diff options
Diffstat (limited to 'sys/dev/mpr/mpr_sas.h')
| -rw-r--r-- | sys/dev/mpr/mpr_sas.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sys/dev/mpr/mpr_sas.h b/sys/dev/mpr/mpr_sas.h new file mode 100644 index 0000000..9d3116a --- /dev/null +++ b/sys/dev/mpr/mpr_sas.h @@ -0,0 +1,168 @@ +/*- + * Copyright (c) 2011-2014 LSI Corp. + * 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. + * + * LSI MPT-Fusion Host Adapter FreeBSD + * + * $FreeBSD$ + */ + +struct mpr_fw_event_work; + +struct mprsas_lun { + SLIST_ENTRY(mprsas_lun) lun_link; + lun_id_t lun_id; + uint8_t eedp_formatted; + uint32_t eedp_block_size; + uint8_t stop_at_shutdown; +}; + +struct mprsas_target { + uint16_t handle; + uint8_t linkrate; + uint8_t encl_level_valid; + uint8_t encl_level; + char connector_name[4]; + uint64_t devname; + uint32_t devinfo; + uint16_t encl_handle; + uint16_t encl_slot; + uint8_t flags; +#define MPRSAS_TARGET_INABORT (1 << 0) +#define MPRSAS_TARGET_INRESET (1 << 1) +#define MPRSAS_TARGET_INDIAGRESET (1 << 2) +#define MPRSAS_TARGET_INREMOVAL (1 << 3) +#define MPR_TARGET_FLAGS_RAID_COMPONENT (1 << 4) +#define MPR_TARGET_FLAGS_VOLUME (1 << 5) +#define MPRSAS_TARGET_INRECOVERY (MPRSAS_TARGET_INABORT | \ + MPRSAS_TARGET_INRESET | MPRSAS_TARGET_INCHIPRESET) + +#define MPRSAS_TARGET_ADD (1 << 29) +#define MPRSAS_TARGET_REMOVE (1 << 30) + uint16_t tid; + SLIST_HEAD(, mprsas_lun) luns; + TAILQ_HEAD(, mpr_command) commands; + struct mpr_command *tm; + TAILQ_HEAD(, mpr_command) timedout_commands; + uint16_t exp_dev_handle; + uint16_t phy_num; + uint64_t sasaddr; + uint16_t parent_handle; + uint64_t parent_sasaddr; + uint32_t parent_devinfo; + struct sysctl_ctx_list sysctl_ctx; + struct sysctl_oid *sysctl_tree; + TAILQ_ENTRY(mprsas_target) sysctl_link; + uint64_t issued; + uint64_t completed; + unsigned int outstanding; + unsigned int timeouts; + unsigned int aborts; + unsigned int logical_unit_resets; + unsigned int target_resets; + uint8_t scsi_req_desc_type; +}; + +struct mprsas_softc { + struct mpr_softc *sc; + u_int flags; +#define MPRSAS_IN_DISCOVERY (1 << 0) +#define MPRSAS_IN_STARTUP (1 << 1) +#define MPRSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2) +#define MPRSAS_QUEUE_FROZEN (1 << 3) +#define MPRSAS_SHUTDOWN (1 << 4) +#define MPRSAS_SCANTHREAD (1 << 5) + u_int maxtargets; + struct mprsas_target *targets; + struct cam_devq *devq; + struct cam_sim *sim; + struct cam_path *path; + struct intr_config_hook sas_ich; + struct callout discovery_callout; + struct mpr_event_handle *mprsas_eh; + + u_int startup_refcount; + u_int tm_count; + struct proc *sysctl_proc; + + struct taskqueue *ev_tq; + struct task ev_task; + TAILQ_HEAD(, mpr_fw_event_work) ev_queue; +}; + +MALLOC_DECLARE(M_MPRSAS); + +/* + * Abstracted so that the driver can be backwards and forwards compatible + * with future versions of CAM that will provide this functionality. + */ +#define MPR_SET_LUN(lun, ccblun) \ + mprsas_set_lun(lun, ccblun) + +static __inline int +mprsas_set_lun(uint8_t *lun, u_int ccblun) +{ + uint64_t *newlun; + + newlun = (uint64_t *)lun; + *newlun = 0; + if (ccblun <= 0xff) { + /* Peripheral device address method, LUN is 0 to 255 */ + lun[1] = ccblun; + } else if (ccblun <= 0x3fff) { + /* Flat space address method, LUN is <= 16383 */ + scsi_ulto2b(ccblun, lun); + lun[0] |= 0x40; + } else if (ccblun <= 0xffffff) { + /* Extended flat space address method, LUN is <= 16777215 */ + scsi_ulto3b(ccblun, &lun[1]); + /* Extended Flat space address method */ + lun[0] = 0xc0; + /* Length = 1, i.e. LUN is 3 bytes long */ + lun[0] |= 0x10; + /* Extended Address Method */ + lun[0] |= 0x02; + } else { + return (EINVAL); + } + + return (0); +} + +#define MPR_SET_SINGLE_LUN(req, lun) \ +do { \ + bzero((req)->LUN, 8); \ + (req)->LUN[1] = lun; \ +} while(0) + +void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ); +void mprsas_discovery_end(struct mprsas_softc *sassc); +void mprsas_startup_increment(struct mprsas_softc *sassc); +void mprsas_startup_decrement(struct mprsas_softc *sassc); +void mprsas_release_simq_reinit(struct mprsas_softc *sassc); + +struct mpr_command * mprsas_alloc_tm(struct mpr_softc *sc); +void mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm); +void mprsas_firmware_event_work(void *arg, int pending); +int mprsas_check_id(struct mprsas_softc *sassc, int id); |
