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[smart] replace varea pgmgr and fixup of dfs mmap (#8184)

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Signed-off-by: shell <smokewood@qq.com>
Signed-off-by: Shell <smokewood@qq.com>
This commit is contained in:
Shell
2023-10-25 14:59:48 +08:00
committed by GitHub
parent adbb5fd94a
commit fb78a71020
30 changed files with 1468 additions and 321 deletions
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45
components/dfs/dfs_v2/src/dfs_file_mmap.c
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@@ -35,10 +35,10 @@
static rt_mem_obj_t dfs_get_mem_obj(struct dfs_file *file);
static void *dfs_mem_obj_get_file(rt_mem_obj_t mem_obj);
static rt_varea_t _dfs_map_user_varea_data(struct rt_lwp *lwp, void *map_vaddr, size_t map_size, size_t attr, mm_flag_t flags, off_t pgoffset, void *data)
static void *_do_mmap(struct rt_lwp *lwp, void *map_vaddr, size_t map_size, size_t attr,
mm_flag_t flags, off_t pgoffset, void *data, rt_err_t *code)
{
int ret = 0;
rt_varea_t varea;
void *vaddr = map_vaddr;
rt_mem_obj_t mem_obj = dfs_get_mem_obj(data);
@@ -46,25 +46,21 @@ static rt_varea_t _dfs_map_user_varea_data(struct rt_lwp *lwp, void *map_vaddr,
attr, flags, mem_obj, pgoffset);
if (ret != RT_EOK)
{
varea = RT_NULL;
}
else
{
varea = rt_aspace_query(lwp->aspace, vaddr);
}
if (ret != RT_EOK)
{
vaddr = RT_NULL;
LOG_E("failed to map %lx with size %lx with errno %d", map_vaddr,
map_size, ret);
}
return varea;
if (code)
{
*code = ret;
}
return vaddr;
}
static rt_varea_t dfs_map_user_varea_data(struct dfs_mmap2_args *mmap2, void *data)
static void *_map_data_to_uspace(struct dfs_mmap2_args *mmap2, void *data, rt_err_t *code)
{
rt_varea_t varea = RT_NULL;
size_t offset = 0;
void *map_vaddr = mmap2->addr;
size_t map_size = mmap2->length;
@@ -82,10 +78,10 @@ static rt_varea_t dfs_map_user_varea_data(struct dfs_mmap2_args *mmap2, void *da
k_flags = lwp_user_mm_flag_to_kernel(mmap2->flags);
k_attr = lwp_user_mm_attr_to_kernel(mmap2->prot);
varea = _dfs_map_user_varea_data(lwp, map_vaddr, map_size, k_attr, k_flags, mmap2->pgoffset, data);
map_vaddr = _do_mmap(lwp, map_vaddr, map_size, k_attr, k_flags, mmap2->pgoffset, data, code);
}
return varea;
return map_vaddr;
}
static void hint_free(rt_mm_va_hint_t hint)
@@ -405,7 +401,8 @@ static void *dfs_mem_obj_get_file(rt_mem_obj_t mem_obj)
int dfs_file_mmap(struct dfs_file *file, struct dfs_mmap2_args *mmap2)
{
int ret = -EINVAL;
rt_err_t ret = -EINVAL;
void *map_vaddr;
LOG_I("mmap2 args addr: %p length: 0x%x prot: %d flags: 0x%x pgoffset: 0x%x",
mmap2->addr, mmap2->length, mmap2->prot, mmap2->flags, mmap2->pgoffset);
@@ -414,19 +411,11 @@ int dfs_file_mmap(struct dfs_file *file, struct dfs_mmap2_args *mmap2)
if (file->vnode->aspace)
{
/* create a va area in user space (lwp) */
rt_varea_t varea = dfs_map_user_varea_data(mmap2, file);
if (varea)
map_vaddr = _map_data_to_uspace(mmap2, file, &ret);
if (map_vaddr)
{
mmap2->ret = varea->start;
LOG_I("%s varea: %p", __func__, varea);
LOG_I("varea start: %p size: 0x%x offset: 0x%x attr: 0x%x flag: 0x%x",
varea->start, varea->size, varea->offset, varea->attr, varea->flag);
mmap2->ret = map_vaddr;
LOG_I("file: %s%s", file->dentry->mnt->fullpath, file->dentry->pathname);
ret = RT_EOK;
}
else
{
ret = -ENOMEM;
}
}
else