/* * constants for pcie configurations space from pci express spec. * * TODO: * Those constants and macros should go to Linux pci_regs.h * Once they're merged, they will go away. */ #ifndef QEMU_PCIE_REGS_H #define QEMU_PCIE_REGS_H /* express capability */ #define PCI_EXP_VER2_SIZEOF 0x3c /* express capability of ver. 2 */ #define PCI_EXT_CAP_VER_SHIFT 16 #define PCI_EXT_CAP_NEXT_SHIFT 20 #define PCI_EXT_CAP_NEXT_MASK (0xffc << PCI_EXT_CAP_NEXT_SHIFT) #define PCI_EXT_CAP(id, ver, next) \ ((id) | \ ((ver) << PCI_EXT_CAP_VER_SHIFT) | \ ((next) << PCI_EXT_CAP_NEXT_SHIFT)) #define PCI_EXT_CAP_ALIGN 4 #define PCI_EXT_CAP_ALIGNUP(x) \ (((x) + PCI_EXT_CAP_ALIGN - 1) & ~(PCI_EXT_CAP_ALIGN - 1)) /* PCI_EXP_FLAGS */ #define PCI_EXP_FLAGS_VER2 2 /* for now, supports only ver. 2 */ #define PCI_EXP_FLAGS_IRQ_SHIFT (ffs(PCI_EXP_FLAGS_IRQ) - 1) #define PCI_EXP_FLAGS_TYPE_SHIFT (ffs(PCI_EXP_FLAGS_TYPE) - 1) /* PCI_EXP_LINK{CAP, STA} */ /* link speed */ #define PCI_EXP_LNK_LS_25 1 #define PCI_EXP_LNK_MLW_SHIFT (ffs(PCI_EXP_LNKCAP_MLW) - 1) #define PCI_EXP_LNK_MLW_1 (1 << PCI_EXP_LNK_MLW_SHIFT) /* PCI_EXP_LINKCAP */ #define PCI_EXP_LNKCAP_ASPMS_SHIFT (ffs(PCI_EXP_LNKCAP_ASPMS) - 1) #define PCI_EXP_LNKCAP_ASPMS_0S (1 << PCI_EXP_LNKCAP_ASPMS_SHIFT) #define PCI_EXP_LNKCAP_PN_SHIFT (ffs(PCI_EXP_LNKCAP_PN) - 1) #define PCI_EXP_SLTCAP_PSN_SHIFT (ffs(PCI_EXP_SLTCAP_PSN) - 1) #define PCI_EXP_SLTCTL_IND_RESERVED 0x0 #define PCI_EXP_SLTCTL_IND_ON 0x1 #define PCI_EXP_SLTCTL_IND_BLINK 0x2 #define PCI_EXP_SLTCTL_IND_OFF 0x3 #define PCI_EXP_SLTCTL_AIC_SHIFT (ffs(PCI_EXP_SLTCTL_AIC) - 1) #define PCI_EXP_SLTCTL_AIC_OFF \ (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_AIC_SHIFT) #define PCI_EXP_SLTCTL_PIC_SHIFT (ffs(PCI_EXP_SLTCTL_PIC) - 1) #define PCI_EXP_SLTCTL_PIC_OFF \ (PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_PIC_SHIFT) #define PCI_EXP_SLTCTL_SUPPORTED \ (PCI_EXP_SLTCTL_ABPE | \ PCI_EXP_SLTCTL_PDCE | \ PCI_EXP_SLTCTL_CCIE | \ PCI_EXP_SLTCTL_HPIE | \ PCI_EXP_SLTCTL_AIC | \ PCI_EXP_SLTCTL_PCC | \ PCI_EXP_SLTCTL_EIC) #define PCI_EXP_DEVCAP2_EFF 0x100000 #define PCI_EXP_DEVCAP2_EETLPP 0x200000 #define PCI_EXP_DEVCTL2_EETLPPB 0x80 /* ARI */ #define PCI_ARI_VER 1 #define PCI_ARI_SIZEOF 8 /* AER */ #define PCI_ERR_VER 2 #define PCI_ERR_SIZEOF 0x48 #define PCI_ERR_UNC_SDN 0x00000020 /* surprise down */ #define PCI_ERR_UNC_ACSV 0x00200000 /* ACS Violation */ #define PCI_ERR_UNC_INTN 0x00400000 /* Internal Error */ #define PCI_ERR_UNC_MCBTLP 0x00800000 /* MC Blcoked TLP */ #define PCI_ERR_UNC_ATOP_EBLOCKED 0x01000000 /* atomic op egress blocked */ #define PCI_ERR_UNC_TLP_PRF_BLOCKED 0x02000000 /* TLP Prefix Blocked */ #define PCI_ERR_COR_ADV_NONFATAL 0x00002000 /* Advisory Non-Fatal */ #define PCI_ERR_COR_INTERNAL 0x00004000 /* Corrected Internal */ #define PCI_ERR_COR_HL_OVERFLOW 0x00008000 /* Header Long Overflow */ #define PCI_ERR_CAP_FEP_MASK 0x0000001f #define PCI_ERR_CAP_MHRC 0x00000200 #define PCI_ERR_CAP_MHRE 0x00000400 #define PCI_ERR_CAP_TLP 0x00000800 #define PCI_ERR_HEADER_LOG_SIZE 16 #define PCI_ERR_TLP_PREFIX_LOG 0x38 #define PCI_ERR_TLP_PREFIX_LOG_SIZE 16 #define PCI_SEC_STATUS_RCV_SYSTEM_ERROR 0x4000 /* aer root error command/status */ #define PCI_ERR_ROOT_CMD_EN_MASK (PCI_ERR_ROOT_CMD_COR_EN | \ PCI_ERR_ROOT_CMD_NONFATAL_EN | \ PCI_ERR_ROOT_CMD_FATAL_EN) #define PCI_ERR_ROOT_IRQ_MAX 32 #define PCI_ERR_ROOT_IRQ 0xf8000000 #define PCI_ERR_ROOT_IRQ_SHIFT (ffs(PCI_ERR_ROOT_IRQ) - 1) #define PCI_ERR_ROOT_STATUS_REPORT_MASK (PCI_ERR_ROOT_COR_RCV | \ PCI_ERR_ROOT_MULTI_COR_RCV | \ PCI_ERR_ROOT_UNCOR_RCV | \ PCI_ERR_ROOT_MULTI_UNCOR_RCV | \ PCI_ERR_ROOT_FIRST_FATAL | \ PCI_ERR_ROOT_NONFATAL_RCV | \ PCI_ERR_ROOT_FATAL_RCV) #define PCI_ERR_UNC_SUPPORTED (PCI_ERR_UNC_DLP | \ PCI_ERR_UNC_SDN | \ PCI_ERR_UNC_POISON_TLP | \ PCI_ERR_UNC_FCP | \ PCI_ERR_UNC_COMP_TIME | \ PCI_ERR_UNC_COMP_ABORT | \ PCI_ERR_UNC_UNX_COMP | \ PCI_ERR_UNC_RX_OVER | \ PCI_ERR_UNC_MALF_TLP | \ PCI_ERR_UNC_ECRC | \ PCI_ERR_UNC_UNSUP | \ PCI_ERR_UNC_ACSV | \ PCI_ERR_UNC_INTN | \ PCI_ERR_UNC_MCBTLP | \ PCI_ERR_UNC_ATOP_EBLOCKED | \ PCI_ERR_UNC_TLP_PRF_BLOCKED) #define PCI_ERR_UNC_SEVERITY_DEFAULT (PCI_ERR_UNC_DLP | \ PCI_ERR_UNC_SDN | \ PCI_ERR_UNC_FCP | \ PCI_ERR_UNC_RX_OVER | \ PCI_ERR_UNC_MALF_TLP | \ PCI_ERR_UNC_INTN) #define PCI_ERR_COR_SUPPORTED (PCI_ERR_COR_RCVR | \ PCI_ERR_COR_BAD_TLP | \ PCI_ERR_COR_BAD_DLLP | \ PCI_ERR_COR_REP_ROLL | \ PCI_ERR_COR_REP_TIMER | \ PCI_ERR_COR_ADV_NONFATAL | \ PCI_ERR_COR_INTERNAL | \ PCI_ERR_COR_HL_OVERFLOW) #define PCI_ERR_COR_MASK_DEFAULT (PCI_ERR_COR_ADV_NONFATAL | \ PCI_ERR_COR_INTERNAL | \ PCI_ERR_COR_HL_OVERFLOW) #endif /* QEMU_PCIE_REGS_H */