/*-
* 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"
/*
* Function to submit the request to the adapter.
*/
int pqisrc_submit_cmnd(pqisrc_softstate_t *softs,
ib_queue_t *ib_q, void *req)
{
char *slot = NULL;
uint32_t offset;
iu_header_t *hdr = (iu_header_t *)req;
uint32_t iu_len = hdr->iu_length + 4 ; /* header size */
int i = 0;
DBG_FUNC("IN\n");
PQI_LOCK(&ib_q->lock);
/* Check queue full */
if ((ib_q->pi_local + 1) % ib_q->num_elem == *(ib_q->ci_virt_addr)) {
DBG_WARN("OUT Q full\n");
PQI_UNLOCK(&ib_q->lock);
return PQI_STATUS_QFULL;
}
/* Get the slot */
offset = ib_q->pi_local * ib_q->elem_size;
slot = ib_q->array_virt_addr + offset;
/* Copy the IU */
memcpy(slot, req, iu_len);
DBG_INFO("IU : \n");
for(i = 0; i< iu_len; i++)
DBG_INFO(" IU [ %d ] : %x\n", i, *((unsigned char *)(slot + i)));
/* Update the local PI */
ib_q->pi_local = (ib_q->pi_local + 1) % ib_q->num_elem;
DBG_INFO("ib_q->pi_local : %x IU size : %d\n",
ib_q->pi_local, hdr->iu_length);
DBG_INFO("*ib_q->ci_virt_addr: %x\n",
*(ib_q->ci_virt_addr));
/* Inform the fw about the new IU */
PCI_MEM_PUT32(softs, ib_q->pi_register_abs, ib_q->pi_register_offset, ib_q->pi_local);
PQI_UNLOCK(&ib_q->lock);
DBG_FUNC("OUT\n");
return PQI_STATUS_SUCCESS;
}
