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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH] sparse: use static inline for __chk_{user, io}_ptr()
Date: Wed, 02 Sep 2020 09:12:38 +0800	[thread overview]
Message-ID: <202009020955.cun2o9FJ%lkp@intel.com> (raw)
In-Reply-To: <20200828085301.78423-1-luc.vanoostenryck@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 31581 bytes --]

Hi Luc,

I love your patch! Perhaps something to improve:

[auto build test WARNING on 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5]

url:    https://github.com/0day-ci/linux/commits/Luc-Van-Oostenryck/sparse-use-static-inline-for-__chk_-user-io-_ptr/20200828-165431
base:    9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
config: sparc-randconfig-s032-20200901 (attached as .config)
compiler: sparc64-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: v0.6.2-191-g10164920-dirty
        # 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=sparc 

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/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:138:17: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __poll_t ( *poll )( ... ) @@     got unsigned int ( * )( ... ) @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:138:17: sparse:     expected restricted __poll_t ( *poll )( ... )
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:138:17: sparse:     got unsigned int ( * )( ... )
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:747:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: cast removes address space '__user' of expression
>> drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got signed int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse:     got signed int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:825:29: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:911:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1004:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1054:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1054:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1054:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1054:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1054:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1054:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1054:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse:     got unsigned int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1108:21: sparse: sparse: cast removes address space '__user' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1357:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1357:25: sparse:    struct dma_fence [noderef] __rcu *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1357:25: sparse:    struct dma_fence *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1358:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1358:17: sparse:    struct dma_fence [noderef] __rcu *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1358:17: sparse:    struct dma_fence *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1409:23: sparse: sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1409:23: sparse: sparse: too many warnings
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1417:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1417:17: sparse:    struct dma_fence [noderef] __rcu *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1417:17: sparse:    struct dma_fence *

# https://github.com/0day-ci/linux/commit/7d01c91ac34a64f0177bc6d058cc50e805f59102
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Luc-Van-Oostenryck/sparse-use-static-inline-for-__chk_-user-io-_ptr/20200828-165431
git checkout 7d01c91ac34a64f0177bc6d058cc50e805f59102
vim +825 drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

75758255dc0fae Alex Deucher 2017-12-14  672  
7e4237dbe494f9 Tom St Denis 2018-05-02  673  /**
7e4237dbe494f9 Tom St Denis 2018-05-02  674   * amdgpu_debugfs_gca_config_read - Read from gfx config data
7e4237dbe494f9 Tom St Denis 2018-05-02  675   *
7e4237dbe494f9 Tom St Denis 2018-05-02  676   * @f: open file handle
7e4237dbe494f9 Tom St Denis 2018-05-02  677   * @buf: User buffer to store read data in
7e4237dbe494f9 Tom St Denis 2018-05-02  678   * @size: Number of bytes to read
7e4237dbe494f9 Tom St Denis 2018-05-02  679   * @pos:  Offset to seek to
7e4237dbe494f9 Tom St Denis 2018-05-02  680   *
7e4237dbe494f9 Tom St Denis 2018-05-02  681   * This file is used to access configuration data in a somewhat
7e4237dbe494f9 Tom St Denis 2018-05-02  682   * stable fashion.  The format is a series of DWORDs with the first
7e4237dbe494f9 Tom St Denis 2018-05-02  683   * indicating which revision it is.  New content is appended to the
7e4237dbe494f9 Tom St Denis 2018-05-02  684   * end so that older software can still read the data.
7e4237dbe494f9 Tom St Denis 2018-05-02  685   */
7e4237dbe494f9 Tom St Denis 2018-05-02  686  
75758255dc0fae Alex Deucher 2017-12-14  687  static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
75758255dc0fae Alex Deucher 2017-12-14  688  					size_t size, loff_t *pos)
75758255dc0fae Alex Deucher 2017-12-14  689  {
75758255dc0fae Alex Deucher 2017-12-14  690  	struct amdgpu_device *adev = file_inode(f)->i_private;
75758255dc0fae Alex Deucher 2017-12-14  691  	ssize_t result = 0;
75758255dc0fae Alex Deucher 2017-12-14  692  	int r;
75758255dc0fae Alex Deucher 2017-12-14  693  	uint32_t *config, no_regs = 0;
75758255dc0fae Alex Deucher 2017-12-14  694  
75758255dc0fae Alex Deucher 2017-12-14  695  	if (size & 0x3 || *pos & 0x3)
75758255dc0fae Alex Deucher 2017-12-14  696  		return -EINVAL;
75758255dc0fae Alex Deucher 2017-12-14  697  
75758255dc0fae Alex Deucher 2017-12-14  698  	config = kmalloc_array(256, sizeof(*config), GFP_KERNEL);
75758255dc0fae Alex Deucher 2017-12-14  699  	if (!config)
75758255dc0fae Alex Deucher 2017-12-14  700  		return -ENOMEM;
75758255dc0fae Alex Deucher 2017-12-14  701  
75758255dc0fae Alex Deucher 2017-12-14  702  	/* version, increment each time something is added */
75758255dc0fae Alex Deucher 2017-12-14  703  	config[no_regs++] = 3;
75758255dc0fae Alex Deucher 2017-12-14  704  	config[no_regs++] = adev->gfx.config.max_shader_engines;
75758255dc0fae Alex Deucher 2017-12-14  705  	config[no_regs++] = adev->gfx.config.max_tile_pipes;
75758255dc0fae Alex Deucher 2017-12-14  706  	config[no_regs++] = adev->gfx.config.max_cu_per_sh;
75758255dc0fae Alex Deucher 2017-12-14  707  	config[no_regs++] = adev->gfx.config.max_sh_per_se;
75758255dc0fae Alex Deucher 2017-12-14  708  	config[no_regs++] = adev->gfx.config.max_backends_per_se;
75758255dc0fae Alex Deucher 2017-12-14  709  	config[no_regs++] = adev->gfx.config.max_texture_channel_caches;
75758255dc0fae Alex Deucher 2017-12-14  710  	config[no_regs++] = adev->gfx.config.max_gprs;
75758255dc0fae Alex Deucher 2017-12-14  711  	config[no_regs++] = adev->gfx.config.max_gs_threads;
75758255dc0fae Alex Deucher 2017-12-14  712  	config[no_regs++] = adev->gfx.config.max_hw_contexts;
75758255dc0fae Alex Deucher 2017-12-14  713  	config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend;
75758255dc0fae Alex Deucher 2017-12-14  714  	config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend;
75758255dc0fae Alex Deucher 2017-12-14  715  	config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size;
75758255dc0fae Alex Deucher 2017-12-14  716  	config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size;
75758255dc0fae Alex Deucher 2017-12-14  717  	config[no_regs++] = adev->gfx.config.num_tile_pipes;
75758255dc0fae Alex Deucher 2017-12-14  718  	config[no_regs++] = adev->gfx.config.backend_enable_mask;
75758255dc0fae Alex Deucher 2017-12-14  719  	config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes;
75758255dc0fae Alex Deucher 2017-12-14  720  	config[no_regs++] = adev->gfx.config.mem_row_size_in_kb;
75758255dc0fae Alex Deucher 2017-12-14  721  	config[no_regs++] = adev->gfx.config.shader_engine_tile_size;
75758255dc0fae Alex Deucher 2017-12-14  722  	config[no_regs++] = adev->gfx.config.num_gpus;
75758255dc0fae Alex Deucher 2017-12-14  723  	config[no_regs++] = adev->gfx.config.multi_gpu_tile_size;
75758255dc0fae Alex Deucher 2017-12-14  724  	config[no_regs++] = adev->gfx.config.mc_arb_ramcfg;
75758255dc0fae Alex Deucher 2017-12-14  725  	config[no_regs++] = adev->gfx.config.gb_addr_config;
75758255dc0fae Alex Deucher 2017-12-14  726  	config[no_regs++] = adev->gfx.config.num_rbs;
75758255dc0fae Alex Deucher 2017-12-14  727  
75758255dc0fae Alex Deucher 2017-12-14  728  	/* rev==1 */
75758255dc0fae Alex Deucher 2017-12-14  729  	config[no_regs++] = adev->rev_id;
75758255dc0fae Alex Deucher 2017-12-14  730  	config[no_regs++] = adev->pg_flags;
75758255dc0fae Alex Deucher 2017-12-14  731  	config[no_regs++] = adev->cg_flags;
75758255dc0fae Alex Deucher 2017-12-14  732  
75758255dc0fae Alex Deucher 2017-12-14  733  	/* rev==2 */
75758255dc0fae Alex Deucher 2017-12-14  734  	config[no_regs++] = adev->family;
75758255dc0fae Alex Deucher 2017-12-14  735  	config[no_regs++] = adev->external_rev_id;
75758255dc0fae Alex Deucher 2017-12-14  736  
75758255dc0fae Alex Deucher 2017-12-14  737  	/* rev==3 */
75758255dc0fae Alex Deucher 2017-12-14  738  	config[no_regs++] = adev->pdev->device;
75758255dc0fae Alex Deucher 2017-12-14  739  	config[no_regs++] = adev->pdev->revision;
75758255dc0fae Alex Deucher 2017-12-14  740  	config[no_regs++] = adev->pdev->subsystem_device;
75758255dc0fae Alex Deucher 2017-12-14  741  	config[no_regs++] = adev->pdev->subsystem_vendor;
75758255dc0fae Alex Deucher 2017-12-14  742  
75758255dc0fae Alex Deucher 2017-12-14  743  	while (size && (*pos < no_regs * 4)) {
75758255dc0fae Alex Deucher 2017-12-14  744  		uint32_t value;
75758255dc0fae Alex Deucher 2017-12-14  745  
75758255dc0fae Alex Deucher 2017-12-14  746  		value = config[*pos >> 2];
75758255dc0fae Alex Deucher 2017-12-14 @747  		r = put_user(value, (uint32_t *)buf);
75758255dc0fae Alex Deucher 2017-12-14  748  		if (r) {
75758255dc0fae Alex Deucher 2017-12-14  749  			kfree(config);
75758255dc0fae Alex Deucher 2017-12-14  750  			return r;
75758255dc0fae Alex Deucher 2017-12-14  751  		}
75758255dc0fae Alex Deucher 2017-12-14  752  
75758255dc0fae Alex Deucher 2017-12-14  753  		result += 4;
75758255dc0fae Alex Deucher 2017-12-14  754  		buf += 4;
75758255dc0fae Alex Deucher 2017-12-14  755  		*pos += 4;
75758255dc0fae Alex Deucher 2017-12-14  756  		size -= 4;
75758255dc0fae Alex Deucher 2017-12-14  757  	}
75758255dc0fae Alex Deucher 2017-12-14  758  
75758255dc0fae Alex Deucher 2017-12-14  759  	kfree(config);
75758255dc0fae Alex Deucher 2017-12-14  760  	return result;
75758255dc0fae Alex Deucher 2017-12-14  761  }
75758255dc0fae Alex Deucher 2017-12-14  762  
7e4237dbe494f9 Tom St Denis 2018-05-02  763  /**
7e4237dbe494f9 Tom St Denis 2018-05-02  764   * amdgpu_debugfs_sensor_read - Read from the powerplay sensors
7e4237dbe494f9 Tom St Denis 2018-05-02  765   *
7e4237dbe494f9 Tom St Denis 2018-05-02  766   * @f: open file handle
7e4237dbe494f9 Tom St Denis 2018-05-02  767   * @buf: User buffer to store read data in
7e4237dbe494f9 Tom St Denis 2018-05-02  768   * @size: Number of bytes to read
7e4237dbe494f9 Tom St Denis 2018-05-02  769   * @pos:  Offset to seek to
7e4237dbe494f9 Tom St Denis 2018-05-02  770   *
7e4237dbe494f9 Tom St Denis 2018-05-02  771   * The offset is treated as the BYTE address of one of the sensors
7e4237dbe494f9 Tom St Denis 2018-05-02  772   * enumerated in amd/include/kgd_pp_interface.h under the
7e4237dbe494f9 Tom St Denis 2018-05-02  773   * 'amd_pp_sensors' enumeration.  For instance to read the UVD VCLK
7e4237dbe494f9 Tom St Denis 2018-05-02  774   * you would use the offset 3 * 4 = 12.
7e4237dbe494f9 Tom St Denis 2018-05-02  775   */
75758255dc0fae Alex Deucher 2017-12-14  776  static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
75758255dc0fae Alex Deucher 2017-12-14  777  					size_t size, loff_t *pos)
75758255dc0fae Alex Deucher 2017-12-14  778  {
75758255dc0fae Alex Deucher 2017-12-14  779  	struct amdgpu_device *adev = file_inode(f)->i_private;
75758255dc0fae Alex Deucher 2017-12-14  780  	int idx, x, outsize, r, valuesize;
75758255dc0fae Alex Deucher 2017-12-14  781  	uint32_t values[16];
75758255dc0fae Alex Deucher 2017-12-14  782  
75758255dc0fae Alex Deucher 2017-12-14  783  	if (size & 3 || *pos & 0x3)
75758255dc0fae Alex Deucher 2017-12-14  784  		return -EINVAL;
75758255dc0fae Alex Deucher 2017-12-14  785  
b13aa1091fb200 Rex Zhu      2018-03-26  786  	if (!adev->pm.dpm_enabled)
75758255dc0fae Alex Deucher 2017-12-14  787  		return -EINVAL;
75758255dc0fae Alex Deucher 2017-12-14  788  
75758255dc0fae Alex Deucher 2017-12-14  789  	/* convert offset to sensor number */
75758255dc0fae Alex Deucher 2017-12-14  790  	idx = *pos >> 2;
75758255dc0fae Alex Deucher 2017-12-14  791  
75758255dc0fae Alex Deucher 2017-12-14  792  	valuesize = sizeof(values);
a9ffe2a9833835 Alex Deucher 2020-01-10  793  
a9ffe2a9833835 Alex Deucher 2020-01-10  794  	r = pm_runtime_get_sync(adev->ddev->dev);
9eee152aab56d3 Alex Deucher 2020-06-17  795  	if (r < 0) {
9eee152aab56d3 Alex Deucher 2020-06-17  796  		pm_runtime_put_autosuspend(adev->ddev->dev);
a9ffe2a9833835 Alex Deucher 2020-01-10  797  		return r;
9eee152aab56d3 Alex Deucher 2020-06-17  798  	}
a9ffe2a9833835 Alex Deucher 2020-01-10  799  
95a2f917387a23 Yintian Tao  2020-04-07  800  	r = amdgpu_virt_enable_access_debugfs(adev);
9eee152aab56d3 Alex Deucher 2020-06-17  801  	if (r < 0) {
9eee152aab56d3 Alex Deucher 2020-06-17  802  		pm_runtime_put_autosuspend(adev->ddev->dev);
95a2f917387a23 Yintian Tao  2020-04-07  803  		return r;
9eee152aab56d3 Alex Deucher 2020-06-17  804  	}
95a2f917387a23 Yintian Tao  2020-04-07  805  
75758255dc0fae Alex Deucher 2017-12-14  806  	r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
a9ffe2a9833835 Alex Deucher 2020-01-10  807  
a9ffe2a9833835 Alex Deucher 2020-01-10  808  	pm_runtime_mark_last_busy(adev->ddev->dev);
a9ffe2a9833835 Alex Deucher 2020-01-10  809  	pm_runtime_put_autosuspend(adev->ddev->dev);
a9ffe2a9833835 Alex Deucher 2020-01-10  810  
95a2f917387a23 Yintian Tao  2020-04-07  811  	if (r) {
95a2f917387a23 Yintian Tao  2020-04-07  812  		amdgpu_virt_disable_access_debugfs(adev);
4a5a2de66686e3 Kevin Wang   2019-01-11  813  		return r;
95a2f917387a23 Yintian Tao  2020-04-07  814  	}
75758255dc0fae Alex Deucher 2017-12-14  815  
95a2f917387a23 Yintian Tao  2020-04-07  816  	if (size > valuesize) {
95a2f917387a23 Yintian Tao  2020-04-07  817  		amdgpu_virt_disable_access_debugfs(adev);
75758255dc0fae Alex Deucher 2017-12-14  818  		return -EINVAL;
95a2f917387a23 Yintian Tao  2020-04-07  819  	}
75758255dc0fae Alex Deucher 2017-12-14  820  
75758255dc0fae Alex Deucher 2017-12-14  821  	outsize = 0;
75758255dc0fae Alex Deucher 2017-12-14  822  	x = 0;
75758255dc0fae Alex Deucher 2017-12-14  823  	if (!r) {
75758255dc0fae Alex Deucher 2017-12-14  824  		while (size) {
75758255dc0fae Alex Deucher 2017-12-14 @825  			r = put_user(values[x++], (int32_t *)buf);
75758255dc0fae Alex Deucher 2017-12-14  826  			buf += 4;
75758255dc0fae Alex Deucher 2017-12-14  827  			size -= 4;
75758255dc0fae Alex Deucher 2017-12-14  828  			outsize += 4;
75758255dc0fae Alex Deucher 2017-12-14  829  		}
75758255dc0fae Alex Deucher 2017-12-14  830  	}
75758255dc0fae Alex Deucher 2017-12-14  831  
95a2f917387a23 Yintian Tao  2020-04-07  832  	amdgpu_virt_disable_access_debugfs(adev);
75758255dc0fae Alex Deucher 2017-12-14  833  	return !r ? outsize : r;
75758255dc0fae Alex Deucher 2017-12-14  834  }
75758255dc0fae Alex Deucher 2017-12-14  835  

---
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: 30519 bytes --]

  parent reply	other threads:[~2020-09-02  1:12 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-28  8:53 [PATCH] sparse: use static inline for __chk_{user,io}_ptr() Luc Van Oostenryck
2020-08-28 11:15 ` kernel test robot
2020-08-28 11:15   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-08-28 11:37 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() kernel test robot
2020-08-28 11:37   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-08-28 12:20 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() kernel test robot
2020-08-28 12:20   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-08-28 14:21 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() kernel test robot
2020-08-28 14:21   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-08-28 15:11 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() kernel test robot
2020-08-28 15:11   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-08-28 19:04 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() Miguel Ojeda
2020-08-28 20:15   ` Luc Van Oostenryck
2020-08-29  7:33     ` Miguel Ojeda
2020-09-01  0:57 ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-09-01  5:33 ` kernel test robot
2020-09-01 21:37 ` kernel test robot
2020-09-02  1:12 ` kernel test robot [this message]
2020-09-03  2:56 ` kernel test robot
2020-09-03  4:06 ` kernel test robot
  -- strict thread matches above, loose matches on Subject: below --
2020-06-28  7:20 [PATCH] sparse: use static inline for __chk_{user,io}_ptr() Luc Van Oostenryck
2020-06-29 17:12 ` kernel test robot
2020-06-29 17:12   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-06-29 18:08 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() kernel test robot
2020-06-29 18:08   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-06-29 18:37   ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() Luc Van Oostenryck
2020-06-29 18:37     ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() Luc Van Oostenryck
2020-06-30  0:31     ` Rong Chen
2020-06-30 11:58 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() kernel test robot
2020-06-30 11:58   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot
2020-07-01 18:35 ` [PATCH] sparse: use static inline for __chk_{user,io}_ptr() kernel test robot
2020-07-01 18:35   ` [PATCH] sparse: use static inline for __chk_{user, io}_ptr() kernel test robot

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