Update linux headers to 5.11-rc2

Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20210104202057.48048-3-farman@linux.ibm.com>
[CH: dropped qatomic->atomic changes in pvrdma_ring.h]
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

17 files changed, 84 insertions, 6 deletions

diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
index a72de1ae4c..b6a0eaa32a 100644
--- a/linux-headers/asm-arm64/kvm.h
+++ b/linux-headers/asm-arm64/kvm.h
@@ -156,9 +156,6 @@ struct kvm_sync_regs {
 	__u64 device_irq_level;
 };
 
-struct kvm_arch_memory_slot {
-};
-
 /*
  * PMU filter structure. Describe a range of events with a particular
  * action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER.
diff --git a/linux-headers/asm-generic/unistd.h b/linux-headers/asm-generic/unistd.h
index 2056318988..7287529177 100644
--- a/linux-headers/asm-generic/unistd.h
+++ b/linux-headers/asm-generic/unistd.h
@@ -517,7 +517,7 @@ __SC_COMP(__NR_settimeofday, sys_settimeofday, compat_sys_settimeofday)
 __SC_3264(__NR_adjtimex, sys_adjtimex_time32, sys_adjtimex)
 #endif
 
-/* kernel/timer.c */
+/* kernel/sys.c */
 #define __NR_getpid 172
 __SYSCALL(__NR_getpid, sys_getpid)
 #define __NR_getppid 173
@@ -859,9 +859,11 @@ __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
 __SYSCALL(__NR_faccessat2, sys_faccessat2)
 #define __NR_process_madvise 440
 __SYSCALL(__NR_process_madvise, sys_process_madvise)
+#define __NR_epoll_pwait2 441
+__SC_COMP(__NR_epoll_pwait2, sys_epoll_pwait2, compat_sys_epoll_pwait2)
 
 #undef __NR_syscalls
-#define __NR_syscalls 441
+#define __NR_syscalls 442
 
 /*
  * 32 bit systems traditionally used different
diff --git a/linux-headers/asm-mips/unistd_n32.h b/linux-headers/asm-mips/unistd_n32.h
index aba284d190..59e53b6e07 100644
--- a/linux-headers/asm-mips/unistd_n32.h
+++ b/linux-headers/asm-mips/unistd_n32.h
@@ -370,6 +370,7 @@
 #define __NR_pidfd_getfd	(__NR_Linux + 438)
 #define __NR_faccessat2	(__NR_Linux + 439)
 #define __NR_process_madvise	(__NR_Linux + 440)
+#define __NR_epoll_pwait2	(__NR_Linux + 441)
 
 
 #endif /* _ASM_MIPS_UNISTD_N32_H */
diff --git a/linux-headers/asm-mips/unistd_n64.h b/linux-headers/asm-mips/unistd_n64.h
index 0465ab94db..683558a7f8 100644
--- a/linux-headers/asm-mips/unistd_n64.h
+++ b/linux-headers/asm-mips/unistd_n64.h
@@ -346,6 +346,7 @@
 #define __NR_pidfd_getfd	(__NR_Linux + 438)
 #define __NR_faccessat2	(__NR_Linux + 439)
 #define __NR_process_madvise	(__NR_Linux + 440)
+#define __NR_epoll_pwait2	(__NR_Linux + 441)
 
 
 #endif /* _ASM_MIPS_UNISTD_N64_H */
diff --git a/linux-headers/asm-mips/unistd_o32.h b/linux-headers/asm-mips/unistd_o32.h
index 5222a0dd50..ca6a7e5c0b 100644
--- a/linux-headers/asm-mips/unistd_o32.h
+++ b/linux-headers/asm-mips/unistd_o32.h
@@ -416,6 +416,7 @@
 #define __NR_pidfd_getfd	(__NR_Linux + 438)
 #define __NR_faccessat2	(__NR_Linux + 439)
 #define __NR_process_madvise	(__NR_Linux + 440)
+#define __NR_epoll_pwait2	(__NR_Linux + 441)
 
 
 #endif /* _ASM_MIPS_UNISTD_O32_H */
diff --git a/linux-headers/asm-powerpc/unistd_32.h b/linux-headers/asm-powerpc/unistd_32.h
index 21066a3d5f..4624c90043 100644
--- a/linux-headers/asm-powerpc/unistd_32.h
+++ b/linux-headers/asm-powerpc/unistd_32.h
@@ -423,6 +423,7 @@
 #define __NR_pidfd_getfd	438
 #define __NR_faccessat2	439
 #define __NR_process_madvise	440
+#define __NR_epoll_pwait2	441
 
 
 #endif /* _ASM_POWERPC_UNISTD_32_H */
diff --git a/linux-headers/asm-powerpc/unistd_64.h b/linux-headers/asm-powerpc/unistd_64.h
index c153da29f2..7e851b30bb 100644
--- a/linux-headers/asm-powerpc/unistd_64.h
+++ b/linux-headers/asm-powerpc/unistd_64.h
@@ -395,6 +395,7 @@
 #define __NR_pidfd_getfd	438
 #define __NR_faccessat2	439
 #define __NR_process_madvise	440
+#define __NR_epoll_pwait2	441
 
 
 #endif /* _ASM_POWERPC_UNISTD_64_H */
diff --git a/linux-headers/asm-s390/unistd_32.h b/linux-headers/asm-s390/unistd_32.h
index 3b4f2dda60..c94d2c3a22 100644
--- a/linux-headers/asm-s390/unistd_32.h
+++ b/linux-headers/asm-s390/unistd_32.h
@@ -413,5 +413,6 @@
 #define __NR_pidfd_getfd 438
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
+#define __NR_epoll_pwait2 441
 
 #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 030a51fa38..984a06b7eb 100644
--- a/linux-headers/asm-s390/unistd_64.h
+++ b/linux-headers/asm-s390/unistd_64.h
@@ -361,5 +361,6 @@
 #define __NR_pidfd_getfd 438
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
+#define __NR_epoll_pwait2 441
 
 #endif /* _ASM_S390_UNISTD_64_H */
diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 89e5f3d1bb..8e76d3701d 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -12,6 +12,7 @@
 
 #define KVM_PIO_PAGE_OFFSET 1
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2
+#define KVM_DIRTY_LOG_PAGE_OFFSET 64
 
 #define DE_VECTOR 0
 #define DB_VECTOR 1
diff --git a/linux-headers/asm-x86/unistd_32.h b/linux-headers/asm-x86/unistd_32.h
index cfba368f9d..18fb99dfa2 100644
--- a/linux-headers/asm-x86/unistd_32.h
+++ b/linux-headers/asm-x86/unistd_32.h
@@ -431,6 +431,7 @@
 #define __NR_pidfd_getfd 438
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
+#define __NR_epoll_pwait2 441
 
 
 #endif /* _ASM_X86_UNISTD_32_H */
diff --git a/linux-headers/asm-x86/unistd_64.h b/linux-headers/asm-x86/unistd_64.h
index 61af725095..bde959328d 100644
--- a/linux-headers/asm-x86/unistd_64.h
+++ b/linux-headers/asm-x86/unistd_64.h
@@ -353,6 +353,7 @@
 #define __NR_pidfd_getfd 438
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
+#define __NR_epoll_pwait2 441
 
 
 #endif /* _ASM_X86_UNISTD_64_H */
diff --git a/linux-headers/asm-x86/unistd_x32.h b/linux-headers/asm-x86/unistd_x32.h
index a6890cb1f5..4ff6b17d3b 100644
--- a/linux-headers/asm-x86/unistd_x32.h
+++ b/linux-headers/asm-x86/unistd_x32.h
@@ -306,6 +306,7 @@
 #define __NR_pidfd_getfd (__X32_SYSCALL_BIT + 438)
 #define __NR_faccessat2 (__X32_SYSCALL_BIT + 439)
 #define __NR_process_madvise (__X32_SYSCALL_BIT + 440)
+#define __NR_epoll_pwait2 (__X32_SYSCALL_BIT + 441)
 #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/kvm.h b/linux-headers/linux/kvm.h
index 56ce14ad20..020b62a619 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -250,6 +250,7 @@ struct kvm_hyperv_exit {
 #define KVM_EXIT_ARM_NISV         28
 #define KVM_EXIT_X86_RDMSR        29
 #define KVM_EXIT_X86_WRMSR        30
+#define KVM_EXIT_DIRTY_RING_FULL  31
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 /* Emulate instruction failed. */
@@ -1053,6 +1054,8 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_X86_USER_SPACE_MSR 188
 #define KVM_CAP_X86_MSR_FILTER 189
 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
+#define KVM_CAP_SYS_HYPERV_CPUID 191
+#define KVM_CAP_DIRTY_LOG_RING 192
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -1511,7 +1514,7 @@ struct kvm_enc_region {
 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
 
-/* Available with KVM_CAP_HYPERV_CPUID */
+/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
 
 /* Available with KVM_CAP_ARM_SVE */
@@ -1557,6 +1560,9 @@ struct kvm_pv_cmd {
 /* Available with KVM_CAP_X86_MSR_FILTER */
 #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
 
+/* Available with KVM_CAP_DIRTY_LOG_RING */
+#define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
+
 /* Secure Encrypted Virtualization command */
 enum sev_cmd_id {
 	/* Guest initialization commands */
@@ -1710,4 +1716,52 @@ struct kvm_hyperv_eventfd {
 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
 
+/*
+ * Arch needs to define the macro after implementing the dirty ring
+ * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
+ * starting page offset of the dirty ring structures.
+ */
+#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
+#define KVM_DIRTY_LOG_PAGE_OFFSET 0
+#endif
+
+/*
+ * KVM dirty GFN flags, defined as:
+ *
+ * |---------------+---------------+--------------|
+ * | bit 1 (reset) | bit 0 (dirty) | Status       |
+ * |---------------+---------------+--------------|
+ * |             0 |             0 | Invalid GFN  |
+ * |             0 |             1 | Dirty GFN    |
+ * |             1 |             X | GFN to reset |
+ * |---------------+---------------+--------------|
+ *
+ * Lifecycle of a dirty GFN goes like:
+ *
+ *      dirtied         harvested        reset
+ * 00 -----------> 01 -------------> 1X -------+
+ *  ^                                          |
+ *  |                                          |
+ *  +------------------------------------------+
+ *
+ * The userspace program is only responsible for the 01->1X state
+ * conversion after harvesting an entry.  Also, it must not skip any
+ * dirty bits, so that dirty bits are always harvested in sequence.
+ */
+#define KVM_DIRTY_GFN_F_DIRTY           BIT(0)
+#define KVM_DIRTY_GFN_F_RESET           BIT(1)
+#define KVM_DIRTY_GFN_F_MASK            0x3
+
+/*
+ * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
+ * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
+ * size of the gfn buffer is decided by the first argument when
+ * enabling KVM_CAP_DIRTY_LOG_RING.
+ */
+struct kvm_dirty_gfn {
+	__u32 flags;
+	__u32 slot;
+	__u64 offset;
+};
+
 #endif /* __LINUX_KVM_H */
diff --git a/linux-headers/linux/userfaultfd.h b/linux-headers/linux/userfaultfd.h
index 8d3996eb82..1ba9a9feeb 100644
--- a/linux-headers/linux/userfaultfd.h
+++ b/linux-headers/linux/userfaultfd.h
@@ -257,4 +257,13 @@ struct uffdio_writeprotect {
 	__u64 mode;
 };
 
+/*
+ * Flags for the userfaultfd(2) system call itself.
+ */
+
+/*
+ * Create a userfaultfd that can handle page faults only in user mode.
+ */
+#define UFFD_USER_MODE_ONLY 1
+
 #endif /* _LINUX_USERFAULTFD_H */
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index b92dcc4daf..609099e455 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -820,6 +820,7 @@ enum {
 enum {
 	VFIO_CCW_IO_IRQ_INDEX,
 	VFIO_CCW_CRW_IRQ_INDEX,
+	VFIO_CCW_REQ_IRQ_INDEX,
 	VFIO_CCW_NUM_IRQS
 };
 
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index 7523218532..c998860d7b 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -146,4 +146,8 @@
 
 /* Set event fd for config interrupt*/
 #define VHOST_VDPA_SET_CONFIG_CALL	_IOW(VHOST_VIRTIO, 0x77, int)
+
+/* Get the valid iova range */
+#define VHOST_VDPA_GET_IOVA_RANGE	_IOR(VHOST_VIRTIO, 0x78, \
+					     struct vhost_vdpa_iova_range)
 #endif