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Mon, 14 Dec 2020 17:36:33 +0100 (CET) X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 Content-Type: text/plain; charset="utf-8" --- tools/libs/foreignmemory/Makefile | 2 +- tools/libs/foreignmemory/netbsd.c | 76 ++++++++++++++++++++++++++---- tools/libs/foreignmemory/private.h | 10 +++- 3 files changed, 75 insertions(+), 13 deletions(-) diff --git a/tools/libs/foreignmemory/Makefile b/tools/libs/foreignmemory/M= akefile index 13850f7988..f191cdbed0 100644 --- a/tools/libs/foreignmemory/Makefile +++ b/tools/libs/foreignmemory/Makefile @@ -8,7 +8,7 @@ SRCS-y +=3D core.c SRCS-$(CONFIG_Linux) +=3D linux.c SRCS-$(CONFIG_FreeBSD) +=3D freebsd.c SRCS-$(CONFIG_SunOS) +=3D compat.c solaris.c -SRCS-$(CONFIG_NetBSD) +=3D compat.c netbsd.c +SRCS-$(CONFIG_NetBSD) +=3D netbsd.c SRCS-$(CONFIG_MiniOS) +=3D minios.c =20 include $(XEN_ROOT)/tools/libs/libs.mk diff --git a/tools/libs/foreignmemory/netbsd.c b/tools/libs/foreignmemory/n= etbsd.c index 54a418ebd6..6d740ec2a3 100644 --- a/tools/libs/foreignmemory/netbsd.c +++ b/tools/libs/foreignmemory/netbsd.c @@ -19,7 +19,9 @@ =20 #include #include +#include #include +#include =20 #include "private.h" =20 @@ -66,15 +68,17 @@ int osdep_xenforeignmemory_close(xenforeignmemory_handl= e *fmem) return close(fd); } =20 -void *osdep_map_foreign_batch(xenforeignmem_handle *fmem, uint32_t dom, - void *addr, int prot, int flags, - xen_pfn_t *arr, int num) +void *osdep_xenforeignmemory_map(xenforeignmemory_handle *fmem, + uint32_t dom, void *addr, + int prot, int flags, size_t num, + const xen_pfn_t arr[/*num*/], int err[/*num*/]) + { int fd =3D fmem->fd; - privcmd_mmapbatch_t ioctlx; - addr =3D mmap(addr, num*XC_PAGE_SIZE, prot, flags | MAP_ANON | MAP_SHA= RED, -1, 0); + privcmd_mmapbatch_v2_t ioctlx; + addr =3D mmap(addr, num*PAGE_SIZE, prot, flags | MAP_ANON | MAP_SHARED= , -1, 0); if ( addr =3D=3D MAP_FAILED ) { - PERROR("osdep_map_foreign_batch: mmap failed"); + PERROR("osdep_xenforeignmemory_map: mmap failed"); return NULL; } =20 @@ -82,11 +86,12 @@ void *osdep_map_foreign_batch(xenforeignmem_handle *fme= m, uint32_t dom, ioctlx.dom=3Ddom; ioctlx.addr=3D(unsigned long)addr; ioctlx.arr=3Darr; - if ( ioctl(fd, IOCTL_PRIVCMD_MMAPBATCH, &ioctlx) < 0 ) + ioctlx.err=3Derr; + if ( ioctl(fd, IOCTL_PRIVCMD_MMAPBATCH_V2, &ioctlx) < 0 ) { int saved_errno =3D errno; - PERROR("osdep_map_foreign_batch: ioctl failed"); - (void)munmap(addr, num*XC_PAGE_SIZE); + PERROR("osdep_xenforeignmemory_map: ioctl failed"); + (void)munmap(addr, num*PAGE_SIZE); errno =3D saved_errno; return NULL; } @@ -97,7 +102,58 @@ void *osdep_map_foreign_batch(xenforeignmem_handle *fme= m, uint32_t dom, int osdep_xenforeignmemory_unmap(xenforeignmemory_handle *fmem, void *addr, size_t num) { - return munmap(addr, num*XC_PAGE_SIZE); + return munmap(addr, num*PAGE_SIZE); +} + +int osdep_xenforeignmemory_restrict(xenforeignmemory_handle *fmem, + domid_t domid) +{ + return 0; +} + +int osdep_xenforeignmemory_unmap_resource( + xenforeignmemory_handle *fmem, xenforeignmemory_resource_handle *fres) +{ + return fres ? munmap(fres->addr, fres->nr_frames << PAGE_SHIFT) : 0; +} + +int osdep_xenforeignmemory_map_resource( + xenforeignmemory_handle *fmem, xenforeignmemory_resource_handle *fres) +{ + privcmd_mmap_resource_t mr =3D { + .dom =3D fres->domid, + .type =3D fres->type, + .id =3D fres->id, + .idx =3D fres->frame, + .num =3D fres->nr_frames, + }; + int rc; + + fres->addr =3D mmap(fres->addr, fres->nr_frames << PAGE_SHIFT, + fres->prot, fres->flags | MAP_ANON | MAP_SHARED, -1,= 0); + if ( fres->addr =3D=3D MAP_FAILED ) + return -1; + + mr.addr =3D (uintptr_t)fres->addr; + + rc =3D ioctl(fmem->fd, IOCTL_PRIVCMD_MMAP_RESOURCE, &mr); + if ( rc ) + { + int saved_errno; + + if ( errno !=3D fmem->unimpl_errno && errno !=3D EOPNOTSUPP ) + PERROR("ioctl failed"); + else + errno =3D EOPNOTSUPP; + + saved_errno =3D errno; + (void)osdep_xenforeignmemory_unmap_resource(fmem, fres); + errno =3D saved_errno; + + return -1; + } + + return 0; } =20 /* diff --git a/tools/libs/foreignmemory/private.h b/tools/libs/foreignmemory/= private.h index 8f1bf081ed..abeceb8720 100644 --- a/tools/libs/foreignmemory/private.h +++ b/tools/libs/foreignmemory/private.h @@ -8,7 +8,13 @@ #include =20 #include + +#ifdef __NetBSD__ +#include +#include +#else #include +#endif =20 #ifndef PAGE_SHIFT /* Mini-os, Yukk */ #define PAGE_SHIFT 12 @@ -38,7 +44,7 @@ int osdep_xenforeignmemory_unmap(xenforeignmemory_handle = *fmem, =20 #if defined(__NetBSD__) || defined(__sun__) /* Strictly compat for those two only only */ -void *compat_mapforeign_batch(xenforeignmem_handle *fmem, uint32_t dom, +void *osdep_map_foreign_batch(xenforeignmemory_handle *fmem, uint32_t dom, void *addr, int prot, int flags, xen_pfn_t *arr, int num); #endif @@ -54,7 +60,7 @@ struct xenforeignmemory_resource_handle { int flags; }; =20 -#ifndef __linux__ +#if !defined(__linux__) && !defined(__NetBSD__) static inline int osdep_xenforeignmemory_restrict(xenforeignmemory_handle = *fmem, domid_t domid) { --=20 2.28.0