virtio: introduce virtqueue_alloc_element
[qemu.git] / include / hw / pci / pcie_regs.h
blob6a28b33e696e96cbe1b0ae49d146a52ef9548e90
1 /*
2 * constants for pcie configurations space from pci express spec.
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
12 /* express capability */
14 #define PCI_EXP_VER2_SIZEOF 0x3c /* express capability of ver. 2 */
15 #define PCI_EXT_CAP_VER_SHIFT 16
16 #define PCI_EXT_CAP_NEXT_SHIFT 20
17 #define PCI_EXT_CAP_NEXT_MASK (0xffc << PCI_EXT_CAP_NEXT_SHIFT)
19 #define PCI_EXT_CAP(id, ver, next) \
20 ((id) | \
21 ((ver) << PCI_EXT_CAP_VER_SHIFT) | \
22 ((next) << PCI_EXT_CAP_NEXT_SHIFT))
24 #define PCI_EXT_CAP_ALIGN 4
25 #define PCI_EXT_CAP_ALIGNUP(x) \
26 (((x) + PCI_EXT_CAP_ALIGN - 1) & ~(PCI_EXT_CAP_ALIGN - 1))
28 /* PCI_EXP_FLAGS */
29 #define PCI_EXP_FLAGS_VER2 2 /* for now, supports only ver. 2 */
30 #define PCI_EXP_FLAGS_IRQ_SHIFT ctz32(PCI_EXP_FLAGS_IRQ)
31 #define PCI_EXP_FLAGS_TYPE_SHIFT ctz32(PCI_EXP_FLAGS_TYPE)
34 /* PCI_EXP_LINK{CAP, STA} */
35 /* link speed */
36 #define PCI_EXP_LNK_LS_25 1
38 #define PCI_EXP_LNK_MLW_SHIFT ctz32(PCI_EXP_LNKCAP_MLW)
39 #define PCI_EXP_LNK_MLW_1 (1 << PCI_EXP_LNK_MLW_SHIFT)
41 /* PCI_EXP_LINKCAP */
42 #define PCI_EXP_LNKCAP_ASPMS_SHIFT ctz32(PCI_EXP_LNKCAP_ASPMS)
43 #define PCI_EXP_LNKCAP_ASPMS_0S (1 << PCI_EXP_LNKCAP_ASPMS_SHIFT)
45 #define PCI_EXP_LNKCAP_PN_SHIFT ctz32(PCI_EXP_LNKCAP_PN)
47 #define PCI_EXP_SLTCAP_PSN_SHIFT ctz32(PCI_EXP_SLTCAP_PSN)
49 #define PCI_EXP_SLTCTL_IND_RESERVED 0x0
50 #define PCI_EXP_SLTCTL_IND_ON 0x1
51 #define PCI_EXP_SLTCTL_IND_BLINK 0x2
52 #define PCI_EXP_SLTCTL_IND_OFF 0x3
53 #define PCI_EXP_SLTCTL_AIC_SHIFT ctz32(PCI_EXP_SLTCTL_AIC)
54 #define PCI_EXP_SLTCTL_AIC_OFF \
55 (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_AIC_SHIFT)
57 #define PCI_EXP_SLTCTL_PIC_SHIFT ctz32(PCI_EXP_SLTCTL_PIC)
58 #define PCI_EXP_SLTCTL_PIC_OFF \
59 (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_PIC_SHIFT)
60 #define PCI_EXP_SLTCTL_PIC_ON \
61 (PCI_EXP_SLTCTL_IND_ON << PCI_EXP_SLTCTL_PIC_SHIFT)
63 #define PCI_EXP_SLTCTL_SUPPORTED \
64 (PCI_EXP_SLTCTL_ABPE | \
65 PCI_EXP_SLTCTL_PDCE | \
66 PCI_EXP_SLTCTL_CCIE | \
67 PCI_EXP_SLTCTL_HPIE | \
68 PCI_EXP_SLTCTL_AIC | \
69 PCI_EXP_SLTCTL_PCC | \
70 PCI_EXP_SLTCTL_EIC)
72 #define PCI_EXP_DEVCAP2_EFF 0x100000
73 #define PCI_EXP_DEVCAP2_EETLPP 0x200000
75 #define PCI_EXP_DEVCTL2_EETLPPB 0x8000
77 /* ARI */
78 #define PCI_ARI_VER 1
79 #define PCI_ARI_SIZEOF 8
81 /* AER */
82 #define PCI_ERR_VER 2
83 #define PCI_ERR_SIZEOF 0x48
85 #define PCI_ERR_UNC_SDN 0x00000020 /* surprise down */
86 #define PCI_ERR_UNC_ACSV 0x00200000 /* ACS Violation */
87 #define PCI_ERR_UNC_INTN 0x00400000 /* Internal Error */
88 #define PCI_ERR_UNC_MCBTLP 0x00800000 /* MC Blcoked TLP */
89 #define PCI_ERR_UNC_ATOP_EBLOCKED 0x01000000 /* atomic op egress blocked */
90 #define PCI_ERR_UNC_TLP_PRF_BLOCKED 0x02000000 /* TLP Prefix Blocked */
91 #define PCI_ERR_COR_ADV_NONFATAL 0x00002000 /* Advisory Non-Fatal */
92 #define PCI_ERR_COR_INTERNAL 0x00004000 /* Corrected Internal */
93 #define PCI_ERR_COR_HL_OVERFLOW 0x00008000 /* Header Long Overflow */
94 #define PCI_ERR_CAP_FEP_MASK 0x0000001f
95 #define PCI_ERR_CAP_MHRC 0x00000200
96 #define PCI_ERR_CAP_MHRE 0x00000400
97 #define PCI_ERR_CAP_TLP 0x00000800
99 #define PCI_ERR_HEADER_LOG_SIZE 16
100 #define PCI_ERR_TLP_PREFIX_LOG 0x38
101 #define PCI_ERR_TLP_PREFIX_LOG_SIZE 16
103 #define PCI_SEC_STATUS_RCV_SYSTEM_ERROR 0x4000
105 /* aer root error command/status */
106 #define PCI_ERR_ROOT_CMD_EN_MASK (PCI_ERR_ROOT_CMD_COR_EN | \
107 PCI_ERR_ROOT_CMD_NONFATAL_EN | \
108 PCI_ERR_ROOT_CMD_FATAL_EN)
110 #define PCI_ERR_ROOT_IRQ_MAX 32
111 #define PCI_ERR_ROOT_IRQ 0xf8000000
112 #define PCI_ERR_ROOT_IRQ_SHIFT ctz32(PCI_ERR_ROOT_IRQ)
113 #define PCI_ERR_ROOT_STATUS_REPORT_MASK (PCI_ERR_ROOT_COR_RCV | \
114 PCI_ERR_ROOT_MULTI_COR_RCV | \
115 PCI_ERR_ROOT_UNCOR_RCV | \
116 PCI_ERR_ROOT_MULTI_UNCOR_RCV | \
117 PCI_ERR_ROOT_FIRST_FATAL | \
118 PCI_ERR_ROOT_NONFATAL_RCV | \
119 PCI_ERR_ROOT_FATAL_RCV)
121 #define PCI_ERR_UNC_SUPPORTED (PCI_ERR_UNC_DLP | \
122 PCI_ERR_UNC_SDN | \
123 PCI_ERR_UNC_POISON_TLP | \
124 PCI_ERR_UNC_FCP | \
125 PCI_ERR_UNC_COMP_TIME | \
126 PCI_ERR_UNC_COMP_ABORT | \
127 PCI_ERR_UNC_UNX_COMP | \
128 PCI_ERR_UNC_RX_OVER | \
129 PCI_ERR_UNC_MALF_TLP | \
130 PCI_ERR_UNC_ECRC | \
131 PCI_ERR_UNC_UNSUP | \
132 PCI_ERR_UNC_ACSV | \
133 PCI_ERR_UNC_INTN | \
134 PCI_ERR_UNC_MCBTLP | \
135 PCI_ERR_UNC_ATOP_EBLOCKED | \
136 PCI_ERR_UNC_TLP_PRF_BLOCKED)
138 #define PCI_ERR_UNC_SEVERITY_DEFAULT (PCI_ERR_UNC_DLP | \
139 PCI_ERR_UNC_SDN | \
140 PCI_ERR_UNC_FCP | \
141 PCI_ERR_UNC_RX_OVER | \
142 PCI_ERR_UNC_MALF_TLP | \
143 PCI_ERR_UNC_INTN)
145 #define PCI_ERR_COR_SUPPORTED (PCI_ERR_COR_RCVR | \
146 PCI_ERR_COR_BAD_TLP | \
147 PCI_ERR_COR_BAD_DLLP | \
148 PCI_ERR_COR_REP_ROLL | \
149 PCI_ERR_COR_REP_TIMER | \
150 PCI_ERR_COR_ADV_NONFATAL | \
151 PCI_ERR_COR_INTERNAL | \
152 PCI_ERR_COR_HL_OVERFLOW)
154 #define PCI_ERR_COR_MASK_DEFAULT (PCI_ERR_COR_ADV_NONFATAL | \
155 PCI_ERR_COR_INTERNAL | \
156 PCI_ERR_COR_HL_OVERFLOW)
158 #endif /* QEMU_PCIE_REGS_H */