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i40e/base: add debug dump internal data

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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@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Tested-by: Huilong Xu <huilongx.xu@intel.com>
This commit is contained in:
Jingjing Wu 2015-09-06 15:11:28 +08:00 committed by Thomas Monjalon
parent 3f12b9f23b
commit 6bfca47c08
2 changed files with 62 additions and 0 deletions
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57
drivers/net/i40e/base/i40e_common.c
View File

@ -5297,6 +5297,63 @@ 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

5
drivers/net/i40e/base/i40e_prototype.h
View File

@ -468,6 +468,11 @@ 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_ */