 | |
528f7272 | 4473 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); |
16fded7d JM |
4474 | vpath->tim_rti_cfg1_saved = val64; |
4475 | ||
528f7272 | 4476 | val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); |
40a3a915 | 4477 | |
528f7272 JM |
4478 | if (config->rti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { |
4479 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); | |
4480 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( | |
4481 | config->rti.uec_a); | |
4482 | } | |
40a3a915 | 4483 | |
528f7272 JM |
4484 | if (config->rti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { |
4485 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); | |
4486 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( | |
4487 | config->rti.uec_b); | |
4488 | } | |
40a3a915 | 4489 | |
528f7272 JM |
4490 | if (config->rti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { |
4491 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); | |
4492 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( | |
4493 | config->rti.uec_c); | |
4494 | } | |
40a3a915 | 4495 | |
528f7272 JM |
4496 | if (config->rti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { |
4497 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); | |
4498 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( | |
4499 | config->rti.uec_d); | |
4500 | } | |
40a3a915 | 4501 | |
528f7272 JM |
4502 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); |
4503 | val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); | |
40a3a915 | 4504 | |
528f7272 JM |
4505 | if (config->rti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { |
4506 | if (config->rti.timer_ri_en) | |
4507 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
4508 | else | |
4509 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
4510 | } | |
40a3a915 | 4511 | |
528f7272 JM |
4512 | if (config->rti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { |
4513 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
4514 | 0x3ffffff); | |
4515 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
4516 | config->rti.rtimer_val); | |
4517 | } | |
40a3a915 | 4518 | |
528f7272 JM |
4519 | if (config->rti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { |
4520 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); | |
b55e7b15 | 4521 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(vp_id); |
528f7272 | 4522 | } |
40a3a915 | 4523 | |
528f7272 JM |
4524 | if (config->rti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { |
4525 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
4526 | 0x3ffffff); | |
4527 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
4528 | config->rti.ltimer_val); | |
4529 | } | |
40a3a915 | 4530 | |
528f7272 | 4531 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); |
16fded7d | 4532 | vpath->tim_rti_cfg3_saved = val64; |
40a3a915 RV |
4533 | } |
4534 | ||
528f7272 JM |
4535 | val64 = 0; |
4536 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
4537 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
4538 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
4539 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
4540 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
4541 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
4542 | ||
b55e7b15 JM |
4543 | val64 = VXGE_HW_TIM_WRKLD_CLC_WRKLD_EVAL_PRD(150); |
4544 | val64 |= VXGE_HW_TIM_WRKLD_CLC_WRKLD_EVAL_DIV(0); | |
4545 | val64 |= VXGE_HW_TIM_WRKLD_CLC_CNT_RX_TX(3); | |
4546 | writeq(val64, &vp_reg->tim_wrkld_clc); | |
4547 | ||
40a3a915 RV |
4548 | return status; |
4549 | } | |
4550 | ||
40a3a915 | 4551 | /* |
528f7272 JM |
4552 | * __vxge_hw_vpath_initialize |
4553 | * This routine is the final phase of init which initializes the | |
4554 | * registers of the vpath using the configuration passed. | |
40a3a915 | 4555 | */ |
42821a5b | 4556 | static enum vxge_hw_status |
528f7272 | 4557 | __vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id) |
40a3a915 RV |
4558 | { |
4559 | u64 val64; | |
528f7272 | 4560 | u32 val32; |
40a3a915 | 4561 | enum vxge_hw_status status = VXGE_HW_OK; |
528f7272 | 4562 | struct __vxge_hw_virtualpath *vpath; |
40a3a915 RV |
4563 | struct vxge_hw_vpath_reg __iomem *vp_reg; |
4564 | ||
528f7272 JM |
4565 | vpath = &hldev->virtual_paths[vp_id]; |
4566 | ||
4567 | if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { | |
4568 | status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; | |
40a3a915 RV |
4569 | goto exit; |
4570 | } | |
4571 | vp_reg = vpath->vp_reg; | |
4572 | ||
528f7272 JM |
4573 | status = __vxge_hw_vpath_swapper_set(vpath->vp_reg); |
4574 | if (status != VXGE_HW_OK) | |
4575 | goto exit; | |
40a3a915 | 4576 | |
528f7272 JM |
4577 | status = __vxge_hw_vpath_mac_configure(hldev, vp_id); |
4578 | if (status != VXGE_HW_OK) | |
4579 | goto exit; | |
40a3a915 | 4580 | |
528f7272 JM |
4581 | status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id); |
4582 | if (status != VXGE_HW_OK) | |
4583 | goto exit; | |
40a3a915 | 4584 | |
528f7272 JM |
4585 | status = __vxge_hw_vpath_tim_configure(hldev, vp_id); |
4586 | if (status != VXGE_HW_OK) | |
4587 | goto exit; | |
40a3a915 | 4588 | |
528f7272 | 4589 | val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl); |
40a3a915 | 4590 | |
528f7272 JM |
4591 | /* Get MRRS value from device control */ |
4592 | status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32); | |
4593 | if (status == VXGE_HW_OK) { | |
4594 | val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12; | |
4595 | val64 &= | |
4596 | ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(7)); | |
4597 | val64 |= | |
4598 | VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(val32); | |
40a3a915 | 4599 | |
528f7272 JM |
4600 | val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_WAIT_FOR_SPACE; |
4601 | } | |
40a3a915 | 4602 | |
528f7272 JM |
4603 | val64 &= ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(7)); |
4604 | val64 |= | |
4605 | VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY( | |
4606 | VXGE_HW_MAX_PAYLOAD_SIZE_512); | |
40a3a915 | 4607 | |
528f7272 JM |
4608 | val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY_EN; |
4609 | writeq(val64, &vp_reg->rtdma_rd_optimization_ctrl); | |
40a3a915 | 4610 | |
528f7272 JM |
4611 | exit: |
4612 | return status; | |
4613 | } | |
40a3a915 | 4614 | |
528f7272 JM |
4615 | /* |
4616 | * __vxge_hw_vp_terminate - Terminate Virtual Path structure | |
4617 | * This routine closes all channels it opened and freeup memory | |
4618 | */ | |
4619 | static void __vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id) | |
4620 | { | |
4621 | struct __vxge_hw_virtualpath *vpath; | |
40a3a915 | 4622 | |
528f7272 | 4623 | vpath = &hldev->virtual_paths[vp_id]; |
40a3a915 | 4624 | |
528f7272 | 4625 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) |
40a3a915 RV |
4626 | goto exit; |
4627 | ||
528f7272 JM |
4628 | VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0, |
4629 | vpath->hldev->tim_int_mask1, vpath->vp_id); | |
4630 | hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL; | |
40a3a915 | 4631 | |
9f9b1645 JM |
4632 | /* If the whole struct __vxge_hw_virtualpath is zeroed, nothing will |
4633 | * work after the interface is brought down. | |
4634 | */ | |
4635 | spin_lock(&vpath->lock); | |
4636 | vpath->vp_open = VXGE_HW_VP_NOT_OPEN; | |
4637 | spin_unlock(&vpath->lock); | |
4638 | ||
4639 | vpath->vpmgmt_reg = NULL; | |
4640 | vpath->nofl_db = NULL; | |
4641 | vpath->max_mtu = 0; | |
4642 | vpath->vsport_number = 0; | |
4643 | vpath->max_kdfc_db = 0; | |
4644 | vpath->max_nofl_db = 0; | |
4645 | vpath->ringh = NULL; | |
4646 | vpath->fifoh = NULL; | |
4647 | memset(&vpath->vpath_handles, 0, sizeof(struct list_head)); | |
4648 | vpath->stats_block = 0; | |
4649 | vpath->hw_stats = NULL; | |
4650 | vpath->hw_stats_sav = NULL; | |
4651 | vpath->sw_stats = NULL; | |
4652 | ||
528f7272 JM |
4653 | exit: |
4654 | return; | |
4655 | } | |
40a3a915 | 4656 | |
528f7272 JM |
4657 | /* |
4658 | * __vxge_hw_vp_initialize - Initialize Virtual Path structure | |
4659 | * This routine is the initial phase of init which resets the vpath and | |
4660 | * initializes the software support structures. | |
4661 | */ | |
4662 | static enum vxge_hw_status | |
4663 | __vxge_hw_vp_initialize(struct __vxge_hw_device *hldev, u32 vp_id, | |
4664 | struct vxge_hw_vp_config *config) | |
4665 | { | |
4666 | struct __vxge_hw_virtualpath *vpath; | |
4667 | enum vxge_hw_status status = VXGE_HW_OK; | |
40a3a915 | 4668 | |
528f7272 JM |
4669 | if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { |
4670 | status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; | |
4671 | goto exit; | |
4672 | } | |
40a3a915 | 4673 | |
528f7272 | 4674 | vpath = &hldev->virtual_paths[vp_id]; |
40a3a915 | 4675 | |
9f9b1645 | 4676 | spin_lock_init(&vpath->lock); |
528f7272 JM |
4677 | vpath->vp_id = vp_id; |
4678 | vpath->vp_open = VXGE_HW_VP_OPEN; | |
4679 | vpath->hldev = hldev; | |
4680 | vpath->vp_config = config; | |
4681 | vpath->vp_reg = hldev->vpath_reg[vp_id]; | |
4682 | vpath->vpmgmt_reg = hldev->vpmgmt_reg[vp_id]; | |
40a3a915 | 4683 | |
528f7272 | 4684 | __vxge_hw_vpath_reset(hldev, vp_id); |
40a3a915 | 4685 | |
528f7272 JM |
4686 | status = __vxge_hw_vpath_reset_check(vpath); |
4687 | if (status != VXGE_HW_OK) { | |
4688 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4689 | goto exit; | |
4690 | } | |
40a3a915 | 4691 | |
528f7272 JM |
4692 | status = __vxge_hw_vpath_mgmt_read(hldev, vpath); |
4693 | if (status != VXGE_HW_OK) { | |
4694 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4695 | goto exit; | |
4696 | } | |
40a3a915 | 4697 | |
528f7272 | 4698 | INIT_LIST_HEAD(&vpath->vpath_handles); |
40a3a915 | 4699 | |
528f7272 | 4700 | vpath->sw_stats = &hldev->stats.sw_dev_info_stats.vpath_info[vp_id]; |
40a3a915 | 4701 | |
528f7272 JM |
4702 | VXGE_HW_DEVICE_TIM_INT_MASK_SET(hldev->tim_int_mask0, |
4703 | hldev->tim_int_mask1, vp_id); | |
40a3a915 | 4704 | |
528f7272 JM |
4705 | status = __vxge_hw_vpath_initialize(hldev, vp_id); |
4706 | if (status != VXGE_HW_OK) | |
4707 | __vxge_hw_vp_terminate(hldev, vp_id); | |
40a3a915 RV |
4708 | exit: |
4709 | return status; | |
4710 | } | |
4711 | ||
528f7272 JM |
4712 | /* |
4713 | * vxge_hw_vpath_mtu_set - Set MTU. | |
4714 | * Set new MTU value. Example, to use jumbo frames: | |
4715 | * vxge_hw_vpath_mtu_set(my_device, 9600); | |
4716 | */ | |
4717 | enum vxge_hw_status | |
4718 | vxge_hw_vpath_mtu_set(struct __vxge_hw_vpath_handle *vp, u32 new_mtu) | |
42821a5b | 4719 | { |
528f7272 JM |
4720 | u64 val64; |
4721 | enum vxge_hw_status status = VXGE_HW_OK; | |
4722 | struct __vxge_hw_virtualpath *vpath; | |
42821a5b | 4723 | |
528f7272 JM |
4724 | if (vp == NULL) { |
4725 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
4726 | goto exit; | |
4727 | } | |
4728 | vpath = vp->vpath; | |
42821a5b | 4729 | |
528f7272 | 4730 | new_mtu += VXGE_HW_MAC_HEADER_MAX_SIZE; |
42821a5b | 4731 | |
528f7272 JM |
4732 | if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > vpath->max_mtu)) |
4733 | status = VXGE_HW_ERR_INVALID_MTU_SIZE; | |
42821a5b | 4734 | |
528f7272 JM |
4735 | val64 = readq(&vpath->vp_reg->rxmac_vcfg0); |
4736 | ||
4737 | val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); | |
4738 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(new_mtu); | |
4739 | ||
4740 | writeq(val64, &vpath->vp_reg->rxmac_vcfg0); | |
4741 | ||
4742 | vpath->vp_config->mtu = new_mtu - VXGE_HW_MAC_HEADER_MAX_SIZE; | |
4743 | ||
4744 | exit: | |
4745 | return status; | |
42821a5b | 4746 | } |
4747 | ||
40a3a915 | 4748 | /* |
528f7272 JM |
4749 | * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics. |
4750 | * Enable the DMA vpath statistics. The function is to be called to re-enable | |
4751 | * the adapter to update stats into the host memory | |
40a3a915 | 4752 | */ |
2c91308f | 4753 | static enum vxge_hw_status |
528f7272 | 4754 | vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp) |
40a3a915 | 4755 | { |
40a3a915 | 4756 | enum vxge_hw_status status = VXGE_HW_OK; |
528f7272 | 4757 | struct __vxge_hw_virtualpath *vpath; |
40a3a915 | 4758 | |
528f7272 | 4759 | vpath = vp->vpath; |
40a3a915 | 4760 | |
528f7272 JM |
4761 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { |
4762 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4763 | goto exit; | |
40a3a915 RV |
4764 | } |
4765 | ||
528f7272 JM |
4766 | memcpy(vpath->hw_stats_sav, vpath->hw_stats, |
4767 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
40a3a915 | 4768 | |
528f7272 JM |
4769 | status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats); |
4770 | exit: | |
4771 | return status; | |
4772 | } | |
40a3a915 | 4773 | |
528f7272 JM |
4774 | /* |
4775 | * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool | |
4776 | * This function allocates a block from block pool or from the system | |
4777 | */ | |
4778 | static struct __vxge_hw_blockpool_entry * | |
4779 | __vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size) | |
4780 | { | |
4781 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
4782 | struct __vxge_hw_blockpool *blockpool; | |
40a3a915 | 4783 | |
528f7272 | 4784 | blockpool = &devh->block_pool; |
40a3a915 | 4785 | |
528f7272 | 4786 | if (size == blockpool->block_size) { |
40a3a915 | 4787 | |
528f7272 | 4788 | if (!list_empty(&blockpool->free_block_list)) |
40a3a915 | 4789 | entry = (struct __vxge_hw_blockpool_entry *) |
528f7272 | 4790 | list_first_entry(&blockpool->free_block_list, |
40a3a915 RV |
4791 | struct __vxge_hw_blockpool_entry, |
4792 | item); | |
4793 | ||
40a3a915 RV |
4794 | if (entry != NULL) { |
4795 | list_del(&entry->item); | |
528f7272 | 4796 | blockpool->pool_size--; |
40a3a915 RV |
4797 | } |
4798 | } | |
4799 | ||
528f7272 JM |
4800 | if (entry != NULL) |
4801 | __vxge_hw_blockpool_blocks_add(blockpool); | |
4802 | ||
4803 | return entry; | |
40a3a915 RV |
4804 | } |
4805 | ||
4806 | /* | |
528f7272 JM |
4807 | * vxge_hw_vpath_open - Open a virtual path on a given adapter |
4808 | * This function is used to open access to virtual path of an | |
4809 | * adapter for offload, GRO operations. This function returns | |
4810 | * synchronously. | |
40a3a915 | 4811 | */ |
528f7272 JM |
4812 | enum vxge_hw_status |
4813 | vxge_hw_vpath_open(struct __vxge_hw_device *hldev, | |
4814 | struct vxge_hw_vpath_attr *attr, | |
4815 | struct __vxge_hw_vpath_handle **vpath_handle) | |
40a3a915 | 4816 | { |
528f7272 JM |
4817 | struct __vxge_hw_virtualpath *vpath; |
4818 | struct __vxge_hw_vpath_handle *vp; | |
4819 | enum vxge_hw_status status; | |
40a3a915 | 4820 | |
528f7272 | 4821 | vpath = &hldev->virtual_paths[attr->vp_id]; |
40a3a915 | 4822 | |
528f7272 JM |
4823 | if (vpath->vp_open == VXGE_HW_VP_OPEN) { |
4824 | status = VXGE_HW_ERR_INVALID_STATE; | |
4825 | goto vpath_open_exit1; | |
40a3a915 RV |
4826 | } |
4827 | ||
528f7272 JM |
4828 | status = __vxge_hw_vp_initialize(hldev, attr->vp_id, |
4829 | &hldev->config.vp_config[attr->vp_id]); | |
4830 | if (status != VXGE_HW_OK) | |
4831 | goto vpath_open_exit1; | |
40a3a915 | 4832 | |
528f7272 JM |
4833 | vp = vzalloc(sizeof(struct __vxge_hw_vpath_handle)); |
4834 | if (vp == NULL) { | |
4835 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4836 | goto vpath_open_exit2; | |
4837 | } | |
40a3a915 | 4838 | |
528f7272 | 4839 | vp->vpath = vpath; |
40a3a915 | 4840 | |
528f7272 JM |
4841 | if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { |
4842 | status = __vxge_hw_fifo_create(vp, &attr->fifo_attr); | |
4843 | if (status != VXGE_HW_OK) | |
4844 | goto vpath_open_exit6; | |
40a3a915 RV |
4845 | } |
4846 | ||
528f7272 JM |
4847 | if (vpath->vp_config->ring.enable == VXGE_HW_RING_ENABLE) { |
4848 | status = __vxge_hw_ring_create(vp, &attr->ring_attr); | |
4849 | if (status != VXGE_HW_OK) | |
4850 | goto vpath_open_exit7; | |
4851 | ||
4852 | __vxge_hw_vpath_prc_configure(hldev, attr->vp_id); | |
40a3a915 | 4853 | } |
40a3a915 | 4854 | |
528f7272 JM |
4855 | vpath->fifoh->tx_intr_num = |
4856 | (attr->vp_id * VXGE_HW_MAX_INTR_PER_VP) + | |
4857 | VXGE_HW_VPATH_INTR_TX; | |
40a3a915 | 4858 | |
528f7272 JM |
4859 | vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev, |
4860 | VXGE_HW_BLOCK_SIZE); | |
4861 | if (vpath->stats_block == NULL) { | |
4862 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4863 | goto vpath_open_exit8; | |
40a3a915 RV |
4864 | } |
4865 | ||
43d620c8 | 4866 | vpath->hw_stats = vpath->stats_block->memblock; |
528f7272 JM |
4867 | memset(vpath->hw_stats, 0, |
4868 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
40a3a915 | 4869 | |
528f7272 JM |
4870 | hldev->stats.hw_dev_info_stats.vpath_info[attr->vp_id] = |
4871 | vpath->hw_stats; | |
40a3a915 | 4872 | |
528f7272 JM |
4873 | vpath->hw_stats_sav = |
4874 | &hldev->stats.hw_dev_info_stats.vpath_info_sav[attr->vp_id]; | |
4875 | memset(vpath->hw_stats_sav, 0, | |
4876 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
40a3a915 | 4877 | |
528f7272 | 4878 | writeq(vpath->stats_block->dma_addr, &vpath->vp_reg->stats_cfg); |
40a3a915 | 4879 | |
528f7272 JM |
4880 | status = vxge_hw_vpath_stats_enable(vp); |
4881 | if (status != VXGE_HW_OK) | |
4882 | goto vpath_open_exit8; | |
40a3a915 | 4883 | |
528f7272 | 4884 | list_add(&vp->item, &vpath->vpath_handles); |
40a3a915 | 4885 | |
528f7272 | 4886 | hldev->vpaths_deployed |= vxge_mBIT(vpath->vp_id); |
40a3a915 | 4887 | |
528f7272 | 4888 | *vpath_handle = vp; |
40a3a915 | 4889 | |
528f7272 JM |
4890 | attr->fifo_attr.userdata = vpath->fifoh; |
4891 | attr->ring_attr.userdata = vpath->ringh; | |
40a3a915 | 4892 | |
528f7272 JM |
4893 | return VXGE_HW_OK; |
4894 | ||
4895 | vpath_open_exit8: | |
4896 | if (vpath->ringh != NULL) | |
4897 | __vxge_hw_ring_delete(vp); | |
4898 | vpath_open_exit7: | |
4899 | if (vpath->fifoh != NULL) | |
4900 | __vxge_hw_fifo_delete(vp); | |
4901 | vpath_open_exit6: | |
4902 | vfree(vp); | |
4903 | vpath_open_exit2: | |
4904 | __vxge_hw_vp_terminate(hldev, attr->vp_id); | |
4905 | vpath_open_exit1: | |
4906 | ||
4907 | return status; | |
40a3a915 RV |
4908 | } |
4909 | ||
528f7272 JM |
4910 | /** |
4911 | * vxge_hw_vpath_rx_doorbell_post - Close the handle got from previous vpath | |
4912 | * (vpath) open | |
4913 | * @vp: Handle got from previous vpath open | |
4914 | * | |
4915 | * This function is used to close access to virtual path opened | |
4916 | * earlier. | |
40a3a915 | 4917 | */ |
528f7272 | 4918 | void vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp) |
40a3a915 | 4919 | { |
528f7272 JM |
4920 | struct __vxge_hw_virtualpath *vpath = vp->vpath; |
4921 | struct __vxge_hw_ring *ring = vpath->ringh; | |
4922 | struct vxgedev *vdev = netdev_priv(vpath->hldev->ndev); | |
4923 | u64 new_count, val64, val164; | |
40a3a915 | 4924 | |
528f7272 JM |
4925 | if (vdev->titan1) { |
4926 | new_count = readq(&vpath->vp_reg->rxdmem_size); | |
4927 | new_count &= 0x1fff; | |
4928 | } else | |
4929 | new_count = ring->config->ring_blocks * VXGE_HW_BLOCK_SIZE / 8; | |
40a3a915 | 4930 | |
528f7272 | 4931 | val164 = VXGE_HW_RXDMEM_SIZE_PRC_RXDMEM_SIZE(new_count); |
40a3a915 | 4932 | |
528f7272 JM |
4933 | writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(val164), |
4934 | &vpath->vp_reg->prc_rxd_doorbell); | |
4935 | readl(&vpath->vp_reg->prc_rxd_doorbell); | |
40a3a915 | 4936 | |
528f7272 JM |
4937 | val164 /= 2; |
4938 | val64 = readq(&vpath->vp_reg->prc_cfg6); | |
4939 | val64 = VXGE_HW_PRC_CFG6_RXD_SPAT(val64); | |
4940 | val64 &= 0x1ff; | |
40a3a915 | 4941 | |
528f7272 JM |
4942 | /* |
4943 | * Each RxD is of 4 qwords | |
4944 | */ | |
4945 | new_count -= (val64 + 1); | |
4946 | val64 = min(val164, new_count) / 4; | |
40a3a915 | 4947 | |
528f7272 JM |
4948 | ring->rxds_limit = min(ring->rxds_limit, val64); |
4949 | if (ring->rxds_limit < 4) | |
4950 | ring->rxds_limit = 4; | |
4951 | } | |
40a3a915 | 4952 | |
528f7272 JM |
4953 | /* |
4954 | * __vxge_hw_blockpool_block_free - Frees a block from block pool | |
4955 | * @devh: Hal device | |
4956 | * @entry: Entry of block to be freed | |
4957 | * | |
4958 | * This function frees a block from block pool | |
4959 | */ | |
4960 | static void | |
4961 | __vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh, | |
4962 | struct __vxge_hw_blockpool_entry *entry) | |
4963 | { | |
4964 | struct __vxge_hw_blockpool *blockpool; | |
40a3a915 | 4965 | |
528f7272 | 4966 | blockpool = &devh->block_pool; |
40a3a915 | 4967 | |
528f7272 | 4968 | if (entry->length == blockpool->block_size) { |
40a3a915 RV |
4969 | list_add(&entry->item, &blockpool->free_block_list); |
4970 | blockpool->pool_size++; | |
528f7272 | 4971 | } |
40a3a915 | 4972 | |
528f7272 | 4973 | __vxge_hw_blockpool_blocks_remove(blockpool); |
40a3a915 RV |
4974 | } |
4975 | ||
4976 | /* | |
528f7272 JM |
4977 | * vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open |
4978 | * This function is used to close access to virtual path opened | |
4979 | * earlier. | |
40a3a915 | 4980 | */ |
528f7272 | 4981 | enum vxge_hw_status vxge_hw_vpath_close(struct __vxge_hw_vpath_handle *vp) |
40a3a915 | 4982 | { |
528f7272 JM |
4983 | struct __vxge_hw_virtualpath *vpath = NULL; |
4984 | struct __vxge_hw_device *devh = NULL; | |
4985 | u32 vp_id = vp->vpath->vp_id; | |
4986 | u32 is_empty = TRUE; | |
40a3a915 RV |
4987 | enum vxge_hw_status status = VXGE_HW_OK; |
4988 | ||
528f7272 JM |
4989 | vpath = vp->vpath; |
4990 | devh = vpath->hldev; | |
40a3a915 | 4991 | |
528f7272 JM |
4992 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { |
4993 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4994 | goto vpath_close_exit; | |
4995 | } | |
40a3a915 | 4996 | |
528f7272 | 4997 | list_del(&vp->item); |
40a3a915 | 4998 | |
528f7272 JM |
4999 | if (!list_empty(&vpath->vpath_handles)) { |
5000 | list_add(&vp->item, &vpath->vpath_handles); | |
5001 | is_empty = FALSE; | |
5002 | } | |
40a3a915 | 5003 | |
528f7272 JM |
5004 | if (!is_empty) { |
5005 | status = VXGE_HW_FAIL; | |
5006 | goto vpath_close_exit; | |
5007 | } | |
40a3a915 | 5008 | |
528f7272 | 5009 | devh->vpaths_deployed &= ~vxge_mBIT(vp_id); |
40a3a915 | 5010 | |
528f7272 JM |
5011 | if (vpath->ringh != NULL) |
5012 | __vxge_hw_ring_delete(vp); | |
40a3a915 | 5013 | |
528f7272 JM |
5014 | if (vpath->fifoh != NULL) |
5015 | __vxge_hw_fifo_delete(vp); | |
40a3a915 | 5016 | |
528f7272 JM |
5017 | if (vpath->stats_block != NULL) |
5018 | __vxge_hw_blockpool_block_free(devh, vpath->stats_block); | |
40a3a915 | 5019 | |
528f7272 | 5020 | vfree(vp); |
40a3a915 | 5021 | |
528f7272 JM |
5022 | __vxge_hw_vp_terminate(devh, vp_id); |
5023 | ||
528f7272 JM |
5024 | vpath_close_exit: |
5025 | return status; | |
40a3a915 RV |
5026 | } |
5027 | ||
5028 | /* | |
528f7272 JM |
5029 | * vxge_hw_vpath_reset - Resets vpath |
5030 | * This function is used to request a reset of vpath | |
40a3a915 | 5031 | */ |
528f7272 | 5032 | enum vxge_hw_status vxge_hw_vpath_reset(struct __vxge_hw_vpath_handle *vp) |
40a3a915 | 5033 | { |
528f7272 JM |
5034 | enum vxge_hw_status status; |
5035 | u32 vp_id; | |
5036 | struct __vxge_hw_virtualpath *vpath = vp->vpath; | |
40a3a915 | 5037 | |
528f7272 | 5038 | vp_id = vpath->vp_id; |
40a3a915 | 5039 | |
528f7272 JM |
5040 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { |
5041 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
5042 | goto exit; | |
40a3a915 | 5043 | } |
528f7272 JM |
5044 | |
5045 | status = __vxge_hw_vpath_reset(vpath->hldev, vp_id); | |
5046 | if (status == VXGE_HW_OK) | |
5047 | vpath->sw_stats->soft_reset_cnt++; | |
5048 | exit: | |
5049 | return status; | |
40a3a915 RV |
5050 | } |
5051 | ||
5052 | /* | |
528f7272 JM |
5053 | * vxge_hw_vpath_recover_from_reset - Poll for reset complete and re-initialize. |
5054 | * This function poll's for the vpath reset completion and re initializes | |
5055 | * the vpath. | |
40a3a915 | 5056 | */ |
528f7272 JM |
5057 | enum vxge_hw_status |
5058 | vxge_hw_vpath_recover_from_reset(struct __vxge_hw_vpath_handle *vp) | |
40a3a915 | 5059 | { |
528f7272 JM |
5060 | struct __vxge_hw_virtualpath *vpath = NULL; |
5061 | enum vxge_hw_status status; | |
5062 | struct __vxge_hw_device *hldev; | |
5063 | u32 vp_id; | |
40a3a915 | 5064 | |
528f7272 JM |
5065 | vp_id = vp->vpath->vp_id; |
5066 | vpath = vp->vpath; | |
5067 | hldev = vpath->hldev; | |
40a3a915 | 5068 | |
528f7272 JM |
5069 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { |
5070 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
5071 | goto exit; | |
5072 | } | |
40a3a915 | 5073 | |
528f7272 JM |
5074 | status = __vxge_hw_vpath_reset_check(vpath); |
5075 | if (status != VXGE_HW_OK) | |
5076 | goto exit; | |
40a3a915 | 5077 | |
528f7272 JM |
5078 | status = __vxge_hw_vpath_sw_reset(hldev, vp_id); |
5079 | if (status != VXGE_HW_OK) | |
5080 | goto exit; | |
40a3a915 | 5081 | |
528f7272 JM |
5082 | status = __vxge_hw_vpath_initialize(hldev, vp_id); |
5083 | if (status != VXGE_HW_OK) | |
5084 | goto exit; | |
40a3a915 | 5085 | |
528f7272 JM |
5086 | if (vpath->ringh != NULL) |
5087 | __vxge_hw_vpath_prc_configure(hldev, vp_id); | |
5088 | ||
5089 | memset(vpath->hw_stats, 0, | |
5090 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
5091 | ||
5092 | memset(vpath->hw_stats_sav, 0, | |
5093 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
5094 | ||
5095 | writeq(vpath->stats_block->dma_addr, | |
5096 | &vpath->vp_reg->stats_cfg); | |
5097 | ||
5098 | status = vxge_hw_vpath_stats_enable(vp); | |
5099 | ||
5100 | exit: | |
5101 | return status; | |
40a3a915 RV |
5102 | } |
5103 | ||
5104 | /* | |
528f7272 JM |
5105 | * vxge_hw_vpath_enable - Enable vpath. |
5106 | * This routine clears the vpath reset thereby enabling a vpath | |
5107 | * to start forwarding frames and generating interrupts. | |
40a3a915 | 5108 | */ |
528f7272 JM |
5109 | void |
5110 | vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp) | |
40a3a915 | 5111 | { |
528f7272 JM |
5112 | struct __vxge_hw_device *hldev; |
5113 | u64 val64; | |
40a3a915 | 5114 | |
528f7272 | 5115 | hldev = vp->vpath->hldev; |
40a3a915 | 5116 | |
528f7272 JM |
5117 | val64 = VXGE_HW_CMN_RSTHDLR_CFG1_CLR_VPATH_RESET( |
5118 | 1 << (16 - vp->vpath->vp_id)); | |
40a3a915 | 5119 | |
528f7272 JM |
5120 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), |
5121 | &hldev->common_reg->cmn_rsthdlr_cfg1); | |
40a3a915 | 5122 | } |