Differential D16429 Diff 48795 sys/dev/ixl/i40e_osdep.c

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sys/dev/ixl/i40e_osdep.c

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void		void
i40e_destroy_spinlock(struct i40e_spinlock *lock)		i40e_destroy_spinlock(struct i40e_spinlock *lock)
{		{
if (mtx_initialized(&lock->mutex))		if (mtx_initialized(&lock->mutex))
mtx_destroy(&lock->mutex);		mtx_destroy(&lock->mutex);
}		}

		static inline int
		ixl_ms_scale(int x)
		{
		if (hz == 1000)
		return (x);
		else if (hz > 1000)
		return (x*(hz/1000));
		else
		return (max(1, x/(1000/hz)));
		}

void		void
i40e_msec_pause(int msecs)		i40e_msec_pause(int msecs)
{		{
int ticks_to_pause = (msecs * hz) / 1000;		if (cold \|\| SCHEDULER_STOPPED())
int start_ticks = ticks;

if (cold \|\| SCHEDULER_STOPPED()) {
i40e_msec_delay(msecs);		i40e_msec_delay(msecs);
return;		else
		// ERJ: (msecs * hz) could overflow
		pause("ixl", ixl_ms_scale(msecs));
}		}

while (1) {
kern_yield(PRI_USER);
int yielded_ticks = ticks - start_ticks;
if (yielded_ticks > ticks_to_pause)
break;
else if (yielded_ticks < 0
&& (yielded_ticks + INT_MAX + 1 > ticks_to_pause)) {
break;
}
}
}

/*		/*
* Helper function for debug statement printing		* Helper function for debug statement printing
*/		*/
void		void
i40e_debug_shared(struct i40e_hw hw, enum i40e_debug_mask mask, char fmt, ...)		i40e_debug_shared(struct i40e_hw hw, enum i40e_debug_mask mask, char fmt, ...)
{		{
va_list args;		va_list args;
device_t dev;		device_t dev;
▲ Show 20 Lines • Show All 72 Lines • ▼ Show 20 Lines	i40e_read_pci_cfg(struct i40e_hw *hw, u32 reg)
return (value);		return (value);
}		}

void		void
i40e_write_pci_cfg(struct i40e_hw *hw, u32 reg, u16 value)		i40e_write_pci_cfg(struct i40e_hw *hw, u32 reg, u16 value)
{		{
pci_write_config(((struct i40e_osdep *)hw->back)->dev,		pci_write_config(((struct i40e_osdep *)hw->back)->dev,
reg, value, 2);		reg, value, 2);

return;
}		}