/*- * Copyright(c) 2002-2011 Exar Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification are permitted provided 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. * * 3. Neither the name of the Exar Corporation nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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. */ /*$FreeBSD$*/ #include /* * __hal_non_offload_db_post - Post non offload doorbell * * @vpath_handle: vpath handle * @txdl_ptr: The starting location of the TxDL in host memory * @num_txds: The highest TxD in this TxDL (0 to 255 means 1 to 256) * @no_snoop: No snoop flags * * This function posts a non-offload doorbell to doorbell FIFO * */ void __hal_non_offload_db_post(vxge_hal_vpath_h vpath_handle, u64 txdl_ptr, u32 num_txds, u32 no_snoop) { u64 *db_ptr; __hal_device_t *hldev; __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; vxge_assert((vpath_handle != NULL) && (txdl_ptr != 0)); hldev = (__hal_device_t *) vp->vpath->hldev; vxge_hal_trace_log_fifo("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_fifo( "vpath_handle = 0x"VXGE_OS_STXFMT", txdl_ptr = 0x"VXGE_OS_STXFMT ", num_txds = %d, no_snoop = %d", (ptr_t) vpath_handle, (ptr_t) txdl_ptr, num_txds, no_snoop); db_ptr = &vp->vpath->nofl_db->control_0; vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, VXGE_HAL_NODBW_TYPE(VXGE_HAL_NODBW_TYPE_NODBW) | VXGE_HAL_NODBW_LAST_TXD_NUMBER(num_txds) | VXGE_HAL_NODBW_GET_NO_SNOOP(no_snoop), db_ptr++); vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, txdl_ptr, db_ptr); vxge_hal_trace_log_fifo("<== %s:%s:%d Result: 0", __FILE__, __func__, __LINE__); } /* * __hal_non_offload_db_reset - Reset non offload doorbell fifo * * @vpath_handle: vpath handle * * This function resets non-offload doorbell FIFO * */ vxge_hal_status_e __hal_non_offload_db_reset(vxge_hal_vpath_h vpath_handle) { vxge_hal_status_e status; __hal_device_t *hldev; __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; vxge_assert(vpath_handle != NULL); hldev = (__hal_device_t *) vp->vpath->hldev; vxge_hal_trace_log_fifo("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_fifo( "vpath_handle = 0x"VXGE_OS_STXFMT, (ptr_t) vpath_handle); vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, VXGE_HAL_CMN_RSTHDLR_CFG2_SW_RESET_FIFO0( 1 << (16 - vp->vpath->vp_id)), &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg2); vxge_os_wmb(); status = vxge_hal_device_register_poll(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg2, 0, (u64) VXGE_HAL_CMN_RSTHDLR_CFG2_SW_RESET_FIFO0( 1 << (16 - vp->vpath->vp_id)), VXGE_HAL_DEF_DEVICE_POLL_MILLIS); vxge_hal_trace_log_fifo("<== %s:%s:%d Result: 0", __FILE__, __func__, __LINE__); return (status); } /* * __hal_rxd_db_post - Post rxd doorbell * * @vpath_handle: vpath handle * @num_bytes: The number of bytes * * This function posts a rxd doorbell * */ void __hal_rxd_db_post(vxge_hal_vpath_h vpath_handle, u32 num_bytes) { __hal_device_t *hldev; __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; vxge_assert(vpath_handle != NULL); hldev = (__hal_device_t *) vp->vpath->hldev; vxge_hal_trace_log_ring("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_fifo( "vpath_handle = 0x"VXGE_OS_STXFMT", num_bytes = %d", (ptr_t) vpath_handle, num_bytes); vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, VXGE_HAL_PRC_RXD_DOORBELL_NEW_QW_CNT((num_bytes >> 3)), &vp->vpath->vp_reg->prc_rxd_doorbell); vxge_hal_trace_log_ring("<== %s:%s:%d Result: 0", __FILE__, __func__, __LINE__); } /* * __hal_message_db_post - Post message doorbell * * @vpath_handle: VPATH handle * @num_msg_bytes: The number of new message bytes made available * by this doorbell entry. * @immed_msg: Immediate message to be sent * @immed_msg_len: Immediate message length * * This function posts a message doorbell to doorbell FIFO * */ void __hal_message_db_post(vxge_hal_vpath_h vpath_handle, u32 num_msg_bytes, u8 *immed_msg, u32 immed_msg_len) { u32 i; u64 *db_ptr; __hal_device_t *hldev; __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; vxge_assert((vpath_handle != NULL) && (num_msg_bytes != 0)); hldev = (__hal_device_t *) vp->vpath->hldev; vxge_hal_trace_log_dmq("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_dmq("vpath_handle = 0x"VXGE_OS_STXFMT", " "num_msg_bytes = %d, immed_msg = 0x"VXGE_OS_STXFMT", " "immed_msg_len = %d", (ptr_t) vpath_handle, num_msg_bytes, (ptr_t) immed_msg, immed_msg_len); db_ptr = &vp->vpath->msg_db->control_0; vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, VXGE_HAL_MDBW_TYPE(VXGE_HAL_MDBW_TYPE_MDBW) | VXGE_HAL_MDBW_MESSAGE_BYTE_COUNT(num_msg_bytes), db_ptr++); vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, VXGE_HAL_MDBW_IMMEDIATE_BYTE_COUNT(immed_msg_len), db_ptr++); for (i = 0; i < immed_msg_len / 8; i++) { vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, *((u64 *) ((void *)&immed_msg[i * 8])), db_ptr++); } vxge_hal_trace_log_dmq("<== %s:%s:%d Result: 0", __FILE__, __func__, __LINE__); } /* * __hal_message_db_reset - Reset message doorbell fifo * * @vpath_handle: vpath handle * * This function resets message doorbell FIFO * */ vxge_hal_status_e __hal_message_db_reset(vxge_hal_vpath_h vpath_handle) { vxge_hal_status_e status; __hal_device_t *hldev; __hal_vpath_handle_t *vp = (__hal_vpath_handle_t *) vpath_handle; vxge_assert(vpath_handle != NULL); hldev = (__hal_device_t *) vp->vpath->hldev; vxge_hal_trace_log_dmq("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_dmq("vpath_handle = 0x"VXGE_OS_STXFMT, (ptr_t) vpath_handle); vxge_os_pio_mem_write64(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, VXGE_HAL_CMN_RSTHDLR_CFG3_SW_RESET_FIFO1( 1 << (16 - vp->vpath->vp_id)), &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg3); vxge_os_wmb(); status = vxge_hal_device_register_poll(vp->vpath->hldev->header.pdev, vp->vpath->hldev->header.regh0, &vp->vpath->hldev->common_reg->cmn_rsthdlr_cfg3, 0, (u64) VXGE_HAL_CMN_RSTHDLR_CFG3_SW_RESET_FIFO1( 1 << (16 - vp->vpath->vp_id)), VXGE_HAL_DEF_DEVICE_POLL_MILLIS); vxge_hal_trace_log_dmq("<== %s:%s:%d Result: 0", __FILE__, __func__, __LINE__); return (status); }