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Annotation of sys/dev/pci/isesvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: isesvar.h,v 1.6 2003/06/07 11:31:24 ho Exp $  */
                      2:
                      3: /*
                      4:  * Copyright (c) 2000 Håkan Olsson (ho@crt.se)
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  *
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     26:  */
                     27:
                     28: struct ises_softc {
                     29:        struct device           sc_dv;          /* generic device */
                     30:        void                    *sc_ih;         /* interrupt handler cookie */
                     31:        bus_space_handle_t      sc_memh;        /* memory handle */
                     32:        bus_space_tag_t         sc_memt;        /* memory tag */
                     33:        bus_dma_tag_t           sc_dmat;        /* dma tag */
                     34:        bus_dmamap_t            sc_dmamap;      /* dma xfer map */
                     35:        caddr_t                 sc_dma_data;    /* data area */
                     36:
                     37:        int32_t                 sc_cid;         /* crypto tag */
                     38:        u_int32_t               sc_intrmask;    /* interrupt mask */
                     39:        u_int32_t               sc_dma_mask;    /* DMA running mask */
                     40:        SIMPLEQ_HEAD(,ises_q)   sc_queue;       /* packet queue */
                     41:        int                     sc_nqueue;      /* count enqueued */
                     42:        SIMPLEQ_HEAD(,ises_q)   sc_qchip;       /* on chip */
                     43:        struct timeout          sc_timeout;     /* init + hrng timeout */
                     44:        int                     sc_nsessions;   /* nr of sessions */
                     45:        struct ises_session     *sc_sessions;   /* sessions */
                     46:        int                     sc_cursession;  /* current session */
                     47:        int                     sc_switching;   /* we're switching sessions */
                     48:        int                     sc_initstate;   /* card initialization state */
                     49:
                     50:        SIMPLEQ_HEAD(,ises_cmd) sc_cmdq;        /* Commands in A-queue */
                     51:        u_int32_t               sc_lnau1_r[64]; /* LNAU 1 result (2048 bits) */
                     52:        int                     sc_lnau1_rlen;  /* LNAU 1 result len (bytes) */
                     53:        u_int32_t               sc_lnau2_r[64]; /* LNAU 2 result (2048 bits) */
                     54:        int                     sc_lnau2_rlen;  /* LNAU 2 result len (bytes) */
                     55: };
                     56:
                     57: union ises_q_u {
                     58:        struct mbuf             *mbuf;
                     59:        struct uio              *uio;
                     60:        /* XXX more ? */
                     61: };
                     62:
                     63: #define ISES_MAX_SCATTER       64
                     64:
                     65: struct ises_q {
                     66:        SIMPLEQ_ENTRY(ises_q)   q_next;
                     67:        struct cryptop          *q_crp;
                     68:        struct ises_softc       *q_sc;
                     69:
                     70:        union ises_q_u          q_src, q_dst;   /* src/dst data bufs */
                     71:
                     72:        bus_dma_segment_t       q_src_ds, q_dst_ds;
                     73:
                     74:        struct ises_session     q_session;
                     75:        u_int16_t               q_offset;       /* crypto offset */
                     76:        int                     q_sesn;
                     77:
                     78: #if 0
                     79:        long                    q_src_packp[ISES_MAX_SCATTER];
                     80:        int                     q_src_packl[ISES_MAX_SCATTER];
                     81:        int                     q_src_npa, q_src_l;
                     82: #endif
                     83:
                     84:        long                    q_dst_packp;
                     85:        int                     q_dst_packl;
                     86:        int                     q_dst_npa, q_dst_l;
                     87:        u_int32_t               q_macbuf[5];
                     88: };
                     89:
                     90: struct ises_cmd {
                     91:        SIMPLEQ_ENTRY(ises_cmd) cmd_next;
                     92:        u_int32_t               cmd_code;       /* Command code */
                     93:        u_int32_t               cmd_rlen;       /* Response length */
                     94:        u_int32_t               cmd_session;    /* Current ises_session */
                     95:        u_int32_t               (*cmd_cb)(struct ises_softc *,
                     96:                                          struct ises_cmd *); /* Callback */
                     97: };
                     98:
                     99: /* Maximum queue length */
                    100: #ifndef ISES_MAX_NQUEUE
                    101: #define ISES_MAX_NQUEUE                24
                    102: #endif