LXR linux/arch/s390/include/asm/pci

   1#ifndef _ASM_S390_PCI_INSN_H
   2#define _ASM_S390_PCI_INSN_H
   3
   4/* Load/Store status codes */
   5#define ZPCI_PCI_ST_FUNC_NOT_ENABLED            4
   6#define ZPCI_PCI_ST_FUNC_IN_ERR                 8
   7#define ZPCI_PCI_ST_BLOCKED                     12
   8#define ZPCI_PCI_ST_INSUF_RES                   16
   9#define ZPCI_PCI_ST_INVAL_AS                    20
  10#define ZPCI_PCI_ST_FUNC_ALREADY_ENABLED        24
  11#define ZPCI_PCI_ST_DMA_AS_NOT_ENABLED          28
  12#define ZPCI_PCI_ST_2ND_OP_IN_INV_AS            36
  13#define ZPCI_PCI_ST_FUNC_NOT_AVAIL              40
  14#define ZPCI_PCI_ST_ALREADY_IN_RQ_STATE         44
  15
  16/* Load/Store return codes */
  17#define ZPCI_PCI_LS_OK                          0
  18#define ZPCI_PCI_LS_ERR                         1
  19#define ZPCI_PCI_LS_BUSY                        2
  20#define ZPCI_PCI_LS_INVAL_HANDLE                3
  21
  22/* Load/Store address space identifiers */
  23#define ZPCI_PCIAS_MEMIO_0                      0
  24#define ZPCI_PCIAS_MEMIO_1                      1
  25#define ZPCI_PCIAS_MEMIO_2                      2
  26#define ZPCI_PCIAS_MEMIO_3                      3
  27#define ZPCI_PCIAS_MEMIO_4                      4
  28#define ZPCI_PCIAS_MEMIO_5                      5
  29#define ZPCI_PCIAS_CFGSPC                       15
  30
  31/* Modify PCI Function Controls */
  32#define ZPCI_MOD_FC_REG_INT     2
  33#define ZPCI_MOD_FC_DEREG_INT   3
  34#define ZPCI_MOD_FC_REG_IOAT    4
  35#define ZPCI_MOD_FC_DEREG_IOAT  5
  36#define ZPCI_MOD_FC_REREG_IOAT  6
  37#define ZPCI_MOD_FC_RESET_ERROR 7
  38#define ZPCI_MOD_FC_RESET_BLOCK 9
  39#define ZPCI_MOD_FC_SET_MEASURE 10
  40
  41/* FIB function controls */
  42#define ZPCI_FIB_FC_ENABLED     0x80
  43#define ZPCI_FIB_FC_ERROR       0x40
  44#define ZPCI_FIB_FC_LS_BLOCKED  0x20
  45#define ZPCI_FIB_FC_DMAAS_REG   0x10
  46
  47/* FIB function controls */
  48#define ZPCI_FIB_FC_ENABLED     0x80
  49#define ZPCI_FIB_FC_ERROR       0x40
  50#define ZPCI_FIB_FC_LS_BLOCKED  0x20
  51#define ZPCI_FIB_FC_DMAAS_REG   0x10
  52
  53/* Function Information Block */
  54struct zpci_fib {
  55        u32 fmt         :  8;   /* format */
  56        u32             : 24;
  57        u32             : 32;
  58        u8 fc;                  /* function controls */
  59        u64             : 56;
  60        u64 pba;                /* PCI base address */
  61        u64 pal;                /* PCI address limit */
  62        u64 iota;               /* I/O Translation Anchor */
  63        u32             :  1;
  64        u32 isc         :  3;   /* Interrupt subclass */
  65        u32 noi         : 12;   /* Number of interrupts */
  66        u32             :  2;
  67        u32 aibvo       :  6;   /* Adapter interrupt bit vector offset */
  68        u32 sum         :  1;   /* Adapter int summary bit enabled */
  69        u32             :  1;
  70        u32 aisbo       :  6;   /* Adapter int summary bit offset */
  71        u32             : 32;
  72        u64 aibv;               /* Adapter int bit vector address */
  73        u64 aisb;               /* Adapter int summary bit address */
  74        u64 fmb_addr;           /* Function measurement block address and key */
  75        u32             : 32;
  76        u32 gd;
  77} __packed __aligned(8);
  78
  79int zpci_mod_fc(u64 req, struct zpci_fib *fib);
  80int zpci_refresh_trans(u64 fn, u64 addr, u64 range);
  81int zpci_load(u64 *data, u64 req, u64 offset);
  82int zpci_store(u64 data, u64 req, u64 offset);
  83int zpci_store_block(const u64 *data, u64 req, u64 offset);
  84void zpci_set_irq_ctrl(u16 ctl, char *unused, u8 isc);
  85
  86#endif
  87