Implementing an ACS capability on downstream ports and multifunction endpoints indicates isolation and IOMMU visibility to a finer granularity. This creates smaller IOMMU groups in the guest and thus more flexibility in assigning endpoints to guest userspace or an L2 guest. Signed-off-by: Knut Omang <knut.omang@oracle.com> Message-Id: <07489975121696f5573b0a92baaf3486ef51e35d.1550768238.git-series.knut.omang@oracle.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
183 lines
8 KiB
C
183 lines
8 KiB
C
/*
|
|
* 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_VER1_SIZEOF 0x14 /* express capability of ver. 1 */
|
|
#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_VER1 1
|
|
#define PCI_EXP_FLAGS_VER2 2
|
|
#define PCI_EXP_FLAGS_IRQ_SHIFT ctz32(PCI_EXP_FLAGS_IRQ)
|
|
#define PCI_EXP_FLAGS_TYPE_SHIFT ctz32(PCI_EXP_FLAGS_TYPE)
|
|
|
|
/* PCI_EXP_LINK{CAP, STA} */
|
|
/* link speed */
|
|
typedef enum PCIExpLinkSpeed {
|
|
QEMU_PCI_EXP_LNK_2_5GT = 1,
|
|
QEMU_PCI_EXP_LNK_5GT,
|
|
QEMU_PCI_EXP_LNK_8GT,
|
|
QEMU_PCI_EXP_LNK_16GT,
|
|
} PCIExpLinkSpeed;
|
|
|
|
#define QEMU_PCI_EXP_LNKCAP_MLS(speed) (speed)
|
|
#define QEMU_PCI_EXP_LNKSTA_CLS QEMU_PCI_EXP_LNKCAP_MLS
|
|
|
|
typedef enum PCIExpLinkWidth {
|
|
QEMU_PCI_EXP_LNK_X1 = 1,
|
|
QEMU_PCI_EXP_LNK_X2 = 2,
|
|
QEMU_PCI_EXP_LNK_X4 = 4,
|
|
QEMU_PCI_EXP_LNK_X8 = 8,
|
|
QEMU_PCI_EXP_LNK_X12 = 12,
|
|
QEMU_PCI_EXP_LNK_X16 = 16,
|
|
QEMU_PCI_EXP_LNK_X32 = 32,
|
|
} PCIExpLinkWidth;
|
|
|
|
#define PCI_EXP_LNK_MLW_SHIFT ctz32(PCI_EXP_LNKCAP_MLW)
|
|
#define QEMU_PCI_EXP_LNKCAP_MLW(width) (width << PCI_EXP_LNK_MLW_SHIFT)
|
|
#define QEMU_PCI_EXP_LNKSTA_NLW QEMU_PCI_EXP_LNKCAP_MLW
|
|
|
|
/* PCI_EXP_LINKCAP */
|
|
#define PCI_EXP_LNKCAP_ASPMS_SHIFT ctz32(PCI_EXP_LNKCAP_ASPMS)
|
|
#define PCI_EXP_LNKCAP_ASPMS_0S (1 << PCI_EXP_LNKCAP_ASPMS_SHIFT)
|
|
|
|
#define PCI_EXP_LNKCAP_PN_SHIFT ctz32(PCI_EXP_LNKCAP_PN)
|
|
|
|
#define PCI_EXP_SLTCAP_PSN_SHIFT ctz32(PCI_EXP_SLTCAP_PSN)
|
|
|
|
#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 ctz32(PCI_EXP_SLTCTL_AIC)
|
|
#define PCI_EXP_SLTCTL_AIC_OFF \
|
|
(PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_AIC_SHIFT)
|
|
|
|
#define PCI_EXP_SLTCTL_PIC_SHIFT ctz32(PCI_EXP_SLTCTL_PIC)
|
|
#define PCI_EXP_SLTCTL_PIC_OFF \
|
|
(PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_PIC_SHIFT)
|
|
#define PCI_EXP_SLTCTL_PIC_ON \
|
|
(PCI_EXP_SLTCTL_IND_ON << 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 0x8000
|
|
|
|
/* 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 ctz32(PCI_ERR_ROOT_IRQ)
|
|
#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)
|
|
|
|
/* ACS */
|
|
#define PCI_ACS_VER 0x1
|
|
#define PCI_ACS_SIZEOF 8
|
|
|
|
#endif /* QEMU_PCIE_REGS_H */
|