/* $NetBSD: ubsecvar.h,v 1.10 2015/04/13 15:43:43 riastradh Exp $ */ /* $OpenBSD: ubsecvar.h,v 1.38 2009/03/27 13:31:30 reyk Exp $ */ /* * Copyright (c) 2000 Theo de Raadt * Copyright (c) 2001 Patrik Lindergren (patrik@ipunplugged.com) * * 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 ``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 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. * * Effort sponsored in part by the Defense Advanced Research Projects * Agency (DARPA) and Air Force Research Laboratory, Air Force * Materiel Command, USAF, under agreement number F30602-01-2-0537. * */ #ifndef _DEV_PCI_UBSECVAR_H #define _DEV_PCI_UBSECVAR_H #include #include /* Maximum queue length */ #ifndef UBS_MAX_NQUEUE #define UBS_MAX_NQUEUE 60 #endif #define UBS_MAX_SCATTER 64 /* Maximum scatter/gather depth */ #ifndef UBS_MAX_AGGR #define UBS_MAX_AGGR 17 /* Maximum aggregation count */ #endif #ifndef UBS_MIN_AGGR #define UBS_MIN_AGGR 5 /* < 5827, Maximum aggregation count */ #endif #define UBSEC_CARD(sid) (((sid) & 0xf0000000) >> 28) #define UBSEC_SESSION(sid) ( (sid) & 0x0fffffff) #define UBSEC_SID(crd, sesn) (((crd) << 28) | ((sesn) & 0x0fffffff)) #define UBS_DEF_RTY 0xff /* PCI Retry Timeout */ #define UBS_DEF_TOUT 0xff /* PCI TRDY Timeout */ #define UBS_DEF_CACHELINE 0x01 /* Cache Line setting */ struct ubsec_dma_alloc { u_int32_t dma_paddr; void * dma_vaddr; bus_dmamap_t dma_map; bus_dma_segment_t dma_seg; bus_size_t dma_size; int dma_nseg; }; struct ubsec_q2 { SIMPLEQ_ENTRY(ubsec_q2) q_next; struct ubsec_dma_alloc q_mcr; struct ubsec_dma_alloc q_ctx; u_int q_type; }; struct ubsec_q2_rng { struct ubsec_q2 rng_q; struct ubsec_dma_alloc rng_buf; int rng_used; }; /* C = (M ^ E) mod N */ #define UBS_MODEXP_PAR_M 0 #define UBS_MODEXP_PAR_E 1 #define UBS_MODEXP_PAR_N 2 struct ubsec_q2_modexp { struct ubsec_q2 me_q; struct cryptkop * me_krp; struct ubsec_dma_alloc me_M; struct ubsec_dma_alloc me_E; struct ubsec_dma_alloc me_C; struct ubsec_dma_alloc me_epb; int me_modbits; int me_shiftbits; int me_normbits; }; #define UBS_RSAPRIV_PAR_P 0 #define UBS_RSAPRIV_PAR_Q 1 #define UBS_RSAPRIV_PAR_DP 2 #define UBS_RSAPRIV_PAR_DQ 3 #define UBS_RSAPRIV_PAR_PINV 4 #define UBS_RSAPRIV_PAR_MSGIN 5 #define UBS_RSAPRIV_PAR_MSGOUT 6 struct ubsec_q2_rsapriv { struct ubsec_q2 rpr_q; struct cryptkop * rpr_krp; struct ubsec_dma_alloc rpr_msgin; struct ubsec_dma_alloc rpr_msgout; }; #define UBSEC_RNG_BUFSIZ 16 /* measured in 32bit words */ struct ubsec_dmachunk { struct ubsec_mcr d_mcr; struct ubsec_mcr_add d_mcradd[UBS_MAX_AGGR-1]; struct ubsec_pktbuf d_sbuf[UBS_MAX_SCATTER-1]; struct ubsec_pktbuf d_dbuf[UBS_MAX_SCATTER-1]; u_int32_t d_macbuf[5]; union { struct ubsec_pktctx_aes256 ctx_aes256; struct ubsec_pktctx_aes192 ctx_aes192; struct ubsec_pktctx_aes128 ctx_aes128; struct ubsec_pktctx_3des ctx_3des; struct ubsec_pktctx ctx; } d_ctx; }; struct ubsec_dma { SIMPLEQ_ENTRY(ubsec_dma) d_next; struct ubsec_dmachunk *d_dma; struct ubsec_dma_alloc d_alloc; }; #define UBS_FLAGS_KEY 0x01 /* has key accelerator */ #define UBS_FLAGS_LONGCTX 0x02 /* uses long ipsec ctx */ #define UBS_FLAGS_BIGKEY 0x04 /* 2048bit keys */ #define UBS_FLAGS_HWNORM 0x08 /* hardware normalization */ #define UBS_FLAGS_RNG 0x10 /* hardware rng */ #define UBS_FLAGS_AES 0x20 /* supports AES */ #define UBS_FLAGS_MULTIMCR 0x40 /* 5827+ with 4 MCRs */ #define UBS_FLAGS_RNG4 0x80 /* 5827+ RNG on MCR4 */ struct ubsec_q { SIMPLEQ_ENTRY(ubsec_q) q_next; int q_nstacked_mcrs; struct ubsec_q *q_stacked_mcr[UBS_MAX_AGGR-1]; struct cryptop *q_crp; struct ubsec_dma *q_dma; struct mbuf *q_src_m, *q_dst_m; struct uio *q_src_io, *q_dst_io; int q_sesn; int q_flags; bus_dmamap_t q_dst_map; bus_dmamap_t q_src_map; /* cached src_map */ bus_dmamap_t q_cached_dst_map; /* cached dst_map */ }; struct ubsec_softc { device_t sc_dev; /* generic device */ void *sc_ih; /* interrupt handler cookie */ kmutex_t sc_mtx; pci_chipset_tag_t sc_pct; /* pci chipset tag */ bus_space_handle_t sc_sh; /* memory handle */ bus_space_tag_t sc_st; /* memory tag */ bus_dma_tag_t sc_dmat; /* dma tag */ int sc_flags; /* device specific flags */ int sc_suspended; int sc_needwakeup; /* notify crypto layer */ u_int32_t sc_statmask; /* interrupt status mask */ int32_t sc_cid; /* crypto tag */ int sc_maxaggr; /* max pkt aggregation */ SIMPLEQ_HEAD(,ubsec_q) sc_queue; /* packet queue, mcr1 */ int sc_nqueue; /* count enqueued, mcr1 */ SIMPLEQ_HEAD(,ubsec_q) sc_qchip; /* on chip, mcr1 */ int sc_nqchip; /* count on chip, mcr1 */ SIMPLEQ_HEAD(,ubsec_q) sc_freequeue; /* list of free queue elements */ SIMPLEQ_HEAD(,ubsec_q2) sc_queue2; /* packet queue, mcr2 */ int sc_nqueue2; /* count enqueued, mcr2 */ SIMPLEQ_HEAD(,ubsec_q2) sc_qchip2; /* on chip, mcr2 */ SIMPLEQ_HEAD(,ubsec_q2) sc_queue4; /* packet queue, mcr4 */ int sc_nqueue4; /* count enqueued, mcr4 */ SIMPLEQ_HEAD(,ubsec_q2) sc_qchip4; /* on chip, mcr4 */ int sc_nsessions; /* # of sessions */ struct ubsec_session *sc_sessions; /* sessions */ struct callout sc_rngto; /* rng timeout */ int sc_rnghz; /* rng poll time */ struct ubsec_q2_rng sc_rng; krndsource_t sc_rnd_source; int sc_rng_need; /* how many bytes wanted */ struct ubsec_dma sc_dmaa[UBS_MAX_NQUEUE]; struct ubsec_q *sc_queuea[UBS_MAX_NQUEUE]; SIMPLEQ_HEAD(,ubsec_q2) sc_q2free; /* free list */ bus_size_t sc_memsize; /* size mapped by sc_sh */ }; #define UBSEC_QFLAGS_COPYOUTIV 0x1 struct ubsec_session { u_int32_t ses_used; u_int32_t ses_key[8]; /* 3DES/AES key */ u_int32_t ses_hminner[5]; /* hmac inner state */ u_int32_t ses_hmouter[5]; /* hmac outer state */ u_int32_t ses_iv[4]; /* [3]DES iv or AES iv/icv */ }; struct ubsec_stats { u_int64_t hst_ibytes; u_int64_t hst_obytes; u_int32_t hst_ipackets; u_int32_t hst_opackets; u_int32_t hst_invalid; /* invalid argument */ u_int32_t hst_badsession; /* invalid session id */ u_int32_t hst_badflags; /* flags indicate !(mbuf | uio) */ u_int32_t hst_nodesc; /* op submitted w/o descriptors */ u_int32_t hst_badalg; /* unsupported algorithm */ u_int32_t hst_nomem; u_int32_t hst_queuefull; u_int32_t hst_dmaerr; u_int32_t hst_mcrerr; u_int32_t hst_nodmafree; u_int32_t hst_lenmismatch; /* enc/auth lengths different */ u_int32_t hst_skipmismatch; /* enc part begins before auth part */ u_int32_t hst_iovmisaligned; /* iov op not aligned */ u_int32_t hst_noirq; /* IRQ for no reason */ u_int32_t hst_unaligned; /* unaligned src caused copy */ u_int32_t hst_nomap; /* bus_dmamap_create failed */ u_int32_t hst_noload; /* bus_dmamap_load_* failed */ u_int32_t hst_nombuf; /* MGET* failed */ u_int32_t hst_nomcl; /* MCLGET* failed */ u_int32_t hst_totbatch; /* ops submitted w/o interrupt */ u_int32_t hst_maxbatch; /* max ops submitted together */ u_int32_t hst_maxqueue; /* max ops queued for submission */ u_int32_t hst_maxqchip; /* max mcr1 ops out for processing */ u_int32_t hst_mcr1full; /* MCR1 too busy to take ops */ u_int32_t hst_rng; /* RNG requests */ u_int32_t hst_modexp; /* MOD EXP requests */ u_int32_t hst_modexpcrt; /* MOD EXP CRT requests */ }; #endif /* _DEV_PCI_UBSECVAR_H */