xref: /qemu/include/hw/pci/pcie_regs.h (revision 52ea63de)
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 #define PCI_EXP_LNK_LS_25               1
38 
39 #define PCI_EXP_LNK_MLW_SHIFT           ctz32(PCI_EXP_LNKCAP_MLW)
40 #define PCI_EXP_LNK_MLW_1               (1 << PCI_EXP_LNK_MLW_SHIFT)
41 
42 /* PCI_EXP_LINKCAP */
43 #define PCI_EXP_LNKCAP_ASPMS_SHIFT      ctz32(PCI_EXP_LNKCAP_ASPMS)
44 #define PCI_EXP_LNKCAP_ASPMS_0S         (1 << PCI_EXP_LNKCAP_ASPMS_SHIFT)
45 
46 #define PCI_EXP_LNKCAP_PN_SHIFT         ctz32(PCI_EXP_LNKCAP_PN)
47 
48 #define PCI_EXP_SLTCAP_PSN_SHIFT        ctz32(PCI_EXP_SLTCAP_PSN)
49 
50 #define PCI_EXP_SLTCTL_IND_RESERVED     0x0
51 #define PCI_EXP_SLTCTL_IND_ON           0x1
52 #define PCI_EXP_SLTCTL_IND_BLINK        0x2
53 #define PCI_EXP_SLTCTL_IND_OFF          0x3
54 #define PCI_EXP_SLTCTL_AIC_SHIFT        ctz32(PCI_EXP_SLTCTL_AIC)
55 #define PCI_EXP_SLTCTL_AIC_OFF                          \
56     (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_AIC_SHIFT)
57 
58 #define PCI_EXP_SLTCTL_PIC_SHIFT        ctz32(PCI_EXP_SLTCTL_PIC)
59 #define PCI_EXP_SLTCTL_PIC_OFF                          \
60     (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_PIC_SHIFT)
61 #define PCI_EXP_SLTCTL_PIC_ON                          \
62     (PCI_EXP_SLTCTL_IND_ON << PCI_EXP_SLTCTL_PIC_SHIFT)
63 
64 #define PCI_EXP_SLTCTL_SUPPORTED        \
65             (PCI_EXP_SLTCTL_ABPE |      \
66              PCI_EXP_SLTCTL_PDCE |      \
67              PCI_EXP_SLTCTL_CCIE |      \
68              PCI_EXP_SLTCTL_HPIE |      \
69              PCI_EXP_SLTCTL_AIC |       \
70              PCI_EXP_SLTCTL_PCC |       \
71              PCI_EXP_SLTCTL_EIC)
72 
73 #define PCI_EXP_DEVCAP2_EFF             0x100000
74 #define PCI_EXP_DEVCAP2_EETLPP          0x200000
75 
76 #define PCI_EXP_DEVCTL2_EETLPPB         0x8000
77 
78 /* ARI */
79 #define PCI_ARI_VER                     1
80 #define PCI_ARI_SIZEOF                  8
81 
82 /* AER */
83 #define PCI_ERR_VER                     2
84 #define PCI_ERR_SIZEOF                  0x48
85 
86 #define PCI_ERR_UNC_SDN                 0x00000020      /* surprise down */
87 #define PCI_ERR_UNC_ACSV                0x00200000      /* ACS Violation */
88 #define PCI_ERR_UNC_INTN                0x00400000      /* Internal Error */
89 #define PCI_ERR_UNC_MCBTLP              0x00800000      /* MC Blcoked TLP */
90 #define PCI_ERR_UNC_ATOP_EBLOCKED       0x01000000      /* atomic op egress blocked */
91 #define PCI_ERR_UNC_TLP_PRF_BLOCKED     0x02000000      /* TLP Prefix Blocked */
92 #define PCI_ERR_COR_ADV_NONFATAL        0x00002000      /* Advisory Non-Fatal */
93 #define PCI_ERR_COR_INTERNAL            0x00004000      /* Corrected Internal */
94 #define PCI_ERR_COR_HL_OVERFLOW         0x00008000      /* Header Long Overflow */
95 #define PCI_ERR_CAP_FEP_MASK            0x0000001f
96 #define PCI_ERR_CAP_MHRC                0x00000200
97 #define PCI_ERR_CAP_MHRE                0x00000400
98 #define PCI_ERR_CAP_TLP                 0x00000800
99 
100 #define PCI_ERR_HEADER_LOG_SIZE         16
101 #define PCI_ERR_TLP_PREFIX_LOG          0x38
102 #define PCI_ERR_TLP_PREFIX_LOG_SIZE     16
103 
104 #define PCI_SEC_STATUS_RCV_SYSTEM_ERROR         0x4000
105 
106 /* aer root error command/status */
107 #define PCI_ERR_ROOT_CMD_EN_MASK        (PCI_ERR_ROOT_CMD_COR_EN |      \
108                                          PCI_ERR_ROOT_CMD_NONFATAL_EN | \
109                                          PCI_ERR_ROOT_CMD_FATAL_EN)
110 
111 #define PCI_ERR_ROOT_IRQ_MAX            32
112 #define PCI_ERR_ROOT_IRQ                0xf8000000
113 #define PCI_ERR_ROOT_IRQ_SHIFT          ctz32(PCI_ERR_ROOT_IRQ)
114 #define PCI_ERR_ROOT_STATUS_REPORT_MASK (PCI_ERR_ROOT_COR_RCV |         \
115                                          PCI_ERR_ROOT_MULTI_COR_RCV |   \
116                                          PCI_ERR_ROOT_UNCOR_RCV |       \
117                                          PCI_ERR_ROOT_MULTI_UNCOR_RCV | \
118                                          PCI_ERR_ROOT_FIRST_FATAL |     \
119                                          PCI_ERR_ROOT_NONFATAL_RCV |    \
120                                          PCI_ERR_ROOT_FATAL_RCV)
121 
122 #define PCI_ERR_UNC_SUPPORTED           (PCI_ERR_UNC_DLP |              \
123                                          PCI_ERR_UNC_SDN |              \
124                                          PCI_ERR_UNC_POISON_TLP |       \
125                                          PCI_ERR_UNC_FCP |              \
126                                          PCI_ERR_UNC_COMP_TIME |        \
127                                          PCI_ERR_UNC_COMP_ABORT |       \
128                                          PCI_ERR_UNC_UNX_COMP |         \
129                                          PCI_ERR_UNC_RX_OVER |          \
130                                          PCI_ERR_UNC_MALF_TLP |         \
131                                          PCI_ERR_UNC_ECRC |             \
132                                          PCI_ERR_UNC_UNSUP |            \
133                                          PCI_ERR_UNC_ACSV |             \
134                                          PCI_ERR_UNC_INTN |             \
135                                          PCI_ERR_UNC_MCBTLP |           \
136                                          PCI_ERR_UNC_ATOP_EBLOCKED |    \
137                                          PCI_ERR_UNC_TLP_PRF_BLOCKED)
138 
139 #define PCI_ERR_UNC_SEVERITY_DEFAULT    (PCI_ERR_UNC_DLP |              \
140                                          PCI_ERR_UNC_SDN |              \
141                                          PCI_ERR_UNC_FCP |              \
142                                          PCI_ERR_UNC_RX_OVER |          \
143                                          PCI_ERR_UNC_MALF_TLP |         \
144                                          PCI_ERR_UNC_INTN)
145 
146 #define PCI_ERR_COR_SUPPORTED           (PCI_ERR_COR_RCVR |             \
147                                          PCI_ERR_COR_BAD_TLP |          \
148                                          PCI_ERR_COR_BAD_DLLP |         \
149                                          PCI_ERR_COR_REP_ROLL |         \
150                                          PCI_ERR_COR_REP_TIMER |        \
151                                          PCI_ERR_COR_ADV_NONFATAL |     \
152                                          PCI_ERR_COR_INTERNAL |         \
153                                          PCI_ERR_COR_HL_OVERFLOW)
154 
155 #define PCI_ERR_COR_MASK_DEFAULT        (PCI_ERR_COR_ADV_NONFATAL |     \
156                                          PCI_ERR_COR_INTERNAL |         \
157                                          PCI_ERR_COR_HL_OVERFLOW)
158 
159 #endif /* QEMU_PCIE_REGS_H */
160