xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.h (revision a621e3c8b5044c17f2c1e341ec19913c6e1b227a)

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  Copyright (c) 2001-2012, Intel Corporation
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  Redistribution and use in source and binary forms, with or without
  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.

   2. Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
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   3. Neither the name of the Intel Corporation nor the names of its
      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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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 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 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

/* 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

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_ */