1188 lines
31 KiB
C
1188 lines
31 KiB
C
/* $FreeBSD$ */
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/*
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* Generic routines for LSI '909 FC adapters.
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* FreeBSD Version.
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*
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* Copyright (c) 2000, 2001 by Greg Ansley
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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 immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Additional Copyright (c) 2002 by Matthew Jacob under same license.
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*/
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#include <dev/mpt/mpt_freebsd.h>
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#define MPT_MAX_TRYS 3
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#define MPT_MAX_WAIT 300000
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static int maxwait_ack = 0;
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static int maxwait_int = 0;
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static int maxwait_state = 0;
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static INLINE u_int32_t mpt_rd_db(mpt_softc_t *mpt);
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static INLINE u_int32_t mpt_rd_intr(mpt_softc_t *mpt);
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static INLINE u_int32_t
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mpt_rd_db(mpt_softc_t *mpt)
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{
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return mpt_read(mpt, MPT_OFFSET_DOORBELL);
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}
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static INLINE u_int32_t
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mpt_rd_intr(mpt_softc_t *mpt)
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{
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return mpt_read(mpt, MPT_OFFSET_INTR_STATUS);
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}
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/* Busy wait for a door bell to be read by IOC */
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static int
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mpt_wait_db_ack(mpt_softc_t *mpt)
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{
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int i;
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for (i=0; i < MPT_MAX_WAIT; i++) {
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if (!MPT_DB_IS_BUSY(mpt_rd_intr(mpt))) {
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maxwait_ack = i > maxwait_ack ? i : maxwait_ack;
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return MPT_OK;
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}
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DELAY(100);
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}
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return MPT_FAIL;
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}
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/* Busy wait for a door bell interrupt */
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static int
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mpt_wait_db_int(mpt_softc_t *mpt)
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{
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int i;
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for (i=0; i < MPT_MAX_WAIT; i++) {
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if (MPT_DB_INTR(mpt_rd_intr(mpt))) {
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maxwait_int = i > maxwait_int ? i : maxwait_int;
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return MPT_OK;
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}
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DELAY(100);
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}
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return MPT_FAIL;
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}
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/* Wait for IOC to transition to a give state */
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void
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mpt_check_doorbell(mpt_softc_t *mpt)
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{
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u_int32_t db = mpt_rd_db(mpt);
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if (MPT_STATE(db) != MPT_DB_STATE_RUNNING) {
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mpt_prt(mpt, "Device not running");
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mpt_print_db(db);
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}
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}
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/* Wait for IOC to transition to a give state */
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static int
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mpt_wait_state(mpt_softc_t *mpt, enum DB_STATE_BITS state)
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{
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int i;
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for (i = 0; i < MPT_MAX_WAIT; i++) {
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u_int32_t db = mpt_rd_db(mpt);
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if (MPT_STATE(db) == state) {
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maxwait_state = i > maxwait_state ? i : maxwait_state;
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return (MPT_OK);
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}
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DELAY(100);
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}
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return (MPT_FAIL);
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}
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/* Issue the reset COMMAND to the IOC */
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int
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mpt_soft_reset(mpt_softc_t *mpt)
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{
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if (mpt->verbose) {
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mpt_prt(mpt, "soft reset");
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}
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/* Have to use hard reset if we are not in Running state */
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if (MPT_STATE(mpt_rd_db(mpt)) != MPT_DB_STATE_RUNNING) {
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mpt_prt(mpt, "soft reset failed: device not running");
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return MPT_FAIL;
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}
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/* If door bell is in use we don't have a chance of getting
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* a word in since the IOC probably crashed in message
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* processing. So don't waste our time.
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*/
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if (MPT_DB_IS_IN_USE(mpt_rd_db(mpt))) {
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mpt_prt(mpt, "soft reset failed: doorbell wedged");
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return MPT_FAIL;
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}
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/* Send the reset request to the IOC */
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mpt_write(mpt, MPT_OFFSET_DOORBELL,
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MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET << MPI_DOORBELL_FUNCTION_SHIFT);
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if (mpt_wait_db_ack(mpt) != MPT_OK) {
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mpt_prt(mpt, "soft reset failed: ack timeout");
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return MPT_FAIL;
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}
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/* Wait for the IOC to reload and come out of reset state */
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if (mpt_wait_state(mpt, MPT_DB_STATE_READY) != MPT_OK) {
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mpt_prt(mpt, "soft reset failed: device did not start running");
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return MPT_FAIL;
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}
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return MPT_OK;
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}
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/* This is a magic diagnostic reset that resets all the ARM
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* processors in the chip.
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*/
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void
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mpt_hard_reset(mpt_softc_t *mpt)
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{
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/* This extra read comes for the Linux source
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* released by LSI. It's function is undocumented!
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*/
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if (mpt->verbose) {
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mpt_prt(mpt, "hard reset");
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}
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mpt_read(mpt, MPT_OFFSET_FUBAR);
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/* Enable diagnostic registers */
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mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPT_DIAG_SEQUENCE_1);
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mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPT_DIAG_SEQUENCE_2);
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mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPT_DIAG_SEQUENCE_3);
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mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPT_DIAG_SEQUENCE_4);
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mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPT_DIAG_SEQUENCE_5);
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/* Diag. port is now active so we can now hit the reset bit */
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mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, MPT_DIAG_RESET_IOC);
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DELAY(10000);
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/* Disable Diagnostic Register */
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mpt_write(mpt, MPT_OFFSET_SEQUENCE, 0xFF);
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/* Restore the config register values */
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/* Hard resets are known to screw up the BAR for diagnostic
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memory accesses (Mem1). */
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mpt_set_config_regs(mpt);
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if (mpt->mpt2 != NULL) {
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mpt_set_config_regs(mpt->mpt2);
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}
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/* Note that if there is no valid firmware to run, the doorbell will
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remain in the reset state (0x00000000) */
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}
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/*
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* Reset the IOC when needed. Try software command first then if needed
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* poke at the magic diagnostic reset. Note that a hard reset resets
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* *both* IOCs on dual function chips (FC929 && LSI1030) as well as
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* fouls up the PCI configuration registers.
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*/
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int
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mpt_reset(mpt_softc_t *mpt)
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{
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int ret;
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/* Try a soft reset */
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if ((ret = mpt_soft_reset(mpt)) != MPT_OK) {
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/* Failed; do a hard reset */
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mpt_hard_reset(mpt);
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/* Wait for the IOC to reload and come out of reset state */
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ret = mpt_wait_state(mpt, MPT_DB_STATE_READY);
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if (ret != MPT_OK) {
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mpt_prt(mpt, "failed to reset device");
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}
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}
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return ret;
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}
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/* Return a command buffer to the free queue */
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void
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mpt_free_request(mpt_softc_t *mpt, request_t *req)
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{
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if (req == NULL || req != &mpt->request_pool[req->index]) {
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panic("mpt_free_request bad req ptr\n");
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return;
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}
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req->sequence = 0;
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req->ccb = NULL;
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req->debug = REQ_FREE;
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SLIST_INSERT_HEAD(&mpt->request_free_list, req, link);
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}
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/* Get a command buffer from the free queue */
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request_t *
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mpt_get_request(mpt_softc_t *mpt)
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{
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request_t *req;
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req = SLIST_FIRST(&mpt->request_free_list);
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if (req != NULL) {
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if (req != &mpt->request_pool[req->index]) {
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panic("mpt_get_request: corrupted request free list\n");
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}
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if (req->ccb != NULL) {
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panic("mpt_get_request: corrupted request free list (ccb)\n");
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}
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SLIST_REMOVE_HEAD(&mpt->request_free_list, link);
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req->debug = REQ_IN_PROGRESS;
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}
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return req;
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}
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/* Pass the command to the IOC */
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void
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mpt_send_cmd(mpt_softc_t *mpt, request_t *req)
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{
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req->sequence = mpt->sequence++;
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if (mpt->verbose > 1) {
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u_int32_t *pReq;
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pReq = req->req_vbuf;
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mpt_prt(mpt, "Send Request %d (0x%x):",
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req->index, req->req_pbuf);
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mpt_prt(mpt, "%08x %08x %08x %08x",
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pReq[0], pReq[1], pReq[2], pReq[3]);
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mpt_prt(mpt, "%08x %08x %08x %08x",
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pReq[4], pReq[5], pReq[6], pReq[7]);
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mpt_prt(mpt, "%08x %08x %08x %08x",
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pReq[8], pReq[9], pReq[10], pReq[11]);
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mpt_prt(mpt, "%08x %08x %08x %08x",
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pReq[12], pReq[13], pReq[14], pReq[15]);
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}
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bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
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BUS_DMASYNC_PREWRITE);
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req->debug = REQ_ON_CHIP;
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mpt_write(mpt, MPT_OFFSET_REQUEST_Q, (u_int32_t) req->req_pbuf);
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}
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/*
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* Give the reply buffer back to the IOC after we have
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* finished processing it.
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*/
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void
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mpt_free_reply(mpt_softc_t *mpt, u_int32_t ptr)
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{
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mpt_write(mpt, MPT_OFFSET_REPLY_Q, ptr);
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}
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/* Get a reply from the IOC */
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u_int32_t
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mpt_pop_reply_queue(mpt_softc_t *mpt)
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{
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return mpt_read(mpt, MPT_OFFSET_REPLY_Q);
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}
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/*
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* Send a command to the IOC via the handshake register.
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*
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* Only done at initialization time and for certain unusual
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* commands such as device/bus reset as specified by LSI.
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*/
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int
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mpt_send_handshake_cmd(mpt_softc_t *mpt, size_t len, void *cmd)
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{
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int i;
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u_int32_t data, *data32;
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/* Check condition of the IOC */
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data = mpt_rd_db(mpt);
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if (((MPT_STATE(data) != MPT_DB_STATE_READY) &&
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(MPT_STATE(data) != MPT_DB_STATE_RUNNING) &&
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(MPT_STATE(data) != MPT_DB_STATE_FAULT)) ||
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( MPT_DB_IS_IN_USE(data) )) {
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mpt_prt(mpt, "handshake aborted due to invalid doorbell state");
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mpt_print_db(data);
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return(EBUSY);
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}
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/* We move things in 32 bit chunks */
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len = (len + 3) >> 2;
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data32 = cmd;
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/* Clear any left over pending doorbell interupts */
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if (MPT_DB_INTR(mpt_rd_intr(mpt)))
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mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
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/*
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* Tell the handshake reg. we are going to send a command
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* and how long it is going to be.
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*/
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data = (MPI_FUNCTION_HANDSHAKE << MPI_DOORBELL_FUNCTION_SHIFT) |
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(len << MPI_DOORBELL_ADD_DWORDS_SHIFT);
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mpt_write(mpt, MPT_OFFSET_DOORBELL, data);
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/* Wait for the chip to notice */
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if (mpt_wait_db_int(mpt) != MPT_OK) {
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mpt_prt(mpt, "mpt_send_handshake_cmd timeout1");
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return ETIMEDOUT;
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}
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/* Clear the interrupt */
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mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
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if (mpt_wait_db_ack(mpt) != MPT_OK) {
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mpt_prt(mpt, "mpt_send_handshake_cmd timeout2");
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return ETIMEDOUT;
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}
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/* Send the command */
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for (i = 0; i < len; i++) {
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mpt_write(mpt, MPT_OFFSET_DOORBELL, *data32++);
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if (mpt_wait_db_ack(mpt) != MPT_OK) {
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mpt_prt(mpt,
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"mpt_send_handshake_cmd timeout! index = %d", i);
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return ETIMEDOUT;
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}
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}
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return MPT_OK;
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}
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/* Get the response from the handshake register */
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int
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mpt_recv_handshake_reply(mpt_softc_t *mpt, size_t reply_len, void *reply)
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{
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int left, reply_left;
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u_int16_t *data16;
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MSG_DEFAULT_REPLY *hdr;
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/* We move things out in 16 bit chunks */
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reply_len >>= 1;
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data16 = (u_int16_t *)reply;
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hdr = (MSG_DEFAULT_REPLY *)reply;
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/* Get first word */
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if (mpt_wait_db_int(mpt) != MPT_OK) {
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mpt_prt(mpt, "mpt_recv_handshake_cmd timeout1");
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return ETIMEDOUT;
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}
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*data16++ = mpt_read(mpt, MPT_OFFSET_DOORBELL) & MPT_DB_DATA_MASK;
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mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
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/* Get Second Word */
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if (mpt_wait_db_int(mpt) != MPT_OK) {
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mpt_prt(mpt, "mpt_recv_handshake_cmd timeout2");
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return ETIMEDOUT;
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}
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*data16++ = mpt_read(mpt, MPT_OFFSET_DOORBELL) & MPT_DB_DATA_MASK;
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mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
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/* With the second word, we can now look at the length */
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if (mpt->verbose > 1 && ((reply_len >> 1) != hdr->MsgLength)) {
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mpt_prt(mpt, "reply length does not match message length: "
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"got 0x%02x, expected 0x%02x",
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hdr->MsgLength << 2, reply_len << 1);
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}
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/* Get rest of the reply; but don't overflow the provided buffer */
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left = (hdr->MsgLength << 1) - 2;
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reply_left = reply_len - 2;
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while (left--) {
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u_int16_t datum;
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if (mpt_wait_db_int(mpt) != MPT_OK) {
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mpt_prt(mpt, "mpt_recv_handshake_cmd timeout3");
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return ETIMEDOUT;
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}
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datum = mpt_read(mpt, MPT_OFFSET_DOORBELL);
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if (reply_left-- > 0)
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*data16++ = datum & MPT_DB_DATA_MASK;
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mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
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}
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/* One more wait & clear at the end */
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if (mpt_wait_db_int(mpt) != MPT_OK) {
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mpt_prt(mpt, "mpt_recv_handshake_cmd timeout4");
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return ETIMEDOUT;
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}
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mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
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if ((hdr->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
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if (mpt->verbose > 1)
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mpt_print_reply(hdr);
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return (MPT_FAIL | hdr->IOCStatus);
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}
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return (0);
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}
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static int
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mpt_get_iocfacts(mpt_softc_t *mpt, MSG_IOC_FACTS_REPLY *freplp)
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{
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MSG_IOC_FACTS f_req;
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int error;
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bzero(&f_req, sizeof f_req);
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f_req.Function = MPI_FUNCTION_IOC_FACTS;
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f_req.MsgContext = 0x12071942;
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error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req);
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if (error)
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return(error);
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error = mpt_recv_handshake_reply(mpt, sizeof (*freplp), freplp);
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return (error);
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}
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static int
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mpt_get_portfacts(mpt_softc_t *mpt, MSG_PORT_FACTS_REPLY *freplp)
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{
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MSG_PORT_FACTS f_req;
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int error;
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/* XXX: Only getting PORT FACTS for Port 0 */
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bzero(&f_req, sizeof f_req);
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f_req.Function = MPI_FUNCTION_PORT_FACTS;
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f_req.MsgContext = 0x12071943;
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error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req);
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if (error)
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return(error);
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error = mpt_recv_handshake_reply(mpt, sizeof (*freplp), freplp);
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return (error);
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}
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/*
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* Send the initialization request. This is where we specify how many
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* SCSI busses and how many devices per bus we wish to emulate.
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* This is also the command that specifies the max size of the reply
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* frames from the IOC that we will be allocating.
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*/
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static int
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mpt_send_ioc_init(mpt_softc_t *mpt, u_int32_t who)
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{
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int error = 0;
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MSG_IOC_INIT init;
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MSG_IOC_INIT_REPLY reply;
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bzero(&init, sizeof init);
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init.WhoInit = who;
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init.Function = MPI_FUNCTION_IOC_INIT;
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if (mpt->is_fc) {
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init.MaxDevices = 255;
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} else {
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init.MaxDevices = 16;
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}
|
|
init.MaxBuses = 1;
|
|
init.ReplyFrameSize = MPT_REPLY_SIZE;
|
|
init.MsgContext = 0x12071941;
|
|
|
|
if ((error = mpt_send_handshake_cmd(mpt, sizeof init, &init)) != 0) {
|
|
return(error);
|
|
}
|
|
|
|
error = mpt_recv_handshake_reply(mpt, sizeof reply, &reply);
|
|
return (error);
|
|
}
|
|
|
|
|
|
/*
|
|
* Utiltity routine to read configuration headers and pages
|
|
*/
|
|
|
|
static int
|
|
mpt_read_cfg_header(mpt_softc_t *, int, int, int, CONFIG_PAGE_HEADER *);
|
|
|
|
static int
|
|
mpt_read_cfg_header(mpt_softc_t *mpt, int PageType, int PageNumber,
|
|
int PageAddress, CONFIG_PAGE_HEADER *rslt)
|
|
{
|
|
int count;
|
|
request_t *req;
|
|
MSG_CONFIG *cfgp;
|
|
MSG_CONFIG_REPLY *reply;
|
|
|
|
req = mpt_get_request(mpt);
|
|
|
|
cfgp = req->req_vbuf;
|
|
bzero(cfgp, sizeof *cfgp);
|
|
|
|
cfgp->Action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
cfgp->Function = MPI_FUNCTION_CONFIG;
|
|
cfgp->Header.PageNumber = (U8) PageNumber;
|
|
cfgp->Header.PageType = (U8) PageType;
|
|
cfgp->PageAddress = PageAddress;
|
|
MPI_pSGE_SET_FLAGS(((SGE_SIMPLE32 *) &cfgp->PageBufferSGE),
|
|
(MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
|
|
MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST));
|
|
cfgp->MsgContext = req->index | 0x80000000;
|
|
|
|
mpt_check_doorbell(mpt);
|
|
mpt_send_cmd(mpt, req);
|
|
count = 0;
|
|
do {
|
|
DELAY(500);
|
|
mpt_intr(mpt);
|
|
if (++count == 1000) {
|
|
mpt_prt(mpt, "read_cfg_header timed out");
|
|
return (-1);
|
|
}
|
|
} while (req->debug == REQ_ON_CHIP);
|
|
|
|
reply = (MSG_CONFIG_REPLY *) MPT_REPLY_PTOV(mpt, req->sequence);
|
|
if ((reply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
|
|
mpt_prt(mpt, "mpt_read_cfg_header: Config Info Status %x",
|
|
reply->IOCStatus);
|
|
mpt_free_reply(mpt, (req->sequence << 1));
|
|
return (-1);
|
|
}
|
|
bcopy(&reply->Header, rslt, sizeof (CONFIG_PAGE_HEADER));
|
|
mpt_free_reply(mpt, (req->sequence << 1));
|
|
mpt_free_request(mpt, req);
|
|
return (0);
|
|
}
|
|
|
|
#define CFG_DATA_OFF 128
|
|
|
|
int
|
|
mpt_read_cfg_page(mpt_softc_t *mpt, int PageAddress, CONFIG_PAGE_HEADER *hdr)
|
|
{
|
|
int count;
|
|
request_t *req;
|
|
SGE_SIMPLE32 *se;
|
|
MSG_CONFIG *cfgp;
|
|
size_t amt;
|
|
MSG_CONFIG_REPLY *reply;
|
|
|
|
req = mpt_get_request(mpt);
|
|
|
|
cfgp = req->req_vbuf;
|
|
bzero(cfgp, MPT_REQUEST_AREA);
|
|
cfgp->Action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
cfgp->Function = MPI_FUNCTION_CONFIG;
|
|
cfgp->Header = *hdr;
|
|
amt = (cfgp->Header.PageLength * sizeof (u_int32_t));
|
|
cfgp->Header.PageType &= MPI_CONFIG_PAGETYPE_MASK;
|
|
cfgp->PageAddress = PageAddress;
|
|
se = (SGE_SIMPLE32 *) &cfgp->PageBufferSGE;
|
|
se->Address = req->req_pbuf + CFG_DATA_OFF;
|
|
MPI_pSGE_SET_LENGTH(se, amt);
|
|
MPI_pSGE_SET_FLAGS(se, (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
|
|
MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
|
|
MPI_SGE_FLAGS_END_OF_LIST));
|
|
|
|
cfgp->MsgContext = req->index | 0x80000000;
|
|
|
|
mpt_check_doorbell(mpt);
|
|
mpt_send_cmd(mpt, req);
|
|
count = 0;
|
|
do {
|
|
DELAY(500);
|
|
mpt_intr(mpt);
|
|
if (++count == 1000) {
|
|
mpt_prt(mpt, "read_cfg_page timed out");
|
|
return (-1);
|
|
}
|
|
} while (req->debug == REQ_ON_CHIP);
|
|
|
|
reply = (MSG_CONFIG_REPLY *) MPT_REPLY_PTOV(mpt, req->sequence);
|
|
if ((reply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
|
|
mpt_prt(mpt, "mpt_read_cfg_page: Config Info Status %x",
|
|
reply->IOCStatus);
|
|
mpt_free_reply(mpt, (req->sequence << 1));
|
|
return (-1);
|
|
}
|
|
mpt_free_reply(mpt, (req->sequence << 1));
|
|
bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
|
|
BUS_DMASYNC_POSTREAD);
|
|
if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_PORT &&
|
|
cfgp->Header.PageNumber == 0) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_PORT_0);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_PORT &&
|
|
cfgp->Header.PageNumber == 1) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_PORT_1);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_PORT &&
|
|
cfgp->Header.PageNumber == 2) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_PORT_2);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_DEVICE &&
|
|
cfgp->Header.PageNumber == 0) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_DEVICE_0);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_DEVICE &&
|
|
cfgp->Header.PageNumber == 1) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_DEVICE_1);
|
|
}
|
|
bcopy(((caddr_t)req->req_vbuf)+CFG_DATA_OFF, hdr, amt);
|
|
mpt_free_request(mpt, req);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
mpt_write_cfg_page(mpt_softc_t *mpt, int PageAddress, CONFIG_PAGE_HEADER *hdr)
|
|
{
|
|
int count, hdr_attr;
|
|
request_t *req;
|
|
SGE_SIMPLE32 *se;
|
|
MSG_CONFIG *cfgp;
|
|
size_t amt;
|
|
MSG_CONFIG_REPLY *reply;
|
|
|
|
req = mpt_get_request(mpt);
|
|
|
|
cfgp = req->req_vbuf;
|
|
bzero(cfgp, sizeof *cfgp);
|
|
|
|
hdr_attr = hdr->PageType & MPI_CONFIG_PAGEATTR_MASK;
|
|
if (hdr_attr != MPI_CONFIG_PAGEATTR_CHANGEABLE &&
|
|
hdr_attr != MPI_CONFIG_PAGEATTR_PERSISTENT) {
|
|
mpt_prt(mpt, "page type 0x%x not changeable",
|
|
hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
|
|
return (-1);
|
|
}
|
|
hdr->PageType &= MPI_CONFIG_PAGETYPE_MASK;
|
|
|
|
cfgp->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
|
|
cfgp->Function = MPI_FUNCTION_CONFIG;
|
|
cfgp->Header = *hdr;
|
|
amt = (cfgp->Header.PageLength * sizeof (u_int32_t));
|
|
cfgp->PageAddress = PageAddress;
|
|
|
|
se = (SGE_SIMPLE32 *) &cfgp->PageBufferSGE;
|
|
se->Address = req->req_pbuf + CFG_DATA_OFF;
|
|
MPI_pSGE_SET_LENGTH(se, amt);
|
|
MPI_pSGE_SET_FLAGS(se, (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
|
|
MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
|
|
MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_HOST_TO_IOC));
|
|
|
|
cfgp->MsgContext = req->index | 0x80000000;
|
|
|
|
if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_PORT &&
|
|
cfgp->Header.PageNumber == 0) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_PORT_0);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_PORT &&
|
|
cfgp->Header.PageNumber == 1) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_PORT_1);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_PORT &&
|
|
cfgp->Header.PageNumber == 2) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_PORT_2);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_DEVICE &&
|
|
cfgp->Header.PageNumber == 0) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_DEVICE_0);
|
|
} else if (cfgp->Header.PageType == MPI_CONFIG_PAGETYPE_SCSI_DEVICE &&
|
|
cfgp->Header.PageNumber == 1) {
|
|
amt = sizeof (CONFIG_PAGE_SCSI_DEVICE_1);
|
|
}
|
|
bcopy(hdr, ((caddr_t)req->req_vbuf)+CFG_DATA_OFF, amt);
|
|
/* Restore stripped out attributes */
|
|
hdr->PageType |= hdr_attr;
|
|
|
|
mpt_check_doorbell(mpt);
|
|
mpt_send_cmd(mpt, req);
|
|
count = 0;
|
|
do {
|
|
DELAY(500);
|
|
mpt_intr(mpt);
|
|
if (++count == 1000) {
|
|
hdr->PageType |= hdr_attr;
|
|
mpt_prt(mpt, "mpt_write_cfg_page timed out");
|
|
return (-1);
|
|
}
|
|
} while (req->debug == REQ_ON_CHIP);
|
|
|
|
reply = (MSG_CONFIG_REPLY *) MPT_REPLY_PTOV(mpt, req->sequence);
|
|
if ((reply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
|
|
mpt_prt(mpt, "mpt_write_cfg_page: Config Info Status %x",
|
|
reply->IOCStatus);
|
|
mpt_free_reply(mpt, (req->sequence << 1));
|
|
return (-1);
|
|
}
|
|
mpt_free_reply(mpt, (req->sequence << 1));
|
|
|
|
mpt_free_request(mpt, req);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Read SCSI configuration information
|
|
*/
|
|
static int
|
|
mpt_read_config_info_spi(mpt_softc_t *mpt)
|
|
{
|
|
int rv, i;
|
|
|
|
rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0,
|
|
0, &mpt->mpt_port_page0.Header);
|
|
if (rv) {
|
|
return (-1);
|
|
}
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "SPI Port Page 0 Header: %x %x %x %x",
|
|
mpt->mpt_port_page0.Header.PageVersion,
|
|
mpt->mpt_port_page0.Header.PageLength,
|
|
mpt->mpt_port_page0.Header.PageNumber,
|
|
mpt->mpt_port_page0.Header.PageType);
|
|
}
|
|
|
|
rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1,
|
|
0, &mpt->mpt_port_page1.Header);
|
|
if (rv) {
|
|
return (-1);
|
|
}
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "SPI Port Page 1 Header: %x %x %x %x",
|
|
mpt->mpt_port_page1.Header.PageVersion,
|
|
mpt->mpt_port_page1.Header.PageLength,
|
|
mpt->mpt_port_page1.Header.PageNumber,
|
|
mpt->mpt_port_page1.Header.PageType);
|
|
}
|
|
|
|
rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2,
|
|
0, &mpt->mpt_port_page2.Header);
|
|
if (rv) {
|
|
return (-1);
|
|
}
|
|
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "SPI Port Page 2 Header: %x %x %x %x",
|
|
mpt->mpt_port_page1.Header.PageVersion,
|
|
mpt->mpt_port_page1.Header.PageLength,
|
|
mpt->mpt_port_page1.Header.PageNumber,
|
|
mpt->mpt_port_page1.Header.PageType);
|
|
}
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE,
|
|
0, i, &mpt->mpt_dev_page0[i].Header);
|
|
if (rv) {
|
|
return (-1);
|
|
}
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Target %d Device Page 0 Header: %x %x %x %x",
|
|
i, mpt->mpt_dev_page0[i].Header.PageVersion,
|
|
mpt->mpt_dev_page0[i].Header.PageLength,
|
|
mpt->mpt_dev_page0[i].Header.PageNumber,
|
|
mpt->mpt_dev_page0[i].Header.PageType);
|
|
}
|
|
|
|
rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE,
|
|
1, i, &mpt->mpt_dev_page1[i].Header);
|
|
if (rv) {
|
|
return (-1);
|
|
}
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Target %d Device Page 1 Header: %x %x %x %x",
|
|
i, mpt->mpt_dev_page1[i].Header.PageVersion,
|
|
mpt->mpt_dev_page1[i].Header.PageLength,
|
|
mpt->mpt_dev_page1[i].Header.PageNumber,
|
|
mpt->mpt_dev_page1[i].Header.PageType);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* At this point, we don't *have* to fail. As long as we have
|
|
* valid config header information, we can (barely) lurch
|
|
* along.
|
|
*/
|
|
|
|
rv = mpt_read_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header);
|
|
if (rv) {
|
|
mpt_prt(mpt, "failed to read SPI Port Page 0");
|
|
} else if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Port Page 0: Capabilities %x PhysicalInterface %x",
|
|
mpt->mpt_port_page0.Capabilities,
|
|
mpt->mpt_port_page0.PhysicalInterface);
|
|
}
|
|
|
|
rv = mpt_read_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header);
|
|
if (rv) {
|
|
mpt_prt(mpt, "failed to read SPI Port Page 1");
|
|
} else if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Port Page 1: Configuration %x OnBusTimerValue %x",
|
|
mpt->mpt_port_page1.Configuration,
|
|
mpt->mpt_port_page1.OnBusTimerValue);
|
|
}
|
|
|
|
rv = mpt_read_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header);
|
|
if (rv) {
|
|
mpt_prt(mpt, "failed to read SPI Port Page 2");
|
|
} else if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Port Page 2: Flags %x Settings %x",
|
|
mpt->mpt_port_page2.PortFlags,
|
|
mpt->mpt_port_page2.PortSettings);
|
|
for (i = 0; i < 16; i++) {
|
|
mpt_prt(mpt,
|
|
"SPI Port Page 2 Tgt %d: timo %x SF %x Flags %x",
|
|
i, mpt->mpt_port_page2.DeviceSettings[i].Timeout,
|
|
mpt->mpt_port_page2.DeviceSettings[i].SyncFactor,
|
|
mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
rv = mpt_read_cfg_page(mpt, i, &mpt->mpt_dev_page0[i].Header);
|
|
if (rv) {
|
|
mpt_prt(mpt, "cannot read SPI Tgt %d Device Page 0", i);
|
|
continue;
|
|
}
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Tgt %d Page 0: NParms %x Information %x",
|
|
i, mpt->mpt_dev_page0[i].NegotiatedParameters,
|
|
mpt->mpt_dev_page0[i].Information);
|
|
}
|
|
rv = mpt_read_cfg_page(mpt, i, &mpt->mpt_dev_page1[i].Header);
|
|
if (rv) {
|
|
mpt_prt(mpt, "cannot read SPI Tgt %d Device Page 1", i);
|
|
continue;
|
|
}
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Tgt %d Page 1: RParms %x Configuration %x",
|
|
i, mpt->mpt_dev_page1[i].RequestedParameters,
|
|
mpt->mpt_dev_page1[i].Configuration);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Validate SPI configuration information.
|
|
*
|
|
* In particular, validate SPI Port Page 1.
|
|
*/
|
|
static int
|
|
mpt_set_initial_config_spi(mpt_softc_t *mpt)
|
|
{
|
|
int i, pp1val = ((1 << mpt->mpt_ini_id) << 16) | mpt->mpt_ini_id;
|
|
|
|
mpt->mpt_disc_enable = 0xff;
|
|
mpt->mpt_tag_enable = 0;
|
|
|
|
if (mpt->mpt_port_page1.Configuration != pp1val) {
|
|
CONFIG_PAGE_SCSI_PORT_1 tmp;
|
|
mpt_prt(mpt,
|
|
"SPI Port Page 1 Config value bad (%x)- should be %x",
|
|
mpt->mpt_port_page1.Configuration, pp1val);
|
|
tmp = mpt->mpt_port_page1;
|
|
tmp.Configuration = pp1val;
|
|
if (mpt_write_cfg_page(mpt, 0, &tmp.Header)) {
|
|
return (-1);
|
|
}
|
|
if (mpt_read_cfg_page(mpt, 0, &tmp.Header)) {
|
|
return (-1);
|
|
}
|
|
if (tmp.Configuration != pp1val) {
|
|
mpt_prt(mpt,
|
|
"failed to reset SPI Port Page 1 Config value");
|
|
return (-1);
|
|
}
|
|
mpt->mpt_port_page1 = tmp;
|
|
}
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
CONFIG_PAGE_SCSI_DEVICE_1 tmp;
|
|
tmp = mpt->mpt_dev_page1[i];
|
|
tmp.RequestedParameters = 0;
|
|
tmp.Configuration = 0;
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"Set Tgt %d SPI DevicePage 1 values to %x 0 %x",
|
|
i, tmp.RequestedParameters, tmp.Configuration);
|
|
}
|
|
if (mpt_write_cfg_page(mpt, i, &tmp.Header)) {
|
|
return (-1);
|
|
}
|
|
if (mpt_read_cfg_page(mpt, i, &tmp.Header)) {
|
|
return (-1);
|
|
}
|
|
mpt->mpt_dev_page1[i] = tmp;
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"SPI Tgt %d Page 1: RParm %x Configuration %x", i,
|
|
mpt->mpt_dev_page1[i].RequestedParameters,
|
|
mpt->mpt_dev_page1[i].Configuration);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Enable IOC port
|
|
*/
|
|
static int
|
|
mpt_send_port_enable(mpt_softc_t *mpt, int port)
|
|
{
|
|
int count;
|
|
request_t *req;
|
|
MSG_PORT_ENABLE *enable_req;
|
|
|
|
req = mpt_get_request(mpt);
|
|
|
|
enable_req = req->req_vbuf;
|
|
bzero(enable_req, sizeof *enable_req);
|
|
|
|
enable_req->Function = MPI_FUNCTION_PORT_ENABLE;
|
|
enable_req->MsgContext = req->index | 0x80000000;
|
|
enable_req->PortNumber = port;
|
|
|
|
mpt_check_doorbell(mpt);
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "enabling port %d", port);
|
|
}
|
|
mpt_send_cmd(mpt, req);
|
|
|
|
count = 0;
|
|
do {
|
|
DELAY(500);
|
|
mpt_intr(mpt);
|
|
if (++count == 100000) {
|
|
mpt_prt(mpt, "port enable timed out");
|
|
return (-1);
|
|
}
|
|
} while (req->debug == REQ_ON_CHIP);
|
|
mpt_free_request(mpt, req);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Enable/Disable asynchronous event reporting.
|
|
*
|
|
* NB: this is the first command we send via shared memory
|
|
* instead of the handshake register.
|
|
*/
|
|
static int
|
|
mpt_send_event_request(mpt_softc_t *mpt, int onoff)
|
|
{
|
|
request_t *req;
|
|
MSG_EVENT_NOTIFY *enable_req;
|
|
|
|
req = mpt_get_request(mpt);
|
|
|
|
enable_req = req->req_vbuf;
|
|
bzero(enable_req, sizeof *enable_req);
|
|
|
|
enable_req->Function = MPI_FUNCTION_EVENT_NOTIFICATION;
|
|
enable_req->MsgContext = req->index | 0x80000000;
|
|
enable_req->Switch = onoff;
|
|
|
|
mpt_check_doorbell(mpt);
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "%sabling async events", onoff? "en" : "dis");
|
|
}
|
|
mpt_send_cmd(mpt, req);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Un-mask the interupts on the chip.
|
|
*/
|
|
void
|
|
mpt_enable_ints(mpt_softc_t *mpt)
|
|
{
|
|
/* Unmask every thing except door bell int */
|
|
mpt_write(mpt, MPT_OFFSET_INTR_MASK, MPT_INTR_DB_MASK);
|
|
}
|
|
|
|
/*
|
|
* Mask the interupts on the chip.
|
|
*/
|
|
void
|
|
mpt_disable_ints(mpt_softc_t *mpt)
|
|
{
|
|
/* Mask all interrupts */
|
|
mpt_write(mpt, MPT_OFFSET_INTR_MASK,
|
|
MPT_INTR_REPLY_MASK | MPT_INTR_DB_MASK);
|
|
}
|
|
|
|
/* (Re)Initialize the chip for use */
|
|
int
|
|
mpt_init(mpt_softc_t *mpt, u_int32_t who)
|
|
{
|
|
int try;
|
|
MSG_IOC_FACTS_REPLY facts;
|
|
MSG_PORT_FACTS_REPLY pfp;
|
|
u_int32_t pptr;
|
|
int val;
|
|
|
|
/* Put all request buffers (back) on the free list */
|
|
SLIST_INIT(&mpt->request_free_list);
|
|
for (val = 0; val < MPT_MAX_REQUESTS(mpt); val++) {
|
|
mpt_free_request(mpt, &mpt->request_pool[val]);
|
|
}
|
|
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "doorbell req = %s",
|
|
mpt_ioc_diag(mpt_read(mpt, MPT_OFFSET_DOORBELL)));
|
|
}
|
|
|
|
/*
|
|
* Start by making sure we're not at FAULT or RESET state
|
|
*/
|
|
switch (mpt_rd_db(mpt) & MPT_DB_STATE_MASK) {
|
|
case MPT_DB_STATE_RESET:
|
|
case MPT_DB_STATE_FAULT:
|
|
if (mpt_reset(mpt) != MPT_OK) {
|
|
return (EIO);
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
for (try = 0; try < MPT_MAX_TRYS; try++) {
|
|
/*
|
|
* No need to reset if the IOC is already in the READY state.
|
|
*
|
|
* Force reset if initialization failed previously.
|
|
* Note that a hard_reset of the second channel of a '929
|
|
* will stop operation of the first channel. Hopefully, if the
|
|
* first channel is ok, the second will not require a hard
|
|
* reset.
|
|
*/
|
|
if ((mpt_rd_db(mpt) & MPT_DB_STATE_MASK) !=
|
|
MPT_DB_STATE_READY) {
|
|
if (mpt_reset(mpt) != MPT_OK) {
|
|
DELAY(10000);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (mpt_get_iocfacts(mpt, &facts) != MPT_OK) {
|
|
mpt_prt(mpt, "mpt_get_iocfacts failed");
|
|
continue;
|
|
}
|
|
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"IOCFACTS: GlobalCredits=%d BlockSize=%u "
|
|
"Request Frame Size %u\n", facts.GlobalCredits,
|
|
facts.BlockSize, facts.RequestFrameSize);
|
|
}
|
|
mpt->mpt_global_credits = facts.GlobalCredits;
|
|
mpt->request_frame_size = facts.RequestFrameSize;
|
|
|
|
if (mpt_get_portfacts(mpt, &pfp) != MPT_OK) {
|
|
mpt_prt(mpt, "mpt_get_portfacts failed");
|
|
continue;
|
|
}
|
|
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt,
|
|
"PORTFACTS: Type %x PFlags %x IID %d MaxDev %d\n",
|
|
pfp.PortType, pfp.ProtocolFlags, pfp.PortSCSIID,
|
|
pfp.MaxDevices);
|
|
}
|
|
|
|
if (pfp.PortType != MPI_PORTFACTS_PORTTYPE_SCSI &&
|
|
pfp.PortType != MPI_PORTFACTS_PORTTYPE_FC) {
|
|
mpt_prt(mpt, "Unsupported Port Type (%x)",
|
|
pfp.PortType);
|
|
return (ENXIO);
|
|
}
|
|
if (!(pfp.ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR)) {
|
|
mpt_prt(mpt, "initiator role unsupported");
|
|
return (ENXIO);
|
|
}
|
|
if (pfp.PortType == MPI_PORTFACTS_PORTTYPE_FC) {
|
|
mpt->is_fc = 1;
|
|
} else {
|
|
mpt->is_fc = 0;
|
|
}
|
|
mpt->mpt_ini_id = pfp.PortSCSIID;
|
|
|
|
if (mpt_send_ioc_init(mpt, who) != MPT_OK) {
|
|
mpt_prt(mpt, "mpt_send_ioc_init failed");
|
|
continue;
|
|
}
|
|
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "mpt_send_ioc_init ok");
|
|
}
|
|
|
|
if (mpt_wait_state(mpt, MPT_DB_STATE_RUNNING) != MPT_OK) {
|
|
mpt_prt(mpt, "IOC failed to go to run state");
|
|
continue;
|
|
}
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "IOC now at RUNSTATE");
|
|
}
|
|
|
|
/*
|
|
* Give it reply buffers
|
|
*
|
|
* Do *not* except global credits.
|
|
*/
|
|
for (val = 0, pptr = mpt->reply_phys;
|
|
(pptr + MPT_REPLY_SIZE) < (mpt->reply_phys + PAGE_SIZE);
|
|
pptr += MPT_REPLY_SIZE) {
|
|
mpt_free_reply(mpt, pptr);
|
|
if (++val == mpt->mpt_global_credits - 1)
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Enable asynchronous event reporting
|
|
*/
|
|
mpt_send_event_request(mpt, 1);
|
|
|
|
|
|
/*
|
|
* Read set up initial configuration information
|
|
* (SPI only for now)
|
|
*/
|
|
|
|
if (mpt->is_fc == 0) {
|
|
if (mpt_read_config_info_spi(mpt)) {
|
|
return (EIO);
|
|
}
|
|
if (mpt_set_initial_config_spi(mpt)) {
|
|
return (EIO);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now enable the port
|
|
*/
|
|
if (mpt_send_port_enable(mpt, 0) != MPT_OK) {
|
|
mpt_prt(mpt, "failed to enable port 0");
|
|
continue;
|
|
}
|
|
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "enabled port 0");
|
|
}
|
|
|
|
/* Everything worked */
|
|
break;
|
|
}
|
|
|
|
if (try >= MPT_MAX_TRYS) {
|
|
mpt_prt(mpt, "failed to initialize IOC");
|
|
return (EIO);
|
|
}
|
|
|
|
if (mpt->verbose > 1) {
|
|
mpt_prt(mpt, "enabling interrupts");
|
|
}
|
|
|
|
mpt_enable_ints(mpt);
|
|
return (0);
|
|
}
|