Differential D20162 Diff 57079 head/sys/dev/nvdimm/nvdimm_spa.c

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head/sys/dev/nvdimm/nvdimm_spa.c

Show First 20 Lines • Show All 171 Lines • ▼ Show 20 Lines	nvdimm_spa_uio(struct nvdimm_spa_dev dev, struct uio uio)
struct vm_page m, *ma;		struct vm_page m, *ma;
off_t off;		off_t off;
vm_memattr_t mattr;		vm_memattr_t mattr;
int error, n;		int error, n;

error = 0;		error = 0;
if (dev->spa_kva == NULL) {		if (dev->spa_kva == NULL) {
mattr = nvdimm_spa_memattr(dev);		mattr = nvdimm_spa_memattr(dev);
		bzero(&m, sizeof(m));
vm_page_initfake(&m, 0, mattr);		vm_page_initfake(&m, 0, mattr);
ma = &m;		ma = &m;
while (uio->uio_resid > 0) {		while (uio->uio_resid > 0) {
if (uio->uio_offset >= dev->spa_len)		if (uio->uio_offset >= dev->spa_len)
break;		break;
off = dev->spa_phys_base + uio->uio_offset;		off = dev->spa_phys_base + uio->uio_offset;
vm_page_updatefake(&m, trunc_page(off), mattr);		vm_page_updatefake(&m, trunc_page(off), mattr);
n = PAGE_SIZE;		n = PAGE_SIZE;
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{		{
struct vm_page maa[bp->bio_ma_n];		struct vm_page maa[bp->bio_ma_n];
vm_page_t ma[bp->bio_ma_n];		vm_page_t ma[bp->bio_ma_n];
vm_memattr_t mattr;		vm_memattr_t mattr;
int i;		int i;

mattr = nvdimm_spa_memattr(dev);		mattr = nvdimm_spa_memattr(dev);
for (i = 0; i < nitems(ma); i++) {		for (i = 0; i < nitems(ma); i++) {
maa[i].flags = 0;		bzero(&maa[i], sizeof(maa[i]));
vm_page_initfake(&maa[i], dev->spa_phys_base +		vm_page_initfake(&maa[i], dev->spa_phys_base +
trunc_page(bp->bio_offset) + PAGE_SIZE * i, mattr);		trunc_page(bp->bio_offset) + PAGE_SIZE * i, mattr);
ma[i] = &maa[i];		ma[i] = &maa[i];
}		}
if (rw == BIO_READ)		if (rw == BIO_READ)
pmap_copy_pages(ma, bp->bio_offset & PAGE_MASK, bp->bio_ma,		pmap_copy_pages(ma, bp->bio_offset & PAGE_MASK, bp->bio_ma,
bp->bio_ma_offset, bp->bio_length);		bp->bio_ma_offset, bp->bio_length);
else		else
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