b4a7ce0690
Update the iflib version of ixl driver based on the OOT version ixl-1.11.29. Major changes: - Extract iflib specific functions from ixl_pf_main.c to ixl_pf_iflib.c to simplify code sharing between legacy and iflib version of driver - Add support for most recent FW API version (1.10), which extends FW LLDP Agent control by user to X722 devices - Improve handling of device global reset - Add support for the FW recovery mode - Use virtchnl function to validate virtual channel messages instead of using separate checks - Fix MAC/VLAN filters accounting Submitted by: Krzysztof Galazka <krzysztof.galazka@intel.com> Reviewed by: erj@ Tested by: Jeffrey Pieper <jeffrey.e.pieper@intel.com> MFC after: 1 week Relnotes: yes Sponsored by: Intel Corporation Differential Revision: https://reviews.freebsd.org/D24564
1822 lines
54 KiB
C
1822 lines
54 KiB
C
/******************************************************************************
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Copyright (c) 2013-2018, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************/
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/*$FreeBSD$*/
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#include "i40e_prototype.h"
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/**
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* i40e_init_nvm_ops - Initialize NVM function pointers
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* @hw: pointer to the HW structure
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*
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* Setup the function pointers and the NVM info structure. Should be called
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* once per NVM initialization, e.g. inside the i40e_init_shared_code().
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* Please notice that the NVM term is used here (& in all methods covered
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* in this file) as an equivalent of the FLASH part mapped into the SR.
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* We are accessing FLASH always through the Shadow RAM.
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**/
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enum i40e_status_code i40e_init_nvm(struct i40e_hw *hw)
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{
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struct i40e_nvm_info *nvm = &hw->nvm;
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enum i40e_status_code ret_code = I40E_SUCCESS;
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u32 fla, gens;
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u8 sr_size;
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DEBUGFUNC("i40e_init_nvm");
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/* The SR size is stored regardless of the nvm programming mode
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* as the blank mode may be used in the factory line.
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*/
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gens = rd32(hw, I40E_GLNVM_GENS);
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sr_size = ((gens & I40E_GLNVM_GENS_SR_SIZE_MASK) >>
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I40E_GLNVM_GENS_SR_SIZE_SHIFT);
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/* Switching to words (sr_size contains power of 2KB) */
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nvm->sr_size = BIT(sr_size) * I40E_SR_WORDS_IN_1KB;
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/* Check if we are in the normal or blank NVM programming mode */
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fla = rd32(hw, I40E_GLNVM_FLA);
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if (fla & I40E_GLNVM_FLA_LOCKED_MASK) { /* Normal programming mode */
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/* Max NVM timeout */
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nvm->timeout = I40E_MAX_NVM_TIMEOUT;
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nvm->blank_nvm_mode = FALSE;
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} else { /* Blank programming mode */
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nvm->blank_nvm_mode = TRUE;
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ret_code = I40E_ERR_NVM_BLANK_MODE;
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i40e_debug(hw, I40E_DEBUG_NVM, "NVM init error: unsupported blank mode.\n");
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}
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return ret_code;
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}
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/**
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* i40e_acquire_nvm - Generic request for acquiring the NVM ownership
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* @hw: pointer to the HW structure
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* @access: NVM access type (read or write)
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*
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* This function will request NVM ownership for reading
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* via the proper Admin Command.
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**/
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enum i40e_status_code i40e_acquire_nvm(struct i40e_hw *hw,
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enum i40e_aq_resource_access_type access)
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{
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enum i40e_status_code ret_code = I40E_SUCCESS;
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u64 gtime, timeout;
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u64 time_left = 0;
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DEBUGFUNC("i40e_acquire_nvm");
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if (hw->nvm.blank_nvm_mode)
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goto i40e_i40e_acquire_nvm_exit;
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ret_code = i40e_aq_request_resource(hw, I40E_NVM_RESOURCE_ID, access,
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0, &time_left, NULL);
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/* Reading the Global Device Timer */
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gtime = rd32(hw, I40E_GLVFGEN_TIMER);
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/* Store the timeout */
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hw->nvm.hw_semaphore_timeout = I40E_MS_TO_GTIME(time_left) + gtime;
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if (ret_code)
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i40e_debug(hw, I40E_DEBUG_NVM,
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"NVM acquire type %d failed time_left=%llu ret=%d aq_err=%d\n",
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access, time_left, ret_code, hw->aq.asq_last_status);
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if (ret_code && time_left) {
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/* Poll until the current NVM owner timeouts */
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timeout = I40E_MS_TO_GTIME(I40E_MAX_NVM_TIMEOUT) + gtime;
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while ((gtime < timeout) && time_left) {
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i40e_msec_delay(10);
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gtime = rd32(hw, I40E_GLVFGEN_TIMER);
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ret_code = i40e_aq_request_resource(hw,
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I40E_NVM_RESOURCE_ID,
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access, 0, &time_left,
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NULL);
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if (ret_code == I40E_SUCCESS) {
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hw->nvm.hw_semaphore_timeout =
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I40E_MS_TO_GTIME(time_left) + gtime;
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break;
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}
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}
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if (ret_code != I40E_SUCCESS) {
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hw->nvm.hw_semaphore_timeout = 0;
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i40e_debug(hw, I40E_DEBUG_NVM,
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"NVM acquire timed out, wait %llu ms before trying again. status=%d aq_err=%d\n",
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time_left, ret_code, hw->aq.asq_last_status);
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}
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}
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i40e_i40e_acquire_nvm_exit:
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return ret_code;
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}
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/**
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* i40e_release_nvm - Generic request for releasing the NVM ownership
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* @hw: pointer to the HW structure
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*
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* This function will release NVM resource via the proper Admin Command.
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**/
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void i40e_release_nvm(struct i40e_hw *hw)
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{
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enum i40e_status_code ret_code = I40E_SUCCESS;
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u32 total_delay = 0;
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DEBUGFUNC("i40e_release_nvm");
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if (hw->nvm.blank_nvm_mode)
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return;
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ret_code = i40e_aq_release_resource(hw, I40E_NVM_RESOURCE_ID, 0, NULL);
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/* there are some rare cases when trying to release the resource
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* results in an admin Q timeout, so handle them correctly
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*/
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while ((ret_code == I40E_ERR_ADMIN_QUEUE_TIMEOUT) &&
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(total_delay < hw->aq.asq_cmd_timeout)) {
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i40e_msec_delay(1);
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ret_code = i40e_aq_release_resource(hw,
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I40E_NVM_RESOURCE_ID, 0, NULL);
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total_delay++;
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}
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}
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/**
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* i40e_poll_sr_srctl_done_bit - Polls the GLNVM_SRCTL done bit
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* @hw: pointer to the HW structure
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*
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* Polls the SRCTL Shadow RAM register done bit.
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**/
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static enum i40e_status_code i40e_poll_sr_srctl_done_bit(struct i40e_hw *hw)
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{
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enum i40e_status_code ret_code = I40E_ERR_TIMEOUT;
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u32 srctl, wait_cnt;
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DEBUGFUNC("i40e_poll_sr_srctl_done_bit");
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/* Poll the I40E_GLNVM_SRCTL until the done bit is set */
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for (wait_cnt = 0; wait_cnt < I40E_SRRD_SRCTL_ATTEMPTS; wait_cnt++) {
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srctl = rd32(hw, I40E_GLNVM_SRCTL);
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if (srctl & I40E_GLNVM_SRCTL_DONE_MASK) {
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ret_code = I40E_SUCCESS;
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break;
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}
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i40e_usec_delay(5);
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}
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if (ret_code == I40E_ERR_TIMEOUT)
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i40e_debug(hw, I40E_DEBUG_NVM, "Done bit in GLNVM_SRCTL not set");
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return ret_code;
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}
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/**
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* i40e_read_nvm_word_srctl - Reads Shadow RAM via SRCTL register
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* @hw: pointer to the HW structure
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* @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
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* @data: word read from the Shadow RAM
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*
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* Reads one 16 bit word from the Shadow RAM using the GLNVM_SRCTL register.
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**/
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enum i40e_status_code i40e_read_nvm_word_srctl(struct i40e_hw *hw, u16 offset,
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u16 *data)
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{
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enum i40e_status_code ret_code = I40E_ERR_TIMEOUT;
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u32 sr_reg;
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DEBUGFUNC("i40e_read_nvm_word_srctl");
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if (offset >= hw->nvm.sr_size) {
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i40e_debug(hw, I40E_DEBUG_NVM,
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"NVM read error: Offset %d beyond Shadow RAM limit %d\n",
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offset, hw->nvm.sr_size);
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ret_code = I40E_ERR_PARAM;
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goto read_nvm_exit;
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}
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/* Poll the done bit first */
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ret_code = i40e_poll_sr_srctl_done_bit(hw);
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if (ret_code == I40E_SUCCESS) {
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/* Write the address and start reading */
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sr_reg = ((u32)offset << I40E_GLNVM_SRCTL_ADDR_SHIFT) |
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BIT(I40E_GLNVM_SRCTL_START_SHIFT);
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wr32(hw, I40E_GLNVM_SRCTL, sr_reg);
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/* Poll I40E_GLNVM_SRCTL until the done bit is set */
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ret_code = i40e_poll_sr_srctl_done_bit(hw);
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if (ret_code == I40E_SUCCESS) {
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sr_reg = rd32(hw, I40E_GLNVM_SRDATA);
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*data = (u16)((sr_reg &
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I40E_GLNVM_SRDATA_RDDATA_MASK)
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>> I40E_GLNVM_SRDATA_RDDATA_SHIFT);
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}
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}
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if (ret_code != I40E_SUCCESS)
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i40e_debug(hw, I40E_DEBUG_NVM,
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"NVM read error: Couldn't access Shadow RAM address: 0x%x\n",
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offset);
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read_nvm_exit:
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return ret_code;
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}
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/**
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* i40e_read_nvm_aq - Read Shadow RAM.
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* @hw: pointer to the HW structure.
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* @module_pointer: module pointer location in words from the NVM beginning
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* @offset: offset in words from module start
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* @words: number of words to write
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* @data: buffer with words to write to the Shadow RAM
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* @last_command: tells the AdminQ that this is the last command
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*
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* Writes a 16 bit words buffer to the Shadow RAM using the admin command.
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**/
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static enum i40e_status_code i40e_read_nvm_aq(struct i40e_hw *hw,
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u8 module_pointer, u32 offset,
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u16 words, void *data,
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bool last_command)
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{
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enum i40e_status_code ret_code = I40E_ERR_NVM;
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struct i40e_asq_cmd_details cmd_details;
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DEBUGFUNC("i40e_read_nvm_aq");
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memset(&cmd_details, 0, sizeof(cmd_details));
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cmd_details.wb_desc = &hw->nvm_wb_desc;
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/* Here we are checking the SR limit only for the flat memory model.
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* We cannot do it for the module-based model, as we did not acquire
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* the NVM resource yet (we cannot get the module pointer value).
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* Firmware will check the module-based model.
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*/
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if ((offset + words) > hw->nvm.sr_size)
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i40e_debug(hw, I40E_DEBUG_NVM,
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"NVM write error: offset %d beyond Shadow RAM limit %d\n",
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(offset + words), hw->nvm.sr_size);
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else if (words > I40E_SR_SECTOR_SIZE_IN_WORDS)
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/* We can write only up to 4KB (one sector), in one AQ write */
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i40e_debug(hw, I40E_DEBUG_NVM,
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"NVM write fail error: tried to write %d words, limit is %d.\n",
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words, I40E_SR_SECTOR_SIZE_IN_WORDS);
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else if (((offset + (words - 1)) / I40E_SR_SECTOR_SIZE_IN_WORDS)
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!= (offset / I40E_SR_SECTOR_SIZE_IN_WORDS))
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/* A single write cannot spread over two sectors */
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i40e_debug(hw, I40E_DEBUG_NVM,
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"NVM write error: cannot spread over two sectors in a single write offset=%d words=%d\n",
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offset, words);
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else
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ret_code = i40e_aq_read_nvm(hw, module_pointer,
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2 * offset, /*bytes*/
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2 * words, /*bytes*/
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data, last_command, &cmd_details);
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return ret_code;
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}
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/**
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* i40e_read_nvm_word_aq - Reads Shadow RAM via AQ
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* @hw: pointer to the HW structure
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* @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
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* @data: word read from the Shadow RAM
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*
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* Reads one 16 bit word from the Shadow RAM using the AdminQ
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**/
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static enum i40e_status_code i40e_read_nvm_word_aq(struct i40e_hw *hw, u16 offset,
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u16 *data)
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{
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enum i40e_status_code ret_code = I40E_ERR_TIMEOUT;
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DEBUGFUNC("i40e_read_nvm_word_aq");
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ret_code = i40e_read_nvm_aq(hw, 0x0, offset, 1, data, TRUE);
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*data = LE16_TO_CPU(*(__le16 *)data);
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return ret_code;
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}
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/**
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* __i40e_read_nvm_word - Reads NVM word, assumes caller does the locking
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* @hw: pointer to the HW structure
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* @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
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* @data: word read from the Shadow RAM
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*
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* Reads one 16 bit word from the Shadow RAM.
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*
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* Do not use this function except in cases where the nvm lock is already
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* taken via i40e_acquire_nvm().
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**/
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enum i40e_status_code __i40e_read_nvm_word(struct i40e_hw *hw,
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u16 offset,
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u16 *data)
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{
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if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE)
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return i40e_read_nvm_word_aq(hw, offset, data);
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return i40e_read_nvm_word_srctl(hw, offset, data);
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}
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/**
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* i40e_read_nvm_word - Reads NVM word, acquires lock if necessary
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* @hw: pointer to the HW structure
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* @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF)
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* @data: word read from the Shadow RAM
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*
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* Reads one 16 bit word from the Shadow RAM.
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**/
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enum i40e_status_code i40e_read_nvm_word(struct i40e_hw *hw, u16 offset,
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u16 *data)
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{
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enum i40e_status_code ret_code = I40E_SUCCESS;
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if (hw->flags & I40E_HW_FLAG_NVM_READ_REQUIRES_LOCK)
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ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
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if (ret_code)
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return ret_code;
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ret_code = __i40e_read_nvm_word(hw, offset, data);
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if (hw->flags & I40E_HW_FLAG_NVM_READ_REQUIRES_LOCK)
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i40e_release_nvm(hw);
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return ret_code;
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}
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/**
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* i40e_read_nvm_module_data - Reads NVM Buffer to specified memory location
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* @hw: Pointer to the HW structure
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* @module_ptr: Pointer to module in words with respect to NVM beginning
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* @module_offset: Offset in words from module start
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* @data_offset: Offset in words from reading data area start
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* @words_data_size: Words to read from NVM
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* @data_ptr: Pointer to memory location where resulting buffer will be stored
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**/
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enum i40e_status_code
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i40e_read_nvm_module_data(struct i40e_hw *hw, u8 module_ptr, u16 module_offset,
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u16 data_offset, u16 words_data_size, u16 *data_ptr)
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{
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enum i40e_status_code status;
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u16 specific_ptr = 0;
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u16 ptr_value = 0;
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u16 offset = 0;
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if (module_ptr != 0) {
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status = i40e_read_nvm_word(hw, module_ptr, &ptr_value);
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if (status != I40E_SUCCESS) {
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i40e_debug(hw, I40E_DEBUG_ALL,
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"Reading nvm word failed.Error code: %d.\n",
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status);
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return I40E_ERR_NVM;
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}
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}
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#define I40E_NVM_INVALID_PTR_VAL 0x7FFF
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#define I40E_NVM_INVALID_VAL 0xFFFF
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|
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/* Pointer not initialized */
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if (ptr_value == I40E_NVM_INVALID_PTR_VAL ||
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ptr_value == I40E_NVM_INVALID_VAL) {
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i40e_debug(hw, I40E_DEBUG_ALL, "Pointer not initialized.\n");
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return I40E_ERR_BAD_PTR;
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}
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|
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/* Check whether the module is in SR mapped area or outside */
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if (ptr_value & I40E_PTR_TYPE) {
|
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/* Pointer points outside of the Shared RAM mapped area */
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i40e_debug(hw, I40E_DEBUG_ALL,
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"Reading nvm data failed. Pointer points outside of the Shared RAM mapped area.\n");
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|
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return I40E_ERR_PARAM;
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} else {
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/* Read from the Shadow RAM */
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status = i40e_read_nvm_word(hw, ptr_value + module_offset,
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&specific_ptr);
|
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if (status != I40E_SUCCESS) {
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i40e_debug(hw, I40E_DEBUG_ALL,
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"Reading nvm word failed.Error code: %d.\n",
|
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status);
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return I40E_ERR_NVM;
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}
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|
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offset = ptr_value + module_offset + specific_ptr +
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data_offset;
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|
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status = i40e_read_nvm_buffer(hw, offset, &words_data_size,
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data_ptr);
|
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if (status != I40E_SUCCESS) {
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i40e_debug(hw, I40E_DEBUG_ALL,
|
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"Reading nvm buffer failed.Error code: %d.\n",
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status);
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_read_nvm_buffer_srctl - Reads Shadow RAM buffer via SRCTL register
|
|
* @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 buffer) from the SR using the i40e_read_nvm_srrd()
|
|
* method. The buffer read is preceded by the NVM ownership take
|
|
* and followed by the release.
|
|
**/
|
|
static enum i40e_status_code i40e_read_nvm_buffer_srctl(struct i40e_hw *hw, u16 offset,
|
|
u16 *words, u16 *data)
|
|
{
|
|
enum i40e_status_code ret_code = I40E_SUCCESS;
|
|
u16 index, word;
|
|
|
|
DEBUGFUNC("i40e_read_nvm_buffer_srctl");
|
|
|
|
/* Loop through the selected region */
|
|
for (word = 0; word < *words; word++) {
|
|
index = offset + word;
|
|
ret_code = i40e_read_nvm_word_srctl(hw, index, &data[word]);
|
|
if (ret_code != I40E_SUCCESS)
|
|
break;
|
|
}
|
|
|
|
/* Update the number of words read from the Shadow RAM */
|
|
*words = word;
|
|
|
|
return ret_code;
|
|
}
|
|
|
|
/**
|
|
* i40e_read_nvm_buffer_aq - Reads Shadow RAM buffer 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 buffer) from the SR using the i40e_read_nvm_aq()
|
|
* method. The buffer read is preceded by the NVM ownership take
|
|
* and followed by the release.
|
|
**/
|
|
static enum i40e_status_code i40e_read_nvm_buffer_aq(struct i40e_hw *hw, u16 offset,
|
|
u16 *words, u16 *data)
|
|
{
|
|
enum i40e_status_code ret_code;
|
|
u16 read_size = *words;
|
|
bool last_cmd = FALSE;
|
|
u16 words_read = 0;
|
|
u16 i = 0;
|
|
|
|
DEBUGFUNC("i40e_read_nvm_buffer_aq");
|
|
|
|
do {
|
|
/* Calculate number of bytes we should read in this step.
|
|
* FVL AQ do not allow to read more than one page at a time or
|
|
* to cross page boundaries.
|
|
*/
|
|
if (offset % I40E_SR_SECTOR_SIZE_IN_WORDS)
|
|
read_size = min(*words,
|
|
(u16)(I40E_SR_SECTOR_SIZE_IN_WORDS -
|
|
(offset % I40E_SR_SECTOR_SIZE_IN_WORDS)));
|
|
else
|
|
read_size = min((*words - words_read),
|
|
I40E_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;
|
|
|
|
ret_code = i40e_read_nvm_aq(hw, 0x0, offset, read_size,
|
|
data + words_read, last_cmd);
|
|
if (ret_code != I40E_SUCCESS)
|
|
goto read_nvm_buffer_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(((__le16 *)data)[i]);
|
|
|
|
read_nvm_buffer_aq_exit:
|
|
*words = words_read;
|
|
return ret_code;
|
|
}
|
|
|
|
/**
|
|
* __i40e_read_nvm_buffer - Reads NVM buffer, caller must acquire lock
|
|
* @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 buffer) from the SR using the i40e_read_nvm_srrd()
|
|
* method.
|
|
**/
|
|
enum i40e_status_code __i40e_read_nvm_buffer(struct i40e_hw *hw,
|
|
u16 offset,
|
|
u16 *words, u16 *data)
|
|
{
|
|
if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE)
|
|
return i40e_read_nvm_buffer_aq(hw, offset, words, data);
|
|
|
|
return i40e_read_nvm_buffer_srctl(hw, offset, words, data);
|
|
}
|
|
|
|
/**
|
|
* i40e_read_nvm_buffer - Reads Shadow RAM buffer 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 buffer) from the SR using the i40e_read_nvm_srrd()
|
|
* method. The buffer read is preceded by the NVM ownership take
|
|
* and followed by the release.
|
|
**/
|
|
enum i40e_status_code i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset,
|
|
u16 *words, u16 *data)
|
|
{
|
|
enum i40e_status_code ret_code = I40E_SUCCESS;
|
|
|
|
if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) {
|
|
ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
|
|
if (!ret_code) {
|
|
ret_code = i40e_read_nvm_buffer_aq(hw, offset, words,
|
|
data);
|
|
i40e_release_nvm(hw);
|
|
}
|
|
} else {
|
|
ret_code = i40e_read_nvm_buffer_srctl(hw, offset, words, data);
|
|
}
|
|
|
|
return ret_code;
|
|
}
|
|
|
|
/**
|
|
* i40e_write_nvm_aq - Writes Shadow RAM.
|
|
* @hw: pointer to the HW structure.
|
|
* @module_pointer: module pointer location in words from the NVM beginning
|
|
* @offset: offset in words from module start
|
|
* @words: number of words to write
|
|
* @data: buffer with words to write to the Shadow RAM
|
|
* @last_command: tells the AdminQ that this is the last command
|
|
*
|
|
* Writes a 16 bit words buffer to the Shadow RAM using the admin command.
|
|
**/
|
|
enum i40e_status_code i40e_write_nvm_aq(struct i40e_hw *hw, u8 module_pointer,
|
|
u32 offset, u16 words, void *data,
|
|
bool last_command)
|
|
{
|
|
enum i40e_status_code ret_code = I40E_ERR_NVM;
|
|
struct i40e_asq_cmd_details cmd_details;
|
|
|
|
DEBUGFUNC("i40e_write_nvm_aq");
|
|
|
|
memset(&cmd_details, 0, sizeof(cmd_details));
|
|
cmd_details.wb_desc = &hw->nvm_wb_desc;
|
|
|
|
/* Here we are checking the SR limit only for the flat memory model.
|
|
* We cannot do it for the module-based model, as we did not acquire
|
|
* the NVM resource yet (we cannot get the module pointer value).
|
|
* Firmware will check the module-based model.
|
|
*/
|
|
if ((offset + words) > hw->nvm.sr_size)
|
|
DEBUGOUT("NVM write error: offset beyond Shadow RAM limit.\n");
|
|
else if (words > I40E_SR_SECTOR_SIZE_IN_WORDS)
|
|
/* We can write only up to 4KB (one sector), in one AQ write */
|
|
DEBUGOUT("NVM write fail error: cannot write more than 4KB in a single write.\n");
|
|
else if (((offset + (words - 1)) / I40E_SR_SECTOR_SIZE_IN_WORDS)
|
|
!= (offset / I40E_SR_SECTOR_SIZE_IN_WORDS))
|
|
/* A single write cannot spread over two sectors */
|
|
DEBUGOUT("NVM write error: cannot spread over two sectors in a single write.\n");
|
|
else
|
|
ret_code = i40e_aq_update_nvm(hw, module_pointer,
|
|
2 * offset, /*bytes*/
|
|
2 * words, /*bytes*/
|
|
data, last_command, 0,
|
|
&cmd_details);
|
|
|
|
return ret_code;
|
|
}
|
|
|
|
/**
|
|
* __i40e_write_nvm_word - Writes Shadow RAM word
|
|
* @hw: pointer to the HW structure
|
|
* @offset: offset of the Shadow RAM word to write
|
|
* @data: word to write to the Shadow RAM
|
|
*
|
|
* Writes a 16 bit word to the SR using the i40e_write_nvm_aq() method.
|
|
* NVM ownership have to be acquired and released (on ARQ completion event
|
|
* reception) by caller. To commit SR to NVM update checksum function
|
|
* should be called.
|
|
**/
|
|
enum i40e_status_code __i40e_write_nvm_word(struct i40e_hw *hw, u32 offset,
|
|
void *data)
|
|
{
|
|
DEBUGFUNC("i40e_write_nvm_word");
|
|
|
|
*((__le16 *)data) = CPU_TO_LE16(*((u16 *)data));
|
|
|
|
/* Value 0x00 below means that we treat SR as a flat mem */
|
|
return i40e_write_nvm_aq(hw, 0x00, offset, 1, data, FALSE);
|
|
}
|
|
|
|
/**
|
|
* __i40e_write_nvm_buffer - Writes Shadow RAM buffer
|
|
* @hw: pointer to the HW structure
|
|
* @module_pointer: module pointer location in words from the NVM beginning
|
|
* @offset: offset of the Shadow RAM buffer to write
|
|
* @words: number of words to write
|
|
* @data: words to write to the Shadow RAM
|
|
*
|
|
* Writes a 16 bit words buffer to the Shadow RAM using the admin command.
|
|
* NVM ownership must be acquired before calling this function and released
|
|
* on ARQ completion event reception by caller. To commit SR to NVM update
|
|
* checksum function should be called.
|
|
**/
|
|
enum i40e_status_code __i40e_write_nvm_buffer(struct i40e_hw *hw,
|
|
u8 module_pointer, u32 offset,
|
|
u16 words, void *data)
|
|
{
|
|
__le16 *le_word_ptr = (__le16 *)data;
|
|
u16 *word_ptr = (u16 *)data;
|
|
u32 i = 0;
|
|
|
|
DEBUGFUNC("i40e_write_nvm_buffer");
|
|
|
|
for (i = 0; i < words; i++)
|
|
le_word_ptr[i] = CPU_TO_LE16(word_ptr[i]);
|
|
|
|
/* Here we will only write one buffer as the size of the modules
|
|
* mirrored in the Shadow RAM is always less than 4K.
|
|
*/
|
|
return i40e_write_nvm_aq(hw, module_pointer, offset, words,
|
|
data, FALSE);
|
|
}
|
|
|
|
/**
|
|
* i40e_calc_nvm_checksum - Calculates and returns the checksum
|
|
* @hw: pointer to hardware structure
|
|
* @checksum: pointer to the checksum
|
|
*
|
|
* This function calculates SW Checksum that covers the whole 64kB shadow RAM
|
|
* except the VPD and PCIe ALT Auto-load modules. The structure and size of VPD
|
|
* is customer specific and unknown. Therefore, this function skips all maximum
|
|
* possible size of VPD (1kB).
|
|
**/
|
|
enum i40e_status_code i40e_calc_nvm_checksum(struct i40e_hw *hw, u16 *checksum)
|
|
{
|
|
enum i40e_status_code ret_code = I40E_SUCCESS;
|
|
struct i40e_virt_mem vmem;
|
|
u16 pcie_alt_module = 0;
|
|
u16 checksum_local = 0;
|
|
u16 vpd_module = 0;
|
|
u16 *data;
|
|
u16 i = 0;
|
|
|
|
DEBUGFUNC("i40e_calc_nvm_checksum");
|
|
|
|
ret_code = i40e_allocate_virt_mem(hw, &vmem,
|
|
I40E_SR_SECTOR_SIZE_IN_WORDS * sizeof(u16));
|
|
if (ret_code)
|
|
goto i40e_calc_nvm_checksum_exit;
|
|
data = (u16 *)vmem.va;
|
|
|
|
/* read pointer to VPD area */
|
|
ret_code = __i40e_read_nvm_word(hw, I40E_SR_VPD_PTR, &vpd_module);
|
|
if (ret_code != I40E_SUCCESS) {
|
|
ret_code = I40E_ERR_NVM_CHECKSUM;
|
|
goto i40e_calc_nvm_checksum_exit;
|
|
}
|
|
|
|
/* read pointer to PCIe Alt Auto-load module */
|
|
ret_code = __i40e_read_nvm_word(hw, I40E_SR_PCIE_ALT_AUTO_LOAD_PTR,
|
|
&pcie_alt_module);
|
|
if (ret_code != I40E_SUCCESS) {
|
|
ret_code = I40E_ERR_NVM_CHECKSUM;
|
|
goto i40e_calc_nvm_checksum_exit;
|
|
}
|
|
|
|
/* Calculate SW checksum that covers the whole 64kB shadow RAM
|
|
* except the VPD and PCIe ALT Auto-load modules
|
|
*/
|
|
for (i = 0; i < hw->nvm.sr_size; i++) {
|
|
/* Read SR page */
|
|
if ((i % I40E_SR_SECTOR_SIZE_IN_WORDS) == 0) {
|
|
u16 words = I40E_SR_SECTOR_SIZE_IN_WORDS;
|
|
|
|
ret_code = __i40e_read_nvm_buffer(hw, i, &words, data);
|
|
if (ret_code != I40E_SUCCESS) {
|
|
ret_code = I40E_ERR_NVM_CHECKSUM;
|
|
goto i40e_calc_nvm_checksum_exit;
|
|
}
|
|
}
|
|
|
|
/* Skip Checksum word */
|
|
if (i == I40E_SR_SW_CHECKSUM_WORD)
|
|
continue;
|
|
/* Skip VPD module (convert byte size to word count) */
|
|
if ((i >= (u32)vpd_module) &&
|
|
(i < ((u32)vpd_module +
|
|
(I40E_SR_VPD_MODULE_MAX_SIZE / 2)))) {
|
|
continue;
|
|
}
|
|
/* Skip PCIe ALT module (convert byte size to word count) */
|
|
if ((i >= (u32)pcie_alt_module) &&
|
|
(i < ((u32)pcie_alt_module +
|
|
(I40E_SR_PCIE_ALT_MODULE_MAX_SIZE / 2)))) {
|
|
continue;
|
|
}
|
|
|
|
checksum_local += data[i % I40E_SR_SECTOR_SIZE_IN_WORDS];
|
|
}
|
|
|
|
*checksum = (u16)I40E_SR_SW_CHECKSUM_BASE - checksum_local;
|
|
|
|
i40e_calc_nvm_checksum_exit:
|
|
i40e_free_virt_mem(hw, &vmem);
|
|
return ret_code;
|
|
}
|
|
|
|
/**
|
|
* i40e_update_nvm_checksum - Updates the NVM checksum
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* NVM ownership must be acquired before calling this function and released
|
|
* on ARQ completion event reception by caller.
|
|
* This function will commit SR to NVM.
|
|
**/
|
|
enum i40e_status_code i40e_update_nvm_checksum(struct i40e_hw *hw)
|
|
{
|
|
enum i40e_status_code ret_code = I40E_SUCCESS;
|
|
u16 checksum;
|
|
__le16 le_sum;
|
|
|
|
DEBUGFUNC("i40e_update_nvm_checksum");
|
|
|
|
ret_code = i40e_calc_nvm_checksum(hw, &checksum);
|
|
le_sum = CPU_TO_LE16(checksum);
|
|
if (ret_code == I40E_SUCCESS)
|
|
ret_code = i40e_write_nvm_aq(hw, 0x00, I40E_SR_SW_CHECKSUM_WORD,
|
|
1, &le_sum, TRUE);
|
|
|
|
return ret_code;
|
|
}
|
|
|
|
/**
|
|
* i40e_validate_nvm_checksum - Validate EEPROM checksum
|
|
* @hw: pointer to hardware structure
|
|
* @checksum: calculated checksum
|
|
*
|
|
* Performs checksum calculation and validates the NVM SW checksum. If the
|
|
* caller does not need checksum, the value can be NULL.
|
|
**/
|
|
enum i40e_status_code i40e_validate_nvm_checksum(struct i40e_hw *hw,
|
|
u16 *checksum)
|
|
{
|
|
enum i40e_status_code ret_code = I40E_SUCCESS;
|
|
u16 checksum_sr = 0;
|
|
u16 checksum_local = 0;
|
|
|
|
DEBUGFUNC("i40e_validate_nvm_checksum");
|
|
|
|
/* We must acquire the NVM lock in order to correctly synchronize the
|
|
* NVM accesses across multiple PFs. Without doing so it is possible
|
|
* for one of the PFs to read invalid data potentially indicating that
|
|
* the checksum is invalid.
|
|
*/
|
|
ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
|
|
if (ret_code)
|
|
return ret_code;
|
|
ret_code = i40e_calc_nvm_checksum(hw, &checksum_local);
|
|
__i40e_read_nvm_word(hw, I40E_SR_SW_CHECKSUM_WORD, &checksum_sr);
|
|
i40e_release_nvm(hw);
|
|
if (ret_code)
|
|
return ret_code;
|
|
|
|
/* Verify read checksum from EEPROM is the same as
|
|
* calculated checksum
|
|
*/
|
|
if (checksum_local != checksum_sr)
|
|
ret_code = I40E_ERR_NVM_CHECKSUM;
|
|
|
|
/* If the user cares, return the calculated checksum */
|
|
if (checksum)
|
|
*checksum = checksum_local;
|
|
|
|
return ret_code;
|
|
}
|
|
|
|
static enum i40e_status_code i40e_nvmupd_state_init(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_state_reading(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_state_writing(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_nvm_erase(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_nvm_write(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_nvm_read(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_exec_aq(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_get_aq_result(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static enum i40e_status_code i40e_nvmupd_get_aq_event(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno);
|
|
static INLINE u8 i40e_nvmupd_get_module(u32 val)
|
|
{
|
|
return (u8)(val & I40E_NVM_MOD_PNT_MASK);
|
|
}
|
|
static INLINE u8 i40e_nvmupd_get_transaction(u32 val)
|
|
{
|
|
return (u8)((val & I40E_NVM_TRANS_MASK) >> I40E_NVM_TRANS_SHIFT);
|
|
}
|
|
|
|
static INLINE u8 i40e_nvmupd_get_preservation_flags(u32 val)
|
|
{
|
|
return (u8)((val & I40E_NVM_PRESERVATION_FLAGS_MASK) >>
|
|
I40E_NVM_PRESERVATION_FLAGS_SHIFT);
|
|
}
|
|
|
|
static const char *i40e_nvm_update_state_str[] = {
|
|
"I40E_NVMUPD_INVALID",
|
|
"I40E_NVMUPD_READ_CON",
|
|
"I40E_NVMUPD_READ_SNT",
|
|
"I40E_NVMUPD_READ_LCB",
|
|
"I40E_NVMUPD_READ_SA",
|
|
"I40E_NVMUPD_WRITE_ERA",
|
|
"I40E_NVMUPD_WRITE_CON",
|
|
"I40E_NVMUPD_WRITE_SNT",
|
|
"I40E_NVMUPD_WRITE_LCB",
|
|
"I40E_NVMUPD_WRITE_SA",
|
|
"I40E_NVMUPD_CSUM_CON",
|
|
"I40E_NVMUPD_CSUM_SA",
|
|
"I40E_NVMUPD_CSUM_LCB",
|
|
"I40E_NVMUPD_STATUS",
|
|
"I40E_NVMUPD_EXEC_AQ",
|
|
"I40E_NVMUPD_GET_AQ_RESULT",
|
|
"I40E_NVMUPD_GET_AQ_EVENT",
|
|
"I40E_NVMUPD_GET_FEATURES",
|
|
};
|
|
|
|
/**
|
|
* i40e_nvmupd_command - Process an NVM update command
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* Dispatches command depending on what update state is current
|
|
**/
|
|
enum i40e_status_code i40e_nvmupd_command(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
enum i40e_status_code status;
|
|
enum i40e_nvmupd_cmd upd_cmd;
|
|
|
|
DEBUGFUNC("i40e_nvmupd_command");
|
|
|
|
/* assume success */
|
|
*perrno = 0;
|
|
|
|
/* early check for status command and debug msgs */
|
|
upd_cmd = i40e_nvmupd_validate_command(hw, cmd, perrno);
|
|
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "%s state %d nvm_release_on_hold %d opc 0x%04x cmd 0x%08x config 0x%08x offset 0x%08x data_size 0x%08x\n",
|
|
i40e_nvm_update_state_str[upd_cmd],
|
|
hw->nvmupd_state,
|
|
hw->nvm_release_on_done, hw->nvm_wait_opcode,
|
|
cmd->command, cmd->config, cmd->offset, cmd->data_size);
|
|
|
|
if (upd_cmd == I40E_NVMUPD_INVALID) {
|
|
*perrno = -EFAULT;
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_validate_command returns %d errno %d\n",
|
|
upd_cmd, *perrno);
|
|
}
|
|
|
|
/* a status request returns immediately rather than
|
|
* going into the state machine
|
|
*/
|
|
if (upd_cmd == I40E_NVMUPD_STATUS) {
|
|
if (!cmd->data_size) {
|
|
*perrno = -EFAULT;
|
|
return I40E_ERR_BUF_TOO_SHORT;
|
|
}
|
|
|
|
bytes[0] = hw->nvmupd_state;
|
|
|
|
if (cmd->data_size >= 4) {
|
|
bytes[1] = 0;
|
|
*((u16 *)&bytes[2]) = hw->nvm_wait_opcode;
|
|
}
|
|
|
|
/* Clear error status on read */
|
|
if (hw->nvmupd_state == I40E_NVMUPD_STATE_ERROR)
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
|
|
return I40E_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* A supported features request returns immediately
|
|
* rather than going into state machine
|
|
*/
|
|
if (upd_cmd == I40E_NVMUPD_FEATURES) {
|
|
if (cmd->data_size < hw->nvmupd_features.size) {
|
|
*perrno = -EFAULT;
|
|
return I40E_ERR_BUF_TOO_SHORT;
|
|
}
|
|
|
|
/*
|
|
* If buffer is bigger than i40e_nvmupd_features structure,
|
|
* make sure the trailing bytes are set to 0x0.
|
|
*/
|
|
if (cmd->data_size > hw->nvmupd_features.size)
|
|
i40e_memset(bytes + hw->nvmupd_features.size, 0x0,
|
|
cmd->data_size - hw->nvmupd_features.size,
|
|
I40E_NONDMA_MEM);
|
|
|
|
i40e_memcpy(bytes, &hw->nvmupd_features,
|
|
hw->nvmupd_features.size, I40E_NONDMA_MEM);
|
|
|
|
return I40E_SUCCESS;
|
|
}
|
|
|
|
/* Clear status even it is not read and log */
|
|
if (hw->nvmupd_state == I40E_NVMUPD_STATE_ERROR) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"Clearing I40E_NVMUPD_STATE_ERROR state without reading\n");
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
}
|
|
|
|
/* Acquire lock to prevent race condition where adminq_task
|
|
* can execute after i40e_nvmupd_nvm_read/write but before state
|
|
* variables (nvm_wait_opcode, nvm_release_on_done) are updated.
|
|
*
|
|
* During NVMUpdate, it is observed that lock could be held for
|
|
* ~5ms for most commands. However lock is held for ~60ms for
|
|
* NVMUPD_CSUM_LCB command.
|
|
*/
|
|
i40e_acquire_spinlock(&hw->aq.arq_spinlock);
|
|
switch (hw->nvmupd_state) {
|
|
case I40E_NVMUPD_STATE_INIT:
|
|
status = i40e_nvmupd_state_init(hw, cmd, bytes, perrno);
|
|
break;
|
|
|
|
case I40E_NVMUPD_STATE_READING:
|
|
status = i40e_nvmupd_state_reading(hw, cmd, bytes, perrno);
|
|
break;
|
|
|
|
case I40E_NVMUPD_STATE_WRITING:
|
|
status = i40e_nvmupd_state_writing(hw, cmd, bytes, perrno);
|
|
break;
|
|
|
|
case I40E_NVMUPD_STATE_INIT_WAIT:
|
|
case I40E_NVMUPD_STATE_WRITE_WAIT:
|
|
/* if we need to stop waiting for an event, clear
|
|
* the wait info and return before doing anything else
|
|
*/
|
|
if (cmd->offset == 0xffff) {
|
|
i40e_nvmupd_clear_wait_state(hw);
|
|
status = I40E_SUCCESS;
|
|
break;
|
|
}
|
|
|
|
status = I40E_ERR_NOT_READY;
|
|
*perrno = -EBUSY;
|
|
break;
|
|
|
|
default:
|
|
/* invalid state, should never happen */
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"NVMUPD: no such state %d\n", hw->nvmupd_state);
|
|
status = I40E_NOT_SUPPORTED;
|
|
*perrno = -ESRCH;
|
|
break;
|
|
}
|
|
|
|
i40e_release_spinlock(&hw->aq.arq_spinlock);
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_state_init - Handle NVM update state Init
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* Process legitimate commands of the Init state and conditionally set next
|
|
* state. Reject all other commands.
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_state_init(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
enum i40e_status_code status = I40E_SUCCESS;
|
|
enum i40e_nvmupd_cmd upd_cmd;
|
|
|
|
DEBUGFUNC("i40e_nvmupd_state_init");
|
|
|
|
upd_cmd = i40e_nvmupd_validate_command(hw, cmd, perrno);
|
|
|
|
switch (upd_cmd) {
|
|
case I40E_NVMUPD_READ_SA:
|
|
status = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
|
|
if (status) {
|
|
*perrno = i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status);
|
|
} else {
|
|
status = i40e_nvmupd_nvm_read(hw, cmd, bytes, perrno);
|
|
i40e_release_nvm(hw);
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_READ_SNT:
|
|
status = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
|
|
if (status) {
|
|
*perrno = i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status);
|
|
} else {
|
|
status = i40e_nvmupd_nvm_read(hw, cmd, bytes, perrno);
|
|
if (status)
|
|
i40e_release_nvm(hw);
|
|
else
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_READING;
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_WRITE_ERA:
|
|
status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE);
|
|
if (status) {
|
|
*perrno = i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status);
|
|
} else {
|
|
status = i40e_nvmupd_nvm_erase(hw, cmd, perrno);
|
|
if (status) {
|
|
i40e_release_nvm(hw);
|
|
} else {
|
|
hw->nvm_release_on_done = TRUE;
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_erase;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_WRITE_SA:
|
|
status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE);
|
|
if (status) {
|
|
*perrno = i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status);
|
|
} else {
|
|
status = i40e_nvmupd_nvm_write(hw, cmd, bytes, perrno);
|
|
if (status) {
|
|
i40e_release_nvm(hw);
|
|
} else {
|
|
hw->nvm_release_on_done = TRUE;
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_WRITE_SNT:
|
|
status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE);
|
|
if (status) {
|
|
*perrno = i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status);
|
|
} else {
|
|
status = i40e_nvmupd_nvm_write(hw, cmd, bytes, perrno);
|
|
if (status) {
|
|
i40e_release_nvm(hw);
|
|
} else {
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITE_WAIT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_CSUM_SA:
|
|
status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE);
|
|
if (status) {
|
|
*perrno = i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status);
|
|
} else {
|
|
status = i40e_update_nvm_checksum(hw);
|
|
if (status) {
|
|
*perrno = hw->aq.asq_last_status ?
|
|
i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status) :
|
|
-EIO;
|
|
i40e_release_nvm(hw);
|
|
} else {
|
|
hw->nvm_release_on_done = TRUE;
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_EXEC_AQ:
|
|
status = i40e_nvmupd_exec_aq(hw, cmd, bytes, perrno);
|
|
break;
|
|
|
|
case I40E_NVMUPD_GET_AQ_RESULT:
|
|
status = i40e_nvmupd_get_aq_result(hw, cmd, bytes, perrno);
|
|
break;
|
|
|
|
case I40E_NVMUPD_GET_AQ_EVENT:
|
|
status = i40e_nvmupd_get_aq_event(hw, cmd, bytes, perrno);
|
|
break;
|
|
|
|
default:
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"NVMUPD: bad cmd %s in init state\n",
|
|
i40e_nvm_update_state_str[upd_cmd]);
|
|
status = I40E_ERR_NVM;
|
|
*perrno = -ESRCH;
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_state_reading - Handle NVM update state Reading
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* NVM ownership is already held. Process legitimate commands and set any
|
|
* change in state; reject all other commands.
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_state_reading(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
enum i40e_status_code status = I40E_SUCCESS;
|
|
enum i40e_nvmupd_cmd upd_cmd;
|
|
|
|
DEBUGFUNC("i40e_nvmupd_state_reading");
|
|
|
|
upd_cmd = i40e_nvmupd_validate_command(hw, cmd, perrno);
|
|
|
|
switch (upd_cmd) {
|
|
case I40E_NVMUPD_READ_SA:
|
|
case I40E_NVMUPD_READ_CON:
|
|
status = i40e_nvmupd_nvm_read(hw, cmd, bytes, perrno);
|
|
break;
|
|
|
|
case I40E_NVMUPD_READ_LCB:
|
|
status = i40e_nvmupd_nvm_read(hw, cmd, bytes, perrno);
|
|
i40e_release_nvm(hw);
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
break;
|
|
|
|
default:
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"NVMUPD: bad cmd %s in reading state.\n",
|
|
i40e_nvm_update_state_str[upd_cmd]);
|
|
status = I40E_NOT_SUPPORTED;
|
|
*perrno = -ESRCH;
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_state_writing - Handle NVM update state Writing
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* NVM ownership is already held. Process legitimate commands and set any
|
|
* change in state; reject all other commands
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_state_writing(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
enum i40e_status_code status = I40E_SUCCESS;
|
|
enum i40e_nvmupd_cmd upd_cmd;
|
|
bool retry_attempt = FALSE;
|
|
|
|
DEBUGFUNC("i40e_nvmupd_state_writing");
|
|
|
|
upd_cmd = i40e_nvmupd_validate_command(hw, cmd, perrno);
|
|
|
|
retry:
|
|
switch (upd_cmd) {
|
|
case I40E_NVMUPD_WRITE_CON:
|
|
status = i40e_nvmupd_nvm_write(hw, cmd, bytes, perrno);
|
|
if (!status) {
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITE_WAIT;
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_WRITE_LCB:
|
|
status = i40e_nvmupd_nvm_write(hw, cmd, bytes, perrno);
|
|
if (status) {
|
|
*perrno = hw->aq.asq_last_status ?
|
|
i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status) :
|
|
-EIO;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
} else {
|
|
hw->nvm_release_on_done = TRUE;
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_CSUM_CON:
|
|
/* Assumes the caller has acquired the nvm */
|
|
status = i40e_update_nvm_checksum(hw);
|
|
if (status) {
|
|
*perrno = hw->aq.asq_last_status ?
|
|
i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status) :
|
|
-EIO;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
} else {
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITE_WAIT;
|
|
}
|
|
break;
|
|
|
|
case I40E_NVMUPD_CSUM_LCB:
|
|
/* Assumes the caller has acquired the nvm */
|
|
status = i40e_update_nvm_checksum(hw);
|
|
if (status) {
|
|
*perrno = hw->aq.asq_last_status ?
|
|
i40e_aq_rc_to_posix(status,
|
|
hw->aq.asq_last_status) :
|
|
-EIO;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
} else {
|
|
hw->nvm_release_on_done = TRUE;
|
|
hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"NVMUPD: bad cmd %s in writing state.\n",
|
|
i40e_nvm_update_state_str[upd_cmd]);
|
|
status = I40E_NOT_SUPPORTED;
|
|
*perrno = -ESRCH;
|
|
break;
|
|
}
|
|
|
|
/* In some circumstances, a multi-write transaction takes longer
|
|
* than the default 3 minute timeout on the write semaphore. If
|
|
* the write failed with an EBUSY status, this is likely the problem,
|
|
* so here we try to reacquire the semaphore then retry the write.
|
|
* We only do one retry, then give up.
|
|
*/
|
|
if (status && (hw->aq.asq_last_status == I40E_AQ_RC_EBUSY) &&
|
|
!retry_attempt) {
|
|
enum i40e_status_code old_status = status;
|
|
u32 old_asq_status = hw->aq.asq_last_status;
|
|
u32 gtime;
|
|
|
|
gtime = rd32(hw, I40E_GLVFGEN_TIMER);
|
|
if (gtime >= hw->nvm.hw_semaphore_timeout) {
|
|
i40e_debug(hw, I40E_DEBUG_ALL,
|
|
"NVMUPD: write semaphore expired (%d >= %lld), retrying\n",
|
|
gtime, hw->nvm.hw_semaphore_timeout);
|
|
i40e_release_nvm(hw);
|
|
status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE);
|
|
if (status) {
|
|
i40e_debug(hw, I40E_DEBUG_ALL,
|
|
"NVMUPD: write semaphore reacquire failed aq_err = %d\n",
|
|
hw->aq.asq_last_status);
|
|
status = old_status;
|
|
hw->aq.asq_last_status = old_asq_status;
|
|
} else {
|
|
retry_attempt = TRUE;
|
|
goto retry;
|
|
}
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_clear_wait_state - clear wait state on hw
|
|
* @hw: pointer to the hardware structure
|
|
**/
|
|
void i40e_nvmupd_clear_wait_state(struct i40e_hw *hw)
|
|
{
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"NVMUPD: clearing wait on opcode 0x%04x\n",
|
|
hw->nvm_wait_opcode);
|
|
|
|
if (hw->nvm_release_on_done) {
|
|
i40e_release_nvm(hw);
|
|
hw->nvm_release_on_done = FALSE;
|
|
}
|
|
hw->nvm_wait_opcode = 0;
|
|
|
|
if (hw->aq.arq_last_status) {
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_ERROR;
|
|
return;
|
|
}
|
|
|
|
switch (hw->nvmupd_state) {
|
|
case I40E_NVMUPD_STATE_INIT_WAIT:
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
|
|
break;
|
|
|
|
case I40E_NVMUPD_STATE_WRITE_WAIT:
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITING;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_check_wait_event - handle NVM update operation events
|
|
* @hw: pointer to the hardware structure
|
|
* @opcode: the event that just happened
|
|
* @desc: AdminQ descriptor
|
|
**/
|
|
void i40e_nvmupd_check_wait_event(struct i40e_hw *hw, u16 opcode,
|
|
struct i40e_aq_desc *desc)
|
|
{
|
|
u32 aq_desc_len = sizeof(struct i40e_aq_desc);
|
|
|
|
if (opcode == hw->nvm_wait_opcode) {
|
|
i40e_memcpy(&hw->nvm_aq_event_desc, desc,
|
|
aq_desc_len, I40E_NONDMA_TO_NONDMA);
|
|
i40e_nvmupd_clear_wait_state(hw);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_validate_command - Validate given command
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* Return one of the valid command types or I40E_NVMUPD_INVALID
|
|
**/
|
|
static enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
int *perrno)
|
|
{
|
|
enum i40e_nvmupd_cmd upd_cmd;
|
|
u8 module, transaction;
|
|
|
|
DEBUGFUNC("i40e_nvmupd_validate_command\n");
|
|
|
|
/* anything that doesn't match a recognized case is an error */
|
|
upd_cmd = I40E_NVMUPD_INVALID;
|
|
|
|
transaction = i40e_nvmupd_get_transaction(cmd->config);
|
|
module = i40e_nvmupd_get_module(cmd->config);
|
|
|
|
/* limits on data size */
|
|
if ((cmd->data_size < 1) ||
|
|
(cmd->data_size > I40E_NVMUPD_MAX_DATA)) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_validate_command data_size %d\n",
|
|
cmd->data_size);
|
|
*perrno = -EFAULT;
|
|
return I40E_NVMUPD_INVALID;
|
|
}
|
|
|
|
switch (cmd->command) {
|
|
case I40E_NVM_READ:
|
|
switch (transaction) {
|
|
case I40E_NVM_CON:
|
|
upd_cmd = I40E_NVMUPD_READ_CON;
|
|
break;
|
|
case I40E_NVM_SNT:
|
|
upd_cmd = I40E_NVMUPD_READ_SNT;
|
|
break;
|
|
case I40E_NVM_LCB:
|
|
upd_cmd = I40E_NVMUPD_READ_LCB;
|
|
break;
|
|
case I40E_NVM_SA:
|
|
upd_cmd = I40E_NVMUPD_READ_SA;
|
|
break;
|
|
case I40E_NVM_EXEC:
|
|
switch (module) {
|
|
case I40E_NVM_EXEC_GET_AQ_RESULT:
|
|
upd_cmd = I40E_NVMUPD_GET_AQ_RESULT;
|
|
break;
|
|
case I40E_NVM_EXEC_FEATURES:
|
|
upd_cmd = I40E_NVMUPD_FEATURES;
|
|
break;
|
|
case I40E_NVM_EXEC_STATUS:
|
|
upd_cmd = I40E_NVMUPD_STATUS;
|
|
break;
|
|
default:
|
|
*perrno = -EFAULT;
|
|
return I40E_NVMUPD_INVALID;
|
|
}
|
|
break;
|
|
case I40E_NVM_AQE:
|
|
upd_cmd = I40E_NVMUPD_GET_AQ_EVENT;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case I40E_NVM_WRITE:
|
|
switch (transaction) {
|
|
case I40E_NVM_CON:
|
|
upd_cmd = I40E_NVMUPD_WRITE_CON;
|
|
break;
|
|
case I40E_NVM_SNT:
|
|
upd_cmd = I40E_NVMUPD_WRITE_SNT;
|
|
break;
|
|
case I40E_NVM_LCB:
|
|
upd_cmd = I40E_NVMUPD_WRITE_LCB;
|
|
break;
|
|
case I40E_NVM_SA:
|
|
upd_cmd = I40E_NVMUPD_WRITE_SA;
|
|
break;
|
|
case I40E_NVM_ERA:
|
|
upd_cmd = I40E_NVMUPD_WRITE_ERA;
|
|
break;
|
|
case I40E_NVM_CSUM:
|
|
upd_cmd = I40E_NVMUPD_CSUM_CON;
|
|
break;
|
|
case (I40E_NVM_CSUM|I40E_NVM_SA):
|
|
upd_cmd = I40E_NVMUPD_CSUM_SA;
|
|
break;
|
|
case (I40E_NVM_CSUM|I40E_NVM_LCB):
|
|
upd_cmd = I40E_NVMUPD_CSUM_LCB;
|
|
break;
|
|
case I40E_NVM_EXEC:
|
|
if (module == 0)
|
|
upd_cmd = I40E_NVMUPD_EXEC_AQ;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return upd_cmd;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_exec_aq - Run an AQ command
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* cmd structure contains identifiers and data buffer
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_exec_aq(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
struct i40e_asq_cmd_details cmd_details;
|
|
enum i40e_status_code status;
|
|
struct i40e_aq_desc *aq_desc;
|
|
u32 buff_size = 0;
|
|
u8 *buff = NULL;
|
|
u32 aq_desc_len;
|
|
u32 aq_data_len;
|
|
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "NVMUPD: %s\n", __func__);
|
|
if (cmd->offset == 0xffff)
|
|
return I40E_SUCCESS;
|
|
|
|
memset(&cmd_details, 0, sizeof(cmd_details));
|
|
cmd_details.wb_desc = &hw->nvm_wb_desc;
|
|
|
|
aq_desc_len = sizeof(struct i40e_aq_desc);
|
|
memset(&hw->nvm_wb_desc, 0, aq_desc_len);
|
|
|
|
/* get the aq descriptor */
|
|
if (cmd->data_size < aq_desc_len) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"NVMUPD: not enough aq desc bytes for exec, size %d < %d\n",
|
|
cmd->data_size, aq_desc_len);
|
|
*perrno = -EINVAL;
|
|
return I40E_ERR_PARAM;
|
|
}
|
|
aq_desc = (struct i40e_aq_desc *)bytes;
|
|
|
|
/* if data buffer needed, make sure it's ready */
|
|
aq_data_len = cmd->data_size - aq_desc_len;
|
|
buff_size = max(aq_data_len, (u32)LE16_TO_CPU(aq_desc->datalen));
|
|
if (buff_size) {
|
|
if (!hw->nvm_buff.va) {
|
|
status = i40e_allocate_virt_mem(hw, &hw->nvm_buff,
|
|
hw->aq.asq_buf_size);
|
|
if (status)
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"NVMUPD: i40e_allocate_virt_mem for exec buff failed, %d\n",
|
|
status);
|
|
}
|
|
|
|
if (hw->nvm_buff.va) {
|
|
buff = hw->nvm_buff.va;
|
|
i40e_memcpy(buff, &bytes[aq_desc_len], aq_data_len,
|
|
I40E_NONDMA_TO_NONDMA);
|
|
}
|
|
}
|
|
|
|
if (cmd->offset)
|
|
memset(&hw->nvm_aq_event_desc, 0, aq_desc_len);
|
|
|
|
/* and away we go! */
|
|
status = i40e_asq_send_command(hw, aq_desc, buff,
|
|
buff_size, &cmd_details);
|
|
if (status) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_exec_aq err %s aq_err %s\n",
|
|
i40e_stat_str(hw, status),
|
|
i40e_aq_str(hw, hw->aq.asq_last_status));
|
|
*perrno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status);
|
|
return status;
|
|
}
|
|
|
|
/* should we wait for a followup event? */
|
|
if (cmd->offset) {
|
|
hw->nvm_wait_opcode = cmd->offset;
|
|
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_get_aq_result - Get the results from the previous exec_aq
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* cmd structure contains identifiers and data buffer
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_get_aq_result(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
u32 aq_total_len;
|
|
u32 aq_desc_len;
|
|
int remainder;
|
|
u8 *buff;
|
|
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "NVMUPD: %s\n", __func__);
|
|
|
|
aq_desc_len = sizeof(struct i40e_aq_desc);
|
|
aq_total_len = aq_desc_len + LE16_TO_CPU(hw->nvm_wb_desc.datalen);
|
|
|
|
/* check offset range */
|
|
if (cmd->offset > aq_total_len) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "%s: offset too big %d > %d\n",
|
|
__func__, cmd->offset, aq_total_len);
|
|
*perrno = -EINVAL;
|
|
return I40E_ERR_PARAM;
|
|
}
|
|
|
|
/* check copylength range */
|
|
if (cmd->data_size > (aq_total_len - cmd->offset)) {
|
|
int new_len = aq_total_len - cmd->offset;
|
|
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "%s: copy length %d too big, trimming to %d\n",
|
|
__func__, cmd->data_size, new_len);
|
|
cmd->data_size = new_len;
|
|
}
|
|
|
|
remainder = cmd->data_size;
|
|
if (cmd->offset < aq_desc_len) {
|
|
u32 len = aq_desc_len - cmd->offset;
|
|
|
|
len = min(len, cmd->data_size);
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "%s: aq_desc bytes %d to %d\n",
|
|
__func__, cmd->offset, cmd->offset + len);
|
|
|
|
buff = ((u8 *)&hw->nvm_wb_desc) + cmd->offset;
|
|
i40e_memcpy(bytes, buff, len, I40E_NONDMA_TO_NONDMA);
|
|
|
|
bytes += len;
|
|
remainder -= len;
|
|
buff = hw->nvm_buff.va;
|
|
} else {
|
|
buff = (u8 *)hw->nvm_buff.va + (cmd->offset - aq_desc_len);
|
|
}
|
|
|
|
if (remainder > 0) {
|
|
int start_byte = buff - (u8 *)hw->nvm_buff.va;
|
|
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "%s: databuf bytes %d to %d\n",
|
|
__func__, start_byte, start_byte + remainder);
|
|
i40e_memcpy(bytes, buff, remainder, I40E_NONDMA_TO_NONDMA);
|
|
}
|
|
|
|
return I40E_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_get_aq_event - Get the Admin Queue event from previous exec_aq
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* cmd structure contains identifiers and data buffer
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_get_aq_event(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
u32 aq_total_len;
|
|
u32 aq_desc_len;
|
|
|
|
i40e_debug(hw, I40E_DEBUG_NVM, "NVMUPD: %s\n", __func__);
|
|
|
|
aq_desc_len = sizeof(struct i40e_aq_desc);
|
|
aq_total_len = aq_desc_len + LE16_TO_CPU(hw->nvm_aq_event_desc.datalen);
|
|
|
|
/* check copylength range */
|
|
if (cmd->data_size > aq_total_len) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"%s: copy length %d too big, trimming to %d\n",
|
|
__func__, cmd->data_size, aq_total_len);
|
|
cmd->data_size = aq_total_len;
|
|
}
|
|
|
|
i40e_memcpy(bytes, &hw->nvm_aq_event_desc, cmd->data_size,
|
|
I40E_NONDMA_TO_NONDMA);
|
|
|
|
return I40E_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_nvm_read - Read NVM
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* cmd structure contains identifiers and data buffer
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_nvm_read(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
struct i40e_asq_cmd_details cmd_details;
|
|
enum i40e_status_code status;
|
|
u8 module, transaction;
|
|
bool last;
|
|
|
|
transaction = i40e_nvmupd_get_transaction(cmd->config);
|
|
module = i40e_nvmupd_get_module(cmd->config);
|
|
last = (transaction == I40E_NVM_LCB) || (transaction == I40E_NVM_SA);
|
|
|
|
memset(&cmd_details, 0, sizeof(cmd_details));
|
|
cmd_details.wb_desc = &hw->nvm_wb_desc;
|
|
|
|
status = i40e_aq_read_nvm(hw, module, cmd->offset, (u16)cmd->data_size,
|
|
bytes, last, &cmd_details);
|
|
if (status) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_nvm_read mod 0x%x off 0x%x len 0x%x\n",
|
|
module, cmd->offset, cmd->data_size);
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_nvm_read status %d aq %d\n",
|
|
status, hw->aq.asq_last_status);
|
|
*perrno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_nvm_erase - Erase an NVM module
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* module, offset, data_size and data are in cmd structure
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_nvm_erase(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
int *perrno)
|
|
{
|
|
enum i40e_status_code status = I40E_SUCCESS;
|
|
struct i40e_asq_cmd_details cmd_details;
|
|
u8 module, transaction;
|
|
bool last;
|
|
|
|
transaction = i40e_nvmupd_get_transaction(cmd->config);
|
|
module = i40e_nvmupd_get_module(cmd->config);
|
|
last = (transaction & I40E_NVM_LCB);
|
|
|
|
memset(&cmd_details, 0, sizeof(cmd_details));
|
|
cmd_details.wb_desc = &hw->nvm_wb_desc;
|
|
|
|
status = i40e_aq_erase_nvm(hw, module, cmd->offset, (u16)cmd->data_size,
|
|
last, &cmd_details);
|
|
if (status) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_nvm_erase mod 0x%x off 0x%x len 0x%x\n",
|
|
module, cmd->offset, cmd->data_size);
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_nvm_erase status %d aq %d\n",
|
|
status, hw->aq.asq_last_status);
|
|
*perrno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* i40e_nvmupd_nvm_write - Write NVM
|
|
* @hw: pointer to hardware structure
|
|
* @cmd: pointer to nvm update command buffer
|
|
* @bytes: pointer to the data buffer
|
|
* @perrno: pointer to return error code
|
|
*
|
|
* module, offset, data_size and data are in cmd structure
|
|
**/
|
|
static enum i40e_status_code i40e_nvmupd_nvm_write(struct i40e_hw *hw,
|
|
struct i40e_nvm_access *cmd,
|
|
u8 *bytes, int *perrno)
|
|
{
|
|
enum i40e_status_code status = I40E_SUCCESS;
|
|
struct i40e_asq_cmd_details cmd_details;
|
|
u8 module, transaction;
|
|
u8 preservation_flags;
|
|
bool last;
|
|
|
|
transaction = i40e_nvmupd_get_transaction(cmd->config);
|
|
module = i40e_nvmupd_get_module(cmd->config);
|
|
last = (transaction & I40E_NVM_LCB);
|
|
preservation_flags = i40e_nvmupd_get_preservation_flags(cmd->config);
|
|
|
|
memset(&cmd_details, 0, sizeof(cmd_details));
|
|
cmd_details.wb_desc = &hw->nvm_wb_desc;
|
|
|
|
status = i40e_aq_update_nvm(hw, module, cmd->offset,
|
|
(u16)cmd->data_size, bytes, last,
|
|
preservation_flags, &cmd_details);
|
|
if (status) {
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_nvm_write mod 0x%x off 0x%x len 0x%x\n",
|
|
module, cmd->offset, cmd->data_size);
|
|
i40e_debug(hw, I40E_DEBUG_NVM,
|
|
"i40e_nvmupd_nvm_write status %d aq %d\n",
|
|
status, hw->aq.asq_last_status);
|
|
*perrno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status);
|
|
}
|
|
|
|
return status;
|
|
}
|