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/*-
* Copyright (c) 2018 Microsemi Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 "smartpqi_includes.h"
/*
* Process internal RAID response in the case of success.
*/
void pqisrc_process_internal_raid_response_success(pqisrc_softstate_t *softs,
rcb_t *rcb)
{
DBG_FUNC("IN");
rcb->status = REQUEST_SUCCESS;
rcb->req_pending = false;
DBG_FUNC("OUT");
}
/*
* Process internal RAID response in the case of failure.
*/
void pqisrc_process_internal_raid_response_error(pqisrc_softstate_t *softs,
rcb_t *rcb, uint16_t err_idx)
{
raid_path_error_info_elem_t error_info;
DBG_FUNC("IN");
rcb->error_info = (char *) (softs->err_buf_dma_mem.virt_addr) +
(err_idx * PQI_ERROR_BUFFER_ELEMENT_LENGTH);
rcb->status = REQUEST_SUCCESS;
memcpy(&error_info, rcb->error_info, sizeof(error_info));
DBG_INFO("error_status 0x%x data_in_result 0x%x data_out_result 0x%x\n",
error_info.status, error_info.data_in_result, error_info.data_out_result);
if (error_info.status != 0)
rcb->status = REQUEST_FAILED;
if (error_info.data_in_result != PQI_RAID_DATA_IN_OUT_GOOD)
rcb->status = REQUEST_FAILED;
if (error_info.data_out_result != PQI_RAID_DATA_IN_OUT_GOOD)
rcb->status = REQUEST_FAILED;
rcb->req_pending = false;
DBG_FUNC("OUT");
}
/*
* Process the AIO/RAID IO in the case of success.
*/
void pqisrc_process_io_response_success(pqisrc_softstate_t *softs,
rcb_t *rcb)
{
DBG_FUNC("IN");
os_io_response_success(rcb);
DBG_FUNC("OUT");
}
/*
* Process the error info for AIO in the case of failure.
*/
void pqisrc_process_aio_response_error(pqisrc_softstate_t *softs,
rcb_t *rcb, uint16_t err_idx)
{
aio_path_error_info_elem_t *err_info = NULL;
DBG_FUNC("IN");
err_info = (aio_path_error_info_elem_t*)
softs->err_buf_dma_mem.virt_addr +
err_idx;
if(err_info == NULL) {
DBG_ERR("err_info structure is NULL err_idx :%x", err_idx);
return;
}
os_aio_response_error(rcb, err_info);
DBG_FUNC("OUT");
}
/*
* Process the error info for RAID IO in the case of failure.
*/
void pqisrc_process_raid_response_error(pqisrc_softstate_t *softs,
rcb_t *rcb, uint16_t err_idx)
{
raid_path_error_info_elem_t *err_info = NULL;
DBG_FUNC("IN");
err_info = (raid_path_error_info_elem_t*)
softs->err_buf_dma_mem.virt_addr +
err_idx;
if(err_info == NULL) {
DBG_ERR("err_info structure is NULL err_idx :%x", err_idx);
return;
}
os_raid_response_error(rcb, err_info);
DBG_FUNC("OUT");
}
/*
* Process the Task Management function response.
*/
int pqisrc_process_task_management_response(pqisrc_softstate_t *softs,
pqi_tmf_resp_t *tmf_resp)
{
int ret = REQUEST_SUCCESS;
uint32_t tag = (uint32_t)tmf_resp->req_id;
rcb_t *rcb = &softs->rcb[tag];
ASSERT(rcb->tag == tag);
DBG_FUNC("IN\n");
switch (tmf_resp->resp_code) {
case SOP_TASK_MANAGEMENT_FUNCTION_COMPLETE:
case SOP_TASK_MANAGEMENT_FUNCTION_SUCCEEDED:
ret = REQUEST_SUCCESS;
break;
default:
DBG_ERR("TMF Failed, Response code : 0x%x\n", tmf_resp->resp_code);
ret = REQUEST_FAILED;
break;
}
rcb->status = ret;
rcb->req_pending = false;
DBG_FUNC("OUT");
return ret;
}
/*
* Function used to process the response from the adapter
* which is invoked by IRQ handler.
*/
void
pqisrc_process_response_queue(pqisrc_softstate_t *softs, int oq_id)
{
ob_queue_t *ob_q;
struct pqi_io_response *response;
uint32_t oq_pi, oq_ci;
DBG_FUNC("IN");
OS_ATOMIC64_INC(softs, num_intrs);
ob_q = &softs->op_ob_q[oq_id - 1]; /* zero for event Q */
oq_ci = ob_q->ci_local;
oq_pi = *(ob_q->pi_virt_addr);
DBG_INFO("ci : %d pi : %d qid : %d\n", oq_ci, oq_pi, ob_q->q_id);
while (1) {
rcb_t *rcb = NULL;
uint32_t tag = 0;
uint32_t offset;
if (oq_pi == oq_ci)
break;
/* Get the response */
offset = oq_ci * ob_q->elem_size;
response = (struct pqi_io_response *)(ob_q->array_virt_addr +
offset);
tag = response->request_id;
rcb = &softs->rcb[tag];
/* Make sure we are processing a valid response. */
ASSERT(rcb->tag == tag && rcb->req_pending);
rcb->req_pending = false;
DBG_INFO("response.header.iu_type : %x \n", response->header.iu_type);
switch (response->header.iu_type) {
case PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS:
case PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS:
rcb->success_cmp_callback(softs, rcb);
break;
case PQI_RESPONSE_IU_RAID_PATH_IO_ERROR:
case PQI_RESPONSE_IU_AIO_PATH_IO_ERROR:
rcb->error_cmp_callback(softs, rcb, LE_16(response->error_index));
break;
case PQI_RESPONSE_IU_GENERAL_MANAGEMENT:
rcb->req_pending = false;
break;
case PQI_RESPONSE_IU_TASK_MANAGEMENT:
rcb->status = pqisrc_process_task_management_response(softs, (void *)response);
break;
default:
DBG_ERR("Invalid Response IU 0x%x\n",response->header.iu_type);
break;
}
oq_ci = (oq_ci + 1) % ob_q->num_elem;
}
ob_q->ci_local = oq_ci;
PCI_MEM_PUT32(softs, ob_q->ci_register_abs,
ob_q->ci_register_offset, ob_q->ci_local );
DBG_FUNC("OUT");
}
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