struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_pf *pf = np->vsi->back;
- return (int)(pf->hw.nvm.sr_words * sizeof(u16));
+ return (int)pf->hw.nvm.flash_size;
}
static int
u8 *bytes)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
- u16 first_word, last_word, nwords;
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
enum ice_status status;
struct device *dev;
int ret = 0;
- u16 *buf;
+ u8 *buf;
dev = ice_pf_to_dev(pf);
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+ netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
+ eeprom->cmd, eeprom->offset, eeprom->len);
- first_word = eeprom->offset >> 1;
- last_word = (eeprom->offset + eeprom->len - 1) >> 1;
- nwords = last_word - first_word + 1;
-
- buf = devm_kcalloc(dev, nwords, sizeof(u16), GFP_KERNEL);
+ buf = kzalloc(eeprom->len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- status = ice_read_sr_buf(hw, first_word, &nwords, buf);
+ status = ice_acquire_nvm(hw, ICE_RES_READ);
if (status) {
- dev_err(dev, "ice_read_sr_buf failed, err %d aq_err %d\n",
+ dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %d\n",
status, hw->adminq.sq_last_status);
- eeprom->len = sizeof(u16) * nwords;
ret = -EIO;
goto out;
}
- memcpy(bytes, (u8 *)buf + (eeprom->offset & 1), eeprom->len);
+ status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
+ false);
+ if (status) {
+ dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %d\n",
+ status, hw->adminq.sq_last_status);
+ ret = -EIO;
+ goto release;
+ }
+
+ memcpy(bytes, buf, eeprom->len);
+release:
+ ice_release_nvm(hw);
out:
- devm_kfree(dev, buf);
+ kfree(buf);
return ret;
}
return status;
}
-/**
- * ice_check_sr_access_params - verify params for Shadow RAM R/W operations.
- * @hw: pointer to the HW structure
- * @offset: offset in words from module start
- * @words: number of words to access
- */
-static enum ice_status
-ice_check_sr_access_params(struct ice_hw *hw, u32 offset, u16 words)
-{
- if ((offset + words) > hw->nvm.sr_words) {
- ice_debug(hw, ICE_DBG_NVM,
- "NVM error: offset beyond SR lmt.\n");
- return ICE_ERR_PARAM;
- }
-
- if (words > ICE_SR_SECTOR_SIZE_IN_WORDS) {
- /* We can access only up to 4KB (one sector), in one AQ write */
- ice_debug(hw, ICE_DBG_NVM,
- "NVM error: tried to access %d words, limit is %d.\n",
- words, ICE_SR_SECTOR_SIZE_IN_WORDS);
- return ICE_ERR_PARAM;
- }
-
- if (((offset + (words - 1)) / ICE_SR_SECTOR_SIZE_IN_WORDS) !=
- (offset / ICE_SR_SECTOR_SIZE_IN_WORDS)) {
- /* A single access cannot spread over two sectors */
- ice_debug(hw, ICE_DBG_NVM,
- "NVM error: cannot spread over two sectors.\n");
- return ICE_ERR_PARAM;
- }
-
- return 0;
-}
-
-/**
- * ice_read_sr_aq - Read Shadow RAM.
- * @hw: pointer to the HW structure
- * @offset: offset in words from module start
- * @words: number of words to read
- * @data: storage for the words read from Shadow RAM (Little Endian)
- * @last_command: tells the AdminQ that this is the last command
- *
- * Reads 16-bit Little Endian word buffers from the Shadow RAM using the admin
- * command.
- */
-static enum ice_status
-ice_read_sr_aq(struct ice_hw *hw, u32 offset, u16 words, __le16 *data,
- bool last_command)
-{
- enum ice_status status;
-
- status = ice_check_sr_access_params(hw, offset, words);
-
- /* values in "offset" and "words" parameters are sized as words
- * (16 bits) but ice_aq_read_nvm expects these values in bytes.
- * So do this conversion while calling ice_aq_read_nvm.
- */
- if (!status)
- status = ice_aq_read_nvm(hw, 0, 2 * offset, 2 * words, data,
- last_command, true, NULL);
-
- return status;
-}
-
/**
* ice_read_sr_word_aq - Reads Shadow RAM via AQ
* @hw: pointer to the HW structure
return 0;
}
-/**
- * ice_read_sr_buf_aq - Reads Shadow RAM buf via AQ
- * @hw: pointer to the HW structure
- * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
- * @words: (in) number of words to read; (out) number of words actually read
- * @data: words read from the Shadow RAM
- *
- * Reads 16 bit words (data buf) from the SR using the ice_read_sr_aq
- * method. Ownership of the NVM is taken before reading the buffer and later
- * released.
- */
-static enum ice_status
-ice_read_sr_buf_aq(struct ice_hw *hw, u16 offset, u16 *words, u16 *data)
-{
- enum ice_status status;
- bool last_cmd = false;
- u16 words_read = 0;
- u16 i = 0;
-
- do {
- u16 read_size, off_w;
-
- /* Calculate number of bytes we should read in this step.
- * It's not allowed to read more than one page at a time or
- * to cross page boundaries.
- */
- off_w = offset % ICE_SR_SECTOR_SIZE_IN_WORDS;
- read_size = off_w ?
- min_t(u16, *words,
- (ICE_SR_SECTOR_SIZE_IN_WORDS - off_w)) :
- min_t(u16, (*words - words_read),
- ICE_SR_SECTOR_SIZE_IN_WORDS);
-
- /* Check if this is last command, if so set proper flag */
- if ((words_read + read_size) >= *words)
- last_cmd = true;
-
- status = ice_read_sr_aq(hw, offset, read_size,
- data + words_read, last_cmd);
- if (status)
- goto read_nvm_buf_aq_exit;
-
- /* Increment counter for words already read and move offset to
- * new read location
- */
- words_read += read_size;
- offset += read_size;
- } while (words_read < *words);
-
- for (i = 0; i < *words; i++)
- data[i] = le16_to_cpu(((__force __le16 *)data)[i]);
-
-read_nvm_buf_aq_exit:
- *words = words_read;
- return status;
-}
-
/**
* ice_acquire_nvm - Generic request for acquiring the NVM ownership
* @hw: pointer to the HW structure
*
* This function will request NVM ownership.
*/
-static enum ice_status
+enum ice_status
ice_acquire_nvm(struct ice_hw *hw, enum ice_aq_res_access_type access)
{
if (hw->nvm.blank_nvm_mode)
*
* This function will release NVM ownership.
*/
-static void ice_release_nvm(struct ice_hw *hw)
+void ice_release_nvm(struct ice_hw *hw)
{
if (hw->nvm.blank_nvm_mode)
return;
return 0;
}
-/**
- * ice_read_sr_buf - Reads Shadow RAM buf and acquire lock if necessary
- * @hw: pointer to the HW structure
- * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
- * @words: (in) number of words to read; (out) number of words actually read
- * @data: words read from the Shadow RAM
- *
- * Reads 16 bit words (data buf) from the SR using the ice_read_nvm_buf_aq
- * method. The buf read is preceded by the NVM ownership take
- * and followed by the release.
- */
-enum ice_status
-ice_read_sr_buf(struct ice_hw *hw, u16 offset, u16 *words, u16 *data)
-{
- enum ice_status status;
-
- status = ice_acquire_nvm(hw, ICE_RES_READ);
- if (!status) {
- status = ice_read_sr_buf_aq(hw, offset, words, data);
- ice_release_nvm(hw);
- }
-
- return status;
-}
-
/**
* ice_nvm_validate_checksum
* @hw: pointer to the HW struct
projects / users / willy / xarray.git / commitdiff