1/*-
2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/mvs/mvs_pci.c 208414 2010-05-22 08:30:47Z mav $");
29
30#include <sys/param.h>
31#include <sys/module.h>
32#include <sys/systm.h>
33#include <sys/kernel.h>
34#include <sys/bus.h>
35#include <sys/endian.h>
36#include <sys/malloc.h>

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334{
335 struct mvs_controller *ctlr = data;
336 struct mvs_intr_arg arg;
337 void (*function)(void *);
338 int p;
339 u_int32_t ic, aic;
340
341 ic = ATA_INL(ctlr->r_mem, CHIP_MIC);
342//device_printf(ctlr->dev, "irq MIC:%08x\n", ic);
343 if (ctlr->msi) {
344 /* We have to to mask MSI during processing. */
345 mtx_lock(&ctlr->mtx);
346 ATA_OUTL(ctlr->r_mem, CHIP_MIM, 0);
347 ctlr->msia = 1; /* Deny MIM update during processing. */
348 mtx_unlock(&ctlr->mtx);
349 } else if (ic == 0)
350 return;

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