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sys/opencrypto/cryptodev.h

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* Materiel Command, USAF, under agreement number F30602-01-2-0537. * Materiel Command, USAF, under agreement number F30602-01-2-0537.
* *
*/ */
#ifndef _CRYPTO_CRYPTO_H_ #ifndef _CRYPTO_CRYPTO_H_
#define _CRYPTO_CRYPTO_H_ #define _CRYPTO_CRYPTO_H_
#include <sys/ioccom.h> #include <sys/ioccom.h>
#include <machine/vmparam.h>
#ifdef _KERNEL #ifdef _KERNEL
#include <opencrypto/_cryptodev.h> #include <opencrypto/_cryptodev.h>
#include <sys/_task.h> #include <sys/_task.h>
#endif #endif
/* Some initial values */ /* Some initial values */
#define CRYPTO_DRIVERS_INITIAL 4 #define CRYPTO_DRIVERS_INITIAL 4
▲ Show 20 Lines • Show All 308 Lines • ▼ Show 20 Lines int csp_auth_mlen; /* Number of digest bytes to use.
0 means all. */ 0 means all. */
}; };
enum crypto_buffer_type { enum crypto_buffer_type {
CRYPTO_BUF_NONE = 0, CRYPTO_BUF_NONE = 0,
CRYPTO_BUF_CONTIG, CRYPTO_BUF_CONTIG,
CRYPTO_BUF_UIO, CRYPTO_BUF_UIO,
CRYPTO_BUF_MBUF, CRYPTO_BUF_MBUF,
#if PMAP_HAS_DMAP
CRYPTO_BUF_VMPAGE,
CRYPTO_BUF_LAST = CRYPTO_BUF_VMPAGE
#else
CRYPTO_BUF_LAST = CRYPTO_BUF_MBUF CRYPTO_BUF_LAST = CRYPTO_BUF_MBUF
#endif /* PMAP_HAS_DMAP */
}; };
/* /*
* Description of a data buffer for a request. Requests can either * Description of a data buffer for a request. Requests can either
* have a single buffer that is modified in place or separate input * have a single buffer that is modified in place or separate input
* and output buffers. * and output buffers.
*/ */
struct crypto_buffer { struct crypto_buffer {
union { union {
struct { struct {
char *cb_buf; char *cb_buf;
int cb_buf_len; int cb_buf_len;
}; };
struct mbuf *cb_mbuf; struct mbuf *cb_mbuf;
#if PMAP_HAS_DMAP
struct {
vm_page_t *cb_vm_page;
int cb_vm_page_len;
int cb_vm_page_offset;
};
#endif /* PMAP_HAS_DMAP */
struct uio *cb_uio; struct uio *cb_uio;
}; };
enum crypto_buffer_type cb_type; enum crypto_buffer_type cb_type;
}; };
/* /*
* A cursor is used to iterate through a crypto request data buffer. * A cursor is used to iterate through a crypto request data buffer.
*/ */
struct crypto_buffer_cursor { struct crypto_buffer_cursor {
union { union {
char *cc_buf; char *cc_buf;
struct mbuf *cc_mbuf; struct mbuf *cc_mbuf;
struct iovec *cc_iov; struct iovec *cc_iov;
#if PMAP_HAS_DMAP
vm_page_t *cc_vm_page;
#endif /* PMAP_HAS_DMAP */
}; };
union { /* Optional bytes of valid data remaining */
int cc_buf_len; int cc_buf_len;
/*
* Optional offset within the current buffer segment where
* valid data begins
*/
size_t cc_offset; size_t cc_offset;
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In general style(9) wants a blank line before comments (here and many other places throughout)

jhb: In general style(9) wants a blank line before comments (here and many other places throughout)
};
enum crypto_buffer_type cc_type; enum crypto_buffer_type cc_type;
}; };
/* Structure describing complete operation */ /* Structure describing complete operation */
struct cryptop { struct cryptop {
TAILQ_ENTRY(cryptop) crp_next; TAILQ_ENTRY(cryptop) crp_next;
struct task crp_task; struct task crp_task;
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static __inline void static __inline void
_crypto_use_mbuf(struct crypto_buffer *cb, struct mbuf *m) _crypto_use_mbuf(struct crypto_buffer *cb, struct mbuf *m)
{ {
cb->cb_mbuf = m; cb->cb_mbuf = m;
cb->cb_type = CRYPTO_BUF_MBUF; cb->cb_type = CRYPTO_BUF_MBUF;
} }
#if PMAP_HAS_DMAP
static __inline void 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;
}
#endif /* PMAP_HAS_DMAP */
static __inline void
_crypto_use_uio(struct crypto_buffer *cb, struct uio *uio) _crypto_use_uio(struct crypto_buffer *cb, struct uio *uio)
{ {
cb->cb_uio = uio; cb->cb_uio = uio;
cb->cb_type = CRYPTO_BUF_UIO; cb->cb_type = CRYPTO_BUF_UIO;
} }
static __inline void static __inline void
crypto_use_buf(struct cryptop *crp, void *buf, int len) crypto_use_buf(struct cryptop *crp, void *buf, int len)
{ {
_crypto_use_buf(&crp->crp_buf, buf, len); _crypto_use_buf(&crp->crp_buf, buf, len);
} }
static __inline void static __inline void
crypto_use_mbuf(struct cryptop *crp, struct mbuf *m) crypto_use_mbuf(struct cryptop *crp, struct mbuf *m)
{ {
_crypto_use_mbuf(&crp->crp_buf, m); _crypto_use_mbuf(&crp->crp_buf, m);
} }
#if PMAP_HAS_DMAP
static __inline void 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);
}
#endif /* PMAP_HAS_DMAP */
static __inline void
crypto_use_uio(struct cryptop *crp, struct uio *uio) crypto_use_uio(struct cryptop *crp, struct uio *uio)
{ {
_crypto_use_uio(&crp->crp_buf, uio); _crypto_use_uio(&crp->crp_buf, uio);
} }
static __inline void static __inline void
crypto_use_output_buf(struct cryptop *crp, void *buf, int len) crypto_use_output_buf(struct cryptop *crp, void *buf, int len)
{ {
_crypto_use_buf(&crp->crp_obuf, buf, len); _crypto_use_buf(&crp->crp_obuf, buf, len);
} }
static __inline void static __inline void
crypto_use_output_mbuf(struct cryptop *crp, struct mbuf *m) crypto_use_output_mbuf(struct cryptop *crp, struct mbuf *m)
{ {
_crypto_use_mbuf(&crp->crp_obuf, m); _crypto_use_mbuf(&crp->crp_obuf, m);
} }
#if PMAP_HAS_DMAP
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);
}
#endif /* PMAP_HAS_DMAP */
static __inline void static __inline void
crypto_use_output_uio(struct cryptop *crp, struct uio *uio) crypto_use_output_uio(struct cryptop *crp, struct uio *uio)
{ {
_crypto_use_uio(&crp->crp_obuf, uio); _crypto_use_uio(&crp->crp_obuf, uio);
} }
#define CRYPTOP_ASYNC(crp) \ #define CRYPTOP_ASYNC(crp) \
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