xref: /openbmc/qemu/include/hw/pci/pcie_regs.h (revision c08da86d)
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     QEMU_PCI_EXP_LNK_32GT,
43     QEMU_PCI_EXP_LNK_64GT,
44 } PCIExpLinkSpeed;
45 
46 #define QEMU_PCI_EXP_LNKCAP_MLS(speed)  (speed)
47 #define QEMU_PCI_EXP_LNKSTA_CLS         QEMU_PCI_EXP_LNKCAP_MLS
48 
49 typedef enum PCIExpLinkWidth {
50     QEMU_PCI_EXP_LNK_X1 = 1,
51     QEMU_PCI_EXP_LNK_X2 = 2,
52     QEMU_PCI_EXP_LNK_X4 = 4,
53     QEMU_PCI_EXP_LNK_X8 = 8,
54     QEMU_PCI_EXP_LNK_X12 = 12,
55     QEMU_PCI_EXP_LNK_X16 = 16,
56     QEMU_PCI_EXP_LNK_X32 = 32,
57 } PCIExpLinkWidth;
58 
59 #define PCI_EXP_LNK_MLW_SHIFT           ctz32(PCI_EXP_LNKCAP_MLW)
60 #define QEMU_PCI_EXP_LNKCAP_MLW(width)  (width << PCI_EXP_LNK_MLW_SHIFT)
61 #define QEMU_PCI_EXP_LNKSTA_NLW         QEMU_PCI_EXP_LNKCAP_MLW
62 
63 /* PCI_EXP_LINKCAP */
64 #define PCI_EXP_LNKCAP_ASPMS_SHIFT      ctz32(PCI_EXP_LNKCAP_ASPMS)
65 #define PCI_EXP_LNKCAP_ASPMS_0S         (1 << PCI_EXP_LNKCAP_ASPMS_SHIFT)
66 
67 #define PCI_EXP_LNKCAP_PN_SHIFT         ctz32(PCI_EXP_LNKCAP_PN)
68 
69 #define PCI_EXP_SLTCAP_PSN_SHIFT        ctz32(PCI_EXP_SLTCAP_PSN)
70 
71 #define PCI_EXP_SLTCTL_SUPPORTED        \
72             (PCI_EXP_SLTCTL_ABPE |      \
73              PCI_EXP_SLTCTL_PDCE |      \
74              PCI_EXP_SLTCTL_CCIE |      \
75              PCI_EXP_SLTCTL_HPIE |      \
76              PCI_EXP_SLTCTL_AIC |       \
77              PCI_EXP_SLTCTL_PCC |       \
78              PCI_EXP_SLTCTL_EIC)
79 
80 #define PCI_EXP_DEVCAP2_EFF             0x100000
81 #define PCI_EXP_DEVCAP2_EETLPP          0x200000
82 
83 #define PCI_EXP_DEVCTL2_EETLPPB         0x8000
84 
85 /* ARI */
86 #define PCI_ARI_VER                     1
87 #define PCI_ARI_SIZEOF                  8
88 
89 /* AER */
90 #define PCI_ERR_VER                     2
91 #define PCI_ERR_SIZEOF                  0x48
92 
93 #define PCI_ERR_UNC_SDN                 0x00000020      /* surprise down */
94 #define PCI_ERR_UNC_ACSV                0x00200000      /* ACS Violation */
95 #define PCI_ERR_UNC_INTN                0x00400000      /* Internal Error */
96 #define PCI_ERR_UNC_MCBTLP              0x00800000      /* MC Blcoked TLP */
97 #define PCI_ERR_UNC_ATOP_EBLOCKED       0x01000000      /* atomic op egress blocked */
98 #define PCI_ERR_UNC_TLP_PRF_BLOCKED     0x02000000      /* TLP Prefix Blocked */
99 #define PCI_ERR_COR_ADV_NONFATAL        0x00002000      /* Advisory Non-Fatal */
100 #define PCI_ERR_COR_INTERNAL            0x00004000      /* Corrected Internal */
101 #define PCI_ERR_COR_HL_OVERFLOW         0x00008000      /* Header Long Overflow */
102 #define PCI_ERR_CAP_FEP_MASK            0x0000001f
103 #define PCI_ERR_CAP_MHRC                0x00000200
104 #define PCI_ERR_CAP_MHRE                0x00000400
105 #define PCI_ERR_CAP_TLP                 0x00000800
106 
107 #define PCI_ERR_HEADER_LOG_SIZE         16
108 #define PCI_ERR_TLP_PREFIX_LOG          0x38
109 #define PCI_ERR_TLP_PREFIX_LOG_SIZE     16
110 
111 #define PCI_SEC_STATUS_RCV_SYSTEM_ERROR         0x4000
112 
113 /* aer root error command/status */
114 #define PCI_ERR_ROOT_CMD_EN_MASK        (PCI_ERR_ROOT_CMD_COR_EN |      \
115                                          PCI_ERR_ROOT_CMD_NONFATAL_EN | \
116                                          PCI_ERR_ROOT_CMD_FATAL_EN)
117 
118 #define PCI_ERR_ROOT_IRQ_MAX            32
119 #define PCI_ERR_ROOT_IRQ                0xf8000000
120 #define PCI_ERR_ROOT_IRQ_SHIFT          ctz32(PCI_ERR_ROOT_IRQ)
121 #define PCI_ERR_ROOT_STATUS_REPORT_MASK (PCI_ERR_ROOT_COR_RCV |         \
122                                          PCI_ERR_ROOT_MULTI_COR_RCV |   \
123                                          PCI_ERR_ROOT_UNCOR_RCV |       \
124                                          PCI_ERR_ROOT_MULTI_UNCOR_RCV | \
125                                          PCI_ERR_ROOT_FIRST_FATAL |     \
126                                          PCI_ERR_ROOT_NONFATAL_RCV |    \
127                                          PCI_ERR_ROOT_FATAL_RCV)
128 
129 #define PCI_ERR_UNC_SUPPORTED           (PCI_ERR_UNC_DLP |              \
130                                          PCI_ERR_UNC_SDN |              \
131                                          PCI_ERR_UNC_POISON_TLP |       \
132                                          PCI_ERR_UNC_FCP |              \
133                                          PCI_ERR_UNC_COMP_TIME |        \
134                                          PCI_ERR_UNC_COMP_ABORT |       \
135                                          PCI_ERR_UNC_UNX_COMP |         \
136                                          PCI_ERR_UNC_RX_OVER |          \
137                                          PCI_ERR_UNC_MALF_TLP |         \
138                                          PCI_ERR_UNC_ECRC |             \
139                                          PCI_ERR_UNC_UNSUP |            \
140                                          PCI_ERR_UNC_ACSV |             \
141                                          PCI_ERR_UNC_INTN |             \
142                                          PCI_ERR_UNC_MCBTLP |           \
143                                          PCI_ERR_UNC_ATOP_EBLOCKED |    \
144                                          PCI_ERR_UNC_TLP_PRF_BLOCKED)
145 
146 #define PCI_ERR_UNC_MASK_DEFAULT        (PCI_ERR_UNC_INTN | \
147                                          PCI_ERR_UNC_TLP_PRF_BLOCKED)
148 
149 #define PCI_ERR_UNC_SEVERITY_DEFAULT    (PCI_ERR_UNC_DLP |              \
150                                          PCI_ERR_UNC_SDN |              \
151                                          PCI_ERR_UNC_FCP |              \
152                                          PCI_ERR_UNC_RX_OVER |          \
153                                          PCI_ERR_UNC_MALF_TLP |         \
154                                          PCI_ERR_UNC_INTN)
155 
156 #define PCI_ERR_COR_SUPPORTED           (PCI_ERR_COR_RCVR |             \
157                                          PCI_ERR_COR_BAD_TLP |          \
158                                          PCI_ERR_COR_BAD_DLLP |         \
159                                          PCI_ERR_COR_REP_ROLL |         \
160                                          PCI_ERR_COR_REP_TIMER |        \
161                                          PCI_ERR_COR_ADV_NONFATAL |     \
162                                          PCI_ERR_COR_INTERNAL |         \
163                                          PCI_ERR_COR_HL_OVERFLOW)
164 
165 #define PCI_ERR_COR_MASK_DEFAULT        (PCI_ERR_COR_ADV_NONFATAL |     \
166                                          PCI_ERR_COR_INTERNAL |         \
167                                          PCI_ERR_COR_HL_OVERFLOW)
168 
169 /* ACS */
170 #define PCI_ACS_VER                     0x1
171 #define PCI_ACS_SIZEOF                  8
172 
173 /* DOE Capability Register Fields */
174 #define PCI_DOE_VER                     0x1
175 #define PCI_DOE_SIZEOF                  24
176 
177 #endif /* QEMU_PCIE_REGS_H */
178