mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 02:37:15 +00:00
fdafd315ad
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
#include <opencrypto/xform.h>
|
|
|
|
#include "ccp.h"
|
|
#include "ccp_lsb.h"
|
|
|
|
void
|
|
ccp_queue_decode_lsb_regions(struct ccp_softc *sc, uint64_t lsbmask,
|
|
unsigned queue)
|
|
{
|
|
struct ccp_queue *qp;
|
|
unsigned i;
|
|
|
|
qp = &sc->queues[queue];
|
|
|
|
qp->lsb_mask = 0;
|
|
|
|
for (i = 0; i < MAX_LSB_REGIONS; i++) {
|
|
if (((1 << queue) & lsbmask) != 0)
|
|
qp->lsb_mask |= (1 << i);
|
|
lsbmask >>= MAX_HW_QUEUES;
|
|
}
|
|
|
|
/*
|
|
* Ignore region 0, which has special entries that cannot be used
|
|
* generally.
|
|
*/
|
|
qp->lsb_mask &= ~(1 << 0);
|
|
}
|
|
|
|
/*
|
|
* Look for a private LSB for each queue. There are 7 general purpose LSBs
|
|
* total and 5 queues. PSP will reserve some of both. Firmware limits some
|
|
* queues' access to some LSBs; we hope it is fairly sane and just use a dumb
|
|
* greedy algorithm to assign LSBs to queues.
|
|
*/
|
|
void
|
|
ccp_assign_lsb_regions(struct ccp_softc *sc, uint64_t lsbmask)
|
|
{
|
|
unsigned q, i;
|
|
|
|
for (q = 0; q < nitems(sc->queues); q++) {
|
|
if (((1 << q) & sc->valid_queues) == 0)
|
|
continue;
|
|
|
|
sc->queues[q].private_lsb = -1;
|
|
|
|
/* Intentionally skip specialized 0th LSB */
|
|
for (i = 1; i < MAX_LSB_REGIONS; i++) {
|
|
if ((lsbmask &
|
|
(1ull << (q + (MAX_HW_QUEUES * i)))) != 0) {
|
|
sc->queues[q].private_lsb = i;
|
|
lsbmask &= ~(0x1Full << (MAX_HW_QUEUES * i));
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == MAX_LSB_REGIONS) {
|
|
device_printf(sc->dev,
|
|
"Ignoring queue %u with no private LSB\n", q);
|
|
sc->valid_queues &= ~(1 << q);
|
|
}
|
|
}
|
|
}
|