Revision 5d639b60971f003d3a9b2b31f8ec73b0718b5d57 authored by Stefan Binding on 15 November 2023, 16:21:16 UTC, committed by Takashi Iwai on 15 November 2023, 19:00:44 UTC
These HP laptops use Realtek HDA codec combined with 2 or 4 CS35L41 Amplifiers using SPI with Internal Boost. Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20231115162116.494968-3-sbinding@opensource.cirrus.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 parent 61cbc08
ioctl.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/ceph/ceph_debug.h>
#include <linux/in.h>
#include "super.h"
#include "mds_client.h"
#include "ioctl.h"
#include <linux/ceph/striper.h>
#include <linux/fscrypt.h>
/*
* ioctls
*/
/*
* get and set the file layout
*/
static long ceph_ioctl_get_layout(struct file *file, void __user *arg)
{
struct ceph_inode_info *ci = ceph_inode(file_inode(file));
struct ceph_ioctl_layout l;
int err;
err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false);
if (!err) {
l.stripe_unit = ci->i_layout.stripe_unit;
l.stripe_count = ci->i_layout.stripe_count;
l.object_size = ci->i_layout.object_size;
l.data_pool = ci->i_layout.pool_id;
l.preferred_osd = -1;
if (copy_to_user(arg, &l, sizeof(l)))
return -EFAULT;
}
return err;
}
static long __validate_layout(struct ceph_mds_client *mdsc,
struct ceph_ioctl_layout *l)
{
int i, err;
/* validate striping parameters */
if ((l->object_size & ~PAGE_MASK) ||
(l->stripe_unit & ~PAGE_MASK) ||
((unsigned)l->stripe_unit != 0 &&
((unsigned)l->object_size % (unsigned)l->stripe_unit)))
return -EINVAL;
/* make sure it's a valid data pool */
mutex_lock(&mdsc->mutex);
err = -EINVAL;
for (i = 0; i < mdsc->mdsmap->m_num_data_pg_pools; i++)
if (mdsc->mdsmap->m_data_pg_pools[i] == l->data_pool) {
err = 0;
break;
}
mutex_unlock(&mdsc->mutex);
if (err)
return err;
return 0;
}
static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
{
struct inode *inode = file_inode(file);
struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
struct ceph_mds_request *req;
struct ceph_ioctl_layout l;
struct ceph_inode_info *ci = ceph_inode(file_inode(file));
struct ceph_ioctl_layout nl;
int err;
if (copy_from_user(&l, arg, sizeof(l)))
return -EFAULT;
/* validate changed params against current layout */
err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false);
if (err)
return err;
memset(&nl, 0, sizeof(nl));
if (l.stripe_count)
nl.stripe_count = l.stripe_count;
else
nl.stripe_count = ci->i_layout.stripe_count;
if (l.stripe_unit)
nl.stripe_unit = l.stripe_unit;
else
nl.stripe_unit = ci->i_layout.stripe_unit;
if (l.object_size)
nl.object_size = l.object_size;
else
nl.object_size = ci->i_layout.object_size;
if (l.data_pool)
nl.data_pool = l.data_pool;
else
nl.data_pool = ci->i_layout.pool_id;
/* this is obsolete, and always -1 */
nl.preferred_osd = -1;
err = __validate_layout(mdsc, &nl);
if (err)
return err;
req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_SETLAYOUT,
USE_AUTH_MDS);
if (IS_ERR(req))
return PTR_ERR(req);
req->r_inode = inode;
ihold(inode);
req->r_num_caps = 1;
req->r_inode_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_EXCL;
req->r_args.setlayout.layout.fl_stripe_unit =
cpu_to_le32(l.stripe_unit);
req->r_args.setlayout.layout.fl_stripe_count =
cpu_to_le32(l.stripe_count);
req->r_args.setlayout.layout.fl_object_size =
cpu_to_le32(l.object_size);
req->r_args.setlayout.layout.fl_pg_pool = cpu_to_le32(l.data_pool);
err = ceph_mdsc_do_request(mdsc, NULL, req);
ceph_mdsc_put_request(req);
return err;
}
/*
* Set a layout policy on a directory inode. All items in the tree
* rooted at this inode will inherit this layout on creation,
* (It doesn't apply retroactively )
* unless a subdirectory has its own layout policy.
*/
static long ceph_ioctl_set_layout_policy (struct file *file, void __user *arg)
{
struct inode *inode = file_inode(file);
struct ceph_mds_request *req;
struct ceph_ioctl_layout l;
int err;
struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
/* copy and validate */
if (copy_from_user(&l, arg, sizeof(l)))
return -EFAULT;
err = __validate_layout(mdsc, &l);
if (err)
return err;
req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_SETDIRLAYOUT,
USE_AUTH_MDS);
if (IS_ERR(req))
return PTR_ERR(req);
req->r_inode = inode;
ihold(inode);
req->r_num_caps = 1;
req->r_args.setlayout.layout.fl_stripe_unit =
cpu_to_le32(l.stripe_unit);
req->r_args.setlayout.layout.fl_stripe_count =
cpu_to_le32(l.stripe_count);
req->r_args.setlayout.layout.fl_object_size =
cpu_to_le32(l.object_size);
req->r_args.setlayout.layout.fl_pg_pool =
cpu_to_le32(l.data_pool);
err = ceph_mdsc_do_request(mdsc, inode, req);
ceph_mdsc_put_request(req);
return err;
}
/*
* Return object name, size/offset information, and location (OSD
* number, network address) for a given file offset.
*/
static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
{
struct ceph_ioctl_dataloc dl;
struct inode *inode = file_inode(file);
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_osd_client *osdc =
&ceph_sb_to_client(inode->i_sb)->client->osdc;
struct ceph_object_locator oloc;
CEPH_DEFINE_OID_ONSTACK(oid);
u32 xlen;
u64 tmp;
struct ceph_pg pgid;
int r;
/* copy and validate */
if (copy_from_user(&dl, arg, sizeof(dl)))
return -EFAULT;
down_read(&osdc->lock);
ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, 1,
&dl.object_no, &dl.object_offset, &xlen);
dl.file_offset -= dl.object_offset;
dl.object_size = ci->i_layout.object_size;
dl.block_size = ci->i_layout.stripe_unit;
/* block_offset = object_offset % block_size */
tmp = dl.object_offset;
dl.block_offset = do_div(tmp, dl.block_size);
snprintf(dl.object_name, sizeof(dl.object_name), "%llx.%08llx",
ceph_ino(inode), dl.object_no);
oloc.pool = ci->i_layout.pool_id;
oloc.pool_ns = ceph_try_get_string(ci->i_layout.pool_ns);
ceph_oid_printf(&oid, "%s", dl.object_name);
r = ceph_object_locator_to_pg(osdc->osdmap, &oid, &oloc, &pgid);
ceph_oloc_destroy(&oloc);
if (r < 0) {
up_read(&osdc->lock);
return r;
}
dl.osd = ceph_pg_to_acting_primary(osdc->osdmap, &pgid);
if (dl.osd >= 0) {
struct ceph_entity_addr *a =
ceph_osd_addr(osdc->osdmap, dl.osd);
if (a)
memcpy(&dl.osd_addr, &a->in_addr, sizeof(dl.osd_addr));
} else {
memset(&dl.osd_addr, 0, sizeof(dl.osd_addr));
}
up_read(&osdc->lock);
/* send result back to user */
if (copy_to_user(arg, &dl, sizeof(dl)))
return -EFAULT;
return 0;
}
static long ceph_ioctl_lazyio(struct file *file)
{
struct ceph_file_info *fi = file->private_data;
struct inode *inode = file_inode(file);
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
if ((fi->fmode & CEPH_FILE_MODE_LAZY) == 0) {
spin_lock(&ci->i_ceph_lock);
fi->fmode |= CEPH_FILE_MODE_LAZY;
ci->i_nr_by_mode[ffs(CEPH_FILE_MODE_LAZY)]++;
__ceph_touch_fmode(ci, mdsc, fi->fmode);
spin_unlock(&ci->i_ceph_lock);
dout("ioctl_layzio: file %p marked lazy\n", file);
ceph_check_caps(ci, 0);
} else {
dout("ioctl_layzio: file %p already lazy\n", file);
}
return 0;
}
static long ceph_ioctl_syncio(struct file *file)
{
struct ceph_file_info *fi = file->private_data;
fi->flags |= CEPH_F_SYNC;
return 0;
}
static int vet_mds_for_fscrypt(struct file *file)
{
int i, ret = -EOPNOTSUPP;
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(file_inode(file)->i_sb);
mutex_lock(&mdsc->mutex);
for (i = 0; i < mdsc->max_sessions; i++) {
struct ceph_mds_session *s = mdsc->sessions[i];
if (!s)
continue;
if (test_bit(CEPHFS_FEATURE_ALTERNATE_NAME, &s->s_features))
ret = 0;
break;
}
mutex_unlock(&mdsc->mutex);
return ret;
}
static long ceph_set_encryption_policy(struct file *file, unsigned long arg)
{
int ret, got = 0;
struct inode *inode = file_inode(file);
struct ceph_inode_info *ci = ceph_inode(inode);
/* encrypted directories can't have striped layout */
if (ci->i_layout.stripe_count > 1)
return -EINVAL;
ret = vet_mds_for_fscrypt(file);
if (ret)
return ret;
/*
* Ensure we hold these caps so that we _know_ that the rstats check
* in the empty_dir check is reliable.
*/
ret = ceph_get_caps(file, CEPH_CAP_FILE_SHARED, 0, -1, &got);
if (ret)
return ret;
ret = fscrypt_ioctl_set_policy(file, (const void __user *)arg);
if (got)
ceph_put_cap_refs(ci, got);
return ret;
}
static const char *ceph_ioctl_cmd_name(const unsigned int cmd)
{
switch (cmd) {
case CEPH_IOC_GET_LAYOUT:
return "get_layout";
case CEPH_IOC_SET_LAYOUT:
return "set_layout";
case CEPH_IOC_SET_LAYOUT_POLICY:
return "set_layout_policy";
case CEPH_IOC_GET_DATALOC:
return "get_dataloc";
case CEPH_IOC_LAZYIO:
return "lazyio";
case CEPH_IOC_SYNCIO:
return "syncio";
case FS_IOC_SET_ENCRYPTION_POLICY:
return "set_encryption_policy";
case FS_IOC_GET_ENCRYPTION_POLICY:
return "get_encryption_policy";
case FS_IOC_GET_ENCRYPTION_POLICY_EX:
return "get_encryption_policy_ex";
case FS_IOC_ADD_ENCRYPTION_KEY:
return "add_encryption_key";
case FS_IOC_REMOVE_ENCRYPTION_KEY:
return "remove_encryption_key";
case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS:
return "remove_encryption_key_all_users";
case FS_IOC_GET_ENCRYPTION_KEY_STATUS:
return "get_encryption_key_status";
case FS_IOC_GET_ENCRYPTION_NONCE:
return "get_encryption_nonce";
default:
return "unknown";
}
}
long ceph_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret;
dout("ioctl file %p cmd %s arg %lu\n", file,
ceph_ioctl_cmd_name(cmd), arg);
switch (cmd) {
case CEPH_IOC_GET_LAYOUT:
return ceph_ioctl_get_layout(file, (void __user *)arg);
case CEPH_IOC_SET_LAYOUT:
return ceph_ioctl_set_layout(file, (void __user *)arg);
case CEPH_IOC_SET_LAYOUT_POLICY:
return ceph_ioctl_set_layout_policy(file, (void __user *)arg);
case CEPH_IOC_GET_DATALOC:
return ceph_ioctl_get_dataloc(file, (void __user *)arg);
case CEPH_IOC_LAZYIO:
return ceph_ioctl_lazyio(file);
case CEPH_IOC_SYNCIO:
return ceph_ioctl_syncio(file);
case FS_IOC_SET_ENCRYPTION_POLICY:
return ceph_set_encryption_policy(file, arg);
case FS_IOC_GET_ENCRYPTION_POLICY:
ret = vet_mds_for_fscrypt(file);
if (ret)
return ret;
return fscrypt_ioctl_get_policy(file, (void __user *)arg);
case FS_IOC_GET_ENCRYPTION_POLICY_EX:
ret = vet_mds_for_fscrypt(file);
if (ret)
return ret;
return fscrypt_ioctl_get_policy_ex(file, (void __user *)arg);
case FS_IOC_ADD_ENCRYPTION_KEY:
ret = vet_mds_for_fscrypt(file);
if (ret)
return ret;
return fscrypt_ioctl_add_key(file, (void __user *)arg);
case FS_IOC_REMOVE_ENCRYPTION_KEY:
return fscrypt_ioctl_remove_key(file, (void __user *)arg);
case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS:
return fscrypt_ioctl_remove_key_all_users(file,
(void __user *)arg);
case FS_IOC_GET_ENCRYPTION_KEY_STATUS:
return fscrypt_ioctl_get_key_status(file, (void __user *)arg);
case FS_IOC_GET_ENCRYPTION_NONCE:
ret = vet_mds_for_fscrypt(file);
if (ret)
return ret;
return fscrypt_ioctl_get_nonce(file, (void __user *)arg);
}
return -ENOTTY;
}
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