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/*
* 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_TLP_PREFIX_LOG 0x38
#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 */
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