| mlx_disk.c (52273) | mlx_disk.c (52544) |
|---|---|
| 1/*- 2 * Copyright (c) 1999 Jonathan Lemon 3 * Copyright (c) 1999 Michael Smith 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 1999 Jonathan Lemon 3 * Copyright (c) 1999 Michael Smith 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $FreeBSD: head/sys/dev/mlx/mlx_disk.c 52273 1999-10-16 01:46:59Z msmith $ | 27 * $FreeBSD: head/sys/dev/mlx/mlx_disk.c 52544 1999-10-26 23:20:43Z msmith $ |
| 28 */ 29 30/* 31 * Disk driver for Mylex DAC960 RAID adapters. 32 */ 33 34#include <sys/param.h> 35#include <sys/systm.h> --- 7 unchanged lines hidden (view full) --- 43#include <sys/disk.h> 44 45#include <machine/bus.h> 46#include <machine/clock.h> 47#include <sys/rman.h> 48 49#include <dev/mlx/mlxio.h> 50#include <dev/mlx/mlxvar.h> | 28 */ 29 30/* 31 * Disk driver for Mylex DAC960 RAID adapters. 32 */ 33 34#include <sys/param.h> 35#include <sys/systm.h> --- 7 unchanged lines hidden (view full) --- 43#include <sys/disk.h> 44 45#include <machine/bus.h> 46#include <machine/clock.h> 47#include <sys/rman.h> 48 49#include <dev/mlx/mlxio.h> 50#include <dev/mlx/mlxvar.h> |
| 51#include <dev/mlx/mlxreg.h> |
|
| 51 52#if 0 53#define debug(fmt, args...) printf("%s: " fmt "\n", __FUNCTION__ , ##args) 54#else 55#define debug(fmt, args...) 56#endif 57 58/* prototypes */ --- 110 unchanged lines hidden (view full) --- 169 * arguments, and schedules the transfer. Does not wait for the transfer 170 * to complete. Multi-page transfers are supported. All I/O requests must 171 * be a multiple of a sector in length. 172 */ 173static void 174mlxd_strategy(struct buf *bp) 175{ 176 struct mlxd_softc *sc = (struct mlxd_softc *)bp->b_dev->si_drv1; | 52 53#if 0 54#define debug(fmt, args...) printf("%s: " fmt "\n", __FUNCTION__ , ##args) 55#else 56#define debug(fmt, args...) 57#endif 58 59/* prototypes */ --- 110 unchanged lines hidden (view full) --- 170 * arguments, and schedules the transfer. Does not wait for the transfer 171 * to complete. Multi-page transfers are supported. All I/O requests must 172 * be a multiple of a sector in length. 173 */ 174static void 175mlxd_strategy(struct buf *bp) 176{ 177 struct mlxd_softc *sc = (struct mlxd_softc *)bp->b_dev->si_drv1; |
| 177 int s; | |
| 178 179 debug("called"); 180 181 /* bogus disk? */ 182 if (sc == NULL) { 183 bp->b_error = EINVAL; 184 goto bad; 185 } 186 187 /* XXX may only be temporarily offline - sleep? */ 188 if (sc->mlxd_drive->ms_state == MLX_SYSD_OFFLINE) { 189 bp->b_error = ENXIO; 190 goto bad; 191 } 192 193 /* do-nothing operation */ 194 if (bp->b_bcount == 0) 195 goto done; 196 | 178 179 debug("called"); 180 181 /* bogus disk? */ 182 if (sc == NULL) { 183 bp->b_error = EINVAL; 184 goto bad; 185 } 186 187 /* XXX may only be temporarily offline - sleep? */ 188 if (sc->mlxd_drive->ms_state == MLX_SYSD_OFFLINE) { 189 bp->b_error = ENXIO; 190 goto bad; 191 } 192 193 /* do-nothing operation */ 194 if (bp->b_bcount == 0) 195 goto done; 196 |
| 197 s = splbio(); | |
| 198 devstat_start_transaction(&sc->mlxd_stats); 199 mlx_submit_buf(sc->mlxd_controller, bp); | 197 devstat_start_transaction(&sc->mlxd_stats); 198 mlx_submit_buf(sc->mlxd_controller, bp); |
| 200 splx(s); | |
| 201 return; 202 203 bad: 204 bp->b_flags |= B_ERROR; 205 206 done: 207 /* 208 * Correctly set the buf to indicate a completed transfer --- 98 unchanged lines hidden --- | 199 return; 200 201 bad: 202 bp->b_flags |= B_ERROR; 203 204 done: 205 /* 206 * Correctly set the buf to indicate a completed transfer --- 98 unchanged lines hidden --- |