* [PATCH 1/4] block: feature detection for host block support
2021-03-08 6:48 [PATCH 0/4] Disable unsupported features on iOS hosts Joelle van Dyne
@ 2021-03-08 6:48 ` Joelle van Dyne
2021-03-08 6:48 ` [PATCH 2/4] block: check for sys/disk.h Joelle van Dyne
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: Joelle van Dyne @ 2021-03-08 6:48 UTC (permalink / raw)
To: qemu-devel
Cc: Kevin Wolf, open list:raw, Markus Armbruster, Max Reitz,
Joelle van Dyne
On Darwin (iOS), there are no system level APIs for directly accessing
host block devices. We detect this at configure time.
Signed-off-by: Joelle van Dyne <j@getutm.app>
---
meson.build | 6 +++++-
qapi/block-core.json | 10 +++++++---
block/file-posix.c | 33 ++++++++++++++++++++++-----------
3 files changed, 34 insertions(+), 15 deletions(-)
diff --git a/meson.build b/meson.build
index 81d760d6e8..0e53876f69 100644
--- a/meson.build
+++ b/meson.build
@@ -181,7 +181,7 @@ if targetos == 'windows'
include_directories: include_directories('.'))
elif targetos == 'darwin'
coref = dependency('appleframeworks', modules: 'CoreFoundation')
- iokit = dependency('appleframeworks', modules: 'IOKit')
+ iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
elif targetos == 'sunos'
socket = [cc.find_library('socket'),
cc.find_library('nsl'),
@@ -1056,6 +1056,9 @@ if get_option('cfi')
add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
endif
+have_host_block_device = (targetos != 'darwin' or
+ cc.has_header('IOKit/storage/IOMedia.h'))
+
#################
# config-host.h #
#################
@@ -1149,6 +1152,7 @@ config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
+config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 9f555d5c1d..0c2cd9e689 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -959,7 +959,8 @@
'discriminator': 'driver',
'data': {
'file': 'BlockStatsSpecificFile',
- 'host_device': 'BlockStatsSpecificFile',
+ 'host_device': { 'type': 'BlockStatsSpecificFile',
+ 'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
'nvme': 'BlockStatsSpecificNvme' } }
##
@@ -2863,7 +2864,9 @@
{ 'enum': 'BlockdevDriver',
'data': [ 'blkdebug', 'blklogwrites', 'blkreplay', 'blkverify', 'bochs',
'cloop', 'compress', 'copy-on-read', 'dmg', 'file', 'ftp', 'ftps',
- 'gluster', 'host_cdrom', 'host_device', 'http', 'https', 'iscsi',
+ 'gluster', 'host_cdrom',
+ {'name': 'host_device', 'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
+ 'http', 'https', 'iscsi',
'luks', 'nbd', 'nfs', 'null-aio', 'null-co', 'nvme', 'parallels',
'preallocate', 'qcow', 'qcow2', 'qed', 'quorum', 'raw', 'rbd',
{ 'name': 'replication', 'if': 'defined(CONFIG_REPLICATION)' },
@@ -4066,7 +4069,8 @@
'ftps': 'BlockdevOptionsCurlFtps',
'gluster': 'BlockdevOptionsGluster',
'host_cdrom': 'BlockdevOptionsFile',
- 'host_device':'BlockdevOptionsFile',
+ 'host_device': { 'type': 'BlockdevOptionsFile',
+ 'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
'http': 'BlockdevOptionsCurlHttp',
'https': 'BlockdevOptionsCurlHttps',
'iscsi': 'BlockdevOptionsIscsi',
diff --git a/block/file-posix.c b/block/file-posix.c
index 05079b40ca..d1ab3180ff 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -42,6 +42,8 @@
#include "scsi/constants.h"
#if defined(__APPLE__) && (__MACH__)
+#include <sys/ioctl.h>
+#if defined(HAVE_HOST_BLOCK_DEVICE)
#include <paths.h>
#include <sys/param.h>
#include <IOKit/IOKitLib.h>
@@ -52,6 +54,7 @@
//#include <IOKit/storage/IOCDTypes.h>
#include <IOKit/storage/IODVDMedia.h>
#include <CoreFoundation/CoreFoundation.h>
+#endif /* defined(HAVE_HOST_BLOCK_DEVICE) */
#endif
#ifdef __sun__
@@ -181,7 +184,17 @@ typedef struct BDRVRawReopenState {
bool check_cache_dropped;
} BDRVRawReopenState;
-static int fd_open(BlockDriverState *bs);
+static int fd_open(BlockDriverState *bs)
+{
+ BDRVRawState *s = bs->opaque;
+
+ /* this is just to ensure s->fd is sane (its called by io ops) */
+ if (s->fd >= 0) {
+ return 0;
+ }
+ return -EIO;
+}
+
static int64_t raw_getlength(BlockDriverState *bs);
typedef struct RawPosixAIOData {
@@ -3032,6 +3045,7 @@ static BlockStatsSpecific *raw_get_specific_stats(BlockDriverState *bs)
return stats;
}
+#if defined(HAVE_HOST_BLOCK_DEVICE)
static BlockStatsSpecific *hdev_get_specific_stats(BlockDriverState *bs)
{
BlockStatsSpecific *stats = g_new(BlockStatsSpecific, 1);
@@ -3041,6 +3055,7 @@ static BlockStatsSpecific *hdev_get_specific_stats(BlockDriverState *bs)
return stats;
}
+#endif /* HAVE_HOST_BLOCK_DEVICE */
static QemuOptsList raw_create_opts = {
.name = "raw-create-opts",
@@ -3265,6 +3280,8 @@ BlockDriver bdrv_file = {
/***********************************************/
/* host device */
+#if defined(HAVE_HOST_BLOCK_DEVICE)
+
#if defined(__APPLE__) && defined(__MACH__)
static kern_return_t GetBSDPath(io_iterator_t mediaIterator, char *bsdPath,
CFIndex maxPathSize, int flags);
@@ -3557,16 +3574,6 @@ hdev_co_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
}
#endif /* linux */
-static int fd_open(BlockDriverState *bs)
-{
- BDRVRawState *s = bs->opaque;
-
- /* this is just to ensure s->fd is sane (its called by io ops) */
- if (s->fd >= 0)
- return 0;
- return -EIO;
-}
-
static coroutine_fn int
hdev_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes)
{
@@ -3890,6 +3897,8 @@ static BlockDriver bdrv_host_cdrom = {
};
#endif /* __FreeBSD__ */
+#endif /* HAVE_HOST_BLOCK_DEVICE */
+
static void bdrv_file_init(void)
{
/*
@@ -3897,6 +3906,7 @@ static void bdrv_file_init(void)
* registered last will get probed first.
*/
bdrv_register(&bdrv_file);
+#if defined(HAVE_HOST_BLOCK_DEVICE)
bdrv_register(&bdrv_host_device);
#ifdef __linux__
bdrv_register(&bdrv_host_cdrom);
@@ -3904,6 +3914,7 @@ static void bdrv_file_init(void)
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
bdrv_register(&bdrv_host_cdrom);
#endif
+#endif /* HAVE_HOST_BLOCK_DEVICE */
}
block_init(bdrv_file_init);
--
2.28.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 4/4] slirp: feature detection for smbd
2021-03-08 6:48 [PATCH 0/4] Disable unsupported features on iOS hosts Joelle van Dyne
` (2 preceding siblings ...)
2021-03-08 6:48 ` [PATCH 3/4] block: detect DKIOCGETBLOCKCOUNT/SIZE before use Joelle van Dyne
@ 2021-03-08 6:48 ` Joelle van Dyne
2021-03-08 12:28 ` Samuel Thibault
3 siblings, 1 reply; 6+ messages in thread
From: Joelle van Dyne @ 2021-03-08 6:48 UTC (permalink / raw)
To: qemu-devel; +Cc: Samuel Thibault, Jason Wang, Joelle van Dyne
Replace Windows specific macro with a more generic feature detection
macro. Allows slirp smb feature to be disabled manually as well.
Signed-off-by: Joelle van Dyne <j@getutm.app>
---
configure | 26 +++++++++++++++++++++++---
meson.build | 3 +++
net/slirp.c | 16 ++++++++--------
3 files changed, 34 insertions(+), 11 deletions(-)
diff --git a/configure b/configure
index 34fccaa2ba..8335a3e6a0 100755
--- a/configure
+++ b/configure
@@ -465,6 +465,7 @@ fuse_lseek="auto"
multiprocess="auto"
malloc_trim="auto"
+slirp_smbd="auto"
# parse CC options second
for opt do
@@ -834,8 +835,6 @@ do
fi
done
-: ${smbd=${SMBD-/usr/sbin/smbd}}
-
# Default objcc to clang if available, otherwise use CC
if has clang; then
objcc=clang
@@ -1560,6 +1559,10 @@ for opt do
;;
--disable-multiprocess) multiprocess="disabled"
;;
+ --enable-slirp-smbd) slirp_smbd=yes
+ ;;
+ --disable-slirp-smbd) slirp_smbd=no
+ ;;
*)
echo "ERROR: unknown option $opt"
echo "Try '$0 --help' for more information"
@@ -1913,6 +1916,7 @@ disabled with --disable-FEATURE, default is enabled if available
fuse FUSE block device export
fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports
multiprocess Out of process device emulation support
+ slirp-smbd use smbd (at path --smbd=*) in slirp networking
NOTE: The object files are built at the place where configure is launched
EOF
@@ -5252,6 +5256,19 @@ case "$slirp" in
;;
esac
+# Check for slirp smbd dupport
+: ${smbd=${SMBD-/usr/sbin/smbd}}
+if test "$slirp_smbd" != "no" ; then
+ if test "$mingw32" = "yes" ; then
+ if test "$slirp_smbd" = "yes" ; then
+ error_exit "Host smbd not supported on this platform."
+ fi
+ slirp_smbd=no
+ else
+ slirp_smbd=yes
+ fi
+fi
+
##########################################
# check for usable __NR_keyctl syscall
@@ -5527,7 +5544,10 @@ fi
if test "$guest_agent" = "yes" ; then
echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
fi
-echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
+if test "$slirp_smbd" = "yes" ; then
+ echo "CONFIG_SLIRP_SMBD=y" >> $config_host_mak
+ echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
+fi
if test "$vde" = "yes" ; then
echo "CONFIG_VDE=y" >> $config_host_mak
echo "VDE_LIBS=$vde_libs" >> $config_host_mak
diff --git a/meson.build b/meson.build
index ba0db9fa1f..773ce512c7 100644
--- a/meson.build
+++ b/meson.build
@@ -2629,6 +2629,9 @@ summary_info += {'pixman': pixman.found()}
summary_info += {'VTE support': config_host.has_key('CONFIG_VTE')}
# TODO: add back version
summary_info += {'slirp support': slirp_opt == 'disabled' ? false : slirp_opt}
+if slirp_opt != 'disabled' and 'CONFIG_SLIRP_SMBD' in config_host
+ summary_info += {'smbd': config_host['CONFIG_SMBD_COMMAND']}
+endif
summary_info += {'libtasn1': config_host.has_key('CONFIG_TASN1')}
summary_info += {'PAM': config_host.has_key('CONFIG_AUTH_PAM')}
summary_info += {'iconv support': iconv.found()}
diff --git a/net/slirp.c b/net/slirp.c
index be914c0be0..b3ded2aac1 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -27,7 +27,7 @@
#include "net/slirp.h"
-#ifndef _WIN32
+#if defined(CONFIG_SLIRP_SMBD)
#include <pwd.h>
#include <sys/wait.h>
#endif
@@ -90,7 +90,7 @@ typedef struct SlirpState {
Slirp *slirp;
Notifier poll_notifier;
Notifier exit_notifier;
-#ifndef _WIN32
+#if defined(CONFIG_SLIRP_SMBD)
gchar *smb_dir;
#endif
GSList *fwd;
@@ -103,7 +103,7 @@ static QTAILQ_HEAD(, SlirpState) slirp_stacks =
static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp);
static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp);
-#ifndef _WIN32
+#if defined(CONFIG_SLIRP_SMBD)
static int slirp_smb(SlirpState *s, const char *exported_dir,
struct in_addr vserver_addr, Error **errp);
static void slirp_smb_cleanup(SlirpState *s);
@@ -367,7 +367,7 @@ static int net_slirp_init(NetClientState *peer, const char *model,
struct in6_addr ip6_prefix;
struct in6_addr ip6_host;
struct in6_addr ip6_dns;
-#ifndef _WIN32
+#if defined(CONFIG_SLIRP_SMBD)
struct in_addr smbsrv = { .s_addr = 0 };
#endif
NetClientState *nc;
@@ -477,7 +477,7 @@ static int net_slirp_init(NetClientState *peer, const char *model,
return -1;
}
-#ifndef _WIN32
+#if defined(CONFIG_SLIRP_SMBD)
if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) {
error_setg(errp, "Failed to parse SMB address");
return -1;
@@ -592,7 +592,7 @@ static int net_slirp_init(NetClientState *peer, const char *model,
}
}
}
-#ifndef _WIN32
+#if defined(CONFIG_SLIRP_SMBD)
if (smb_export) {
if (slirp_smb(s, smb_export, smbsrv, errp) < 0) {
goto error;
@@ -784,7 +784,7 @@ void hmp_hostfwd_add(Monitor *mon, const QDict *qdict)
}
-#ifndef _WIN32
+#if defined(CONFIG_SLIRP_SMBD)
/* automatic user mode samba server configuration */
static void slirp_smb_cleanup(SlirpState *s)
@@ -899,7 +899,7 @@ static int slirp_smb(SlirpState* s, const char *exported_dir,
return 0;
}
-#endif /* !defined(_WIN32) */
+#endif /* defined(CONFIG_SLIRP_SMBD) */
static int guestfwd_can_read(void *opaque)
{
--
2.28.0
^ permalink raw reply related [flat|nested] 6+ messages in thread