sys/dev/pci/n8/nsp.h

   1 /*-
   2  * Copyright (c) 2008 The NetBSD Foundation, Inc.
   3  * All rights reserved.
   4  *
   5  * This code is derived from software contributed to The NetBSD Foundation
   6  * by Coyote Point Systems, Inc.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef _NSP_H
  31
  32 #include <dev/pci/pcireg.h>
  33 #include <dev/pci/pcivar.h>
  34 #include <dev/pci/pcidevs.h>
  35 #include <dev/pci/pcidevs.h>
  36 #include <opencrypto/cryptodev.h>
  37 #include "n8_driver_main.h"
  38 #include "n8_pub_symmetric.h"
  39 #include "n8_pub_packet.h"
  40 #include "config.h"
  41
  42 #ifndef PCI_VENDOR_NETOCTAVE
  43 #define PCI_VENDOR_NETOCTAVE 0x170b
  44 #endif
  45 #ifndef PCI_PRODUCT_NETOCTAVE_NSP2000
  46 #define PCI_PRODUCT_NETOCTAVE_NSP2000 0x100
  47 #endif
  48
  49 #define NSP_BAR0                (PCI_MAPREG_START + 0)  /* PUC register map */
  50 #define NSP_BAR1                (PCI_MAPREG_START + 4)  /* DMA register map */
  51 #define NSP_TRDY_TIMEOUT        0x40    /* TRDY timeout */
  52 #define NSP_RETRY_TIMEOUT       0x41    /* DMA retry timeout */
  53
  54 /* DEBUG MESSAGE BIT SELECTORS */
  55 #define N8_DBG_GENERAL            1
  56 #define N8_DBG_IRQ                2
  57 #define N8_DBG_BIGALLOC           4
  58 #define N8_DBG_DISPLAY_MEMORY     8
  59 #define N8_DBG_DISPLAY_CONTEXT    16
  60 #define N8_DBG_DISPLAY_REGISTERS  32
  61 #define N8_DBG_DISPLAY_QMGR       64
  62
  63 #define DEBUG_GENERAL     (N8_Debug_g & N8_DBG_GENERAL)
  64 #define DEBUG_IRQ         (N8_Debug_g & N8_DBG_IRQ)
  65 #define DEBUG_BIGALLOC    (N8_Debug_g & N8_DBG_BIGALLOC)
  66 #define APRINT            if (DEBUG_GENERAL) printf
  67
  68 /* The following two values are inSilicon PCI test registers that need  */
  69 /* to be set to the PCI standards rather than their defaults.           */
  70 #define INSILICON_PCI_TRDY_TIMEOUT      0x40
  71 #define INSILICON_PCI_RETRY_TIMEOUT     0x41
  72
  73 #define NSP_MAX_SESSION         1024
  74 #define NSP_MAX_KEY_LEN         (256*8)
  75 #define NSP_MAX_KEY_BYTES       ((NSP_MAX_KEY_LEN+7)/8)
  76
  77 #define NSP_STATE_INIT          0
  78
  79 typedef struct nsp_session {
  80         uint32_t magic;
  81         uint32_t sid;
  82         struct nsp_softc *sc;
  83         N8_ContextHandle_t contextHandle;       /* Context memory handle */
  84         int contextAllocated;                   /* Boolean flag for cleanup of context */
  85
  86         N8_EncryptObject_t crypt;               /* Encrypt/Decrypt control data */
  87         N8_EncryptCipher_t cipherInfo;
  88         uint8_t iv[16];
  89
  90         uint8_t mackey[64];
  91         uint8_t mackeylen;
  92
  93         N8_HashObject_t hash;
  94
  95         void *crp_opaque;                       /* user data to return with result */
  96         struct cryptop *crp;                    /* complete crypto op */
  97         struct cryptodesc *crd;                 /* active crypto op */
  98         int crd_id;                             /* active crd index */
  99
 100         int active;                             /* Boolean: operation active on session */
 101         int state;
 102
 103         union {
 104             struct mbuf *mb;
 105             struct uio  *io;
 106             N8_Buffer_t *ptr;
 107         } src;
 108         union {
 109             struct mbuf *mb;
 110             struct uio  *io;
 111             N8_Buffer_t *ptr;
 112         } dst;
 113         N8_Buffer_t *mac;                       /* IOV mode means direct copy for hashes.... !? */
 114
 115         struct nsp_session *next;               /* next free */
 116 } nsp_session_t;
 117
 118 struct nsp_softc {
 119         struct  device          device;
 120         pci_chipset_tag_t       pa_pc;
 121         pcitag_t                pa_tag;
 122         void                    *int_handle;
 123         kmutex_t                sc_intrlock;
 124
 125         bus_space_handle_t      mem_handle;
 126         bus_space_tag_t         mem_tag;
 127         bus_size_t              mem_size;
 128         bus_dma_tag_t           dma_tag;
 129         bus_dmamap_t            dmamap;
 130         int                     mem_mapped;
 131         uint32_t                flags;
 132         int                     unit;
 133         int                     sc_suspended;
 134         int                     sc_needwakeup;  /* notify crypto layer */
 135         u_int32_t               sc_statmask;    /* interrupt status mask */
 136         int32_t                 cid;            /* crypto tag */
 137         NspInstance_t           *nip;
 138         int                     usage_count;
 139         nsp_session_t           session[NSP_MAX_SESSION];
 140         nsp_session_t           *freesession;   /* first free session */
 141 };
 142
 143 #endif /* _NSP_H */