diff options
Diffstat (limited to 'drivers/misc/iwmc3200top/log.c')
-rw-r--r-- | drivers/misc/iwmc3200top/log.c | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/drivers/misc/iwmc3200top/log.c b/drivers/misc/iwmc3200top/log.c deleted file mode 100644 index a36a55a49cac..000000000000 --- a/drivers/misc/iwmc3200top/log.c +++ /dev/null @@ -1,348 +0,0 @@ -/* - * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver - * drivers/misc/iwmc3200top/log.c - * - * Copyright (C) 2009 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * - * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com> - * - - * - */ - -#include <linux/kernel.h> -#include <linux/mmc/sdio_func.h> -#include <linux/slab.h> -#include <linux/ctype.h> -#include "fw-msg.h" -#include "iwmc3200top.h" -#include "log.h" - -/* Maximal hexadecimal string size of the FW memdump message */ -#define LOG_MSG_SIZE_MAX 12400 - -/* iwmct_logdefs is a global used by log macros */ -u8 iwmct_logdefs[LOG_SRC_MAX]; -static u8 iwmct_fw_logdefs[FW_LOG_SRC_MAX]; - - -static int _log_set_log_filter(u8 *logdefs, int size, u8 src, u8 logmask) -{ - int i; - - if (src < size) - logdefs[src] = logmask; - else if (src == LOG_SRC_ALL) - for (i = 0; i < size; i++) - logdefs[i] = logmask; - else - return -1; - - return 0; -} - - -int iwmct_log_set_filter(u8 src, u8 logmask) -{ - return _log_set_log_filter(iwmct_logdefs, LOG_SRC_MAX, src, logmask); -} - - -int iwmct_log_set_fw_filter(u8 src, u8 logmask) -{ - return _log_set_log_filter(iwmct_fw_logdefs, - FW_LOG_SRC_MAX, src, logmask); -} - - -static int log_msg_format_hex(char *str, int slen, u8 *ibuf, - int ilen, char *pref) -{ - int pos = 0; - int i; - int len; - - for (pos = 0, i = 0; pos < slen - 2 && pref[i] != '\0'; i++, pos++) - str[pos] = pref[i]; - - for (i = 0; pos < slen - 2 && i < ilen; pos += len, i++) - len = snprintf(&str[pos], slen - pos - 1, " %2.2X", ibuf[i]); - - if (i < ilen) - return -1; - - return 0; -} - -/* NOTE: This function is not thread safe. - Currently it's called only from sdio rx worker - no race there -*/ -void iwmct_log_top_message(struct iwmct_priv *priv, u8 *buf, int len) -{ - struct top_msg *msg; - static char logbuf[LOG_MSG_SIZE_MAX]; - - msg = (struct top_msg *)buf; - - if (len < sizeof(msg->hdr) + sizeof(msg->u.log.log_hdr)) { - LOG_ERROR(priv, FW_MSG, "Log message from TOP " - "is too short %d (expected %zd)\n", - len, sizeof(msg->hdr) + sizeof(msg->u.log.log_hdr)); - return; - } - - if (!(iwmct_fw_logdefs[msg->u.log.log_hdr.logsource] & - BIT(msg->u.log.log_hdr.severity)) || - !(iwmct_logdefs[LOG_SRC_FW_MSG] & BIT(msg->u.log.log_hdr.severity))) - return; - - switch (msg->hdr.category) { - case COMM_CATEGORY_TESTABILITY: - if (!(iwmct_logdefs[LOG_SRC_TST] & - BIT(msg->u.log.log_hdr.severity))) - return; - if (log_msg_format_hex(logbuf, LOG_MSG_SIZE_MAX, buf, - le16_to_cpu(msg->hdr.length) + - sizeof(msg->hdr), "<TST>")) - LOG_WARNING(priv, TST, - "TOP TST message is too long, truncating..."); - LOG_WARNING(priv, TST, "%s\n", logbuf); - break; - case COMM_CATEGORY_DEBUG: - if (msg->hdr.opcode == OP_DBG_ZSTR_MSG) - LOG_INFO(priv, FW_MSG, "%s %s", "<DBG>", - ((u8 *)msg) + sizeof(msg->hdr) - + sizeof(msg->u.log.log_hdr)); - else { - if (log_msg_format_hex(logbuf, LOG_MSG_SIZE_MAX, buf, - le16_to_cpu(msg->hdr.length) - + sizeof(msg->hdr), - "<DBG>")) - LOG_WARNING(priv, FW_MSG, - "TOP DBG message is too long," - "truncating..."); - LOG_WARNING(priv, FW_MSG, "%s\n", logbuf); - } - break; - default: - break; - } -} - -static int _log_get_filter_str(u8 *logdefs, int logdefsz, char *buf, int size) -{ - int i, pos, len; - for (i = 0, pos = 0; (pos < size-1) && (i < logdefsz); i++) { - len = snprintf(&buf[pos], size - pos - 1, "0x%02X%02X,", - i, logdefs[i]); - pos += len; - } - buf[pos-1] = '\n'; - buf[pos] = '\0'; - - if (i < logdefsz) - return -1; - return 0; -} - -int log_get_filter_str(char *buf, int size) -{ - return _log_get_filter_str(iwmct_logdefs, LOG_SRC_MAX, buf, size); -} - -int log_get_fw_filter_str(char *buf, int size) -{ - return _log_get_filter_str(iwmct_fw_logdefs, FW_LOG_SRC_MAX, buf, size); -} - -#define HEXADECIMAL_RADIX 16 -#define LOG_SRC_FORMAT 7 /* log level is in format of "0xXXXX," */ - -ssize_t show_iwmct_log_level(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct iwmct_priv *priv = dev_get_drvdata(d); - char *str_buf; - int buf_size; - ssize_t ret; - - buf_size = (LOG_SRC_FORMAT * LOG_SRC_MAX) + 1; - str_buf = kzalloc(buf_size, GFP_KERNEL); - if (!str_buf) { - LOG_ERROR(priv, DEBUGFS, - "failed to allocate %d bytes\n", buf_size); - ret = -ENOMEM; - goto exit; - } - - if (log_get_filter_str(str_buf, buf_size) < 0) { - ret = -EINVAL; - goto exit; - } - - ret = sprintf(buf, "%s", str_buf); - -exit: - kfree(str_buf); - return ret; -} - -ssize_t store_iwmct_log_level(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct iwmct_priv *priv = dev_get_drvdata(d); - char *token, *str_buf = NULL; - long val; - ssize_t ret = count; - u8 src, mask; - - if (!count) - goto exit; - - str_buf = kzalloc(count, GFP_KERNEL); - if (!str_buf) { - LOG_ERROR(priv, DEBUGFS, - "failed to allocate %zd bytes\n", count); - ret = -ENOMEM; - goto exit; - } - - memcpy(str_buf, buf, count); - - while ((token = strsep(&str_buf, ",")) != NULL) { - while (isspace(*token)) - ++token; - if (strict_strtol(token, HEXADECIMAL_RADIX, &val)) { - LOG_ERROR(priv, DEBUGFS, - "failed to convert string to long %s\n", - token); - ret = -EINVAL; - goto exit; - } - - mask = val & 0xFF; - src = (val & 0XFF00) >> 8; - iwmct_log_set_filter(src, mask); - } - -exit: - kfree(str_buf); - return ret; -} - -ssize_t show_iwmct_log_level_fw(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct iwmct_priv *priv = dev_get_drvdata(d); - char *str_buf; - int buf_size; - ssize_t ret; - - buf_size = (LOG_SRC_FORMAT * FW_LOG_SRC_MAX) + 2; - - str_buf = kzalloc(buf_size, GFP_KERNEL); - if (!str_buf) { - LOG_ERROR(priv, DEBUGFS, - "failed to allocate %d bytes\n", buf_size); - ret = -ENOMEM; - goto exit; - } - - if (log_get_fw_filter_str(str_buf, buf_size) < 0) { - ret = -EINVAL; - goto exit; - } - - ret = sprintf(buf, "%s", str_buf); - -exit: - kfree(str_buf); - return ret; -} - -ssize_t store_iwmct_log_level_fw(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct iwmct_priv *priv = dev_get_drvdata(d); - struct top_msg cmd; - char *token, *str_buf = NULL; - ssize_t ret = count; - u16 cmdlen = 0; - int i; - long val; - u8 src, mask; - - if (!count) - goto exit; - - str_buf = kzalloc(count, GFP_KERNEL); - if (!str_buf) { - LOG_ERROR(priv, DEBUGFS, - "failed to allocate %zd bytes\n", count); - ret = -ENOMEM; - goto exit; - } - - memcpy(str_buf, buf, count); - - cmd.hdr.type = COMM_TYPE_H2D; - cmd.hdr.category = COMM_CATEGORY_DEBUG; - cmd.hdr.opcode = CMD_DBG_LOG_LEVEL; - - for (i = 0; ((token = strsep(&str_buf, ",")) != NULL) && - (i < FW_LOG_SRC_MAX); i++) { - - while (isspace(*token)) - ++token; - - if (strict_strtol(token, HEXADECIMAL_RADIX, &val)) { - LOG_ERROR(priv, DEBUGFS, - "failed to convert string to long %s\n", - token); - ret = -EINVAL; - goto exit; - } - - mask = val & 0xFF; /* LSB */ - src = (val & 0XFF00) >> 8; /* 2nd least significant byte. */ - iwmct_log_set_fw_filter(src, mask); - - cmd.u.logdefs[i].logsource = src; - cmd.u.logdefs[i].sevmask = mask; - } - - cmd.hdr.length = cpu_to_le16(i * sizeof(cmd.u.logdefs[0])); - cmdlen = (i * sizeof(cmd.u.logdefs[0]) + sizeof(cmd.hdr)); - - ret = iwmct_send_hcmd(priv, (u8 *)&cmd, cmdlen); - if (ret) { - LOG_ERROR(priv, DEBUGFS, - "Failed to send %d bytes of fwcmd, ret=%zd\n", - cmdlen, ret); - goto exit; - } else - LOG_INFO(priv, DEBUGFS, "fwcmd sent (%d bytes)\n", cmdlen); - - ret = count; - -exit: - kfree(str_buf); - return ret; -} - |