usr/src/cmd/mdb/sun4u/modules/serengeti/sgsbbc/sgsbbc.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/mutex.h>
  30 #include <sys/mdb_modapi.h>
  31 #include <sys/sgsbbc_priv.h>
  32
  33 /*
  34  * Given the address of a soft state pointer for the SGSBBC driver,
  35  * this function displays the values of selected fields.
  36  *
  37  * You have to specify the address of the soft state structure you
  38  * want to decode. This dcmd does not automatically work that out
  39  * for you. The contents of <sbbcp> points to the variable pointing
  40  * to the soft state pointers.
  41  *
  42  * (ie. typing "**sbbcp/10J" at the mdb prompt will list the addresses
  43  * of the first 10 soft state structures (if they exist).
  44  *
  45  * It can also be obtained using mdb's softstate dcmd.
  46  * "*sbbcp::softstate 0 | ::sgsbbc_softstate"
  47  */
  48 /* ARGSUSED */
  49 int
  50 display_sbbc_softstate_t(uintptr_t addr, uint_t flags, int argc,
  51         const mdb_arg_t *argv)
  52 {
  53         sbbc_softstate_t        softp;
  54
  55         uint_t  offset = 0;     /* offset into soft state structure */
  56         int     rv;             /* return value from mdb function */
  57
  58         /*
  59          * You have to specify the address of the soft state structure you
  60          * want to decode. This dcmd does not automatically work that out.
  61          */
  62         if ((flags & DCMD_ADDRSPEC) == 0)
  63                 return (DCMD_ERR);
  64
  65         rv = mdb_vread(&softp, sizeof (sbbc_softstate_t), addr);
  66         if (rv != sizeof (sbbc_softstate_t)) {
  67                 mdb_warn("sgsbbc soft_state: Failed read on %ll#r", addr);
  68                 return (DCMD_ERR);
  69         }
  70
  71         mdb_printf("---------- sbbc_softstate_t @ %#lr ----------\n", addr);
  72
  73         offset = (int)(uintptr_t)&softp.dip - (int)(uintptr_t)&softp;
  74         mdb_printf("%p: dip: %31ll#r\n", addr + offset, softp.dip);
  75
  76         offset = (int)(uintptr_t)&softp.sram - (int)(uintptr_t)&softp;
  77         mdb_printf("%p: sram: %30ll#r\n", addr + offset, softp.sram);
  78
  79         offset = (int)(uintptr_t)&softp.sbbc_regs - (int)(uintptr_t)&softp;
  80         mdb_printf("%p: sbbc_regs: %25ll#r\n", addr + offset,  softp.sbbc_regs);
  81
  82         offset = (int)(uintptr_t)&softp.port_int_regs - (int)(uintptr_t)&softp;
  83         mdb_printf("%p: port_int_regs: %21ll#r\n", addr + offset,
  84                 softp.port_int_regs);
  85
  86         offset = (int)(uintptr_t)&softp.epld_regs - (int)(uintptr_t)&softp;
  87         mdb_printf("%p: epld_regs: %25p\n", addr + offset, softp.epld_regs);
  88
  89         offset = (int)(uintptr_t)&softp.sram_toc - (int)(uintptr_t)&softp;
  90         mdb_printf("%p: sram_toc: %26d\n", addr + offset,  softp.sram_toc);
  91
  92         offset = (int)(uintptr_t)&softp.sbbc_reg_handle1 -
  93                 (int)(uintptr_t)&softp;
  94         mdb_printf("%p: sbbc_reg_handle1: %18ll#r\n", addr + offset,
  95                 softp.sbbc_reg_handle1);
  96
  97         offset = (int)(uintptr_t)&softp.sbbc_reg_handle2 -
  98                 (int)(uintptr_t)&softp;
  99         mdb_printf("%p: sbbc_reg_handle2: %18ll#r\n", addr + offset,
 100                 softp.sbbc_reg_handle2);
 101
 102         offset = (int)(uintptr_t)&softp.inumber - (int)(uintptr_t)&softp;
 103         mdb_printf("%p: inumber: %27ll#r\n", addr + offset,  softp.inumber);
 104
 105         offset = (int)(uintptr_t)&softp.intr_hdlrs - (int)(uintptr_t)&softp;
 106         mdb_printf("%p: intr_hdlrs: %24ll#r\n", addr + offset,
 107                 softp.intr_hdlrs);
 108
 109         offset = (int)(uintptr_t)&softp.suspended - (int)(uintptr_t)&softp;
 110         mdb_printf("%p: suspended: %25ll#r\n", addr + offset,  softp.suspended);
 111
 112         offset = (int)(uintptr_t)&softp.chosen - (int)(uintptr_t)&softp;
 113         mdb_printf("%p: chosen: %28ll#r\n", addr + offset,  softp.chosen);
 114
 115         return (DCMD_OK);
 116 }
 117
 118 /*
 119  * MDB module linkage information:
 120  */
 121
 122 static const mdb_dcmd_t dcmds[] = {{
 123                 "sgsbbc_softstate",
 124                 NULL,
 125                 "print SGSBBC mailbox driver softstate fields",
 126                 display_sbbc_softstate_t
 127         }, { NULL }
 128 };
 129
 130 static const mdb_modinfo_t modinfo = {
 131         MDB_API_VERSION, dcmds, NULL
 132 };
 133
 134 const mdb_modinfo_t *
 135 _mdb_init(void)
 136 {
 137         return (&modinfo);
 138 }