* drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const
@ 2020-10-29 14:56 ` kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2020-10-29 14:56 UTC (permalink / raw)
To: Tiwei Bie
Cc: kbuild-all, linux-kernel, Michael S. Tsirkin, Eugenio Pérez,
Jason Wang
[-- Attachment #1: Type: text/plain, Size: 6999 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ed8780e3f2ecc82645342d070c6b4e530532e680
commit: 4c8cf31885f69e86be0b5b9e6677a26797365e1d vhost: introduce vDPA-based backend
date: 7 months ago
:::::: branch date: 17 hours ago
:::::: commit date: 7 months ago
config: sh-randconfig-s031-20201028 (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-56-gc09e8239-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4c8cf31885f69e86be0b5b9e6677a26797365e1d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4c8cf31885f69e86be0b5b9e6677a26797365e1d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)"
drivers/vhost/vdpa.c: note: in included file (through arch/sh/include/asm/unistd.h, include/uapi/linux/unistd.h, include/linux/compat.h, ...):
./arch/sh/include/generated/uapi/asm/unistd_32.h:411:37: sparse: sparse: no newline at end of file
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] <asn:1> * @@
>> drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const *__gu_addr
drivers/vhost/vdpa.c:303:13: sparse: got unsigned int [noderef] [usertype] <asn:1> *
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:1> * @@ got unsigned int const *__gu_addr @@
drivers/vhost/vdpa.c:303:13: sparse: expected void const volatile [noderef] <asn:1> *
>> drivers/vhost/vdpa.c:303:13: sparse: got unsigned int const *__gu_addr
vim +303 drivers/vhost/vdpa.c
4c8cf31885f69e8 Tiwei Bie 2020-03-26 290
4c8cf31885f69e8 Tiwei Bie 2020-03-26 291 static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 292 void __user *argp)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 293 {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 294 struct vdpa_device *vdpa = v->vdpa;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 295 const struct vdpa_config_ops *ops = vdpa->config;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 296 struct vdpa_callback cb;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 297 struct vhost_virtqueue *vq;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 298 struct vhost_vring_state s;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 299 u8 status;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 300 u32 idx;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 301 long r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 302
4c8cf31885f69e8 Tiwei Bie 2020-03-26 @303 r = get_user(idx, (u32 __user *)argp);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 304 if (r < 0)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 305 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 306
4c8cf31885f69e8 Tiwei Bie 2020-03-26 307 if (idx >= v->nvqs)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 308 return -ENOBUFS;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 309
4c8cf31885f69e8 Tiwei Bie 2020-03-26 310 idx = array_index_nospec(idx, v->nvqs);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 311 vq = &v->vqs[idx];
4c8cf31885f69e8 Tiwei Bie 2020-03-26 312
4c8cf31885f69e8 Tiwei Bie 2020-03-26 313 status = ops->get_status(vdpa);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 314
4c8cf31885f69e8 Tiwei Bie 2020-03-26 315 if (cmd == VHOST_VDPA_SET_VRING_ENABLE) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 316 if (copy_from_user(&s, argp, sizeof(s)))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 317 return -EFAULT;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 318 ops->set_vq_ready(vdpa, idx, s.num);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 319 return 0;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 320 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 321
4c8cf31885f69e8 Tiwei Bie 2020-03-26 322 if (cmd == VHOST_GET_VRING_BASE)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 323 vq->last_avail_idx = ops->get_vq_state(v->vdpa, idx);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 324
4c8cf31885f69e8 Tiwei Bie 2020-03-26 325 r = vhost_vring_ioctl(&v->vdev, cmd, argp);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 326 if (r)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 327 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 328
4c8cf31885f69e8 Tiwei Bie 2020-03-26 329 switch (cmd) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 330 case VHOST_SET_VRING_ADDR:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 331 if (ops->set_vq_address(vdpa, idx,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 332 (u64)(uintptr_t)vq->desc,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 333 (u64)(uintptr_t)vq->avail,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 334 (u64)(uintptr_t)vq->used))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 335 r = -EINVAL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 336 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 337
4c8cf31885f69e8 Tiwei Bie 2020-03-26 338 case VHOST_SET_VRING_BASE:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 339 if (ops->set_vq_state(vdpa, idx, vq->last_avail_idx))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 340 r = -EINVAL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 341 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 342
4c8cf31885f69e8 Tiwei Bie 2020-03-26 343 case VHOST_SET_VRING_CALL:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 344 if (vq->call_ctx) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 345 cb.callback = vhost_vdpa_virtqueue_cb;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 346 cb.private = vq;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 347 } else {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 348 cb.callback = NULL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 349 cb.private = NULL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 350 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 351 ops->set_vq_cb(vdpa, idx, &cb);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 352 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 353
4c8cf31885f69e8 Tiwei Bie 2020-03-26 354 case VHOST_SET_VRING_NUM:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 355 ops->set_vq_num(vdpa, idx, vq->num);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 356 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 357 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 358
4c8cf31885f69e8 Tiwei Bie 2020-03-26 359 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 360 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 361
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 23118 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const
@ 2020-10-29 14:56 ` kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2020-10-29 14:56 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 7113 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ed8780e3f2ecc82645342d070c6b4e530532e680
commit: 4c8cf31885f69e86be0b5b9e6677a26797365e1d vhost: introduce vDPA-based backend
date: 7 months ago
:::::: branch date: 17 hours ago
:::::: commit date: 7 months ago
config: sh-randconfig-s031-20201028 (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-56-gc09e8239-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4c8cf31885f69e86be0b5b9e6677a26797365e1d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4c8cf31885f69e86be0b5b9e6677a26797365e1d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)"
drivers/vhost/vdpa.c: note: in included file (through arch/sh/include/asm/unistd.h, include/uapi/linux/unistd.h, include/linux/compat.h, ...):
./arch/sh/include/generated/uapi/asm/unistd_32.h:411:37: sparse: sparse: no newline at end of file
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] <asn:1> * @@
>> drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const *__gu_addr
drivers/vhost/vdpa.c:303:13: sparse: got unsigned int [noderef] [usertype] <asn:1> *
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:1> * @@ got unsigned int const *__gu_addr @@
drivers/vhost/vdpa.c:303:13: sparse: expected void const volatile [noderef] <asn:1> *
>> drivers/vhost/vdpa.c:303:13: sparse: got unsigned int const *__gu_addr
vim +303 drivers/vhost/vdpa.c
4c8cf31885f69e8 Tiwei Bie 2020-03-26 290
4c8cf31885f69e8 Tiwei Bie 2020-03-26 291 static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 292 void __user *argp)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 293 {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 294 struct vdpa_device *vdpa = v->vdpa;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 295 const struct vdpa_config_ops *ops = vdpa->config;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 296 struct vdpa_callback cb;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 297 struct vhost_virtqueue *vq;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 298 struct vhost_vring_state s;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 299 u8 status;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 300 u32 idx;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 301 long r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 302
4c8cf31885f69e8 Tiwei Bie 2020-03-26 @303 r = get_user(idx, (u32 __user *)argp);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 304 if (r < 0)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 305 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 306
4c8cf31885f69e8 Tiwei Bie 2020-03-26 307 if (idx >= v->nvqs)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 308 return -ENOBUFS;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 309
4c8cf31885f69e8 Tiwei Bie 2020-03-26 310 idx = array_index_nospec(idx, v->nvqs);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 311 vq = &v->vqs[idx];
4c8cf31885f69e8 Tiwei Bie 2020-03-26 312
4c8cf31885f69e8 Tiwei Bie 2020-03-26 313 status = ops->get_status(vdpa);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 314
4c8cf31885f69e8 Tiwei Bie 2020-03-26 315 if (cmd == VHOST_VDPA_SET_VRING_ENABLE) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 316 if (copy_from_user(&s, argp, sizeof(s)))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 317 return -EFAULT;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 318 ops->set_vq_ready(vdpa, idx, s.num);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 319 return 0;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 320 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 321
4c8cf31885f69e8 Tiwei Bie 2020-03-26 322 if (cmd == VHOST_GET_VRING_BASE)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 323 vq->last_avail_idx = ops->get_vq_state(v->vdpa, idx);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 324
4c8cf31885f69e8 Tiwei Bie 2020-03-26 325 r = vhost_vring_ioctl(&v->vdev, cmd, argp);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 326 if (r)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 327 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 328
4c8cf31885f69e8 Tiwei Bie 2020-03-26 329 switch (cmd) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 330 case VHOST_SET_VRING_ADDR:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 331 if (ops->set_vq_address(vdpa, idx,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 332 (u64)(uintptr_t)vq->desc,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 333 (u64)(uintptr_t)vq->avail,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 334 (u64)(uintptr_t)vq->used))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 335 r = -EINVAL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 336 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 337
4c8cf31885f69e8 Tiwei Bie 2020-03-26 338 case VHOST_SET_VRING_BASE:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 339 if (ops->set_vq_state(vdpa, idx, vq->last_avail_idx))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 340 r = -EINVAL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 341 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 342
4c8cf31885f69e8 Tiwei Bie 2020-03-26 343 case VHOST_SET_VRING_CALL:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 344 if (vq->call_ctx) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 345 cb.callback = vhost_vdpa_virtqueue_cb;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 346 cb.private = vq;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 347 } else {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 348 cb.callback = NULL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 349 cb.private = NULL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 350 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 351 ops->set_vq_cb(vdpa, idx, &cb);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 352 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 353
4c8cf31885f69e8 Tiwei Bie 2020-03-26 354 case VHOST_SET_VRING_NUM:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 355 ops->set_vq_num(vdpa, idx, vq->num);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 356 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 357 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 358
4c8cf31885f69e8 Tiwei Bie 2020-03-26 359 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 360 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 361
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 23118 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const
@ 2020-10-28 14:44 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2020-10-28 14:44 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 7344 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Tiwei Bie <tiwei.bie@intel.com>
CC: "Michael S. Tsirkin" <mst@redhat.com>
CC: "Eugenio Pérez" <eperezma@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ed8780e3f2ecc82645342d070c6b4e530532e680
commit: 4c8cf31885f69e86be0b5b9e6677a26797365e1d vhost: introduce vDPA-based backend
date: 7 months ago
:::::: branch date: 17 hours ago
:::::: commit date: 7 months ago
config: sh-randconfig-s031-20201028 (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-56-gc09e8239-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4c8cf31885f69e86be0b5b9e6677a26797365e1d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4c8cf31885f69e86be0b5b9e6677a26797365e1d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)"
drivers/vhost/vdpa.c: note: in included file (through arch/sh/include/asm/unistd.h, include/uapi/linux/unistd.h, include/linux/compat.h, ...):
./arch/sh/include/generated/uapi/asm/unistd_32.h:411:37: sparse: sparse: no newline at end of file
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] <asn:1> * @@
>> drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const *__gu_addr
drivers/vhost/vdpa.c:303:13: sparse: got unsigned int [noderef] [usertype] <asn:1> *
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:1> * @@ got unsigned int const *__gu_addr @@
drivers/vhost/vdpa.c:303:13: sparse: expected void const volatile [noderef] <asn:1> *
>> drivers/vhost/vdpa.c:303:13: sparse: got unsigned int const *__gu_addr
vim +303 drivers/vhost/vdpa.c
4c8cf31885f69e8 Tiwei Bie 2020-03-26 290
4c8cf31885f69e8 Tiwei Bie 2020-03-26 291 static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 292 void __user *argp)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 293 {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 294 struct vdpa_device *vdpa = v->vdpa;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 295 const struct vdpa_config_ops *ops = vdpa->config;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 296 struct vdpa_callback cb;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 297 struct vhost_virtqueue *vq;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 298 struct vhost_vring_state s;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 299 u8 status;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 300 u32 idx;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 301 long r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 302
4c8cf31885f69e8 Tiwei Bie 2020-03-26 @303 r = get_user(idx, (u32 __user *)argp);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 304 if (r < 0)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 305 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 306
4c8cf31885f69e8 Tiwei Bie 2020-03-26 307 if (idx >= v->nvqs)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 308 return -ENOBUFS;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 309
4c8cf31885f69e8 Tiwei Bie 2020-03-26 310 idx = array_index_nospec(idx, v->nvqs);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 311 vq = &v->vqs[idx];
4c8cf31885f69e8 Tiwei Bie 2020-03-26 312
4c8cf31885f69e8 Tiwei Bie 2020-03-26 313 status = ops->get_status(vdpa);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 314
4c8cf31885f69e8 Tiwei Bie 2020-03-26 315 if (cmd == VHOST_VDPA_SET_VRING_ENABLE) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 316 if (copy_from_user(&s, argp, sizeof(s)))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 317 return -EFAULT;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 318 ops->set_vq_ready(vdpa, idx, s.num);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 319 return 0;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 320 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 321
4c8cf31885f69e8 Tiwei Bie 2020-03-26 322 if (cmd == VHOST_GET_VRING_BASE)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 323 vq->last_avail_idx = ops->get_vq_state(v->vdpa, idx);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 324
4c8cf31885f69e8 Tiwei Bie 2020-03-26 325 r = vhost_vring_ioctl(&v->vdev, cmd, argp);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 326 if (r)
4c8cf31885f69e8 Tiwei Bie 2020-03-26 327 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 328
4c8cf31885f69e8 Tiwei Bie 2020-03-26 329 switch (cmd) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 330 case VHOST_SET_VRING_ADDR:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 331 if (ops->set_vq_address(vdpa, idx,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 332 (u64)(uintptr_t)vq->desc,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 333 (u64)(uintptr_t)vq->avail,
4c8cf31885f69e8 Tiwei Bie 2020-03-26 334 (u64)(uintptr_t)vq->used))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 335 r = -EINVAL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 336 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 337
4c8cf31885f69e8 Tiwei Bie 2020-03-26 338 case VHOST_SET_VRING_BASE:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 339 if (ops->set_vq_state(vdpa, idx, vq->last_avail_idx))
4c8cf31885f69e8 Tiwei Bie 2020-03-26 340 r = -EINVAL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 341 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 342
4c8cf31885f69e8 Tiwei Bie 2020-03-26 343 case VHOST_SET_VRING_CALL:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 344 if (vq->call_ctx) {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 345 cb.callback = vhost_vdpa_virtqueue_cb;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 346 cb.private = vq;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 347 } else {
4c8cf31885f69e8 Tiwei Bie 2020-03-26 348 cb.callback = NULL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 349 cb.private = NULL;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 350 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 351 ops->set_vq_cb(vdpa, idx, &cb);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 352 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 353
4c8cf31885f69e8 Tiwei Bie 2020-03-26 354 case VHOST_SET_VRING_NUM:
4c8cf31885f69e8 Tiwei Bie 2020-03-26 355 ops->set_vq_num(vdpa, idx, vq->num);
4c8cf31885f69e8 Tiwei Bie 2020-03-26 356 break;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 357 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 358
4c8cf31885f69e8 Tiwei Bie 2020-03-26 359 return r;
4c8cf31885f69e8 Tiwei Bie 2020-03-26 360 }
4c8cf31885f69e8 Tiwei Bie 2020-03-26 361
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 23118 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const
@ 2020-09-29 17:48 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2020-09-29 17:48 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 19561 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Tiwei Bie <tiwei.bie@intel.com>
CC: "Michael S. Tsirkin" <mst@redhat.com>
CC: "Eugenio Pérez" <eperezma@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: fb0155a09b0224a7147cb07a4ce6034c8d29667f
commit: 4c8cf31885f69e86be0b5b9e6677a26797365e1d vhost: introduce vDPA-based backend
date: 6 months ago
:::::: branch date: 24 hours ago
:::::: commit date: 6 months ago
config: sh-randconfig-s031-20200929 (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-201-g24bdaac6-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4c8cf31885f69e86be0b5b9e6677a26797365e1d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4c8cf31885f69e86be0b5b9e6677a26797365e1d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
echo
echo "sparse warnings: (new ones prefixed by >>)"
echo
drivers/vhost/vhost.c:1530:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] <asn:1> *idxp @@
drivers/vhost/vhost.c:1530:13: sparse: expected unsigned int const *__gu_addr
drivers/vhost/vhost.c:1530:13: sparse: got unsigned int [noderef] [usertype] <asn:1> *idxp
drivers/vhost/vhost.c:1530:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:1> * @@ got unsigned int const *__gu_addr @@
drivers/vhost/vhost.c:1530:13: sparse: expected void const volatile [noderef] <asn:1> *
>> drivers/vhost/vhost.c:1530:13: sparse: got unsigned int const *__gu_addr
drivers/vhost/vhost.c:1727:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] <asn:1> * @@
drivers/vhost/vhost.c:1727:21: sparse: expected int const *__gu_addr
drivers/vhost/vhost.c:1727:21: sparse: got int [noderef] <asn:1> *
drivers/vhost/vhost.c:1727:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:1> * @@ got int const *__gu_addr @@
drivers/vhost/vhost.c:1727:21: sparse: expected void const volatile [noderef] <asn:1> *
>> drivers/vhost/vhost.c:1727:21: sparse: got int const *__gu_addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:917:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:917:16: sparse: expected void *addr
drivers/vhost/vhost.c:917:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:902:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] [usertype] <asn:1> * @@
drivers/vhost/vhost.c:902:16: sparse: expected void *addr
drivers/vhost/vhost.c:902:16: sparse: got restricted __virtio16 [noderef] [usertype] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:994:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:994:16: sparse: expected void *addr
drivers/vhost/vhost.c:994:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:969:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:969:16: sparse: expected void *addr
drivers/vhost/vhost.c:969:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:975:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:975:16: sparse: expected void *addr
drivers/vhost/vhost.c:975:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:924:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:924:16: sparse: expected void *addr
drivers/vhost/vhost.c:924:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:982:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:982:16: sparse: expected void *addr
drivers/vhost/vhost.c:982:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:988:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] [usertype] <asn:1> * @@
drivers/vhost/vhost.c:988:16: sparse: expected void *addr
drivers/vhost/vhost.c:988:16: sparse: got restricted __virtio16 [noderef] [usertype] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:969:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:969:16: sparse: expected void *addr
drivers/vhost/vhost.c:969:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
drivers/vhost/vhost.c:969:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got restricted __virtio16 [noderef] <asn:1> * @@
drivers/vhost/vhost.c:969:16: sparse: expected void *addr
drivers/vhost/vhost.c:969:16: sparse: got restricted __virtio16 [noderef] <asn:1> *
drivers/vhost/vhost.c:880:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:1> *addr @@ got void *addr @@
drivers/vhost/vhost.c:880:42: sparse: expected void [noderef] <asn:1> *addr
drivers/vhost/vhost.c:880:42: sparse: got void *addr
drivers/vhost/vhost.c:733:17: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] <asn:1> * @@ got void * @@
drivers/vhost/vhost.c:733:17: sparse: expected void [noderef] <asn:1> *
drivers/vhost/vhost.c:733:17: sparse: got void *
--
drivers/vhost/vdpa.c: note: in included file (through arch/sh/include/asm/unistd.h, include/uapi/linux/unistd.h, include/linux/compat.h, ...):
./arch/sh/include/generated/uapi/asm/unistd_32.h:411:37: sparse: sparse: no newline at end of file
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] <asn:1> * @@
>> drivers/vhost/vdpa.c:303:13: sparse: expected unsigned int const *__gu_addr
drivers/vhost/vdpa.c:303:13: sparse: got unsigned int [noderef] [usertype] <asn:1> *
drivers/vhost/vdpa.c:303:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:1> * @@ got unsigned int const *__gu_addr @@
drivers/vhost/vdpa.c:303:13: sparse: expected void const volatile [noderef] <asn:1> *
>> drivers/vhost/vdpa.c:303:13: sparse: got unsigned int const *__gu_addr
vim +303 drivers/vhost/vdpa.c
4c8cf31885f69e Tiwei Bie 2020-03-26 290
4c8cf31885f69e Tiwei Bie 2020-03-26 291 static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
4c8cf31885f69e Tiwei Bie 2020-03-26 292 void __user *argp)
4c8cf31885f69e Tiwei Bie 2020-03-26 293 {
4c8cf31885f69e Tiwei Bie 2020-03-26 294 struct vdpa_device *vdpa = v->vdpa;
4c8cf31885f69e Tiwei Bie 2020-03-26 295 const struct vdpa_config_ops *ops = vdpa->config;
4c8cf31885f69e Tiwei Bie 2020-03-26 296 struct vdpa_callback cb;
4c8cf31885f69e Tiwei Bie 2020-03-26 297 struct vhost_virtqueue *vq;
4c8cf31885f69e Tiwei Bie 2020-03-26 298 struct vhost_vring_state s;
4c8cf31885f69e Tiwei Bie 2020-03-26 299 u8 status;
4c8cf31885f69e Tiwei Bie 2020-03-26 300 u32 idx;
4c8cf31885f69e Tiwei Bie 2020-03-26 301 long r;
4c8cf31885f69e Tiwei Bie 2020-03-26 302
4c8cf31885f69e Tiwei Bie 2020-03-26 @303 r = get_user(idx, (u32 __user *)argp);
4c8cf31885f69e Tiwei Bie 2020-03-26 304 if (r < 0)
4c8cf31885f69e Tiwei Bie 2020-03-26 305 return r;
4c8cf31885f69e Tiwei Bie 2020-03-26 306
4c8cf31885f69e Tiwei Bie 2020-03-26 307 if (idx >= v->nvqs)
4c8cf31885f69e Tiwei Bie 2020-03-26 308 return -ENOBUFS;
4c8cf31885f69e Tiwei Bie 2020-03-26 309
4c8cf31885f69e Tiwei Bie 2020-03-26 310 idx = array_index_nospec(idx, v->nvqs);
4c8cf31885f69e Tiwei Bie 2020-03-26 311 vq = &v->vqs[idx];
4c8cf31885f69e Tiwei Bie 2020-03-26 312
4c8cf31885f69e Tiwei Bie 2020-03-26 313 status = ops->get_status(vdpa);
4c8cf31885f69e Tiwei Bie 2020-03-26 314
4c8cf31885f69e Tiwei Bie 2020-03-26 315 if (cmd == VHOST_VDPA_SET_VRING_ENABLE) {
4c8cf31885f69e Tiwei Bie 2020-03-26 316 if (copy_from_user(&s, argp, sizeof(s)))
4c8cf31885f69e Tiwei Bie 2020-03-26 317 return -EFAULT;
4c8cf31885f69e Tiwei Bie 2020-03-26 318 ops->set_vq_ready(vdpa, idx, s.num);
4c8cf31885f69e Tiwei Bie 2020-03-26 319 return 0;
4c8cf31885f69e Tiwei Bie 2020-03-26 320 }
4c8cf31885f69e Tiwei Bie 2020-03-26 321
4c8cf31885f69e Tiwei Bie 2020-03-26 322 if (cmd == VHOST_GET_VRING_BASE)
4c8cf31885f69e Tiwei Bie 2020-03-26 323 vq->last_avail_idx = ops->get_vq_state(v->vdpa, idx);
4c8cf31885f69e Tiwei Bie 2020-03-26 324
4c8cf31885f69e Tiwei Bie 2020-03-26 325 r = vhost_vring_ioctl(&v->vdev, cmd, argp);
4c8cf31885f69e Tiwei Bie 2020-03-26 326 if (r)
4c8cf31885f69e Tiwei Bie 2020-03-26 327 return r;
4c8cf31885f69e Tiwei Bie 2020-03-26 328
4c8cf31885f69e Tiwei Bie 2020-03-26 329 switch (cmd) {
4c8cf31885f69e Tiwei Bie 2020-03-26 330 case VHOST_SET_VRING_ADDR:
4c8cf31885f69e Tiwei Bie 2020-03-26 331 if (ops->set_vq_address(vdpa, idx,
4c8cf31885f69e Tiwei Bie 2020-03-26 332 (u64)(uintptr_t)vq->desc,
4c8cf31885f69e Tiwei Bie 2020-03-26 333 (u64)(uintptr_t)vq->avail,
4c8cf31885f69e Tiwei Bie 2020-03-26 334 (u64)(uintptr_t)vq->used))
4c8cf31885f69e Tiwei Bie 2020-03-26 335 r = -EINVAL;
4c8cf31885f69e Tiwei Bie 2020-03-26 336 break;
4c8cf31885f69e Tiwei Bie 2020-03-26 337
4c8cf31885f69e Tiwei Bie 2020-03-26 338 case VHOST_SET_VRING_BASE:
4c8cf31885f69e Tiwei Bie 2020-03-26 339 if (ops->set_vq_state(vdpa, idx, vq->last_avail_idx))
4c8cf31885f69e Tiwei Bie 2020-03-26 340 r = -EINVAL;
4c8cf31885f69e Tiwei Bie 2020-03-26 341 break;
4c8cf31885f69e Tiwei Bie 2020-03-26 342
4c8cf31885f69e Tiwei Bie 2020-03-26 343 case VHOST_SET_VRING_CALL:
4c8cf31885f69e Tiwei Bie 2020-03-26 344 if (vq->call_ctx) {
4c8cf31885f69e Tiwei Bie 2020-03-26 345 cb.callback = vhost_vdpa_virtqueue_cb;
4c8cf31885f69e Tiwei Bie 2020-03-26 346 cb.private = vq;
4c8cf31885f69e Tiwei Bie 2020-03-26 347 } else {
4c8cf31885f69e Tiwei Bie 2020-03-26 348 cb.callback = NULL;
4c8cf31885f69e Tiwei Bie 2020-03-26 349 cb.private = NULL;
4c8cf31885f69e Tiwei Bie 2020-03-26 350 }
4c8cf31885f69e Tiwei Bie 2020-03-26 351 ops->set_vq_cb(vdpa, idx, &cb);
4c8cf31885f69e Tiwei Bie 2020-03-26 352 break;
4c8cf31885f69e Tiwei Bie 2020-03-26 353
4c8cf31885f69e Tiwei Bie 2020-03-26 354 case VHOST_SET_VRING_NUM:
4c8cf31885f69e Tiwei Bie 2020-03-26 355 ops->set_vq_num(vdpa, idx, vq->num);
4c8cf31885f69e Tiwei Bie 2020-03-26 356 break;
4c8cf31885f69e Tiwei Bie 2020-03-26 357 }
4c8cf31885f69e Tiwei Bie 2020-03-26 358
4c8cf31885f69e Tiwei Bie 2020-03-26 359 return r;
4c8cf31885f69e Tiwei Bie 2020-03-26 360 }
4c8cf31885f69e Tiwei Bie 2020-03-26 361
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
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