From: "Jan Beulich" <JBeulich@suse.com> To: "Boris Ostrovsky" <boris.ostrovsky@oracle.com>, "Juergen Gross" <jgross@suse.com>, <viro@zeniv.linux.org.uk> Cc: "xen-devel" <xen-devel@lists.xenproject.org>, <linux-fsdevel@vger.kernel.org> Subject: [PATCH RESEND] compat-ioctl/Xen: support at least some IOCTLs of evtchn and privcmd Date: Wed, 15 Aug 2018 00:19:00 -0600 [thread overview] Message-ID: <5B73C5D402000078001DE189@prv1-mh.provo.novell.com> (raw) In-Reply-To: 5B30C6E202000078001CD724@prv1-mh.provo.novell.com While this is only a start (IOCTL_PRIVCMD_MMAP* and IOCTL_PRIVCMD_DM_OP require more work), it at least allows some simple operations (like "xl dmesg") which have always been available on XenoLinux to work again with a 64-bit kernel underneath a 32-bit distro. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Juergen Gross <jgross@suse.com> --- Resend due to prior omission of file system related addressees. --- fs/compat_ioctl.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) --- 4.18/fs/compat_ioctl.c +++ 4.18-xen-privcmd-compat-ioctls/fs/compat_ioctl.c @@ -115,6 +115,12 @@ #include <asm/fbio.h> #endif +#ifdef CONFIG_XEN +#include <xen/interface/xen.h> +#include <xen/evtchn.h> +#include <xen/privcmd.h> +#endif + #define convert_in_user(srcptr, dstptr) \ ({ \ typeof(*srcptr) val; \ @@ -1300,6 +1306,17 @@ IGNORE_IOCTL(FBIOGETCMAP32) IGNORE_IOCTL(FBIOSCURSOR32) IGNORE_IOCTL(FBIOGCURSOR32) #endif + +#ifdef CONFIG_XEN +COMPATIBLE_IOCTL(IOCTL_PRIVCMD_HYPERCALL) +COMPATIBLE_IOCTL(IOCTL_PRIVCMD_RESTRICT) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_VIRQ) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_INTERDOMAIN) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_UNBOUND_PORT) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_UNBIND) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_NOTIFY) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_RESET) +#endif }; /*
WARNING: multiple messages have this Message-ID (diff)
From: "Jan Beulich" <JBeulich@suse.com> To: Boris Ostrovsky <boris.ostrovsky@oracle.com>, Juergen Gross <jgross@suse.com>, viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, xen-devel <xen-devel@lists.xenproject.org> Subject: [PATCH RESEND] compat-ioctl/Xen: support at least some IOCTLs of evtchn and privcmd Date: Wed, 15 Aug 2018 00:19:00 -0600 [thread overview] Message-ID: <5B73C5D402000078001DE189@prv1-mh.provo.novell.com> (raw) In-Reply-To: 5B30C6E202000078001CD724@prv1-mh.provo.novell.com While this is only a start (IOCTL_PRIVCMD_MMAP* and IOCTL_PRIVCMD_DM_OP require more work), it at least allows some simple operations (like "xl dmesg") which have always been available on XenoLinux to work again with a 64-bit kernel underneath a 32-bit distro. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Juergen Gross <jgross@suse.com> --- Resend due to prior omission of file system related addressees. --- fs/compat_ioctl.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) --- 4.18/fs/compat_ioctl.c +++ 4.18-xen-privcmd-compat-ioctls/fs/compat_ioctl.c @@ -115,6 +115,12 @@ #include <asm/fbio.h> #endif +#ifdef CONFIG_XEN +#include <xen/interface/xen.h> +#include <xen/evtchn.h> +#include <xen/privcmd.h> +#endif + #define convert_in_user(srcptr, dstptr) \ ({ \ typeof(*srcptr) val; \ @@ -1300,6 +1306,17 @@ IGNORE_IOCTL(FBIOGETCMAP32) IGNORE_IOCTL(FBIOSCURSOR32) IGNORE_IOCTL(FBIOGCURSOR32) #endif + +#ifdef CONFIG_XEN +COMPATIBLE_IOCTL(IOCTL_PRIVCMD_HYPERCALL) +COMPATIBLE_IOCTL(IOCTL_PRIVCMD_RESTRICT) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_VIRQ) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_INTERDOMAIN) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_UNBOUND_PORT) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_UNBIND) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_NOTIFY) +COMPATIBLE_IOCTL(IOCTL_EVTCHN_RESET) +#endif }; /* _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2018-08-15 9:30 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-25 10:41 [PATCH] compat-ioctl/Xen: support at least some IOCTLs of evtchn and privcmd Jan Beulich 2018-08-15 6:19 ` Jan Beulich [this message] 2018-08-15 6:19 ` [PATCH RESEND] " Jan Beulich 2018-08-15 12:41 ` Christoph Hellwig 2018-08-15 12:41 ` Christoph Hellwig 2018-08-15 12:51 ` Al Viro 2018-08-15 12:51 ` Al Viro 2018-08-15 13:16 ` Jan Beulich 2018-08-15 13:16 ` Jan Beulich 2018-08-15 13:27 ` Al Viro 2018-08-15 13:27 ` Al Viro
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