RE: [PATCH rfcv2(upstream rfcv1) 01/25] Update linux header to support nested hwpt alloc

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Sorry, please ignore this email, wrong operations.

Thanks
Zhenzhong

>-----Original Message-----
>From: Duan, Zhenzhong <zhenzhong.duan@xxxxxxxxx>
>Sent: Thursday, December 7, 2023 4:17 PM
>Subject: [PATCH rfcv2(upstream rfcv1) 01/25] Update linux header to
>support nested hwpt alloc
>
>Repo: https://github.com/yiliu1765/iommufd/tree/iommufd_nesting
>commit id: a6b4ac621ad3d
>
>Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxx>
>---
> include/standard-headers/drm/drm_fourcc.h     |   2 +
> include/standard-headers/linux/pci_regs.h     |  24 +-
> include/standard-headers/linux/vhost_types.h  |   7 +
> .../standard-headers/linux/virtio_config.h    |   5 +
> linux-headers/asm-arm64/kvm.h                 |  32 ++
> linux-headers/asm-generic/unistd.h            |  14 +-
> linux-headers/asm-loongarch/bitsperlong.h     |   1 +
> linux-headers/asm-loongarch/kvm.h             | 108 ++++++
> linux-headers/asm-loongarch/mman.h            |   1 +
> linux-headers/asm-loongarch/unistd.h          |   5 +
> linux-headers/asm-mips/unistd_n32.h           |   4 +
> linux-headers/asm-mips/unistd_n64.h           |   4 +
> linux-headers/asm-mips/unistd_o32.h           |   4 +
> linux-headers/asm-powerpc/unistd_32.h         |   4 +
> linux-headers/asm-powerpc/unistd_64.h         |   4 +
> linux-headers/asm-riscv/kvm.h                 |  12 +
> linux-headers/asm-s390/unistd_32.h            |   4 +
> linux-headers/asm-s390/unistd_64.h            |   4 +
> linux-headers/asm-x86/unistd_32.h             |   4 +
> linux-headers/asm-x86/unistd_64.h             |   3 +
> linux-headers/asm-x86/unistd_x32.h            |   3 +
> linux-headers/linux/iommufd.h                 | 318 +++++++++++++++++-
> linux-headers/linux/kvm.h                     |  11 +
> linux-headers/linux/psp-sev.h                 |   1 +
> linux-headers/linux/stddef.h                  |   7 +
> linux-headers/linux/userfaultfd.h             |   9 +-
> linux-headers/linux/vfio.h                    |  49 ++-
> linux-headers/linux/vhost.h                   |   8 +
> 28 files changed, 625 insertions(+), 27 deletions(-)
> create mode 100644 linux-headers/asm-loongarch/bitsperlong.h
> create mode 100644 linux-headers/asm-loongarch/kvm.h
> create mode 100644 linux-headers/asm-loongarch/mman.h
> create mode 100644 linux-headers/asm-loongarch/unistd.h
>
>diff --git a/include/standard-headers/drm/drm_fourcc.h b/include/standard-
>headers/drm/drm_fourcc.h
>index 72279f4d25..3afb70160f 100644
>--- a/include/standard-headers/drm/drm_fourcc.h
>+++ b/include/standard-headers/drm/drm_fourcc.h
>@@ -322,6 +322,8 @@ extern "C" {
>  * index 1 = Cr:Cb plane, [39:0] Cr1:Cb1:Cr0:Cb0 little endian
>  */
> #define DRM_FORMAT_NV15		fourcc_code('N', 'V', '1', '5') /* 2x2
>subsampled Cr:Cb plane */
>+#define DRM_FORMAT_NV20		fourcc_code('N', 'V', '2', '0') /*
>2x1 subsampled Cr:Cb plane */
>+#define DRM_FORMAT_NV30		fourcc_code('N', 'V', '3', '0') /*
>non-subsampled Cr:Cb plane */
>
> /*
>  * 2 plane YCbCr MSB aligned
>diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-
>headers/linux/pci_regs.h
>index e5f558d964..a39193213f 100644
>--- a/include/standard-headers/linux/pci_regs.h
>+++ b/include/standard-headers/linux/pci_regs.h
>@@ -80,6 +80,7 @@
> #define  PCI_HEADER_TYPE_NORMAL		0
> #define  PCI_HEADER_TYPE_BRIDGE		1
> #define  PCI_HEADER_TYPE_CARDBUS	2
>+#define  PCI_HEADER_TYPE_MFD		0x80	/* Multi-Function
>Device (possible) */
>
> #define PCI_BIST		0x0f	/* 8 bits */
> #define  PCI_BIST_CODE_MASK	0x0f	/* Return result */
>@@ -637,6 +638,7 @@
> #define PCI_EXP_RTCAP		0x1e	/* Root Capabilities */
> #define  PCI_EXP_RTCAP_CRSVIS	0x0001	/* CRS Software Visibility
>capability */
> #define PCI_EXP_RTSTA		0x20	/* Root Status */
>+#define  PCI_EXP_RTSTA_PME_RQ_ID 0x0000ffff /* PME Requester ID */
> #define  PCI_EXP_RTSTA_PME	0x00010000 /* PME status */
> #define  PCI_EXP_RTSTA_PENDING	0x00020000 /* PME pending */
> /*
>@@ -930,12 +932,13 @@
>
> /* Process Address Space ID */
> #define PCI_PASID_CAP		0x04    /* PASID feature register */
>-#define  PCI_PASID_CAP_EXEC	0x02	/* Exec permissions
>Supported */
>-#define  PCI_PASID_CAP_PRIV	0x04	/* Privilege Mode Supported
>*/
>+#define  PCI_PASID_CAP_EXEC	0x0002	/* Exec permissions
>Supported */
>+#define  PCI_PASID_CAP_PRIV	0x0004	/* Privilege Mode Supported
>*/
>+#define  PCI_PASID_CAP_WIDTH	0x1f00
> #define PCI_PASID_CTRL		0x06    /* PASID control register */
>-#define  PCI_PASID_CTRL_ENABLE	0x01	/* Enable bit */
>-#define  PCI_PASID_CTRL_EXEC	0x02	/* Exec permissions Enable */
>-#define  PCI_PASID_CTRL_PRIV	0x04	/* Privilege Mode Enable */
>+#define  PCI_PASID_CTRL_ENABLE	0x0001	/* Enable bit */
>+#define  PCI_PASID_CTRL_EXEC	0x0002	/* Exec permissions Enable */
>+#define  PCI_PASID_CTRL_PRIV	0x0004	/* Privilege Mode Enable */
> #define PCI_EXT_CAP_PASID_SIZEOF	8
>
> /* Single Root I/O Virtualization */
>@@ -975,6 +978,8 @@
> #define  PCI_LTR_VALUE_MASK	0x000003ff
> #define  PCI_LTR_SCALE_MASK	0x00001c00
> #define  PCI_LTR_SCALE_SHIFT	10
>+#define  PCI_LTR_NOSNOOP_VALUE	0x03ff0000 /* Max No-Snoop Latency
>Value */
>+#define  PCI_LTR_NOSNOOP_SCALE	0x1c000000 /* Scale for Max Value */
> #define PCI_EXT_CAP_LTR_SIZEOF	8
>
> /* Access Control Service */
>@@ -1042,9 +1047,16 @@
> #define PCI_EXP_DPC_STATUS		0x08	/* DPC Status */
> #define  PCI_EXP_DPC_STATUS_TRIGGER	    0x0001 /* Trigger Status */
> #define  PCI_EXP_DPC_STATUS_TRIGGER_RSN	    0x0006 /* Trigger
>Reason */
>+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_UNCOR  0x0000 /*
>Uncorrectable error */
>+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_NFE    0x0002 /* Rcvd
>ERR_NONFATAL */
>+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_FE     0x0004 /* Rcvd
>ERR_FATAL */
>+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_IN_EXT 0x0006 /* Reason in
>Trig Reason Extension field */
> #define  PCI_EXP_DPC_STATUS_INTERRUPT	    0x0008 /* Interrupt Status
>*/
> #define  PCI_EXP_DPC_RP_BUSY		    0x0010 /* Root Port Busy
>*/
> #define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_EXT 0x0060 /* Trig Reason
>Extension */
>+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_RP_PIO
>	0x0000	/* RP PIO error */
>+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_SW_TRIGGER
>	0x0020	/* DPC SW Trigger bit */
>+#define  PCI_EXP_DPC_RP_PIO_FEP		    0x1f00 /* RP PIO First Err
>Ptr */
>
> #define PCI_EXP_DPC_SOURCE_ID		 0x0A	/* DPC Source
>Identifier */
>
>@@ -1088,6 +1100,8 @@
> #define  PCI_L1SS_CTL1_LTR_L12_TH_VALUE	0x03ff0000  /*
>LTR_L1.2_THRESHOLD_Value */
> #define  PCI_L1SS_CTL1_LTR_L12_TH_SCALE	0xe0000000  /*
>LTR_L1.2_THRESHOLD_Scale */
> #define PCI_L1SS_CTL2		0x0c	/* Control 2 Register */
>+#define  PCI_L1SS_CTL2_T_PWR_ON_SCALE	0x00000003  /*
>T_POWER_ON Scale */
>+#define  PCI_L1SS_CTL2_T_PWR_ON_VALUE	0x000000f8  /* T_POWER_ON
>Value */
>
> /* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */
> #define PCI_DVSEC_HEADER1		0x4 /* Designated Vendor-Specific
>Header1 */
>diff --git a/include/standard-headers/linux/vhost_types.h
>b/include/standard-headers/linux/vhost_types.h
>index 5ad07e134a..fd54044936 100644
>--- a/include/standard-headers/linux/vhost_types.h
>+++ b/include/standard-headers/linux/vhost_types.h
>@@ -185,5 +185,12 @@ struct vhost_vdpa_iova_range {
>  * DRIVER_OK
>  */
> #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK  0x6
>+/* Device may expose the virtqueue's descriptor area, driver area and
>+ * device area to a different group for ASID binding than where its
>+ * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID.
>+ */
>+#define VHOST_BACKEND_F_DESC_ASID    0x7
>+/* IOTLB don't flush memory mapping across device reset */
>+#define VHOST_BACKEND_F_IOTLB_PERSIST  0x8
>
> #endif
>diff --git a/include/standard-headers/linux/virtio_config.h
>b/include/standard-headers/linux/virtio_config.h
>index 8a7d0dc8b0..bfd1ca643e 100644
>--- a/include/standard-headers/linux/virtio_config.h
>+++ b/include/standard-headers/linux/virtio_config.h
>@@ -103,6 +103,11 @@
>  */
> #define VIRTIO_F_NOTIFICATION_DATA	38
>
>+/* This feature indicates that the driver uses the data provided by the
>device
>+ * as a virtqueue identifier in available buffer notifications.
>+ */
>+#define VIRTIO_F_NOTIF_CONFIG_DATA	39
>+
> /*
>  * This feature indicates that the driver can reset a queue individually.
>  */
>diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-
>arm64/kvm.h
>index 38e5957526..c59ea55cd8 100644
>--- a/linux-headers/asm-arm64/kvm.h
>+++ b/linux-headers/asm-arm64/kvm.h
>@@ -491,6 +491,38 @@ struct kvm_smccc_filter {
> #define KVM_HYPERCALL_EXIT_SMC		(1U << 0)
> #define KVM_HYPERCALL_EXIT_16BIT	(1U << 1)
>
>+/*
>+ * Get feature ID registers userspace writable mask.
>+ *
>+ * From DDI0487J.a, D19.2.66 ("ID_AA64MMFR2_EL1, AArch64 Memory
>Model
>+ * Feature Register 2"):
>+ *
>+ * "The Feature ID space is defined as the System register space in
>+ * AArch64 with op0==3, op1=={0, 1, 3}, CRn==0, CRm=={0-7},
>+ * op2=={0-7}."
>+ *
>+ * This covers all currently known R/O registers that indicate
>+ * anything useful feature wise, including the ID registers.
>+ *
>+ * If we ever need to introduce a new range, it will be described as
>+ * such in the range field.
>+ */
>+#define KVM_ARM_FEATURE_ID_RANGE_IDX(op0, op1, crn, crm, op2)
>		\
>+	({								\
>+		__u64 __op1 = (op1) & 3;				\
>+		__op1 -= (__op1 == 3);
>	\
>+		(__op1 << 6 | ((crm) & 7) << 3 | (op2));		\
>+	})
>+
>+#define KVM_ARM_FEATURE_ID_RANGE	0
>+#define KVM_ARM_FEATURE_ID_RANGE_SIZE	(3 * 8 * 8)
>+
>+struct reg_mask_range {
>+	__u64 addr;		/* Pointer to mask array */
>+	__u32 range;		/* Requested range */
>+	__u32 reserved[13];
>+};
>+
> #endif
>
> #endif /* __ARM_KVM_H__ */
>diff --git a/linux-headers/asm-generic/unistd.h b/linux-headers/asm-
>generic/unistd.h
>index abe087c53b..756b013fb8 100644
>--- a/linux-headers/asm-generic/unistd.h
>+++ b/linux-headers/asm-generic/unistd.h
>@@ -71,7 +71,7 @@ __SYSCALL(__NR_fremovexattr, sys_fremovexattr)
> #define __NR_getcwd 17
> __SYSCALL(__NR_getcwd, sys_getcwd)
> #define __NR_lookup_dcookie 18
>-__SC_COMP(__NR_lookup_dcookie, sys_lookup_dcookie,
>compat_sys_lookup_dcookie)
>+__SYSCALL(__NR_lookup_dcookie, sys_ni_syscall)
> #define __NR_eventfd2 19
> __SYSCALL(__NR_eventfd2, sys_eventfd2)
> #define __NR_epoll_create1 20
>@@ -816,15 +816,21 @@ __SYSCALL(__NR_process_mrelease,
>sys_process_mrelease)
> __SYSCALL(__NR_futex_waitv, sys_futex_waitv)
> #define __NR_set_mempolicy_home_node 450
> __SYSCALL(__NR_set_mempolicy_home_node,
>sys_set_mempolicy_home_node)
>-
> #define __NR_cachestat 451
> __SYSCALL(__NR_cachestat, sys_cachestat)
>-
> #define __NR_fchmodat2 452
> __SYSCALL(__NR_fchmodat2, sys_fchmodat2)
>+#define __NR_map_shadow_stack 453
>+__SYSCALL(__NR_map_shadow_stack, sys_map_shadow_stack)
>+#define __NR_futex_wake 454
>+__SYSCALL(__NR_futex_wake, sys_futex_wake)
>+#define __NR_futex_wait 455
>+__SYSCALL(__NR_futex_wait, sys_futex_wait)
>+#define __NR_futex_requeue 456
>+__SYSCALL(__NR_futex_requeue, sys_futex_requeue)
>
> #undef __NR_syscalls
>-#define __NR_syscalls 453
>+#define __NR_syscalls 457
>
> /*
>  * 32 bit systems traditionally used different
>diff --git a/linux-headers/asm-loongarch/bitsperlong.h b/linux-headers/asm-
>loongarch/bitsperlong.h
>new file mode 100644
>index 0000000000..6dc0bb0c13
>--- /dev/null
>+++ b/linux-headers/asm-loongarch/bitsperlong.h
>@@ -0,0 +1 @@
>+#include <asm-generic/bitsperlong.h>
>diff --git a/linux-headers/asm-loongarch/kvm.h b/linux-headers/asm-
>loongarch/kvm.h
>new file mode 100644
>index 0000000000..c6ad2ee610
>--- /dev/null
>+++ b/linux-headers/asm-loongarch/kvm.h
>@@ -0,0 +1,108 @@
>+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
>+/*
>+ * Copyright (C) 2020-2023 Loongson Technology Corporation Limited
>+ */
>+
>+#ifndef __UAPI_ASM_LOONGARCH_KVM_H
>+#define __UAPI_ASM_LOONGARCH_KVM_H
>+
>+#include <linux/types.h>
>+
>+/*
>+ * KVM LoongArch specific structures and definitions.
>+ *
>+ * Some parts derived from the x86 version of this file.
>+ */
>+
>+#define __KVM_HAVE_READONLY_MEM
>+
>+#define KVM_COALESCED_MMIO_PAGE_OFFSET	1
>+#define KVM_DIRTY_LOG_PAGE_OFFSET	64
>+
>+/*
>+ * for KVM_GET_REGS and KVM_SET_REGS
>+ */
>+struct kvm_regs {
>+	/* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
>+	__u64 gpr[32];
>+	__u64 pc;
>+};
>+
>+/*
>+ * for KVM_GET_FPU and KVM_SET_FPU
>+ */
>+struct kvm_fpu {
>+	__u32 fcsr;
>+	__u64 fcc;    /* 8x8 */
>+	struct kvm_fpureg {
>+		__u64 val64[4];
>+	} fpr[32];
>+};
>+
>+/*
>+ * For LoongArch, we use KVM_SET_ONE_REG and KVM_GET_ONE_REG to
>access various
>+ * registers.  The id field is broken down as follows:
>+ *
>+ *  bits[63..52] - As per linux/kvm.h
>+ *  bits[51..32] - Must be zero.
>+ *  bits[31..16] - Register set.
>+ *
>+ * Register set = 0: GP registers from kvm_regs (see definitions below).
>+ *
>+ * Register set = 1: CSR registers.
>+ *
>+ * Register set = 2: KVM specific registers (see definitions below).
>+ *
>+ * Register set = 3: FPU / SIMD registers (see definitions below).
>+ *
>+ * Other sets registers may be added in the future.  Each set would
>+ * have its own identifier in bits[31..16].
>+ */
>+
>+#define KVM_REG_LOONGARCH_GPR
>	(KVM_REG_LOONGARCH | 0x00000ULL)
>+#define KVM_REG_LOONGARCH_CSR
>	(KVM_REG_LOONGARCH | 0x10000ULL)
>+#define KVM_REG_LOONGARCH_KVM
>	(KVM_REG_LOONGARCH | 0x20000ULL)
>+#define KVM_REG_LOONGARCH_FPSIMD	(KVM_REG_LOONGARCH |
>0x30000ULL)
>+#define KVM_REG_LOONGARCH_CPUCFG	(KVM_REG_LOONGARCH |
>0x40000ULL)
>+#define KVM_REG_LOONGARCH_MASK
>	(KVM_REG_LOONGARCH | 0x70000ULL)
>+#define KVM_CSR_IDX_MASK		0x7fff
>+#define KVM_CPUCFG_IDX_MASK		0x7fff
>+
>+/*
>+ * KVM_REG_LOONGARCH_KVM - KVM specific control registers.
>+ */
>+
>+#define KVM_REG_LOONGARCH_COUNTER
>	(KVM_REG_LOONGARCH_KVM | KVM_REG_SIZE_U64 | 1)
>+#define KVM_REG_LOONGARCH_VCPU_RESET
>	(KVM_REG_LOONGARCH_KVM | KVM_REG_SIZE_U64 | 2)
>+
>+#define LOONGARCH_REG_SHIFT		3
>+#define LOONGARCH_REG_64(TYPE, REG)	(TYPE | KVM_REG_SIZE_U64 |
>(REG << LOONGARCH_REG_SHIFT))
>+#define KVM_IOC_CSRID(REG)
>	LOONGARCH_REG_64(KVM_REG_LOONGARCH_CSR, REG)
>+#define KVM_IOC_CPUCFG(REG)
>	LOONGARCH_REG_64(KVM_REG_LOONGARCH_CPUCFG, REG)
>+
>+struct kvm_debug_exit_arch {
>+};
>+
>+/* for KVM_SET_GUEST_DEBUG */
>+struct kvm_guest_debug_arch {
>+};
>+
>+/* definition of registers in kvm_run */
>+struct kvm_sync_regs {
>+};
>+
>+/* dummy definition */
>+struct kvm_sregs {
>+};
>+
>+struct kvm_iocsr_entry {
>+	__u32 addr;
>+	__u32 pad;
>+	__u64 data;
>+};
>+
>+#define KVM_NR_IRQCHIPS		1
>+#define KVM_IRQCHIP_NUM_PINS	64
>+#define KVM_MAX_CORES		256
>+
>+#endif /* __UAPI_ASM_LOONGARCH_KVM_H */
>diff --git a/linux-headers/asm-loongarch/mman.h b/linux-headers/asm-
>loongarch/mman.h
>new file mode 100644
>index 0000000000..8eebf89f5a
>--- /dev/null
>+++ b/linux-headers/asm-loongarch/mman.h
>@@ -0,0 +1 @@
>+#include <asm-generic/mman.h>
>diff --git a/linux-headers/asm-loongarch/unistd.h b/linux-headers/asm-
>loongarch/unistd.h
>new file mode 100644
>index 0000000000..fcb668984f
>--- /dev/null
>+++ b/linux-headers/asm-loongarch/unistd.h
>@@ -0,0 +1,5 @@
>+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
>+#define __ARCH_WANT_SYS_CLONE
>+#define __ARCH_WANT_SYS_CLONE3
>+
>+#include <asm-generic/unistd.h>
>diff --git a/linux-headers/asm-mips/unistd_n32.h b/linux-headers/asm-
>mips/unistd_n32.h
>index 46d8500654..994b6f008f 100644
>--- a/linux-headers/asm-mips/unistd_n32.h
>+++ b/linux-headers/asm-mips/unistd_n32.h
>@@ -381,5 +381,9 @@
> #define __NR_set_mempolicy_home_node (__NR_Linux + 450)
> #define __NR_cachestat (__NR_Linux + 451)
> #define __NR_fchmodat2 (__NR_Linux + 452)
>+#define __NR_map_shadow_stack (__NR_Linux + 453)
>+#define __NR_futex_wake (__NR_Linux + 454)
>+#define __NR_futex_wait (__NR_Linux + 455)
>+#define __NR_futex_requeue (__NR_Linux + 456)
>
> #endif /* _ASM_UNISTD_N32_H */
>diff --git a/linux-headers/asm-mips/unistd_n64.h b/linux-headers/asm-
>mips/unistd_n64.h
>index c2f7ac673b..41dcf5877a 100644
>--- a/linux-headers/asm-mips/unistd_n64.h
>+++ b/linux-headers/asm-mips/unistd_n64.h
>@@ -357,5 +357,9 @@
> #define __NR_set_mempolicy_home_node (__NR_Linux + 450)
> #define __NR_cachestat (__NR_Linux + 451)
> #define __NR_fchmodat2 (__NR_Linux + 452)
>+#define __NR_map_shadow_stack (__NR_Linux + 453)
>+#define __NR_futex_wake (__NR_Linux + 454)
>+#define __NR_futex_wait (__NR_Linux + 455)
>+#define __NR_futex_requeue (__NR_Linux + 456)
>
> #endif /* _ASM_UNISTD_N64_H */
>diff --git a/linux-headers/asm-mips/unistd_o32.h b/linux-headers/asm-
>mips/unistd_o32.h
>index 757c68f2ad..ae9d334d96 100644
>--- a/linux-headers/asm-mips/unistd_o32.h
>+++ b/linux-headers/asm-mips/unistd_o32.h
>@@ -427,5 +427,9 @@
> #define __NR_set_mempolicy_home_node (__NR_Linux + 450)
> #define __NR_cachestat (__NR_Linux + 451)
> #define __NR_fchmodat2 (__NR_Linux + 452)
>+#define __NR_map_shadow_stack (__NR_Linux + 453)
>+#define __NR_futex_wake (__NR_Linux + 454)
>+#define __NR_futex_wait (__NR_Linux + 455)
>+#define __NR_futex_requeue (__NR_Linux + 456)
>
> #endif /* _ASM_UNISTD_O32_H */
>diff --git a/linux-headers/asm-powerpc/unistd_32.h b/linux-headers/asm-
>powerpc/unistd_32.h
>index 8ef94bbac1..b9b23d66d7 100644
>--- a/linux-headers/asm-powerpc/unistd_32.h
>+++ b/linux-headers/asm-powerpc/unistd_32.h
>@@ -434,6 +434,10 @@
> #define __NR_set_mempolicy_home_node 450
> #define __NR_cachestat 451
> #define __NR_fchmodat2 452
>+#define __NR_map_shadow_stack 453
>+#define __NR_futex_wake 454
>+#define __NR_futex_wait 455
>+#define __NR_futex_requeue 456
>
>
> #endif /* _ASM_UNISTD_32_H */
>diff --git a/linux-headers/asm-powerpc/unistd_64.h b/linux-headers/asm-
>powerpc/unistd_64.h
>index 0e7ee43e88..cbb4b3e8f7 100644
>--- a/linux-headers/asm-powerpc/unistd_64.h
>+++ b/linux-headers/asm-powerpc/unistd_64.h
>@@ -406,6 +406,10 @@
> #define __NR_set_mempolicy_home_node 450
> #define __NR_cachestat 451
> #define __NR_fchmodat2 452
>+#define __NR_map_shadow_stack 453
>+#define __NR_futex_wake 454
>+#define __NR_futex_wait 455
>+#define __NR_futex_requeue 456
>
>
> #endif /* _ASM_UNISTD_64_H */
>diff --git a/linux-headers/asm-riscv/kvm.h b/linux-headers/asm-riscv/kvm.h
>index 992c5e4071..60d3b21dea 100644
>--- a/linux-headers/asm-riscv/kvm.h
>+++ b/linux-headers/asm-riscv/kvm.h
>@@ -80,6 +80,7 @@ struct kvm_riscv_csr {
> 	unsigned long sip;
> 	unsigned long satp;
> 	unsigned long scounteren;
>+	unsigned long senvcfg;
> };
>
> /* AIA CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
>@@ -93,6 +94,11 @@ struct kvm_riscv_aia_csr {
> 	unsigned long iprio2h;
> };
>
>+/* Smstateen CSR for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
>+struct kvm_riscv_smstateen_csr {
>+	unsigned long sstateen0;
>+};
>+
> /* TIMER registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> struct kvm_riscv_timer {
> 	__u64 frequency;
>@@ -131,6 +137,8 @@ enum KVM_RISCV_ISA_EXT_ID {
> 	KVM_RISCV_ISA_EXT_ZICSR,
> 	KVM_RISCV_ISA_EXT_ZIFENCEI,
> 	KVM_RISCV_ISA_EXT_ZIHPM,
>+	KVM_RISCV_ISA_EXT_SMSTATEEN,
>+	KVM_RISCV_ISA_EXT_ZICOND,
> 	KVM_RISCV_ISA_EXT_MAX,
> };
>
>@@ -148,6 +156,7 @@ enum KVM_RISCV_SBI_EXT_ID {
> 	KVM_RISCV_SBI_EXT_PMU,
> 	KVM_RISCV_SBI_EXT_EXPERIMENTAL,
> 	KVM_RISCV_SBI_EXT_VENDOR,
>+	KVM_RISCV_SBI_EXT_DBCN,
> 	KVM_RISCV_SBI_EXT_MAX,
> };
>
>@@ -178,10 +187,13 @@ enum KVM_RISCV_SBI_EXT_ID {
> #define KVM_REG_RISCV_CSR		(0x03 <<
>KVM_REG_RISCV_TYPE_SHIFT)
> #define KVM_REG_RISCV_CSR_GENERAL	(0x0 <<
>KVM_REG_RISCV_SUBTYPE_SHIFT)
> #define KVM_REG_RISCV_CSR_AIA		(0x1 <<
>KVM_REG_RISCV_SUBTYPE_SHIFT)
>+#define KVM_REG_RISCV_CSR_SMSTATEEN	(0x2 <<
>KVM_REG_RISCV_SUBTYPE_SHIFT)
> #define KVM_REG_RISCV_CSR_REG(name)	\
> 		(offsetof(struct kvm_riscv_csr, name) / sizeof(unsigned long))
> #define KVM_REG_RISCV_CSR_AIA_REG(name)	\
> 	(offsetof(struct kvm_riscv_aia_csr, name) / sizeof(unsigned long))
>+#define KVM_REG_RISCV_CSR_SMSTATEEN_REG(name)  \
>+	(offsetof(struct kvm_riscv_smstateen_csr, name) / sizeof(unsigned
>long))
>
> /* Timer registers are mapped as type 4 */
> #define KVM_REG_RISCV_TIMER		(0x04 <<
>KVM_REG_RISCV_TYPE_SHIFT)
>diff --git a/linux-headers/asm-s390/unistd_32.h b/linux-headers/asm-
>s390/unistd_32.h
>index 716fa368ca..c093e6d5f9 100644
>--- a/linux-headers/asm-s390/unistd_32.h
>+++ b/linux-headers/asm-s390/unistd_32.h
>@@ -425,5 +425,9 @@
> #define __NR_set_mempolicy_home_node 450
> #define __NR_cachestat 451
> #define __NR_fchmodat2 452
>+#define __NR_map_shadow_stack 453
>+#define __NR_futex_wake 454
>+#define __NR_futex_wait 455
>+#define __NR_futex_requeue 456
>
> #endif /* _ASM_S390_UNISTD_32_H */
>diff --git a/linux-headers/asm-s390/unistd_64.h b/linux-headers/asm-
>s390/unistd_64.h
>index b2a11b1d13..114c0569a4 100644
>--- a/linux-headers/asm-s390/unistd_64.h
>+++ b/linux-headers/asm-s390/unistd_64.h
>@@ -373,5 +373,9 @@
> #define __NR_set_mempolicy_home_node 450
> #define __NR_cachestat 451
> #define __NR_fchmodat2 452
>+#define __NR_map_shadow_stack 453
>+#define __NR_futex_wake 454
>+#define __NR_futex_wait 455
>+#define __NR_futex_requeue 456
>
> #endif /* _ASM_S390_UNISTD_64_H */
>diff --git a/linux-headers/asm-x86/unistd_32.h b/linux-headers/asm-
>x86/unistd_32.h
>index d749ad1c24..329649c377 100644
>--- a/linux-headers/asm-x86/unistd_32.h
>+++ b/linux-headers/asm-x86/unistd_32.h
>@@ -443,6 +443,10 @@
> #define __NR_set_mempolicy_home_node 450
> #define __NR_cachestat 451
> #define __NR_fchmodat2 452
>+#define __NR_map_shadow_stack 453
>+#define __NR_futex_wake 454
>+#define __NR_futex_wait 455
>+#define __NR_futex_requeue 456
>
>
> #endif /* _ASM_UNISTD_32_H */
>diff --git a/linux-headers/asm-x86/unistd_64.h b/linux-headers/asm-
>x86/unistd_64.h
>index cea67282eb..4583606ce6 100644
>--- a/linux-headers/asm-x86/unistd_64.h
>+++ b/linux-headers/asm-x86/unistd_64.h
>@@ -366,6 +366,9 @@
> #define __NR_cachestat 451
> #define __NR_fchmodat2 452
> #define __NR_map_shadow_stack 453
>+#define __NR_futex_wake 454
>+#define __NR_futex_wait 455
>+#define __NR_futex_requeue 456
>
>
> #endif /* _ASM_UNISTD_64_H */
>diff --git a/linux-headers/asm-x86/unistd_x32.h b/linux-headers/asm-
>x86/unistd_x32.h
>index 5b2e79bf4c..146d74d8e4 100644
>--- a/linux-headers/asm-x86/unistd_x32.h
>+++ b/linux-headers/asm-x86/unistd_x32.h
>@@ -318,6 +318,9 @@
> #define __NR_set_mempolicy_home_node (__X32_SYSCALL_BIT + 450)
> #define __NR_cachestat (__X32_SYSCALL_BIT + 451)
> #define __NR_fchmodat2 (__X32_SYSCALL_BIT + 452)
>+#define __NR_futex_wake (__X32_SYSCALL_BIT + 454)
>+#define __NR_futex_wait (__X32_SYSCALL_BIT + 455)
>+#define __NR_futex_requeue (__X32_SYSCALL_BIT + 456)
> #define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512)
> #define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513)
> #define __NR_ioctl (__X32_SYSCALL_BIT + 514)
>diff --git a/linux-headers/linux/iommufd.h b/linux-headers/linux/iommufd.h
>index 218bf7ac98..a400c11cf6 100644
>--- a/linux-headers/linux/iommufd.h
>+++ b/linux-headers/linux/iommufd.h
>@@ -47,6 +47,9 @@ enum {
> 	IOMMUFD_CMD_VFIO_IOAS,
> 	IOMMUFD_CMD_HWPT_ALLOC,
> 	IOMMUFD_CMD_GET_HW_INFO,
>+	IOMMUFD_CMD_HWPT_SET_DIRTY_TRACKING,
>+	IOMMUFD_CMD_HWPT_GET_DIRTY_BITMAP,
>+	IOMMUFD_CMD_HWPT_INVALIDATE,
> };
>
> /**
>@@ -347,20 +350,106 @@ struct iommu_vfio_ioas {
> };
> #define IOMMU_VFIO_IOAS _IO(IOMMUFD_TYPE,
>IOMMUFD_CMD_VFIO_IOAS)
>
>+/**
>+ * enum iommufd_hwpt_alloc_flags - Flags for HWPT allocation
>+ * @IOMMU_HWPT_ALLOC_NEST_PARENT: If set, allocate a HWPT that can
>serve as
>+ *                                the parent HWPT in a nesting configuration.
>+ * @IOMMU_HWPT_ALLOC_DIRTY_TRACKING: Dirty tracking support for
>device IOMMU is
>+ *                                   enforced on device attachment
>+ */
>+enum iommufd_hwpt_alloc_flags {
>+	IOMMU_HWPT_ALLOC_NEST_PARENT = 1 << 0,
>+	IOMMU_HWPT_ALLOC_DIRTY_TRACKING = 1 << 1,
>+};
>+
>+/**
>+ * enum iommu_hwpt_vtd_s1_flags - Intel VT-d stage-1 page table
>+ *                                entry attributes
>+ * @IOMMU_VTD_S1_SRE: Supervisor request
>+ * @IOMMU_VTD_S1_EAFE: Extended access enable
>+ * @IOMMU_VTD_S1_WPE: Write protect enable
>+ */
>+enum iommu_hwpt_vtd_s1_flags {
>+	IOMMU_VTD_S1_SRE = 1 << 0,
>+	IOMMU_VTD_S1_EAFE = 1 << 1,
>+	IOMMU_VTD_S1_WPE = 1 << 2,
>+};
>+
>+/**
>+ * struct iommu_hwpt_vtd_s1 - Intel VT-d stage-1 page table
>+ *                            info (IOMMU_HWPT_DATA_VTD_S1)
>+ * @flags: Combination of enum iommu_hwpt_vtd_s1_flags
>+ * @pgtbl_addr: The base address of the stage-1 page table.
>+ * @addr_width: The address width of the stage-1 page table
>+ * @__reserved: Must be 0
>+ */
>+struct iommu_hwpt_vtd_s1 {
>+	__aligned_u64 flags;
>+	__aligned_u64 pgtbl_addr;
>+	__u32 addr_width;
>+	__u32 __reserved;
>+};
>+
>+/**
>+ * struct iommu_hwpt_arm_smmuv3 - ARM SMMUv3 Context Descriptor
>Table info
>+ *                                (IOMMU_HWPT_DATA_ARM_SMMUV3)
>+ *
>+ * @ste: The first two double words of the user space Stream Table Entry
>for
>+ *       a user stage-1 Context Descriptor Table. Must be little-endian.
>+ *       Allowed fields: (Refer to "5.2 Stream Table Entry" in SMMUv3 HW
>Spec)
>+ *       - word-0: V, S1Fmt, S1ContextPtr, S1CDMax
>+ *       - word-1: S1DSS, S1CIR, S1COR, S1CSH, S1STALLD
>+ * @sid: The user space Stream ID to index the user Stream Table Entry
>@ste
>+ *
>+ * -EIO will be returned if @ste is not legal or contains any non-allowed field.
>+ */
>+struct iommu_hwpt_arm_smmuv3 {
>+	__aligned_le64 ste[2];
>+	__u32 sid;
>+};
>+
>+/**
>+ * enum iommu_hwpt_data_type - IOMMU HWPT Data Type
>+ * @IOMMU_HWPT_DATA_NONE: no data
>+ * @IOMMU_HWPT_DATA_VTD_S1: Intel VT-d stage-1 page table
>+ * @IOMMU_HWPT_DATA_ARM_SMMUV3: ARM SMMUv3 Context
>Descriptor Table
>+ */
>+enum iommu_hwpt_data_type {
>+	IOMMU_HWPT_DATA_NONE,
>+	IOMMU_HWPT_DATA_VTD_S1,
>+	IOMMU_HWPT_DATA_ARM_SMMUV3,
>+};
>+
> /**
>  * struct iommu_hwpt_alloc - ioctl(IOMMU_HWPT_ALLOC)
>  * @size: sizeof(struct iommu_hwpt_alloc)
>- * @flags: Must be 0
>+ * @flags: Combination of enum iommufd_hwpt_alloc_flags
>  * @dev_id: The device to allocate this HWPT for
>- * @pt_id: The IOAS to connect this HWPT to
>+ * @pt_id: The IOAS or HWPT to connect this HWPT to
>  * @out_hwpt_id: The ID of the new HWPT
>  * @__reserved: Must be 0
>+ * @data_type: One of enum iommu_hwpt_data_type
>+ * @data_len: Length of the type specific data
>+ * @data_uptr: User pointer to the type specific data
>  *
>  * Explicitly allocate a hardware page table object. This is the same object
>  * type that is returned by iommufd_device_attach() and represents the
>  * underlying iommu driver's iommu_domain kernel object.
>  *
>- * A HWPT will be created with the IOVA mappings from the given IOAS.
>+ * A kernel-managed HWPT will be created with the mappings from the
>given
>+ * IOAS via the @pt_id. The @data_type for this allocation must be set to
>+ * IOMMU_HWPT_DATA_NONE. The HWPT can be allocated as a parent
>HWPT for a
>+ * nesting configuration by passing IOMMU_HWPT_ALLOC_NEST_PARENT
>via @flags.
>+ *
>+ * A user-managed nested HWPT will be created from a given parent HWPT
>via
>+ * @pt_id, in which the parent HWPT must be allocated previously via the
>+ * same ioctl from a given IOAS (@pt_id). In this case, the @data_type
>+ * must be set to a pre-defined type corresponding to an I/O page table
>+ * type supported by the underlying IOMMU hardware.
>+ *
>+ * If the @data_type is set to IOMMU_HWPT_DATA_NONE, @data_len and
>+ * @data_uptr should be zero. Otherwise, both @data_len and @data_uptr
>+ * must be given.
>  */
> struct iommu_hwpt_alloc {
> 	__u32 size;
>@@ -369,13 +458,26 @@ struct iommu_hwpt_alloc {
> 	__u32 pt_id;
> 	__u32 out_hwpt_id;
> 	__u32 __reserved;
>+	__u32 data_type;
>+	__u32 data_len;
>+	__aligned_u64 data_uptr;
> };
> #define IOMMU_HWPT_ALLOC _IO(IOMMUFD_TYPE,
>IOMMUFD_CMD_HWPT_ALLOC)
>
>+/**
>+ * enum iommu_hw_info_vtd_flags - Flags for VT-d hw_info
>+ * @IOMMU_HW_INFO_VTD_ERRATA_772415_SPR17: If set, disallow
>read-only mappings
>+ *                                         on a nested_parent domain.
>+ *
>https://www.intel.com/content/www/us/en/content-
>details/772415/content-details.html
>+ */
>+enum iommu_hw_info_vtd_flags {
>+	IOMMU_HW_INFO_VTD_ERRATA_772415_SPR17 = 1 << 0,
>+};
>+
> /**
>  * struct iommu_hw_info_vtd - Intel VT-d hardware information
>  *
>- * @flags: Must be 0
>+ * @flags: Combination of enum iommu_hw_info_vtd_flags
>  * @__reserved: Must be 0
>  *
>  * @cap_reg: Value of Intel VT-d capability register defined in VT-d spec
>@@ -393,15 +495,56 @@ struct iommu_hw_info_vtd {
> 	__aligned_u64 ecap_reg;
> };
>
>+/**
>+ * struct iommu_hw_info_arm_smmuv3 - ARM SMMUv3 hardware
>information
>+ *                                   (IOMMU_HW_INFO_TYPE_ARM_SMMUV3)
>+ *
>+ * @flags: Must be set to 0
>+ * @__reserved: Must be 0
>+ * @idr: Implemented features for ARM SMMU Non-secure programming
>interface
>+ * @iidr: Information about the implementation and implementer of ARM
>SMMU,
>+ *        and architecture version supported
>+ * @aidr: ARM SMMU architecture version
>+ *
>+ * For the details of @idr, @iidr and @aidr, please refer to the chapters
>+ * from 6.3.1 to 6.3.6 in the SMMUv3 Spec.
>+ *
>+ * User space should read the underlying ARM SMMUv3 hardware
>information for
>+ * the list of supported features.
>+ */
>+struct iommu_hw_info_arm_smmuv3 {
>+	__u32 flags;
>+	__u32 __reserved;
>+	__u32 idr[6];
>+	__u32 iidr;
>+	__u32 aidr;
>+};
>+
> /**
>  * enum iommu_hw_info_type - IOMMU Hardware Info Types
>  * @IOMMU_HW_INFO_TYPE_NONE: Used by the drivers that do not
>report hardware
>  *                           info
>  * @IOMMU_HW_INFO_TYPE_INTEL_VTD: Intel VT-d iommu info type
>+ * @IOMMU_HW_INFO_TYPE_ARM_SMMUV3: ARM SMMUv3 iommu info
>type
>  */
> enum iommu_hw_info_type {
> 	IOMMU_HW_INFO_TYPE_NONE,
> 	IOMMU_HW_INFO_TYPE_INTEL_VTD,
>+	IOMMU_HW_INFO_TYPE_ARM_SMMUV3,
>+};
>+
>+/**
>+ * enum iommufd_hw_capabilities
>+ * @IOMMU_HW_CAP_DIRTY_TRACKING: IOMMU hardware support for
>dirty tracking
>+ *                               If available, it means the following APIs
>+ *                               are supported:
>+ *
>+ *                                   IOMMU_HWPT_GET_DIRTY_BITMAP
>+ *                                   IOMMU_HWPT_SET_DIRTY_TRACKING
>+ *
>+ */
>+enum iommufd_hw_capabilities {
>+	IOMMU_HW_CAP_DIRTY_TRACKING = 1 << 0,
> };
>
> /**
>@@ -415,6 +558,8 @@ enum iommu_hw_info_type {
>  *             the iommu type specific hardware information data
>  * @out_data_type: Output the iommu hardware info type as defined in the
>enum
>  *                 iommu_hw_info_type.
>+ * @out_capabilities: Output the generic iommu capability info type as
>defined
>+ *                    in the enum iommu_hw_capabilities.
>  * @__reserved: Must be 0
>  *
>  * Query an iommu type specific hardware information data from an iommu
>behind
>@@ -439,6 +584,171 @@ struct iommu_hw_info {
> 	__aligned_u64 data_uptr;
> 	__u32 out_data_type;
> 	__u32 __reserved;
>+	__aligned_u64 out_capabilities;
> };
> #define IOMMU_GET_HW_INFO _IO(IOMMUFD_TYPE,
>IOMMUFD_CMD_GET_HW_INFO)
>+
>+/*
>+ * enum iommufd_hwpt_set_dirty_tracking_flags - Flags for steering dirty
>+ *                                              tracking
>+ * @IOMMU_HWPT_DIRTY_TRACKING_ENABLE: Enable dirty tracking
>+ */
>+enum iommufd_hwpt_set_dirty_tracking_flags {
>+	IOMMU_HWPT_DIRTY_TRACKING_ENABLE = 1,
>+};
>+
>+/**
>+ * struct iommu_hwpt_set_dirty_tracking -
>ioctl(IOMMU_HWPT_SET_DIRTY_TRACKING)
>+ * @size: sizeof(struct iommu_hwpt_set_dirty_tracking)
>+ * @flags: Combination of enum iommufd_hwpt_set_dirty_tracking_flags
>+ * @hwpt_id: HW pagetable ID that represents the IOMMU domain
>+ * @__reserved: Must be 0
>+ *
>+ * Toggle dirty tracking on an HW pagetable.
>+ */
>+struct iommu_hwpt_set_dirty_tracking {
>+	__u32 size;
>+	__u32 flags;
>+	__u32 hwpt_id;
>+	__u32 __reserved;
>+};
>+#define IOMMU_HWPT_SET_DIRTY_TRACKING _IO(IOMMUFD_TYPE, \
>+
>IOMMUFD_CMD_HWPT_SET_DIRTY_TRACKING)
>+
>+/**
>+ * enum iommufd_hwpt_get_dirty_bitmap_flags - Flags for getting dirty
>bits
>+ * @IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR: Just read the PTEs
>without clearing
>+ *                                        any dirty bits metadata. This flag
>+ *                                        can be passed in the expectation
>+ *                                        where the next operation is an unmap
>+ *                                        of the same IOVA range.
>+ *
>+ */
>+enum iommufd_hwpt_get_dirty_bitmap_flags {
>+	IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR = 1,
>+};
>+
>+/**
>+ * struct iommu_hwpt_get_dirty_bitmap -
>ioctl(IOMMU_HWPT_GET_DIRTY_BITMAP)
>+ * @size: sizeof(struct iommu_hwpt_get_dirty_bitmap)
>+ * @hwpt_id: HW pagetable ID that represents the IOMMU domain
>+ * @flags: Combination of enum iommufd_hwpt_get_dirty_bitmap_flags
>+ * @__reserved: Must be 0
>+ * @iova: base IOVA of the bitmap first bit
>+ * @length: IOVA range size
>+ * @page_size: page size granularity of each bit in the bitmap
>+ * @data: bitmap where to set the dirty bits. The bitmap bits each
>+ *        represent a page_size which you deviate from an arbitrary iova.
>+ *
>+ * Checking a given IOVA is dirty:
>+ *
>+ *  data[(iova / page_size) / 64] & (1ULL << ((iova / page_size) % 64))
>+ *
>+ * Walk the IOMMU pagetables for a given IOVA range to return a bitmap
>+ * with the dirty IOVAs. In doing so it will also by default clear any
>+ * dirty bit metadata set in the IOPTE.
>+ */
>+struct iommu_hwpt_get_dirty_bitmap {
>+	__u32 size;
>+	__u32 hwpt_id;
>+	__u32 flags;
>+	__u32 __reserved;
>+	__aligned_u64 iova;
>+	__aligned_u64 length;
>+	__aligned_u64 page_size;
>+	__aligned_u64 data;
>+};
>+#define IOMMU_HWPT_GET_DIRTY_BITMAP _IO(IOMMUFD_TYPE, \
>+
>	IOMMUFD_CMD_HWPT_GET_DIRTY_BITMAP)
>+
>+/**
>+ * enum iommu_hwpt_vtd_s1_invalidate_flags - Flags for Intel VT-d
>+ *                                           stage-1 cache invalidation
>+ * @IOMMU_VTD_INV_FLAGS_LEAF: The LEAF flag indicates whether only
>the
>+ *                            leaf PTE caching needs to be invalidated
>+ *                            and other paging structure caches can be
>+ *                            preserved.
>+ */
>+enum iommu_hwpt_vtd_s1_invalidate_flags {
>+	IOMMU_VTD_INV_FLAGS_LEAF = 1 << 0,
>+};
>+
>+/**
>+ * struct iommu_hwpt_vtd_s1_invalidate - Intel VT-d cache invalidation
>+ *                                       (IOMMU_HWPT_DATA_VTD_S1)
>+ * @addr: The start address of the addresses to be invalidated. It needs
>+ *        to be 4KB aligned.
>+ * @npages: Number of contiguous 4K pages to be invalidated.
>+ * @flags: Combination of enum iommu_hwpt_vtd_s1_invalidate_flags
>+ * @__reserved: Must be 0
>+ *
>+ * The Intel VT-d specific invalidation data for user-managed stage-1 cache
>+ * invalidation in nested translation. Userspace uses this structure to
>+ * tell the impacted cache scope after modifying the stage-1 page table.
>+ *
>+ * Invalidating all the caches related to the page table by setting @addr
>+ * to be 0 and @npages to be __aligned_u64(-1). This includes the
>+ * corresponding device-TLB if ATS is enabled on the attached devices.
>+ */
>+struct iommu_hwpt_vtd_s1_invalidate {
>+	__aligned_u64 addr;
>+	__aligned_u64 npages;
>+	__u32 flags;
>+	__u32 __reserved;
>+};
>+
>+/**
>+ * struct iommu_hwpt_arm_smmuv3_invalidate - ARM SMMUv3 cahce
>invalidation
>+ *                                           (IOMMU_HWPT_DATA_ARM_SMMUV3)
>+ * @cmd: 128-bit cache invalidation command that runs in SMMU CMDQ.
>+ *       Must be little-endian.
>+ *
>+ * Supported command list:
>+ *     CMDQ_OP_TLBI_NSNH_ALL
>+ *     CMDQ_OP_TLBI_NH_VA
>+ *     CMDQ_OP_TLBI_NH_VAA
>+ *     CMDQ_OP_TLBI_NH_ALL
>+ *     CMDQ_OP_TLBI_NH_ASID
>+ *     CMDQ_OP_ATC_INV
>+ *     CMDQ_OP_CFGI_CD
>+ *     CMDQ_OP_CFGI_CD_ALL
>+ */
>+struct iommu_hwpt_arm_smmuv3_invalidate {
>+	__aligned_u64 cmd[2];
>+};
>+
>+/**
>+ * struct iommu_hwpt_invalidate - ioctl(IOMMU_HWPT_INVALIDATE)
>+ * @size: sizeof(struct iommu_hwpt_invalidate)
>+ * @hwpt_id: HWPT ID of a nested HWPT for cache invalidation
>+ * @reqs_uptr: User pointer to an array having @req_num of cache
>invalidation
>+ *             requests. The request entries in the array are of fixed width
>+ *             @req_len, and contain a user data structure for invalidation
>+ *             request specific to the given hardware page table.
>+ * @req_type: One of enum iommu_hwpt_data_type, defining the data
>type of all
>+ *            the entries in the invalidation request array. It should suit
>+ *            with the data_type passed per the allocation of the hwpt pointed
>+ *            by @hwpt_id.
>+ * @req_len: Length (in bytes) of a request entry in the request array
>+ * @req_num: Input the number of cache invalidation requests in the array.
>+ *           Output the number of requests successfully handled by kernel.
>+ * @out_driver_error_code: Report a driver speicifc error code upon failure.
>+ *                         It's optional, driver has a choice to fill it or
>+ *                         not.
>+ *
>+ * Invalidate the iommu cache for user-managed page table. Modifications
>on a
>+ * user-managed page table should be followed by this operation to sync
>cache.
>+ * Each ioctl can support one or more cache invalidation requests in the
>array
>+ * that has a total size of @req_len * @req_num.
>+ */
>+struct iommu_hwpt_invalidate {
>+	__u32 size;
>+	__u32 hwpt_id;
>+	__aligned_u64 reqs_uptr;
>+	__u32 req_type;
>+	__u32 req_len;
>+	__u32 req_num;
>+	__u32 out_driver_error_code;
>+};
>+#define IOMMU_HWPT_INVALIDATE _IO(IOMMUFD_TYPE,
>IOMMUFD_CMD_HWPT_INVALIDATE)
> #endif
>diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
>index 0d74ee999a..549fea3a97 100644
>--- a/linux-headers/linux/kvm.h
>+++ b/linux-headers/linux/kvm.h
>@@ -264,6 +264,7 @@ struct kvm_xen_exit {
> #define KVM_EXIT_RISCV_SBI        35
> #define KVM_EXIT_RISCV_CSR        36
> #define KVM_EXIT_NOTIFY           37
>+#define KVM_EXIT_LOONGARCH_IOCSR  38
>
> /* For KVM_EXIT_INTERNAL_ERROR */
> /* Emulate instruction failed. */
>@@ -336,6 +337,13 @@ struct kvm_run {
> 			__u32 len;
> 			__u8  is_write;
> 		} mmio;
>+		/* KVM_EXIT_LOONGARCH_IOCSR */
>+		struct {
>+			__u64 phys_addr;
>+			__u8  data[8];
>+			__u32 len;
>+			__u8  is_write;
>+		} iocsr_io;
> 		/* KVM_EXIT_HYPERCALL */
> 		struct {
> 			__u64 nr;
>@@ -1188,6 +1196,7 @@ struct kvm_ppc_resize_hpt {
> #define KVM_CAP_COUNTER_OFFSET 227
> #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
> #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
>+#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
>
> #ifdef KVM_CAP_IRQ_ROUTING
>
>@@ -1358,6 +1367,7 @@ struct kvm_dirty_tlb {
> #define KVM_REG_ARM64		0x6000000000000000ULL
> #define KVM_REG_MIPS		0x7000000000000000ULL
> #define KVM_REG_RISCV		0x8000000000000000ULL
>+#define KVM_REG_LOONGARCH	0x9000000000000000ULL
>
> #define KVM_REG_SIZE_SHIFT	52
> #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
>@@ -1558,6 +1568,7 @@ struct kvm_s390_ucas_mapping {
> #define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct
>kvm_arm_copy_mte_tags)
> /* Available with KVM_CAP_COUNTER_OFFSET */
> #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct
>kvm_arm_counter_offset)
>+#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6,
>struct reg_mask_range)
>
> /* ioctl for vm fd */
> #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct
>kvm_create_device)
>diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h
>index 12ccb70099..bcb21339ee 100644
>--- a/linux-headers/linux/psp-sev.h
>+++ b/linux-headers/linux/psp-sev.h
>@@ -68,6 +68,7 @@ typedef enum {
> 	SEV_RET_INVALID_PARAM,
> 	SEV_RET_RESOURCE_LIMIT,
> 	SEV_RET_SECURE_DATA_INVALID,
>+	SEV_RET_INVALID_KEY = 0x27,
> 	SEV_RET_MAX,
> } sev_ret_code;
>
>diff --git a/linux-headers/linux/stddef.h b/linux-headers/linux/stddef.h
>index 9bb07083ac..b3d4a9c170 100644
>--- a/linux-headers/linux/stddef.h
>+++ b/linux-headers/linux/stddef.h
>@@ -29,6 +29,11 @@
> 		struct TAG { MEMBERS } ATTRS NAME; \
> 	}
>
>+#ifdef __cplusplus
>+/* sizeof(struct{}) is 1 in C++, not 0, can't use C version of the macro. */
>+#define __DECLARE_FLEX_ARRAY(T, member)	\
>+	T member[0]
>+#else
> /**
>  * __DECLARE_FLEX_ARRAY() - Declare a flexible array usable in a union
>  *
>@@ -49,3 +54,5 @@
> #ifndef __counted_by
> #define __counted_by(m)
> #endif
>+
>+#endif /* _LINUX_STDDEF_H */
>diff --git a/linux-headers/linux/userfaultfd.h b/linux-
>headers/linux/userfaultfd.h
>index 59978fbaae..953c75feda 100644
>--- a/linux-headers/linux/userfaultfd.h
>+++ b/linux-headers/linux/userfaultfd.h
>@@ -40,7 +40,8 @@
> 			   UFFD_FEATURE_EXACT_ADDRESS |		\
> 			   UFFD_FEATURE_WP_HUGETLBFS_SHMEM |	\
> 			   UFFD_FEATURE_WP_UNPOPULATED |	\
>-			   UFFD_FEATURE_POISON)
>+			   UFFD_FEATURE_POISON |		\
>+			   UFFD_FEATURE_WP_ASYNC)
> #define UFFD_API_IOCTLS				\
> 	((__u64)1 << _UFFDIO_REGISTER |		\
> 	 (__u64)1 << _UFFDIO_UNREGISTER |	\
>@@ -216,6 +217,11 @@ struct uffdio_api {
> 	 * (i.e. empty ptes).  This will be the default behavior for shmem
> 	 * & hugetlbfs, so this flag only affects anonymous memory behavior
> 	 * when userfault write-protection mode is registered.
>+	 *
>+	 * UFFD_FEATURE_WP_ASYNC indicates that userfaultfd write-
>protection
>+	 * asynchronous mode is supported in which the write fault is
>+	 * automatically resolved and write-protection is un-set.
>+	 * It implies UFFD_FEATURE_WP_UNPOPULATED.
> 	 */
> #define UFFD_FEATURE_PAGEFAULT_FLAG_WP		(1<<0)
> #define UFFD_FEATURE_EVENT_FORK			(1<<1)
>@@ -232,6 +238,7 @@ struct uffdio_api {
> #define UFFD_FEATURE_WP_HUGETLBFS_SHMEM		(1<<12)
> #define UFFD_FEATURE_WP_UNPOPULATED		(1<<13)
> #define UFFD_FEATURE_POISON			(1<<14)
>+#define UFFD_FEATURE_WP_ASYNC			(1<<15)
> 	__u64 features;
>
> 	__u64 ioctls;
>diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
>index acf72b4999..c16b7bb6e8 100644
>--- a/linux-headers/linux/vfio.h
>+++ b/linux-headers/linux/vfio.h
>@@ -35,7 +35,7 @@
> #define VFIO_EEH			5
>
> /* Two-stage IOMMU */
>-#define VFIO_TYPE1_NESTING_IOMMU	6	/* Implies v2 */
>+#define __VFIO_RESERVED_TYPE1_NESTING_IOMMU	6	/*
>Implies v2 */
>
> #define VFIO_SPAPR_TCE_v2_IOMMU		7
>
>@@ -277,8 +277,8 @@ struct vfio_region_info {
> #define VFIO_REGION_INFO_FLAG_CAPS	(1 << 3) /* Info supports caps
>*/
> 	__u32	index;		/* Region index */
> 	__u32	cap_offset;	/* Offset within info struct of first cap */
>-	__u64	size;		/* Region size (bytes) */
>-	__u64	offset;		/* Region offset from start of device fd */
>+	__aligned_u64	size;	/* Region size (bytes) */
>+	__aligned_u64	offset;	/* Region offset from start of device fd */
> };
> #define VFIO_DEVICE_GET_REGION_INFO	_IO(VFIO_TYPE, VFIO_BASE +
>8)
>
>@@ -294,8 +294,8 @@ struct vfio_region_info {
> #define VFIO_REGION_INFO_CAP_SPARSE_MMAP	1
>
> struct vfio_region_sparse_mmap_area {
>-	__u64	offset;	/* Offset of mmap'able area within region */
>-	__u64	size;	/* Size of mmap'able area */
>+	__aligned_u64	offset;	/* Offset of mmap'able area within region */
>+	__aligned_u64	size;	/* Size of mmap'able area */
> };
>
> struct vfio_region_info_cap_sparse_mmap {
>@@ -450,9 +450,9 @@ struct vfio_device_migration_info {
>
>VFIO_DEVICE_STATE_V1_RESUMING)
>
> 	__u32 reserved;
>-	__u64 pending_bytes;
>-	__u64 data_offset;
>-	__u64 data_size;
>+	__aligned_u64 pending_bytes;
>+	__aligned_u64 data_offset;
>+	__aligned_u64 data_size;
> };
>
> /*
>@@ -476,7 +476,7 @@ struct vfio_device_migration_info {
>
> struct vfio_region_info_cap_nvlink2_ssatgt {
> 	struct vfio_info_cap_header header;
>-	__u64 tgt;
>+	__aligned_u64 tgt;
> };
>
> /*
>@@ -816,7 +816,7 @@ struct vfio_device_gfx_plane_info {
> 	__u32 drm_plane_type;	/* type of plane:
>DRM_PLANE_TYPE_* */
> 	/* out */
> 	__u32 drm_format;	/* drm format of plane */
>-	__u64 drm_format_mod;   /* tiled mode */
>+	__aligned_u64 drm_format_mod;   /* tiled mode */
> 	__u32 width;	/* width of plane */
> 	__u32 height;	/* height of plane */
> 	__u32 stride;	/* stride of plane */
>@@ -829,6 +829,7 @@ struct vfio_device_gfx_plane_info {
> 		__u32 region_index;	/* region index */
> 		__u32 dmabuf_id;	/* dma-buf id */
> 	};
>+	__u32 reserved;
> };
>
> #define VFIO_DEVICE_QUERY_GFX_PLANE _IO(VFIO_TYPE, VFIO_BASE + 14)
>@@ -863,9 +864,10 @@ struct vfio_device_ioeventfd {
> #define VFIO_DEVICE_IOEVENTFD_32	(1 << 2) /* 4-byte write */
> #define VFIO_DEVICE_IOEVENTFD_64	(1 << 3) /* 8-byte write */
> #define VFIO_DEVICE_IOEVENTFD_SIZE_MASK	(0xf)
>-	__u64	offset;			/* device fd offset of write */
>-	__u64	data;			/* data to be written */
>+	__aligned_u64	offset;		/* device fd offset of write */
>+	__aligned_u64	data;		/* data to be written */
> 	__s32	fd;			/* -1 for de-assignment */
>+	__u32	reserved;
> };
>
> #define VFIO_DEVICE_IOEVENTFD		_IO(VFIO_TYPE, VFIO_BASE +
>16)
>@@ -1434,6 +1436,27 @@ struct vfio_device_feature_mig_data_size {
>
> #define VFIO_DEVICE_FEATURE_MIG_DATA_SIZE 9
>
>+/**
>+ * Upon VFIO_DEVICE_FEATURE_SET, set or clear the BUS mastering for the
>device
>+ * based on the operation specified in op flag.
>+ *
>+ * The functionality is incorporated for devices that needs bus master
>control,
>+ * but the in-band device interface lacks the support. Consequently, it is not
>+ * applicable to PCI devices, as bus master control for PCI devices is
>managed
>+ * in-band through the configuration space. At present, this feature is
>supported
>+ * only for CDX devices.
>+ * When the device's BUS MASTER setting is configured as CLEAR, it will
>result in
>+ * blocking all incoming DMA requests from the device. On the other hand,
>configuring
>+ * the device's BUS MASTER setting as SET (enable) will grant the device the
>+ * capability to perform DMA to the host memory.
>+ */
>+struct vfio_device_feature_bus_master {
>+	__u32 op;
>+#define		VFIO_DEVICE_FEATURE_CLEAR_MASTER	0
>	/* Clear Bus Master */
>+#define		VFIO_DEVICE_FEATURE_SET_MASTER		1
>	/* Set Bus Master */
>+};
>+#define VFIO_DEVICE_FEATURE_BUS_MASTER 10
>+
> /* -------- API for Type1 VFIO IOMMU -------- */
>
> /**
>@@ -1449,7 +1472,7 @@ struct vfio_iommu_type1_info {
> 	__u32	flags;
> #define VFIO_IOMMU_INFO_PGSIZES (1 << 0)	/* supported page
>sizes info */
> #define VFIO_IOMMU_INFO_CAPS	(1 << 1)	/* Info supports caps
>*/
>-	__u64	iova_pgsizes;	/* Bitmap of supported page sizes */
>+	__aligned_u64	iova_pgsizes;		/* Bitmap of supported page
>sizes */
> 	__u32   cap_offset;	/* Offset within info struct of first cap */
> 	__u32   pad;
> };
>diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
>index f5c48b61ab..649560c685 100644
>--- a/linux-headers/linux/vhost.h
>+++ b/linux-headers/linux/vhost.h
>@@ -219,4 +219,12 @@
>  */
> #define VHOST_VDPA_RESUME		_IO(VHOST_VIRTIO, 0x7E)
>
>+/* Get the group for the descriptor table including driver & device areas
>+ * of a virtqueue: read index, write group in num.
>+ * The virtqueue index is stored in the index field of vhost_vring_state.
>+ * The group ID of the descriptor table for this specific virtqueue
>+ * is returned via num field of vhost_vring_state.
>+ */
>+#define VHOST_VDPA_GET_VRING_DESC_GROUP	_IOWR(VHOST_VIRTIO,
>0x7F,	\
>+					      struct vhost_vring_state)
> #endif
>--
>2.34.1






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