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support private mapped file

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This commit is contained in:
NAKAMURA Gou
2013-08-09 20:55:17 +09:00
parent 603ef85454
commit 27172ad413
17 changed files with 1392 additions and 133 deletions
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14
kernel/host.c
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@ -94,12 +94,13 @@ static int process_msg_prepare_process(unsigned long rphys)
range_npages = (e - s) >> PAGE_SHIFT;
flags = VR_NONE;
flags |= PROT_TO_VR_FLAG(pn->sections[i].prot);
flags |= VRFLAG_PROT_TO_MAXPROT(flags);
if((up_v = ihk_mc_alloc_pages(range_npages, IHK_MC_AP_NOWAIT)) == NULL){
goto err;
}
up = virt_to_phys(up_v);
if(add_process_memory_range(proc, s, e, up, flags) != 0){
if(add_process_memory_range(proc, s, e, up, flags, NULL, 0) != 0){
ihk_mc_free_pages(up_v, range_npages);
goto err;
}
@ -170,29 +171,32 @@ static int process_msg_prepare_process(unsigned long rphys)
/* Map system call stuffs */
flags = VR_RESERVED | VR_PROT_READ | VR_PROT_WRITE;
flags |= VRFLAG_PROT_TO_MAXPROT(flags);
addr = proc->vm->region.map_start - PAGE_SIZE * SCD_RESERVED_COUNT;
e = addr + PAGE_SIZE * DOORBELL_PAGE_COUNT;
if(add_process_memory_range(proc, addr, e,
cpu_local_var(scp).doorbell_pa,
VR_REMOTE | flags) != 0){
VR_REMOTE | flags, NULL, 0) != 0){
goto err;
}
addr = e;
e = addr + PAGE_SIZE * REQUEST_PAGE_COUNT;
if(add_process_memory_range(proc, addr, e,
cpu_local_var(scp).request_pa,
VR_REMOTE | flags) != 0){
VR_REMOTE | flags, NULL, 0) != 0){
goto err;
}
addr = e;
e = addr + PAGE_SIZE * RESPONSE_PAGE_COUNT;
if(add_process_memory_range(proc, addr, e,
cpu_local_var(scp).response_pa,
flags) != 0){
flags, NULL, 0) != 0){
goto err;
}
/* Map, copy and update args and envs */
flags = VR_PROT_READ | VR_PROT_WRITE;
flags |= VRFLAG_PROT_TO_MAXPROT(flags);
addr = e;
e = addr + PAGE_SIZE * ARGENV_PAGE_COUNT;
@ -202,7 +206,7 @@ static int process_msg_prepare_process(unsigned long rphys)
args_envs_p = virt_to_phys(args_envs);
if(add_process_memory_range(proc, addr, e, args_envs_p,
VR_PROT_READ|VR_PROT_WRITE) != 0){
flags, NULL, 0) != 0){
ihk_mc_free_pages(args_envs, ARGENV_PAGE_COUNT);
goto err;
}