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7ea28254ec
This updates the smartpqi driver to Microsemi's latest code. This will be the driver for FreeBSD 14 (with updates), but no MFC is planned. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D41550
79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/*-
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* Copyright 2016-2023 Microchip Technology, Inc. and/or its subsidiaries.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "smartpqi_includes.h"
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/*
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* Function to submit the request to the adapter.
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*/
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int
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pqisrc_submit_cmnd(pqisrc_softstate_t *softs, ib_queue_t *ib_q, void *req)
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{
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char *slot = NULL;
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uint32_t offset;
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iu_header_t *hdr = (iu_header_t *)req;
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/*TODO : Can be fixed a size copying of IU ? */
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uint32_t iu_len = hdr->iu_length + 4 ; /* header size */
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int i = 0;
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DBG_FUNC("IN\n");
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/* The code below assumes we only take 1 element (no spanning) */
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ASSERT(iu_len <= ib_q->elem_size);
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PQI_LOCK(&ib_q->lock);
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/* Check queue full */
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if ((ib_q->pi_local + 1) % ib_q->num_elem == *(ib_q->ci_virt_addr)) {
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DBG_WARN("OUT Q full\n");
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PQI_UNLOCK(&ib_q->lock);
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return PQI_STATUS_QFULL;
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}
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/* Get the slot */
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offset = ib_q->pi_local * ib_q->elem_size;
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slot = ib_q->array_virt_addr + offset;
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/* Copy the IU */
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memcpy(slot, req, iu_len);
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DBG_IO("IU : \n");
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for(i = 0; i< iu_len; i++)
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DBG_IO(" IU [ %d ] : %x\n", i, *((unsigned char *)(slot + i)));
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/* Update the local PI */
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ib_q->pi_local = (ib_q->pi_local + 1) % ib_q->num_elem;
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DBG_IO("ib_q->pi_local : %x IU size : %d\n",
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ib_q->pi_local, hdr->iu_length);
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DBG_IO("*ib_q->ci_virt_addr: %x\n",
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*(ib_q->ci_virt_addr));
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/* Inform the fw about the new IU */
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PCI_MEM_PUT32(softs, ib_q->pi_register_abs, ib_q->pi_register_offset, ib_q->pi_local);
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PQI_UNLOCK(&ib_q->lock);
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DBG_FUNC("OUT\n");
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return PQI_STATUS_SUCCESS;
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}
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