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ioctl() investigation - TO RESET

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This commit is contained in:
Balazs Gerofi
2017-08-30 18:38:47 +09:00
parent 815e2244ca
commit 73cc07f98e
5 changed files with 269 additions and 12 deletions
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19
kernel/syscall.c
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@ -1407,6 +1407,10 @@ do_mmap(const intptr_t addr0, const size_t len0, const int prot,
flush_nfo_tlb();
if (flags & MAP_ANONYMOUS) {
len = (len + LARGE_PAGE_SIZE - 1) & LARGE_PAGE_MASK;
}
if (flags & MAP_HUGETLB) {
pgshift = (flags >> MAP_HUGE_SHIFT) & 0x3F;
p2align = pgshift - PAGE_SHIFT;
@ -3144,6 +3148,8 @@ SYSCALL_DECLARE(ioctl)
struct process *proc = thread->proc;
struct mckfd *fdp;
long irqstate;
void *private_data = proc->fd_priv_table[fd];
unsigned long t_s = rdtsc();
irqstate = ihk_mc_spinlock_lock(&proc->mckfd_lock);
for(fdp = proc->mckfd; fdp; fdp = fdp->next)
@ -3158,6 +3164,19 @@ SYSCALL_DECLARE(ioctl)
else{
rc = syscall_generic_forwarding(__NR_ioctl, ctx);
}
if (private_data) {
extern long hfi1_file_ioctl(void *private_data,
unsigned int cmd,
unsigned long arg,
unsigned long t_s);
hfi1_file_ioctl(private_data,
ihk_mc_syscall_arg1(ctx),
ihk_mc_syscall_arg2(ctx),
t_s);
}
return rc;
}