]>
Commit | Line | Data |
---|---|---|
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 | * | |
10 | * vxge-config.c: Driver for Neterion Inc's X3100 Series 10GbE PCIe I/O | |
11 | * Virtualized Server Adapter. | |
12 | * Copyright(c) 2002-2009 Neterion Inc. | |
13 | ******************************************************************************/ | |
14 | #include <linux/vmalloc.h> | |
15 | #include <linux/etherdevice.h> | |
16 | #include <linux/pci.h> | |
17 | #include <linux/pci_hotplug.h> | |
18 | ||
19 | #include "vxge-traffic.h" | |
20 | #include "vxge-config.h" | |
21 | ||
22 | /* | |
23 | * __vxge_hw_channel_allocate - Allocate memory for channel | |
24 | * This function allocates required memory for the channel and various arrays | |
25 | * in the channel | |
26 | */ | |
27 | struct __vxge_hw_channel* | |
28 | __vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph, | |
29 | enum __vxge_hw_channel_type type, | |
30 | u32 length, u32 per_dtr_space, void *userdata) | |
31 | { | |
32 | struct __vxge_hw_channel *channel; | |
33 | struct __vxge_hw_device *hldev; | |
34 | int size = 0; | |
35 | u32 vp_id; | |
36 | ||
37 | hldev = vph->vpath->hldev; | |
38 | vp_id = vph->vpath->vp_id; | |
39 | ||
40 | switch (type) { | |
41 | case VXGE_HW_CHANNEL_TYPE_FIFO: | |
42 | size = sizeof(struct __vxge_hw_fifo); | |
43 | break; | |
44 | case VXGE_HW_CHANNEL_TYPE_RING: | |
45 | size = sizeof(struct __vxge_hw_ring); | |
46 | break; | |
47 | default: | |
48 | break; | |
49 | } | |
50 | ||
51 | channel = kzalloc(size, GFP_KERNEL); | |
52 | if (channel == NULL) | |
53 | goto exit0; | |
54 | INIT_LIST_HEAD(&channel->item); | |
55 | ||
56 | channel->common_reg = hldev->common_reg; | |
57 | channel->first_vp_id = hldev->first_vp_id; | |
58 | channel->type = type; | |
59 | channel->devh = hldev; | |
60 | channel->vph = vph; | |
61 | channel->userdata = userdata; | |
62 | channel->per_dtr_space = per_dtr_space; | |
63 | channel->length = length; | |
64 | channel->vp_id = vp_id; | |
65 | ||
66 | channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
67 | if (channel->work_arr == NULL) | |
68 | goto exit1; | |
69 | ||
70 | channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
71 | if (channel->free_arr == NULL) | |
72 | goto exit1; | |
73 | channel->free_ptr = length; | |
74 | ||
75 | channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
76 | if (channel->reserve_arr == NULL) | |
77 | goto exit1; | |
78 | channel->reserve_ptr = length; | |
79 | channel->reserve_top = 0; | |
80 | ||
81 | channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
82 | if (channel->orig_arr == NULL) | |
83 | goto exit1; | |
84 | ||
85 | return channel; | |
86 | exit1: | |
87 | __vxge_hw_channel_free(channel); | |
88 | ||
89 | exit0: | |
90 | return NULL; | |
91 | } | |
92 | ||
93 | /* | |
94 | * __vxge_hw_channel_free - Free memory allocated for channel | |
95 | * This function deallocates memory from the channel and various arrays | |
96 | * in the channel | |
97 | */ | |
98 | void __vxge_hw_channel_free(struct __vxge_hw_channel *channel) | |
99 | { | |
100 | kfree(channel->work_arr); | |
101 | kfree(channel->free_arr); | |
102 | kfree(channel->reserve_arr); | |
103 | kfree(channel->orig_arr); | |
104 | kfree(channel); | |
105 | } | |
106 | ||
107 | /* | |
108 | * __vxge_hw_channel_initialize - Initialize a channel | |
109 | * This function initializes a channel by properly setting the | |
110 | * various references | |
111 | */ | |
112 | enum vxge_hw_status | |
113 | __vxge_hw_channel_initialize(struct __vxge_hw_channel *channel) | |
114 | { | |
115 | u32 i; | |
116 | struct __vxge_hw_virtualpath *vpath; | |
117 | ||
118 | vpath = channel->vph->vpath; | |
119 | ||
120 | if ((channel->reserve_arr != NULL) && (channel->orig_arr != NULL)) { | |
121 | for (i = 0; i < channel->length; i++) | |
122 | channel->orig_arr[i] = channel->reserve_arr[i]; | |
123 | } | |
124 | ||
125 | switch (channel->type) { | |
126 | case VXGE_HW_CHANNEL_TYPE_FIFO: | |
127 | vpath->fifoh = (struct __vxge_hw_fifo *)channel; | |
128 | channel->stats = &((struct __vxge_hw_fifo *) | |
129 | channel)->stats->common_stats; | |
130 | break; | |
131 | case VXGE_HW_CHANNEL_TYPE_RING: | |
132 | vpath->ringh = (struct __vxge_hw_ring *)channel; | |
133 | channel->stats = &((struct __vxge_hw_ring *) | |
134 | channel)->stats->common_stats; | |
135 | break; | |
136 | default: | |
137 | break; | |
138 | } | |
139 | ||
140 | return VXGE_HW_OK; | |
141 | } | |
142 | ||
143 | /* | |
144 | * __vxge_hw_channel_reset - Resets a channel | |
145 | * This function resets a channel by properly setting the various references | |
146 | */ | |
147 | enum vxge_hw_status | |
148 | __vxge_hw_channel_reset(struct __vxge_hw_channel *channel) | |
149 | { | |
150 | u32 i; | |
151 | ||
152 | for (i = 0; i < channel->length; i++) { | |
153 | if (channel->reserve_arr != NULL) | |
154 | channel->reserve_arr[i] = channel->orig_arr[i]; | |
155 | if (channel->free_arr != NULL) | |
156 | channel->free_arr[i] = NULL; | |
157 | if (channel->work_arr != NULL) | |
158 | channel->work_arr[i] = NULL; | |
159 | } | |
160 | channel->free_ptr = channel->length; | |
161 | channel->reserve_ptr = channel->length; | |
162 | channel->reserve_top = 0; | |
163 | channel->post_index = 0; | |
164 | channel->compl_index = 0; | |
165 | ||
166 | return VXGE_HW_OK; | |
167 | } | |
168 | ||
169 | /* | |
170 | * __vxge_hw_device_pci_e_init | |
171 | * Initialize certain PCI/PCI-X configuration registers | |
172 | * with recommended values. Save config space for future hw resets. | |
173 | */ | |
174 | void | |
175 | __vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev) | |
176 | { | |
177 | u16 cmd = 0; | |
178 | ||
179 | /* Set the PErr Repconse bit and SERR in PCI command register. */ | |
180 | pci_read_config_word(hldev->pdev, PCI_COMMAND, &cmd); | |
181 | cmd |= 0x140; | |
182 | pci_write_config_word(hldev->pdev, PCI_COMMAND, cmd); | |
183 | ||
184 | pci_save_state(hldev->pdev); | |
185 | ||
186 | return; | |
187 | } | |
188 | ||
189 | /* | |
190 | * __vxge_hw_device_register_poll | |
191 | * Will poll certain register for specified amount of time. | |
192 | * Will poll until masked bit is not cleared. | |
193 | */ | |
194 | enum vxge_hw_status | |
195 | __vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis) | |
196 | { | |
197 | u64 val64; | |
198 | u32 i = 0; | |
199 | enum vxge_hw_status ret = VXGE_HW_FAIL; | |
200 | ||
201 | udelay(10); | |
202 | ||
203 | do { | |
204 | val64 = readq(reg); | |
205 | if (!(val64 & mask)) | |
206 | return VXGE_HW_OK; | |
207 | udelay(100); | |
208 | } while (++i <= 9); | |
209 | ||
210 | i = 0; | |
211 | do { | |
212 | val64 = readq(reg); | |
213 | if (!(val64 & mask)) | |
214 | return VXGE_HW_OK; | |
215 | mdelay(1); | |
216 | } while (++i <= max_millis); | |
217 | ||
218 | return ret; | |
219 | } | |
220 | ||
221 | /* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset | |
222 | * in progress | |
223 | * This routine checks the vpath reset in progress register is turned zero | |
224 | */ | |
225 | enum vxge_hw_status | |
226 | __vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog) | |
227 | { | |
228 | enum vxge_hw_status status; | |
229 | status = __vxge_hw_device_register_poll(vpath_rst_in_prog, | |
230 | VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG(0x1ffff), | |
231 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
232 | return status; | |
233 | } | |
234 | ||
235 | /* | |
236 | * __vxge_hw_device_toc_get | |
237 | * This routine sets the swapper and reads the toc pointer and returns the | |
238 | * memory mapped address of the toc | |
239 | */ | |
240 | struct vxge_hw_toc_reg __iomem * | |
241 | __vxge_hw_device_toc_get(void __iomem *bar0) | |
242 | { | |
243 | u64 val64; | |
244 | struct vxge_hw_toc_reg __iomem *toc = NULL; | |
245 | enum vxge_hw_status status; | |
246 | ||
247 | struct vxge_hw_legacy_reg __iomem *legacy_reg = | |
248 | (struct vxge_hw_legacy_reg __iomem *)bar0; | |
249 | ||
250 | status = __vxge_hw_legacy_swapper_set(legacy_reg); | |
251 | if (status != VXGE_HW_OK) | |
252 | goto exit; | |
253 | ||
254 | val64 = readq(&legacy_reg->toc_first_pointer); | |
255 | toc = (struct vxge_hw_toc_reg __iomem *)(bar0+val64); | |
256 | exit: | |
257 | return toc; | |
258 | } | |
259 | ||
260 | /* | |
261 | * __vxge_hw_device_reg_addr_get | |
262 | * This routine sets the swapper and reads the toc pointer and initializes the | |
263 | * register location pointers in the device object. It waits until the ric is | |
264 | * completed initializing registers. | |
265 | */ | |
266 | enum vxge_hw_status | |
267 | __vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev) | |
268 | { | |
269 | u64 val64; | |
270 | u32 i; | |
271 | enum vxge_hw_status status = VXGE_HW_OK; | |
272 | ||
273 | hldev->legacy_reg = (struct vxge_hw_legacy_reg __iomem *)hldev->bar0; | |
274 | ||
275 | hldev->toc_reg = __vxge_hw_device_toc_get(hldev->bar0); | |
276 | if (hldev->toc_reg == NULL) { | |
277 | status = VXGE_HW_FAIL; | |
278 | goto exit; | |
279 | } | |
280 | ||
281 | val64 = readq(&hldev->toc_reg->toc_common_pointer); | |
282 | hldev->common_reg = | |
283 | (struct vxge_hw_common_reg __iomem *)(hldev->bar0 + val64); | |
284 | ||
285 | val64 = readq(&hldev->toc_reg->toc_mrpcim_pointer); | |
286 | hldev->mrpcim_reg = | |
287 | (struct vxge_hw_mrpcim_reg __iomem *)(hldev->bar0 + val64); | |
288 | ||
289 | for (i = 0; i < VXGE_HW_TITAN_SRPCIM_REG_SPACES; i++) { | |
290 | val64 = readq(&hldev->toc_reg->toc_srpcim_pointer[i]); | |
291 | hldev->srpcim_reg[i] = | |
292 | (struct vxge_hw_srpcim_reg __iomem *) | |
293 | (hldev->bar0 + val64); | |
294 | } | |
295 | ||
296 | for (i = 0; i < VXGE_HW_TITAN_VPMGMT_REG_SPACES; i++) { | |
297 | val64 = readq(&hldev->toc_reg->toc_vpmgmt_pointer[i]); | |
298 | hldev->vpmgmt_reg[i] = | |
299 | (struct vxge_hw_vpmgmt_reg __iomem *)(hldev->bar0 + val64); | |
300 | } | |
301 | ||
302 | for (i = 0; i < VXGE_HW_TITAN_VPATH_REG_SPACES; i++) { | |
303 | val64 = readq(&hldev->toc_reg->toc_vpath_pointer[i]); | |
304 | hldev->vpath_reg[i] = | |
305 | (struct vxge_hw_vpath_reg __iomem *) | |
306 | (hldev->bar0 + val64); | |
307 | } | |
308 | ||
309 | val64 = readq(&hldev->toc_reg->toc_kdfc); | |
310 | ||
311 | switch (VXGE_HW_TOC_GET_KDFC_INITIAL_BIR(val64)) { | |
312 | case 0: | |
313 | hldev->kdfc = (u8 __iomem *)(hldev->bar0 + | |
314 | VXGE_HW_TOC_GET_KDFC_INITIAL_OFFSET(val64)); | |
315 | break; | |
40a3a915 RV |
316 | default: |
317 | break; | |
318 | } | |
319 | ||
320 | status = __vxge_hw_device_vpath_reset_in_prog_check( | |
321 | (u64 __iomem *)&hldev->common_reg->vpath_rst_in_prog); | |
322 | exit: | |
323 | return status; | |
324 | } | |
325 | ||
326 | /* | |
327 | * __vxge_hw_device_id_get | |
328 | * This routine returns sets the device id and revision numbers into the device | |
329 | * structure | |
330 | */ | |
331 | void __vxge_hw_device_id_get(struct __vxge_hw_device *hldev) | |
332 | { | |
333 | u64 val64; | |
334 | ||
335 | val64 = readq(&hldev->common_reg->titan_asic_id); | |
336 | hldev->device_id = | |
337 | (u16)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_DEVICE_ID(val64); | |
338 | ||
339 | hldev->major_revision = | |
340 | (u8)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_MAJOR_REVISION(val64); | |
341 | ||
342 | hldev->minor_revision = | |
343 | (u8)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_MINOR_REVISION(val64); | |
344 | ||
345 | return; | |
346 | } | |
347 | ||
348 | /* | |
349 | * __vxge_hw_device_access_rights_get: Get Access Rights of the driver | |
350 | * This routine returns the Access Rights of the driver | |
351 | */ | |
352 | static u32 | |
353 | __vxge_hw_device_access_rights_get(u32 host_type, u32 func_id) | |
354 | { | |
355 | u32 access_rights = VXGE_HW_DEVICE_ACCESS_RIGHT_VPATH; | |
356 | ||
357 | switch (host_type) { | |
358 | case VXGE_HW_NO_MR_NO_SR_NORMAL_FUNCTION: | |
92cdd7c3 SH |
359 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | |
360 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
40a3a915 RV |
361 | break; |
362 | case VXGE_HW_MR_NO_SR_VH0_BASE_FUNCTION: | |
363 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
364 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
365 | break; | |
366 | case VXGE_HW_NO_MR_SR_VH0_FUNCTION0: | |
367 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
368 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
369 | break; | |
370 | case VXGE_HW_NO_MR_SR_VH0_VIRTUAL_FUNCTION: | |
371 | case VXGE_HW_SR_VH_VIRTUAL_FUNCTION: | |
372 | case VXGE_HW_MR_SR_VH0_INVALID_CONFIG: | |
373 | break; | |
374 | case VXGE_HW_SR_VH_FUNCTION0: | |
375 | case VXGE_HW_VH_NORMAL_FUNCTION: | |
376 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
377 | break; | |
378 | } | |
379 | ||
380 | return access_rights; | |
381 | } | |
92cdd7c3 SH |
382 | /* |
383 | * __vxge_hw_device_is_privilaged | |
384 | * This routine checks if the device function is privilaged or not | |
385 | */ | |
386 | ||
387 | enum vxge_hw_status | |
388 | __vxge_hw_device_is_privilaged(u32 host_type, u32 func_id) | |
389 | { | |
390 | if (__vxge_hw_device_access_rights_get(host_type, | |
391 | func_id) & | |
392 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) | |
393 | return VXGE_HW_OK; | |
394 | else | |
395 | return VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
396 | } | |
397 | ||
40a3a915 RV |
398 | /* |
399 | * __vxge_hw_device_host_info_get | |
400 | * This routine returns the host type assignments | |
401 | */ | |
402 | void __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev) | |
403 | { | |
404 | u64 val64; | |
405 | u32 i; | |
406 | ||
407 | val64 = readq(&hldev->common_reg->host_type_assignments); | |
408 | ||
409 | hldev->host_type = | |
410 | (u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64); | |
411 | ||
412 | hldev->vpath_assignments = readq(&hldev->common_reg->vpath_assignments); | |
413 | ||
414 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
415 | ||
416 | if (!(hldev->vpath_assignments & vxge_mBIT(i))) | |
417 | continue; | |
418 | ||
419 | hldev->func_id = | |
420 | __vxge_hw_vpath_func_id_get(i, hldev->vpmgmt_reg[i]); | |
421 | ||
422 | hldev->access_rights = __vxge_hw_device_access_rights_get( | |
423 | hldev->host_type, hldev->func_id); | |
424 | ||
425 | hldev->first_vp_id = i; | |
426 | break; | |
427 | } | |
428 | ||
429 | return; | |
430 | } | |
431 | ||
432 | /* | |
433 | * __vxge_hw_verify_pci_e_info - Validate the pci-e link parameters such as | |
434 | * link width and signalling rate. | |
435 | */ | |
436 | static enum vxge_hw_status | |
437 | __vxge_hw_verify_pci_e_info(struct __vxge_hw_device *hldev) | |
438 | { | |
439 | int exp_cap; | |
440 | u16 lnk; | |
441 | ||
442 | /* Get the negotiated link width and speed from PCI config space */ | |
443 | exp_cap = pci_find_capability(hldev->pdev, PCI_CAP_ID_EXP); | |
444 | pci_read_config_word(hldev->pdev, exp_cap + PCI_EXP_LNKSTA, &lnk); | |
445 | ||
446 | if ((lnk & PCI_EXP_LNKSTA_CLS) != 1) | |
447 | return VXGE_HW_ERR_INVALID_PCI_INFO; | |
448 | ||
449 | switch ((lnk & PCI_EXP_LNKSTA_NLW) >> 4) { | |
450 | case PCIE_LNK_WIDTH_RESRV: | |
451 | case PCIE_LNK_X1: | |
452 | case PCIE_LNK_X2: | |
453 | case PCIE_LNK_X4: | |
454 | case PCIE_LNK_X8: | |
455 | break; | |
456 | default: | |
457 | return VXGE_HW_ERR_INVALID_PCI_INFO; | |
458 | } | |
459 | ||
460 | return VXGE_HW_OK; | |
461 | } | |
462 | ||
40a3a915 RV |
463 | /* |
464 | * __vxge_hw_device_initialize | |
465 | * Initialize Titan-V hardware. | |
466 | */ | |
467 | enum vxge_hw_status __vxge_hw_device_initialize(struct __vxge_hw_device *hldev) | |
468 | { | |
469 | enum vxge_hw_status status = VXGE_HW_OK; | |
470 | ||
92cdd7c3 SH |
471 | if (VXGE_HW_OK == __vxge_hw_device_is_privilaged(hldev->host_type, |
472 | hldev->func_id)) { | |
5dbc9011 SS |
473 | /* Validate the pci-e link width and speed */ |
474 | status = __vxge_hw_verify_pci_e_info(hldev); | |
475 | if (status != VXGE_HW_OK) | |
476 | goto exit; | |
477 | } | |
40a3a915 | 478 | |
40a3a915 RV |
479 | exit: |
480 | return status; | |
481 | } | |
482 | ||
483 | /** | |
484 | * vxge_hw_device_hw_info_get - Get the hw information | |
485 | * Returns the vpath mask that has the bits set for each vpath allocated | |
486 | * for the driver, FW version information and the first mac addresse for | |
487 | * each vpath | |
488 | */ | |
489 | enum vxge_hw_status __devinit | |
490 | vxge_hw_device_hw_info_get(void __iomem *bar0, | |
491 | struct vxge_hw_device_hw_info *hw_info) | |
492 | { | |
493 | u32 i; | |
494 | u64 val64; | |
495 | struct vxge_hw_toc_reg __iomem *toc; | |
496 | struct vxge_hw_mrpcim_reg __iomem *mrpcim_reg; | |
497 | struct vxge_hw_common_reg __iomem *common_reg; | |
498 | struct vxge_hw_vpath_reg __iomem *vpath_reg; | |
499 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg; | |
500 | enum vxge_hw_status status; | |
501 | ||
502 | memset(hw_info, 0, sizeof(struct vxge_hw_device_hw_info)); | |
503 | ||
504 | toc = __vxge_hw_device_toc_get(bar0); | |
505 | if (toc == NULL) { | |
506 | status = VXGE_HW_ERR_CRITICAL; | |
507 | goto exit; | |
508 | } | |
509 | ||
510 | val64 = readq(&toc->toc_common_pointer); | |
511 | common_reg = (struct vxge_hw_common_reg __iomem *)(bar0 + val64); | |
512 | ||
513 | status = __vxge_hw_device_vpath_reset_in_prog_check( | |
514 | (u64 __iomem *)&common_reg->vpath_rst_in_prog); | |
515 | if (status != VXGE_HW_OK) | |
516 | goto exit; | |
517 | ||
518 | hw_info->vpath_mask = readq(&common_reg->vpath_assignments); | |
519 | ||
520 | val64 = readq(&common_reg->host_type_assignments); | |
521 | ||
522 | hw_info->host_type = | |
523 | (u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64); | |
524 | ||
525 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
526 | ||
527 | if (!((hw_info->vpath_mask) & vxge_mBIT(i))) | |
528 | continue; | |
529 | ||
530 | val64 = readq(&toc->toc_vpmgmt_pointer[i]); | |
531 | ||
532 | vpmgmt_reg = (struct vxge_hw_vpmgmt_reg __iomem *) | |
533 | (bar0 + val64); | |
534 | ||
535 | hw_info->func_id = __vxge_hw_vpath_func_id_get(i, vpmgmt_reg); | |
536 | if (__vxge_hw_device_access_rights_get(hw_info->host_type, | |
537 | hw_info->func_id) & | |
538 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) { | |
539 | ||
540 | val64 = readq(&toc->toc_mrpcim_pointer); | |
541 | ||
542 | mrpcim_reg = (struct vxge_hw_mrpcim_reg __iomem *) | |
543 | (bar0 + val64); | |
544 | ||
545 | writeq(0, &mrpcim_reg->xgmac_gen_fw_memo_mask); | |
546 | wmb(); | |
547 | } | |
548 | ||
549 | val64 = readq(&toc->toc_vpath_pointer[i]); | |
550 | ||
551 | vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64); | |
552 | ||
553 | hw_info->function_mode = | |
554 | __vxge_hw_vpath_pci_func_mode_get(i, vpath_reg); | |
555 | ||
556 | status = __vxge_hw_vpath_fw_ver_get(i, vpath_reg, hw_info); | |
557 | if (status != VXGE_HW_OK) | |
558 | goto exit; | |
559 | ||
560 | status = __vxge_hw_vpath_card_info_get(i, vpath_reg, hw_info); | |
561 | if (status != VXGE_HW_OK) | |
562 | goto exit; | |
563 | ||
564 | break; | |
565 | } | |
566 | ||
567 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
568 | ||
569 | if (!((hw_info->vpath_mask) & vxge_mBIT(i))) | |
570 | continue; | |
571 | ||
572 | val64 = readq(&toc->toc_vpath_pointer[i]); | |
573 | vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64); | |
574 | ||
575 | status = __vxge_hw_vpath_addr_get(i, vpath_reg, | |
576 | hw_info->mac_addrs[i], | |
577 | hw_info->mac_addr_masks[i]); | |
578 | if (status != VXGE_HW_OK) | |
579 | goto exit; | |
580 | } | |
581 | exit: | |
582 | return status; | |
583 | } | |
584 | ||
585 | /* | |
586 | * vxge_hw_device_initialize - Initialize Titan device. | |
587 | * Initialize Titan device. Note that all the arguments of this public API | |
588 | * are 'IN', including @hldev. Driver cooperates with | |
589 | * OS to find new Titan device, locate its PCI and memory spaces. | |
590 | * | |
591 | * When done, the driver allocates sizeof(struct __vxge_hw_device) bytes for HW | |
592 | * to enable the latter to perform Titan hardware initialization. | |
593 | */ | |
594 | enum vxge_hw_status __devinit | |
595 | vxge_hw_device_initialize( | |
596 | struct __vxge_hw_device **devh, | |
597 | struct vxge_hw_device_attr *attr, | |
598 | struct vxge_hw_device_config *device_config) | |
599 | { | |
600 | u32 i; | |
601 | u32 nblocks = 0; | |
602 | struct __vxge_hw_device *hldev = NULL; | |
603 | enum vxge_hw_status status = VXGE_HW_OK; | |
604 | ||
605 | status = __vxge_hw_device_config_check(device_config); | |
606 | if (status != VXGE_HW_OK) | |
607 | goto exit; | |
608 | ||
609 | hldev = (struct __vxge_hw_device *) | |
610 | vmalloc(sizeof(struct __vxge_hw_device)); | |
611 | if (hldev == NULL) { | |
612 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
613 | goto exit; | |
614 | } | |
615 | ||
616 | memset(hldev, 0, sizeof(struct __vxge_hw_device)); | |
617 | hldev->magic = VXGE_HW_DEVICE_MAGIC; | |
618 | ||
619 | vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_ALL); | |
620 | ||
621 | /* apply config */ | |
622 | memcpy(&hldev->config, device_config, | |
623 | sizeof(struct vxge_hw_device_config)); | |
624 | ||
625 | hldev->bar0 = attr->bar0; | |
40a3a915 RV |
626 | hldev->pdev = attr->pdev; |
627 | ||
628 | hldev->uld_callbacks.link_up = attr->uld_callbacks.link_up; | |
629 | hldev->uld_callbacks.link_down = attr->uld_callbacks.link_down; | |
630 | hldev->uld_callbacks.crit_err = attr->uld_callbacks.crit_err; | |
631 | ||
632 | __vxge_hw_device_pci_e_init(hldev); | |
633 | ||
634 | status = __vxge_hw_device_reg_addr_get(hldev); | |
635 | if (status != VXGE_HW_OK) | |
636 | goto exit; | |
637 | __vxge_hw_device_id_get(hldev); | |
638 | ||
639 | __vxge_hw_device_host_info_get(hldev); | |
640 | ||
641 | /* Incrementing for stats blocks */ | |
642 | nblocks++; | |
643 | ||
644 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
645 | ||
646 | if (!(hldev->vpath_assignments & vxge_mBIT(i))) | |
647 | continue; | |
648 | ||
649 | if (device_config->vp_config[i].ring.enable == | |
650 | VXGE_HW_RING_ENABLE) | |
651 | nblocks += device_config->vp_config[i].ring.ring_blocks; | |
652 | ||
653 | if (device_config->vp_config[i].fifo.enable == | |
654 | VXGE_HW_FIFO_ENABLE) | |
655 | nblocks += device_config->vp_config[i].fifo.fifo_blocks; | |
656 | nblocks++; | |
657 | } | |
658 | ||
659 | if (__vxge_hw_blockpool_create(hldev, | |
660 | &hldev->block_pool, | |
661 | device_config->dma_blockpool_initial + nblocks, | |
662 | device_config->dma_blockpool_max + nblocks) != VXGE_HW_OK) { | |
663 | ||
664 | vxge_hw_device_terminate(hldev); | |
665 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
666 | goto exit; | |
667 | } | |
668 | ||
669 | status = __vxge_hw_device_initialize(hldev); | |
670 | ||
671 | if (status != VXGE_HW_OK) { | |
672 | vxge_hw_device_terminate(hldev); | |
673 | goto exit; | |
674 | } | |
675 | ||
676 | *devh = hldev; | |
677 | exit: | |
678 | return status; | |
679 | } | |
680 | ||
681 | /* | |
682 | * vxge_hw_device_terminate - Terminate Titan device. | |
683 | * Terminate HW device. | |
684 | */ | |
685 | void | |
686 | vxge_hw_device_terminate(struct __vxge_hw_device *hldev) | |
687 | { | |
688 | vxge_assert(hldev->magic == VXGE_HW_DEVICE_MAGIC); | |
689 | ||
690 | hldev->magic = VXGE_HW_DEVICE_DEAD; | |
691 | __vxge_hw_blockpool_destroy(&hldev->block_pool); | |
692 | vfree(hldev); | |
693 | } | |
694 | ||
695 | /* | |
696 | * vxge_hw_device_stats_get - Get the device hw statistics. | |
697 | * Returns the vpath h/w stats for the device. | |
698 | */ | |
699 | enum vxge_hw_status | |
700 | vxge_hw_device_stats_get(struct __vxge_hw_device *hldev, | |
701 | struct vxge_hw_device_stats_hw_info *hw_stats) | |
702 | { | |
703 | u32 i; | |
704 | enum vxge_hw_status status = VXGE_HW_OK; | |
705 | ||
706 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
707 | ||
708 | if (!(hldev->vpaths_deployed & vxge_mBIT(i)) || | |
709 | (hldev->virtual_paths[i].vp_open == | |
710 | VXGE_HW_VP_NOT_OPEN)) | |
711 | continue; | |
712 | ||
713 | memcpy(hldev->virtual_paths[i].hw_stats_sav, | |
714 | hldev->virtual_paths[i].hw_stats, | |
715 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
716 | ||
717 | status = __vxge_hw_vpath_stats_get( | |
718 | &hldev->virtual_paths[i], | |
719 | hldev->virtual_paths[i].hw_stats); | |
720 | } | |
721 | ||
722 | memcpy(hw_stats, &hldev->stats.hw_dev_info_stats, | |
723 | sizeof(struct vxge_hw_device_stats_hw_info)); | |
724 | ||
725 | return status; | |
726 | } | |
727 | ||
728 | /* | |
729 | * vxge_hw_driver_stats_get - Get the device sw statistics. | |
730 | * Returns the vpath s/w stats for the device. | |
731 | */ | |
732 | enum vxge_hw_status vxge_hw_driver_stats_get( | |
733 | struct __vxge_hw_device *hldev, | |
734 | struct vxge_hw_device_stats_sw_info *sw_stats) | |
735 | { | |
736 | enum vxge_hw_status status = VXGE_HW_OK; | |
737 | ||
738 | memcpy(sw_stats, &hldev->stats.sw_dev_info_stats, | |
739 | sizeof(struct vxge_hw_device_stats_sw_info)); | |
740 | ||
741 | return status; | |
742 | } | |
743 | ||
744 | /* | |
745 | * vxge_hw_mrpcim_stats_access - Access the statistics from the given location | |
746 | * and offset and perform an operation | |
747 | * Get the statistics from the given location and offset. | |
748 | */ | |
749 | enum vxge_hw_status | |
750 | vxge_hw_mrpcim_stats_access(struct __vxge_hw_device *hldev, | |
751 | u32 operation, u32 location, u32 offset, u64 *stat) | |
752 | { | |
753 | u64 val64; | |
754 | enum vxge_hw_status status = VXGE_HW_OK; | |
755 | ||
92cdd7c3 SH |
756 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
757 | hldev->func_id); | |
40a3a915 RV |
758 | if (status != VXGE_HW_OK) |
759 | goto exit; | |
760 | ||
761 | val64 = VXGE_HW_XMAC_STATS_SYS_CMD_OP(operation) | | |
762 | VXGE_HW_XMAC_STATS_SYS_CMD_STROBE | | |
763 | VXGE_HW_XMAC_STATS_SYS_CMD_LOC_SEL(location) | | |
764 | VXGE_HW_XMAC_STATS_SYS_CMD_OFFSET_SEL(offset); | |
765 | ||
766 | status = __vxge_hw_pio_mem_write64(val64, | |
767 | &hldev->mrpcim_reg->xmac_stats_sys_cmd, | |
768 | VXGE_HW_XMAC_STATS_SYS_CMD_STROBE, | |
769 | hldev->config.device_poll_millis); | |
770 | ||
771 | if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) | |
772 | *stat = readq(&hldev->mrpcim_reg->xmac_stats_sys_data); | |
773 | else | |
774 | *stat = 0; | |
775 | exit: | |
776 | return status; | |
777 | } | |
778 | ||
779 | /* | |
780 | * vxge_hw_device_xmac_aggr_stats_get - Get the Statistics on aggregate port | |
781 | * Get the Statistics on aggregate port | |
782 | */ | |
783 | enum vxge_hw_status | |
784 | vxge_hw_device_xmac_aggr_stats_get(struct __vxge_hw_device *hldev, u32 port, | |
785 | struct vxge_hw_xmac_aggr_stats *aggr_stats) | |
786 | { | |
787 | u64 *val64; | |
788 | int i; | |
789 | u32 offset = VXGE_HW_STATS_AGGRn_OFFSET; | |
790 | enum vxge_hw_status status = VXGE_HW_OK; | |
791 | ||
792 | val64 = (u64 *)aggr_stats; | |
793 | ||
92cdd7c3 SH |
794 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
795 | hldev->func_id); | |
40a3a915 RV |
796 | if (status != VXGE_HW_OK) |
797 | goto exit; | |
798 | ||
799 | for (i = 0; i < sizeof(struct vxge_hw_xmac_aggr_stats) / 8; i++) { | |
800 | status = vxge_hw_mrpcim_stats_access(hldev, | |
801 | VXGE_HW_STATS_OP_READ, | |
802 | VXGE_HW_STATS_LOC_AGGR, | |
803 | ((offset + (104 * port)) >> 3), val64); | |
804 | if (status != VXGE_HW_OK) | |
805 | goto exit; | |
806 | ||
807 | offset += 8; | |
808 | val64++; | |
809 | } | |
810 | exit: | |
811 | return status; | |
812 | } | |
813 | ||
814 | /* | |
815 | * vxge_hw_device_xmac_port_stats_get - Get the Statistics on a port | |
816 | * Get the Statistics on port | |
817 | */ | |
818 | enum vxge_hw_status | |
819 | vxge_hw_device_xmac_port_stats_get(struct __vxge_hw_device *hldev, u32 port, | |
820 | struct vxge_hw_xmac_port_stats *port_stats) | |
821 | { | |
822 | u64 *val64; | |
823 | enum vxge_hw_status status = VXGE_HW_OK; | |
824 | int i; | |
825 | u32 offset = 0x0; | |
826 | val64 = (u64 *) port_stats; | |
827 | ||
92cdd7c3 SH |
828 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
829 | hldev->func_id); | |
40a3a915 RV |
830 | if (status != VXGE_HW_OK) |
831 | goto exit; | |
832 | ||
833 | for (i = 0; i < sizeof(struct vxge_hw_xmac_port_stats) / 8; i++) { | |
834 | status = vxge_hw_mrpcim_stats_access(hldev, | |
835 | VXGE_HW_STATS_OP_READ, | |
836 | VXGE_HW_STATS_LOC_AGGR, | |
837 | ((offset + (608 * port)) >> 3), val64); | |
838 | if (status != VXGE_HW_OK) | |
839 | goto exit; | |
840 | ||
841 | offset += 8; | |
842 | val64++; | |
843 | } | |
844 | ||
845 | exit: | |
846 | return status; | |
847 | } | |
848 | ||
849 | /* | |
850 | * vxge_hw_device_xmac_stats_get - Get the XMAC Statistics | |
851 | * Get the XMAC Statistics | |
852 | */ | |
853 | enum vxge_hw_status | |
854 | vxge_hw_device_xmac_stats_get(struct __vxge_hw_device *hldev, | |
855 | struct vxge_hw_xmac_stats *xmac_stats) | |
856 | { | |
857 | enum vxge_hw_status status = VXGE_HW_OK; | |
858 | u32 i; | |
859 | ||
860 | status = vxge_hw_device_xmac_aggr_stats_get(hldev, | |
861 | 0, &xmac_stats->aggr_stats[0]); | |
862 | ||
863 | if (status != VXGE_HW_OK) | |
864 | goto exit; | |
865 | ||
866 | status = vxge_hw_device_xmac_aggr_stats_get(hldev, | |
867 | 1, &xmac_stats->aggr_stats[1]); | |
868 | if (status != VXGE_HW_OK) | |
869 | goto exit; | |
870 | ||
871 | for (i = 0; i <= VXGE_HW_MAC_MAX_MAC_PORT_ID; i++) { | |
872 | ||
873 | status = vxge_hw_device_xmac_port_stats_get(hldev, | |
874 | i, &xmac_stats->port_stats[i]); | |
875 | if (status != VXGE_HW_OK) | |
876 | goto exit; | |
877 | } | |
878 | ||
879 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
880 | ||
881 | if (!(hldev->vpaths_deployed & vxge_mBIT(i))) | |
882 | continue; | |
883 | ||
884 | status = __vxge_hw_vpath_xmac_tx_stats_get( | |
885 | &hldev->virtual_paths[i], | |
886 | &xmac_stats->vpath_tx_stats[i]); | |
887 | if (status != VXGE_HW_OK) | |
888 | goto exit; | |
889 | ||
890 | status = __vxge_hw_vpath_xmac_rx_stats_get( | |
891 | &hldev->virtual_paths[i], | |
892 | &xmac_stats->vpath_rx_stats[i]); | |
893 | if (status != VXGE_HW_OK) | |
894 | goto exit; | |
895 | } | |
896 | exit: | |
897 | return status; | |
898 | } | |
899 | ||
900 | /* | |
901 | * vxge_hw_device_debug_set - Set the debug module, level and timestamp | |
902 | * This routine is used to dynamically change the debug output | |
903 | */ | |
904 | void vxge_hw_device_debug_set(struct __vxge_hw_device *hldev, | |
905 | enum vxge_debug_level level, u32 mask) | |
906 | { | |
907 | if (hldev == NULL) | |
908 | return; | |
909 | ||
910 | #if defined(VXGE_DEBUG_TRACE_MASK) || \ | |
911 | defined(VXGE_DEBUG_ERR_MASK) | |
912 | hldev->debug_module_mask = mask; | |
913 | hldev->debug_level = level; | |
914 | #endif | |
915 | ||
916 | #if defined(VXGE_DEBUG_ERR_MASK) | |
917 | hldev->level_err = level & VXGE_ERR; | |
918 | #endif | |
919 | ||
920 | #if defined(VXGE_DEBUG_TRACE_MASK) | |
921 | hldev->level_trace = level & VXGE_TRACE; | |
922 | #endif | |
923 | } | |
924 | ||
925 | /* | |
926 | * vxge_hw_device_error_level_get - Get the error level | |
927 | * This routine returns the current error level set | |
928 | */ | |
929 | u32 vxge_hw_device_error_level_get(struct __vxge_hw_device *hldev) | |
930 | { | |
931 | #if defined(VXGE_DEBUG_ERR_MASK) | |
932 | if (hldev == NULL) | |
933 | return VXGE_ERR; | |
934 | else | |
935 | return hldev->level_err; | |
936 | #else | |
937 | return 0; | |
938 | #endif | |
939 | } | |
940 | ||
941 | /* | |
942 | * vxge_hw_device_trace_level_get - Get the trace level | |
943 | * This routine returns the current trace level set | |
944 | */ | |
945 | u32 vxge_hw_device_trace_level_get(struct __vxge_hw_device *hldev) | |
946 | { | |
947 | #if defined(VXGE_DEBUG_TRACE_MASK) | |
948 | if (hldev == NULL) | |
949 | return VXGE_TRACE; | |
950 | else | |
951 | return hldev->level_trace; | |
952 | #else | |
953 | return 0; | |
954 | #endif | |
955 | } | |
956 | /* | |
957 | * vxge_hw_device_debug_mask_get - Get the debug mask | |
958 | * This routine returns the current debug mask set | |
959 | */ | |
960 | u32 vxge_hw_device_debug_mask_get(struct __vxge_hw_device *hldev) | |
961 | { | |
962 | #if defined(VXGE_DEBUG_TRACE_MASK) || defined(VXGE_DEBUG_ERR_MASK) | |
963 | if (hldev == NULL) | |
964 | return 0; | |
965 | return hldev->debug_module_mask; | |
966 | #else | |
967 | return 0; | |
968 | #endif | |
969 | } | |
970 | ||
971 | /* | |
972 | * vxge_hw_getpause_data -Pause frame frame generation and reception. | |
973 | * Returns the Pause frame generation and reception capability of the NIC. | |
974 | */ | |
975 | enum vxge_hw_status vxge_hw_device_getpause_data(struct __vxge_hw_device *hldev, | |
976 | u32 port, u32 *tx, u32 *rx) | |
977 | { | |
978 | u64 val64; | |
979 | enum vxge_hw_status status = VXGE_HW_OK; | |
980 | ||
981 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
982 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
983 | goto exit; | |
984 | } | |
985 | ||
986 | if (port > VXGE_HW_MAC_MAX_MAC_PORT_ID) { | |
987 | status = VXGE_HW_ERR_INVALID_PORT; | |
988 | goto exit; | |
989 | } | |
990 | ||
991 | if (!(hldev->access_rights & VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
992 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
993 | goto exit; | |
994 | } | |
995 | ||
996 | val64 = readq(&hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
997 | if (val64 & VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN) | |
998 | *tx = 1; | |
999 | if (val64 & VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN) | |
1000 | *rx = 1; | |
1001 | exit: | |
1002 | return status; | |
1003 | } | |
1004 | ||
1005 | /* | |
1006 | * vxge_hw_device_setpause_data - set/reset pause frame generation. | |
1007 | * It can be used to set or reset Pause frame generation or reception | |
1008 | * support of the NIC. | |
1009 | */ | |
1010 | ||
1011 | enum vxge_hw_status vxge_hw_device_setpause_data(struct __vxge_hw_device *hldev, | |
1012 | u32 port, u32 tx, u32 rx) | |
1013 | { | |
1014 | u64 val64; | |
1015 | enum vxge_hw_status status = VXGE_HW_OK; | |
1016 | ||
1017 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
1018 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
1019 | goto exit; | |
1020 | } | |
1021 | ||
1022 | if (port > VXGE_HW_MAC_MAX_MAC_PORT_ID) { | |
1023 | status = VXGE_HW_ERR_INVALID_PORT; | |
1024 | goto exit; | |
1025 | } | |
1026 | ||
92cdd7c3 SH |
1027 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
1028 | hldev->func_id); | |
40a3a915 RV |
1029 | if (status != VXGE_HW_OK) |
1030 | goto exit; | |
1031 | ||
1032 | val64 = readq(&hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1033 | if (tx) | |
1034 | val64 |= VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN; | |
1035 | else | |
1036 | val64 &= ~VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN; | |
1037 | if (rx) | |
1038 | val64 |= VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN; | |
1039 | else | |
1040 | val64 &= ~VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN; | |
1041 | ||
1042 | writeq(val64, &hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1043 | exit: | |
1044 | return status; | |
1045 | } | |
1046 | ||
1047 | u16 vxge_hw_device_link_width_get(struct __vxge_hw_device *hldev) | |
1048 | { | |
1049 | int link_width, exp_cap; | |
1050 | u16 lnk; | |
1051 | ||
1052 | exp_cap = pci_find_capability(hldev->pdev, PCI_CAP_ID_EXP); | |
1053 | pci_read_config_word(hldev->pdev, exp_cap + PCI_EXP_LNKSTA, &lnk); | |
1054 | link_width = (lnk & VXGE_HW_PCI_EXP_LNKCAP_LNK_WIDTH) >> 4; | |
1055 | return link_width; | |
1056 | } | |
1057 | ||
1058 | /* | |
1059 | * __vxge_hw_ring_block_memblock_idx - Return the memblock index | |
1060 | * This function returns the index of memory block | |
1061 | */ | |
1062 | static inline u32 | |
1063 | __vxge_hw_ring_block_memblock_idx(u8 *block) | |
1064 | { | |
1065 | return (u32)*((u64 *)(block + VXGE_HW_RING_MEMBLOCK_IDX_OFFSET)); | |
1066 | } | |
1067 | ||
1068 | /* | |
1069 | * __vxge_hw_ring_block_memblock_idx_set - Sets the memblock index | |
1070 | * This function sets index to a memory block | |
1071 | */ | |
1072 | static inline void | |
1073 | __vxge_hw_ring_block_memblock_idx_set(u8 *block, u32 memblock_idx) | |
1074 | { | |
1075 | *((u64 *)(block + VXGE_HW_RING_MEMBLOCK_IDX_OFFSET)) = memblock_idx; | |
1076 | } | |
1077 | ||
1078 | /* | |
1079 | * __vxge_hw_ring_block_next_pointer_set - Sets the next block pointer | |
1080 | * in RxD block | |
1081 | * Sets the next block pointer in RxD block | |
1082 | */ | |
1083 | static inline void | |
1084 | __vxge_hw_ring_block_next_pointer_set(u8 *block, dma_addr_t dma_next) | |
1085 | { | |
1086 | *((u64 *)(block + VXGE_HW_RING_NEXT_BLOCK_POINTER_OFFSET)) = dma_next; | |
1087 | } | |
1088 | ||
1089 | /* | |
1090 | * __vxge_hw_ring_first_block_address_get - Returns the dma address of the | |
1091 | * first block | |
1092 | * Returns the dma address of the first RxD block | |
1093 | */ | |
1094 | u64 __vxge_hw_ring_first_block_address_get(struct __vxge_hw_ring *ring) | |
1095 | { | |
1096 | struct vxge_hw_mempool_dma *dma_object; | |
1097 | ||
1098 | dma_object = ring->mempool->memblocks_dma_arr; | |
1099 | vxge_assert(dma_object != NULL); | |
1100 | ||
1101 | return dma_object->addr; | |
1102 | } | |
1103 | ||
1104 | /* | |
1105 | * __vxge_hw_ring_item_dma_addr - Return the dma address of an item | |
1106 | * This function returns the dma address of a given item | |
1107 | */ | |
1108 | static dma_addr_t __vxge_hw_ring_item_dma_addr(struct vxge_hw_mempool *mempoolh, | |
1109 | void *item) | |
1110 | { | |
1111 | u32 memblock_idx; | |
1112 | void *memblock; | |
1113 | struct vxge_hw_mempool_dma *memblock_dma_object; | |
1114 | ptrdiff_t dma_item_offset; | |
1115 | ||
1116 | /* get owner memblock index */ | |
1117 | memblock_idx = __vxge_hw_ring_block_memblock_idx(item); | |
1118 | ||
1119 | /* get owner memblock by memblock index */ | |
1120 | memblock = mempoolh->memblocks_arr[memblock_idx]; | |
1121 | ||
1122 | /* get memblock DMA object by memblock index */ | |
1123 | memblock_dma_object = mempoolh->memblocks_dma_arr + memblock_idx; | |
1124 | ||
1125 | /* calculate offset in the memblock of this item */ | |
1126 | dma_item_offset = (u8 *)item - (u8 *)memblock; | |
1127 | ||
1128 | return memblock_dma_object->addr + dma_item_offset; | |
1129 | } | |
1130 | ||
1131 | /* | |
1132 | * __vxge_hw_ring_rxdblock_link - Link the RxD blocks | |
1133 | * This function returns the dma address of a given item | |
1134 | */ | |
1135 | static void __vxge_hw_ring_rxdblock_link(struct vxge_hw_mempool *mempoolh, | |
1136 | struct __vxge_hw_ring *ring, u32 from, | |
1137 | u32 to) | |
1138 | { | |
1139 | u8 *to_item , *from_item; | |
1140 | dma_addr_t to_dma; | |
1141 | ||
1142 | /* get "from" RxD block */ | |
1143 | from_item = mempoolh->items_arr[from]; | |
1144 | vxge_assert(from_item); | |
1145 | ||
1146 | /* get "to" RxD block */ | |
1147 | to_item = mempoolh->items_arr[to]; | |
1148 | vxge_assert(to_item); | |
1149 | ||
1150 | /* return address of the beginning of previous RxD block */ | |
1151 | to_dma = __vxge_hw_ring_item_dma_addr(mempoolh, to_item); | |
1152 | ||
1153 | /* set next pointer for this RxD block to point on | |
1154 | * previous item's DMA start address */ | |
1155 | __vxge_hw_ring_block_next_pointer_set(from_item, to_dma); | |
1156 | } | |
1157 | ||
1158 | /* | |
1159 | * __vxge_hw_ring_mempool_item_alloc - Allocate List blocks for RxD | |
1160 | * block callback | |
1161 | * This function is callback passed to __vxge_hw_mempool_create to create memory | |
1162 | * pool for RxD block | |
1163 | */ | |
1164 | static void | |
1165 | __vxge_hw_ring_mempool_item_alloc(struct vxge_hw_mempool *mempoolh, | |
1166 | u32 memblock_index, | |
1167 | struct vxge_hw_mempool_dma *dma_object, | |
1168 | u32 index, u32 is_last) | |
1169 | { | |
1170 | u32 i; | |
1171 | void *item = mempoolh->items_arr[index]; | |
1172 | struct __vxge_hw_ring *ring = | |
1173 | (struct __vxge_hw_ring *)mempoolh->userdata; | |
1174 | ||
1175 | /* format rxds array */ | |
1176 | for (i = 0; i < ring->rxds_per_block; i++) { | |
1177 | void *rxdblock_priv; | |
1178 | void *uld_priv; | |
1179 | struct vxge_hw_ring_rxd_1 *rxdp; | |
1180 | ||
1181 | u32 reserve_index = ring->channel.reserve_ptr - | |
1182 | (index * ring->rxds_per_block + i + 1); | |
1183 | u32 memblock_item_idx; | |
1184 | ||
1185 | ring->channel.reserve_arr[reserve_index] = ((u8 *)item) + | |
1186 | i * ring->rxd_size; | |
1187 | ||
1188 | /* Note: memblock_item_idx is index of the item within | |
1189 | * the memblock. For instance, in case of three RxD-blocks | |
1190 | * per memblock this value can be 0, 1 or 2. */ | |
1191 | rxdblock_priv = __vxge_hw_mempool_item_priv(mempoolh, | |
1192 | memblock_index, item, | |
1193 | &memblock_item_idx); | |
1194 | ||
1195 | rxdp = (struct vxge_hw_ring_rxd_1 *) | |
1196 | ring->channel.reserve_arr[reserve_index]; | |
1197 | ||
1198 | uld_priv = ((u8 *)rxdblock_priv + ring->rxd_priv_size * i); | |
1199 | ||
1200 | /* pre-format Host_Control */ | |
1201 | rxdp->host_control = (u64)(size_t)uld_priv; | |
1202 | } | |
1203 | ||
1204 | __vxge_hw_ring_block_memblock_idx_set(item, memblock_index); | |
1205 | ||
1206 | if (is_last) { | |
1207 | /* link last one with first one */ | |
1208 | __vxge_hw_ring_rxdblock_link(mempoolh, ring, index, 0); | |
1209 | } | |
1210 | ||
1211 | if (index > 0) { | |
1212 | /* link this RxD block with previous one */ | |
1213 | __vxge_hw_ring_rxdblock_link(mempoolh, ring, index - 1, index); | |
1214 | } | |
1215 | ||
1216 | return; | |
1217 | } | |
1218 | ||
1219 | /* | |
1220 | * __vxge_hw_ring_initial_replenish - Initial replenish of RxDs | |
1221 | * This function replenishes the RxDs from reserve array to work array | |
1222 | */ | |
1223 | enum vxge_hw_status | |
1224 | vxge_hw_ring_replenish(struct __vxge_hw_ring *ring, u16 min_flag) | |
1225 | { | |
1226 | void *rxd; | |
1227 | int i = 0; | |
1228 | struct __vxge_hw_channel *channel; | |
1229 | enum vxge_hw_status status = VXGE_HW_OK; | |
1230 | ||
1231 | channel = &ring->channel; | |
1232 | ||
1233 | while (vxge_hw_channel_dtr_count(channel) > 0) { | |
1234 | ||
1235 | status = vxge_hw_ring_rxd_reserve(ring, &rxd); | |
1236 | ||
1237 | vxge_assert(status == VXGE_HW_OK); | |
1238 | ||
1239 | if (ring->rxd_init) { | |
1240 | status = ring->rxd_init(rxd, channel->userdata); | |
1241 | if (status != VXGE_HW_OK) { | |
1242 | vxge_hw_ring_rxd_free(ring, rxd); | |
1243 | goto exit; | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | vxge_hw_ring_rxd_post(ring, rxd); | |
1248 | if (min_flag) { | |
1249 | i++; | |
1250 | if (i == VXGE_HW_RING_MIN_BUFF_ALLOCATION) | |
1251 | break; | |
1252 | } | |
1253 | } | |
1254 | status = VXGE_HW_OK; | |
1255 | exit: | |
1256 | return status; | |
1257 | } | |
1258 | ||
1259 | /* | |
1260 | * __vxge_hw_ring_create - Create a Ring | |
1261 | * This function creates Ring and initializes it. | |
1262 | * | |
1263 | */ | |
1264 | enum vxge_hw_status | |
1265 | __vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp, | |
1266 | struct vxge_hw_ring_attr *attr) | |
1267 | { | |
1268 | enum vxge_hw_status status = VXGE_HW_OK; | |
1269 | struct __vxge_hw_ring *ring; | |
1270 | u32 ring_length; | |
1271 | struct vxge_hw_ring_config *config; | |
1272 | struct __vxge_hw_device *hldev; | |
1273 | u32 vp_id; | |
1274 | struct vxge_hw_mempool_cbs ring_mp_callback; | |
1275 | ||
1276 | if ((vp == NULL) || (attr == NULL)) { | |
1277 | status = VXGE_HW_FAIL; | |
1278 | goto exit; | |
1279 | } | |
1280 | ||
1281 | hldev = vp->vpath->hldev; | |
1282 | vp_id = vp->vpath->vp_id; | |
1283 | ||
1284 | config = &hldev->config.vp_config[vp_id].ring; | |
1285 | ||
1286 | ring_length = config->ring_blocks * | |
1287 | vxge_hw_ring_rxds_per_block_get(config->buffer_mode); | |
1288 | ||
1289 | ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp, | |
1290 | VXGE_HW_CHANNEL_TYPE_RING, | |
1291 | ring_length, | |
1292 | attr->per_rxd_space, | |
1293 | attr->userdata); | |
1294 | ||
1295 | if (ring == NULL) { | |
1296 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1297 | goto exit; | |
1298 | } | |
1299 | ||
1300 | vp->vpath->ringh = ring; | |
1301 | ring->vp_id = vp_id; | |
1302 | ring->vp_reg = vp->vpath->vp_reg; | |
1303 | ring->common_reg = hldev->common_reg; | |
1304 | ring->stats = &vp->vpath->sw_stats->ring_stats; | |
1305 | ring->config = config; | |
1306 | ring->callback = attr->callback; | |
1307 | ring->rxd_init = attr->rxd_init; | |
1308 | ring->rxd_term = attr->rxd_term; | |
1309 | ring->buffer_mode = config->buffer_mode; | |
1310 | ring->rxds_limit = config->rxds_limit; | |
1311 | ||
1312 | ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode); | |
1313 | ring->rxd_priv_size = | |
1314 | sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space; | |
1315 | ring->per_rxd_space = attr->per_rxd_space; | |
1316 | ||
1317 | ring->rxd_priv_size = | |
1318 | ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) / | |
1319 | VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; | |
1320 | ||
1321 | /* how many RxDs can fit into one block. Depends on configured | |
1322 | * buffer_mode. */ | |
1323 | ring->rxds_per_block = | |
1324 | vxge_hw_ring_rxds_per_block_get(config->buffer_mode); | |
1325 | ||
1326 | /* calculate actual RxD block private size */ | |
1327 | ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block; | |
1328 | ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc; | |
1329 | ring->mempool = __vxge_hw_mempool_create(hldev, | |
1330 | VXGE_HW_BLOCK_SIZE, | |
1331 | VXGE_HW_BLOCK_SIZE, | |
1332 | ring->rxdblock_priv_size, | |
1333 | ring->config->ring_blocks, | |
1334 | ring->config->ring_blocks, | |
1335 | &ring_mp_callback, | |
1336 | ring); | |
1337 | ||
1338 | if (ring->mempool == NULL) { | |
1339 | __vxge_hw_ring_delete(vp); | |
1340 | return VXGE_HW_ERR_OUT_OF_MEMORY; | |
1341 | } | |
1342 | ||
1343 | status = __vxge_hw_channel_initialize(&ring->channel); | |
1344 | if (status != VXGE_HW_OK) { | |
1345 | __vxge_hw_ring_delete(vp); | |
1346 | goto exit; | |
1347 | } | |
1348 | ||
1349 | /* Note: | |
1350 | * Specifying rxd_init callback means two things: | |
1351 | * 1) rxds need to be initialized by driver at channel-open time; | |
1352 | * 2) rxds need to be posted at channel-open time | |
1353 | * (that's what the initial_replenish() below does) | |
1354 | * Currently we don't have a case when the 1) is done without the 2). | |
1355 | */ | |
1356 | if (ring->rxd_init) { | |
1357 | status = vxge_hw_ring_replenish(ring, 1); | |
1358 | if (status != VXGE_HW_OK) { | |
1359 | __vxge_hw_ring_delete(vp); | |
1360 | goto exit; | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | /* initial replenish will increment the counter in its post() routine, | |
1365 | * we have to reset it */ | |
1366 | ring->stats->common_stats.usage_cnt = 0; | |
1367 | exit: | |
1368 | return status; | |
1369 | } | |
1370 | ||
1371 | /* | |
1372 | * __vxge_hw_ring_abort - Returns the RxD | |
1373 | * This function terminates the RxDs of ring | |
1374 | */ | |
1375 | enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring) | |
1376 | { | |
1377 | void *rxdh; | |
1378 | struct __vxge_hw_channel *channel; | |
1379 | ||
1380 | channel = &ring->channel; | |
1381 | ||
1382 | for (;;) { | |
1383 | vxge_hw_channel_dtr_try_complete(channel, &rxdh); | |
1384 | ||
1385 | if (rxdh == NULL) | |
1386 | break; | |
1387 | ||
1388 | vxge_hw_channel_dtr_complete(channel); | |
1389 | ||
1390 | if (ring->rxd_term) | |
1391 | ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED, | |
1392 | channel->userdata); | |
1393 | ||
1394 | vxge_hw_channel_dtr_free(channel, rxdh); | |
1395 | } | |
1396 | ||
1397 | return VXGE_HW_OK; | |
1398 | } | |
1399 | ||
1400 | /* | |
1401 | * __vxge_hw_ring_reset - Resets the ring | |
1402 | * This function resets the ring during vpath reset operation | |
1403 | */ | |
1404 | enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring) | |
1405 | { | |
1406 | enum vxge_hw_status status = VXGE_HW_OK; | |
1407 | struct __vxge_hw_channel *channel; | |
1408 | ||
1409 | channel = &ring->channel; | |
1410 | ||
1411 | __vxge_hw_ring_abort(ring); | |
1412 | ||
1413 | status = __vxge_hw_channel_reset(channel); | |
1414 | ||
1415 | if (status != VXGE_HW_OK) | |
1416 | goto exit; | |
1417 | ||
1418 | if (ring->rxd_init) { | |
1419 | status = vxge_hw_ring_replenish(ring, 1); | |
1420 | if (status != VXGE_HW_OK) | |
1421 | goto exit; | |
1422 | } | |
1423 | exit: | |
1424 | return status; | |
1425 | } | |
1426 | ||
1427 | /* | |
1428 | * __vxge_hw_ring_delete - Removes the ring | |
1429 | * This function freeup the memory pool and removes the ring | |
1430 | */ | |
1431 | enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp) | |
1432 | { | |
1433 | struct __vxge_hw_ring *ring = vp->vpath->ringh; | |
1434 | ||
1435 | __vxge_hw_ring_abort(ring); | |
1436 | ||
1437 | if (ring->mempool) | |
1438 | __vxge_hw_mempool_destroy(ring->mempool); | |
1439 | ||
1440 | vp->vpath->ringh = NULL; | |
1441 | __vxge_hw_channel_free(&ring->channel); | |
1442 | ||
1443 | return VXGE_HW_OK; | |
1444 | } | |
1445 | ||
1446 | /* | |
1447 | * __vxge_hw_mempool_grow | |
1448 | * Will resize mempool up to %num_allocate value. | |
1449 | */ | |
1450 | enum vxge_hw_status | |
1451 | __vxge_hw_mempool_grow(struct vxge_hw_mempool *mempool, u32 num_allocate, | |
1452 | u32 *num_allocated) | |
1453 | { | |
1454 | u32 i, first_time = mempool->memblocks_allocated == 0 ? 1 : 0; | |
1455 | u32 n_items = mempool->items_per_memblock; | |
1456 | u32 start_block_idx = mempool->memblocks_allocated; | |
1457 | u32 end_block_idx = mempool->memblocks_allocated + num_allocate; | |
1458 | enum vxge_hw_status status = VXGE_HW_OK; | |
1459 | ||
1460 | *num_allocated = 0; | |
1461 | ||
1462 | if (end_block_idx > mempool->memblocks_max) { | |
1463 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1464 | goto exit; | |
1465 | } | |
1466 | ||
1467 | for (i = start_block_idx; i < end_block_idx; i++) { | |
1468 | u32 j; | |
1469 | u32 is_last = ((end_block_idx - 1) == i); | |
1470 | struct vxge_hw_mempool_dma *dma_object = | |
1471 | mempool->memblocks_dma_arr + i; | |
1472 | void *the_memblock; | |
1473 | ||
1474 | /* allocate memblock's private part. Each DMA memblock | |
1475 | * has a space allocated for item's private usage upon | |
1476 | * mempool's user request. Each time mempool grows, it will | |
1477 | * allocate new memblock and its private part at once. | |
1478 | * This helps to minimize memory usage a lot. */ | |
1479 | mempool->memblocks_priv_arr[i] = | |
1480 | vmalloc(mempool->items_priv_size * n_items); | |
1481 | if (mempool->memblocks_priv_arr[i] == NULL) { | |
1482 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1483 | goto exit; | |
1484 | } | |
1485 | ||
1486 | memset(mempool->memblocks_priv_arr[i], 0, | |
1487 | mempool->items_priv_size * n_items); | |
1488 | ||
1489 | /* allocate DMA-capable memblock */ | |
1490 | mempool->memblocks_arr[i] = | |
1491 | __vxge_hw_blockpool_malloc(mempool->devh, | |
1492 | mempool->memblock_size, dma_object); | |
1493 | if (mempool->memblocks_arr[i] == NULL) { | |
1494 | vfree(mempool->memblocks_priv_arr[i]); | |
1495 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1496 | goto exit; | |
1497 | } | |
1498 | ||
1499 | (*num_allocated)++; | |
1500 | mempool->memblocks_allocated++; | |
1501 | ||
1502 | memset(mempool->memblocks_arr[i], 0, mempool->memblock_size); | |
1503 | ||
1504 | the_memblock = mempool->memblocks_arr[i]; | |
1505 | ||
1506 | /* fill the items hash array */ | |
1507 | for (j = 0; j < n_items; j++) { | |
1508 | u32 index = i * n_items + j; | |
1509 | ||
1510 | if (first_time && index >= mempool->items_initial) | |
1511 | break; | |
1512 | ||
1513 | mempool->items_arr[index] = | |
1514 | ((char *)the_memblock + j*mempool->item_size); | |
1515 | ||
1516 | /* let caller to do more job on each item */ | |
1517 | if (mempool->item_func_alloc != NULL) | |
1518 | mempool->item_func_alloc(mempool, i, | |
1519 | dma_object, index, is_last); | |
1520 | ||
1521 | mempool->items_current = index + 1; | |
1522 | } | |
1523 | ||
1524 | if (first_time && mempool->items_current == | |
1525 | mempool->items_initial) | |
1526 | break; | |
1527 | } | |
1528 | exit: | |
1529 | return status; | |
1530 | } | |
1531 | ||
1532 | /* | |
1533 | * vxge_hw_mempool_create | |
1534 | * This function will create memory pool object. Pool may grow but will | |
1535 | * never shrink. Pool consists of number of dynamically allocated blocks | |
1536 | * with size enough to hold %items_initial number of items. Memory is | |
1537 | * DMA-able but client must map/unmap before interoperating with the device. | |
1538 | */ | |
1539 | struct vxge_hw_mempool* | |
1540 | __vxge_hw_mempool_create( | |
1541 | struct __vxge_hw_device *devh, | |
1542 | u32 memblock_size, | |
1543 | u32 item_size, | |
1544 | u32 items_priv_size, | |
1545 | u32 items_initial, | |
1546 | u32 items_max, | |
1547 | struct vxge_hw_mempool_cbs *mp_callback, | |
1548 | void *userdata) | |
1549 | { | |
1550 | enum vxge_hw_status status = VXGE_HW_OK; | |
1551 | u32 memblocks_to_allocate; | |
1552 | struct vxge_hw_mempool *mempool = NULL; | |
1553 | u32 allocated; | |
1554 | ||
1555 | if (memblock_size < item_size) { | |
1556 | status = VXGE_HW_FAIL; | |
1557 | goto exit; | |
1558 | } | |
1559 | ||
1560 | mempool = (struct vxge_hw_mempool *) | |
1561 | vmalloc(sizeof(struct vxge_hw_mempool)); | |
1562 | if (mempool == NULL) { | |
1563 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1564 | goto exit; | |
1565 | } | |
1566 | memset(mempool, 0, sizeof(struct vxge_hw_mempool)); | |
1567 | ||
1568 | mempool->devh = devh; | |
1569 | mempool->memblock_size = memblock_size; | |
1570 | mempool->items_max = items_max; | |
1571 | mempool->items_initial = items_initial; | |
1572 | mempool->item_size = item_size; | |
1573 | mempool->items_priv_size = items_priv_size; | |
1574 | mempool->item_func_alloc = mp_callback->item_func_alloc; | |
1575 | mempool->userdata = userdata; | |
1576 | ||
1577 | mempool->memblocks_allocated = 0; | |
1578 | ||
1579 | mempool->items_per_memblock = memblock_size / item_size; | |
1580 | ||
1581 | mempool->memblocks_max = (items_max + mempool->items_per_memblock - 1) / | |
1582 | mempool->items_per_memblock; | |
1583 | ||
1584 | /* allocate array of memblocks */ | |
1585 | mempool->memblocks_arr = | |
1586 | (void **) vmalloc(sizeof(void *) * mempool->memblocks_max); | |
1587 | if (mempool->memblocks_arr == NULL) { | |
1588 | __vxge_hw_mempool_destroy(mempool); | |
1589 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1590 | mempool = NULL; | |
1591 | goto exit; | |
1592 | } | |
1593 | memset(mempool->memblocks_arr, 0, | |
1594 | sizeof(void *) * mempool->memblocks_max); | |
1595 | ||
1596 | /* allocate array of private parts of items per memblocks */ | |
1597 | mempool->memblocks_priv_arr = | |
1598 | (void **) vmalloc(sizeof(void *) * mempool->memblocks_max); | |
1599 | if (mempool->memblocks_priv_arr == NULL) { | |
1600 | __vxge_hw_mempool_destroy(mempool); | |
1601 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1602 | mempool = NULL; | |
1603 | goto exit; | |
1604 | } | |
1605 | memset(mempool->memblocks_priv_arr, 0, | |
1606 | sizeof(void *) * mempool->memblocks_max); | |
1607 | ||
1608 | /* allocate array of memblocks DMA objects */ | |
1609 | mempool->memblocks_dma_arr = (struct vxge_hw_mempool_dma *) | |
1610 | vmalloc(sizeof(struct vxge_hw_mempool_dma) * | |
1611 | mempool->memblocks_max); | |
1612 | ||
1613 | if (mempool->memblocks_dma_arr == NULL) { | |
1614 | __vxge_hw_mempool_destroy(mempool); | |
1615 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1616 | mempool = NULL; | |
1617 | goto exit; | |
1618 | } | |
1619 | memset(mempool->memblocks_dma_arr, 0, | |
1620 | sizeof(struct vxge_hw_mempool_dma) * | |
1621 | mempool->memblocks_max); | |
1622 | ||
1623 | /* allocate hash array of items */ | |
1624 | mempool->items_arr = | |
1625 | (void **) vmalloc(sizeof(void *) * mempool->items_max); | |
1626 | if (mempool->items_arr == NULL) { | |
1627 | __vxge_hw_mempool_destroy(mempool); | |
1628 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1629 | mempool = NULL; | |
1630 | goto exit; | |
1631 | } | |
1632 | memset(mempool->items_arr, 0, sizeof(void *) * mempool->items_max); | |
1633 | ||
1634 | /* calculate initial number of memblocks */ | |
1635 | memblocks_to_allocate = (mempool->items_initial + | |
1636 | mempool->items_per_memblock - 1) / | |
1637 | mempool->items_per_memblock; | |
1638 | ||
1639 | /* pre-allocate the mempool */ | |
1640 | status = __vxge_hw_mempool_grow(mempool, memblocks_to_allocate, | |
1641 | &allocated); | |
1642 | if (status != VXGE_HW_OK) { | |
1643 | __vxge_hw_mempool_destroy(mempool); | |
1644 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1645 | mempool = NULL; | |
1646 | goto exit; | |
1647 | } | |
1648 | ||
1649 | exit: | |
1650 | return mempool; | |
1651 | } | |
1652 | ||
1653 | /* | |
1654 | * vxge_hw_mempool_destroy | |
1655 | */ | |
1656 | void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool) | |
1657 | { | |
1658 | u32 i, j; | |
1659 | struct __vxge_hw_device *devh = mempool->devh; | |
1660 | ||
1661 | for (i = 0; i < mempool->memblocks_allocated; i++) { | |
1662 | struct vxge_hw_mempool_dma *dma_object; | |
1663 | ||
1664 | vxge_assert(mempool->memblocks_arr[i]); | |
1665 | vxge_assert(mempool->memblocks_dma_arr + i); | |
1666 | ||
1667 | dma_object = mempool->memblocks_dma_arr + i; | |
1668 | ||
1669 | for (j = 0; j < mempool->items_per_memblock; j++) { | |
1670 | u32 index = i * mempool->items_per_memblock + j; | |
1671 | ||
1672 | /* to skip last partially filled(if any) memblock */ | |
1673 | if (index >= mempool->items_current) | |
1674 | break; | |
1675 | } | |
1676 | ||
1677 | vfree(mempool->memblocks_priv_arr[i]); | |
1678 | ||
1679 | __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i], | |
1680 | mempool->memblock_size, dma_object); | |
1681 | } | |
1682 | ||
50d36a93 | 1683 | vfree(mempool->items_arr); |
40a3a915 | 1684 | |
50d36a93 | 1685 | vfree(mempool->memblocks_dma_arr); |
40a3a915 | 1686 | |
50d36a93 | 1687 | vfree(mempool->memblocks_priv_arr); |
40a3a915 | 1688 | |
50d36a93 | 1689 | vfree(mempool->memblocks_arr); |
40a3a915 RV |
1690 | |
1691 | vfree(mempool); | |
1692 | } | |
1693 | ||
1694 | /* | |
1695 | * __vxge_hw_device_fifo_config_check - Check fifo configuration. | |
1696 | * Check the fifo configuration | |
1697 | */ | |
1698 | enum vxge_hw_status | |
1699 | __vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config) | |
1700 | { | |
1701 | if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) || | |
1702 | (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS)) | |
1703 | return VXGE_HW_BADCFG_FIFO_BLOCKS; | |
1704 | ||
1705 | return VXGE_HW_OK; | |
1706 | } | |
1707 | ||
1708 | /* | |
1709 | * __vxge_hw_device_vpath_config_check - Check vpath configuration. | |
1710 | * Check the vpath configuration | |
1711 | */ | |
1712 | enum vxge_hw_status | |
1713 | __vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config) | |
1714 | { | |
1715 | enum vxge_hw_status status; | |
1716 | ||
1717 | if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) || | |
1718 | (vp_config->min_bandwidth > | |
1719 | VXGE_HW_VPATH_BANDWIDTH_MAX)) | |
1720 | return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH; | |
1721 | ||
1722 | status = __vxge_hw_device_fifo_config_check(&vp_config->fifo); | |
1723 | if (status != VXGE_HW_OK) | |
1724 | return status; | |
1725 | ||
1726 | if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) && | |
1727 | ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) || | |
1728 | (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU))) | |
1729 | return VXGE_HW_BADCFG_VPATH_MTU; | |
1730 | ||
1731 | if ((vp_config->rpa_strip_vlan_tag != | |
1732 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) && | |
1733 | (vp_config->rpa_strip_vlan_tag != | |
1734 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) && | |
1735 | (vp_config->rpa_strip_vlan_tag != | |
1736 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE)) | |
1737 | return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG; | |
1738 | ||
1739 | return VXGE_HW_OK; | |
1740 | } | |
1741 | ||
1742 | /* | |
1743 | * __vxge_hw_device_config_check - Check device configuration. | |
1744 | * Check the device configuration | |
1745 | */ | |
1746 | enum vxge_hw_status | |
1747 | __vxge_hw_device_config_check(struct vxge_hw_device_config *new_config) | |
1748 | { | |
1749 | u32 i; | |
1750 | enum vxge_hw_status status; | |
1751 | ||
1752 | if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) && | |
1753 | (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) && | |
1754 | (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) && | |
1755 | (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF)) | |
1756 | return VXGE_HW_BADCFG_INTR_MODE; | |
1757 | ||
1758 | if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) && | |
1759 | (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE)) | |
1760 | return VXGE_HW_BADCFG_RTS_MAC_EN; | |
1761 | ||
1762 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1763 | status = __vxge_hw_device_vpath_config_check( | |
1764 | &new_config->vp_config[i]); | |
1765 | if (status != VXGE_HW_OK) | |
1766 | return status; | |
1767 | } | |
1768 | ||
1769 | return VXGE_HW_OK; | |
1770 | } | |
1771 | ||
1772 | /* | |
1773 | * vxge_hw_device_config_default_get - Initialize device config with defaults. | |
1774 | * Initialize Titan device config with default values. | |
1775 | */ | |
1776 | enum vxge_hw_status __devinit | |
1777 | vxge_hw_device_config_default_get(struct vxge_hw_device_config *device_config) | |
1778 | { | |
1779 | u32 i; | |
1780 | ||
1781 | device_config->dma_blockpool_initial = | |
1782 | VXGE_HW_INITIAL_DMA_BLOCK_POOL_SIZE; | |
1783 | device_config->dma_blockpool_max = VXGE_HW_MAX_DMA_BLOCK_POOL_SIZE; | |
1784 | device_config->intr_mode = VXGE_HW_INTR_MODE_DEF; | |
1785 | device_config->rth_en = VXGE_HW_RTH_DEFAULT; | |
1786 | device_config->rth_it_type = VXGE_HW_RTH_IT_TYPE_DEFAULT; | |
1787 | device_config->device_poll_millis = VXGE_HW_DEF_DEVICE_POLL_MILLIS; | |
1788 | device_config->rts_mac_en = VXGE_HW_RTS_MAC_DEFAULT; | |
1789 | ||
1790 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1791 | ||
1792 | device_config->vp_config[i].vp_id = i; | |
1793 | ||
1794 | device_config->vp_config[i].min_bandwidth = | |
1795 | VXGE_HW_VPATH_BANDWIDTH_DEFAULT; | |
1796 | ||
1797 | device_config->vp_config[i].ring.enable = VXGE_HW_RING_DEFAULT; | |
1798 | ||
1799 | device_config->vp_config[i].ring.ring_blocks = | |
1800 | VXGE_HW_DEF_RING_BLOCKS; | |
1801 | ||
1802 | device_config->vp_config[i].ring.buffer_mode = | |
1803 | VXGE_HW_RING_RXD_BUFFER_MODE_DEFAULT; | |
1804 | ||
1805 | device_config->vp_config[i].ring.scatter_mode = | |
1806 | VXGE_HW_RING_SCATTER_MODE_USE_FLASH_DEFAULT; | |
1807 | ||
1808 | device_config->vp_config[i].ring.rxds_limit = | |
1809 | VXGE_HW_DEF_RING_RXDS_LIMIT; | |
1810 | ||
1811 | device_config->vp_config[i].fifo.enable = VXGE_HW_FIFO_ENABLE; | |
1812 | ||
1813 | device_config->vp_config[i].fifo.fifo_blocks = | |
1814 | VXGE_HW_MIN_FIFO_BLOCKS; | |
1815 | ||
1816 | device_config->vp_config[i].fifo.max_frags = | |
1817 | VXGE_HW_MAX_FIFO_FRAGS; | |
1818 | ||
1819 | device_config->vp_config[i].fifo.memblock_size = | |
1820 | VXGE_HW_DEF_FIFO_MEMBLOCK_SIZE; | |
1821 | ||
1822 | device_config->vp_config[i].fifo.alignment_size = | |
1823 | VXGE_HW_DEF_FIFO_ALIGNMENT_SIZE; | |
1824 | ||
1825 | device_config->vp_config[i].fifo.intr = | |
1826 | VXGE_HW_FIFO_QUEUE_INTR_DEFAULT; | |
1827 | ||
1828 | device_config->vp_config[i].fifo.no_snoop_bits = | |
1829 | VXGE_HW_FIFO_NO_SNOOP_DEFAULT; | |
1830 | device_config->vp_config[i].tti.intr_enable = | |
1831 | VXGE_HW_TIM_INTR_DEFAULT; | |
1832 | ||
1833 | device_config->vp_config[i].tti.btimer_val = | |
1834 | VXGE_HW_USE_FLASH_DEFAULT; | |
1835 | ||
1836 | device_config->vp_config[i].tti.timer_ac_en = | |
1837 | VXGE_HW_USE_FLASH_DEFAULT; | |
1838 | ||
1839 | device_config->vp_config[i].tti.timer_ci_en = | |
1840 | VXGE_HW_USE_FLASH_DEFAULT; | |
1841 | ||
1842 | device_config->vp_config[i].tti.timer_ri_en = | |
1843 | VXGE_HW_USE_FLASH_DEFAULT; | |
1844 | ||
1845 | device_config->vp_config[i].tti.rtimer_val = | |
1846 | VXGE_HW_USE_FLASH_DEFAULT; | |
1847 | ||
1848 | device_config->vp_config[i].tti.util_sel = | |
1849 | VXGE_HW_USE_FLASH_DEFAULT; | |
1850 | ||
1851 | device_config->vp_config[i].tti.ltimer_val = | |
1852 | VXGE_HW_USE_FLASH_DEFAULT; | |
1853 | ||
1854 | device_config->vp_config[i].tti.urange_a = | |
1855 | VXGE_HW_USE_FLASH_DEFAULT; | |
1856 | ||
1857 | device_config->vp_config[i].tti.uec_a = | |
1858 | VXGE_HW_USE_FLASH_DEFAULT; | |
1859 | ||
1860 | device_config->vp_config[i].tti.urange_b = | |
1861 | VXGE_HW_USE_FLASH_DEFAULT; | |
1862 | ||
1863 | device_config->vp_config[i].tti.uec_b = | |
1864 | VXGE_HW_USE_FLASH_DEFAULT; | |
1865 | ||
1866 | device_config->vp_config[i].tti.urange_c = | |
1867 | VXGE_HW_USE_FLASH_DEFAULT; | |
1868 | ||
1869 | device_config->vp_config[i].tti.uec_c = | |
1870 | VXGE_HW_USE_FLASH_DEFAULT; | |
1871 | ||
1872 | device_config->vp_config[i].tti.uec_d = | |
1873 | VXGE_HW_USE_FLASH_DEFAULT; | |
1874 | ||
1875 | device_config->vp_config[i].rti.intr_enable = | |
1876 | VXGE_HW_TIM_INTR_DEFAULT; | |
1877 | ||
1878 | device_config->vp_config[i].rti.btimer_val = | |
1879 | VXGE_HW_USE_FLASH_DEFAULT; | |
1880 | ||
1881 | device_config->vp_config[i].rti.timer_ac_en = | |
1882 | VXGE_HW_USE_FLASH_DEFAULT; | |
1883 | ||
1884 | device_config->vp_config[i].rti.timer_ci_en = | |
1885 | VXGE_HW_USE_FLASH_DEFAULT; | |
1886 | ||
1887 | device_config->vp_config[i].rti.timer_ri_en = | |
1888 | VXGE_HW_USE_FLASH_DEFAULT; | |
1889 | ||
1890 | device_config->vp_config[i].rti.rtimer_val = | |
1891 | VXGE_HW_USE_FLASH_DEFAULT; | |
1892 | ||
1893 | device_config->vp_config[i].rti.util_sel = | |
1894 | VXGE_HW_USE_FLASH_DEFAULT; | |
1895 | ||
1896 | device_config->vp_config[i].rti.ltimer_val = | |
1897 | VXGE_HW_USE_FLASH_DEFAULT; | |
1898 | ||
1899 | device_config->vp_config[i].rti.urange_a = | |
1900 | VXGE_HW_USE_FLASH_DEFAULT; | |
1901 | ||
1902 | device_config->vp_config[i].rti.uec_a = | |
1903 | VXGE_HW_USE_FLASH_DEFAULT; | |
1904 | ||
1905 | device_config->vp_config[i].rti.urange_b = | |
1906 | VXGE_HW_USE_FLASH_DEFAULT; | |
1907 | ||
1908 | device_config->vp_config[i].rti.uec_b = | |
1909 | VXGE_HW_USE_FLASH_DEFAULT; | |
1910 | ||
1911 | device_config->vp_config[i].rti.urange_c = | |
1912 | VXGE_HW_USE_FLASH_DEFAULT; | |
1913 | ||
1914 | device_config->vp_config[i].rti.uec_c = | |
1915 | VXGE_HW_USE_FLASH_DEFAULT; | |
1916 | ||
1917 | device_config->vp_config[i].rti.uec_d = | |
1918 | VXGE_HW_USE_FLASH_DEFAULT; | |
1919 | ||
1920 | device_config->vp_config[i].mtu = | |
1921 | VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU; | |
1922 | ||
1923 | device_config->vp_config[i].rpa_strip_vlan_tag = | |
1924 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT; | |
1925 | } | |
1926 | ||
1927 | return VXGE_HW_OK; | |
1928 | } | |
1929 | ||
1930 | /* | |
1931 | * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion. | |
1932 | * Set the swapper bits appropriately for the lagacy section. | |
1933 | */ | |
1934 | enum vxge_hw_status | |
1935 | __vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg) | |
1936 | { | |
1937 | u64 val64; | |
1938 | enum vxge_hw_status status = VXGE_HW_OK; | |
1939 | ||
1940 | val64 = readq(&legacy_reg->toc_swapper_fb); | |
1941 | ||
1942 | wmb(); | |
1943 | ||
1944 | switch (val64) { | |
1945 | ||
1946 | case VXGE_HW_SWAPPER_INITIAL_VALUE: | |
1947 | return status; | |
1948 | ||
1949 | case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED: | |
1950 | writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, | |
1951 | &legacy_reg->pifm_rd_swap_en); | |
1952 | writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, | |
1953 | &legacy_reg->pifm_rd_flip_en); | |
1954 | writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, | |
1955 | &legacy_reg->pifm_wr_swap_en); | |
1956 | writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, | |
1957 | &legacy_reg->pifm_wr_flip_en); | |
1958 | break; | |
1959 | ||
1960 | case VXGE_HW_SWAPPER_BYTE_SWAPPED: | |
1961 | writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, | |
1962 | &legacy_reg->pifm_rd_swap_en); | |
1963 | writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, | |
1964 | &legacy_reg->pifm_wr_swap_en); | |
1965 | break; | |
1966 | ||
1967 | case VXGE_HW_SWAPPER_BIT_FLIPPED: | |
1968 | writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, | |
1969 | &legacy_reg->pifm_rd_flip_en); | |
1970 | writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, | |
1971 | &legacy_reg->pifm_wr_flip_en); | |
1972 | break; | |
1973 | } | |
1974 | ||
1975 | wmb(); | |
1976 | ||
1977 | val64 = readq(&legacy_reg->toc_swapper_fb); | |
1978 | ||
1979 | if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE) | |
1980 | status = VXGE_HW_ERR_SWAPPER_CTRL; | |
1981 | ||
1982 | return status; | |
1983 | } | |
1984 | ||
1985 | /* | |
1986 | * __vxge_hw_vpath_swapper_set - Set the swapper bits for the vpath. | |
1987 | * Set the swapper bits appropriately for the vpath. | |
1988 | */ | |
1989 | enum vxge_hw_status | |
1990 | __vxge_hw_vpath_swapper_set(struct vxge_hw_vpath_reg __iomem *vpath_reg) | |
1991 | { | |
1992 | #ifndef __BIG_ENDIAN | |
1993 | u64 val64; | |
1994 | ||
1995 | val64 = readq(&vpath_reg->vpath_general_cfg1); | |
1996 | wmb(); | |
1997 | val64 |= VXGE_HW_VPATH_GENERAL_CFG1_CTL_BYTE_SWAPEN; | |
1998 | writeq(val64, &vpath_reg->vpath_general_cfg1); | |
1999 | wmb(); | |
2000 | #endif | |
2001 | return VXGE_HW_OK; | |
2002 | } | |
2003 | ||
2004 | /* | |
2005 | * __vxge_hw_kdfc_swapper_set - Set the swapper bits for the kdfc. | |
2006 | * Set the swapper bits appropriately for the vpath. | |
2007 | */ | |
2008 | enum vxge_hw_status | |
2009 | __vxge_hw_kdfc_swapper_set( | |
2010 | struct vxge_hw_legacy_reg __iomem *legacy_reg, | |
2011 | struct vxge_hw_vpath_reg __iomem *vpath_reg) | |
2012 | { | |
2013 | u64 val64; | |
2014 | ||
2015 | val64 = readq(&legacy_reg->pifm_wr_swap_en); | |
2016 | ||
2017 | if (val64 == VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE) { | |
2018 | val64 = readq(&vpath_reg->kdfcctl_cfg0); | |
2019 | wmb(); | |
2020 | ||
2021 | val64 |= VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO0 | | |
2022 | VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO1 | | |
2023 | VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO2; | |
2024 | ||
2025 | writeq(val64, &vpath_reg->kdfcctl_cfg0); | |
2026 | wmb(); | |
2027 | } | |
2028 | ||
2029 | return VXGE_HW_OK; | |
2030 | } | |
2031 | ||
2032 | /* | |
2033 | * vxge_hw_mgmt_device_config - Retrieve device configuration. | |
2034 | * Get device configuration. Permits to retrieve at run-time configuration | |
2035 | * values that were used to initialize and configure the device. | |
2036 | */ | |
2037 | enum vxge_hw_status | |
2038 | vxge_hw_mgmt_device_config(struct __vxge_hw_device *hldev, | |
2039 | struct vxge_hw_device_config *dev_config, int size) | |
2040 | { | |
2041 | ||
2042 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) | |
2043 | return VXGE_HW_ERR_INVALID_DEVICE; | |
2044 | ||
2045 | if (size != sizeof(struct vxge_hw_device_config)) | |
2046 | return VXGE_HW_ERR_VERSION_CONFLICT; | |
2047 | ||
2048 | memcpy(dev_config, &hldev->config, | |
2049 | sizeof(struct vxge_hw_device_config)); | |
2050 | ||
2051 | return VXGE_HW_OK; | |
2052 | } | |
2053 | ||
2054 | /* | |
2055 | * vxge_hw_mgmt_reg_read - Read Titan register. | |
2056 | */ | |
2057 | enum vxge_hw_status | |
2058 | vxge_hw_mgmt_reg_read(struct __vxge_hw_device *hldev, | |
2059 | enum vxge_hw_mgmt_reg_type type, | |
2060 | u32 index, u32 offset, u64 *value) | |
2061 | { | |
2062 | enum vxge_hw_status status = VXGE_HW_OK; | |
2063 | ||
2064 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
2065 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
2066 | goto exit; | |
2067 | } | |
2068 | ||
2069 | switch (type) { | |
2070 | case vxge_hw_mgmt_reg_type_legacy: | |
2071 | if (offset > sizeof(struct vxge_hw_legacy_reg) - 8) { | |
2072 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2073 | break; | |
2074 | } | |
2075 | *value = readq((void __iomem *)hldev->legacy_reg + offset); | |
2076 | break; | |
2077 | case vxge_hw_mgmt_reg_type_toc: | |
2078 | if (offset > sizeof(struct vxge_hw_toc_reg) - 8) { | |
2079 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2080 | break; | |
2081 | } | |
2082 | *value = readq((void __iomem *)hldev->toc_reg + offset); | |
2083 | break; | |
2084 | case vxge_hw_mgmt_reg_type_common: | |
2085 | if (offset > sizeof(struct vxge_hw_common_reg) - 8) { | |
2086 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2087 | break; | |
2088 | } | |
2089 | *value = readq((void __iomem *)hldev->common_reg + offset); | |
2090 | break; | |
2091 | case vxge_hw_mgmt_reg_type_mrpcim: | |
2092 | if (!(hldev->access_rights & | |
2093 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
2094 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2095 | break; | |
2096 | } | |
2097 | if (offset > sizeof(struct vxge_hw_mrpcim_reg) - 8) { | |
2098 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2099 | break; | |
2100 | } | |
2101 | *value = readq((void __iomem *)hldev->mrpcim_reg + offset); | |
2102 | break; | |
2103 | case vxge_hw_mgmt_reg_type_srpcim: | |
2104 | if (!(hldev->access_rights & | |
2105 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM)) { | |
2106 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2107 | break; | |
2108 | } | |
2109 | if (index > VXGE_HW_TITAN_SRPCIM_REG_SPACES - 1) { | |
2110 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2111 | break; | |
2112 | } | |
2113 | if (offset > sizeof(struct vxge_hw_srpcim_reg) - 8) { | |
2114 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2115 | break; | |
2116 | } | |
2117 | *value = readq((void __iomem *)hldev->srpcim_reg[index] + | |
2118 | offset); | |
2119 | break; | |
2120 | case vxge_hw_mgmt_reg_type_vpmgmt: | |
2121 | if ((index > VXGE_HW_TITAN_VPMGMT_REG_SPACES - 1) || | |
2122 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
2123 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2124 | break; | |
2125 | } | |
2126 | if (offset > sizeof(struct vxge_hw_vpmgmt_reg) - 8) { | |
2127 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2128 | break; | |
2129 | } | |
2130 | *value = readq((void __iomem *)hldev->vpmgmt_reg[index] + | |
2131 | offset); | |
2132 | break; | |
2133 | case vxge_hw_mgmt_reg_type_vpath: | |
2134 | if ((index > VXGE_HW_TITAN_VPATH_REG_SPACES - 1) || | |
2135 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
2136 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2137 | break; | |
2138 | } | |
2139 | if (index > VXGE_HW_TITAN_VPATH_REG_SPACES - 1) { | |
2140 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2141 | break; | |
2142 | } | |
2143 | if (offset > sizeof(struct vxge_hw_vpath_reg) - 8) { | |
2144 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2145 | break; | |
2146 | } | |
2147 | *value = readq((void __iomem *)hldev->vpath_reg[index] + | |
2148 | offset); | |
2149 | break; | |
2150 | default: | |
2151 | status = VXGE_HW_ERR_INVALID_TYPE; | |
2152 | break; | |
2153 | } | |
2154 | ||
2155 | exit: | |
2156 | return status; | |
2157 | } | |
2158 | ||
fa41fd10 SH |
2159 | /* |
2160 | * vxge_hw_vpath_strip_fcs_check - Check for FCS strip. | |
2161 | */ | |
2162 | enum vxge_hw_status | |
2163 | vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask) | |
2164 | { | |
2165 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg; | |
2166 | enum vxge_hw_status status = VXGE_HW_OK; | |
2167 | int i = 0, j = 0; | |
2168 | ||
2169 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
2170 | if (!((vpath_mask) & vxge_mBIT(i))) | |
2171 | continue; | |
2172 | vpmgmt_reg = hldev->vpmgmt_reg[i]; | |
2173 | for (j = 0; j < VXGE_HW_MAC_MAX_MAC_PORT_ID; j++) { | |
2174 | if (readq(&vpmgmt_reg->rxmac_cfg0_port_vpmgmt_clone[j]) | |
2175 | & VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_STRIP_FCS) | |
2176 | return VXGE_HW_FAIL; | |
2177 | } | |
2178 | } | |
2179 | return status; | |
2180 | } | |
40a3a915 RV |
2181 | /* |
2182 | * vxge_hw_mgmt_reg_Write - Write Titan register. | |
2183 | */ | |
2184 | enum vxge_hw_status | |
2185 | vxge_hw_mgmt_reg_write(struct __vxge_hw_device *hldev, | |
2186 | enum vxge_hw_mgmt_reg_type type, | |
2187 | u32 index, u32 offset, u64 value) | |
2188 | { | |
2189 | enum vxge_hw_status status = VXGE_HW_OK; | |
2190 | ||
2191 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
2192 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
2193 | goto exit; | |
2194 | } | |
2195 | ||
2196 | switch (type) { | |
2197 | case vxge_hw_mgmt_reg_type_legacy: | |
2198 | if (offset > sizeof(struct vxge_hw_legacy_reg) - 8) { | |
2199 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2200 | break; | |
2201 | } | |
2202 | writeq(value, (void __iomem *)hldev->legacy_reg + offset); | |
2203 | break; | |
2204 | case vxge_hw_mgmt_reg_type_toc: | |
2205 | if (offset > sizeof(struct vxge_hw_toc_reg) - 8) { | |
2206 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2207 | break; | |
2208 | } | |
2209 | writeq(value, (void __iomem *)hldev->toc_reg + offset); | |
2210 | break; | |
2211 | case vxge_hw_mgmt_reg_type_common: | |
2212 | if (offset > sizeof(struct vxge_hw_common_reg) - 8) { | |
2213 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2214 | break; | |
2215 | } | |
2216 | writeq(value, (void __iomem *)hldev->common_reg + offset); | |
2217 | break; | |
2218 | case vxge_hw_mgmt_reg_type_mrpcim: | |
2219 | if (!(hldev->access_rights & | |
2220 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
2221 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2222 | break; | |
2223 | } | |
2224 | if (offset > sizeof(struct vxge_hw_mrpcim_reg) - 8) { | |
2225 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2226 | break; | |
2227 | } | |
2228 | writeq(value, (void __iomem *)hldev->mrpcim_reg + offset); | |
2229 | break; | |
2230 | case vxge_hw_mgmt_reg_type_srpcim: | |
2231 | if (!(hldev->access_rights & | |
2232 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM)) { | |
2233 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2234 | break; | |
2235 | } | |
2236 | if (index > VXGE_HW_TITAN_SRPCIM_REG_SPACES - 1) { | |
2237 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2238 | break; | |
2239 | } | |
2240 | if (offset > sizeof(struct vxge_hw_srpcim_reg) - 8) { | |
2241 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2242 | break; | |
2243 | } | |
2244 | writeq(value, (void __iomem *)hldev->srpcim_reg[index] + | |
2245 | offset); | |
2246 | ||
2247 | break; | |
2248 | case vxge_hw_mgmt_reg_type_vpmgmt: | |
2249 | if ((index > VXGE_HW_TITAN_VPMGMT_REG_SPACES - 1) || | |
2250 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
2251 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2252 | break; | |
2253 | } | |
2254 | if (offset > sizeof(struct vxge_hw_vpmgmt_reg) - 8) { | |
2255 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2256 | break; | |
2257 | } | |
2258 | writeq(value, (void __iomem *)hldev->vpmgmt_reg[index] + | |
2259 | offset); | |
2260 | break; | |
2261 | case vxge_hw_mgmt_reg_type_vpath: | |
2262 | if ((index > VXGE_HW_TITAN_VPATH_REG_SPACES-1) || | |
2263 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
2264 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2265 | break; | |
2266 | } | |
2267 | if (offset > sizeof(struct vxge_hw_vpath_reg) - 8) { | |
2268 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2269 | break; | |
2270 | } | |
2271 | writeq(value, (void __iomem *)hldev->vpath_reg[index] + | |
2272 | offset); | |
2273 | break; | |
2274 | default: | |
2275 | status = VXGE_HW_ERR_INVALID_TYPE; | |
2276 | break; | |
2277 | } | |
2278 | exit: | |
2279 | return status; | |
2280 | } | |
2281 | ||
2282 | /* | |
2283 | * __vxge_hw_fifo_mempool_item_alloc - Allocate List blocks for TxD | |
2284 | * list callback | |
2285 | * This function is callback passed to __vxge_hw_mempool_create to create memory | |
2286 | * pool for TxD list | |
2287 | */ | |
2288 | static void | |
2289 | __vxge_hw_fifo_mempool_item_alloc( | |
2290 | struct vxge_hw_mempool *mempoolh, | |
2291 | u32 memblock_index, struct vxge_hw_mempool_dma *dma_object, | |
2292 | u32 index, u32 is_last) | |
2293 | { | |
2294 | u32 memblock_item_idx; | |
2295 | struct __vxge_hw_fifo_txdl_priv *txdl_priv; | |
2296 | struct vxge_hw_fifo_txd *txdp = | |
2297 | (struct vxge_hw_fifo_txd *)mempoolh->items_arr[index]; | |
2298 | struct __vxge_hw_fifo *fifo = | |
2299 | (struct __vxge_hw_fifo *)mempoolh->userdata; | |
2300 | void *memblock = mempoolh->memblocks_arr[memblock_index]; | |
2301 | ||
2302 | vxge_assert(txdp); | |
2303 | ||
2304 | txdp->host_control = (u64) (size_t) | |
2305 | __vxge_hw_mempool_item_priv(mempoolh, memblock_index, txdp, | |
2306 | &memblock_item_idx); | |
2307 | ||
2308 | txdl_priv = __vxge_hw_fifo_txdl_priv(fifo, txdp); | |
2309 | ||
2310 | vxge_assert(txdl_priv); | |
2311 | ||
2312 | fifo->channel.reserve_arr[fifo->channel.reserve_ptr - 1 - index] = txdp; | |
2313 | ||
2314 | /* pre-format HW's TxDL's private */ | |
2315 | txdl_priv->dma_offset = (char *)txdp - (char *)memblock; | |
2316 | txdl_priv->dma_addr = dma_object->addr + txdl_priv->dma_offset; | |
2317 | txdl_priv->dma_handle = dma_object->handle; | |
2318 | txdl_priv->memblock = memblock; | |
2319 | txdl_priv->first_txdp = txdp; | |
2320 | txdl_priv->next_txdl_priv = NULL; | |
2321 | txdl_priv->alloc_frags = 0; | |
2322 | ||
2323 | return; | |
2324 | } | |
2325 | ||
2326 | /* | |
2327 | * __vxge_hw_fifo_create - Create a FIFO | |
2328 | * This function creates FIFO and initializes it. | |
2329 | */ | |
2330 | enum vxge_hw_status | |
2331 | __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, | |
2332 | struct vxge_hw_fifo_attr *attr) | |
2333 | { | |
2334 | enum vxge_hw_status status = VXGE_HW_OK; | |
2335 | struct __vxge_hw_fifo *fifo; | |
2336 | struct vxge_hw_fifo_config *config; | |
2337 | u32 txdl_size, txdl_per_memblock; | |
2338 | struct vxge_hw_mempool_cbs fifo_mp_callback; | |
2339 | struct __vxge_hw_virtualpath *vpath; | |
2340 | ||
2341 | if ((vp == NULL) || (attr == NULL)) { | |
2342 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
2343 | goto exit; | |
2344 | } | |
2345 | vpath = vp->vpath; | |
2346 | config = &vpath->hldev->config.vp_config[vpath->vp_id].fifo; | |
2347 | ||
2348 | txdl_size = config->max_frags * sizeof(struct vxge_hw_fifo_txd); | |
2349 | ||
2350 | txdl_per_memblock = config->memblock_size / txdl_size; | |
2351 | ||
2352 | fifo = (struct __vxge_hw_fifo *)__vxge_hw_channel_allocate(vp, | |
2353 | VXGE_HW_CHANNEL_TYPE_FIFO, | |
2354 | config->fifo_blocks * txdl_per_memblock, | |
2355 | attr->per_txdl_space, attr->userdata); | |
2356 | ||
2357 | if (fifo == NULL) { | |
2358 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2359 | goto exit; | |
2360 | } | |
2361 | ||
2362 | vpath->fifoh = fifo; | |
2363 | fifo->nofl_db = vpath->nofl_db; | |
2364 | ||
2365 | fifo->vp_id = vpath->vp_id; | |
2366 | fifo->vp_reg = vpath->vp_reg; | |
2367 | fifo->stats = &vpath->sw_stats->fifo_stats; | |
2368 | ||
2369 | fifo->config = config; | |
2370 | ||
2371 | /* apply "interrupts per txdl" attribute */ | |
2372 | fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_UTILZ; | |
2373 | ||
2374 | if (fifo->config->intr) | |
2375 | fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_PER_LIST; | |
2376 | ||
2377 | fifo->no_snoop_bits = config->no_snoop_bits; | |
2378 | ||
2379 | /* | |
2380 | * FIFO memory management strategy: | |
2381 | * | |
2382 | * TxDL split into three independent parts: | |
2383 | * - set of TxD's | |
2384 | * - TxD HW private part | |
2385 | * - driver private part | |
2386 | * | |
2387 | * Adaptative memory allocation used. i.e. Memory allocated on | |
2388 | * demand with the size which will fit into one memory block. | |
2389 | * One memory block may contain more than one TxDL. | |
2390 | * | |
2391 | * During "reserve" operations more memory can be allocated on demand | |
2392 | * for example due to FIFO full condition. | |
2393 | * | |
2394 | * Pool of memory memblocks never shrinks except in __vxge_hw_fifo_close | |
2395 | * routine which will essentially stop the channel and free resources. | |
2396 | */ | |
2397 | ||
2398 | /* TxDL common private size == TxDL private + driver private */ | |
2399 | fifo->priv_size = | |
2400 | sizeof(struct __vxge_hw_fifo_txdl_priv) + attr->per_txdl_space; | |
2401 | fifo->priv_size = ((fifo->priv_size + VXGE_CACHE_LINE_SIZE - 1) / | |
2402 | VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; | |
2403 | ||
2404 | fifo->per_txdl_space = attr->per_txdl_space; | |
2405 | ||
2406 | /* recompute txdl size to be cacheline aligned */ | |
2407 | fifo->txdl_size = txdl_size; | |
2408 | fifo->txdl_per_memblock = txdl_per_memblock; | |
2409 | ||
2410 | fifo->txdl_term = attr->txdl_term; | |
2411 | fifo->callback = attr->callback; | |
2412 | ||
2413 | if (fifo->txdl_per_memblock == 0) { | |
2414 | __vxge_hw_fifo_delete(vp); | |
2415 | status = VXGE_HW_ERR_INVALID_BLOCK_SIZE; | |
2416 | goto exit; | |
2417 | } | |
2418 | ||
2419 | fifo_mp_callback.item_func_alloc = __vxge_hw_fifo_mempool_item_alloc; | |
2420 | ||
2421 | fifo->mempool = | |
2422 | __vxge_hw_mempool_create(vpath->hldev, | |
2423 | fifo->config->memblock_size, | |
2424 | fifo->txdl_size, | |
2425 | fifo->priv_size, | |
2426 | (fifo->config->fifo_blocks * fifo->txdl_per_memblock), | |
2427 | (fifo->config->fifo_blocks * fifo->txdl_per_memblock), | |
2428 | &fifo_mp_callback, | |
2429 | fifo); | |
2430 | ||
2431 | if (fifo->mempool == NULL) { | |
2432 | __vxge_hw_fifo_delete(vp); | |
2433 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2434 | goto exit; | |
2435 | } | |
2436 | ||
2437 | status = __vxge_hw_channel_initialize(&fifo->channel); | |
2438 | if (status != VXGE_HW_OK) { | |
2439 | __vxge_hw_fifo_delete(vp); | |
2440 | goto exit; | |
2441 | } | |
2442 | ||
2443 | vxge_assert(fifo->channel.reserve_ptr); | |
2444 | exit: | |
2445 | return status; | |
2446 | } | |
2447 | ||
2448 | /* | |
2449 | * __vxge_hw_fifo_abort - Returns the TxD | |
2450 | * This function terminates the TxDs of fifo | |
2451 | */ | |
2452 | enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo) | |
2453 | { | |
2454 | void *txdlh; | |
2455 | ||
2456 | for (;;) { | |
2457 | vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh); | |
2458 | ||
2459 | if (txdlh == NULL) | |
2460 | break; | |
2461 | ||
2462 | vxge_hw_channel_dtr_complete(&fifo->channel); | |
2463 | ||
2464 | if (fifo->txdl_term) { | |
2465 | fifo->txdl_term(txdlh, | |
2466 | VXGE_HW_TXDL_STATE_POSTED, | |
2467 | fifo->channel.userdata); | |
2468 | } | |
2469 | ||
2470 | vxge_hw_channel_dtr_free(&fifo->channel, txdlh); | |
2471 | } | |
2472 | ||
2473 | return VXGE_HW_OK; | |
2474 | } | |
2475 | ||
2476 | /* | |
2477 | * __vxge_hw_fifo_reset - Resets the fifo | |
2478 | * This function resets the fifo during vpath reset operation | |
2479 | */ | |
2480 | enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo) | |
2481 | { | |
2482 | enum vxge_hw_status status = VXGE_HW_OK; | |
2483 | ||
2484 | __vxge_hw_fifo_abort(fifo); | |
2485 | status = __vxge_hw_channel_reset(&fifo->channel); | |
2486 | ||
2487 | return status; | |
2488 | } | |
2489 | ||
2490 | /* | |
2491 | * __vxge_hw_fifo_delete - Removes the FIFO | |
2492 | * This function freeup the memory pool and removes the FIFO | |
2493 | */ | |
2494 | enum vxge_hw_status __vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp) | |
2495 | { | |
2496 | struct __vxge_hw_fifo *fifo = vp->vpath->fifoh; | |
2497 | ||
2498 | __vxge_hw_fifo_abort(fifo); | |
2499 | ||
2500 | if (fifo->mempool) | |
2501 | __vxge_hw_mempool_destroy(fifo->mempool); | |
2502 | ||
2503 | vp->vpath->fifoh = NULL; | |
2504 | ||
2505 | __vxge_hw_channel_free(&fifo->channel); | |
2506 | ||
2507 | return VXGE_HW_OK; | |
2508 | } | |
2509 | ||
2510 | /* | |
2511 | * __vxge_hw_vpath_pci_read - Read the content of given address | |
2512 | * in pci config space. | |
2513 | * Read from the vpath pci config space. | |
2514 | */ | |
2515 | enum vxge_hw_status | |
2516 | __vxge_hw_vpath_pci_read(struct __vxge_hw_virtualpath *vpath, | |
2517 | u32 phy_func_0, u32 offset, u32 *val) | |
2518 | { | |
2519 | u64 val64; | |
2520 | enum vxge_hw_status status = VXGE_HW_OK; | |
2521 | struct vxge_hw_vpath_reg __iomem *vp_reg = vpath->vp_reg; | |
2522 | ||
2523 | val64 = VXGE_HW_PCI_CONFIG_ACCESS_CFG1_ADDRESS(offset); | |
2524 | ||
2525 | if (phy_func_0) | |
2526 | val64 |= VXGE_HW_PCI_CONFIG_ACCESS_CFG1_SEL_FUNC0; | |
2527 | ||
2528 | writeq(val64, &vp_reg->pci_config_access_cfg1); | |
2529 | wmb(); | |
2530 | writeq(VXGE_HW_PCI_CONFIG_ACCESS_CFG2_REQ, | |
2531 | &vp_reg->pci_config_access_cfg2); | |
2532 | wmb(); | |
2533 | ||
2534 | status = __vxge_hw_device_register_poll( | |
2535 | &vp_reg->pci_config_access_cfg2, | |
2536 | VXGE_HW_INTR_MASK_ALL, VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2537 | ||
2538 | if (status != VXGE_HW_OK) | |
2539 | goto exit; | |
2540 | ||
2541 | val64 = readq(&vp_reg->pci_config_access_status); | |
2542 | ||
2543 | if (val64 & VXGE_HW_PCI_CONFIG_ACCESS_STATUS_ACCESS_ERR) { | |
2544 | status = VXGE_HW_FAIL; | |
2545 | *val = 0; | |
2546 | } else | |
2547 | *val = (u32)vxge_bVALn(val64, 32, 32); | |
2548 | exit: | |
2549 | return status; | |
2550 | } | |
2551 | ||
2552 | /* | |
2553 | * __vxge_hw_vpath_func_id_get - Get the function id of the vpath. | |
2554 | * Returns the function number of the vpath. | |
2555 | */ | |
2556 | u32 | |
2557 | __vxge_hw_vpath_func_id_get(u32 vp_id, | |
2558 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg) | |
2559 | { | |
2560 | u64 val64; | |
2561 | ||
2562 | val64 = readq(&vpmgmt_reg->vpath_to_func_map_cfg1); | |
2563 | ||
2564 | return | |
2565 | (u32)VXGE_HW_VPATH_TO_FUNC_MAP_CFG1_GET_VPATH_TO_FUNC_MAP_CFG1(val64); | |
2566 | } | |
2567 | ||
2568 | /* | |
2569 | * __vxge_hw_read_rts_ds - Program RTS steering critieria | |
2570 | */ | |
2571 | static inline void | |
2572 | __vxge_hw_read_rts_ds(struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
2573 | u64 dta_struct_sel) | |
2574 | { | |
2575 | writeq(0, &vpath_reg->rts_access_steer_ctrl); | |
2576 | wmb(); | |
2577 | writeq(dta_struct_sel, &vpath_reg->rts_access_steer_data0); | |
2578 | writeq(0, &vpath_reg->rts_access_steer_data1); | |
2579 | wmb(); | |
2580 | return; | |
2581 | } | |
2582 | ||
2583 | ||
2584 | /* | |
2585 | * __vxge_hw_vpath_card_info_get - Get the serial numbers, | |
2586 | * part number and product description. | |
2587 | */ | |
2588 | enum vxge_hw_status | |
2589 | __vxge_hw_vpath_card_info_get( | |
2590 | u32 vp_id, | |
2591 | struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
2592 | struct vxge_hw_device_hw_info *hw_info) | |
2593 | { | |
2594 | u32 i, j; | |
2595 | u64 val64; | |
2596 | u64 data1 = 0ULL; | |
2597 | u64 data2 = 0ULL; | |
2598 | enum vxge_hw_status status = VXGE_HW_OK; | |
2599 | u8 *serial_number = hw_info->serial_number; | |
2600 | u8 *part_number = hw_info->part_number; | |
2601 | u8 *product_desc = hw_info->product_desc; | |
2602 | ||
2603 | __vxge_hw_read_rts_ds(vpath_reg, | |
2604 | VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_SERIAL_NUMBER); | |
2605 | ||
2606 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2607 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2608 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2609 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2610 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2611 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2612 | ||
2613 | status = __vxge_hw_pio_mem_write64(val64, | |
2614 | &vpath_reg->rts_access_steer_ctrl, | |
2615 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2616 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2617 | ||
2618 | if (status != VXGE_HW_OK) | |
2619 | return status; | |
2620 | ||
2621 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2622 | ||
2623 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2624 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2625 | ((u64 *)serial_number)[0] = be64_to_cpu(data1); | |
2626 | ||
2627 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2628 | ((u64 *)serial_number)[1] = be64_to_cpu(data2); | |
2629 | status = VXGE_HW_OK; | |
2630 | } else | |
2631 | *serial_number = 0; | |
2632 | ||
2633 | __vxge_hw_read_rts_ds(vpath_reg, | |
2634 | VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PART_NUMBER); | |
2635 | ||
2636 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2637 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2638 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2639 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2640 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2641 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2642 | ||
2643 | status = __vxge_hw_pio_mem_write64(val64, | |
2644 | &vpath_reg->rts_access_steer_ctrl, | |
2645 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2646 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2647 | ||
2648 | if (status != VXGE_HW_OK) | |
2649 | return status; | |
2650 | ||
2651 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2652 | ||
2653 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2654 | ||
2655 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2656 | ((u64 *)part_number)[0] = be64_to_cpu(data1); | |
2657 | ||
2658 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2659 | ((u64 *)part_number)[1] = be64_to_cpu(data2); | |
2660 | ||
2661 | status = VXGE_HW_OK; | |
2662 | ||
2663 | } else | |
2664 | *part_number = 0; | |
2665 | ||
2666 | j = 0; | |
2667 | ||
2668 | for (i = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_0; | |
2669 | i <= VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_3; i++) { | |
2670 | ||
2671 | __vxge_hw_read_rts_ds(vpath_reg, i); | |
2672 | ||
2673 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2674 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2675 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2676 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2677 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2678 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2679 | ||
2680 | status = __vxge_hw_pio_mem_write64(val64, | |
2681 | &vpath_reg->rts_access_steer_ctrl, | |
2682 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2683 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2684 | ||
2685 | if (status != VXGE_HW_OK) | |
2686 | return status; | |
2687 | ||
2688 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2689 | ||
2690 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2691 | ||
2692 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2693 | ((u64 *)product_desc)[j++] = be64_to_cpu(data1); | |
2694 | ||
2695 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2696 | ((u64 *)product_desc)[j++] = be64_to_cpu(data2); | |
2697 | ||
2698 | status = VXGE_HW_OK; | |
2699 | } else | |
2700 | *product_desc = 0; | |
2701 | } | |
2702 | ||
2703 | return status; | |
2704 | } | |
2705 | ||
2706 | /* | |
2707 | * __vxge_hw_vpath_fw_ver_get - Get the fw version | |
2708 | * Returns FW Version | |
2709 | */ | |
2710 | enum vxge_hw_status | |
2711 | __vxge_hw_vpath_fw_ver_get( | |
2712 | u32 vp_id, | |
2713 | struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
2714 | struct vxge_hw_device_hw_info *hw_info) | |
2715 | { | |
2716 | u64 val64; | |
2717 | u64 data1 = 0ULL; | |
2718 | u64 data2 = 0ULL; | |
2719 | struct vxge_hw_device_version *fw_version = &hw_info->fw_version; | |
2720 | struct vxge_hw_device_date *fw_date = &hw_info->fw_date; | |
2721 | struct vxge_hw_device_version *flash_version = &hw_info->flash_version; | |
2722 | struct vxge_hw_device_date *flash_date = &hw_info->flash_date; | |
2723 | enum vxge_hw_status status = VXGE_HW_OK; | |
2724 | ||
2725 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2726 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY) | | |
2727 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2728 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2729 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2730 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2731 | ||
2732 | status = __vxge_hw_pio_mem_write64(val64, | |
2733 | &vpath_reg->rts_access_steer_ctrl, | |
2734 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2735 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2736 | ||
2737 | if (status != VXGE_HW_OK) | |
2738 | goto exit; | |
2739 | ||
2740 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2741 | ||
2742 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2743 | ||
2744 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2745 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2746 | ||
2747 | fw_date->day = | |
2748 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_DAY( | |
2749 | data1); | |
2750 | fw_date->month = | |
2751 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MONTH( | |
2752 | data1); | |
2753 | fw_date->year = | |
2754 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_YEAR( | |
2755 | data1); | |
2756 | ||
2757 | snprintf(fw_date->date, VXGE_HW_FW_STRLEN, "%2.2d/%2.2d/%4.4d", | |
2758 | fw_date->month, fw_date->day, fw_date->year); | |
2759 | ||
2760 | fw_version->major = | |
2761 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MAJOR(data1); | |
2762 | fw_version->minor = | |
2763 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MINOR(data1); | |
2764 | fw_version->build = | |
2765 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_BUILD(data1); | |
2766 | ||
2767 | snprintf(fw_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d", | |
2768 | fw_version->major, fw_version->minor, fw_version->build); | |
2769 | ||
2770 | flash_date->day = | |
2771 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_DAY(data2); | |
2772 | flash_date->month = | |
2773 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MONTH(data2); | |
2774 | flash_date->year = | |
2775 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_YEAR(data2); | |
2776 | ||
2777 | snprintf(flash_date->date, VXGE_HW_FW_STRLEN, | |
2778 | "%2.2d/%2.2d/%4.4d", | |
2779 | flash_date->month, flash_date->day, flash_date->year); | |
2780 | ||
2781 | flash_version->major = | |
2782 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MAJOR(data2); | |
2783 | flash_version->minor = | |
2784 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MINOR(data2); | |
2785 | flash_version->build = | |
2786 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_BUILD(data2); | |
2787 | ||
2788 | snprintf(flash_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d", | |
2789 | flash_version->major, flash_version->minor, | |
2790 | flash_version->build); | |
2791 | ||
2792 | status = VXGE_HW_OK; | |
2793 | ||
2794 | } else | |
2795 | status = VXGE_HW_FAIL; | |
2796 | exit: | |
2797 | return status; | |
2798 | } | |
2799 | ||
2800 | /* | |
2801 | * __vxge_hw_vpath_pci_func_mode_get - Get the pci mode | |
2802 | * Returns pci function mode | |
2803 | */ | |
2804 | u64 | |
2805 | __vxge_hw_vpath_pci_func_mode_get( | |
2806 | u32 vp_id, | |
2807 | struct vxge_hw_vpath_reg __iomem *vpath_reg) | |
2808 | { | |
2809 | u64 val64; | |
2810 | u64 data1 = 0ULL; | |
2811 | enum vxge_hw_status status = VXGE_HW_OK; | |
2812 | ||
2813 | __vxge_hw_read_rts_ds(vpath_reg, | |
2814 | VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PCI_MODE); | |
2815 | ||
2816 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2817 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2818 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2819 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2820 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2821 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2822 | ||
2823 | status = __vxge_hw_pio_mem_write64(val64, | |
2824 | &vpath_reg->rts_access_steer_ctrl, | |
2825 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2826 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2827 | ||
2828 | if (status != VXGE_HW_OK) | |
2829 | goto exit; | |
2830 | ||
2831 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2832 | ||
2833 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2834 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2835 | status = VXGE_HW_OK; | |
2836 | } else { | |
2837 | data1 = 0; | |
2838 | status = VXGE_HW_FAIL; | |
2839 | } | |
2840 | exit: | |
2841 | return data1; | |
2842 | } | |
2843 | ||
2844 | /** | |
2845 | * vxge_hw_device_flick_link_led - Flick (blink) link LED. | |
2846 | * @hldev: HW device. | |
2847 | * @on_off: TRUE if flickering to be on, FALSE to be off | |
2848 | * | |
2849 | * Flicker the link LED. | |
2850 | */ | |
2851 | enum vxge_hw_status | |
2852 | vxge_hw_device_flick_link_led(struct __vxge_hw_device *hldev, | |
2853 | u64 on_off) | |
2854 | { | |
2855 | u64 val64; | |
2856 | enum vxge_hw_status status = VXGE_HW_OK; | |
2857 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
2858 | ||
2859 | if (hldev == NULL) { | |
2860 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
2861 | goto exit; | |
2862 | } | |
2863 | ||
2864 | vp_reg = hldev->vpath_reg[hldev->first_vp_id]; | |
2865 | ||
2866 | writeq(0, &vp_reg->rts_access_steer_ctrl); | |
2867 | wmb(); | |
2868 | writeq(on_off, &vp_reg->rts_access_steer_data0); | |
2869 | writeq(0, &vp_reg->rts_access_steer_data1); | |
2870 | wmb(); | |
2871 | ||
2872 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2873 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LED_CONTROL) | | |
2874 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2875 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2876 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2877 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2878 | ||
2879 | status = __vxge_hw_pio_mem_write64(val64, | |
2880 | &vp_reg->rts_access_steer_ctrl, | |
2881 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2882 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2883 | exit: | |
2884 | return status; | |
2885 | } | |
2886 | ||
2887 | /* | |
2888 | * __vxge_hw_vpath_rts_table_get - Get the entries from RTS access tables | |
2889 | */ | |
2890 | enum vxge_hw_status | |
2891 | __vxge_hw_vpath_rts_table_get( | |
2892 | struct __vxge_hw_vpath_handle *vp, | |
2893 | u32 action, u32 rts_table, u32 offset, u64 *data1, u64 *data2) | |
2894 | { | |
2895 | u64 val64; | |
2896 | struct __vxge_hw_virtualpath *vpath; | |
2897 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
2898 | ||
2899 | enum vxge_hw_status status = VXGE_HW_OK; | |
2900 | ||
2901 | if (vp == NULL) { | |
2902 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
2903 | goto exit; | |
2904 | } | |
2905 | ||
2906 | vpath = vp->vpath; | |
2907 | vp_reg = vpath->vp_reg; | |
2908 | ||
2909 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) | | |
2910 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(rts_table) | | |
2911 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2912 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset); | |
2913 | ||
2914 | if ((rts_table == | |
2915 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT) || | |
2916 | (rts_table == | |
2917 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT) || | |
2918 | (rts_table == | |
2919 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MASK) || | |
2920 | (rts_table == | |
2921 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_KEY)) { | |
2922 | val64 = val64 | VXGE_HW_RTS_ACCESS_STEER_CTRL_TABLE_SEL; | |
2923 | } | |
2924 | ||
2925 | status = __vxge_hw_pio_mem_write64(val64, | |
2926 | &vp_reg->rts_access_steer_ctrl, | |
2927 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2928 | vpath->hldev->config.device_poll_millis); | |
2929 | ||
2930 | if (status != VXGE_HW_OK) | |
2931 | goto exit; | |
2932 | ||
2933 | val64 = readq(&vp_reg->rts_access_steer_ctrl); | |
2934 | ||
2935 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2936 | ||
2937 | *data1 = readq(&vp_reg->rts_access_steer_data0); | |
2938 | ||
2939 | if ((rts_table == | |
2940 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) || | |
2941 | (rts_table == | |
2942 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) { | |
2943 | *data2 = readq(&vp_reg->rts_access_steer_data1); | |
2944 | } | |
2945 | status = VXGE_HW_OK; | |
2946 | } else | |
2947 | status = VXGE_HW_FAIL; | |
2948 | exit: | |
2949 | return status; | |
2950 | } | |
2951 | ||
2952 | /* | |
2953 | * __vxge_hw_vpath_rts_table_set - Set the entries of RTS access tables | |
2954 | */ | |
2955 | enum vxge_hw_status | |
2956 | __vxge_hw_vpath_rts_table_set( | |
2957 | struct __vxge_hw_vpath_handle *vp, u32 action, u32 rts_table, | |
2958 | u32 offset, u64 data1, u64 data2) | |
2959 | { | |
2960 | u64 val64; | |
2961 | struct __vxge_hw_virtualpath *vpath; | |
2962 | enum vxge_hw_status status = VXGE_HW_OK; | |
2963 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
2964 | ||
2965 | if (vp == NULL) { | |
2966 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
2967 | goto exit; | |
2968 | } | |
2969 | ||
2970 | vpath = vp->vpath; | |
2971 | vp_reg = vpath->vp_reg; | |
2972 | ||
2973 | writeq(data1, &vp_reg->rts_access_steer_data0); | |
2974 | wmb(); | |
2975 | ||
2976 | if ((rts_table == VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) || | |
2977 | (rts_table == | |
2978 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) { | |
2979 | writeq(data2, &vp_reg->rts_access_steer_data1); | |
2980 | wmb(); | |
2981 | } | |
2982 | ||
2983 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) | | |
2984 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(rts_table) | | |
2985 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2986 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset); | |
2987 | ||
2988 | status = __vxge_hw_pio_mem_write64(val64, | |
2989 | &vp_reg->rts_access_steer_ctrl, | |
2990 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2991 | vpath->hldev->config.device_poll_millis); | |
2992 | ||
2993 | if (status != VXGE_HW_OK) | |
2994 | goto exit; | |
2995 | ||
2996 | val64 = readq(&vp_reg->rts_access_steer_ctrl); | |
2997 | ||
2998 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) | |
2999 | status = VXGE_HW_OK; | |
3000 | else | |
3001 | status = VXGE_HW_FAIL; | |
3002 | exit: | |
3003 | return status; | |
3004 | } | |
3005 | ||
3006 | /* | |
3007 | * __vxge_hw_vpath_addr_get - Get the hw address entry for this vpath | |
3008 | * from MAC address table. | |
3009 | */ | |
3010 | enum vxge_hw_status | |
3011 | __vxge_hw_vpath_addr_get( | |
3012 | u32 vp_id, struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
3013 | u8 (macaddr)[ETH_ALEN], u8 (macaddr_mask)[ETH_ALEN]) | |
3014 | { | |
3015 | u32 i; | |
3016 | u64 val64; | |
3017 | u64 data1 = 0ULL; | |
3018 | u64 data2 = 0ULL; | |
3019 | enum vxge_hw_status status = VXGE_HW_OK; | |
3020 | ||
3021 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
3022 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_FIRST_ENTRY) | | |
3023 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
3024 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) | | |
3025 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
3026 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
3027 | ||
3028 | status = __vxge_hw_pio_mem_write64(val64, | |
3029 | &vpath_reg->rts_access_steer_ctrl, | |
3030 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
3031 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
3032 | ||
3033 | if (status != VXGE_HW_OK) | |
3034 | goto exit; | |
3035 | ||
3036 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
3037 | ||
3038 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
3039 | ||
3040 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
3041 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
3042 | ||
3043 | data1 = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_DA_MAC_ADDR(data1); | |
3044 | data2 = VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_DA_MAC_ADDR_MASK( | |
3045 | data2); | |
3046 | ||
3047 | for (i = ETH_ALEN; i > 0; i--) { | |
3048 | macaddr[i-1] = (u8)(data1 & 0xFF); | |
3049 | data1 >>= 8; | |
3050 | ||
3051 | macaddr_mask[i-1] = (u8)(data2 & 0xFF); | |
3052 | data2 >>= 8; | |
3053 | } | |
3054 | status = VXGE_HW_OK; | |
3055 | } else | |
3056 | status = VXGE_HW_FAIL; | |
3057 | exit: | |
3058 | return status; | |
3059 | } | |
3060 | ||
3061 | /* | |
3062 | * vxge_hw_vpath_rts_rth_set - Set/configure RTS hashing. | |
3063 | */ | |
3064 | enum vxge_hw_status vxge_hw_vpath_rts_rth_set( | |
3065 | struct __vxge_hw_vpath_handle *vp, | |
3066 | enum vxge_hw_rth_algoritms algorithm, | |
3067 | struct vxge_hw_rth_hash_types *hash_type, | |
3068 | u16 bucket_size) | |
3069 | { | |
3070 | u64 data0, data1; | |
3071 | enum vxge_hw_status status = VXGE_HW_OK; | |
3072 | ||
3073 | if (vp == NULL) { | |
3074 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3075 | goto exit; | |
3076 | } | |
3077 | ||
3078 | status = __vxge_hw_vpath_rts_table_get(vp, | |
3079 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY, | |
3080 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_GEN_CFG, | |
3081 | 0, &data0, &data1); | |
3082 | ||
3083 | data0 &= ~(VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_BUCKET_SIZE(0xf) | | |
3084 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ALG_SEL(0x3)); | |
3085 | ||
3086 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_EN | | |
3087 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_BUCKET_SIZE(bucket_size) | | |
3088 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ALG_SEL(algorithm); | |
3089 | ||
3090 | if (hash_type->hash_type_tcpipv4_en) | |
3091 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV4_EN; | |
3092 | ||
3093 | if (hash_type->hash_type_ipv4_en) | |
3094 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV4_EN; | |
3095 | ||
3096 | if (hash_type->hash_type_tcpipv6_en) | |
3097 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV6_EN; | |
3098 | ||
3099 | if (hash_type->hash_type_ipv6_en) | |
3100 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV6_EN; | |
3101 | ||
3102 | if (hash_type->hash_type_tcpipv6ex_en) | |
3103 | data0 |= | |
3104 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV6_EX_EN; | |
3105 | ||
3106 | if (hash_type->hash_type_ipv6ex_en) | |
3107 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV6_EX_EN; | |
3108 | ||
3109 | if (VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_RTH_GEN_ACTIVE_TABLE(data0)) | |
3110 | data0 &= ~VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ACTIVE_TABLE; | |
3111 | else | |
3112 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ACTIVE_TABLE; | |
3113 | ||
3114 | status = __vxge_hw_vpath_rts_table_set(vp, | |
3115 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY, | |
3116 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_GEN_CFG, | |
3117 | 0, data0, 0); | |
3118 | exit: | |
3119 | return status; | |
3120 | } | |
3121 | ||
3122 | static void | |
3123 | vxge_hw_rts_rth_data0_data1_get(u32 j, u64 *data0, u64 *data1, | |
3124 | u16 flag, u8 *itable) | |
3125 | { | |
3126 | switch (flag) { | |
3127 | case 1: | |
3128 | *data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_BUCKET_NUM(j)| | |
3129 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_ENTRY_EN | | |
3130 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_BUCKET_DATA( | |
3131 | itable[j]); | |
3132 | case 2: | |
3133 | *data0 |= | |
3134 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_NUM(j)| | |
3135 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_ENTRY_EN | | |
3136 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_DATA( | |
3137 | itable[j]); | |
3138 | case 3: | |
3139 | *data1 = VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_NUM(j)| | |
3140 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_ENTRY_EN | | |
3141 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_DATA( | |
3142 | itable[j]); | |
3143 | case 4: | |
3144 | *data1 |= | |
3145 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_BUCKET_NUM(j)| | |
3146 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_ENTRY_EN | | |
3147 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_BUCKET_DATA( | |
3148 | itable[j]); | |
3149 | default: | |
3150 | return; | |
3151 | } | |
3152 | } | |
3153 | /* | |
3154 | * vxge_hw_vpath_rts_rth_itable_set - Set/configure indirection table (IT). | |
3155 | */ | |
3156 | enum vxge_hw_status vxge_hw_vpath_rts_rth_itable_set( | |
3157 | struct __vxge_hw_vpath_handle **vpath_handles, | |
3158 | u32 vpath_count, | |
3159 | u8 *mtable, | |
3160 | u8 *itable, | |
3161 | u32 itable_size) | |
3162 | { | |
3163 | u32 i, j, action, rts_table; | |
3164 | u64 data0; | |
3165 | u64 data1; | |
3166 | u32 max_entries; | |
3167 | enum vxge_hw_status status = VXGE_HW_OK; | |
3168 | struct __vxge_hw_vpath_handle *vp = vpath_handles[0]; | |
3169 | ||
3170 | if (vp == NULL) { | |
3171 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3172 | goto exit; | |
3173 | } | |
3174 | ||
3175 | max_entries = (((u32)1) << itable_size); | |
3176 | ||
3177 | if (vp->vpath->hldev->config.rth_it_type | |
3178 | == VXGE_HW_RTH_IT_TYPE_SOLO_IT) { | |
3179 | action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY; | |
3180 | rts_table = | |
3181 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT; | |
3182 | ||
3183 | for (j = 0; j < max_entries; j++) { | |
3184 | ||
3185 | data1 = 0; | |
3186 | ||
3187 | data0 = | |
3188 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_BUCKET_DATA( | |
3189 | itable[j]); | |
3190 | ||
3191 | status = __vxge_hw_vpath_rts_table_set(vpath_handles[0], | |
3192 | action, rts_table, j, data0, data1); | |
3193 | ||
3194 | if (status != VXGE_HW_OK) | |
3195 | goto exit; | |
3196 | } | |
3197 | ||
3198 | for (j = 0; j < max_entries; j++) { | |
3199 | ||
3200 | data1 = 0; | |
3201 | ||
3202 | data0 = | |
3203 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_ENTRY_EN | | |
3204 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_BUCKET_DATA( | |
3205 | itable[j]); | |
3206 | ||
3207 | status = __vxge_hw_vpath_rts_table_set( | |
3208 | vpath_handles[mtable[itable[j]]], action, | |
3209 | rts_table, j, data0, data1); | |
3210 | ||
3211 | if (status != VXGE_HW_OK) | |
3212 | goto exit; | |
3213 | } | |
3214 | } else { | |
3215 | action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY; | |
3216 | rts_table = | |
3217 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT; | |
3218 | for (i = 0; i < vpath_count; i++) { | |
3219 | ||
3220 | for (j = 0; j < max_entries;) { | |
3221 | ||
3222 | data0 = 0; | |
3223 | data1 = 0; | |
3224 | ||
3225 | while (j < max_entries) { | |
3226 | if (mtable[itable[j]] != i) { | |
3227 | j++; | |
3228 | continue; | |
3229 | } | |
3230 | vxge_hw_rts_rth_data0_data1_get(j, | |
3231 | &data0, &data1, 1, itable); | |
3232 | j++; | |
3233 | break; | |
3234 | } | |
3235 | ||
3236 | while (j < max_entries) { | |
3237 | if (mtable[itable[j]] != i) { | |
3238 | j++; | |
3239 | continue; | |
3240 | } | |
3241 | vxge_hw_rts_rth_data0_data1_get(j, | |
3242 | &data0, &data1, 2, itable); | |
3243 | j++; | |
3244 | break; | |
3245 | } | |
3246 | ||
3247 | while (j < max_entries) { | |
3248 | if (mtable[itable[j]] != i) { | |
3249 | j++; | |
3250 | continue; | |
3251 | } | |
3252 | vxge_hw_rts_rth_data0_data1_get(j, | |
3253 | &data0, &data1, 3, itable); | |
3254 | j++; | |
3255 | break; | |
3256 | } | |
3257 | ||
3258 | while (j < max_entries) { | |
3259 | if (mtable[itable[j]] != i) { | |
3260 | j++; | |
3261 | continue; | |
3262 | } | |
3263 | vxge_hw_rts_rth_data0_data1_get(j, | |
3264 | &data0, &data1, 4, itable); | |
3265 | j++; | |
3266 | break; | |
3267 | } | |
3268 | ||
3269 | if (data0 != 0) { | |
3270 | status = __vxge_hw_vpath_rts_table_set( | |
3271 | vpath_handles[i], | |
3272 | action, rts_table, | |
3273 | 0, data0, data1); | |
3274 | ||
3275 | if (status != VXGE_HW_OK) | |
3276 | goto exit; | |
3277 | } | |
3278 | } | |
3279 | } | |
3280 | } | |
3281 | exit: | |
3282 | return status; | |
3283 | } | |
3284 | ||
3285 | /** | |
3286 | * vxge_hw_vpath_check_leak - Check for memory leak | |
3287 | * @ringh: Handle to the ring object used for receive | |
3288 | * | |
3289 | * If PRC_RXD_DOORBELL_VPn.NEW_QW_CNT is larger or equal to | |
3290 | * PRC_CFG6_VPn.RXD_SPAT then a leak has occurred. | |
3291 | * Returns: VXGE_HW_FAIL, if leak has occurred. | |
3292 | * | |
3293 | */ | |
3294 | enum vxge_hw_status | |
3295 | vxge_hw_vpath_check_leak(struct __vxge_hw_ring *ring) | |
3296 | { | |
3297 | enum vxge_hw_status status = VXGE_HW_OK; | |
3298 | u64 rxd_new_count, rxd_spat; | |
3299 | ||
3300 | if (ring == NULL) | |
3301 | return status; | |
3302 | ||
3303 | rxd_new_count = readl(&ring->vp_reg->prc_rxd_doorbell); | |
3304 | rxd_spat = readq(&ring->vp_reg->prc_cfg6); | |
3305 | rxd_spat = VXGE_HW_PRC_CFG6_RXD_SPAT(rxd_spat); | |
3306 | ||
3307 | if (rxd_new_count >= rxd_spat) | |
3308 | status = VXGE_HW_FAIL; | |
3309 | ||
3310 | return status; | |
3311 | } | |
3312 | ||
3313 | /* | |
3314 | * __vxge_hw_vpath_mgmt_read | |
3315 | * This routine reads the vpath_mgmt registers | |
3316 | */ | |
3317 | static enum vxge_hw_status | |
3318 | __vxge_hw_vpath_mgmt_read( | |
3319 | struct __vxge_hw_device *hldev, | |
3320 | struct __vxge_hw_virtualpath *vpath) | |
3321 | { | |
3322 | u32 i, mtu = 0, max_pyld = 0; | |
3323 | u64 val64; | |
3324 | enum vxge_hw_status status = VXGE_HW_OK; | |
3325 | ||
3326 | for (i = 0; i < VXGE_HW_MAC_MAX_MAC_PORT_ID; i++) { | |
3327 | ||
3328 | val64 = readq(&vpath->vpmgmt_reg-> | |
3329 | rxmac_cfg0_port_vpmgmt_clone[i]); | |
3330 | max_pyld = | |
3331 | (u32) | |
3332 | VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_GET_MAX_PYLD_LEN | |
3333 | (val64); | |
3334 | if (mtu < max_pyld) | |
3335 | mtu = max_pyld; | |
3336 | } | |
3337 | ||
3338 | vpath->max_mtu = mtu + VXGE_HW_MAC_HEADER_MAX_SIZE; | |
3339 | ||
3340 | val64 = readq(&vpath->vpmgmt_reg->xmac_vsport_choices_vp); | |
3341 | ||
3342 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
3343 | if (val64 & vxge_mBIT(i)) | |
3344 | vpath->vsport_number = i; | |
3345 | } | |
3346 | ||
3347 | val64 = readq(&vpath->vpmgmt_reg->xgmac_gen_status_vpmgmt_clone); | |
3348 | ||
3349 | if (val64 & VXGE_HW_XGMAC_GEN_STATUS_VPMGMT_CLONE_XMACJ_NTWK_OK) | |
3350 | VXGE_HW_DEVICE_LINK_STATE_SET(vpath->hldev, VXGE_HW_LINK_UP); | |
3351 | else | |
3352 | VXGE_HW_DEVICE_LINK_STATE_SET(vpath->hldev, VXGE_HW_LINK_DOWN); | |
3353 | ||
3354 | return status; | |
3355 | } | |
3356 | ||
3357 | /* | |
3358 | * __vxge_hw_vpath_reset_check - Check if resetting the vpath completed | |
3359 | * This routine checks the vpath_rst_in_prog register to see if | |
3360 | * adapter completed the reset process for the vpath | |
3361 | */ | |
3362 | enum vxge_hw_status | |
3363 | __vxge_hw_vpath_reset_check(struct __vxge_hw_virtualpath *vpath) | |
3364 | { | |
3365 | enum vxge_hw_status status; | |
3366 | ||
3367 | status = __vxge_hw_device_register_poll( | |
3368 | &vpath->hldev->common_reg->vpath_rst_in_prog, | |
3369 | VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG( | |
3370 | 1 << (16 - vpath->vp_id)), | |
3371 | vpath->hldev->config.device_poll_millis); | |
3372 | ||
3373 | return status; | |
3374 | } | |
3375 | ||
3376 | /* | |
3377 | * __vxge_hw_vpath_reset | |
3378 | * This routine resets the vpath on the device | |
3379 | */ | |
3380 | enum vxge_hw_status | |
3381 | __vxge_hw_vpath_reset(struct __vxge_hw_device *hldev, u32 vp_id) | |
3382 | { | |
3383 | u64 val64; | |
3384 | enum vxge_hw_status status = VXGE_HW_OK; | |
3385 | ||
3386 | val64 = VXGE_HW_CMN_RSTHDLR_CFG0_SW_RESET_VPATH(1 << (16 - vp_id)); | |
3387 | ||
3388 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), | |
3389 | &hldev->common_reg->cmn_rsthdlr_cfg0); | |
3390 | ||
3391 | return status; | |
3392 | } | |
3393 | ||
3394 | /* | |
3395 | * __vxge_hw_vpath_sw_reset | |
3396 | * This routine resets the vpath structures | |
3397 | */ | |
3398 | enum vxge_hw_status | |
3399 | __vxge_hw_vpath_sw_reset(struct __vxge_hw_device *hldev, u32 vp_id) | |
3400 | { | |
3401 | enum vxge_hw_status status = VXGE_HW_OK; | |
3402 | struct __vxge_hw_virtualpath *vpath; | |
3403 | ||
3404 | vpath = (struct __vxge_hw_virtualpath *)&hldev->virtual_paths[vp_id]; | |
3405 | ||
3406 | if (vpath->ringh) { | |
3407 | status = __vxge_hw_ring_reset(vpath->ringh); | |
3408 | if (status != VXGE_HW_OK) | |
3409 | goto exit; | |
3410 | } | |
3411 | ||
3412 | if (vpath->fifoh) | |
3413 | status = __vxge_hw_fifo_reset(vpath->fifoh); | |
3414 | exit: | |
3415 | return status; | |
3416 | } | |
3417 | ||
3418 | /* | |
3419 | * __vxge_hw_vpath_prc_configure | |
3420 | * This routine configures the prc registers of virtual path using the config | |
3421 | * passed | |
3422 | */ | |
3423 | void | |
3424 | __vxge_hw_vpath_prc_configure(struct __vxge_hw_device *hldev, u32 vp_id) | |
3425 | { | |
3426 | u64 val64; | |
3427 | struct __vxge_hw_virtualpath *vpath; | |
3428 | struct vxge_hw_vp_config *vp_config; | |
3429 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3430 | ||
3431 | vpath = &hldev->virtual_paths[vp_id]; | |
3432 | vp_reg = vpath->vp_reg; | |
3433 | vp_config = vpath->vp_config; | |
3434 | ||
3435 | if (vp_config->ring.enable == VXGE_HW_RING_DISABLE) | |
3436 | return; | |
3437 | ||
3438 | val64 = readq(&vp_reg->prc_cfg1); | |
3439 | val64 |= VXGE_HW_PRC_CFG1_RTI_TINT_DISABLE; | |
3440 | writeq(val64, &vp_reg->prc_cfg1); | |
3441 | ||
3442 | val64 = readq(&vpath->vp_reg->prc_cfg6); | |
3443 | val64 |= VXGE_HW_PRC_CFG6_DOORBELL_MODE_EN; | |
3444 | writeq(val64, &vpath->vp_reg->prc_cfg6); | |
3445 | ||
3446 | val64 = readq(&vp_reg->prc_cfg7); | |
3447 | ||
3448 | if (vpath->vp_config->ring.scatter_mode != | |
3449 | VXGE_HW_RING_SCATTER_MODE_USE_FLASH_DEFAULT) { | |
3450 | ||
3451 | val64 &= ~VXGE_HW_PRC_CFG7_SCATTER_MODE(0x3); | |
3452 | ||
3453 | switch (vpath->vp_config->ring.scatter_mode) { | |
3454 | case VXGE_HW_RING_SCATTER_MODE_A: | |
3455 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
3456 | VXGE_HW_PRC_CFG7_SCATTER_MODE_A); | |
3457 | break; | |
3458 | case VXGE_HW_RING_SCATTER_MODE_B: | |
3459 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
3460 | VXGE_HW_PRC_CFG7_SCATTER_MODE_B); | |
3461 | break; | |
3462 | case VXGE_HW_RING_SCATTER_MODE_C: | |
3463 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
3464 | VXGE_HW_PRC_CFG7_SCATTER_MODE_C); | |
3465 | break; | |
3466 | } | |
3467 | } | |
3468 | ||
3469 | writeq(val64, &vp_reg->prc_cfg7); | |
3470 | ||
3471 | writeq(VXGE_HW_PRC_CFG5_RXD0_ADD( | |
3472 | __vxge_hw_ring_first_block_address_get( | |
3473 | vpath->ringh) >> 3), &vp_reg->prc_cfg5); | |
3474 | ||
3475 | val64 = readq(&vp_reg->prc_cfg4); | |
3476 | val64 |= VXGE_HW_PRC_CFG4_IN_SVC; | |
3477 | val64 &= ~VXGE_HW_PRC_CFG4_RING_MODE(0x3); | |
3478 | ||
3479 | val64 |= VXGE_HW_PRC_CFG4_RING_MODE( | |
3480 | VXGE_HW_PRC_CFG4_RING_MODE_ONE_BUFFER); | |
3481 | ||
3482 | if (hldev->config.rth_en == VXGE_HW_RTH_DISABLE) | |
3483 | val64 |= VXGE_HW_PRC_CFG4_RTH_DISABLE; | |
3484 | else | |
3485 | val64 &= ~VXGE_HW_PRC_CFG4_RTH_DISABLE; | |
3486 | ||
3487 | writeq(val64, &vp_reg->prc_cfg4); | |
3488 | return; | |
3489 | } | |
3490 | ||
3491 | /* | |
3492 | * __vxge_hw_vpath_kdfc_configure | |
3493 | * This routine configures the kdfc registers of virtual path using the | |
3494 | * config passed | |
3495 | */ | |
3496 | enum vxge_hw_status | |
3497 | __vxge_hw_vpath_kdfc_configure(struct __vxge_hw_device *hldev, u32 vp_id) | |
3498 | { | |
3499 | u64 val64; | |
3500 | u64 vpath_stride; | |
3501 | enum vxge_hw_status status = VXGE_HW_OK; | |
3502 | struct __vxge_hw_virtualpath *vpath; | |
3503 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3504 | ||
3505 | vpath = &hldev->virtual_paths[vp_id]; | |
3506 | vp_reg = vpath->vp_reg; | |
3507 | status = __vxge_hw_kdfc_swapper_set(hldev->legacy_reg, vp_reg); | |
3508 | ||
3509 | if (status != VXGE_HW_OK) | |
3510 | goto exit; | |
3511 | ||
3512 | val64 = readq(&vp_reg->kdfc_drbl_triplet_total); | |
3513 | ||
3514 | vpath->max_kdfc_db = | |
3515 | (u32)VXGE_HW_KDFC_DRBL_TRIPLET_TOTAL_GET_KDFC_MAX_SIZE( | |
3516 | val64+1)/2; | |
3517 | ||
3518 | if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
3519 | ||
3520 | vpath->max_nofl_db = vpath->max_kdfc_db; | |
3521 | ||
3522 | if (vpath->max_nofl_db < | |
3523 | ((vpath->vp_config->fifo.memblock_size / | |
3524 | (vpath->vp_config->fifo.max_frags * | |
3525 | sizeof(struct vxge_hw_fifo_txd))) * | |
3526 | vpath->vp_config->fifo.fifo_blocks)) { | |
3527 | ||
3528 | return VXGE_HW_BADCFG_FIFO_BLOCKS; | |
3529 | } | |
3530 | val64 = VXGE_HW_KDFC_FIFO_TRPL_PARTITION_LENGTH_0( | |
3531 | (vpath->max_nofl_db*2)-1); | |
3532 | } | |
3533 | ||
3534 | writeq(val64, &vp_reg->kdfc_fifo_trpl_partition); | |
3535 | ||
3536 | writeq(VXGE_HW_KDFC_FIFO_TRPL_CTRL_TRIPLET_ENABLE, | |
3537 | &vp_reg->kdfc_fifo_trpl_ctrl); | |
3538 | ||
3539 | val64 = readq(&vp_reg->kdfc_trpl_fifo_0_ctrl); | |
3540 | ||
3541 | val64 &= ~(VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE(0x3) | | |
3542 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SELECT(0xFF)); | |
3543 | ||
3544 | val64 |= VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE( | |
3545 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE_NON_OFFLOAD_ONLY) | | |
3546 | #ifndef __BIG_ENDIAN | |
3547 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SWAP_EN | | |
3548 | #endif | |
3549 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SELECT(0); | |
3550 | ||
3551 | writeq(val64, &vp_reg->kdfc_trpl_fifo_0_ctrl); | |
3552 | writeq((u64)0, &vp_reg->kdfc_trpl_fifo_0_wb_address); | |
3553 | wmb(); | |
3554 | vpath_stride = readq(&hldev->toc_reg->toc_kdfc_vpath_stride); | |
3555 | ||
3556 | vpath->nofl_db = | |
3557 | (struct __vxge_hw_non_offload_db_wrapper __iomem *) | |
3558 | (hldev->kdfc + (vp_id * | |
3559 | VXGE_HW_TOC_KDFC_VPATH_STRIDE_GET_TOC_KDFC_VPATH_STRIDE( | |
3560 | vpath_stride))); | |
3561 | exit: | |
3562 | return status; | |
3563 | } | |
3564 | ||
3565 | /* | |
3566 | * __vxge_hw_vpath_mac_configure | |
3567 | * This routine configures the mac of virtual path using the config passed | |
3568 | */ | |
3569 | enum vxge_hw_status | |
3570 | __vxge_hw_vpath_mac_configure(struct __vxge_hw_device *hldev, u32 vp_id) | |
3571 | { | |
3572 | u64 val64; | |
3573 | enum vxge_hw_status status = VXGE_HW_OK; | |
3574 | struct __vxge_hw_virtualpath *vpath; | |
3575 | struct vxge_hw_vp_config *vp_config; | |
3576 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3577 | ||
3578 | vpath = &hldev->virtual_paths[vp_id]; | |
3579 | vp_reg = vpath->vp_reg; | |
3580 | vp_config = vpath->vp_config; | |
3581 | ||
3582 | writeq(VXGE_HW_XMAC_VSPORT_CHOICE_VSPORT_NUMBER( | |
3583 | vpath->vsport_number), &vp_reg->xmac_vsport_choice); | |
3584 | ||
3585 | if (vp_config->ring.enable == VXGE_HW_RING_ENABLE) { | |
3586 | ||
3587 | val64 = readq(&vp_reg->xmac_rpa_vcfg); | |
3588 | ||
3589 | if (vp_config->rpa_strip_vlan_tag != | |
3590 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) { | |
3591 | if (vp_config->rpa_strip_vlan_tag) | |
3592 | val64 |= VXGE_HW_XMAC_RPA_VCFG_STRIP_VLAN_TAG; | |
3593 | else | |
3594 | val64 &= ~VXGE_HW_XMAC_RPA_VCFG_STRIP_VLAN_TAG; | |
3595 | } | |
3596 | ||
3597 | writeq(val64, &vp_reg->xmac_rpa_vcfg); | |
3598 | val64 = readq(&vp_reg->rxmac_vcfg0); | |
3599 | ||
3600 | if (vp_config->mtu != | |
3601 | VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) { | |
3602 | val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); | |
3603 | if ((vp_config->mtu + | |
3604 | VXGE_HW_MAC_HEADER_MAX_SIZE) < vpath->max_mtu) | |
3605 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN( | |
3606 | vp_config->mtu + | |
3607 | VXGE_HW_MAC_HEADER_MAX_SIZE); | |
3608 | else | |
3609 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN( | |
3610 | vpath->max_mtu); | |
3611 | } | |
3612 | ||
3613 | writeq(val64, &vp_reg->rxmac_vcfg0); | |
3614 | ||
3615 | val64 = readq(&vp_reg->rxmac_vcfg1); | |
3616 | ||
3617 | val64 &= ~(VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_BD_MODE(0x3) | | |
3618 | VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_EN_MODE); | |
3619 | ||
3620 | if (hldev->config.rth_it_type == | |
3621 | VXGE_HW_RTH_IT_TYPE_MULTI_IT) { | |
3622 | val64 |= VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_BD_MODE( | |
3623 | 0x2) | | |
3624 | VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_EN_MODE; | |
3625 | } | |
3626 | ||
3627 | writeq(val64, &vp_reg->rxmac_vcfg1); | |
3628 | } | |
3629 | return status; | |
3630 | } | |
3631 | ||
3632 | /* | |
3633 | * __vxge_hw_vpath_tim_configure | |
3634 | * This routine configures the tim registers of virtual path using the config | |
3635 | * passed | |
3636 | */ | |
3637 | enum vxge_hw_status | |
3638 | __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) | |
3639 | { | |
3640 | u64 val64; | |
3641 | enum vxge_hw_status status = VXGE_HW_OK; | |
3642 | struct __vxge_hw_virtualpath *vpath; | |
3643 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3644 | struct vxge_hw_vp_config *config; | |
3645 | ||
3646 | vpath = &hldev->virtual_paths[vp_id]; | |
3647 | vp_reg = vpath->vp_reg; | |
3648 | config = vpath->vp_config; | |
3649 | ||
3650 | writeq((u64)0, &vp_reg->tim_dest_addr); | |
3651 | writeq((u64)0, &vp_reg->tim_vpath_map); | |
3652 | writeq((u64)0, &vp_reg->tim_bitmap); | |
3653 | writeq((u64)0, &vp_reg->tim_remap); | |
3654 | ||
3655 | if (config->ring.enable == VXGE_HW_RING_ENABLE) | |
3656 | writeq(VXGE_HW_TIM_RING_ASSN_INT_NUM( | |
3657 | (vp_id * VXGE_HW_MAX_INTR_PER_VP) + | |
3658 | VXGE_HW_VPATH_INTR_RX), &vp_reg->tim_ring_assn); | |
3659 | ||
3660 | val64 = readq(&vp_reg->tim_pci_cfg); | |
3661 | val64 |= VXGE_HW_TIM_PCI_CFG_ADD_PAD; | |
3662 | writeq(val64, &vp_reg->tim_pci_cfg); | |
3663 | ||
3664 | if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
3665 | ||
3666 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3667 | ||
3668 | if (config->tti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3669 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3670 | 0x3ffffff); | |
3671 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3672 | config->tti.btimer_val); | |
3673 | } | |
3674 | ||
3675 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; | |
3676 | ||
3677 | if (config->tti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3678 | if (config->tti.timer_ac_en) | |
3679 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3680 | else | |
3681 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3682 | } | |
3683 | ||
3684 | if (config->tti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3685 | if (config->tti.timer_ci_en) | |
3686 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3687 | else | |
3688 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3689 | } | |
3690 | ||
3691 | if (config->tti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3692 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); | |
3693 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( | |
3694 | config->tti.urange_a); | |
3695 | } | |
3696 | ||
3697 | if (config->tti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3698 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); | |
3699 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( | |
3700 | config->tti.urange_b); | |
3701 | } | |
3702 | ||
3703 | if (config->tti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3704 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); | |
3705 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( | |
3706 | config->tti.urange_c); | |
3707 | } | |
3708 | ||
3709 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3710 | val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3711 | ||
3712 | if (config->tti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3713 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); | |
3714 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( | |
3715 | config->tti.uec_a); | |
3716 | } | |
3717 | ||
3718 | if (config->tti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3719 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); | |
3720 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( | |
3721 | config->tti.uec_b); | |
3722 | } | |
3723 | ||
3724 | if (config->tti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3725 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); | |
3726 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( | |
3727 | config->tti.uec_c); | |
3728 | } | |
3729 | ||
3730 | if (config->tti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { | |
3731 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); | |
3732 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( | |
3733 | config->tti.uec_d); | |
3734 | } | |
3735 | ||
3736 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3737 | val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3738 | ||
3739 | if (config->tti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3740 | if (config->tti.timer_ri_en) | |
3741 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3742 | else | |
3743 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3744 | } | |
3745 | ||
3746 | if (config->tti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3747 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3748 | 0x3ffffff); | |
3749 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3750 | config->tti.rtimer_val); | |
3751 | } | |
3752 | ||
3753 | if (config->tti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { | |
3754 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); | |
3755 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL( | |
3756 | config->tti.util_sel); | |
3757 | } | |
3758 | ||
3759 | if (config->tti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3760 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3761 | 0x3ffffff); | |
3762 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3763 | config->tti.ltimer_val); | |
3764 | } | |
3765 | ||
3766 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3767 | } | |
3768 | ||
3769 | if (config->ring.enable == VXGE_HW_RING_ENABLE) { | |
3770 | ||
3771 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3772 | ||
3773 | if (config->rti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3774 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3775 | 0x3ffffff); | |
3776 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3777 | config->rti.btimer_val); | |
3778 | } | |
3779 | ||
3780 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; | |
3781 | ||
3782 | if (config->rti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3783 | if (config->rti.timer_ac_en) | |
3784 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3785 | else | |
3786 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3787 | } | |
3788 | ||
3789 | if (config->rti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3790 | if (config->rti.timer_ci_en) | |
3791 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3792 | else | |
3793 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3794 | } | |
3795 | ||
3796 | if (config->rti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3797 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); | |
3798 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( | |
3799 | config->rti.urange_a); | |
3800 | } | |
3801 | ||
3802 | if (config->rti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3803 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); | |
3804 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( | |
3805 | config->rti.urange_b); | |
3806 | } | |
3807 | ||
3808 | if (config->rti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3809 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); | |
3810 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( | |
3811 | config->rti.urange_c); | |
3812 | } | |
3813 | ||
3814 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3815 | val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3816 | ||
3817 | if (config->rti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3818 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); | |
3819 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( | |
3820 | config->rti.uec_a); | |
3821 | } | |
3822 | ||
3823 | if (config->rti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3824 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); | |
3825 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( | |
3826 | config->rti.uec_b); | |
3827 | } | |
3828 | ||
3829 | if (config->rti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3830 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); | |
3831 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( | |
3832 | config->rti.uec_c); | |
3833 | } | |
3834 | ||
3835 | if (config->rti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { | |
3836 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); | |
3837 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( | |
3838 | config->rti.uec_d); | |
3839 | } | |
3840 | ||
3841 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3842 | val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3843 | ||
3844 | if (config->rti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3845 | if (config->rti.timer_ri_en) | |
3846 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3847 | else | |
3848 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3849 | } | |
3850 | ||
3851 | if (config->rti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3852 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3853 | 0x3ffffff); | |
3854 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3855 | config->rti.rtimer_val); | |
3856 | } | |
3857 | ||
3858 | if (config->rti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { | |
3859 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); | |
3860 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL( | |
3861 | config->rti.util_sel); | |
3862 | } | |
3863 | ||
3864 | if (config->rti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3865 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3866 | 0x3ffffff); | |
3867 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3868 | config->rti.ltimer_val); | |
3869 | } | |
3870 | ||
3871 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3872 | } | |
3873 | ||
3874 | val64 = 0; | |
3875 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
3876 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
3877 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
3878 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
3879 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
3880 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
3881 | ||
3882 | return status; | |
3883 | } | |
3884 | ||
eb5f10c2 SH |
3885 | void |
3886 | vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id) | |
3887 | { | |
3888 | struct __vxge_hw_virtualpath *vpath; | |
3889 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3890 | struct vxge_hw_vp_config *config; | |
3891 | u64 val64; | |
3892 | ||
3893 | vpath = &hldev->virtual_paths[vp_id]; | |
3894 | vp_reg = vpath->vp_reg; | |
3895 | config = vpath->vp_config; | |
3896 | ||
3897 | if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
3898 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3899 | ||
3900 | if (config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) { | |
3901 | config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE; | |
3902 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3903 | writeq(val64, | |
3904 | &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3905 | } | |
3906 | } | |
3907 | return; | |
3908 | } | |
40a3a915 RV |
3909 | /* |
3910 | * __vxge_hw_vpath_initialize | |
3911 | * This routine is the final phase of init which initializes the | |
3912 | * registers of the vpath using the configuration passed. | |
3913 | */ | |
3914 | enum vxge_hw_status | |
3915 | __vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id) | |
3916 | { | |
3917 | u64 val64; | |
3918 | u32 val32; | |
3919 | enum vxge_hw_status status = VXGE_HW_OK; | |
3920 | struct __vxge_hw_virtualpath *vpath; | |
3921 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3922 | ||
3923 | vpath = &hldev->virtual_paths[vp_id]; | |
3924 | ||
3925 | if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { | |
3926 | status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; | |
3927 | goto exit; | |
3928 | } | |
3929 | vp_reg = vpath->vp_reg; | |
3930 | ||
3931 | status = __vxge_hw_vpath_swapper_set(vpath->vp_reg); | |
3932 | ||
3933 | if (status != VXGE_HW_OK) | |
3934 | goto exit; | |
3935 | ||
3936 | status = __vxge_hw_vpath_mac_configure(hldev, vp_id); | |
3937 | ||
3938 | if (status != VXGE_HW_OK) | |
3939 | goto exit; | |
3940 | ||
3941 | status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id); | |
3942 | ||
3943 | if (status != VXGE_HW_OK) | |
3944 | goto exit; | |
3945 | ||
3946 | status = __vxge_hw_vpath_tim_configure(hldev, vp_id); | |
3947 | ||
3948 | if (status != VXGE_HW_OK) | |
3949 | goto exit; | |
3950 | ||
40a3a915 RV |
3951 | val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl); |
3952 | ||
3953 | /* Get MRRS value from device control */ | |
3954 | status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32); | |
3955 | ||
3956 | if (status == VXGE_HW_OK) { | |
3957 | val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12; | |
3958 | val64 &= | |
3959 | ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(7)); | |
3960 | val64 |= | |
3961 | VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(val32); | |
3962 | ||
3963 | val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_WAIT_FOR_SPACE; | |
3964 | } | |
3965 | ||
3966 | val64 &= ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(7)); | |
3967 | val64 |= | |
3968 | VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY( | |
3969 | VXGE_HW_MAX_PAYLOAD_SIZE_512); | |
3970 | ||
3971 | val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY_EN; | |
3972 | writeq(val64, &vp_reg->rtdma_rd_optimization_ctrl); | |
3973 | ||
3974 | exit: | |
3975 | return status; | |
3976 | } | |
3977 | ||
3978 | /* | |
3979 | * __vxge_hw_vp_initialize - Initialize Virtual Path structure | |
3980 | * This routine is the initial phase of init which resets the vpath and | |
3981 | * initializes the software support structures. | |
3982 | */ | |
3983 | enum vxge_hw_status | |
3984 | __vxge_hw_vp_initialize(struct __vxge_hw_device *hldev, u32 vp_id, | |
3985 | struct vxge_hw_vp_config *config) | |
3986 | { | |
3987 | struct __vxge_hw_virtualpath *vpath; | |
3988 | enum vxge_hw_status status = VXGE_HW_OK; | |
3989 | ||
3990 | if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { | |
3991 | status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; | |
3992 | goto exit; | |
3993 | } | |
3994 | ||
3995 | vpath = &hldev->virtual_paths[vp_id]; | |
3996 | ||
3997 | vpath->vp_id = vp_id; | |
3998 | vpath->vp_open = VXGE_HW_VP_OPEN; | |
3999 | vpath->hldev = hldev; | |
4000 | vpath->vp_config = config; | |
4001 | vpath->vp_reg = hldev->vpath_reg[vp_id]; | |
4002 | vpath->vpmgmt_reg = hldev->vpmgmt_reg[vp_id]; | |
4003 | ||
4004 | __vxge_hw_vpath_reset(hldev, vp_id); | |
4005 | ||
4006 | status = __vxge_hw_vpath_reset_check(vpath); | |
4007 | ||
4008 | if (status != VXGE_HW_OK) { | |
4009 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4010 | goto exit; | |
4011 | } | |
4012 | ||
4013 | status = __vxge_hw_vpath_mgmt_read(hldev, vpath); | |
4014 | ||
4015 | if (status != VXGE_HW_OK) { | |
4016 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4017 | goto exit; | |
4018 | } | |
4019 | ||
4020 | INIT_LIST_HEAD(&vpath->vpath_handles); | |
4021 | ||
4022 | vpath->sw_stats = &hldev->stats.sw_dev_info_stats.vpath_info[vp_id]; | |
4023 | ||
4024 | VXGE_HW_DEVICE_TIM_INT_MASK_SET(hldev->tim_int_mask0, | |
4025 | hldev->tim_int_mask1, vp_id); | |
4026 | ||
4027 | status = __vxge_hw_vpath_initialize(hldev, vp_id); | |
4028 | ||
4029 | if (status != VXGE_HW_OK) | |
4030 | __vxge_hw_vp_terminate(hldev, vp_id); | |
4031 | exit: | |
4032 | return status; | |
4033 | } | |
4034 | ||
4035 | /* | |
4036 | * __vxge_hw_vp_terminate - Terminate Virtual Path structure | |
4037 | * This routine closes all channels it opened and freeup memory | |
4038 | */ | |
4039 | void | |
4040 | __vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id) | |
4041 | { | |
4042 | struct __vxge_hw_virtualpath *vpath; | |
4043 | ||
4044 | vpath = &hldev->virtual_paths[vp_id]; | |
4045 | ||
4046 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) | |
4047 | goto exit; | |
4048 | ||
4049 | VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0, | |
4050 | vpath->hldev->tim_int_mask1, vpath->vp_id); | |
4051 | hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL; | |
4052 | ||
4053 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4054 | exit: | |
4055 | return; | |
4056 | } | |
4057 | ||
4058 | /* | |
4059 | * vxge_hw_vpath_mtu_set - Set MTU. | |
4060 | * Set new MTU value. Example, to use jumbo frames: | |
4061 | * vxge_hw_vpath_mtu_set(my_device, 9600); | |
4062 | */ | |
4063 | enum vxge_hw_status | |
4064 | vxge_hw_vpath_mtu_set(struct __vxge_hw_vpath_handle *vp, u32 new_mtu) | |
4065 | { | |
4066 | u64 val64; | |
4067 | enum vxge_hw_status status = VXGE_HW_OK; | |
4068 | struct __vxge_hw_virtualpath *vpath; | |
4069 | ||
4070 | if (vp == NULL) { | |
4071 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
4072 | goto exit; | |
4073 | } | |
4074 | vpath = vp->vpath; | |
4075 | ||
4076 | new_mtu += VXGE_HW_MAC_HEADER_MAX_SIZE; | |
4077 | ||
4078 | if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > vpath->max_mtu)) | |
4079 | status = VXGE_HW_ERR_INVALID_MTU_SIZE; | |
4080 | ||
4081 | val64 = readq(&vpath->vp_reg->rxmac_vcfg0); | |
4082 | ||
4083 | val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); | |
4084 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(new_mtu); | |
4085 | ||
4086 | writeq(val64, &vpath->vp_reg->rxmac_vcfg0); | |
4087 | ||
4088 | vpath->vp_config->mtu = new_mtu - VXGE_HW_MAC_HEADER_MAX_SIZE; | |
4089 | ||
4090 | exit: | |
4091 | return status; | |
4092 | } | |
4093 | ||
4094 | /* | |
4095 | * vxge_hw_vpath_open - Open a virtual path on a given adapter | |
4096 | * This function is used to open access to virtual path of an | |
4097 | * adapter for offload, GRO operations. This function returns | |
4098 | * synchronously. | |
4099 | */ | |
4100 | enum vxge_hw_status | |
4101 | vxge_hw_vpath_open(struct __vxge_hw_device *hldev, | |
4102 | struct vxge_hw_vpath_attr *attr, | |
4103 | struct __vxge_hw_vpath_handle **vpath_handle) | |
4104 | { | |
4105 | struct __vxge_hw_virtualpath *vpath; | |
4106 | struct __vxge_hw_vpath_handle *vp; | |
4107 | enum vxge_hw_status status; | |
4108 | ||
4109 | vpath = &hldev->virtual_paths[attr->vp_id]; | |
4110 | ||
4111 | if (vpath->vp_open == VXGE_HW_VP_OPEN) { | |
4112 | status = VXGE_HW_ERR_INVALID_STATE; | |
4113 | goto vpath_open_exit1; | |
4114 | } | |
4115 | ||
4116 | status = __vxge_hw_vp_initialize(hldev, attr->vp_id, | |
4117 | &hldev->config.vp_config[attr->vp_id]); | |
4118 | ||
4119 | if (status != VXGE_HW_OK) | |
4120 | goto vpath_open_exit1; | |
4121 | ||
4122 | vp = (struct __vxge_hw_vpath_handle *) | |
4123 | vmalloc(sizeof(struct __vxge_hw_vpath_handle)); | |
4124 | if (vp == NULL) { | |
4125 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4126 | goto vpath_open_exit2; | |
4127 | } | |
4128 | ||
4129 | memset(vp, 0, sizeof(struct __vxge_hw_vpath_handle)); | |
4130 | ||
4131 | vp->vpath = vpath; | |
4132 | ||
4133 | if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
4134 | status = __vxge_hw_fifo_create(vp, &attr->fifo_attr); | |
4135 | if (status != VXGE_HW_OK) | |
4136 | goto vpath_open_exit6; | |
4137 | } | |
4138 | ||
4139 | if (vpath->vp_config->ring.enable == VXGE_HW_RING_ENABLE) { | |
4140 | status = __vxge_hw_ring_create(vp, &attr->ring_attr); | |
4141 | if (status != VXGE_HW_OK) | |
4142 | goto vpath_open_exit7; | |
4143 | ||
4144 | __vxge_hw_vpath_prc_configure(hldev, attr->vp_id); | |
4145 | } | |
4146 | ||
4147 | vpath->fifoh->tx_intr_num = | |
4148 | (attr->vp_id * VXGE_HW_MAX_INTR_PER_VP) + | |
4149 | VXGE_HW_VPATH_INTR_TX; | |
4150 | ||
4151 | vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev, | |
4152 | VXGE_HW_BLOCK_SIZE); | |
4153 | ||
4154 | if (vpath->stats_block == NULL) { | |
4155 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4156 | goto vpath_open_exit8; | |
4157 | } | |
4158 | ||
4159 | vpath->hw_stats = (struct vxge_hw_vpath_stats_hw_info *)vpath-> | |
4160 | stats_block->memblock; | |
4161 | memset(vpath->hw_stats, 0, | |
4162 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4163 | ||
4164 | hldev->stats.hw_dev_info_stats.vpath_info[attr->vp_id] = | |
4165 | vpath->hw_stats; | |
4166 | ||
4167 | vpath->hw_stats_sav = | |
4168 | &hldev->stats.hw_dev_info_stats.vpath_info_sav[attr->vp_id]; | |
4169 | memset(vpath->hw_stats_sav, 0, | |
4170 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4171 | ||
4172 | writeq(vpath->stats_block->dma_addr, &vpath->vp_reg->stats_cfg); | |
4173 | ||
4174 | status = vxge_hw_vpath_stats_enable(vp); | |
4175 | if (status != VXGE_HW_OK) | |
4176 | goto vpath_open_exit8; | |
4177 | ||
4178 | list_add(&vp->item, &vpath->vpath_handles); | |
4179 | ||
4180 | hldev->vpaths_deployed |= vxge_mBIT(vpath->vp_id); | |
4181 | ||
4182 | *vpath_handle = vp; | |
4183 | ||
4184 | attr->fifo_attr.userdata = vpath->fifoh; | |
4185 | attr->ring_attr.userdata = vpath->ringh; | |
4186 | ||
4187 | return VXGE_HW_OK; | |
4188 | ||
4189 | vpath_open_exit8: | |
4190 | if (vpath->ringh != NULL) | |
4191 | __vxge_hw_ring_delete(vp); | |
4192 | vpath_open_exit7: | |
4193 | if (vpath->fifoh != NULL) | |
4194 | __vxge_hw_fifo_delete(vp); | |
4195 | vpath_open_exit6: | |
4196 | vfree(vp); | |
4197 | vpath_open_exit2: | |
4198 | __vxge_hw_vp_terminate(hldev, attr->vp_id); | |
4199 | vpath_open_exit1: | |
4200 | ||
4201 | return status; | |
4202 | } | |
4203 | ||
4204 | /** | |
4205 | * vxge_hw_vpath_rx_doorbell_post - Close the handle got from previous vpath | |
4206 | * (vpath) open | |
4207 | * @vp: Handle got from previous vpath open | |
4208 | * | |
4209 | * This function is used to close access to virtual path opened | |
4210 | * earlier. | |
4211 | */ | |
4212 | void | |
4213 | vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp) | |
4214 | { | |
4215 | struct __vxge_hw_virtualpath *vpath = NULL; | |
4216 | u64 new_count, val64, val164; | |
4217 | struct __vxge_hw_ring *ring; | |
4218 | ||
4219 | vpath = vp->vpath; | |
4220 | ring = vpath->ringh; | |
4221 | ||
4222 | new_count = readq(&vpath->vp_reg->rxdmem_size); | |
4223 | new_count &= 0x1fff; | |
4224 | val164 = (VXGE_HW_RXDMEM_SIZE_PRC_RXDMEM_SIZE(new_count)); | |
4225 | ||
4226 | writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(val164), | |
4227 | &vpath->vp_reg->prc_rxd_doorbell); | |
4228 | readl(&vpath->vp_reg->prc_rxd_doorbell); | |
4229 | ||
4230 | val164 /= 2; | |
4231 | val64 = readq(&vpath->vp_reg->prc_cfg6); | |
4232 | val64 = VXGE_HW_PRC_CFG6_RXD_SPAT(val64); | |
4233 | val64 &= 0x1ff; | |
4234 | ||
4235 | /* | |
4236 | * Each RxD is of 4 qwords | |
4237 | */ | |
4238 | new_count -= (val64 + 1); | |
4239 | val64 = min(val164, new_count) / 4; | |
4240 | ||
4241 | ring->rxds_limit = min(ring->rxds_limit, val64); | |
4242 | if (ring->rxds_limit < 4) | |
4243 | ring->rxds_limit = 4; | |
4244 | } | |
4245 | ||
4246 | /* | |
4247 | * vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open | |
4248 | * This function is used to close access to virtual path opened | |
4249 | * earlier. | |
4250 | */ | |
4251 | enum vxge_hw_status vxge_hw_vpath_close(struct __vxge_hw_vpath_handle *vp) | |
4252 | { | |
4253 | struct __vxge_hw_virtualpath *vpath = NULL; | |
4254 | struct __vxge_hw_device *devh = NULL; | |
4255 | u32 vp_id = vp->vpath->vp_id; | |
4256 | u32 is_empty = TRUE; | |
4257 | enum vxge_hw_status status = VXGE_HW_OK; | |
4258 | ||
4259 | vpath = vp->vpath; | |
4260 | devh = vpath->hldev; | |
4261 | ||
4262 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4263 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4264 | goto vpath_close_exit; | |
4265 | } | |
4266 | ||
4267 | list_del(&vp->item); | |
4268 | ||
4269 | if (!list_empty(&vpath->vpath_handles)) { | |
4270 | list_add(&vp->item, &vpath->vpath_handles); | |
4271 | is_empty = FALSE; | |
4272 | } | |
4273 | ||
4274 | if (!is_empty) { | |
4275 | status = VXGE_HW_FAIL; | |
4276 | goto vpath_close_exit; | |
4277 | } | |
4278 | ||
4279 | devh->vpaths_deployed &= ~vxge_mBIT(vp_id); | |
4280 | ||
4281 | if (vpath->ringh != NULL) | |
4282 | __vxge_hw_ring_delete(vp); | |
4283 | ||
4284 | if (vpath->fifoh != NULL) | |
4285 | __vxge_hw_fifo_delete(vp); | |
4286 | ||
4287 | if (vpath->stats_block != NULL) | |
4288 | __vxge_hw_blockpool_block_free(devh, vpath->stats_block); | |
4289 | ||
4290 | vfree(vp); | |
4291 | ||
4292 | __vxge_hw_vp_terminate(devh, vp_id); | |
4293 | ||
4294 | vpath->vp_open = VXGE_HW_VP_NOT_OPEN; | |
4295 | ||
4296 | vpath_close_exit: | |
4297 | return status; | |
4298 | } | |
4299 | ||
4300 | /* | |
4301 | * vxge_hw_vpath_reset - Resets vpath | |
4302 | * This function is used to request a reset of vpath | |
4303 | */ | |
4304 | enum vxge_hw_status vxge_hw_vpath_reset(struct __vxge_hw_vpath_handle *vp) | |
4305 | { | |
4306 | enum vxge_hw_status status; | |
4307 | u32 vp_id; | |
4308 | struct __vxge_hw_virtualpath *vpath = vp->vpath; | |
4309 | ||
4310 | vp_id = vpath->vp_id; | |
4311 | ||
4312 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4313 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4314 | goto exit; | |
4315 | } | |
4316 | ||
4317 | status = __vxge_hw_vpath_reset(vpath->hldev, vp_id); | |
4318 | if (status == VXGE_HW_OK) | |
4319 | vpath->sw_stats->soft_reset_cnt++; | |
4320 | exit: | |
4321 | return status; | |
4322 | } | |
4323 | ||
4324 | /* | |
4325 | * vxge_hw_vpath_recover_from_reset - Poll for reset complete and re-initialize. | |
4326 | * This function poll's for the vpath reset completion and re initializes | |
4327 | * the vpath. | |
4328 | */ | |
4329 | enum vxge_hw_status | |
4330 | vxge_hw_vpath_recover_from_reset(struct __vxge_hw_vpath_handle *vp) | |
4331 | { | |
4332 | struct __vxge_hw_virtualpath *vpath = NULL; | |
4333 | enum vxge_hw_status status; | |
4334 | struct __vxge_hw_device *hldev; | |
4335 | u32 vp_id; | |
4336 | ||
4337 | vp_id = vp->vpath->vp_id; | |
4338 | vpath = vp->vpath; | |
4339 | hldev = vpath->hldev; | |
4340 | ||
4341 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4342 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4343 | goto exit; | |
4344 | } | |
4345 | ||
4346 | status = __vxge_hw_vpath_reset_check(vpath); | |
4347 | if (status != VXGE_HW_OK) | |
4348 | goto exit; | |
4349 | ||
4350 | status = __vxge_hw_vpath_sw_reset(hldev, vp_id); | |
4351 | if (status != VXGE_HW_OK) | |
4352 | goto exit; | |
4353 | ||
4354 | status = __vxge_hw_vpath_initialize(hldev, vp_id); | |
4355 | if (status != VXGE_HW_OK) | |
4356 | goto exit; | |
4357 | ||
4358 | if (vpath->ringh != NULL) | |
4359 | __vxge_hw_vpath_prc_configure(hldev, vp_id); | |
4360 | ||
4361 | memset(vpath->hw_stats, 0, | |
4362 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4363 | ||
4364 | memset(vpath->hw_stats_sav, 0, | |
4365 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4366 | ||
4367 | writeq(vpath->stats_block->dma_addr, | |
4368 | &vpath->vp_reg->stats_cfg); | |
4369 | ||
4370 | status = vxge_hw_vpath_stats_enable(vp); | |
4371 | ||
4372 | exit: | |
4373 | return status; | |
4374 | } | |
4375 | ||
4376 | /* | |
4377 | * vxge_hw_vpath_enable - Enable vpath. | |
4378 | * This routine clears the vpath reset thereby enabling a vpath | |
4379 | * to start forwarding frames and generating interrupts. | |
4380 | */ | |
4381 | void | |
4382 | vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp) | |
4383 | { | |
4384 | struct __vxge_hw_device *hldev; | |
4385 | u64 val64; | |
4386 | ||
4387 | hldev = vp->vpath->hldev; | |
4388 | ||
4389 | val64 = VXGE_HW_CMN_RSTHDLR_CFG1_CLR_VPATH_RESET( | |
4390 | 1 << (16 - vp->vpath->vp_id)); | |
4391 | ||
4392 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), | |
4393 | &hldev->common_reg->cmn_rsthdlr_cfg1); | |
4394 | } | |
4395 | ||
4396 | /* | |
4397 | * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics. | |
4398 | * Enable the DMA vpath statistics. The function is to be called to re-enable | |
4399 | * the adapter to update stats into the host memory | |
4400 | */ | |
4401 | enum vxge_hw_status | |
4402 | vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp) | |
4403 | { | |
4404 | enum vxge_hw_status status = VXGE_HW_OK; | |
4405 | struct __vxge_hw_virtualpath *vpath; | |
4406 | ||
4407 | vpath = vp->vpath; | |
4408 | ||
4409 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4410 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4411 | goto exit; | |
4412 | } | |
4413 | ||
4414 | memcpy(vpath->hw_stats_sav, vpath->hw_stats, | |
4415 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4416 | ||
4417 | status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats); | |
4418 | exit: | |
4419 | return status; | |
4420 | } | |
4421 | ||
4422 | /* | |
4423 | * __vxge_hw_vpath_stats_access - Get the statistics from the given location | |
4424 | * and offset and perform an operation | |
4425 | */ | |
4426 | enum vxge_hw_status | |
4427 | __vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath, | |
4428 | u32 operation, u32 offset, u64 *stat) | |
4429 | { | |
4430 | u64 val64; | |
4431 | enum vxge_hw_status status = VXGE_HW_OK; | |
4432 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4433 | ||
4434 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4435 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4436 | goto vpath_stats_access_exit; | |
4437 | } | |
4438 | ||
4439 | vp_reg = vpath->vp_reg; | |
4440 | ||
4441 | val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) | | |
4442 | VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE | | |
4443 | VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset); | |
4444 | ||
4445 | status = __vxge_hw_pio_mem_write64(val64, | |
4446 | &vp_reg->xmac_stats_access_cmd, | |
4447 | VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE, | |
4448 | vpath->hldev->config.device_poll_millis); | |
4449 | ||
4450 | if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) | |
4451 | *stat = readq(&vp_reg->xmac_stats_access_data); | |
4452 | else | |
4453 | *stat = 0; | |
4454 | ||
4455 | vpath_stats_access_exit: | |
4456 | return status; | |
4457 | } | |
4458 | ||
4459 | /* | |
4460 | * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath | |
4461 | */ | |
4462 | enum vxge_hw_status | |
4463 | __vxge_hw_vpath_xmac_tx_stats_get( | |
4464 | struct __vxge_hw_virtualpath *vpath, | |
4465 | struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats) | |
4466 | { | |
4467 | u64 *val64; | |
4468 | int i; | |
4469 | u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET; | |
4470 | enum vxge_hw_status status = VXGE_HW_OK; | |
4471 | ||
4472 | val64 = (u64 *) vpath_tx_stats; | |
4473 | ||
4474 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4475 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4476 | goto exit; | |
4477 | } | |
4478 | ||
4479 | for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) { | |
4480 | status = __vxge_hw_vpath_stats_access(vpath, | |
4481 | VXGE_HW_STATS_OP_READ, | |
4482 | offset, val64); | |
4483 | if (status != VXGE_HW_OK) | |
4484 | goto exit; | |
4485 | offset++; | |
4486 | val64++; | |
4487 | } | |
4488 | exit: | |
4489 | return status; | |
4490 | } | |
4491 | ||
4492 | /* | |
4493 | * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath | |
4494 | */ | |
4495 | enum vxge_hw_status | |
4496 | __vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath, | |
4497 | struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats) | |
4498 | { | |
4499 | u64 *val64; | |
4500 | enum vxge_hw_status status = VXGE_HW_OK; | |
4501 | int i; | |
4502 | u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET; | |
4503 | val64 = (u64 *) vpath_rx_stats; | |
4504 | ||
4505 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4506 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4507 | goto exit; | |
4508 | } | |
4509 | for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) { | |
4510 | status = __vxge_hw_vpath_stats_access(vpath, | |
4511 | VXGE_HW_STATS_OP_READ, | |
4512 | offset >> 3, val64); | |
4513 | if (status != VXGE_HW_OK) | |
4514 | goto exit; | |
4515 | ||
4516 | offset += 8; | |
4517 | val64++; | |
4518 | } | |
4519 | exit: | |
4520 | return status; | |
4521 | } | |
4522 | ||
4523 | /* | |
4524 | * __vxge_hw_vpath_stats_get - Get the vpath hw statistics. | |
4525 | */ | |
4526 | enum vxge_hw_status __vxge_hw_vpath_stats_get( | |
4527 | struct __vxge_hw_virtualpath *vpath, | |
4528 | struct vxge_hw_vpath_stats_hw_info *hw_stats) | |
4529 | { | |
4530 | u64 val64; | |
4531 | enum vxge_hw_status status = VXGE_HW_OK; | |
4532 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4533 | ||
4534 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4535 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4536 | goto exit; | |
4537 | } | |
4538 | vp_reg = vpath->vp_reg; | |
4539 | ||
4540 | val64 = readq(&vp_reg->vpath_debug_stats0); | |
4541 | hw_stats->ini_num_mwr_sent = | |
4542 | (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64); | |
4543 | ||
4544 | val64 = readq(&vp_reg->vpath_debug_stats1); | |
4545 | hw_stats->ini_num_mrd_sent = | |
4546 | (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64); | |
4547 | ||
4548 | val64 = readq(&vp_reg->vpath_debug_stats2); | |
4549 | hw_stats->ini_num_cpl_rcvd = | |
4550 | (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64); | |
4551 | ||
4552 | val64 = readq(&vp_reg->vpath_debug_stats3); | |
4553 | hw_stats->ini_num_mwr_byte_sent = | |
4554 | VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64); | |
4555 | ||
4556 | val64 = readq(&vp_reg->vpath_debug_stats4); | |
4557 | hw_stats->ini_num_cpl_byte_rcvd = | |
4558 | VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64); | |
4559 | ||
4560 | val64 = readq(&vp_reg->vpath_debug_stats5); | |
4561 | hw_stats->wrcrdtarb_xoff = | |
4562 | (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64); | |
4563 | ||
4564 | val64 = readq(&vp_reg->vpath_debug_stats6); | |
4565 | hw_stats->rdcrdtarb_xoff = | |
4566 | (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64); | |
4567 | ||
4568 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
4569 | hw_stats->vpath_genstats_count0 = | |
4570 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0( | |
4571 | val64); | |
4572 | ||
4573 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
4574 | hw_stats->vpath_genstats_count1 = | |
4575 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1( | |
4576 | val64); | |
4577 | ||
4578 | val64 = readq(&vp_reg->vpath_genstats_count23); | |
4579 | hw_stats->vpath_genstats_count2 = | |
4580 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2( | |
4581 | val64); | |
4582 | ||
4583 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
4584 | hw_stats->vpath_genstats_count3 = | |
4585 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3( | |
4586 | val64); | |
4587 | ||
4588 | val64 = readq(&vp_reg->vpath_genstats_count4); | |
4589 | hw_stats->vpath_genstats_count4 = | |
4590 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4( | |
4591 | val64); | |
4592 | ||
4593 | val64 = readq(&vp_reg->vpath_genstats_count5); | |
4594 | hw_stats->vpath_genstats_count5 = | |
4595 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5( | |
4596 | val64); | |
4597 | ||
4598 | status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats); | |
4599 | if (status != VXGE_HW_OK) | |
4600 | goto exit; | |
4601 | ||
4602 | status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats); | |
4603 | if (status != VXGE_HW_OK) | |
4604 | goto exit; | |
4605 | ||
4606 | VXGE_HW_VPATH_STATS_PIO_READ( | |
4607 | VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET); | |
4608 | ||
4609 | hw_stats->prog_event_vnum0 = | |
4610 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64); | |
4611 | ||
4612 | hw_stats->prog_event_vnum1 = | |
4613 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64); | |
4614 | ||
4615 | VXGE_HW_VPATH_STATS_PIO_READ( | |
4616 | VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET); | |
4617 | ||
4618 | hw_stats->prog_event_vnum2 = | |
4619 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64); | |
4620 | ||
4621 | hw_stats->prog_event_vnum3 = | |
4622 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64); | |
4623 | ||
4624 | val64 = readq(&vp_reg->rx_multi_cast_stats); | |
4625 | hw_stats->rx_multi_cast_frame_discard = | |
4626 | (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64); | |
4627 | ||
4628 | val64 = readq(&vp_reg->rx_frm_transferred); | |
4629 | hw_stats->rx_frm_transferred = | |
4630 | (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64); | |
4631 | ||
4632 | val64 = readq(&vp_reg->rxd_returned); | |
4633 | hw_stats->rxd_returned = | |
4634 | (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64); | |
4635 | ||
4636 | val64 = readq(&vp_reg->dbg_stats_rx_mpa); | |
4637 | hw_stats->rx_mpa_len_fail_frms = | |
4638 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64); | |
4639 | hw_stats->rx_mpa_mrk_fail_frms = | |
4640 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64); | |
4641 | hw_stats->rx_mpa_crc_fail_frms = | |
4642 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64); | |
4643 | ||
4644 | val64 = readq(&vp_reg->dbg_stats_rx_fau); | |
4645 | hw_stats->rx_permitted_frms = | |
4646 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64); | |
4647 | hw_stats->rx_vp_reset_discarded_frms = | |
4648 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64); | |
4649 | hw_stats->rx_wol_frms = | |
4650 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64); | |
4651 | ||
4652 | val64 = readq(&vp_reg->tx_vp_reset_discarded_frms); | |
4653 | hw_stats->tx_vp_reset_discarded_frms = | |
4654 | (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS( | |
4655 | val64); | |
4656 | exit: | |
4657 | return status; | |
4658 | } | |
4659 | ||
4660 | /* | |
4661 | * __vxge_hw_blockpool_create - Create block pool | |
4662 | */ | |
4663 | ||
4664 | enum vxge_hw_status | |
4665 | __vxge_hw_blockpool_create(struct __vxge_hw_device *hldev, | |
4666 | struct __vxge_hw_blockpool *blockpool, | |
4667 | u32 pool_size, | |
4668 | u32 pool_max) | |
4669 | { | |
4670 | u32 i; | |
4671 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
4672 | void *memblock; | |
4673 | dma_addr_t dma_addr; | |
4674 | struct pci_dev *dma_handle; | |
4675 | struct pci_dev *acc_handle; | |
4676 | enum vxge_hw_status status = VXGE_HW_OK; | |
4677 | ||
4678 | if (blockpool == NULL) { | |
4679 | status = VXGE_HW_FAIL; | |
4680 | goto blockpool_create_exit; | |
4681 | } | |
4682 | ||
4683 | blockpool->hldev = hldev; | |
4684 | blockpool->block_size = VXGE_HW_BLOCK_SIZE; | |
4685 | blockpool->pool_size = 0; | |
4686 | blockpool->pool_max = pool_max; | |
4687 | blockpool->req_out = 0; | |
4688 | ||
4689 | INIT_LIST_HEAD(&blockpool->free_block_list); | |
4690 | INIT_LIST_HEAD(&blockpool->free_entry_list); | |
4691 | ||
4692 | for (i = 0; i < pool_size + pool_max; i++) { | |
4693 | entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry), | |
4694 | GFP_KERNEL); | |
4695 | if (entry == NULL) { | |
4696 | __vxge_hw_blockpool_destroy(blockpool); | |
4697 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4698 | goto blockpool_create_exit; | |
4699 | } | |
4700 | list_add(&entry->item, &blockpool->free_entry_list); | |
4701 | } | |
4702 | ||
4703 | for (i = 0; i < pool_size; i++) { | |
4704 | ||
4705 | memblock = vxge_os_dma_malloc( | |
4706 | hldev->pdev, | |
4707 | VXGE_HW_BLOCK_SIZE, | |
4708 | &dma_handle, | |
4709 | &acc_handle); | |
4710 | ||
4711 | if (memblock == NULL) { | |
4712 | __vxge_hw_blockpool_destroy(blockpool); | |
4713 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4714 | goto blockpool_create_exit; | |
4715 | } | |
4716 | ||
4717 | dma_addr = pci_map_single(hldev->pdev, memblock, | |
4718 | VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL); | |
4719 | ||
4720 | if (unlikely(pci_dma_mapping_error(hldev->pdev, | |
4721 | dma_addr))) { | |
4722 | ||
4723 | vxge_os_dma_free(hldev->pdev, memblock, &acc_handle); | |
4724 | __vxge_hw_blockpool_destroy(blockpool); | |
4725 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4726 | goto blockpool_create_exit; | |
4727 | } | |
4728 | ||
4729 | if (!list_empty(&blockpool->free_entry_list)) | |
4730 | entry = (struct __vxge_hw_blockpool_entry *) | |
4731 | list_first_entry(&blockpool->free_entry_list, | |
4732 | struct __vxge_hw_blockpool_entry, | |
4733 | item); | |
4734 | ||
4735 | if (entry == NULL) | |
4736 | entry = | |
4737 | kzalloc(sizeof(struct __vxge_hw_blockpool_entry), | |
4738 | GFP_KERNEL); | |
4739 | if (entry != NULL) { | |
4740 | list_del(&entry->item); | |
4741 | entry->length = VXGE_HW_BLOCK_SIZE; | |
4742 | entry->memblock = memblock; | |
4743 | entry->dma_addr = dma_addr; | |
4744 | entry->acc_handle = acc_handle; | |
4745 | entry->dma_handle = dma_handle; | |
4746 | list_add(&entry->item, | |
4747 | &blockpool->free_block_list); | |
4748 | blockpool->pool_size++; | |
4749 | } else { | |
4750 | __vxge_hw_blockpool_destroy(blockpool); | |
4751 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4752 | goto blockpool_create_exit; | |
4753 | } | |
4754 | } | |
4755 | ||
4756 | blockpool_create_exit: | |
4757 | return status; | |
4758 | } | |
4759 | ||
4760 | /* | |
4761 | * __vxge_hw_blockpool_destroy - Deallocates the block pool | |
4762 | */ | |
4763 | ||
4764 | void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool) | |
4765 | { | |
4766 | ||
4767 | struct __vxge_hw_device *hldev; | |
4768 | struct list_head *p, *n; | |
4769 | u16 ret; | |
4770 | ||
4771 | if (blockpool == NULL) { | |
4772 | ret = 1; | |
4773 | goto exit; | |
4774 | } | |
4775 | ||
4776 | hldev = blockpool->hldev; | |
4777 | ||
4778 | list_for_each_safe(p, n, &blockpool->free_block_list) { | |
4779 | ||
4780 | pci_unmap_single(hldev->pdev, | |
4781 | ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, | |
4782 | ((struct __vxge_hw_blockpool_entry *)p)->length, | |
4783 | PCI_DMA_BIDIRECTIONAL); | |
4784 | ||
4785 | vxge_os_dma_free(hldev->pdev, | |
4786 | ((struct __vxge_hw_blockpool_entry *)p)->memblock, | |
4787 | &((struct __vxge_hw_blockpool_entry *) p)->acc_handle); | |
4788 | ||
4789 | list_del( | |
4790 | &((struct __vxge_hw_blockpool_entry *)p)->item); | |
4791 | kfree(p); | |
4792 | blockpool->pool_size--; | |
4793 | } | |
4794 | ||
4795 | list_for_each_safe(p, n, &blockpool->free_entry_list) { | |
4796 | list_del( | |
4797 | &((struct __vxge_hw_blockpool_entry *)p)->item); | |
4798 | kfree((void *)p); | |
4799 | } | |
4800 | ret = 0; | |
4801 | exit: | |
4802 | return; | |
4803 | } | |
4804 | ||
4805 | /* | |
4806 | * __vxge_hw_blockpool_blocks_add - Request additional blocks | |
4807 | */ | |
4808 | static | |
4809 | void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool) | |
4810 | { | |
4811 | u32 nreq = 0, i; | |
4812 | ||
4813 | if ((blockpool->pool_size + blockpool->req_out) < | |
4814 | VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) { | |
4815 | nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE; | |
4816 | blockpool->req_out += nreq; | |
4817 | } | |
4818 | ||
4819 | for (i = 0; i < nreq; i++) | |
4820 | vxge_os_dma_malloc_async( | |
4821 | ((struct __vxge_hw_device *)blockpool->hldev)->pdev, | |
4822 | blockpool->hldev, VXGE_HW_BLOCK_SIZE); | |
4823 | } | |
4824 | ||
4825 | /* | |
4826 | * __vxge_hw_blockpool_blocks_remove - Free additional blocks | |
4827 | */ | |
4828 | static | |
4829 | void __vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool) | |
4830 | { | |
4831 | struct list_head *p, *n; | |
4832 | ||
4833 | list_for_each_safe(p, n, &blockpool->free_block_list) { | |
4834 | ||
4835 | if (blockpool->pool_size < blockpool->pool_max) | |
4836 | break; | |
4837 | ||
4838 | pci_unmap_single( | |
4839 | ((struct __vxge_hw_device *)blockpool->hldev)->pdev, | |
4840 | ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, | |
4841 | ((struct __vxge_hw_blockpool_entry *)p)->length, | |
4842 | PCI_DMA_BIDIRECTIONAL); | |
4843 | ||
4844 | vxge_os_dma_free( | |
4845 | ((struct __vxge_hw_device *)blockpool->hldev)->pdev, | |
4846 | ((struct __vxge_hw_blockpool_entry *)p)->memblock, | |
4847 | &((struct __vxge_hw_blockpool_entry *)p)->acc_handle); | |
4848 | ||
4849 | list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); | |
4850 | ||
4851 | list_add(p, &blockpool->free_entry_list); | |
4852 | ||
4853 | blockpool->pool_size--; | |
4854 | ||
4855 | } | |
4856 | } | |
4857 | ||
4858 | /* | |
4859 | * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async | |
4860 | * Adds a block to block pool | |
4861 | */ | |
4862 | void vxge_hw_blockpool_block_add( | |
4863 | struct __vxge_hw_device *devh, | |
4864 | void *block_addr, | |
4865 | u32 length, | |
4866 | struct pci_dev *dma_h, | |
4867 | struct pci_dev *acc_handle) | |
4868 | { | |
4869 | struct __vxge_hw_blockpool *blockpool; | |
4870 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
4871 | dma_addr_t dma_addr; | |
4872 | enum vxge_hw_status status = VXGE_HW_OK; | |
4873 | u32 req_out; | |
4874 | ||
4875 | blockpool = &devh->block_pool; | |
4876 | ||
4877 | if (block_addr == NULL) { | |
4878 | blockpool->req_out--; | |
4879 | status = VXGE_HW_FAIL; | |
4880 | goto exit; | |
4881 | } | |
4882 | ||
4883 | dma_addr = pci_map_single(devh->pdev, block_addr, length, | |
4884 | PCI_DMA_BIDIRECTIONAL); | |
4885 | ||
4886 | if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) { | |
4887 | ||
4888 | vxge_os_dma_free(devh->pdev, block_addr, &acc_handle); | |
4889 | blockpool->req_out--; | |
4890 | status = VXGE_HW_FAIL; | |
4891 | goto exit; | |
4892 | } | |
4893 | ||
4894 | ||
4895 | if (!list_empty(&blockpool->free_entry_list)) | |
4896 | entry = (struct __vxge_hw_blockpool_entry *) | |
4897 | list_first_entry(&blockpool->free_entry_list, | |
4898 | struct __vxge_hw_blockpool_entry, | |
4899 | item); | |
4900 | ||
4901 | if (entry == NULL) | |
4902 | entry = (struct __vxge_hw_blockpool_entry *) | |
4903 | vmalloc(sizeof(struct __vxge_hw_blockpool_entry)); | |
4904 | else | |
4905 | list_del(&entry->item); | |
4906 | ||
4907 | if (entry != NULL) { | |
4908 | entry->length = length; | |
4909 | entry->memblock = block_addr; | |
4910 | entry->dma_addr = dma_addr; | |
4911 | entry->acc_handle = acc_handle; | |
4912 | entry->dma_handle = dma_h; | |
4913 | list_add(&entry->item, &blockpool->free_block_list); | |
4914 | blockpool->pool_size++; | |
4915 | status = VXGE_HW_OK; | |
4916 | } else | |
4917 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4918 | ||
4919 | blockpool->req_out--; | |
4920 | ||
4921 | req_out = blockpool->req_out; | |
4922 | exit: | |
4923 | return; | |
4924 | } | |
4925 | ||
4926 | /* | |
4927 | * __vxge_hw_blockpool_malloc - Allocate a memory block from pool | |
4928 | * Allocates a block of memory of given size, either from block pool | |
4929 | * or by calling vxge_os_dma_malloc() | |
4930 | */ | |
4931 | void * | |
4932 | __vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, | |
4933 | struct vxge_hw_mempool_dma *dma_object) | |
4934 | { | |
4935 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
4936 | struct __vxge_hw_blockpool *blockpool; | |
4937 | void *memblock = NULL; | |
4938 | enum vxge_hw_status status = VXGE_HW_OK; | |
4939 | ||
4940 | blockpool = &devh->block_pool; | |
4941 | ||
4942 | if (size != blockpool->block_size) { | |
4943 | ||
4944 | memblock = vxge_os_dma_malloc(devh->pdev, size, | |
4945 | &dma_object->handle, | |
4946 | &dma_object->acc_handle); | |
4947 | ||
4948 | if (memblock == NULL) { | |
4949 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4950 | goto exit; | |
4951 | } | |
4952 | ||
4953 | dma_object->addr = pci_map_single(devh->pdev, memblock, size, | |
4954 | PCI_DMA_BIDIRECTIONAL); | |
4955 | ||
4956 | if (unlikely(pci_dma_mapping_error(devh->pdev, | |
4957 | dma_object->addr))) { | |
4958 | vxge_os_dma_free(devh->pdev, memblock, | |
4959 | &dma_object->acc_handle); | |
4960 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4961 | goto exit; | |
4962 | } | |
4963 | ||
4964 | } else { | |
4965 | ||
4966 | if (!list_empty(&blockpool->free_block_list)) | |
4967 | entry = (struct __vxge_hw_blockpool_entry *) | |
4968 | list_first_entry(&blockpool->free_block_list, | |
4969 | struct __vxge_hw_blockpool_entry, | |
4970 | item); | |
4971 | ||
4972 | if (entry != NULL) { | |
4973 | list_del(&entry->item); | |
4974 | dma_object->addr = entry->dma_addr; | |
4975 | dma_object->handle = entry->dma_handle; | |
4976 | dma_object->acc_handle = entry->acc_handle; | |
4977 | memblock = entry->memblock; | |
4978 | ||
4979 | list_add(&entry->item, | |
4980 | &blockpool->free_entry_list); | |
4981 | blockpool->pool_size--; | |
4982 | } | |
4983 | ||
4984 | if (memblock != NULL) | |
4985 | __vxge_hw_blockpool_blocks_add(blockpool); | |
4986 | } | |
4987 | exit: | |
4988 | return memblock; | |
4989 | } | |
4990 | ||
4991 | /* | |
4992 | * __vxge_hw_blockpool_free - Frees the memory allcoated with | |
4993 | __vxge_hw_blockpool_malloc | |
4994 | */ | |
4995 | void | |
4996 | __vxge_hw_blockpool_free(struct __vxge_hw_device *devh, | |
4997 | void *memblock, u32 size, | |
4998 | struct vxge_hw_mempool_dma *dma_object) | |
4999 | { | |
5000 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
5001 | struct __vxge_hw_blockpool *blockpool; | |
5002 | enum vxge_hw_status status = VXGE_HW_OK; | |
5003 | ||
5004 | blockpool = &devh->block_pool; | |
5005 | ||
5006 | if (size != blockpool->block_size) { | |
5007 | pci_unmap_single(devh->pdev, dma_object->addr, size, | |
5008 | PCI_DMA_BIDIRECTIONAL); | |
5009 | vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle); | |
5010 | } else { | |
5011 | ||
5012 | if (!list_empty(&blockpool->free_entry_list)) | |
5013 | entry = (struct __vxge_hw_blockpool_entry *) | |
5014 | list_first_entry(&blockpool->free_entry_list, | |
5015 | struct __vxge_hw_blockpool_entry, | |
5016 | item); | |
5017 | ||
5018 | if (entry == NULL) | |
5019 | entry = (struct __vxge_hw_blockpool_entry *) | |
5020 | vmalloc(sizeof( | |
5021 | struct __vxge_hw_blockpool_entry)); | |
5022 | else | |
5023 | list_del(&entry->item); | |
5024 | ||
5025 | if (entry != NULL) { | |
5026 | entry->length = size; | |
5027 | entry->memblock = memblock; | |
5028 | entry->dma_addr = dma_object->addr; | |
5029 | entry->acc_handle = dma_object->acc_handle; | |
5030 | entry->dma_handle = dma_object->handle; | |
5031 | list_add(&entry->item, | |
5032 | &blockpool->free_block_list); | |
5033 | blockpool->pool_size++; | |
5034 | status = VXGE_HW_OK; | |
5035 | } else | |
5036 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
5037 | ||
5038 | if (status == VXGE_HW_OK) | |
5039 | __vxge_hw_blockpool_blocks_remove(blockpool); | |
5040 | } | |
5041 | ||
5042 | return; | |
5043 | } | |
5044 | ||
5045 | /* | |
5046 | * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool | |
5047 | * This function allocates a block from block pool or from the system | |
5048 | */ | |
5049 | struct __vxge_hw_blockpool_entry * | |
5050 | __vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size) | |
5051 | { | |
5052 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
5053 | struct __vxge_hw_blockpool *blockpool; | |
5054 | ||
5055 | blockpool = &devh->block_pool; | |
5056 | ||
5057 | if (size == blockpool->block_size) { | |
5058 | ||
5059 | if (!list_empty(&blockpool->free_block_list)) | |
5060 | entry = (struct __vxge_hw_blockpool_entry *) | |
5061 | list_first_entry(&blockpool->free_block_list, | |
5062 | struct __vxge_hw_blockpool_entry, | |
5063 | item); | |
5064 | ||
5065 | if (entry != NULL) { | |
5066 | list_del(&entry->item); | |
5067 | blockpool->pool_size--; | |
5068 | } | |
5069 | } | |
5070 | ||
5071 | if (entry != NULL) | |
5072 | __vxge_hw_blockpool_blocks_add(blockpool); | |
5073 | ||
5074 | return entry; | |
5075 | } | |
5076 | ||
5077 | /* | |
5078 | * __vxge_hw_blockpool_block_free - Frees a block from block pool | |
5079 | * @devh: Hal device | |
5080 | * @entry: Entry of block to be freed | |
5081 | * | |
5082 | * This function frees a block from block pool | |
5083 | */ | |
5084 | void | |
5085 | __vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh, | |
5086 | struct __vxge_hw_blockpool_entry *entry) | |
5087 | { | |
5088 | struct __vxge_hw_blockpool *blockpool; | |
5089 | ||
5090 | blockpool = &devh->block_pool; | |
5091 | ||
5092 | if (entry->length == blockpool->block_size) { | |
5093 | list_add(&entry->item, &blockpool->free_block_list); | |
5094 | blockpool->pool_size++; | |
5095 | } | |
5096 | ||
5097 | __vxge_hw_blockpool_blocks_remove(blockpool); | |
5098 | ||
5099 | return; | |
5100 | } |