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mirror of https://github.com/physwizz/a155-U-u1.git synced 2024-11-19 13:27:49 +00:00
a155-U-u1/kernel-5.10/drivers/net/ethernet/intel/ice/ice_nvm.c
2024-03-11 06:53:12 +11:00

823 lines
23 KiB
C

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, Intel Corporation. */
#include "ice_common.h"
/**
* ice_aq_read_nvm
* @hw: pointer to the HW struct
* @module_typeid: module pointer location in words from the NVM beginning
* @offset: byte offset from the module beginning
* @length: length of the section to be read (in bytes from the offset)
* @data: command buffer (size [bytes] = length)
* @last_command: tells if this is the last command in a series
* @read_shadow_ram: tell if this is a shadow RAM read
* @cd: pointer to command details structure or NULL
*
* Read the NVM using the admin queue commands (0x0701)
*/
static enum ice_status
ice_aq_read_nvm(struct ice_hw *hw, u16 module_typeid, u32 offset, u16 length,
void *data, bool last_command, bool read_shadow_ram,
struct ice_sq_cd *cd)
{
struct ice_aq_desc desc;
struct ice_aqc_nvm *cmd;
cmd = &desc.params.nvm;
if (offset > ICE_AQC_NVM_MAX_OFFSET)
return ICE_ERR_PARAM;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_read);
if (!read_shadow_ram && module_typeid == ICE_AQC_NVM_START_POINT)
cmd->cmd_flags |= ICE_AQC_NVM_FLASH_ONLY;
/* If this is the last command in a series, set the proper flag. */
if (last_command)
cmd->cmd_flags |= ICE_AQC_NVM_LAST_CMD;
cmd->module_typeid = cpu_to_le16(module_typeid);
cmd->offset_low = cpu_to_le16(offset & 0xFFFF);
cmd->offset_high = (offset >> 16) & 0xFF;
cmd->length = cpu_to_le16(length);
return ice_aq_send_cmd(hw, &desc, data, length, cd);
}
/**
* ice_read_flat_nvm - Read portion of NVM by flat offset
* @hw: pointer to the HW struct
* @offset: offset from beginning of NVM
* @length: (in) number of bytes to read; (out) number of bytes actually read
* @data: buffer to return data in (sized to fit the specified length)
* @read_shadow_ram: if true, read from shadow RAM instead of NVM
*
* Reads a portion of the NVM, as a flat memory space. This function correctly
* breaks read requests across Shadow RAM sectors and ensures that no single
* read request exceeds the maximum 4Kb read for a single AdminQ command.
*
* Returns a status code on failure. Note that the data pointer may be
* partially updated if some reads succeed before a failure.
*/
enum ice_status
ice_read_flat_nvm(struct ice_hw *hw, u32 offset, u32 *length, u8 *data,
bool read_shadow_ram)
{
enum ice_status status;
u32 inlen = *length;
u32 bytes_read = 0;
bool last_cmd;
*length = 0;
/* Verify the length of the read if this is for the Shadow RAM */
if (read_shadow_ram && ((offset + inlen) > (hw->nvm.sr_words * 2u))) {
ice_debug(hw, ICE_DBG_NVM,
"NVM error: requested offset is beyond Shadow RAM limit\n");
return ICE_ERR_PARAM;
}
do {
u32 read_size, sector_offset;
/* ice_aq_read_nvm cannot read more than 4Kb at a time.
* Additionally, a read from the Shadow RAM may not cross over
* a sector boundary. Conveniently, the sector size is also
* 4Kb.
*/
sector_offset = offset % ICE_AQ_MAX_BUF_LEN;
read_size = min_t(u32, ICE_AQ_MAX_BUF_LEN - sector_offset,
inlen - bytes_read);
last_cmd = !(bytes_read + read_size < inlen);
status = ice_aq_read_nvm(hw, ICE_AQC_NVM_START_POINT,
offset, read_size,
data + bytes_read, last_cmd,
read_shadow_ram, NULL);
if (status)
break;
bytes_read += read_size;
offset += read_size;
} while (!last_cmd);
*length = bytes_read;
return status;
}
/**
* ice_aq_update_nvm
* @hw: pointer to the HW struct
* @module_typeid: module pointer location in words from the NVM beginning
* @offset: byte offset from the module beginning
* @length: length of the section to be written (in bytes from the offset)
* @data: command buffer (size [bytes] = length)
* @last_command: tells if this is the last command in a series
* @command_flags: command parameters
* @cd: pointer to command details structure or NULL
*
* Update the NVM using the admin queue commands (0x0703)
*/
enum ice_status
ice_aq_update_nvm(struct ice_hw *hw, u16 module_typeid, u32 offset,
u16 length, void *data, bool last_command, u8 command_flags,
struct ice_sq_cd *cd)
{
struct ice_aq_desc desc;
struct ice_aqc_nvm *cmd;
cmd = &desc.params.nvm;
/* In offset the highest byte must be zeroed. */
if (offset & 0xFF000000)
return ICE_ERR_PARAM;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_write);
cmd->cmd_flags |= command_flags;
/* If this is the last command in a series, set the proper flag. */
if (last_command)
cmd->cmd_flags |= ICE_AQC_NVM_LAST_CMD;
cmd->module_typeid = cpu_to_le16(module_typeid);
cmd->offset_low = cpu_to_le16(offset & 0xFFFF);
cmd->offset_high = (offset >> 16) & 0xFF;
cmd->length = cpu_to_le16(length);
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
return ice_aq_send_cmd(hw, &desc, data, length, cd);
}
/**
* ice_aq_erase_nvm
* @hw: pointer to the HW struct
* @module_typeid: module pointer location in words from the NVM beginning
* @cd: pointer to command details structure or NULL
*
* Erase the NVM sector using the admin queue commands (0x0702)
*/
enum ice_status
ice_aq_erase_nvm(struct ice_hw *hw, u16 module_typeid, struct ice_sq_cd *cd)
{
struct ice_aq_desc desc;
struct ice_aqc_nvm *cmd;
cmd = &desc.params.nvm;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_erase);
cmd->module_typeid = cpu_to_le16(module_typeid);
cmd->length = cpu_to_le16(ICE_AQC_NVM_ERASE_LEN);
cmd->offset_low = 0;
cmd->offset_high = 0;
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_read_sr_word_aq - Reads Shadow RAM via AQ
* @hw: pointer to the HW structure
* @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
* @data: word read from the Shadow RAM
*
* Reads one 16 bit word from the Shadow RAM using ice_read_flat_nvm.
*/
static enum ice_status
ice_read_sr_word_aq(struct ice_hw *hw, u16 offset, u16 *data)
{
u32 bytes = sizeof(u16);
enum ice_status status;
__le16 data_local;
/* Note that ice_read_flat_nvm takes into account the 4Kb AdminQ and
* Shadow RAM sector restrictions necessary when reading from the NVM.
*/
status = ice_read_flat_nvm(hw, offset * sizeof(u16), &bytes,
(u8 *)&data_local, true);
if (status)
return status;
*data = le16_to_cpu(data_local);
return 0;
}
/**
* ice_acquire_nvm - Generic request for acquiring the NVM ownership
* @hw: pointer to the HW structure
* @access: NVM access type (read or write)
*
* This function will request NVM ownership.
*/
enum ice_status
ice_acquire_nvm(struct ice_hw *hw, enum ice_aq_res_access_type access)
{
if (hw->nvm.blank_nvm_mode)
return 0;
return ice_acquire_res(hw, ICE_NVM_RES_ID, access, ICE_NVM_TIMEOUT);
}
/**
* ice_release_nvm - Generic request for releasing the NVM ownership
* @hw: pointer to the HW structure
*
* This function will release NVM ownership.
*/
void ice_release_nvm(struct ice_hw *hw)
{
if (hw->nvm.blank_nvm_mode)
return;
ice_release_res(hw, ICE_NVM_RES_ID);
}
/**
* ice_read_sr_word - Reads Shadow RAM word and acquire NVM if necessary
* @hw: pointer to the HW structure
* @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
* @data: word read from the Shadow RAM
*
* Reads one 16 bit word from the Shadow RAM using the ice_read_sr_word_aq.
*/
enum ice_status ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data)
{
enum ice_status status;
status = ice_acquire_nvm(hw, ICE_RES_READ);
if (!status) {
status = ice_read_sr_word_aq(hw, offset, data);
ice_release_nvm(hw);
}
return status;
}
/**
* ice_get_pfa_module_tlv - Reads sub module TLV from NVM PFA
* @hw: pointer to hardware structure
* @module_tlv: pointer to module TLV to return
* @module_tlv_len: pointer to module TLV length to return
* @module_type: module type requested
*
* Finds the requested sub module TLV type from the Preserved Field
* Area (PFA) and returns the TLV pointer and length. The caller can
* use these to read the variable length TLV value.
*/
enum ice_status
ice_get_pfa_module_tlv(struct ice_hw *hw, u16 *module_tlv, u16 *module_tlv_len,
u16 module_type)
{
enum ice_status status;
u16 pfa_len, pfa_ptr;
u16 next_tlv;
status = ice_read_sr_word(hw, ICE_SR_PFA_PTR, &pfa_ptr);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Preserved Field Array pointer.\n");
return status;
}
status = ice_read_sr_word(hw, pfa_ptr, &pfa_len);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read PFA length.\n");
return status;
}
/* Starting with first TLV after PFA length, iterate through the list
* of TLVs to find the requested one.
*/
next_tlv = pfa_ptr + 1;
while (next_tlv < pfa_ptr + pfa_len) {
u16 tlv_sub_module_type;
u16 tlv_len;
/* Read TLV type */
status = ice_read_sr_word(hw, next_tlv, &tlv_sub_module_type);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read TLV type.\n");
break;
}
/* Read TLV length */
status = ice_read_sr_word(hw, next_tlv + 1, &tlv_len);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read TLV length.\n");
break;
}
if (tlv_sub_module_type == module_type) {
if (tlv_len) {
*module_tlv = next_tlv;
*module_tlv_len = tlv_len;
return 0;
}
return ICE_ERR_INVAL_SIZE;
}
/* Check next TLV, i.e. current TLV pointer + length + 2 words
* (for current TLV's type and length)
*/
next_tlv = next_tlv + tlv_len + 2;
}
/* Module does not exist */
return ICE_ERR_DOES_NOT_EXIST;
}
/**
* ice_read_pba_string - Reads part number string from NVM
* @hw: pointer to hardware structure
* @pba_num: stores the part number string from the NVM
* @pba_num_size: part number string buffer length
*
* Reads the part number string from the NVM.
*/
enum ice_status
ice_read_pba_string(struct ice_hw *hw, u8 *pba_num, u32 pba_num_size)
{
u16 pba_tlv, pba_tlv_len;
enum ice_status status;
u16 pba_word, pba_size;
u16 i;
status = ice_get_pfa_module_tlv(hw, &pba_tlv, &pba_tlv_len,
ICE_SR_PBA_BLOCK_PTR);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read PBA Block TLV.\n");
return status;
}
/* pba_size is the next word */
status = ice_read_sr_word(hw, (pba_tlv + 2), &pba_size);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read PBA Section size.\n");
return status;
}
if (pba_tlv_len < pba_size) {
ice_debug(hw, ICE_DBG_INIT, "Invalid PBA Block TLV size.\n");
return ICE_ERR_INVAL_SIZE;
}
/* Subtract one to get PBA word count (PBA Size word is included in
* total size)
*/
pba_size--;
if (pba_num_size < (((u32)pba_size * 2) + 1)) {
ice_debug(hw, ICE_DBG_INIT, "Buffer too small for PBA data.\n");
return ICE_ERR_PARAM;
}
for (i = 0; i < pba_size; i++) {
status = ice_read_sr_word(hw, (pba_tlv + 2 + 1) + i, &pba_word);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read PBA Block word %d.\n", i);
return status;
}
pba_num[(i * 2)] = (pba_word >> 8) & 0xFF;
pba_num[(i * 2) + 1] = pba_word & 0xFF;
}
pba_num[(pba_size * 2)] = '\0';
return status;
}
/**
* ice_get_orom_ver_info - Read Option ROM version information
* @hw: pointer to the HW struct
*
* Read the Combo Image version data from the Boot Configuration TLV and fill
* in the option ROM version data.
*/
static enum ice_status ice_get_orom_ver_info(struct ice_hw *hw)
{
u16 combo_hi, combo_lo, boot_cfg_tlv, boot_cfg_tlv_len;
struct ice_orom_info *orom = &hw->nvm.orom;
enum ice_status status;
u32 combo_ver;
status = ice_get_pfa_module_tlv(hw, &boot_cfg_tlv, &boot_cfg_tlv_len,
ICE_SR_BOOT_CFG_PTR);
if (status) {
ice_debug(hw, ICE_DBG_INIT,
"Failed to read Boot Configuration Block TLV.\n");
return status;
}
/* Boot Configuration Block must have length at least 2 words
* (Combo Image Version High and Combo Image Version Low)
*/
if (boot_cfg_tlv_len < 2) {
ice_debug(hw, ICE_DBG_INIT,
"Invalid Boot Configuration Block TLV size.\n");
return ICE_ERR_INVAL_SIZE;
}
status = ice_read_sr_word(hw, (boot_cfg_tlv + ICE_NVM_OROM_VER_OFF),
&combo_hi);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read OROM_VER hi.\n");
return status;
}
status = ice_read_sr_word(hw, (boot_cfg_tlv + ICE_NVM_OROM_VER_OFF + 1),
&combo_lo);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read OROM_VER lo.\n");
return status;
}
combo_ver = ((u32)combo_hi << 16) | combo_lo;
orom->major = (u8)((combo_ver & ICE_OROM_VER_MASK) >>
ICE_OROM_VER_SHIFT);
orom->patch = (u8)(combo_ver & ICE_OROM_VER_PATCH_MASK);
orom->build = (u16)((combo_ver & ICE_OROM_VER_BUILD_MASK) >>
ICE_OROM_VER_BUILD_SHIFT);
return 0;
}
/**
* ice_get_netlist_ver_info
* @hw: pointer to the HW struct
*
* Get the netlist version information
*/
static enum ice_status ice_get_netlist_ver_info(struct ice_hw *hw)
{
struct ice_netlist_ver_info *ver = &hw->netlist_ver;
enum ice_status ret;
u32 id_blk_start;
__le16 raw_data;
u16 data, i;
u16 *buff;
ret = ice_acquire_nvm(hw, ICE_RES_READ);
if (ret)
return ret;
buff = kcalloc(ICE_AQC_NVM_NETLIST_ID_BLK_LEN, sizeof(*buff),
GFP_KERNEL);
if (!buff) {
ret = ICE_ERR_NO_MEMORY;
goto exit_no_mem;
}
/* read module length */
ret = ice_aq_read_nvm(hw, ICE_AQC_NVM_LINK_TOPO_NETLIST_MOD_ID,
ICE_AQC_NVM_LINK_TOPO_NETLIST_LEN_OFFSET * 2,
ICE_AQC_NVM_LINK_TOPO_NETLIST_LEN, &raw_data,
false, false, NULL);
if (ret)
goto exit_error;
data = le16_to_cpu(raw_data);
/* exit if length is = 0 */
if (!data)
goto exit_error;
/* read node count */
ret = ice_aq_read_nvm(hw, ICE_AQC_NVM_LINK_TOPO_NETLIST_MOD_ID,
ICE_AQC_NVM_NETLIST_NODE_COUNT_OFFSET * 2,
ICE_AQC_NVM_NETLIST_NODE_COUNT_LEN, &raw_data,
false, false, NULL);
if (ret)
goto exit_error;
data = le16_to_cpu(raw_data) & ICE_AQC_NVM_NETLIST_NODE_COUNT_M;
/* netlist ID block starts from offset 4 + node count * 2 */
id_blk_start = ICE_AQC_NVM_NETLIST_ID_BLK_START_OFFSET + data * 2;
/* read the entire netlist ID block */
ret = ice_aq_read_nvm(hw, ICE_AQC_NVM_LINK_TOPO_NETLIST_MOD_ID,
id_blk_start * 2,
ICE_AQC_NVM_NETLIST_ID_BLK_LEN * 2, buff, false,
false, NULL);
if (ret)
goto exit_error;
for (i = 0; i < ICE_AQC_NVM_NETLIST_ID_BLK_LEN; i++)
buff[i] = le16_to_cpu(((__force __le16 *)buff)[i]);
ver->major = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_MAJOR_VER_HIGH] << 16) |
buff[ICE_AQC_NVM_NETLIST_ID_BLK_MAJOR_VER_LOW];
ver->minor = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_MINOR_VER_HIGH] << 16) |
buff[ICE_AQC_NVM_NETLIST_ID_BLK_MINOR_VER_LOW];
ver->type = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_TYPE_HIGH] << 16) |
buff[ICE_AQC_NVM_NETLIST_ID_BLK_TYPE_LOW];
ver->rev = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_REV_HIGH] << 16) |
buff[ICE_AQC_NVM_NETLIST_ID_BLK_REV_LOW];
ver->cust_ver = buff[ICE_AQC_NVM_NETLIST_ID_BLK_CUST_VER];
/* Read the left most 4 bytes of SHA */
ver->hash = buff[ICE_AQC_NVM_NETLIST_ID_BLK_SHA_HASH + 15] << 16 |
buff[ICE_AQC_NVM_NETLIST_ID_BLK_SHA_HASH + 14];
exit_error:
kfree(buff);
exit_no_mem:
ice_release_nvm(hw);
return ret;
}
/**
* ice_discover_flash_size - Discover the available flash size.
* @hw: pointer to the HW struct
*
* The device flash could be up to 16MB in size. However, it is possible that
* the actual size is smaller. Use bisection to determine the accessible size
* of flash memory.
*/
static enum ice_status ice_discover_flash_size(struct ice_hw *hw)
{
u32 min_size = 0, max_size = ICE_AQC_NVM_MAX_OFFSET + 1;
enum ice_status status;
status = ice_acquire_nvm(hw, ICE_RES_READ);
if (status)
return status;
while ((max_size - min_size) > 1) {
u32 offset = (max_size + min_size) / 2;
u32 len = 1;
u8 data;
status = ice_read_flat_nvm(hw, offset, &len, &data, false);
if (status == ICE_ERR_AQ_ERROR &&
hw->adminq.sq_last_status == ICE_AQ_RC_EINVAL) {
ice_debug(hw, ICE_DBG_NVM,
"%s: New upper bound of %u bytes\n",
__func__, offset);
status = 0;
max_size = offset;
} else if (!status) {
ice_debug(hw, ICE_DBG_NVM,
"%s: New lower bound of %u bytes\n",
__func__, offset);
min_size = offset;
} else {
/* an unexpected error occurred */
goto err_read_flat_nvm;
}
}
ice_debug(hw, ICE_DBG_NVM,
"Predicted flash size is %u bytes\n", max_size);
hw->nvm.flash_size = max_size;
err_read_flat_nvm:
ice_release_nvm(hw);
return status;
}
/**
* ice_init_nvm - initializes NVM setting
* @hw: pointer to the HW struct
*
* This function reads and populates NVM settings such as Shadow RAM size,
* max_timeout, and blank_nvm_mode
*/
enum ice_status ice_init_nvm(struct ice_hw *hw)
{
struct ice_nvm_info *nvm = &hw->nvm;
u16 eetrack_lo, eetrack_hi, ver;
enum ice_status status;
u32 fla, gens_stat;
u8 sr_size;
/* The SR size is stored regardless of the NVM programming mode
* as the blank mode may be used in the factory line.
*/
gens_stat = rd32(hw, GLNVM_GENS);
sr_size = (gens_stat & GLNVM_GENS_SR_SIZE_M) >> GLNVM_GENS_SR_SIZE_S;
/* Switching to words (sr_size contains power of 2) */
nvm->sr_words = BIT(sr_size) * ICE_SR_WORDS_IN_1KB;
/* Check if we are in the normal or blank NVM programming mode */
fla = rd32(hw, GLNVM_FLA);
if (fla & GLNVM_FLA_LOCKED_M) { /* Normal programming mode */
nvm->blank_nvm_mode = false;
} else {
/* Blank programming mode */
nvm->blank_nvm_mode = true;
ice_debug(hw, ICE_DBG_NVM,
"NVM init error: unsupported blank mode.\n");
return ICE_ERR_NVM_BLANK_MODE;
}
status = ice_read_sr_word(hw, ICE_SR_NVM_DEV_STARTER_VER, &ver);
if (status) {
ice_debug(hw, ICE_DBG_INIT,
"Failed to read DEV starter version.\n");
return status;
}
nvm->major_ver = (ver & ICE_NVM_VER_HI_MASK) >> ICE_NVM_VER_HI_SHIFT;
nvm->minor_ver = (ver & ICE_NVM_VER_LO_MASK) >> ICE_NVM_VER_LO_SHIFT;
status = ice_read_sr_word(hw, ICE_SR_NVM_EETRACK_LO, &eetrack_lo);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read EETRACK lo.\n");
return status;
}
status = ice_read_sr_word(hw, ICE_SR_NVM_EETRACK_HI, &eetrack_hi);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read EETRACK hi.\n");
return status;
}
nvm->eetrack = (eetrack_hi << 16) | eetrack_lo;
status = ice_discover_flash_size(hw);
if (status) {
ice_debug(hw, ICE_DBG_NVM,
"NVM init error: failed to discover flash size.\n");
return status;
}
switch (hw->device_id) {
/* the following devices do not have boot_cfg_tlv yet */
case ICE_DEV_ID_E823C_BACKPLANE:
case ICE_DEV_ID_E823C_QSFP:
case ICE_DEV_ID_E823C_SFP:
case ICE_DEV_ID_E823C_10G_BASE_T:
case ICE_DEV_ID_E823C_SGMII:
case ICE_DEV_ID_E822C_BACKPLANE:
case ICE_DEV_ID_E822C_QSFP:
case ICE_DEV_ID_E822C_10G_BASE_T:
case ICE_DEV_ID_E822C_SGMII:
case ICE_DEV_ID_E822C_SFP:
case ICE_DEV_ID_E822L_BACKPLANE:
case ICE_DEV_ID_E822L_SFP:
case ICE_DEV_ID_E822L_10G_BASE_T:
case ICE_DEV_ID_E822L_SGMII:
case ICE_DEV_ID_E823L_BACKPLANE:
case ICE_DEV_ID_E823L_SFP:
case ICE_DEV_ID_E823L_10G_BASE_T:
case ICE_DEV_ID_E823L_1GBE:
case ICE_DEV_ID_E823L_QSFP:
return status;
default:
break;
}
status = ice_get_orom_ver_info(hw);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read Option ROM info.\n");
return status;
}
/* read the netlist version information */
status = ice_get_netlist_ver_info(hw);
if (status)
ice_debug(hw, ICE_DBG_INIT, "Failed to read netlist info.\n");
return 0;
}
/**
* ice_nvm_validate_checksum
* @hw: pointer to the HW struct
*
* Verify NVM PFA checksum validity (0x0706)
*/
enum ice_status ice_nvm_validate_checksum(struct ice_hw *hw)
{
struct ice_aqc_nvm_checksum *cmd;
struct ice_aq_desc desc;
enum ice_status status;
status = ice_acquire_nvm(hw, ICE_RES_READ);
if (status)
return status;
cmd = &desc.params.nvm_checksum;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_checksum);
cmd->flags = ICE_AQC_NVM_CHECKSUM_VERIFY;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
ice_release_nvm(hw);
if (!status)
if (le16_to_cpu(cmd->checksum) != ICE_AQC_NVM_CHECKSUM_CORRECT)
status = ICE_ERR_NVM_CHECKSUM;
return status;
}
/**
* ice_nvm_write_activate
* @hw: pointer to the HW struct
* @cmd_flags: NVM activate admin command bits (banks to be validated)
*
* Update the control word with the required banks' validity bits
* and dumps the Shadow RAM to flash (0x0707)
*/
enum ice_status ice_nvm_write_activate(struct ice_hw *hw, u8 cmd_flags)
{
struct ice_aqc_nvm *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.nvm;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_write_activate);
cmd->cmd_flags = cmd_flags;
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_nvm_update_empr
* @hw: pointer to the HW struct
*
* Update empr (0x0709). This command allows SW to
* request an EMPR to activate new FW.
*/
enum ice_status ice_aq_nvm_update_empr(struct ice_hw *hw)
{
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_update_empr);
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/* ice_nvm_set_pkg_data
* @hw: pointer to the HW struct
* @del_pkg_data_flag: If is set then the current pkg_data store by FW
* is deleted.
* If bit is set to 1, then buffer should be size 0.
* @data: pointer to buffer
* @length: length of the buffer
* @cd: pointer to command details structure or NULL
*
* Set package data (0x070A). This command is equivalent to the reception
* of a PLDM FW Update GetPackageData cmd. This command should be sent
* as part of the NVM update as the first cmd in the flow.
*/
enum ice_status
ice_nvm_set_pkg_data(struct ice_hw *hw, bool del_pkg_data_flag, u8 *data,
u16 length, struct ice_sq_cd *cd)
{
struct ice_aqc_nvm_pkg_data *cmd;
struct ice_aq_desc desc;
if (length != 0 && !data)
return ICE_ERR_PARAM;
cmd = &desc.params.pkg_data;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_pkg_data);
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
if (del_pkg_data_flag)
cmd->cmd_flags |= ICE_AQC_NVM_PKG_DELETE;
return ice_aq_send_cmd(hw, &desc, data, length, cd);
}
/* ice_nvm_pass_component_tbl
* @hw: pointer to the HW struct
* @data: pointer to buffer
* @length: length of the buffer
* @transfer_flag: parameter for determining stage of the update
* @comp_response: a pointer to the response from the 0x070B AQC.
* @comp_response_code: a pointer to the response code from the 0x070B AQC.
* @cd: pointer to command details structure or NULL
*
* Pass component table (0x070B). This command is equivalent to the reception
* of a PLDM FW Update PassComponentTable cmd. This command should be sent once
* per component. It can be only sent after Set Package Data cmd and before
* actual update. FW will assume these commands are going to be sent until
* the TransferFlag is set to End or StartAndEnd.
*/
enum ice_status
ice_nvm_pass_component_tbl(struct ice_hw *hw, u8 *data, u16 length,
u8 transfer_flag, u8 *comp_response,
u8 *comp_response_code, struct ice_sq_cd *cd)
{
struct ice_aqc_nvm_pass_comp_tbl *cmd;
struct ice_aq_desc desc;
enum ice_status status;
if (!data || !comp_response || !comp_response_code)
return ICE_ERR_PARAM;
cmd = &desc.params.pass_comp_tbl;
ice_fill_dflt_direct_cmd_desc(&desc,
ice_aqc_opc_nvm_pass_component_tbl);
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
cmd->transfer_flag = transfer_flag;
status = ice_aq_send_cmd(hw, &desc, data, length, cd);
if (!status) {
*comp_response = cmd->component_response;
*comp_response_code = cmd->component_response_code;
}
return status;
}