Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches
# gpg: Signature made Tue 28 Feb 2017 20:35:32 GMT
# gpg: using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream: (46 commits)
block: Add Error parameter to bdrv_append()
block: Add Error parameter to bdrv_set_backing_hd()
block: Assertions for resize permission
block: Assertions for write permissions
block: Pass BdrvChild to bdrv_aligned_preadv/pwritev and copy-on-read
tests: Remove FIXME comments
nbd/server: Use real permissions for NBD exports
migration/block: Use real permissions
hmp: Request permissions in qemu-io
commit: Add filter-node-name to block-commit
mirror: Add filter-node-name to blockdev-mirror
stream: Use real permissions in streaming block job
mirror: Use real permissions in mirror/active commit block job
blockjob: Factor out block_job_remove_all_bdrv()
block: Allow backing file links in change_parent_backing_link()
block: BdrvChildRole.attach/detach() callbacks
block: Fix pending requests check in bdrv_append()
backup: Use real permissions in backup block job
commit: Use real permissions for HMP 'commit'
commit: Use real permissions in commit block job
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/.shippable.yml b/.shippable.yml
index 1a1fd7a..653bd75 100644
--- a/.shippable.yml
+++ b/.shippable.yml
@@ -5,6 +5,8 @@
TARGET_LIST=arm-softmmu,arm-linux-user
- IMAGE=debian-arm64-cross
TARGET_LIST=aarch64-softmmu,aarch64-linux-user
+ - IMAGE=debian-s390x-cross
+ TARGET_LIST=s390x-softmmu,s390x-linux-user
build:
pre_ci:
- make docker-image-${IMAGE}
diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak
index fdf4089..1e3bd2b 100644
--- a/default-configs/arm-softmmu.mak
+++ b/default-configs/arm-softmmu.mak
@@ -42,6 +42,8 @@
CONFIG_A9MPCORE=y
CONFIG_A15MPCORE=y
+CONFIG_ARM_V7M=y
+
CONFIG_ARM_GIC=y
CONFIG_ARM_GIC_KVM=$(CONFIG_KVM)
CONFIG_ARM_TIMER=y
diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index 2369b91..f22a3c3 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -13,7 +13,9 @@
#include "qemu/osdep.h"
#include "9p.h"
+#include "9p-local.h"
#include "9p-xattr.h"
+#include "9p-util.h"
#include "fsdev/qemu-fsdev.h" /* local_ops */
#include <arpa/inet.h>
#include <pwd.h>
@@ -43,40 +45,62 @@
#define BTRFS_SUPER_MAGIC 0x9123683E
#endif
-#define VIRTFS_META_DIR ".virtfs_metadata"
+typedef struct {
+ int mountfd;
+} LocalData;
-static char *local_mapped_attr_path(FsContext *ctx, const char *path)
+int local_open_nofollow(FsContext *fs_ctx, const char *path, int flags,
+ mode_t mode)
{
- int dirlen;
- const char *name = strrchr(path, '/');
- if (name) {
- dirlen = name - path;
- ++name;
- } else {
- name = path;
- dirlen = 0;
+ LocalData *data = fs_ctx->private;
+
+ /* All paths are relative to the path data->mountfd points to */
+ while (*path == '/') {
+ path++;
}
- return g_strdup_printf("%s/%.*s/%s/%s", ctx->fs_root,
- dirlen, path, VIRTFS_META_DIR, name);
+
+ return relative_openat_nofollow(data->mountfd, path, flags, mode);
}
-static FILE *local_fopen(const char *path, const char *mode)
+int local_opendir_nofollow(FsContext *fs_ctx, const char *path)
+{
+ return local_open_nofollow(fs_ctx, path, O_DIRECTORY | O_RDONLY, 0);
+}
+
+static void renameat_preserve_errno(int odirfd, const char *opath, int ndirfd,
+ const char *npath)
+{
+ int serrno = errno;
+ renameat(odirfd, opath, ndirfd, npath);
+ errno = serrno;
+}
+
+static void unlinkat_preserve_errno(int dirfd, const char *path, int flags)
+{
+ int serrno = errno;
+ unlinkat(dirfd, path, flags);
+ errno = serrno;
+}
+
+#define VIRTFS_META_DIR ".virtfs_metadata"
+
+static FILE *local_fopenat(int dirfd, const char *name, const char *mode)
{
int fd, o_mode = 0;
FILE *fp;
- int flags = O_NOFOLLOW;
+ int flags;
/*
* only supports two modes
*/
if (mode[0] == 'r') {
- flags |= O_RDONLY;
+ flags = O_RDONLY;
} else if (mode[0] == 'w') {
- flags |= O_WRONLY | O_TRUNC | O_CREAT;
+ flags = O_WRONLY | O_TRUNC | O_CREAT;
o_mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
} else {
return NULL;
}
- fd = open(path, flags, o_mode);
+ fd = openat_file(dirfd, name, flags, o_mode);
if (fd == -1) {
return NULL;
}
@@ -88,16 +112,20 @@
}
#define ATTR_MAX 100
-static void local_mapped_file_attr(FsContext *ctx, const char *path,
+static void local_mapped_file_attr(int dirfd, const char *name,
struct stat *stbuf)
{
FILE *fp;
char buf[ATTR_MAX];
- char *attr_path;
+ int map_dirfd;
- attr_path = local_mapped_attr_path(ctx, path);
- fp = local_fopen(attr_path, "r");
- g_free(attr_path);
+ map_dirfd = openat_dir(dirfd, VIRTFS_META_DIR);
+ if (map_dirfd == -1) {
+ return;
+ }
+
+ fp = local_fopenat(map_dirfd, name, "r");
+ close_preserve_errno(map_dirfd);
if (!fp) {
return;
}
@@ -119,12 +147,17 @@
static int local_lstat(FsContext *fs_ctx, V9fsPath *fs_path, struct stat *stbuf)
{
- int err;
- char *buffer;
- char *path = fs_path->data;
+ int err = -1;
+ char *dirpath = g_path_get_dirname(fs_path->data);
+ char *name = g_path_get_basename(fs_path->data);
+ int dirfd;
- buffer = rpath(fs_ctx, path);
- err = lstat(buffer, stbuf);
+ dirfd = local_opendir_nofollow(fs_ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
+
+ err = fstatat(dirfd, name, stbuf, AT_SYMLINK_NOFOLLOW);
if (err) {
goto err_out;
}
@@ -134,87 +167,83 @@
gid_t tmp_gid;
mode_t tmp_mode;
dev_t tmp_dev;
- if (getxattr(buffer, "user.virtfs.uid", &tmp_uid, sizeof(uid_t)) > 0) {
+
+ if (fgetxattrat_nofollow(dirfd, name, "user.virtfs.uid", &tmp_uid,
+ sizeof(uid_t)) > 0) {
stbuf->st_uid = le32_to_cpu(tmp_uid);
}
- if (getxattr(buffer, "user.virtfs.gid", &tmp_gid, sizeof(gid_t)) > 0) {
+ if (fgetxattrat_nofollow(dirfd, name, "user.virtfs.gid", &tmp_gid,
+ sizeof(gid_t)) > 0) {
stbuf->st_gid = le32_to_cpu(tmp_gid);
}
- if (getxattr(buffer, "user.virtfs.mode",
- &tmp_mode, sizeof(mode_t)) > 0) {
+ if (fgetxattrat_nofollow(dirfd, name, "user.virtfs.mode", &tmp_mode,
+ sizeof(mode_t)) > 0) {
stbuf->st_mode = le32_to_cpu(tmp_mode);
}
- if (getxattr(buffer, "user.virtfs.rdev", &tmp_dev, sizeof(dev_t)) > 0) {
+ if (fgetxattrat_nofollow(dirfd, name, "user.virtfs.rdev", &tmp_dev,
+ sizeof(dev_t)) > 0) {
stbuf->st_rdev = le64_to_cpu(tmp_dev);
}
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- local_mapped_file_attr(fs_ctx, path, stbuf);
+ local_mapped_file_attr(dirfd, name, stbuf);
}
err_out:
- g_free(buffer);
+ close_preserve_errno(dirfd);
+out:
+ g_free(name);
+ g_free(dirpath);
return err;
}
-static int local_create_mapped_attr_dir(FsContext *ctx, const char *path)
-{
- int err;
- char *attr_dir;
- char *tmp_path = g_strdup(path);
-
- attr_dir = g_strdup_printf("%s/%s/%s",
- ctx->fs_root, dirname(tmp_path), VIRTFS_META_DIR);
-
- err = mkdir(attr_dir, 0700);
- if (err < 0 && errno == EEXIST) {
- err = 0;
- }
- g_free(attr_dir);
- g_free(tmp_path);
- return err;
-}
-
-static int local_set_mapped_file_attr(FsContext *ctx,
- const char *path, FsCred *credp)
+static int local_set_mapped_file_attrat(int dirfd, const char *name,
+ FsCred *credp)
{
FILE *fp;
- int ret = 0;
+ int ret;
char buf[ATTR_MAX];
- char *attr_path;
int uid = -1, gid = -1, mode = -1, rdev = -1;
+ int map_dirfd;
- attr_path = local_mapped_attr_path(ctx, path);
- fp = local_fopen(attr_path, "r");
+ ret = mkdirat(dirfd, VIRTFS_META_DIR, 0700);
+ if (ret < 0 && errno != EEXIST) {
+ return -1;
+ }
+
+ map_dirfd = openat_dir(dirfd, VIRTFS_META_DIR);
+ if (map_dirfd == -1) {
+ return -1;
+ }
+
+ fp = local_fopenat(map_dirfd, name, "r");
if (!fp) {
- goto create_map_file;
+ if (errno == ENOENT) {
+ goto update_map_file;
+ } else {
+ close_preserve_errno(map_dirfd);
+ return -1;
+ }
}
memset(buf, 0, ATTR_MAX);
while (fgets(buf, ATTR_MAX, fp)) {
if (!strncmp(buf, "virtfs.uid", 10)) {
- uid = atoi(buf+11);
+ uid = atoi(buf + 11);
} else if (!strncmp(buf, "virtfs.gid", 10)) {
- gid = atoi(buf+11);
+ gid = atoi(buf + 11);
} else if (!strncmp(buf, "virtfs.mode", 11)) {
- mode = atoi(buf+12);
+ mode = atoi(buf + 12);
} else if (!strncmp(buf, "virtfs.rdev", 11)) {
- rdev = atoi(buf+12);
+ rdev = atoi(buf + 12);
}
memset(buf, 0, ATTR_MAX);
}
fclose(fp);
- goto update_map_file;
-
-create_map_file:
- ret = local_create_mapped_attr_dir(ctx, path);
- if (ret < 0) {
- goto err_out;
- }
update_map_file:
- fp = local_fopen(attr_path, "w");
+ fp = local_fopenat(map_dirfd, name, "w");
+ close_preserve_errno(map_dirfd);
if (!fp) {
- ret = -1;
- goto err_out;
+ return -1;
}
if (credp->fc_uid != -1) {
@@ -230,7 +259,6 @@
rdev = credp->fc_rdev;
}
-
if (uid != -1) {
fprintf(fp, "virtfs.uid=%d\n", uid);
}
@@ -245,39 +273,71 @@
}
fclose(fp);
-err_out:
- g_free(attr_path);
+ return 0;
+}
+
+static int fchmodat_nofollow(int dirfd, const char *name, mode_t mode)
+{
+ int fd, ret;
+
+ /* FIXME: this should be handled with fchmodat(AT_SYMLINK_NOFOLLOW).
+ * Unfortunately, the linux kernel doesn't implement it yet. As an
+ * alternative, let's open the file and use fchmod() instead. This
+ * may fail depending on the permissions of the file, but it is the
+ * best we can do to avoid TOCTTOU. We first try to open read-only
+ * in case name points to a directory. If that fails, we try write-only
+ * in case name doesn't point to a directory.
+ */
+ fd = openat_file(dirfd, name, O_RDONLY, 0);
+ if (fd == -1) {
+ /* In case the file is writable-only and isn't a directory. */
+ if (errno == EACCES) {
+ fd = openat_file(dirfd, name, O_WRONLY, 0);
+ }
+ if (fd == -1 && errno == EISDIR) {
+ errno = EACCES;
+ }
+ }
+ if (fd == -1) {
+ return -1;
+ }
+ ret = fchmod(fd, mode);
+ close_preserve_errno(fd);
return ret;
}
-static int local_set_xattr(const char *path, FsCred *credp)
+static int local_set_xattrat(int dirfd, const char *path, FsCred *credp)
{
int err;
if (credp->fc_uid != -1) {
uint32_t tmp_uid = cpu_to_le32(credp->fc_uid);
- err = setxattr(path, "user.virtfs.uid", &tmp_uid, sizeof(uid_t), 0);
+ err = fsetxattrat_nofollow(dirfd, path, "user.virtfs.uid", &tmp_uid,
+ sizeof(uid_t), 0);
if (err) {
return err;
}
}
if (credp->fc_gid != -1) {
uint32_t tmp_gid = cpu_to_le32(credp->fc_gid);
- err = setxattr(path, "user.virtfs.gid", &tmp_gid, sizeof(gid_t), 0);
+ err = fsetxattrat_nofollow(dirfd, path, "user.virtfs.gid", &tmp_gid,
+ sizeof(gid_t), 0);
if (err) {
return err;
}
}
if (credp->fc_mode != -1) {
uint32_t tmp_mode = cpu_to_le32(credp->fc_mode);
- err = setxattr(path, "user.virtfs.mode", &tmp_mode, sizeof(mode_t), 0);
+ err = fsetxattrat_nofollow(dirfd, path, "user.virtfs.mode", &tmp_mode,
+ sizeof(mode_t), 0);
if (err) {
return err;
}
}
if (credp->fc_rdev != -1) {
uint64_t tmp_rdev = cpu_to_le64(credp->fc_rdev);
- err = setxattr(path, "user.virtfs.rdev", &tmp_rdev, sizeof(dev_t), 0);
+ err = fsetxattrat_nofollow(dirfd, path, "user.virtfs.rdev", &tmp_rdev,
+ sizeof(dev_t), 0);
if (err) {
return err;
}
@@ -285,58 +345,56 @@
return 0;
}
-static int local_post_create_passthrough(FsContext *fs_ctx, const char *path,
- FsCred *credp)
+static int local_set_cred_passthrough(FsContext *fs_ctx, int dirfd,
+ const char *name, FsCred *credp)
{
- char *buffer;
-
- buffer = rpath(fs_ctx, path);
- if (lchown(buffer, credp->fc_uid, credp->fc_gid) < 0) {
+ if (fchownat(dirfd, name, credp->fc_uid, credp->fc_gid,
+ AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH) < 0) {
/*
* If we fail to change ownership and if we are
* using security model none. Ignore the error
*/
if ((fs_ctx->export_flags & V9FS_SEC_MASK) != V9FS_SM_NONE) {
- goto err;
+ return -1;
}
}
- if (chmod(buffer, credp->fc_mode & 07777) < 0) {
- goto err;
- }
-
- g_free(buffer);
- return 0;
-err:
- g_free(buffer);
- return -1;
+ return fchmodat_nofollow(dirfd, name, credp->fc_mode & 07777);
}
static ssize_t local_readlink(FsContext *fs_ctx, V9fsPath *fs_path,
char *buf, size_t bufsz)
{
ssize_t tsize = -1;
- char *buffer;
- char *path = fs_path->data;
if ((fs_ctx->export_flags & V9FS_SM_MAPPED) ||
(fs_ctx->export_flags & V9FS_SM_MAPPED_FILE)) {
int fd;
- buffer = rpath(fs_ctx, path);
- fd = open(buffer, O_RDONLY | O_NOFOLLOW);
- g_free(buffer);
+
+ fd = local_open_nofollow(fs_ctx, fs_path->data, O_RDONLY, 0);
if (fd == -1) {
return -1;
}
do {
tsize = read(fd, (void *)buf, bufsz);
} while (tsize == -1 && errno == EINTR);
- close(fd);
+ close_preserve_errno(fd);
} else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, path);
- tsize = readlink(buffer, buf, bufsz);
- g_free(buffer);
+ char *dirpath = g_path_get_dirname(fs_path->data);
+ char *name = g_path_get_basename(fs_path->data);
+ int dirfd;
+
+ dirfd = local_opendir_nofollow(fs_ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
+
+ tsize = readlinkat(dirfd, name, buf, bufsz);
+ close_preserve_errno(dirfd);
+ out:
+ g_free(name);
+ g_free(dirpath);
}
return tsize;
}
@@ -354,27 +412,32 @@
static int local_open(FsContext *ctx, V9fsPath *fs_path,
int flags, V9fsFidOpenState *fs)
{
- char *buffer;
- char *path = fs_path->data;
+ int fd;
- buffer = rpath(ctx, path);
- fs->fd = open(buffer, flags | O_NOFOLLOW);
- g_free(buffer);
+ fd = local_open_nofollow(ctx, fs_path->data, flags, 0);
+ if (fd == -1) {
+ return -1;
+ }
+ fs->fd = fd;
return fs->fd;
}
static int local_opendir(FsContext *ctx,
V9fsPath *fs_path, V9fsFidOpenState *fs)
{
- char *buffer;
- char *path = fs_path->data;
+ int dirfd;
+ DIR *stream;
- buffer = rpath(ctx, path);
- fs->dir.stream = opendir(buffer);
- g_free(buffer);
- if (!fs->dir.stream) {
+ dirfd = local_opendir_nofollow(ctx, fs_path->data);
+ if (dirfd == -1) {
return -1;
}
+
+ stream = fdopendir(dirfd);
+ if (!stream) {
+ return -1;
+ }
+ fs->dir.stream = stream;
return 0;
}
@@ -463,145 +526,122 @@
static int local_chmod(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
{
- char *buffer;
+ char *dirpath = g_path_get_dirname(fs_path->data);
+ char *name = g_path_get_basename(fs_path->data);
int ret = -1;
- char *path = fs_path->data;
+ int dirfd;
+
+ dirfd = local_opendir_nofollow(fs_ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
- buffer = rpath(fs_ctx, path);
- ret = local_set_xattr(buffer, credp);
- g_free(buffer);
+ ret = local_set_xattrat(dirfd, name, credp);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- return local_set_mapped_file_attr(fs_ctx, path, credp);
- } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
- (fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, path);
- ret = chmod(buffer, credp->fc_mode);
- g_free(buffer);
+ ret = local_set_mapped_file_attrat(dirfd, name, credp);
+ } else if (fs_ctx->export_flags & V9FS_SM_PASSTHROUGH ||
+ fs_ctx->export_flags & V9FS_SM_NONE) {
+ ret = fchmodat_nofollow(dirfd, name, credp->fc_mode);
}
+ close_preserve_errno(dirfd);
+
+out:
+ g_free(dirpath);
+ g_free(name);
return ret;
}
static int local_mknod(FsContext *fs_ctx, V9fsPath *dir_path,
const char *name, FsCred *credp)
{
- char *path;
int err = -1;
- int serrno = 0;
- V9fsString fullname;
- char *buffer = NULL;
+ int dirfd;
- v9fs_string_init(&fullname);
- v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
- path = fullname.data;
+ dirfd = local_opendir_nofollow(fs_ctx, dir_path->data);
+ if (dirfd == -1) {
+ return -1;
+ }
- /* Determine the security model */
- if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
- buffer = rpath(fs_ctx, path);
- err = mknod(buffer, SM_LOCAL_MODE_BITS|S_IFREG, 0);
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED ||
+ fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
+ err = mknodat(dirfd, name, SM_LOCAL_MODE_BITS | S_IFREG, 0);
if (err == -1) {
goto out;
}
- err = local_set_xattr(buffer, credp);
+
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
+ err = local_set_xattrat(dirfd, name, credp);
+ } else {
+ err = local_set_mapped_file_attrat(dirfd, name, credp);
+ }
if (err == -1) {
- serrno = errno;
goto err_end;
}
- } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
-
- buffer = rpath(fs_ctx, path);
- err = mknod(buffer, SM_LOCAL_MODE_BITS|S_IFREG, 0);
+ } else if (fs_ctx->export_flags & V9FS_SM_PASSTHROUGH ||
+ fs_ctx->export_flags & V9FS_SM_NONE) {
+ err = mknodat(dirfd, name, credp->fc_mode, credp->fc_rdev);
if (err == -1) {
goto out;
}
- err = local_set_mapped_file_attr(fs_ctx, path, credp);
+ err = local_set_cred_passthrough(fs_ctx, dirfd, name, credp);
if (err == -1) {
- serrno = errno;
- goto err_end;
- }
- } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
- (fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, path);
- err = mknod(buffer, credp->fc_mode, credp->fc_rdev);
- if (err == -1) {
- goto out;
- }
- err = local_post_create_passthrough(fs_ctx, path, credp);
- if (err == -1) {
- serrno = errno;
goto err_end;
}
}
goto out;
err_end:
- remove(buffer);
- errno = serrno;
+ unlinkat_preserve_errno(dirfd, name, 0);
out:
- g_free(buffer);
- v9fs_string_free(&fullname);
+ close_preserve_errno(dirfd);
return err;
}
static int local_mkdir(FsContext *fs_ctx, V9fsPath *dir_path,
const char *name, FsCred *credp)
{
- char *path;
int err = -1;
- int serrno = 0;
- V9fsString fullname;
- char *buffer = NULL;
+ int dirfd;
- v9fs_string_init(&fullname);
- v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
- path = fullname.data;
+ dirfd = local_opendir_nofollow(fs_ctx, dir_path->data);
+ if (dirfd == -1) {
+ return -1;
+ }
- /* Determine the security model */
- if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
- buffer = rpath(fs_ctx, path);
- err = mkdir(buffer, SM_LOCAL_DIR_MODE_BITS);
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED ||
+ fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
+ err = mkdirat(dirfd, name, SM_LOCAL_DIR_MODE_BITS);
if (err == -1) {
goto out;
}
- credp->fc_mode = credp->fc_mode|S_IFDIR;
- err = local_set_xattr(buffer, credp);
+ credp->fc_mode = credp->fc_mode | S_IFDIR;
+
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
+ err = local_set_xattrat(dirfd, name, credp);
+ } else {
+ err = local_set_mapped_file_attrat(dirfd, name, credp);
+ }
if (err == -1) {
- serrno = errno;
goto err_end;
}
- } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- buffer = rpath(fs_ctx, path);
- err = mkdir(buffer, SM_LOCAL_DIR_MODE_BITS);
+ } else if (fs_ctx->export_flags & V9FS_SM_PASSTHROUGH ||
+ fs_ctx->export_flags & V9FS_SM_NONE) {
+ err = mkdirat(dirfd, name, credp->fc_mode);
if (err == -1) {
goto out;
}
- credp->fc_mode = credp->fc_mode|S_IFDIR;
- err = local_set_mapped_file_attr(fs_ctx, path, credp);
+ err = local_set_cred_passthrough(fs_ctx, dirfd, name, credp);
if (err == -1) {
- serrno = errno;
- goto err_end;
- }
- } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
- (fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, path);
- err = mkdir(buffer, credp->fc_mode);
- if (err == -1) {
- goto out;
- }
- err = local_post_create_passthrough(fs_ctx, path, credp);
- if (err == -1) {
- serrno = errno;
goto err_end;
}
}
goto out;
err_end:
- remove(buffer);
- errno = serrno;
+ unlinkat_preserve_errno(dirfd, name, AT_REMOVEDIR);
out:
- g_free(buffer);
- v9fs_string_free(&fullname);
+ close_preserve_errno(dirfd);
return err;
}
@@ -649,62 +689,45 @@
static int local_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name,
int flags, FsCred *credp, V9fsFidOpenState *fs)
{
- char *path;
int fd = -1;
int err = -1;
- int serrno = 0;
- V9fsString fullname;
- char *buffer = NULL;
+ int dirfd;
/*
* Mark all the open to not follow symlinks
*/
flags |= O_NOFOLLOW;
- v9fs_string_init(&fullname);
- v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
- path = fullname.data;
+ dirfd = local_opendir_nofollow(fs_ctx, dir_path->data);
+ if (dirfd == -1) {
+ return -1;
+ }
/* Determine the security model */
- if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
- buffer = rpath(fs_ctx, path);
- fd = open(buffer, flags, SM_LOCAL_MODE_BITS);
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED ||
+ fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
+ fd = openat_file(dirfd, name, flags, SM_LOCAL_MODE_BITS);
if (fd == -1) {
- err = fd;
goto out;
}
credp->fc_mode = credp->fc_mode|S_IFREG;
- /* Set cleint credentials in xattr */
- err = local_set_xattr(buffer, credp);
- if (err == -1) {
- serrno = errno;
- goto err_end;
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
+ /* Set cleint credentials in xattr */
+ err = local_set_xattrat(dirfd, name, credp);
+ } else {
+ err = local_set_mapped_file_attrat(dirfd, name, credp);
}
- } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- buffer = rpath(fs_ctx, path);
- fd = open(buffer, flags, SM_LOCAL_MODE_BITS);
- if (fd == -1) {
- err = fd;
- goto out;
- }
- credp->fc_mode = credp->fc_mode|S_IFREG;
- /* Set client credentials in .virtfs_metadata directory files */
- err = local_set_mapped_file_attr(fs_ctx, path, credp);
if (err == -1) {
- serrno = errno;
goto err_end;
}
} else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, path);
- fd = open(buffer, flags, credp->fc_mode);
+ fd = openat_file(dirfd, name, flags, credp->fc_mode);
if (fd == -1) {
- err = fd;
goto out;
}
- err = local_post_create_passthrough(fs_ctx, path, credp);
+ err = local_set_cred_passthrough(fs_ctx, dirfd, name, credp);
if (err == -1) {
- serrno = errno;
goto err_end;
}
}
@@ -713,12 +736,11 @@
goto out;
err_end:
- close(fd);
- remove(buffer);
- errno = serrno;
+ unlinkat_preserve_errno(dirfd, name,
+ flags & O_DIRECTORY ? AT_REMOVEDIR : 0);
+ close_preserve_errno(fd);
out:
- g_free(buffer);
- v9fs_string_free(&fullname);
+ close_preserve_errno(dirfd);
return err;
}
@@ -727,23 +749,22 @@
V9fsPath *dir_path, const char *name, FsCred *credp)
{
int err = -1;
- int serrno = 0;
- char *newpath;
- V9fsString fullname;
- char *buffer = NULL;
+ int dirfd;
- v9fs_string_init(&fullname);
- v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
- newpath = fullname.data;
+ dirfd = local_opendir_nofollow(fs_ctx, dir_path->data);
+ if (dirfd == -1) {
+ return -1;
+ }
/* Determine the security model */
- if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED ||
+ fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
int fd;
ssize_t oldpath_size, write_size;
- buffer = rpath(fs_ctx, newpath);
- fd = open(buffer, O_CREAT|O_EXCL|O_RDWR|O_NOFOLLOW, SM_LOCAL_MODE_BITS);
+
+ fd = openat_file(dirfd, name, O_CREAT | O_EXCL | O_RDWR,
+ SM_LOCAL_MODE_BITS);
if (fd == -1) {
- err = fd;
goto out;
}
/* Write the oldpath (target) to the file. */
@@ -751,218 +772,204 @@
do {
write_size = write(fd, (void *)oldpath, oldpath_size);
} while (write_size == -1 && errno == EINTR);
+ close_preserve_errno(fd);
if (write_size != oldpath_size) {
- serrno = errno;
- close(fd);
- err = -1;
goto err_end;
}
- close(fd);
/* Set cleint credentials in symlink's xattr */
- credp->fc_mode = credp->fc_mode|S_IFLNK;
- err = local_set_xattr(buffer, credp);
- if (err == -1) {
- serrno = errno;
- goto err_end;
- }
- } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- int fd;
- ssize_t oldpath_size, write_size;
- buffer = rpath(fs_ctx, newpath);
- fd = open(buffer, O_CREAT|O_EXCL|O_RDWR|O_NOFOLLOW, SM_LOCAL_MODE_BITS);
- if (fd == -1) {
- err = fd;
- goto out;
- }
- /* Write the oldpath (target) to the file. */
- oldpath_size = strlen(oldpath);
- do {
- write_size = write(fd, (void *)oldpath, oldpath_size);
- } while (write_size == -1 && errno == EINTR);
+ credp->fc_mode = credp->fc_mode | S_IFLNK;
- if (write_size != oldpath_size) {
- serrno = errno;
- close(fd);
- err = -1;
- goto err_end;
+ if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
+ err = local_set_xattrat(dirfd, name, credp);
+ } else {
+ err = local_set_mapped_file_attrat(dirfd, name, credp);
}
- close(fd);
- /* Set cleint credentials in symlink's xattr */
- credp->fc_mode = credp->fc_mode|S_IFLNK;
- err = local_set_mapped_file_attr(fs_ctx, newpath, credp);
if (err == -1) {
- serrno = errno;
goto err_end;
}
- } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
- (fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, newpath);
- err = symlink(oldpath, buffer);
+ } else if (fs_ctx->export_flags & V9FS_SM_PASSTHROUGH ||
+ fs_ctx->export_flags & V9FS_SM_NONE) {
+ err = symlinkat(oldpath, dirfd, name);
if (err) {
goto out;
}
- err = lchown(buffer, credp->fc_uid, credp->fc_gid);
+ err = fchownat(dirfd, name, credp->fc_uid, credp->fc_gid,
+ AT_SYMLINK_NOFOLLOW);
if (err == -1) {
/*
* If we fail to change ownership and if we are
* using security model none. Ignore the error
*/
if ((fs_ctx->export_flags & V9FS_SEC_MASK) != V9FS_SM_NONE) {
- serrno = errno;
goto err_end;
- } else
+ } else {
err = 0;
+ }
}
}
goto out;
err_end:
- remove(buffer);
- errno = serrno;
+ unlinkat_preserve_errno(dirfd, name, 0);
out:
- g_free(buffer);
- v9fs_string_free(&fullname);
+ close_preserve_errno(dirfd);
return err;
}
static int local_link(FsContext *ctx, V9fsPath *oldpath,
V9fsPath *dirpath, const char *name)
{
- int ret;
- V9fsString newpath;
- char *buffer, *buffer1;
+ char *odirpath = g_path_get_dirname(oldpath->data);
+ char *oname = g_path_get_basename(oldpath->data);
+ int ret = -1;
+ int odirfd, ndirfd;
- v9fs_string_init(&newpath);
- v9fs_string_sprintf(&newpath, "%s/%s", dirpath->data, name);
+ odirfd = local_opendir_nofollow(ctx, odirpath);
+ if (odirfd == -1) {
+ goto out;
+ }
- buffer = rpath(ctx, oldpath->data);
- buffer1 = rpath(ctx, newpath.data);
- ret = link(buffer, buffer1);
- g_free(buffer);
- g_free(buffer1);
+ ndirfd = local_opendir_nofollow(ctx, dirpath->data);
+ if (ndirfd == -1) {
+ close_preserve_errno(odirfd);
+ goto out;
+ }
+
+ ret = linkat(odirfd, oname, ndirfd, name, 0);
+ if (ret < 0) {
+ goto out_close;
+ }
/* now link the virtfs_metadata files */
- if (!ret && (ctx->export_flags & V9FS_SM_MAPPED_FILE)) {
- /* Link the .virtfs_metadata files. Create the metada directory */
- ret = local_create_mapped_attr_dir(ctx, newpath.data);
- if (ret < 0) {
- goto err_out;
+ if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
+ int omap_dirfd, nmap_dirfd;
+
+ ret = mkdirat(ndirfd, VIRTFS_META_DIR, 0700);
+ if (ret < 0 && errno != EEXIST) {
+ goto err_undo_link;
}
- buffer = local_mapped_attr_path(ctx, oldpath->data);
- buffer1 = local_mapped_attr_path(ctx, newpath.data);
- ret = link(buffer, buffer1);
- g_free(buffer);
- g_free(buffer1);
+
+ omap_dirfd = openat_dir(odirfd, VIRTFS_META_DIR);
+ if (omap_dirfd == -1) {
+ goto err;
+ }
+
+ nmap_dirfd = openat_dir(ndirfd, VIRTFS_META_DIR);
+ if (nmap_dirfd == -1) {
+ close_preserve_errno(omap_dirfd);
+ goto err;
+ }
+
+ ret = linkat(omap_dirfd, oname, nmap_dirfd, name, 0);
+ close_preserve_errno(nmap_dirfd);
+ close_preserve_errno(omap_dirfd);
if (ret < 0 && errno != ENOENT) {
- goto err_out;
+ goto err_undo_link;
}
+
+ ret = 0;
}
-err_out:
- v9fs_string_free(&newpath);
+ goto out_close;
+
+err:
+ ret = -1;
+err_undo_link:
+ unlinkat_preserve_errno(ndirfd, name, 0);
+out_close:
+ close_preserve_errno(ndirfd);
+ close_preserve_errno(odirfd);
+out:
+ g_free(oname);
+ g_free(odirpath);
return ret;
}
static int local_truncate(FsContext *ctx, V9fsPath *fs_path, off_t size)
{
- char *buffer;
- int ret;
- char *path = fs_path->data;
+ int fd, ret;
- buffer = rpath(ctx, path);
- ret = truncate(buffer, size);
- g_free(buffer);
- return ret;
-}
-
-static int local_rename(FsContext *ctx, const char *oldpath,
- const char *newpath)
-{
- int err;
- char *buffer, *buffer1;
-
- if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- err = local_create_mapped_attr_dir(ctx, newpath);
- if (err < 0) {
- return err;
- }
- /* rename the .virtfs_metadata files */
- buffer = local_mapped_attr_path(ctx, oldpath);
- buffer1 = local_mapped_attr_path(ctx, newpath);
- err = rename(buffer, buffer1);
- g_free(buffer);
- g_free(buffer1);
- if (err < 0 && errno != ENOENT) {
- return err;
- }
+ fd = local_open_nofollow(ctx, fs_path->data, O_WRONLY, 0);
+ if (fd == -1) {
+ return -1;
}
-
- buffer = rpath(ctx, oldpath);
- buffer1 = rpath(ctx, newpath);
- err = rename(buffer, buffer1);
- g_free(buffer);
- g_free(buffer1);
- return err;
+ ret = ftruncate(fd, size);
+ close_preserve_errno(fd);
+ return ret;
}
static int local_chown(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
{
- char *buffer;
+ char *dirpath = g_path_get_dirname(fs_path->data);
+ char *name = g_path_get_basename(fs_path->data);
int ret = -1;
- char *path = fs_path->data;
+ int dirfd;
+
+ dirfd = local_opendir_nofollow(fs_ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
if ((credp->fc_uid == -1 && credp->fc_gid == -1) ||
(fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, path);
- ret = lchown(buffer, credp->fc_uid, credp->fc_gid);
- g_free(buffer);
+ ret = fchownat(dirfd, name, credp->fc_uid, credp->fc_gid,
+ AT_SYMLINK_NOFOLLOW);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
- buffer = rpath(fs_ctx, path);
- ret = local_set_xattr(buffer, credp);
- g_free(buffer);
+ ret = local_set_xattrat(dirfd, name, credp);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- return local_set_mapped_file_attr(fs_ctx, path, credp);
+ ret = local_set_mapped_file_attrat(dirfd, name, credp);
}
+
+ close_preserve_errno(dirfd);
+out:
+ g_free(name);
+ g_free(dirpath);
return ret;
}
static int local_utimensat(FsContext *s, V9fsPath *fs_path,
const struct timespec *buf)
{
- char *buffer;
- int ret;
- char *path = fs_path->data;
+ char *dirpath = g_path_get_dirname(fs_path->data);
+ char *name = g_path_get_basename(fs_path->data);
+ int dirfd, ret = -1;
- buffer = rpath(s, path);
- ret = qemu_utimens(buffer, buf);
- g_free(buffer);
+ dirfd = local_opendir_nofollow(s, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
+
+ ret = utimensat(dirfd, name, buf, AT_SYMLINK_NOFOLLOW);
+ close_preserve_errno(dirfd);
+out:
+ g_free(dirpath);
+ g_free(name);
return ret;
}
-static int local_remove(FsContext *ctx, const char *path)
+static int local_unlinkat_common(FsContext *ctx, int dirfd, const char *name,
+ int flags)
{
- int err;
- struct stat stbuf;
- char *buffer;
+ int ret = -1;
if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- buffer = rpath(ctx, path);
- err = lstat(buffer, &stbuf);
- g_free(buffer);
- if (err) {
- goto err_out;
- }
- /*
- * If directory remove .virtfs_metadata contained in the
- * directory
- */
- if (S_ISDIR(stbuf.st_mode)) {
- buffer = g_strdup_printf("%s/%s/%s", ctx->fs_root,
- path, VIRTFS_META_DIR);
- err = remove(buffer);
- g_free(buffer);
- if (err < 0 && errno != ENOENT) {
+ int map_dirfd;
+
+ if (flags == AT_REMOVEDIR) {
+ int fd;
+
+ fd = openat(dirfd, name, O_RDONLY | O_DIRECTORY | O_PATH);
+ if (fd == -1) {
+ goto err_out;
+ }
+ /*
+ * If directory remove .virtfs_metadata contained in the
+ * directory
+ */
+ ret = unlinkat(fd, VIRTFS_META_DIR, AT_REMOVEDIR);
+ close_preserve_errno(fd);
+ if (ret < 0 && errno != ENOENT) {
/*
* We didn't had the .virtfs_metadata file. May be file created
* in non-mapped mode ?. Ignore ENOENT.
@@ -972,12 +979,12 @@
}
/*
* Now remove the name from parent directory
- * .virtfs_metadata directory
+ * .virtfs_metadata directory.
*/
- buffer = local_mapped_attr_path(ctx, path);
- err = remove(buffer);
- g_free(buffer);
- if (err < 0 && errno != ENOENT) {
+ map_dirfd = openat_dir(dirfd, VIRTFS_META_DIR);
+ ret = unlinkat(map_dirfd, name, 0);
+ close_preserve_errno(map_dirfd);
+ if (ret < 0 && errno != ENOENT) {
/*
* We didn't had the .virtfs_metadata file. May be file created
* in non-mapped mode ?. Ignore ENOENT.
@@ -986,10 +993,39 @@
}
}
- buffer = rpath(ctx, path);
- err = remove(buffer);
- g_free(buffer);
+ ret = unlinkat(dirfd, name, flags);
err_out:
+ return ret;
+}
+
+static int local_remove(FsContext *ctx, const char *path)
+{
+ struct stat stbuf;
+ char *dirpath = g_path_get_dirname(path);
+ char *name = g_path_get_basename(path);
+ int flags = 0;
+ int dirfd;
+ int err = -1;
+
+ dirfd = local_opendir_nofollow(ctx, dirpath);
+ if (dirfd) {
+ goto out;
+ }
+
+ if (fstatat(dirfd, path, &stbuf, AT_SYMLINK_NOFOLLOW) < 0) {
+ goto err_out;
+ }
+
+ if (S_ISDIR(stbuf.st_mode)) {
+ flags |= AT_REMOVEDIR;
+ }
+
+ err = local_unlinkat_common(ctx, dirfd, name, flags);
+err_out:
+ close_preserve_errno(dirfd);
+out:
+ g_free(name);
+ g_free(dirpath);
return err;
}
@@ -1013,13 +1049,11 @@
static int local_statfs(FsContext *s, V9fsPath *fs_path, struct statfs *stbuf)
{
- char *buffer;
- int ret;
- char *path = fs_path->data;
+ int fd, ret;
- buffer = rpath(s, path);
- ret = statfs(buffer, stbuf);
- g_free(buffer);
+ fd = local_open_nofollow(s, fs_path->data, O_RDONLY, 0);
+ ret = fstatfs(fd, stbuf);
+ close_preserve_errno(fd);
return ret;
}
@@ -1071,70 +1105,105 @@
const char *new_name)
{
int ret;
- V9fsString old_full_name, new_full_name;
+ int odirfd, ndirfd;
- v9fs_string_init(&old_full_name);
- v9fs_string_init(&new_full_name);
+ odirfd = local_opendir_nofollow(ctx, olddir->data);
+ if (odirfd == -1) {
+ return -1;
+ }
- v9fs_string_sprintf(&old_full_name, "%s/%s", olddir->data, old_name);
- v9fs_string_sprintf(&new_full_name, "%s/%s", newdir->data, new_name);
+ ndirfd = local_opendir_nofollow(ctx, newdir->data);
+ if (ndirfd == -1) {
+ close_preserve_errno(odirfd);
+ return -1;
+ }
- ret = local_rename(ctx, old_full_name.data, new_full_name.data);
- v9fs_string_free(&old_full_name);
- v9fs_string_free(&new_full_name);
+ ret = renameat(odirfd, old_name, ndirfd, new_name);
+ if (ret < 0) {
+ goto out;
+ }
+
+ if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
+ int omap_dirfd, nmap_dirfd;
+
+ ret = mkdirat(ndirfd, VIRTFS_META_DIR, 0700);
+ if (ret < 0 && errno != EEXIST) {
+ goto err_undo_rename;
+ }
+
+ omap_dirfd = openat_dir(odirfd, VIRTFS_META_DIR);
+ if (omap_dirfd == -1) {
+ goto err;
+ }
+
+ nmap_dirfd = openat_dir(ndirfd, VIRTFS_META_DIR);
+ if (nmap_dirfd == -1) {
+ close_preserve_errno(omap_dirfd);
+ goto err;
+ }
+
+ /* rename the .virtfs_metadata files */
+ ret = renameat(omap_dirfd, old_name, nmap_dirfd, new_name);
+ close_preserve_errno(nmap_dirfd);
+ close_preserve_errno(omap_dirfd);
+ if (ret < 0 && errno != ENOENT) {
+ goto err_undo_rename;
+ }
+
+ ret = 0;
+ }
+ goto out;
+
+err:
+ ret = -1;
+err_undo_rename:
+ renameat_preserve_errno(ndirfd, new_name, odirfd, old_name);
+out:
+ close_preserve_errno(ndirfd);
+ close_preserve_errno(odirfd);
return ret;
}
+static void v9fs_path_init_dirname(V9fsPath *path, const char *str)
+{
+ path->data = g_path_get_dirname(str);
+ path->size = strlen(path->data) + 1;
+}
+
+static int local_rename(FsContext *ctx, const char *oldpath,
+ const char *newpath)
+{
+ int err;
+ char *oname = g_path_get_basename(oldpath);
+ char *nname = g_path_get_basename(newpath);
+ V9fsPath olddir, newdir;
+
+ v9fs_path_init_dirname(&olddir, oldpath);
+ v9fs_path_init_dirname(&newdir, newpath);
+
+ err = local_renameat(ctx, &olddir, oname, &newdir, nname);
+
+ v9fs_path_free(&newdir);
+ v9fs_path_free(&olddir);
+ g_free(nname);
+ g_free(oname);
+
+ return err;
+}
+
static int local_unlinkat(FsContext *ctx, V9fsPath *dir,
const char *name, int flags)
{
int ret;
- V9fsString fullname;
- char *buffer;
+ int dirfd;
- v9fs_string_init(&fullname);
-
- v9fs_string_sprintf(&fullname, "%s/%s", dir->data, name);
- if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- if (flags == AT_REMOVEDIR) {
- /*
- * If directory remove .virtfs_metadata contained in the
- * directory
- */
- buffer = g_strdup_printf("%s/%s/%s", ctx->fs_root,
- fullname.data, VIRTFS_META_DIR);
- ret = remove(buffer);
- g_free(buffer);
- if (ret < 0 && errno != ENOENT) {
- /*
- * We didn't had the .virtfs_metadata file. May be file created
- * in non-mapped mode ?. Ignore ENOENT.
- */
- goto err_out;
- }
- }
- /*
- * Now remove the name from parent directory
- * .virtfs_metadata directory.
- */
- buffer = local_mapped_attr_path(ctx, fullname.data);
- ret = remove(buffer);
- g_free(buffer);
- if (ret < 0 && errno != ENOENT) {
- /*
- * We didn't had the .virtfs_metadata file. May be file created
- * in non-mapped mode ?. Ignore ENOENT.
- */
- goto err_out;
- }
+ dirfd = local_opendir_nofollow(ctx, dir->data);
+ if (dirfd == -1) {
+ return -1;
}
- /* Remove the name finally */
- buffer = rpath(ctx, fullname.data);
- ret = remove(buffer);
- g_free(buffer);
-err_out:
- v9fs_string_free(&fullname);
+ ret = local_unlinkat_common(ctx, dirfd, name, flags);
+ close_preserve_errno(dirfd);
return ret;
}
@@ -1168,8 +1237,31 @@
static int local_init(FsContext *ctx)
{
- int err = 0;
struct statfs stbuf;
+ LocalData *data = g_malloc(sizeof(*data));
+
+ data->mountfd = open(ctx->fs_root, O_DIRECTORY | O_RDONLY);
+ if (data->mountfd == -1) {
+ goto err;
+ }
+
+#ifdef FS_IOC_GETVERSION
+ /*
+ * use ioc_getversion only if the ioctl is definied
+ */
+ if (fstatfs(data->mountfd, &stbuf) < 0) {
+ close_preserve_errno(data->mountfd);
+ goto err;
+ }
+ switch (stbuf.f_type) {
+ case EXT2_SUPER_MAGIC:
+ case BTRFS_SUPER_MAGIC:
+ case REISERFS_SUPER_MAGIC:
+ case XFS_SUPER_MAGIC:
+ ctx->exops.get_st_gen = local_ioc_getversion;
+ break;
+ }
+#endif
if (ctx->export_flags & V9FS_SM_PASSTHROUGH) {
ctx->xops = passthrough_xattr_ops;
@@ -1185,23 +1277,21 @@
ctx->xops = passthrough_xattr_ops;
}
ctx->export_flags |= V9FS_PATHNAME_FSCONTEXT;
-#ifdef FS_IOC_GETVERSION
- /*
- * use ioc_getversion only if the iocl is definied
- */
- err = statfs(ctx->fs_root, &stbuf);
- if (!err) {
- switch (stbuf.f_type) {
- case EXT2_SUPER_MAGIC:
- case BTRFS_SUPER_MAGIC:
- case REISERFS_SUPER_MAGIC:
- case XFS_SUPER_MAGIC:
- ctx->exops.get_st_gen = local_ioc_getversion;
- break;
- }
- }
-#endif
- return err;
+
+ ctx->private = data;
+ return 0;
+
+err:
+ g_free(data);
+ return -1;
+}
+
+static void local_cleanup(FsContext *ctx)
+{
+ LocalData *data = ctx->private;
+
+ close(data->mountfd);
+ g_free(data);
}
static int local_parse_opts(QemuOpts *opts, struct FsDriverEntry *fse)
@@ -1252,6 +1342,7 @@
FileOperations local_ops = {
.parse_opts = local_parse_opts,
.init = local_init,
+ .cleanup = local_cleanup,
.lstat = local_lstat,
.readlink = local_readlink,
.close = local_close,
diff --git a/hw/9pfs/9p-local.h b/hw/9pfs/9p-local.h
new file mode 100644
index 0000000..32c7274
--- /dev/null
+++ b/hw/9pfs/9p-local.h
@@ -0,0 +1,20 @@
+/*
+ * 9p local backend utilities
+ *
+ * Copyright IBM, Corp. 2017
+ *
+ * Authors:
+ * Greg Kurz <groug@kaod.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_9P_LOCAL_H
+#define QEMU_9P_LOCAL_H
+
+int local_open_nofollow(FsContext *fs_ctx, const char *path, int flags,
+ mode_t mode);
+int local_opendir_nofollow(FsContext *fs_ctx, const char *path);
+
+#endif
diff --git a/hw/9pfs/9p-posix-acl.c b/hw/9pfs/9p-posix-acl.c
index ec00318..bbf8906 100644
--- a/hw/9pfs/9p-posix-acl.c
+++ b/hw/9pfs/9p-posix-acl.c
@@ -25,13 +25,7 @@
static ssize_t mp_pacl_getxattr(FsContext *ctx, const char *path,
const char *name, void *value, size_t size)
{
- char *buffer;
- ssize_t ret;
-
- buffer = rpath(ctx, path);
- ret = lgetxattr(buffer, MAP_ACL_ACCESS, value, size);
- g_free(buffer);
- return ret;
+ return local_getxattr_nofollow(ctx, path, MAP_ACL_ACCESS, value, size);
}
static ssize_t mp_pacl_listxattr(FsContext *ctx, const char *path,
@@ -56,23 +50,16 @@
static int mp_pacl_setxattr(FsContext *ctx, const char *path, const char *name,
void *value, size_t size, int flags)
{
- char *buffer;
- int ret;
-
- buffer = rpath(ctx, path);
- ret = lsetxattr(buffer, MAP_ACL_ACCESS, value, size, flags);
- g_free(buffer);
- return ret;
+ return local_setxattr_nofollow(ctx, path, MAP_ACL_ACCESS, value, size,
+ flags);
}
static int mp_pacl_removexattr(FsContext *ctx,
const char *path, const char *name)
{
int ret;
- char *buffer;
- buffer = rpath(ctx, path);
- ret = lremovexattr(buffer, MAP_ACL_ACCESS);
+ ret = local_removexattr_nofollow(ctx, path, MAP_ACL_ACCESS);
if (ret == -1 && errno == ENODATA) {
/*
* We don't get ENODATA error when trying to remove a
@@ -82,20 +69,13 @@
errno = 0;
ret = 0;
}
- g_free(buffer);
return ret;
}
static ssize_t mp_dacl_getxattr(FsContext *ctx, const char *path,
const char *name, void *value, size_t size)
{
- char *buffer;
- ssize_t ret;
-
- buffer = rpath(ctx, path);
- ret = lgetxattr(buffer, MAP_ACL_DEFAULT, value, size);
- g_free(buffer);
- return ret;
+ return local_getxattr_nofollow(ctx, path, MAP_ACL_DEFAULT, value, size);
}
static ssize_t mp_dacl_listxattr(FsContext *ctx, const char *path,
@@ -120,23 +100,16 @@
static int mp_dacl_setxattr(FsContext *ctx, const char *path, const char *name,
void *value, size_t size, int flags)
{
- char *buffer;
- int ret;
-
- buffer = rpath(ctx, path);
- ret = lsetxattr(buffer, MAP_ACL_DEFAULT, value, size, flags);
- g_free(buffer);
- return ret;
+ return local_setxattr_nofollow(ctx, path, MAP_ACL_DEFAULT, value, size,
+ flags);
}
static int mp_dacl_removexattr(FsContext *ctx,
const char *path, const char *name)
{
int ret;
- char *buffer;
- buffer = rpath(ctx, path);
- ret = lremovexattr(buffer, MAP_ACL_DEFAULT);
+ ret = local_removexattr_nofollow(ctx, path, MAP_ACL_DEFAULT);
if (ret == -1 && errno == ENODATA) {
/*
* We don't get ENODATA error when trying to remove a
@@ -146,7 +119,6 @@
errno = 0;
ret = 0;
}
- g_free(buffer);
return ret;
}
diff --git a/hw/9pfs/9p-util.c b/hw/9pfs/9p-util.c
new file mode 100644
index 0000000..fdb4d57
--- /dev/null
+++ b/hw/9pfs/9p-util.c
@@ -0,0 +1,69 @@
+/*
+ * 9p utilities
+ *
+ * Copyright IBM, Corp. 2017
+ *
+ * Authors:
+ * Greg Kurz <groug@kaod.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/xattr.h"
+#include "9p-util.h"
+
+int relative_openat_nofollow(int dirfd, const char *path, int flags,
+ mode_t mode)
+{
+ int fd;
+
+ fd = dup(dirfd);
+ if (fd == -1) {
+ return -1;
+ }
+
+ while (*path) {
+ const char *c;
+ int next_fd;
+ char *head;
+
+ /* Only relative paths without consecutive slashes */
+ assert(path[0] != '/');
+
+ head = g_strdup(path);
+ c = strchr(path, '/');
+ if (c) {
+ head[c - path] = 0;
+ next_fd = openat_dir(fd, head);
+ } else {
+ next_fd = openat_file(fd, head, flags, mode);
+ }
+ g_free(head);
+ if (next_fd == -1) {
+ close_preserve_errno(fd);
+ return -1;
+ }
+ close(fd);
+ fd = next_fd;
+
+ if (!c) {
+ break;
+ }
+ path = c + 1;
+ }
+
+ return fd;
+}
+
+ssize_t fgetxattrat_nofollow(int dirfd, const char *filename, const char *name,
+ void *value, size_t size)
+{
+ char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
+ int ret;
+
+ ret = lgetxattr(proc_path, name, value, size);
+ g_free(proc_path);
+ return ret;
+}
diff --git a/hw/9pfs/9p-util.h b/hw/9pfs/9p-util.h
new file mode 100644
index 0000000..091f3ce
--- /dev/null
+++ b/hw/9pfs/9p-util.h
@@ -0,0 +1,54 @@
+/*
+ * 9p utilities
+ *
+ * Copyright IBM, Corp. 2017
+ *
+ * Authors:
+ * Greg Kurz <groug@kaod.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_9P_UTIL_H
+#define QEMU_9P_UTIL_H
+
+static inline void close_preserve_errno(int fd)
+{
+ int serrno = errno;
+ close(fd);
+ errno = serrno;
+}
+
+static inline int openat_dir(int dirfd, const char *name)
+{
+ return openat(dirfd, name, O_DIRECTORY | O_RDONLY | O_PATH);
+}
+
+static inline int openat_file(int dirfd, const char *name, int flags,
+ mode_t mode)
+{
+ int fd, serrno, ret;
+
+ fd = openat(dirfd, name, flags | O_NOFOLLOW | O_NOCTTY | O_NONBLOCK,
+ mode);
+ if (fd == -1) {
+ return -1;
+ }
+
+ serrno = errno;
+ /* O_NONBLOCK was only needed to open the file. Let's drop it. */
+ ret = fcntl(fd, F_SETFL, flags);
+ assert(!ret);
+ errno = serrno;
+ return fd;
+}
+
+int relative_openat_nofollow(int dirfd, const char *path, int flags,
+ mode_t mode);
+ssize_t fgetxattrat_nofollow(int dirfd, const char *path, const char *name,
+ void *value, size_t size);
+int fsetxattrat_nofollow(int dirfd, const char *path, const char *name,
+ void *value, size_t size, int flags);
+
+#endif
diff --git a/hw/9pfs/9p-xattr-user.c b/hw/9pfs/9p-xattr-user.c
index f87530c..2c90817 100644
--- a/hw/9pfs/9p-xattr-user.c
+++ b/hw/9pfs/9p-xattr-user.c
@@ -20,9 +20,6 @@
static ssize_t mp_user_getxattr(FsContext *ctx, const char *path,
const char *name, void *value, size_t size)
{
- char *buffer;
- ssize_t ret;
-
if (strncmp(name, "user.virtfs.", 12) == 0) {
/*
* Don't allow fetch of user.virtfs namesapce
@@ -31,10 +28,7 @@
errno = ENOATTR;
return -1;
}
- buffer = rpath(ctx, path);
- ret = lgetxattr(buffer, name, value, size);
- g_free(buffer);
- return ret;
+ return local_getxattr_nofollow(ctx, path, name, value, size);
}
static ssize_t mp_user_listxattr(FsContext *ctx, const char *path,
@@ -73,9 +67,6 @@
static int mp_user_setxattr(FsContext *ctx, const char *path, const char *name,
void *value, size_t size, int flags)
{
- char *buffer;
- int ret;
-
if (strncmp(name, "user.virtfs.", 12) == 0) {
/*
* Don't allow fetch of user.virtfs namesapce
@@ -84,18 +75,12 @@
errno = EACCES;
return -1;
}
- buffer = rpath(ctx, path);
- ret = lsetxattr(buffer, name, value, size, flags);
- g_free(buffer);
- return ret;
+ return local_setxattr_nofollow(ctx, path, name, value, size, flags);
}
static int mp_user_removexattr(FsContext *ctx,
const char *path, const char *name)
{
- char *buffer;
- int ret;
-
if (strncmp(name, "user.virtfs.", 12) == 0) {
/*
* Don't allow fetch of user.virtfs namesapce
@@ -104,10 +89,7 @@
errno = EACCES;
return -1;
}
- buffer = rpath(ctx, path);
- ret = lremovexattr(buffer, name);
- g_free(buffer);
- return ret;
+ return local_removexattr_nofollow(ctx, path, name);
}
XattrOperations mapped_user_xattr = {
diff --git a/hw/9pfs/9p-xattr.c b/hw/9pfs/9p-xattr.c
index 5d8595e..eec160b 100644
--- a/hw/9pfs/9p-xattr.c
+++ b/hw/9pfs/9p-xattr.c
@@ -15,6 +15,8 @@
#include "9p.h"
#include "fsdev/file-op-9p.h"
#include "9p-xattr.h"
+#include "9p-util.h"
+#include "9p-local.h"
static XattrOperations *get_xattr_operations(XattrOperations **h,
@@ -58,6 +60,16 @@
return name_size;
}
+static ssize_t flistxattrat_nofollow(int dirfd, const char *filename,
+ char *list, size_t size)
+{
+ char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
+ int ret;
+
+ ret = llistxattr(proc_path, list, size);
+ g_free(proc_path);
+ return ret;
+}
/*
* Get the list and pass to each layer to find out whether
@@ -67,24 +79,37 @@
void *value, size_t vsize)
{
ssize_t size = 0;
- char *buffer;
void *ovalue = value;
XattrOperations *xops;
char *orig_value, *orig_value_start;
ssize_t xattr_len, parsed_len = 0, attr_len;
+ char *dirpath, *name;
+ int dirfd;
/* Get the actual len */
- buffer = rpath(ctx, path);
- xattr_len = llistxattr(buffer, value, 0);
+ dirpath = g_path_get_dirname(path);
+ dirfd = local_opendir_nofollow(ctx, dirpath);
+ g_free(dirpath);
+ if (dirfd == -1) {
+ return -1;
+ }
+
+ name = g_path_get_basename(path);
+ xattr_len = flistxattrat_nofollow(dirfd, name, value, 0);
if (xattr_len <= 0) {
- g_free(buffer);
+ g_free(name);
+ close_preserve_errno(dirfd);
return xattr_len;
}
/* Now fetch the xattr and find the actual size */
orig_value = g_malloc(xattr_len);
- xattr_len = llistxattr(buffer, orig_value, xattr_len);
- g_free(buffer);
+ xattr_len = flistxattrat_nofollow(dirfd, name, orig_value, xattr_len);
+ g_free(name);
+ close_preserve_errno(dirfd);
+ if (xattr_len < 0) {
+ return -1;
+ }
/* store the orig pointer */
orig_value_start = orig_value;
@@ -143,6 +168,135 @@
}
+ssize_t local_getxattr_nofollow(FsContext *ctx, const char *path,
+ const char *name, void *value, size_t size)
+{
+ char *dirpath = g_path_get_dirname(path);
+ char *filename = g_path_get_basename(path);
+ int dirfd;
+ ssize_t ret = -1;
+
+ dirfd = local_opendir_nofollow(ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
+
+ ret = fgetxattrat_nofollow(dirfd, filename, name, value, size);
+ close_preserve_errno(dirfd);
+out:
+ g_free(dirpath);
+ g_free(filename);
+ return ret;
+}
+
+ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size)
+{
+ return local_getxattr_nofollow(ctx, path, name, value, size);
+}
+
+int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name,
+ void *value, size_t size, int flags)
+{
+ char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
+ int ret;
+
+ ret = lsetxattr(proc_path, name, value, size, flags);
+ g_free(proc_path);
+ return ret;
+}
+
+ssize_t local_setxattr_nofollow(FsContext *ctx, const char *path,
+ const char *name, void *value, size_t size,
+ int flags)
+{
+ char *dirpath = g_path_get_dirname(path);
+ char *filename = g_path_get_basename(path);
+ int dirfd;
+ ssize_t ret = -1;
+
+ dirfd = local_opendir_nofollow(ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
+
+ ret = fsetxattrat_nofollow(dirfd, filename, name, value, size, flags);
+ close_preserve_errno(dirfd);
+out:
+ g_free(dirpath);
+ g_free(filename);
+ return ret;
+}
+
+int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
+ size_t size, int flags)
+{
+ return local_setxattr_nofollow(ctx, path, name, value, size, flags);
+}
+
+static ssize_t fremovexattrat_nofollow(int dirfd, const char *filename,
+ const char *name)
+{
+ char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
+ int ret;
+
+ ret = lremovexattr(proc_path, name);
+ g_free(proc_path);
+ return ret;
+}
+
+ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path,
+ const char *name)
+{
+ char *dirpath = g_path_get_dirname(path);
+ char *filename = g_path_get_basename(path);
+ int dirfd;
+ ssize_t ret = -1;
+
+ dirfd = local_opendir_nofollow(ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
+
+ ret = fremovexattrat_nofollow(dirfd, filename, name);
+ close_preserve_errno(dirfd);
+out:
+ g_free(dirpath);
+ g_free(filename);
+ return ret;
+}
+
+int pt_removexattr(FsContext *ctx, const char *path, const char *name)
+{
+ return local_removexattr_nofollow(ctx, path, name);
+}
+
+ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+int notsup_setxattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size, int flags)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name,
+ void *value, size_t size)
+{
+ return 0;
+}
+
+int notsup_removexattr(FsContext *ctx, const char *path, const char *name)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
XattrOperations *mapped_xattr_ops[] = {
&mapped_user_xattr,
&mapped_pacl_xattr,
diff --git a/hw/9pfs/9p-xattr.h b/hw/9pfs/9p-xattr.h
index a853ea6..0d83996 100644
--- a/hw/9pfs/9p-xattr.h
+++ b/hw/9pfs/9p-xattr.h
@@ -29,6 +29,13 @@
const char *path, const char *name);
} XattrOperations;
+ssize_t local_getxattr_nofollow(FsContext *ctx, const char *path,
+ const char *name, void *value, size_t size);
+ssize_t local_setxattr_nofollow(FsContext *ctx, const char *path,
+ const char *name, void *value, size_t size,
+ int flags);
+ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path,
+ const char *name);
extern XattrOperations mapped_user_xattr;
extern XattrOperations passthrough_user_xattr;
@@ -49,73 +56,21 @@
int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
void *value, size_t size, int flags);
int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name);
+
ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value,
size_t size);
+ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size);
+int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
+ size_t size, int flags);
+int pt_removexattr(FsContext *ctx, const char *path, const char *name);
-static inline ssize_t pt_getxattr(FsContext *ctx, const char *path,
- const char *name, void *value, size_t size)
-{
- char *buffer;
- ssize_t ret;
-
- buffer = rpath(ctx, path);
- ret = lgetxattr(buffer, name, value, size);
- g_free(buffer);
- return ret;
-}
-
-static inline int pt_setxattr(FsContext *ctx, const char *path,
- const char *name, void *value,
- size_t size, int flags)
-{
- char *buffer;
- int ret;
-
- buffer = rpath(ctx, path);
- ret = lsetxattr(buffer, name, value, size, flags);
- g_free(buffer);
- return ret;
-}
-
-static inline int pt_removexattr(FsContext *ctx,
- const char *path, const char *name)
-{
- char *buffer;
- int ret;
-
- buffer = rpath(ctx, path);
- ret = lremovexattr(path, name);
- g_free(buffer);
- return ret;
-}
-
-static inline ssize_t notsup_getxattr(FsContext *ctx, const char *path,
- const char *name, void *value,
- size_t size)
-{
- errno = ENOTSUP;
- return -1;
-}
-
-static inline int notsup_setxattr(FsContext *ctx, const char *path,
- const char *name, void *value,
- size_t size, int flags)
-{
- errno = ENOTSUP;
- return -1;
-}
-
-static inline ssize_t notsup_listxattr(FsContext *ctx, const char *path,
- char *name, void *value, size_t size)
-{
- return 0;
-}
-
-static inline int notsup_removexattr(FsContext *ctx,
- const char *path, const char *name)
-{
- errno = ENOTSUP;
- return -1;
-}
+ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size);
+int notsup_setxattr(FsContext *ctx, const char *path, const char *name,
+ void *value, size_t size, int flags);
+ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name,
+ void *value, size_t size);
+int notsup_removexattr(FsContext *ctx, const char *path, const char *name);
#endif
diff --git a/hw/9pfs/Makefile.objs b/hw/9pfs/Makefile.objs
index da0ae0c..32197e6 100644
--- a/hw/9pfs/Makefile.objs
+++ b/hw/9pfs/Makefile.objs
@@ -1,4 +1,4 @@
-common-obj-y = 9p.o
+common-obj-y = 9p.o 9p-util.o
common-obj-y += 9p-local.o 9p-xattr.o
common-obj-y += 9p-xattr-user.o 9p-posix-acl.o
common-obj-y += coth.o cofs.o codir.o cofile.o
diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
index 0c9ca7b..c8a11f2 100644
--- a/hw/arm/armv7m.c
+++ b/hw/arm/armv7m.c
@@ -8,6 +8,7 @@
*/
#include "qemu/osdep.h"
+#include "hw/arm/armv7m.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
@@ -17,148 +18,261 @@
#include "elf.h"
#include "sysemu/qtest.h"
#include "qemu/error-report.h"
+#include "exec/address-spaces.h"
/* Bitbanded IO. Each word corresponds to a single bit. */
/* Get the byte address of the real memory for a bitband access. */
-static inline uint32_t bitband_addr(void * opaque, uint32_t addr)
+static inline hwaddr bitband_addr(BitBandState *s, hwaddr offset)
{
- uint32_t res;
-
- res = *(uint32_t *)opaque;
- res |= (addr & 0x1ffffff) >> 5;
- return res;
-
+ return s->base | (offset & 0x1ffffff) >> 5;
}
-static uint32_t bitband_readb(void *opaque, hwaddr offset)
+static MemTxResult bitband_read(void *opaque, hwaddr offset,
+ uint64_t *data, unsigned size, MemTxAttrs attrs)
{
- uint8_t v;
- cpu_physical_memory_read(bitband_addr(opaque, offset), &v, 1);
- return (v & (1 << ((offset >> 2) & 7))) != 0;
+ BitBandState *s = opaque;
+ uint8_t buf[4];
+ MemTxResult res;
+ int bitpos, bit;
+ hwaddr addr;
+
+ assert(size <= 4);
+
+ /* Find address in underlying memory and round down to multiple of size */
+ addr = bitband_addr(s, offset) & (-size);
+ res = address_space_read(s->source_as, addr, attrs, buf, size);
+ if (res) {
+ return res;
+ }
+ /* Bit position in the N bytes read... */
+ bitpos = (offset >> 2) & ((size * 8) - 1);
+ /* ...converted to byte in buffer and bit in byte */
+ bit = (buf[bitpos >> 3] >> (bitpos & 7)) & 1;
+ *data = bit;
+ return MEMTX_OK;
}
-static void bitband_writeb(void *opaque, hwaddr offset,
- uint32_t value)
+static MemTxResult bitband_write(void *opaque, hwaddr offset, uint64_t value,
+ unsigned size, MemTxAttrs attrs)
{
- uint32_t addr;
- uint8_t mask;
- uint8_t v;
- addr = bitband_addr(opaque, offset);
- mask = (1 << ((offset >> 2) & 7));
- cpu_physical_memory_read(addr, &v, 1);
- if (value & 1)
- v |= mask;
- else
- v &= ~mask;
- cpu_physical_memory_write(addr, &v, 1);
-}
+ BitBandState *s = opaque;
+ uint8_t buf[4];
+ MemTxResult res;
+ int bitpos, bit;
+ hwaddr addr;
-static uint32_t bitband_readw(void *opaque, hwaddr offset)
-{
- uint32_t addr;
- uint16_t mask;
- uint16_t v;
- addr = bitband_addr(opaque, offset) & ~1;
- mask = (1 << ((offset >> 2) & 15));
- mask = tswap16(mask);
- cpu_physical_memory_read(addr, &v, 2);
- return (v & mask) != 0;
-}
+ assert(size <= 4);
-static void bitband_writew(void *opaque, hwaddr offset,
- uint32_t value)
-{
- uint32_t addr;
- uint16_t mask;
- uint16_t v;
- addr = bitband_addr(opaque, offset) & ~1;
- mask = (1 << ((offset >> 2) & 15));
- mask = tswap16(mask);
- cpu_physical_memory_read(addr, &v, 2);
- if (value & 1)
- v |= mask;
- else
- v &= ~mask;
- cpu_physical_memory_write(addr, &v, 2);
-}
-
-static uint32_t bitband_readl(void *opaque, hwaddr offset)
-{
- uint32_t addr;
- uint32_t mask;
- uint32_t v;
- addr = bitband_addr(opaque, offset) & ~3;
- mask = (1 << ((offset >> 2) & 31));
- mask = tswap32(mask);
- cpu_physical_memory_read(addr, &v, 4);
- return (v & mask) != 0;
-}
-
-static void bitband_writel(void *opaque, hwaddr offset,
- uint32_t value)
-{
- uint32_t addr;
- uint32_t mask;
- uint32_t v;
- addr = bitband_addr(opaque, offset) & ~3;
- mask = (1 << ((offset >> 2) & 31));
- mask = tswap32(mask);
- cpu_physical_memory_read(addr, &v, 4);
- if (value & 1)
- v |= mask;
- else
- v &= ~mask;
- cpu_physical_memory_write(addr, &v, 4);
+ /* Find address in underlying memory and round down to multiple of size */
+ addr = bitband_addr(s, offset) & (-size);
+ res = address_space_read(s->source_as, addr, attrs, buf, size);
+ if (res) {
+ return res;
+ }
+ /* Bit position in the N bytes read... */
+ bitpos = (offset >> 2) & ((size * 8) - 1);
+ /* ...converted to byte in buffer and bit in byte */
+ bit = 1 << (bitpos & 7);
+ if (value & 1) {
+ buf[bitpos >> 3] |= bit;
+ } else {
+ buf[bitpos >> 3] &= ~bit;
+ }
+ return address_space_write(s->source_as, addr, attrs, buf, size);
}
static const MemoryRegionOps bitband_ops = {
- .old_mmio = {
- .read = { bitband_readb, bitband_readw, bitband_readl, },
- .write = { bitband_writeb, bitband_writew, bitband_writel, },
- },
+ .read_with_attrs = bitband_read,
+ .write_with_attrs = bitband_write,
.endianness = DEVICE_NATIVE_ENDIAN,
+ .impl.min_access_size = 1,
+ .impl.max_access_size = 4,
+ .valid.min_access_size = 1,
+ .valid.max_access_size = 4,
};
-#define TYPE_BITBAND "ARM,bitband-memory"
-#define BITBAND(obj) OBJECT_CHECK(BitBandState, (obj), TYPE_BITBAND)
-
-typedef struct {
- /*< private >*/
- SysBusDevice parent_obj;
- /*< public >*/
-
- MemoryRegion iomem;
- uint32_t base;
-} BitBandState;
-
static void bitband_init(Object *obj)
{
BitBandState *s = BITBAND(obj);
SysBusDevice *dev = SYS_BUS_DEVICE(obj);
- memory_region_init_io(&s->iomem, obj, &bitband_ops, &s->base,
+ object_property_add_link(obj, "source-memory",
+ TYPE_MEMORY_REGION,
+ (Object **)&s->source_memory,
+ qdev_prop_allow_set_link_before_realize,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ &error_abort);
+ memory_region_init_io(&s->iomem, obj, &bitband_ops, s,
"bitband", 0x02000000);
sysbus_init_mmio(dev, &s->iomem);
}
-static void armv7m_bitband_init(void)
+static void bitband_realize(DeviceState *dev, Error **errp)
{
- DeviceState *dev;
+ BitBandState *s = BITBAND(dev);
- dev = qdev_create(NULL, TYPE_BITBAND);
- qdev_prop_set_uint32(dev, "base", 0x20000000);
- qdev_init_nofail(dev);
- sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x22000000);
+ if (!s->source_memory) {
+ error_setg(errp, "source-memory property not set");
+ return;
+ }
- dev = qdev_create(NULL, TYPE_BITBAND);
- qdev_prop_set_uint32(dev, "base", 0x40000000);
- qdev_init_nofail(dev);
- sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x42000000);
+ s->source_as = address_space_init_shareable(s->source_memory,
+ "bitband-source");
}
/* Board init. */
+static const hwaddr bitband_input_addr[ARMV7M_NUM_BITBANDS] = {
+ 0x20000000, 0x40000000
+};
+
+static const hwaddr bitband_output_addr[ARMV7M_NUM_BITBANDS] = {
+ 0x22000000, 0x42000000
+};
+
+static void armv7m_instance_init(Object *obj)
+{
+ ARMv7MState *s = ARMV7M(obj);
+ int i;
+
+ /* Can't init the cpu here, we don't yet know which model to use */
+
+ object_property_add_link(obj, "memory",
+ TYPE_MEMORY_REGION,
+ (Object **)&s->board_memory,
+ qdev_prop_allow_set_link_before_realize,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ &error_abort);
+ memory_region_init(&s->container, obj, "armv7m-container", UINT64_MAX);
+
+ object_initialize(&s->nvic, sizeof(s->nvic), "armv7m_nvic");
+ qdev_set_parent_bus(DEVICE(&s->nvic), sysbus_get_default());
+ object_property_add_alias(obj, "num-irq",
+ OBJECT(&s->nvic), "num-irq", &error_abort);
+
+ for (i = 0; i < ARRAY_SIZE(s->bitband); i++) {
+ object_initialize(&s->bitband[i], sizeof(s->bitband[i]), TYPE_BITBAND);
+ qdev_set_parent_bus(DEVICE(&s->bitband[i]), sysbus_get_default());
+ }
+}
+
+static void armv7m_realize(DeviceState *dev, Error **errp)
+{
+ ARMv7MState *s = ARMV7M(dev);
+ SysBusDevice *sbd;
+ Error *err = NULL;
+ int i;
+ char **cpustr;
+ ObjectClass *oc;
+ const char *typename;
+ CPUClass *cc;
+
+ if (!s->board_memory) {
+ error_setg(errp, "memory property was not set");
+ return;
+ }
+
+ memory_region_add_subregion_overlap(&s->container, 0, s->board_memory, -1);
+
+ cpustr = g_strsplit(s->cpu_model, ",", 2);
+
+ oc = cpu_class_by_name(TYPE_ARM_CPU, cpustr[0]);
+ if (!oc) {
+ error_setg(errp, "Unknown CPU model %s", cpustr[0]);
+ g_strfreev(cpustr);
+ return;
+ }
+
+ cc = CPU_CLASS(oc);
+ typename = object_class_get_name(oc);
+ cc->parse_features(typename, cpustr[1], &err);
+ g_strfreev(cpustr);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ s->cpu = ARM_CPU(object_new(typename));
+ if (!s->cpu) {
+ error_setg(errp, "Unknown CPU model %s", s->cpu_model);
+ return;
+ }
+
+ object_property_set_link(OBJECT(s->cpu), OBJECT(&s->container), "memory",
+ &error_abort);
+ object_property_set_bool(OBJECT(s->cpu), true, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ /* Note that we must realize the NVIC after the CPU */
+ object_property_set_bool(OBJECT(&s->nvic), true, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ /* Alias the NVIC's input and output GPIOs as our own so the board
+ * code can wire them up. (We do this in realize because the
+ * NVIC doesn't create the input GPIO array until realize.)
+ */
+ qdev_pass_gpios(DEVICE(&s->nvic), dev, NULL);
+ qdev_pass_gpios(DEVICE(&s->nvic), dev, "SYSRESETREQ");
+
+ /* Wire the NVIC up to the CPU */
+ sbd = SYS_BUS_DEVICE(&s->nvic);
+ sysbus_connect_irq(sbd, 0,
+ qdev_get_gpio_in(DEVICE(s->cpu), ARM_CPU_IRQ));
+ s->cpu->env.nvic = &s->nvic;
+
+ memory_region_add_subregion(&s->container, 0xe000e000,
+ sysbus_mmio_get_region(sbd, 0));
+
+ for (i = 0; i < ARRAY_SIZE(s->bitband); i++) {
+ Object *obj = OBJECT(&s->bitband[i]);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(&s->bitband[i]);
+
+ object_property_set_int(obj, bitband_input_addr[i], "base", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+ object_property_set_link(obj, OBJECT(s->board_memory),
+ "source-memory", &error_abort);
+ object_property_set_bool(obj, true, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ memory_region_add_subregion(&s->container, bitband_output_addr[i],
+ sysbus_mmio_get_region(sbd, 0));
+ }
+}
+
+static Property armv7m_properties[] = {
+ DEFINE_PROP_STRING("cpu-model", ARMv7MState, cpu_model),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void armv7m_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->realize = armv7m_realize;
+ dc->props = armv7m_properties;
+}
+
+static const TypeInfo armv7m_info = {
+ .name = TYPE_ARMV7M,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(ARMv7MState),
+ .instance_init = armv7m_instance_init,
+ .class_init = armv7m_class_init,
+};
+
static void armv7m_reset(void *opaque)
{
ARMCPU *cpu = opaque;
@@ -168,38 +282,36 @@
/* Init CPU and memory for a v7-M based board.
mem_size is in bytes.
- Returns the NVIC array. */
+ Returns the ARMv7M device. */
DeviceState *armv7m_init(MemoryRegion *system_memory, int mem_size, int num_irq,
const char *kernel_filename, const char *cpu_model)
{
- ARMCPU *cpu;
- CPUARMState *env;
- DeviceState *nvic;
+ DeviceState *armv7m;
+
+ if (cpu_model == NULL) {
+ cpu_model = "cortex-m3";
+ }
+
+ armv7m = qdev_create(NULL, "armv7m");
+ qdev_prop_set_uint32(armv7m, "num-irq", num_irq);
+ qdev_prop_set_string(armv7m, "cpu-model", cpu_model);
+ object_property_set_link(OBJECT(armv7m), OBJECT(get_system_memory()),
+ "memory", &error_abort);
+ /* This will exit with an error if the user passed us a bad cpu_model */
+ qdev_init_nofail(armv7m);
+
+ armv7m_load_kernel(ARM_CPU(first_cpu), kernel_filename, mem_size);
+ return armv7m;
+}
+
+void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size)
+{
int image_size;
uint64_t entry;
uint64_t lowaddr;
int big_endian;
- if (cpu_model == NULL) {
- cpu_model = "cortex-m3";
- }
- cpu = cpu_arm_init(cpu_model);
- if (cpu == NULL) {
- fprintf(stderr, "Unable to find CPU definition\n");
- exit(1);
- }
- env = &cpu->env;
-
- armv7m_bitband_init();
-
- nvic = qdev_create(NULL, "armv7m_nvic");
- qdev_prop_set_uint32(nvic, "num-irq", num_irq);
- env->nvic = nvic;
- qdev_init_nofail(nvic);
- sysbus_connect_irq(SYS_BUS_DEVICE(nvic), 0,
- qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
-
#ifdef TARGET_WORDS_BIGENDIAN
big_endian = 1;
#else
@@ -224,8 +336,15 @@
}
}
+ /* CPU objects (unlike devices) are not automatically reset on system
+ * reset, so we must always register a handler to do so. Unlike
+ * A-profile CPUs, we don't need to do anything special in the
+ * handler to arrange that it starts correctly.
+ * This is arguably the wrong place to do this, but it matches the
+ * way A-profile does it. Note that this means that every M profile
+ * board must call this function!
+ */
qemu_register_reset(armv7m_reset, cpu);
- return nvic;
}
static Property bitband_properties[] = {
@@ -237,6 +356,7 @@
{
DeviceClass *dc = DEVICE_CLASS(klass);
+ dc->realize = bitband_realize;
dc->props = bitband_properties;
}
@@ -251,6 +371,7 @@
static void armv7m_register_types(void)
{
type_register_static(&bitband_info);
+ type_register_static(&armv7m_info);
}
type_init(armv7m_register_types)
diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c
index 9ed22d5..369ef1e 100644
--- a/hw/arm/bcm2835_peripherals.c
+++ b/hw/arm/bcm2835_peripherals.c
@@ -96,6 +96,11 @@
object_property_add_child(obj, "sdhci", OBJECT(&s->sdhci), NULL);
qdev_set_parent_bus(DEVICE(&s->sdhci), sysbus_get_default());
+ /* SDHOST */
+ object_initialize(&s->sdhost, sizeof(s->sdhost), TYPE_BCM2835_SDHOST);
+ object_property_add_child(obj, "sdhost", OBJECT(&s->sdhost), NULL);
+ qdev_set_parent_bus(DEVICE(&s->sdhost), sysbus_get_default());
+
/* DMA Channels */
object_initialize(&s->dma, sizeof(s->dma), TYPE_BCM2835_DMA);
object_property_add_child(obj, "dma", OBJECT(&s->dma), NULL);
@@ -103,6 +108,16 @@
object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
OBJECT(&s->gpu_bus_mr), &error_abort);
+
+ /* GPIO */
+ object_initialize(&s->gpio, sizeof(s->gpio), TYPE_BCM2835_GPIO);
+ object_property_add_child(obj, "gpio", OBJECT(&s->gpio), NULL);
+ qdev_set_parent_bus(DEVICE(&s->gpio), sysbus_get_default());
+
+ object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
+ OBJECT(&s->sdhci.sdbus), &error_abort);
+ object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
+ OBJECT(&s->sdhost.sdbus), &error_abort);
}
static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
@@ -267,13 +282,20 @@
sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
INTERRUPT_ARASANSDIO));
- object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->sdhci), "sd-bus",
- &err);
+
+ /* SDHOST */
+ object_property_set_bool(OBJECT(&s->sdhost), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
+ memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
+ sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
+ qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
+ INTERRUPT_SDIO));
+
/* DMA Channels */
object_property_set_bool(OBJECT(&s->dma), true, "realized", &err);
if (err) {
@@ -292,6 +314,23 @@
BCM2835_IC_GPU_IRQ,
INTERRUPT_DMA0 + n));
}
+
+ /* GPIO */
+ object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ memory_region_add_subregion(&s->peri_mr, GPIO_OFFSET,
+ sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
+
+ object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus",
+ &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
}
static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
diff --git a/hw/arm/netduino2.c b/hw/arm/netduino2.c
index 23d7928..3cfe332 100644
--- a/hw/arm/netduino2.c
+++ b/hw/arm/netduino2.c
@@ -27,17 +27,18 @@
#include "hw/boards.h"
#include "qemu/error-report.h"
#include "hw/arm/stm32f205_soc.h"
+#include "hw/arm/arm.h"
static void netduino2_init(MachineState *machine)
{
DeviceState *dev;
dev = qdev_create(NULL, TYPE_STM32F205_SOC);
- if (machine->kernel_filename) {
- qdev_prop_set_string(dev, "kernel-filename", machine->kernel_filename);
- }
qdev_prop_set_string(dev, "cpu-model", "cortex-m3");
object_property_set_bool(OBJECT(dev), true, "realized", &error_fatal);
+
+ armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
+ FLASH_SIZE);
}
static void netduino2_machine_init(MachineClass *mc)
diff --git a/hw/arm/stm32f205_soc.c b/hw/arm/stm32f205_soc.c
index 38425bd..6e1260d 100644
--- a/hw/arm/stm32f205_soc.c
+++ b/hw/arm/stm32f205_soc.c
@@ -49,6 +49,9 @@
STM32F205State *s = STM32F205_SOC(obj);
int i;
+ object_initialize(&s->armv7m, sizeof(s->armv7m), TYPE_ARMV7M);
+ qdev_set_parent_bus(DEVICE(&s->armv7m), sysbus_get_default());
+
object_initialize(&s->syscfg, sizeof(s->syscfg), TYPE_STM32F2XX_SYSCFG);
qdev_set_parent_bus(DEVICE(&s->syscfg), sysbus_get_default());
@@ -82,7 +85,7 @@
static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp)
{
STM32F205State *s = STM32F205_SOC(dev_soc);
- DeviceState *dev, *nvic;
+ DeviceState *dev, *armv7m;
SysBusDevice *busdev;
Error *err = NULL;
int i;
@@ -110,8 +113,16 @@
vmstate_register_ram_global(sram);
memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram);
- nvic = armv7m_init(get_system_memory(), FLASH_SIZE, 96,
- s->kernel_filename, s->cpu_model);
+ armv7m = DEVICE(&s->armv7m);
+ qdev_prop_set_uint32(armv7m, "num-irq", 96);
+ qdev_prop_set_string(armv7m, "cpu-model", s->cpu_model);
+ object_property_set_link(OBJECT(&s->armv7m), OBJECT(get_system_memory()),
+ "memory", &error_abort);
+ object_property_set_bool(OBJECT(&s->armv7m), true, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
/* System configuration controller */
dev = DEVICE(&s->syscfg);
@@ -122,7 +133,7 @@
}
busdev = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(busdev, 0, 0x40013800);
- sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(nvic, 71));
+ sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, 71));
/* Attach UART (uses USART registers) and USART controllers */
for (i = 0; i < STM_NUM_USARTS; i++) {
@@ -136,7 +147,7 @@
}
busdev = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(busdev, 0, usart_addr[i]);
- sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(nvic, usart_irq[i]));
+ sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, usart_irq[i]));
}
/* Timer 2 to 5 */
@@ -150,7 +161,7 @@
}
busdev = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(busdev, 0, timer_addr[i]);
- sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(nvic, timer_irq[i]));
+ sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, timer_irq[i]));
}
/* ADC 1 to 3 */
@@ -162,7 +173,7 @@
return;
}
qdev_connect_gpio_out(DEVICE(s->adc_irqs), 0,
- qdev_get_gpio_in(nvic, ADC_IRQ));
+ qdev_get_gpio_in(armv7m, ADC_IRQ));
for (i = 0; i < STM_NUM_ADCS; i++) {
dev = DEVICE(&(s->adc[i]));
@@ -187,12 +198,11 @@
}
busdev = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(busdev, 0, spi_addr[i]);
- sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(nvic, spi_irq[i]));
+ sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
}
}
static Property stm32f205_soc_properties[] = {
- DEFINE_PROP_STRING("kernel-filename", STM32F205State, kernel_filename),
DEFINE_PROP_STRING("cpu-model", STM32F205State, cpu_model),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/hw/core/loader.c b/hw/core/loader.c
index 8b980e9..bf17b42 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -435,6 +435,19 @@
uint64_t *highaddr, int big_endian, int elf_machine,
int clear_lsb, int data_swab, AddressSpace *as)
{
+ return load_elf_ram(filename, translate_fn, translate_opaque,
+ pentry, lowaddr, highaddr, big_endian, elf_machine,
+ clear_lsb, data_swab, as, true);
+}
+
+/* return < 0 if error, otherwise the number of bytes loaded in memory */
+int load_elf_ram(const char *filename,
+ uint64_t (*translate_fn)(void *, uint64_t),
+ void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
+ uint64_t *highaddr, int big_endian, int elf_machine,
+ int clear_lsb, int data_swab, AddressSpace *as,
+ bool load_rom)
+{
int fd, data_order, target_data_order, must_swab, ret = ELF_LOAD_FAILED;
uint8_t e_ident[EI_NIDENT];
@@ -473,11 +486,11 @@
if (e_ident[EI_CLASS] == ELFCLASS64) {
ret = load_elf64(filename, fd, translate_fn, translate_opaque, must_swab,
pentry, lowaddr, highaddr, elf_machine, clear_lsb,
- data_swab, as);
+ data_swab, as, load_rom);
} else {
ret = load_elf32(filename, fd, translate_fn, translate_opaque, must_swab,
pentry, lowaddr, highaddr, elf_machine, clear_lsb,
- data_swab, as);
+ data_swab, as, load_rom);
}
fail:
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 06ba02e..923e626 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -102,9 +102,23 @@
void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
{
+ bool replugging = dev->parent_bus != NULL;
+
+ if (replugging) {
+ /* Keep a reference to the device while it's not plugged into
+ * any bus, to avoid it potentially evaporating when it is
+ * dereffed in bus_remove_child().
+ */
+ object_ref(OBJECT(dev));
+ bus_remove_child(dev->parent_bus, dev);
+ object_unref(OBJECT(dev->parent_bus));
+ }
dev->parent_bus = bus;
object_ref(OBJECT(bus));
bus_add_child(bus, dev);
+ if (replugging) {
+ object_unref(OBJECT(dev));
+ }
}
/* Create a new device. This only initializes the device state
diff --git a/hw/gpio/Makefile.objs b/hw/gpio/Makefile.objs
index a43c7cf..fa0a72e 100644
--- a/hw/gpio/Makefile.objs
+++ b/hw/gpio/Makefile.objs
@@ -7,3 +7,4 @@
obj-$(CONFIG_OMAP) += omap_gpio.o
obj-$(CONFIG_IMX) += imx_gpio.o
+obj-$(CONFIG_RASPI) += bcm2835_gpio.o
diff --git a/hw/gpio/bcm2835_gpio.c b/hw/gpio/bcm2835_gpio.c
new file mode 100644
index 0000000..acc2e3c
--- /dev/null
+++ b/hw/gpio/bcm2835_gpio.c
@@ -0,0 +1,353 @@
+/*
+ * Raspberry Pi (BCM2835) GPIO Controller
+ *
+ * Copyright (c) 2017 Antfield SAS
+ *
+ * Authors:
+ * Clement Deschamps <clement.deschamps@antfield.fr>
+ * Luc Michel <luc.michel@antfield.fr>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "qemu/timer.h"
+#include "qapi/error.h"
+#include "hw/sysbus.h"
+#include "hw/sd/sd.h"
+#include "hw/gpio/bcm2835_gpio.h"
+
+#define GPFSEL0 0x00
+#define GPFSEL1 0x04
+#define GPFSEL2 0x08
+#define GPFSEL3 0x0C
+#define GPFSEL4 0x10
+#define GPFSEL5 0x14
+#define GPSET0 0x1C
+#define GPSET1 0x20
+#define GPCLR0 0x28
+#define GPCLR1 0x2C
+#define GPLEV0 0x34
+#define GPLEV1 0x38
+#define GPEDS0 0x40
+#define GPEDS1 0x44
+#define GPREN0 0x4C
+#define GPREN1 0x50
+#define GPFEN0 0x58
+#define GPFEN1 0x5C
+#define GPHEN0 0x64
+#define GPHEN1 0x68
+#define GPLEN0 0x70
+#define GPLEN1 0x74
+#define GPAREN0 0x7C
+#define GPAREN1 0x80
+#define GPAFEN0 0x88
+#define GPAFEN1 0x8C
+#define GPPUD 0x94
+#define GPPUDCLK0 0x98
+#define GPPUDCLK1 0x9C
+
+static uint32_t gpfsel_get(BCM2835GpioState *s, uint8_t reg)
+{
+ int i;
+ uint32_t value = 0;
+ for (i = 0; i < 10; i++) {
+ uint32_t index = 10 * reg + i;
+ if (index < sizeof(s->fsel)) {
+ value |= (s->fsel[index] & 0x7) << (3 * i);
+ }
+ }
+ return value;
+}
+
+static void gpfsel_set(BCM2835GpioState *s, uint8_t reg, uint32_t value)
+{
+ int i;
+ for (i = 0; i < 10; i++) {
+ uint32_t index = 10 * reg + i;
+ if (index < sizeof(s->fsel)) {
+ int fsel = (value >> (3 * i)) & 0x7;
+ s->fsel[index] = fsel;
+ }
+ }
+
+ /* SD controller selection (48-53) */
+ if (s->sd_fsel != 0
+ && (s->fsel[48] == 0) /* SD_CLK_R */
+ && (s->fsel[49] == 0) /* SD_CMD_R */
+ && (s->fsel[50] == 0) /* SD_DATA0_R */
+ && (s->fsel[51] == 0) /* SD_DATA1_R */
+ && (s->fsel[52] == 0) /* SD_DATA2_R */
+ && (s->fsel[53] == 0) /* SD_DATA3_R */
+ ) {
+ /* SDHCI controller selected */
+ sdbus_reparent_card(s->sdbus_sdhost, s->sdbus_sdhci);
+ s->sd_fsel = 0;
+ } else if (s->sd_fsel != 4
+ && (s->fsel[48] == 4) /* SD_CLK_R */
+ && (s->fsel[49] == 4) /* SD_CMD_R */
+ && (s->fsel[50] == 4) /* SD_DATA0_R */
+ && (s->fsel[51] == 4) /* SD_DATA1_R */
+ && (s->fsel[52] == 4) /* SD_DATA2_R */
+ && (s->fsel[53] == 4) /* SD_DATA3_R */
+ ) {
+ /* SDHost controller selected */
+ sdbus_reparent_card(s->sdbus_sdhci, s->sdbus_sdhost);
+ s->sd_fsel = 4;
+ }
+}
+
+static int gpfsel_is_out(BCM2835GpioState *s, int index)
+{
+ if (index >= 0 && index < 54) {
+ return s->fsel[index] == 1;
+ }
+ return 0;
+}
+
+static void gpset(BCM2835GpioState *s,
+ uint32_t val, uint8_t start, uint8_t count, uint32_t *lev)
+{
+ uint32_t changes = val & ~*lev;
+ uint32_t cur = 1;
+
+ int i;
+ for (i = 0; i < count; i++) {
+ if ((changes & cur) && (gpfsel_is_out(s, start + i))) {
+ qemu_set_irq(s->out[start + i], 1);
+ }
+ cur <<= 1;
+ }
+
+ *lev |= val;
+}
+
+static void gpclr(BCM2835GpioState *s,
+ uint32_t val, uint8_t start, uint8_t count, uint32_t *lev)
+{
+ uint32_t changes = val & *lev;
+ uint32_t cur = 1;
+
+ int i;
+ for (i = 0; i < count; i++) {
+ if ((changes & cur) && (gpfsel_is_out(s, start + i))) {
+ qemu_set_irq(s->out[start + i], 0);
+ }
+ cur <<= 1;
+ }
+
+ *lev &= ~val;
+}
+
+static uint64_t bcm2835_gpio_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ BCM2835GpioState *s = (BCM2835GpioState *)opaque;
+
+ switch (offset) {
+ case GPFSEL0:
+ case GPFSEL1:
+ case GPFSEL2:
+ case GPFSEL3:
+ case GPFSEL4:
+ case GPFSEL5:
+ return gpfsel_get(s, offset / 4);
+ case GPSET0:
+ case GPSET1:
+ /* Write Only */
+ return 0;
+ case GPCLR0:
+ case GPCLR1:
+ /* Write Only */
+ return 0;
+ case GPLEV0:
+ return s->lev0;
+ case GPLEV1:
+ return s->lev1;
+ case GPEDS0:
+ case GPEDS1:
+ case GPREN0:
+ case GPREN1:
+ case GPFEN0:
+ case GPFEN1:
+ case GPHEN0:
+ case GPHEN1:
+ case GPLEN0:
+ case GPLEN1:
+ case GPAREN0:
+ case GPAREN1:
+ case GPAFEN0:
+ case GPAFEN1:
+ case GPPUD:
+ case GPPUDCLK0:
+ case GPPUDCLK1:
+ /* Not implemented */
+ return 0;
+ default:
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n",
+ __func__, offset);
+ break;
+ }
+
+ return 0;
+}
+
+static void bcm2835_gpio_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ BCM2835GpioState *s = (BCM2835GpioState *)opaque;
+
+ switch (offset) {
+ case GPFSEL0:
+ case GPFSEL1:
+ case GPFSEL2:
+ case GPFSEL3:
+ case GPFSEL4:
+ case GPFSEL5:
+ gpfsel_set(s, offset / 4, value);
+ break;
+ case GPSET0:
+ gpset(s, value, 0, 32, &s->lev0);
+ break;
+ case GPSET1:
+ gpset(s, value, 32, 22, &s->lev1);
+ break;
+ case GPCLR0:
+ gpclr(s, value, 0, 32, &s->lev0);
+ break;
+ case GPCLR1:
+ gpclr(s, value, 32, 22, &s->lev1);
+ break;
+ case GPLEV0:
+ case GPLEV1:
+ /* Read Only */
+ break;
+ case GPEDS0:
+ case GPEDS1:
+ case GPREN0:
+ case GPREN1:
+ case GPFEN0:
+ case GPFEN1:
+ case GPHEN0:
+ case GPHEN1:
+ case GPLEN0:
+ case GPLEN1:
+ case GPAREN0:
+ case GPAREN1:
+ case GPAFEN0:
+ case GPAFEN1:
+ case GPPUD:
+ case GPPUDCLK0:
+ case GPPUDCLK1:
+ /* Not implemented */
+ break;
+ default:
+ goto err_out;
+ }
+ return;
+
+err_out:
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n",
+ __func__, offset);
+}
+
+static void bcm2835_gpio_reset(DeviceState *dev)
+{
+ BCM2835GpioState *s = BCM2835_GPIO(dev);
+
+ int i;
+ for (i = 0; i < 6; i++) {
+ gpfsel_set(s, i, 0);
+ }
+
+ s->sd_fsel = 0;
+
+ /* SDHCI is selected by default */
+ sdbus_reparent_card(&s->sdbus, s->sdbus_sdhci);
+
+ s->lev0 = 0;
+ s->lev1 = 0;
+}
+
+static const MemoryRegionOps bcm2835_gpio_ops = {
+ .read = bcm2835_gpio_read,
+ .write = bcm2835_gpio_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static const VMStateDescription vmstate_bcm2835_gpio = {
+ .name = "bcm2835_gpio",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8_ARRAY(fsel, BCM2835GpioState, 54),
+ VMSTATE_UINT32(lev0, BCM2835GpioState),
+ VMSTATE_UINT32(lev1, BCM2835GpioState),
+ VMSTATE_UINT8(sd_fsel, BCM2835GpioState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void bcm2835_gpio_init(Object *obj)
+{
+ BCM2835GpioState *s = BCM2835_GPIO(obj);
+ DeviceState *dev = DEVICE(obj);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+ qbus_create_inplace(&s->sdbus, sizeof(s->sdbus),
+ TYPE_SD_BUS, DEVICE(s), "sd-bus");
+
+ memory_region_init_io(&s->iomem, obj,
+ &bcm2835_gpio_ops, s, "bcm2835_gpio", 0x1000);
+ sysbus_init_mmio(sbd, &s->iomem);
+ qdev_init_gpio_out(dev, s->out, 54);
+}
+
+static void bcm2835_gpio_realize(DeviceState *dev, Error **errp)
+{
+ BCM2835GpioState *s = BCM2835_GPIO(dev);
+ Object *obj;
+ Error *err = NULL;
+
+ obj = object_property_get_link(OBJECT(dev), "sdbus-sdhci", &err);
+ if (obj == NULL) {
+ error_setg(errp, "%s: required sdhci link not found: %s",
+ __func__, error_get_pretty(err));
+ return;
+ }
+ s->sdbus_sdhci = SD_BUS(obj);
+
+ obj = object_property_get_link(OBJECT(dev), "sdbus-sdhost", &err);
+ if (obj == NULL) {
+ error_setg(errp, "%s: required sdhost link not found: %s",
+ __func__, error_get_pretty(err));
+ return;
+ }
+ s->sdbus_sdhost = SD_BUS(obj);
+}
+
+static void bcm2835_gpio_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->vmsd = &vmstate_bcm2835_gpio;
+ dc->realize = &bcm2835_gpio_realize;
+ dc->reset = &bcm2835_gpio_reset;
+}
+
+static const TypeInfo bcm2835_gpio_info = {
+ .name = TYPE_BCM2835_GPIO,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(BCM2835GpioState),
+ .instance_init = bcm2835_gpio_init,
+ .class_init = bcm2835_gpio_class_init,
+};
+
+static void bcm2835_gpio_register_types(void)
+{
+ type_register_static(&bcm2835_gpio_info);
+}
+
+type_init(bcm2835_gpio_register_types)
diff --git a/hw/intc/Makefile.objs b/hw/intc/Makefile.objs
index 8948106..adedd0d 100644
--- a/hw/intc/Makefile.objs
+++ b/hw/intc/Makefile.objs
@@ -24,7 +24,7 @@
obj-$(CONFIG_ARM_GIC_KVM) += arm_gic_kvm.o
obj-$(call land,$(CONFIG_ARM_GIC_KVM),$(TARGET_AARCH64)) += arm_gicv3_kvm.o
obj-$(call land,$(CONFIG_ARM_GIC_KVM),$(TARGET_AARCH64)) += arm_gicv3_its_kvm.o
-obj-$(CONFIG_STELLARIS) += armv7m_nvic.o
+obj-$(CONFIG_ARM_V7M) += armv7m_nvic.o
obj-$(CONFIG_EXYNOS4) += exynos4210_gic.o exynos4210_combiner.o
obj-$(CONFIG_GRLIB) += grlib_irqmp.o
obj-$(CONFIG_IOAPIC) += ioapic.o
diff --git a/hw/intc/arm_gicv3_common.c b/hw/intc/arm_gicv3_common.c
index 16b9b0f..c6493d6 100644
--- a/hw/intc/arm_gicv3_common.c
+++ b/hw/intc/arm_gicv3_common.c
@@ -70,6 +70,38 @@
}
};
+static int icc_sre_el1_reg_pre_load(void *opaque)
+{
+ GICv3CPUState *cs = opaque;
+
+ /*
+ * If the sre_el1 subsection is not transferred this
+ * means SRE_EL1 is 0x7 (which might not be the same as
+ * our reset value).
+ */
+ cs->icc_sre_el1 = 0x7;
+ return 0;
+}
+
+static bool icc_sre_el1_reg_needed(void *opaque)
+{
+ GICv3CPUState *cs = opaque;
+
+ return cs->icc_sre_el1 != 7;
+}
+
+const VMStateDescription vmstate_gicv3_cpu_sre_el1 = {
+ .name = "arm_gicv3_cpu/sre_el1",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .pre_load = icc_sre_el1_reg_pre_load,
+ .needed = icc_sre_el1_reg_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(icc_sre_el1, GICv3CPUState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static const VMStateDescription vmstate_gicv3_cpu = {
.name = "arm_gicv3_cpu",
.version_id = 1,
@@ -100,6 +132,10 @@
.subsections = (const VMStateDescription * []) {
&vmstate_gicv3_cpu_virt,
NULL
+ },
+ .subsections = (const VMStateDescription * []) {
+ &vmstate_gicv3_cpu_sre_el1,
+ NULL
}
};
@@ -216,6 +252,8 @@
s->cpu[i].cpu = cpu;
s->cpu[i].gic = s;
+ /* Store GICv3CPUState in CPUARMState gicv3state pointer */
+ gicv3_set_gicv3state(cpu, &s->cpu[i]);
/* Pre-construct the GICR_TYPER:
* For our implementation:
diff --git a/hw/intc/arm_gicv3_cpuif.c b/hw/intc/arm_gicv3_cpuif.c
index f775aba..0b20856 100644
--- a/hw/intc/arm_gicv3_cpuif.c
+++ b/hw/intc/arm_gicv3_cpuif.c
@@ -19,6 +19,14 @@
#include "gicv3_internal.h"
#include "cpu.h"
+void gicv3_set_gicv3state(CPUState *cpu, GICv3CPUState *s)
+{
+ ARMCPU *arm_cpu = ARM_CPU(cpu);
+ CPUARMState *env = &arm_cpu->env;
+
+ env->gicv3state = (void *)s;
+};
+
static GICv3CPUState *icc_cs_from_env(CPUARMState *env)
{
/* Given the CPU, find the right GICv3CPUState struct.
diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c
index d69dc47..81f0403 100644
--- a/hw/intc/arm_gicv3_kvm.c
+++ b/hw/intc/arm_gicv3_kvm.c
@@ -23,8 +23,10 @@
#include "qapi/error.h"
#include "hw/intc/arm_gicv3_common.h"
#include "hw/sysbus.h"
+#include "qemu/error-report.h"
#include "sysemu/kvm.h"
#include "kvm_arm.h"
+#include "gicv3_internal.h"
#include "vgic_common.h"
#include "migration/migration.h"
@@ -44,6 +46,32 @@
#define KVM_ARM_GICV3_GET_CLASS(obj) \
OBJECT_GET_CLASS(KVMARMGICv3Class, (obj), TYPE_KVM_ARM_GICV3)
+#define KVM_DEV_ARM_VGIC_SYSREG(op0, op1, crn, crm, op2) \
+ (ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | \
+ ARM64_SYS_REG_SHIFT_MASK(op1, OP1) | \
+ ARM64_SYS_REG_SHIFT_MASK(crn, CRN) | \
+ ARM64_SYS_REG_SHIFT_MASK(crm, CRM) | \
+ ARM64_SYS_REG_SHIFT_MASK(op2, OP2))
+
+#define ICC_PMR_EL1 \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 4, 6, 0)
+#define ICC_BPR0_EL1 \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 8, 3)
+#define ICC_AP0R_EL1(n) \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 8, 4 | n)
+#define ICC_AP1R_EL1(n) \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 9, n)
+#define ICC_BPR1_EL1 \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 12, 3)
+#define ICC_CTLR_EL1 \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 12, 4)
+#define ICC_SRE_EL1 \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 12, 5)
+#define ICC_IGRPEN0_EL1 \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 12, 6)
+#define ICC_IGRPEN1_EL1 \
+ KVM_DEV_ARM_VGIC_SYSREG(3, 0, 12, 12, 7)
+
typedef struct KVMARMGICv3Class {
ARMGICv3CommonClass parent_class;
DeviceRealize parent_realize;
@@ -57,16 +85,549 @@
kvm_arm_gic_set_irq(s->num_irq, irq, level);
}
+#define KVM_VGIC_ATTR(reg, typer) \
+ ((typer & KVM_DEV_ARM_VGIC_V3_MPIDR_MASK) | (reg))
+
+static inline void kvm_gicd_access(GICv3State *s, int offset,
+ uint32_t *val, bool write)
+{
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_DIST_REGS,
+ KVM_VGIC_ATTR(offset, 0),
+ val, write);
+}
+
+static inline void kvm_gicr_access(GICv3State *s, int offset, int cpu,
+ uint32_t *val, bool write)
+{
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_REDIST_REGS,
+ KVM_VGIC_ATTR(offset, s->cpu[cpu].gicr_typer),
+ val, write);
+}
+
+static inline void kvm_gicc_access(GICv3State *s, uint64_t reg, int cpu,
+ uint64_t *val, bool write)
+{
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS,
+ KVM_VGIC_ATTR(reg, s->cpu[cpu].gicr_typer),
+ val, write);
+}
+
+static inline void kvm_gic_line_level_access(GICv3State *s, int irq, int cpu,
+ uint32_t *val, bool write)
+{
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO,
+ KVM_VGIC_ATTR(irq, s->cpu[cpu].gicr_typer) |
+ (VGIC_LEVEL_INFO_LINE_LEVEL <<
+ KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT),
+ val, write);
+}
+
+/* Loop through each distributor IRQ related register; since bits
+ * corresponding to SPIs and PPIs are RAZ/WI when affinity routing
+ * is enabled, we skip those.
+ */
+#define for_each_dist_irq_reg(_irq, _max, _field_width) \
+ for (_irq = GIC_INTERNAL; _irq < _max; _irq += (32 / _field_width))
+
+static void kvm_dist_get_priority(GICv3State *s, uint32_t offset, uint8_t *bmp)
+{
+ uint32_t reg, *field;
+ int irq;
+
+ field = (uint32_t *)bmp;
+ for_each_dist_irq_reg(irq, s->num_irq, 8) {
+ kvm_gicd_access(s, offset, ®, false);
+ *field = reg;
+ offset += 4;
+ field++;
+ }
+}
+
+static void kvm_dist_put_priority(GICv3State *s, uint32_t offset, uint8_t *bmp)
+{
+ uint32_t reg, *field;
+ int irq;
+
+ field = (uint32_t *)bmp;
+ for_each_dist_irq_reg(irq, s->num_irq, 8) {
+ reg = *field;
+ kvm_gicd_access(s, offset, ®, true);
+ offset += 4;
+ field++;
+ }
+}
+
+static void kvm_dist_get_edge_trigger(GICv3State *s, uint32_t offset,
+ uint32_t *bmp)
+{
+ uint32_t reg;
+ int irq;
+
+ for_each_dist_irq_reg(irq, s->num_irq, 2) {
+ kvm_gicd_access(s, offset, ®, false);
+ reg = half_unshuffle32(reg >> 1);
+ if (irq % 32 != 0) {
+ reg = (reg << 16);
+ }
+ *gic_bmp_ptr32(bmp, irq) |= reg;
+ offset += 4;
+ }
+}
+
+static void kvm_dist_put_edge_trigger(GICv3State *s, uint32_t offset,
+ uint32_t *bmp)
+{
+ uint32_t reg;
+ int irq;
+
+ for_each_dist_irq_reg(irq, s->num_irq, 2) {
+ reg = *gic_bmp_ptr32(bmp, irq);
+ if (irq % 32 != 0) {
+ reg = (reg & 0xffff0000) >> 16;
+ } else {
+ reg = reg & 0xffff;
+ }
+ reg = half_shuffle32(reg) << 1;
+ kvm_gicd_access(s, offset, ®, true);
+ offset += 4;
+ }
+}
+
+static void kvm_gic_get_line_level_bmp(GICv3State *s, uint32_t *bmp)
+{
+ uint32_t reg;
+ int irq;
+
+ for_each_dist_irq_reg(irq, s->num_irq, 1) {
+ kvm_gic_line_level_access(s, irq, 0, ®, false);
+ *gic_bmp_ptr32(bmp, irq) = reg;
+ }
+}
+
+static void kvm_gic_put_line_level_bmp(GICv3State *s, uint32_t *bmp)
+{
+ uint32_t reg;
+ int irq;
+
+ for_each_dist_irq_reg(irq, s->num_irq, 1) {
+ reg = *gic_bmp_ptr32(bmp, irq);
+ kvm_gic_line_level_access(s, irq, 0, ®, true);
+ }
+}
+
+/* Read a bitmap register group from the kernel VGIC. */
+static void kvm_dist_getbmp(GICv3State *s, uint32_t offset, uint32_t *bmp)
+{
+ uint32_t reg;
+ int irq;
+
+ for_each_dist_irq_reg(irq, s->num_irq, 1) {
+ kvm_gicd_access(s, offset, ®, false);
+ *gic_bmp_ptr32(bmp, irq) = reg;
+ offset += 4;
+ }
+}
+
+static void kvm_dist_putbmp(GICv3State *s, uint32_t offset,
+ uint32_t clroffset, uint32_t *bmp)
+{
+ uint32_t reg;
+ int irq;
+
+ for_each_dist_irq_reg(irq, s->num_irq, 1) {
+ /* If this bitmap is a set/clear register pair, first write to the
+ * clear-reg to clear all bits before using the set-reg to write
+ * the 1 bits.
+ */
+ if (clroffset != 0) {
+ reg = 0;
+ kvm_gicd_access(s, clroffset, ®, true);
+ }
+ reg = *gic_bmp_ptr32(bmp, irq);
+ kvm_gicd_access(s, offset, ®, true);
+ offset += 4;
+ }
+}
+
+static void kvm_arm_gicv3_check(GICv3State *s)
+{
+ uint32_t reg;
+ uint32_t num_irq;
+
+ /* Sanity checking s->num_irq */
+ kvm_gicd_access(s, GICD_TYPER, ®, false);
+ num_irq = ((reg & 0x1f) + 1) * 32;
+
+ if (num_irq < s->num_irq) {
+ error_report("Model requests %u IRQs, but kernel supports max %u",
+ s->num_irq, num_irq);
+ abort();
+ }
+}
+
static void kvm_arm_gicv3_put(GICv3State *s)
{
- /* TODO */
- DPRINTF("Cannot put kernel gic state, no kernel interface\n");
+ uint32_t regl, regh, reg;
+ uint64_t reg64, redist_typer;
+ int ncpu, i;
+
+ kvm_arm_gicv3_check(s);
+
+ kvm_gicr_access(s, GICR_TYPER, 0, ®l, false);
+ kvm_gicr_access(s, GICR_TYPER + 4, 0, ®h, false);
+ redist_typer = ((uint64_t)regh << 32) | regl;
+
+ reg = s->gicd_ctlr;
+ kvm_gicd_access(s, GICD_CTLR, ®, true);
+
+ if (redist_typer & GICR_TYPER_PLPIS) {
+ /* Set base addresses before LPIs are enabled by GICR_CTLR write */
+ for (ncpu = 0; ncpu < s->num_cpu; ncpu++) {
+ GICv3CPUState *c = &s->cpu[ncpu];
+
+ reg64 = c->gicr_propbaser;
+ regl = (uint32_t)reg64;
+ kvm_gicr_access(s, GICR_PROPBASER, ncpu, ®l, true);
+ regh = (uint32_t)(reg64 >> 32);
+ kvm_gicr_access(s, GICR_PROPBASER + 4, ncpu, ®h, true);
+
+ reg64 = c->gicr_pendbaser;
+ if (!c->gicr_ctlr & GICR_CTLR_ENABLE_LPIS) {
+ /* Setting PTZ is advised if LPIs are disabled, to reduce
+ * GIC initialization time.
+ */
+ reg64 |= GICR_PENDBASER_PTZ;
+ }
+ regl = (uint32_t)reg64;
+ kvm_gicr_access(s, GICR_PENDBASER, ncpu, ®l, true);
+ regh = (uint32_t)(reg64 >> 32);
+ kvm_gicr_access(s, GICR_PENDBASER + 4, ncpu, ®h, true);
+ }
+ }
+
+ /* Redistributor state (one per CPU) */
+
+ for (ncpu = 0; ncpu < s->num_cpu; ncpu++) {
+ GICv3CPUState *c = &s->cpu[ncpu];
+
+ reg = c->gicr_ctlr;
+ kvm_gicr_access(s, GICR_CTLR, ncpu, ®, true);
+
+ reg = c->gicr_statusr[GICV3_NS];
+ kvm_gicr_access(s, GICR_STATUSR, ncpu, ®, true);
+
+ reg = c->gicr_waker;
+ kvm_gicr_access(s, GICR_WAKER, ncpu, ®, true);
+
+ reg = c->gicr_igroupr0;
+ kvm_gicr_access(s, GICR_IGROUPR0, ncpu, ®, true);
+
+ reg = ~0;
+ kvm_gicr_access(s, GICR_ICENABLER0, ncpu, ®, true);
+ reg = c->gicr_ienabler0;
+ kvm_gicr_access(s, GICR_ISENABLER0, ncpu, ®, true);
+
+ /* Restore config before pending so we treat level/edge correctly */
+ reg = half_shuffle32(c->edge_trigger >> 16) << 1;
+ kvm_gicr_access(s, GICR_ICFGR1, ncpu, ®, true);
+
+ reg = c->level;
+ kvm_gic_line_level_access(s, 0, ncpu, ®, true);
+
+ reg = ~0;
+ kvm_gicr_access(s, GICR_ICPENDR0, ncpu, ®, true);
+ reg = c->gicr_ipendr0;
+ kvm_gicr_access(s, GICR_ISPENDR0, ncpu, ®, true);
+
+ reg = ~0;
+ kvm_gicr_access(s, GICR_ICACTIVER0, ncpu, ®, true);
+ reg = c->gicr_iactiver0;
+ kvm_gicr_access(s, GICR_ISACTIVER0, ncpu, ®, true);
+
+ for (i = 0; i < GIC_INTERNAL; i += 4) {
+ reg = c->gicr_ipriorityr[i] |
+ (c->gicr_ipriorityr[i + 1] << 8) |
+ (c->gicr_ipriorityr[i + 2] << 16) |
+ (c->gicr_ipriorityr[i + 3] << 24);
+ kvm_gicr_access(s, GICR_IPRIORITYR + i, ncpu, ®, true);
+ }
+ }
+
+ /* Distributor state (shared between all CPUs */
+ reg = s->gicd_statusr[GICV3_NS];
+ kvm_gicd_access(s, GICD_STATUSR, ®, true);
+
+ /* s->enable bitmap -> GICD_ISENABLERn */
+ kvm_dist_putbmp(s, GICD_ISENABLER, GICD_ICENABLER, s->enabled);
+
+ /* s->group bitmap -> GICD_IGROUPRn */
+ kvm_dist_putbmp(s, GICD_IGROUPR, 0, s->group);
+
+ /* Restore targets before pending to ensure the pending state is set on
+ * the appropriate CPU interfaces in the kernel
+ */
+
+ /* s->gicd_irouter[irq] -> GICD_IROUTERn
+ * We can't use kvm_dist_put() here because the registers are 64-bit
+ */
+ for (i = GIC_INTERNAL; i < s->num_irq; i++) {
+ uint32_t offset;
+
+ offset = GICD_IROUTER + (sizeof(uint32_t) * i);
+ reg = (uint32_t)s->gicd_irouter[i];
+ kvm_gicd_access(s, offset, ®, true);
+
+ offset = GICD_IROUTER + (sizeof(uint32_t) * i) + 4;
+ reg = (uint32_t)(s->gicd_irouter[i] >> 32);
+ kvm_gicd_access(s, offset, ®, true);
+ }
+
+ /* s->trigger bitmap -> GICD_ICFGRn
+ * (restore configuration registers before pending IRQs so we treat
+ * level/edge correctly)
+ */
+ kvm_dist_put_edge_trigger(s, GICD_ICFGR, s->edge_trigger);
+
+ /* s->level bitmap -> line_level */
+ kvm_gic_put_line_level_bmp(s, s->level);
+
+ /* s->pending bitmap -> GICD_ISPENDRn */
+ kvm_dist_putbmp(s, GICD_ISPENDR, GICD_ICPENDR, s->pending);
+
+ /* s->active bitmap -> GICD_ISACTIVERn */
+ kvm_dist_putbmp(s, GICD_ISACTIVER, GICD_ICACTIVER, s->active);
+
+ /* s->gicd_ipriority[] -> GICD_IPRIORITYRn */
+ kvm_dist_put_priority(s, GICD_IPRIORITYR, s->gicd_ipriority);
+
+ /* CPU Interface state (one per CPU) */
+
+ for (ncpu = 0; ncpu < s->num_cpu; ncpu++) {
+ GICv3CPUState *c = &s->cpu[ncpu];
+ int num_pri_bits;
+
+ kvm_gicc_access(s, ICC_SRE_EL1, ncpu, &c->icc_sre_el1, true);
+ kvm_gicc_access(s, ICC_CTLR_EL1, ncpu,
+ &c->icc_ctlr_el1[GICV3_NS], true);
+ kvm_gicc_access(s, ICC_IGRPEN0_EL1, ncpu,
+ &c->icc_igrpen[GICV3_G0], true);
+ kvm_gicc_access(s, ICC_IGRPEN1_EL1, ncpu,
+ &c->icc_igrpen[GICV3_G1NS], true);
+ kvm_gicc_access(s, ICC_PMR_EL1, ncpu, &c->icc_pmr_el1, true);
+ kvm_gicc_access(s, ICC_BPR0_EL1, ncpu, &c->icc_bpr[GICV3_G0], true);
+ kvm_gicc_access(s, ICC_BPR1_EL1, ncpu, &c->icc_bpr[GICV3_G1NS], true);
+
+ num_pri_bits = ((c->icc_ctlr_el1[GICV3_NS] &
+ ICC_CTLR_EL1_PRIBITS_MASK) >>
+ ICC_CTLR_EL1_PRIBITS_SHIFT) + 1;
+
+ switch (num_pri_bits) {
+ case 7:
+ reg64 = c->icc_apr[GICV3_G0][3];
+ kvm_gicc_access(s, ICC_AP0R_EL1(3), ncpu, ®64, true);
+ reg64 = c->icc_apr[GICV3_G0][2];
+ kvm_gicc_access(s, ICC_AP0R_EL1(2), ncpu, ®64, true);
+ case 6:
+ reg64 = c->icc_apr[GICV3_G0][1];
+ kvm_gicc_access(s, ICC_AP0R_EL1(1), ncpu, ®64, true);
+ default:
+ reg64 = c->icc_apr[GICV3_G0][0];
+ kvm_gicc_access(s, ICC_AP0R_EL1(0), ncpu, ®64, true);
+ }
+
+ switch (num_pri_bits) {
+ case 7:
+ reg64 = c->icc_apr[GICV3_G1NS][3];
+ kvm_gicc_access(s, ICC_AP1R_EL1(3), ncpu, ®64, true);
+ reg64 = c->icc_apr[GICV3_G1NS][2];
+ kvm_gicc_access(s, ICC_AP1R_EL1(2), ncpu, ®64, true);
+ case 6:
+ reg64 = c->icc_apr[GICV3_G1NS][1];
+ kvm_gicc_access(s, ICC_AP1R_EL1(1), ncpu, ®64, true);
+ default:
+ reg64 = c->icc_apr[GICV3_G1NS][0];
+ kvm_gicc_access(s, ICC_AP1R_EL1(0), ncpu, ®64, true);
+ }
+ }
}
static void kvm_arm_gicv3_get(GICv3State *s)
{
- /* TODO */
- DPRINTF("Cannot get kernel gic state, no kernel interface\n");
+ uint32_t regl, regh, reg;
+ uint64_t reg64, redist_typer;
+ int ncpu, i;
+
+ kvm_arm_gicv3_check(s);
+
+ kvm_gicr_access(s, GICR_TYPER, 0, ®l, false);
+ kvm_gicr_access(s, GICR_TYPER + 4, 0, ®h, false);
+ redist_typer = ((uint64_t)regh << 32) | regl;
+
+ kvm_gicd_access(s, GICD_CTLR, ®, false);
+ s->gicd_ctlr = reg;
+
+ /* Redistributor state (one per CPU) */
+
+ for (ncpu = 0; ncpu < s->num_cpu; ncpu++) {
+ GICv3CPUState *c = &s->cpu[ncpu];
+
+ kvm_gicr_access(s, GICR_CTLR, ncpu, ®, false);
+ c->gicr_ctlr = reg;
+
+ kvm_gicr_access(s, GICR_STATUSR, ncpu, ®, false);
+ c->gicr_statusr[GICV3_NS] = reg;
+
+ kvm_gicr_access(s, GICR_WAKER, ncpu, ®, false);
+ c->gicr_waker = reg;
+
+ kvm_gicr_access(s, GICR_IGROUPR0, ncpu, ®, false);
+ c->gicr_igroupr0 = reg;
+ kvm_gicr_access(s, GICR_ISENABLER0, ncpu, ®, false);
+ c->gicr_ienabler0 = reg;
+ kvm_gicr_access(s, GICR_ICFGR1, ncpu, ®, false);
+ c->edge_trigger = half_unshuffle32(reg >> 1) << 16;
+ kvm_gic_line_level_access(s, 0, ncpu, ®, false);
+ c->level = reg;
+ kvm_gicr_access(s, GICR_ISPENDR0, ncpu, ®, false);
+ c->gicr_ipendr0 = reg;
+ kvm_gicr_access(s, GICR_ISACTIVER0, ncpu, ®, false);
+ c->gicr_iactiver0 = reg;
+
+ for (i = 0; i < GIC_INTERNAL; i += 4) {
+ kvm_gicr_access(s, GICR_IPRIORITYR + i, ncpu, ®, false);
+ c->gicr_ipriorityr[i] = extract32(reg, 0, 8);
+ c->gicr_ipriorityr[i + 1] = extract32(reg, 8, 8);
+ c->gicr_ipriorityr[i + 2] = extract32(reg, 16, 8);
+ c->gicr_ipriorityr[i + 3] = extract32(reg, 24, 8);
+ }
+ }
+
+ if (redist_typer & GICR_TYPER_PLPIS) {
+ for (ncpu = 0; ncpu < s->num_cpu; ncpu++) {
+ GICv3CPUState *c = &s->cpu[ncpu];
+
+ kvm_gicr_access(s, GICR_PROPBASER, ncpu, ®l, false);
+ kvm_gicr_access(s, GICR_PROPBASER + 4, ncpu, ®h, false);
+ c->gicr_propbaser = ((uint64_t)regh << 32) | regl;
+
+ kvm_gicr_access(s, GICR_PENDBASER, ncpu, ®l, false);
+ kvm_gicr_access(s, GICR_PENDBASER + 4, ncpu, ®h, false);
+ c->gicr_pendbaser = ((uint64_t)regh << 32) | regl;
+ }
+ }
+
+ /* Distributor state (shared between all CPUs */
+
+ kvm_gicd_access(s, GICD_STATUSR, ®, false);
+ s->gicd_statusr[GICV3_NS] = reg;
+
+ /* GICD_IGROUPRn -> s->group bitmap */
+ kvm_dist_getbmp(s, GICD_IGROUPR, s->group);
+
+ /* GICD_ISENABLERn -> s->enabled bitmap */
+ kvm_dist_getbmp(s, GICD_ISENABLER, s->enabled);
+
+ /* Line level of irq */
+ kvm_gic_get_line_level_bmp(s, s->level);
+ /* GICD_ISPENDRn -> s->pending bitmap */
+ kvm_dist_getbmp(s, GICD_ISPENDR, s->pending);
+
+ /* GICD_ISACTIVERn -> s->active bitmap */
+ kvm_dist_getbmp(s, GICD_ISACTIVER, s->active);
+
+ /* GICD_ICFGRn -> s->trigger bitmap */
+ kvm_dist_get_edge_trigger(s, GICD_ICFGR, s->edge_trigger);
+
+ /* GICD_IPRIORITYRn -> s->gicd_ipriority[] */
+ kvm_dist_get_priority(s, GICD_IPRIORITYR, s->gicd_ipriority);
+
+ /* GICD_IROUTERn -> s->gicd_irouter[irq] */
+ for (i = GIC_INTERNAL; i < s->num_irq; i++) {
+ uint32_t offset;
+
+ offset = GICD_IROUTER + (sizeof(uint32_t) * i);
+ kvm_gicd_access(s, offset, ®l, false);
+ offset = GICD_IROUTER + (sizeof(uint32_t) * i) + 4;
+ kvm_gicd_access(s, offset, ®h, false);
+ s->gicd_irouter[i] = ((uint64_t)regh << 32) | regl;
+ }
+
+ /*****************************************************************
+ * CPU Interface(s) State
+ */
+
+ for (ncpu = 0; ncpu < s->num_cpu; ncpu++) {
+ GICv3CPUState *c = &s->cpu[ncpu];
+ int num_pri_bits;
+
+ kvm_gicc_access(s, ICC_SRE_EL1, ncpu, &c->icc_sre_el1, false);
+ kvm_gicc_access(s, ICC_CTLR_EL1, ncpu,
+ &c->icc_ctlr_el1[GICV3_NS], false);
+ kvm_gicc_access(s, ICC_IGRPEN0_EL1, ncpu,
+ &c->icc_igrpen[GICV3_G0], false);
+ kvm_gicc_access(s, ICC_IGRPEN1_EL1, ncpu,
+ &c->icc_igrpen[GICV3_G1NS], false);
+ kvm_gicc_access(s, ICC_PMR_EL1, ncpu, &c->icc_pmr_el1, false);
+ kvm_gicc_access(s, ICC_BPR0_EL1, ncpu, &c->icc_bpr[GICV3_G0], false);
+ kvm_gicc_access(s, ICC_BPR1_EL1, ncpu, &c->icc_bpr[GICV3_G1NS], false);
+ num_pri_bits = ((c->icc_ctlr_el1[GICV3_NS] &
+ ICC_CTLR_EL1_PRIBITS_MASK) >>
+ ICC_CTLR_EL1_PRIBITS_SHIFT) + 1;
+
+ switch (num_pri_bits) {
+ case 7:
+ kvm_gicc_access(s, ICC_AP0R_EL1(3), ncpu, ®64, false);
+ c->icc_apr[GICV3_G0][3] = reg64;
+ kvm_gicc_access(s, ICC_AP0R_EL1(2), ncpu, ®64, false);
+ c->icc_apr[GICV3_G0][2] = reg64;
+ case 6:
+ kvm_gicc_access(s, ICC_AP0R_EL1(1), ncpu, ®64, false);
+ c->icc_apr[GICV3_G0][1] = reg64;
+ default:
+ kvm_gicc_access(s, ICC_AP0R_EL1(0), ncpu, ®64, false);
+ c->icc_apr[GICV3_G0][0] = reg64;
+ }
+
+ switch (num_pri_bits) {
+ case 7:
+ kvm_gicc_access(s, ICC_AP1R_EL1(3), ncpu, ®64, false);
+ c->icc_apr[GICV3_G1NS][3] = reg64;
+ kvm_gicc_access(s, ICC_AP1R_EL1(2), ncpu, ®64, false);
+ c->icc_apr[GICV3_G1NS][2] = reg64;
+ case 6:
+ kvm_gicc_access(s, ICC_AP1R_EL1(1), ncpu, ®64, false);
+ c->icc_apr[GICV3_G1NS][1] = reg64;
+ default:
+ kvm_gicc_access(s, ICC_AP1R_EL1(0), ncpu, ®64, false);
+ c->icc_apr[GICV3_G1NS][0] = reg64;
+ }
+ }
+}
+
+static void arm_gicv3_icc_reset(CPUARMState *env, const ARMCPRegInfo *ri)
+{
+ ARMCPU *cpu;
+ GICv3State *s;
+ GICv3CPUState *c;
+
+ c = (GICv3CPUState *)env->gicv3state;
+ s = c->gic;
+ cpu = ARM_CPU(c->cpu);
+
+ /* Initialize to actual HW supported configuration */
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS,
+ KVM_VGIC_ATTR(ICC_CTLR_EL1, cpu->mp_affinity),
+ &c->icc_ctlr_el1[GICV3_NS], false);
+
+ c->icc_ctlr_el1[GICV3_S] = c->icc_ctlr_el1[GICV3_NS];
+ c->icc_pmr_el1 = 0;
+ c->icc_bpr[GICV3_G0] = GIC_MIN_BPR;
+ c->icc_bpr[GICV3_G1] = GIC_MIN_BPR;
+ c->icc_bpr[GICV3_G1NS] = GIC_MIN_BPR;
+
+ c->icc_sre_el1 = 0x7;
+ memset(c->icc_apr, 0, sizeof(c->icc_apr));
+ memset(c->icc_igrpen, 0, sizeof(c->icc_igrpen));
}
static void kvm_arm_gicv3_reset(DeviceState *dev)
@@ -77,9 +638,43 @@
DPRINTF("Reset\n");
kgc->parent_reset(dev);
+
+ if (s->migration_blocker) {
+ DPRINTF("Cannot put kernel gic state, no kernel interface\n");
+ return;
+ }
+
kvm_arm_gicv3_put(s);
}
+/*
+ * CPU interface registers of GIC needs to be reset on CPU reset.
+ * For the calling arm_gicv3_icc_reset() on CPU reset, we register
+ * below ARMCPRegInfo. As we reset the whole cpu interface under single
+ * register reset, we define only one register of CPU interface instead
+ * of defining all the registers.
+ */
+static const ARMCPRegInfo gicv3_cpuif_reginfo[] = {
+ { .name = "ICC_CTLR_EL1", .state = ARM_CP_STATE_BOTH,
+ .opc0 = 3, .opc1 = 0, .crn = 12, .crm = 12, .opc2 = 4,
+ /*
+ * If ARM_CP_NOP is used, resetfn is not called,
+ * So ARM_CP_NO_RAW is appropriate type.
+ */
+ .type = ARM_CP_NO_RAW,
+ .access = PL1_RW,
+ .readfn = arm_cp_read_zero,
+ .writefn = arm_cp_write_ignore,
+ /*
+ * We hang the whole cpu interface reset routine off here
+ * rather than parcelling it out into one little function
+ * per register
+ */
+ .resetfn = arm_gicv3_icc_reset,
+ },
+ REGINFO_SENTINEL
+};
+
static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp)
{
GICv3State *s = KVM_ARM_GICV3(dev);
@@ -103,16 +698,10 @@
gicv3_init_irqs_and_mmio(s, kvm_arm_gicv3_set_irq, NULL);
- /* Block migration of a KVM GICv3 device: the API for saving and restoring
- * the state in the kernel is not yet finalised in the kernel or
- * implemented in QEMU.
- */
- error_setg(&s->migration_blocker, "vGICv3 migration is not implemented");
- migrate_add_blocker(s->migration_blocker, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- error_free(s->migration_blocker);
- return;
+ for (i = 0; i < s->num_cpu; i++) {
+ ARMCPU *cpu = ARM_CPU(qemu_get_cpu(i));
+
+ define_arm_cp_regs(cpu, gicv3_cpuif_reginfo);
}
/* Try to create the device via the device control API */
@@ -145,6 +734,18 @@
kvm_irqchip_commit_routes(kvm_state);
}
+
+ if (!kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_DIST_REGS,
+ GICD_CTLR)) {
+ error_setg(&s->migration_blocker, "This operating system kernel does "
+ "not support vGICv3 migration");
+ migrate_add_blocker(s->migration_blocker, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ error_free(s->migration_blocker);
+ return;
+ }
+ }
}
static void kvm_arm_gicv3_class_init(ObjectClass *klass, void *data)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 76097b4..32ffa0b 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -17,8 +17,8 @@
#include "hw/sysbus.h"
#include "qemu/timer.h"
#include "hw/arm/arm.h"
+#include "hw/arm/armv7m_nvic.h"
#include "target/arm/cpu.h"
-#include "exec/address-spaces.h"
#include "qemu/log.h"
#include "trace.h"
@@ -47,7 +47,6 @@
* "exception" more or less interchangeably.
*/
#define NVIC_FIRST_IRQ 16
-#define NVIC_MAX_VECTORS 512
#define NVIC_MAX_IRQ (NVIC_MAX_VECTORS - NVIC_FIRST_IRQ)
/* Effective running priority of the CPU when no exception is active
@@ -55,116 +54,10 @@
*/
#define NVIC_NOEXC_PRIO 0x100
-typedef struct VecInfo {
- /* Exception priorities can range from -3 to 255; only the unmodifiable
- * priority values for RESET, NMI and HardFault can be negative.
- */
- int16_t prio;
- uint8_t enabled;
- uint8_t pending;
- uint8_t active;
- uint8_t level; /* exceptions <=15 never set level */
-} VecInfo;
-
-typedef struct NVICState {
- /*< private >*/
- SysBusDevice parent_obj;
- /*< public >*/
-
- ARMCPU *cpu;
-
- VecInfo vectors[NVIC_MAX_VECTORS];
- uint32_t prigroup;
-
- /* vectpending and exception_prio are both cached state that can
- * be recalculated from the vectors[] array and the prigroup field.
- */
- unsigned int vectpending; /* highest prio pending enabled exception */
- int exception_prio; /* group prio of the highest prio active exception */
-
- struct {
- uint32_t control;
- uint32_t reload;
- int64_t tick;
- QEMUTimer *timer;
- } systick;
-
- MemoryRegion sysregmem;
- MemoryRegion container;
-
- uint32_t num_irq;
- qemu_irq excpout;
- qemu_irq sysresetreq;
-} NVICState;
-
-#define TYPE_NVIC "armv7m_nvic"
-
-#define NVIC(obj) \
- OBJECT_CHECK(NVICState, (obj), TYPE_NVIC)
-
static const uint8_t nvic_id[] = {
0x00, 0xb0, 0x1b, 0x00, 0x0d, 0xe0, 0x05, 0xb1
};
-/* qemu timers run at 1GHz. We want something closer to 1MHz. */
-#define SYSTICK_SCALE 1000ULL
-
-#define SYSTICK_ENABLE (1 << 0)
-#define SYSTICK_TICKINT (1 << 1)
-#define SYSTICK_CLKSOURCE (1 << 2)
-#define SYSTICK_COUNTFLAG (1 << 16)
-
-int system_clock_scale;
-
-/* Conversion factor from qemu timer to SysTick frequencies. */
-static inline int64_t systick_scale(NVICState *s)
-{
- if (s->systick.control & SYSTICK_CLKSOURCE)
- return system_clock_scale;
- else
- return 1000;
-}
-
-static void systick_reload(NVICState *s, int reset)
-{
- /* The Cortex-M3 Devices Generic User Guide says that "When the
- * ENABLE bit is set to 1, the counter loads the RELOAD value from the
- * SYST RVR register and then counts down". So, we need to check the
- * ENABLE bit before reloading the value.
- */
- if ((s->systick.control & SYSTICK_ENABLE) == 0) {
- return;
- }
-
- if (reset)
- s->systick.tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- s->systick.tick += (s->systick.reload + 1) * systick_scale(s);
- timer_mod(s->systick.timer, s->systick.tick);
-}
-
-static void systick_timer_tick(void * opaque)
-{
- NVICState *s = (NVICState *)opaque;
- s->systick.control |= SYSTICK_COUNTFLAG;
- if (s->systick.control & SYSTICK_TICKINT) {
- /* Trigger the interrupt. */
- armv7m_nvic_set_pending(s, ARMV7M_EXCP_SYSTICK);
- }
- if (s->systick.reload == 0) {
- s->systick.control &= ~SYSTICK_ENABLE;
- } else {
- systick_reload(s, 0);
- }
-}
-
-static void systick_reset(NVICState *s)
-{
- s->systick.control = 0;
- s->systick.reload = 0;
- s->systick.tick = 0;
- timer_del(s->systick.timer);
-}
-
static int nvic_pending_prio(NVICState *s)
{
/* return the priority of the current pending interrupt,
@@ -510,30 +403,6 @@
switch (offset) {
case 4: /* Interrupt Control Type. */
return ((s->num_irq - NVIC_FIRST_IRQ) / 32) - 1;
- case 0x10: /* SysTick Control and Status. */
- val = s->systick.control;
- s->systick.control &= ~SYSTICK_COUNTFLAG;
- return val;
- case 0x14: /* SysTick Reload Value. */
- return s->systick.reload;
- case 0x18: /* SysTick Current Value. */
- {
- int64_t t;
- if ((s->systick.control & SYSTICK_ENABLE) == 0)
- return 0;
- t = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- if (t >= s->systick.tick)
- return 0;
- val = ((s->systick.tick - (t + 1)) / systick_scale(s)) + 1;
- /* The interrupt in triggered when the timer reaches zero.
- However the counter is not reloaded until the next clock
- tick. This is a hack to return zero during the first tick. */
- if (val > s->systick.reload)
- val = 0;
- return val;
- }
- case 0x1c: /* SysTick Calibration Value. */
- return 10000;
case 0xd00: /* CPUID Base. */
return cpu->midr;
case 0xd04: /* Interrupt Control State. */
@@ -668,40 +537,8 @@
static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value)
{
ARMCPU *cpu = s->cpu;
- uint32_t oldval;
+
switch (offset) {
- case 0x10: /* SysTick Control and Status. */
- oldval = s->systick.control;
- s->systick.control &= 0xfffffff8;
- s->systick.control |= value & 7;
- if ((oldval ^ value) & SYSTICK_ENABLE) {
- int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- if (value & SYSTICK_ENABLE) {
- if (s->systick.tick) {
- s->systick.tick += now;
- timer_mod(s->systick.timer, s->systick.tick);
- } else {
- systick_reload(s, 1);
- }
- } else {
- timer_del(s->systick.timer);
- s->systick.tick -= now;
- if (s->systick.tick < 0)
- s->systick.tick = 0;
- }
- } else if ((oldval ^ value) & SYSTICK_CLKSOURCE) {
- /* This is a hack. Force the timer to be reloaded
- when the reference clock is changed. */
- systick_reload(s, 1);
- }
- break;
- case 0x14: /* SysTick Reload Value. */
- s->systick.reload = value;
- break;
- case 0x18: /* SysTick Current Value. Writes reload the timer. */
- systick_reload(s, 1);
- s->systick.control &= ~SYSTICK_COUNTFLAG;
- break;
case 0xd04: /* Interrupt Control State. */
if (value & (1 << 31)) {
armv7m_nvic_set_pending(s, ARMV7M_EXCP_NMI);
@@ -1000,16 +837,12 @@
static const VMStateDescription vmstate_nvic = {
.name = "armv7m_nvic",
- .version_id = 3,
- .minimum_version_id = 3,
+ .version_id = 4,
+ .minimum_version_id = 4,
.post_load = &nvic_post_load,
.fields = (VMStateField[]) {
VMSTATE_STRUCT_ARRAY(vectors, NVICState, NVIC_MAX_VECTORS, 1,
vmstate_VecInfo, VecInfo),
- VMSTATE_UINT32(systick.control, NVICState),
- VMSTATE_UINT32(systick.reload, NVICState),
- VMSTATE_INT64(systick.tick, NVICState),
- VMSTATE_TIMER_PTR(systick.timer, NVICState),
VMSTATE_UINT32(prigroup, NVICState),
VMSTATE_END_OF_LIST()
}
@@ -1047,13 +880,26 @@
s->exception_prio = NVIC_NOEXC_PRIO;
s->vectpending = 0;
+}
- systick_reset(s);
+static void nvic_systick_trigger(void *opaque, int n, int level)
+{
+ NVICState *s = opaque;
+
+ if (level) {
+ /* SysTick just asked us to pend its exception.
+ * (This is different from an external interrupt line's
+ * behaviour.)
+ */
+ armv7m_nvic_set_pending(s, ARMV7M_EXCP_SYSTICK);
+ }
}
static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
{
NVICState *s = NVIC(dev);
+ SysBusDevice *systick_sbd;
+ Error *err = NULL;
s->cpu = ARM_CPU(qemu_get_cpu(0));
assert(s->cpu);
@@ -1068,10 +914,19 @@
/* include space for internal exception vectors */
s->num_irq += NVIC_FIRST_IRQ;
+ object_property_set_bool(OBJECT(&s->systick), true, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+ systick_sbd = SYS_BUS_DEVICE(&s->systick);
+ sysbus_connect_irq(systick_sbd, 0,
+ qdev_get_gpio_in_named(dev, "systick-trigger", 0));
+
/* The NVIC and System Control Space (SCS) starts at 0xe000e000
* and looks like this:
* 0x004 - ICTR
- * 0x010 - 0x1c - systick
+ * 0x010 - 0xff - systick
* 0x100..0x7ec - NVIC
* 0x7f0..0xcff - Reserved
* 0xd00..0xd3c - SCS registers
@@ -1089,12 +944,11 @@
memory_region_init_io(&s->sysregmem, OBJECT(s), &nvic_sysreg_ops, s,
"nvic_sysregs", 0x1000);
memory_region_add_subregion(&s->container, 0, &s->sysregmem);
+ memory_region_add_subregion_overlap(&s->container, 0x10,
+ sysbus_mmio_get_region(systick_sbd, 0),
+ 1);
- /* Map the whole thing into system memory at the location required
- * by the v7M architecture.
- */
- memory_region_add_subregion(get_system_memory(), 0xe000e000, &s->container);
- s->systick.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, systick_timer_tick, s);
+ sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->container);
}
static void armv7m_nvic_instance_init(Object *obj)
@@ -1109,8 +963,12 @@
NVICState *nvic = NVIC(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+ object_initialize(&nvic->systick, sizeof(nvic->systick), TYPE_SYSTICK);
+ qdev_set_parent_bus(DEVICE(&nvic->systick), sysbus_get_default());
+
sysbus_init_irq(sbd, &nvic->excpout);
qdev_init_gpio_out_named(dev, &nvic->sysresetreq, "SYSRESETREQ", 1);
+ qdev_init_gpio_in_named(dev, nvic_systick_trigger, "systick-trigger", 1);
}
static void armv7m_nvic_class_init(ObjectClass *klass, void *data)
diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h
index aeb801d..05303a5 100644
--- a/hw/intc/gicv3_internal.h
+++ b/hw/intc/gicv3_internal.h
@@ -138,6 +138,7 @@
#define ICC_CTLR_EL1_EOIMODE (1U << 1)
#define ICC_CTLR_EL1_PMHE (1U << 6)
#define ICC_CTLR_EL1_PRIBITS_SHIFT 8
+#define ICC_CTLR_EL1_PRIBITS_MASK (7U << ICC_CTLR_EL1_PRIBITS_SHIFT)
#define ICC_CTLR_EL1_IDBITS_SHIFT 11
#define ICC_CTLR_EL1_SEIS (1U << 14)
#define ICC_CTLR_EL1_A3V (1U << 15)
@@ -407,4 +408,6 @@
}
}
+void gicv3_set_gicv3state(CPUState *cpu, GICv3CPUState *s);
+
#endif /* QEMU_ARM_GICV3_INTERNAL_H */
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 2e2664f..7978c7d 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -20,6 +20,7 @@
#include "hw/s390x/virtio-ccw.h"
#include "hw/s390x/css.h"
#include "ipl.h"
+#include "qemu/error-report.h"
#define KERN_IMAGE_START 0x010000UL
#define KERN_PARM_AREA 0x010480UL
@@ -209,6 +210,7 @@
DEFINE_PROP_STRING("initrd", S390IPLState, initrd),
DEFINE_PROP_STRING("cmdline", S390IPLState, cmdline),
DEFINE_PROP_STRING("firmware", S390IPLState, firmware),
+ DEFINE_PROP_STRING("netboot_fw", S390IPLState, netboot_fw),
DEFINE_PROP_BOOL("enforce_bios", S390IPLState, enforce_bios, false),
DEFINE_PROP_BOOL("iplbext_migration", S390IPLState, iplbext_migration,
true),
@@ -226,6 +228,12 @@
TYPE_VIRTIO_CCW_DEVICE);
SCSIDevice *sd = (SCSIDevice *) object_dynamic_cast(OBJECT(dev_st),
TYPE_SCSI_DEVICE);
+ VirtIONet *vn = (VirtIONet *) object_dynamic_cast(OBJECT(dev_st),
+ TYPE_VIRTIO_NET);
+
+ if (vn) {
+ ipl->netboot = true;
+ }
if (virtio_ccw_dev) {
CcwDevice *ccw_dev = CCW_DEVICE(virtio_ccw_dev);
@@ -258,12 +266,86 @@
return false;
}
+static int load_netboot_image(Error **errp)
+{
+ S390IPLState *ipl = get_ipl_device();
+ char *netboot_filename;
+ MemoryRegion *sysmem = get_system_memory();
+ MemoryRegion *mr = NULL;
+ void *ram_ptr = NULL;
+ int img_size = -1;
+
+ mr = memory_region_find(sysmem, 0, 1).mr;
+ if (!mr) {
+ error_setg(errp, "Failed to find memory region at address 0");
+ return -1;
+ }
+
+ ram_ptr = memory_region_get_ram_ptr(mr);
+ if (!ram_ptr) {
+ error_setg(errp, "No RAM found");
+ goto unref_mr;
+ }
+
+ netboot_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, ipl->netboot_fw);
+ if (netboot_filename == NULL) {
+ error_setg(errp, "Could not find network bootloader");
+ goto unref_mr;
+ }
+
+ img_size = load_elf_ram(netboot_filename, NULL, NULL, &ipl->start_addr,
+ NULL, NULL, 1, EM_S390, 0, 0, NULL, false);
+
+ if (img_size < 0) {
+ img_size = load_image_size(netboot_filename, ram_ptr, ram_size);
+ ipl->start_addr = KERN_IMAGE_START;
+ }
+
+ if (img_size < 0) {
+ error_setg(errp, "Failed to load network bootloader");
+ }
+
+ g_free(netboot_filename);
+
+unref_mr:
+ memory_region_unref(mr);
+ return img_size;
+}
+
+static bool is_virtio_net_device(IplParameterBlock *iplb)
+{
+ uint8_t cssid;
+ uint8_t ssid;
+ uint16_t devno;
+ uint16_t schid;
+ SubchDev *sch = NULL;
+
+ if (iplb->pbt != S390_IPL_TYPE_CCW) {
+ return false;
+ }
+
+ devno = be16_to_cpu(iplb->ccw.devno);
+ ssid = iplb->ccw.ssid & 3;
+
+ for (schid = 0; schid < MAX_SCHID; schid++) {
+ for (cssid = 0; cssid < MAX_CSSID; cssid++) {
+ sch = css_find_subch(1, cssid, ssid, schid);
+
+ if (sch && sch->devno == devno) {
+ return sch->id.cu_model == VIRTIO_ID_NET;
+ }
+ }
+ }
+ return false;
+}
+
void s390_ipl_update_diag308(IplParameterBlock *iplb)
{
S390IPLState *ipl = get_ipl_device();
ipl->iplb = *iplb;
ipl->iplb_valid = true;
+ ipl->netboot = is_virtio_net_device(iplb);
}
IplParameterBlock *s390_ipl_get_iplb(void)
@@ -287,6 +369,7 @@
void s390_ipl_prepare_cpu(S390CPU *cpu)
{
S390IPLState *ipl = get_ipl_device();
+ Error *err = NULL;
cpu->env.psw.addr = ipl->start_addr;
cpu->env.psw.mask = IPL_PSW_MASK;
@@ -297,6 +380,13 @@
ipl->iplb_valid = s390_gen_initial_iplb(ipl);
}
}
+ if (ipl->netboot) {
+ if (load_netboot_image(&err) < 0) {
+ error_report_err(err);
+ vm_stop(RUN_STATE_INTERNAL_ERROR);
+ }
+ ipl->iplb.ccw.netboot_start_addr = ipl->start_addr;
+ }
}
static void s390_ipl_reset(DeviceState *dev)
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index c891095..46930e4 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -16,7 +16,8 @@
#include "cpu.h"
struct IplBlockCcw {
- uint8_t reserved0[85];
+ uint64_t netboot_start_addr;
+ uint8_t reserved0[77];
uint8_t ssid;
uint16_t devno;
uint8_t vm_flags;
@@ -100,12 +101,14 @@
IplParameterBlock iplb;
bool iplb_valid;
bool reipl_requested;
+ bool netboot;
/*< public >*/
char *kernel;
char *initrd;
char *cmdline;
char *firmware;
+ char *netboot_fw;
uint8_t cssid;
uint8_t ssid;
uint16_t devno;
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 4f0d62b..40914fd 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -116,7 +116,8 @@
/* get a BUS */
css_bus = virtual_css_bus_init();
s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
- machine->initrd_filename, "s390-ccw.img", true);
+ machine->initrd_filename, "s390-ccw.img",
+ "s390-netboot.img", true);
s390_flic_init();
dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c
index 9cfb090..afa4148 100644
--- a/hw/s390x/s390-virtio.c
+++ b/hw/s390x/s390-virtio.c
@@ -65,6 +65,7 @@
const char *kernel_cmdline,
const char *initrd_filename,
const char *firmware,
+ const char *netboot_fw,
bool enforce_bios)
{
Object *new = object_new(TYPE_S390_IPL);
@@ -78,6 +79,7 @@
}
qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
qdev_prop_set_string(dev, "firmware", firmware);
+ qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
new, NULL);
diff --git a/hw/s390x/s390-virtio.h b/hw/s390x/s390-virtio.h
index f588b80..f2377a3 100644
--- a/hw/s390x/s390-virtio.h
+++ b/hw/s390x/s390-virtio.h
@@ -24,6 +24,7 @@
const char *kernel_cmdline,
const char *initrd_filename,
const char *firmware,
+ const char *netboot_fw,
bool enforce_bios);
void s390_create_virtio_net(BusState *bus, const char *name);
void s390_nmi(NMIState *n, int cpu_index, Error **errp);
diff --git a/hw/sd/core.c b/hw/sd/core.c
index 14c2bdf..295dc44 100644
--- a/hw/sd/core.c
+++ b/hw/sd/core.c
@@ -131,6 +131,33 @@
}
}
+void sdbus_reparent_card(SDBus *from, SDBus *to)
+{
+ SDState *card = get_card(from);
+ SDCardClass *sc;
+ bool readonly;
+
+ /* We directly reparent the card object rather than implementing this
+ * as a hotpluggable connection because we don't want to expose SD cards
+ * to users as being hotpluggable, and we can get away with it in this
+ * limited use case. This could perhaps be implemented more cleanly in
+ * future by adding support to the hotplug infrastructure for "device
+ * can be hotplugged only via code, not by user".
+ */
+
+ if (!card) {
+ return;
+ }
+
+ sc = SD_CARD_GET_CLASS(card);
+ readonly = sc->get_readonly(card);
+
+ sdbus_set_inserted(from, false);
+ qdev_set_parent_bus(DEVICE(card), &to->qbus);
+ sdbus_set_inserted(to, true);
+ sdbus_set_readonly(to, readonly);
+}
+
static const TypeInfo sd_bus_info = {
.name = TYPE_SD_BUS,
.parent = TYPE_BUS,
diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs
index fc99668..dd6f27e 100644
--- a/hw/timer/Makefile.objs
+++ b/hw/timer/Makefile.objs
@@ -1,5 +1,6 @@
common-obj-$(CONFIG_ARM_TIMER) += arm_timer.o
common-obj-$(CONFIG_ARM_MPTIMER) += arm_mptimer.o
+common-obj-$(CONFIG_ARM_V7M) += armv7m_systick.o
common-obj-$(CONFIG_A9_GTIMER) += a9gtimer.o
common-obj-$(CONFIG_CADENCE) += cadence_ttc.o
common-obj-$(CONFIG_DS1338) += ds1338.o
diff --git a/hw/timer/armv7m_systick.c b/hw/timer/armv7m_systick.c
new file mode 100644
index 0000000..df8d280
--- /dev/null
+++ b/hw/timer/armv7m_systick.c
@@ -0,0 +1,240 @@
+/*
+ * ARMv7M SysTick timer
+ *
+ * Copyright (c) 2006-2007 CodeSourcery.
+ * Written by Paul Brook
+ * Copyright (c) 2017 Linaro Ltd
+ * Written by Peter Maydell
+ *
+ * This code is licensed under the GPL (version 2 or later).
+ */
+
+#include "qemu/osdep.h"
+#include "hw/timer/armv7m_systick.h"
+#include "qemu-common.h"
+#include "hw/sysbus.h"
+#include "qemu/timer.h"
+#include "qemu/log.h"
+#include "trace.h"
+
+/* qemu timers run at 1GHz. We want something closer to 1MHz. */
+#define SYSTICK_SCALE 1000ULL
+
+#define SYSTICK_ENABLE (1 << 0)
+#define SYSTICK_TICKINT (1 << 1)
+#define SYSTICK_CLKSOURCE (1 << 2)
+#define SYSTICK_COUNTFLAG (1 << 16)
+
+int system_clock_scale;
+
+/* Conversion factor from qemu timer to SysTick frequencies. */
+static inline int64_t systick_scale(SysTickState *s)
+{
+ if (s->control & SYSTICK_CLKSOURCE) {
+ return system_clock_scale;
+ } else {
+ return 1000;
+ }
+}
+
+static void systick_reload(SysTickState *s, int reset)
+{
+ /* The Cortex-M3 Devices Generic User Guide says that "When the
+ * ENABLE bit is set to 1, the counter loads the RELOAD value from the
+ * SYST RVR register and then counts down". So, we need to check the
+ * ENABLE bit before reloading the value.
+ */
+ trace_systick_reload();
+
+ if ((s->control & SYSTICK_ENABLE) == 0) {
+ return;
+ }
+
+ if (reset) {
+ s->tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ }
+ s->tick += (s->reload + 1) * systick_scale(s);
+ timer_mod(s->timer, s->tick);
+}
+
+static void systick_timer_tick(void *opaque)
+{
+ SysTickState *s = (SysTickState *)opaque;
+
+ trace_systick_timer_tick();
+
+ s->control |= SYSTICK_COUNTFLAG;
+ if (s->control & SYSTICK_TICKINT) {
+ /* Tell the NVIC to pend the SysTick exception */
+ qemu_irq_pulse(s->irq);
+ }
+ if (s->reload == 0) {
+ s->control &= ~SYSTICK_ENABLE;
+ } else {
+ systick_reload(s, 0);
+ }
+}
+
+static uint64_t systick_read(void *opaque, hwaddr addr, unsigned size)
+{
+ SysTickState *s = opaque;
+ uint32_t val;
+
+ switch (addr) {
+ case 0x0: /* SysTick Control and Status. */
+ val = s->control;
+ s->control &= ~SYSTICK_COUNTFLAG;
+ break;
+ case 0x4: /* SysTick Reload Value. */
+ val = s->reload;
+ break;
+ case 0x8: /* SysTick Current Value. */
+ {
+ int64_t t;
+
+ if ((s->control & SYSTICK_ENABLE) == 0) {
+ val = 0;
+ break;
+ }
+ t = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ if (t >= s->tick) {
+ val = 0;
+ break;
+ }
+ val = ((s->tick - (t + 1)) / systick_scale(s)) + 1;
+ /* The interrupt in triggered when the timer reaches zero.
+ However the counter is not reloaded until the next clock
+ tick. This is a hack to return zero during the first tick. */
+ if (val > s->reload) {
+ val = 0;
+ }
+ break;
+ }
+ case 0xc: /* SysTick Calibration Value. */
+ val = 10000;
+ break;
+ default:
+ val = 0;
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "SysTick: Bad read offset 0x%" HWADDR_PRIx "\n", addr);
+ break;
+ }
+
+ trace_systick_read(addr, val, size);
+ return val;
+}
+
+static void systick_write(void *opaque, hwaddr addr,
+ uint64_t value, unsigned size)
+{
+ SysTickState *s = opaque;
+
+ trace_systick_write(addr, value, size);
+
+ switch (addr) {
+ case 0x0: /* SysTick Control and Status. */
+ {
+ uint32_t oldval = s->control;
+
+ s->control &= 0xfffffff8;
+ s->control |= value & 7;
+ if ((oldval ^ value) & SYSTICK_ENABLE) {
+ int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ if (value & SYSTICK_ENABLE) {
+ if (s->tick) {
+ s->tick += now;
+ timer_mod(s->timer, s->tick);
+ } else {
+ systick_reload(s, 1);
+ }
+ } else {
+ timer_del(s->timer);
+ s->tick -= now;
+ if (s->tick < 0) {
+ s->tick = 0;
+ }
+ }
+ } else if ((oldval ^ value) & SYSTICK_CLKSOURCE) {
+ /* This is a hack. Force the timer to be reloaded
+ when the reference clock is changed. */
+ systick_reload(s, 1);
+ }
+ break;
+ }
+ case 0x4: /* SysTick Reload Value. */
+ s->reload = value;
+ break;
+ case 0x8: /* SysTick Current Value. Writes reload the timer. */
+ systick_reload(s, 1);
+ s->control &= ~SYSTICK_COUNTFLAG;
+ break;
+ default:
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "SysTick: Bad write offset 0x%" HWADDR_PRIx "\n", addr);
+ }
+}
+
+static const MemoryRegionOps systick_ops = {
+ .read = systick_read,
+ .write = systick_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid.min_access_size = 4,
+ .valid.max_access_size = 4,
+};
+
+static void systick_reset(DeviceState *dev)
+{
+ SysTickState *s = SYSTICK(dev);
+
+ s->control = 0;
+ s->reload = 0;
+ s->tick = 0;
+ timer_del(s->timer);
+}
+
+static void systick_instance_init(Object *obj)
+{
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+ SysTickState *s = SYSTICK(obj);
+
+ memory_region_init_io(&s->iomem, obj, &systick_ops, s, "systick", 0xe0);
+ sysbus_init_mmio(sbd, &s->iomem);
+ sysbus_init_irq(sbd, &s->irq);
+ s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, systick_timer_tick, s);
+}
+
+static const VMStateDescription vmstate_systick = {
+ .name = "armv7m_systick",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(control, SysTickState),
+ VMSTATE_UINT32(reload, SysTickState),
+ VMSTATE_INT64(tick, SysTickState),
+ VMSTATE_TIMER_PTR(timer, SysTickState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void systick_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->vmsd = &vmstate_systick;
+ dc->reset = systick_reset;
+}
+
+static const TypeInfo armv7m_systick_info = {
+ .name = TYPE_SYSTICK,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_init = systick_instance_init,
+ .instance_size = sizeof(SysTickState),
+ .class_init = systick_class_init,
+};
+
+static void armv7m_systick_register_types(void)
+{
+ type_register_static(&armv7m_systick_info);
+}
+
+type_init(armv7m_systick_register_types)
diff --git a/hw/timer/trace-events b/hw/timer/trace-events
index 3495c41..d17cfe6 100644
--- a/hw/timer/trace-events
+++ b/hw/timer/trace-events
@@ -49,3 +49,9 @@
aspeed_timer_set_ctrl2(uint32_t value) "Value: 0x%" PRIx32
aspeed_timer_set_value(int timer, int reg, uint32_t value) "Timer %d register %d: 0x%" PRIx32
aspeed_timer_read(uint64_t offset, unsigned size, uint64_t value) "From 0x%" PRIx64 ": of size %u: 0x%" PRIx64
+
+# hw/timer/armv7m_systick.c
+systick_reload(void) "systick reload"
+systick_timer_tick(void) "systick reload"
+systick_read(uint64_t addr, uint32_t value, unsigned size) "systick read addr 0x%" PRIx64 " data 0x%" PRIx32 " size %u"
+systick_write(uint64_t addr, uint32_t value, unsigned size) "systick write addr 0x%" PRIx64 " data 0x%" PRIx32 " size %u"
diff --git a/include/hw/arm/arm.h b/include/hw/arm/arm.h
index c175c0e..a3f79d3 100644
--- a/include/hw/arm/arm.h
+++ b/include/hw/arm/arm.h
@@ -26,6 +26,18 @@
/* armv7m.c */
DeviceState *armv7m_init(MemoryRegion *system_memory, int mem_size, int num_irq,
const char *kernel_filename, const char *cpu_model);
+/**
+ * armv7m_load_kernel:
+ * @cpu: CPU
+ * @kernel_filename: file to load
+ * @mem_size: mem_size: maximum image size to load
+ *
+ * Load the guest image for an ARMv7M system. This must be called by
+ * any ARMv7M board, either directly or via armv7m_init(). (This is
+ * necessary to ensure that the CPU resets correctly on system reset,
+ * as well as for kernel loading.)
+ */
+void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size);
/*
* struct used as a parameter of the arm_load_kernel machine init
diff --git a/include/hw/arm/armv7m.h b/include/hw/arm/armv7m.h
new file mode 100644
index 0000000..a9b3f2a
--- /dev/null
+++ b/include/hw/arm/armv7m.h
@@ -0,0 +1,63 @@
+/*
+ * ARMv7M CPU object
+ *
+ * Copyright (c) 2017 Linaro Ltd
+ * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * This code is licensed under the GPL version 2 or later.
+ */
+
+#ifndef HW_ARM_ARMV7M_H
+#define HW_ARM_ARMV7M_H
+
+#include "hw/sysbus.h"
+#include "hw/arm/armv7m_nvic.h"
+
+#define TYPE_BITBAND "ARM,bitband-memory"
+#define BITBAND(obj) OBJECT_CHECK(BitBandState, (obj), TYPE_BITBAND)
+
+typedef struct {
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
+ AddressSpace *source_as;
+ MemoryRegion iomem;
+ uint32_t base;
+ MemoryRegion *source_memory;
+} BitBandState;
+
+#define TYPE_ARMV7M "armv7m"
+#define ARMV7M(obj) OBJECT_CHECK(ARMv7MState, (obj), TYPE_ARMV7M)
+
+#define ARMV7M_NUM_BITBANDS 2
+
+/* ARMv7M container object.
+ * + Unnamed GPIO input lines: external IRQ lines for the NVIC
+ * + Named GPIO output SYSRESETREQ: signalled for guest AIRCR.SYSRESETREQ
+ * + Property "cpu-model": CPU model to instantiate
+ * + Property "num-irq": number of external IRQ lines
+ * + Property "memory": MemoryRegion defining the physical address space
+ * that CPU accesses see. (The NVIC, bitbanding and other CPU-internal
+ * devices will be automatically layered on top of this view.)
+ */
+typedef struct ARMv7MState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+ NVICState nvic;
+ BitBandState bitband[ARMV7M_NUM_BITBANDS];
+ ARMCPU *cpu;
+
+ /* MemoryRegion we pass to the CPU, with our devices layered on
+ * top of the ones the board provides in board_memory.
+ */
+ MemoryRegion container;
+
+ /* Properties */
+ char *cpu_model;
+ /* MemoryRegion the board provides to us (with its devices, RAM, etc) */
+ MemoryRegion *board_memory;
+} ARMv7MState;
+
+#endif
diff --git a/include/hw/arm/armv7m_nvic.h b/include/hw/arm/armv7m_nvic.h
new file mode 100644
index 0000000..1d145fb
--- /dev/null
+++ b/include/hw/arm/armv7m_nvic.h
@@ -0,0 +1,62 @@
+/*
+ * ARMv7M NVIC object
+ *
+ * Copyright (c) 2017 Linaro Ltd
+ * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * This code is licensed under the GPL version 2 or later.
+ */
+
+#ifndef HW_ARM_ARMV7M_NVIC_H
+#define HW_ARM_ARMV7M_NVIC_H
+
+#include "target/arm/cpu.h"
+#include "hw/sysbus.h"
+#include "hw/timer/armv7m_systick.h"
+
+#define TYPE_NVIC "armv7m_nvic"
+
+#define NVIC(obj) \
+ OBJECT_CHECK(NVICState, (obj), TYPE_NVIC)
+
+/* Highest permitted number of exceptions (architectural limit) */
+#define NVIC_MAX_VECTORS 512
+
+typedef struct VecInfo {
+ /* Exception priorities can range from -3 to 255; only the unmodifiable
+ * priority values for RESET, NMI and HardFault can be negative.
+ */
+ int16_t prio;
+ uint8_t enabled;
+ uint8_t pending;
+ uint8_t active;
+ uint8_t level; /* exceptions <=15 never set level */
+} VecInfo;
+
+typedef struct NVICState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
+ ARMCPU *cpu;
+
+ VecInfo vectors[NVIC_MAX_VECTORS];
+ uint32_t prigroup;
+
+ /* vectpending and exception_prio are both cached state that can
+ * be recalculated from the vectors[] array and the prigroup field.
+ */
+ unsigned int vectpending; /* highest prio pending enabled exception */
+ int exception_prio; /* group prio of the highest prio active exception */
+
+ MemoryRegion sysregmem;
+ MemoryRegion container;
+
+ uint32_t num_irq;
+ qemu_irq excpout;
+ qemu_irq sysresetreq;
+
+ SysTickState systick;
+} NVICState;
+
+#endif
diff --git a/include/hw/arm/bcm2835_peripherals.h b/include/hw/arm/bcm2835_peripherals.h
index 31241c7..122b286 100644
--- a/include/hw/arm/bcm2835_peripherals.h
+++ b/include/hw/arm/bcm2835_peripherals.h
@@ -22,6 +22,8 @@
#include "hw/misc/bcm2835_rng.h"
#include "hw/misc/bcm2835_mbox.h"
#include "hw/sd/sdhci.h"
+#include "hw/sd/bcm2835_sdhost.h"
+#include "hw/gpio/bcm2835_gpio.h"
#define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals"
#define BCM2835_PERIPHERALS(obj) \
@@ -45,6 +47,8 @@
BCM2835RngState rng;
BCM2835MboxState mboxes;
SDHCIState sdhci;
+ BCM2835SDHostState sdhost;
+ BCM2835GpioState gpio;
} BCM2835PeripheralState;
#endif /* BCM2835_PERIPHERALS_H */
diff --git a/include/hw/arm/stm32f205_soc.h b/include/hw/arm/stm32f205_soc.h
index 1332141..e2dce11 100644
--- a/include/hw/arm/stm32f205_soc.h
+++ b/include/hw/arm/stm32f205_soc.h
@@ -31,6 +31,7 @@
#include "hw/adc/stm32f2xx_adc.h"
#include "hw/or-irq.h"
#include "hw/ssi/stm32f2xx_spi.h"
+#include "hw/arm/armv7m.h"
#define TYPE_STM32F205_SOC "stm32f205-soc"
#define STM32F205_SOC(obj) \
@@ -51,9 +52,10 @@
SysBusDevice parent_obj;
/*< public >*/
- char *kernel_filename;
char *cpu_model;
+ ARMv7MState armv7m;
+
STM32F2XXSyscfgState syscfg;
STM32F2XXUsartState usart[STM_NUM_USARTS];
STM32F2XXTimerState timer[STM_NUM_TIMERS];
diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h
index 25659b9..a172a60 100644
--- a/include/hw/elf_ops.h
+++ b/include/hw/elf_ops.h
@@ -264,7 +264,7 @@
int must_swab, uint64_t *pentry,
uint64_t *lowaddr, uint64_t *highaddr,
int elf_machine, int clear_lsb, int data_swab,
- AddressSpace *as)
+ AddressSpace *as, bool load_rom)
{
struct elfhdr ehdr;
struct elf_phdr *phdr = NULL, *ph;
@@ -403,10 +403,15 @@
*pentry = ehdr.e_entry - ph->p_vaddr + ph->p_paddr;
}
- snprintf(label, sizeof(label), "phdr #%d: %s", i, name);
+ if (load_rom) {
+ snprintf(label, sizeof(label), "phdr #%d: %s", i, name);
- /* rom_add_elf_program() seize the ownership of 'data' */
- rom_add_elf_program(label, data, file_size, mem_size, addr, as);
+ /* rom_add_elf_program() seize the ownership of 'data' */
+ rom_add_elf_program(label, data, file_size, mem_size, addr, as);
+ } else {
+ cpu_physical_memory_write(addr, data, file_size);
+ g_free(data);
+ }
total_size += mem_size;
if (addr < low)
diff --git a/include/hw/gpio/bcm2835_gpio.h b/include/hw/gpio/bcm2835_gpio.h
new file mode 100644
index 0000000..9f8e0c7
--- /dev/null
+++ b/include/hw/gpio/bcm2835_gpio.h
@@ -0,0 +1,39 @@
+/*
+ * Raspberry Pi (BCM2835) GPIO Controller
+ *
+ * Copyright (c) 2017 Antfield SAS
+ *
+ * Authors:
+ * Clement Deschamps <clement.deschamps@antfield.fr>
+ * Luc Michel <luc.michel@antfield.fr>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef BCM2835_GPIO_H
+#define BCM2835_GPIO_H
+
+#include "hw/sd/sd.h"
+
+typedef struct BCM2835GpioState {
+ SysBusDevice parent_obj;
+
+ MemoryRegion iomem;
+
+ /* SDBus selector */
+ SDBus sdbus;
+ SDBus *sdbus_sdhci;
+ SDBus *sdbus_sdhost;
+
+ uint8_t fsel[54];
+ uint32_t lev0, lev1;
+ uint8_t sd_fsel;
+ qemu_irq out[54];
+} BCM2835GpioState;
+
+#define TYPE_BCM2835_GPIO "bcm2835_gpio"
+#define BCM2835_GPIO(obj) \
+ OBJECT_CHECK(BCM2835GpioState, (obj), TYPE_BCM2835_GPIO)
+
+#endif
diff --git a/include/hw/intc/arm_gicv3_common.h b/include/hw/intc/arm_gicv3_common.h
index 4156051..bccdfe1 100644
--- a/include/hw/intc/arm_gicv3_common.h
+++ b/include/hw/intc/arm_gicv3_common.h
@@ -172,6 +172,7 @@
uint8_t gicr_ipriorityr[GIC_INTERNAL];
/* CPU interface */
+ uint64_t icc_sre_el1;
uint64_t icc_ctlr_el1[2];
uint64_t icc_pmr_el1;
uint64_t icc_bpr[3];
diff --git a/include/hw/loader.h b/include/hw/loader.h
index 40c4153..490c9ff 100644
--- a/include/hw/loader.h
+++ b/include/hw/loader.h
@@ -65,7 +65,7 @@
#define ELF_LOAD_WRONG_ENDIAN -4
const char *load_elf_strerror(int error);
-/** load_elf_as:
+/** load_elf_ram:
* @filename: Path of ELF file
* @translate_fn: optional function to translate load addresses
* @translate_opaque: opaque data passed to @translate_fn
@@ -81,6 +81,7 @@
* words and 3 for within doublewords.
* @as: The AddressSpace to load the ELF to. The value of address_space_memory
* is used if nothing is supplied here.
+ * @load_rom : Load ELF binary as ROM
*
* Load an ELF file's contents to the emulated system's address space.
* Clients may optionally specify a callback to perform address
@@ -93,6 +94,16 @@
* If @elf_machine is EM_NONE then the machine type will be read from the
* ELF header and no checks will be carried out against the machine type.
*/
+int load_elf_ram(const char *filename,
+ uint64_t (*translate_fn)(void *, uint64_t),
+ void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
+ uint64_t *highaddr, int big_endian, int elf_machine,
+ int clear_lsb, int data_swab, AddressSpace *as,
+ bool load_rom);
+
+/** load_elf_as:
+ * Same as load_elf_ram(), but always loads the elf as ROM
+ */
int load_elf_as(const char *filename,
uint64_t (*translate_fn)(void *, uint64_t),
void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h
index 79909b2..96caefe 100644
--- a/include/hw/sd/sd.h
+++ b/include/hw/sd/sd.h
@@ -140,6 +140,17 @@
bool sdbus_data_ready(SDBus *sd);
bool sdbus_get_inserted(SDBus *sd);
bool sdbus_get_readonly(SDBus *sd);
+/**
+ * sdbus_reparent_card: Reparent an SD card from one controller to another
+ * @from: controller bus to remove card from
+ * @to: controller bus to move card to
+ *
+ * Reparent an SD card, effectively unplugging it from one controller
+ * and inserting it into another. This is useful for SoCs like the
+ * bcm2835 which have two SD controllers and connect a single SD card
+ * to them, selected by the guest reprogramming GPIO line routing.
+ */
+void sdbus_reparent_card(SDBus *from, SDBus *to);
/* Functions to be used by SD devices to report back to qdevified controllers */
void sdbus_set_inserted(SDBus *sd, bool inserted);
diff --git a/include/hw/timer/armv7m_systick.h b/include/hw/timer/armv7m_systick.h
new file mode 100644
index 0000000..cca04de
--- /dev/null
+++ b/include/hw/timer/armv7m_systick.h
@@ -0,0 +1,34 @@
+/*
+ * ARMv7M SysTick timer
+ *
+ * Copyright (c) 2006-2007 CodeSourcery.
+ * Written by Paul Brook
+ * Copyright (c) 2017 Linaro Ltd
+ * Written by Peter Maydell
+ *
+ * This code is licensed under the GPL (version 2 or later).
+ */
+
+#ifndef HW_TIMER_ARMV7M_SYSTICK_H
+#define HW_TIMER_ARMV7M_SYSTICK_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_SYSTICK "armv7m_systick"
+
+#define SYSTICK(obj) OBJECT_CHECK(SysTickState, (obj), TYPE_SYSTICK)
+
+typedef struct SysTickState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
+ uint32_t control;
+ uint32_t reload;
+ int64_t tick;
+ QEMUTimer *timer;
+ MemoryRegion iomem;
+ qemu_irq irq;
+} SysTickState;
+
+#endif
diff --git a/include/standard-headers/asm-x86/hyperv.h b/include/standard-headers/asm-x86/hyperv.h
index 47b38fb..eca9a2c 100644
--- a/include/standard-headers/asm-x86/hyperv.h
+++ b/include/standard-headers/asm-x86/hyperv.h
@@ -73,6 +73,9 @@
*/
#define HV_X64_MSR_STAT_PAGES_AVAILABLE (1 << 8)
+/* Crash MSR available */
+#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10)
+
/*
* Feature identification: EBX indicates which flags were specified at
* partition creation. The format is the same as the partition creation
@@ -144,6 +147,11 @@
*/
#define HV_X64_RELAXED_TIMING_RECOMMENDED (1 << 5)
+/*
+ * Crash notification flag.
+ */
+#define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63)
+
/* MSR used to identify the guest OS. */
#define HV_X64_MSR_GUEST_OS_ID 0x40000000
diff --git a/include/standard-headers/linux/input-event-codes.h b/include/standard-headers/linux/input-event-codes.h
index 5c10f7e..c8b3338 100644
--- a/include/standard-headers/linux/input-event-codes.h
+++ b/include/standard-headers/linux/input-event-codes.h
@@ -640,7 +640,7 @@
* Control a data application associated with the currently viewed channel,
* e.g. teletext or data broadcast application (MHEG, MHP, HbbTV, etc.)
*/
-#define KEY_DATA 0x275
+#define KEY_DATA 0x277
#define BTN_TRIGGER_HAPPY 0x2c0
#define BTN_TRIGGER_HAPPY1 0x2c0
diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h
index e5a2e68..634c9c4 100644
--- a/include/standard-headers/linux/pci_regs.h
+++ b/include/standard-headers/linux/pci_regs.h
@@ -23,6 +23,14 @@
#define LINUX_PCI_REGS_H
/*
+ * Conventional PCI and PCI-X Mode 1 devices have 256 bytes of
+ * configuration space. PCI-X Mode 2 and PCIe devices have 4096 bytes of
+ * configuration space.
+ */
+#define PCI_CFG_SPACE_SIZE 256
+#define PCI_CFG_SPACE_EXP_SIZE 4096
+
+/*
* Under PCI, each device has 256 bytes of configuration address space,
* of which the first 64 bytes are standardized as follows:
*/
@@ -674,6 +682,7 @@
#define PCI_EXT_CAP_ID_PMUX 0x1A /* Protocol Multiplexing */
#define PCI_EXT_CAP_ID_PASID 0x1B /* Process Address Space ID */
#define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */
+#define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */
#define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */
#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PTM
@@ -965,6 +974,7 @@
#define PCI_EXP_DPC_STATUS 8 /* DPC Status */
#define PCI_EXP_DPC_STATUS_TRIGGER 0x01 /* Trigger Status */
#define PCI_EXP_DPC_STATUS_INTERRUPT 0x08 /* Interrupt Status */
+#define PCI_EXP_DPC_RP_BUSY 0x10 /* Root Port Busy */
#define PCI_EXP_DPC_SOURCE_ID 10 /* DPC Source Identifier */
@@ -977,4 +987,19 @@
#define PCI_PTM_CTRL_ENABLE 0x00000001 /* PTM enable */
#define PCI_PTM_CTRL_ROOT 0x00000002 /* Root select */
+/* L1 PM Substates */
+#define PCI_L1SS_CAP 4 /* capability register */
+#define PCI_L1SS_CAP_PCIPM_L1_2 1 /* PCI PM L1.2 Support */
+#define PCI_L1SS_CAP_PCIPM_L1_1 2 /* PCI PM L1.1 Support */
+#define PCI_L1SS_CAP_ASPM_L1_2 4 /* ASPM L1.2 Support */
+#define PCI_L1SS_CAP_ASPM_L1_1 8 /* ASPM L1.1 Support */
+#define PCI_L1SS_CAP_L1_PM_SS 16 /* L1 PM Substates Support */
+#define PCI_L1SS_CTL1 8 /* Control Register 1 */
+#define PCI_L1SS_CTL1_PCIPM_L1_2 1 /* PCI PM L1.2 Enable */
+#define PCI_L1SS_CTL1_PCIPM_L1_1 2 /* PCI PM L1.1 Support */
+#define PCI_L1SS_CTL1_ASPM_L1_2 4 /* ASPM L1.2 Support */
+#define PCI_L1SS_CTL1_ASPM_L1_1 8 /* ASPM L1.1 Support */
+#define PCI_L1SS_CTL1_L1SS_MASK 0x0000000F
+#define PCI_L1SS_CTL2 0xC /* Control Register 2 */
+
#endif /* LINUX_PCI_REGS_H */
diff --git a/include/standard-headers/linux/virtio_ids.h b/include/standard-headers/linux/virtio_ids.h
index fe74e42..6d5c3b2 100644
--- a/include/standard-headers/linux/virtio_ids.h
+++ b/include/standard-headers/linux/virtio_ids.h
@@ -43,4 +43,5 @@
#define VIRTIO_ID_INPUT 18 /* virtio input */
#define VIRTIO_ID_VSOCK 19 /* virtio vsock transport */
#define VIRTIO_ID_CRYPTO 20 /* virtio crypto */
+
#endif /* _LINUX_VIRTIO_IDS_H */
diff --git a/linux-headers/asm-arm/kvm.h b/linux-headers/asm-arm/kvm.h
index 2fb7859..1101d55 100644
--- a/linux-headers/asm-arm/kvm.h
+++ b/linux-headers/asm-arm/kvm.h
@@ -87,9 +87,11 @@
/* Supported VGICv3 address types */
#define KVM_VGIC_V3_ADDR_TYPE_DIST 2
#define KVM_VGIC_V3_ADDR_TYPE_REDIST 3
+#define KVM_VGIC_ITS_ADDR_TYPE 4
#define KVM_VGIC_V3_DIST_SIZE SZ_64K
#define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K)
+#define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K)
#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */
#define KVM_ARM_VCPU_PSCI_0_2 1 /* CPU uses PSCI v0.2 */
@@ -179,10 +181,23 @@
#define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2
#define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32
#define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT)
+#define KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT 32
+#define KVM_DEV_ARM_VGIC_V3_MPIDR_MASK \
+ (0xffffffffULL << KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT)
#define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0
#define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT)
+#define KVM_DEV_ARM_VGIC_SYSREG_INSTR_MASK (0xffff)
#define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3
#define KVM_DEV_ARM_VGIC_GRP_CTRL 4
+#define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5
+#define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6
+#define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7
+#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10
+#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \
+ (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT)
+#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff
+#define VGIC_LEVEL_INFO_LINE_LEVEL 0
+
#define KVM_DEV_ARM_VGIC_CTRL_INIT 0
/* KVM_IRQ_LINE irq field index values */
diff --git a/linux-headers/asm-arm/unistd-common.h b/linux-headers/asm-arm/unistd-common.h
new file mode 100644
index 0000000..13a74af
--- /dev/null
+++ b/linux-headers/asm-arm/unistd-common.h
@@ -0,0 +1,357 @@
+#ifndef _ASM_ARM_UNISTD_COMMON_H
+#define _ASM_ARM_UNISTD_COMMON_H 1
+
+#define __NR_restart_syscall (__NR_SYSCALL_BASE + 0)
+#define __NR_exit (__NR_SYSCALL_BASE + 1)
+#define __NR_fork (__NR_SYSCALL_BASE + 2)
+#define __NR_read (__NR_SYSCALL_BASE + 3)
+#define __NR_write (__NR_SYSCALL_BASE + 4)
+#define __NR_open (__NR_SYSCALL_BASE + 5)
+#define __NR_close (__NR_SYSCALL_BASE + 6)
+#define __NR_creat (__NR_SYSCALL_BASE + 8)
+#define __NR_link (__NR_SYSCALL_BASE + 9)
+#define __NR_unlink (__NR_SYSCALL_BASE + 10)
+#define __NR_execve (__NR_SYSCALL_BASE + 11)
+#define __NR_chdir (__NR_SYSCALL_BASE + 12)
+#define __NR_mknod (__NR_SYSCALL_BASE + 14)
+#define __NR_chmod (__NR_SYSCALL_BASE + 15)
+#define __NR_lchown (__NR_SYSCALL_BASE + 16)
+#define __NR_lseek (__NR_SYSCALL_BASE + 19)
+#define __NR_getpid (__NR_SYSCALL_BASE + 20)
+#define __NR_mount (__NR_SYSCALL_BASE + 21)
+#define __NR_setuid (__NR_SYSCALL_BASE + 23)
+#define __NR_getuid (__NR_SYSCALL_BASE + 24)
+#define __NR_ptrace (__NR_SYSCALL_BASE + 26)
+#define __NR_pause (__NR_SYSCALL_BASE + 29)
+#define __NR_access (__NR_SYSCALL_BASE + 33)
+#define __NR_nice (__NR_SYSCALL_BASE + 34)
+#define __NR_sync (__NR_SYSCALL_BASE + 36)
+#define __NR_kill (__NR_SYSCALL_BASE + 37)
+#define __NR_rename (__NR_SYSCALL_BASE + 38)
+#define __NR_mkdir (__NR_SYSCALL_BASE + 39)
+#define __NR_rmdir (__NR_SYSCALL_BASE + 40)
+#define __NR_dup (__NR_SYSCALL_BASE + 41)
+#define __NR_pipe (__NR_SYSCALL_BASE + 42)
+#define __NR_times (__NR_SYSCALL_BASE + 43)
+#define __NR_brk (__NR_SYSCALL_BASE + 45)
+#define __NR_setgid (__NR_SYSCALL_BASE + 46)
+#define __NR_getgid (__NR_SYSCALL_BASE + 47)
+#define __NR_geteuid (__NR_SYSCALL_BASE + 49)
+#define __NR_getegid (__NR_SYSCALL_BASE + 50)
+#define __NR_acct (__NR_SYSCALL_BASE + 51)
+#define __NR_umount2 (__NR_SYSCALL_BASE + 52)
+#define __NR_ioctl (__NR_SYSCALL_BASE + 54)
+#define __NR_fcntl (__NR_SYSCALL_BASE + 55)
+#define __NR_setpgid (__NR_SYSCALL_BASE + 57)
+#define __NR_umask (__NR_SYSCALL_BASE + 60)
+#define __NR_chroot (__NR_SYSCALL_BASE + 61)
+#define __NR_ustat (__NR_SYSCALL_BASE + 62)
+#define __NR_dup2 (__NR_SYSCALL_BASE + 63)
+#define __NR_getppid (__NR_SYSCALL_BASE + 64)
+#define __NR_getpgrp (__NR_SYSCALL_BASE + 65)
+#define __NR_setsid (__NR_SYSCALL_BASE + 66)
+#define __NR_sigaction (__NR_SYSCALL_BASE + 67)
+#define __NR_setreuid (__NR_SYSCALL_BASE + 70)
+#define __NR_setregid (__NR_SYSCALL_BASE + 71)
+#define __NR_sigsuspend (__NR_SYSCALL_BASE + 72)
+#define __NR_sigpending (__NR_SYSCALL_BASE + 73)
+#define __NR_sethostname (__NR_SYSCALL_BASE + 74)
+#define __NR_setrlimit (__NR_SYSCALL_BASE + 75)
+#define __NR_getrusage (__NR_SYSCALL_BASE + 77)
+#define __NR_gettimeofday (__NR_SYSCALL_BASE + 78)
+#define __NR_settimeofday (__NR_SYSCALL_BASE + 79)
+#define __NR_getgroups (__NR_SYSCALL_BASE + 80)
+#define __NR_setgroups (__NR_SYSCALL_BASE + 81)
+#define __NR_symlink (__NR_SYSCALL_BASE + 83)
+#define __NR_readlink (__NR_SYSCALL_BASE + 85)
+#define __NR_uselib (__NR_SYSCALL_BASE + 86)
+#define __NR_swapon (__NR_SYSCALL_BASE + 87)
+#define __NR_reboot (__NR_SYSCALL_BASE + 88)
+#define __NR_munmap (__NR_SYSCALL_BASE + 91)
+#define __NR_truncate (__NR_SYSCALL_BASE + 92)
+#define __NR_ftruncate (__NR_SYSCALL_BASE + 93)
+#define __NR_fchmod (__NR_SYSCALL_BASE + 94)
+#define __NR_fchown (__NR_SYSCALL_BASE + 95)
+#define __NR_getpriority (__NR_SYSCALL_BASE + 96)
+#define __NR_setpriority (__NR_SYSCALL_BASE + 97)
+#define __NR_statfs (__NR_SYSCALL_BASE + 99)
+#define __NR_fstatfs (__NR_SYSCALL_BASE + 100)
+#define __NR_syslog (__NR_SYSCALL_BASE + 103)
+#define __NR_setitimer (__NR_SYSCALL_BASE + 104)
+#define __NR_getitimer (__NR_SYSCALL_BASE + 105)
+#define __NR_stat (__NR_SYSCALL_BASE + 106)
+#define __NR_lstat (__NR_SYSCALL_BASE + 107)
+#define __NR_fstat (__NR_SYSCALL_BASE + 108)
+#define __NR_vhangup (__NR_SYSCALL_BASE + 111)
+#define __NR_wait4 (__NR_SYSCALL_BASE + 114)
+#define __NR_swapoff (__NR_SYSCALL_BASE + 115)
+#define __NR_sysinfo (__NR_SYSCALL_BASE + 116)
+#define __NR_fsync (__NR_SYSCALL_BASE + 118)
+#define __NR_sigreturn (__NR_SYSCALL_BASE + 119)
+#define __NR_clone (__NR_SYSCALL_BASE + 120)
+#define __NR_setdomainname (__NR_SYSCALL_BASE + 121)
+#define __NR_uname (__NR_SYSCALL_BASE + 122)
+#define __NR_adjtimex (__NR_SYSCALL_BASE + 124)
+#define __NR_mprotect (__NR_SYSCALL_BASE + 125)
+#define __NR_sigprocmask (__NR_SYSCALL_BASE + 126)
+#define __NR_init_module (__NR_SYSCALL_BASE + 128)
+#define __NR_delete_module (__NR_SYSCALL_BASE + 129)
+#define __NR_quotactl (__NR_SYSCALL_BASE + 131)
+#define __NR_getpgid (__NR_SYSCALL_BASE + 132)
+#define __NR_fchdir (__NR_SYSCALL_BASE + 133)
+#define __NR_bdflush (__NR_SYSCALL_BASE + 134)
+#define __NR_sysfs (__NR_SYSCALL_BASE + 135)
+#define __NR_personality (__NR_SYSCALL_BASE + 136)
+#define __NR_setfsuid (__NR_SYSCALL_BASE + 138)
+#define __NR_setfsgid (__NR_SYSCALL_BASE + 139)
+#define __NR__llseek (__NR_SYSCALL_BASE + 140)
+#define __NR_getdents (__NR_SYSCALL_BASE + 141)
+#define __NR__newselect (__NR_SYSCALL_BASE + 142)
+#define __NR_flock (__NR_SYSCALL_BASE + 143)
+#define __NR_msync (__NR_SYSCALL_BASE + 144)
+#define __NR_readv (__NR_SYSCALL_BASE + 145)
+#define __NR_writev (__NR_SYSCALL_BASE + 146)
+#define __NR_getsid (__NR_SYSCALL_BASE + 147)
+#define __NR_fdatasync (__NR_SYSCALL_BASE + 148)
+#define __NR__sysctl (__NR_SYSCALL_BASE + 149)
+#define __NR_mlock (__NR_SYSCALL_BASE + 150)
+#define __NR_munlock (__NR_SYSCALL_BASE + 151)
+#define __NR_mlockall (__NR_SYSCALL_BASE + 152)
+#define __NR_munlockall (__NR_SYSCALL_BASE + 153)
+#define __NR_sched_setparam (__NR_SYSCALL_BASE + 154)
+#define __NR_sched_getparam (__NR_SYSCALL_BASE + 155)
+#define __NR_sched_setscheduler (__NR_SYSCALL_BASE + 156)
+#define __NR_sched_getscheduler (__NR_SYSCALL_BASE + 157)
+#define __NR_sched_yield (__NR_SYSCALL_BASE + 158)
+#define __NR_sched_get_priority_max (__NR_SYSCALL_BASE + 159)
+#define __NR_sched_get_priority_min (__NR_SYSCALL_BASE + 160)
+#define __NR_sched_rr_get_interval (__NR_SYSCALL_BASE + 161)
+#define __NR_nanosleep (__NR_SYSCALL_BASE + 162)
+#define __NR_mremap (__NR_SYSCALL_BASE + 163)
+#define __NR_setresuid (__NR_SYSCALL_BASE + 164)
+#define __NR_getresuid (__NR_SYSCALL_BASE + 165)
+#define __NR_poll (__NR_SYSCALL_BASE + 168)
+#define __NR_nfsservctl (__NR_SYSCALL_BASE + 169)
+#define __NR_setresgid (__NR_SYSCALL_BASE + 170)
+#define __NR_getresgid (__NR_SYSCALL_BASE + 171)
+#define __NR_prctl (__NR_SYSCALL_BASE + 172)
+#define __NR_rt_sigreturn (__NR_SYSCALL_BASE + 173)
+#define __NR_rt_sigaction (__NR_SYSCALL_BASE + 174)
+#define __NR_rt_sigprocmask (__NR_SYSCALL_BASE + 175)
+#define __NR_rt_sigpending (__NR_SYSCALL_BASE + 176)
+#define __NR_rt_sigtimedwait (__NR_SYSCALL_BASE + 177)
+#define __NR_rt_sigqueueinfo (__NR_SYSCALL_BASE + 178)
+#define __NR_rt_sigsuspend (__NR_SYSCALL_BASE + 179)
+#define __NR_pread64 (__NR_SYSCALL_BASE + 180)
+#define __NR_pwrite64 (__NR_SYSCALL_BASE + 181)
+#define __NR_chown (__NR_SYSCALL_BASE + 182)
+#define __NR_getcwd (__NR_SYSCALL_BASE + 183)
+#define __NR_capget (__NR_SYSCALL_BASE + 184)
+#define __NR_capset (__NR_SYSCALL_BASE + 185)
+#define __NR_sigaltstack (__NR_SYSCALL_BASE + 186)
+#define __NR_sendfile (__NR_SYSCALL_BASE + 187)
+#define __NR_vfork (__NR_SYSCALL_BASE + 190)
+#define __NR_ugetrlimit (__NR_SYSCALL_BASE + 191)
+#define __NR_mmap2 (__NR_SYSCALL_BASE + 192)
+#define __NR_truncate64 (__NR_SYSCALL_BASE + 193)
+#define __NR_ftruncate64 (__NR_SYSCALL_BASE + 194)
+#define __NR_stat64 (__NR_SYSCALL_BASE + 195)
+#define __NR_lstat64 (__NR_SYSCALL_BASE + 196)
+#define __NR_fstat64 (__NR_SYSCALL_BASE + 197)
+#define __NR_lchown32 (__NR_SYSCALL_BASE + 198)
+#define __NR_getuid32 (__NR_SYSCALL_BASE + 199)
+#define __NR_getgid32 (__NR_SYSCALL_BASE + 200)
+#define __NR_geteuid32 (__NR_SYSCALL_BASE + 201)
+#define __NR_getegid32 (__NR_SYSCALL_BASE + 202)
+#define __NR_setreuid32 (__NR_SYSCALL_BASE + 203)
+#define __NR_setregid32 (__NR_SYSCALL_BASE + 204)
+#define __NR_getgroups32 (__NR_SYSCALL_BASE + 205)
+#define __NR_setgroups32 (__NR_SYSCALL_BASE + 206)
+#define __NR_fchown32 (__NR_SYSCALL_BASE + 207)
+#define __NR_setresuid32 (__NR_SYSCALL_BASE + 208)
+#define __NR_getresuid32 (__NR_SYSCALL_BASE + 209)
+#define __NR_setresgid32 (__NR_SYSCALL_BASE + 210)
+#define __NR_getresgid32 (__NR_SYSCALL_BASE + 211)
+#define __NR_chown32 (__NR_SYSCALL_BASE + 212)
+#define __NR_setuid32 (__NR_SYSCALL_BASE + 213)
+#define __NR_setgid32 (__NR_SYSCALL_BASE + 214)
+#define __NR_setfsuid32 (__NR_SYSCALL_BASE + 215)
+#define __NR_setfsgid32 (__NR_SYSCALL_BASE + 216)
+#define __NR_getdents64 (__NR_SYSCALL_BASE + 217)
+#define __NR_pivot_root (__NR_SYSCALL_BASE + 218)
+#define __NR_mincore (__NR_SYSCALL_BASE + 219)
+#define __NR_madvise (__NR_SYSCALL_BASE + 220)
+#define __NR_fcntl64 (__NR_SYSCALL_BASE + 221)
+#define __NR_gettid (__NR_SYSCALL_BASE + 224)
+#define __NR_readahead (__NR_SYSCALL_BASE + 225)
+#define __NR_setxattr (__NR_SYSCALL_BASE + 226)
+#define __NR_lsetxattr (__NR_SYSCALL_BASE + 227)
+#define __NR_fsetxattr (__NR_SYSCALL_BASE + 228)
+#define __NR_getxattr (__NR_SYSCALL_BASE + 229)
+#define __NR_lgetxattr (__NR_SYSCALL_BASE + 230)
+#define __NR_fgetxattr (__NR_SYSCALL_BASE + 231)
+#define __NR_listxattr (__NR_SYSCALL_BASE + 232)
+#define __NR_llistxattr (__NR_SYSCALL_BASE + 233)
+#define __NR_flistxattr (__NR_SYSCALL_BASE + 234)
+#define __NR_removexattr (__NR_SYSCALL_BASE + 235)
+#define __NR_lremovexattr (__NR_SYSCALL_BASE + 236)
+#define __NR_fremovexattr (__NR_SYSCALL_BASE + 237)
+#define __NR_tkill (__NR_SYSCALL_BASE + 238)
+#define __NR_sendfile64 (__NR_SYSCALL_BASE + 239)
+#define __NR_futex (__NR_SYSCALL_BASE + 240)
+#define __NR_sched_setaffinity (__NR_SYSCALL_BASE + 241)
+#define __NR_sched_getaffinity (__NR_SYSCALL_BASE + 242)
+#define __NR_io_setup (__NR_SYSCALL_BASE + 243)
+#define __NR_io_destroy (__NR_SYSCALL_BASE + 244)
+#define __NR_io_getevents (__NR_SYSCALL_BASE + 245)
+#define __NR_io_submit (__NR_SYSCALL_BASE + 246)
+#define __NR_io_cancel (__NR_SYSCALL_BASE + 247)
+#define __NR_exit_group (__NR_SYSCALL_BASE + 248)
+#define __NR_lookup_dcookie (__NR_SYSCALL_BASE + 249)
+#define __NR_epoll_create (__NR_SYSCALL_BASE + 250)
+#define __NR_epoll_ctl (__NR_SYSCALL_BASE + 251)
+#define __NR_epoll_wait (__NR_SYSCALL_BASE + 252)
+#define __NR_remap_file_pages (__NR_SYSCALL_BASE + 253)
+#define __NR_set_tid_address (__NR_SYSCALL_BASE + 256)
+#define __NR_timer_create (__NR_SYSCALL_BASE + 257)
+#define __NR_timer_settime (__NR_SYSCALL_BASE + 258)
+#define __NR_timer_gettime (__NR_SYSCALL_BASE + 259)
+#define __NR_timer_getoverrun (__NR_SYSCALL_BASE + 260)
+#define __NR_timer_delete (__NR_SYSCALL_BASE + 261)
+#define __NR_clock_settime (__NR_SYSCALL_BASE + 262)
+#define __NR_clock_gettime (__NR_SYSCALL_BASE + 263)
+#define __NR_clock_getres (__NR_SYSCALL_BASE + 264)
+#define __NR_clock_nanosleep (__NR_SYSCALL_BASE + 265)
+#define __NR_statfs64 (__NR_SYSCALL_BASE + 266)
+#define __NR_fstatfs64 (__NR_SYSCALL_BASE + 267)
+#define __NR_tgkill (__NR_SYSCALL_BASE + 268)
+#define __NR_utimes (__NR_SYSCALL_BASE + 269)
+#define __NR_arm_fadvise64_64 (__NR_SYSCALL_BASE + 270)
+#define __NR_pciconfig_iobase (__NR_SYSCALL_BASE + 271)
+#define __NR_pciconfig_read (__NR_SYSCALL_BASE + 272)
+#define __NR_pciconfig_write (__NR_SYSCALL_BASE + 273)
+#define __NR_mq_open (__NR_SYSCALL_BASE + 274)
+#define __NR_mq_unlink (__NR_SYSCALL_BASE + 275)
+#define __NR_mq_timedsend (__NR_SYSCALL_BASE + 276)
+#define __NR_mq_timedreceive (__NR_SYSCALL_BASE + 277)
+#define __NR_mq_notify (__NR_SYSCALL_BASE + 278)
+#define __NR_mq_getsetattr (__NR_SYSCALL_BASE + 279)
+#define __NR_waitid (__NR_SYSCALL_BASE + 280)
+#define __NR_socket (__NR_SYSCALL_BASE + 281)
+#define __NR_bind (__NR_SYSCALL_BASE + 282)
+#define __NR_connect (__NR_SYSCALL_BASE + 283)
+#define __NR_listen (__NR_SYSCALL_BASE + 284)
+#define __NR_accept (__NR_SYSCALL_BASE + 285)
+#define __NR_getsockname (__NR_SYSCALL_BASE + 286)
+#define __NR_getpeername (__NR_SYSCALL_BASE + 287)
+#define __NR_socketpair (__NR_SYSCALL_BASE + 288)
+#define __NR_send (__NR_SYSCALL_BASE + 289)
+#define __NR_sendto (__NR_SYSCALL_BASE + 290)
+#define __NR_recv (__NR_SYSCALL_BASE + 291)
+#define __NR_recvfrom (__NR_SYSCALL_BASE + 292)
+#define __NR_shutdown (__NR_SYSCALL_BASE + 293)
+#define __NR_setsockopt (__NR_SYSCALL_BASE + 294)
+#define __NR_getsockopt (__NR_SYSCALL_BASE + 295)
+#define __NR_sendmsg (__NR_SYSCALL_BASE + 296)
+#define __NR_recvmsg (__NR_SYSCALL_BASE + 297)
+#define __NR_semop (__NR_SYSCALL_BASE + 298)
+#define __NR_semget (__NR_SYSCALL_BASE + 299)
+#define __NR_semctl (__NR_SYSCALL_BASE + 300)
+#define __NR_msgsnd (__NR_SYSCALL_BASE + 301)
+#define __NR_msgrcv (__NR_SYSCALL_BASE + 302)
+#define __NR_msgget (__NR_SYSCALL_BASE + 303)
+#define __NR_msgctl (__NR_SYSCALL_BASE + 304)
+#define __NR_shmat (__NR_SYSCALL_BASE + 305)
+#define __NR_shmdt (__NR_SYSCALL_BASE + 306)
+#define __NR_shmget (__NR_SYSCALL_BASE + 307)
+#define __NR_shmctl (__NR_SYSCALL_BASE + 308)
+#define __NR_add_key (__NR_SYSCALL_BASE + 309)
+#define __NR_request_key (__NR_SYSCALL_BASE + 310)
+#define __NR_keyctl (__NR_SYSCALL_BASE + 311)
+#define __NR_semtimedop (__NR_SYSCALL_BASE + 312)
+#define __NR_vserver (__NR_SYSCALL_BASE + 313)
+#define __NR_ioprio_set (__NR_SYSCALL_BASE + 314)
+#define __NR_ioprio_get (__NR_SYSCALL_BASE + 315)
+#define __NR_inotify_init (__NR_SYSCALL_BASE + 316)
+#define __NR_inotify_add_watch (__NR_SYSCALL_BASE + 317)
+#define __NR_inotify_rm_watch (__NR_SYSCALL_BASE + 318)
+#define __NR_mbind (__NR_SYSCALL_BASE + 319)
+#define __NR_get_mempolicy (__NR_SYSCALL_BASE + 320)
+#define __NR_set_mempolicy (__NR_SYSCALL_BASE + 321)
+#define __NR_openat (__NR_SYSCALL_BASE + 322)
+#define __NR_mkdirat (__NR_SYSCALL_BASE + 323)
+#define __NR_mknodat (__NR_SYSCALL_BASE + 324)
+#define __NR_fchownat (__NR_SYSCALL_BASE + 325)
+#define __NR_futimesat (__NR_SYSCALL_BASE + 326)
+#define __NR_fstatat64 (__NR_SYSCALL_BASE + 327)
+#define __NR_unlinkat (__NR_SYSCALL_BASE + 328)
+#define __NR_renameat (__NR_SYSCALL_BASE + 329)
+#define __NR_linkat (__NR_SYSCALL_BASE + 330)
+#define __NR_symlinkat (__NR_SYSCALL_BASE + 331)
+#define __NR_readlinkat (__NR_SYSCALL_BASE + 332)
+#define __NR_fchmodat (__NR_SYSCALL_BASE + 333)
+#define __NR_faccessat (__NR_SYSCALL_BASE + 334)
+#define __NR_pselect6 (__NR_SYSCALL_BASE + 335)
+#define __NR_ppoll (__NR_SYSCALL_BASE + 336)
+#define __NR_unshare (__NR_SYSCALL_BASE + 337)
+#define __NR_set_robust_list (__NR_SYSCALL_BASE + 338)
+#define __NR_get_robust_list (__NR_SYSCALL_BASE + 339)
+#define __NR_splice (__NR_SYSCALL_BASE + 340)
+#define __NR_arm_sync_file_range (__NR_SYSCALL_BASE + 341)
+#define __NR_tee (__NR_SYSCALL_BASE + 342)
+#define __NR_vmsplice (__NR_SYSCALL_BASE + 343)
+#define __NR_move_pages (__NR_SYSCALL_BASE + 344)
+#define __NR_getcpu (__NR_SYSCALL_BASE + 345)
+#define __NR_epoll_pwait (__NR_SYSCALL_BASE + 346)
+#define __NR_kexec_load (__NR_SYSCALL_BASE + 347)
+#define __NR_utimensat (__NR_SYSCALL_BASE + 348)
+#define __NR_signalfd (__NR_SYSCALL_BASE + 349)
+#define __NR_timerfd_create (__NR_SYSCALL_BASE + 350)
+#define __NR_eventfd (__NR_SYSCALL_BASE + 351)
+#define __NR_fallocate (__NR_SYSCALL_BASE + 352)
+#define __NR_timerfd_settime (__NR_SYSCALL_BASE + 353)
+#define __NR_timerfd_gettime (__NR_SYSCALL_BASE + 354)
+#define __NR_signalfd4 (__NR_SYSCALL_BASE + 355)
+#define __NR_eventfd2 (__NR_SYSCALL_BASE + 356)
+#define __NR_epoll_create1 (__NR_SYSCALL_BASE + 357)
+#define __NR_dup3 (__NR_SYSCALL_BASE + 358)
+#define __NR_pipe2 (__NR_SYSCALL_BASE + 359)
+#define __NR_inotify_init1 (__NR_SYSCALL_BASE + 360)
+#define __NR_preadv (__NR_SYSCALL_BASE + 361)
+#define __NR_pwritev (__NR_SYSCALL_BASE + 362)
+#define __NR_rt_tgsigqueueinfo (__NR_SYSCALL_BASE + 363)
+#define __NR_perf_event_open (__NR_SYSCALL_BASE + 364)
+#define __NR_recvmmsg (__NR_SYSCALL_BASE + 365)
+#define __NR_accept4 (__NR_SYSCALL_BASE + 366)
+#define __NR_fanotify_init (__NR_SYSCALL_BASE + 367)
+#define __NR_fanotify_mark (__NR_SYSCALL_BASE + 368)
+#define __NR_prlimit64 (__NR_SYSCALL_BASE + 369)
+#define __NR_name_to_handle_at (__NR_SYSCALL_BASE + 370)
+#define __NR_open_by_handle_at (__NR_SYSCALL_BASE + 371)
+#define __NR_clock_adjtime (__NR_SYSCALL_BASE + 372)
+#define __NR_syncfs (__NR_SYSCALL_BASE + 373)
+#define __NR_sendmmsg (__NR_SYSCALL_BASE + 374)
+#define __NR_setns (__NR_SYSCALL_BASE + 375)
+#define __NR_process_vm_readv (__NR_SYSCALL_BASE + 376)
+#define __NR_process_vm_writev (__NR_SYSCALL_BASE + 377)
+#define __NR_kcmp (__NR_SYSCALL_BASE + 378)
+#define __NR_finit_module (__NR_SYSCALL_BASE + 379)
+#define __NR_sched_setattr (__NR_SYSCALL_BASE + 380)
+#define __NR_sched_getattr (__NR_SYSCALL_BASE + 381)
+#define __NR_renameat2 (__NR_SYSCALL_BASE + 382)
+#define __NR_seccomp (__NR_SYSCALL_BASE + 383)
+#define __NR_getrandom (__NR_SYSCALL_BASE + 384)
+#define __NR_memfd_create (__NR_SYSCALL_BASE + 385)
+#define __NR_bpf (__NR_SYSCALL_BASE + 386)
+#define __NR_execveat (__NR_SYSCALL_BASE + 387)
+#define __NR_userfaultfd (__NR_SYSCALL_BASE + 388)
+#define __NR_membarrier (__NR_SYSCALL_BASE + 389)
+#define __NR_mlock2 (__NR_SYSCALL_BASE + 390)
+#define __NR_copy_file_range (__NR_SYSCALL_BASE + 391)
+#define __NR_preadv2 (__NR_SYSCALL_BASE + 392)
+#define __NR_pwritev2 (__NR_SYSCALL_BASE + 393)
+#define __NR_pkey_mprotect (__NR_SYSCALL_BASE + 394)
+#define __NR_pkey_alloc (__NR_SYSCALL_BASE + 395)
+#define __NR_pkey_free (__NR_SYSCALL_BASE + 396)
+
+#endif /* _ASM_ARM_UNISTD_COMMON_H */
diff --git a/linux-headers/asm-arm/unistd-eabi.h b/linux-headers/asm-arm/unistd-eabi.h
new file mode 100644
index 0000000..266f1fc
--- /dev/null
+++ b/linux-headers/asm-arm/unistd-eabi.h
@@ -0,0 +1,5 @@
+#ifndef _ASM_ARM_UNISTD_EABI_H
+#define _ASM_ARM_UNISTD_EABI_H 1
+
+
+#endif /* _ASM_ARM_UNISTD_EABI_H */
diff --git a/linux-headers/asm-arm/unistd-oabi.h b/linux-headers/asm-arm/unistd-oabi.h
new file mode 100644
index 0000000..47d9afb
--- /dev/null
+++ b/linux-headers/asm-arm/unistd-oabi.h
@@ -0,0 +1,17 @@
+#ifndef _ASM_ARM_UNISTD_OABI_H
+#define _ASM_ARM_UNISTD_OABI_H 1
+
+#define __NR_time (__NR_SYSCALL_BASE + 13)
+#define __NR_umount (__NR_SYSCALL_BASE + 22)
+#define __NR_stime (__NR_SYSCALL_BASE + 25)
+#define __NR_alarm (__NR_SYSCALL_BASE + 27)
+#define __NR_utime (__NR_SYSCALL_BASE + 30)
+#define __NR_getrlimit (__NR_SYSCALL_BASE + 76)
+#define __NR_select (__NR_SYSCALL_BASE + 82)
+#define __NR_readdir (__NR_SYSCALL_BASE + 89)
+#define __NR_mmap (__NR_SYSCALL_BASE + 90)
+#define __NR_socketcall (__NR_SYSCALL_BASE + 102)
+#define __NR_syscall (__NR_SYSCALL_BASE + 113)
+#define __NR_ipc (__NR_SYSCALL_BASE + 117)
+
+#endif /* _ASM_ARM_UNISTD_OABI_H */
diff --git a/linux-headers/asm-arm/unistd.h b/linux-headers/asm-arm/unistd.h
index ceb5450..155571b 100644
--- a/linux-headers/asm-arm/unistd.h
+++ b/linux-headers/asm-arm/unistd.h
@@ -17,409 +17,14 @@
#if defined(__thumb__) || defined(__ARM_EABI__)
#define __NR_SYSCALL_BASE 0
+#include <asm/unistd-eabi.h>
#else
#define __NR_SYSCALL_BASE __NR_OABI_SYSCALL_BASE
+#include <asm/unistd-oabi.h>
#endif
-/*
- * This file contains the system call numbers.
- */
-
-#define __NR_restart_syscall (__NR_SYSCALL_BASE+ 0)
-#define __NR_exit (__NR_SYSCALL_BASE+ 1)
-#define __NR_fork (__NR_SYSCALL_BASE+ 2)
-#define __NR_read (__NR_SYSCALL_BASE+ 3)
-#define __NR_write (__NR_SYSCALL_BASE+ 4)
-#define __NR_open (__NR_SYSCALL_BASE+ 5)
-#define __NR_close (__NR_SYSCALL_BASE+ 6)
- /* 7 was sys_waitpid */
-#define __NR_creat (__NR_SYSCALL_BASE+ 8)
-#define __NR_link (__NR_SYSCALL_BASE+ 9)
-#define __NR_unlink (__NR_SYSCALL_BASE+ 10)
-#define __NR_execve (__NR_SYSCALL_BASE+ 11)
-#define __NR_chdir (__NR_SYSCALL_BASE+ 12)
-#define __NR_time (__NR_SYSCALL_BASE+ 13)
-#define __NR_mknod (__NR_SYSCALL_BASE+ 14)
-#define __NR_chmod (__NR_SYSCALL_BASE+ 15)
-#define __NR_lchown (__NR_SYSCALL_BASE+ 16)
- /* 17 was sys_break */
- /* 18 was sys_stat */
-#define __NR_lseek (__NR_SYSCALL_BASE+ 19)
-#define __NR_getpid (__NR_SYSCALL_BASE+ 20)
-#define __NR_mount (__NR_SYSCALL_BASE+ 21)
-#define __NR_umount (__NR_SYSCALL_BASE+ 22)
-#define __NR_setuid (__NR_SYSCALL_BASE+ 23)
-#define __NR_getuid (__NR_SYSCALL_BASE+ 24)
-#define __NR_stime (__NR_SYSCALL_BASE+ 25)
-#define __NR_ptrace (__NR_SYSCALL_BASE+ 26)
-#define __NR_alarm (__NR_SYSCALL_BASE+ 27)
- /* 28 was sys_fstat */
-#define __NR_pause (__NR_SYSCALL_BASE+ 29)
-#define __NR_utime (__NR_SYSCALL_BASE+ 30)
- /* 31 was sys_stty */
- /* 32 was sys_gtty */
-#define __NR_access (__NR_SYSCALL_BASE+ 33)
-#define __NR_nice (__NR_SYSCALL_BASE+ 34)
- /* 35 was sys_ftime */
-#define __NR_sync (__NR_SYSCALL_BASE+ 36)
-#define __NR_kill (__NR_SYSCALL_BASE+ 37)
-#define __NR_rename (__NR_SYSCALL_BASE+ 38)
-#define __NR_mkdir (__NR_SYSCALL_BASE+ 39)
-#define __NR_rmdir (__NR_SYSCALL_BASE+ 40)
-#define __NR_dup (__NR_SYSCALL_BASE+ 41)
-#define __NR_pipe (__NR_SYSCALL_BASE+ 42)
-#define __NR_times (__NR_SYSCALL_BASE+ 43)
- /* 44 was sys_prof */
-#define __NR_brk (__NR_SYSCALL_BASE+ 45)
-#define __NR_setgid (__NR_SYSCALL_BASE+ 46)
-#define __NR_getgid (__NR_SYSCALL_BASE+ 47)
- /* 48 was sys_signal */
-#define __NR_geteuid (__NR_SYSCALL_BASE+ 49)
-#define __NR_getegid (__NR_SYSCALL_BASE+ 50)
-#define __NR_acct (__NR_SYSCALL_BASE+ 51)
-#define __NR_umount2 (__NR_SYSCALL_BASE+ 52)
- /* 53 was sys_lock */
-#define __NR_ioctl (__NR_SYSCALL_BASE+ 54)
-#define __NR_fcntl (__NR_SYSCALL_BASE+ 55)
- /* 56 was sys_mpx */
-#define __NR_setpgid (__NR_SYSCALL_BASE+ 57)
- /* 58 was sys_ulimit */
- /* 59 was sys_olduname */
-#define __NR_umask (__NR_SYSCALL_BASE+ 60)
-#define __NR_chroot (__NR_SYSCALL_BASE+ 61)
-#define __NR_ustat (__NR_SYSCALL_BASE+ 62)
-#define __NR_dup2 (__NR_SYSCALL_BASE+ 63)
-#define __NR_getppid (__NR_SYSCALL_BASE+ 64)
-#define __NR_getpgrp (__NR_SYSCALL_BASE+ 65)
-#define __NR_setsid (__NR_SYSCALL_BASE+ 66)
-#define __NR_sigaction (__NR_SYSCALL_BASE+ 67)
- /* 68 was sys_sgetmask */
- /* 69 was sys_ssetmask */
-#define __NR_setreuid (__NR_SYSCALL_BASE+ 70)
-#define __NR_setregid (__NR_SYSCALL_BASE+ 71)
-#define __NR_sigsuspend (__NR_SYSCALL_BASE+ 72)
-#define __NR_sigpending (__NR_SYSCALL_BASE+ 73)
-#define __NR_sethostname (__NR_SYSCALL_BASE+ 74)
-#define __NR_setrlimit (__NR_SYSCALL_BASE+ 75)
-#define __NR_getrlimit (__NR_SYSCALL_BASE+ 76) /* Back compat 2GB limited rlimit */
-#define __NR_getrusage (__NR_SYSCALL_BASE+ 77)
-#define __NR_gettimeofday (__NR_SYSCALL_BASE+ 78)
-#define __NR_settimeofday (__NR_SYSCALL_BASE+ 79)
-#define __NR_getgroups (__NR_SYSCALL_BASE+ 80)
-#define __NR_setgroups (__NR_SYSCALL_BASE+ 81)
-#define __NR_select (__NR_SYSCALL_BASE+ 82)
-#define __NR_symlink (__NR_SYSCALL_BASE+ 83)
- /* 84 was sys_lstat */
-#define __NR_readlink (__NR_SYSCALL_BASE+ 85)
-#define __NR_uselib (__NR_SYSCALL_BASE+ 86)
-#define __NR_swapon (__NR_SYSCALL_BASE+ 87)
-#define __NR_reboot (__NR_SYSCALL_BASE+ 88)
-#define __NR_readdir (__NR_SYSCALL_BASE+ 89)
-#define __NR_mmap (__NR_SYSCALL_BASE+ 90)
-#define __NR_munmap (__NR_SYSCALL_BASE+ 91)
-#define __NR_truncate (__NR_SYSCALL_BASE+ 92)
-#define __NR_ftruncate (__NR_SYSCALL_BASE+ 93)
-#define __NR_fchmod (__NR_SYSCALL_BASE+ 94)
-#define __NR_fchown (__NR_SYSCALL_BASE+ 95)
-#define __NR_getpriority (__NR_SYSCALL_BASE+ 96)
-#define __NR_setpriority (__NR_SYSCALL_BASE+ 97)
- /* 98 was sys_profil */
-#define __NR_statfs (__NR_SYSCALL_BASE+ 99)
-#define __NR_fstatfs (__NR_SYSCALL_BASE+100)
- /* 101 was sys_ioperm */
-#define __NR_socketcall (__NR_SYSCALL_BASE+102)
-#define __NR_syslog (__NR_SYSCALL_BASE+103)
-#define __NR_setitimer (__NR_SYSCALL_BASE+104)
-#define __NR_getitimer (__NR_SYSCALL_BASE+105)
-#define __NR_stat (__NR_SYSCALL_BASE+106)
-#define __NR_lstat (__NR_SYSCALL_BASE+107)
-#define __NR_fstat (__NR_SYSCALL_BASE+108)
- /* 109 was sys_uname */
- /* 110 was sys_iopl */
-#define __NR_vhangup (__NR_SYSCALL_BASE+111)
- /* 112 was sys_idle */
-#define __NR_syscall (__NR_SYSCALL_BASE+113) /* syscall to call a syscall! */
-#define __NR_wait4 (__NR_SYSCALL_BASE+114)
-#define __NR_swapoff (__NR_SYSCALL_BASE+115)
-#define __NR_sysinfo (__NR_SYSCALL_BASE+116)
-#define __NR_ipc (__NR_SYSCALL_BASE+117)
-#define __NR_fsync (__NR_SYSCALL_BASE+118)
-#define __NR_sigreturn (__NR_SYSCALL_BASE+119)
-#define __NR_clone (__NR_SYSCALL_BASE+120)
-#define __NR_setdomainname (__NR_SYSCALL_BASE+121)
-#define __NR_uname (__NR_SYSCALL_BASE+122)
- /* 123 was sys_modify_ldt */
-#define __NR_adjtimex (__NR_SYSCALL_BASE+124)
-#define __NR_mprotect (__NR_SYSCALL_BASE+125)
-#define __NR_sigprocmask (__NR_SYSCALL_BASE+126)
- /* 127 was sys_create_module */
-#define __NR_init_module (__NR_SYSCALL_BASE+128)
-#define __NR_delete_module (__NR_SYSCALL_BASE+129)
- /* 130 was sys_get_kernel_syms */
-#define __NR_quotactl (__NR_SYSCALL_BASE+131)
-#define __NR_getpgid (__NR_SYSCALL_BASE+132)
-#define __NR_fchdir (__NR_SYSCALL_BASE+133)
-#define __NR_bdflush (__NR_SYSCALL_BASE+134)
-#define __NR_sysfs (__NR_SYSCALL_BASE+135)
-#define __NR_personality (__NR_SYSCALL_BASE+136)
- /* 137 was sys_afs_syscall */
-#define __NR_setfsuid (__NR_SYSCALL_BASE+138)
-#define __NR_setfsgid (__NR_SYSCALL_BASE+139)
-#define __NR__llseek (__NR_SYSCALL_BASE+140)
-#define __NR_getdents (__NR_SYSCALL_BASE+141)
-#define __NR__newselect (__NR_SYSCALL_BASE+142)
-#define __NR_flock (__NR_SYSCALL_BASE+143)
-#define __NR_msync (__NR_SYSCALL_BASE+144)
-#define __NR_readv (__NR_SYSCALL_BASE+145)
-#define __NR_writev (__NR_SYSCALL_BASE+146)
-#define __NR_getsid (__NR_SYSCALL_BASE+147)
-#define __NR_fdatasync (__NR_SYSCALL_BASE+148)
-#define __NR__sysctl (__NR_SYSCALL_BASE+149)
-#define __NR_mlock (__NR_SYSCALL_BASE+150)
-#define __NR_munlock (__NR_SYSCALL_BASE+151)
-#define __NR_mlockall (__NR_SYSCALL_BASE+152)
-#define __NR_munlockall (__NR_SYSCALL_BASE+153)
-#define __NR_sched_setparam (__NR_SYSCALL_BASE+154)
-#define __NR_sched_getparam (__NR_SYSCALL_BASE+155)
-#define __NR_sched_setscheduler (__NR_SYSCALL_BASE+156)
-#define __NR_sched_getscheduler (__NR_SYSCALL_BASE+157)
-#define __NR_sched_yield (__NR_SYSCALL_BASE+158)
-#define __NR_sched_get_priority_max (__NR_SYSCALL_BASE+159)
-#define __NR_sched_get_priority_min (__NR_SYSCALL_BASE+160)
-#define __NR_sched_rr_get_interval (__NR_SYSCALL_BASE+161)
-#define __NR_nanosleep (__NR_SYSCALL_BASE+162)
-#define __NR_mremap (__NR_SYSCALL_BASE+163)
-#define __NR_setresuid (__NR_SYSCALL_BASE+164)
-#define __NR_getresuid (__NR_SYSCALL_BASE+165)
- /* 166 was sys_vm86 */
- /* 167 was sys_query_module */
-#define __NR_poll (__NR_SYSCALL_BASE+168)
-#define __NR_nfsservctl (__NR_SYSCALL_BASE+169)
-#define __NR_setresgid (__NR_SYSCALL_BASE+170)
-#define __NR_getresgid (__NR_SYSCALL_BASE+171)
-#define __NR_prctl (__NR_SYSCALL_BASE+172)
-#define __NR_rt_sigreturn (__NR_SYSCALL_BASE+173)
-#define __NR_rt_sigaction (__NR_SYSCALL_BASE+174)
-#define __NR_rt_sigprocmask (__NR_SYSCALL_BASE+175)
-#define __NR_rt_sigpending (__NR_SYSCALL_BASE+176)
-#define __NR_rt_sigtimedwait (__NR_SYSCALL_BASE+177)
-#define __NR_rt_sigqueueinfo (__NR_SYSCALL_BASE+178)
-#define __NR_rt_sigsuspend (__NR_SYSCALL_BASE+179)
-#define __NR_pread64 (__NR_SYSCALL_BASE+180)
-#define __NR_pwrite64 (__NR_SYSCALL_BASE+181)
-#define __NR_chown (__NR_SYSCALL_BASE+182)
-#define __NR_getcwd (__NR_SYSCALL_BASE+183)
-#define __NR_capget (__NR_SYSCALL_BASE+184)
-#define __NR_capset (__NR_SYSCALL_BASE+185)
-#define __NR_sigaltstack (__NR_SYSCALL_BASE+186)
-#define __NR_sendfile (__NR_SYSCALL_BASE+187)
- /* 188 reserved */
- /* 189 reserved */
-#define __NR_vfork (__NR_SYSCALL_BASE+190)
-#define __NR_ugetrlimit (__NR_SYSCALL_BASE+191) /* SuS compliant getrlimit */
-#define __NR_mmap2 (__NR_SYSCALL_BASE+192)
-#define __NR_truncate64 (__NR_SYSCALL_BASE+193)
-#define __NR_ftruncate64 (__NR_SYSCALL_BASE+194)
-#define __NR_stat64 (__NR_SYSCALL_BASE+195)
-#define __NR_lstat64 (__NR_SYSCALL_BASE+196)
-#define __NR_fstat64 (__NR_SYSCALL_BASE+197)
-#define __NR_lchown32 (__NR_SYSCALL_BASE+198)
-#define __NR_getuid32 (__NR_SYSCALL_BASE+199)
-#define __NR_getgid32 (__NR_SYSCALL_BASE+200)
-#define __NR_geteuid32 (__NR_SYSCALL_BASE+201)
-#define __NR_getegid32 (__NR_SYSCALL_BASE+202)
-#define __NR_setreuid32 (__NR_SYSCALL_BASE+203)
-#define __NR_setregid32 (__NR_SYSCALL_BASE+204)
-#define __NR_getgroups32 (__NR_SYSCALL_BASE+205)
-#define __NR_setgroups32 (__NR_SYSCALL_BASE+206)
-#define __NR_fchown32 (__NR_SYSCALL_BASE+207)
-#define __NR_setresuid32 (__NR_SYSCALL_BASE+208)
-#define __NR_getresuid32 (__NR_SYSCALL_BASE+209)
-#define __NR_setresgid32 (__NR_SYSCALL_BASE+210)
-#define __NR_getresgid32 (__NR_SYSCALL_BASE+211)
-#define __NR_chown32 (__NR_SYSCALL_BASE+212)
-#define __NR_setuid32 (__NR_SYSCALL_BASE+213)
-#define __NR_setgid32 (__NR_SYSCALL_BASE+214)
-#define __NR_setfsuid32 (__NR_SYSCALL_BASE+215)
-#define __NR_setfsgid32 (__NR_SYSCALL_BASE+216)
-#define __NR_getdents64 (__NR_SYSCALL_BASE+217)
-#define __NR_pivot_root (__NR_SYSCALL_BASE+218)
-#define __NR_mincore (__NR_SYSCALL_BASE+219)
-#define __NR_madvise (__NR_SYSCALL_BASE+220)
-#define __NR_fcntl64 (__NR_SYSCALL_BASE+221)
- /* 222 for tux */
- /* 223 is unused */
-#define __NR_gettid (__NR_SYSCALL_BASE+224)
-#define __NR_readahead (__NR_SYSCALL_BASE+225)
-#define __NR_setxattr (__NR_SYSCALL_BASE+226)
-#define __NR_lsetxattr (__NR_SYSCALL_BASE+227)
-#define __NR_fsetxattr (__NR_SYSCALL_BASE+228)
-#define __NR_getxattr (__NR_SYSCALL_BASE+229)
-#define __NR_lgetxattr (__NR_SYSCALL_BASE+230)
-#define __NR_fgetxattr (__NR_SYSCALL_BASE+231)
-#define __NR_listxattr (__NR_SYSCALL_BASE+232)
-#define __NR_llistxattr (__NR_SYSCALL_BASE+233)
-#define __NR_flistxattr (__NR_SYSCALL_BASE+234)
-#define __NR_removexattr (__NR_SYSCALL_BASE+235)
-#define __NR_lremovexattr (__NR_SYSCALL_BASE+236)
-#define __NR_fremovexattr (__NR_SYSCALL_BASE+237)
-#define __NR_tkill (__NR_SYSCALL_BASE+238)
-#define __NR_sendfile64 (__NR_SYSCALL_BASE+239)
-#define __NR_futex (__NR_SYSCALL_BASE+240)
-#define __NR_sched_setaffinity (__NR_SYSCALL_BASE+241)
-#define __NR_sched_getaffinity (__NR_SYSCALL_BASE+242)
-#define __NR_io_setup (__NR_SYSCALL_BASE+243)
-#define __NR_io_destroy (__NR_SYSCALL_BASE+244)
-#define __NR_io_getevents (__NR_SYSCALL_BASE+245)
-#define __NR_io_submit (__NR_SYSCALL_BASE+246)
-#define __NR_io_cancel (__NR_SYSCALL_BASE+247)
-#define __NR_exit_group (__NR_SYSCALL_BASE+248)
-#define __NR_lookup_dcookie (__NR_SYSCALL_BASE+249)
-#define __NR_epoll_create (__NR_SYSCALL_BASE+250)
-#define __NR_epoll_ctl (__NR_SYSCALL_BASE+251)
-#define __NR_epoll_wait (__NR_SYSCALL_BASE+252)
-#define __NR_remap_file_pages (__NR_SYSCALL_BASE+253)
- /* 254 for set_thread_area */
- /* 255 for get_thread_area */
-#define __NR_set_tid_address (__NR_SYSCALL_BASE+256)
-#define __NR_timer_create (__NR_SYSCALL_BASE+257)
-#define __NR_timer_settime (__NR_SYSCALL_BASE+258)
-#define __NR_timer_gettime (__NR_SYSCALL_BASE+259)
-#define __NR_timer_getoverrun (__NR_SYSCALL_BASE+260)
-#define __NR_timer_delete (__NR_SYSCALL_BASE+261)
-#define __NR_clock_settime (__NR_SYSCALL_BASE+262)
-#define __NR_clock_gettime (__NR_SYSCALL_BASE+263)
-#define __NR_clock_getres (__NR_SYSCALL_BASE+264)
-#define __NR_clock_nanosleep (__NR_SYSCALL_BASE+265)
-#define __NR_statfs64 (__NR_SYSCALL_BASE+266)
-#define __NR_fstatfs64 (__NR_SYSCALL_BASE+267)
-#define __NR_tgkill (__NR_SYSCALL_BASE+268)
-#define __NR_utimes (__NR_SYSCALL_BASE+269)
-#define __NR_arm_fadvise64_64 (__NR_SYSCALL_BASE+270)
-#define __NR_pciconfig_iobase (__NR_SYSCALL_BASE+271)
-#define __NR_pciconfig_read (__NR_SYSCALL_BASE+272)
-#define __NR_pciconfig_write (__NR_SYSCALL_BASE+273)
-#define __NR_mq_open (__NR_SYSCALL_BASE+274)
-#define __NR_mq_unlink (__NR_SYSCALL_BASE+275)
-#define __NR_mq_timedsend (__NR_SYSCALL_BASE+276)
-#define __NR_mq_timedreceive (__NR_SYSCALL_BASE+277)
-#define __NR_mq_notify (__NR_SYSCALL_BASE+278)
-#define __NR_mq_getsetattr (__NR_SYSCALL_BASE+279)
-#define __NR_waitid (__NR_SYSCALL_BASE+280)
-#define __NR_socket (__NR_SYSCALL_BASE+281)
-#define __NR_bind (__NR_SYSCALL_BASE+282)
-#define __NR_connect (__NR_SYSCALL_BASE+283)
-#define __NR_listen (__NR_SYSCALL_BASE+284)
-#define __NR_accept (__NR_SYSCALL_BASE+285)
-#define __NR_getsockname (__NR_SYSCALL_BASE+286)
-#define __NR_getpeername (__NR_SYSCALL_BASE+287)
-#define __NR_socketpair (__NR_SYSCALL_BASE+288)
-#define __NR_send (__NR_SYSCALL_BASE+289)
-#define __NR_sendto (__NR_SYSCALL_BASE+290)
-#define __NR_recv (__NR_SYSCALL_BASE+291)
-#define __NR_recvfrom (__NR_SYSCALL_BASE+292)
-#define __NR_shutdown (__NR_SYSCALL_BASE+293)
-#define __NR_setsockopt (__NR_SYSCALL_BASE+294)
-#define __NR_getsockopt (__NR_SYSCALL_BASE+295)
-#define __NR_sendmsg (__NR_SYSCALL_BASE+296)
-#define __NR_recvmsg (__NR_SYSCALL_BASE+297)
-#define __NR_semop (__NR_SYSCALL_BASE+298)
-#define __NR_semget (__NR_SYSCALL_BASE+299)
-#define __NR_semctl (__NR_SYSCALL_BASE+300)
-#define __NR_msgsnd (__NR_SYSCALL_BASE+301)
-#define __NR_msgrcv (__NR_SYSCALL_BASE+302)
-#define __NR_msgget (__NR_SYSCALL_BASE+303)
-#define __NR_msgctl (__NR_SYSCALL_BASE+304)
-#define __NR_shmat (__NR_SYSCALL_BASE+305)
-#define __NR_shmdt (__NR_SYSCALL_BASE+306)
-#define __NR_shmget (__NR_SYSCALL_BASE+307)
-#define __NR_shmctl (__NR_SYSCALL_BASE+308)
-#define __NR_add_key (__NR_SYSCALL_BASE+309)
-#define __NR_request_key (__NR_SYSCALL_BASE+310)
-#define __NR_keyctl (__NR_SYSCALL_BASE+311)
-#define __NR_semtimedop (__NR_SYSCALL_BASE+312)
-#define __NR_vserver (__NR_SYSCALL_BASE+313)
-#define __NR_ioprio_set (__NR_SYSCALL_BASE+314)
-#define __NR_ioprio_get (__NR_SYSCALL_BASE+315)
-#define __NR_inotify_init (__NR_SYSCALL_BASE+316)
-#define __NR_inotify_add_watch (__NR_SYSCALL_BASE+317)
-#define __NR_inotify_rm_watch (__NR_SYSCALL_BASE+318)
-#define __NR_mbind (__NR_SYSCALL_BASE+319)
-#define __NR_get_mempolicy (__NR_SYSCALL_BASE+320)
-#define __NR_set_mempolicy (__NR_SYSCALL_BASE+321)
-#define __NR_openat (__NR_SYSCALL_BASE+322)
-#define __NR_mkdirat (__NR_SYSCALL_BASE+323)
-#define __NR_mknodat (__NR_SYSCALL_BASE+324)
-#define __NR_fchownat (__NR_SYSCALL_BASE+325)
-#define __NR_futimesat (__NR_SYSCALL_BASE+326)
-#define __NR_fstatat64 (__NR_SYSCALL_BASE+327)
-#define __NR_unlinkat (__NR_SYSCALL_BASE+328)
-#define __NR_renameat (__NR_SYSCALL_BASE+329)
-#define __NR_linkat (__NR_SYSCALL_BASE+330)
-#define __NR_symlinkat (__NR_SYSCALL_BASE+331)
-#define __NR_readlinkat (__NR_SYSCALL_BASE+332)
-#define __NR_fchmodat (__NR_SYSCALL_BASE+333)
-#define __NR_faccessat (__NR_SYSCALL_BASE+334)
-#define __NR_pselect6 (__NR_SYSCALL_BASE+335)
-#define __NR_ppoll (__NR_SYSCALL_BASE+336)
-#define __NR_unshare (__NR_SYSCALL_BASE+337)
-#define __NR_set_robust_list (__NR_SYSCALL_BASE+338)
-#define __NR_get_robust_list (__NR_SYSCALL_BASE+339)
-#define __NR_splice (__NR_SYSCALL_BASE+340)
-#define __NR_arm_sync_file_range (__NR_SYSCALL_BASE+341)
+#include <asm/unistd-common.h>
#define __NR_sync_file_range2 __NR_arm_sync_file_range
-#define __NR_tee (__NR_SYSCALL_BASE+342)
-#define __NR_vmsplice (__NR_SYSCALL_BASE+343)
-#define __NR_move_pages (__NR_SYSCALL_BASE+344)
-#define __NR_getcpu (__NR_SYSCALL_BASE+345)
-#define __NR_epoll_pwait (__NR_SYSCALL_BASE+346)
-#define __NR_kexec_load (__NR_SYSCALL_BASE+347)
-#define __NR_utimensat (__NR_SYSCALL_BASE+348)
-#define __NR_signalfd (__NR_SYSCALL_BASE+349)
-#define __NR_timerfd_create (__NR_SYSCALL_BASE+350)
-#define __NR_eventfd (__NR_SYSCALL_BASE+351)
-#define __NR_fallocate (__NR_SYSCALL_BASE+352)
-#define __NR_timerfd_settime (__NR_SYSCALL_BASE+353)
-#define __NR_timerfd_gettime (__NR_SYSCALL_BASE+354)
-#define __NR_signalfd4 (__NR_SYSCALL_BASE+355)
-#define __NR_eventfd2 (__NR_SYSCALL_BASE+356)
-#define __NR_epoll_create1 (__NR_SYSCALL_BASE+357)
-#define __NR_dup3 (__NR_SYSCALL_BASE+358)
-#define __NR_pipe2 (__NR_SYSCALL_BASE+359)
-#define __NR_inotify_init1 (__NR_SYSCALL_BASE+360)
-#define __NR_preadv (__NR_SYSCALL_BASE+361)
-#define __NR_pwritev (__NR_SYSCALL_BASE+362)
-#define __NR_rt_tgsigqueueinfo (__NR_SYSCALL_BASE+363)
-#define __NR_perf_event_open (__NR_SYSCALL_BASE+364)
-#define __NR_recvmmsg (__NR_SYSCALL_BASE+365)
-#define __NR_accept4 (__NR_SYSCALL_BASE+366)
-#define __NR_fanotify_init (__NR_SYSCALL_BASE+367)
-#define __NR_fanotify_mark (__NR_SYSCALL_BASE+368)
-#define __NR_prlimit64 (__NR_SYSCALL_BASE+369)
-#define __NR_name_to_handle_at (__NR_SYSCALL_BASE+370)
-#define __NR_open_by_handle_at (__NR_SYSCALL_BASE+371)
-#define __NR_clock_adjtime (__NR_SYSCALL_BASE+372)
-#define __NR_syncfs (__NR_SYSCALL_BASE+373)
-#define __NR_sendmmsg (__NR_SYSCALL_BASE+374)
-#define __NR_setns (__NR_SYSCALL_BASE+375)
-#define __NR_process_vm_readv (__NR_SYSCALL_BASE+376)
-#define __NR_process_vm_writev (__NR_SYSCALL_BASE+377)
-#define __NR_kcmp (__NR_SYSCALL_BASE+378)
-#define __NR_finit_module (__NR_SYSCALL_BASE+379)
-#define __NR_sched_setattr (__NR_SYSCALL_BASE+380)
-#define __NR_sched_getattr (__NR_SYSCALL_BASE+381)
-#define __NR_renameat2 (__NR_SYSCALL_BASE+382)
-#define __NR_seccomp (__NR_SYSCALL_BASE+383)
-#define __NR_getrandom (__NR_SYSCALL_BASE+384)
-#define __NR_memfd_create (__NR_SYSCALL_BASE+385)
-#define __NR_bpf (__NR_SYSCALL_BASE+386)
-#define __NR_execveat (__NR_SYSCALL_BASE+387)
-#define __NR_userfaultfd (__NR_SYSCALL_BASE+388)
-#define __NR_membarrier (__NR_SYSCALL_BASE+389)
-#define __NR_mlock2 (__NR_SYSCALL_BASE+390)
-#define __NR_copy_file_range (__NR_SYSCALL_BASE+391)
-#define __NR_preadv2 (__NR_SYSCALL_BASE+392)
-#define __NR_pwritev2 (__NR_SYSCALL_BASE+393)
/*
* The following SWIs are ARM private.
@@ -431,22 +36,4 @@
#define __ARM_NR_usr32 (__ARM_NR_BASE+4)
#define __ARM_NR_set_tls (__ARM_NR_BASE+5)
-/*
- * The following syscalls are obsolete and no longer available for EABI.
- */
-#if defined(__ARM_EABI__)
-#undef __NR_time
-#undef __NR_umount
-#undef __NR_stime
-#undef __NR_alarm
-#undef __NR_utime
-#undef __NR_getrlimit
-#undef __NR_select
-#undef __NR_readdir
-#undef __NR_mmap
-#undef __NR_socketcall
-#undef __NR_syscall
-#undef __NR_ipc
-#endif
-
#endif /* __ASM_ARM_UNISTD_H */
diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
index fd5a276..651ec30 100644
--- a/linux-headers/asm-arm64/kvm.h
+++ b/linux-headers/asm-arm64/kvm.h
@@ -201,10 +201,23 @@
#define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2
#define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32
#define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT)
+#define KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT 32
+#define KVM_DEV_ARM_VGIC_V3_MPIDR_MASK \
+ (0xffffffffULL << KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT)
#define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0
#define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT)
+#define KVM_DEV_ARM_VGIC_SYSREG_INSTR_MASK (0xffff)
#define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3
#define KVM_DEV_ARM_VGIC_GRP_CTRL 4
+#define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5
+#define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6
+#define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7
+#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10
+#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \
+ (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT)
+#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff
+#define VGIC_LEVEL_INFO_LINE_LEVEL 0
+
#define KVM_DEV_ARM_VGIC_CTRL_INIT 0
/* Device Control API on vcpu fd */
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index c93cf35..4edbe4b 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -413,6 +413,26 @@
__u16 n_invalid;
};
+/* For KVM_PPC_CONFIGURE_V3_MMU */
+struct kvm_ppc_mmuv3_cfg {
+ __u64 flags;
+ __u64 process_table; /* second doubleword of partition table entry */
+};
+
+/* Flag values for KVM_PPC_CONFIGURE_V3_MMU */
+#define KVM_PPC_MMUV3_RADIX 1 /* 1 = radix mode, 0 = HPT */
+#define KVM_PPC_MMUV3_GTSE 2 /* global translation shootdown enb. */
+
+/* For KVM_PPC_GET_RMMU_INFO */
+struct kvm_ppc_rmmu_info {
+ struct kvm_ppc_radix_geom {
+ __u8 page_shift;
+ __u8 level_bits[4];
+ __u8 pad[3];
+ } geometries[8];
+ __u32 ap_encodings[8];
+};
+
/* Per-vcpu XICS interrupt controller state */
#define KVM_REG_PPC_ICP_STATE (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8c)
@@ -573,6 +593,10 @@
#define KVM_REG_PPC_SPRG9 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xba)
#define KVM_REG_PPC_DBSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbb)
+/* POWER9 registers */
+#define KVM_REG_PPC_TIDR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbc)
+#define KVM_REG_PPC_PSSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbd)
+
/* Transactional Memory checkpointed state:
* This is all GPRs, all VSX regs and a subset of SPRs
*/
@@ -596,6 +620,7 @@
#define KVM_REG_PPC_TM_VSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67)
#define KVM_REG_PPC_TM_DSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68)
#define KVM_REG_PPC_TM_TAR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69)
+#define KVM_REG_PPC_TM_XER (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x6a)
/* PPC64 eXternal Interrupt Controller Specification */
#define KVM_DEV_XICS_GRP_SOURCES 1 /* 64-bit source attributes */
@@ -608,5 +633,7 @@
#define KVM_XICS_LEVEL_SENSITIVE (1ULL << 40)
#define KVM_XICS_MASKED (1ULL << 41)
#define KVM_XICS_PENDING (1ULL << 42)
+#define KVM_XICS_PRESENTED (1ULL << 43)
+#define KVM_XICS_QUEUED (1ULL << 44)
#endif /* __LINUX_KVM_POWERPC_H */
diff --git a/linux-headers/asm-powerpc/unistd.h b/linux-headers/asm-powerpc/unistd.h
index 1e66eba..598043c 100644
--- a/linux-headers/asm-powerpc/unistd.h
+++ b/linux-headers/asm-powerpc/unistd.h
@@ -392,5 +392,6 @@
#define __NR_copy_file_range 379
#define __NR_preadv2 380
#define __NR_pwritev2 381
+#define __NR_kexec_file_load 382
#endif /* _ASM_POWERPC_UNISTD_H_ */
diff --git a/linux-headers/asm-x86/kvm_para.h b/linux-headers/asm-x86/kvm_para.h
index e41c5c1..3a53979 100644
--- a/linux-headers/asm-x86/kvm_para.h
+++ b/linux-headers/asm-x86/kvm_para.h
@@ -45,7 +45,18 @@
__u64 steal;
__u32 version;
__u32 flags;
- __u32 pad[12];
+ __u8 preempted;
+ __u8 u8_pad[3];
+ __u32 pad[11];
+};
+
+#define KVM_CLOCK_PAIRING_WALLCLOCK 0
+struct kvm_clock_pairing {
+ __s64 sec;
+ __s64 nsec;
+ __u64 tsc;
+ __u32 flags;
+ __u32 pad[9];
};
#define KVM_STEAL_ALIGNMENT_BITS 5
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index bb0ed71..4e082a8 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -218,7 +218,8 @@
struct kvm_run {
/* in */
__u8 request_interrupt_window;
- __u8 padding1[7];
+ __u8 immediate_exit;
+ __u8 padding1[6];
/* out */
__u32 exit_reason;
@@ -651,6 +652,9 @@
};
/* for KVM_PPC_GET_PVINFO */
+
+#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
+
struct kvm_ppc_pvinfo {
/* out */
__u32 flags;
@@ -682,7 +686,12 @@
struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
};
-#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
+/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
+struct kvm_ppc_resize_hpt {
+ __u64 flags;
+ __u32 shift;
+ __u32 pad;
+};
#define KVMIO 0xAE
@@ -870,6 +879,10 @@
#define KVM_CAP_S390_USER_INSTR0 130
#define KVM_CAP_MSI_DEVID 131
#define KVM_CAP_PPC_HTM 132
+#define KVM_CAP_SPAPR_RESIZE_HPT 133
+#define KVM_CAP_PPC_MMU_RADIX 134
+#define KVM_CAP_PPC_MMU_HASH_V3 135
+#define KVM_CAP_IMMEDIATE_EXIT 136
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1186,6 +1199,13 @@
#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
/* Available with KVM_CAP_PPC_RTAS */
#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
+/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
+#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
+#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
+/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
+#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
+/* Available with KVM_CAP_PPC_RADIX_MMU */
+#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
diff --git a/linux-headers/linux/kvm_para.h b/linux-headers/linux/kvm_para.h
index e61661e..15b24ff 100644
--- a/linux-headers/linux/kvm_para.h
+++ b/linux-headers/linux/kvm_para.h
@@ -14,6 +14,7 @@
#define KVM_EFAULT EFAULT
#define KVM_E2BIG E2BIG
#define KVM_EPERM EPERM
+#define KVM_EOPNOTSUPP 95
#define KVM_HC_VAPIC_POLL_IRQ 1
#define KVM_HC_MMU_OP 2
@@ -23,6 +24,7 @@
#define KVM_HC_MIPS_GET_CLOCK_FREQ 6
#define KVM_HC_MIPS_EXIT_VM 7
#define KVM_HC_MIPS_CONSOLE_OUTPUT 8
+#define KVM_HC_CLOCK_PAIRING 9
/*
* hypercalls use architecture specific
diff --git a/linux-headers/linux/userfaultfd.h b/linux-headers/linux/userfaultfd.h
index 19e8453..2ed5dc3 100644
--- a/linux-headers/linux/userfaultfd.h
+++ b/linux-headers/linux/userfaultfd.h
@@ -11,13 +11,18 @@
#include <linux/types.h>
-#define UFFD_API ((__u64)0xAA)
/*
- * After implementing the respective features it will become:
- * #define UFFD_API_FEATURES (UFFD_FEATURE_PAGEFAULT_FLAG_WP | \
- * UFFD_FEATURE_EVENT_FORK)
+ * If the UFFDIO_API is upgraded someday, the UFFDIO_UNREGISTER and
+ * UFFDIO_WAKE ioctls should be defined as _IOW and not as _IOR. In
+ * userfaultfd.h we assumed the kernel was reading (instead _IOC_READ
+ * means the userland is reading).
*/
-#define UFFD_API_FEATURES (0)
+#define UFFD_API ((__u64)0xAA)
+#define UFFD_API_FEATURES (UFFD_FEATURE_EVENT_FORK | \
+ UFFD_FEATURE_EVENT_REMAP | \
+ UFFD_FEATURE_EVENT_MADVDONTNEED | \
+ UFFD_FEATURE_MISSING_HUGETLBFS | \
+ UFFD_FEATURE_MISSING_SHMEM)
#define UFFD_API_IOCTLS \
((__u64)1 << _UFFDIO_REGISTER | \
(__u64)1 << _UFFDIO_UNREGISTER | \
@@ -26,6 +31,9 @@
((__u64)1 << _UFFDIO_WAKE | \
(__u64)1 << _UFFDIO_COPY | \
(__u64)1 << _UFFDIO_ZEROPAGE)
+#define UFFD_API_RANGE_IOCTLS_BASIC \
+ ((__u64)1 << _UFFDIO_WAKE | \
+ (__u64)1 << _UFFDIO_COPY)
/*
* Valid ioctl command number range with this API is from 0x00 to
@@ -72,6 +80,21 @@
} pagefault;
struct {
+ __u32 ufd;
+ } fork;
+
+ struct {
+ __u64 from;
+ __u64 to;
+ __u64 len;
+ } remap;
+
+ struct {
+ __u64 start;
+ __u64 end;
+ } madv_dn;
+
+ struct {
/* unused reserved fields */
__u64 reserved1;
__u64 reserved2;
@@ -84,9 +107,9 @@
* Start at 0x12 and not at 0 to be more strict against bugs.
*/
#define UFFD_EVENT_PAGEFAULT 0x12
-#if 0 /* not available yet */
#define UFFD_EVENT_FORK 0x13
-#endif
+#define UFFD_EVENT_REMAP 0x14
+#define UFFD_EVENT_MADVDONTNEED 0x15
/* flags for UFFD_EVENT_PAGEFAULT */
#define UFFD_PAGEFAULT_FLAG_WRITE (1<<0) /* If this was a write fault */
@@ -104,11 +127,37 @@
* Note: UFFD_EVENT_PAGEFAULT and UFFD_PAGEFAULT_FLAG_WRITE
* are to be considered implicitly always enabled in all kernels as
* long as the uffdio_api.api requested matches UFFD_API.
+ *
+ * UFFD_FEATURE_MISSING_HUGETLBFS means an UFFDIO_REGISTER
+ * with UFFDIO_REGISTER_MODE_MISSING mode will succeed on
+ * hugetlbfs virtual memory ranges. Adding or not adding
+ * UFFD_FEATURE_MISSING_HUGETLBFS to uffdio_api.features has
+ * no real functional effect after UFFDIO_API returns, but
+ * it's only useful for an initial feature set probe at
+ * UFFDIO_API time. There are two ways to use it:
+ *
+ * 1) by adding UFFD_FEATURE_MISSING_HUGETLBFS to the
+ * uffdio_api.features before calling UFFDIO_API, an error
+ * will be returned by UFFDIO_API on a kernel without
+ * hugetlbfs missing support
+ *
+ * 2) the UFFD_FEATURE_MISSING_HUGETLBFS can not be added in
+ * uffdio_api.features and instead it will be set by the
+ * kernel in the uffdio_api.features if the kernel supports
+ * it, so userland can later check if the feature flag is
+ * present in uffdio_api.features after UFFDIO_API
+ * succeeded.
+ *
+ * UFFD_FEATURE_MISSING_SHMEM works the same as
+ * UFFD_FEATURE_MISSING_HUGETLBFS, but it applies to shmem
+ * (i.e. tmpfs and other shmem based APIs).
*/
-#if 0 /* not available yet */
#define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0)
#define UFFD_FEATURE_EVENT_FORK (1<<1)
-#endif
+#define UFFD_FEATURE_EVENT_REMAP (1<<2)
+#define UFFD_FEATURE_EVENT_MADVDONTNEED (1<<3)
+#define UFFD_FEATURE_MISSING_HUGETLBFS (1<<4)
+#define UFFD_FEATURE_MISSING_SHMEM (1<<5)
__u64 features;
__u64 ioctls;
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index 759b850..531cb2e 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -203,6 +203,16 @@
};
#define VFIO_DEVICE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 7)
+/*
+ * Vendor driver using Mediated device framework should provide device_api
+ * attribute in supported type attribute groups. Device API string should be one
+ * of the following corresponding to device flags in vfio_device_info structure.
+ */
+
+#define VFIO_DEVICE_API_PCI_STRING "vfio-pci"
+#define VFIO_DEVICE_API_PLATFORM_STRING "vfio-platform"
+#define VFIO_DEVICE_API_AMBA_STRING "vfio-amba"
+
/**
* VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8,
* struct vfio_region_info)
diff --git a/migration/colo.c b/migration/colo.c
index 712308e..c19eb3f 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -19,6 +19,8 @@
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "migration/failover.h"
+#include "replication.h"
+#include "qmp-commands.h"
static bool vmstate_loading;
@@ -147,6 +149,53 @@
}
}
+void qmp_xen_set_replication(bool enable, bool primary,
+ bool has_failover, bool failover,
+ Error **errp)
+{
+ ReplicationMode mode = primary ?
+ REPLICATION_MODE_PRIMARY :
+ REPLICATION_MODE_SECONDARY;
+
+ if (has_failover && enable) {
+ error_setg(errp, "Parameter 'failover' is only for"
+ " stopping replication");
+ return;
+ }
+
+ if (enable) {
+ replication_start_all(mode, errp);
+ } else {
+ if (!has_failover) {
+ failover = NULL;
+ }
+ replication_stop_all(failover, failover ? NULL : errp);
+ }
+}
+
+ReplicationStatus *qmp_query_xen_replication_status(Error **errp)
+{
+ Error *err = NULL;
+ ReplicationStatus *s = g_new0(ReplicationStatus, 1);
+
+ replication_get_error_all(&err);
+ if (err) {
+ s->error = true;
+ s->has_desc = true;
+ s->desc = g_strdup(error_get_pretty(err));
+ } else {
+ s->error = false;
+ }
+
+ error_free(err);
+ return s;
+}
+
+void qmp_xen_colo_do_checkpoint(Error **errp)
+{
+ replication_do_checkpoint_all(errp);
+}
+
static void colo_send_message(QEMUFile *f, COLOMessage msg,
Error **errp)
{
diff --git a/net/vhost-user.c b/net/vhost-user.c
index 77b8110..e7e6340 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -190,7 +190,35 @@
qemu_chr_fe_disconnect(&s->chr);
- return FALSE;
+ return TRUE;
+}
+
+static void net_vhost_user_event(void *opaque, int event);
+
+static void chr_closed_bh(void *opaque)
+{
+ const char *name = opaque;
+ NetClientState *ncs[MAX_QUEUE_NUM];
+ VhostUserState *s;
+ Error *err = NULL;
+ int queues;
+
+ queues = qemu_find_net_clients_except(name, ncs,
+ NET_CLIENT_DRIVER_NIC,
+ MAX_QUEUE_NUM);
+ assert(queues < MAX_QUEUE_NUM);
+
+ s = DO_UPCAST(VhostUserState, nc, ncs[0]);
+
+ qmp_set_link(name, false, &err);
+ vhost_user_stop(queues, ncs);
+
+ qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, net_vhost_user_event,
+ opaque, NULL, true);
+
+ if (err) {
+ error_report_err(err);
+ }
}
static void net_vhost_user_event(void *opaque, int event)
@@ -212,20 +240,31 @@
trace_vhost_user_event(chr->label, event);
switch (event) {
case CHR_EVENT_OPENED:
- s->watch = qemu_chr_fe_add_watch(&s->chr, G_IO_HUP,
- net_vhost_user_watch, s);
if (vhost_user_start(queues, ncs, &s->chr) < 0) {
qemu_chr_fe_disconnect(&s->chr);
return;
}
+ s->watch = qemu_chr_fe_add_watch(&s->chr, G_IO_HUP,
+ net_vhost_user_watch, s);
qmp_set_link(name, true, &err);
s->started = true;
break;
case CHR_EVENT_CLOSED:
- qmp_set_link(name, false, &err);
- vhost_user_stop(queues, ncs);
- g_source_remove(s->watch);
- s->watch = 0;
+ /* a close event may happen during a read/write, but vhost
+ * code assumes the vhost_dev remains setup, so delay the
+ * stop & clear to idle.
+ * FIXME: better handle failure in vhost code, remove bh
+ */
+ if (s->watch) {
+ AioContext *ctx = qemu_get_current_aio_context();
+
+ g_source_remove(s->watch);
+ s->watch = 0;
+ qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, NULL,
+ NULL, NULL, false);
+
+ aio_bh_schedule_oneshot(ctx, chr_closed_bh, opaque);
+ }
break;
}
diff --git a/pc-bios/s390-ccw.img b/pc-bios/s390-ccw.img
index cf05bf0..2a4adfa 100644
--- a/pc-bios/s390-ccw.img
+++ b/pc-bios/s390-ccw.img
Binary files differ
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index 611102e..b21c877 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -724,11 +724,17 @@
void zipl_load(void)
{
- if (virtio_get_device()->is_cdrom) {
+ VDev *vdev = virtio_get_device();
+
+ if (vdev->is_cdrom) {
ipl_iso_el_torito();
panic("\n! Cannot IPL this ISO image !\n");
}
+ if (virtio_get_device_type() == VIRTIO_ID_NET) {
+ jump_to_IPL_code(vdev->netboot_start_addr);
+ }
+
ipl_scsi();
switch (virtio_get_device_type()) {
diff --git a/pc-bios/s390-ccw/iplb.h b/pc-bios/s390-ccw/iplb.h
index 86abc56..890aed9 100644
--- a/pc-bios/s390-ccw/iplb.h
+++ b/pc-bios/s390-ccw/iplb.h
@@ -13,7 +13,8 @@
#define IPLB_H
struct IplBlockCcw {
- uint8_t reserved0[85];
+ uint64_t netboot_start_addr;
+ uint8_t reserved0[77];
uint8_t ssid;
uint16_t devno;
uint8_t vm_flags;
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index 345b848..0946766 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -53,6 +53,12 @@
if (!virtio_is_supported(blk_schid)) {
continue;
}
+ /* Skip net devices since no IPLB is created and therefore no
+ * no network bootloader has been loaded
+ */
+ if (virtio_get_device_type() == VIRTIO_ID_NET && dev_no < 0) {
+ continue;
+ }
if ((dev_no < 0) || (schib->pmcw.dev == dev_no)) {
return true;
}
@@ -67,6 +73,7 @@
int ssid;
bool found = false;
uint16_t dev_no;
+ VDev *vdev = virtio_get_device();
/*
* We unconditionally enable mss support. In every sane configuration,
@@ -85,9 +92,6 @@
found = find_dev(&schib, dev_no);
break;
case S390_IPL_TYPE_QEMU_SCSI:
- {
- VDev *vdev = virtio_get_device();
-
vdev->scsi_device_selected = true;
vdev->selected_scsi_device.channel = iplb.scsi.channel;
vdev->selected_scsi_device.target = iplb.scsi.target;
@@ -95,7 +99,6 @@
blk_schid.ssid = iplb.scsi.ssid & 0x3;
found = find_dev(&schib, iplb.scsi.devno);
break;
- }
default:
panic("List-directed IPL not supported yet!\n");
}
@@ -111,9 +114,14 @@
IPL_assert(found, "No virtio device found");
- virtio_setup_device(blk_schid);
+ if (virtio_get_device_type() == VIRTIO_ID_NET) {
+ sclp_print("Network boot device detected\n");
+ vdev->netboot_start_addr = iplb.ccw.netboot_start_addr;
+ } else {
+ virtio_setup_device(blk_schid);
- IPL_assert(virtio_ipl_disk_is_valid(), "No valid IPL device detected");
+ IPL_assert(virtio_ipl_disk_is_valid(), "No valid IPL device detected");
+ }
}
int main(void)
diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c
index b333734..6ee93d5 100644
--- a/pc-bios/s390-ccw/virtio.c
+++ b/pc-bios/s390-ccw/virtio.c
@@ -585,6 +585,7 @@
switch (vdev.senseid.cu_model) {
case VIRTIO_ID_BLOCK:
case VIRTIO_ID_SCSI:
+ case VIRTIO_ID_NET:
return true;
}
}
diff --git a/pc-bios/s390-ccw/virtio.h b/pc-bios/s390-ccw/virtio.h
index eb35ea5..3388a42 100644
--- a/pc-bios/s390-ccw/virtio.h
+++ b/pc-bios/s390-ccw/virtio.h
@@ -276,6 +276,7 @@
uint8_t scsi_dev_heads;
bool scsi_device_selected;
ScsiDevice selected_scsi_device;
+ uint64_t netboot_start_addr;
};
typedef struct VDev VDev;
diff --git a/qapi-schema.json b/qapi-schema.json
index 150ee98..d6186d4 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -5990,6 +5990,79 @@
{ 'command': 'xen-load-devices-state', 'data': {'filename': 'str'} }
##
+# @xen-set-replication:
+#
+# Enable or disable replication.
+#
+# @enable: true to enable, false to disable.
+#
+# @primary: true for primary or false for secondary.
+#
+# @failover: #optional true to do failover, false to stop. but cannot be
+# specified if 'enable' is true. default value is false.
+#
+# Returns: nothing.
+#
+# Example:
+#
+# -> { "execute": "xen-set-replication",
+# "arguments": {"enable": true, "primary": false} }
+# <- { "return": {} }
+#
+# Since: 2.9
+##
+{ 'command': 'xen-set-replication',
+ 'data': { 'enable': 'bool', 'primary': 'bool', '*failover' : 'bool' } }
+
+##
+# @ReplicationStatus:
+#
+# The result format for 'query-xen-replication-status'.
+#
+# @error: true if an error happened, false if replication is normal.
+#
+# @desc: #optional the human readable error description string, when
+# @error is 'true'.
+#
+# Since: 2.9
+##
+{ 'struct': 'ReplicationStatus',
+ 'data': { 'error': 'bool', '*desc': 'str' } }
+
+##
+# @query-xen-replication-status:
+#
+# Query replication status while the vm is running.
+#
+# Returns: A @ReplicationResult object showing the status.
+#
+# Example:
+#
+# -> { "execute": "query-xen-replication-status" }
+# <- { "return": { "error": false } }
+#
+# Since: 2.9
+##
+{ 'command': 'query-xen-replication-status',
+ 'returns': 'ReplicationStatus' }
+
+##
+# @xen-colo-do-checkpoint:
+#
+# Xen uses this command to notify replication to trigger a checkpoint.
+#
+# Returns: nothing.
+#
+# Example:
+#
+# -> { "execute": "xen-colo-do-checkpoint" }
+# <- { "return": {} }
+#
+# Since: 2.9
+##
+{ 'command': 'xen-colo-do-checkpoint' }
+
+##
# @GICCapability:
#
# The struct describes capability for a specific GIC (Generic
diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index 72cf1fb..6a370a8 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-linux-headers.sh
@@ -75,7 +75,13 @@
continue
fi
- make -C "$linux" INSTALL_HDR_PATH="$tmpdir" SRCARCH=$arch headers_install
+ if [ "$arch" = x86 ]; then
+ arch_var=SRCARCH
+ else
+ arch_var=ARCH
+ fi
+
+ make -C "$linux" INSTALL_HDR_PATH="$tmpdir" $arch_var=$arch headers_install
rm -rf "$output/linux-headers/asm-$arch"
mkdir -p "$output/linux-headers/asm-$arch"
@@ -92,6 +98,11 @@
cp_portable "$tmpdir/include/asm/kvm_virtio.h" "$output/include/standard-headers/asm-s390/"
cp_portable "$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/"
fi
+ if [ $arch = arm ]; then
+ cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/"
+ cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/"
+ cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/"
+ fi
if [ $arch = x86 ]; then
cp_portable "$tmpdir/include/asm/hyperv.h" "$output/include/standard-headers/asm-x86/"
cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/"
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 9e7b2df..25ceaab 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -521,6 +521,8 @@
void *nvic;
const struct arm_boot_info *boot_info;
+ /* Store GICv3CPUState to access from this struct */
+ void *gicv3state;
} CPUARMState;
/**
diff --git a/tests/docker/dockerfiles/debian-s390x-cross.docker b/tests/docker/dockerfiles/debian-s390x-cross.docker
new file mode 100644
index 0000000..bbb21ed
--- /dev/null
+++ b/tests/docker/dockerfiles/debian-s390x-cross.docker
@@ -0,0 +1,22 @@
+#
+# Docker s390 cross-compiler target
+#
+# This docker target is based on stretch (testing) as the stable build
+# doesn't have the cross compiler available.
+#
+FROM debian:testing-slim
+
+# Duplicate deb line as deb-src
+RUN cat /etc/apt/sources.list | sed "s/deb/deb-src/" >> /etc/apt/sources.list
+
+# Add the s390x architecture
+RUN dpkg --add-architecture s390x
+
+# Grab the updated list of packages
+RUN apt update
+RUN apt dist-upgrade -yy
+RUN apt-get build-dep -yy -a s390x qemu || apt-get -f install
+RUN apt install -yy gcc-multilib-s390x-linux-gnu binutils-multiarch
+
+# Specify the cross prefix for this image (see tests/docker/common.rc)
+ENV QEMU_CONFIGURE_OPTS --cross-prefix=s390x-linux-gnu-
