[dpdk-dev] [PATCH 14/52] i40e/base: Add Debug Dump Internal Data AQ command
Jingjing Wu
jingjing.wu at intel.com
Sun Sep 6 09:11:28 CEST 2015
This patch adds support for "Debug Dump Internal Data" AQ command.
It is used to dump internal firmware or hardware data for debug
purposes.
Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
---
drivers/net/i40e/base/i40e_common.c | 57 ++++++++++++++++++++++++++++++++++
drivers/net/i40e/base/i40e_prototype.h | 5 +++
2 files changed, 62 insertions(+)
diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c
index c21beba..3617f01 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -5264,6 +5264,63 @@ void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
}
/**
+ * i40e_aq_debug_dump
+ * @hw: pointer to the hardware structure
+ * @cluster_id: specific cluster to dump
+ * @table_id: table id within cluster
+ * @start_index: index of line in the block to read
+ * @buff_size: dump buffer size
+ * @buff: dump buffer
+ * @ret_buff_size: actual buffer size returned
+ * @ret_next_table: next block to read
+ * @ret_next_index: next index to read
+ *
+ * Dump internal FW/HW data for debug purposes.
+ *
+ **/
+enum i40e_status_code i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
+ u8 table_id, u32 start_index, u16 buff_size,
+ void *buff, u16 *ret_buff_size,
+ u8 *ret_next_table, u32 *ret_next_index,
+ struct i40e_asq_cmd_details *cmd_details)
+{
+ struct i40e_aq_desc desc;
+ struct i40e_aqc_debug_dump_internals *cmd =
+ (struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
+ struct i40e_aqc_debug_dump_internals *resp =
+ (struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
+ enum i40e_status_code status;
+
+ if (buff_size == 0 || !buff)
+ return I40E_ERR_PARAM;
+
+ i40e_fill_default_direct_cmd_desc(&desc,
+ i40e_aqc_opc_debug_dump_internals);
+ /* Indirect Command */
+ desc.flags |= CPU_TO_LE16((u16)I40E_AQ_FLAG_BUF);
+ if (buff_size > I40E_AQ_LARGE_BUF)
+ desc.flags |= CPU_TO_LE16((u16)I40E_AQ_FLAG_LB);
+
+ cmd->cluster_id = cluster_id;
+ cmd->table_id = table_id;
+ cmd->idx = CPU_TO_LE32(start_index);
+
+ desc.datalen = CPU_TO_LE16(buff_size);
+
+ status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
+ if (!status) {
+ if (ret_buff_size != NULL)
+ *ret_buff_size = LE16_TO_CPU(desc.datalen);
+ if (ret_next_table != NULL)
+ *ret_next_table = resp->table_id;
+ if (ret_next_index != NULL)
+ *ret_next_index = LE32_TO_CPU(resp->idx);
+ }
+
+ return status;
+}
+
+/**
* i40e_read_bw_from_alt_ram
* @hw: pointer to the hardware structure
* @max_bw: pointer for max_bw read
diff --git a/drivers/net/i40e/base/i40e_prototype.h b/drivers/net/i40e/base/i40e_prototype.h
index 139ff19..eadbebe 100644
--- a/drivers/net/i40e/base/i40e_prototype.h
+++ b/drivers/net/i40e/base/i40e_prototype.h
@@ -459,6 +459,11 @@ enum i40e_status_code i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
u16 vsi_seid, u16 queue, bool is_add,
struct i40e_control_filter_stats *stats,
struct i40e_asq_cmd_details *cmd_details);
+enum i40e_status_code i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
+ u8 table_id, u32 start_index, u16 buff_size,
+ void *buff, u16 *ret_buff_size,
+ u8 *ret_next_table, u32 *ret_next_index,
+ struct i40e_asq_cmd_details *cmd_details);
void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
u16 vsi_seid);
#endif /* _I40E_PROTOTYPE_H_ */
--
2.4.0
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