+++ /dev/null
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of 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.
- */
-
-#include <time.h>
-#include <rte_atomic.h>
-#include <rte_ethdev.h>
-#include "ixgbe_ethdev.h"
-#include "ixgbe_bypass_api.h"
-
-#define BYPASS_STATUS_OFF_MASK 3
-
-/* Macros to check for invlaid function pointers. */
-#define FUNC_PTR_OR_ERR_RET(func, retval) do { \
- if ((func) == NULL) { \
- PMD_DRV_LOG(ERR, "%s:%d function not supported", \
- __func__, __LINE__); \
- return retval; \
- } \
-} while(0)
-
-#define FUNC_PTR_OR_RET(func) do { \
- if ((func) == NULL) { \
- PMD_DRV_LOG(ERR, "%s:%d function not supported", \
- __func__, __LINE__); \
- return; \
- } \
-} while(0)
-
-
-/**
- * ixgbe_bypass_set_time - Set bypass FW time epoc.
- *
- * @hw: pointer to hardware structure
- *
- * This function with sync the FW date stamp with that of the
- * system clock.
- **/
-static void
-ixgbe_bypass_set_time(struct ixgbe_adapter *adapter)
-{
- u32 mask, value;
- u32 sec;
- struct ixgbe_hw *hw = &adapter->hw;
-
- sec = 0;
-
- /*
- * Send the FW our current time and turn on time_valid and
- * timer_reset bits.
- */
- mask = BYPASS_CTL1_TIME_M |
- BYPASS_CTL1_VALID_M |
- BYPASS_CTL1_OFFTRST_M;
- value = (sec & BYPASS_CTL1_TIME_M) |
- BYPASS_CTL1_VALID |
- BYPASS_CTL1_OFFTRST;
-
- FUNC_PTR_OR_RET(adapter->bps.ops.bypass_set);
-
- /* Store FW reset time (in seconds from epoch). */
- adapter->bps.reset_tm = time(NULL);
-
- /* reset FW timer. */
- adapter->bps.ops.bypass_set(hw, BYPASS_PAGE_CTL1, mask, value);
-}
-
-/**
- * ixgbe_bypass_init - Make some environment changes for bypass
- *
- * @adapter: pointer to ixgbe_adapter structure for access to state bits
- *
- * This function collects all the modifications needed by the bypass
- * driver.
- **/
-void
-ixgbe_bypass_init(struct rte_eth_dev *dev)
-{
- struct ixgbe_adapter *adapter;
- struct ixgbe_hw *hw;
-
- adapter = IXGBE_DEV_TO_ADPATER(dev);
- hw = &adapter->hw;
-
- /* Only allow BYPASS ops on the first port */
- if (hw->device_id != IXGBE_DEV_ID_82599_BYPASS ||
- hw->bus.func != 0) {
- PMD_DRV_LOG(ERR, "bypass function is not supported on that device");
- return;
- }
-
- /* set bypass ops. */
- adapter->bps.ops.bypass_rw = &ixgbe_bypass_rw_generic;
- adapter->bps.ops.bypass_valid_rd = &ixgbe_bypass_valid_rd_generic;
- adapter->bps.ops.bypass_set = &ixgbe_bypass_set_generic;
- adapter->bps.ops.bypass_rd_eep = &ixgbe_bypass_rd_eep_generic;
-
- /* set the time for logging. */
- ixgbe_bypass_set_time(adapter);
-
- /* Don't have the SDP to the laser */
- hw->mac.ops.disable_tx_laser = NULL;
- hw->mac.ops.enable_tx_laser = NULL;
- hw->mac.ops.flap_tx_laser = NULL;
-}
-
-s32
-ixgbe_bypass_state_show(struct rte_eth_dev *dev, u32 *state)
-{
- struct ixgbe_hw *hw;
- s32 ret_val;
- u32 cmd;
- u32 by_ctl = 0;
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
-
- hw = &adapter->hw;
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_rw, -ENOTSUP);
-
- cmd = BYPASS_PAGE_CTL0;
- ret_val = adapter->bps.ops.bypass_rw(hw, cmd, &by_ctl);
-
- /* Assume bypass_rw didn't error out, if it did state will
- * be ignored anyway.
- */
- *state = (by_ctl >> BYPASS_STATUS_OFF_SHIFT) & BYPASS_STATUS_OFF_MASK;
-
- return (ret_val);
-}
-
-
-s32
-ixgbe_bypass_state_store(struct rte_eth_dev *dev, u32 *new_state)
-{
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
- struct ixgbe_hw *hw;
- s32 ret_val;
-
- hw = &adapter->hw;
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_set, -ENOTSUP);
-
- /* Set the new state */
- ret_val = adapter->bps.ops.bypass_set(hw, BYPASS_PAGE_CTL0,
- BYPASS_MODE_OFF_M, *new_state);
- if (ret_val)
- goto exit;
-
- /* Set AUTO back on so FW can receive events */
- ret_val = adapter->bps.ops.bypass_set(hw, BYPASS_PAGE_CTL0,
- BYPASS_MODE_OFF_M, BYPASS_AUTO);
-
-exit:
- return ret_val;
-
-}
-
-s32
-ixgbe_bypass_event_show(struct rte_eth_dev *dev, u32 event,
- u32 *state)
-{
- struct ixgbe_hw *hw;
- s32 ret_val;
- u32 shift;
- u32 cmd;
- u32 by_ctl = 0;
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
-
- hw = &adapter->hw;
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_rw, -ENOTSUP);
-
- cmd = BYPASS_PAGE_CTL0;
- ret_val = adapter->bps.ops.bypass_rw(hw, cmd, &by_ctl);
-
- /* Assume bypass_rw didn't error out, if it did event will
- * be ignored anyway.
- */
- switch (event) {
- case BYPASS_EVENT_WDT_TO:
- shift = BYPASS_WDTIMEOUT_SHIFT;
- break;
- case BYPASS_EVENT_MAIN_ON:
- shift = BYPASS_MAIN_ON_SHIFT;
- break;
- case BYPASS_EVENT_MAIN_OFF:
- shift = BYPASS_MAIN_OFF_SHIFT;
- break;
- case BYPASS_EVENT_AUX_ON:
- shift = BYPASS_AUX_ON_SHIFT;
- break;
- case BYPASS_EVENT_AUX_OFF:
- shift = BYPASS_AUX_OFF_SHIFT;
- break;
- default:
- return EINVAL;
- }
-
- *state = (by_ctl >> shift) & 0x3;
-
- return ret_val;
-}
-
-s32
-ixgbe_bypass_event_store(struct rte_eth_dev *dev, u32 event,
- u32 state)
-{
- struct ixgbe_hw *hw;
- u32 status;
- u32 off;
- s32 ret_val;
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
-
- hw = &adapter->hw;
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_set, -ENOTSUP);
-
- switch (event) {
- case BYPASS_EVENT_WDT_TO:
- off = BYPASS_WDTIMEOUT_M;
- status = state << BYPASS_WDTIMEOUT_SHIFT;
- break;
- case BYPASS_EVENT_MAIN_ON:
- off = BYPASS_MAIN_ON_M;
- status = state << BYPASS_MAIN_ON_SHIFT;
- break;
- case BYPASS_EVENT_MAIN_OFF:
- off = BYPASS_MAIN_OFF_M;
- status = state << BYPASS_MAIN_OFF_SHIFT;
- break;
- case BYPASS_EVENT_AUX_ON:
- off = BYPASS_AUX_ON_M;
- status = state << BYPASS_AUX_ON_SHIFT;
- break;
- case BYPASS_EVENT_AUX_OFF:
- off = BYPASS_AUX_OFF_M;
- status = state << BYPASS_AUX_OFF_SHIFT;
- break;
- default:
- return EINVAL;
- }
-
- ret_val = adapter->bps.ops.bypass_set(hw, BYPASS_PAGE_CTL0,
- off, status);
-
- return ret_val;
-}
-
-s32
-ixgbe_bypass_wd_timeout_store(struct rte_eth_dev *dev, u32 timeout)
-{
- struct ixgbe_hw *hw;
- u32 status;
- u32 mask;
- s32 ret_val;
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
-
- hw = &adapter->hw;
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_set, -ENOTSUP);
-
- /* disable the timer with timeout of zero */
- if (timeout == RTE_BYPASS_TMT_OFF) {
- status = 0x0; /* WDG enable off */
- mask = BYPASS_WDT_ENABLE_M;
- } else {
- /* set time out value */
- mask = BYPASS_WDT_VALUE_M;
-
- /* enable the timer */
- status = timeout << BYPASS_WDT_TIME_SHIFT;
- status |= 0x1 << BYPASS_WDT_ENABLE_SHIFT;
- mask |= BYPASS_WDT_ENABLE_M;
- }
-
- ret_val = adapter->bps.ops.bypass_set(hw, BYPASS_PAGE_CTL0,
- mask, status);
-
- return ret_val;
-}
-
-s32
-ixgbe_bypass_ver_show(struct rte_eth_dev *dev, u32 *ver)
-{
- struct ixgbe_hw *hw;
- u32 cmd;
- u32 status;
- s32 ret_val;
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
-
- hw = &adapter->hw;
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_rw, -ENOTSUP);
-
- cmd = BYPASS_PAGE_CTL2 | BYPASS_WE;
- cmd |= (BYPASS_EEPROM_VER_ADD << BYPASS_CTL2_OFFSET_SHIFT) &
- BYPASS_CTL2_OFFSET_M;
- ret_val = adapter->bps.ops.bypass_rw(hw, cmd, &status);
- if (ret_val)
- goto exit;
-
- /* wait for the write to stick */
- msleep(100);
-
- /* Now read the results */
- cmd &= ~BYPASS_WE;
- ret_val = adapter->bps.ops.bypass_rw(hw, cmd, &status);
- if (ret_val)
- goto exit;
-
- *ver = status & BYPASS_CTL2_DATA_M; /* only one byte of date */
-
-exit:
- return ret_val;
-}
-
-s32
-ixgbe_bypass_wd_timeout_show(struct rte_eth_dev *dev, u32 *wd_timeout)
-{
- struct ixgbe_hw *hw;
- u32 by_ctl = 0;
- u32 cmd;
- u32 wdg;
- s32 ret_val;
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
-
- hw = &adapter->hw;
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_rw, -ENOTSUP);
-
- cmd = BYPASS_PAGE_CTL0;
- ret_val = adapter->bps.ops.bypass_rw(hw, cmd, &by_ctl);
-
- wdg = by_ctl & BYPASS_WDT_ENABLE_M;
- if (!wdg)
- *wd_timeout = RTE_BYPASS_TMT_OFF;
- else
- *wd_timeout = (by_ctl >> BYPASS_WDT_TIME_SHIFT) &
- BYPASS_WDT_MASK;
-
- return ret_val;
-}
-
-s32
-ixgbe_bypass_wd_reset(struct rte_eth_dev *dev)
-{
- u32 cmd;
- u32 status;
- u32 sec;
- u32 count = 0;
- s32 ret_val;
- struct ixgbe_hw *hw;
- struct ixgbe_adapter *adapter = IXGBE_DEV_TO_ADPATER(dev);
-
- hw = &adapter->hw;
-
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_rw, -ENOTSUP);
- FUNC_PTR_OR_ERR_RET(adapter->bps.ops.bypass_valid_rd, -ENOTSUP);
-
- /* Use the lower level bit-bang functions since we don't need
- * to read the register first to get it's current state as we
- * are setting every thing in this write.
- */
- /* Set up WD pet */
- cmd = BYPASS_PAGE_CTL1 | BYPASS_WE | BYPASS_CTL1_WDT_PET;
-
- /* Resync the FW time while writing to CTL1 anyway */
- adapter->bps.reset_tm = time(NULL);
- sec = 0;
-
- cmd |= (sec & BYPASS_CTL1_TIME_M) | BYPASS_CTL1_VALID;
-
- /* reset FW timer offset since we are resetting the clock */
- cmd |= BYPASS_CTL1_OFFTRST;
-
- ret_val = adapter->bps.ops.bypass_rw(hw, cmd, &status);
-
- /* Read until it matches what we wrote, or we time out */
- do {
- if (count++ > 10) {
- ret_val = IXGBE_BYPASS_FW_WRITE_FAILURE;
- break;
- }
-
- if (adapter->bps.ops.bypass_rw(hw, BYPASS_PAGE_CTL1, &status)) {
- ret_val = IXGBE_ERR_INVALID_ARGUMENT;
- break;
- }
- } while (!adapter->bps.ops.bypass_valid_rd(cmd, status));
-
- return ret_val;
-}
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