xref: /openbmc/linux/drivers/net/ethernet/intel/ice/ice_flex_pipe.c (revision 7b73a9c8e26ce5769c41d4b787767c10fe7269db)
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2019, Intel Corporation. */
3 
4 #include "ice_common.h"
5 #include "ice_flex_pipe.h"
6 
7 /**
8  * ice_pkg_val_buf
9  * @buf: pointer to the ice buffer
10  *
11  * This helper function validates a buffer's header.
12  */
13 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
14 {
15 	struct ice_buf_hdr *hdr;
16 	u16 section_count;
17 	u16 data_end;
18 
19 	hdr = (struct ice_buf_hdr *)buf->buf;
20 	/* verify data */
21 	section_count = le16_to_cpu(hdr->section_count);
22 	if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
23 		return NULL;
24 
25 	data_end = le16_to_cpu(hdr->data_end);
26 	if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
27 		return NULL;
28 
29 	return hdr;
30 }
31 
32 /**
33  * ice_find_buf_table
34  * @ice_seg: pointer to the ice segment
35  *
36  * Returns the address of the buffer table within the ice segment.
37  */
38 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
39 {
40 	struct ice_nvm_table *nvms;
41 
42 	nvms = (struct ice_nvm_table *)
43 		(ice_seg->device_table +
44 		 le32_to_cpu(ice_seg->device_table_count));
45 
46 	return (__force struct ice_buf_table *)
47 		(nvms->vers + le32_to_cpu(nvms->table_count));
48 }
49 
50 /**
51  * ice_pkg_enum_buf
52  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
53  * @state: pointer to the enum state
54  *
55  * This function will enumerate all the buffers in the ice segment. The first
56  * call is made with the ice_seg parameter non-NULL; on subsequent calls,
57  * ice_seg is set to NULL which continues the enumeration. When the function
58  * returns a NULL pointer, then the end of the buffers has been reached, or an
59  * unexpected value has been detected (for example an invalid section count or
60  * an invalid buffer end value).
61  */
62 static struct ice_buf_hdr *
63 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
64 {
65 	if (ice_seg) {
66 		state->buf_table = ice_find_buf_table(ice_seg);
67 		if (!state->buf_table)
68 			return NULL;
69 
70 		state->buf_idx = 0;
71 		return ice_pkg_val_buf(state->buf_table->buf_array);
72 	}
73 
74 	if (++state->buf_idx < le32_to_cpu(state->buf_table->buf_count))
75 		return ice_pkg_val_buf(state->buf_table->buf_array +
76 				       state->buf_idx);
77 	else
78 		return NULL;
79 }
80 
81 /**
82  * ice_pkg_advance_sect
83  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
84  * @state: pointer to the enum state
85  *
86  * This helper function will advance the section within the ice segment,
87  * also advancing the buffer if needed.
88  */
89 static bool
90 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
91 {
92 	if (!ice_seg && !state->buf)
93 		return false;
94 
95 	if (!ice_seg && state->buf)
96 		if (++state->sect_idx < le16_to_cpu(state->buf->section_count))
97 			return true;
98 
99 	state->buf = ice_pkg_enum_buf(ice_seg, state);
100 	if (!state->buf)
101 		return false;
102 
103 	/* start of new buffer, reset section index */
104 	state->sect_idx = 0;
105 	return true;
106 }
107 
108 /**
109  * ice_pkg_enum_section
110  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
111  * @state: pointer to the enum state
112  * @sect_type: section type to enumerate
113  *
114  * This function will enumerate all the sections of a particular type in the
115  * ice segment. The first call is made with the ice_seg parameter non-NULL;
116  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
117  * When the function returns a NULL pointer, then the end of the matching
118  * sections has been reached.
119  */
120 static void *
121 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
122 		     u32 sect_type)
123 {
124 	u16 offset, size;
125 
126 	if (ice_seg)
127 		state->type = sect_type;
128 
129 	if (!ice_pkg_advance_sect(ice_seg, state))
130 		return NULL;
131 
132 	/* scan for next matching section */
133 	while (state->buf->section_entry[state->sect_idx].type !=
134 	       cpu_to_le32(state->type))
135 		if (!ice_pkg_advance_sect(NULL, state))
136 			return NULL;
137 
138 	/* validate section */
139 	offset = le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
140 	if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
141 		return NULL;
142 
143 	size = le16_to_cpu(state->buf->section_entry[state->sect_idx].size);
144 	if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
145 		return NULL;
146 
147 	/* make sure the section fits in the buffer */
148 	if (offset + size > ICE_PKG_BUF_SIZE)
149 		return NULL;
150 
151 	state->sect_type =
152 		le32_to_cpu(state->buf->section_entry[state->sect_idx].type);
153 
154 	/* calc pointer to this section */
155 	state->sect = ((u8 *)state->buf) +
156 		le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
157 
158 	return state->sect;
159 }
160 
161 /**
162  * ice_acquire_global_cfg_lock
163  * @hw: pointer to the HW structure
164  * @access: access type (read or write)
165  *
166  * This function will request ownership of the global config lock for reading
167  * or writing of the package. When attempting to obtain write access, the
168  * caller must check for the following two return values:
169  *
170  * ICE_SUCCESS        - Means the caller has acquired the global config lock
171  *                      and can perform writing of the package.
172  * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
173  *                      package or has found that no update was necessary; in
174  *                      this case, the caller can just skip performing any
175  *                      update of the package.
176  */
177 static enum ice_status
178 ice_acquire_global_cfg_lock(struct ice_hw *hw,
179 			    enum ice_aq_res_access_type access)
180 {
181 	enum ice_status status;
182 
183 	status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
184 				 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
185 
186 	if (!status)
187 		mutex_lock(&ice_global_cfg_lock_sw);
188 	else if (status == ICE_ERR_AQ_NO_WORK)
189 		ice_debug(hw, ICE_DBG_PKG,
190 			  "Global config lock: No work to do\n");
191 
192 	return status;
193 }
194 
195 /**
196  * ice_release_global_cfg_lock
197  * @hw: pointer to the HW structure
198  *
199  * This function will release the global config lock.
200  */
201 static void ice_release_global_cfg_lock(struct ice_hw *hw)
202 {
203 	mutex_unlock(&ice_global_cfg_lock_sw);
204 	ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
205 }
206 
207 /**
208  * ice_aq_download_pkg
209  * @hw: pointer to the hardware structure
210  * @pkg_buf: the package buffer to transfer
211  * @buf_size: the size of the package buffer
212  * @last_buf: last buffer indicator
213  * @error_offset: returns error offset
214  * @error_info: returns error information
215  * @cd: pointer to command details structure or NULL
216  *
217  * Download Package (0x0C40)
218  */
219 static enum ice_status
220 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
221 		    u16 buf_size, bool last_buf, u32 *error_offset,
222 		    u32 *error_info, struct ice_sq_cd *cd)
223 {
224 	struct ice_aqc_download_pkg *cmd;
225 	struct ice_aq_desc desc;
226 	enum ice_status status;
227 
228 	if (error_offset)
229 		*error_offset = 0;
230 	if (error_info)
231 		*error_info = 0;
232 
233 	cmd = &desc.params.download_pkg;
234 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
235 	desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
236 
237 	if (last_buf)
238 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
239 
240 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
241 	if (status == ICE_ERR_AQ_ERROR) {
242 		/* Read error from buffer only when the FW returned an error */
243 		struct ice_aqc_download_pkg_resp *resp;
244 
245 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
246 		if (error_offset)
247 			*error_offset = le32_to_cpu(resp->error_offset);
248 		if (error_info)
249 			*error_info = le32_to_cpu(resp->error_info);
250 	}
251 
252 	return status;
253 }
254 
255 /**
256  * ice_find_seg_in_pkg
257  * @hw: pointer to the hardware structure
258  * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
259  * @pkg_hdr: pointer to the package header to be searched
260  *
261  * This function searches a package file for a particular segment type. On
262  * success it returns a pointer to the segment header, otherwise it will
263  * return NULL.
264  */
265 static struct ice_generic_seg_hdr *
266 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
267 		    struct ice_pkg_hdr *pkg_hdr)
268 {
269 	u32 i;
270 
271 	ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
272 		  pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
273 		  pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
274 
275 	/* Search all package segments for the requested segment type */
276 	for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) {
277 		struct ice_generic_seg_hdr *seg;
278 
279 		seg = (struct ice_generic_seg_hdr *)
280 			((u8 *)pkg_hdr + le32_to_cpu(pkg_hdr->seg_offset[i]));
281 
282 		if (le32_to_cpu(seg->seg_type) == seg_type)
283 			return seg;
284 	}
285 
286 	return NULL;
287 }
288 
289 /**
290  * ice_dwnld_cfg_bufs
291  * @hw: pointer to the hardware structure
292  * @bufs: pointer to an array of buffers
293  * @count: the number of buffers in the array
294  *
295  * Obtains global config lock and downloads the package configuration buffers
296  * to the firmware. Metadata buffers are skipped, and the first metadata buffer
297  * found indicates that the rest of the buffers are all metadata buffers.
298  */
299 static enum ice_status
300 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
301 {
302 	enum ice_status status;
303 	struct ice_buf_hdr *bh;
304 	u32 offset, info, i;
305 
306 	if (!bufs || !count)
307 		return ICE_ERR_PARAM;
308 
309 	/* If the first buffer's first section has its metadata bit set
310 	 * then there are no buffers to be downloaded, and the operation is
311 	 * considered a success.
312 	 */
313 	bh = (struct ice_buf_hdr *)bufs;
314 	if (le32_to_cpu(bh->section_entry[0].type) & ICE_METADATA_BUF)
315 		return 0;
316 
317 	/* reset pkg_dwnld_status in case this function is called in the
318 	 * reset/rebuild flow
319 	 */
320 	hw->pkg_dwnld_status = ICE_AQ_RC_OK;
321 
322 	status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
323 	if (status) {
324 		if (status == ICE_ERR_AQ_NO_WORK)
325 			hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
326 		else
327 			hw->pkg_dwnld_status = hw->adminq.sq_last_status;
328 		return status;
329 	}
330 
331 	for (i = 0; i < count; i++) {
332 		bool last = ((i + 1) == count);
333 
334 		if (!last) {
335 			/* check next buffer for metadata flag */
336 			bh = (struct ice_buf_hdr *)(bufs + i + 1);
337 
338 			/* A set metadata flag in the next buffer will signal
339 			 * that the current buffer will be the last buffer
340 			 * downloaded
341 			 */
342 			if (le16_to_cpu(bh->section_count))
343 				if (le32_to_cpu(bh->section_entry[0].type) &
344 				    ICE_METADATA_BUF)
345 					last = true;
346 		}
347 
348 		bh = (struct ice_buf_hdr *)(bufs + i);
349 
350 		status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
351 					     &offset, &info, NULL);
352 
353 		/* Save AQ status from download package */
354 		hw->pkg_dwnld_status = hw->adminq.sq_last_status;
355 		if (status) {
356 			ice_debug(hw, ICE_DBG_PKG,
357 				  "Pkg download failed: err %d off %d inf %d\n",
358 				  status, offset, info);
359 
360 			break;
361 		}
362 
363 		if (last)
364 			break;
365 	}
366 
367 	ice_release_global_cfg_lock(hw);
368 
369 	return status;
370 }
371 
372 /**
373  * ice_aq_get_pkg_info_list
374  * @hw: pointer to the hardware structure
375  * @pkg_info: the buffer which will receive the information list
376  * @buf_size: the size of the pkg_info information buffer
377  * @cd: pointer to command details structure or NULL
378  *
379  * Get Package Info List (0x0C43)
380  */
381 static enum ice_status
382 ice_aq_get_pkg_info_list(struct ice_hw *hw,
383 			 struct ice_aqc_get_pkg_info_resp *pkg_info,
384 			 u16 buf_size, struct ice_sq_cd *cd)
385 {
386 	struct ice_aq_desc desc;
387 
388 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
389 
390 	return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
391 }
392 
393 /**
394  * ice_download_pkg
395  * @hw: pointer to the hardware structure
396  * @ice_seg: pointer to the segment of the package to be downloaded
397  *
398  * Handles the download of a complete package.
399  */
400 static enum ice_status
401 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
402 {
403 	struct ice_buf_table *ice_buf_tbl;
404 
405 	ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
406 		  ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
407 		  ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
408 
409 	ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
410 		  le32_to_cpu(ice_seg->hdr.seg_type),
411 		  le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
412 
413 	ice_buf_tbl = ice_find_buf_table(ice_seg);
414 
415 	ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
416 		  le32_to_cpu(ice_buf_tbl->buf_count));
417 
418 	return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
419 				  le32_to_cpu(ice_buf_tbl->buf_count));
420 }
421 
422 /**
423  * ice_init_pkg_info
424  * @hw: pointer to the hardware structure
425  * @pkg_hdr: pointer to the driver's package hdr
426  *
427  * Saves off the package details into the HW structure.
428  */
429 static enum ice_status
430 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
431 {
432 	struct ice_global_metadata_seg *meta_seg;
433 	struct ice_generic_seg_hdr *seg_hdr;
434 
435 	if (!pkg_hdr)
436 		return ICE_ERR_PARAM;
437 
438 	meta_seg = (struct ice_global_metadata_seg *)
439 		   ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
440 	if (meta_seg) {
441 		hw->pkg_ver = meta_seg->pkg_ver;
442 		memcpy(hw->pkg_name, meta_seg->pkg_name, sizeof(hw->pkg_name));
443 
444 		ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
445 			  meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
446 			  meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
447 			  meta_seg->pkg_name);
448 	} else {
449 		ice_debug(hw, ICE_DBG_INIT,
450 			  "Did not find metadata segment in driver package\n");
451 		return ICE_ERR_CFG;
452 	}
453 
454 	seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
455 	if (seg_hdr) {
456 		hw->ice_pkg_ver = seg_hdr->seg_ver;
457 		memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
458 		       sizeof(hw->ice_pkg_name));
459 
460 		ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
461 			  seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
462 			  seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
463 			  seg_hdr->seg_name);
464 	} else {
465 		ice_debug(hw, ICE_DBG_INIT,
466 			  "Did not find ice segment in driver package\n");
467 		return ICE_ERR_CFG;
468 	}
469 
470 	return 0;
471 }
472 
473 /**
474  * ice_get_pkg_info
475  * @hw: pointer to the hardware structure
476  *
477  * Store details of the package currently loaded in HW into the HW structure.
478  */
479 static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
480 {
481 	struct ice_aqc_get_pkg_info_resp *pkg_info;
482 	enum ice_status status;
483 	u16 size;
484 	u32 i;
485 
486 	size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
487 				    (ICE_PKG_CNT - 1));
488 	pkg_info = kzalloc(size, GFP_KERNEL);
489 	if (!pkg_info)
490 		return ICE_ERR_NO_MEMORY;
491 
492 	status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
493 	if (status)
494 		goto init_pkg_free_alloc;
495 
496 	for (i = 0; i < le32_to_cpu(pkg_info->count); i++) {
497 #define ICE_PKG_FLAG_COUNT	4
498 		char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
499 		u8 place = 0;
500 
501 		if (pkg_info->pkg_info[i].is_active) {
502 			flags[place++] = 'A';
503 			hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
504 			memcpy(hw->active_pkg_name,
505 			       pkg_info->pkg_info[i].name,
506 			       sizeof(hw->active_pkg_name));
507 			hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
508 		}
509 		if (pkg_info->pkg_info[i].is_active_at_boot)
510 			flags[place++] = 'B';
511 		if (pkg_info->pkg_info[i].is_modified)
512 			flags[place++] = 'M';
513 		if (pkg_info->pkg_info[i].is_in_nvm)
514 			flags[place++] = 'N';
515 
516 		ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
517 			  i, pkg_info->pkg_info[i].ver.major,
518 			  pkg_info->pkg_info[i].ver.minor,
519 			  pkg_info->pkg_info[i].ver.update,
520 			  pkg_info->pkg_info[i].ver.draft,
521 			  pkg_info->pkg_info[i].name, flags);
522 	}
523 
524 init_pkg_free_alloc:
525 	kfree(pkg_info);
526 
527 	return status;
528 }
529 
530 /**
531  * ice_verify_pkg - verify package
532  * @pkg: pointer to the package buffer
533  * @len: size of the package buffer
534  *
535  * Verifies various attributes of the package file, including length, format
536  * version, and the requirement of at least one segment.
537  */
538 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
539 {
540 	u32 seg_count;
541 	u32 i;
542 
543 	if (len < sizeof(*pkg))
544 		return ICE_ERR_BUF_TOO_SHORT;
545 
546 	if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
547 	    pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
548 	    pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
549 	    pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
550 		return ICE_ERR_CFG;
551 
552 	/* pkg must have at least one segment */
553 	seg_count = le32_to_cpu(pkg->seg_count);
554 	if (seg_count < 1)
555 		return ICE_ERR_CFG;
556 
557 	/* make sure segment array fits in package length */
558 	if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
559 		return ICE_ERR_BUF_TOO_SHORT;
560 
561 	/* all segments must fit within length */
562 	for (i = 0; i < seg_count; i++) {
563 		u32 off = le32_to_cpu(pkg->seg_offset[i]);
564 		struct ice_generic_seg_hdr *seg;
565 
566 		/* segment header must fit */
567 		if (len < off + sizeof(*seg))
568 			return ICE_ERR_BUF_TOO_SHORT;
569 
570 		seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
571 
572 		/* segment body must fit */
573 		if (len < off + le32_to_cpu(seg->seg_size))
574 			return ICE_ERR_BUF_TOO_SHORT;
575 	}
576 
577 	return 0;
578 }
579 
580 /**
581  * ice_free_seg - free package segment pointer
582  * @hw: pointer to the hardware structure
583  *
584  * Frees the package segment pointer in the proper manner, depending on if the
585  * segment was allocated or just the passed in pointer was stored.
586  */
587 void ice_free_seg(struct ice_hw *hw)
588 {
589 	if (hw->pkg_copy) {
590 		devm_kfree(ice_hw_to_dev(hw), hw->pkg_copy);
591 		hw->pkg_copy = NULL;
592 		hw->pkg_size = 0;
593 	}
594 	hw->seg = NULL;
595 }
596 
597 /**
598  * ice_init_pkg_regs - initialize additional package registers
599  * @hw: pointer to the hardware structure
600  */
601 static void ice_init_pkg_regs(struct ice_hw *hw)
602 {
603 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
604 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
605 #define ICE_SW_BLK_IDX	0
606 
607 	/* setup Switch block input mask, which is 48-bits in two parts */
608 	wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
609 	wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
610 }
611 
612 /**
613  * ice_chk_pkg_version - check package version for compatibility with driver
614  * @pkg_ver: pointer to a version structure to check
615  *
616  * Check to make sure that the package about to be downloaded is compatible with
617  * the driver. To be compatible, the major and minor components of the package
618  * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
619  * definitions.
620  */
621 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
622 {
623 	if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
624 	    pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
625 		return ICE_ERR_NOT_SUPPORTED;
626 
627 	return 0;
628 }
629 
630 /**
631  * ice_init_pkg - initialize/download package
632  * @hw: pointer to the hardware structure
633  * @buf: pointer to the package buffer
634  * @len: size of the package buffer
635  *
636  * This function initializes a package. The package contains HW tables
637  * required to do packet processing. First, the function extracts package
638  * information such as version. Then it finds the ice configuration segment
639  * within the package; this function then saves a copy of the segment pointer
640  * within the supplied package buffer. Next, the function will cache any hints
641  * from the package, followed by downloading the package itself. Note, that if
642  * a previous PF driver has already downloaded the package successfully, then
643  * the current driver will not have to download the package again.
644  *
645  * The local package contents will be used to query default behavior and to
646  * update specific sections of the HW's version of the package (e.g. to update
647  * the parse graph to understand new protocols).
648  *
649  * This function stores a pointer to the package buffer memory, and it is
650  * expected that the supplied buffer will not be freed immediately. If the
651  * package buffer needs to be freed, such as when read from a file, use
652  * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
653  * case.
654  */
655 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
656 {
657 	struct ice_pkg_hdr *pkg;
658 	enum ice_status status;
659 	struct ice_seg *seg;
660 
661 	if (!buf || !len)
662 		return ICE_ERR_PARAM;
663 
664 	pkg = (struct ice_pkg_hdr *)buf;
665 	status = ice_verify_pkg(pkg, len);
666 	if (status) {
667 		ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
668 			  status);
669 		return status;
670 	}
671 
672 	/* initialize package info */
673 	status = ice_init_pkg_info(hw, pkg);
674 	if (status)
675 		return status;
676 
677 	/* before downloading the package, check package version for
678 	 * compatibility with driver
679 	 */
680 	status = ice_chk_pkg_version(&hw->pkg_ver);
681 	if (status)
682 		return status;
683 
684 	/* find segment in given package */
685 	seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
686 	if (!seg) {
687 		ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
688 		return ICE_ERR_CFG;
689 	}
690 
691 	/* download package */
692 	status = ice_download_pkg(hw, seg);
693 	if (status == ICE_ERR_AQ_NO_WORK) {
694 		ice_debug(hw, ICE_DBG_INIT,
695 			  "package previously loaded - no work.\n");
696 		status = 0;
697 	}
698 
699 	/* Get information on the package currently loaded in HW, then make sure
700 	 * the driver is compatible with this version.
701 	 */
702 	if (!status) {
703 		status = ice_get_pkg_info(hw);
704 		if (!status)
705 			status = ice_chk_pkg_version(&hw->active_pkg_ver);
706 	}
707 
708 	if (!status) {
709 		hw->seg = seg;
710 		/* on successful package download update other required
711 		 * registers to support the package and fill HW tables
712 		 * with package content.
713 		 */
714 		ice_init_pkg_regs(hw);
715 		ice_fill_blk_tbls(hw);
716 	} else {
717 		ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
718 			  status);
719 	}
720 
721 	return status;
722 }
723 
724 /**
725  * ice_copy_and_init_pkg - initialize/download a copy of the package
726  * @hw: pointer to the hardware structure
727  * @buf: pointer to the package buffer
728  * @len: size of the package buffer
729  *
730  * This function copies the package buffer, and then calls ice_init_pkg() to
731  * initialize the copied package contents.
732  *
733  * The copying is necessary if the package buffer supplied is constant, or if
734  * the memory may disappear shortly after calling this function.
735  *
736  * If the package buffer resides in the data segment and can be modified, the
737  * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
738  *
739  * However, if the package buffer needs to be copied first, such as when being
740  * read from a file, the caller should use ice_copy_and_init_pkg().
741  *
742  * This function will first copy the package buffer, before calling
743  * ice_init_pkg(). The caller is free to immediately destroy the original
744  * package buffer, as the new copy will be managed by this function and
745  * related routines.
746  */
747 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
748 {
749 	enum ice_status status;
750 	u8 *buf_copy;
751 
752 	if (!buf || !len)
753 		return ICE_ERR_PARAM;
754 
755 	buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL);
756 
757 	status = ice_init_pkg(hw, buf_copy, len);
758 	if (status) {
759 		/* Free the copy, since we failed to initialize the package */
760 		devm_kfree(ice_hw_to_dev(hw), buf_copy);
761 	} else {
762 		/* Track the copied pkg so we can free it later */
763 		hw->pkg_copy = buf_copy;
764 		hw->pkg_size = len;
765 	}
766 
767 	return status;
768 }
769 
770 /* PTG Management */
771 
772 /**
773  * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
774  * @hw: pointer to the hardware structure
775  * @blk: HW block
776  * @ptype: the ptype to search for
777  * @ptg: pointer to variable that receives the PTG
778  *
779  * This function will search the PTGs for a particular ptype, returning the
780  * PTG ID that contains it through the PTG parameter, with the value of
781  * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
782  */
783 static enum ice_status
784 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
785 {
786 	if (ptype >= ICE_XLT1_CNT || !ptg)
787 		return ICE_ERR_PARAM;
788 
789 	*ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
790 	return 0;
791 }
792 
793 /**
794  * ice_ptg_alloc_val - Allocates a new packet type group ID by value
795  * @hw: pointer to the hardware structure
796  * @blk: HW block
797  * @ptg: the PTG to allocate
798  *
799  * This function allocates a given packet type group ID specified by the PTG
800  * parameter.
801  */
802 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
803 {
804 	hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
805 }
806 
807 /**
808  * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
809  * @hw: pointer to the hardware structure
810  * @blk: HW block
811  * @ptype: the ptype to remove
812  * @ptg: the PTG to remove the ptype from
813  *
814  * This function will remove the ptype from the specific PTG, and move it to
815  * the default PTG (ICE_DEFAULT_PTG).
816  */
817 static enum ice_status
818 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
819 {
820 	struct ice_ptg_ptype **ch;
821 	struct ice_ptg_ptype *p;
822 
823 	if (ptype > ICE_XLT1_CNT - 1)
824 		return ICE_ERR_PARAM;
825 
826 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
827 		return ICE_ERR_DOES_NOT_EXIST;
828 
829 	/* Should not happen if .in_use is set, bad config */
830 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
831 		return ICE_ERR_CFG;
832 
833 	/* find the ptype within this PTG, and bypass the link over it */
834 	p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
835 	ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
836 	while (p) {
837 		if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
838 			*ch = p->next_ptype;
839 			break;
840 		}
841 
842 		ch = &p->next_ptype;
843 		p = p->next_ptype;
844 	}
845 
846 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
847 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
848 
849 	return 0;
850 }
851 
852 /**
853  * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
854  * @hw: pointer to the hardware structure
855  * @blk: HW block
856  * @ptype: the ptype to add or move
857  * @ptg: the PTG to add or move the ptype to
858  *
859  * This function will either add or move a ptype to a particular PTG depending
860  * on if the ptype is already part of another group. Note that using a
861  * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
862  * default PTG.
863  */
864 static enum ice_status
865 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
866 {
867 	enum ice_status status;
868 	u8 original_ptg;
869 
870 	if (ptype > ICE_XLT1_CNT - 1)
871 		return ICE_ERR_PARAM;
872 
873 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
874 		return ICE_ERR_DOES_NOT_EXIST;
875 
876 	status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
877 	if (status)
878 		return status;
879 
880 	/* Is ptype already in the correct PTG? */
881 	if (original_ptg == ptg)
882 		return 0;
883 
884 	/* Remove from original PTG and move back to the default PTG */
885 	if (original_ptg != ICE_DEFAULT_PTG)
886 		ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
887 
888 	/* Moving to default PTG? Then we're done with this request */
889 	if (ptg == ICE_DEFAULT_PTG)
890 		return 0;
891 
892 	/* Add ptype to PTG at beginning of list */
893 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
894 		hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
895 	hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
896 		&hw->blk[blk].xlt1.ptypes[ptype];
897 
898 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
899 	hw->blk[blk].xlt1.t[ptype] = ptg;
900 
901 	return 0;
902 }
903 
904 /* Block / table size info */
905 struct ice_blk_size_details {
906 	u16 xlt1;			/* # XLT1 entries */
907 	u16 xlt2;			/* # XLT2 entries */
908 	u16 prof_tcam;			/* # profile ID TCAM entries */
909 	u16 prof_id;			/* # profile IDs */
910 	u8 prof_cdid_bits;		/* # CDID one-hot bits used in key */
911 	u16 prof_redir;			/* # profile redirection entries */
912 	u16 es;				/* # extraction sequence entries */
913 	u16 fvw;			/* # field vector words */
914 	u8 overwrite;			/* overwrite existing entries allowed */
915 	u8 reverse;			/* reverse FV order */
916 };
917 
918 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
919 	/**
920 	 * Table Definitions
921 	 * XLT1 - Number of entries in XLT1 table
922 	 * XLT2 - Number of entries in XLT2 table
923 	 * TCAM - Number of entries Profile ID TCAM table
924 	 * CDID - Control Domain ID of the hardware block
925 	 * PRED - Number of entries in the Profile Redirection Table
926 	 * FV   - Number of entries in the Field Vector
927 	 * FVW  - Width (in WORDs) of the Field Vector
928 	 * OVR  - Overwrite existing table entries
929 	 * REV  - Reverse FV
930 	 */
931 	/*          XLT1        , XLT2        ,TCAM, PID,CDID,PRED,   FV, FVW */
932 	/*          Overwrite   , Reverse FV */
933 	/* SW  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256,   0,  256, 256,  48,
934 		    false, false },
935 	/* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  32,
936 		    false, false },
937 	/* FD  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
938 		    false, true  },
939 	/* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
940 		    true,  true  },
941 	/* PE  */ { ICE_XLT1_CNT, ICE_XLT2_CNT,  64,  32,   0,   32,  32,  24,
942 		    false, false },
943 };
944 
945 enum ice_sid_all {
946 	ICE_SID_XLT1_OFF = 0,
947 	ICE_SID_XLT2_OFF,
948 	ICE_SID_PR_OFF,
949 	ICE_SID_PR_REDIR_OFF,
950 	ICE_SID_ES_OFF,
951 	ICE_SID_OFF_COUNT,
952 };
953 
954 /* VSIG Management */
955 
956 /**
957  * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
958  * @hw: pointer to the hardware structure
959  * @blk: HW block
960  * @vsi: VSI of interest
961  * @vsig: pointer to receive the VSI group
962  *
963  * This function will lookup the VSI entry in the XLT2 list and return
964  * the VSI group its associated with.
965  */
966 static enum ice_status
967 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
968 {
969 	if (!vsig || vsi >= ICE_MAX_VSI)
970 		return ICE_ERR_PARAM;
971 
972 	/* As long as there's a default or valid VSIG associated with the input
973 	 * VSI, the functions returns a success. Any handling of VSIG will be
974 	 * done by the following add, update or remove functions.
975 	 */
976 	*vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
977 
978 	return 0;
979 }
980 
981 /**
982  * ice_vsig_alloc_val - allocate a new VSIG by value
983  * @hw: pointer to the hardware structure
984  * @blk: HW block
985  * @vsig: the VSIG to allocate
986  *
987  * This function will allocate a given VSIG specified by the VSIG parameter.
988  */
989 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
990 {
991 	u16 idx = vsig & ICE_VSIG_IDX_M;
992 
993 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
994 		INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
995 		hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
996 	}
997 
998 	return ICE_VSIG_VALUE(idx, hw->pf_id);
999 }
1000 
1001 /**
1002  * ice_vsig_remove_vsi - remove VSI from VSIG
1003  * @hw: pointer to the hardware structure
1004  * @blk: HW block
1005  * @vsi: VSI to remove
1006  * @vsig: VSI group to remove from
1007  *
1008  * The function will remove the input VSI from its VSI group and move it
1009  * to the DEFAULT_VSIG.
1010  */
1011 static enum ice_status
1012 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
1013 {
1014 	struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
1015 	u16 idx;
1016 
1017 	idx = vsig & ICE_VSIG_IDX_M;
1018 
1019 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
1020 		return ICE_ERR_PARAM;
1021 
1022 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
1023 		return ICE_ERR_DOES_NOT_EXIST;
1024 
1025 	/* entry already in default VSIG, don't have to remove */
1026 	if (idx == ICE_DEFAULT_VSIG)
1027 		return 0;
1028 
1029 	vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
1030 	if (!(*vsi_head))
1031 		return ICE_ERR_CFG;
1032 
1033 	vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
1034 	vsi_cur = (*vsi_head);
1035 
1036 	/* iterate the VSI list, skip over the entry to be removed */
1037 	while (vsi_cur) {
1038 		if (vsi_tgt == vsi_cur) {
1039 			(*vsi_head) = vsi_cur->next_vsi;
1040 			break;
1041 		}
1042 		vsi_head = &vsi_cur->next_vsi;
1043 		vsi_cur = vsi_cur->next_vsi;
1044 	}
1045 
1046 	/* verify if VSI was removed from group list */
1047 	if (!vsi_cur)
1048 		return ICE_ERR_DOES_NOT_EXIST;
1049 
1050 	vsi_cur->vsig = ICE_DEFAULT_VSIG;
1051 	vsi_cur->changed = 1;
1052 	vsi_cur->next_vsi = NULL;
1053 
1054 	return 0;
1055 }
1056 
1057 /**
1058  * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
1059  * @hw: pointer to the hardware structure
1060  * @blk: HW block
1061  * @vsi: VSI to move
1062  * @vsig: destination VSI group
1063  *
1064  * This function will move or add the input VSI to the target VSIG.
1065  * The function will find the original VSIG the VSI belongs to and
1066  * move the entry to the DEFAULT_VSIG, update the original VSIG and
1067  * then move entry to the new VSIG.
1068  */
1069 static enum ice_status
1070 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
1071 {
1072 	struct ice_vsig_vsi *tmp;
1073 	enum ice_status status;
1074 	u16 orig_vsig, idx;
1075 
1076 	idx = vsig & ICE_VSIG_IDX_M;
1077 
1078 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
1079 		return ICE_ERR_PARAM;
1080 
1081 	/* if VSIG not in use and VSIG is not default type this VSIG
1082 	 * doesn't exist.
1083 	 */
1084 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
1085 	    vsig != ICE_DEFAULT_VSIG)
1086 		return ICE_ERR_DOES_NOT_EXIST;
1087 
1088 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
1089 	if (status)
1090 		return status;
1091 
1092 	/* no update required if vsigs match */
1093 	if (orig_vsig == vsig)
1094 		return 0;
1095 
1096 	if (orig_vsig != ICE_DEFAULT_VSIG) {
1097 		/* remove entry from orig_vsig and add to default VSIG */
1098 		status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
1099 		if (status)
1100 			return status;
1101 	}
1102 
1103 	if (idx == ICE_DEFAULT_VSIG)
1104 		return 0;
1105 
1106 	/* Create VSI entry and add VSIG and prop_mask values */
1107 	hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
1108 	hw->blk[blk].xlt2.vsis[vsi].changed = 1;
1109 
1110 	/* Add new entry to the head of the VSIG list */
1111 	tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
1112 	hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
1113 		&hw->blk[blk].xlt2.vsis[vsi];
1114 	hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
1115 	hw->blk[blk].xlt2.t[vsi] = vsig;
1116 
1117 	return 0;
1118 }
1119 
1120 /* Block / table section IDs */
1121 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
1122 	/* SWITCH */
1123 	{	ICE_SID_XLT1_SW,
1124 		ICE_SID_XLT2_SW,
1125 		ICE_SID_PROFID_TCAM_SW,
1126 		ICE_SID_PROFID_REDIR_SW,
1127 		ICE_SID_FLD_VEC_SW
1128 	},
1129 
1130 	/* ACL */
1131 	{	ICE_SID_XLT1_ACL,
1132 		ICE_SID_XLT2_ACL,
1133 		ICE_SID_PROFID_TCAM_ACL,
1134 		ICE_SID_PROFID_REDIR_ACL,
1135 		ICE_SID_FLD_VEC_ACL
1136 	},
1137 
1138 	/* FD */
1139 	{	ICE_SID_XLT1_FD,
1140 		ICE_SID_XLT2_FD,
1141 		ICE_SID_PROFID_TCAM_FD,
1142 		ICE_SID_PROFID_REDIR_FD,
1143 		ICE_SID_FLD_VEC_FD
1144 	},
1145 
1146 	/* RSS */
1147 	{	ICE_SID_XLT1_RSS,
1148 		ICE_SID_XLT2_RSS,
1149 		ICE_SID_PROFID_TCAM_RSS,
1150 		ICE_SID_PROFID_REDIR_RSS,
1151 		ICE_SID_FLD_VEC_RSS
1152 	},
1153 
1154 	/* PE */
1155 	{	ICE_SID_XLT1_PE,
1156 		ICE_SID_XLT2_PE,
1157 		ICE_SID_PROFID_TCAM_PE,
1158 		ICE_SID_PROFID_REDIR_PE,
1159 		ICE_SID_FLD_VEC_PE
1160 	}
1161 };
1162 
1163 /**
1164  * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
1165  * @hw: pointer to the hardware structure
1166  * @blk: the HW block to initialize
1167  */
1168 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
1169 {
1170 	u16 pt;
1171 
1172 	for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
1173 		u8 ptg;
1174 
1175 		ptg = hw->blk[blk].xlt1.t[pt];
1176 		if (ptg != ICE_DEFAULT_PTG) {
1177 			ice_ptg_alloc_val(hw, blk, ptg);
1178 			ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
1179 		}
1180 	}
1181 }
1182 
1183 /**
1184  * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
1185  * @hw: pointer to the hardware structure
1186  * @blk: the HW block to initialize
1187  */
1188 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
1189 {
1190 	u16 vsi;
1191 
1192 	for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
1193 		u16 vsig;
1194 
1195 		vsig = hw->blk[blk].xlt2.t[vsi];
1196 		if (vsig) {
1197 			ice_vsig_alloc_val(hw, blk, vsig);
1198 			ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
1199 			/* no changes at this time, since this has been
1200 			 * initialized from the original package
1201 			 */
1202 			hw->blk[blk].xlt2.vsis[vsi].changed = 0;
1203 		}
1204 	}
1205 }
1206 
1207 /**
1208  * ice_init_sw_db - init software database from HW tables
1209  * @hw: pointer to the hardware structure
1210  */
1211 static void ice_init_sw_db(struct ice_hw *hw)
1212 {
1213 	u16 i;
1214 
1215 	for (i = 0; i < ICE_BLK_COUNT; i++) {
1216 		ice_init_sw_xlt1_db(hw, (enum ice_block)i);
1217 		ice_init_sw_xlt2_db(hw, (enum ice_block)i);
1218 	}
1219 }
1220 
1221 /**
1222  * ice_fill_tbl - Reads content of a single table type into database
1223  * @hw: pointer to the hardware structure
1224  * @block_id: Block ID of the table to copy
1225  * @sid: Section ID of the table to copy
1226  *
1227  * Will attempt to read the entire content of a given table of a single block
1228  * into the driver database. We assume that the buffer will always
1229  * be as large or larger than the data contained in the package. If
1230  * this condition is not met, there is most likely an error in the package
1231  * contents.
1232  */
1233 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
1234 {
1235 	u32 dst_len, sect_len, offset = 0;
1236 	struct ice_prof_redir_section *pr;
1237 	struct ice_prof_id_section *pid;
1238 	struct ice_xlt1_section *xlt1;
1239 	struct ice_xlt2_section *xlt2;
1240 	struct ice_sw_fv_section *es;
1241 	struct ice_pkg_enum state;
1242 	u8 *src, *dst;
1243 	void *sect;
1244 
1245 	/* if the HW segment pointer is null then the first iteration of
1246 	 * ice_pkg_enum_section() will fail. In this case the HW tables will
1247 	 * not be filled and return success.
1248 	 */
1249 	if (!hw->seg) {
1250 		ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
1251 		return;
1252 	}
1253 
1254 	memset(&state, 0, sizeof(state));
1255 
1256 	sect = ice_pkg_enum_section(hw->seg, &state, sid);
1257 
1258 	while (sect) {
1259 		switch (sid) {
1260 		case ICE_SID_XLT1_SW:
1261 		case ICE_SID_XLT1_FD:
1262 		case ICE_SID_XLT1_RSS:
1263 		case ICE_SID_XLT1_ACL:
1264 		case ICE_SID_XLT1_PE:
1265 			xlt1 = (struct ice_xlt1_section *)sect;
1266 			src = xlt1->value;
1267 			sect_len = le16_to_cpu(xlt1->count) *
1268 				sizeof(*hw->blk[block_id].xlt1.t);
1269 			dst = hw->blk[block_id].xlt1.t;
1270 			dst_len = hw->blk[block_id].xlt1.count *
1271 				sizeof(*hw->blk[block_id].xlt1.t);
1272 			break;
1273 		case ICE_SID_XLT2_SW:
1274 		case ICE_SID_XLT2_FD:
1275 		case ICE_SID_XLT2_RSS:
1276 		case ICE_SID_XLT2_ACL:
1277 		case ICE_SID_XLT2_PE:
1278 			xlt2 = (struct ice_xlt2_section *)sect;
1279 			src = (__force u8 *)xlt2->value;
1280 			sect_len = le16_to_cpu(xlt2->count) *
1281 				sizeof(*hw->blk[block_id].xlt2.t);
1282 			dst = (u8 *)hw->blk[block_id].xlt2.t;
1283 			dst_len = hw->blk[block_id].xlt2.count *
1284 				sizeof(*hw->blk[block_id].xlt2.t);
1285 			break;
1286 		case ICE_SID_PROFID_TCAM_SW:
1287 		case ICE_SID_PROFID_TCAM_FD:
1288 		case ICE_SID_PROFID_TCAM_RSS:
1289 		case ICE_SID_PROFID_TCAM_ACL:
1290 		case ICE_SID_PROFID_TCAM_PE:
1291 			pid = (struct ice_prof_id_section *)sect;
1292 			src = (u8 *)pid->entry;
1293 			sect_len = le16_to_cpu(pid->count) *
1294 				sizeof(*hw->blk[block_id].prof.t);
1295 			dst = (u8 *)hw->blk[block_id].prof.t;
1296 			dst_len = hw->blk[block_id].prof.count *
1297 				sizeof(*hw->blk[block_id].prof.t);
1298 			break;
1299 		case ICE_SID_PROFID_REDIR_SW:
1300 		case ICE_SID_PROFID_REDIR_FD:
1301 		case ICE_SID_PROFID_REDIR_RSS:
1302 		case ICE_SID_PROFID_REDIR_ACL:
1303 		case ICE_SID_PROFID_REDIR_PE:
1304 			pr = (struct ice_prof_redir_section *)sect;
1305 			src = pr->redir_value;
1306 			sect_len = le16_to_cpu(pr->count) *
1307 				sizeof(*hw->blk[block_id].prof_redir.t);
1308 			dst = hw->blk[block_id].prof_redir.t;
1309 			dst_len = hw->blk[block_id].prof_redir.count *
1310 				sizeof(*hw->blk[block_id].prof_redir.t);
1311 			break;
1312 		case ICE_SID_FLD_VEC_SW:
1313 		case ICE_SID_FLD_VEC_FD:
1314 		case ICE_SID_FLD_VEC_RSS:
1315 		case ICE_SID_FLD_VEC_ACL:
1316 		case ICE_SID_FLD_VEC_PE:
1317 			es = (struct ice_sw_fv_section *)sect;
1318 			src = (u8 *)es->fv;
1319 			sect_len = (u32)(le16_to_cpu(es->count) *
1320 					 hw->blk[block_id].es.fvw) *
1321 				sizeof(*hw->blk[block_id].es.t);
1322 			dst = (u8 *)hw->blk[block_id].es.t;
1323 			dst_len = (u32)(hw->blk[block_id].es.count *
1324 					hw->blk[block_id].es.fvw) *
1325 				sizeof(*hw->blk[block_id].es.t);
1326 			break;
1327 		default:
1328 			return;
1329 		}
1330 
1331 		/* if the section offset exceeds destination length, terminate
1332 		 * table fill.
1333 		 */
1334 		if (offset > dst_len)
1335 			return;
1336 
1337 		/* if the sum of section size and offset exceed destination size
1338 		 * then we are out of bounds of the HW table size for that PF.
1339 		 * Changing section length to fill the remaining table space
1340 		 * of that PF.
1341 		 */
1342 		if ((offset + sect_len) > dst_len)
1343 			sect_len = dst_len - offset;
1344 
1345 		memcpy(dst + offset, src, sect_len);
1346 		offset += sect_len;
1347 		sect = ice_pkg_enum_section(NULL, &state, sid);
1348 	}
1349 }
1350 
1351 /**
1352  * ice_fill_blk_tbls - Read package context for tables
1353  * @hw: pointer to the hardware structure
1354  *
1355  * Reads the current package contents and populates the driver
1356  * database with the data iteratively for all advanced feature
1357  * blocks. Assume that the HW tables have been allocated.
1358  */
1359 void ice_fill_blk_tbls(struct ice_hw *hw)
1360 {
1361 	u8 i;
1362 
1363 	for (i = 0; i < ICE_BLK_COUNT; i++) {
1364 		enum ice_block blk_id = (enum ice_block)i;
1365 
1366 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
1367 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
1368 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
1369 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
1370 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
1371 	}
1372 
1373 	ice_init_sw_db(hw);
1374 }
1375 
1376 /**
1377  * ice_free_hw_tbls - free hardware table memory
1378  * @hw: pointer to the hardware structure
1379  */
1380 void ice_free_hw_tbls(struct ice_hw *hw)
1381 {
1382 	u8 i;
1383 
1384 	for (i = 0; i < ICE_BLK_COUNT; i++) {
1385 		hw->blk[i].is_list_init = false;
1386 
1387 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptypes);
1388 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptg_tbl);
1389 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.t);
1390 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.t);
1391 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsig_tbl);
1392 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsis);
1393 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof.t);
1394 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_redir.t);
1395 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.t);
1396 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.ref_count);
1397 		devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.written);
1398 	}
1399 
1400 	memset(hw->blk, 0, sizeof(hw->blk));
1401 }
1402 
1403 /**
1404  * ice_clear_hw_tbls - clear HW tables and flow profiles
1405  * @hw: pointer to the hardware structure
1406  */
1407 void ice_clear_hw_tbls(struct ice_hw *hw)
1408 {
1409 	u8 i;
1410 
1411 	for (i = 0; i < ICE_BLK_COUNT; i++) {
1412 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
1413 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
1414 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
1415 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
1416 		struct ice_es *es = &hw->blk[i].es;
1417 
1418 		memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes));
1419 		memset(xlt1->ptg_tbl, 0,
1420 		       ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl));
1421 		memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t));
1422 
1423 		memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis));
1424 		memset(xlt2->vsig_tbl, 0,
1425 		       xlt2->count * sizeof(*xlt2->vsig_tbl));
1426 		memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t));
1427 
1428 		memset(prof->t, 0, prof->count * sizeof(*prof->t));
1429 		memset(prof_redir->t, 0,
1430 		       prof_redir->count * sizeof(*prof_redir->t));
1431 
1432 		memset(es->t, 0, es->count * sizeof(*es->t));
1433 		memset(es->ref_count, 0, es->count * sizeof(*es->ref_count));
1434 		memset(es->written, 0, es->count * sizeof(*es->written));
1435 	}
1436 }
1437 
1438 /**
1439  * ice_init_hw_tbls - init hardware table memory
1440  * @hw: pointer to the hardware structure
1441  */
1442 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
1443 {
1444 	u8 i;
1445 
1446 	for (i = 0; i < ICE_BLK_COUNT; i++) {
1447 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
1448 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
1449 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
1450 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
1451 		struct ice_es *es = &hw->blk[i].es;
1452 		u16 j;
1453 
1454 		if (hw->blk[i].is_list_init)
1455 			continue;
1456 
1457 		hw->blk[i].is_list_init = true;
1458 
1459 		hw->blk[i].overwrite = blk_sizes[i].overwrite;
1460 		es->reverse = blk_sizes[i].reverse;
1461 
1462 		xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
1463 		xlt1->count = blk_sizes[i].xlt1;
1464 
1465 		xlt1->ptypes = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
1466 					    sizeof(*xlt1->ptypes), GFP_KERNEL);
1467 
1468 		if (!xlt1->ptypes)
1469 			goto err;
1470 
1471 		xlt1->ptg_tbl = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_PTGS,
1472 					     sizeof(*xlt1->ptg_tbl),
1473 					     GFP_KERNEL);
1474 
1475 		if (!xlt1->ptg_tbl)
1476 			goto err;
1477 
1478 		xlt1->t = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
1479 				       sizeof(*xlt1->t), GFP_KERNEL);
1480 		if (!xlt1->t)
1481 			goto err;
1482 
1483 		xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
1484 		xlt2->count = blk_sizes[i].xlt2;
1485 
1486 		xlt2->vsis = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
1487 					  sizeof(*xlt2->vsis), GFP_KERNEL);
1488 
1489 		if (!xlt2->vsis)
1490 			goto err;
1491 
1492 		xlt2->vsig_tbl = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
1493 					      sizeof(*xlt2->vsig_tbl),
1494 					      GFP_KERNEL);
1495 		if (!xlt2->vsig_tbl)
1496 			goto err;
1497 
1498 		for (j = 0; j < xlt2->count; j++)
1499 			INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
1500 
1501 		xlt2->t = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
1502 				       sizeof(*xlt2->t), GFP_KERNEL);
1503 		if (!xlt2->t)
1504 			goto err;
1505 
1506 		prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
1507 		prof->count = blk_sizes[i].prof_tcam;
1508 		prof->max_prof_id = blk_sizes[i].prof_id;
1509 		prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
1510 		prof->t = devm_kcalloc(ice_hw_to_dev(hw), prof->count,
1511 				       sizeof(*prof->t), GFP_KERNEL);
1512 
1513 		if (!prof->t)
1514 			goto err;
1515 
1516 		prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
1517 		prof_redir->count = blk_sizes[i].prof_redir;
1518 		prof_redir->t = devm_kcalloc(ice_hw_to_dev(hw),
1519 					     prof_redir->count,
1520 					     sizeof(*prof_redir->t),
1521 					     GFP_KERNEL);
1522 
1523 		if (!prof_redir->t)
1524 			goto err;
1525 
1526 		es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
1527 		es->count = blk_sizes[i].es;
1528 		es->fvw = blk_sizes[i].fvw;
1529 		es->t = devm_kcalloc(ice_hw_to_dev(hw),
1530 				     (u32)(es->count * es->fvw),
1531 				     sizeof(*es->t), GFP_KERNEL);
1532 		if (!es->t)
1533 			goto err;
1534 
1535 		es->ref_count = devm_kcalloc(ice_hw_to_dev(hw), es->count,
1536 					     sizeof(*es->ref_count),
1537 					     GFP_KERNEL);
1538 
1539 		es->written = devm_kcalloc(ice_hw_to_dev(hw), es->count,
1540 					   sizeof(*es->written), GFP_KERNEL);
1541 		if (!es->ref_count)
1542 			goto err;
1543 	}
1544 	return 0;
1545 
1546 err:
1547 	ice_free_hw_tbls(hw);
1548 	return ICE_ERR_NO_MEMORY;
1549 }
1550