[dpdk-dev] [PATCH 17/25] net/qede/base: retrieve FW crash dump info
Rasesh Mody
Rasesh.Mody at cavium.com
Sat Dec 3 10:11:21 CET 2016
As part of device probe, check if management FW crash dump logs are
available. If available, then log an warning message and update the
epoch value too. A new struct ecore_mdump_info is added to populate
dump info including the new "reason" field by reading shared memory
region.
Signed-off-by: Rasesh Mody <Rasesh.Mody at cavium.com>
---
drivers/net/qede/base/ecore_dev.c | 18 +++++++---
drivers/net/qede/base/ecore_dev_api.h | 4 +--
drivers/net/qede/base/ecore_mcp.c | 66 ++++++++++++++++++++++-------------
drivers/net/qede/base/ecore_mcp.h | 22 ------------
drivers/net/qede/base/ecore_mcp_api.h | 33 +++++++++++++++---
drivers/net/qede/qede_main.c | 2 +-
6 files changed, 87 insertions(+), 58 deletions(-)
diff --git a/drivers/net/qede/base/ecore_dev.c b/drivers/net/qede/base/ecore_dev.c
index 0da95c65..86b4bffc 100644
--- a/drivers/net/qede/base/ecore_dev.c
+++ b/drivers/net/qede/base/ecore_dev.c
@@ -1761,10 +1761,6 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
return mfw_rc;
}
- ecore_mcp_mdump_get_info(p_hwfn, p_hwfn->p_main_ptt);
- ecore_mcp_mdump_set_values(p_hwfn, p_hwfn->p_main_ptt,
- p_params->epoch);
-
/* send DCBX attention request command */
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"sending phony dcbx set command to trigger DCBx attention handling\n");
@@ -2962,6 +2958,7 @@ ecore_hw_prepare_single(struct ecore_hwfn *p_hwfn, void OSAL_IOMEM *p_regview,
struct ecore_hw_prepare_params *p_params)
{
struct ecore_dev *p_dev = p_hwfn->p_dev;
+ struct ecore_mdump_info mdump_info;
enum _ecore_status_t rc = ECORE_SUCCESS;
/* Split PCI bars evenly between hwfns */
@@ -3024,6 +3021,19 @@ ecore_hw_prepare_single(struct ecore_hwfn *p_hwfn, void OSAL_IOMEM *p_regview,
DP_NOTICE(p_hwfn, false, "Failed to initiate PF FLR\n");
}
+ /* Check if mdump logs are present and update the epoch value */
+ if (p_hwfn == ECORE_LEADING_HWFN(p_hwfn->p_dev)) {
+ rc = ecore_mcp_mdump_get_info(p_hwfn, p_hwfn->p_main_ptt,
+ &mdump_info);
+ if (rc == ECORE_SUCCESS && mdump_info.num_of_logs > 0) {
+ DP_NOTICE(p_hwfn, false,
+ "* * * IMPORTANT - HW ERROR register dump captured by device * * *\n");
+ }
+
+ ecore_mcp_mdump_set_values(p_hwfn, p_hwfn->p_main_ptt,
+ p_params->epoch);
+ }
+
/* Allocate the init RT array and initialize the init-ops engine */
rc = ecore_init_alloc(p_hwfn);
if (rc) {
diff --git a/drivers/net/qede/base/ecore_dev_api.h b/drivers/net/qede/base/ecore_dev_api.h
index 0ec02b5b..0dee68a9 100644
--- a/drivers/net/qede/base/ecore_dev_api.h
+++ b/drivers/net/qede/base/ecore_dev_api.h
@@ -68,8 +68,6 @@ struct ecore_hw_init_params {
bool allow_npar_tx_switch;
/* binary fw data pointer in binary fw file */
const u8 *bin_fw_data;
- /* the OS Epoch time in seconds */
- u32 epoch;
};
/**
@@ -149,6 +147,8 @@ struct ecore_hw_prepare_params {
bool chk_reg_fifo;
/* request the MFW to initiate PF FLR */
bool initiate_pf_flr;
+ /* the OS Epoch time in seconds */
+ u32 epoch;
};
/**
diff --git a/drivers/net/qede/base/ecore_mcp.c b/drivers/net/qede/base/ecore_mcp.c
index a5d707b2..5d40c1ed 100644
--- a/drivers/net/qede/base/ecore_mcp.c
+++ b/drivers/net/qede/base/ecore_mcp.c
@@ -1098,16 +1098,9 @@ enum _ecore_status_t ecore_mcp_mdump_trigger(struct ecore_hwfn *p_hwfn,
{
u32 mcp_resp;
- return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_TRIGGER,
- OSAL_NULL, OSAL_NULL, &mcp_resp);
-}
-
-enum _ecore_status_t ecore_mcp_mdump_clear_logs(struct ecore_hwfn *p_hwfn,
- struct ecore_ptt *p_ptt)
-{
- u32 mcp_resp;
+ p_hwfn->p_dev->mdump_en = true;
- return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_CLEAR_LOGS,
+ return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_TRIGGER,
OSAL_NULL, OSAL_NULL, &mcp_resp);
}
@@ -1141,32 +1134,56 @@ ecore_mcp_mdump_get_config(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
return rc;
}
-enum _ecore_status_t ecore_mcp_mdump_get_info(struct ecore_hwfn *p_hwfn,
- struct ecore_ptt *p_ptt)
+enum _ecore_status_t
+ecore_mcp_mdump_get_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+ struct ecore_mdump_info *p_mdump_info)
{
+ u32 addr, global_offsize, global_addr;
struct mdump_config_stc mdump_config;
enum _ecore_status_t rc;
- rc = ecore_mcp_mdump_get_config(p_hwfn, p_ptt, &mdump_config);
- if (rc != ECORE_SUCCESS)
- return rc;
+ OSAL_MEMSET(p_mdump_info, 0, sizeof(*p_mdump_info));
- DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
- "MFW mdump_config: version 0x%x, config 0x%x, epoch 0x%x, num_of_logs 0x%x, valid_logs 0x%x\n",
- mdump_config.version, mdump_config.config, mdump_config.epoc,
- mdump_config.num_of_logs, mdump_config.valid_logs);
+ addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
+ PUBLIC_GLOBAL);
+ global_offsize = ecore_rd(p_hwfn, p_ptt, addr);
+ global_addr = SECTION_ADDR(global_offsize, 0);
+ p_mdump_info->reason = ecore_rd(p_hwfn, p_ptt,
+ global_addr +
+ OFFSETOF(struct public_global,
+ mdump_reason));
- if (mdump_config.valid_logs > 0) {
- DP_NOTICE(p_hwfn, false,
- "* * * IMPORTANT - HW ERROR register dump captured by device * * *\n");
+ if (p_mdump_info->reason) {
+ rc = ecore_mcp_mdump_get_config(p_hwfn, p_ptt, &mdump_config);
+ if (rc != ECORE_SUCCESS)
+ return rc;
+
+ p_mdump_info->version = mdump_config.version;
+ p_mdump_info->config = mdump_config.config;
+ p_mdump_info->epoch = mdump_config.epoc;
+ p_mdump_info->num_of_logs = mdump_config.num_of_logs;
+ p_mdump_info->valid_logs = mdump_config.valid_logs;
+
+ DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
+ "MFW mdump info: reason %d, version 0x%x, config 0x%x, epoch 0x%x, num_of_logs 0x%x, valid_logs 0x%x\n",
+ p_mdump_info->reason, p_mdump_info->version,
+ p_mdump_info->config, p_mdump_info->epoch,
+ p_mdump_info->num_of_logs, p_mdump_info->valid_logs);
+ } else {
+ DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
+ "MFW mdump info: reason %d\n", p_mdump_info->reason);
}
- return rc;
+ return ECORE_SUCCESS;
}
-void ecore_mcp_mdump_enable(struct ecore_dev *p_dev, bool mdump_enable)
+enum _ecore_status_t ecore_mcp_mdump_clear_logs(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
{
- p_dev->mdump_en = mdump_enable;
+ u32 mcp_resp;
+
+ return ecore_mcp_mdump_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MDUMP_CLEAR_LOGS,
+ OSAL_NULL, OSAL_NULL, &mcp_resp);
}
static void ecore_mcp_handle_critical_error(struct ecore_hwfn *p_hwfn,
@@ -1184,6 +1201,7 @@ static void ecore_mcp_handle_critical_error(struct ecore_hwfn *p_hwfn,
if (p_hwfn->p_dev->mdump_en) {
DP_NOTICE(p_hwfn, false,
"Not acknowledging the notification to allow the MFW crash dump\n");
+ p_hwfn->p_dev->mdump_en = false;
return;
}
diff --git a/drivers/net/qede/base/ecore_mcp.h b/drivers/net/qede/base/ecore_mcp.h
index ae33e84d..d77b5df9 100644
--- a/drivers/net/qede/base/ecore_mcp.h
+++ b/drivers/net/qede/base/ecore_mcp.h
@@ -327,28 +327,6 @@ enum _ecore_status_t ecore_mcp_mdump_trigger(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt);
/**
- * @brief - Clears the MFW crash dump logs.
- *
- * @param p_hwfn
- * @param p_ptt
- *
- * @param return ECORE_SUCCESS upon success.
- */
-enum _ecore_status_t ecore_mcp_mdump_clear_logs(struct ecore_hwfn *p_hwfn,
- struct ecore_ptt *p_ptt);
-
-/**
- * @brief - Gets the MFW crash dump configuration and logs info.
- *
- * @param p_hwfn
- * @param p_ptt
- *
- * @param return ECORE_SUCCESS upon success.
- */
-enum _ecore_status_t ecore_mcp_mdump_get_info(struct ecore_hwfn *p_hwfn,
- struct ecore_ptt *p_ptt);
-
-/**
* @brief - Gets the MFW allocation info for the given resource
*
* @param p_hwfn
diff --git a/drivers/net/qede/base/ecore_mcp_api.h b/drivers/net/qede/base/ecore_mcp_api.h
index c26b4943..4e954bd8 100644
--- a/drivers/net/qede/base/ecore_mcp_api.h
+++ b/drivers/net/qede/base/ecore_mcp_api.h
@@ -792,14 +792,37 @@ enum _ecore_status_t ecore_mcp_mem_ecc_events(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u64 *num_events);
+struct ecore_mdump_info {
+ u32 reason;
+ u32 version;
+ u32 config;
+ u32 epoch;
+ u32 num_of_logs;
+ u32 valid_logs;
+};
+
+/**
+ * @brief - Gets the MFW crash dump configuration and logs info.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_mdump_info
+ *
+ * @param return ECORE_SUCCESS upon success.
+ */
+enum _ecore_status_t
+ecore_mcp_mdump_get_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+ struct ecore_mdump_info *p_mdump_info);
+
/**
- * @brief Sets whether a critical error notification from the MFW is acked, or
- * is it being ignored and thus allowing the MFW crash dump.
+ * @brief - Clears the MFW crash dump logs.
*
- * @param p_dev
- * @param mdump_enable
+ * @param p_hwfn
+ * @param p_ptt
*
+ * @param return ECORE_SUCCESS upon success.
*/
-void ecore_mcp_mdump_enable(struct ecore_dev *p_dev, bool mdump_enable);
+enum _ecore_status_t ecore_mcp_mdump_clear_logs(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt);
#endif
diff --git a/drivers/net/qede/qede_main.c b/drivers/net/qede/qede_main.c
index e836abcf..36b2b71e 100644
--- a/drivers/net/qede/qede_main.c
+++ b/drivers/net/qede/qede_main.c
@@ -62,6 +62,7 @@ qed_probe(struct ecore_dev *edev, struct rte_pci_device *pci_dev,
hw_prepare_params.drv_resc_alloc = false;
hw_prepare_params.chk_reg_fifo = false;
hw_prepare_params.initiate_pf_flr = true;
+ hw_prepare_params.epoch = (u32)time(NULL);
rc = ecore_hw_prepare(edev, &hw_prepare_params);
if (rc) {
DP_ERR(edev, "hw prepare failed\n");
@@ -271,7 +272,6 @@ static int qed_slowpath_start(struct ecore_dev *edev,
hw_init_params.int_mode = ECORE_INT_MODE_MSIX;
hw_init_params.allow_npar_tx_switch = allow_npar_tx_switching;
hw_init_params.bin_fw_data = data;
- hw_init_params.epoch = (u32)time(NULL);
rc = ecore_hw_init(edev, &hw_init_params);
if (rc) {
DP_ERR(edev, "ecore_hw_init failed\n");
--
2.11.0.rc1
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