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path: root/drivers/net/wireless/iwlwifi/iwl-debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c119
1 files changed, 61 insertions, 58 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 6fe80b5e7a15..8842411f1cf3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -207,18 +207,19 @@ static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
return ret;
}
-#define BYTE1_MASK 0x000000ff;
-#define BYTE2_MASK 0x0000ffff;
-#define BYTE3_MASK 0x00ffffff;
static ssize_t iwl_dbgfs_sram_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
- u32 val;
+ u32 val = 0;
char *buf;
ssize_t ret;
- int i;
+ int i = 0;
+ bool device_format = false;
+ int offset = 0;
+ int len = 0;
int pos = 0;
+ int sram;
struct iwl_priv *priv = file->private_data;
size_t bufsz;
@@ -230,35 +231,62 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
else
priv->dbgfs_sram_len = priv->ucode_data.len;
}
- bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
+ len = priv->dbgfs_sram_len;
+
+ if (len == -4) {
+ device_format = true;
+ len = 4;
+ }
+
+ bufsz = 50 + len * 4;
buf = kmalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
+
pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
- priv->dbgfs_sram_len);
+ len);
pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
priv->dbgfs_sram_offset);
- for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
- val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
- priv->dbgfs_sram_len - i);
- if (i < 4) {
- switch (i) {
- case 1:
- val &= BYTE1_MASK;
- break;
- case 2:
- val &= BYTE2_MASK;
- break;
- case 3:
- val &= BYTE3_MASK;
- break;
- }
+
+ /* adjust sram address since reads are only on even u32 boundaries */
+ offset = priv->dbgfs_sram_offset & 0x3;
+ sram = priv->dbgfs_sram_offset & ~0x3;
+
+ /* read the first u32 from sram */
+ val = iwl_read_targ_mem(priv, sram);
+
+ for (; len; len--) {
+ /* put the address at the start of every line */
+ if (i == 0)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "%08X: ", sram + offset);
+
+ if (device_format)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "%02x", (val >> (8 * (3 - offset))) & 0xff);
+ else
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "%02x ", (val >> (8 * offset)) & 0xff);
+
+ /* if all bytes processed, read the next u32 from sram */
+ if (++offset == 4) {
+ sram += 4;
+ offset = 0;
+ val = iwl_read_targ_mem(priv, sram);
}
- if (!(i % 16))
+
+ /* put in extra spaces and split lines for human readability */
+ if (++i == 16) {
+ i = 0;
pos += scnprintf(buf + pos, bufsz - pos, "\n");
- pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
+ } else if (!(i & 7)) {
+ pos += scnprintf(buf + pos, bufsz - pos, " ");
+ } else if (!(i & 3)) {
+ pos += scnprintf(buf + pos, bufsz - pos, " ");
+ }
}
- pos += scnprintf(buf + pos, bufsz - pos, "\n");
+ if (i)
+ pos += scnprintf(buf + pos, bufsz - pos, "\n");
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
@@ -282,6 +310,9 @@ static ssize_t iwl_dbgfs_sram_write(struct file *file,
if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
priv->dbgfs_sram_offset = offset;
priv->dbgfs_sram_len = len;
+ } else if (sscanf(buf, "%x", &offset) == 1) {
+ priv->dbgfs_sram_offset = offset;
+ priv->dbgfs_sram_len = -4;
} else {
priv->dbgfs_sram_offset = 0;
priv->dbgfs_sram_len = 0;
@@ -668,29 +699,6 @@ static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
-static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_priv *priv = file->private_data;
- int pos = 0;
- char buf[256];
- const size_t bufsz = sizeof(buf);
-
- pos += scnprintf(buf + pos, bufsz - pos,
- "allow blinking: %s\n",
- (priv->allow_blinking) ? "True" : "False");
- if (priv->allow_blinking) {
- pos += scnprintf(buf + pos, bufsz - pos,
- "Led blinking rate: %u\n",
- priv->last_blink_rate);
- pos += scnprintf(buf + pos, bufsz - pos,
- "Last blink time: %lu\n",
- priv->last_blink_time);
- }
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -856,7 +864,6 @@ DEBUGFS_READ_FILE_OPS(channels);
DEBUGFS_READ_FILE_OPS(status);
DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
DEBUGFS_READ_FILE_OPS(qos);
-DEBUGFS_READ_FILE_OPS(led);
DEBUGFS_READ_FILE_OPS(thermal_throttling);
DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
@@ -1580,10 +1587,9 @@ static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
"last traffic notif: %d\n",
priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
- "sco_active: %d, kill_ack_mask: %x, "
- "kill_cts_mask: %x\n",
- priv->bt_ch_announce, priv->bt_sco_active,
- priv->kill_ack_mask, priv->kill_cts_mask);
+ "kill_ack_mask: %x, kill_cts_mask: %x\n",
+ priv->bt_ch_announce, priv->kill_ack_mask,
+ priv->kill_cts_mask);
pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
switch (priv->bt_traffic_load) {
@@ -1725,7 +1731,6 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
- DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
if (!priv->cfg->base_params->broken_powersave) {
DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
S_IWUSR | S_IRUSR);
@@ -1759,13 +1764,13 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
if (priv->cfg->base_params->ucode_tracing)
DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
- if (priv->cfg->bt_params && priv->cfg->bt_params->bt_statistics)
+ if (iwl_bt_statistics(priv))
DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
- if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist)
+ if (iwl_advanced_bt_coexist(priv))
DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
if (priv->cfg->base_params->sensitivity_calib_by_driver)
DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
@@ -1783,7 +1788,6 @@ err:
iwl_dbgfs_unregister(priv);
return -ENOMEM;
}
-EXPORT_SYMBOL(iwl_dbgfs_register);
/**
* Remove the debugfs files and directories
@@ -1797,7 +1801,6 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
debugfs_remove_recursive(priv->debugfs_dir);
priv->debugfs_dir = NULL;
}
-EXPORT_SYMBOL(iwl_dbgfs_unregister);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-22 17:14:31 +0300