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* add a very crude version of uvm_pageatop() 

* add biodone/aiodone
This commit is contained in:
pooka 2007-09-01 21:40:58 +00:00
parent ebf393b89f
commit 34ab6399f3
1 changed files with 46 additions and 3 deletions
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49
sys/rump/librump/rumpkern/vm.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm.c,v 1.14 2007/08/26 23:51:08 pooka Exp $ */
/* $NetBSD: vm.c,v 1.15 2007/09/01 21:40:58 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -108,6 +108,36 @@ rumpvm_freepage(struct vm_page *pg)
rumpuser_free(pg);
}
struct rumpva {
vaddr_t addr;
struct vm_page *pg;
LIST_ENTRY(rumpva) entries;
};
static LIST_HEAD(, rumpva) rvahead = LIST_HEAD_INITIALIZER(rvahead);
void
rumpvm_enterva(vaddr_t addr, struct vm_page *pg)
{
struct rumpva *rva;
rva = rumpuser_malloc(sizeof(struct rumpva), 0);
rva->addr = addr;
rva->pg = pg;
LIST_INSERT_HEAD(&rvahead, rva, entries);
}
void
rumpvm_flushva()
{
struct rumpva *rva;
while ((rva = LIST_FIRST(&rvahead)) != NULL) {
LIST_REMOVE(rva, entries);
rumpuser_free(rva);
}
}
/*
* vnode pager
*/
@ -349,8 +379,13 @@ uvm_pagelookup(struct uvm_object *uobj, voff_t off)
struct vm_page *
uvm_pageratop(vaddr_t va)
{
struct rumpva *rva;
panic("%s: unimplemented", __func__);
LIST_FOREACH(rva, &rvahead, entries)
if (rva->addr == va)
return rva->pg;
panic("%s: va %llu", __func__, (unsigned long long)va);
}
void
@ -373,7 +408,15 @@ void
uvm_aio_biodone(struct buf *bp)
{
panic("%s: unimplemented", __func__);
uvm_aio_aiodone(bp);
}
void
uvm_aio_aiodone(struct buf *bp)
{
if ((bp->b_flags & (B_READ | B_NOCACHE)) == 0 && bioops.io_pageiodone)
bioops.io_pageiodone(bp);
}
void