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dc641b7319
The GPL header included in each file in the i40e driver doesn't need to include the "this program" text since this driver is already part of the larger kernel. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/*******************************************************************************
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*
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* Intel Ethernet Controller XL710 Family Linux Driver
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* Copyright(c) 2013 - 2014 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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******************************************************************************/
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#include "i40e_diag.h"
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#include "i40e_prototype.h"
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/**
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* i40e_diag_reg_pattern_test
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* @hw: pointer to the hw struct
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* @reg: reg to be tested
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* @mask: bits to be touched
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**/
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static i40e_status i40e_diag_reg_pattern_test(struct i40e_hw *hw,
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u32 reg, u32 mask)
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{
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const u32 patterns[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
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u32 pat, val, orig_val;
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int i;
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orig_val = rd32(hw, reg);
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for (i = 0; i < ARRAY_SIZE(patterns); i++) {
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pat = patterns[i];
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wr32(hw, reg, (pat & mask));
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val = rd32(hw, reg);
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if ((val & mask) != (pat & mask)) {
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i40e_debug(hw, I40E_DEBUG_DIAG,
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"%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n",
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__func__, reg, pat, val);
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return I40E_ERR_DIAG_TEST_FAILED;
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}
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}
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wr32(hw, reg, orig_val);
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val = rd32(hw, reg);
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if (val != orig_val) {
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i40e_debug(hw, I40E_DEBUG_DIAG,
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"%s: reg restore test failed - reg 0x%08x orig_val 0x%08x val 0x%08x\n",
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__func__, reg, orig_val, val);
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return I40E_ERR_DIAG_TEST_FAILED;
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}
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return 0;
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}
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struct i40e_diag_reg_test_info i40e_reg_list[] = {
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/* offset mask elements stride */
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{I40E_QTX_CTL(0), 0x0000FFBF, 4, I40E_QTX_CTL(1) - I40E_QTX_CTL(0)},
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{I40E_PFINT_ITR0(0), 0x00000FFF, 3, I40E_PFINT_ITR0(1) - I40E_PFINT_ITR0(0)},
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{I40E_PFINT_ITRN(0, 0), 0x00000FFF, 8, I40E_PFINT_ITRN(0, 1) - I40E_PFINT_ITRN(0, 0)},
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{I40E_PFINT_ITRN(1, 0), 0x00000FFF, 8, I40E_PFINT_ITRN(1, 1) - I40E_PFINT_ITRN(1, 0)},
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{I40E_PFINT_ITRN(2, 0), 0x00000FFF, 8, I40E_PFINT_ITRN(2, 1) - I40E_PFINT_ITRN(2, 0)},
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{I40E_PFINT_STAT_CTL0, 0x0000000C, 1, 0},
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{I40E_PFINT_LNKLST0, 0x00001FFF, 1, 0},
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{I40E_PFINT_LNKLSTN(0), 0x000007FF, 64, I40E_PFINT_LNKLSTN(1) - I40E_PFINT_LNKLSTN(0)},
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{I40E_QINT_TQCTL(0), 0x000000FF, 64, I40E_QINT_TQCTL(1) - I40E_QINT_TQCTL(0)},
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{I40E_QINT_RQCTL(0), 0x000000FF, 64, I40E_QINT_RQCTL(1) - I40E_QINT_RQCTL(0)},
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{I40E_PFINT_ICR0_ENA, 0xF7F20000, 1, 0},
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{ 0 }
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};
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/**
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* i40e_diag_reg_test
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* @hw: pointer to the hw struct
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*
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* Perform registers diagnostic test
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**/
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i40e_status i40e_diag_reg_test(struct i40e_hw *hw)
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{
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i40e_status ret_code = 0;
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u32 reg, mask;
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u32 i, j;
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for (i = 0; (i40e_reg_list[i].offset != 0) && !ret_code; i++) {
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mask = i40e_reg_list[i].mask;
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for (j = 0; (j < i40e_reg_list[i].elements) && !ret_code; j++) {
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reg = i40e_reg_list[i].offset +
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(j * i40e_reg_list[i].stride);
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ret_code = i40e_diag_reg_pattern_test(hw, reg, mask);
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}
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}
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return ret_code;
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}
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/**
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* i40e_diag_eeprom_test
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* @hw: pointer to the hw struct
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*
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* Perform EEPROM diagnostic test
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**/
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i40e_status i40e_diag_eeprom_test(struct i40e_hw *hw)
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{
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i40e_status ret_code;
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u16 reg_val;
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/* read NVM control word and if NVM valid, validate EEPROM checksum*/
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ret_code = i40e_read_nvm_word(hw, I40E_SR_NVM_CONTROL_WORD, ®_val);
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if (!ret_code &&
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((reg_val & I40E_SR_CONTROL_WORD_1_MASK) ==
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(0x01 << I40E_SR_CONTROL_WORD_1_SHIFT))) {
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ret_code = i40e_validate_nvm_checksum(hw, NULL);
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} else {
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ret_code = I40E_ERR_DIAG_TEST_FAILED;
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}
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return ret_code;
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}
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