195 lines
6.3 KiB
C
195 lines
6.3 KiB
C
/* $NetBSD: satafis_subr.c,v 1.8 2017/10/07 16:05:32 jdolecek Exp $ */
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/*-
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* Copyright (c) 2009 Jonathan A. Kollasch.
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* All rights reserved.
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2006 Manuel Bouyer.
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: satafis_subr.c,v 1.8 2017/10/07 16:05:32 jdolecek Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/disklabel.h>
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#include <dev/ata/atareg.h>
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#include <dev/ata/atavar.h>
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#include <dev/ata/satafisreg.h>
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#include <dev/ata/satafisvar.h>
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#include "atapibus.h"
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void
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satafis_rhd_construct_cmd(struct ata_command *ata_c, uint8_t *fis)
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{
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memset(fis, 0, RHD_FISLEN);
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fis[fis_type] = RHD_FISTYPE;
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fis[rhd_c] = RHD_C;
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fis[rhd_command] = ata_c->r_command;
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fis[rhd_features0] = (ata_c->r_features >> 0) & 0xff;
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fis[rhd_lba0] = (ata_c->r_lba >> 0) & 0xff;
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fis[rhd_lba1] = (ata_c->r_lba >> 8) & 0xff;
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fis[rhd_lba2] = (ata_c->r_lba >> 16) & 0xff;
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if ((ata_c->flags & AT_LBA48) != 0) {
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fis[rhd_dh] = ata_c->r_device;
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fis[rhd_lba3] = (ata_c->r_lba >> 24) & 0xff;
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fis[rhd_lba4] = (ata_c->r_lba >> 32) & 0xff;
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fis[rhd_lba5] = (ata_c->r_lba >> 40) & 0xff;
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fis[rhd_features1] = (ata_c->r_features >> 8) & 0xff;
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} else {
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fis[rhd_dh] = (ata_c->r_device & 0xf0) |
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((ata_c->r_lba >> 24) & 0x0f);
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}
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fis[rhd_count0] = (ata_c->r_count >> 0) & 0xff;
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if ((ata_c->flags & AT_LBA48) != 0) {
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fis[rhd_count1] = (ata_c->r_count >> 8) & 0xff;
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}
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}
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void
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satafis_rhd_construct_bio(struct ata_xfer *xfer, uint8_t *fis)
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{
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struct ata_bio *ata_bio = &xfer->c_bio;
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struct ata_drive_datas *drvp = &xfer->c_chp->ch_drive[xfer->c_drive];
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uint16_t count, features;
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uint8_t device;
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count = xfer->c_bcount / drvp->lp->d_secsize;
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features = 0;
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device = WDSD_LBA;
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memset(fis, 0, RHD_FISLEN);
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fis[fis_type] = RHD_FISTYPE;
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fis[rhd_c] = RHD_C;
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if (ata_bio->flags & ATA_LBA48) {
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fis[rhd_command] = (ata_bio->flags & ATA_READ) ?
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WDCC_READDMA_EXT : WDCC_WRITEDMA_EXT;
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atacmd_toncq(xfer, &fis[rhd_command], &count, &features,
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&device);
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} else {
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fis[rhd_command] =
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(ata_bio->flags & ATA_READ) ? WDCC_READDMA : WDCC_WRITEDMA;
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}
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fis[rhd_features0] = (features >> 0) & 0xff;
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fis[rhd_lba0] = (ata_bio->blkno >> 0) & 0xff;
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fis[rhd_lba1] = (ata_bio->blkno >> 8) & 0xff;
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fis[rhd_lba2] = (ata_bio->blkno >> 16) & 0xff;
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if ((ata_bio->flags & ATA_LBA48) != 0) {
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fis[rhd_dh] = device;
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fis[rhd_lba3] = (ata_bio->blkno >> 24) & 0xff;
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fis[rhd_lba4] = (ata_bio->blkno >> 32) & 0xff;
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fis[rhd_lba5] = (ata_bio->blkno >> 40) & 0xff;
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fis[rhd_features1] = (features >> 8) & 0xff;
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} else {
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fis[rhd_dh] = ((ata_bio->blkno >> 24) & 0x0f) |
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(((ata_bio->flags & ATA_LBA) != 0) ? WDSD_LBA : 0);
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}
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fis[rhd_count0] = count & 0xff;
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if ((ata_bio->flags & ATA_LBA48) != 0) {
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fis[rhd_count1] = (count >> 8) & 0xff;
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}
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}
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#if NATAPIBUS > 0
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void
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satafis_rhd_construct_atapi(struct ata_xfer *xfer, uint8_t *fis)
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{
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memset(fis, 0, RHD_FISLEN);
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fis[fis_type] = RHD_FISTYPE;
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fis[rhd_c] = RHD_C;
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fis[rhd_command] = ATAPI_PKT_CMD;
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fis[rhd_features0] = (xfer->c_flags & C_DMA) ?
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ATAPI_PKT_CMD_FTRE_DMA : 0;
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}
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#endif /* NATAPIBUS */
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int
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satafis_rdh_parse(struct ata_channel *chp, const uint8_t *fis)
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{
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return ATACH_ERR_ST(fis[rdh_error], fis[rdh_status]);
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}
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void
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satafis_rdh_cmd_readreg(struct ata_command *ata_c, const uint8_t *fis)
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{
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ata_c->r_lba = (uint64_t)fis[rdh_lba0] << 0;
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ata_c->r_lba |= (uint64_t)fis[rdh_lba1] << 8;
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ata_c->r_lba |= (uint64_t)fis[rdh_lba2] << 16;
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if ((ata_c->flags & AT_LBA48) != 0) {
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ata_c->r_lba |= (uint64_t)fis[rdh_lba3] << 24;
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ata_c->r_lba |= (uint64_t)fis[rdh_lba4] << 32;
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ata_c->r_lba |= (uint64_t)fis[rdh_lba5] << 40;
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ata_c->r_device = fis[rdh_dh];
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} else {
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ata_c->r_lba |= (uint64_t)(fis[rdh_dh] & 0x0f) << 24;
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ata_c->r_device = fis[rdh_dh] & 0xf0;
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}
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ata_c->r_count = fis[rdh_count0] << 0;
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if ((ata_c->flags & AT_LBA48) != 0) {
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ata_c->r_count |= fis[rdh_count1] << 8;
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}
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ata_c->r_error = fis[rdh_error];
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ata_c->r_status = fis[rdh_status];
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}
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