include/hw/pci/pcie_regs.h

   1 /*
   2  * constants for pcie configurations space from pci express spec.
   3  *
   4  * TODO:
   5  * Those constants and macros should go to Linux pci_regs.h
   6  * Once they're merged, they will go away.
   7  */
   8 #ifndef QEMU_PCIE_REGS_H
   9 #define QEMU_PCIE_REGS_H
  10
  11
  12 /* express capability */
  13
  14 #define PCI_EXP_VER1_SIZEOF             0x14 /* express capability of ver. 1 */
  15 #define PCI_EXP_VER2_SIZEOF             0x3c /* express capability of ver. 2 */
  16 #define PCI_EXT_CAP_VER_SHIFT           16
  17 #define PCI_EXT_CAP_NEXT_SHIFT          20
  18 #define PCI_EXT_CAP_NEXT_MASK           (0xffc << PCI_EXT_CAP_NEXT_SHIFT)
  19
  20 #define PCI_EXT_CAP(id, ver, next)                                      \
  21     ((id) |                                                             \
  22      ((ver) << PCI_EXT_CAP_VER_SHIFT) |                                 \
  23      ((next) << PCI_EXT_CAP_NEXT_SHIFT))
  24
  25 #define PCI_EXT_CAP_ALIGN               4
  26 #define PCI_EXT_CAP_ALIGNUP(x)                                  \
  27     (((x) + PCI_EXT_CAP_ALIGN - 1) & ~(PCI_EXT_CAP_ALIGN - 1))
  28
  29 /* PCI_EXP_FLAGS */
  30 #define PCI_EXP_FLAGS_VER1              1
  31 #define PCI_EXP_FLAGS_VER2              2
  32 #define PCI_EXP_FLAGS_IRQ_SHIFT         ctz32(PCI_EXP_FLAGS_IRQ)
  33 #define PCI_EXP_FLAGS_TYPE_SHIFT        ctz32(PCI_EXP_FLAGS_TYPE)
  34
  35 /* PCI_EXP_LINK{CAP, STA} */
  36 /* link speed */
  37 typedef enum PCIExpLinkSpeed {
  38     QEMU_PCI_EXP_LNK_2_5GT = 1,
  39     QEMU_PCI_EXP_LNK_5GT,
  40     QEMU_PCI_EXP_LNK_8GT,
  41     QEMU_PCI_EXP_LNK_16GT,
  42 } PCIExpLinkSpeed;
  43
  44 #define QEMU_PCI_EXP_LNKCAP_MLS(speed)  (speed)
  45 #define QEMU_PCI_EXP_LNKSTA_CLS         QEMU_PCI_EXP_LNKCAP_MLS
  46
  47 typedef enum PCIExpLinkWidth {
  48     QEMU_PCI_EXP_LNK_X1 = 1,
  49     QEMU_PCI_EXP_LNK_X2 = 2,
  50     QEMU_PCI_EXP_LNK_X4 = 4,
  51     QEMU_PCI_EXP_LNK_X8 = 8,
  52     QEMU_PCI_EXP_LNK_X12 = 12,
  53     QEMU_PCI_EXP_LNK_X16 = 16,
  54     QEMU_PCI_EXP_LNK_X32 = 32,
  55 } PCIExpLinkWidth;
  56
  57 #define PCI_EXP_LNK_MLW_SHIFT           ctz32(PCI_EXP_LNKCAP_MLW)
  58 #define QEMU_PCI_EXP_LNKCAP_MLW(width)  (width << PCI_EXP_LNK_MLW_SHIFT)
  59 #define QEMU_PCI_EXP_LNKSTA_NLW         QEMU_PCI_EXP_LNKCAP_MLW
  60
  61 /* PCI_EXP_LINKCAP */
  62 #define PCI_EXP_LNKCAP_ASPMS_SHIFT      ctz32(PCI_EXP_LNKCAP_ASPMS)
  63 #define PCI_EXP_LNKCAP_ASPMS_0S         (1 << PCI_EXP_LNKCAP_ASPMS_SHIFT)
  64
  65 #define PCI_EXP_LNKCAP_PN_SHIFT         ctz32(PCI_EXP_LNKCAP_PN)
  66
  67 #define PCI_EXP_SLTCAP_PSN_SHIFT        ctz32(PCI_EXP_SLTCAP_PSN)
  68
  69 #define PCI_EXP_SLTCTL_IND_RESERVED     0x0
  70 #define PCI_EXP_SLTCTL_IND_ON           0x1
  71 #define PCI_EXP_SLTCTL_IND_BLINK        0x2
  72 #define PCI_EXP_SLTCTL_IND_OFF          0x3
  73 #define PCI_EXP_SLTCTL_AIC_SHIFT        ctz32(PCI_EXP_SLTCTL_AIC)
  74 #define PCI_EXP_SLTCTL_AIC_OFF                          \
  75     (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_AIC_SHIFT)
  76
  77 #define PCI_EXP_SLTCTL_PIC_SHIFT        ctz32(PCI_EXP_SLTCTL_PIC)
  78 #define PCI_EXP_SLTCTL_PIC_OFF                          \
  79     (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_PIC_SHIFT)
  80 #define PCI_EXP_SLTCTL_PIC_ON                          \
  81     (PCI_EXP_SLTCTL_IND_ON << PCI_EXP_SLTCTL_PIC_SHIFT)
  82
  83 #define PCI_EXP_SLTCTL_SUPPORTED        \
  84             (PCI_EXP_SLTCTL_ABPE |      \
  85              PCI_EXP_SLTCTL_PDCE |      \
  86              PCI_EXP_SLTCTL_CCIE |      \
  87              PCI_EXP_SLTCTL_HPIE |      \
  88              PCI_EXP_SLTCTL_AIC |       \
  89              PCI_EXP_SLTCTL_PCC |       \
  90              PCI_EXP_SLTCTL_EIC)
  91
  92 #define PCI_EXP_DEVCAP2_EFF             0x100000
  93 #define PCI_EXP_DEVCAP2_EETLPP          0x200000
  94
  95 #define PCI_EXP_DEVCTL2_EETLPPB         0x8000
  96
  97 /* ARI */
  98 #define PCI_ARI_VER                     1
  99 #define PCI_ARI_SIZEOF                  8
 100
 101 /* AER */
 102 #define PCI_ERR_VER                     2
 103 #define PCI_ERR_SIZEOF                  0x48
 104
 105 #define PCI_ERR_UNC_SDN                 0x00000020      /* surprise down */
 106 #define PCI_ERR_UNC_ACSV                0x00200000      /* ACS Violation */
 107 #define PCI_ERR_UNC_INTN                0x00400000      /* Internal Error */
 108 #define PCI_ERR_UNC_MCBTLP              0x00800000      /* MC Blcoked TLP */
 109 #define PCI_ERR_UNC_ATOP_EBLOCKED       0x01000000      /* atomic op egress blocked */
 110 #define PCI_ERR_UNC_TLP_PRF_BLOCKED     0x02000000      /* TLP Prefix Blocked */
 111 #define PCI_ERR_COR_ADV_NONFATAL        0x00002000      /* Advisory Non-Fatal */
 112 #define PCI_ERR_COR_INTERNAL            0x00004000      /* Corrected Internal */
 113 #define PCI_ERR_COR_HL_OVERFLOW         0x00008000      /* Header Long Overflow */
 114 #define PCI_ERR_CAP_FEP_MASK            0x0000001f
 115 #define PCI_ERR_CAP_MHRC                0x00000200
 116 #define PCI_ERR_CAP_MHRE                0x00000400
 117 #define PCI_ERR_CAP_TLP                 0x00000800
 118
 119 #define PCI_ERR_HEADER_LOG_SIZE         16
 120 #define PCI_ERR_TLP_PREFIX_LOG          0x38
 121 #define PCI_ERR_TLP_PREFIX_LOG_SIZE     16
 122
 123 #define PCI_SEC_STATUS_RCV_SYSTEM_ERROR         0x4000
 124
 125 /* aer root error command/status */
 126 #define PCI_ERR_ROOT_CMD_EN_MASK        (PCI_ERR_ROOT_CMD_COR_EN |      \
 127                                          PCI_ERR_ROOT_CMD_NONFATAL_EN | \
 128                                          PCI_ERR_ROOT_CMD_FATAL_EN)
 129
 130 #define PCI_ERR_ROOT_IRQ_MAX            32
 131 #define PCI_ERR_ROOT_IRQ                0xf8000000
 132 #define PCI_ERR_ROOT_IRQ_SHIFT          ctz32(PCI_ERR_ROOT_IRQ)
 133 #define PCI_ERR_ROOT_STATUS_REPORT_MASK (PCI_ERR_ROOT_COR_RCV |         \
 134                                          PCI_ERR_ROOT_MULTI_COR_RCV |   \
 135                                          PCI_ERR_ROOT_UNCOR_RCV |       \
 136                                          PCI_ERR_ROOT_MULTI_UNCOR_RCV | \
 137                                          PCI_ERR_ROOT_FIRST_FATAL |     \
 138                                          PCI_ERR_ROOT_NONFATAL_RCV |    \
 139                                          PCI_ERR_ROOT_FATAL_RCV)
 140
 141 #define PCI_ERR_UNC_SUPPORTED           (PCI_ERR_UNC_DLP |              \
 142                                          PCI_ERR_UNC_SDN |              \
 143                                          PCI_ERR_UNC_POISON_TLP |       \
 144                                          PCI_ERR_UNC_FCP |              \
 145                                          PCI_ERR_UNC_COMP_TIME |        \
 146                                          PCI_ERR_UNC_COMP_ABORT |       \
 147                                          PCI_ERR_UNC_UNX_COMP |         \
 148                                          PCI_ERR_UNC_RX_OVER |          \
 149                                          PCI_ERR_UNC_MALF_TLP |         \
 150                                          PCI_ERR_UNC_ECRC |             \
 151                                          PCI_ERR_UNC_UNSUP |            \
 152                                          PCI_ERR_UNC_ACSV |             \
 153                                          PCI_ERR_UNC_INTN |             \
 154                                          PCI_ERR_UNC_MCBTLP |           \
 155                                          PCI_ERR_UNC_ATOP_EBLOCKED |    \
 156                                          PCI_ERR_UNC_TLP_PRF_BLOCKED)
 157
 158 #define PCI_ERR_UNC_SEVERITY_DEFAULT    (PCI_ERR_UNC_DLP |              \
 159                                          PCI_ERR_UNC_SDN |              \
 160                                          PCI_ERR_UNC_FCP |              \
 161                                          PCI_ERR_UNC_RX_OVER |          \
 162                                          PCI_ERR_UNC_MALF_TLP |         \
 163                                          PCI_ERR_UNC_INTN)
 164
 165 #define PCI_ERR_COR_SUPPORTED           (PCI_ERR_COR_RCVR |             \
 166                                          PCI_ERR_COR_BAD_TLP |          \
 167                                          PCI_ERR_COR_BAD_DLLP |         \
 168                                          PCI_ERR_COR_REP_ROLL |         \
 169                                          PCI_ERR_COR_REP_TIMER |        \
 170                                          PCI_ERR_COR_ADV_NONFATAL |     \
 171                                          PCI_ERR_COR_INTERNAL |         \
 172                                          PCI_ERR_COR_HL_OVERFLOW)
 173
 174 #define PCI_ERR_COR_MASK_DEFAULT        (PCI_ERR_COR_ADV_NONFATAL |     \
 175                                          PCI_ERR_COR_INTERNAL |         \
 176                                          PCI_ERR_COR_HL_OVERFLOW)
 177
 178 /* ACS */
 179 #define PCI_ACS_VER                     0x1
 180 #define PCI_ACS_SIZEOF                  8
 181
 182 #endif /* QEMU_PCIE_REGS_H */