-/*******************************************************************************
-
-Copyright (c) 2001-2015, Intel Corporation
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- 3. Neither the name of the Intel Corporation nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-***************************************************************************/
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2020 Intel Corporation
+ */
#include "ixgbe_x540.h"
#include "ixgbe_type.h"
mac->ops.get_fcoe_boot_status = ixgbe_get_fcoe_boot_status_generic;
mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X540;
mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X540;
+ mac->ops.init_swfw_sync = ixgbe_init_swfw_sync_X540;
mac->ops.disable_sec_rx_path = ixgbe_disable_sec_rx_path_generic;
mac->ops.enable_sec_rx_path = ixgbe_enable_sec_rx_path_generic;
{
s32 status;
u32 ctrl, i;
+ u32 swfw_mask = hw->phy.phy_semaphore_mask;
DEBUGFUNC("ixgbe_reset_hw_X540");
ixgbe_clear_tx_pending(hw);
mac_reset_top:
+ status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ if (status != IXGBE_SUCCESS) {
+ ERROR_REPORT2(IXGBE_ERROR_CAUTION,
+ "semaphore failed with %d", status);
+ return IXGBE_ERR_SWFW_SYNC;
+ }
ctrl = IXGBE_CTRL_RST;
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
IXGBE_WRITE_FLUSH(hw);
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
/* Poll for reset bit to self-clear indicating reset is complete */
for (i = 0; i < 10; i++) {
/* Add the SAN MAC address to the RAR only if it's a valid address */
if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) {
- hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
- hw->mac.san_addr, 0, IXGBE_RAH_AV);
-
/* Save the SAN MAC RAR index */
hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
+ hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index,
+ hw->mac.san_addr, 0, IXGBE_RAH_AV);
+
+ /* clear VMDq pool/queue selection for this RAR */
+ hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index,
+ IXGBE_CLEAR_VMDQ_ALL);
+
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}
*
* Determines physical layer capabilities of the current configuration.
**/
-u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
+u64 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
{
- u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+ u64 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
u16 ext_ability = 0;
DEBUGFUNC("ixgbe_get_supported_physical_layer_X540");
u16 length = 0;
u16 pointer = 0;
u16 word = 0;
- u16 checksum_last_word = IXGBE_EEPROM_CHECKSUM;
u16 ptr_start = IXGBE_PCIE_ANALOG_PTR;
/* Do not use hw->eeprom.ops.read because we do not want to take
DEBUGFUNC("ixgbe_calc_eeprom_checksum_X540");
- /* Include 0x0-0x3F in the checksum */
- for (i = 0; i <= checksum_last_word; i++) {
+ /* Include 0x0 up to IXGBE_EEPROM_CHECKSUM; do not include the
+ * checksum itself
+ */
+ for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) {
if (ixgbe_read_eerd_generic(hw, i, &word)) {
DEBUGOUT("EEPROM read failed\n");
return IXGBE_ERR_EEPROM;
}
- if (i != IXGBE_EEPROM_CHECKSUM)
- checksum += word;
+ checksum += word;
}
/* Include all data from pointers 0x3, 0x6-0xE. This excludes the
swmask |= swi2c_mask;
fwmask |= swi2c_mask << 2;
+ if (hw->mac.type >= ixgbe_mac_X550)
+ timeout = 1000;
+
for (i = 0; i < timeout; i++) {
/* SW NVM semaphore bit is used for access to all
* SW_FW_SYNC bits (not just NVM)
*/
- if (ixgbe_get_swfw_sync_semaphore(hw))
+ if (ixgbe_get_swfw_sync_semaphore(hw)) {
+ DEBUGOUT("Failed to get NVM access and register semaphore, returning IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
+ }
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw));
if (!(swfw_sync & (fwmask | swmask | hwmask))) {
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw),
swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
- msec_delay(5);
return IXGBE_SUCCESS;
}
/* Firmware currently using resource (fwmask), hardware
msec_delay(5);
}
- /* Failed to get SW only semaphore */
- if (swmask == IXGBE_GSSR_SW_MNG_SM) {
- ERROR_REPORT1(IXGBE_ERROR_POLLING,
- "Failed to get SW only semaphore");
- return IXGBE_ERR_SWFW_SYNC;
- }
-
/* If the resource is not released by the FW/HW the SW can assume that
* the FW/HW malfunctions. In that case the SW should set the SW bit(s)
* of the requested resource(s) while ignoring the corresponding FW/HW
* bits in the SW_FW_SYNC register.
*/
- if (ixgbe_get_swfw_sync_semaphore(hw))
+ if (ixgbe_get_swfw_sync_semaphore(hw)) {
+ DEBUGOUT("Failed to get NVM sempahore and register semaphore while forcefully ignoring FW sempahore bit(s) and setting SW semaphore bit(s), returning IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
+ }
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw));
if (swfw_sync & (fwmask | hwmask)) {
swfw_sync |= swmask;
*/
if (swfw_sync & swmask) {
u32 rmask = IXGBE_GSSR_EEP_SM | IXGBE_GSSR_PHY0_SM |
- IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_MAC_CSR_SM;
+ IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_MAC_CSR_SM |
+ IXGBE_GSSR_SW_MNG_SM;
if (swi2c_mask)
rmask |= IXGBE_GSSR_I2C_MASK;
ixgbe_release_swfw_sync_X540(hw, rmask);
ixgbe_release_swfw_sync_semaphore(hw);
+ DEBUGOUT("Resource not released by other SW, returning IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
}
ixgbe_release_swfw_sync_semaphore(hw);
+ DEBUGOUT("Returning error IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
}
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw), swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
- msec_delay(5);
+ msec_delay(2);
}
/**
IXGBE_WRITE_FLUSH(hw);
}
+/**
+ * ixgbe_init_swfw_sync_X540 - Release hardware semaphore
+ * @hw: pointer to hardware structure
+ *
+ * This function reset hardware semaphore bits for a semaphore that may
+ * have be left locked due to a catastrophic failure.
+ **/
+void ixgbe_init_swfw_sync_X540(struct ixgbe_hw *hw)
+{
+ u32 rmask;
+
+ /* First try to grab the semaphore but we don't need to bother
+ * looking to see whether we got the lock or not since we do
+ * the same thing regardless of whether we got the lock or not.
+ * We got the lock - we release it.
+ * We timeout trying to get the lock - we force its release.
+ */
+ ixgbe_get_swfw_sync_semaphore(hw);
+ ixgbe_release_swfw_sync_semaphore(hw);
+
+ /* Acquire and release all software resources. */
+ rmask = IXGBE_GSSR_EEP_SM | IXGBE_GSSR_PHY0_SM |
+ IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_MAC_CSR_SM |
+ IXGBE_GSSR_SW_MNG_SM;
+
+ rmask |= IXGBE_GSSR_I2C_MASK;
+ ixgbe_acquire_swfw_sync_X540(hw, rmask);
+ ixgbe_release_swfw_sync_X540(hw, rmask);
+}
+
/**
* ixgbe_blink_led_start_X540 - Blink LED based on index.
* @hw: pointer to hardware structure
DEBUGFUNC("ixgbe_blink_led_start_X540");
+ if (index > 3)
+ return IXGBE_ERR_PARAM;
+
/*
* Link should be up in order for the blink bit in the LED control
* register to work. Force link and speed in the MAC if link is down.
u32 macc_reg;
u32 ledctl_reg;
+ if (index > 3)
+ return IXGBE_ERR_PARAM;
+
DEBUGFUNC("ixgbe_blink_led_stop_X540");
/* Restore the LED to its default value. */