+++ /dev/null
-/*-
- * The linux port of this code done by David McCullough
- * Copyright (C) 2004-2010 David McCullough <david_mccullough@mcafee.com>
- * The license and original author are listed below.
- *
- * Copyright (c) 2003 Sam Leffler, Errno Consulting
- * Copyright (c) 2003 Global Technology Associates, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD: src/sys/dev/safe/safevar.h,v 1.2 2006/05/17 18:34:26 pjd Exp $
- */
-#ifndef _SAFE_SAFEVAR_H_
-#define _SAFE_SAFEVAR_H_
-
-/* Maximum queue length */
-#ifndef SAFE_MAX_NQUEUE
-#define SAFE_MAX_NQUEUE 60
-#endif
-
-#define SAFE_MAX_PART 64 /* Maximum scatter/gather depth */
-#define SAFE_DMA_BOUNDARY 0 /* No boundary for source DMA ops */
-#define SAFE_MAX_DSIZE 2048 /* MCLBYTES Fixed scatter particle size */
-#define SAFE_MAX_SSIZE 0x0ffff /* Maximum gather particle size */
-#define SAFE_MAX_DMA 0xfffff /* Maximum PE operand size (20 bits) */
-/* total src+dst particle descriptors */
-#define SAFE_TOTAL_DPART (SAFE_MAX_NQUEUE * SAFE_MAX_PART)
-#define SAFE_TOTAL_SPART (SAFE_MAX_NQUEUE * SAFE_MAX_PART)
-
-#define SAFE_RNG_MAXBUFSIZ 128 /* 32-bit words */
-
-#define SAFE_CARD(sid) (((sid) & 0xf0000000) >> 28)
-#define SAFE_SESSION(sid) ( (sid) & 0x0fffffff)
-#define SAFE_SID(crd, sesn) (((crd) << 28) | ((sesn) & 0x0fffffff))
-
-#define SAFE_DEF_RTY 0xff /* PCI Retry Timeout */
-#define SAFE_DEF_TOUT 0xff /* PCI TRDY Timeout */
-#define SAFE_DEF_CACHELINE 0x01 /* Cache Line setting */
-
-#ifdef __KERNEL__
-/*
- * State associated with the allocation of each chunk
- * of memory setup for DMA.
- */
-struct safe_dma_alloc {
- dma_addr_t dma_paddr;
- void *dma_vaddr;
-};
-
-/*
- * Cryptographic operand state. One of these exists for each
- * source and destination operand passed in from the crypto
- * subsystem. When possible source and destination operands
- * refer to the same memory. More often they are distinct.
- * We track the virtual address of each operand as well as
- * where each is mapped for DMA.
- */
-struct safe_operand {
- union {
- struct sk_buff *skb;
- struct uio *io;
- } u;
- void *map;
- int mapsize; /* total number of bytes in segs */
- struct {
- dma_addr_t ds_addr;
- int ds_len;
- int ds_tlen;
- } segs[SAFE_MAX_PART];
- int nsegs;
-};
-
-/*
- * Packet engine ring entry and cryptographic operation state.
- * The packet engine requires a ring of descriptors that contain
- * pointers to various cryptographic state. However the ring
- * configuration register allows you to specify an arbitrary size
- * for ring entries. We use this feature to collect most of the
- * state for each cryptographic request into one spot. Other than
- * ring entries only the ``particle descriptors'' (scatter/gather
- * lists) and the actual operand data are kept separate. The
- * particle descriptors must also be organized in rings. The
- * operand data can be located aribtrarily (modulo alignment constraints).
- *
- * Note that the descriptor ring is mapped onto the PCI bus so
- * the hardware can DMA data. This means the entire ring must be
- * contiguous.
- */
-struct safe_ringentry {
- struct safe_desc re_desc; /* command descriptor */
- struct safe_sarec re_sa; /* SA record */
- struct safe_sastate re_sastate; /* SA state record */
-
- struct cryptop *re_crp; /* crypto operation */
-
- struct safe_operand re_src; /* source operand */
- struct safe_operand re_dst; /* destination operand */
-
- int re_sesn; /* crypto session ID */
- int re_flags;
-#define SAFE_QFLAGS_COPYOUTIV 0x1 /* copy back on completion */
-#define SAFE_QFLAGS_COPYOUTICV 0x2 /* copy back on completion */
-};
-
-#define re_src_skb re_src.u.skb
-#define re_src_io re_src.u.io
-#define re_src_map re_src.map
-#define re_src_nsegs re_src.nsegs
-#define re_src_segs re_src.segs
-#define re_src_mapsize re_src.mapsize
-
-#define re_dst_skb re_dst.u.skb
-#define re_dst_io re_dst.u.io
-#define re_dst_map re_dst.map
-#define re_dst_nsegs re_dst.nsegs
-#define re_dst_segs re_dst.segs
-#define re_dst_mapsize re_dst.mapsize
-
-struct rndstate_test;
-
-struct safe_session {
- u_int32_t ses_used;
- u_int32_t ses_klen; /* key length in bits */
- u_int32_t ses_key[8]; /* DES/3DES/AES key */
- u_int32_t ses_mlen; /* hmac length in bytes */
- u_int32_t ses_hminner[5]; /* hmac inner state */
- u_int32_t ses_hmouter[5]; /* hmac outer state */
- u_int32_t ses_iv[4]; /* DES/3DES/AES iv */
-};
-
-struct safe_pkq {
- struct list_head pkq_list;
- struct cryptkop *pkq_krp;
-};
-
-struct safe_softc {
- softc_device_decl sc_dev;
- u32 sc_irq;
-
- struct pci_dev *sc_pcidev;
- ocf_iomem_t sc_base_addr;
-
- u_int sc_chiprev; /* major/minor chip revision */
- int sc_flags; /* device specific flags */
-#define SAFE_FLAGS_KEY 0x01 /* has key accelerator */
-#define SAFE_FLAGS_RNG 0x02 /* hardware rng */
- int sc_suspended;
- int sc_needwakeup; /* notify crypto layer */
- int32_t sc_cid; /* crypto tag */
-
- struct safe_dma_alloc sc_ringalloc; /* PE ring allocation state */
- struct safe_ringentry *sc_ring; /* PE ring */
- struct safe_ringentry *sc_ringtop; /* PE ring top */
- struct safe_ringentry *sc_front; /* next free entry */
- struct safe_ringentry *sc_back; /* next pending entry */
- int sc_nqchip; /* # passed to chip */
- spinlock_t sc_ringmtx; /* PE ring lock */
- struct safe_pdesc *sc_spring; /* src particle ring */
- struct safe_pdesc *sc_springtop; /* src particle ring top */
- struct safe_pdesc *sc_spfree; /* next free src particle */
- struct safe_dma_alloc sc_spalloc; /* src particle ring state */
- struct safe_pdesc *sc_dpring; /* dest particle ring */
- struct safe_pdesc *sc_dpringtop; /* dest particle ring top */
- struct safe_pdesc *sc_dpfree; /* next free dest particle */
- struct safe_dma_alloc sc_dpalloc; /* dst particle ring state */
- int sc_nsessions; /* # of sessions */
- struct safe_session *sc_sessions; /* sessions */
-
- struct timer_list sc_pkto; /* PK polling */
- spinlock_t sc_pkmtx; /* PK lock */
- struct list_head sc_pkq; /* queue of PK requests */
- struct safe_pkq *sc_pkq_cur; /* current processing request */
- u_int32_t sc_pk_reslen, sc_pk_resoff;
-
- int sc_max_dsize; /* maximum safe DMA size */
-};
-#endif /* __KERNEL__ */
-
-struct safe_stats {
- u_int64_t st_ibytes;
- u_int64_t st_obytes;
- u_int32_t st_ipackets;
- u_int32_t st_opackets;
- u_int32_t st_invalid; /* invalid argument */
- u_int32_t st_badsession; /* invalid session id */
- u_int32_t st_badflags; /* flags indicate !(mbuf | uio) */
- u_int32_t st_nodesc; /* op submitted w/o descriptors */
- u_int32_t st_badalg; /* unsupported algorithm */
- u_int32_t st_ringfull; /* PE descriptor ring full */
- u_int32_t st_peoperr; /* PE marked error */
- u_int32_t st_dmaerr; /* PE DMA error */
- u_int32_t st_bypasstoobig; /* bypass > 96 bytes */
- u_int32_t st_skipmismatch; /* enc part begins before auth part */
- u_int32_t st_lenmismatch; /* enc length different auth length */
- u_int32_t st_coffmisaligned; /* crypto offset not 32-bit aligned */
- u_int32_t st_cofftoobig; /* crypto offset > 255 words */
- u_int32_t st_iovmisaligned; /* iov op not aligned */
- u_int32_t st_iovnotuniform; /* iov op not suitable */
- u_int32_t st_unaligned; /* unaligned src caused copy */
- u_int32_t st_notuniform; /* non-uniform src caused copy */
- u_int32_t st_nomap; /* bus_dmamap_create failed */
- u_int32_t st_noload; /* bus_dmamap_load_* failed */
- u_int32_t st_nombuf; /* MGET* failed */
- u_int32_t st_nomcl; /* MCLGET* failed */
- u_int32_t st_maxqchip; /* max mcr1 ops out for processing */
- u_int32_t st_rng; /* RNG requests */
- u_int32_t st_rngalarm; /* RNG alarm requests */
- u_int32_t st_noicvcopy; /* ICV data copies suppressed */
-};
-#endif /* _SAFE_SAFEVAR_H_ */
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