FreeBSD/Linux Kernel Cross Reference
sys/dev/ixl/i40e_osdep.h

     /******************************************************************************
     
       Copyright (c) 2013-2018, Intel Corporation
       All rights reserved.
       
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    ******************************************************************************/
    /*$FreeBSD$*/
    
    #ifndef _I40E_OSDEP_H_
    #define _I40E_OSDEP_H_
    
    #include <sys/types.h>
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/endian.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 i40e_usec_delay(x) DELAY(x)
    #define i40e_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
    
    /* Remove unused shared code macros */
    #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 UNREFERENCED_5PARAMETER(_p, _q, _r, _s, _t)
    
    #define STATIC  static
    #define INLINE  inline
    
    #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
    #define ARRAY_SIZE(a)           (sizeof(a) / sizeof((a)[0]))
    
    #define i40e_memset(a, b, c, d)  memset((a), (b), (c))
    #define i40e_memcpy(a, b, c, d)  memcpy((a), (b), (c))
    
   #define CPU_TO_LE16(o)  htole16(o)
   #define CPU_TO_LE32(s)  htole32(s)
   #define CPU_TO_LE64(h)  htole64(h)
   #define LE16_TO_CPU(a)  le16toh(a)
   #define LE32_TO_CPU(c)  le32toh(c)
   #define LE64_TO_CPU(k)  le64toh(k)
   
   #define I40E_NTOHS(a)   ntohs(a)
   #define I40E_NTOHL(a)   ntohl(a)
   #define I40E_HTONS(a)   htons(a)
   #define I40E_HTONL(a)   htonl(a)
   
   #define FIELD_SIZEOF(x, y) (sizeof(((x*)0)->y))
   
   typedef uint8_t         u8;
   typedef int8_t          s8;
   typedef uint16_t        u16;
   typedef int16_t         s16;
   typedef uint32_t        u32;
   typedef int32_t         s32;
   typedef uint64_t        u64;
   
   /* long string relief */
   typedef enum i40e_status_code i40e_status;
   
   #define __le16  u16
   #define __le32  u32
   #define __le64  u64
   #define __be16  u16
   #define __be32  u32
   #define __be64  u64
   
   /* SW spinlock */
   struct i40e_spinlock {
           struct mtx mutex;
   };
   
   #define le16_to_cpu 
   
   #if defined(__amd64__) || defined(i386)
   static __inline
   void prefetch(void *x)
   {
           __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
   }
   #else
   #define prefetch(x)
   #endif
   
   struct i40e_osdep {
           bus_space_tag_t         mem_bus_space_tag;
           bus_space_handle_t      mem_bus_space_handle;
           bus_size_t              mem_bus_space_size;
           uint32_t                flush_reg;
           int                     i2c_intfc_num;
           device_t                dev;
   };
   
   struct i40e_dma_mem {
           void                    *va;
           u64                     pa;
           bus_dma_tag_t           tag;
           bus_dmamap_t            map;
           bus_dma_segment_t       seg;
           bus_size_t              size;
           int                     nseg;
           int                     flags;
   };
   
   struct i40e_virt_mem {
           void *va;
           u32 size;
   };
   
   struct i40e_hw; /* forward decl */
   u16     i40e_read_pci_cfg(struct i40e_hw *, u32);
   void    i40e_write_pci_cfg(struct i40e_hw *, u32, u16);
   
   /*
   ** i40e_debug - OS dependent version of shared code debug printing
   */
   enum i40e_debug_mask;
   #define i40e_debug(h, m, s, ...)  i40e_debug_shared(h, m, s, ##__VA_ARGS__)
   extern void i40e_debug_shared(struct i40e_hw *hw, enum i40e_debug_mask mask,
       char *fmt_str, ...);
   
   /* Non-busy-wait that uses kern_yield() */
   void i40e_msec_pause(int);
   
   const char * ixl_vc_opcode_str(uint16_t op);
   
   /*
   ** This hardware supports either 16 or 32 byte rx descriptors;
   ** the driver only uses the 32 byte kind.
   */
   #define i40e_rx_desc i40e_32byte_rx_desc
   
   static __inline uint32_t
   rd32_osdep(struct i40e_osdep *osdep, uint32_t reg)
   {
   
           KASSERT(reg < osdep->mem_bus_space_size,
               ("ixl: register offset %#jx too large (max is %#jx)",
               (uintmax_t)reg, (uintmax_t)osdep->mem_bus_space_size));
   
           return (bus_space_read_4(osdep->mem_bus_space_tag,
               osdep->mem_bus_space_handle, reg));
   }
   
   static __inline void
   wr32_osdep(struct i40e_osdep *osdep, uint32_t reg, uint32_t value)
   {
   
           KASSERT(reg < osdep->mem_bus_space_size,
               ("ixl: register offset %#jx too large (max is %#jx)",
               (uintmax_t)reg, (uintmax_t)osdep->mem_bus_space_size));
   
           bus_space_write_4(osdep->mem_bus_space_tag,
               osdep->mem_bus_space_handle, reg, value);
   }
   
   static __inline void
   ixl_flush_osdep(struct i40e_osdep *osdep)
   {
           rd32_osdep(osdep, osdep->flush_reg);
   }
   
   #define rd32(a, reg)            rd32_osdep((a)->back, (reg))
   #define wr32(a, reg, value)     wr32_osdep((a)->back, (reg), (value))
   
   #define rd64(a, reg) (\
      bus_space_read_8( ((struct i40e_osdep *)(a)->back)->mem_bus_space_tag, \
                        ((struct i40e_osdep *)(a)->back)->mem_bus_space_handle, \
                        reg))
   
   #define wr64(a, reg, value) (\
      bus_space_write_8( ((struct i40e_osdep *)(a)->back)->mem_bus_space_tag, \
                        ((struct i40e_osdep *)(a)->back)->mem_bus_space_handle, \
                        reg, value))
   
   #define ixl_flush(a)            ixl_flush_osdep((a)->back)
   
   enum i40e_status_code i40e_read_nvm_word_srctl(struct i40e_hw *hw, u16 offset,
                                                  u16 *data);
   
   #endif /* _I40E_OSDEP_H_ */

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