void igb_check_options(struct igb_adapter *adapter)
{
int bd = adapter->bd_number;
struct e1000_hw *hw = &adapter->hw;
if (bd >= IGB_MAX_NIC) {
DPRINTK(PROBE, NOTICE,
"Warning: no configuration for board #%d\n", bd);
DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
#ifndef module_param_array
bd = IGB_MAX_NIC;
#endif
}
{ /* Interrupt Throttling Rate */
struct igb_option opt = {
.type = range_option,
.name = "Interrupt Throttling Rate (ints/sec)",
.err = "using default of " __MODULE_STRING(DEFAULT_ITR),
.def = DEFAULT_ITR,
.arg = { .r = { .min = MIN_ITR,
.max = MAX_ITR } }
};
#ifdef module_param_array
if (num_InterruptThrottleRate > bd) {
#endif
unsigned int itr = InterruptThrottleRate[bd];
switch (itr) {
case 0:
DPRINTK(PROBE, INFO, "%s turned off\n",
opt.name);
if (hw->mac.type >= e1000_i350)
adapter->dmac = IGB_DMAC_DISABLE;
adapter->rx_itr_setting = itr;
break;
case 1:
DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
opt.name);
adapter->rx_itr_setting = itr;
break;
case 3:
DPRINTK(PROBE, INFO,
"%s set to dynamic conservative mode\n",
opt.name);
adapter->rx_itr_setting = itr;
break;
default:
igb_validate_option(&itr, &opt, adapter);
/* Save the setting, because the dynamic bits
* change itr. In case of invalid user value,
* default to conservative mode, else need to
* clear the lower two bits because they are
* used as control */
if (itr == 3) {
adapter->rx_itr_setting = itr;
} else {
adapter->rx_itr_setting = 1000000000 /
(itr * 256);
adapter->rx_itr_setting &= ~3;
}
break;
}
#ifdef module_param_array
} else {
adapter->rx_itr_setting = opt.def;
}
#endif
adapter->tx_itr_setting = adapter->rx_itr_setting;
}
{ /* Interrupt Mode */
struct igb_option opt = {
.type = range_option,
.name = "Interrupt Mode",
.err = "defaulting to 2 (MSI-X)",
.def = IGB_INT_MODE_MSIX,
.arg = { .r = { .min = MIN_INTMODE,
.max = MAX_INTMODE } }
};
#ifdef module_param_array
if (num_IntMode > bd) {
#endif
unsigned int int_mode = IntMode[bd];
igb_validate_option(&int_mode, &opt, adapter);
adapter->int_mode = int_mode;
#ifdef module_param_array
} else {
adapter->int_mode = opt.def;
}
#endif
}
{ /* Low Latency Interrupt TCP Port */
struct igb_option opt = {
.type = range_option,
.name = "Low Latency Interrupt TCP Port",
.err = "using default of " __MODULE_STRING(DEFAULT_LLIPORT),
.def = DEFAULT_LLIPORT,
.arg = { .r = { .min = MIN_LLIPORT,
.max = MAX_LLIPORT } }
};
#ifdef module_param_array
if (num_LLIPort > bd) {
#endif
adapter->lli_port = LLIPort[bd];
if (adapter->lli_port) {
igb_validate_option(&adapter->lli_port, &opt,
adapter);
} else {
DPRINTK(PROBE, INFO, "%s turned off\n",
opt.name);
}
#ifdef module_param_array
} else {
adapter->lli_port = opt.def;
}
#endif
}
{ /* Low Latency Interrupt on Packet Size */
struct igb_option opt = {
.type = range_option,
.name = "Low Latency Interrupt on Packet Size",
.err = "using default of " __MODULE_STRING(DEFAULT_LLISIZE),
.def = DEFAULT_LLISIZE,
.arg = { .r = { .min = MIN_LLISIZE,
.max = MAX_LLISIZE } }
};
#ifdef module_param_array
if (num_LLISize > bd) {
#endif
adapter->lli_size = LLISize[bd];
if (adapter->lli_size) {
igb_validate_option(&adapter->lli_size, &opt,
adapter);
} else {
DPRINTK(PROBE, INFO, "%s turned off\n",
opt.name);
}
#ifdef module_param_array
} else {
adapter->lli_size = opt.def;
}
#endif
}
{ /* Low Latency Interrupt on TCP Push flag */
struct igb_option opt = {
.type = enable_option,
.name = "Low Latency Interrupt on TCP Push flag",
.err = "defaulting to Disabled",
.def = OPTION_DISABLED
};
#ifdef module_param_array
if (num_LLIPush > bd) {
#endif
unsigned int lli_push = LLIPush[bd];
igb_validate_option(&lli_push, &opt, adapter);
adapter->flags |= lli_push ? IGB_FLAG_LLI_PUSH : 0;
#ifdef module_param_array
} else {
adapter->flags |= opt.def ? IGB_FLAG_LLI_PUSH : 0;
}
#endif
}
{ /* SRIOV - Enable SR-IOV VF devices */
struct igb_option opt = {
.type = range_option,
.name = "max_vfs - SR-IOV VF devices",
.err = "using default of " __MODULE_STRING(DEFAULT_SRIOV),
.def = DEFAULT_SRIOV,
.arg = { .r = { .min = MIN_SRIOV,
.max = MAX_SRIOV } }
};
#ifdef module_param_array
if (num_max_vfs > bd) {
#endif
adapter->vfs_allocated_count = max_vfs[bd];
igb_validate_option(&adapter->vfs_allocated_count, &opt, adapter);
#ifdef module_param_array
} else {
adapter->vfs_allocated_count = opt.def;
}
#endif
if (adapter->vfs_allocated_count) {
switch (hw->mac.type) {
case e1000_82575:
case e1000_82580:
case e1000_i210:
case e1000_i211:
case e1000_i354:
adapter->vfs_allocated_count = 0;
DPRINTK(PROBE, INFO, "SR-IOV option max_vfs not supported.\n");
default:
break;
}
}
}
{ /* VMDQ - Enable VMDq multiqueue receive */
struct igb_option opt = {
.type = range_option,
.name = "VMDQ - VMDq multiqueue queue count",
.err = "using default of " __MODULE_STRING(DEFAULT_VMDQ),
.def = DEFAULT_VMDQ,
.arg = { .r = { .min = MIN_VMDQ,
.max = (MAX_VMDQ - adapter->vfs_allocated_count) } }
};
if ((hw->mac.type != e1000_i210) ||
(hw->mac.type != e1000_i211)) {
#ifdef module_param_array
if (num_VMDQ > bd) {
#endif
adapter->vmdq_pools = (VMDQ[bd] == 1 ? 0 : VMDQ[bd]);
if (adapter->vfs_allocated_count && !adapter->vmdq_pools) {
DPRINTK(PROBE, INFO, "Enabling SR-IOV requires VMDq be set to at least 1\n");
adapter->vmdq_pools = 1;
}
igb_validate_option(&adapter->vmdq_pools, &opt, adapter);
#ifdef module_param_array
} else {
if (!adapter->vfs_allocated_count)
adapter->vmdq_pools = (opt.def == 1 ? 0 : opt.def);
else
adapter->vmdq_pools = 1;
}
#endif
#ifdef CONFIG_IGB_VMDQ_NETDEV
if (hw->mac.type == e1000_82575 && adapter->vmdq_pools) {
DPRINTK(PROBE, INFO, "VMDq not supported on this part.\n");
adapter->vmdq_pools = 0;
}
#endif
} else {
DPRINTK(PROBE, INFO, "VMDq option is not supported.\n");
adapter->vmdq_pools = opt.def;
}
}
{ /* RSS - Enable RSS multiqueue receives */
struct igb_option opt = {
.type = range_option,
.name = "RSS - RSS multiqueue receive count",
.err = "using default of " __MODULE_STRING(DEFAULT_RSS),
.def = DEFAULT_RSS,
.arg = { .r = { .min = MIN_RSS,
.max = MAX_RSS } }
};
switch (hw->mac.type) {
case e1000_82575:
#ifndef CONFIG_IGB_VMDQ_NETDEV
if (!!adapter->vmdq_pools) {
if (adapter->vmdq_pools <= 2) {
if (adapter->vmdq_pools == 2)
opt.arg.r.max = 3;
} else {
opt.arg.r.max = 1;
}
} else {
opt.arg.r.max = 4;
}
#else
opt.arg.r.max = !!adapter->vmdq_pools ? 1 : 4;
#endif /* CONFIG_IGB_VMDQ_NETDEV */
break;
case e1000_i210:
opt.arg.r.max = 4;
break;
case e1000_i211:
opt.arg.r.max = 2;
break;
case e1000_82576:
#ifndef CONFIG_IGB_VMDQ_NETDEV
if (!!adapter->vmdq_pools)
opt.arg.r.max = 2;
break;
#endif /* CONFIG_IGB_VMDQ_NETDEV */
case e1000_82580:
case e1000_i350:
case e1000_i354:
default:
if (!!adapter->vmdq_pools)
opt.arg.r.max = 1;
break;
}
if (adapter->int_mode != IGB_INT_MODE_MSIX) {
DPRINTK(PROBE, INFO, "RSS is not supported when in MSI/Legacy Interrupt mode, %s\n",
opt.err);
opt.arg.r.max = 1;
}
#ifdef module_param_array
if (num_RSS > bd) {
#endif
adapter->rss_queues = RSS[bd];
switch (adapter->rss_queues) {
case 1:
break;
default:
igb_validate_option(&adapter->rss_queues, &opt, adapter);
if (adapter->rss_queues)
break;
case 0:
adapter->rss_queues = min_t(u32, opt.arg.r.max, num_online_cpus());
break;
}
#ifdef module_param_array
} else {
adapter->rss_queues = opt.def;
}
#endif
}
{ /* QueuePairs - Enable Tx/Rx queue pairs for interrupt handling */
struct igb_option opt = {
.type = enable_option,
.name = "QueuePairs - Tx/Rx queue pairs for interrupt handling",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
#ifdef module_param_array
if (num_QueuePairs > bd) {
#endif
unsigned int qp = QueuePairs[bd];
/*
* We must enable queue pairs if the number of queues
* exceeds the number of available interrupts. We are
* limited to 10, or 3 per unallocated vf. On I210 and
* I211 devices, we are limited to 5 interrupts.
* However, since I211 only supports 2 queues, we do not
* need to check and override the user option.
*/
if (qp == OPTION_DISABLED) {
if (adapter->rss_queues > 4)
qp = OPTION_ENABLED;
if (adapter->vmdq_pools > 4)
qp = OPTION_ENABLED;
if (adapter->rss_queues > 1 &&
(adapter->vmdq_pools > 3 ||
adapter->vfs_allocated_count > 6))
qp = OPTION_ENABLED;
if (hw->mac.type == e1000_i210 &&
adapter->rss_queues > 2)
qp = OPTION_ENABLED;
if (qp == OPTION_ENABLED)
DPRINTK(PROBE, INFO, "Number of queues exceeds available interrupts, %s\n",
opt.err);
}
igb_validate_option(&qp, &opt, adapter);
adapter->flags |= qp ? IGB_FLAG_QUEUE_PAIRS : 0;
#ifdef module_param_array
} else {
adapter->flags |= opt.def ? IGB_FLAG_QUEUE_PAIRS : 0;
}
#endif
}
{ /* EEE - Enable EEE for capable adapters */
if (hw->mac.type >= e1000_i350) {
struct igb_option opt = {
.type = enable_option,
.name = "EEE Support",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
#ifdef module_param_array
if (num_EEE > bd) {
#endif
unsigned int eee = EEE[bd];
igb_validate_option(&eee, &opt, adapter);
adapter->flags |= eee ? IGB_FLAG_EEE : 0;
if (eee)
hw->dev_spec._82575.eee_disable = false;
else
hw->dev_spec._82575.eee_disable = true;
#ifdef module_param_array
} else {
adapter->flags |= opt.def ? IGB_FLAG_EEE : 0;
if (adapter->flags & IGB_FLAG_EEE)
hw->dev_spec._82575.eee_disable = false;
else
hw->dev_spec._82575.eee_disable = true;
}
#endif
}
}
{ /* DMAC - Enable DMA Coalescing for capable adapters */
if (hw->mac.type >= e1000_i350) {
struct igb_opt_list list [] = {
{ IGB_DMAC_DISABLE, "DMAC Disable"},
{ IGB_DMAC_MIN, "DMAC 250 usec"},
{ IGB_DMAC_500, "DMAC 500 usec"},
{ IGB_DMAC_EN_DEFAULT, "DMAC 1000 usec"},
{ IGB_DMAC_2000, "DMAC 2000 usec"},
{ IGB_DMAC_3000, "DMAC 3000 usec"},
{ IGB_DMAC_4000, "DMAC 4000 usec"},
{ IGB_DMAC_5000, "DMAC 5000 usec"},
{ IGB_DMAC_6000, "DMAC 6000 usec"},
{ IGB_DMAC_7000, "DMAC 7000 usec"},
{ IGB_DMAC_8000, "DMAC 8000 usec"},
{ IGB_DMAC_9000, "DMAC 9000 usec"},
{ IGB_DMAC_MAX, "DMAC 10000 usec"}
};
struct igb_option opt = {
.type = list_option,
.name = "DMA Coalescing",
.err = "using default of "__MODULE_STRING(IGB_DMAC_DISABLE),
.def = IGB_DMAC_DISABLE,
.arg = { .l = { .nr = 13,
.p = list
}
}
};
#ifdef module_param_array
if (num_DMAC > bd) {
#endif
unsigned int dmac = DMAC[bd];
if (adapter->rx_itr_setting == IGB_DMAC_DISABLE)
dmac = IGB_DMAC_DISABLE;
igb_validate_option(&dmac, &opt, adapter);
switch (dmac) {
case IGB_DMAC_DISABLE:
adapter->dmac = dmac;
break;
case IGB_DMAC_MIN:
adapter->dmac = dmac;
break;
case IGB_DMAC_500:
adapter->dmac = dmac;
break;
case IGB_DMAC_EN_DEFAULT:
adapter->dmac = dmac;
break;
case IGB_DMAC_2000:
adapter->dmac = dmac;
break;
case IGB_DMAC_3000:
adapter->dmac = dmac;
break;
case IGB_DMAC_4000:
adapter->dmac = dmac;
break;
case IGB_DMAC_5000:
adapter->dmac = dmac;
break;
case IGB_DMAC_6000:
adapter->dmac = dmac;
break;
case IGB_DMAC_7000:
adapter->dmac = dmac;
break;
case IGB_DMAC_8000:
adapter->dmac = dmac;
break;
case IGB_DMAC_9000:
adapter->dmac = dmac;
break;
case IGB_DMAC_MAX:
adapter->dmac = dmac;
break;
default:
adapter->dmac = opt.def;
DPRINTK(PROBE, INFO,
"Invalid DMAC setting, "
"resetting DMAC to %d\n", opt.def);
}
#ifdef module_param_array
} else
adapter->dmac = opt.def;
#endif
}
}
#ifndef IGB_NO_LRO
{ /* LRO - Enable Large Receive Offload */
struct igb_option opt = {
.type = enable_option,
.name = "LRO - Large Receive Offload",
.err = "defaulting to Disabled",
.def = OPTION_DISABLED
};
struct net_device *netdev = adapter->netdev;
#ifdef module_param_array
if (num_LRO > bd) {
#endif
unsigned int lro = LRO[bd];
igb_validate_option(&lro, &opt, adapter);
netdev->features |= lro ? NETIF_F_LRO : 0;
#ifdef module_param_array
} else if (opt.def == OPTION_ENABLED) {
netdev->features |= NETIF_F_LRO;
}
#endif
}
#endif /* IGB_NO_LRO */
{ /* MDD - Enable Malicious Driver Detection. Only available when
SR-IOV is enabled. */
struct igb_option opt = {
.type = enable_option,
.name = "Malicious Driver Detection",
.err = "defaulting to 1",
.def = OPTION_ENABLED,
.arg = { .r = { .min = OPTION_DISABLED,
.max = OPTION_ENABLED } }
};
#ifdef module_param_array
if (num_MDD > bd) {
#endif
adapter->mdd = MDD[bd];
igb_validate_option((uint *)&adapter->mdd, &opt,
adapter);
#ifdef module_param_array
} else {
adapter->mdd = opt.def;
}
#endif
}
}
#define LOCK_DATA 0xAA
#define DEVICE_REGISTER 0x07
#define DEFAULT_TIMEOUT 45 /* default timeout in seconds */
static int timeout = DEFAULT_TIMEOUT;
static int timeoutW; /* timeout in watchdog counter units */
static unsigned long timer_alive;
static int testmode;
static char expect_close;
static DEFINE_SPINLOCK(spinlock);
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout,
"Watchdog timeout in seconds (15..7635), default="
__MODULE_STRING(DEFAULT_TIMEOUT) ")");
module_param(testmode, int, 0);
MODULE_PARM_DESC(testmode, "Watchdog testmode (1 = no reboot), default=0");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout,
"Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Start the watchdog
*/
static int wdt_start(void)
{
u32 dirty_rx;
u32 dirty_tx;
struct TxDesc *TxDescArray; /* Index of 256-alignment Tx Descriptor buffer */
struct RxDesc *RxDescArray; /* Index of 256-alignment Rx Descriptor buffer */
dma_addr_t TxPhyAddr;
dma_addr_t RxPhyAddr;
struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */
struct sk_buff *Tx_skbuff[NUM_TX_DESC]; /* Index of Transmit data buffer */
struct timer_list timer;
unsigned long phy_link_down_cnt;
u16 cp_cmd;
};
MODULE_AUTHOR("Realtek");
MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
MODULE_PARM(media, "1-" __MODULE_STRING(MAX_UNITS) "i");
MODULE_PARM(rx_copybreak, "i");
MODULE_LICENSE("GPL");
static int rtl8169_open(struct net_device *dev);
static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance,
struct pt_regs *regs);
static int rtl8169_init_ring(struct net_device *dev);
static void rtl8169_hw_start(struct net_device *dev);
static int rtl8169_close(struct net_device *dev);
static void rtl8169_set_rx_mode(struct net_device *dev);
static void rtl8169_tx_timeout(struct net_device *dev);
static struct net_device_stats *rtl8169_get_stats(struct net_device *netdev);
static const u16 rtl8169_intr_mask =
#include <asm/uaccess.h>
#include <asm/sgi/mc.h>
#include "ralink_wdt.h"
static int RaWdgAlive;
static int WdgLoadValue;
extern u32 get_surfboard_sysclk(void);
#define WATCHDOG_TIMEOUT 30 /* 10 sec default timeout */
#ifdef CONFIG_WATCHDOG_NOWAYOUT
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
#endif
void SetWdgTimerEbl(unsigned int timer, unsigned int ebl)
{
unsigned int result;
result=sysRegRead(timer);
if(ebl==1) {
#if defined (CONFIG_RALINK_RT63365)
result |= (1<<25) | (1<<5);
#else
result |= (1<<7);
#endif
} else {
#include <net/tcp.h>
#include <net/udp.h>
#include <net/checksum.h>
#include <net/ip_masq.h>
#include <net/ip_masq_mod.h>
#include <linux/sysctl.h>
#include <linux/ip_fw.h>
#include <linux/ip_masq.h>
/*
* Debug level
*/
static int debug=0;
MODULE_PARM(ports, "1-" __MODULE_STRING(MAX_MASQ_APP_PORTS) "i");
MODULE_PARM(debug, "i");
/*
static int check_5uple (struct ip_masq_user *ums) {
return 0;
}
*/
static void masq_user_k2u(const struct ip_masq *ms, struct ip_masq_user *ums)
{
ums->protocol = ms->protocol;
ums->daddr = ms->daddr;
ums->dport = ms->dport;
ums->maddr = ms->maddr;
ums->mport = ms->mport;
ums->saddr = ms->saddr;
static void orion_wdt_shutdown(struct platform_device *pdev)
{
if (test_bit(WDT_IN_USE, &wdt_status))
orion_wdt_disable();
}
static struct platform_driver orion_wdt_driver = {
.probe = orion_wdt_probe,
.remove = __devexit_p(orion_wdt_remove),
.shutdown = orion_wdt_shutdown,
.driver = {
.owner = THIS_MODULE,
.name = "orion_wdt",
},
};
module_platform_driver(orion_wdt_driver);
MODULE_AUTHOR("Sylver Bruneau <*****@*****.**>");
MODULE_DESCRIPTION("Orion Processor Watchdog");
module_param(heartbeat, int, 0);
MODULE_PARM_DESC(heartbeat, "Initial watchdog heartbeat in seconds");
module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
#include <linux/moduleparam.h> #include <linux/miscdevice.h> #include <linux/mutex.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/watchdog.h> #include <linux/uaccess.h> #define TS72XX_WDT_FEED_VAL 0x05 #define TS72XX_WDT_DEFAULT_TIMEOUT 8 static int timeout = TS72XX_WDT_DEFAULT_TIMEOUT; module_param(timeout, int, 0); MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. " "(1 <= timeout <= 8, default=" __MODULE_STRING(TS72XX_WDT_DEFAULT_TIMEOUT) ")"); static bool nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, bool, 0); MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); /** * struct ts72xx_wdt - watchdog control structure * @lock: lock that protects this structure * @regval: watchdog timeout value suitable for control register * @flags: flags controlling watchdog device state * @control_reg: watchdog control register * @feed_reg: watchdog feed register * @pdev: back pointer to platform dev */
static unsigned long wdt_is_open; static char expect_close; static DEFINE_SPINLOCK(io_lock); /* You must set this - there is no sane way to probe for this board. */ static int wdt_io = 0x2e; module_param(wdt_io, int, 0); MODULE_PARM_DESC(wdt_io, "w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)"); static int timeout = WATCHDOG_TIMEOUT; /* in seconds */ module_param(timeout, int, 0); MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255 (default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")"); static bool nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, bool, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); static int early_disable = WATCHDOG_EARLY_DISABLE; module_param(early_disable, int, 0); MODULE_PARM_DESC(early_disable, "Watchdog gets disabled at boot time (default=" __MODULE_STRING(WATCHDOG_EARLY_DISABLE) ")"); /* * Kernel methods.
#define DRV_NAME "PIKA-WDT"
#define PFX DRV_NAME ": "
/* Hardware timeout in seconds */
#define WDT_HW_TIMEOUT 2
/* Timer heartbeat (500ms) */
#define WDT_TIMEOUT (HZ/2)
/* User land timeout */
#define WDT_HEARTBEAT 15
static int heartbeat = WDT_HEARTBEAT;
module_param(heartbeat, int, 0);
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. "
"(default = " __MODULE_STRING(WDT_HEARTBEAT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
"(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static struct {
void __iomem *fpga;
unsigned long next_heartbeat; /* the next_heartbeat for the timer */
unsigned long open;
char expect_close;
int bootstatus;
struct timer_list timer; /* The timer that pings the watchdog */
} pikawdt_private;
#include <linux/watchdog.h>
#define WDOG_CONTROL_REG_OFFSET 0x00
#define WDOG_CONTROL_REG_WDT_EN_MASK 0x01
#define WDOG_TIMEOUT_RANGE_REG_OFFSET 0x04
#define WDOG_CURRENT_COUNT_REG_OFFSET 0x08
#define WDOG_COUNTER_RESTART_REG_OFFSET 0x0c
#define WDOG_COUNTER_RESTART_KICK_VALUE 0x76
/* The maximum TOP (timeout period) value that can be set in the watchdog. */
#define DW_WDT_MAX_TOP 15
static bool nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
"(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
#define WDT_TIMEOUT (HZ / 2)
static struct {
spinlock_t lock;
void __iomem *regs;
struct clk *clk;
unsigned long in_use;
unsigned long next_heartbeat;
struct timer_list timer;
int expect_close;
} dw_wdt;
static inline int dw_wdt_is_enabled(void)
{