| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/hpt27xx/@/dev/mps/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/hpt27xx/@/dev/mps/mps_sas.h |
/*-
* Copyright (c) 2011, 2012 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: release/9.1.0/sys/dev/mps/mps_sas.h 237876 2012-07-01 05:22:45Z ken $
*/
struct mps_fw_event_work;
struct mpssas_lun {
SLIST_ENTRY(mpssas_lun) lun_link;
lun_id_t lun_id;
uint8_t eedp_formatted;
uint32_t eedp_block_size;
};
struct mpssas_target {
uint16_t handle;
uint8_t linkrate;
uint64_t devname;
uint32_t devinfo;
uint16_t encl_handle;
uint16_t encl_slot;
uint8_t flags;
#define MPSSAS_TARGET_INABORT (1 << 0)
#define MPSSAS_TARGET_INRESET (1 << 1)
#define MPSSAS_TARGET_INDIAGRESET (1 << 2)
#define MPSSAS_TARGET_INREMOVAL (1 << 3)
#define MPS_TARGET_FLAGS_RAID_COMPONENT (1 << 4)
#define MPS_TARGET_FLAGS_VOLUME (1 << 5)
#define MPSSAS_TARGET_INRECOVERY (MPSSAS_TARGET_INABORT | \
MPSSAS_TARGET_INRESET | MPSSAS_TARGET_INCHIPRESET)
#define MPSSAS_TARGET_ADD (1 << 29)
#define MPSSAS_TARGET_REMOVE (1 << 30)
uint16_t tid;
SLIST_HEAD(, mpssas_lun) luns;
TAILQ_HEAD(, mps_command) commands;
struct mps_command *tm;
TAILQ_HEAD(, mps_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(mpssas_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;
};
struct mpssas_softc {
struct mps_softc *sc;
u_int flags;
#define MPSSAS_IN_DISCOVERY (1 << 0)
#define MPSSAS_IN_STARTUP (1 << 1)
#define MPSSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2)
#define MPSSAS_QUEUE_FROZEN (1 << 3)
#define MPSSAS_SHUTDOWN (1 << 4)
#define MPSSAS_SCANTHREAD (1 << 5)
struct mpssas_target *targets;
struct cam_devq *devq;
struct cam_sim *sim;
struct cam_path *path;
struct intr_config_hook sas_ich;
struct callout discovery_callout;
u_int discovery_timeouts;
struct mps_event_handle *mpssas_eh;
u_int startup_refcount;
u_int tm_count;
struct proc *sysctl_proc;
TAILQ_HEAD(, ccb_hdr) ccb_scanq;
struct proc *rescan_thread;
struct taskqueue *ev_tq;
struct task ev_task;
TAILQ_HEAD(, mps_fw_event_work) ev_queue;
};
MALLOC_DECLARE(M_MPSSAS);
/*
* Abstracted so that the driver can be backwards and forwards compatible
* with future versions of CAM that will provide this functionality.
*/
#define MPS_SET_LUN(lun, ccblun) \
mpssas_set_lun(lun, ccblun)
static __inline int
mpssas_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 MPS_SET_SINGLE_LUN(req, lun) \
do { \
bzero((req)->LUN, 8); \
(req)->LUN[1] = lun; \
} while(0)
void mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ);
void mpssas_discovery_end(struct mpssas_softc *sassc);
void mpssas_startup_increment(struct mpssas_softc *sassc);
void mpssas_startup_decrement(struct mpssas_softc *sassc);
struct mps_command * mpssas_alloc_tm(struct mps_softc *sc);
void mpssas_free_tm(struct mps_softc *sc, struct mps_command *tm);
void mpssas_firmware_event_work(void *arg, int pending);