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