void nvrm_mmap(uint32_t id, uint32_t fd, uint64_t mmap_addr, uint64_t len, uint64_t mmap_offset)
{
struct gpu_object *obj;
struct cpu_mapping *cpu_mapping;
for (obj = gpu_objects; obj != NULL; obj = obj->next)
for (cpu_mapping = obj->cpu_mappings; cpu_mapping != NULL; cpu_mapping = cpu_mapping->next)
//can't validate fd
if (cpu_mapping->mmap_offset == mmap_offset)
{
cpu_mapping->cpu_addr = mmap_addr;
cpu_mapping->id = id;
set_cpu_mapping(id, cpu_mapping);
if (dump_sys_mmap)
{
if (cpu_mapping->fdtype == FDNVIDIA)
{
mmt_log_cont(", cid: 0x%08x, handle: 0x%08x", obj->cid, obj->handle);
describe_nvrm_object(obj->cid, obj->handle, "");
}
mmt_log_cont_nl();
}
return;
}
if (dump_sys_mmap)
mmt_log_cont_nl();
if (demmt_get_fdtype(fd) == FDNVIDIA)
mmt_error("nvrm_mmap: couldn't find object/space offset: 0x%016" PRIx64 "\n", mmap_offset);
buffer_mmap(id, fd, mmap_addr, len, mmap_offset);
}
void nvrm_mmap(uint32_t id, uint32_t fd, uint64_t mmap_addr, uint64_t len, uint64_t mmap_offset)
{
struct gpu_object *obj;
struct cpu_mapping *cpu_mapping;
for (obj = gpu_objects; obj != NULL; obj = obj->next)
for (cpu_mapping = obj->cpu_mappings; cpu_mapping != NULL; cpu_mapping = cpu_mapping->next)
//can't validate fd
if (cpu_mapping->mmap_offset == mmap_offset)
{
cpu_mapping->cpu_addr = mmap_addr;
uint32_t old_id = cpu_mapping->id;
cpu_mapping->id = id;
set_cpu_mapping(id, cpu_mapping);
if (dump_sys_mmap)
{
if (cpu_mapping->fdtype == FDNVIDIA)
{
mmt_log_cont(", cid: 0x%08x, handle: 0x%08x", obj->cid, obj->handle);
describe_nvrm_object(obj->cid, obj->handle, "");
}
mmt_log_cont_nl();
}
if (old_id)
mmt_error("%d -> %d, mapping reuse, expect crash soon\n", old_id, id);
/*
* On newer blob, where mmap_offset is 0 for
* all mappings (WTF?), clobber the value to
* prevent the next nvrm_mmap from finding this
* mapping.
*/
if (cpu_mapping->mmap_offset == 0)
cpu_mapping->mmap_offset = -1;
return;
}
if (dump_sys_mmap)
mmt_log_cont_nl();
if (demmt_get_fdtype(fd) == FDNVIDIA)
mmt_error("nvrm_mmap: couldn't find object/space offset: 0x%016" PRIx64 "\n", mmap_offset);
buffer_mmap(id, fd, mmap_addr, len, mmap_offset);
}
