freebsd-dev/sys/dev/ixgbe/ixgbe_osdep.h

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  Copyright (c) 2001-2013, Intel Corporation 
  All rights reserved.
  
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  modification, are permitted provided that the following conditions are met:
  
   1. Redistributions of source code must retain the above copyright notice, 
      this list of conditions and the following disclaimer.
  
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      contributors may be used to endorse or promote products derived from 
      this software without specific prior written permission.
  
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******************************************************************************/
/*$FreeBSD$*/

#ifndef _IXGBE_OS_H_
#define _IXGBE_OS_H_

#include <sys/types.h>
#include <sys/param.h>
#include <sys/endian.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/clock.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>

#define ASSERT(x) if(!(x)) panic("IXGBE: x")
#define EWARN(H, W, S) printf(W)

/* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
#define usec_delay(x) DELAY(x)
#define msec_delay(x) DELAY(1000*(x))

#define DBG 0 
#define MSGOUT(S, A, B)     printf(S "\n", A, B)
#define DEBUGFUNC(F)        DEBUGOUT(F);
#if DBG
	#define DEBUGOUT(S)         printf(S "\n")
	#define DEBUGOUT1(S,A)      printf(S "\n",A)
	#define DEBUGOUT2(S,A,B)    printf(S "\n",A,B)
	#define DEBUGOUT3(S,A,B,C)  printf(S "\n",A,B,C)
	#define DEBUGOUT4(S,A,B,C,D)  printf(S "\n",A,B,C,D)
	#define DEBUGOUT5(S,A,B,C,D,E)  printf(S "\n",A,B,C,D,E)
	#define DEBUGOUT6(S,A,B,C,D,E,F)  printf(S "\n",A,B,C,D,E,F)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
#else
	#define DEBUGOUT(S)
	#define DEBUGOUT1(S,A)
	#define DEBUGOUT2(S,A,B)
	#define DEBUGOUT3(S,A,B,C)
	#define DEBUGOUT4(S,A,B,C,D)
	#define DEBUGOUT5(S,A,B,C,D,E)
	#define DEBUGOUT6(S,A,B,C,D,E,F)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
#endif

#define FALSE               0
#define false               0 /* shared code requires this */
#define TRUE                1
#define true                1
#define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
#define PCI_COMMAND_REGISTER            PCIR_COMMAND

/* Shared code dropped this define.. */
#define IXGBE_INTEL_VENDOR_ID		0x8086

/* Bunch of defines for shared code bogosity */
#define UNREFERENCED_PARAMETER(_p)
#define UNREFERENCED_1PARAMETER(_p)
#define UNREFERENCED_2PARAMETER(_p, _q)
#define UNREFERENCED_3PARAMETER(_p, _q, _r)
#define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)


#define IXGBE_NTOHL(_i)	ntohl(_i)
#define IXGBE_NTOHS(_i)	ntohs(_i)

/* XXX these need to be revisited */
#define IXGBE_CPU_TO_LE32 le32toh
#define IXGBE_LE32_TO_CPUS le32dec

typedef uint8_t		u8;
typedef int8_t		s8;
typedef uint16_t	u16;
typedef uint32_t	u32;
typedef int32_t		s32;
typedef uint64_t	u64;
#ifndef __bool_true_false_are_defined
typedef boolean_t	bool;
#endif

/* shared code requires this */
#define __le16  u16
#define __le32  u32
#define __le64  u64
#define __be16  u16
#define __be32  u32
#define __be64  u64

#define le16_to_cpu 

#if __FreeBSD_version < 800000
#if defined(__i386__) || defined(__amd64__)
#define mb()	__asm volatile("mfence" ::: "memory")
#define wmb()	__asm volatile("sfence" ::: "memory")
#define rmb()	__asm volatile("lfence" ::: "memory")
#else
#define mb()
#define rmb()
#define wmb()
#endif
#endif

#if defined(__i386__) || defined(__amd64__)
static __inline
void prefetch(void *x)
{
	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
}
#else
#define prefetch(x)
#endif

/*
 * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
 * non-overlapping regions and 32-byte padding on both src and dst.
 */
static __inline int
ixgbe_bcopy(void *_src, void *_dst, int l)
{
	uint64_t *src = _src;
	uint64_t *dst = _dst;

	for (; l > 0; l -= 32) {
		*dst++ = *src++;
		*dst++ = *src++;
		*dst++ = *src++;
		*dst++ = *src++;
	}
	return (0);
}

struct ixgbe_osdep
{
	bus_space_tag_t    mem_bus_space_tag;
	bus_space_handle_t mem_bus_space_handle;
	struct device     *dev;
};

/* These routines are needed by the shared code */
struct ixgbe_hw; 
extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
#define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg

extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
#define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg

#define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)

#define IXGBE_READ_REG(a, reg) (\
   bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
                     ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
                     reg))

#define IXGBE_WRITE_REG(a, reg, value) (\
   bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
                     ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
                     reg, value))


#define IXGBE_READ_REG_ARRAY(a, reg, offset) (\
   bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
                     ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
                     (reg + ((offset) << 2))))

#define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\
      bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
                      (reg + ((offset) << 2)), value))


#endif /* _IXGBE_OS_H_ */