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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "config.h"
#include "ec_commands.h"
#include "host_command.h"
#include "uart.h"
static enum ec_status
host_command_console_snapshot(struct host_cmd_handler_args *args)
{
return uart_console_read_buffer_init();
}
DECLARE_HOST_COMMAND(EC_CMD_CONSOLE_SNAPSHOT, host_command_console_snapshot,
EC_VER_MASK(0));
static enum ec_status
host_command_console_read(struct host_cmd_handler_args *args)
{
if (args->version == 0) {
/*
* Prior versions of this command only support reading from
* an entire snapshot, not just the output since the last
* snapshot.
*/
return uart_console_read_buffer(CONSOLE_READ_NEXT,
(char *)args->response,
args->response_max,
&args->response_size);
} else if (IS_ENABLED(CONFIG_CONSOLE_ENABLE_READ_V1) &&
args->version == 1) {
const struct ec_params_console_read_v1 *p;
/* Check the params to figure out where to start reading. */
p = args->params;
return uart_console_read_buffer(p->subcmd,
(char *)args->response,
args->response_max,
&args->response_size);
}
return EC_RES_INVALID_PARAM;
}
#ifdef CONFIG_CONSOLE_ENABLE_READ_V1
#define READ_V1_MASK EC_VER_MASK(1)
#else
#define READ_V1_MASK 0
#endif
DECLARE_HOST_COMMAND(EC_CMD_CONSOLE_READ, host_command_console_read,
EC_VER_MASK(0) | READ_V1_MASK);
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