* [pinchartl-media:rpi/next/bcm2835-isp 5/49] drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:729:1: warning: no previous prototype for 'vc_sm_cma_import_dmabuf_internal'
@ 2022-01-12 13:04 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-01-12 13:04 UTC (permalink / raw)
To: Dave Stevenson; +Cc: kbuild-all, linux-kernel, Laurent Pinchart
tree: git://linuxtv.org/pinchartl/media.git rpi/next/bcm2835-isp
head: 97975aa0732da0e2084ed69d140656c2162bec05
commit: 0cfa42bcc0795e569f1312e6ef5843c97bd36642 [5/49] staging: vc04_services: Add new vc-sm-cma driver
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20220112/202201122119.QHDMCN1z-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add pinchartl-media git://linuxtv.org/pinchartl/media.git
git fetch --no-tags pinchartl-media rpi/next/bcm2835-isp
git checkout 0cfa42bcc0795e569f1312e6ef5843c97bd36642
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc SHELL=/bin/bash drivers/media/platform/atmel/ drivers/staging/vc04_services/vc-sm-cma/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:729:1: warning: no previous prototype for 'vc_sm_cma_import_dmabuf_internal' [-Wmissing-prototypes]
729 | vc_sm_cma_import_dmabuf_internal(struct vc_sm_privdata_t *private,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:1112:5: warning: no previous prototype for 'vc_sm_cma_ioctl_alloc' [-Wmissing-prototypes]
1112 | int vc_sm_cma_ioctl_alloc(struct vc_sm_privdata_t *private,
| ^~~~~~~~~~~~~~~~~~~~~
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c: In function 'cache_op_to_func':
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:1265:24: error: 'dmac_flush_range' undeclared (first use in this function)
1265 | return dmac_flush_range;
| ^~~~~~~~~~~~~~~~
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:1265:24: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c: At top level:
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:1463:17: error: unknown type name 'compat_uptr_t'
1463 | compat_uptr_t start_address;
| ^~~~~~~~~~~~~
vim +/vc_sm_cma_import_dmabuf_internal +729 drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
726
727 /* Import a dma_buf to be shared with VC. */
728 int
> 729 vc_sm_cma_import_dmabuf_internal(struct vc_sm_privdata_t *private,
730 struct dma_buf *dma_buf,
731 int fd,
732 struct dma_buf **imported_buf)
733 {
734 DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
735 struct vc_sm_buffer *buffer = NULL;
736 struct vc_sm_import import = { };
737 struct vc_sm_import_result result = { };
738 struct dma_buf_attachment *attach = NULL;
739 struct sg_table *sgt = NULL;
740 dma_addr_t dma_addr;
741 int ret = 0;
742 int status;
743
744 /* Setup our allocation parameters */
745 pr_debug("%s: importing dma_buf %p/fd %d\n", __func__, dma_buf, fd);
746
747 if (fd < 0)
748 get_dma_buf(dma_buf);
749 else
750 dma_buf = dma_buf_get(fd);
751
752 if (!dma_buf)
753 return -EINVAL;
754
755 attach = dma_buf_attach(dma_buf, &sm_state->pdev->dev);
756 if (IS_ERR(attach)) {
757 ret = PTR_ERR(attach);
758 goto error;
759 }
760
761 sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
762 if (IS_ERR(sgt)) {
763 ret = PTR_ERR(sgt);
764 goto error;
765 }
766
767 /* Verify that the address block is contiguous */
768 if (sgt->nents != 1) {
769 ret = -ENOMEM;
770 goto error;
771 }
772
773 /* Allocate local buffer to track this allocation. */
774 buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
775 if (!buffer) {
776 ret = -ENOMEM;
777 goto error;
778 }
779
780 import.type = VC_SM_ALLOC_NON_CACHED;
781 dma_addr = sg_dma_address(sgt->sgl);
782 import.addr = (u32)dma_addr;
783 if ((import.addr & 0xC0000000) != 0xC0000000) {
784 pr_err("%s: Expecting an uncached alias for dma_addr %pad\n",
785 __func__, &dma_addr);
786 import.addr |= 0xC0000000;
787 }
788 import.size = sg_dma_len(sgt->sgl);
789 import.allocator = current->tgid;
790 import.kernel_id = get_kernel_id(buffer);
791
792 memcpy(import.name, VC_SM_RESOURCE_NAME_DEFAULT,
793 sizeof(VC_SM_RESOURCE_NAME_DEFAULT));
794
795 pr_debug("[%s]: attempt to import \"%s\" data - type %u, addr %pad, size %u.\n",
796 __func__, import.name, import.type, &dma_addr, import.size);
797
798 /* Allocate the videocore buffer. */
799 status = vc_sm_cma_vchi_import(sm_state->sm_handle, &import, &result,
800 &sm_state->int_trans_id);
801 if (status == -EINTR) {
802 pr_debug("[%s]: requesting import memory action restart (trans_id: %u)\n",
803 __func__, sm_state->int_trans_id);
804 ret = -ERESTARTSYS;
805 private->restart_sys = -EINTR;
806 private->int_action = VC_SM_MSG_TYPE_IMPORT;
807 goto error;
808 } else if (status || !result.res_handle) {
809 pr_debug("[%s]: failed to import memory on videocore (status: %u, trans_id: %u)\n",
810 __func__, status, sm_state->int_trans_id);
811 ret = -ENOMEM;
812 goto error;
813 }
814
815 mutex_init(&buffer->lock);
816 INIT_LIST_HEAD(&buffer->attachments);
817 memcpy(buffer->name, import.name,
818 min(sizeof(buffer->name), sizeof(import.name) - 1));
819
820 /* Keep track of the buffer we created. */
821 buffer->private = private;
822 buffer->vc_handle = result.res_handle;
823 buffer->size = import.size;
824 buffer->vpu_state = VPU_MAPPED;
825
826 buffer->imported = 1;
827 buffer->import.dma_buf = dma_buf;
828
829 buffer->import.attach = attach;
830 buffer->import.sgt = sgt;
831 buffer->dma_addr = dma_addr;
832 buffer->in_use = 1;
833 buffer->kernel_id = import.kernel_id;
834
835 /*
836 * We're done - we need to export a new dmabuf chaining through most
837 * functions, but enabling us to release our own internal references
838 * here.
839 */
840 exp_info.ops = &dma_buf_import_ops;
841 exp_info.size = import.size;
842 exp_info.flags = O_RDWR;
843 exp_info.priv = buffer;
844
845 buffer->dma_buf = dma_buf_export(&exp_info);
846 if (IS_ERR(buffer->dma_buf)) {
847 ret = PTR_ERR(buffer->dma_buf);
848 goto error;
849 }
850
851 vc_sm_add_resource(private, buffer);
852
853 *imported_buf = buffer->dma_buf;
854
855 return 0;
856
857 error:
858 if (result.res_handle) {
859 struct vc_sm_free_t free = { result.res_handle, 0 };
860
861 vc_sm_cma_vchi_free(sm_state->sm_handle, &free,
862 &sm_state->int_trans_id);
863 }
864 free_kernel_id(import.kernel_id);
865 kfree(buffer);
866 if (sgt)
867 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
868 if (attach)
869 dma_buf_detach(dma_buf, attach);
870 dma_buf_put(dma_buf);
871 return ret;
872 }
873
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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