sys/dev/vxge/vxgehal/vxgehal-ifmsg.c

   1 /*-
   2  * Copyright(c) 2002-2011 Exar Corp.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification are permitted provided the following conditions are met:
   7  *
   8  *    1. Redistributions of source code must retain the above copyright notice,
   9  *       this list of conditions and the following disclaimer.
  10  *
  11  *    2. Redistributions in binary form must reproduce the above copyright
  12  *       notice, this list of conditions and the following disclaimer in the
  13  *       documentation and/or other materials provided with the distribution.
  14  *
  15  *    3. Neither the name of the Exar Corporation nor the names of its
  16  *       contributors may be used to endorse or promote products derived from
  17  *       this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 /*$FreeBSD$*/
  32 #include <dev/vxge/vxgehal/vxgehal.h>
  33
  34 /*
  35  * __hal_ifmsg_wmsg_process - Process the srpcim to vpath wmsg
  36  * @vpath: vpath
  37  * @wmsg: wsmsg
  38  *
  39  * Processes the wmsg and invokes appropriate action
  40  */
  41 void
  42 __hal_ifmsg_wmsg_process(
  43     __hal_virtualpath_t *vpath,
  44     u64 wmsg)
  45 {
  46         u32 msg_type;
  47         __hal_device_t *hldev = vpath->hldev;
  48
  49         vxge_assert(vpath);
  50
  51         vxge_hal_trace_log_vpath("==> %s:%s:%d",
  52             __FILE__, __func__, __LINE__);
  53
  54         vxge_hal_trace_log_vpath("vpath = 0x"VXGE_OS_STXFMT
  55             ",wmsg = 0x"VXGE_OS_LLXFMT"", (ptr_t) vpath, wmsg);
  56
  57         if ((vpath->vp_id != vpath->hldev->first_vp_id) ||
  58             (vpath->hldev->vpath_assignments &
  59             mBIT((u32) VXGE_HAL_RTS_ACCESS_STEER_DATA0_GET_MSG_SRC(wmsg)))) {
  60                 vxge_hal_trace_log_vpath("<== %s:%s:%d Result = 0",
  61                     __FILE__, __func__, __LINE__);
  62                 return;
  63         }
  64
  65         msg_type = (u32) VXGE_HAL_RTS_ACCESS_STEER_DATA0_GET_MSG_TYPE(wmsg);
  66
  67         switch (msg_type) {
  68         default:
  69         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_UNKNOWN:
  70                 break;
  71         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_DEVICE_RESET_BEGIN:
  72                 __hal_device_handle_error(hldev,
  73                     vpath->vp_id,
  74                     VXGE_HAL_EVENT_DEVICE_RESET_START);
  75                 break;
  76         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_DEVICE_RESET_END:
  77                 vpath->hldev->manager_up = TRUE;
  78                 __hal_device_handle_error(hldev,
  79                     vpath->vp_id,
  80                     VXGE_HAL_EVENT_DEVICE_RESET_COMPLETE);
  81                 break;
  82         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_VPATH_RESET_BEGIN:
  83                 __hal_device_handle_error(hldev,
  84                     vpath->vp_id,
  85                     VXGE_HAL_EVENT_VPATH_RESET_START);
  86                 break;
  87         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_VPATH_RESET_END:
  88                 vpath->hldev->manager_up = TRUE;
  89                 __hal_device_handle_error(hldev,
  90                     vpath->vp_id,
  91                     VXGE_HAL_EVENT_VPATH_RESET_COMPLETE);
  92                 break;
  93         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_PRIV_DRIVER_UP:
  94                 vpath->hldev->manager_up = TRUE;
  95                 break;
  96         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_PRIV_DRIVER_DOWN:
  97                 vpath->hldev->manager_up = FALSE;
  98                 break;
  99         case VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE_ACK:
 100                 break;
 101         }
 102
 103         vxge_hal_trace_log_vpath("<== %s:%s:%d Result = 0",
 104             __FILE__, __func__, __LINE__);
 105 }
 106
 107 /*
 108  * __hal_ifmsg_device_reset_end_poll - Polls for the
 109  *                           srpcim to vpath reset end
 110  * @hldev: HAL Device
 111  * @vp_id: Vpath id
 112  *
 113  * Polls for the srpcim to vpath reset end
 114  */
 115 vxge_hal_status_e
 116 __hal_ifmsg_device_reset_end_poll(
 117     __hal_device_t *hldev,
 118     u32 vp_id)
 119 {
 120         vxge_hal_status_e status;
 121
 122         vxge_assert(hldev);
 123
 124         vxge_hal_trace_log_mrpcim("==> %s:%s:%d",
 125             __FILE__, __func__, __LINE__);
 126
 127         vxge_hal_trace_log_mrpcim("hldev = 0x"VXGE_OS_STXFMT", vp_id = %d",
 128             (ptr_t) hldev, vp_id);
 129
 130         status = vxge_hal_device_register_poll(
 131             hldev->header.pdev,
 132             hldev->header.regh0,
 133             &hldev->vpmgmt_reg[vp_id]->srpcim_to_vpath_wmsg, 0,
 134             ~((u64) VXGE_HAL_IFMSG_DEVICE_RESET_END_MSG),
 135             WAIT_FACTOR * hldev->header.config.device_poll_millis);
 136
 137         vxge_hal_trace_log_mrpcim("<== %s:%s:%d Result = 0",
 138             __FILE__, __func__, __LINE__);
 139
 140         return (status);
 141
 142 }
 143
 144 /*
 145  * __hal_ifmsg_wmsg_post - Posts the srpcim to vpath req
 146  * @hldev: Hal device
 147  * @src_vp_id: Source vpath id
 148  * @dest_vp_id: Vpath id, VXGE_HAL_RTS_ACCESS_STEER_MSG_DEST_MRPCIM, or
 149  *          VXGE_HAL_RTS_ACCESS_STEER_MSG_DEST_BROADCAST
 150  * @msg_type: wsmsg type
 151  * @msg_data: wsmsg data
 152  *
 153  * Posts the req
 154  */
 155 vxge_hal_status_e
 156 __hal_ifmsg_wmsg_post(
 157     __hal_device_t *hldev,
 158     u32 src_vp_id,
 159     u32 dest_vp_id,
 160     u32 msg_type,
 161     u32 msg_data)
 162 {
 163         u64 val64;
 164         vxge_hal_vpath_reg_t *vp_reg;
 165         vxge_hal_status_e status;
 166
 167         vxge_assert(hldev);
 168
 169         vp_reg = hldev->vpath_reg[src_vp_id];
 170
 171         vxge_hal_trace_log_vpath("==> %s:%s:%d",
 172             __FILE__, __func__, __LINE__);
 173
 174         vxge_hal_trace_log_srpcim(
 175             "hldev = 0x"VXGE_OS_STXFMT", src_vp_id = %d, dest_vp_id = %d, "
 176             "msg_type = %d, msg_data = %d", (ptr_t) hldev, src_vp_id,
 177             dest_vp_id, msg_type, msg_data);
 178
 179         vxge_os_pio_mem_write64(hldev->header.pdev,
 180             hldev->header.regh0,
 181             0,
 182             &vp_reg->rts_access_steer_ctrl);
 183
 184         vxge_os_wmb();
 185
 186
 187         vxge_os_pio_mem_write64(hldev->header.pdev,
 188             hldev->header.regh0,
 189             VXGE_HAL_RTS_ACCESS_STEER_DATA0_IGNORE_IN_SVC_CHECK |
 190             VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_TYPE(msg_type) |
 191             VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_DEST(dest_vp_id) |
 192             VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_SRC(src_vp_id) |
 193             VXGE_HAL_RTS_ACCESS_STEER_DATA0_SEQ_NUM(++hldev->ifmsg_seqno) |
 194             VXGE_HAL_RTS_ACCESS_STEER_DATA0_MSG_DATA(msg_data),
 195             &vp_reg->rts_access_steer_data0);
 196
 197         vxge_os_pio_mem_write64(hldev->header.pdev,
 198             hldev->header.regh0,
 199             0,
 200             &vp_reg->rts_access_steer_data1);
 201
 202         vxge_os_wmb();
 203
 204         val64 = VXGE_HAL_RTS_ACCESS_STEER_CTRL_ACTION(
 205             VXGE_HAL_RTS_ACCESS_STEER_CTRL_ACTION_SEND_MSG) |
 206             VXGE_HAL_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
 207             VXGE_HAL_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
 208             VXGE_HAL_RTS_ACCESS_STEER_CTRL_STROBE |
 209             VXGE_HAL_RTS_ACCESS_STEER_CTRL_OFFSET(0);
 210
 211         vxge_hal_pio_mem_write32_lower(hldev->header.pdev,
 212             hldev->header.regh0,
 213             (u32) bVAL32(val64, 32),
 214             &vp_reg->rts_access_steer_ctrl);
 215
 216         vxge_os_wmb();
 217
 218         vxge_hal_pio_mem_write32_upper(hldev->header.pdev,
 219             hldev->header.regh0,
 220             (u32) bVAL32(val64, 0),
 221             &vp_reg->rts_access_steer_ctrl);
 222
 223         vxge_os_wmb();
 224
 225         status = vxge_hal_device_register_poll(hldev->header.pdev,
 226             hldev->header.regh0,
 227             &vp_reg->rts_access_steer_ctrl, 0,
 228             VXGE_HAL_RTS_ACCESS_STEER_CTRL_STROBE,
 229             WAIT_FACTOR * hldev->header.config.device_poll_millis);
 230
 231         if (status != VXGE_HAL_OK) {
 232
 233                 vxge_hal_trace_log_driver("<== %s:%s:%d  Result: %d",
 234                     __FILE__, __func__, __LINE__, status);
 235                 return (status);
 236         }
 237
 238         val64 = vxge_os_pio_mem_read64(hldev->header.pdev,
 239             hldev->header.regh0,
 240             &vp_reg->rts_access_steer_ctrl);
 241
 242         if (val64 & VXGE_HAL_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
 243
 244                 vxge_os_pio_mem_read64(hldev->header.pdev,
 245                     hldev->header.regh0,
 246                     &vp_reg->rts_access_steer_data0);
 247
 248                 status = VXGE_HAL_OK;
 249
 250         } else {
 251                 status = VXGE_HAL_FAIL;
 252         }
 253
 254         vxge_hal_trace_log_srpcim("<== %s:%s:%d Result = %d",
 255             __FILE__, __func__, __LINE__, status);
 256
 257         return (status);
 258 }