D25671.id74721.diff
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	Index: sys/crypto/ccp/ccp.c
	===================================================================
	--- sys/crypto/ccp/ccp.c
	+++ sys/crypto/ccp/ccp.c
	@@ -44,6 +44,8 @@
	#include <sys/sglist.h>
	#include <sys/sysctl.h>

	+#include <machine/vmparam.h>
	+
	#ifdef DDB
	#include <ddb/ddb.h>
	#endif
	@@ -106,6 +108,10 @@
	break;
	case CRYPTO_BUF_CONTIG:
	error = sglist_append(sg, cb->cb_buf, cb->cb_buf_len);
	+ break;
	+ case CRYPTO_BUF_VMPAGE:
	+ error = sglist_append_vmpages(sg, cb->cb_vm_page,
	+ cb->cb_vm_page_len, cb->cb_vm_page_offset);
	break;
	default:
	error = EINVAL;
	Index: sys/dev/cxgbe/crypto/t4_crypto.c
	===================================================================
	--- sys/dev/cxgbe/crypto/t4_crypto.c
	+++ sys/dev/cxgbe/crypto/t4_crypto.c
	@@ -36,6 +36,8 @@
	#include <sys/module.h>
	#include <sys/sglist.h>

	+#include <machine/vmparam.h>
	+
	#include <opencrypto/cryptodev.h>
	#include <opencrypto/xform.h>

	@@ -271,6 +273,10 @@
	break;
	case CRYPTO_BUF_CONTIG:
	error = sglist_append(sg, cb->cb_buf, cb->cb_buf_len);
	+ break;
	+ case CRYPTO_BUF_VMPAGE:
	+ error = sglist_append_vmpages(sg, cb->cb_vm_page,
	+ cb->cb_vm_page_len, cb->cb_vm_page_offset);
	break;
	default:
	error = EINVAL;
	Index: sys/dev/sec/sec.c
	===================================================================
	--- sys/dev/sec/sec.c
	+++ sys/dev/sec/sec.c
	@@ -49,6 +49,7 @@
	#include <machine/_inttypes.h>
	#include <machine/bus.h>
	#include <machine/resource.h>
	+#include <machine/vmparam.h>

	#include <opencrypto/cryptodev.h>
	#include <opencrypto/xform_auth.h>
	@@ -850,6 +851,9 @@
	break;
	case CRYPTO_BUF_MBUF:
	size = m_length(crp->crp_buf.cb_mbuf, NULL);
	+ break;
	+ case CRYPTO_BUF_VMPAGE:
	+ size = PAGE_SIZE - cb->cb_vm_page_offset;
	break;
	default:
	return (EINVAL);
	Index: sys/geom/eli/g_eli.c
	===================================================================
	--- sys/geom/eli/g_eli.c
	+++ sys/geom/eli/g_eli.c
	@@ -49,6 +49,8 @@
	#include <sys/uio.h>
	#include <sys/vnode.h>

	+#include <machine/vmparam.h>
	+
	#include <vm/uma.h>

	#include <geom/geom.h>
	@@ -972,6 +974,16 @@
	*/
	pp = g_new_providerf(gp, "%s%s", bpp->name, G_ELI_SUFFIX);
	pp->flags \|= G_PF_DIRECT_SEND \| G_PF_DIRECT_RECEIVE;
	+ if (PMAP_HAS_DMAP) {
	+ /*
	+ * On DMAP architectures we can use unmapped I/O. But don't
	+ * use it with data integrity verification. That module needs
	+ * much more intimate access to the bio's data in order to
	+ * add/remove HMAC fields, and split bios that exceed MAXPHYS.
	+ */
	+ if ((sc->sc_flags & G_ELI_FLAG_AUTH) == 0)
	+ pp->flags \|= G_PF_ACCEPT_UNMAPPED;
	+ }
	pp->mediasize = sc->sc_mediasize;
	pp->sectorsize = sc->sc_sectorsize;
	LIST_FOREACH(gap, &bpp->aliases, ga_next)
	Index: sys/geom/eli/g_eli_privacy.c
	===================================================================
	--- sys/geom/eli/g_eli_privacy.c
	+++ sys/geom/eli/g_eli_privacy.c
	@@ -45,6 +45,8 @@
	#include <sys/smp.h>
	#include <sys/vnode.h>

	+#include <machine/vmparam.h>
	+
	#include <vm/uma.h>

	#include <geom/geom.h>
	@@ -63,6 +65,28 @@
	MALLOC_DECLARE(M_ELI);

	/*
	+ * Copy data from a (potentially unmapped) bio to a kernelspace buffer.
	+ *
	+ * The buffer must have at least as much room as bp->bio_length.
	+ */
	+static void
	+g_eli_bio_copyin(struct bio bp, void kaddr)
	+{
	+ struct uio uio;
	+ struct iovec iov[1];
	+
	+ iov[0].iov_base = kaddr;
	+ iov[0].iov_len = bp->bio_length;
	+ uio.uio_iov = iov;
	+ uio.uio_iovcnt = 1;
	+ uio.uio_offset = 0;
	+ uio.uio_resid = bp->bio_length;
	+ uio.uio_segflg = UIO_SYSSPACE;
	+ uio.uio_rw = UIO_READ;
	+ uiomove_fromphys(bp->bio_ma, bp->bio_ma_offset, bp->bio_length, &uio);
	+}
	+
	+/*
	* The function is called after we read and decrypt data.
	*
	* g_eli_start -> g_eli_crypto_read -> g_io_request -> g_eli_read_done -> g_eli_crypto_run -> G_ELI_CRYPTO_READ_DONE -> g_io_deliver
	@@ -98,8 +122,7 @@
	*/
	if (bp->bio_inbed < bp->bio_children)
	return (0);
	- free(bp->bio_driver2, M_ELI);
	- bp->bio_driver2 = NULL;
	+
	if (bp->bio_error != 0) {
	G_ELI_LOGREQ(0, bp, "Crypto READ request failed (error=%d).",
	bp->bio_error);
	@@ -167,6 +190,7 @@
	return (0);
	}
	cbp->bio_data = bp->bio_driver2;
	+ cbp->bio_flags &= ~BIO_UNMAPPED;
	cbp->bio_done = g_eli_write_done;
	cp = LIST_FIRST(&gp->consumer);
	cbp->bio_to = cp->provider;
	@@ -236,10 +260,12 @@
	{
	struct g_eli_softc *sc;
	struct cryptop *crp;
	+ vm_page_t *pages;
	u_int i, nsec, secsize;
	off_t dstoff;
	- u_char *data;
	+ u_char *data = NULL;
	int error;
	+ int pages_offset;

	G_ELI_LOGREQ(3, bp, "%s", __func__);

	@@ -258,16 +284,39 @@
	if (bp->bio_cmd == BIO_WRITE) {
	data = malloc(bp->bio_length, M_ELI, M_WAITOK);
	bp->bio_driver2 = data;
	- bcopy(bp->bio_data, data, bp->bio_length);
	- } else
	- data = bp->bio_data;
	+ /*
	+ * This copy could be eliminated by using crypto's output
	+ * buffer, instead of using a single overwriting buffer.
	+ */
	+ if ((bp->bio_flags & BIO_UNMAPPED) != 0)
	+ g_eli_bio_copyin(bp, data);
	+ else
	+ bcopy(bp->bio_data, data, bp->bio_length);
	+ } else {
	+ if ((bp->bio_flags & BIO_UNMAPPED) != 0) {
	+ pages = bp->bio_ma;
	+ pages_offset = bp->bio_ma_offset;
	+ } else {
	+ data = bp->bio_data;
	+ }
	+ }

	for (i = 0, dstoff = bp->bio_offset; i < nsec; i++, dstoff += secsize) {
	crp = crypto_getreq(wr->w_sid, M_WAITOK);

	- crypto_use_buf(crp, data, secsize);
	+ if (data) {
	+ crypto_use_buf(crp, data, secsize);
	+ data += secsize;
	+ } else {
	+ KASSERT(PMAP_HAS_DMAP,
	+ ("geli can't use unmapped I/O on non-dmap arches"));
	+ MPASS(pages != NULL);
	+ crypto_use_vm_page(crp, pages, secsize, pages_offset);
	+ pages_offset += secsize;
	+ pages += pages_offset >> PAGE_SHIFT;
	+ pages_offset &= PAGE_MASK;
	+ }
	crp->crp_opaque = (void *)bp;
	- data += secsize;
	if (bp->bio_cmd == BIO_WRITE) {
	crp->crp_op = CRYPTO_OP_ENCRYPT;
	crp->crp_callback = g_eli_crypto_write_done;
	Index: sys/kern/subr_bus_dma.c
	===================================================================
	--- sys/kern/subr_bus_dma.c
	+++ sys/kern/subr_bus_dma.c
	@@ -46,6 +46,8 @@
	#include <sys/proc.h>
	#include <sys/uio.h>

	+#include <machine/vmparam.h>
	+
	#include <vm/vm.h>
	#include <vm/vm_page.h>
	#include <vm/vm_map.h>
	@@ -660,6 +662,11 @@
	case CRYPTO_BUF_UIO:
	error = _bus_dmamap_load_uio(dmat, map, cb->cb_uio, &nsegs,
	flags);
	+ break;
	+ case CRYPTO_BUF_VMPAGE:
	+ error = _bus_dmamap_load_ma(dmat, map, cb->cb_vm_page,
	+ cb->cb_vm_page_len, cb->cb_vm_page_offset, flags, NULL,
	+ &nsegs);
	break;
	default:
	error = EINVAL;
	Index: sys/opencrypto/criov.c
	===================================================================
	--- sys/opencrypto/criov.c
	+++ sys/opencrypto/criov.c
	@@ -41,11 +41,17 @@
	#include <sys/limits.h>
	#include <sys/lock.h>

	+#include <machine/vmparam.h>
	+
	+#include <vm/vm.h>
	+#include <vm/vm_page.h>
	+#include <vm/pmap.h>
	+
	#include <opencrypto/cryptodev.h>

	/*
	- * This macro is only for avoiding code duplication, as we need to skip
	- * given number of bytes in the same way in three functions below.
	+ * These macros are only for avoiding code duplication, as we need to skip
	+ * given number of bytes in the same way in several functions below.
	*/
	#define CUIO_SKIP() do { \
	KASSERT(off >= 0, ("%s: off %d < 0", __func__, off)); \
	@@ -59,6 +65,17 @@
	iov++; \
	} \
	} while (0)
	+#define VM_PAGE_SKIP() do { \
	+ KASSERT(off >= 0, ("%s: off %d < 0", __func__, off)); \
	+ KASSERT(len >= 0, ("%s: len %d < 0", __func__, len)); \
	+ while (off > 0) { \
	+ if (off < PAGE_SIZE) \
	+ break; \
	+ processed += PAGE_SIZE - off; \
	+ off -= PAGE_SIZE - off; \
	+ pages++; \
	+ } \
	+} while (0)

	static void
	cuio_copydata(struct uio* uio, int off, int len, caddr_t cp)
	@@ -128,6 +145,94 @@
	return (-1);
	}

	+/*
	+ * Apply function f to the data in a vm_page_t list starting "off" bytes from
	+ * the beginning, continuing for "len" bytes.
	+ */
	+static int
	+vm_page_apply(vm_page_t *pages, int off, int len,
	+ int (f)(void , const void , u_int), void arg)
	+{
	+ int processed = 0;
	+ unsigned count;
	+ int rval;
	+
	+ VM_PAGE_SKIP();
	+ while (len > 0) {
	+ char kaddr = (char)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(*pages));
	+ count = min(PAGE_SIZE - off, len);
	+ rval = (*f)(arg, kaddr + off, count);
	+ if (rval)
	+ return (rval);
	+ len -= count;
	+ processed += count;
	+ off = 0;
	+ pages++;
	+ }
	+ return (0);
	+}
	+
	+static inline void *
	+vm_page_contiguous_segment(vm_page_t *pages, size_t skip, int len)
	+{
	+ if ((skip + len - 1) / PAGE_SIZE > skip / PAGE_SIZE)
	+ return (NULL);
	+
	+ pages += (skip / PAGE_SIZE);
	+ skip -= rounddown(skip, PAGE_SIZE);
	+ return (((char)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(pages))) + skip);
	+}
	+
	+/*
	+ * Copy len bytes of data from the vm_page_t array, skipping the first off
	+ * bytes, into the pointer cp. Return the number of bytes skipped and copied.
	+ * Does not verify the length of the array.
	+ */
	+static int
	+vm_page_copyback(vm_page_t *pages, int off, int len, c_caddr_t cp)
	+{
	+ int processed = 0;
	+ unsigned count;
	+
	+ VM_PAGE_SKIP();
	+ while (len > 0) {
	+ count = min(PAGE_SIZE - off, len);
	+ bcopy(cp, (char)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(pages)) + off,
	+ count);
	+ len -= count;
	+ cp += count;
	+ processed += count;
	+ off = 0;
	+ pages++;
	+ }
	+ return processed;
	+}
	+
	+/*
	+ * Copy len bytes of data from the pointer cp into the vm_page_t array,
	+ * skipping the first off bytes, Return the number of bytes skipped and copied.
	+ * Does not verify the length of the array.
	+ */
	+static int
	+vm_page_copydata(vm_page_t *pages, int off, int len, caddr_t cp)
	+{
	+ int processed = 0;
	+ unsigned count;
	+
	+ VM_PAGE_SKIP();
	+ while (len > 0) {
	+ count = min(PAGE_SIZE - off, len);
	+ bcopy(((char)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(pages)) + off), cp,
	+ count);
	+ len -= count;
	+ cp += count;
	+ processed += count;
	+ off = 0;
	+ pages++;
	+ }
	+ return processed;
	+}
	+
	void
	crypto_cursor_init(struct crypto_buffer_cursor *cc,
	const struct crypto_buffer *cb)
	@@ -142,6 +247,11 @@
	case CRYPTO_BUF_MBUF:
	cc->cc_mbuf = cb->cb_mbuf;
	break;
	+ case CRYPTO_BUF_VMPAGE:
	+ cc->cc_vm_page = cb->cb_vm_page;
	+ cc->cc_buf_len = cb->cb_vm_page_len;
	+ cc->cc_offset = cb->cb_vm_page_offset;
	+ break;
	case CRYPTO_BUF_UIO:
	cc->cc_iov = cb->cb_uio->uio_iov;
	break;
	@@ -178,6 +288,21 @@
	break;
	}
	break;
	+ case CRYPTO_BUF_VMPAGE:
	+ for (;;) {
	+ remain = MIN(PAGE_SIZE - cc->cc_offset, cc->cc_buf_len);
	+ cc->cc_buf_len -= amount;
	+ if (amount < remain) {
	+ cc->cc_offset += amount;
	+ break;
	+ }
	+ amount -= remain;
	+ cc->cc_vm_page++;
	+ cc->cc_offset = 0;
	+ if (amount == 0)
	+ break;
	+ }
	+ break;
	case CRYPTO_BUF_UIO:
	for (;;) {
	remain = cc->cc_iov->iov_len - cc->cc_offset;
	@@ -212,6 +337,9 @@
	KASSERT((cc->cc_mbuf->m_flags & M_EXTPG) == 0,
	("%s: not supported for unmapped mbufs", __func__));
	return (mtod(cc->cc_mbuf, char *) + cc->cc_offset);
	+ case CRYPTO_BUF_VMPAGE:
	+ return ((char*)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(
	+ *cc->cc_vm_page)) + cc->cc_offset);
	case CRYPTO_BUF_UIO:
	return ((char *)cc->cc_iov->iov_base + cc->cc_offset);
	default:
	@@ -228,6 +356,8 @@
	switch (cc->cc_type) {
	case CRYPTO_BUF_CONTIG:
	return (cc->cc_buf_len);
	+ case CRYPTO_BUF_VMPAGE:
	+ return (PAGE_SIZE - cc->cc_offset);
	case CRYPTO_BUF_MBUF:
	if (cc->cc_mbuf == NULL)
	return (0);
	@@ -278,6 +408,26 @@
	break;
	}
	break;
	+ case CRYPTO_BUF_VMPAGE:
	+ for (;;) {
	+ dst = (char*)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(
	+ *cc->cc_vm_page)) + cc->cc_offset;
	+ remain = MIN(PAGE_SIZE - cc->cc_offset, cc->cc_buf_len);
	+ todo = MIN(remain, size);
	+ memcpy(dst, src, todo);
	+ src += todo;
	+ cc->cc_buf_len -= todo;
	+ if (todo < remain) {
	+ cc->cc_offset += todo;
	+ break;
	+ }
	+ size -= todo;
	+ cc->cc_vm_page++;
	+ cc->cc_offset = 0;
	+ if (size == 0)
	+ break;
	+ }
	+ break;
	case CRYPTO_BUF_UIO:
	for (;;) {
	dst = (char *)cc->cc_iov->iov_base + cc->cc_offset;
	@@ -339,6 +489,26 @@
	break;
	}
	break;
	+ case CRYPTO_BUF_VMPAGE:
	+ for (;;) {
	+ src = (char*)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(
	+ *cc->cc_vm_page)) + cc->cc_offset;
	+ remain = MIN(PAGE_SIZE - cc->cc_offset, cc->cc_buf_len);
	+ todo = MIN(remain, size);
	+ memcpy(dst, src, todo);
	+ src += todo;
	+ cc->cc_buf_len -= todo;
	+ if (todo < remain) {
	+ cc->cc_offset += todo;
	+ break;
	+ }
	+ size -= todo;
	+ cc->cc_vm_page++;
	+ cc->cc_offset = 0;
	+ if (size == 0)
	+ break;
	+ }
	+ break;
	case CRYPTO_BUF_UIO:
	for (;;) {
	src = (const char *)cc->cc_iov->iov_base +
	@@ -421,6 +591,12 @@
	case CRYPTO_BUF_MBUF:
	m_copyback(cb->cb_mbuf, off, size, src);
	break;
	+ case CRYPTO_BUF_VMPAGE:
	+ MPASS(size <= cb->cb_vm_page_len);
	+ MPASS(size + off <= cb->cb_vm_page_len + cb->cb_vm_page_offset);
	+ vm_page_copyback(cb->cb_vm_page, off + cb->cb_vm_page_offset,
	+ size, src);
	+ break;
	case CRYPTO_BUF_UIO:
	cuio_copyback(cb->cb_uio, off, size, src);
	break;
	@@ -444,6 +620,13 @@
	case CRYPTO_BUF_MBUF:
	m_copydata(crp->crp_buf.cb_mbuf, off, size, dst);
	break;
	+ case CRYPTO_BUF_VMPAGE:
	+ MPASS(size <= crp->crp_buf.cb_vm_page_len);
	+ MPASS(size + off <= crp->crp_buf.cb_vm_page_len +
	+ crp->crp_buf.cb_vm_page_offset);
	+ vm_page_copydata(crp->crp_buf.cb_vm_page,
	+ off + crp->crp_buf.cb_vm_page_offset, size, dst);
	+ break;
	case CRYPTO_BUF_UIO:
	cuio_copydata(crp->crp_buf.cb_uio, off, size, dst);
	break;
	@@ -473,6 +656,10 @@
	case CRYPTO_BUF_UIO:
	error = cuio_apply(cb->cb_uio, off, len, f, arg);
	break;
	+ case CRYPTO_BUF_VMPAGE:
	+ error = vm_page_apply(cb->cb_vm_page,
	+ off + cb->cb_vm_page_offset, len, f, arg);
	+ break;
	case CRYPTO_BUF_CONTIG:
	MPASS(off + len <= cb->cb_buf_len);
	error = (*f)(arg, cb->cb_buf + off, len);
	@@ -540,6 +727,10 @@
	return (m_contiguous_subsegment(cb->cb_mbuf, skip, len));
	case CRYPTO_BUF_UIO:
	return (cuio_contiguous_segment(cb->cb_uio, skip, len));
	+ case CRYPTO_BUF_VMPAGE:
	+ MPASS(skip + len <= cb->cb_vm_page_len);
	+ return (vm_page_contiguous_segment(cb->cb_vm_page,
	+ skip + cb->cb_vm_page_offset, len));
	case CRYPTO_BUF_CONTIG:
	MPASS(skip + len <= cb->cb_buf_len);
	return (cb->cb_buf + skip);
	Index: sys/opencrypto/crypto.c
	===================================================================
	--- sys/opencrypto/crypto.c
	+++ sys/opencrypto/crypto.c
	@@ -78,7 +78,9 @@

	#include <ddb/ddb.h>

	+#include <machine/vmparam.h>
	#include <vm/uma.h>
	+
	#include <crypto/intake.h>
	#include <opencrypto/cryptodev.h>
	#include <opencrypto/xform_auth.h>
	@@ -1240,6 +1242,8 @@
	if (cb->cb_mbuf->m_flags & M_PKTHDR)
	return (cb->cb_mbuf->m_pkthdr.len);
	return (m_length(cb->cb_mbuf, NULL));
	+ case CRYPTO_BUF_VMPAGE:
	+ return (cb->cb_vm_page_len);
	case CRYPTO_BUF_UIO:
	return (cb->cb_uio->uio_resid);
	default:
	@@ -1254,9 +1258,25 @@
	{
	KASSERT(cb->cb_type > CRYPTO_BUF_NONE && cb->cb_type <= CRYPTO_BUF_LAST,
	("incoming crp with invalid %s buffer type", name));
	- if (cb->cb_type == CRYPTO_BUF_CONTIG)
	+ switch (cb->cb_type) {
	+ case CRYPTO_BUF_CONTIG:
	KASSERT(cb->cb_buf_len >= 0,
	("incoming crp with -ve %s buffer length", name));
	+ break;
	+ case CRYPTO_BUF_VMPAGE:
	+ KASSERT(PMAP_HAS_DMAP,
	+ ("incoming crp uses dmap on supported arch"));
	+ KASSERT(cb->cb_vm_page_len >= 0,
	+ ("incoming crp with -ve %s buffer length", name));
	+ KASSERT(cb->cb_vm_page_offset >= 0,
	+ ("incoming crp with -ve %s buffer offset", name));
	+ KASSERT(cb->cb_vm_page_offset < PAGE_SIZE,
	+ ("incoming crp with %s buffer offset greater than page size"
	+ , name));
	+ break;
	+ default:
	+ break;
	+ }
	}

	static void
	Index: sys/opencrypto/cryptodev.h
	===================================================================
	--- sys/opencrypto/cryptodev.h
	+++ sys/opencrypto/cryptodev.h
	@@ -387,7 +387,8 @@
	CRYPTO_BUF_CONTIG,
	CRYPTO_BUF_UIO,
	CRYPTO_BUF_MBUF,
	- CRYPTO_BUF_LAST = CRYPTO_BUF_MBUF
	+ CRYPTO_BUF_VMPAGE,
	+ CRYPTO_BUF_LAST = CRYPTO_BUF_VMPAGE
	};

	/*
	@@ -402,6 +403,11 @@
	int cb_buf_len;
	};
	struct mbuf *cb_mbuf;
	+ struct {
	+ vm_page_t *cb_vm_page;
	+ int cb_vm_page_len;
	+ int cb_vm_page_offset;
	+ };
	struct uio *cb_uio;
	};
	enum crypto_buffer_type cb_type;
	@@ -415,11 +421,15 @@
	char *cc_buf;
	struct mbuf *cc_mbuf;
	struct iovec *cc_iov;
	+ vm_page_t *cc_vm_page;
	};
	- union {
	- int cc_buf_len;
	- size_t cc_offset;
	- };
	+ /* Optional bytes of valid data remaining */
	+ int cc_buf_len;
	+ /*
	+ * Optional offset within the current buffer segment where
	+ * valid data begins
	+ */
	+ size_t cc_offset;
	enum crypto_buffer_type cc_type;
	};

	@@ -509,6 +519,16 @@
	}

	static __inline void
	+_crypto_use_vm_page(struct crypto_buffer cb, vm_page_t pages, int len,
	+ int offset)
	+{
	+ cb->cb_vm_page = pages;
	+ cb->cb_vm_page_len = len;
	+ cb->cb_vm_page_offset = offset;
	+ cb->cb_type = CRYPTO_BUF_VMPAGE;
	+}
	+
	+static __inline void
	_crypto_use_uio(struct crypto_buffer cb, struct uio uio)
	{
	cb->cb_uio = uio;
	@@ -528,6 +548,13 @@
	}

	static __inline void
	+crypto_use_vm_page(struct cryptop crp, vm_page_t pages, int len,
	+ int offset)
	+{
	+ _crypto_use_vm_page(&crp->crp_buf, pages, len, offset);
	+}
	+
	+static __inline void
	crypto_use_uio(struct cryptop crp, struct uio uio)
	{
	_crypto_use_uio(&crp->crp_buf, uio);
	@@ -543,6 +570,13 @@
	crypto_use_output_mbuf(struct cryptop crp, struct mbuf m)
	{
	_crypto_use_mbuf(&crp->crp_obuf, m);
	+}
	+
	+static __inline void
	+crypto_use_output_vm_page(struct cryptop crp, vm_page_t pages, int len,
	+ int offset)
	+{
	+ _crypto_use_vm_page(&crp->crp_obuf, pages, len, offset);
	}

	static __inline void
	Index: sys/opencrypto/cryptosoft.c
	===================================================================
	--- sys/opencrypto/cryptosoft.c
	+++ sys/opencrypto/cryptosoft.c
	@@ -47,6 +47,8 @@
	#include <sys/limits.h>
	#include <sys/mutex.h>

	+#include <machine/vmparam.h>
	+
	#include <crypto/sha1.h>
	#include <opencrypto/rmd160.h>

	@@ -979,6 +981,10 @@
	uio->uio_iovcnt--;
	}
	}
	+ break;
	+ case CRYPTO_BUF_VMPAGE:
	+ adj = crp->crp_payload_length - result;
	+ crp->crp_buf.cb_vm_page_len -= adj;
	break;
	default:
	break;

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