AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/net/wireless/iwmc3200wifi/debugfs.c
Paul Gortmaker ee40fa0656 drivers/net: Add export.h to files using EXPORT_SYMBOL/THIS_MODULE 
These were getting the macros from an implicit module.h
include via device.h, but we are planning to clean that up.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

drivers/net: Add export.h to wireless/brcm80211/brcmfmac/bcmsdh.c

This relatively recently added file uses EXPORT_SYMBOL and hence
needs export.h included so that it is compatible with the module.h
split up work.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-10-31 19:31:08 -04:00

495 lines
13 KiB
C
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/*
* Intel Wireless Multicomm 3200 WiFi driver
*
* Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
* Samuel Ortiz <samuel.ortiz@intel.com>
* Zhu Yi <yi.zhu@intel.com>
*
* 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.
*
*/
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/debugfs.h>
#include <linux/export.h>
#include "iwm.h"
#include "bus.h"
#include "rx.h"
#include "debug.h"
static struct {
u8 id;
char *name;
} iwm_debug_module[__IWM_DM_NR] = {
{IWM_DM_BOOT, "boot"},
{IWM_DM_FW, "fw"},
{IWM_DM_SDIO, "sdio"},
{IWM_DM_NTF, "ntf"},
{IWM_DM_RX, "rx"},
{IWM_DM_TX, "tx"},
{IWM_DM_MLME, "mlme"},
{IWM_DM_CMD, "cmd"},
{IWM_DM_WEXT, "wext"},
};
#define add_dbg_module(dbg, name, id, initlevel) \
do { \
dbg.dbg_module[id] = (initlevel); \
dbg.dbg_module_dentries[id] = \
debugfs_create_x8(name, 0600, \
dbg.dbgdir, \
&(dbg.dbg_module[id])); \
} while (0)
static int iwm_debugfs_u32_read(void *data, u64 *val)
{
struct iwm_priv *iwm = data;
*val = iwm->dbg.dbg_level;
return 0;
}
static int iwm_debugfs_dbg_level_write(void *data, u64 val)
{
struct iwm_priv *iwm = data;
int i;
iwm->dbg.dbg_level = val;
for (i = 0; i < __IWM_DM_NR; i++)
iwm->dbg.dbg_module[i] = val;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_level,
iwm_debugfs_u32_read, iwm_debugfs_dbg_level_write,
"%llu\n");
static int iwm_debugfs_dbg_modules_write(void *data, u64 val)
{
struct iwm_priv *iwm = data;
int i, bit;
iwm->dbg.dbg_modules = val;
for (i = 0; i < __IWM_DM_NR; i++)
iwm->dbg.dbg_module[i] = 0;
for_each_set_bit(bit, &iwm->dbg.dbg_modules, __IWM_DM_NR)
iwm->dbg.dbg_module[bit] = iwm->dbg.dbg_level;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules,
iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write,
"%llu\n");
static int iwm_generic_open(struct inode *inode, struct file *filp)
{
filp->private_data = inode->i_private;
return 0;
}
static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer,
size_t count, loff_t *ppos)
{
struct iwm_priv *iwm = filp->private_data;
char *buf;
int i, buf_len = 4096;
size_t len = 0;
ssize_t ret;
if (*ppos != 0)
return 0;
if (count < sizeof(buf))
return -ENOSPC;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
for (i = 0; i < IWM_TX_QUEUES; i++) {
struct iwm_tx_queue *txq = &iwm->txq[i];
struct sk_buff *skb;
int j;
unsigned long flags;
spin_lock_irqsave(&txq->queue.lock, flags);
skb = (struct sk_buff *)&txq->queue;
len += snprintf(buf + len, buf_len - len, "TXQ #%d\n", i);
len += snprintf(buf + len, buf_len - len, "\tStopped: %d\n",
__netif_subqueue_stopped(iwm_to_ndev(iwm),
txq->id));
len += snprintf(buf + len, buf_len - len, "\tConcat count:%d\n",
txq->concat_count);
len += snprintf(buf + len, buf_len - len, "\tQueue len: %d\n",
skb_queue_len(&txq->queue));
for (j = 0; j < skb_queue_len(&txq->queue); j++) {
struct iwm_tx_info *tx_info;
skb = skb->next;
tx_info = skb_to_tx_info(skb);
len += snprintf(buf + len, buf_len - len,
"\tSKB #%d\n", j);
len += snprintf(buf + len, buf_len - len,
"\t\tsta: %d\n", tx_info->sta);
len += snprintf(buf + len, buf_len - len,
"\t\tcolor: %d\n", tx_info->color);
len += snprintf(buf + len, buf_len - len,
"\t\ttid: %d\n", tx_info->tid);
}
spin_unlock_irqrestore(&txq->queue.lock, flags);
spin_lock_irqsave(&txq->stopped_queue.lock, flags);
len += snprintf(buf + len, buf_len - len,
"\tStopped Queue len: %d\n",
skb_queue_len(&txq->stopped_queue));
for (j = 0; j < skb_queue_len(&txq->stopped_queue); j++) {
struct iwm_tx_info *tx_info;
skb = skb->next;
tx_info = skb_to_tx_info(skb);
len += snprintf(buf + len, buf_len - len,
"\tSKB #%d\n", j);
len += snprintf(buf + len, buf_len - len,
"\t\tsta: %d\n", tx_info->sta);
len += snprintf(buf + len, buf_len - len,
"\t\tcolor: %d\n", tx_info->color);
len += snprintf(buf + len, buf_len - len,
"\t\ttid: %d\n", tx_info->tid);
}
spin_unlock_irqrestore(&txq->stopped_queue.lock, flags);
}
ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len);
kfree(buf);
return ret;
}
static ssize_t iwm_debugfs_tx_credit_read(struct file *filp,
char __user *buffer,
size_t count, loff_t *ppos)
{
struct iwm_priv *iwm = filp->private_data;
struct iwm_tx_credit *credit = &iwm->tx_credit;
char *buf;
int i, buf_len = 4096;
size_t len = 0;
ssize_t ret;
if (*ppos != 0)
return 0;
if (count < sizeof(buf))
return -ENOSPC;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
len += snprintf(buf + len, buf_len - len,
"NR pools: %d\n", credit->pool_nr);
len += snprintf(buf + len, buf_len - len,
"pools map: 0x%lx\n", credit->full_pools_map);
len += snprintf(buf + len, buf_len - len, "\n### POOLS ###\n");
for (i = 0; i < IWM_MACS_OUT_GROUPS; i++) {
len += snprintf(buf + len, buf_len - len,
"pools entry #%d\n", i);
len += snprintf(buf + len, buf_len - len,
"\tid: %d\n",
credit->pools[i].id);
len += snprintf(buf + len, buf_len - len,
"\tsid: %d\n",
credit->pools[i].sid);
len += snprintf(buf + len, buf_len - len,
"\tmin_pages: %d\n",
credit->pools[i].min_pages);
len += snprintf(buf + len, buf_len - len,
"\tmax_pages: %d\n",
credit->pools[i].max_pages);
len += snprintf(buf + len, buf_len - len,
"\talloc_pages: %d\n",
credit->pools[i].alloc_pages);
len += snprintf(buf + len, buf_len - len,
"\tfreed_pages: %d\n",
credit->pools[i].total_freed_pages);
}
len += snprintf(buf + len, buf_len - len, "\n### SPOOLS ###\n");
for (i = 0; i < IWM_MACS_OUT_SGROUPS; i++) {
len += snprintf(buf + len, buf_len - len,
"spools entry #%d\n", i);
len += snprintf(buf + len, buf_len - len,
"\tid: %d\n",
credit->spools[i].id);
len += snprintf(buf + len, buf_len - len,
"\tmax_pages: %d\n",
credit->spools[i].max_pages);
len += snprintf(buf + len, buf_len - len,
"\talloc_pages: %d\n",
credit->spools[i].alloc_pages);
}
ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len);
kfree(buf);
return ret;
}
static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp,
char __user *buffer,
size_t count, loff_t *ppos)
{
struct iwm_priv *iwm = filp->private_data;
struct iwm_rx_ticket_node *ticket;
char *buf;
int buf_len = 4096, i;
size_t len = 0;
ssize_t ret;
if (*ppos != 0)
return 0;
if (count < sizeof(buf))
return -ENOSPC;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
spin_lock(&iwm->ticket_lock);
list_for_each_entry(ticket, &iwm->rx_tickets, node) {
len += snprintf(buf + len, buf_len - len, "Ticket #%d\n",
ticket->ticket->id);
len += snprintf(buf + len, buf_len - len, "\taction: 0x%x\n",
ticket->ticket->action);
len += snprintf(buf + len, buf_len - len, "\tflags: 0x%x\n",
ticket->ticket->flags);
}
spin_unlock(&iwm->ticket_lock);
for (i = 0; i < IWM_RX_ID_HASH; i++) {
struct iwm_rx_packet *packet;
struct list_head *pkt_list = &iwm->rx_packets[i];
if (!list_empty(pkt_list)) {
len += snprintf(buf + len, buf_len - len,
"Packet hash #%d\n", i);
spin_lock(&iwm->packet_lock[i]);
list_for_each_entry(packet, pkt_list, node) {
len += snprintf(buf + len, buf_len - len,
"\tPacket id: %d\n",
packet->id);
len += snprintf(buf + len, buf_len - len,
"\tPacket length: %lu\n",
packet->pkt_size);
}
spin_unlock(&iwm->packet_lock[i]);
}
}
ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len);
kfree(buf);
return ret;
}
static ssize_t iwm_debugfs_fw_err_read(struct file *filp,
char __user *buffer,
size_t count, loff_t *ppos)
{
struct iwm_priv *iwm = filp->private_data;
char buf[512];
int buf_len = 512;
size_t len = 0;
if (*ppos != 0)
return 0;
if (count < sizeof(buf))
return -ENOSPC;
if (!iwm->last_fw_err)
return -ENOMEM;
if (iwm->last_fw_err->line_num == 0)
goto out;
len += snprintf(buf + len, buf_len - len, "%cMAC FW ERROR:\n",
(le32_to_cpu(iwm->last_fw_err->category) == UMAC_SYS_ERR_CAT_LMAC)
? 'L' : 'U');
len += snprintf(buf + len, buf_len - len,
"\tCategory: %d\n",
le32_to_cpu(iwm->last_fw_err->category));
len += snprintf(buf + len, buf_len - len,
"\tStatus: 0x%x\n",
le32_to_cpu(iwm->last_fw_err->status));
len += snprintf(buf + len, buf_len - len,
"\tPC: 0x%x\n",
le32_to_cpu(iwm->last_fw_err->pc));
len += snprintf(buf + len, buf_len - len,
"\tblink1: %d\n",
le32_to_cpu(iwm->last_fw_err->blink1));
len += snprintf(buf + len, buf_len - len,
"\tblink2: %d\n",
le32_to_cpu(iwm->last_fw_err->blink2));
len += snprintf(buf + len, buf_len - len,
"\tilink1: %d\n",
le32_to_cpu(iwm->last_fw_err->ilink1));
len += snprintf(buf + len, buf_len - len,
"\tilink2: %d\n",
le32_to_cpu(iwm->last_fw_err->ilink2));
len += snprintf(buf + len, buf_len - len,
"\tData1: 0x%x\n",
le32_to_cpu(iwm->last_fw_err->data1));
len += snprintf(buf + len, buf_len - len,
"\tData2: 0x%x\n",
le32_to_cpu(iwm->last_fw_err->data2));
len += snprintf(buf + len, buf_len - len,
"\tLine number: %d\n",
le32_to_cpu(iwm->last_fw_err->line_num));
len += snprintf(buf + len, buf_len - len,
"\tUMAC status: 0x%x\n",
le32_to_cpu(iwm->last_fw_err->umac_status));
len += snprintf(buf + len, buf_len - len,
"\tLMAC status: 0x%x\n",
le32_to_cpu(iwm->last_fw_err->lmac_status));
len += snprintf(buf + len, buf_len - len,
"\tSDIO status: 0x%x\n",
le32_to_cpu(iwm->last_fw_err->sdio_status));
out:
return simple_read_from_buffer(buffer, len, ppos, buf, buf_len);
}
static const struct file_operations iwm_debugfs_txq_fops = {
.owner = THIS_MODULE,
.open = iwm_generic_open,
.read = iwm_debugfs_txq_read,
.llseek = default_llseek,
};
static const struct file_operations iwm_debugfs_tx_credit_fops = {
.owner = THIS_MODULE,
.open = iwm_generic_open,
.read = iwm_debugfs_tx_credit_read,
.llseek = default_llseek,
};
static const struct file_operations iwm_debugfs_rx_ticket_fops = {
.owner = THIS_MODULE,
.open = iwm_generic_open,
.read = iwm_debugfs_rx_ticket_read,
.llseek = default_llseek,
};
static const struct file_operations iwm_debugfs_fw_err_fops = {
.owner = THIS_MODULE,
.open = iwm_generic_open,
.read = iwm_debugfs_fw_err_read,
.llseek = default_llseek,
};
void iwm_debugfs_init(struct iwm_priv *iwm)
{
int i;
iwm->dbg.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
iwm->dbg.devdir = debugfs_create_dir(wiphy_name(iwm_to_wiphy(iwm)),
iwm->dbg.rootdir);
iwm->dbg.dbgdir = debugfs_create_dir("debug", iwm->dbg.devdir);
iwm->dbg.rxdir = debugfs_create_dir("rx", iwm->dbg.devdir);
iwm->dbg.txdir = debugfs_create_dir("tx", iwm->dbg.devdir);
iwm->dbg.busdir = debugfs_create_dir("bus", iwm->dbg.devdir);
if (iwm->bus_ops->debugfs_init)
iwm->bus_ops->debugfs_init(iwm, iwm->dbg.busdir);
iwm->dbg.dbg_level = IWM_DL_NONE;
iwm->dbg.dbg_level_dentry =
debugfs_create_file("level", 0200, iwm->dbg.dbgdir, iwm,
&fops_iwm_dbg_level);
iwm->dbg.dbg_modules = IWM_DM_DEFAULT;
iwm->dbg.dbg_modules_dentry =
debugfs_create_file("modules", 0200, iwm->dbg.dbgdir, iwm,
&fops_iwm_dbg_modules);
for (i = 0; i < __IWM_DM_NR; i++)
add_dbg_module(iwm->dbg, iwm_debug_module[i].name,
iwm_debug_module[i].id, IWM_DL_DEFAULT);
iwm->dbg.txq_dentry = debugfs_create_file("queues", 0200,
iwm->dbg.txdir, iwm,
&iwm_debugfs_txq_fops);
iwm->dbg.tx_credit_dentry = debugfs_create_file("credits", 0200,
iwm->dbg.txdir, iwm,
&iwm_debugfs_tx_credit_fops);
iwm->dbg.rx_ticket_dentry = debugfs_create_file("tickets", 0200,
iwm->dbg.rxdir, iwm,
&iwm_debugfs_rx_ticket_fops);
iwm->dbg.fw_err_dentry = debugfs_create_file("last_fw_err", 0200,
iwm->dbg.dbgdir, iwm,
&iwm_debugfs_fw_err_fops);
}
void iwm_debugfs_exit(struct iwm_priv *iwm)
{
int i;
for (i = 0; i < __IWM_DM_NR; i++)
debugfs_remove(iwm->dbg.dbg_module_dentries[i]);
debugfs_remove(iwm->dbg.dbg_modules_dentry);
debugfs_remove(iwm->dbg.dbg_level_dentry);
debugfs_remove(iwm->dbg.txq_dentry);
debugfs_remove(iwm->dbg.tx_credit_dentry);
debugfs_remove(iwm->dbg.rx_ticket_dentry);
debugfs_remove(iwm->dbg.fw_err_dentry);
if (iwm->bus_ops->debugfs_exit)
iwm->bus_ops->debugfs_exit(iwm);
debugfs_remove(iwm->dbg.busdir);
debugfs_remove(iwm->dbg.dbgdir);
debugfs_remove(iwm->dbg.txdir);
debugfs_remove(iwm->dbg.rxdir);
debugfs_remove(iwm->dbg.devdir);
debugfs_remove(iwm->dbg.rootdir);
}
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