Differential D12101 Diff 32314 sys/dev/e1000/e1000_osdep.h

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sys/dev/e1000/e1000_osdep.h

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	#ifndef _FREEBSD_OS_H_			#ifndef _FREEBSD_OS_H_
	#define _FREEBSD_OS_H_			#define _FREEBSD_OS_H_

	#include <sys/types.h>			#include <sys/types.h>
	#include <sys/param.h>			#include <sys/param.h>
	#include <sys/systm.h>			#include <sys/systm.h>
				#include <sys/proc.h>
	#include <sys/lock.h>			#include <sys/lock.h>
	#include <sys/mutex.h>			#include <sys/mutex.h>
	#include <sys/mbuf.h>			#include <sys/mbuf.h>
	#include <sys/protosw.h>			#include <sys/protosw.h>
	#include <sys/socket.h>			#include <sys/socket.h>
	#include <sys/malloc.h>			#include <sys/malloc.h>
	#include <sys/kernel.h>			#include <sys/kernel.h>
	#include <sys/bus.h>			#include <sys/bus.h>

				#include <net/ethernet.h>
				#include <net/if.h>
				#include <net/if_var.h>
				#include <net/iflib.h>



	#include <machine/bus.h>			#include <machine/bus.h>
	#include <sys/rman.h>			#include <sys/rman.h>
	#include <machine/resource.h>			#include <machine/resource.h>
	#include <vm/vm.h>			#include <vm/vm.h>
	#include <vm/pmap.h>			#include <vm/pmap.h>
	#include <machine/clock.h>			#include <machine/clock.h>
	#include <dev/pci/pcivar.h>			#include <dev/pci/pcivar.h>
	#include <dev/pci/pcireg.h>			#include <dev/pci/pcireg.h>


	#define ASSERT(x) if(!(x)) panic("EM: x")			#define ASSERT(x) if(!(x)) panic("EM: x")
				#define us_scale(x) max(1, (x/(1000000/hz)))
				static inline int
				ms_scale(int x) {
				if (hz == 1000) {
				return (x);
				} else if (hz > 1000) {
				return (x*(hz/1000));
				} else {
				return (max(1, x/(1000/hz)));
				}
				}
				extern int cold;

	#define usec_delay(x) DELAY(x)			static inline void
				safe_pause_us(int x) {
				if (cold) {
				hselaskyUnsubmitted Not Done Inline Actions These cold checks are wrong. Please remove. Pause() already does this check properly. hselasky: These cold checks are wrong. Please remove. Pause() already does this check properly.
				DELAY(x);
				} else {
				pause("e1000_delay", max(1, x/(1000000/hz)));
				hselaskyUnsubmitted Not Done Inline Actions Why not use pause_mtx() ? hselasky: Why not use pause_mtx() ?
				gallatinUnsubmitted Not Done Inline Actions Because the driver has no idea what lock objects are held by callers to ifioctl. And just dropping a mutex is horrifically unsafe anyway. gallatin: Because the driver has no idea what lock objects are held by callers to ifioctl. And just…
				}
				}

				static inline void
				safe_pause_ms(int x) {
				if (cold) {
				hselaskyUnsubmitted Not Done Inline Actions These cold checks are wrong. Please remove. Pause() already does this check properly. hselasky: These cold checks are wrong. Please remove. Pause() already does this check properly.
				DELAY(x*1000);
				} else {
				pause("e1000_delay", ms_scale(x));
				}
				}

				#define usec_delay(x) safe_pause_us(x)
	#define usec_delay_irq(x) usec_delay(x)			#define usec_delay_irq(x) usec_delay(x)
	#define msec_delay(x) DELAY(1000*(x))			#define msec_delay(x) safe_pause_ms(x)
	#define msec_delay_irq(x) DELAY(1000*(x))			#define msec_delay_irq(x) msec_delay(x)
				rstoneUnsubmitted Not Done Inline Actions Is this correct? "msec_delay_irq()" implies to me a delay being used in interrupt context, where sleeping is not safe rstone: Is this correct? "msec_delay_irq()" implies to me a delay being used in interrupt context…

	/* Enable/disable debugging statements in shared code */			/* Enable/disable debugging statements in shared code */
	#define DBG 0			#define DBG 0

	#define DEBUGOUT(...) \			#define DEBUGOUT(...) \
	do { if (DBG) printf(__VA_ARGS__); } while (0)			do { if (DBG) printf(__VA_ARGS__); } while (0)
	#define DEBUGOUT1(...) DEBUGOUT(__VA_ARGS__)			#define DEBUGOUT1(...) DEBUGOUT(__VA_ARGS__)
	#define DEBUGOUT2(...) DEBUGOUT(__VA_ARGS__)			#define DEBUGOUT2(...) DEBUGOUT(__VA_ARGS__)
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	{			{
	bus_space_tag_t mem_bus_space_tag;			bus_space_tag_t mem_bus_space_tag;
	bus_space_handle_t mem_bus_space_handle;			bus_space_handle_t mem_bus_space_handle;
	bus_space_tag_t io_bus_space_tag;			bus_space_tag_t io_bus_space_tag;
	bus_space_handle_t io_bus_space_handle;			bus_space_handle_t io_bus_space_handle;
	bus_space_tag_t flash_bus_space_tag;			bus_space_tag_t flash_bus_space_tag;
	bus_space_handle_t flash_bus_space_handle;			bus_space_handle_t flash_bus_space_handle;
	device_t dev;			device_t dev;
				if_ctx_t ctx;
	};			};

	#define E1000_REGISTER(hw, reg) (((hw)->mac.type >= e1000_82543) \			#define E1000_REGISTER(hw, reg) (((hw)->mac.type >= e1000_82543) \
	? reg : e1000_translate_register_82542(reg))			? reg : e1000_translate_register_82542(reg))

	#define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, E1000_STATUS)			#define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, E1000_STATUS)

	/* Read from an absolute offset in the adapter's memory space */			/* Read from an absolute offset in the adapter's memory space */
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