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40a3a915 RV |
1 | /****************************************************************************** |
2 | * This software may be used and distributed according to the terms of | |
3 | * the GNU General Public License (GPL), incorporated herein by reference. | |
4 | * Drivers based on or derived from this code fall under the GPL and must | |
5 | * retain the authorship, copyright and license notice. This file is not | |
6 | * a complete program and may only be used when the entire operating | |
7 | * system is licensed under the GPL. | |
8 | * See the file COPYING in this distribution for more information. | |
9 | * | |
926bd900 | 10 | * vxge-config.c: Driver for Exar Corp's X3100 Series 10GbE PCIe I/O |
40a3a915 | 11 | * Virtualized Server Adapter. |
926bd900 | 12 | * Copyright(c) 2002-2010 Exar Corp. |
40a3a915 RV |
13 | ******************************************************************************/ |
14 | #include <linux/vmalloc.h> | |
15 | #include <linux/etherdevice.h> | |
16 | #include <linux/pci.h> | |
17 | #include <linux/pci_hotplug.h> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
40a3a915 RV |
19 | |
20 | #include "vxge-traffic.h" | |
21 | #include "vxge-config.h" | |
22 | ||
42821a5b | 23 | static enum vxge_hw_status |
24 | __vxge_hw_fifo_create( | |
25 | struct __vxge_hw_vpath_handle *vpath_handle, | |
26 | struct vxge_hw_fifo_attr *attr); | |
27 | ||
28 | static enum vxge_hw_status | |
29 | __vxge_hw_fifo_abort( | |
30 | struct __vxge_hw_fifo *fifoh); | |
31 | ||
32 | static enum vxge_hw_status | |
33 | __vxge_hw_fifo_reset( | |
34 | struct __vxge_hw_fifo *ringh); | |
35 | ||
36 | static enum vxge_hw_status | |
37 | __vxge_hw_fifo_delete( | |
38 | struct __vxge_hw_vpath_handle *vpath_handle); | |
39 | ||
40 | static struct __vxge_hw_blockpool_entry * | |
41 | __vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *hldev, | |
42 | u32 size); | |
43 | ||
44 | static void | |
45 | __vxge_hw_blockpool_block_free(struct __vxge_hw_device *hldev, | |
46 | struct __vxge_hw_blockpool_entry *entry); | |
47 | ||
48 | static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, | |
49 | void *block_addr, | |
50 | u32 length, | |
51 | struct pci_dev *dma_h, | |
52 | struct pci_dev *acc_handle); | |
53 | ||
54 | static enum vxge_hw_status | |
55 | __vxge_hw_blockpool_create(struct __vxge_hw_device *hldev, | |
56 | struct __vxge_hw_blockpool *blockpool, | |
57 | u32 pool_size, | |
58 | u32 pool_max); | |
59 | ||
60 | static void | |
61 | __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool); | |
62 | ||
63 | static void * | |
64 | __vxge_hw_blockpool_malloc(struct __vxge_hw_device *hldev, | |
65 | u32 size, | |
66 | struct vxge_hw_mempool_dma *dma_object); | |
67 | ||
68 | static void | |
69 | __vxge_hw_blockpool_free(struct __vxge_hw_device *hldev, | |
70 | void *memblock, | |
71 | u32 size, | |
72 | struct vxge_hw_mempool_dma *dma_object); | |
73 | ||
74 | ||
75 | static struct __vxge_hw_channel* | |
76 | __vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph, | |
77 | enum __vxge_hw_channel_type type, u32 length, | |
78 | u32 per_dtr_space, void *userdata); | |
79 | ||
80 | static void | |
81 | __vxge_hw_channel_free( | |
82 | struct __vxge_hw_channel *channel); | |
83 | ||
84 | static enum vxge_hw_status | |
85 | __vxge_hw_channel_initialize( | |
86 | struct __vxge_hw_channel *channel); | |
87 | ||
88 | static enum vxge_hw_status | |
89 | __vxge_hw_channel_reset( | |
90 | struct __vxge_hw_channel *channel); | |
91 | ||
92 | static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp); | |
93 | ||
94 | static enum vxge_hw_status | |
95 | __vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config); | |
96 | ||
97 | static enum vxge_hw_status | |
98 | __vxge_hw_device_config_check(struct vxge_hw_device_config *new_config); | |
99 | ||
100 | static void | |
101 | __vxge_hw_device_id_get(struct __vxge_hw_device *hldev); | |
102 | ||
103 | static void | |
104 | __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev); | |
105 | ||
106 | static enum vxge_hw_status | |
107 | __vxge_hw_vpath_card_info_get( | |
108 | u32 vp_id, | |
109 | struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
110 | struct vxge_hw_device_hw_info *hw_info); | |
111 | ||
112 | static enum vxge_hw_status | |
113 | __vxge_hw_device_initialize(struct __vxge_hw_device *hldev); | |
114 | ||
115 | static void | |
116 | __vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev); | |
117 | ||
118 | static enum vxge_hw_status | |
119 | __vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev); | |
120 | ||
121 | static enum vxge_hw_status | |
122 | __vxge_hw_device_register_poll( | |
123 | void __iomem *reg, | |
124 | u64 mask, u32 max_millis); | |
125 | ||
126 | static inline enum vxge_hw_status | |
127 | __vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr, | |
128 | u64 mask, u32 max_millis) | |
129 | { | |
130 | __vxge_hw_pio_mem_write32_lower((u32)vxge_bVALn(val64, 32, 32), addr); | |
131 | wmb(); | |
132 | ||
133 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), addr); | |
134 | wmb(); | |
135 | ||
136 | return __vxge_hw_device_register_poll(addr, mask, max_millis); | |
137 | } | |
138 | ||
139 | static struct vxge_hw_mempool* | |
140 | __vxge_hw_mempool_create(struct __vxge_hw_device *devh, u32 memblock_size, | |
141 | u32 item_size, u32 private_size, u32 items_initial, | |
142 | u32 items_max, struct vxge_hw_mempool_cbs *mp_callback, | |
143 | void *userdata); | |
144 | static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool); | |
145 | ||
146 | static enum vxge_hw_status | |
147 | __vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath, | |
148 | struct vxge_hw_vpath_stats_hw_info *hw_stats); | |
149 | ||
150 | static enum vxge_hw_status | |
151 | vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vpath_handle); | |
152 | ||
153 | static enum vxge_hw_status | |
154 | __vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg); | |
155 | ||
156 | static u64 | |
157 | __vxge_hw_vpath_pci_func_mode_get(u32 vp_id, | |
158 | struct vxge_hw_vpath_reg __iomem *vpath_reg); | |
159 | ||
160 | static u32 | |
161 | __vxge_hw_vpath_func_id_get(u32 vp_id, struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg); | |
162 | ||
163 | static enum vxge_hw_status | |
164 | __vxge_hw_vpath_addr_get(u32 vp_id, struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
165 | u8 (macaddr)[ETH_ALEN], u8 (macaddr_mask)[ETH_ALEN]); | |
166 | ||
167 | static enum vxge_hw_status | |
168 | __vxge_hw_vpath_reset_check(struct __vxge_hw_virtualpath *vpath); | |
169 | ||
170 | ||
171 | static enum vxge_hw_status | |
172 | __vxge_hw_vpath_sw_reset(struct __vxge_hw_device *devh, u32 vp_id); | |
173 | ||
174 | static enum vxge_hw_status | |
175 | __vxge_hw_vpath_fw_ver_get(u32 vp_id, struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
176 | struct vxge_hw_device_hw_info *hw_info); | |
177 | ||
178 | static enum vxge_hw_status | |
179 | __vxge_hw_vpath_mac_configure(struct __vxge_hw_device *devh, u32 vp_id); | |
180 | ||
181 | static void | |
182 | __vxge_hw_vp_terminate(struct __vxge_hw_device *devh, u32 vp_id); | |
183 | ||
184 | static enum vxge_hw_status | |
185 | __vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath, | |
186 | u32 operation, u32 offset, u64 *stat); | |
187 | ||
188 | static enum vxge_hw_status | |
189 | __vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath, | |
190 | struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats); | |
191 | ||
192 | static enum vxge_hw_status | |
193 | __vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath, | |
194 | struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats); | |
195 | ||
40a3a915 RV |
196 | /* |
197 | * __vxge_hw_channel_allocate - Allocate memory for channel | |
198 | * This function allocates required memory for the channel and various arrays | |
199 | * in the channel | |
200 | */ | |
201 | struct __vxge_hw_channel* | |
202 | __vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph, | |
203 | enum __vxge_hw_channel_type type, | |
204 | u32 length, u32 per_dtr_space, void *userdata) | |
205 | { | |
206 | struct __vxge_hw_channel *channel; | |
207 | struct __vxge_hw_device *hldev; | |
208 | int size = 0; | |
209 | u32 vp_id; | |
210 | ||
211 | hldev = vph->vpath->hldev; | |
212 | vp_id = vph->vpath->vp_id; | |
213 | ||
214 | switch (type) { | |
215 | case VXGE_HW_CHANNEL_TYPE_FIFO: | |
216 | size = sizeof(struct __vxge_hw_fifo); | |
217 | break; | |
218 | case VXGE_HW_CHANNEL_TYPE_RING: | |
219 | size = sizeof(struct __vxge_hw_ring); | |
220 | break; | |
221 | default: | |
222 | break; | |
223 | } | |
224 | ||
225 | channel = kzalloc(size, GFP_KERNEL); | |
226 | if (channel == NULL) | |
227 | goto exit0; | |
228 | INIT_LIST_HEAD(&channel->item); | |
229 | ||
230 | channel->common_reg = hldev->common_reg; | |
231 | channel->first_vp_id = hldev->first_vp_id; | |
232 | channel->type = type; | |
233 | channel->devh = hldev; | |
234 | channel->vph = vph; | |
235 | channel->userdata = userdata; | |
236 | channel->per_dtr_space = per_dtr_space; | |
237 | channel->length = length; | |
238 | channel->vp_id = vp_id; | |
239 | ||
240 | channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
241 | if (channel->work_arr == NULL) | |
242 | goto exit1; | |
243 | ||
244 | channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
245 | if (channel->free_arr == NULL) | |
246 | goto exit1; | |
247 | channel->free_ptr = length; | |
248 | ||
249 | channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
250 | if (channel->reserve_arr == NULL) | |
251 | goto exit1; | |
252 | channel->reserve_ptr = length; | |
253 | channel->reserve_top = 0; | |
254 | ||
255 | channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); | |
256 | if (channel->orig_arr == NULL) | |
257 | goto exit1; | |
258 | ||
259 | return channel; | |
260 | exit1: | |
261 | __vxge_hw_channel_free(channel); | |
262 | ||
263 | exit0: | |
264 | return NULL; | |
265 | } | |
266 | ||
267 | /* | |
268 | * __vxge_hw_channel_free - Free memory allocated for channel | |
269 | * This function deallocates memory from the channel and various arrays | |
270 | * in the channel | |
271 | */ | |
272 | void __vxge_hw_channel_free(struct __vxge_hw_channel *channel) | |
273 | { | |
274 | kfree(channel->work_arr); | |
275 | kfree(channel->free_arr); | |
276 | kfree(channel->reserve_arr); | |
277 | kfree(channel->orig_arr); | |
278 | kfree(channel); | |
279 | } | |
280 | ||
281 | /* | |
282 | * __vxge_hw_channel_initialize - Initialize a channel | |
283 | * This function initializes a channel by properly setting the | |
284 | * various references | |
285 | */ | |
286 | enum vxge_hw_status | |
287 | __vxge_hw_channel_initialize(struct __vxge_hw_channel *channel) | |
288 | { | |
289 | u32 i; | |
290 | struct __vxge_hw_virtualpath *vpath; | |
291 | ||
292 | vpath = channel->vph->vpath; | |
293 | ||
294 | if ((channel->reserve_arr != NULL) && (channel->orig_arr != NULL)) { | |
295 | for (i = 0; i < channel->length; i++) | |
296 | channel->orig_arr[i] = channel->reserve_arr[i]; | |
297 | } | |
298 | ||
299 | switch (channel->type) { | |
300 | case VXGE_HW_CHANNEL_TYPE_FIFO: | |
301 | vpath->fifoh = (struct __vxge_hw_fifo *)channel; | |
302 | channel->stats = &((struct __vxge_hw_fifo *) | |
303 | channel)->stats->common_stats; | |
304 | break; | |
305 | case VXGE_HW_CHANNEL_TYPE_RING: | |
306 | vpath->ringh = (struct __vxge_hw_ring *)channel; | |
307 | channel->stats = &((struct __vxge_hw_ring *) | |
308 | channel)->stats->common_stats; | |
309 | break; | |
310 | default: | |
311 | break; | |
312 | } | |
313 | ||
314 | return VXGE_HW_OK; | |
315 | } | |
316 | ||
317 | /* | |
318 | * __vxge_hw_channel_reset - Resets a channel | |
319 | * This function resets a channel by properly setting the various references | |
320 | */ | |
321 | enum vxge_hw_status | |
322 | __vxge_hw_channel_reset(struct __vxge_hw_channel *channel) | |
323 | { | |
324 | u32 i; | |
325 | ||
326 | for (i = 0; i < channel->length; i++) { | |
327 | if (channel->reserve_arr != NULL) | |
328 | channel->reserve_arr[i] = channel->orig_arr[i]; | |
329 | if (channel->free_arr != NULL) | |
330 | channel->free_arr[i] = NULL; | |
331 | if (channel->work_arr != NULL) | |
332 | channel->work_arr[i] = NULL; | |
333 | } | |
334 | channel->free_ptr = channel->length; | |
335 | channel->reserve_ptr = channel->length; | |
336 | channel->reserve_top = 0; | |
337 | channel->post_index = 0; | |
338 | channel->compl_index = 0; | |
339 | ||
340 | return VXGE_HW_OK; | |
341 | } | |
342 | ||
343 | /* | |
344 | * __vxge_hw_device_pci_e_init | |
345 | * Initialize certain PCI/PCI-X configuration registers | |
346 | * with recommended values. Save config space for future hw resets. | |
347 | */ | |
348 | void | |
349 | __vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev) | |
350 | { | |
351 | u16 cmd = 0; | |
352 | ||
353 | /* Set the PErr Repconse bit and SERR in PCI command register. */ | |
354 | pci_read_config_word(hldev->pdev, PCI_COMMAND, &cmd); | |
355 | cmd |= 0x140; | |
356 | pci_write_config_word(hldev->pdev, PCI_COMMAND, cmd); | |
357 | ||
358 | pci_save_state(hldev->pdev); | |
40a3a915 RV |
359 | } |
360 | ||
361 | /* | |
362 | * __vxge_hw_device_register_poll | |
363 | * Will poll certain register for specified amount of time. | |
364 | * Will poll until masked bit is not cleared. | |
365 | */ | |
42821a5b | 366 | static enum vxge_hw_status |
40a3a915 RV |
367 | __vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis) |
368 | { | |
369 | u64 val64; | |
370 | u32 i = 0; | |
371 | enum vxge_hw_status ret = VXGE_HW_FAIL; | |
372 | ||
373 | udelay(10); | |
374 | ||
375 | do { | |
376 | val64 = readq(reg); | |
377 | if (!(val64 & mask)) | |
378 | return VXGE_HW_OK; | |
379 | udelay(100); | |
380 | } while (++i <= 9); | |
381 | ||
382 | i = 0; | |
383 | do { | |
384 | val64 = readq(reg); | |
385 | if (!(val64 & mask)) | |
386 | return VXGE_HW_OK; | |
387 | mdelay(1); | |
388 | } while (++i <= max_millis); | |
389 | ||
390 | return ret; | |
391 | } | |
392 | ||
393 | /* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset | |
394 | * in progress | |
395 | * This routine checks the vpath reset in progress register is turned zero | |
396 | */ | |
42821a5b | 397 | static enum vxge_hw_status |
40a3a915 RV |
398 | __vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog) |
399 | { | |
400 | enum vxge_hw_status status; | |
401 | status = __vxge_hw_device_register_poll(vpath_rst_in_prog, | |
402 | VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG(0x1ffff), | |
403 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
404 | return status; | |
405 | } | |
406 | ||
407 | /* | |
408 | * __vxge_hw_device_toc_get | |
409 | * This routine sets the swapper and reads the toc pointer and returns the | |
410 | * memory mapped address of the toc | |
411 | */ | |
42821a5b | 412 | static struct vxge_hw_toc_reg __iomem * |
40a3a915 RV |
413 | __vxge_hw_device_toc_get(void __iomem *bar0) |
414 | { | |
415 | u64 val64; | |
416 | struct vxge_hw_toc_reg __iomem *toc = NULL; | |
417 | enum vxge_hw_status status; | |
418 | ||
419 | struct vxge_hw_legacy_reg __iomem *legacy_reg = | |
420 | (struct vxge_hw_legacy_reg __iomem *)bar0; | |
421 | ||
422 | status = __vxge_hw_legacy_swapper_set(legacy_reg); | |
423 | if (status != VXGE_HW_OK) | |
424 | goto exit; | |
425 | ||
426 | val64 = readq(&legacy_reg->toc_first_pointer); | |
427 | toc = (struct vxge_hw_toc_reg __iomem *)(bar0+val64); | |
428 | exit: | |
429 | return toc; | |
430 | } | |
431 | ||
432 | /* | |
433 | * __vxge_hw_device_reg_addr_get | |
434 | * This routine sets the swapper and reads the toc pointer and initializes the | |
435 | * register location pointers in the device object. It waits until the ric is | |
436 | * completed initializing registers. | |
437 | */ | |
438 | enum vxge_hw_status | |
439 | __vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev) | |
440 | { | |
441 | u64 val64; | |
442 | u32 i; | |
443 | enum vxge_hw_status status = VXGE_HW_OK; | |
444 | ||
445 | hldev->legacy_reg = (struct vxge_hw_legacy_reg __iomem *)hldev->bar0; | |
446 | ||
447 | hldev->toc_reg = __vxge_hw_device_toc_get(hldev->bar0); | |
448 | if (hldev->toc_reg == NULL) { | |
449 | status = VXGE_HW_FAIL; | |
450 | goto exit; | |
451 | } | |
452 | ||
453 | val64 = readq(&hldev->toc_reg->toc_common_pointer); | |
454 | hldev->common_reg = | |
455 | (struct vxge_hw_common_reg __iomem *)(hldev->bar0 + val64); | |
456 | ||
457 | val64 = readq(&hldev->toc_reg->toc_mrpcim_pointer); | |
458 | hldev->mrpcim_reg = | |
459 | (struct vxge_hw_mrpcim_reg __iomem *)(hldev->bar0 + val64); | |
460 | ||
461 | for (i = 0; i < VXGE_HW_TITAN_SRPCIM_REG_SPACES; i++) { | |
462 | val64 = readq(&hldev->toc_reg->toc_srpcim_pointer[i]); | |
463 | hldev->srpcim_reg[i] = | |
464 | (struct vxge_hw_srpcim_reg __iomem *) | |
465 | (hldev->bar0 + val64); | |
466 | } | |
467 | ||
468 | for (i = 0; i < VXGE_HW_TITAN_VPMGMT_REG_SPACES; i++) { | |
469 | val64 = readq(&hldev->toc_reg->toc_vpmgmt_pointer[i]); | |
470 | hldev->vpmgmt_reg[i] = | |
471 | (struct vxge_hw_vpmgmt_reg __iomem *)(hldev->bar0 + val64); | |
472 | } | |
473 | ||
474 | for (i = 0; i < VXGE_HW_TITAN_VPATH_REG_SPACES; i++) { | |
475 | val64 = readq(&hldev->toc_reg->toc_vpath_pointer[i]); | |
476 | hldev->vpath_reg[i] = | |
477 | (struct vxge_hw_vpath_reg __iomem *) | |
478 | (hldev->bar0 + val64); | |
479 | } | |
480 | ||
481 | val64 = readq(&hldev->toc_reg->toc_kdfc); | |
482 | ||
483 | switch (VXGE_HW_TOC_GET_KDFC_INITIAL_BIR(val64)) { | |
484 | case 0: | |
485 | hldev->kdfc = (u8 __iomem *)(hldev->bar0 + | |
486 | VXGE_HW_TOC_GET_KDFC_INITIAL_OFFSET(val64)); | |
487 | break; | |
40a3a915 RV |
488 | default: |
489 | break; | |
490 | } | |
491 | ||
492 | status = __vxge_hw_device_vpath_reset_in_prog_check( | |
493 | (u64 __iomem *)&hldev->common_reg->vpath_rst_in_prog); | |
494 | exit: | |
495 | return status; | |
496 | } | |
497 | ||
498 | /* | |
499 | * __vxge_hw_device_id_get | |
500 | * This routine returns sets the device id and revision numbers into the device | |
501 | * structure | |
502 | */ | |
503 | void __vxge_hw_device_id_get(struct __vxge_hw_device *hldev) | |
504 | { | |
505 | u64 val64; | |
506 | ||
507 | val64 = readq(&hldev->common_reg->titan_asic_id); | |
508 | hldev->device_id = | |
509 | (u16)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_DEVICE_ID(val64); | |
510 | ||
511 | hldev->major_revision = | |
512 | (u8)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_MAJOR_REVISION(val64); | |
513 | ||
514 | hldev->minor_revision = | |
515 | (u8)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_MINOR_REVISION(val64); | |
40a3a915 RV |
516 | } |
517 | ||
518 | /* | |
519 | * __vxge_hw_device_access_rights_get: Get Access Rights of the driver | |
520 | * This routine returns the Access Rights of the driver | |
521 | */ | |
522 | static u32 | |
523 | __vxge_hw_device_access_rights_get(u32 host_type, u32 func_id) | |
524 | { | |
525 | u32 access_rights = VXGE_HW_DEVICE_ACCESS_RIGHT_VPATH; | |
526 | ||
527 | switch (host_type) { | |
528 | case VXGE_HW_NO_MR_NO_SR_NORMAL_FUNCTION: | |
1dc47a9b SH |
529 | if (func_id == 0) { |
530 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
531 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
532 | } | |
40a3a915 RV |
533 | break; |
534 | case VXGE_HW_MR_NO_SR_VH0_BASE_FUNCTION: | |
535 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
536 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
537 | break; | |
538 | case VXGE_HW_NO_MR_SR_VH0_FUNCTION0: | |
539 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM | | |
540 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
541 | break; | |
542 | case VXGE_HW_NO_MR_SR_VH0_VIRTUAL_FUNCTION: | |
543 | case VXGE_HW_SR_VH_VIRTUAL_FUNCTION: | |
544 | case VXGE_HW_MR_SR_VH0_INVALID_CONFIG: | |
545 | break; | |
546 | case VXGE_HW_SR_VH_FUNCTION0: | |
547 | case VXGE_HW_VH_NORMAL_FUNCTION: | |
548 | access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM; | |
549 | break; | |
550 | } | |
551 | ||
552 | return access_rights; | |
553 | } | |
92cdd7c3 SH |
554 | /* |
555 | * __vxge_hw_device_is_privilaged | |
556 | * This routine checks if the device function is privilaged or not | |
557 | */ | |
558 | ||
559 | enum vxge_hw_status | |
560 | __vxge_hw_device_is_privilaged(u32 host_type, u32 func_id) | |
561 | { | |
562 | if (__vxge_hw_device_access_rights_get(host_type, | |
563 | func_id) & | |
564 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) | |
565 | return VXGE_HW_OK; | |
566 | else | |
567 | return VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
568 | } | |
569 | ||
40a3a915 RV |
570 | /* |
571 | * __vxge_hw_device_host_info_get | |
572 | * This routine returns the host type assignments | |
573 | */ | |
574 | void __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev) | |
575 | { | |
576 | u64 val64; | |
577 | u32 i; | |
578 | ||
579 | val64 = readq(&hldev->common_reg->host_type_assignments); | |
580 | ||
581 | hldev->host_type = | |
582 | (u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64); | |
583 | ||
584 | hldev->vpath_assignments = readq(&hldev->common_reg->vpath_assignments); | |
585 | ||
586 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
587 | ||
588 | if (!(hldev->vpath_assignments & vxge_mBIT(i))) | |
589 | continue; | |
590 | ||
591 | hldev->func_id = | |
592 | __vxge_hw_vpath_func_id_get(i, hldev->vpmgmt_reg[i]); | |
593 | ||
594 | hldev->access_rights = __vxge_hw_device_access_rights_get( | |
595 | hldev->host_type, hldev->func_id); | |
596 | ||
597 | hldev->first_vp_id = i; | |
598 | break; | |
599 | } | |
40a3a915 RV |
600 | } |
601 | ||
602 | /* | |
603 | * __vxge_hw_verify_pci_e_info - Validate the pci-e link parameters such as | |
604 | * link width and signalling rate. | |
605 | */ | |
606 | static enum vxge_hw_status | |
607 | __vxge_hw_verify_pci_e_info(struct __vxge_hw_device *hldev) | |
608 | { | |
609 | int exp_cap; | |
610 | u16 lnk; | |
611 | ||
612 | /* Get the negotiated link width and speed from PCI config space */ | |
613 | exp_cap = pci_find_capability(hldev->pdev, PCI_CAP_ID_EXP); | |
614 | pci_read_config_word(hldev->pdev, exp_cap + PCI_EXP_LNKSTA, &lnk); | |
615 | ||
616 | if ((lnk & PCI_EXP_LNKSTA_CLS) != 1) | |
617 | return VXGE_HW_ERR_INVALID_PCI_INFO; | |
618 | ||
619 | switch ((lnk & PCI_EXP_LNKSTA_NLW) >> 4) { | |
620 | case PCIE_LNK_WIDTH_RESRV: | |
621 | case PCIE_LNK_X1: | |
622 | case PCIE_LNK_X2: | |
623 | case PCIE_LNK_X4: | |
624 | case PCIE_LNK_X8: | |
625 | break; | |
626 | default: | |
627 | return VXGE_HW_ERR_INVALID_PCI_INFO; | |
628 | } | |
629 | ||
630 | return VXGE_HW_OK; | |
631 | } | |
632 | ||
40a3a915 RV |
633 | /* |
634 | * __vxge_hw_device_initialize | |
635 | * Initialize Titan-V hardware. | |
636 | */ | |
637 | enum vxge_hw_status __vxge_hw_device_initialize(struct __vxge_hw_device *hldev) | |
638 | { | |
639 | enum vxge_hw_status status = VXGE_HW_OK; | |
640 | ||
92cdd7c3 SH |
641 | if (VXGE_HW_OK == __vxge_hw_device_is_privilaged(hldev->host_type, |
642 | hldev->func_id)) { | |
5dbc9011 SS |
643 | /* Validate the pci-e link width and speed */ |
644 | status = __vxge_hw_verify_pci_e_info(hldev); | |
645 | if (status != VXGE_HW_OK) | |
646 | goto exit; | |
647 | } | |
40a3a915 | 648 | |
40a3a915 RV |
649 | exit: |
650 | return status; | |
651 | } | |
652 | ||
653 | /** | |
654 | * vxge_hw_device_hw_info_get - Get the hw information | |
655 | * Returns the vpath mask that has the bits set for each vpath allocated | |
656 | * for the driver, FW version information and the first mac addresse for | |
657 | * each vpath | |
658 | */ | |
659 | enum vxge_hw_status __devinit | |
660 | vxge_hw_device_hw_info_get(void __iomem *bar0, | |
661 | struct vxge_hw_device_hw_info *hw_info) | |
662 | { | |
663 | u32 i; | |
664 | u64 val64; | |
665 | struct vxge_hw_toc_reg __iomem *toc; | |
666 | struct vxge_hw_mrpcim_reg __iomem *mrpcim_reg; | |
667 | struct vxge_hw_common_reg __iomem *common_reg; | |
668 | struct vxge_hw_vpath_reg __iomem *vpath_reg; | |
669 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg; | |
670 | enum vxge_hw_status status; | |
671 | ||
672 | memset(hw_info, 0, sizeof(struct vxge_hw_device_hw_info)); | |
673 | ||
674 | toc = __vxge_hw_device_toc_get(bar0); | |
675 | if (toc == NULL) { | |
676 | status = VXGE_HW_ERR_CRITICAL; | |
677 | goto exit; | |
678 | } | |
679 | ||
680 | val64 = readq(&toc->toc_common_pointer); | |
681 | common_reg = (struct vxge_hw_common_reg __iomem *)(bar0 + val64); | |
682 | ||
683 | status = __vxge_hw_device_vpath_reset_in_prog_check( | |
684 | (u64 __iomem *)&common_reg->vpath_rst_in_prog); | |
685 | if (status != VXGE_HW_OK) | |
686 | goto exit; | |
687 | ||
688 | hw_info->vpath_mask = readq(&common_reg->vpath_assignments); | |
689 | ||
690 | val64 = readq(&common_reg->host_type_assignments); | |
691 | ||
692 | hw_info->host_type = | |
693 | (u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64); | |
694 | ||
695 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
696 | ||
697 | if (!((hw_info->vpath_mask) & vxge_mBIT(i))) | |
698 | continue; | |
699 | ||
700 | val64 = readq(&toc->toc_vpmgmt_pointer[i]); | |
701 | ||
702 | vpmgmt_reg = (struct vxge_hw_vpmgmt_reg __iomem *) | |
703 | (bar0 + val64); | |
704 | ||
705 | hw_info->func_id = __vxge_hw_vpath_func_id_get(i, vpmgmt_reg); | |
706 | if (__vxge_hw_device_access_rights_get(hw_info->host_type, | |
707 | hw_info->func_id) & | |
708 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) { | |
709 | ||
710 | val64 = readq(&toc->toc_mrpcim_pointer); | |
711 | ||
712 | mrpcim_reg = (struct vxge_hw_mrpcim_reg __iomem *) | |
713 | (bar0 + val64); | |
714 | ||
715 | writeq(0, &mrpcim_reg->xgmac_gen_fw_memo_mask); | |
716 | wmb(); | |
717 | } | |
718 | ||
719 | val64 = readq(&toc->toc_vpath_pointer[i]); | |
720 | ||
721 | vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64); | |
722 | ||
723 | hw_info->function_mode = | |
724 | __vxge_hw_vpath_pci_func_mode_get(i, vpath_reg); | |
725 | ||
726 | status = __vxge_hw_vpath_fw_ver_get(i, vpath_reg, hw_info); | |
727 | if (status != VXGE_HW_OK) | |
728 | goto exit; | |
729 | ||
730 | status = __vxge_hw_vpath_card_info_get(i, vpath_reg, hw_info); | |
731 | if (status != VXGE_HW_OK) | |
732 | goto exit; | |
733 | ||
734 | break; | |
735 | } | |
736 | ||
737 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
738 | ||
739 | if (!((hw_info->vpath_mask) & vxge_mBIT(i))) | |
740 | continue; | |
741 | ||
742 | val64 = readq(&toc->toc_vpath_pointer[i]); | |
743 | vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64); | |
744 | ||
745 | status = __vxge_hw_vpath_addr_get(i, vpath_reg, | |
746 | hw_info->mac_addrs[i], | |
747 | hw_info->mac_addr_masks[i]); | |
748 | if (status != VXGE_HW_OK) | |
749 | goto exit; | |
750 | } | |
751 | exit: | |
752 | return status; | |
753 | } | |
754 | ||
755 | /* | |
756 | * vxge_hw_device_initialize - Initialize Titan device. | |
757 | * Initialize Titan device. Note that all the arguments of this public API | |
758 | * are 'IN', including @hldev. Driver cooperates with | |
759 | * OS to find new Titan device, locate its PCI and memory spaces. | |
760 | * | |
761 | * When done, the driver allocates sizeof(struct __vxge_hw_device) bytes for HW | |
762 | * to enable the latter to perform Titan hardware initialization. | |
763 | */ | |
764 | enum vxge_hw_status __devinit | |
765 | vxge_hw_device_initialize( | |
766 | struct __vxge_hw_device **devh, | |
767 | struct vxge_hw_device_attr *attr, | |
768 | struct vxge_hw_device_config *device_config) | |
769 | { | |
770 | u32 i; | |
771 | u32 nblocks = 0; | |
772 | struct __vxge_hw_device *hldev = NULL; | |
773 | enum vxge_hw_status status = VXGE_HW_OK; | |
774 | ||
775 | status = __vxge_hw_device_config_check(device_config); | |
776 | if (status != VXGE_HW_OK) | |
777 | goto exit; | |
778 | ||
779 | hldev = (struct __vxge_hw_device *) | |
780 | vmalloc(sizeof(struct __vxge_hw_device)); | |
781 | if (hldev == NULL) { | |
782 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
783 | goto exit; | |
784 | } | |
785 | ||
786 | memset(hldev, 0, sizeof(struct __vxge_hw_device)); | |
787 | hldev->magic = VXGE_HW_DEVICE_MAGIC; | |
788 | ||
789 | vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_ALL); | |
790 | ||
791 | /* apply config */ | |
792 | memcpy(&hldev->config, device_config, | |
793 | sizeof(struct vxge_hw_device_config)); | |
794 | ||
795 | hldev->bar0 = attr->bar0; | |
40a3a915 RV |
796 | hldev->pdev = attr->pdev; |
797 | ||
798 | hldev->uld_callbacks.link_up = attr->uld_callbacks.link_up; | |
799 | hldev->uld_callbacks.link_down = attr->uld_callbacks.link_down; | |
800 | hldev->uld_callbacks.crit_err = attr->uld_callbacks.crit_err; | |
801 | ||
802 | __vxge_hw_device_pci_e_init(hldev); | |
803 | ||
804 | status = __vxge_hw_device_reg_addr_get(hldev); | |
aaffbd9f SH |
805 | if (status != VXGE_HW_OK) { |
806 | vfree(hldev); | |
40a3a915 | 807 | goto exit; |
aaffbd9f | 808 | } |
40a3a915 RV |
809 | __vxge_hw_device_id_get(hldev); |
810 | ||
811 | __vxge_hw_device_host_info_get(hldev); | |
812 | ||
813 | /* Incrementing for stats blocks */ | |
814 | nblocks++; | |
815 | ||
816 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
817 | ||
818 | if (!(hldev->vpath_assignments & vxge_mBIT(i))) | |
819 | continue; | |
820 | ||
821 | if (device_config->vp_config[i].ring.enable == | |
822 | VXGE_HW_RING_ENABLE) | |
823 | nblocks += device_config->vp_config[i].ring.ring_blocks; | |
824 | ||
825 | if (device_config->vp_config[i].fifo.enable == | |
826 | VXGE_HW_FIFO_ENABLE) | |
827 | nblocks += device_config->vp_config[i].fifo.fifo_blocks; | |
828 | nblocks++; | |
829 | } | |
830 | ||
831 | if (__vxge_hw_blockpool_create(hldev, | |
832 | &hldev->block_pool, | |
833 | device_config->dma_blockpool_initial + nblocks, | |
834 | device_config->dma_blockpool_max + nblocks) != VXGE_HW_OK) { | |
835 | ||
836 | vxge_hw_device_terminate(hldev); | |
837 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
838 | goto exit; | |
839 | } | |
840 | ||
841 | status = __vxge_hw_device_initialize(hldev); | |
842 | ||
843 | if (status != VXGE_HW_OK) { | |
844 | vxge_hw_device_terminate(hldev); | |
845 | goto exit; | |
846 | } | |
847 | ||
848 | *devh = hldev; | |
849 | exit: | |
850 | return status; | |
851 | } | |
852 | ||
853 | /* | |
854 | * vxge_hw_device_terminate - Terminate Titan device. | |
855 | * Terminate HW device. | |
856 | */ | |
857 | void | |
858 | vxge_hw_device_terminate(struct __vxge_hw_device *hldev) | |
859 | { | |
860 | vxge_assert(hldev->magic == VXGE_HW_DEVICE_MAGIC); | |
861 | ||
862 | hldev->magic = VXGE_HW_DEVICE_DEAD; | |
863 | __vxge_hw_blockpool_destroy(&hldev->block_pool); | |
864 | vfree(hldev); | |
865 | } | |
866 | ||
867 | /* | |
868 | * vxge_hw_device_stats_get - Get the device hw statistics. | |
869 | * Returns the vpath h/w stats for the device. | |
870 | */ | |
871 | enum vxge_hw_status | |
872 | vxge_hw_device_stats_get(struct __vxge_hw_device *hldev, | |
873 | struct vxge_hw_device_stats_hw_info *hw_stats) | |
874 | { | |
875 | u32 i; | |
876 | enum vxge_hw_status status = VXGE_HW_OK; | |
877 | ||
878 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
879 | ||
880 | if (!(hldev->vpaths_deployed & vxge_mBIT(i)) || | |
881 | (hldev->virtual_paths[i].vp_open == | |
882 | VXGE_HW_VP_NOT_OPEN)) | |
883 | continue; | |
884 | ||
885 | memcpy(hldev->virtual_paths[i].hw_stats_sav, | |
886 | hldev->virtual_paths[i].hw_stats, | |
887 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
888 | ||
889 | status = __vxge_hw_vpath_stats_get( | |
890 | &hldev->virtual_paths[i], | |
891 | hldev->virtual_paths[i].hw_stats); | |
892 | } | |
893 | ||
894 | memcpy(hw_stats, &hldev->stats.hw_dev_info_stats, | |
895 | sizeof(struct vxge_hw_device_stats_hw_info)); | |
896 | ||
897 | return status; | |
898 | } | |
899 | ||
900 | /* | |
901 | * vxge_hw_driver_stats_get - Get the device sw statistics. | |
902 | * Returns the vpath s/w stats for the device. | |
903 | */ | |
904 | enum vxge_hw_status vxge_hw_driver_stats_get( | |
905 | struct __vxge_hw_device *hldev, | |
906 | struct vxge_hw_device_stats_sw_info *sw_stats) | |
907 | { | |
908 | enum vxge_hw_status status = VXGE_HW_OK; | |
909 | ||
910 | memcpy(sw_stats, &hldev->stats.sw_dev_info_stats, | |
911 | sizeof(struct vxge_hw_device_stats_sw_info)); | |
912 | ||
913 | return status; | |
914 | } | |
915 | ||
916 | /* | |
917 | * vxge_hw_mrpcim_stats_access - Access the statistics from the given location | |
918 | * and offset and perform an operation | |
919 | * Get the statistics from the given location and offset. | |
920 | */ | |
921 | enum vxge_hw_status | |
922 | vxge_hw_mrpcim_stats_access(struct __vxge_hw_device *hldev, | |
923 | u32 operation, u32 location, u32 offset, u64 *stat) | |
924 | { | |
925 | u64 val64; | |
926 | enum vxge_hw_status status = VXGE_HW_OK; | |
927 | ||
92cdd7c3 SH |
928 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
929 | hldev->func_id); | |
40a3a915 RV |
930 | if (status != VXGE_HW_OK) |
931 | goto exit; | |
932 | ||
933 | val64 = VXGE_HW_XMAC_STATS_SYS_CMD_OP(operation) | | |
934 | VXGE_HW_XMAC_STATS_SYS_CMD_STROBE | | |
935 | VXGE_HW_XMAC_STATS_SYS_CMD_LOC_SEL(location) | | |
936 | VXGE_HW_XMAC_STATS_SYS_CMD_OFFSET_SEL(offset); | |
937 | ||
938 | status = __vxge_hw_pio_mem_write64(val64, | |
939 | &hldev->mrpcim_reg->xmac_stats_sys_cmd, | |
940 | VXGE_HW_XMAC_STATS_SYS_CMD_STROBE, | |
941 | hldev->config.device_poll_millis); | |
942 | ||
943 | if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) | |
944 | *stat = readq(&hldev->mrpcim_reg->xmac_stats_sys_data); | |
945 | else | |
946 | *stat = 0; | |
947 | exit: | |
948 | return status; | |
949 | } | |
950 | ||
951 | /* | |
952 | * vxge_hw_device_xmac_aggr_stats_get - Get the Statistics on aggregate port | |
953 | * Get the Statistics on aggregate port | |
954 | */ | |
42821a5b | 955 | static enum vxge_hw_status |
40a3a915 RV |
956 | vxge_hw_device_xmac_aggr_stats_get(struct __vxge_hw_device *hldev, u32 port, |
957 | struct vxge_hw_xmac_aggr_stats *aggr_stats) | |
958 | { | |
959 | u64 *val64; | |
960 | int i; | |
961 | u32 offset = VXGE_HW_STATS_AGGRn_OFFSET; | |
962 | enum vxge_hw_status status = VXGE_HW_OK; | |
963 | ||
964 | val64 = (u64 *)aggr_stats; | |
965 | ||
92cdd7c3 SH |
966 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
967 | hldev->func_id); | |
40a3a915 RV |
968 | if (status != VXGE_HW_OK) |
969 | goto exit; | |
970 | ||
971 | for (i = 0; i < sizeof(struct vxge_hw_xmac_aggr_stats) / 8; i++) { | |
972 | status = vxge_hw_mrpcim_stats_access(hldev, | |
973 | VXGE_HW_STATS_OP_READ, | |
974 | VXGE_HW_STATS_LOC_AGGR, | |
975 | ((offset + (104 * port)) >> 3), val64); | |
976 | if (status != VXGE_HW_OK) | |
977 | goto exit; | |
978 | ||
979 | offset += 8; | |
980 | val64++; | |
981 | } | |
982 | exit: | |
983 | return status; | |
984 | } | |
985 | ||
986 | /* | |
987 | * vxge_hw_device_xmac_port_stats_get - Get the Statistics on a port | |
988 | * Get the Statistics on port | |
989 | */ | |
42821a5b | 990 | static enum vxge_hw_status |
40a3a915 RV |
991 | vxge_hw_device_xmac_port_stats_get(struct __vxge_hw_device *hldev, u32 port, |
992 | struct vxge_hw_xmac_port_stats *port_stats) | |
993 | { | |
994 | u64 *val64; | |
995 | enum vxge_hw_status status = VXGE_HW_OK; | |
996 | int i; | |
997 | u32 offset = 0x0; | |
998 | val64 = (u64 *) port_stats; | |
999 | ||
92cdd7c3 SH |
1000 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
1001 | hldev->func_id); | |
40a3a915 RV |
1002 | if (status != VXGE_HW_OK) |
1003 | goto exit; | |
1004 | ||
1005 | for (i = 0; i < sizeof(struct vxge_hw_xmac_port_stats) / 8; i++) { | |
1006 | status = vxge_hw_mrpcim_stats_access(hldev, | |
1007 | VXGE_HW_STATS_OP_READ, | |
1008 | VXGE_HW_STATS_LOC_AGGR, | |
1009 | ((offset + (608 * port)) >> 3), val64); | |
1010 | if (status != VXGE_HW_OK) | |
1011 | goto exit; | |
1012 | ||
1013 | offset += 8; | |
1014 | val64++; | |
1015 | } | |
1016 | ||
1017 | exit: | |
1018 | return status; | |
1019 | } | |
1020 | ||
1021 | /* | |
1022 | * vxge_hw_device_xmac_stats_get - Get the XMAC Statistics | |
1023 | * Get the XMAC Statistics | |
1024 | */ | |
1025 | enum vxge_hw_status | |
1026 | vxge_hw_device_xmac_stats_get(struct __vxge_hw_device *hldev, | |
1027 | struct vxge_hw_xmac_stats *xmac_stats) | |
1028 | { | |
1029 | enum vxge_hw_status status = VXGE_HW_OK; | |
1030 | u32 i; | |
1031 | ||
1032 | status = vxge_hw_device_xmac_aggr_stats_get(hldev, | |
1033 | 0, &xmac_stats->aggr_stats[0]); | |
1034 | ||
1035 | if (status != VXGE_HW_OK) | |
1036 | goto exit; | |
1037 | ||
1038 | status = vxge_hw_device_xmac_aggr_stats_get(hldev, | |
1039 | 1, &xmac_stats->aggr_stats[1]); | |
1040 | if (status != VXGE_HW_OK) | |
1041 | goto exit; | |
1042 | ||
1043 | for (i = 0; i <= VXGE_HW_MAC_MAX_MAC_PORT_ID; i++) { | |
1044 | ||
1045 | status = vxge_hw_device_xmac_port_stats_get(hldev, | |
1046 | i, &xmac_stats->port_stats[i]); | |
1047 | if (status != VXGE_HW_OK) | |
1048 | goto exit; | |
1049 | } | |
1050 | ||
1051 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1052 | ||
1053 | if (!(hldev->vpaths_deployed & vxge_mBIT(i))) | |
1054 | continue; | |
1055 | ||
1056 | status = __vxge_hw_vpath_xmac_tx_stats_get( | |
1057 | &hldev->virtual_paths[i], | |
1058 | &xmac_stats->vpath_tx_stats[i]); | |
1059 | if (status != VXGE_HW_OK) | |
1060 | goto exit; | |
1061 | ||
1062 | status = __vxge_hw_vpath_xmac_rx_stats_get( | |
1063 | &hldev->virtual_paths[i], | |
1064 | &xmac_stats->vpath_rx_stats[i]); | |
1065 | if (status != VXGE_HW_OK) | |
1066 | goto exit; | |
1067 | } | |
1068 | exit: | |
1069 | return status; | |
1070 | } | |
1071 | ||
1072 | /* | |
1073 | * vxge_hw_device_debug_set - Set the debug module, level and timestamp | |
1074 | * This routine is used to dynamically change the debug output | |
1075 | */ | |
1076 | void vxge_hw_device_debug_set(struct __vxge_hw_device *hldev, | |
1077 | enum vxge_debug_level level, u32 mask) | |
1078 | { | |
1079 | if (hldev == NULL) | |
1080 | return; | |
1081 | ||
1082 | #if defined(VXGE_DEBUG_TRACE_MASK) || \ | |
1083 | defined(VXGE_DEBUG_ERR_MASK) | |
1084 | hldev->debug_module_mask = mask; | |
1085 | hldev->debug_level = level; | |
1086 | #endif | |
1087 | ||
1088 | #if defined(VXGE_DEBUG_ERR_MASK) | |
1089 | hldev->level_err = level & VXGE_ERR; | |
1090 | #endif | |
1091 | ||
1092 | #if defined(VXGE_DEBUG_TRACE_MASK) | |
1093 | hldev->level_trace = level & VXGE_TRACE; | |
1094 | #endif | |
1095 | } | |
1096 | ||
1097 | /* | |
1098 | * vxge_hw_device_error_level_get - Get the error level | |
1099 | * This routine returns the current error level set | |
1100 | */ | |
1101 | u32 vxge_hw_device_error_level_get(struct __vxge_hw_device *hldev) | |
1102 | { | |
1103 | #if defined(VXGE_DEBUG_ERR_MASK) | |
1104 | if (hldev == NULL) | |
1105 | return VXGE_ERR; | |
1106 | else | |
1107 | return hldev->level_err; | |
1108 | #else | |
1109 | return 0; | |
1110 | #endif | |
1111 | } | |
1112 | ||
1113 | /* | |
1114 | * vxge_hw_device_trace_level_get - Get the trace level | |
1115 | * This routine returns the current trace level set | |
1116 | */ | |
1117 | u32 vxge_hw_device_trace_level_get(struct __vxge_hw_device *hldev) | |
1118 | { | |
1119 | #if defined(VXGE_DEBUG_TRACE_MASK) | |
1120 | if (hldev == NULL) | |
1121 | return VXGE_TRACE; | |
1122 | else | |
1123 | return hldev->level_trace; | |
1124 | #else | |
1125 | return 0; | |
1126 | #endif | |
1127 | } | |
40a3a915 RV |
1128 | |
1129 | /* | |
1130 | * vxge_hw_getpause_data -Pause frame frame generation and reception. | |
1131 | * Returns the Pause frame generation and reception capability of the NIC. | |
1132 | */ | |
1133 | enum vxge_hw_status vxge_hw_device_getpause_data(struct __vxge_hw_device *hldev, | |
1134 | u32 port, u32 *tx, u32 *rx) | |
1135 | { | |
1136 | u64 val64; | |
1137 | enum vxge_hw_status status = VXGE_HW_OK; | |
1138 | ||
1139 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
1140 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
1141 | goto exit; | |
1142 | } | |
1143 | ||
1144 | if (port > VXGE_HW_MAC_MAX_MAC_PORT_ID) { | |
1145 | status = VXGE_HW_ERR_INVALID_PORT; | |
1146 | goto exit; | |
1147 | } | |
1148 | ||
1149 | if (!(hldev->access_rights & VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
1150 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
1151 | goto exit; | |
1152 | } | |
1153 | ||
1154 | val64 = readq(&hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1155 | if (val64 & VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN) | |
1156 | *tx = 1; | |
1157 | if (val64 & VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN) | |
1158 | *rx = 1; | |
1159 | exit: | |
1160 | return status; | |
1161 | } | |
1162 | ||
1163 | /* | |
1164 | * vxge_hw_device_setpause_data - set/reset pause frame generation. | |
1165 | * It can be used to set or reset Pause frame generation or reception | |
1166 | * support of the NIC. | |
1167 | */ | |
1168 | ||
1169 | enum vxge_hw_status vxge_hw_device_setpause_data(struct __vxge_hw_device *hldev, | |
1170 | u32 port, u32 tx, u32 rx) | |
1171 | { | |
1172 | u64 val64; | |
1173 | enum vxge_hw_status status = VXGE_HW_OK; | |
1174 | ||
1175 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
1176 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
1177 | goto exit; | |
1178 | } | |
1179 | ||
1180 | if (port > VXGE_HW_MAC_MAX_MAC_PORT_ID) { | |
1181 | status = VXGE_HW_ERR_INVALID_PORT; | |
1182 | goto exit; | |
1183 | } | |
1184 | ||
92cdd7c3 SH |
1185 | status = __vxge_hw_device_is_privilaged(hldev->host_type, |
1186 | hldev->func_id); | |
40a3a915 RV |
1187 | if (status != VXGE_HW_OK) |
1188 | goto exit; | |
1189 | ||
1190 | val64 = readq(&hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1191 | if (tx) | |
1192 | val64 |= VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN; | |
1193 | else | |
1194 | val64 &= ~VXGE_HW_RXMAC_PAUSE_CFG_PORT_GEN_EN; | |
1195 | if (rx) | |
1196 | val64 |= VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN; | |
1197 | else | |
1198 | val64 &= ~VXGE_HW_RXMAC_PAUSE_CFG_PORT_RCV_EN; | |
1199 | ||
1200 | writeq(val64, &hldev->mrpcim_reg->rxmac_pause_cfg_port[port]); | |
1201 | exit: | |
1202 | return status; | |
1203 | } | |
1204 | ||
1205 | u16 vxge_hw_device_link_width_get(struct __vxge_hw_device *hldev) | |
1206 | { | |
1207 | int link_width, exp_cap; | |
1208 | u16 lnk; | |
1209 | ||
1210 | exp_cap = pci_find_capability(hldev->pdev, PCI_CAP_ID_EXP); | |
1211 | pci_read_config_word(hldev->pdev, exp_cap + PCI_EXP_LNKSTA, &lnk); | |
1212 | link_width = (lnk & VXGE_HW_PCI_EXP_LNKCAP_LNK_WIDTH) >> 4; | |
1213 | return link_width; | |
1214 | } | |
1215 | ||
1216 | /* | |
1217 | * __vxge_hw_ring_block_memblock_idx - Return the memblock index | |
1218 | * This function returns the index of memory block | |
1219 | */ | |
1220 | static inline u32 | |
1221 | __vxge_hw_ring_block_memblock_idx(u8 *block) | |
1222 | { | |
1223 | return (u32)*((u64 *)(block + VXGE_HW_RING_MEMBLOCK_IDX_OFFSET)); | |
1224 | } | |
1225 | ||
1226 | /* | |
1227 | * __vxge_hw_ring_block_memblock_idx_set - Sets the memblock index | |
1228 | * This function sets index to a memory block | |
1229 | */ | |
1230 | static inline void | |
1231 | __vxge_hw_ring_block_memblock_idx_set(u8 *block, u32 memblock_idx) | |
1232 | { | |
1233 | *((u64 *)(block + VXGE_HW_RING_MEMBLOCK_IDX_OFFSET)) = memblock_idx; | |
1234 | } | |
1235 | ||
1236 | /* | |
1237 | * __vxge_hw_ring_block_next_pointer_set - Sets the next block pointer | |
1238 | * in RxD block | |
1239 | * Sets the next block pointer in RxD block | |
1240 | */ | |
1241 | static inline void | |
1242 | __vxge_hw_ring_block_next_pointer_set(u8 *block, dma_addr_t dma_next) | |
1243 | { | |
1244 | *((u64 *)(block + VXGE_HW_RING_NEXT_BLOCK_POINTER_OFFSET)) = dma_next; | |
1245 | } | |
1246 | ||
1247 | /* | |
1248 | * __vxge_hw_ring_first_block_address_get - Returns the dma address of the | |
1249 | * first block | |
1250 | * Returns the dma address of the first RxD block | |
1251 | */ | |
42821a5b | 1252 | static u64 __vxge_hw_ring_first_block_address_get(struct __vxge_hw_ring *ring) |
40a3a915 RV |
1253 | { |
1254 | struct vxge_hw_mempool_dma *dma_object; | |
1255 | ||
1256 | dma_object = ring->mempool->memblocks_dma_arr; | |
1257 | vxge_assert(dma_object != NULL); | |
1258 | ||
1259 | return dma_object->addr; | |
1260 | } | |
1261 | ||
1262 | /* | |
1263 | * __vxge_hw_ring_item_dma_addr - Return the dma address of an item | |
1264 | * This function returns the dma address of a given item | |
1265 | */ | |
1266 | static dma_addr_t __vxge_hw_ring_item_dma_addr(struct vxge_hw_mempool *mempoolh, | |
1267 | void *item) | |
1268 | { | |
1269 | u32 memblock_idx; | |
1270 | void *memblock; | |
1271 | struct vxge_hw_mempool_dma *memblock_dma_object; | |
1272 | ptrdiff_t dma_item_offset; | |
1273 | ||
1274 | /* get owner memblock index */ | |
1275 | memblock_idx = __vxge_hw_ring_block_memblock_idx(item); | |
1276 | ||
1277 | /* get owner memblock by memblock index */ | |
1278 | memblock = mempoolh->memblocks_arr[memblock_idx]; | |
1279 | ||
1280 | /* get memblock DMA object by memblock index */ | |
1281 | memblock_dma_object = mempoolh->memblocks_dma_arr + memblock_idx; | |
1282 | ||
1283 | /* calculate offset in the memblock of this item */ | |
1284 | dma_item_offset = (u8 *)item - (u8 *)memblock; | |
1285 | ||
1286 | return memblock_dma_object->addr + dma_item_offset; | |
1287 | } | |
1288 | ||
1289 | /* | |
1290 | * __vxge_hw_ring_rxdblock_link - Link the RxD blocks | |
1291 | * This function returns the dma address of a given item | |
1292 | */ | |
1293 | static void __vxge_hw_ring_rxdblock_link(struct vxge_hw_mempool *mempoolh, | |
1294 | struct __vxge_hw_ring *ring, u32 from, | |
1295 | u32 to) | |
1296 | { | |
1297 | u8 *to_item , *from_item; | |
1298 | dma_addr_t to_dma; | |
1299 | ||
1300 | /* get "from" RxD block */ | |
1301 | from_item = mempoolh->items_arr[from]; | |
1302 | vxge_assert(from_item); | |
1303 | ||
1304 | /* get "to" RxD block */ | |
1305 | to_item = mempoolh->items_arr[to]; | |
1306 | vxge_assert(to_item); | |
1307 | ||
1308 | /* return address of the beginning of previous RxD block */ | |
1309 | to_dma = __vxge_hw_ring_item_dma_addr(mempoolh, to_item); | |
1310 | ||
1311 | /* set next pointer for this RxD block to point on | |
1312 | * previous item's DMA start address */ | |
1313 | __vxge_hw_ring_block_next_pointer_set(from_item, to_dma); | |
1314 | } | |
1315 | ||
1316 | /* | |
1317 | * __vxge_hw_ring_mempool_item_alloc - Allocate List blocks for RxD | |
1318 | * block callback | |
1319 | * This function is callback passed to __vxge_hw_mempool_create to create memory | |
1320 | * pool for RxD block | |
1321 | */ | |
1322 | static void | |
1323 | __vxge_hw_ring_mempool_item_alloc(struct vxge_hw_mempool *mempoolh, | |
1324 | u32 memblock_index, | |
1325 | struct vxge_hw_mempool_dma *dma_object, | |
1326 | u32 index, u32 is_last) | |
1327 | { | |
1328 | u32 i; | |
1329 | void *item = mempoolh->items_arr[index]; | |
1330 | struct __vxge_hw_ring *ring = | |
1331 | (struct __vxge_hw_ring *)mempoolh->userdata; | |
1332 | ||
1333 | /* format rxds array */ | |
1334 | for (i = 0; i < ring->rxds_per_block; i++) { | |
1335 | void *rxdblock_priv; | |
1336 | void *uld_priv; | |
1337 | struct vxge_hw_ring_rxd_1 *rxdp; | |
1338 | ||
1339 | u32 reserve_index = ring->channel.reserve_ptr - | |
1340 | (index * ring->rxds_per_block + i + 1); | |
1341 | u32 memblock_item_idx; | |
1342 | ||
1343 | ring->channel.reserve_arr[reserve_index] = ((u8 *)item) + | |
1344 | i * ring->rxd_size; | |
1345 | ||
1346 | /* Note: memblock_item_idx is index of the item within | |
1347 | * the memblock. For instance, in case of three RxD-blocks | |
1348 | * per memblock this value can be 0, 1 or 2. */ | |
1349 | rxdblock_priv = __vxge_hw_mempool_item_priv(mempoolh, | |
1350 | memblock_index, item, | |
1351 | &memblock_item_idx); | |
1352 | ||
1353 | rxdp = (struct vxge_hw_ring_rxd_1 *) | |
1354 | ring->channel.reserve_arr[reserve_index]; | |
1355 | ||
1356 | uld_priv = ((u8 *)rxdblock_priv + ring->rxd_priv_size * i); | |
1357 | ||
1358 | /* pre-format Host_Control */ | |
1359 | rxdp->host_control = (u64)(size_t)uld_priv; | |
1360 | } | |
1361 | ||
1362 | __vxge_hw_ring_block_memblock_idx_set(item, memblock_index); | |
1363 | ||
1364 | if (is_last) { | |
1365 | /* link last one with first one */ | |
1366 | __vxge_hw_ring_rxdblock_link(mempoolh, ring, index, 0); | |
1367 | } | |
1368 | ||
1369 | if (index > 0) { | |
1370 | /* link this RxD block with previous one */ | |
1371 | __vxge_hw_ring_rxdblock_link(mempoolh, ring, index - 1, index); | |
1372 | } | |
40a3a915 RV |
1373 | } |
1374 | ||
1375 | /* | |
3363276f | 1376 | * __vxge_hw_ring_replenish - Initial replenish of RxDs |
40a3a915 RV |
1377 | * This function replenishes the RxDs from reserve array to work array |
1378 | */ | |
1379 | enum vxge_hw_status | |
3363276f | 1380 | vxge_hw_ring_replenish(struct __vxge_hw_ring *ring) |
40a3a915 RV |
1381 | { |
1382 | void *rxd; | |
40a3a915 RV |
1383 | struct __vxge_hw_channel *channel; |
1384 | enum vxge_hw_status status = VXGE_HW_OK; | |
1385 | ||
1386 | channel = &ring->channel; | |
1387 | ||
1388 | while (vxge_hw_channel_dtr_count(channel) > 0) { | |
1389 | ||
1390 | status = vxge_hw_ring_rxd_reserve(ring, &rxd); | |
1391 | ||
1392 | vxge_assert(status == VXGE_HW_OK); | |
1393 | ||
1394 | if (ring->rxd_init) { | |
1395 | status = ring->rxd_init(rxd, channel->userdata); | |
1396 | if (status != VXGE_HW_OK) { | |
1397 | vxge_hw_ring_rxd_free(ring, rxd); | |
1398 | goto exit; | |
1399 | } | |
1400 | } | |
1401 | ||
1402 | vxge_hw_ring_rxd_post(ring, rxd); | |
40a3a915 RV |
1403 | } |
1404 | status = VXGE_HW_OK; | |
1405 | exit: | |
1406 | return status; | |
1407 | } | |
1408 | ||
1409 | /* | |
1410 | * __vxge_hw_ring_create - Create a Ring | |
1411 | * This function creates Ring and initializes it. | |
1412 | * | |
1413 | */ | |
42821a5b | 1414 | static enum vxge_hw_status |
40a3a915 RV |
1415 | __vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp, |
1416 | struct vxge_hw_ring_attr *attr) | |
1417 | { | |
1418 | enum vxge_hw_status status = VXGE_HW_OK; | |
1419 | struct __vxge_hw_ring *ring; | |
1420 | u32 ring_length; | |
1421 | struct vxge_hw_ring_config *config; | |
1422 | struct __vxge_hw_device *hldev; | |
1423 | u32 vp_id; | |
1424 | struct vxge_hw_mempool_cbs ring_mp_callback; | |
1425 | ||
1426 | if ((vp == NULL) || (attr == NULL)) { | |
1427 | status = VXGE_HW_FAIL; | |
1428 | goto exit; | |
1429 | } | |
1430 | ||
1431 | hldev = vp->vpath->hldev; | |
1432 | vp_id = vp->vpath->vp_id; | |
1433 | ||
1434 | config = &hldev->config.vp_config[vp_id].ring; | |
1435 | ||
1436 | ring_length = config->ring_blocks * | |
1437 | vxge_hw_ring_rxds_per_block_get(config->buffer_mode); | |
1438 | ||
1439 | ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp, | |
1440 | VXGE_HW_CHANNEL_TYPE_RING, | |
1441 | ring_length, | |
1442 | attr->per_rxd_space, | |
1443 | attr->userdata); | |
1444 | ||
1445 | if (ring == NULL) { | |
1446 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1447 | goto exit; | |
1448 | } | |
1449 | ||
1450 | vp->vpath->ringh = ring; | |
1451 | ring->vp_id = vp_id; | |
1452 | ring->vp_reg = vp->vpath->vp_reg; | |
1453 | ring->common_reg = hldev->common_reg; | |
1454 | ring->stats = &vp->vpath->sw_stats->ring_stats; | |
1455 | ring->config = config; | |
1456 | ring->callback = attr->callback; | |
1457 | ring->rxd_init = attr->rxd_init; | |
1458 | ring->rxd_term = attr->rxd_term; | |
1459 | ring->buffer_mode = config->buffer_mode; | |
1460 | ring->rxds_limit = config->rxds_limit; | |
1461 | ||
1462 | ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode); | |
1463 | ring->rxd_priv_size = | |
1464 | sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space; | |
1465 | ring->per_rxd_space = attr->per_rxd_space; | |
1466 | ||
1467 | ring->rxd_priv_size = | |
1468 | ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) / | |
1469 | VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; | |
1470 | ||
1471 | /* how many RxDs can fit into one block. Depends on configured | |
1472 | * buffer_mode. */ | |
1473 | ring->rxds_per_block = | |
1474 | vxge_hw_ring_rxds_per_block_get(config->buffer_mode); | |
1475 | ||
1476 | /* calculate actual RxD block private size */ | |
1477 | ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block; | |
1478 | ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc; | |
1479 | ring->mempool = __vxge_hw_mempool_create(hldev, | |
1480 | VXGE_HW_BLOCK_SIZE, | |
1481 | VXGE_HW_BLOCK_SIZE, | |
1482 | ring->rxdblock_priv_size, | |
1483 | ring->config->ring_blocks, | |
1484 | ring->config->ring_blocks, | |
1485 | &ring_mp_callback, | |
1486 | ring); | |
1487 | ||
1488 | if (ring->mempool == NULL) { | |
1489 | __vxge_hw_ring_delete(vp); | |
1490 | return VXGE_HW_ERR_OUT_OF_MEMORY; | |
1491 | } | |
1492 | ||
1493 | status = __vxge_hw_channel_initialize(&ring->channel); | |
1494 | if (status != VXGE_HW_OK) { | |
1495 | __vxge_hw_ring_delete(vp); | |
1496 | goto exit; | |
1497 | } | |
1498 | ||
1499 | /* Note: | |
1500 | * Specifying rxd_init callback means two things: | |
1501 | * 1) rxds need to be initialized by driver at channel-open time; | |
1502 | * 2) rxds need to be posted at channel-open time | |
1503 | * (that's what the initial_replenish() below does) | |
1504 | * Currently we don't have a case when the 1) is done without the 2). | |
1505 | */ | |
1506 | if (ring->rxd_init) { | |
3363276f | 1507 | status = vxge_hw_ring_replenish(ring); |
40a3a915 RV |
1508 | if (status != VXGE_HW_OK) { |
1509 | __vxge_hw_ring_delete(vp); | |
1510 | goto exit; | |
1511 | } | |
1512 | } | |
1513 | ||
1514 | /* initial replenish will increment the counter in its post() routine, | |
1515 | * we have to reset it */ | |
1516 | ring->stats->common_stats.usage_cnt = 0; | |
1517 | exit: | |
1518 | return status; | |
1519 | } | |
1520 | ||
1521 | /* | |
1522 | * __vxge_hw_ring_abort - Returns the RxD | |
1523 | * This function terminates the RxDs of ring | |
1524 | */ | |
42821a5b | 1525 | static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring) |
40a3a915 RV |
1526 | { |
1527 | void *rxdh; | |
1528 | struct __vxge_hw_channel *channel; | |
1529 | ||
1530 | channel = &ring->channel; | |
1531 | ||
1532 | for (;;) { | |
1533 | vxge_hw_channel_dtr_try_complete(channel, &rxdh); | |
1534 | ||
1535 | if (rxdh == NULL) | |
1536 | break; | |
1537 | ||
1538 | vxge_hw_channel_dtr_complete(channel); | |
1539 | ||
1540 | if (ring->rxd_term) | |
1541 | ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED, | |
1542 | channel->userdata); | |
1543 | ||
1544 | vxge_hw_channel_dtr_free(channel, rxdh); | |
1545 | } | |
1546 | ||
1547 | return VXGE_HW_OK; | |
1548 | } | |
1549 | ||
1550 | /* | |
1551 | * __vxge_hw_ring_reset - Resets the ring | |
1552 | * This function resets the ring during vpath reset operation | |
1553 | */ | |
42821a5b | 1554 | static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring) |
40a3a915 RV |
1555 | { |
1556 | enum vxge_hw_status status = VXGE_HW_OK; | |
1557 | struct __vxge_hw_channel *channel; | |
1558 | ||
1559 | channel = &ring->channel; | |
1560 | ||
1561 | __vxge_hw_ring_abort(ring); | |
1562 | ||
1563 | status = __vxge_hw_channel_reset(channel); | |
1564 | ||
1565 | if (status != VXGE_HW_OK) | |
1566 | goto exit; | |
1567 | ||
1568 | if (ring->rxd_init) { | |
3363276f | 1569 | status = vxge_hw_ring_replenish(ring); |
40a3a915 RV |
1570 | if (status != VXGE_HW_OK) |
1571 | goto exit; | |
1572 | } | |
1573 | exit: | |
1574 | return status; | |
1575 | } | |
1576 | ||
1577 | /* | |
1578 | * __vxge_hw_ring_delete - Removes the ring | |
1579 | * This function freeup the memory pool and removes the ring | |
1580 | */ | |
42821a5b | 1581 | static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp) |
40a3a915 RV |
1582 | { |
1583 | struct __vxge_hw_ring *ring = vp->vpath->ringh; | |
1584 | ||
1585 | __vxge_hw_ring_abort(ring); | |
1586 | ||
1587 | if (ring->mempool) | |
1588 | __vxge_hw_mempool_destroy(ring->mempool); | |
1589 | ||
1590 | vp->vpath->ringh = NULL; | |
1591 | __vxge_hw_channel_free(&ring->channel); | |
1592 | ||
1593 | return VXGE_HW_OK; | |
1594 | } | |
1595 | ||
1596 | /* | |
1597 | * __vxge_hw_mempool_grow | |
1598 | * Will resize mempool up to %num_allocate value. | |
1599 | */ | |
42821a5b | 1600 | static enum vxge_hw_status |
40a3a915 RV |
1601 | __vxge_hw_mempool_grow(struct vxge_hw_mempool *mempool, u32 num_allocate, |
1602 | u32 *num_allocated) | |
1603 | { | |
1604 | u32 i, first_time = mempool->memblocks_allocated == 0 ? 1 : 0; | |
1605 | u32 n_items = mempool->items_per_memblock; | |
1606 | u32 start_block_idx = mempool->memblocks_allocated; | |
1607 | u32 end_block_idx = mempool->memblocks_allocated + num_allocate; | |
1608 | enum vxge_hw_status status = VXGE_HW_OK; | |
1609 | ||
1610 | *num_allocated = 0; | |
1611 | ||
1612 | if (end_block_idx > mempool->memblocks_max) { | |
1613 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1614 | goto exit; | |
1615 | } | |
1616 | ||
1617 | for (i = start_block_idx; i < end_block_idx; i++) { | |
1618 | u32 j; | |
1619 | u32 is_last = ((end_block_idx - 1) == i); | |
1620 | struct vxge_hw_mempool_dma *dma_object = | |
1621 | mempool->memblocks_dma_arr + i; | |
1622 | void *the_memblock; | |
1623 | ||
1624 | /* allocate memblock's private part. Each DMA memblock | |
1625 | * has a space allocated for item's private usage upon | |
1626 | * mempool's user request. Each time mempool grows, it will | |
1627 | * allocate new memblock and its private part at once. | |
1628 | * This helps to minimize memory usage a lot. */ | |
1629 | mempool->memblocks_priv_arr[i] = | |
1630 | vmalloc(mempool->items_priv_size * n_items); | |
1631 | if (mempool->memblocks_priv_arr[i] == NULL) { | |
1632 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1633 | goto exit; | |
1634 | } | |
1635 | ||
1636 | memset(mempool->memblocks_priv_arr[i], 0, | |
1637 | mempool->items_priv_size * n_items); | |
1638 | ||
1639 | /* allocate DMA-capable memblock */ | |
1640 | mempool->memblocks_arr[i] = | |
1641 | __vxge_hw_blockpool_malloc(mempool->devh, | |
1642 | mempool->memblock_size, dma_object); | |
1643 | if (mempool->memblocks_arr[i] == NULL) { | |
1644 | vfree(mempool->memblocks_priv_arr[i]); | |
1645 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1646 | goto exit; | |
1647 | } | |
1648 | ||
1649 | (*num_allocated)++; | |
1650 | mempool->memblocks_allocated++; | |
1651 | ||
1652 | memset(mempool->memblocks_arr[i], 0, mempool->memblock_size); | |
1653 | ||
1654 | the_memblock = mempool->memblocks_arr[i]; | |
1655 | ||
1656 | /* fill the items hash array */ | |
1657 | for (j = 0; j < n_items; j++) { | |
1658 | u32 index = i * n_items + j; | |
1659 | ||
1660 | if (first_time && index >= mempool->items_initial) | |
1661 | break; | |
1662 | ||
1663 | mempool->items_arr[index] = | |
1664 | ((char *)the_memblock + j*mempool->item_size); | |
1665 | ||
1666 | /* let caller to do more job on each item */ | |
1667 | if (mempool->item_func_alloc != NULL) | |
1668 | mempool->item_func_alloc(mempool, i, | |
1669 | dma_object, index, is_last); | |
1670 | ||
1671 | mempool->items_current = index + 1; | |
1672 | } | |
1673 | ||
1674 | if (first_time && mempool->items_current == | |
1675 | mempool->items_initial) | |
1676 | break; | |
1677 | } | |
1678 | exit: | |
1679 | return status; | |
1680 | } | |
1681 | ||
1682 | /* | |
1683 | * vxge_hw_mempool_create | |
1684 | * This function will create memory pool object. Pool may grow but will | |
1685 | * never shrink. Pool consists of number of dynamically allocated blocks | |
1686 | * with size enough to hold %items_initial number of items. Memory is | |
1687 | * DMA-able but client must map/unmap before interoperating with the device. | |
1688 | */ | |
42821a5b | 1689 | static struct vxge_hw_mempool* |
40a3a915 RV |
1690 | __vxge_hw_mempool_create( |
1691 | struct __vxge_hw_device *devh, | |
1692 | u32 memblock_size, | |
1693 | u32 item_size, | |
1694 | u32 items_priv_size, | |
1695 | u32 items_initial, | |
1696 | u32 items_max, | |
1697 | struct vxge_hw_mempool_cbs *mp_callback, | |
1698 | void *userdata) | |
1699 | { | |
1700 | enum vxge_hw_status status = VXGE_HW_OK; | |
1701 | u32 memblocks_to_allocate; | |
1702 | struct vxge_hw_mempool *mempool = NULL; | |
1703 | u32 allocated; | |
1704 | ||
1705 | if (memblock_size < item_size) { | |
1706 | status = VXGE_HW_FAIL; | |
1707 | goto exit; | |
1708 | } | |
1709 | ||
1710 | mempool = (struct vxge_hw_mempool *) | |
1711 | vmalloc(sizeof(struct vxge_hw_mempool)); | |
1712 | if (mempool == NULL) { | |
1713 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1714 | goto exit; | |
1715 | } | |
1716 | memset(mempool, 0, sizeof(struct vxge_hw_mempool)); | |
1717 | ||
1718 | mempool->devh = devh; | |
1719 | mempool->memblock_size = memblock_size; | |
1720 | mempool->items_max = items_max; | |
1721 | mempool->items_initial = items_initial; | |
1722 | mempool->item_size = item_size; | |
1723 | mempool->items_priv_size = items_priv_size; | |
1724 | mempool->item_func_alloc = mp_callback->item_func_alloc; | |
1725 | mempool->userdata = userdata; | |
1726 | ||
1727 | mempool->memblocks_allocated = 0; | |
1728 | ||
1729 | mempool->items_per_memblock = memblock_size / item_size; | |
1730 | ||
1731 | mempool->memblocks_max = (items_max + mempool->items_per_memblock - 1) / | |
1732 | mempool->items_per_memblock; | |
1733 | ||
1734 | /* allocate array of memblocks */ | |
1735 | mempool->memblocks_arr = | |
1736 | (void **) vmalloc(sizeof(void *) * mempool->memblocks_max); | |
1737 | if (mempool->memblocks_arr == NULL) { | |
1738 | __vxge_hw_mempool_destroy(mempool); | |
1739 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1740 | mempool = NULL; | |
1741 | goto exit; | |
1742 | } | |
1743 | memset(mempool->memblocks_arr, 0, | |
1744 | sizeof(void *) * mempool->memblocks_max); | |
1745 | ||
1746 | /* allocate array of private parts of items per memblocks */ | |
1747 | mempool->memblocks_priv_arr = | |
1748 | (void **) vmalloc(sizeof(void *) * mempool->memblocks_max); | |
1749 | if (mempool->memblocks_priv_arr == NULL) { | |
1750 | __vxge_hw_mempool_destroy(mempool); | |
1751 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1752 | mempool = NULL; | |
1753 | goto exit; | |
1754 | } | |
1755 | memset(mempool->memblocks_priv_arr, 0, | |
1756 | sizeof(void *) * mempool->memblocks_max); | |
1757 | ||
1758 | /* allocate array of memblocks DMA objects */ | |
1759 | mempool->memblocks_dma_arr = (struct vxge_hw_mempool_dma *) | |
1760 | vmalloc(sizeof(struct vxge_hw_mempool_dma) * | |
1761 | mempool->memblocks_max); | |
1762 | ||
1763 | if (mempool->memblocks_dma_arr == NULL) { | |
1764 | __vxge_hw_mempool_destroy(mempool); | |
1765 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1766 | mempool = NULL; | |
1767 | goto exit; | |
1768 | } | |
1769 | memset(mempool->memblocks_dma_arr, 0, | |
1770 | sizeof(struct vxge_hw_mempool_dma) * | |
1771 | mempool->memblocks_max); | |
1772 | ||
1773 | /* allocate hash array of items */ | |
1774 | mempool->items_arr = | |
1775 | (void **) vmalloc(sizeof(void *) * mempool->items_max); | |
1776 | if (mempool->items_arr == NULL) { | |
1777 | __vxge_hw_mempool_destroy(mempool); | |
1778 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1779 | mempool = NULL; | |
1780 | goto exit; | |
1781 | } | |
1782 | memset(mempool->items_arr, 0, sizeof(void *) * mempool->items_max); | |
1783 | ||
1784 | /* calculate initial number of memblocks */ | |
1785 | memblocks_to_allocate = (mempool->items_initial + | |
1786 | mempool->items_per_memblock - 1) / | |
1787 | mempool->items_per_memblock; | |
1788 | ||
1789 | /* pre-allocate the mempool */ | |
1790 | status = __vxge_hw_mempool_grow(mempool, memblocks_to_allocate, | |
1791 | &allocated); | |
1792 | if (status != VXGE_HW_OK) { | |
1793 | __vxge_hw_mempool_destroy(mempool); | |
1794 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
1795 | mempool = NULL; | |
1796 | goto exit; | |
1797 | } | |
1798 | ||
1799 | exit: | |
1800 | return mempool; | |
1801 | } | |
1802 | ||
1803 | /* | |
1804 | * vxge_hw_mempool_destroy | |
1805 | */ | |
42821a5b | 1806 | static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool) |
40a3a915 RV |
1807 | { |
1808 | u32 i, j; | |
1809 | struct __vxge_hw_device *devh = mempool->devh; | |
1810 | ||
1811 | for (i = 0; i < mempool->memblocks_allocated; i++) { | |
1812 | struct vxge_hw_mempool_dma *dma_object; | |
1813 | ||
1814 | vxge_assert(mempool->memblocks_arr[i]); | |
1815 | vxge_assert(mempool->memblocks_dma_arr + i); | |
1816 | ||
1817 | dma_object = mempool->memblocks_dma_arr + i; | |
1818 | ||
1819 | for (j = 0; j < mempool->items_per_memblock; j++) { | |
1820 | u32 index = i * mempool->items_per_memblock + j; | |
1821 | ||
1822 | /* to skip last partially filled(if any) memblock */ | |
1823 | if (index >= mempool->items_current) | |
1824 | break; | |
1825 | } | |
1826 | ||
1827 | vfree(mempool->memblocks_priv_arr[i]); | |
1828 | ||
1829 | __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i], | |
1830 | mempool->memblock_size, dma_object); | |
1831 | } | |
1832 | ||
50d36a93 | 1833 | vfree(mempool->items_arr); |
40a3a915 | 1834 | |
50d36a93 | 1835 | vfree(mempool->memblocks_dma_arr); |
40a3a915 | 1836 | |
50d36a93 | 1837 | vfree(mempool->memblocks_priv_arr); |
40a3a915 | 1838 | |
50d36a93 | 1839 | vfree(mempool->memblocks_arr); |
40a3a915 RV |
1840 | |
1841 | vfree(mempool); | |
1842 | } | |
1843 | ||
1844 | /* | |
1845 | * __vxge_hw_device_fifo_config_check - Check fifo configuration. | |
1846 | * Check the fifo configuration | |
1847 | */ | |
1848 | enum vxge_hw_status | |
1849 | __vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config) | |
1850 | { | |
1851 | if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) || | |
1852 | (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS)) | |
1853 | return VXGE_HW_BADCFG_FIFO_BLOCKS; | |
1854 | ||
1855 | return VXGE_HW_OK; | |
1856 | } | |
1857 | ||
1858 | /* | |
1859 | * __vxge_hw_device_vpath_config_check - Check vpath configuration. | |
1860 | * Check the vpath configuration | |
1861 | */ | |
42821a5b | 1862 | static enum vxge_hw_status |
40a3a915 RV |
1863 | __vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config) |
1864 | { | |
1865 | enum vxge_hw_status status; | |
1866 | ||
1867 | if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) || | |
1868 | (vp_config->min_bandwidth > | |
1869 | VXGE_HW_VPATH_BANDWIDTH_MAX)) | |
1870 | return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH; | |
1871 | ||
1872 | status = __vxge_hw_device_fifo_config_check(&vp_config->fifo); | |
1873 | if (status != VXGE_HW_OK) | |
1874 | return status; | |
1875 | ||
1876 | if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) && | |
1877 | ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) || | |
1878 | (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU))) | |
1879 | return VXGE_HW_BADCFG_VPATH_MTU; | |
1880 | ||
1881 | if ((vp_config->rpa_strip_vlan_tag != | |
1882 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) && | |
1883 | (vp_config->rpa_strip_vlan_tag != | |
1884 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) && | |
1885 | (vp_config->rpa_strip_vlan_tag != | |
1886 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE)) | |
1887 | return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG; | |
1888 | ||
1889 | return VXGE_HW_OK; | |
1890 | } | |
1891 | ||
1892 | /* | |
1893 | * __vxge_hw_device_config_check - Check device configuration. | |
1894 | * Check the device configuration | |
1895 | */ | |
1896 | enum vxge_hw_status | |
1897 | __vxge_hw_device_config_check(struct vxge_hw_device_config *new_config) | |
1898 | { | |
1899 | u32 i; | |
1900 | enum vxge_hw_status status; | |
1901 | ||
1902 | if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) && | |
1903 | (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) && | |
1904 | (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) && | |
1905 | (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF)) | |
1906 | return VXGE_HW_BADCFG_INTR_MODE; | |
1907 | ||
1908 | if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) && | |
1909 | (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE)) | |
1910 | return VXGE_HW_BADCFG_RTS_MAC_EN; | |
1911 | ||
1912 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1913 | status = __vxge_hw_device_vpath_config_check( | |
1914 | &new_config->vp_config[i]); | |
1915 | if (status != VXGE_HW_OK) | |
1916 | return status; | |
1917 | } | |
1918 | ||
1919 | return VXGE_HW_OK; | |
1920 | } | |
1921 | ||
1922 | /* | |
1923 | * vxge_hw_device_config_default_get - Initialize device config with defaults. | |
1924 | * Initialize Titan device config with default values. | |
1925 | */ | |
1926 | enum vxge_hw_status __devinit | |
1927 | vxge_hw_device_config_default_get(struct vxge_hw_device_config *device_config) | |
1928 | { | |
1929 | u32 i; | |
1930 | ||
1931 | device_config->dma_blockpool_initial = | |
1932 | VXGE_HW_INITIAL_DMA_BLOCK_POOL_SIZE; | |
1933 | device_config->dma_blockpool_max = VXGE_HW_MAX_DMA_BLOCK_POOL_SIZE; | |
1934 | device_config->intr_mode = VXGE_HW_INTR_MODE_DEF; | |
1935 | device_config->rth_en = VXGE_HW_RTH_DEFAULT; | |
1936 | device_config->rth_it_type = VXGE_HW_RTH_IT_TYPE_DEFAULT; | |
1937 | device_config->device_poll_millis = VXGE_HW_DEF_DEVICE_POLL_MILLIS; | |
1938 | device_config->rts_mac_en = VXGE_HW_RTS_MAC_DEFAULT; | |
1939 | ||
1940 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
1941 | ||
1942 | device_config->vp_config[i].vp_id = i; | |
1943 | ||
1944 | device_config->vp_config[i].min_bandwidth = | |
1945 | VXGE_HW_VPATH_BANDWIDTH_DEFAULT; | |
1946 | ||
1947 | device_config->vp_config[i].ring.enable = VXGE_HW_RING_DEFAULT; | |
1948 | ||
1949 | device_config->vp_config[i].ring.ring_blocks = | |
1950 | VXGE_HW_DEF_RING_BLOCKS; | |
1951 | ||
1952 | device_config->vp_config[i].ring.buffer_mode = | |
1953 | VXGE_HW_RING_RXD_BUFFER_MODE_DEFAULT; | |
1954 | ||
1955 | device_config->vp_config[i].ring.scatter_mode = | |
1956 | VXGE_HW_RING_SCATTER_MODE_USE_FLASH_DEFAULT; | |
1957 | ||
1958 | device_config->vp_config[i].ring.rxds_limit = | |
1959 | VXGE_HW_DEF_RING_RXDS_LIMIT; | |
1960 | ||
1961 | device_config->vp_config[i].fifo.enable = VXGE_HW_FIFO_ENABLE; | |
1962 | ||
1963 | device_config->vp_config[i].fifo.fifo_blocks = | |
1964 | VXGE_HW_MIN_FIFO_BLOCKS; | |
1965 | ||
1966 | device_config->vp_config[i].fifo.max_frags = | |
1967 | VXGE_HW_MAX_FIFO_FRAGS; | |
1968 | ||
1969 | device_config->vp_config[i].fifo.memblock_size = | |
1970 | VXGE_HW_DEF_FIFO_MEMBLOCK_SIZE; | |
1971 | ||
1972 | device_config->vp_config[i].fifo.alignment_size = | |
1973 | VXGE_HW_DEF_FIFO_ALIGNMENT_SIZE; | |
1974 | ||
1975 | device_config->vp_config[i].fifo.intr = | |
1976 | VXGE_HW_FIFO_QUEUE_INTR_DEFAULT; | |
1977 | ||
1978 | device_config->vp_config[i].fifo.no_snoop_bits = | |
1979 | VXGE_HW_FIFO_NO_SNOOP_DEFAULT; | |
1980 | device_config->vp_config[i].tti.intr_enable = | |
1981 | VXGE_HW_TIM_INTR_DEFAULT; | |
1982 | ||
1983 | device_config->vp_config[i].tti.btimer_val = | |
1984 | VXGE_HW_USE_FLASH_DEFAULT; | |
1985 | ||
1986 | device_config->vp_config[i].tti.timer_ac_en = | |
1987 | VXGE_HW_USE_FLASH_DEFAULT; | |
1988 | ||
1989 | device_config->vp_config[i].tti.timer_ci_en = | |
1990 | VXGE_HW_USE_FLASH_DEFAULT; | |
1991 | ||
1992 | device_config->vp_config[i].tti.timer_ri_en = | |
1993 | VXGE_HW_USE_FLASH_DEFAULT; | |
1994 | ||
1995 | device_config->vp_config[i].tti.rtimer_val = | |
1996 | VXGE_HW_USE_FLASH_DEFAULT; | |
1997 | ||
1998 | device_config->vp_config[i].tti.util_sel = | |
1999 | VXGE_HW_USE_FLASH_DEFAULT; | |
2000 | ||
2001 | device_config->vp_config[i].tti.ltimer_val = | |
2002 | VXGE_HW_USE_FLASH_DEFAULT; | |
2003 | ||
2004 | device_config->vp_config[i].tti.urange_a = | |
2005 | VXGE_HW_USE_FLASH_DEFAULT; | |
2006 | ||
2007 | device_config->vp_config[i].tti.uec_a = | |
2008 | VXGE_HW_USE_FLASH_DEFAULT; | |
2009 | ||
2010 | device_config->vp_config[i].tti.urange_b = | |
2011 | VXGE_HW_USE_FLASH_DEFAULT; | |
2012 | ||
2013 | device_config->vp_config[i].tti.uec_b = | |
2014 | VXGE_HW_USE_FLASH_DEFAULT; | |
2015 | ||
2016 | device_config->vp_config[i].tti.urange_c = | |
2017 | VXGE_HW_USE_FLASH_DEFAULT; | |
2018 | ||
2019 | device_config->vp_config[i].tti.uec_c = | |
2020 | VXGE_HW_USE_FLASH_DEFAULT; | |
2021 | ||
2022 | device_config->vp_config[i].tti.uec_d = | |
2023 | VXGE_HW_USE_FLASH_DEFAULT; | |
2024 | ||
2025 | device_config->vp_config[i].rti.intr_enable = | |
2026 | VXGE_HW_TIM_INTR_DEFAULT; | |
2027 | ||
2028 | device_config->vp_config[i].rti.btimer_val = | |
2029 | VXGE_HW_USE_FLASH_DEFAULT; | |
2030 | ||
2031 | device_config->vp_config[i].rti.timer_ac_en = | |
2032 | VXGE_HW_USE_FLASH_DEFAULT; | |
2033 | ||
2034 | device_config->vp_config[i].rti.timer_ci_en = | |
2035 | VXGE_HW_USE_FLASH_DEFAULT; | |
2036 | ||
2037 | device_config->vp_config[i].rti.timer_ri_en = | |
2038 | VXGE_HW_USE_FLASH_DEFAULT; | |
2039 | ||
2040 | device_config->vp_config[i].rti.rtimer_val = | |
2041 | VXGE_HW_USE_FLASH_DEFAULT; | |
2042 | ||
2043 | device_config->vp_config[i].rti.util_sel = | |
2044 | VXGE_HW_USE_FLASH_DEFAULT; | |
2045 | ||
2046 | device_config->vp_config[i].rti.ltimer_val = | |
2047 | VXGE_HW_USE_FLASH_DEFAULT; | |
2048 | ||
2049 | device_config->vp_config[i].rti.urange_a = | |
2050 | VXGE_HW_USE_FLASH_DEFAULT; | |
2051 | ||
2052 | device_config->vp_config[i].rti.uec_a = | |
2053 | VXGE_HW_USE_FLASH_DEFAULT; | |
2054 | ||
2055 | device_config->vp_config[i].rti.urange_b = | |
2056 | VXGE_HW_USE_FLASH_DEFAULT; | |
2057 | ||
2058 | device_config->vp_config[i].rti.uec_b = | |
2059 | VXGE_HW_USE_FLASH_DEFAULT; | |
2060 | ||
2061 | device_config->vp_config[i].rti.urange_c = | |
2062 | VXGE_HW_USE_FLASH_DEFAULT; | |
2063 | ||
2064 | device_config->vp_config[i].rti.uec_c = | |
2065 | VXGE_HW_USE_FLASH_DEFAULT; | |
2066 | ||
2067 | device_config->vp_config[i].rti.uec_d = | |
2068 | VXGE_HW_USE_FLASH_DEFAULT; | |
2069 | ||
2070 | device_config->vp_config[i].mtu = | |
2071 | VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU; | |
2072 | ||
2073 | device_config->vp_config[i].rpa_strip_vlan_tag = | |
2074 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT; | |
2075 | } | |
2076 | ||
2077 | return VXGE_HW_OK; | |
2078 | } | |
2079 | ||
2080 | /* | |
2081 | * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion. | |
2082 | * Set the swapper bits appropriately for the lagacy section. | |
2083 | */ | |
42821a5b | 2084 | static enum vxge_hw_status |
40a3a915 RV |
2085 | __vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg) |
2086 | { | |
2087 | u64 val64; | |
2088 | enum vxge_hw_status status = VXGE_HW_OK; | |
2089 | ||
2090 | val64 = readq(&legacy_reg->toc_swapper_fb); | |
2091 | ||
2092 | wmb(); | |
2093 | ||
2094 | switch (val64) { | |
2095 | ||
2096 | case VXGE_HW_SWAPPER_INITIAL_VALUE: | |
2097 | return status; | |
2098 | ||
2099 | case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED: | |
2100 | writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, | |
2101 | &legacy_reg->pifm_rd_swap_en); | |
2102 | writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, | |
2103 | &legacy_reg->pifm_rd_flip_en); | |
2104 | writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, | |
2105 | &legacy_reg->pifm_wr_swap_en); | |
2106 | writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, | |
2107 | &legacy_reg->pifm_wr_flip_en); | |
2108 | break; | |
2109 | ||
2110 | case VXGE_HW_SWAPPER_BYTE_SWAPPED: | |
2111 | writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, | |
2112 | &legacy_reg->pifm_rd_swap_en); | |
2113 | writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, | |
2114 | &legacy_reg->pifm_wr_swap_en); | |
2115 | break; | |
2116 | ||
2117 | case VXGE_HW_SWAPPER_BIT_FLIPPED: | |
2118 | writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, | |
2119 | &legacy_reg->pifm_rd_flip_en); | |
2120 | writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, | |
2121 | &legacy_reg->pifm_wr_flip_en); | |
2122 | break; | |
2123 | } | |
2124 | ||
2125 | wmb(); | |
2126 | ||
2127 | val64 = readq(&legacy_reg->toc_swapper_fb); | |
2128 | ||
2129 | if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE) | |
2130 | status = VXGE_HW_ERR_SWAPPER_CTRL; | |
2131 | ||
2132 | return status; | |
2133 | } | |
2134 | ||
2135 | /* | |
2136 | * __vxge_hw_vpath_swapper_set - Set the swapper bits for the vpath. | |
2137 | * Set the swapper bits appropriately for the vpath. | |
2138 | */ | |
42821a5b | 2139 | static enum vxge_hw_status |
40a3a915 RV |
2140 | __vxge_hw_vpath_swapper_set(struct vxge_hw_vpath_reg __iomem *vpath_reg) |
2141 | { | |
2142 | #ifndef __BIG_ENDIAN | |
2143 | u64 val64; | |
2144 | ||
2145 | val64 = readq(&vpath_reg->vpath_general_cfg1); | |
2146 | wmb(); | |
2147 | val64 |= VXGE_HW_VPATH_GENERAL_CFG1_CTL_BYTE_SWAPEN; | |
2148 | writeq(val64, &vpath_reg->vpath_general_cfg1); | |
2149 | wmb(); | |
2150 | #endif | |
2151 | return VXGE_HW_OK; | |
2152 | } | |
2153 | ||
2154 | /* | |
2155 | * __vxge_hw_kdfc_swapper_set - Set the swapper bits for the kdfc. | |
2156 | * Set the swapper bits appropriately for the vpath. | |
2157 | */ | |
42821a5b | 2158 | static enum vxge_hw_status |
40a3a915 RV |
2159 | __vxge_hw_kdfc_swapper_set( |
2160 | struct vxge_hw_legacy_reg __iomem *legacy_reg, | |
2161 | struct vxge_hw_vpath_reg __iomem *vpath_reg) | |
2162 | { | |
2163 | u64 val64; | |
2164 | ||
2165 | val64 = readq(&legacy_reg->pifm_wr_swap_en); | |
2166 | ||
2167 | if (val64 == VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE) { | |
2168 | val64 = readq(&vpath_reg->kdfcctl_cfg0); | |
2169 | wmb(); | |
2170 | ||
2171 | val64 |= VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO0 | | |
2172 | VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO1 | | |
2173 | VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO2; | |
2174 | ||
2175 | writeq(val64, &vpath_reg->kdfcctl_cfg0); | |
2176 | wmb(); | |
2177 | } | |
2178 | ||
2179 | return VXGE_HW_OK; | |
2180 | } | |
2181 | ||
40a3a915 RV |
2182 | /* |
2183 | * vxge_hw_mgmt_reg_read - Read Titan register. | |
2184 | */ | |
2185 | enum vxge_hw_status | |
2186 | vxge_hw_mgmt_reg_read(struct __vxge_hw_device *hldev, | |
2187 | enum vxge_hw_mgmt_reg_type type, | |
2188 | u32 index, u32 offset, u64 *value) | |
2189 | { | |
2190 | enum vxge_hw_status status = VXGE_HW_OK; | |
2191 | ||
2192 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
2193 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
2194 | goto exit; | |
2195 | } | |
2196 | ||
2197 | switch (type) { | |
2198 | case vxge_hw_mgmt_reg_type_legacy: | |
2199 | if (offset > sizeof(struct vxge_hw_legacy_reg) - 8) { | |
2200 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2201 | break; | |
2202 | } | |
2203 | *value = readq((void __iomem *)hldev->legacy_reg + offset); | |
2204 | break; | |
2205 | case vxge_hw_mgmt_reg_type_toc: | |
2206 | if (offset > sizeof(struct vxge_hw_toc_reg) - 8) { | |
2207 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2208 | break; | |
2209 | } | |
2210 | *value = readq((void __iomem *)hldev->toc_reg + offset); | |
2211 | break; | |
2212 | case vxge_hw_mgmt_reg_type_common: | |
2213 | if (offset > sizeof(struct vxge_hw_common_reg) - 8) { | |
2214 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2215 | break; | |
2216 | } | |
2217 | *value = readq((void __iomem *)hldev->common_reg + offset); | |
2218 | break; | |
2219 | case vxge_hw_mgmt_reg_type_mrpcim: | |
2220 | if (!(hldev->access_rights & | |
2221 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
2222 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2223 | break; | |
2224 | } | |
2225 | if (offset > sizeof(struct vxge_hw_mrpcim_reg) - 8) { | |
2226 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2227 | break; | |
2228 | } | |
2229 | *value = readq((void __iomem *)hldev->mrpcim_reg + offset); | |
2230 | break; | |
2231 | case vxge_hw_mgmt_reg_type_srpcim: | |
2232 | if (!(hldev->access_rights & | |
2233 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM)) { | |
2234 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2235 | break; | |
2236 | } | |
2237 | if (index > VXGE_HW_TITAN_SRPCIM_REG_SPACES - 1) { | |
2238 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2239 | break; | |
2240 | } | |
2241 | if (offset > sizeof(struct vxge_hw_srpcim_reg) - 8) { | |
2242 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2243 | break; | |
2244 | } | |
2245 | *value = readq((void __iomem *)hldev->srpcim_reg[index] + | |
2246 | offset); | |
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 | *value = readq((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 (index > VXGE_HW_TITAN_VPATH_REG_SPACES - 1) { | |
2268 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2269 | break; | |
2270 | } | |
2271 | if (offset > sizeof(struct vxge_hw_vpath_reg) - 8) { | |
2272 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2273 | break; | |
2274 | } | |
2275 | *value = readq((void __iomem *)hldev->vpath_reg[index] + | |
2276 | offset); | |
2277 | break; | |
2278 | default: | |
2279 | status = VXGE_HW_ERR_INVALID_TYPE; | |
2280 | break; | |
2281 | } | |
2282 | ||
2283 | exit: | |
2284 | return status; | |
2285 | } | |
2286 | ||
fa41fd10 SH |
2287 | /* |
2288 | * vxge_hw_vpath_strip_fcs_check - Check for FCS strip. | |
2289 | */ | |
2290 | enum vxge_hw_status | |
2291 | vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask) | |
2292 | { | |
2293 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg; | |
2294 | enum vxge_hw_status status = VXGE_HW_OK; | |
2295 | int i = 0, j = 0; | |
2296 | ||
2297 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
2298 | if (!((vpath_mask) & vxge_mBIT(i))) | |
2299 | continue; | |
2300 | vpmgmt_reg = hldev->vpmgmt_reg[i]; | |
2301 | for (j = 0; j < VXGE_HW_MAC_MAX_MAC_PORT_ID; j++) { | |
2302 | if (readq(&vpmgmt_reg->rxmac_cfg0_port_vpmgmt_clone[j]) | |
2303 | & VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_STRIP_FCS) | |
2304 | return VXGE_HW_FAIL; | |
2305 | } | |
2306 | } | |
2307 | return status; | |
2308 | } | |
40a3a915 RV |
2309 | /* |
2310 | * vxge_hw_mgmt_reg_Write - Write Titan register. | |
2311 | */ | |
2312 | enum vxge_hw_status | |
2313 | vxge_hw_mgmt_reg_write(struct __vxge_hw_device *hldev, | |
2314 | enum vxge_hw_mgmt_reg_type type, | |
2315 | u32 index, u32 offset, u64 value) | |
2316 | { | |
2317 | enum vxge_hw_status status = VXGE_HW_OK; | |
2318 | ||
2319 | if ((hldev == NULL) || (hldev->magic != VXGE_HW_DEVICE_MAGIC)) { | |
2320 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
2321 | goto exit; | |
2322 | } | |
2323 | ||
2324 | switch (type) { | |
2325 | case vxge_hw_mgmt_reg_type_legacy: | |
2326 | if (offset > sizeof(struct vxge_hw_legacy_reg) - 8) { | |
2327 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2328 | break; | |
2329 | } | |
2330 | writeq(value, (void __iomem *)hldev->legacy_reg + offset); | |
2331 | break; | |
2332 | case vxge_hw_mgmt_reg_type_toc: | |
2333 | if (offset > sizeof(struct vxge_hw_toc_reg) - 8) { | |
2334 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2335 | break; | |
2336 | } | |
2337 | writeq(value, (void __iomem *)hldev->toc_reg + offset); | |
2338 | break; | |
2339 | case vxge_hw_mgmt_reg_type_common: | |
2340 | if (offset > sizeof(struct vxge_hw_common_reg) - 8) { | |
2341 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2342 | break; | |
2343 | } | |
2344 | writeq(value, (void __iomem *)hldev->common_reg + offset); | |
2345 | break; | |
2346 | case vxge_hw_mgmt_reg_type_mrpcim: | |
2347 | if (!(hldev->access_rights & | |
2348 | VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) { | |
2349 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2350 | break; | |
2351 | } | |
2352 | if (offset > sizeof(struct vxge_hw_mrpcim_reg) - 8) { | |
2353 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2354 | break; | |
2355 | } | |
2356 | writeq(value, (void __iomem *)hldev->mrpcim_reg + offset); | |
2357 | break; | |
2358 | case vxge_hw_mgmt_reg_type_srpcim: | |
2359 | if (!(hldev->access_rights & | |
2360 | VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM)) { | |
2361 | status = VXGE_HW_ERR_PRIVILAGED_OPEARATION; | |
2362 | break; | |
2363 | } | |
2364 | if (index > VXGE_HW_TITAN_SRPCIM_REG_SPACES - 1) { | |
2365 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2366 | break; | |
2367 | } | |
2368 | if (offset > sizeof(struct vxge_hw_srpcim_reg) - 8) { | |
2369 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2370 | break; | |
2371 | } | |
2372 | writeq(value, (void __iomem *)hldev->srpcim_reg[index] + | |
2373 | offset); | |
2374 | ||
2375 | break; | |
2376 | case vxge_hw_mgmt_reg_type_vpmgmt: | |
2377 | if ((index > VXGE_HW_TITAN_VPMGMT_REG_SPACES - 1) || | |
2378 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
2379 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2380 | break; | |
2381 | } | |
2382 | if (offset > sizeof(struct vxge_hw_vpmgmt_reg) - 8) { | |
2383 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2384 | break; | |
2385 | } | |
2386 | writeq(value, (void __iomem *)hldev->vpmgmt_reg[index] + | |
2387 | offset); | |
2388 | break; | |
2389 | case vxge_hw_mgmt_reg_type_vpath: | |
2390 | if ((index > VXGE_HW_TITAN_VPATH_REG_SPACES-1) || | |
2391 | (!(hldev->vpath_assignments & vxge_mBIT(index)))) { | |
2392 | status = VXGE_HW_ERR_INVALID_INDEX; | |
2393 | break; | |
2394 | } | |
2395 | if (offset > sizeof(struct vxge_hw_vpath_reg) - 8) { | |
2396 | status = VXGE_HW_ERR_INVALID_OFFSET; | |
2397 | break; | |
2398 | } | |
2399 | writeq(value, (void __iomem *)hldev->vpath_reg[index] + | |
2400 | offset); | |
2401 | break; | |
2402 | default: | |
2403 | status = VXGE_HW_ERR_INVALID_TYPE; | |
2404 | break; | |
2405 | } | |
2406 | exit: | |
2407 | return status; | |
2408 | } | |
2409 | ||
2410 | /* | |
2411 | * __vxge_hw_fifo_mempool_item_alloc - Allocate List blocks for TxD | |
2412 | * list callback | |
2413 | * This function is callback passed to __vxge_hw_mempool_create to create memory | |
2414 | * pool for TxD list | |
2415 | */ | |
2416 | static void | |
2417 | __vxge_hw_fifo_mempool_item_alloc( | |
2418 | struct vxge_hw_mempool *mempoolh, | |
2419 | u32 memblock_index, struct vxge_hw_mempool_dma *dma_object, | |
2420 | u32 index, u32 is_last) | |
2421 | { | |
2422 | u32 memblock_item_idx; | |
2423 | struct __vxge_hw_fifo_txdl_priv *txdl_priv; | |
2424 | struct vxge_hw_fifo_txd *txdp = | |
2425 | (struct vxge_hw_fifo_txd *)mempoolh->items_arr[index]; | |
2426 | struct __vxge_hw_fifo *fifo = | |
2427 | (struct __vxge_hw_fifo *)mempoolh->userdata; | |
2428 | void *memblock = mempoolh->memblocks_arr[memblock_index]; | |
2429 | ||
2430 | vxge_assert(txdp); | |
2431 | ||
2432 | txdp->host_control = (u64) (size_t) | |
2433 | __vxge_hw_mempool_item_priv(mempoolh, memblock_index, txdp, | |
2434 | &memblock_item_idx); | |
2435 | ||
2436 | txdl_priv = __vxge_hw_fifo_txdl_priv(fifo, txdp); | |
2437 | ||
2438 | vxge_assert(txdl_priv); | |
2439 | ||
2440 | fifo->channel.reserve_arr[fifo->channel.reserve_ptr - 1 - index] = txdp; | |
2441 | ||
2442 | /* pre-format HW's TxDL's private */ | |
2443 | txdl_priv->dma_offset = (char *)txdp - (char *)memblock; | |
2444 | txdl_priv->dma_addr = dma_object->addr + txdl_priv->dma_offset; | |
2445 | txdl_priv->dma_handle = dma_object->handle; | |
2446 | txdl_priv->memblock = memblock; | |
2447 | txdl_priv->first_txdp = txdp; | |
2448 | txdl_priv->next_txdl_priv = NULL; | |
2449 | txdl_priv->alloc_frags = 0; | |
40a3a915 RV |
2450 | } |
2451 | ||
2452 | /* | |
2453 | * __vxge_hw_fifo_create - Create a FIFO | |
2454 | * This function creates FIFO and initializes it. | |
2455 | */ | |
2456 | enum vxge_hw_status | |
2457 | __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, | |
2458 | struct vxge_hw_fifo_attr *attr) | |
2459 | { | |
2460 | enum vxge_hw_status status = VXGE_HW_OK; | |
2461 | struct __vxge_hw_fifo *fifo; | |
2462 | struct vxge_hw_fifo_config *config; | |
2463 | u32 txdl_size, txdl_per_memblock; | |
2464 | struct vxge_hw_mempool_cbs fifo_mp_callback; | |
2465 | struct __vxge_hw_virtualpath *vpath; | |
2466 | ||
2467 | if ((vp == NULL) || (attr == NULL)) { | |
2468 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
2469 | goto exit; | |
2470 | } | |
2471 | vpath = vp->vpath; | |
2472 | config = &vpath->hldev->config.vp_config[vpath->vp_id].fifo; | |
2473 | ||
2474 | txdl_size = config->max_frags * sizeof(struct vxge_hw_fifo_txd); | |
2475 | ||
2476 | txdl_per_memblock = config->memblock_size / txdl_size; | |
2477 | ||
2478 | fifo = (struct __vxge_hw_fifo *)__vxge_hw_channel_allocate(vp, | |
2479 | VXGE_HW_CHANNEL_TYPE_FIFO, | |
2480 | config->fifo_blocks * txdl_per_memblock, | |
2481 | attr->per_txdl_space, attr->userdata); | |
2482 | ||
2483 | if (fifo == NULL) { | |
2484 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2485 | goto exit; | |
2486 | } | |
2487 | ||
2488 | vpath->fifoh = fifo; | |
2489 | fifo->nofl_db = vpath->nofl_db; | |
2490 | ||
2491 | fifo->vp_id = vpath->vp_id; | |
2492 | fifo->vp_reg = vpath->vp_reg; | |
2493 | fifo->stats = &vpath->sw_stats->fifo_stats; | |
2494 | ||
2495 | fifo->config = config; | |
2496 | ||
2497 | /* apply "interrupts per txdl" attribute */ | |
2498 | fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_UTILZ; | |
2499 | ||
2500 | if (fifo->config->intr) | |
2501 | fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_PER_LIST; | |
2502 | ||
2503 | fifo->no_snoop_bits = config->no_snoop_bits; | |
2504 | ||
2505 | /* | |
2506 | * FIFO memory management strategy: | |
2507 | * | |
2508 | * TxDL split into three independent parts: | |
2509 | * - set of TxD's | |
2510 | * - TxD HW private part | |
2511 | * - driver private part | |
2512 | * | |
2513 | * Adaptative memory allocation used. i.e. Memory allocated on | |
2514 | * demand with the size which will fit into one memory block. | |
2515 | * One memory block may contain more than one TxDL. | |
2516 | * | |
2517 | * During "reserve" operations more memory can be allocated on demand | |
2518 | * for example due to FIFO full condition. | |
2519 | * | |
2520 | * Pool of memory memblocks never shrinks except in __vxge_hw_fifo_close | |
2521 | * routine which will essentially stop the channel and free resources. | |
2522 | */ | |
2523 | ||
2524 | /* TxDL common private size == TxDL private + driver private */ | |
2525 | fifo->priv_size = | |
2526 | sizeof(struct __vxge_hw_fifo_txdl_priv) + attr->per_txdl_space; | |
2527 | fifo->priv_size = ((fifo->priv_size + VXGE_CACHE_LINE_SIZE - 1) / | |
2528 | VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; | |
2529 | ||
2530 | fifo->per_txdl_space = attr->per_txdl_space; | |
2531 | ||
2532 | /* recompute txdl size to be cacheline aligned */ | |
2533 | fifo->txdl_size = txdl_size; | |
2534 | fifo->txdl_per_memblock = txdl_per_memblock; | |
2535 | ||
2536 | fifo->txdl_term = attr->txdl_term; | |
2537 | fifo->callback = attr->callback; | |
2538 | ||
2539 | if (fifo->txdl_per_memblock == 0) { | |
2540 | __vxge_hw_fifo_delete(vp); | |
2541 | status = VXGE_HW_ERR_INVALID_BLOCK_SIZE; | |
2542 | goto exit; | |
2543 | } | |
2544 | ||
2545 | fifo_mp_callback.item_func_alloc = __vxge_hw_fifo_mempool_item_alloc; | |
2546 | ||
2547 | fifo->mempool = | |
2548 | __vxge_hw_mempool_create(vpath->hldev, | |
2549 | fifo->config->memblock_size, | |
2550 | fifo->txdl_size, | |
2551 | fifo->priv_size, | |
2552 | (fifo->config->fifo_blocks * fifo->txdl_per_memblock), | |
2553 | (fifo->config->fifo_blocks * fifo->txdl_per_memblock), | |
2554 | &fifo_mp_callback, | |
2555 | fifo); | |
2556 | ||
2557 | if (fifo->mempool == NULL) { | |
2558 | __vxge_hw_fifo_delete(vp); | |
2559 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
2560 | goto exit; | |
2561 | } | |
2562 | ||
2563 | status = __vxge_hw_channel_initialize(&fifo->channel); | |
2564 | if (status != VXGE_HW_OK) { | |
2565 | __vxge_hw_fifo_delete(vp); | |
2566 | goto exit; | |
2567 | } | |
2568 | ||
2569 | vxge_assert(fifo->channel.reserve_ptr); | |
2570 | exit: | |
2571 | return status; | |
2572 | } | |
2573 | ||
2574 | /* | |
2575 | * __vxge_hw_fifo_abort - Returns the TxD | |
2576 | * This function terminates the TxDs of fifo | |
2577 | */ | |
42821a5b | 2578 | static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo) |
40a3a915 RV |
2579 | { |
2580 | void *txdlh; | |
2581 | ||
2582 | for (;;) { | |
2583 | vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh); | |
2584 | ||
2585 | if (txdlh == NULL) | |
2586 | break; | |
2587 | ||
2588 | vxge_hw_channel_dtr_complete(&fifo->channel); | |
2589 | ||
2590 | if (fifo->txdl_term) { | |
2591 | fifo->txdl_term(txdlh, | |
2592 | VXGE_HW_TXDL_STATE_POSTED, | |
2593 | fifo->channel.userdata); | |
2594 | } | |
2595 | ||
2596 | vxge_hw_channel_dtr_free(&fifo->channel, txdlh); | |
2597 | } | |
2598 | ||
2599 | return VXGE_HW_OK; | |
2600 | } | |
2601 | ||
2602 | /* | |
2603 | * __vxge_hw_fifo_reset - Resets the fifo | |
2604 | * This function resets the fifo during vpath reset operation | |
2605 | */ | |
42821a5b | 2606 | static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo) |
40a3a915 RV |
2607 | { |
2608 | enum vxge_hw_status status = VXGE_HW_OK; | |
2609 | ||
2610 | __vxge_hw_fifo_abort(fifo); | |
2611 | status = __vxge_hw_channel_reset(&fifo->channel); | |
2612 | ||
2613 | return status; | |
2614 | } | |
2615 | ||
2616 | /* | |
2617 | * __vxge_hw_fifo_delete - Removes the FIFO | |
2618 | * This function freeup the memory pool and removes the FIFO | |
2619 | */ | |
2620 | enum vxge_hw_status __vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp) | |
2621 | { | |
2622 | struct __vxge_hw_fifo *fifo = vp->vpath->fifoh; | |
2623 | ||
2624 | __vxge_hw_fifo_abort(fifo); | |
2625 | ||
2626 | if (fifo->mempool) | |
2627 | __vxge_hw_mempool_destroy(fifo->mempool); | |
2628 | ||
2629 | vp->vpath->fifoh = NULL; | |
2630 | ||
2631 | __vxge_hw_channel_free(&fifo->channel); | |
2632 | ||
2633 | return VXGE_HW_OK; | |
2634 | } | |
2635 | ||
2636 | /* | |
2637 | * __vxge_hw_vpath_pci_read - Read the content of given address | |
2638 | * in pci config space. | |
2639 | * Read from the vpath pci config space. | |
2640 | */ | |
42821a5b | 2641 | static enum vxge_hw_status |
40a3a915 RV |
2642 | __vxge_hw_vpath_pci_read(struct __vxge_hw_virtualpath *vpath, |
2643 | u32 phy_func_0, u32 offset, u32 *val) | |
2644 | { | |
2645 | u64 val64; | |
2646 | enum vxge_hw_status status = VXGE_HW_OK; | |
2647 | struct vxge_hw_vpath_reg __iomem *vp_reg = vpath->vp_reg; | |
2648 | ||
2649 | val64 = VXGE_HW_PCI_CONFIG_ACCESS_CFG1_ADDRESS(offset); | |
2650 | ||
2651 | if (phy_func_0) | |
2652 | val64 |= VXGE_HW_PCI_CONFIG_ACCESS_CFG1_SEL_FUNC0; | |
2653 | ||
2654 | writeq(val64, &vp_reg->pci_config_access_cfg1); | |
2655 | wmb(); | |
2656 | writeq(VXGE_HW_PCI_CONFIG_ACCESS_CFG2_REQ, | |
2657 | &vp_reg->pci_config_access_cfg2); | |
2658 | wmb(); | |
2659 | ||
2660 | status = __vxge_hw_device_register_poll( | |
2661 | &vp_reg->pci_config_access_cfg2, | |
2662 | VXGE_HW_INTR_MASK_ALL, VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2663 | ||
2664 | if (status != VXGE_HW_OK) | |
2665 | goto exit; | |
2666 | ||
2667 | val64 = readq(&vp_reg->pci_config_access_status); | |
2668 | ||
2669 | if (val64 & VXGE_HW_PCI_CONFIG_ACCESS_STATUS_ACCESS_ERR) { | |
2670 | status = VXGE_HW_FAIL; | |
2671 | *val = 0; | |
2672 | } else | |
2673 | *val = (u32)vxge_bVALn(val64, 32, 32); | |
2674 | exit: | |
2675 | return status; | |
2676 | } | |
2677 | ||
2678 | /* | |
2679 | * __vxge_hw_vpath_func_id_get - Get the function id of the vpath. | |
2680 | * Returns the function number of the vpath. | |
2681 | */ | |
42821a5b | 2682 | static u32 |
40a3a915 RV |
2683 | __vxge_hw_vpath_func_id_get(u32 vp_id, |
2684 | struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg) | |
2685 | { | |
2686 | u64 val64; | |
2687 | ||
2688 | val64 = readq(&vpmgmt_reg->vpath_to_func_map_cfg1); | |
2689 | ||
2690 | return | |
2691 | (u32)VXGE_HW_VPATH_TO_FUNC_MAP_CFG1_GET_VPATH_TO_FUNC_MAP_CFG1(val64); | |
2692 | } | |
2693 | ||
2694 | /* | |
2695 | * __vxge_hw_read_rts_ds - Program RTS steering critieria | |
2696 | */ | |
2697 | static inline void | |
2698 | __vxge_hw_read_rts_ds(struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
2699 | u64 dta_struct_sel) | |
2700 | { | |
2701 | writeq(0, &vpath_reg->rts_access_steer_ctrl); | |
2702 | wmb(); | |
2703 | writeq(dta_struct_sel, &vpath_reg->rts_access_steer_data0); | |
2704 | writeq(0, &vpath_reg->rts_access_steer_data1); | |
2705 | wmb(); | |
40a3a915 RV |
2706 | } |
2707 | ||
2708 | ||
2709 | /* | |
2710 | * __vxge_hw_vpath_card_info_get - Get the serial numbers, | |
2711 | * part number and product description. | |
2712 | */ | |
42821a5b | 2713 | static enum vxge_hw_status |
40a3a915 RV |
2714 | __vxge_hw_vpath_card_info_get( |
2715 | u32 vp_id, | |
2716 | struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
2717 | struct vxge_hw_device_hw_info *hw_info) | |
2718 | { | |
2719 | u32 i, j; | |
2720 | u64 val64; | |
2721 | u64 data1 = 0ULL; | |
2722 | u64 data2 = 0ULL; | |
2723 | enum vxge_hw_status status = VXGE_HW_OK; | |
2724 | u8 *serial_number = hw_info->serial_number; | |
2725 | u8 *part_number = hw_info->part_number; | |
2726 | u8 *product_desc = hw_info->product_desc; | |
2727 | ||
2728 | __vxge_hw_read_rts_ds(vpath_reg, | |
2729 | VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_SERIAL_NUMBER); | |
2730 | ||
2731 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2732 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2733 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2734 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2735 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2736 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2737 | ||
2738 | status = __vxge_hw_pio_mem_write64(val64, | |
2739 | &vpath_reg->rts_access_steer_ctrl, | |
2740 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2741 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2742 | ||
2743 | if (status != VXGE_HW_OK) | |
2744 | return status; | |
2745 | ||
2746 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2747 | ||
2748 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2749 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2750 | ((u64 *)serial_number)[0] = be64_to_cpu(data1); | |
2751 | ||
2752 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2753 | ((u64 *)serial_number)[1] = be64_to_cpu(data2); | |
2754 | status = VXGE_HW_OK; | |
2755 | } else | |
2756 | *serial_number = 0; | |
2757 | ||
2758 | __vxge_hw_read_rts_ds(vpath_reg, | |
2759 | VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PART_NUMBER); | |
2760 | ||
2761 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2762 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2763 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2764 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2765 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2766 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2767 | ||
2768 | status = __vxge_hw_pio_mem_write64(val64, | |
2769 | &vpath_reg->rts_access_steer_ctrl, | |
2770 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2771 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2772 | ||
2773 | if (status != VXGE_HW_OK) | |
2774 | return status; | |
2775 | ||
2776 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2777 | ||
2778 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2779 | ||
2780 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2781 | ((u64 *)part_number)[0] = be64_to_cpu(data1); | |
2782 | ||
2783 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2784 | ((u64 *)part_number)[1] = be64_to_cpu(data2); | |
2785 | ||
2786 | status = VXGE_HW_OK; | |
2787 | ||
2788 | } else | |
2789 | *part_number = 0; | |
2790 | ||
2791 | j = 0; | |
2792 | ||
2793 | for (i = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_0; | |
2794 | i <= VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_3; i++) { | |
2795 | ||
2796 | __vxge_hw_read_rts_ds(vpath_reg, i); | |
2797 | ||
2798 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2799 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2800 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2801 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2802 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2803 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2804 | ||
2805 | status = __vxge_hw_pio_mem_write64(val64, | |
2806 | &vpath_reg->rts_access_steer_ctrl, | |
2807 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2808 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2809 | ||
2810 | if (status != VXGE_HW_OK) | |
2811 | return status; | |
2812 | ||
2813 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2814 | ||
2815 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2816 | ||
2817 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2818 | ((u64 *)product_desc)[j++] = be64_to_cpu(data1); | |
2819 | ||
2820 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2821 | ((u64 *)product_desc)[j++] = be64_to_cpu(data2); | |
2822 | ||
2823 | status = VXGE_HW_OK; | |
2824 | } else | |
2825 | *product_desc = 0; | |
2826 | } | |
2827 | ||
2828 | return status; | |
2829 | } | |
2830 | ||
2831 | /* | |
2832 | * __vxge_hw_vpath_fw_ver_get - Get the fw version | |
2833 | * Returns FW Version | |
2834 | */ | |
42821a5b | 2835 | static enum vxge_hw_status |
40a3a915 RV |
2836 | __vxge_hw_vpath_fw_ver_get( |
2837 | u32 vp_id, | |
2838 | struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
2839 | struct vxge_hw_device_hw_info *hw_info) | |
2840 | { | |
2841 | u64 val64; | |
2842 | u64 data1 = 0ULL; | |
2843 | u64 data2 = 0ULL; | |
2844 | struct vxge_hw_device_version *fw_version = &hw_info->fw_version; | |
2845 | struct vxge_hw_device_date *fw_date = &hw_info->fw_date; | |
2846 | struct vxge_hw_device_version *flash_version = &hw_info->flash_version; | |
2847 | struct vxge_hw_device_date *flash_date = &hw_info->flash_date; | |
2848 | enum vxge_hw_status status = VXGE_HW_OK; | |
2849 | ||
2850 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2851 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY) | | |
2852 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2853 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2854 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2855 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2856 | ||
2857 | status = __vxge_hw_pio_mem_write64(val64, | |
2858 | &vpath_reg->rts_access_steer_ctrl, | |
2859 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2860 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2861 | ||
2862 | if (status != VXGE_HW_OK) | |
2863 | goto exit; | |
2864 | ||
2865 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2866 | ||
2867 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2868 | ||
2869 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2870 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
2871 | ||
2872 | fw_date->day = | |
2873 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_DAY( | |
2874 | data1); | |
2875 | fw_date->month = | |
2876 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MONTH( | |
2877 | data1); | |
2878 | fw_date->year = | |
2879 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_YEAR( | |
2880 | data1); | |
2881 | ||
2882 | snprintf(fw_date->date, VXGE_HW_FW_STRLEN, "%2.2d/%2.2d/%4.4d", | |
2883 | fw_date->month, fw_date->day, fw_date->year); | |
2884 | ||
2885 | fw_version->major = | |
2886 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MAJOR(data1); | |
2887 | fw_version->minor = | |
2888 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MINOR(data1); | |
2889 | fw_version->build = | |
2890 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_BUILD(data1); | |
2891 | ||
2892 | snprintf(fw_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d", | |
2893 | fw_version->major, fw_version->minor, fw_version->build); | |
2894 | ||
2895 | flash_date->day = | |
2896 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_DAY(data2); | |
2897 | flash_date->month = | |
2898 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MONTH(data2); | |
2899 | flash_date->year = | |
2900 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_YEAR(data2); | |
2901 | ||
2902 | snprintf(flash_date->date, VXGE_HW_FW_STRLEN, | |
2903 | "%2.2d/%2.2d/%4.4d", | |
2904 | flash_date->month, flash_date->day, flash_date->year); | |
2905 | ||
2906 | flash_version->major = | |
2907 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MAJOR(data2); | |
2908 | flash_version->minor = | |
2909 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MINOR(data2); | |
2910 | flash_version->build = | |
2911 | (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_BUILD(data2); | |
2912 | ||
2913 | snprintf(flash_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d", | |
2914 | flash_version->major, flash_version->minor, | |
2915 | flash_version->build); | |
2916 | ||
2917 | status = VXGE_HW_OK; | |
2918 | ||
2919 | } else | |
2920 | status = VXGE_HW_FAIL; | |
2921 | exit: | |
2922 | return status; | |
2923 | } | |
2924 | ||
2925 | /* | |
2926 | * __vxge_hw_vpath_pci_func_mode_get - Get the pci mode | |
2927 | * Returns pci function mode | |
2928 | */ | |
42821a5b | 2929 | static u64 |
40a3a915 RV |
2930 | __vxge_hw_vpath_pci_func_mode_get( |
2931 | u32 vp_id, | |
2932 | struct vxge_hw_vpath_reg __iomem *vpath_reg) | |
2933 | { | |
2934 | u64 val64; | |
2935 | u64 data1 = 0ULL; | |
2936 | enum vxge_hw_status status = VXGE_HW_OK; | |
2937 | ||
2938 | __vxge_hw_read_rts_ds(vpath_reg, | |
2939 | VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PCI_MODE); | |
2940 | ||
2941 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2942 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) | | |
2943 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
2944 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
2945 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
2946 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
2947 | ||
2948 | status = __vxge_hw_pio_mem_write64(val64, | |
2949 | &vpath_reg->rts_access_steer_ctrl, | |
2950 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
2951 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
2952 | ||
2953 | if (status != VXGE_HW_OK) | |
2954 | goto exit; | |
2955 | ||
2956 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
2957 | ||
2958 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
2959 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
2960 | status = VXGE_HW_OK; | |
2961 | } else { | |
2962 | data1 = 0; | |
2963 | status = VXGE_HW_FAIL; | |
2964 | } | |
2965 | exit: | |
2966 | return data1; | |
2967 | } | |
2968 | ||
2969 | /** | |
2970 | * vxge_hw_device_flick_link_led - Flick (blink) link LED. | |
2971 | * @hldev: HW device. | |
2972 | * @on_off: TRUE if flickering to be on, FALSE to be off | |
2973 | * | |
2974 | * Flicker the link LED. | |
2975 | */ | |
2976 | enum vxge_hw_status | |
2977 | vxge_hw_device_flick_link_led(struct __vxge_hw_device *hldev, | |
2978 | u64 on_off) | |
2979 | { | |
2980 | u64 val64; | |
2981 | enum vxge_hw_status status = VXGE_HW_OK; | |
2982 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
2983 | ||
2984 | if (hldev == NULL) { | |
2985 | status = VXGE_HW_ERR_INVALID_DEVICE; | |
2986 | goto exit; | |
2987 | } | |
2988 | ||
2989 | vp_reg = hldev->vpath_reg[hldev->first_vp_id]; | |
2990 | ||
2991 | writeq(0, &vp_reg->rts_access_steer_ctrl); | |
2992 | wmb(); | |
2993 | writeq(on_off, &vp_reg->rts_access_steer_data0); | |
2994 | writeq(0, &vp_reg->rts_access_steer_data1); | |
2995 | wmb(); | |
2996 | ||
2997 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
2998 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LED_CONTROL) | | |
2999 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
3000 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) | | |
3001 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
3002 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
3003 | ||
3004 | status = __vxge_hw_pio_mem_write64(val64, | |
3005 | &vp_reg->rts_access_steer_ctrl, | |
3006 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
3007 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
3008 | exit: | |
3009 | return status; | |
3010 | } | |
3011 | ||
3012 | /* | |
3013 | * __vxge_hw_vpath_rts_table_get - Get the entries from RTS access tables | |
3014 | */ | |
3015 | enum vxge_hw_status | |
3016 | __vxge_hw_vpath_rts_table_get( | |
3017 | struct __vxge_hw_vpath_handle *vp, | |
3018 | u32 action, u32 rts_table, u32 offset, u64 *data1, u64 *data2) | |
3019 | { | |
3020 | u64 val64; | |
3021 | struct __vxge_hw_virtualpath *vpath; | |
3022 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3023 | ||
3024 | enum vxge_hw_status status = VXGE_HW_OK; | |
3025 | ||
3026 | if (vp == NULL) { | |
3027 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3028 | goto exit; | |
3029 | } | |
3030 | ||
3031 | vpath = vp->vpath; | |
3032 | vp_reg = vpath->vp_reg; | |
3033 | ||
3034 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) | | |
3035 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(rts_table) | | |
3036 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
3037 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset); | |
3038 | ||
3039 | if ((rts_table == | |
3040 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT) || | |
3041 | (rts_table == | |
3042 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT) || | |
3043 | (rts_table == | |
3044 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MASK) || | |
3045 | (rts_table == | |
3046 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_KEY)) { | |
3047 | val64 = val64 | VXGE_HW_RTS_ACCESS_STEER_CTRL_TABLE_SEL; | |
3048 | } | |
3049 | ||
3050 | status = __vxge_hw_pio_mem_write64(val64, | |
3051 | &vp_reg->rts_access_steer_ctrl, | |
3052 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
3053 | vpath->hldev->config.device_poll_millis); | |
3054 | ||
3055 | if (status != VXGE_HW_OK) | |
3056 | goto exit; | |
3057 | ||
3058 | val64 = readq(&vp_reg->rts_access_steer_ctrl); | |
3059 | ||
3060 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
3061 | ||
3062 | *data1 = readq(&vp_reg->rts_access_steer_data0); | |
3063 | ||
3064 | if ((rts_table == | |
3065 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) || | |
3066 | (rts_table == | |
3067 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) { | |
3068 | *data2 = readq(&vp_reg->rts_access_steer_data1); | |
3069 | } | |
3070 | status = VXGE_HW_OK; | |
3071 | } else | |
3072 | status = VXGE_HW_FAIL; | |
3073 | exit: | |
3074 | return status; | |
3075 | } | |
3076 | ||
3077 | /* | |
3078 | * __vxge_hw_vpath_rts_table_set - Set the entries of RTS access tables | |
3079 | */ | |
3080 | enum vxge_hw_status | |
3081 | __vxge_hw_vpath_rts_table_set( | |
3082 | struct __vxge_hw_vpath_handle *vp, u32 action, u32 rts_table, | |
3083 | u32 offset, u64 data1, u64 data2) | |
3084 | { | |
3085 | u64 val64; | |
3086 | struct __vxge_hw_virtualpath *vpath; | |
3087 | enum vxge_hw_status status = VXGE_HW_OK; | |
3088 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3089 | ||
3090 | if (vp == NULL) { | |
3091 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3092 | goto exit; | |
3093 | } | |
3094 | ||
3095 | vpath = vp->vpath; | |
3096 | vp_reg = vpath->vp_reg; | |
3097 | ||
3098 | writeq(data1, &vp_reg->rts_access_steer_data0); | |
3099 | wmb(); | |
3100 | ||
3101 | if ((rts_table == VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) || | |
3102 | (rts_table == | |
3103 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) { | |
3104 | writeq(data2, &vp_reg->rts_access_steer_data1); | |
3105 | wmb(); | |
3106 | } | |
3107 | ||
3108 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) | | |
3109 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(rts_table) | | |
3110 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
3111 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset); | |
3112 | ||
3113 | status = __vxge_hw_pio_mem_write64(val64, | |
3114 | &vp_reg->rts_access_steer_ctrl, | |
3115 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
3116 | vpath->hldev->config.device_poll_millis); | |
3117 | ||
3118 | if (status != VXGE_HW_OK) | |
3119 | goto exit; | |
3120 | ||
3121 | val64 = readq(&vp_reg->rts_access_steer_ctrl); | |
3122 | ||
3123 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) | |
3124 | status = VXGE_HW_OK; | |
3125 | else | |
3126 | status = VXGE_HW_FAIL; | |
3127 | exit: | |
3128 | return status; | |
3129 | } | |
3130 | ||
3131 | /* | |
3132 | * __vxge_hw_vpath_addr_get - Get the hw address entry for this vpath | |
3133 | * from MAC address table. | |
3134 | */ | |
42821a5b | 3135 | static enum vxge_hw_status |
40a3a915 RV |
3136 | __vxge_hw_vpath_addr_get( |
3137 | u32 vp_id, struct vxge_hw_vpath_reg __iomem *vpath_reg, | |
3138 | u8 (macaddr)[ETH_ALEN], u8 (macaddr_mask)[ETH_ALEN]) | |
3139 | { | |
3140 | u32 i; | |
3141 | u64 val64; | |
3142 | u64 data1 = 0ULL; | |
3143 | u64 data2 = 0ULL; | |
3144 | enum vxge_hw_status status = VXGE_HW_OK; | |
3145 | ||
3146 | val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION( | |
3147 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_FIRST_ENTRY) | | |
3148 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL( | |
3149 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) | | |
3150 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE | | |
3151 | VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0); | |
3152 | ||
3153 | status = __vxge_hw_pio_mem_write64(val64, | |
3154 | &vpath_reg->rts_access_steer_ctrl, | |
3155 | VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE, | |
3156 | VXGE_HW_DEF_DEVICE_POLL_MILLIS); | |
3157 | ||
3158 | if (status != VXGE_HW_OK) | |
3159 | goto exit; | |
3160 | ||
3161 | val64 = readq(&vpath_reg->rts_access_steer_ctrl); | |
3162 | ||
3163 | if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) { | |
3164 | ||
3165 | data1 = readq(&vpath_reg->rts_access_steer_data0); | |
3166 | data2 = readq(&vpath_reg->rts_access_steer_data1); | |
3167 | ||
3168 | data1 = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_DA_MAC_ADDR(data1); | |
3169 | data2 = VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_DA_MAC_ADDR_MASK( | |
3170 | data2); | |
3171 | ||
3172 | for (i = ETH_ALEN; i > 0; i--) { | |
3173 | macaddr[i-1] = (u8)(data1 & 0xFF); | |
3174 | data1 >>= 8; | |
3175 | ||
3176 | macaddr_mask[i-1] = (u8)(data2 & 0xFF); | |
3177 | data2 >>= 8; | |
3178 | } | |
3179 | status = VXGE_HW_OK; | |
3180 | } else | |
3181 | status = VXGE_HW_FAIL; | |
3182 | exit: | |
3183 | return status; | |
3184 | } | |
3185 | ||
3186 | /* | |
3187 | * vxge_hw_vpath_rts_rth_set - Set/configure RTS hashing. | |
3188 | */ | |
3189 | enum vxge_hw_status vxge_hw_vpath_rts_rth_set( | |
3190 | struct __vxge_hw_vpath_handle *vp, | |
3191 | enum vxge_hw_rth_algoritms algorithm, | |
3192 | struct vxge_hw_rth_hash_types *hash_type, | |
3193 | u16 bucket_size) | |
3194 | { | |
3195 | u64 data0, data1; | |
3196 | enum vxge_hw_status status = VXGE_HW_OK; | |
3197 | ||
3198 | if (vp == NULL) { | |
3199 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3200 | goto exit; | |
3201 | } | |
3202 | ||
3203 | status = __vxge_hw_vpath_rts_table_get(vp, | |
3204 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY, | |
3205 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_GEN_CFG, | |
3206 | 0, &data0, &data1); | |
3207 | ||
3208 | data0 &= ~(VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_BUCKET_SIZE(0xf) | | |
3209 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ALG_SEL(0x3)); | |
3210 | ||
3211 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_EN | | |
3212 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_BUCKET_SIZE(bucket_size) | | |
3213 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ALG_SEL(algorithm); | |
3214 | ||
3215 | if (hash_type->hash_type_tcpipv4_en) | |
3216 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV4_EN; | |
3217 | ||
3218 | if (hash_type->hash_type_ipv4_en) | |
3219 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV4_EN; | |
3220 | ||
3221 | if (hash_type->hash_type_tcpipv6_en) | |
3222 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV6_EN; | |
3223 | ||
3224 | if (hash_type->hash_type_ipv6_en) | |
3225 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV6_EN; | |
3226 | ||
3227 | if (hash_type->hash_type_tcpipv6ex_en) | |
3228 | data0 |= | |
3229 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_TCP_IPV6_EX_EN; | |
3230 | ||
3231 | if (hash_type->hash_type_ipv6ex_en) | |
3232 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_RTH_IPV6_EX_EN; | |
3233 | ||
3234 | if (VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_RTH_GEN_ACTIVE_TABLE(data0)) | |
3235 | data0 &= ~VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ACTIVE_TABLE; | |
3236 | else | |
3237 | data0 |= VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ACTIVE_TABLE; | |
3238 | ||
3239 | status = __vxge_hw_vpath_rts_table_set(vp, | |
3240 | VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY, | |
3241 | VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_GEN_CFG, | |
3242 | 0, data0, 0); | |
3243 | exit: | |
3244 | return status; | |
3245 | } | |
3246 | ||
3247 | static void | |
3248 | vxge_hw_rts_rth_data0_data1_get(u32 j, u64 *data0, u64 *data1, | |
3249 | u16 flag, u8 *itable) | |
3250 | { | |
3251 | switch (flag) { | |
3252 | case 1: | |
3253 | *data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_BUCKET_NUM(j)| | |
3254 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_ENTRY_EN | | |
3255 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM0_BUCKET_DATA( | |
3256 | itable[j]); | |
3257 | case 2: | |
3258 | *data0 |= | |
3259 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_NUM(j)| | |
3260 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_ENTRY_EN | | |
3261 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_ITEM1_BUCKET_DATA( | |
3262 | itable[j]); | |
3263 | case 3: | |
3264 | *data1 = VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_NUM(j)| | |
3265 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_ENTRY_EN | | |
3266 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM0_BUCKET_DATA( | |
3267 | itable[j]); | |
3268 | case 4: | |
3269 | *data1 |= | |
3270 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_BUCKET_NUM(j)| | |
3271 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_ENTRY_EN | | |
3272 | VXGE_HW_RTS_ACCESS_STEER_DATA1_RTH_ITEM1_BUCKET_DATA( | |
3273 | itable[j]); | |
3274 | default: | |
3275 | return; | |
3276 | } | |
3277 | } | |
3278 | /* | |
3279 | * vxge_hw_vpath_rts_rth_itable_set - Set/configure indirection table (IT). | |
3280 | */ | |
3281 | enum vxge_hw_status vxge_hw_vpath_rts_rth_itable_set( | |
3282 | struct __vxge_hw_vpath_handle **vpath_handles, | |
3283 | u32 vpath_count, | |
3284 | u8 *mtable, | |
3285 | u8 *itable, | |
3286 | u32 itable_size) | |
3287 | { | |
3288 | u32 i, j, action, rts_table; | |
3289 | u64 data0; | |
3290 | u64 data1; | |
3291 | u32 max_entries; | |
3292 | enum vxge_hw_status status = VXGE_HW_OK; | |
3293 | struct __vxge_hw_vpath_handle *vp = vpath_handles[0]; | |
3294 | ||
3295 | if (vp == NULL) { | |
3296 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
3297 | goto exit; | |
3298 | } | |
3299 | ||
3300 | max_entries = (((u32)1) << itable_size); | |
3301 | ||
3302 | if (vp->vpath->hldev->config.rth_it_type | |
3303 | == VXGE_HW_RTH_IT_TYPE_SOLO_IT) { | |
3304 | action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY; | |
3305 | rts_table = | |
3306 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT; | |
3307 | ||
3308 | for (j = 0; j < max_entries; j++) { | |
3309 | ||
3310 | data1 = 0; | |
3311 | ||
3312 | data0 = | |
3313 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_BUCKET_DATA( | |
3314 | itable[j]); | |
3315 | ||
3316 | status = __vxge_hw_vpath_rts_table_set(vpath_handles[0], | |
3317 | action, rts_table, j, data0, data1); | |
3318 | ||
3319 | if (status != VXGE_HW_OK) | |
3320 | goto exit; | |
3321 | } | |
3322 | ||
3323 | for (j = 0; j < max_entries; j++) { | |
3324 | ||
3325 | data1 = 0; | |
3326 | ||
3327 | data0 = | |
3328 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_ENTRY_EN | | |
3329 | VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_SOLO_IT_BUCKET_DATA( | |
3330 | itable[j]); | |
3331 | ||
3332 | status = __vxge_hw_vpath_rts_table_set( | |
3333 | vpath_handles[mtable[itable[j]]], action, | |
3334 | rts_table, j, data0, data1); | |
3335 | ||
3336 | if (status != VXGE_HW_OK) | |
3337 | goto exit; | |
3338 | } | |
3339 | } else { | |
3340 | action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_WRITE_ENTRY; | |
3341 | rts_table = | |
3342 | VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT; | |
3343 | for (i = 0; i < vpath_count; i++) { | |
3344 | ||
3345 | for (j = 0; j < max_entries;) { | |
3346 | ||
3347 | data0 = 0; | |
3348 | data1 = 0; | |
3349 | ||
3350 | while (j < max_entries) { | |
3351 | if (mtable[itable[j]] != i) { | |
3352 | j++; | |
3353 | continue; | |
3354 | } | |
3355 | vxge_hw_rts_rth_data0_data1_get(j, | |
3356 | &data0, &data1, 1, itable); | |
3357 | j++; | |
3358 | break; | |
3359 | } | |
3360 | ||
3361 | while (j < max_entries) { | |
3362 | if (mtable[itable[j]] != i) { | |
3363 | j++; | |
3364 | continue; | |
3365 | } | |
3366 | vxge_hw_rts_rth_data0_data1_get(j, | |
3367 | &data0, &data1, 2, itable); | |
3368 | j++; | |
3369 | break; | |
3370 | } | |
3371 | ||
3372 | while (j < max_entries) { | |
3373 | if (mtable[itable[j]] != i) { | |
3374 | j++; | |
3375 | continue; | |
3376 | } | |
3377 | vxge_hw_rts_rth_data0_data1_get(j, | |
3378 | &data0, &data1, 3, itable); | |
3379 | j++; | |
3380 | break; | |
3381 | } | |
3382 | ||
3383 | while (j < max_entries) { | |
3384 | if (mtable[itable[j]] != i) { | |
3385 | j++; | |
3386 | continue; | |
3387 | } | |
3388 | vxge_hw_rts_rth_data0_data1_get(j, | |
3389 | &data0, &data1, 4, itable); | |
3390 | j++; | |
3391 | break; | |
3392 | } | |
3393 | ||
3394 | if (data0 != 0) { | |
3395 | status = __vxge_hw_vpath_rts_table_set( | |
3396 | vpath_handles[i], | |
3397 | action, rts_table, | |
3398 | 0, data0, data1); | |
3399 | ||
3400 | if (status != VXGE_HW_OK) | |
3401 | goto exit; | |
3402 | } | |
3403 | } | |
3404 | } | |
3405 | } | |
3406 | exit: | |
3407 | return status; | |
3408 | } | |
3409 | ||
3410 | /** | |
3411 | * vxge_hw_vpath_check_leak - Check for memory leak | |
3412 | * @ringh: Handle to the ring object used for receive | |
3413 | * | |
3414 | * If PRC_RXD_DOORBELL_VPn.NEW_QW_CNT is larger or equal to | |
3415 | * PRC_CFG6_VPn.RXD_SPAT then a leak has occurred. | |
3416 | * Returns: VXGE_HW_FAIL, if leak has occurred. | |
3417 | * | |
3418 | */ | |
3419 | enum vxge_hw_status | |
3420 | vxge_hw_vpath_check_leak(struct __vxge_hw_ring *ring) | |
3421 | { | |
3422 | enum vxge_hw_status status = VXGE_HW_OK; | |
3423 | u64 rxd_new_count, rxd_spat; | |
3424 | ||
3425 | if (ring == NULL) | |
3426 | return status; | |
3427 | ||
3428 | rxd_new_count = readl(&ring->vp_reg->prc_rxd_doorbell); | |
3429 | rxd_spat = readq(&ring->vp_reg->prc_cfg6); | |
3430 | rxd_spat = VXGE_HW_PRC_CFG6_RXD_SPAT(rxd_spat); | |
3431 | ||
3432 | if (rxd_new_count >= rxd_spat) | |
3433 | status = VXGE_HW_FAIL; | |
3434 | ||
3435 | return status; | |
3436 | } | |
3437 | ||
3438 | /* | |
3439 | * __vxge_hw_vpath_mgmt_read | |
3440 | * This routine reads the vpath_mgmt registers | |
3441 | */ | |
3442 | static enum vxge_hw_status | |
3443 | __vxge_hw_vpath_mgmt_read( | |
3444 | struct __vxge_hw_device *hldev, | |
3445 | struct __vxge_hw_virtualpath *vpath) | |
3446 | { | |
3447 | u32 i, mtu = 0, max_pyld = 0; | |
3448 | u64 val64; | |
3449 | enum vxge_hw_status status = VXGE_HW_OK; | |
3450 | ||
3451 | for (i = 0; i < VXGE_HW_MAC_MAX_MAC_PORT_ID; i++) { | |
3452 | ||
3453 | val64 = readq(&vpath->vpmgmt_reg-> | |
3454 | rxmac_cfg0_port_vpmgmt_clone[i]); | |
3455 | max_pyld = | |
3456 | (u32) | |
3457 | VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_GET_MAX_PYLD_LEN | |
3458 | (val64); | |
3459 | if (mtu < max_pyld) | |
3460 | mtu = max_pyld; | |
3461 | } | |
3462 | ||
3463 | vpath->max_mtu = mtu + VXGE_HW_MAC_HEADER_MAX_SIZE; | |
3464 | ||
3465 | val64 = readq(&vpath->vpmgmt_reg->xmac_vsport_choices_vp); | |
3466 | ||
3467 | for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { | |
3468 | if (val64 & vxge_mBIT(i)) | |
3469 | vpath->vsport_number = i; | |
3470 | } | |
3471 | ||
3472 | val64 = readq(&vpath->vpmgmt_reg->xgmac_gen_status_vpmgmt_clone); | |
3473 | ||
3474 | if (val64 & VXGE_HW_XGMAC_GEN_STATUS_VPMGMT_CLONE_XMACJ_NTWK_OK) | |
3475 | VXGE_HW_DEVICE_LINK_STATE_SET(vpath->hldev, VXGE_HW_LINK_UP); | |
3476 | else | |
3477 | VXGE_HW_DEVICE_LINK_STATE_SET(vpath->hldev, VXGE_HW_LINK_DOWN); | |
3478 | ||
3479 | return status; | |
3480 | } | |
3481 | ||
3482 | /* | |
3483 | * __vxge_hw_vpath_reset_check - Check if resetting the vpath completed | |
3484 | * This routine checks the vpath_rst_in_prog register to see if | |
3485 | * adapter completed the reset process for the vpath | |
3486 | */ | |
42821a5b | 3487 | static enum vxge_hw_status |
40a3a915 RV |
3488 | __vxge_hw_vpath_reset_check(struct __vxge_hw_virtualpath *vpath) |
3489 | { | |
3490 | enum vxge_hw_status status; | |
3491 | ||
3492 | status = __vxge_hw_device_register_poll( | |
3493 | &vpath->hldev->common_reg->vpath_rst_in_prog, | |
3494 | VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG( | |
3495 | 1 << (16 - vpath->vp_id)), | |
3496 | vpath->hldev->config.device_poll_millis); | |
3497 | ||
3498 | return status; | |
3499 | } | |
3500 | ||
3501 | /* | |
3502 | * __vxge_hw_vpath_reset | |
3503 | * This routine resets the vpath on the device | |
3504 | */ | |
42821a5b | 3505 | static enum vxge_hw_status |
40a3a915 RV |
3506 | __vxge_hw_vpath_reset(struct __vxge_hw_device *hldev, u32 vp_id) |
3507 | { | |
3508 | u64 val64; | |
3509 | enum vxge_hw_status status = VXGE_HW_OK; | |
3510 | ||
3511 | val64 = VXGE_HW_CMN_RSTHDLR_CFG0_SW_RESET_VPATH(1 << (16 - vp_id)); | |
3512 | ||
3513 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), | |
3514 | &hldev->common_reg->cmn_rsthdlr_cfg0); | |
3515 | ||
3516 | return status; | |
3517 | } | |
3518 | ||
3519 | /* | |
3520 | * __vxge_hw_vpath_sw_reset | |
3521 | * This routine resets the vpath structures | |
3522 | */ | |
42821a5b | 3523 | static enum vxge_hw_status |
40a3a915 RV |
3524 | __vxge_hw_vpath_sw_reset(struct __vxge_hw_device *hldev, u32 vp_id) |
3525 | { | |
3526 | enum vxge_hw_status status = VXGE_HW_OK; | |
3527 | struct __vxge_hw_virtualpath *vpath; | |
3528 | ||
3529 | vpath = (struct __vxge_hw_virtualpath *)&hldev->virtual_paths[vp_id]; | |
3530 | ||
3531 | if (vpath->ringh) { | |
3532 | status = __vxge_hw_ring_reset(vpath->ringh); | |
3533 | if (status != VXGE_HW_OK) | |
3534 | goto exit; | |
3535 | } | |
3536 | ||
3537 | if (vpath->fifoh) | |
3538 | status = __vxge_hw_fifo_reset(vpath->fifoh); | |
3539 | exit: | |
3540 | return status; | |
3541 | } | |
3542 | ||
3543 | /* | |
3544 | * __vxge_hw_vpath_prc_configure | |
3545 | * This routine configures the prc registers of virtual path using the config | |
3546 | * passed | |
3547 | */ | |
42821a5b | 3548 | static void |
40a3a915 RV |
3549 | __vxge_hw_vpath_prc_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
3550 | { | |
3551 | u64 val64; | |
3552 | struct __vxge_hw_virtualpath *vpath; | |
3553 | struct vxge_hw_vp_config *vp_config; | |
3554 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3555 | ||
3556 | vpath = &hldev->virtual_paths[vp_id]; | |
3557 | vp_reg = vpath->vp_reg; | |
3558 | vp_config = vpath->vp_config; | |
3559 | ||
3560 | if (vp_config->ring.enable == VXGE_HW_RING_DISABLE) | |
3561 | return; | |
3562 | ||
3563 | val64 = readq(&vp_reg->prc_cfg1); | |
3564 | val64 |= VXGE_HW_PRC_CFG1_RTI_TINT_DISABLE; | |
3565 | writeq(val64, &vp_reg->prc_cfg1); | |
3566 | ||
3567 | val64 = readq(&vpath->vp_reg->prc_cfg6); | |
3568 | val64 |= VXGE_HW_PRC_CFG6_DOORBELL_MODE_EN; | |
3569 | writeq(val64, &vpath->vp_reg->prc_cfg6); | |
3570 | ||
3571 | val64 = readq(&vp_reg->prc_cfg7); | |
3572 | ||
3573 | if (vpath->vp_config->ring.scatter_mode != | |
3574 | VXGE_HW_RING_SCATTER_MODE_USE_FLASH_DEFAULT) { | |
3575 | ||
3576 | val64 &= ~VXGE_HW_PRC_CFG7_SCATTER_MODE(0x3); | |
3577 | ||
3578 | switch (vpath->vp_config->ring.scatter_mode) { | |
3579 | case VXGE_HW_RING_SCATTER_MODE_A: | |
3580 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
3581 | VXGE_HW_PRC_CFG7_SCATTER_MODE_A); | |
3582 | break; | |
3583 | case VXGE_HW_RING_SCATTER_MODE_B: | |
3584 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
3585 | VXGE_HW_PRC_CFG7_SCATTER_MODE_B); | |
3586 | break; | |
3587 | case VXGE_HW_RING_SCATTER_MODE_C: | |
3588 | val64 |= VXGE_HW_PRC_CFG7_SCATTER_MODE( | |
3589 | VXGE_HW_PRC_CFG7_SCATTER_MODE_C); | |
3590 | break; | |
3591 | } | |
3592 | } | |
3593 | ||
3594 | writeq(val64, &vp_reg->prc_cfg7); | |
3595 | ||
3596 | writeq(VXGE_HW_PRC_CFG5_RXD0_ADD( | |
3597 | __vxge_hw_ring_first_block_address_get( | |
3598 | vpath->ringh) >> 3), &vp_reg->prc_cfg5); | |
3599 | ||
3600 | val64 = readq(&vp_reg->prc_cfg4); | |
3601 | val64 |= VXGE_HW_PRC_CFG4_IN_SVC; | |
3602 | val64 &= ~VXGE_HW_PRC_CFG4_RING_MODE(0x3); | |
3603 | ||
3604 | val64 |= VXGE_HW_PRC_CFG4_RING_MODE( | |
3605 | VXGE_HW_PRC_CFG4_RING_MODE_ONE_BUFFER); | |
3606 | ||
3607 | if (hldev->config.rth_en == VXGE_HW_RTH_DISABLE) | |
3608 | val64 |= VXGE_HW_PRC_CFG4_RTH_DISABLE; | |
3609 | else | |
3610 | val64 &= ~VXGE_HW_PRC_CFG4_RTH_DISABLE; | |
3611 | ||
3612 | writeq(val64, &vp_reg->prc_cfg4); | |
40a3a915 RV |
3613 | } |
3614 | ||
3615 | /* | |
3616 | * __vxge_hw_vpath_kdfc_configure | |
3617 | * This routine configures the kdfc registers of virtual path using the | |
3618 | * config passed | |
3619 | */ | |
42821a5b | 3620 | static enum vxge_hw_status |
40a3a915 RV |
3621 | __vxge_hw_vpath_kdfc_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
3622 | { | |
3623 | u64 val64; | |
3624 | u64 vpath_stride; | |
3625 | enum vxge_hw_status status = VXGE_HW_OK; | |
3626 | struct __vxge_hw_virtualpath *vpath; | |
3627 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3628 | ||
3629 | vpath = &hldev->virtual_paths[vp_id]; | |
3630 | vp_reg = vpath->vp_reg; | |
3631 | status = __vxge_hw_kdfc_swapper_set(hldev->legacy_reg, vp_reg); | |
3632 | ||
3633 | if (status != VXGE_HW_OK) | |
3634 | goto exit; | |
3635 | ||
3636 | val64 = readq(&vp_reg->kdfc_drbl_triplet_total); | |
3637 | ||
3638 | vpath->max_kdfc_db = | |
3639 | (u32)VXGE_HW_KDFC_DRBL_TRIPLET_TOTAL_GET_KDFC_MAX_SIZE( | |
3640 | val64+1)/2; | |
3641 | ||
3642 | if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
3643 | ||
3644 | vpath->max_nofl_db = vpath->max_kdfc_db; | |
3645 | ||
3646 | if (vpath->max_nofl_db < | |
3647 | ((vpath->vp_config->fifo.memblock_size / | |
3648 | (vpath->vp_config->fifo.max_frags * | |
3649 | sizeof(struct vxge_hw_fifo_txd))) * | |
3650 | vpath->vp_config->fifo.fifo_blocks)) { | |
3651 | ||
3652 | return VXGE_HW_BADCFG_FIFO_BLOCKS; | |
3653 | } | |
3654 | val64 = VXGE_HW_KDFC_FIFO_TRPL_PARTITION_LENGTH_0( | |
3655 | (vpath->max_nofl_db*2)-1); | |
3656 | } | |
3657 | ||
3658 | writeq(val64, &vp_reg->kdfc_fifo_trpl_partition); | |
3659 | ||
3660 | writeq(VXGE_HW_KDFC_FIFO_TRPL_CTRL_TRIPLET_ENABLE, | |
3661 | &vp_reg->kdfc_fifo_trpl_ctrl); | |
3662 | ||
3663 | val64 = readq(&vp_reg->kdfc_trpl_fifo_0_ctrl); | |
3664 | ||
3665 | val64 &= ~(VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE(0x3) | | |
3666 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SELECT(0xFF)); | |
3667 | ||
3668 | val64 |= VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE( | |
3669 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_MODE_NON_OFFLOAD_ONLY) | | |
3670 | #ifndef __BIG_ENDIAN | |
3671 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SWAP_EN | | |
3672 | #endif | |
3673 | VXGE_HW_KDFC_TRPL_FIFO_0_CTRL_SELECT(0); | |
3674 | ||
3675 | writeq(val64, &vp_reg->kdfc_trpl_fifo_0_ctrl); | |
3676 | writeq((u64)0, &vp_reg->kdfc_trpl_fifo_0_wb_address); | |
3677 | wmb(); | |
3678 | vpath_stride = readq(&hldev->toc_reg->toc_kdfc_vpath_stride); | |
3679 | ||
3680 | vpath->nofl_db = | |
3681 | (struct __vxge_hw_non_offload_db_wrapper __iomem *) | |
3682 | (hldev->kdfc + (vp_id * | |
3683 | VXGE_HW_TOC_KDFC_VPATH_STRIDE_GET_TOC_KDFC_VPATH_STRIDE( | |
3684 | vpath_stride))); | |
3685 | exit: | |
3686 | return status; | |
3687 | } | |
3688 | ||
3689 | /* | |
3690 | * __vxge_hw_vpath_mac_configure | |
3691 | * This routine configures the mac of virtual path using the config passed | |
3692 | */ | |
42821a5b | 3693 | static enum vxge_hw_status |
40a3a915 RV |
3694 | __vxge_hw_vpath_mac_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
3695 | { | |
3696 | u64 val64; | |
3697 | enum vxge_hw_status status = VXGE_HW_OK; | |
3698 | struct __vxge_hw_virtualpath *vpath; | |
3699 | struct vxge_hw_vp_config *vp_config; | |
3700 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3701 | ||
3702 | vpath = &hldev->virtual_paths[vp_id]; | |
3703 | vp_reg = vpath->vp_reg; | |
3704 | vp_config = vpath->vp_config; | |
3705 | ||
3706 | writeq(VXGE_HW_XMAC_VSPORT_CHOICE_VSPORT_NUMBER( | |
3707 | vpath->vsport_number), &vp_reg->xmac_vsport_choice); | |
3708 | ||
3709 | if (vp_config->ring.enable == VXGE_HW_RING_ENABLE) { | |
3710 | ||
3711 | val64 = readq(&vp_reg->xmac_rpa_vcfg); | |
3712 | ||
3713 | if (vp_config->rpa_strip_vlan_tag != | |
3714 | VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) { | |
3715 | if (vp_config->rpa_strip_vlan_tag) | |
3716 | val64 |= VXGE_HW_XMAC_RPA_VCFG_STRIP_VLAN_TAG; | |
3717 | else | |
3718 | val64 &= ~VXGE_HW_XMAC_RPA_VCFG_STRIP_VLAN_TAG; | |
3719 | } | |
3720 | ||
3721 | writeq(val64, &vp_reg->xmac_rpa_vcfg); | |
3722 | val64 = readq(&vp_reg->rxmac_vcfg0); | |
3723 | ||
3724 | if (vp_config->mtu != | |
3725 | VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) { | |
3726 | val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); | |
3727 | if ((vp_config->mtu + | |
3728 | VXGE_HW_MAC_HEADER_MAX_SIZE) < vpath->max_mtu) | |
3729 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN( | |
3730 | vp_config->mtu + | |
3731 | VXGE_HW_MAC_HEADER_MAX_SIZE); | |
3732 | else | |
3733 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN( | |
3734 | vpath->max_mtu); | |
3735 | } | |
3736 | ||
3737 | writeq(val64, &vp_reg->rxmac_vcfg0); | |
3738 | ||
3739 | val64 = readq(&vp_reg->rxmac_vcfg1); | |
3740 | ||
3741 | val64 &= ~(VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_BD_MODE(0x3) | | |
3742 | VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_EN_MODE); | |
3743 | ||
3744 | if (hldev->config.rth_it_type == | |
3745 | VXGE_HW_RTH_IT_TYPE_MULTI_IT) { | |
3746 | val64 |= VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_BD_MODE( | |
3747 | 0x2) | | |
3748 | VXGE_HW_RXMAC_VCFG1_RTS_RTH_MULTI_IT_EN_MODE; | |
3749 | } | |
3750 | ||
3751 | writeq(val64, &vp_reg->rxmac_vcfg1); | |
3752 | } | |
3753 | return status; | |
3754 | } | |
3755 | ||
3756 | /* | |
3757 | * __vxge_hw_vpath_tim_configure | |
3758 | * This routine configures the tim registers of virtual path using the config | |
3759 | * passed | |
3760 | */ | |
42821a5b | 3761 | static enum vxge_hw_status |
40a3a915 RV |
3762 | __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) |
3763 | { | |
3764 | u64 val64; | |
3765 | enum vxge_hw_status status = VXGE_HW_OK; | |
3766 | struct __vxge_hw_virtualpath *vpath; | |
3767 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
3768 | struct vxge_hw_vp_config *config; | |
3769 | ||
3770 | vpath = &hldev->virtual_paths[vp_id]; | |
3771 | vp_reg = vpath->vp_reg; | |
3772 | config = vpath->vp_config; | |
3773 | ||
3774 | writeq((u64)0, &vp_reg->tim_dest_addr); | |
3775 | writeq((u64)0, &vp_reg->tim_vpath_map); | |
3776 | writeq((u64)0, &vp_reg->tim_bitmap); | |
3777 | writeq((u64)0, &vp_reg->tim_remap); | |
3778 | ||
3779 | if (config->ring.enable == VXGE_HW_RING_ENABLE) | |
3780 | writeq(VXGE_HW_TIM_RING_ASSN_INT_NUM( | |
3781 | (vp_id * VXGE_HW_MAX_INTR_PER_VP) + | |
3782 | VXGE_HW_VPATH_INTR_RX), &vp_reg->tim_ring_assn); | |
3783 | ||
3784 | val64 = readq(&vp_reg->tim_pci_cfg); | |
3785 | val64 |= VXGE_HW_TIM_PCI_CFG_ADD_PAD; | |
3786 | writeq(val64, &vp_reg->tim_pci_cfg); | |
3787 | ||
3788 | if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
3789 | ||
3790 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3791 | ||
3792 | if (config->tti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3793 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3794 | 0x3ffffff); | |
3795 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3796 | config->tti.btimer_val); | |
3797 | } | |
3798 | ||
3799 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; | |
3800 | ||
3801 | if (config->tti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3802 | if (config->tti.timer_ac_en) | |
3803 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3804 | else | |
3805 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3806 | } | |
3807 | ||
3808 | if (config->tti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3809 | if (config->tti.timer_ci_en) | |
3810 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3811 | else | |
3812 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3813 | } | |
3814 | ||
3815 | if (config->tti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3816 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); | |
3817 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( | |
3818 | config->tti.urange_a); | |
3819 | } | |
3820 | ||
3821 | if (config->tti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3822 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); | |
3823 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( | |
3824 | config->tti.urange_b); | |
3825 | } | |
3826 | ||
3827 | if (config->tti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3828 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); | |
3829 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( | |
3830 | config->tti.urange_c); | |
3831 | } | |
3832 | ||
3833 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3834 | val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3835 | ||
3836 | if (config->tti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3837 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); | |
3838 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( | |
3839 | config->tti.uec_a); | |
3840 | } | |
3841 | ||
3842 | if (config->tti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3843 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); | |
3844 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( | |
3845 | config->tti.uec_b); | |
3846 | } | |
3847 | ||
3848 | if (config->tti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3849 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); | |
3850 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( | |
3851 | config->tti.uec_c); | |
3852 | } | |
3853 | ||
3854 | if (config->tti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { | |
3855 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); | |
3856 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( | |
3857 | config->tti.uec_d); | |
3858 | } | |
3859 | ||
3860 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3861 | val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3862 | ||
3863 | if (config->tti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3864 | if (config->tti.timer_ri_en) | |
3865 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3866 | else | |
3867 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3868 | } | |
3869 | ||
3870 | if (config->tti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3871 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3872 | 0x3ffffff); | |
3873 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3874 | config->tti.rtimer_val); | |
3875 | } | |
3876 | ||
3877 | if (config->tti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { | |
3878 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); | |
3879 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL( | |
3880 | config->tti.util_sel); | |
3881 | } | |
3882 | ||
3883 | if (config->tti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3884 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3885 | 0x3ffffff); | |
3886 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3887 | config->tti.ltimer_val); | |
3888 | } | |
3889 | ||
3890 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); | |
3891 | } | |
3892 | ||
3893 | if (config->ring.enable == VXGE_HW_RING_ENABLE) { | |
3894 | ||
3895 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3896 | ||
3897 | if (config->rti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3898 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3899 | 0x3ffffff); | |
3900 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( | |
3901 | config->rti.btimer_val); | |
3902 | } | |
3903 | ||
3904 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; | |
3905 | ||
3906 | if (config->rti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3907 | if (config->rti.timer_ac_en) | |
3908 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3909 | else | |
3910 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; | |
3911 | } | |
3912 | ||
3913 | if (config->rti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3914 | if (config->rti.timer_ci_en) | |
3915 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3916 | else | |
3917 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
3918 | } | |
3919 | ||
3920 | if (config->rti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3921 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); | |
3922 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( | |
3923 | config->rti.urange_a); | |
3924 | } | |
3925 | ||
3926 | if (config->rti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3927 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); | |
3928 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( | |
3929 | config->rti.urange_b); | |
3930 | } | |
3931 | ||
3932 | if (config->rti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3933 | val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); | |
3934 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( | |
3935 | config->rti.urange_c); | |
3936 | } | |
3937 | ||
3938 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3939 | val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3940 | ||
3941 | if (config->rti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { | |
3942 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); | |
3943 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( | |
3944 | config->rti.uec_a); | |
3945 | } | |
3946 | ||
3947 | if (config->rti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { | |
3948 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); | |
3949 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( | |
3950 | config->rti.uec_b); | |
3951 | } | |
3952 | ||
3953 | if (config->rti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { | |
3954 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); | |
3955 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( | |
3956 | config->rti.uec_c); | |
3957 | } | |
3958 | ||
3959 | if (config->rti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { | |
3960 | val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); | |
3961 | val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( | |
3962 | config->rti.uec_d); | |
3963 | } | |
3964 | ||
3965 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3966 | val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3967 | ||
3968 | if (config->rti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { | |
3969 | if (config->rti.timer_ri_en) | |
3970 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3971 | else | |
3972 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; | |
3973 | } | |
3974 | ||
3975 | if (config->rti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3976 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3977 | 0x3ffffff); | |
3978 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( | |
3979 | config->rti.rtimer_val); | |
3980 | } | |
3981 | ||
3982 | if (config->rti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { | |
3983 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); | |
3984 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL( | |
3985 | config->rti.util_sel); | |
3986 | } | |
3987 | ||
3988 | if (config->rti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { | |
3989 | val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3990 | 0x3ffffff); | |
3991 | val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( | |
3992 | config->rti.ltimer_val); | |
3993 | } | |
3994 | ||
3995 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); | |
3996 | } | |
3997 | ||
3998 | val64 = 0; | |
3999 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
4000 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
4001 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_EINTA]); | |
4002 | writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
4003 | writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
4004 | writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_BMAP]); | |
4005 | ||
4006 | return status; | |
4007 | } | |
4008 | ||
eb5f10c2 SH |
4009 | void |
4010 | vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id) | |
4011 | { | |
4012 | struct __vxge_hw_virtualpath *vpath; | |
4013 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4014 | struct vxge_hw_vp_config *config; | |
4015 | u64 val64; | |
4016 | ||
4017 | vpath = &hldev->virtual_paths[vp_id]; | |
4018 | vp_reg = vpath->vp_reg; | |
4019 | config = vpath->vp_config; | |
4020 | ||
4021 | if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
4022 | val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
4023 | ||
4024 | if (config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) { | |
4025 | config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE; | |
4026 | val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; | |
4027 | writeq(val64, | |
4028 | &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); | |
4029 | } | |
4030 | } | |
eb5f10c2 | 4031 | } |
40a3a915 RV |
4032 | /* |
4033 | * __vxge_hw_vpath_initialize | |
4034 | * This routine is the final phase of init which initializes the | |
4035 | * registers of the vpath using the configuration passed. | |
4036 | */ | |
42821a5b | 4037 | static enum vxge_hw_status |
40a3a915 RV |
4038 | __vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id) |
4039 | { | |
4040 | u64 val64; | |
4041 | u32 val32; | |
4042 | enum vxge_hw_status status = VXGE_HW_OK; | |
4043 | struct __vxge_hw_virtualpath *vpath; | |
4044 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4045 | ||
4046 | vpath = &hldev->virtual_paths[vp_id]; | |
4047 | ||
4048 | if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { | |
4049 | status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; | |
4050 | goto exit; | |
4051 | } | |
4052 | vp_reg = vpath->vp_reg; | |
4053 | ||
4054 | status = __vxge_hw_vpath_swapper_set(vpath->vp_reg); | |
4055 | ||
4056 | if (status != VXGE_HW_OK) | |
4057 | goto exit; | |
4058 | ||
4059 | status = __vxge_hw_vpath_mac_configure(hldev, vp_id); | |
4060 | ||
4061 | if (status != VXGE_HW_OK) | |
4062 | goto exit; | |
4063 | ||
4064 | status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id); | |
4065 | ||
4066 | if (status != VXGE_HW_OK) | |
4067 | goto exit; | |
4068 | ||
4069 | status = __vxge_hw_vpath_tim_configure(hldev, vp_id); | |
4070 | ||
4071 | if (status != VXGE_HW_OK) | |
4072 | goto exit; | |
4073 | ||
40a3a915 RV |
4074 | val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl); |
4075 | ||
4076 | /* Get MRRS value from device control */ | |
4077 | status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32); | |
4078 | ||
4079 | if (status == VXGE_HW_OK) { | |
4080 | val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12; | |
4081 | val64 &= | |
4082 | ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(7)); | |
4083 | val64 |= | |
4084 | VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(val32); | |
4085 | ||
4086 | val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_WAIT_FOR_SPACE; | |
4087 | } | |
4088 | ||
4089 | val64 &= ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(7)); | |
4090 | val64 |= | |
4091 | VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY( | |
4092 | VXGE_HW_MAX_PAYLOAD_SIZE_512); | |
4093 | ||
4094 | val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY_EN; | |
4095 | writeq(val64, &vp_reg->rtdma_rd_optimization_ctrl); | |
4096 | ||
4097 | exit: | |
4098 | return status; | |
4099 | } | |
4100 | ||
4101 | /* | |
4102 | * __vxge_hw_vp_initialize - Initialize Virtual Path structure | |
4103 | * This routine is the initial phase of init which resets the vpath and | |
4104 | * initializes the software support structures. | |
4105 | */ | |
42821a5b | 4106 | static enum vxge_hw_status |
40a3a915 RV |
4107 | __vxge_hw_vp_initialize(struct __vxge_hw_device *hldev, u32 vp_id, |
4108 | struct vxge_hw_vp_config *config) | |
4109 | { | |
4110 | struct __vxge_hw_virtualpath *vpath; | |
4111 | enum vxge_hw_status status = VXGE_HW_OK; | |
4112 | ||
4113 | if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { | |
4114 | status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; | |
4115 | goto exit; | |
4116 | } | |
4117 | ||
4118 | vpath = &hldev->virtual_paths[vp_id]; | |
4119 | ||
4120 | vpath->vp_id = vp_id; | |
4121 | vpath->vp_open = VXGE_HW_VP_OPEN; | |
4122 | vpath->hldev = hldev; | |
4123 | vpath->vp_config = config; | |
4124 | vpath->vp_reg = hldev->vpath_reg[vp_id]; | |
4125 | vpath->vpmgmt_reg = hldev->vpmgmt_reg[vp_id]; | |
4126 | ||
4127 | __vxge_hw_vpath_reset(hldev, vp_id); | |
4128 | ||
4129 | status = __vxge_hw_vpath_reset_check(vpath); | |
4130 | ||
4131 | if (status != VXGE_HW_OK) { | |
4132 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4133 | goto exit; | |
4134 | } | |
4135 | ||
4136 | status = __vxge_hw_vpath_mgmt_read(hldev, vpath); | |
4137 | ||
4138 | if (status != VXGE_HW_OK) { | |
4139 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4140 | goto exit; | |
4141 | } | |
4142 | ||
4143 | INIT_LIST_HEAD(&vpath->vpath_handles); | |
4144 | ||
4145 | vpath->sw_stats = &hldev->stats.sw_dev_info_stats.vpath_info[vp_id]; | |
4146 | ||
4147 | VXGE_HW_DEVICE_TIM_INT_MASK_SET(hldev->tim_int_mask0, | |
4148 | hldev->tim_int_mask1, vp_id); | |
4149 | ||
4150 | status = __vxge_hw_vpath_initialize(hldev, vp_id); | |
4151 | ||
4152 | if (status != VXGE_HW_OK) | |
4153 | __vxge_hw_vp_terminate(hldev, vp_id); | |
4154 | exit: | |
4155 | return status; | |
4156 | } | |
4157 | ||
4158 | /* | |
4159 | * __vxge_hw_vp_terminate - Terminate Virtual Path structure | |
4160 | * This routine closes all channels it opened and freeup memory | |
4161 | */ | |
42821a5b | 4162 | static void |
40a3a915 RV |
4163 | __vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id) |
4164 | { | |
4165 | struct __vxge_hw_virtualpath *vpath; | |
4166 | ||
4167 | vpath = &hldev->virtual_paths[vp_id]; | |
4168 | ||
4169 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) | |
4170 | goto exit; | |
4171 | ||
4172 | VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0, | |
4173 | vpath->hldev->tim_int_mask1, vpath->vp_id); | |
4174 | hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL; | |
4175 | ||
4176 | memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); | |
4177 | exit: | |
4178 | return; | |
4179 | } | |
4180 | ||
4181 | /* | |
4182 | * vxge_hw_vpath_mtu_set - Set MTU. | |
4183 | * Set new MTU value. Example, to use jumbo frames: | |
4184 | * vxge_hw_vpath_mtu_set(my_device, 9600); | |
4185 | */ | |
4186 | enum vxge_hw_status | |
4187 | vxge_hw_vpath_mtu_set(struct __vxge_hw_vpath_handle *vp, u32 new_mtu) | |
4188 | { | |
4189 | u64 val64; | |
4190 | enum vxge_hw_status status = VXGE_HW_OK; | |
4191 | struct __vxge_hw_virtualpath *vpath; | |
4192 | ||
4193 | if (vp == NULL) { | |
4194 | status = VXGE_HW_ERR_INVALID_HANDLE; | |
4195 | goto exit; | |
4196 | } | |
4197 | vpath = vp->vpath; | |
4198 | ||
4199 | new_mtu += VXGE_HW_MAC_HEADER_MAX_SIZE; | |
4200 | ||
4201 | if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > vpath->max_mtu)) | |
4202 | status = VXGE_HW_ERR_INVALID_MTU_SIZE; | |
4203 | ||
4204 | val64 = readq(&vpath->vp_reg->rxmac_vcfg0); | |
4205 | ||
4206 | val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); | |
4207 | val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(new_mtu); | |
4208 | ||
4209 | writeq(val64, &vpath->vp_reg->rxmac_vcfg0); | |
4210 | ||
4211 | vpath->vp_config->mtu = new_mtu - VXGE_HW_MAC_HEADER_MAX_SIZE; | |
4212 | ||
4213 | exit: | |
4214 | return status; | |
4215 | } | |
4216 | ||
4217 | /* | |
4218 | * vxge_hw_vpath_open - Open a virtual path on a given adapter | |
4219 | * This function is used to open access to virtual path of an | |
4220 | * adapter for offload, GRO operations. This function returns | |
4221 | * synchronously. | |
4222 | */ | |
4223 | enum vxge_hw_status | |
4224 | vxge_hw_vpath_open(struct __vxge_hw_device *hldev, | |
4225 | struct vxge_hw_vpath_attr *attr, | |
4226 | struct __vxge_hw_vpath_handle **vpath_handle) | |
4227 | { | |
4228 | struct __vxge_hw_virtualpath *vpath; | |
4229 | struct __vxge_hw_vpath_handle *vp; | |
4230 | enum vxge_hw_status status; | |
4231 | ||
4232 | vpath = &hldev->virtual_paths[attr->vp_id]; | |
4233 | ||
4234 | if (vpath->vp_open == VXGE_HW_VP_OPEN) { | |
4235 | status = VXGE_HW_ERR_INVALID_STATE; | |
4236 | goto vpath_open_exit1; | |
4237 | } | |
4238 | ||
4239 | status = __vxge_hw_vp_initialize(hldev, attr->vp_id, | |
4240 | &hldev->config.vp_config[attr->vp_id]); | |
4241 | ||
4242 | if (status != VXGE_HW_OK) | |
4243 | goto vpath_open_exit1; | |
4244 | ||
4245 | vp = (struct __vxge_hw_vpath_handle *) | |
4246 | vmalloc(sizeof(struct __vxge_hw_vpath_handle)); | |
4247 | if (vp == NULL) { | |
4248 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4249 | goto vpath_open_exit2; | |
4250 | } | |
4251 | ||
4252 | memset(vp, 0, sizeof(struct __vxge_hw_vpath_handle)); | |
4253 | ||
4254 | vp->vpath = vpath; | |
4255 | ||
4256 | if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { | |
4257 | status = __vxge_hw_fifo_create(vp, &attr->fifo_attr); | |
4258 | if (status != VXGE_HW_OK) | |
4259 | goto vpath_open_exit6; | |
4260 | } | |
4261 | ||
4262 | if (vpath->vp_config->ring.enable == VXGE_HW_RING_ENABLE) { | |
4263 | status = __vxge_hw_ring_create(vp, &attr->ring_attr); | |
4264 | if (status != VXGE_HW_OK) | |
4265 | goto vpath_open_exit7; | |
4266 | ||
4267 | __vxge_hw_vpath_prc_configure(hldev, attr->vp_id); | |
4268 | } | |
4269 | ||
4270 | vpath->fifoh->tx_intr_num = | |
4271 | (attr->vp_id * VXGE_HW_MAX_INTR_PER_VP) + | |
4272 | VXGE_HW_VPATH_INTR_TX; | |
4273 | ||
4274 | vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev, | |
4275 | VXGE_HW_BLOCK_SIZE); | |
4276 | ||
4277 | if (vpath->stats_block == NULL) { | |
4278 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4279 | goto vpath_open_exit8; | |
4280 | } | |
4281 | ||
4282 | vpath->hw_stats = (struct vxge_hw_vpath_stats_hw_info *)vpath-> | |
4283 | stats_block->memblock; | |
4284 | memset(vpath->hw_stats, 0, | |
4285 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4286 | ||
4287 | hldev->stats.hw_dev_info_stats.vpath_info[attr->vp_id] = | |
4288 | vpath->hw_stats; | |
4289 | ||
4290 | vpath->hw_stats_sav = | |
4291 | &hldev->stats.hw_dev_info_stats.vpath_info_sav[attr->vp_id]; | |
4292 | memset(vpath->hw_stats_sav, 0, | |
4293 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4294 | ||
4295 | writeq(vpath->stats_block->dma_addr, &vpath->vp_reg->stats_cfg); | |
4296 | ||
4297 | status = vxge_hw_vpath_stats_enable(vp); | |
4298 | if (status != VXGE_HW_OK) | |
4299 | goto vpath_open_exit8; | |
4300 | ||
4301 | list_add(&vp->item, &vpath->vpath_handles); | |
4302 | ||
4303 | hldev->vpaths_deployed |= vxge_mBIT(vpath->vp_id); | |
4304 | ||
4305 | *vpath_handle = vp; | |
4306 | ||
4307 | attr->fifo_attr.userdata = vpath->fifoh; | |
4308 | attr->ring_attr.userdata = vpath->ringh; | |
4309 | ||
4310 | return VXGE_HW_OK; | |
4311 | ||
4312 | vpath_open_exit8: | |
4313 | if (vpath->ringh != NULL) | |
4314 | __vxge_hw_ring_delete(vp); | |
4315 | vpath_open_exit7: | |
4316 | if (vpath->fifoh != NULL) | |
4317 | __vxge_hw_fifo_delete(vp); | |
4318 | vpath_open_exit6: | |
4319 | vfree(vp); | |
4320 | vpath_open_exit2: | |
4321 | __vxge_hw_vp_terminate(hldev, attr->vp_id); | |
4322 | vpath_open_exit1: | |
4323 | ||
4324 | return status; | |
4325 | } | |
4326 | ||
4327 | /** | |
4328 | * vxge_hw_vpath_rx_doorbell_post - Close the handle got from previous vpath | |
4329 | * (vpath) open | |
4330 | * @vp: Handle got from previous vpath open | |
4331 | * | |
4332 | * This function is used to close access to virtual path opened | |
4333 | * earlier. | |
4334 | */ | |
4335 | void | |
4336 | vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp) | |
4337 | { | |
4338 | struct __vxge_hw_virtualpath *vpath = NULL; | |
4339 | u64 new_count, val64, val164; | |
4340 | struct __vxge_hw_ring *ring; | |
4341 | ||
4342 | vpath = vp->vpath; | |
4343 | ring = vpath->ringh; | |
4344 | ||
4345 | new_count = readq(&vpath->vp_reg->rxdmem_size); | |
4346 | new_count &= 0x1fff; | |
4347 | val164 = (VXGE_HW_RXDMEM_SIZE_PRC_RXDMEM_SIZE(new_count)); | |
4348 | ||
4349 | writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(val164), | |
4350 | &vpath->vp_reg->prc_rxd_doorbell); | |
4351 | readl(&vpath->vp_reg->prc_rxd_doorbell); | |
4352 | ||
4353 | val164 /= 2; | |
4354 | val64 = readq(&vpath->vp_reg->prc_cfg6); | |
4355 | val64 = VXGE_HW_PRC_CFG6_RXD_SPAT(val64); | |
4356 | val64 &= 0x1ff; | |
4357 | ||
4358 | /* | |
4359 | * Each RxD is of 4 qwords | |
4360 | */ | |
4361 | new_count -= (val64 + 1); | |
4362 | val64 = min(val164, new_count) / 4; | |
4363 | ||
4364 | ring->rxds_limit = min(ring->rxds_limit, val64); | |
4365 | if (ring->rxds_limit < 4) | |
4366 | ring->rxds_limit = 4; | |
4367 | } | |
4368 | ||
4369 | /* | |
4370 | * vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open | |
4371 | * This function is used to close access to virtual path opened | |
4372 | * earlier. | |
4373 | */ | |
4374 | enum vxge_hw_status vxge_hw_vpath_close(struct __vxge_hw_vpath_handle *vp) | |
4375 | { | |
4376 | struct __vxge_hw_virtualpath *vpath = NULL; | |
4377 | struct __vxge_hw_device *devh = NULL; | |
4378 | u32 vp_id = vp->vpath->vp_id; | |
4379 | u32 is_empty = TRUE; | |
4380 | enum vxge_hw_status status = VXGE_HW_OK; | |
4381 | ||
4382 | vpath = vp->vpath; | |
4383 | devh = vpath->hldev; | |
4384 | ||
4385 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4386 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4387 | goto vpath_close_exit; | |
4388 | } | |
4389 | ||
4390 | list_del(&vp->item); | |
4391 | ||
4392 | if (!list_empty(&vpath->vpath_handles)) { | |
4393 | list_add(&vp->item, &vpath->vpath_handles); | |
4394 | is_empty = FALSE; | |
4395 | } | |
4396 | ||
4397 | if (!is_empty) { | |
4398 | status = VXGE_HW_FAIL; | |
4399 | goto vpath_close_exit; | |
4400 | } | |
4401 | ||
4402 | devh->vpaths_deployed &= ~vxge_mBIT(vp_id); | |
4403 | ||
4404 | if (vpath->ringh != NULL) | |
4405 | __vxge_hw_ring_delete(vp); | |
4406 | ||
4407 | if (vpath->fifoh != NULL) | |
4408 | __vxge_hw_fifo_delete(vp); | |
4409 | ||
4410 | if (vpath->stats_block != NULL) | |
4411 | __vxge_hw_blockpool_block_free(devh, vpath->stats_block); | |
4412 | ||
4413 | vfree(vp); | |
4414 | ||
4415 | __vxge_hw_vp_terminate(devh, vp_id); | |
4416 | ||
4417 | vpath->vp_open = VXGE_HW_VP_NOT_OPEN; | |
4418 | ||
4419 | vpath_close_exit: | |
4420 | return status; | |
4421 | } | |
4422 | ||
4423 | /* | |
4424 | * vxge_hw_vpath_reset - Resets vpath | |
4425 | * This function is used to request a reset of vpath | |
4426 | */ | |
4427 | enum vxge_hw_status vxge_hw_vpath_reset(struct __vxge_hw_vpath_handle *vp) | |
4428 | { | |
4429 | enum vxge_hw_status status; | |
4430 | u32 vp_id; | |
4431 | struct __vxge_hw_virtualpath *vpath = vp->vpath; | |
4432 | ||
4433 | vp_id = vpath->vp_id; | |
4434 | ||
4435 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4436 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4437 | goto exit; | |
4438 | } | |
4439 | ||
4440 | status = __vxge_hw_vpath_reset(vpath->hldev, vp_id); | |
4441 | if (status == VXGE_HW_OK) | |
4442 | vpath->sw_stats->soft_reset_cnt++; | |
4443 | exit: | |
4444 | return status; | |
4445 | } | |
4446 | ||
4447 | /* | |
4448 | * vxge_hw_vpath_recover_from_reset - Poll for reset complete and re-initialize. | |
4449 | * This function poll's for the vpath reset completion and re initializes | |
4450 | * the vpath. | |
4451 | */ | |
4452 | enum vxge_hw_status | |
4453 | vxge_hw_vpath_recover_from_reset(struct __vxge_hw_vpath_handle *vp) | |
4454 | { | |
4455 | struct __vxge_hw_virtualpath *vpath = NULL; | |
4456 | enum vxge_hw_status status; | |
4457 | struct __vxge_hw_device *hldev; | |
4458 | u32 vp_id; | |
4459 | ||
4460 | vp_id = vp->vpath->vp_id; | |
4461 | vpath = vp->vpath; | |
4462 | hldev = vpath->hldev; | |
4463 | ||
4464 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4465 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4466 | goto exit; | |
4467 | } | |
4468 | ||
4469 | status = __vxge_hw_vpath_reset_check(vpath); | |
4470 | if (status != VXGE_HW_OK) | |
4471 | goto exit; | |
4472 | ||
4473 | status = __vxge_hw_vpath_sw_reset(hldev, vp_id); | |
4474 | if (status != VXGE_HW_OK) | |
4475 | goto exit; | |
4476 | ||
4477 | status = __vxge_hw_vpath_initialize(hldev, vp_id); | |
4478 | if (status != VXGE_HW_OK) | |
4479 | goto exit; | |
4480 | ||
4481 | if (vpath->ringh != NULL) | |
4482 | __vxge_hw_vpath_prc_configure(hldev, vp_id); | |
4483 | ||
4484 | memset(vpath->hw_stats, 0, | |
4485 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4486 | ||
4487 | memset(vpath->hw_stats_sav, 0, | |
4488 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4489 | ||
4490 | writeq(vpath->stats_block->dma_addr, | |
4491 | &vpath->vp_reg->stats_cfg); | |
4492 | ||
4493 | status = vxge_hw_vpath_stats_enable(vp); | |
4494 | ||
4495 | exit: | |
4496 | return status; | |
4497 | } | |
4498 | ||
4499 | /* | |
4500 | * vxge_hw_vpath_enable - Enable vpath. | |
4501 | * This routine clears the vpath reset thereby enabling a vpath | |
4502 | * to start forwarding frames and generating interrupts. | |
4503 | */ | |
4504 | void | |
4505 | vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp) | |
4506 | { | |
4507 | struct __vxge_hw_device *hldev; | |
4508 | u64 val64; | |
4509 | ||
4510 | hldev = vp->vpath->hldev; | |
4511 | ||
4512 | val64 = VXGE_HW_CMN_RSTHDLR_CFG1_CLR_VPATH_RESET( | |
4513 | 1 << (16 - vp->vpath->vp_id)); | |
4514 | ||
4515 | __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), | |
4516 | &hldev->common_reg->cmn_rsthdlr_cfg1); | |
4517 | } | |
4518 | ||
4519 | /* | |
4520 | * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics. | |
4521 | * Enable the DMA vpath statistics. The function is to be called to re-enable | |
4522 | * the adapter to update stats into the host memory | |
4523 | */ | |
42821a5b | 4524 | static enum vxge_hw_status |
40a3a915 RV |
4525 | vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp) |
4526 | { | |
4527 | enum vxge_hw_status status = VXGE_HW_OK; | |
4528 | struct __vxge_hw_virtualpath *vpath; | |
4529 | ||
4530 | vpath = vp->vpath; | |
4531 | ||
4532 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4533 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4534 | goto exit; | |
4535 | } | |
4536 | ||
4537 | memcpy(vpath->hw_stats_sav, vpath->hw_stats, | |
4538 | sizeof(struct vxge_hw_vpath_stats_hw_info)); | |
4539 | ||
4540 | status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats); | |
4541 | exit: | |
4542 | return status; | |
4543 | } | |
4544 | ||
4545 | /* | |
4546 | * __vxge_hw_vpath_stats_access - Get the statistics from the given location | |
4547 | * and offset and perform an operation | |
4548 | */ | |
42821a5b | 4549 | static enum vxge_hw_status |
40a3a915 RV |
4550 | __vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath, |
4551 | u32 operation, u32 offset, u64 *stat) | |
4552 | { | |
4553 | u64 val64; | |
4554 | enum vxge_hw_status status = VXGE_HW_OK; | |
4555 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4556 | ||
4557 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4558 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4559 | goto vpath_stats_access_exit; | |
4560 | } | |
4561 | ||
4562 | vp_reg = vpath->vp_reg; | |
4563 | ||
4564 | val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) | | |
4565 | VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE | | |
4566 | VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset); | |
4567 | ||
4568 | status = __vxge_hw_pio_mem_write64(val64, | |
4569 | &vp_reg->xmac_stats_access_cmd, | |
4570 | VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE, | |
4571 | vpath->hldev->config.device_poll_millis); | |
4572 | ||
4573 | if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) | |
4574 | *stat = readq(&vp_reg->xmac_stats_access_data); | |
4575 | else | |
4576 | *stat = 0; | |
4577 | ||
4578 | vpath_stats_access_exit: | |
4579 | return status; | |
4580 | } | |
4581 | ||
4582 | /* | |
4583 | * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath | |
4584 | */ | |
42821a5b | 4585 | static enum vxge_hw_status |
40a3a915 RV |
4586 | __vxge_hw_vpath_xmac_tx_stats_get( |
4587 | struct __vxge_hw_virtualpath *vpath, | |
4588 | struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats) | |
4589 | { | |
4590 | u64 *val64; | |
4591 | int i; | |
4592 | u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET; | |
4593 | enum vxge_hw_status status = VXGE_HW_OK; | |
4594 | ||
4595 | val64 = (u64 *) vpath_tx_stats; | |
4596 | ||
4597 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4598 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4599 | goto exit; | |
4600 | } | |
4601 | ||
4602 | for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) { | |
4603 | status = __vxge_hw_vpath_stats_access(vpath, | |
4604 | VXGE_HW_STATS_OP_READ, | |
4605 | offset, val64); | |
4606 | if (status != VXGE_HW_OK) | |
4607 | goto exit; | |
4608 | offset++; | |
4609 | val64++; | |
4610 | } | |
4611 | exit: | |
4612 | return status; | |
4613 | } | |
4614 | ||
4615 | /* | |
4616 | * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath | |
4617 | */ | |
42821a5b | 4618 | static enum vxge_hw_status |
40a3a915 | 4619 | __vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath, |
42821a5b | 4620 | struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats) |
40a3a915 RV |
4621 | { |
4622 | u64 *val64; | |
4623 | enum vxge_hw_status status = VXGE_HW_OK; | |
4624 | int i; | |
4625 | u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET; | |
4626 | val64 = (u64 *) vpath_rx_stats; | |
4627 | ||
4628 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4629 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4630 | goto exit; | |
4631 | } | |
4632 | for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) { | |
4633 | status = __vxge_hw_vpath_stats_access(vpath, | |
4634 | VXGE_HW_STATS_OP_READ, | |
4635 | offset >> 3, val64); | |
4636 | if (status != VXGE_HW_OK) | |
4637 | goto exit; | |
4638 | ||
4639 | offset += 8; | |
4640 | val64++; | |
4641 | } | |
4642 | exit: | |
4643 | return status; | |
4644 | } | |
4645 | ||
4646 | /* | |
4647 | * __vxge_hw_vpath_stats_get - Get the vpath hw statistics. | |
4648 | */ | |
42821a5b | 4649 | static enum vxge_hw_status |
4650 | __vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath, | |
4651 | struct vxge_hw_vpath_stats_hw_info *hw_stats) | |
40a3a915 RV |
4652 | { |
4653 | u64 val64; | |
4654 | enum vxge_hw_status status = VXGE_HW_OK; | |
4655 | struct vxge_hw_vpath_reg __iomem *vp_reg; | |
4656 | ||
4657 | if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { | |
4658 | status = VXGE_HW_ERR_VPATH_NOT_OPEN; | |
4659 | goto exit; | |
4660 | } | |
4661 | vp_reg = vpath->vp_reg; | |
4662 | ||
4663 | val64 = readq(&vp_reg->vpath_debug_stats0); | |
4664 | hw_stats->ini_num_mwr_sent = | |
4665 | (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64); | |
4666 | ||
4667 | val64 = readq(&vp_reg->vpath_debug_stats1); | |
4668 | hw_stats->ini_num_mrd_sent = | |
4669 | (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64); | |
4670 | ||
4671 | val64 = readq(&vp_reg->vpath_debug_stats2); | |
4672 | hw_stats->ini_num_cpl_rcvd = | |
4673 | (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64); | |
4674 | ||
4675 | val64 = readq(&vp_reg->vpath_debug_stats3); | |
4676 | hw_stats->ini_num_mwr_byte_sent = | |
4677 | VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64); | |
4678 | ||
4679 | val64 = readq(&vp_reg->vpath_debug_stats4); | |
4680 | hw_stats->ini_num_cpl_byte_rcvd = | |
4681 | VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64); | |
4682 | ||
4683 | val64 = readq(&vp_reg->vpath_debug_stats5); | |
4684 | hw_stats->wrcrdtarb_xoff = | |
4685 | (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64); | |
4686 | ||
4687 | val64 = readq(&vp_reg->vpath_debug_stats6); | |
4688 | hw_stats->rdcrdtarb_xoff = | |
4689 | (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64); | |
4690 | ||
4691 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
4692 | hw_stats->vpath_genstats_count0 = | |
4693 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0( | |
4694 | val64); | |
4695 | ||
4696 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
4697 | hw_stats->vpath_genstats_count1 = | |
4698 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1( | |
4699 | val64); | |
4700 | ||
4701 | val64 = readq(&vp_reg->vpath_genstats_count23); | |
4702 | hw_stats->vpath_genstats_count2 = | |
4703 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2( | |
4704 | val64); | |
4705 | ||
4706 | val64 = readq(&vp_reg->vpath_genstats_count01); | |
4707 | hw_stats->vpath_genstats_count3 = | |
4708 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3( | |
4709 | val64); | |
4710 | ||
4711 | val64 = readq(&vp_reg->vpath_genstats_count4); | |
4712 | hw_stats->vpath_genstats_count4 = | |
4713 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4( | |
4714 | val64); | |
4715 | ||
4716 | val64 = readq(&vp_reg->vpath_genstats_count5); | |
4717 | hw_stats->vpath_genstats_count5 = | |
4718 | (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5( | |
4719 | val64); | |
4720 | ||
4721 | status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats); | |
4722 | if (status != VXGE_HW_OK) | |
4723 | goto exit; | |
4724 | ||
4725 | status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats); | |
4726 | if (status != VXGE_HW_OK) | |
4727 | goto exit; | |
4728 | ||
4729 | VXGE_HW_VPATH_STATS_PIO_READ( | |
4730 | VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET); | |
4731 | ||
4732 | hw_stats->prog_event_vnum0 = | |
4733 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64); | |
4734 | ||
4735 | hw_stats->prog_event_vnum1 = | |
4736 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64); | |
4737 | ||
4738 | VXGE_HW_VPATH_STATS_PIO_READ( | |
4739 | VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET); | |
4740 | ||
4741 | hw_stats->prog_event_vnum2 = | |
4742 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64); | |
4743 | ||
4744 | hw_stats->prog_event_vnum3 = | |
4745 | (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64); | |
4746 | ||
4747 | val64 = readq(&vp_reg->rx_multi_cast_stats); | |
4748 | hw_stats->rx_multi_cast_frame_discard = | |
4749 | (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64); | |
4750 | ||
4751 | val64 = readq(&vp_reg->rx_frm_transferred); | |
4752 | hw_stats->rx_frm_transferred = | |
4753 | (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64); | |
4754 | ||
4755 | val64 = readq(&vp_reg->rxd_returned); | |
4756 | hw_stats->rxd_returned = | |
4757 | (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64); | |
4758 | ||
4759 | val64 = readq(&vp_reg->dbg_stats_rx_mpa); | |
4760 | hw_stats->rx_mpa_len_fail_frms = | |
4761 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64); | |
4762 | hw_stats->rx_mpa_mrk_fail_frms = | |
4763 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64); | |
4764 | hw_stats->rx_mpa_crc_fail_frms = | |
4765 | (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64); | |
4766 | ||
4767 | val64 = readq(&vp_reg->dbg_stats_rx_fau); | |
4768 | hw_stats->rx_permitted_frms = | |
4769 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64); | |
4770 | hw_stats->rx_vp_reset_discarded_frms = | |
4771 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64); | |
4772 | hw_stats->rx_wol_frms = | |
4773 | (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64); | |
4774 | ||
4775 | val64 = readq(&vp_reg->tx_vp_reset_discarded_frms); | |
4776 | hw_stats->tx_vp_reset_discarded_frms = | |
4777 | (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS( | |
4778 | val64); | |
4779 | exit: | |
4780 | return status; | |
4781 | } | |
4782 | ||
42821a5b | 4783 | |
4784 | static void vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh, | |
4785 | unsigned long size) | |
4786 | { | |
4787 | gfp_t flags; | |
4788 | void *vaddr; | |
4789 | ||
4790 | if (in_interrupt()) | |
4791 | flags = GFP_ATOMIC | GFP_DMA; | |
4792 | else | |
4793 | flags = GFP_KERNEL | GFP_DMA; | |
4794 | ||
4795 | vaddr = kmalloc((size), flags); | |
4796 | ||
4797 | vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev); | |
4798 | } | |
4799 | ||
4800 | static void vxge_os_dma_free(struct pci_dev *pdev, const void *vaddr, | |
4801 | struct pci_dev **p_dma_acch) | |
4802 | { | |
4803 | unsigned long misaligned = *(unsigned long *)p_dma_acch; | |
4804 | u8 *tmp = (u8 *)vaddr; | |
4805 | tmp -= misaligned; | |
4806 | kfree((void *)tmp); | |
4807 | } | |
4808 | ||
40a3a915 RV |
4809 | /* |
4810 | * __vxge_hw_blockpool_create - Create block pool | |
4811 | */ | |
4812 | ||
4813 | enum vxge_hw_status | |
4814 | __vxge_hw_blockpool_create(struct __vxge_hw_device *hldev, | |
4815 | struct __vxge_hw_blockpool *blockpool, | |
4816 | u32 pool_size, | |
4817 | u32 pool_max) | |
4818 | { | |
4819 | u32 i; | |
4820 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
4821 | void *memblock; | |
4822 | dma_addr_t dma_addr; | |
4823 | struct pci_dev *dma_handle; | |
4824 | struct pci_dev *acc_handle; | |
4825 | enum vxge_hw_status status = VXGE_HW_OK; | |
4826 | ||
4827 | if (blockpool == NULL) { | |
4828 | status = VXGE_HW_FAIL; | |
4829 | goto blockpool_create_exit; | |
4830 | } | |
4831 | ||
4832 | blockpool->hldev = hldev; | |
4833 | blockpool->block_size = VXGE_HW_BLOCK_SIZE; | |
4834 | blockpool->pool_size = 0; | |
4835 | blockpool->pool_max = pool_max; | |
4836 | blockpool->req_out = 0; | |
4837 | ||
4838 | INIT_LIST_HEAD(&blockpool->free_block_list); | |
4839 | INIT_LIST_HEAD(&blockpool->free_entry_list); | |
4840 | ||
4841 | for (i = 0; i < pool_size + pool_max; i++) { | |
4842 | entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry), | |
4843 | GFP_KERNEL); | |
4844 | if (entry == NULL) { | |
4845 | __vxge_hw_blockpool_destroy(blockpool); | |
4846 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4847 | goto blockpool_create_exit; | |
4848 | } | |
4849 | list_add(&entry->item, &blockpool->free_entry_list); | |
4850 | } | |
4851 | ||
4852 | for (i = 0; i < pool_size; i++) { | |
4853 | ||
4854 | memblock = vxge_os_dma_malloc( | |
4855 | hldev->pdev, | |
4856 | VXGE_HW_BLOCK_SIZE, | |
4857 | &dma_handle, | |
4858 | &acc_handle); | |
4859 | ||
4860 | if (memblock == NULL) { | |
4861 | __vxge_hw_blockpool_destroy(blockpool); | |
4862 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4863 | goto blockpool_create_exit; | |
4864 | } | |
4865 | ||
4866 | dma_addr = pci_map_single(hldev->pdev, memblock, | |
4867 | VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL); | |
4868 | ||
4869 | if (unlikely(pci_dma_mapping_error(hldev->pdev, | |
4870 | dma_addr))) { | |
4871 | ||
4872 | vxge_os_dma_free(hldev->pdev, memblock, &acc_handle); | |
4873 | __vxge_hw_blockpool_destroy(blockpool); | |
4874 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4875 | goto blockpool_create_exit; | |
4876 | } | |
4877 | ||
4878 | if (!list_empty(&blockpool->free_entry_list)) | |
4879 | entry = (struct __vxge_hw_blockpool_entry *) | |
4880 | list_first_entry(&blockpool->free_entry_list, | |
4881 | struct __vxge_hw_blockpool_entry, | |
4882 | item); | |
4883 | ||
4884 | if (entry == NULL) | |
4885 | entry = | |
4886 | kzalloc(sizeof(struct __vxge_hw_blockpool_entry), | |
4887 | GFP_KERNEL); | |
4888 | if (entry != NULL) { | |
4889 | list_del(&entry->item); | |
4890 | entry->length = VXGE_HW_BLOCK_SIZE; | |
4891 | entry->memblock = memblock; | |
4892 | entry->dma_addr = dma_addr; | |
4893 | entry->acc_handle = acc_handle; | |
4894 | entry->dma_handle = dma_handle; | |
4895 | list_add(&entry->item, | |
4896 | &blockpool->free_block_list); | |
4897 | blockpool->pool_size++; | |
4898 | } else { | |
4899 | __vxge_hw_blockpool_destroy(blockpool); | |
4900 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
4901 | goto blockpool_create_exit; | |
4902 | } | |
4903 | } | |
4904 | ||
4905 | blockpool_create_exit: | |
4906 | return status; | |
4907 | } | |
4908 | ||
4909 | /* | |
4910 | * __vxge_hw_blockpool_destroy - Deallocates the block pool | |
4911 | */ | |
4912 | ||
4913 | void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool) | |
4914 | { | |
4915 | ||
4916 | struct __vxge_hw_device *hldev; | |
4917 | struct list_head *p, *n; | |
4918 | u16 ret; | |
4919 | ||
4920 | if (blockpool == NULL) { | |
4921 | ret = 1; | |
4922 | goto exit; | |
4923 | } | |
4924 | ||
4925 | hldev = blockpool->hldev; | |
4926 | ||
4927 | list_for_each_safe(p, n, &blockpool->free_block_list) { | |
4928 | ||
4929 | pci_unmap_single(hldev->pdev, | |
4930 | ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, | |
4931 | ((struct __vxge_hw_blockpool_entry *)p)->length, | |
4932 | PCI_DMA_BIDIRECTIONAL); | |
4933 | ||
4934 | vxge_os_dma_free(hldev->pdev, | |
4935 | ((struct __vxge_hw_blockpool_entry *)p)->memblock, | |
4936 | &((struct __vxge_hw_blockpool_entry *) p)->acc_handle); | |
4937 | ||
4938 | list_del( | |
4939 | &((struct __vxge_hw_blockpool_entry *)p)->item); | |
4940 | kfree(p); | |
4941 | blockpool->pool_size--; | |
4942 | } | |
4943 | ||
4944 | list_for_each_safe(p, n, &blockpool->free_entry_list) { | |
4945 | list_del( | |
4946 | &((struct __vxge_hw_blockpool_entry *)p)->item); | |
4947 | kfree((void *)p); | |
4948 | } | |
4949 | ret = 0; | |
4950 | exit: | |
4951 | return; | |
4952 | } | |
4953 | ||
4954 | /* | |
4955 | * __vxge_hw_blockpool_blocks_add - Request additional blocks | |
4956 | */ | |
4957 | static | |
4958 | void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool) | |
4959 | { | |
4960 | u32 nreq = 0, i; | |
4961 | ||
4962 | if ((blockpool->pool_size + blockpool->req_out) < | |
4963 | VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) { | |
4964 | nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE; | |
4965 | blockpool->req_out += nreq; | |
4966 | } | |
4967 | ||
4968 | for (i = 0; i < nreq; i++) | |
4969 | vxge_os_dma_malloc_async( | |
4970 | ((struct __vxge_hw_device *)blockpool->hldev)->pdev, | |
4971 | blockpool->hldev, VXGE_HW_BLOCK_SIZE); | |
4972 | } | |
4973 | ||
4974 | /* | |
4975 | * __vxge_hw_blockpool_blocks_remove - Free additional blocks | |
4976 | */ | |
4977 | static | |
4978 | void __vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool) | |
4979 | { | |
4980 | struct list_head *p, *n; | |
4981 | ||
4982 | list_for_each_safe(p, n, &blockpool->free_block_list) { | |
4983 | ||
4984 | if (blockpool->pool_size < blockpool->pool_max) | |
4985 | break; | |
4986 | ||
4987 | pci_unmap_single( | |
4988 | ((struct __vxge_hw_device *)blockpool->hldev)->pdev, | |
4989 | ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, | |
4990 | ((struct __vxge_hw_blockpool_entry *)p)->length, | |
4991 | PCI_DMA_BIDIRECTIONAL); | |
4992 | ||
4993 | vxge_os_dma_free( | |
4994 | ((struct __vxge_hw_device *)blockpool->hldev)->pdev, | |
4995 | ((struct __vxge_hw_blockpool_entry *)p)->memblock, | |
4996 | &((struct __vxge_hw_blockpool_entry *)p)->acc_handle); | |
4997 | ||
4998 | list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); | |
4999 | ||
5000 | list_add(p, &blockpool->free_entry_list); | |
5001 | ||
5002 | blockpool->pool_size--; | |
5003 | ||
5004 | } | |
5005 | } | |
5006 | ||
5007 | /* | |
5008 | * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async | |
5009 | * Adds a block to block pool | |
5010 | */ | |
42821a5b | 5011 | static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, |
5012 | void *block_addr, | |
5013 | u32 length, | |
5014 | struct pci_dev *dma_h, | |
5015 | struct pci_dev *acc_handle) | |
40a3a915 RV |
5016 | { |
5017 | struct __vxge_hw_blockpool *blockpool; | |
5018 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
5019 | dma_addr_t dma_addr; | |
5020 | enum vxge_hw_status status = VXGE_HW_OK; | |
5021 | u32 req_out; | |
5022 | ||
5023 | blockpool = &devh->block_pool; | |
5024 | ||
5025 | if (block_addr == NULL) { | |
5026 | blockpool->req_out--; | |
5027 | status = VXGE_HW_FAIL; | |
5028 | goto exit; | |
5029 | } | |
5030 | ||
5031 | dma_addr = pci_map_single(devh->pdev, block_addr, length, | |
5032 | PCI_DMA_BIDIRECTIONAL); | |
5033 | ||
5034 | if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) { | |
5035 | ||
5036 | vxge_os_dma_free(devh->pdev, block_addr, &acc_handle); | |
5037 | blockpool->req_out--; | |
5038 | status = VXGE_HW_FAIL; | |
5039 | goto exit; | |
5040 | } | |
5041 | ||
5042 | ||
5043 | if (!list_empty(&blockpool->free_entry_list)) | |
5044 | entry = (struct __vxge_hw_blockpool_entry *) | |
5045 | list_first_entry(&blockpool->free_entry_list, | |
5046 | struct __vxge_hw_blockpool_entry, | |
5047 | item); | |
5048 | ||
5049 | if (entry == NULL) | |
5050 | entry = (struct __vxge_hw_blockpool_entry *) | |
5051 | vmalloc(sizeof(struct __vxge_hw_blockpool_entry)); | |
5052 | else | |
5053 | list_del(&entry->item); | |
5054 | ||
5055 | if (entry != NULL) { | |
5056 | entry->length = length; | |
5057 | entry->memblock = block_addr; | |
5058 | entry->dma_addr = dma_addr; | |
5059 | entry->acc_handle = acc_handle; | |
5060 | entry->dma_handle = dma_h; | |
5061 | list_add(&entry->item, &blockpool->free_block_list); | |
5062 | blockpool->pool_size++; | |
5063 | status = VXGE_HW_OK; | |
5064 | } else | |
5065 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
5066 | ||
5067 | blockpool->req_out--; | |
5068 | ||
5069 | req_out = blockpool->req_out; | |
5070 | exit: | |
5071 | return; | |
5072 | } | |
5073 | ||
5074 | /* | |
5075 | * __vxge_hw_blockpool_malloc - Allocate a memory block from pool | |
5076 | * Allocates a block of memory of given size, either from block pool | |
5077 | * or by calling vxge_os_dma_malloc() | |
5078 | */ | |
5079 | void * | |
5080 | __vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, | |
5081 | struct vxge_hw_mempool_dma *dma_object) | |
5082 | { | |
5083 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
5084 | struct __vxge_hw_blockpool *blockpool; | |
5085 | void *memblock = NULL; | |
5086 | enum vxge_hw_status status = VXGE_HW_OK; | |
5087 | ||
5088 | blockpool = &devh->block_pool; | |
5089 | ||
5090 | if (size != blockpool->block_size) { | |
5091 | ||
5092 | memblock = vxge_os_dma_malloc(devh->pdev, size, | |
5093 | &dma_object->handle, | |
5094 | &dma_object->acc_handle); | |
5095 | ||
5096 | if (memblock == NULL) { | |
5097 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
5098 | goto exit; | |
5099 | } | |
5100 | ||
5101 | dma_object->addr = pci_map_single(devh->pdev, memblock, size, | |
5102 | PCI_DMA_BIDIRECTIONAL); | |
5103 | ||
5104 | if (unlikely(pci_dma_mapping_error(devh->pdev, | |
5105 | dma_object->addr))) { | |
5106 | vxge_os_dma_free(devh->pdev, memblock, | |
5107 | &dma_object->acc_handle); | |
5108 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
5109 | goto exit; | |
5110 | } | |
5111 | ||
5112 | } else { | |
5113 | ||
5114 | if (!list_empty(&blockpool->free_block_list)) | |
5115 | entry = (struct __vxge_hw_blockpool_entry *) | |
5116 | list_first_entry(&blockpool->free_block_list, | |
5117 | struct __vxge_hw_blockpool_entry, | |
5118 | item); | |
5119 | ||
5120 | if (entry != NULL) { | |
5121 | list_del(&entry->item); | |
5122 | dma_object->addr = entry->dma_addr; | |
5123 | dma_object->handle = entry->dma_handle; | |
5124 | dma_object->acc_handle = entry->acc_handle; | |
5125 | memblock = entry->memblock; | |
5126 | ||
5127 | list_add(&entry->item, | |
5128 | &blockpool->free_entry_list); | |
5129 | blockpool->pool_size--; | |
5130 | } | |
5131 | ||
5132 | if (memblock != NULL) | |
5133 | __vxge_hw_blockpool_blocks_add(blockpool); | |
5134 | } | |
5135 | exit: | |
5136 | return memblock; | |
5137 | } | |
5138 | ||
5139 | /* | |
5140 | * __vxge_hw_blockpool_free - Frees the memory allcoated with | |
5141 | __vxge_hw_blockpool_malloc | |
5142 | */ | |
5143 | void | |
5144 | __vxge_hw_blockpool_free(struct __vxge_hw_device *devh, | |
5145 | void *memblock, u32 size, | |
5146 | struct vxge_hw_mempool_dma *dma_object) | |
5147 | { | |
5148 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
5149 | struct __vxge_hw_blockpool *blockpool; | |
5150 | enum vxge_hw_status status = VXGE_HW_OK; | |
5151 | ||
5152 | blockpool = &devh->block_pool; | |
5153 | ||
5154 | if (size != blockpool->block_size) { | |
5155 | pci_unmap_single(devh->pdev, dma_object->addr, size, | |
5156 | PCI_DMA_BIDIRECTIONAL); | |
5157 | vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle); | |
5158 | } else { | |
5159 | ||
5160 | if (!list_empty(&blockpool->free_entry_list)) | |
5161 | entry = (struct __vxge_hw_blockpool_entry *) | |
5162 | list_first_entry(&blockpool->free_entry_list, | |
5163 | struct __vxge_hw_blockpool_entry, | |
5164 | item); | |
5165 | ||
5166 | if (entry == NULL) | |
5167 | entry = (struct __vxge_hw_blockpool_entry *) | |
5168 | vmalloc(sizeof( | |
5169 | struct __vxge_hw_blockpool_entry)); | |
5170 | else | |
5171 | list_del(&entry->item); | |
5172 | ||
5173 | if (entry != NULL) { | |
5174 | entry->length = size; | |
5175 | entry->memblock = memblock; | |
5176 | entry->dma_addr = dma_object->addr; | |
5177 | entry->acc_handle = dma_object->acc_handle; | |
5178 | entry->dma_handle = dma_object->handle; | |
5179 | list_add(&entry->item, | |
5180 | &blockpool->free_block_list); | |
5181 | blockpool->pool_size++; | |
5182 | status = VXGE_HW_OK; | |
5183 | } else | |
5184 | status = VXGE_HW_ERR_OUT_OF_MEMORY; | |
5185 | ||
5186 | if (status == VXGE_HW_OK) | |
5187 | __vxge_hw_blockpool_blocks_remove(blockpool); | |
5188 | } | |
40a3a915 RV |
5189 | } |
5190 | ||
5191 | /* | |
5192 | * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool | |
5193 | * This function allocates a block from block pool or from the system | |
5194 | */ | |
5195 | struct __vxge_hw_blockpool_entry * | |
5196 | __vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size) | |
5197 | { | |
5198 | struct __vxge_hw_blockpool_entry *entry = NULL; | |
5199 | struct __vxge_hw_blockpool *blockpool; | |
5200 | ||
5201 | blockpool = &devh->block_pool; | |
5202 | ||
5203 | if (size == blockpool->block_size) { | |
5204 | ||
5205 | if (!list_empty(&blockpool->free_block_list)) | |
5206 | entry = (struct __vxge_hw_blockpool_entry *) | |
5207 | list_first_entry(&blockpool->free_block_list, | |
5208 | struct __vxge_hw_blockpool_entry, | |
5209 | item); | |
5210 | ||
5211 | if (entry != NULL) { | |
5212 | list_del(&entry->item); | |
5213 | blockpool->pool_size--; | |
5214 | } | |
5215 | } | |
5216 | ||
5217 | if (entry != NULL) | |
5218 | __vxge_hw_blockpool_blocks_add(blockpool); | |
5219 | ||
5220 | return entry; | |
5221 | } | |
5222 | ||
5223 | /* | |
5224 | * __vxge_hw_blockpool_block_free - Frees a block from block pool | |
5225 | * @devh: Hal device | |
5226 | * @entry: Entry of block to be freed | |
5227 | * | |
5228 | * This function frees a block from block pool | |
5229 | */ | |
5230 | void | |
5231 | __vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh, | |
5232 | struct __vxge_hw_blockpool_entry *entry) | |
5233 | { | |
5234 | struct __vxge_hw_blockpool *blockpool; | |
5235 | ||
5236 | blockpool = &devh->block_pool; | |
5237 | ||
5238 | if (entry->length == blockpool->block_size) { | |
5239 | list_add(&entry->item, &blockpool->free_block_list); | |
5240 | blockpool->pool_size++; | |
5241 | } | |
5242 | ||
5243 | __vxge_hw_blockpool_blocks_remove(blockpool); | |
40a3a915 | 5244 | } |