52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#include <linux/sched.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <asm/uaccess.h>
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#include "mcctrl.h"
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static struct aal_ikc_listen_param __listen_param = {
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.port = 501,
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.handler = test_handler,
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.pkt_size = sizeof(struct ikc_test_packet),
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.queue_size = 4096,
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.magic = 0x29,
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};
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static long mcexec_prepare_image(struct mcctrl_priv *data,
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struct program_load_desc * __user udesc)
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{
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struct program_load_desc desc;
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if (!copy_from_user(&desc, udesc,
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sizeof(struct program_load_desc))) {
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return -EFAULT;
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}
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if (desc.num_sections <= 0 || desc.num_sections > 16) {
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return -EINVAL;
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}
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data->desc = kmalloc(sizeof(struct program_load_desc) +
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sizeof(struct program_image_section)
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* desc.num_sections, GFP_KERNEL);
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memcpy(data->desc, &desc, sizeof(struct program_load_desc));
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if (!copy_from_user(data->desc->sections, udesc->sections,
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sizeof(struct program_image_section)
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* desc.num_sections)) {
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kfree(data->desc);
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return -EFAULT;
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}
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return 0;
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}
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long __mcctrl_control(struct mcctrl_priv *data, unsigned int req,
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unsigned long arg)
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{
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switch (req) {
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case MCEXEC_UP_PREPARE_IMAGE:
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return mcexec_prepare_image((struct mcctrl_priv *)data,
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(struct program_load_desc *)arg);
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}
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return -EINVAL;
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}
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