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LF-14029-1: drivers: firmware: imx: new api v2x debug dump

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New API support is added for dumping v2x debug logs.

Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Reviewed-by: Rahul Kumar Yadav <rahulkumar.yadav@nxp.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Acked-by: Jason Liu <jason.hui.liu@nxp.com>
This commit is contained in:
Pankaj Gupta 2024-12-17 20:47:12 +05:30 committed by Jason Liu
parent d97abaf3e7
commit 9d86c4874b
3 changed files with 79 additions and 1 deletions
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2
drivers/firmware/imx/ele_common.c
View File

@ -167,7 +167,7 @@ static bool exception_for_size(struct se_if_priv *priv,
/* List of API(s) that can be accepte variable length
* response buffer.
*/
if (header->command == ELE_DEBUG_DUMP_REQ &&
if ((header->command == ELE_DEBUG_DUMP_REQ || header->command == V2X_DEBUG_DUMP_REQ) &&
header->ver == priv->if_defs->base_api_ver &&
header->size >= 0 &&
header->size <= ELE_DEBUG_DUMP_RSP_SZ)

67
drivers/firmware/imx/v2x_base_msg.c
View File

@ -9,6 +9,8 @@
#include "ele_common.h"
#include "v2x_base_msg.h"
#define FW_DBG_DUMP_FIXED_STR "\nS40X: "
/*
* v2x_start_rng() - prepare and send the command to start
* initialization of the ELE RNG context
@ -145,3 +147,68 @@ int v2x_pwr_state(struct se_if_priv *priv, u16 action)
exit:
return ret;
}
int v2x_debug_dump(struct se_if_priv *priv)
{
struct se_api_msg *tx_msg __free(kfree) = NULL;
struct se_api_msg *rx_msg __free(kfree) = NULL;
bool keep_logging;
int msg_ex_cnt;
int ret = 0;
int i;
if (!priv)
return -EINVAL;
tx_msg = kzalloc(V2X_DEBUG_DUMP_REQ_SZ, GFP_KERNEL);
if (!tx_msg)
return -ENOMEM;
rx_msg = kzalloc(V2X_DEBUG_DUMP_RSP_SZ, GFP_KERNEL);
if (!rx_msg)
return -ENOMEM;
ret = se_fill_cmd_msg_hdr(priv,
&tx_msg->header,
V2X_DEBUG_DUMP_REQ,
V2X_DEBUG_DUMP_REQ_SZ,
true);
if (ret)
return ret;
tx_msg->header.tag = V2X_DEBUG_MU_MSG_CMD_TAG;
tx_msg->header.ver = V2X_DEBUG_MU_MSG_VERS;
tx_msg->data[0] = 0x1;
msg_ex_cnt = 0;
do {
memset(rx_msg, 0x0, V2X_DEBUG_DUMP_RSP_SZ);
ret = ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, V2X_DEBUG_DUMP_REQ_SZ,
rx_msg, V2X_DEBUG_DUMP_RSP_SZ);
if (ret < 0)
return ret;
ret = se_val_rsp_hdr_n_status(priv, rx_msg, V2X_DEBUG_DUMP_REQ,
V2X_DEBUG_DUMP_RSP_SZ, true);
if (ret) {
dev_err(priv->dev, "Dump_Debug_Buffer Error: %x.", ret);
break;
}
keep_logging = (rx_msg->header.size >= (V2X_DEBUG_DUMP_RSP_SZ >> 2) &&
msg_ex_cnt < V2X_MAX_DBG_DMP_PKT);
rx_msg->header.size -= 2;
if (rx_msg->header.size > 4)
rx_msg->header.size--;
for (i = 0; i < rx_msg->header.size; i += 2)
dev_info(priv->dev, "%s%02x_%02x: 0x%08x 0x%08x",
FW_DBG_DUMP_FIXED_STR, msg_ex_cnt, i,
rx_msg->data[i + 1], rx_msg->data[i + 2]);
msg_ex_cnt++;
} while (keep_logging);
return ret;
}

11
drivers/firmware/imx/v2x_base_msg.h
View File

@ -25,6 +25,17 @@
#define V2X_PERM_DENIED_FAIL_IND 0xF329
#define V2X_INVAL_OPS_FAIL_IND 0xC029
#define V2X_DEBUG_MU_MSG_VERS 0x02
#define V2X_DEBUG_MU_MSG_CMD_TAG 0x17
#define V2X_DEBUG_MU_MSG_RSP_TAG 0xE1
#define V2X_MAX_DBG_DMP_PKT 15
#define V2X_NON_DUMP_BUFFER_SZ 3
#define V2X_DEBUG_DUMP_REQ 0x02
#define V2X_DEBUG_DUMP_REQ_SZ 0x08
#define V2X_DEBUG_DUMP_RSP_SZ 0x5c
int v2x_start_rng(struct se_if_priv *priv);
int v2x_pwr_state(struct se_if_priv *priv, u16 action);
int v2x_debug_dump(struct se_if_priv *priv);
#endif