11e66f787SSean Bruno /*- 2*9fac68fcSPAPANI SRIKANTH * Copyright 2016-2021 Microchip Technology, Inc. and/or its subsidiaries. 31e66f787SSean Bruno * 41e66f787SSean Bruno * Redistribution and use in source and binary forms, with or without 51e66f787SSean Bruno * modification, are permitted provided that the following conditions 61e66f787SSean Bruno * are met: 71e66f787SSean Bruno * 1. Redistributions of source code must retain the above copyright 81e66f787SSean Bruno * notice, this list of conditions and the following disclaimer. 91e66f787SSean Bruno * 2. Redistributions in binary form must reproduce the above copyright 101e66f787SSean Bruno * notice, this list of conditions and the following disclaimer in the 111e66f787SSean Bruno * documentation and/or other materials provided with the distribution. 121e66f787SSean Bruno * 131e66f787SSean Bruno * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 141e66f787SSean Bruno * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 151e66f787SSean Bruno * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 161e66f787SSean Bruno * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 171e66f787SSean Bruno * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 181e66f787SSean Bruno * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 191e66f787SSean Bruno * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 201e66f787SSean Bruno * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 211e66f787SSean Bruno * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 221e66f787SSean Bruno * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 231e66f787SSean Bruno * SUCH DAMAGE. 241e66f787SSean Bruno */ 251e66f787SSean Bruno 261e66f787SSean Bruno /* $FreeBSD$ */ 271e66f787SSean Bruno 281e66f787SSean Bruno #include "smartpqi_includes.h" 291e66f787SSean Bruno 301e66f787SSean Bruno /* 311e66f787SSean Bruno * Function to submit the request to the adapter. 321e66f787SSean Bruno */ 331e66f787SSean Bruno 34*9fac68fcSPAPANI SRIKANTH int 35*9fac68fcSPAPANI SRIKANTH pqisrc_submit_cmnd(pqisrc_softstate_t *softs, ib_queue_t *ib_q, void *req) 361e66f787SSean Bruno { 371e66f787SSean Bruno char *slot = NULL; 381e66f787SSean Bruno uint32_t offset; 391e66f787SSean Bruno iu_header_t *hdr = (iu_header_t *)req; 401e66f787SSean Bruno uint32_t iu_len = hdr->iu_length + 4 ; /* header size */ 411e66f787SSean Bruno int i = 0; 421e66f787SSean Bruno DBG_FUNC("IN\n"); 431e66f787SSean Bruno 441e66f787SSean Bruno PQI_LOCK(&ib_q->lock); 451e66f787SSean Bruno 461e66f787SSean Bruno /* Check queue full */ 471e66f787SSean Bruno if ((ib_q->pi_local + 1) % ib_q->num_elem == *(ib_q->ci_virt_addr)) { 481e66f787SSean Bruno DBG_WARN("OUT Q full\n"); 491e66f787SSean Bruno PQI_UNLOCK(&ib_q->lock); 501e66f787SSean Bruno return PQI_STATUS_QFULL; 511e66f787SSean Bruno } 521e66f787SSean Bruno 531e66f787SSean Bruno /* Get the slot */ 541e66f787SSean Bruno offset = ib_q->pi_local * ib_q->elem_size; 551e66f787SSean Bruno slot = ib_q->array_virt_addr + offset; 561e66f787SSean Bruno 571e66f787SSean Bruno /* Copy the IU */ 581e66f787SSean Bruno memcpy(slot, req, iu_len); 591e66f787SSean Bruno DBG_INFO("IU : \n"); 601e66f787SSean Bruno for(i = 0; i< iu_len; i++) 611e66f787SSean Bruno DBG_INFO(" IU [ %d ] : %x\n", i, *((unsigned char *)(slot + i))); 621e66f787SSean Bruno 631e66f787SSean Bruno /* Update the local PI */ 641e66f787SSean Bruno ib_q->pi_local = (ib_q->pi_local + 1) % ib_q->num_elem; 651e66f787SSean Bruno DBG_INFO("ib_q->pi_local : %x IU size : %d\n", 661e66f787SSean Bruno ib_q->pi_local, hdr->iu_length); 671e66f787SSean Bruno DBG_INFO("*ib_q->ci_virt_addr: %x\n", 681e66f787SSean Bruno *(ib_q->ci_virt_addr)); 691e66f787SSean Bruno 701e66f787SSean Bruno /* Inform the fw about the new IU */ 711e66f787SSean Bruno PCI_MEM_PUT32(softs, ib_q->pi_register_abs, ib_q->pi_register_offset, ib_q->pi_local); 721e66f787SSean Bruno PQI_UNLOCK(&ib_q->lock); 731e66f787SSean Bruno DBG_FUNC("OUT\n"); 741e66f787SSean Bruno return PQI_STATUS_SUCCESS; 751e66f787SSean Bruno } 76