zephyr/drivers/flash/flash_handlers.c
Laczen JMS 50597b2e52 flash: correct userspace flash_handlers
fixes #68248

Signed-off-by: Laczen JMS <laczenjms@gmail.com>
2024-01-30 08:30:32 -05:00

128 lines
3.9 KiB
C

/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/internal/syscall_handler.h>
#include <zephyr/drivers/flash.h>
static inline int z_vrfy_flash_read(const struct device *dev, off_t offset,
void *data, size_t len)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, read));
K_OOPS(K_SYSCALL_MEMORY_WRITE(data, len));
return z_impl_flash_read((const struct device *)dev, offset,
(void *)data,
len);
}
#include <syscalls/flash_read_mrsh.c>
static inline int z_vrfy_flash_write(const struct device *dev, off_t offset,
const void *data, size_t len)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, write));
K_OOPS(K_SYSCALL_MEMORY_READ(data, len));
return z_impl_flash_write((const struct device *)dev, offset,
(const void *)data, len);
}
#include <syscalls/flash_write_mrsh.c>
static inline int z_vrfy_flash_erase(const struct device *dev, off_t offset,
size_t size)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, erase));
return z_impl_flash_erase((const struct device *)dev, offset, size);
}
#include <syscalls/flash_erase_mrsh.c>
static inline size_t z_vrfy_flash_get_write_block_size(const struct device *dev)
{
K_OOPS(K_SYSCALL_OBJ(dev, K_OBJ_DRIVER_FLASH));
return z_impl_flash_get_write_block_size(dev);
}
#include <syscalls/flash_get_write_block_size_mrsh.c>
static inline const struct flash_parameters *z_vrfy_flash_get_parameters(const struct device *dev)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, get_parameters));
return z_impl_flash_get_parameters(dev);
}
#include <syscalls/flash_get_parameters_mrsh.c>
#ifdef CONFIG_FLASH_PAGE_LAYOUT
static inline int z_vrfy_flash_get_page_info_by_offs(const struct device *dev,
off_t offs,
struct flash_pages_info *info)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, page_layout));
K_OOPS(K_SYSCALL_MEMORY_WRITE(info, sizeof(struct flash_pages_info)));
return z_impl_flash_get_page_info_by_offs((const struct device *)dev,
offs,
(struct flash_pages_info *)info);
}
#include <syscalls/flash_get_page_info_by_offs_mrsh.c>
static inline int z_vrfy_flash_get_page_info_by_idx(const struct device *dev,
uint32_t idx,
struct flash_pages_info *info)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, page_layout));
K_OOPS(K_SYSCALL_MEMORY_WRITE(info, sizeof(struct flash_pages_info)));
return z_impl_flash_get_page_info_by_idx((const struct device *)dev,
idx,
(struct flash_pages_info *)info);
}
#include <syscalls/flash_get_page_info_by_idx_mrsh.c>
static inline size_t z_vrfy_flash_get_page_count(const struct device *dev)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, page_layout));
return z_impl_flash_get_page_count((const struct device *)dev);
}
#include <syscalls/flash_get_page_count_mrsh.c>
#endif /* CONFIG_FLASH_PAGE_LAYOUT */
#ifdef CONFIG_FLASH_JESD216_API
static inline int z_vrfy_flash_sfdp_read(const struct device *dev,
off_t offset,
void *data, size_t len)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, sfdp_read));
K_OOPS(K_SYSCALL_MEMORY_WRITE(data, len));
return z_impl_flash_sfdp_read(dev, offset, data, len);
}
#include <syscalls/flash_sfdp_read_mrsh.c>
static inline int z_vrfy_flash_read_jedec_id(const struct device *dev,
uint8_t *id)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, read_jedec_id));
K_OOPS(K_SYSCALL_MEMORY_WRITE(id, 3));
return z_impl_flash_read_jedec_id(dev, id);
}
#include <syscalls/flash_read_jedec_id_mrsh.c>
#endif /* CONFIG_FLASH_JESD216_API */
#ifdef CONFIG_FLASH_EX_OP_ENABLED
static inline int z_vrfy_flash_ex_op(const struct device *dev, uint16_t code,
const uintptr_t in, void *out)
{
K_OOPS(K_SYSCALL_DRIVER_FLASH(dev, ex_op));
/*
* If the code is a vendor code, then ex_op function have to perform
* verification. Zephyr codes should be verified here, but currently
* there are no Zephyr extended codes yet.
*/
return z_impl_flash_ex_op(dev, code, in, out);
}
#include <syscalls/flash_ex_op_mrsh.c>
#endif /* CONFIG_FLASH_EX_OP_ENABLED */