10:07 p.m.
tree: git://git.infradead.org/users/hch/misc.git dma-bypass.3
head: e36a07612143eb7d46684c60596e13359d7dec83
commit: b4f328e819b538d013db8dfe53f75177e1c408b4 [1/5] firmware: qcom_scm: don't
include dma-direct.h
config: arm-defconfig (attached as .config)
compiler: arm-linux-gnueabi-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
git checkout b4f328e819b538d013db8dfe53f75177e1c408b4
# save the attached .config to linux build tree
GCC_VERSION=9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
drivers/firmware/qcom_scm.c: In function 'qcom_scm_assign_mem':
> drivers/firmware/qcom_scm.c:829:13: error: implicit declaration
of function 'dma_to_phys'; did you mean 'idmap_to_phys'?
[-Werror=implicit-function-declaration]
829 | ptr_phys =
dma_to_phys(__scm->dev, ptr_dma);
| ^~~~~~~~~~~
| idmap_to_phys
cc1: some warnings being treated as errors
vim +829 drivers/firmware/qcom_scm.c
57d3b816718c1c Elliot Berman 2020-01-07 786
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 787 /**
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 788 * qcom_scm_assign_mem() - Make a
secure call to reassign memory ownership
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 789 * @mem_addr: mem region whose
ownership need to be reassigned
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 790 * @mem_sz: size of the region.
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 791 * @srcvm: vmid for current set
of owners, each set bit in
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 792 * flag indicate a
unique owner
c8b08fc0d6f834 Stephen Boyd 2019-05-17 793 * @newvm: array having new
owners and corresponding permission
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 794 * flags
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 795 * @dest_cnt: number of owners in
next set.
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 796 *
c8b08fc0d6f834 Stephen Boyd 2019-05-17 797 * Return negative errno on failure
or 0 on success with @srcvm updated.
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 798 */
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 799 int qcom_scm_assign_mem(phys_addr_t
mem_addr, size_t mem_sz,
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 800 unsigned int *srcvm,
af311ff9a69189 Stephen Boyd 2019-05-17 801 const struct qcom_scm_vmperm
*newvm,
af311ff9a69189 Stephen Boyd 2019-05-17 802 unsigned int dest_cnt)
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 803 {
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 804 struct qcom_scm_current_perm_info
*destvm;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 805 struct qcom_scm_mem_map_info
*mem_to_map;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 806 phys_addr_t mem_to_map_phys;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 807 phys_addr_t dest_phys;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 808 phys_addr_t ptr_phys;
6e37ccf78a5329 Stephen Boyd 2019-05-17 809 dma_addr_t ptr_dma;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 810 size_t mem_to_map_sz;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 811 size_t dest_sz;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 812 size_t src_sz;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 813 size_t ptr_sz;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 814 int next_vm;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 815 __le32 *src;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 816 void *ptr;
af311ff9a69189 Stephen Boyd 2019-05-17 817 int ret, i, b;
af311ff9a69189 Stephen Boyd 2019-05-17 818 unsigned long srcvm_bits =
*srcvm;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 819
af311ff9a69189 Stephen Boyd 2019-05-17 820 src_sz = hweight_long(srcvm_bits)
* sizeof(*src);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 821 mem_to_map_sz =
sizeof(*mem_to_map);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 822 dest_sz = dest_cnt *
sizeof(*destvm);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 823 ptr_sz = ALIGN(src_sz, SZ_64) +
ALIGN(mem_to_map_sz, SZ_64) +
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 824 ALIGN(dest_sz, SZ_64);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 825
6e37ccf78a5329 Stephen Boyd 2019-05-17 826 ptr =
dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_dma, GFP_KERNEL);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 827 if (!ptr)
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 828 return -ENOMEM;
6e37ccf78a5329 Stephen Boyd 2019-05-17 @829 ptr_phys =
dma_to_phys(__scm->dev, ptr_dma);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 830
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 831 /* Fill source vmid detail */
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 832 src = ptr;
af311ff9a69189 Stephen Boyd 2019-05-17 833 i = 0;
af311ff9a69189 Stephen Boyd 2019-05-17 834 for_each_set_bit(b,
&srcvm_bits, BITS_PER_LONG)
af311ff9a69189 Stephen Boyd 2019-05-17 835 src[i++] = cpu_to_le32(b);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 836
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 837 /* Fill details of mem buff to map
*/
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 838 mem_to_map = ptr + ALIGN(src_sz,
SZ_64);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 839 mem_to_map_phys = ptr_phys +
ALIGN(src_sz, SZ_64);
af311ff9a69189 Stephen Boyd 2019-05-17 840 mem_to_map->mem_addr =
cpu_to_le64(mem_addr);
af311ff9a69189 Stephen Boyd 2019-05-17 841 mem_to_map->mem_size =
cpu_to_le64(mem_sz);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 842
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 843 next_vm = 0;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 844 /* Fill details of next vmid
detail */
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 845 destvm = ptr +
ALIGN(mem_to_map_sz, SZ_64) + ALIGN(src_sz, SZ_64);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 846 dest_phys = ptr_phys +
ALIGN(mem_to_map_sz, SZ_64) + ALIGN(src_sz, SZ_64);
af311ff9a69189 Stephen Boyd 2019-05-17 847 for (i = 0; i < dest_cnt; i++,
destvm++, newvm++) {
af311ff9a69189 Stephen Boyd 2019-05-17 848 destvm->vmid =
cpu_to_le32(newvm->vmid);
af311ff9a69189 Stephen Boyd 2019-05-17 849 destvm->perm =
cpu_to_le32(newvm->perm);
af311ff9a69189 Stephen Boyd 2019-05-17 850 destvm->ctx = 0;
af311ff9a69189 Stephen Boyd 2019-05-17 851 destvm->ctx_size = 0;
af311ff9a69189 Stephen Boyd 2019-05-17 852 next_vm |= BIT(newvm->vmid);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 853 }
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 854
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 855 ret =
__qcom_scm_assign_mem(__scm->dev, mem_to_map_phys, mem_to_map_sz,
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 856 ptr_phys, src_sz,
dest_phys, dest_sz);
6e37ccf78a5329 Stephen Boyd 2019-05-17 857 dma_free_coherent(__scm->dev,
ptr_sz, ptr, ptr_dma);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 858 if (ret) {
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 859 dev_err(__scm->dev,
c8b08fc0d6f834 Stephen Boyd 2019-05-17 860 "Assign memory protection
call failed %d\n", ret);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 861 return -EINVAL;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 862 }
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 863
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 864 *srcvm = next_vm;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 865 return 0;
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 866 }
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 867
EXPORT_SYMBOL(qcom_scm_assign_mem);
d82bd359972a7f Avaneesh Kumar Dwivedi 2017-10-24 868
:::::: The code at line 829 was first introduced by commit
:::::: 6e37ccf78a53296c6c7bf426065762c27829eb84 firmware: qcom_scm: Use proper types for
dma mappings
:::::: TO: Stephen Boyd <swboyd(a)chromium.org>
:::::: CC: Bjorn Andersson <bjorn.andersson(a)linaro.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org