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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2023-09-13 07:52:43 -0400 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2023-09-13 07:52:43 -0400 |
| commit | 9a8af699677cdf58e92ff43f38ea74bbe9d37ab0 (patch) | |
| tree | 8a4c57b097425bc1f17956fecc098914d5267a71 /linux-headers/linux/userfaultfd.h | |
| parent | 7754c97179a40c563935b7610aa3146291abefcc (diff) | |
| parent | 82fdcd3e140c8d4c63f177ece554f90f2bccdf68 (diff) | |
| download | focaccia-qemu-9a8af699677cdf58e92ff43f38ea74bbe9d37ab0.tar.gz focaccia-qemu-9a8af699677cdf58e92ff43f38ea74bbe9d37ab0.zip | |
Merge tag 'pull-request-2023-09-12' of https://gitlab.com/thuth/qemu into staging
* Enable AP (crypto adapter) instructions for s390x PV-guests * Allow NVME for s390x machines * Update Linux headers to v6.6-rc1 # -----BEGIN PGP SIGNATURE----- # # iQJFBAABCAAvFiEEJ7iIR+7gJQEY8+q5LtnXdP5wLbUFAmUATY8RHHRodXRoQHJl # ZGhhdC5jb20ACgkQLtnXdP5wLbVjBhAAlfXhQuxFdSRkPLyPgSuAInGTZfsW7A56 # 6vunyzP3ZyY5G0WtbgKZ5ovDIfjzlNYvkxWmQ4m4PWEY2JaBKOqeS9+lFkdZmGD9 # Sj1u+EereQS5MsJ31Vg2LHDKv5QbtNbVOq4KIm30qpzj1OfhfZzzqU0tGnaDlz/T # PW2bSQl4cGHExcYpprWx02cXsMnodWwGV2FTgtc9D42YyE1q5IDX8phjFFzUHfcQ # p3cjM0S2M8KOGJ5+0w2/0C4DEKgLH0OuA/JY3W+f94O+jdqoYUJpom4m6FywIKrr # 38c7UqQESh7r/te1UkgvxfVCbTlptsS21xQNbsa+TS/apP6IMU7VJI3N14Qshtba # cqcP54aGC+9v5FRz7E5njCJWJQv9JWInrKYTEEtSTFCguGCQO2owulba70MNrQc8 # hQkBXOzqnqYVxdktcHkbnq6QZoKLfsGAxfarQPPJySNUyGgoaM0JFlzp3z0hjAHY # aGRZdN4kU+hF7/0RQygYDN4AzTQhn3EMZ6q6o81xVeKzfbziA3fCLXX5J1bd+rO8 # 3LKPrmOuk3dadRVlVTyFrtlG9SEMRen8dh12oru28ebW2WTeYm71zQf7SCPGzaKE # hJMtlN7B9ogGxDpLJvTDLHbKNbwyIcW00GjyWiUwBg88ACg63tulD2kpUxBs2PwF # bVk/lIWMqL0= # =zeRZ # -----END PGP SIGNATURE----- # gpg: Signature made Tue 12 Sep 2023 07:37:51 EDT # gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5 # gpg: issuer "thuth@redhat.com" # gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full] # gpg: aka "Thomas Huth <thuth@redhat.com>" [full] # gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full] # gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown] # Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5 * tag 'pull-request-2023-09-12' of https://gitlab.com/thuth/qemu: tests/qtest/pflash: Clean up local variable shadowing kconfig: Add NVME to s390x machines target/s390x: AP-passthrough for PV guests target/s390x/kvm: Refactor AP functionalities linux-headers: Update to Linux v6.6-rc1 s390x: do a subsystem reset before the unprotect on reboot s390x/ap: fix missing subsystem reset registration Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'linux-headers/linux/userfaultfd.h')
| -rw-r--r-- | linux-headers/linux/userfaultfd.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/linux-headers/linux/userfaultfd.h b/linux-headers/linux/userfaultfd.h index 14e402263a..59978fbaae 100644 --- a/linux-headers/linux/userfaultfd.h +++ b/linux-headers/linux/userfaultfd.h @@ -39,7 +39,8 @@ UFFD_FEATURE_MINOR_SHMEM | \ UFFD_FEATURE_EXACT_ADDRESS | \ UFFD_FEATURE_WP_HUGETLBFS_SHMEM | \ - UFFD_FEATURE_WP_UNPOPULATED) + UFFD_FEATURE_WP_UNPOPULATED | \ + UFFD_FEATURE_POISON) #define UFFD_API_IOCTLS \ ((__u64)1 << _UFFDIO_REGISTER | \ (__u64)1 << _UFFDIO_UNREGISTER | \ @@ -49,12 +50,14 @@ (__u64)1 << _UFFDIO_COPY | \ (__u64)1 << _UFFDIO_ZEROPAGE | \ (__u64)1 << _UFFDIO_WRITEPROTECT | \ - (__u64)1 << _UFFDIO_CONTINUE) + (__u64)1 << _UFFDIO_CONTINUE | \ + (__u64)1 << _UFFDIO_POISON) #define UFFD_API_RANGE_IOCTLS_BASIC \ ((__u64)1 << _UFFDIO_WAKE | \ (__u64)1 << _UFFDIO_COPY | \ + (__u64)1 << _UFFDIO_WRITEPROTECT | \ (__u64)1 << _UFFDIO_CONTINUE | \ - (__u64)1 << _UFFDIO_WRITEPROTECT) + (__u64)1 << _UFFDIO_POISON) /* * Valid ioctl command number range with this API is from 0x00 to @@ -71,6 +74,7 @@ #define _UFFDIO_ZEROPAGE (0x04) #define _UFFDIO_WRITEPROTECT (0x06) #define _UFFDIO_CONTINUE (0x07) +#define _UFFDIO_POISON (0x08) #define _UFFDIO_API (0x3F) /* userfaultfd ioctl ids */ @@ -91,6 +95,8 @@ struct uffdio_writeprotect) #define UFFDIO_CONTINUE _IOWR(UFFDIO, _UFFDIO_CONTINUE, \ struct uffdio_continue) +#define UFFDIO_POISON _IOWR(UFFDIO, _UFFDIO_POISON, \ + struct uffdio_poison) /* read() structure */ struct uffd_msg { @@ -225,6 +231,7 @@ struct uffdio_api { #define UFFD_FEATURE_EXACT_ADDRESS (1<<11) #define UFFD_FEATURE_WP_HUGETLBFS_SHMEM (1<<12) #define UFFD_FEATURE_WP_UNPOPULATED (1<<13) +#define UFFD_FEATURE_POISON (1<<14) __u64 features; __u64 ioctls; @@ -321,6 +328,18 @@ struct uffdio_continue { __s64 mapped; }; +struct uffdio_poison { + struct uffdio_range range; +#define UFFDIO_POISON_MODE_DONTWAKE ((__u64)1<<0) + __u64 mode; + + /* + * Fields below here are written by the ioctl and must be at the end: + * the copy_from_user will not read past here. + */ + __s64 updated; +}; + /* * Flags for the userfaultfd(2) system call itself. */ |