From: Manuel Bouyer <bouyer@netbsd.org>
To: xen-devel@lists.xenproject.org
Cc: Manuel Bouyer <bouyer@netbsd.org>,
Ian Jackson <iwj@xenproject.org>, Wei Liu <wl@xen.org>
Subject: [PATCH v2] libs/foreignmemory: Implement on NetBSD
Date: Tue, 26 Jan 2021 23:47:52 +0100 [thread overview]
Message-ID: <20210126224800.1246-6-bouyer@netbsd.org> (raw)
In-Reply-To: <20210126224800.1246-1-bouyer@netbsd.org>
Implement foreignmemory interface on NetBSD. The compat interface is now used
only on __sun__
Signed-off-by: Manuel Bouyer <bouyer@netbsd.org>
---
tools/libs/foreignmemory/Makefile | 2 +-
tools/libs/foreignmemory/netbsd.c | 66 +++++++++++++++++++++++++-----
tools/libs/foreignmemory/private.h | 6 +--
3 files changed, 60 insertions(+), 14 deletions(-)
diff --git a/tools/libs/foreignmemory/Makefile b/tools/libs/foreignmemory/Makefile
index 13850f7988..f191cdbed0 100644
--- a/tools/libs/foreignmemory/Makefile
+++ b/tools/libs/foreignmemory/Makefile
@@ -8,7 +8,7 @@ SRCS-y += core.c
SRCS-$(CONFIG_Linux) += linux.c
SRCS-$(CONFIG_FreeBSD) += freebsd.c
SRCS-$(CONFIG_SunOS) += compat.c solaris.c
-SRCS-$(CONFIG_NetBSD) += compat.c netbsd.c
+SRCS-$(CONFIG_NetBSD) += netbsd.c
SRCS-$(CONFIG_MiniOS) += minios.c
include $(XEN_ROOT)/tools/libs/libs.mk
diff --git a/tools/libs/foreignmemory/netbsd.c b/tools/libs/foreignmemory/netbsd.c
index 54a418ebd6..a7e1d72ffc 100644
--- a/tools/libs/foreignmemory/netbsd.c
+++ b/tools/libs/foreignmemory/netbsd.c
@@ -19,7 +19,9 @@
#include <unistd.h>
#include <fcntl.h>
+#include <errno.h>
#include <sys/mman.h>
+#include <sys/ioctl.h>
#include "private.h"
@@ -66,15 +68,17 @@ int osdep_xenforeignmemory_close(xenforeignmemory_handle *fmem)
return close(fd);
}
-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 = fmem->fd;
- privcmd_mmapbatch_t ioctlx;
- addr = mmap(addr, num*XC_PAGE_SIZE, prot, flags | MAP_ANON | MAP_SHARED, -1, 0);
+ privcmd_mmapbatch_v2_t ioctlx;
+ addr = mmap(addr, num*PAGE_SIZE, prot, flags | MAP_ANON | MAP_SHARED, -1, 0);
if ( addr == MAP_FAILED ) {
- PERROR("osdep_map_foreign_batch: mmap failed");
+ PERROR("osdep_xenforeignmemory_map: mmap failed");
return NULL;
}
@@ -82,11 +86,12 @@ void *osdep_map_foreign_batch(xenforeignmem_handle *fmem, uint32_t dom,
ioctlx.dom=dom;
ioctlx.addr=(unsigned long)addr;
ioctlx.arr=arr;
- if ( ioctl(fd, IOCTL_PRIVCMD_MMAPBATCH, &ioctlx) < 0 )
+ ioctlx.err=err;
+ if ( ioctl(fd, IOCTL_PRIVCMD_MMAPBATCH_V2, &ioctlx) < 0 )
{
int saved_errno = 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 = saved_errno;
return NULL;
}
@@ -97,7 +102,48 @@ void *osdep_map_foreign_batch(xenforeignmem_handle *fmem, 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)
+{
+ errno = EOPNOTSUPP;
+ return -1;
+}
+
+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 = {
+ .dom = fres->domid,
+ .type = fres->type,
+ .id = fres->id,
+ .idx = fres->frame,
+ .num = fres->nr_frames,
+ };
+ int rc;
+
+ fres->addr = mmap(fres->addr, fres->nr_frames << PAGE_SHIFT,
+ fres->prot, fres->flags | MAP_ANON | MAP_SHARED, -1, 0);
+ if ( fres->addr == MAP_FAILED )
+ return -1;
+
+ mr.addr = (uintptr_t)fres->addr;
+
+ rc = ioctl(fmem->fd, IOCTL_PRIVCMD_MMAP_RESOURCE, &mr);
+ if ( rc )
+ {
+ PERROR("ioctl failed");
+ }
+
+ return 0;
}
/*
diff --git a/tools/libs/foreignmemory/private.h b/tools/libs/foreignmemory/private.h
index ebd45c4785..7e734ac61e 100644
--- a/tools/libs/foreignmemory/private.h
+++ b/tools/libs/foreignmemory/private.h
@@ -36,9 +36,9 @@ void *osdep_xenforeignmemory_map(xenforeignmemory_handle *fmem,
int osdep_xenforeignmemory_unmap(xenforeignmemory_handle *fmem,
void *addr, size_t num);
-#if defined(__NetBSD__) || defined(__sun__)
+#if 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 +54,7 @@ struct xenforeignmemory_resource_handle {
int flags;
};
-#if !defined(__linux__) && !defined(__FreeBSD__)
+#ifdef __sun__
static inline int osdep_xenforeignmemory_restrict(xenforeignmemory_handle *fmem,
domid_t domid)
{
--
2.29.2
next prev parent reply other threads:[~2021-01-26 22:48 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-26 22:47 [PATCH v2] Fix error: array subscript has type 'char' Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] NetBSD hotplug: Introduce locking functions Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] NetBSD hotplug: fix block unconfigure on destroy Manuel Bouyer
2021-01-28 11:45 ` Roger Pau Monné
2021-01-29 11:00 ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] NetBSD: use system-provided headers Manuel Bouyer
2021-01-28 11:21 ` Roger Pau Monné
2021-01-29 10:57 ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/call: fix build on NetBSD Manuel Bouyer
2021-01-26 22:47 ` Manuel Bouyer [this message]
2021-01-27 20:15 ` [PATCH v2] libs/foreignmemory: Implement " Andrew Cooper
2021-01-28 10:48 ` Roger Pau Monné
2021-01-28 10:52 ` Andrew Cooper
2021-01-28 11:42 ` Andrew Cooper
2021-01-29 10:51 ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/gnttab: implement " Manuel Bouyer
2021-01-28 11:14 ` Roger Pau Monné
2021-01-26 22:47 ` [PATCH v2] libs/light: Switch NetBSD to QEMU_XEN Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: fix tv_sec printf format Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: fix uuid on NetBSD Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: make it build without setresuid() Manuel Bouyer
2021-01-28 11:06 ` Ian Jackson
2021-01-29 22:51 ` Andrew Cooper
2021-01-29 23:01 ` Manuel Bouyer
2021-01-29 23:05 ` Andrew Cooper
2021-01-29 23:16 ` Manuel Bouyer
2021-01-30 18:28 ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: pass some infos to qemu Manuel Bouyer
2021-01-28 11:08 ` Roger Pau Monné
2021-01-29 10:46 ` Manuel Bouyer
2021-01-29 14:52 ` Roger Pau Monné
2021-01-30 23:07 ` Manuel Bouyer
2021-01-30 11:50 ` Manuel Bouyer
2021-02-01 8:06 ` Roger Pau Monné
2021-02-01 9:39 ` Manuel Bouyer
2021-02-01 10:54 ` Roger Pau Monné
2021-02-01 11:21 ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/store: make build without PTHREAD_STACK_MIN Manuel Bouyer
2021-01-28 10:57 ` Roger Pau Monné
2021-01-28 11:08 ` Andrew Cooper
2021-01-29 10:43 ` Manuel Bouyer
2021-01-26 22:48 ` [PATCH v2] xenpmd.c: use dynamic allocation Manuel Bouyer
2021-01-28 10:34 ` Roger Pau Monné
2021-01-27 19:30 ` [PATCH v2] Fix error: array subscript has type 'char' Andrew Cooper
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