dev/ixl/i40e_nvm.c

62 	/* Switching to words (sr_size contains power of 2KB) */
251  * @module_pointer: module pointer location in words from the NVM beginning
252  * @offset: offset in words from module start
253  * @words: number of words to write
254  * @data: buffer with words to write to the Shadow RAM
257  * Writes a 16 bit words buffer to the Shadow RAM using the admin command.
261 					      u16 words, void *data,
277 	if ((offset + words) > hw->nvm.sr_size)
280 			   (offset + words), hw->nvm.sr_size);
281 	else if (words > I40E_SR_SECTOR_SIZE_IN_WORDS)
284 			   "NVM write fail error: tried to write %d words, limit is %d.\n",
285 			   words, I40E_SR_SECTOR_SIZE_IN_WORDS);
286 	else if (((offset + (words - 1)) / I40E_SR_SECTOR_SIZE_IN_WORDS)
290 			   "NVM write error: cannot spread over two sectors in a single write offset=%d words=%d\n",
291 			   offset, words);
295 					    2 * words,   /*bytes*/
372  * @module_ptr: Pointer to module in words with respect to NVM beginning
373  * @module_offset: Offset in words from module start
374  * @data_offset: Offset in words from reading data area start
444  * @words: (in) number of words to read; (out) number of words actually read
445  * @data: words read from the Shadow RAM
447  * Reads 16 bit words (data buffer) from the SR using the i40e_read_nvm_srrd()
452 							u16 *words, u16 *data)
460 	for (word = 0; word < *words; word++) {
467 	/* Update the number of words read from the Shadow RAM */
468 	*words = word;
477  * @words: (in) number of words to read; (out) number of words actually read
478  * @data: words read from the Shadow RAM
480  * Reads 16 bit words (data buffer) from the SR using the i40e_read_nvm_aq()
485 						     u16 *words, u16 *data)
488 	u16 read_size = *words;
501 			read_size = min(*words,
505 			read_size = min((*words - words_read),
509 		if ((words_read + read_size) >= *words)
517 		/* Increment counter for words already read and move offset to
522 	} while (words_read < *words);
524 	for (i = 0; i < *words; i++)
528 	*words = words_read;
536  * @words: (in) number of words to read; (out) number of words actually read
537  * @data: words read from the Shadow RAM
539  * Reads 16 bit words (data buffer) from the SR using the i40e_read_nvm_srrd()
544 					     u16 *words, u16 *data)
547 		return i40e_read_nvm_buffer_aq(hw, offset, words, data);
549 	return i40e_read_nvm_buffer_srctl(hw, offset, words, data);
556  * @words: (in) number of words to read; (out) number of words actually read
557  * @data: words read from the Shadow RAM
559  * Reads 16 bit words (data buffer) from the SR using the i40e_read_nvm_srrd()
564 					   u16 *words, u16 *data)
571 			ret_code = i40e_read_nvm_buffer_aq(hw, offset, words,
576 		ret_code = i40e_read_nvm_buffer_srctl(hw, offset, words, data);
585  * @module_pointer: module pointer location in words from the NVM beginning
586  * @offset: offset in words from module start
587  * @words: number of words to write
588  * @data: buffer with words to write to the Shadow RAM
591  * Writes a 16 bit words buffer to the Shadow RAM using the admin command.
594 					u32 offset, u16 words, void *data,
610 	if ((offset + words) > hw->nvm.sr_size)
612 	else if (words > I40E_SR_SECTOR_SIZE_IN_WORDS)
615 	else if (((offset + (words - 1)) / I40E_SR_SECTOR_SIZE_IN_WORDS)
622 					      2 * words,   /*bytes*/
654  * @module_pointer: module pointer location in words from the NVM beginning
656  * @words: number of words to write
657  * @data: words to write to the Shadow RAM
659  * Writes a 16 bit words buffer to the Shadow RAM using the admin command.
666 					      u16 words, void *data)
674 	for (i = 0; i < words; i++)
680 	return i40e_write_nvm_aq(hw, module_pointer, offset, words,
733 			u16 words = I40E_SR_SECTOR_SIZE_IN_WORDS;
735 			ret_code = __i40e_read_nvm_buffer(hw, i, &words, data);