da01111344
It is meant to notify the applications which will be waiting for some controller events to be occured. Reviewed by: ambrisko MFC after: 2 weeks Sponsored by: AVAGO Technologies
4040 lines
133 KiB
C
4040 lines
133 KiB
C
/*
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* Copyright (c) 2014, LSI Corp.
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* All rights reserved.
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* Author: Marian Choy
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* Support: freebsdraid@lsi.com
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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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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of the <ORGANIZATION> nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation
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* are those of the authors and should not be interpreted as representing
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* official policies,either expressed or implied, of the FreeBSD Project.
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*
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* Send feedback to: <megaraidfbsd@lsi.com>
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* Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
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* ATTN: MegaRaid FreeBSD
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <dev/mrsas/mrsas.h>
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#include <dev/mrsas/mrsas_ioctl.h>
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include <sys/kthread.h>
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#include <sys/taskqueue.h>
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#include <sys/smp.h>
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/*
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* Function prototypes
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*/
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static d_open_t mrsas_open;
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static d_close_t mrsas_close;
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static d_read_t mrsas_read;
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static d_write_t mrsas_write;
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static d_ioctl_t mrsas_ioctl;
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static d_poll_t mrsas_poll;
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static struct mrsas_mgmt_info mrsas_mgmt_info;
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static struct mrsas_ident *mrsas_find_ident(device_t);
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static int mrsas_setup_msix(struct mrsas_softc *sc);
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static int mrsas_allocate_msix(struct mrsas_softc *sc);
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static void mrsas_shutdown_ctlr(struct mrsas_softc *sc, u_int32_t opcode);
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static void mrsas_flush_cache(struct mrsas_softc *sc);
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static void mrsas_reset_reply_desc(struct mrsas_softc *sc);
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static void mrsas_ocr_thread(void *arg);
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static int mrsas_get_map_info(struct mrsas_softc *sc);
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static int mrsas_get_ld_map_info(struct mrsas_softc *sc);
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static int mrsas_sync_map_info(struct mrsas_softc *sc);
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static int mrsas_get_pd_list(struct mrsas_softc *sc);
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static int mrsas_get_ld_list(struct mrsas_softc *sc);
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static int mrsas_setup_irq(struct mrsas_softc *sc);
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static int mrsas_alloc_mem(struct mrsas_softc *sc);
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static int mrsas_init_fw(struct mrsas_softc *sc);
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static int mrsas_setup_raidmap(struct mrsas_softc *sc);
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static int mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t MSIxIndex);
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static int mrsas_clear_intr(struct mrsas_softc *sc);
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static int mrsas_get_ctrl_info(struct mrsas_softc *sc,
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struct mrsas_ctrl_info *ctrl_info);
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static int mrsas_issue_blocked_abort_cmd(struct mrsas_softc *sc,
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struct mrsas_mfi_cmd *cmd_to_abort);
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u_int32_t mrsas_read_reg(struct mrsas_softc *sc, int offset);
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u_int8_t mrsas_build_mptmfi_passthru(struct mrsas_softc *sc,
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struct mrsas_mfi_cmd *mfi_cmd);
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int mrsas_transition_to_ready(struct mrsas_softc *sc, int ocr);
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int mrsas_init_adapter(struct mrsas_softc *sc);
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int mrsas_alloc_mpt_cmds(struct mrsas_softc *sc);
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int mrsas_alloc_ioc_cmd(struct mrsas_softc *sc);
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int mrsas_alloc_ctlr_info_cmd(struct mrsas_softc *sc);
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int mrsas_ioc_init(struct mrsas_softc *sc);
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int mrsas_bus_scan(struct mrsas_softc *sc);
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int mrsas_issue_dcmd(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
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int mrsas_issue_polled(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
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int mrsas_reset_ctrl(struct mrsas_softc *sc);
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int mrsas_wait_for_outstanding(struct mrsas_softc *sc);
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int mrsas_issue_blocked_cmd(struct mrsas_softc *sc,
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struct mrsas_mfi_cmd *cmd);
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int mrsas_alloc_tmp_dcmd(struct mrsas_softc *sc, struct mrsas_tmp_dcmd *tcmd,
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int size);
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void mrsas_release_mfi_cmd(struct mrsas_mfi_cmd *cmd);
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void mrsas_wakeup(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
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void mrsas_complete_aen(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
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void mrsas_complete_abort(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
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void mrsas_disable_intr(struct mrsas_softc *sc);
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void mrsas_enable_intr(struct mrsas_softc *sc);
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void mrsas_free_ioc_cmd(struct mrsas_softc *sc);
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void mrsas_free_mem(struct mrsas_softc *sc);
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void mrsas_free_tmp_dcmd(struct mrsas_tmp_dcmd *tmp);
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void mrsas_isr(void *arg);
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void mrsas_teardown_intr(struct mrsas_softc *sc);
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void mrsas_addr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
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void mrsas_kill_hba (struct mrsas_softc *sc);
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void mrsas_aen_handler(struct mrsas_softc *sc);
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void mrsas_write_reg(struct mrsas_softc *sc, int offset,
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u_int32_t value);
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void mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
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u_int32_t req_desc_hi);
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void mrsas_free_ctlr_info_cmd(struct mrsas_softc *sc);
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void mrsas_complete_mptmfi_passthru(struct mrsas_softc *sc,
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struct mrsas_mfi_cmd *cmd, u_int8_t status);
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void mrsas_map_mpt_cmd_status(struct mrsas_mpt_cmd *cmd, u_int8_t status,
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u_int8_t extStatus);
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struct mrsas_mfi_cmd* mrsas_get_mfi_cmd(struct mrsas_softc *sc);
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MRSAS_REQUEST_DESCRIPTOR_UNION * mrsas_build_mpt_cmd(struct mrsas_softc *sc,
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struct mrsas_mfi_cmd *cmd);
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extern int mrsas_cam_attach(struct mrsas_softc *sc);
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extern void mrsas_cam_detach(struct mrsas_softc *sc);
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extern void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
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extern void mrsas_free_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
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extern int mrsas_alloc_mfi_cmds(struct mrsas_softc *sc);
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extern void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd);
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extern struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc);
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extern int mrsas_passthru(struct mrsas_softc *sc, void *arg, u_long ioctlCmd);
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extern uint8_t MR_ValidateMapInfo(struct mrsas_softc *sc);
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extern u_int16_t MR_GetLDTgtId(u_int32_t ld, MR_DRV_RAID_MAP_ALL *map);
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extern MR_LD_RAID *MR_LdRaidGet(u_int32_t ld, MR_DRV_RAID_MAP_ALL *map);
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extern void mrsas_xpt_freeze(struct mrsas_softc *sc);
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extern void mrsas_xpt_release(struct mrsas_softc *sc);
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extern MRSAS_REQUEST_DESCRIPTOR_UNION *mrsas_get_request_desc(struct mrsas_softc *sc,
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u_int16_t index);
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extern int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim);
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static int mrsas_alloc_evt_log_info_cmd(struct mrsas_softc *sc);
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static void mrsas_free_evt_log_info_cmd(struct mrsas_softc *sc);
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SYSCTL_NODE(_hw, OID_AUTO, mrsas, CTLFLAG_RD, 0, "MRSAS Driver Parameters");
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/**
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* PCI device struct and table
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*
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*/
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typedef struct mrsas_ident {
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uint16_t vendor;
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uint16_t device;
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uint16_t subvendor;
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uint16_t subdevice;
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const char *desc;
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} MRSAS_CTLR_ID;
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MRSAS_CTLR_ID device_table[] = {
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{0x1000, MRSAS_TBOLT, 0xffff, 0xffff, "LSI Thunderbolt SAS Controller"},
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{0x1000, MRSAS_INVADER, 0xffff, 0xffff, "LSI Invader SAS Controller"},
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{0x1000, MRSAS_FURY, 0xffff, 0xffff, "LSI Fury SAS Controller"},
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{0, 0, 0, 0, NULL}
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};
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/**
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* Character device entry points
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*
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*/
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static struct cdevsw mrsas_cdevsw = {
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.d_version = D_VERSION,
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.d_open = mrsas_open,
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.d_close = mrsas_close,
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.d_read = mrsas_read,
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.d_write = mrsas_write,
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.d_ioctl = mrsas_ioctl,
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.d_poll = mrsas_poll,
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.d_name = "mrsas",
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};
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MALLOC_DEFINE(M_MRSAS, "mrsasbuf", "Buffers for the MRSAS driver");
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/**
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* In the cdevsw routines, we find our softc by using the si_drv1 member
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* of struct cdev. We set this variable to point to our softc in our
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* attach routine when we create the /dev entry.
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*/
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int
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mrsas_open(struct cdev *dev, int oflags, int devtype, d_thread_t *td)
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{
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struct mrsas_softc *sc;
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sc = dev->si_drv1;
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return (0);
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}
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int
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mrsas_close(struct cdev *dev, int fflag, int devtype, d_thread_t *td)
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{
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struct mrsas_softc *sc;
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sc = dev->si_drv1;
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return (0);
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}
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int
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mrsas_read(struct cdev *dev, struct uio *uio, int ioflag)
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{
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struct mrsas_softc *sc;
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sc = dev->si_drv1;
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return (0);
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}
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int
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mrsas_write(struct cdev *dev, struct uio *uio, int ioflag)
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{
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struct mrsas_softc *sc;
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sc = dev->si_drv1;
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return (0);
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}
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/**
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* Register Read/Write Functions
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*
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*/
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void
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mrsas_write_reg(struct mrsas_softc *sc, int offset,
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u_int32_t value)
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{
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bus_space_tag_t bus_tag = sc->bus_tag;
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bus_space_handle_t bus_handle = sc->bus_handle;
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bus_space_write_4(bus_tag, bus_handle, offset, value);
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}
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u_int32_t
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mrsas_read_reg(struct mrsas_softc *sc, int offset)
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{
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bus_space_tag_t bus_tag = sc->bus_tag;
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bus_space_handle_t bus_handle = sc->bus_handle;
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return((u_int32_t)bus_space_read_4(bus_tag, bus_handle, offset));
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}
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/**
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* Interrupt Disable/Enable/Clear Functions
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*
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*/
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void mrsas_disable_intr(struct mrsas_softc *sc)
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{
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u_int32_t mask = 0xFFFFFFFF;
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u_int32_t status;
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mrsas_write_reg(sc, offsetof(mrsas_reg_set, outbound_intr_mask), mask);
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/* Dummy read to force pci flush */
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status = mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_intr_mask));
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}
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void mrsas_enable_intr(struct mrsas_softc *sc)
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{
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u_int32_t mask = MFI_FUSION_ENABLE_INTERRUPT_MASK;
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u_int32_t status;
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mrsas_write_reg(sc, offsetof(mrsas_reg_set, outbound_intr_status), ~0);
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status = mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_intr_status));
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mrsas_write_reg(sc, offsetof(mrsas_reg_set, outbound_intr_mask), ~mask);
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status = mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_intr_mask));
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}
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static int mrsas_clear_intr(struct mrsas_softc *sc)
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{
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u_int32_t status, fw_status, fw_state;
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/* Read received interrupt */
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status = mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_intr_status));
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/* If FW state change interrupt is received, write to it again to clear */
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if (status & MRSAS_FW_STATE_CHNG_INTERRUPT) {
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fw_status = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
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outbound_scratch_pad));
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fw_state = fw_status & MFI_STATE_MASK;
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if (fw_state == MFI_STATE_FAULT) {
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device_printf(sc->mrsas_dev, "FW is in FAULT state!\n");
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if(sc->ocr_thread_active)
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wakeup(&sc->ocr_chan);
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}
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mrsas_write_reg(sc, offsetof(mrsas_reg_set, outbound_intr_status), status);
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mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_intr_status));
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return(1);
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}
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/* Not our interrupt, so just return */
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if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK))
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return(0);
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/* We got a reply interrupt */
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return(1);
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}
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/**
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* PCI Support Functions
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*
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*/
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static struct mrsas_ident * mrsas_find_ident(device_t dev)
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{
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struct mrsas_ident *pci_device;
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for (pci_device=device_table; pci_device->vendor != 0; pci_device++)
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{
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if ((pci_device->vendor == pci_get_vendor(dev)) &&
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(pci_device->device == pci_get_device(dev)) &&
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((pci_device->subvendor == pci_get_subvendor(dev)) ||
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(pci_device->subvendor == 0xffff)) &&
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((pci_device->subdevice == pci_get_subdevice(dev)) ||
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(pci_device->subdevice == 0xffff)))
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return (pci_device);
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}
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return (NULL);
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}
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static int mrsas_probe(device_t dev)
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{
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static u_int8_t first_ctrl = 1;
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struct mrsas_ident *id;
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if ((id = mrsas_find_ident(dev)) != NULL) {
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if (first_ctrl) {
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printf("LSI MegaRAID SAS FreeBSD mrsas driver version: %s\n", MRSAS_VERSION);
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first_ctrl = 0;
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}
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device_set_desc(dev, id->desc);
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/* between BUS_PROBE_DEFAULT and BUS_PROBE_LOW_PRIORITY */
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return (-30);
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}
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return (ENXIO);
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}
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/**
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* mrsas_setup_sysctl: setup sysctl values for mrsas
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* input: Adapter instance soft state
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*
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* Setup sysctl entries for mrsas driver.
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*/
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static void
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mrsas_setup_sysctl(struct mrsas_softc *sc)
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{
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struct sysctl_ctx_list *sysctl_ctx = NULL;
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struct sysctl_oid *sysctl_tree = NULL;
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char tmpstr[80], tmpstr2[80];
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/*
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* Setup the sysctl variable so the user can change the debug level
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* on the fly.
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*/
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snprintf(tmpstr, sizeof(tmpstr), "MRSAS controller %d",
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device_get_unit(sc->mrsas_dev));
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snprintf(tmpstr2, sizeof(tmpstr2), "%d", device_get_unit(sc->mrsas_dev));
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sysctl_ctx = device_get_sysctl_ctx(sc->mrsas_dev);
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if (sysctl_ctx != NULL)
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sysctl_tree = device_get_sysctl_tree(sc->mrsas_dev);
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if (sysctl_tree == NULL) {
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sysctl_ctx_init(&sc->sysctl_ctx);
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sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
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SYSCTL_STATIC_CHILDREN(_hw_mrsas), OID_AUTO, tmpstr2,
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CTLFLAG_RD, 0, tmpstr);
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if (sc->sysctl_tree == NULL)
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return;
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sysctl_ctx = &sc->sysctl_ctx;
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sysctl_tree = sc->sysctl_tree;
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}
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SYSCTL_ADD_UINT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
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OID_AUTO, "disable_ocr", CTLFLAG_RW, &sc->disableOnlineCtrlReset, 0,
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"Disable the use of OCR");
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SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
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OID_AUTO, "driver_version", CTLFLAG_RD, MRSAS_VERSION,
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strlen(MRSAS_VERSION), "driver version");
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SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
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OID_AUTO, "reset_count", CTLFLAG_RD,
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&sc->reset_count, 0, "number of ocr from start of the day");
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SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
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OID_AUTO, "fw_outstanding", CTLFLAG_RD,
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&sc->fw_outstanding, 0, "FW outstanding commands");
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SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
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OID_AUTO, "io_cmds_highwater", CTLFLAG_RD,
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&sc->io_cmds_highwater, 0, "Max FW outstanding commands");
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|
|
SYSCTL_ADD_UINT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
|
|
OID_AUTO, "mrsas_debug", CTLFLAG_RW, &sc->mrsas_debug, 0,
|
|
"Driver debug level");
|
|
|
|
SYSCTL_ADD_UINT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
|
|
OID_AUTO, "mrsas_io_timeout", CTLFLAG_RW, &sc->mrsas_io_timeout,
|
|
0, "Driver IO timeout value in mili-second.");
|
|
|
|
SYSCTL_ADD_UINT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
|
|
OID_AUTO, "mrsas_fw_fault_check_delay", CTLFLAG_RW,
|
|
&sc->mrsas_fw_fault_check_delay,
|
|
0, "FW fault check thread delay in seconds. <default is 1 sec>");
|
|
|
|
SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
|
|
OID_AUTO, "reset_in_progress", CTLFLAG_RD,
|
|
&sc->reset_in_progress, 0, "ocr in progress status");
|
|
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_tunables: get tunable parameters.
|
|
* input: Adapter instance soft state
|
|
*
|
|
* Get tunable parameters. This will help to debug driver at boot time.
|
|
*/
|
|
static void
|
|
mrsas_get_tunables(struct mrsas_softc *sc)
|
|
{
|
|
char tmpstr[80];
|
|
|
|
/* XXX default to some debugging for now */
|
|
sc->mrsas_debug = MRSAS_FAULT;
|
|
sc->mrsas_io_timeout = MRSAS_IO_TIMEOUT;
|
|
sc->mrsas_fw_fault_check_delay = 1;
|
|
sc->reset_count = 0;
|
|
sc->reset_in_progress = 0;
|
|
|
|
/*
|
|
* Grab the global variables.
|
|
*/
|
|
TUNABLE_INT_FETCH("hw.mrsas.debug_level", &sc->mrsas_debug);
|
|
|
|
/* Grab the unit-instance variables */
|
|
snprintf(tmpstr, sizeof(tmpstr), "dev.mrsas.%d.debug_level",
|
|
device_get_unit(sc->mrsas_dev));
|
|
TUNABLE_INT_FETCH(tmpstr, &sc->mrsas_debug);
|
|
}
|
|
|
|
/**
|
|
* mrsas_alloc_evt_log_info cmd: Allocates memory to get event log information.
|
|
* Used to get sequence number at driver load time.
|
|
* input: Adapter soft state
|
|
*
|
|
* Allocates DMAable memory for the event log info internal command.
|
|
*/
|
|
int mrsas_alloc_evt_log_info_cmd(struct mrsas_softc *sc)
|
|
{
|
|
int el_info_size;
|
|
|
|
/* Allocate get event log info command */
|
|
el_info_size = sizeof(struct mrsas_evt_log_info);
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
1, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
el_info_size, // maxsize
|
|
1, // msegments
|
|
el_info_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->el_info_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate event log info tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->el_info_tag, (void **)&sc->el_info_mem,
|
|
BUS_DMA_NOWAIT, &sc->el_info_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate event log info cmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamap_load(sc->el_info_tag, sc->el_info_dmamap,
|
|
sc->el_info_mem, el_info_size, mrsas_addr_cb,
|
|
&sc->el_info_phys_addr, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load event log info cmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
memset(sc->el_info_mem, 0, el_info_size);
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_free_evt_info_cmd: Free memory for Event log info command
|
|
* input: Adapter soft state
|
|
*
|
|
* Deallocates memory for the event log info internal command.
|
|
*/
|
|
void mrsas_free_evt_log_info_cmd(struct mrsas_softc *sc)
|
|
{
|
|
if (sc->el_info_phys_addr)
|
|
bus_dmamap_unload(sc->el_info_tag, sc->el_info_dmamap);
|
|
if (sc->el_info_mem != NULL)
|
|
bus_dmamem_free(sc->el_info_tag, sc->el_info_mem, sc->el_info_dmamap);
|
|
if (sc->el_info_tag != NULL)
|
|
bus_dma_tag_destroy(sc->el_info_tag);
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_seq_num: Get latest event sequence number
|
|
* @sc: Adapter soft state
|
|
* @eli: Firmware event log sequence number information.
|
|
* Firmware maintains a log of all events in a non-volatile area.
|
|
* Driver get the sequence number using DCMD
|
|
* "MR_DCMD_CTRL_EVENT_GET_INFO" at driver load time.
|
|
*/
|
|
|
|
static int
|
|
mrsas_get_seq_num(struct mrsas_softc *sc,
|
|
struct mrsas_evt_log_info *eli)
|
|
{
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev, "Failed to get a free cmd\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
|
|
if (mrsas_alloc_evt_log_info_cmd(sc) != SUCCESS) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate evt log info cmd\n");
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0x0;
|
|
dcmd->sge_count = 1;
|
|
dcmd->flags = MFI_FRAME_DIR_READ;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = sizeof(struct mrsas_evt_log_info);
|
|
dcmd->opcode = MR_DCMD_CTRL_EVENT_GET_INFO;
|
|
dcmd->sgl.sge32[0].phys_addr = sc->el_info_phys_addr;
|
|
dcmd->sgl.sge32[0].length = sizeof(struct mrsas_evt_log_info);
|
|
|
|
mrsas_issue_blocked_cmd(sc, cmd);
|
|
|
|
/*
|
|
* Copy the data back into callers buffer
|
|
*/
|
|
memcpy(eli, sc->el_info_mem, sizeof(struct mrsas_evt_log_info));
|
|
mrsas_free_evt_log_info_cmd(sc);
|
|
mrsas_release_mfi_cmd(cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* mrsas_register_aen: Register for asynchronous event notification
|
|
* @sc: Adapter soft state
|
|
* @seq_num: Starting sequence number
|
|
* @class_locale: Class of the event
|
|
* This function subscribes for events beyond the @seq_num
|
|
* and type @class_locale.
|
|
*
|
|
* */
|
|
static int
|
|
mrsas_register_aen(struct mrsas_softc *sc, u_int32_t seq_num,
|
|
u_int32_t class_locale_word)
|
|
{
|
|
int ret_val;
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
union mrsas_evt_class_locale curr_aen;
|
|
union mrsas_evt_class_locale prev_aen;
|
|
|
|
/*
|
|
* If there an AEN pending already (aen_cmd), check if the
|
|
* class_locale of that pending AEN is inclusive of the new
|
|
* AEN request we currently have. If it is, then we don't have
|
|
* to do anything. In other words, whichever events the current
|
|
* AEN request is subscribing to, have already been subscribed
|
|
* to.
|
|
* If the old_cmd is _not_ inclusive, then we have to abort
|
|
* that command, form a class_locale that is superset of both
|
|
* old and current and re-issue to the FW
|
|
* */
|
|
|
|
curr_aen.word = class_locale_word;
|
|
|
|
if (sc->aen_cmd) {
|
|
|
|
prev_aen.word = sc->aen_cmd->frame->dcmd.mbox.w[1];
|
|
|
|
/*
|
|
* A class whose enum value is smaller is inclusive of all
|
|
* higher values. If a PROGRESS (= -1) was previously
|
|
* registered, then a new registration requests for higher
|
|
* classes need not be sent to FW. They are automatically
|
|
* included.
|
|
* Locale numbers don't have such hierarchy. They are bitmap values
|
|
*/
|
|
if ((prev_aen.members.class <= curr_aen.members.class) &&
|
|
!((prev_aen.members.locale & curr_aen.members.locale) ^
|
|
curr_aen.members.locale)) {
|
|
/*
|
|
* Previously issued event registration includes
|
|
* current request. Nothing to do.
|
|
*/
|
|
return 0;
|
|
} else {
|
|
curr_aen.members.locale |= prev_aen.members.locale;
|
|
|
|
if (prev_aen.members.class < curr_aen.members.class)
|
|
curr_aen.members.class = prev_aen.members.class;
|
|
|
|
sc->aen_cmd->abort_aen = 1;
|
|
ret_val = mrsas_issue_blocked_abort_cmd(sc,
|
|
sc->aen_cmd);
|
|
|
|
if (ret_val) {
|
|
printf("mrsas: Failed to abort "
|
|
"previous AEN command\n");
|
|
return ret_val;
|
|
}
|
|
}
|
|
}
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
|
|
if (!cmd)
|
|
return -ENOMEM;
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
|
|
memset(sc->evt_detail_mem, 0, sizeof(struct mrsas_evt_detail));
|
|
|
|
/*
|
|
* Prepare DCMD for aen registration
|
|
*/
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0x0;
|
|
dcmd->sge_count = 1;
|
|
dcmd->flags = MFI_FRAME_DIR_READ;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = sizeof(struct mrsas_evt_detail);
|
|
dcmd->opcode = MR_DCMD_CTRL_EVENT_WAIT;
|
|
dcmd->mbox.w[0] = seq_num;
|
|
sc->last_seq_num = seq_num;
|
|
dcmd->mbox.w[1] = curr_aen.word;
|
|
dcmd->sgl.sge32[0].phys_addr = (u_int32_t) sc->evt_detail_phys_addr;
|
|
dcmd->sgl.sge32[0].length = sizeof(struct mrsas_evt_detail);
|
|
|
|
if (sc->aen_cmd != NULL) {
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Store reference to the cmd used to register for AEN. When an
|
|
* application wants us to register for AEN, we have to abort this
|
|
* cmd and re-register with a new EVENT LOCALE supplied by that app
|
|
*/
|
|
sc->aen_cmd = cmd;
|
|
|
|
/*
|
|
Issue the aen registration frame
|
|
*/
|
|
if (mrsas_issue_dcmd(sc, cmd)){
|
|
device_printf(sc->mrsas_dev, "Cannot issue AEN DCMD command.\n");
|
|
return(1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/**
|
|
* mrsas_start_aen - Subscribes to AEN during driver load time
|
|
* @instance: Adapter soft state
|
|
*/
|
|
static int mrsas_start_aen(struct mrsas_softc *sc)
|
|
{
|
|
struct mrsas_evt_log_info eli;
|
|
union mrsas_evt_class_locale class_locale;
|
|
|
|
|
|
/* Get the latest sequence number from FW*/
|
|
|
|
memset(&eli, 0, sizeof(eli));
|
|
|
|
if (mrsas_get_seq_num(sc, &eli))
|
|
return -1;
|
|
|
|
/* Register AEN with FW for latest sequence number plus 1*/
|
|
class_locale.members.reserved = 0;
|
|
class_locale.members.locale = MR_EVT_LOCALE_ALL;
|
|
class_locale.members.class = MR_EVT_CLASS_DEBUG;
|
|
|
|
return mrsas_register_aen(sc, eli.newest_seq_num + 1,
|
|
class_locale.word);
|
|
|
|
}
|
|
|
|
/**
|
|
* mrsas_setup_msix: Allocate MSI-x vectors
|
|
* @sc: Adapter soft state
|
|
*/
|
|
static int mrsas_setup_msix(struct mrsas_softc *sc)
|
|
{
|
|
int i;
|
|
for (i = 0; i < sc->msix_vectors; i++) {
|
|
sc->irq_context[i].sc = sc;
|
|
sc->irq_context[i].MSIxIndex = i;
|
|
sc->irq_id[i] = i + 1;
|
|
sc->mrsas_irq[i] = bus_alloc_resource_any
|
|
(sc->mrsas_dev, SYS_RES_IRQ, &sc->irq_id[i]
|
|
, RF_ACTIVE);
|
|
if (sc->mrsas_irq[i] == NULL) {
|
|
device_printf(sc->mrsas_dev, "Can't allocate MSI-x\n");
|
|
goto irq_alloc_failed;
|
|
}
|
|
if (bus_setup_intr(sc->mrsas_dev,
|
|
sc->mrsas_irq[i],
|
|
INTR_MPSAFE|INTR_TYPE_CAM,
|
|
NULL, mrsas_isr, &sc->irq_context[i],
|
|
&sc->intr_handle[i])) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot set up MSI-x interrupt handler\n");
|
|
goto irq_alloc_failed;
|
|
}
|
|
}
|
|
return SUCCESS;
|
|
|
|
irq_alloc_failed:
|
|
mrsas_teardown_intr(sc);
|
|
return (FAIL);
|
|
}
|
|
|
|
/**
|
|
* mrsas_allocate_msix: Setup MSI-x vectors
|
|
* @sc: Adapter soft state
|
|
*/
|
|
static int mrsas_allocate_msix(struct mrsas_softc *sc)
|
|
{
|
|
if (pci_alloc_msix(sc->mrsas_dev, &sc->msix_vectors) == 0) {
|
|
device_printf(sc->mrsas_dev, "Using MSI-X with %d number"
|
|
" of vectors\n", sc->msix_vectors);
|
|
} else {
|
|
device_printf(sc->mrsas_dev, "MSI-x setup failed\n");
|
|
goto irq_alloc_failed;
|
|
}
|
|
return SUCCESS;
|
|
|
|
irq_alloc_failed:
|
|
mrsas_teardown_intr(sc);
|
|
return (FAIL);
|
|
}
|
|
/**
|
|
* mrsas_attach: PCI entry point
|
|
* input: device struct pointer
|
|
*
|
|
* Performs setup of PCI and registers, initializes mutexes and
|
|
* linked lists, registers interrupts and CAM, and initializes
|
|
* the adapter/controller to its proper state.
|
|
*/
|
|
static int mrsas_attach(device_t dev)
|
|
{
|
|
struct mrsas_softc *sc = device_get_softc(dev);
|
|
uint32_t cmd, bar, error;
|
|
|
|
/* Look up our softc and initialize its fields. */
|
|
sc->mrsas_dev = dev;
|
|
sc->device_id = pci_get_device(dev);
|
|
|
|
mrsas_get_tunables(sc);
|
|
|
|
/*
|
|
* Set up PCI and registers
|
|
*/
|
|
cmd = pci_read_config(dev, PCIR_COMMAND, 2);
|
|
if ( (cmd & PCIM_CMD_PORTEN) == 0) {
|
|
return (ENXIO);
|
|
}
|
|
/* Force the busmaster enable bit on. */
|
|
cmd |= PCIM_CMD_BUSMASTEREN;
|
|
pci_write_config(dev, PCIR_COMMAND, cmd, 2);
|
|
|
|
//bar = pci_read_config(dev, MRSAS_PCI_BAR0, 4);
|
|
bar = pci_read_config(dev, MRSAS_PCI_BAR1, 4);
|
|
|
|
sc->reg_res_id = MRSAS_PCI_BAR1; /* BAR1 offset */
|
|
if ((sc->reg_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
|
|
&(sc->reg_res_id), 0, ~0, 1, RF_ACTIVE))
|
|
== NULL) {
|
|
device_printf(dev, "Cannot allocate PCI registers\n");
|
|
goto attach_fail;
|
|
}
|
|
sc->bus_tag = rman_get_bustag(sc->reg_res);
|
|
sc->bus_handle = rman_get_bushandle(sc->reg_res);
|
|
|
|
/* Intialize mutexes */
|
|
mtx_init(&sc->sim_lock, "mrsas_sim_lock", NULL, MTX_DEF);
|
|
mtx_init(&sc->pci_lock, "mrsas_pci_lock", NULL, MTX_DEF);
|
|
mtx_init(&sc->io_lock, "mrsas_io_lock", NULL, MTX_DEF);
|
|
mtx_init(&sc->aen_lock, "mrsas_aen_lock", NULL, MTX_DEF);
|
|
mtx_init(&sc->ioctl_lock, "mrsas_ioctl_lock", NULL, MTX_SPIN);
|
|
mtx_init(&sc->mpt_cmd_pool_lock, "mrsas_mpt_cmd_pool_lock", NULL, MTX_DEF);
|
|
mtx_init(&sc->mfi_cmd_pool_lock, "mrsas_mfi_cmd_pool_lock", NULL, MTX_DEF);
|
|
mtx_init(&sc->raidmap_lock, "mrsas_raidmap_lock", NULL, MTX_DEF);
|
|
|
|
/* Intialize linked list */
|
|
TAILQ_INIT(&sc->mrsas_mpt_cmd_list_head);
|
|
TAILQ_INIT(&sc->mrsas_mfi_cmd_list_head);
|
|
|
|
atomic_set(&sc->fw_outstanding,0);
|
|
|
|
sc->io_cmds_highwater = 0;
|
|
|
|
/* Create a /dev entry for this device. */
|
|
sc->mrsas_cdev = make_dev(&mrsas_cdevsw, device_get_unit(dev), UID_ROOT,
|
|
GID_OPERATOR, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP), "mrsas%u",
|
|
device_get_unit(dev));
|
|
if (device_get_unit(dev) == 0)
|
|
make_dev_alias(sc->mrsas_cdev, "megaraid_sas_ioctl_node");
|
|
if (sc->mrsas_cdev)
|
|
sc->mrsas_cdev->si_drv1 = sc;
|
|
|
|
sc->adprecovery = MRSAS_HBA_OPERATIONAL;
|
|
sc->UnevenSpanSupport = 0;
|
|
|
|
sc->msix_enable = 0;
|
|
|
|
/* Initialize Firmware */
|
|
if (mrsas_init_fw(sc) != SUCCESS) {
|
|
goto attach_fail_fw;
|
|
}
|
|
|
|
/* Register SCSI mid-layer */
|
|
if ((mrsas_cam_attach(sc) != SUCCESS)) {
|
|
goto attach_fail_cam;
|
|
}
|
|
|
|
|
|
/* Register IRQs */
|
|
if (mrsas_setup_irq(sc) != SUCCESS) {
|
|
goto attach_fail_irq;
|
|
}
|
|
|
|
/* Enable Interrupts */
|
|
mrsas_enable_intr(sc);
|
|
|
|
error = mrsas_kproc_create(mrsas_ocr_thread, sc,
|
|
&sc->ocr_thread, 0, 0, "mrsas_ocr%d",
|
|
device_get_unit(sc->mrsas_dev));
|
|
if (error) {
|
|
printf("Error %d starting rescan thread\n", error);
|
|
goto attach_fail_irq;
|
|
}
|
|
|
|
mrsas_setup_sysctl(sc);
|
|
|
|
/* Initiate AEN (Asynchronous Event Notification)*/
|
|
|
|
if (mrsas_start_aen(sc)) {
|
|
printf("Error: start aen failed\n");
|
|
goto fail_start_aen;
|
|
}
|
|
|
|
/*
|
|
* Add this controller to mrsas_mgmt_info structure so that it
|
|
* can be exported to management applications
|
|
*/
|
|
if (device_get_unit(dev) == 0)
|
|
memset(&mrsas_mgmt_info, 0, sizeof(mrsas_mgmt_info));
|
|
|
|
mrsas_mgmt_info.count++;
|
|
mrsas_mgmt_info.sc_ptr[mrsas_mgmt_info.max_index] = sc;
|
|
mrsas_mgmt_info.max_index++;
|
|
|
|
return (0);
|
|
|
|
fail_start_aen:
|
|
attach_fail_irq:
|
|
mrsas_teardown_intr(sc);
|
|
attach_fail_cam:
|
|
mrsas_cam_detach(sc);
|
|
attach_fail_fw:
|
|
/* if MSIX vector is allocated and FW Init FAILED then release MSIX */
|
|
if (sc->msix_enable == 1)
|
|
pci_release_msi(sc->mrsas_dev);
|
|
mrsas_free_mem(sc);
|
|
mtx_destroy(&sc->sim_lock);
|
|
mtx_destroy(&sc->aen_lock);
|
|
mtx_destroy(&sc->pci_lock);
|
|
mtx_destroy(&sc->io_lock);
|
|
mtx_destroy(&sc->ioctl_lock);
|
|
mtx_destroy(&sc->mpt_cmd_pool_lock);
|
|
mtx_destroy(&sc->mfi_cmd_pool_lock);
|
|
mtx_destroy(&sc->raidmap_lock);
|
|
attach_fail:
|
|
destroy_dev(sc->mrsas_cdev);
|
|
if (sc->reg_res){
|
|
bus_release_resource(sc->mrsas_dev, SYS_RES_MEMORY,
|
|
sc->reg_res_id, sc->reg_res);
|
|
}
|
|
return (ENXIO);
|
|
}
|
|
|
|
/**
|
|
* mrsas_detach: De-allocates and teardown resources
|
|
* input: device struct pointer
|
|
*
|
|
* This function is the entry point for device disconnect and detach. It
|
|
* performs memory de-allocations, shutdown of the controller and various
|
|
* teardown and destroy resource functions.
|
|
*/
|
|
static int mrsas_detach(device_t dev)
|
|
{
|
|
struct mrsas_softc *sc;
|
|
int i = 0;
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->remove_in_progress = 1;
|
|
|
|
/*
|
|
* Take the instance off the instance array. Note that we will not
|
|
* decrement the max_index. We let this array be sparse array
|
|
*/
|
|
for (i = 0; i < mrsas_mgmt_info.max_index; i++) {
|
|
if (mrsas_mgmt_info.sc_ptr[i] == sc) {
|
|
mrsas_mgmt_info.count--;
|
|
mrsas_mgmt_info.sc_ptr[i] = NULL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(sc->ocr_thread_active)
|
|
wakeup(&sc->ocr_chan);
|
|
while(sc->reset_in_progress){
|
|
i++;
|
|
if (!(i % MRSAS_RESET_NOTICE_INTERVAL)) {
|
|
mrsas_dprint(sc, MRSAS_INFO,
|
|
"[%2d]waiting for ocr to be finished\n",i);
|
|
}
|
|
pause("mr_shutdown", hz);
|
|
}
|
|
i = 0;
|
|
while(sc->ocr_thread_active){
|
|
i++;
|
|
if (!(i % MRSAS_RESET_NOTICE_INTERVAL)) {
|
|
mrsas_dprint(sc, MRSAS_INFO,
|
|
"[%2d]waiting for "
|
|
"mrsas_ocr thread to quit ocr %d\n",i,
|
|
sc->ocr_thread_active);
|
|
}
|
|
pause("mr_shutdown", hz);
|
|
}
|
|
mrsas_flush_cache(sc);
|
|
mrsas_shutdown_ctlr(sc, MR_DCMD_CTRL_SHUTDOWN);
|
|
mrsas_disable_intr(sc);
|
|
mrsas_cam_detach(sc);
|
|
mrsas_teardown_intr(sc);
|
|
mrsas_free_mem(sc);
|
|
mtx_destroy(&sc->sim_lock);
|
|
mtx_destroy(&sc->aen_lock);
|
|
mtx_destroy(&sc->pci_lock);
|
|
mtx_destroy(&sc->io_lock);
|
|
mtx_destroy(&sc->ioctl_lock);
|
|
mtx_destroy(&sc->mpt_cmd_pool_lock);
|
|
mtx_destroy(&sc->mfi_cmd_pool_lock);
|
|
mtx_destroy(&sc->raidmap_lock);
|
|
if (sc->reg_res){
|
|
bus_release_resource(sc->mrsas_dev,
|
|
SYS_RES_MEMORY, sc->reg_res_id, sc->reg_res);
|
|
}
|
|
destroy_dev(sc->mrsas_cdev);
|
|
if (sc->sysctl_tree != NULL)
|
|
sysctl_ctx_free(&sc->sysctl_ctx);
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_free_mem: Frees allocated memory
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function is called from mrsas_detach() to free previously allocated
|
|
* memory.
|
|
*/
|
|
void mrsas_free_mem(struct mrsas_softc *sc)
|
|
{
|
|
int i;
|
|
u_int32_t max_cmd;
|
|
struct mrsas_mfi_cmd *mfi_cmd;
|
|
struct mrsas_mpt_cmd *mpt_cmd;
|
|
|
|
/*
|
|
* Free RAID map memory
|
|
*/
|
|
for (i=0; i < 2; i++)
|
|
{
|
|
if (sc->raidmap_phys_addr[i])
|
|
bus_dmamap_unload(sc->raidmap_tag[i], sc->raidmap_dmamap[i]);
|
|
if (sc->raidmap_mem[i] != NULL)
|
|
bus_dmamem_free(sc->raidmap_tag[i], sc->raidmap_mem[i], sc->raidmap_dmamap[i]);
|
|
if (sc->raidmap_tag[i] != NULL)
|
|
bus_dma_tag_destroy(sc->raidmap_tag[i]);
|
|
|
|
if (sc->ld_drv_map[i] != NULL)
|
|
free(sc->ld_drv_map[i], M_MRSAS);
|
|
}
|
|
|
|
/*
|
|
* Free version buffer memroy
|
|
*/
|
|
if (sc->verbuf_phys_addr)
|
|
bus_dmamap_unload(sc->verbuf_tag, sc->verbuf_dmamap);
|
|
if (sc->verbuf_mem != NULL)
|
|
bus_dmamem_free(sc->verbuf_tag, sc->verbuf_mem, sc->verbuf_dmamap);
|
|
if (sc->verbuf_tag != NULL)
|
|
bus_dma_tag_destroy(sc->verbuf_tag);
|
|
|
|
|
|
/*
|
|
* Free sense buffer memory
|
|
*/
|
|
if (sc->sense_phys_addr)
|
|
bus_dmamap_unload(sc->sense_tag, sc->sense_dmamap);
|
|
if (sc->sense_mem != NULL)
|
|
bus_dmamem_free(sc->sense_tag, sc->sense_mem, sc->sense_dmamap);
|
|
if (sc->sense_tag != NULL)
|
|
bus_dma_tag_destroy(sc->sense_tag);
|
|
|
|
/*
|
|
* Free chain frame memory
|
|
*/
|
|
if (sc->chain_frame_phys_addr)
|
|
bus_dmamap_unload(sc->chain_frame_tag, sc->chain_frame_dmamap);
|
|
if (sc->chain_frame_mem != NULL)
|
|
bus_dmamem_free(sc->chain_frame_tag, sc->chain_frame_mem, sc->chain_frame_dmamap);
|
|
if (sc->chain_frame_tag != NULL)
|
|
bus_dma_tag_destroy(sc->chain_frame_tag);
|
|
|
|
/*
|
|
* Free IO Request memory
|
|
*/
|
|
if (sc->io_request_phys_addr)
|
|
bus_dmamap_unload(sc->io_request_tag, sc->io_request_dmamap);
|
|
if (sc->io_request_mem != NULL)
|
|
bus_dmamem_free(sc->io_request_tag, sc->io_request_mem, sc->io_request_dmamap);
|
|
if (sc->io_request_tag != NULL)
|
|
bus_dma_tag_destroy(sc->io_request_tag);
|
|
|
|
/*
|
|
* Free Reply Descriptor memory
|
|
*/
|
|
if (sc->reply_desc_phys_addr)
|
|
bus_dmamap_unload(sc->reply_desc_tag, sc->reply_desc_dmamap);
|
|
if (sc->reply_desc_mem != NULL)
|
|
bus_dmamem_free(sc->reply_desc_tag, sc->reply_desc_mem, sc->reply_desc_dmamap);
|
|
if (sc->reply_desc_tag != NULL)
|
|
bus_dma_tag_destroy(sc->reply_desc_tag);
|
|
|
|
/*
|
|
* Free event detail memory
|
|
*/
|
|
if (sc->evt_detail_phys_addr)
|
|
bus_dmamap_unload(sc->evt_detail_tag, sc->evt_detail_dmamap);
|
|
if (sc->evt_detail_mem != NULL)
|
|
bus_dmamem_free(sc->evt_detail_tag, sc->evt_detail_mem, sc->evt_detail_dmamap);
|
|
if (sc->evt_detail_tag != NULL)
|
|
bus_dma_tag_destroy(sc->evt_detail_tag);
|
|
|
|
/*
|
|
* Free MFI frames
|
|
*/
|
|
if (sc->mfi_cmd_list) {
|
|
for (i = 0; i < MRSAS_MAX_MFI_CMDS; i++) {
|
|
mfi_cmd = sc->mfi_cmd_list[i];
|
|
mrsas_free_frame(sc, mfi_cmd);
|
|
}
|
|
}
|
|
if (sc->mficmd_frame_tag != NULL)
|
|
bus_dma_tag_destroy(sc->mficmd_frame_tag);
|
|
|
|
/*
|
|
* Free MPT internal command list
|
|
*/
|
|
max_cmd = sc->max_fw_cmds;
|
|
if (sc->mpt_cmd_list) {
|
|
for (i = 0; i < max_cmd; i++) {
|
|
mpt_cmd = sc->mpt_cmd_list[i];
|
|
bus_dmamap_destroy(sc->data_tag, mpt_cmd->data_dmamap);
|
|
free(sc->mpt_cmd_list[i], M_MRSAS);
|
|
}
|
|
free(sc->mpt_cmd_list, M_MRSAS);
|
|
sc->mpt_cmd_list = NULL;
|
|
}
|
|
|
|
/*
|
|
* Free MFI internal command list
|
|
*/
|
|
|
|
if (sc->mfi_cmd_list) {
|
|
for (i = 0; i < MRSAS_MAX_MFI_CMDS; i++) {
|
|
free(sc->mfi_cmd_list[i], M_MRSAS);
|
|
}
|
|
free(sc->mfi_cmd_list, M_MRSAS);
|
|
sc->mfi_cmd_list = NULL;
|
|
}
|
|
|
|
/*
|
|
* Free request descriptor memory
|
|
*/
|
|
free(sc->req_desc, M_MRSAS);
|
|
sc->req_desc = NULL;
|
|
|
|
/*
|
|
* Destroy parent tag
|
|
*/
|
|
if (sc->mrsas_parent_tag != NULL)
|
|
bus_dma_tag_destroy(sc->mrsas_parent_tag);
|
|
}
|
|
|
|
/**
|
|
* mrsas_teardown_intr: Teardown interrupt
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function is called from mrsas_detach() to teardown and release
|
|
* bus interrupt resourse.
|
|
*/
|
|
void mrsas_teardown_intr(struct mrsas_softc *sc)
|
|
{
|
|
int i;
|
|
if (!sc->msix_enable) {
|
|
if (sc->intr_handle[0])
|
|
bus_teardown_intr(sc->mrsas_dev, sc->mrsas_irq[0], sc->intr_handle[0]);
|
|
if (sc->mrsas_irq[0] != NULL)
|
|
bus_release_resource(sc->mrsas_dev, SYS_RES_IRQ, sc->irq_id[0], sc->mrsas_irq[0]);
|
|
sc->intr_handle[0] = NULL;
|
|
} else {
|
|
for (i = 0; i < sc->msix_vectors; i++) {
|
|
if (sc->intr_handle[i])
|
|
bus_teardown_intr(sc->mrsas_dev, sc->mrsas_irq[i],
|
|
sc->intr_handle[i]);
|
|
|
|
if (sc->mrsas_irq[i] != NULL)
|
|
bus_release_resource(sc->mrsas_dev, SYS_RES_IRQ,
|
|
sc->irq_id[i], sc->mrsas_irq[i]);
|
|
|
|
sc->intr_handle[i] = NULL;
|
|
}
|
|
pci_release_msi(sc->mrsas_dev);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* mrsas_suspend: Suspend entry point
|
|
* input: Device struct pointer
|
|
*
|
|
* This function is the entry point for system suspend from the OS.
|
|
*/
|
|
static int mrsas_suspend(device_t dev)
|
|
{
|
|
struct mrsas_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_resume: Resume entry point
|
|
* input: Device struct pointer
|
|
*
|
|
* This function is the entry point for system resume from the OS.
|
|
*/
|
|
static int mrsas_resume(device_t dev)
|
|
{
|
|
struct mrsas_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_ioctl: IOCtl commands entry point.
|
|
*
|
|
* This function is the entry point for IOCtls from the OS. It calls the
|
|
* appropriate function for processing depending on the command received.
|
|
*/
|
|
static int
|
|
mrsas_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td)
|
|
{
|
|
struct mrsas_softc *sc;
|
|
int ret = 0, i = 0;
|
|
|
|
struct mrsas_iocpacket *user_ioc = (struct mrsas_iocpacket *)arg;
|
|
|
|
/* get the Host number & the softc from data sent by the Application */
|
|
sc = mrsas_mgmt_info.sc_ptr[user_ioc->host_no];
|
|
|
|
if ((mrsas_mgmt_info.max_index == user_ioc->host_no) || (sc == NULL)) {
|
|
printf ("Please check the controller number\n");
|
|
if (sc == NULL)
|
|
printf ("There is NO such Host no. %d\n", user_ioc->host_no);
|
|
|
|
return ENOENT;
|
|
}
|
|
|
|
if (sc->remove_in_progress) {
|
|
mrsas_dprint(sc, MRSAS_INFO,
|
|
"Driver remove or shutdown called.\n");
|
|
return ENOENT;
|
|
}
|
|
|
|
mtx_lock_spin(&sc->ioctl_lock);
|
|
if (!sc->reset_in_progress) {
|
|
mtx_unlock_spin(&sc->ioctl_lock);
|
|
goto do_ioctl;
|
|
}
|
|
|
|
/* Release ioclt_lock, and wait for OCR
|
|
* to be finished */
|
|
mtx_unlock_spin(&sc->ioctl_lock);
|
|
while(sc->reset_in_progress){
|
|
i++;
|
|
if (!(i % MRSAS_RESET_NOTICE_INTERVAL)) {
|
|
mrsas_dprint(sc, MRSAS_INFO,
|
|
"[%2d]waiting for "
|
|
"OCR to be finished %d\n",i,
|
|
sc->ocr_thread_active);
|
|
}
|
|
pause("mr_ioctl", hz);
|
|
}
|
|
|
|
do_ioctl:
|
|
switch (cmd) {
|
|
case MRSAS_IOC_FIRMWARE_PASS_THROUGH64:
|
|
#ifdef COMPAT_FREEBSD32
|
|
case MRSAS_IOC_FIRMWARE_PASS_THROUGH32:
|
|
#endif
|
|
ret = mrsas_passthru(sc, (void *)arg, cmd);
|
|
break;
|
|
case MRSAS_IOC_SCAN_BUS:
|
|
ret = mrsas_bus_scan(sc);
|
|
break;
|
|
default:
|
|
mrsas_dprint(sc, MRSAS_TRACE, "IOCTL command 0x%lx is not handled\n", cmd);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/**
|
|
* mrsas_poll: poll entry point for mrsas driver fd
|
|
*
|
|
* This function is the entry point for poll from the OS. It waits for
|
|
* some AEN events to be triggered from the controller and notifies back.
|
|
*/
|
|
static int
|
|
mrsas_poll(struct cdev *dev, int poll_events, struct thread *td)
|
|
{
|
|
struct mrsas_softc *sc;
|
|
int revents = 0;
|
|
|
|
sc = dev->si_drv1;
|
|
|
|
if (poll_events & (POLLIN | POLLRDNORM)) {
|
|
if (sc->mrsas_aen_triggered) {
|
|
revents |= poll_events & (POLLIN | POLLRDNORM);
|
|
}
|
|
}
|
|
|
|
if (revents == 0) {
|
|
if (poll_events & (POLLIN | POLLRDNORM)) {
|
|
sc->mrsas_poll_waiting = 1;
|
|
selrecord(td, &sc->mrsas_select);
|
|
}
|
|
}
|
|
|
|
return revents;
|
|
}
|
|
|
|
/**
|
|
* mrsas_setup_irq: Set up interrupt.
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function sets up interrupts as a bus resource, with flags indicating
|
|
* resource permitting contemporaneous sharing and for resource to activate
|
|
* atomically.
|
|
*/
|
|
static int mrsas_setup_irq(struct mrsas_softc *sc)
|
|
{
|
|
if (sc->msix_enable && (mrsas_setup_msix(sc) == SUCCESS))
|
|
device_printf(sc->mrsas_dev, "MSI-x interrupts setup success\n");
|
|
|
|
else {
|
|
device_printf(sc->mrsas_dev, "Fall back to legacy interrupt\n");
|
|
sc->irq_context[0].sc = sc;
|
|
sc->irq_context[0].MSIxIndex = 0;
|
|
sc->irq_id[0] = 0;
|
|
sc->mrsas_irq[0] = bus_alloc_resource_any(sc->mrsas_dev,
|
|
SYS_RES_IRQ, &sc->irq_id[0], RF_SHAREABLE | RF_ACTIVE);
|
|
if (sc->mrsas_irq[0] == NULL){
|
|
device_printf(sc->mrsas_dev, "Cannot allocate legcay"
|
|
"interrupt\n");
|
|
return (FAIL);
|
|
}
|
|
if (bus_setup_intr(sc->mrsas_dev, sc->mrsas_irq[0],
|
|
INTR_MPSAFE|INTR_TYPE_CAM, NULL, mrsas_isr,
|
|
&sc->irq_context[0], &sc->intr_handle[0])) {
|
|
device_printf(sc->mrsas_dev, "Cannot set up legacy"
|
|
"interrupt\n");
|
|
return (FAIL);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* mrsas_isr: ISR entry point
|
|
* input: argument pointer
|
|
*
|
|
* This function is the interrupt service routine entry point. There
|
|
* are two types of interrupts, state change interrupt and response
|
|
* interrupt. If an interrupt is not ours, we just return.
|
|
*/
|
|
void mrsas_isr(void *arg)
|
|
{
|
|
struct mrsas_irq_context *irq_context = (struct mrsas_irq_context *)arg;
|
|
struct mrsas_softc *sc = irq_context->sc;
|
|
int status = 0;
|
|
|
|
if (!sc->msix_vectors) {
|
|
status = mrsas_clear_intr(sc);
|
|
if (!status)
|
|
return;
|
|
}
|
|
|
|
/* If we are resetting, bail */
|
|
if (test_bit(MRSAS_FUSION_IN_RESET, &sc->reset_flags)) {
|
|
printf(" Entered into ISR when OCR is going active. \n");
|
|
mrsas_clear_intr(sc);
|
|
return;
|
|
}
|
|
/* Process for reply request and clear response interrupt */
|
|
if (mrsas_complete_cmd(sc, irq_context->MSIxIndex) != SUCCESS)
|
|
mrsas_clear_intr(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* mrsas_complete_cmd: Process reply request
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function is called from mrsas_isr() to process reply request and
|
|
* clear response interrupt. Processing of the reply request entails
|
|
* walking through the reply descriptor array for the command request
|
|
* pended from Firmware. We look at the Function field to determine
|
|
* the command type and perform the appropriate action. Before we
|
|
* return, we clear the response interrupt.
|
|
*/
|
|
static int mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t MSIxIndex)
|
|
{
|
|
Mpi2ReplyDescriptorsUnion_t *desc;
|
|
MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc;
|
|
MRSAS_RAID_SCSI_IO_REQUEST *scsi_io_req;
|
|
struct mrsas_mpt_cmd *cmd_mpt;
|
|
struct mrsas_mfi_cmd *cmd_mfi;
|
|
u_int8_t arm, reply_descript_type;
|
|
u_int16_t smid, num_completed;
|
|
u_int8_t status, extStatus;
|
|
union desc_value desc_val;
|
|
PLD_LOAD_BALANCE_INFO lbinfo;
|
|
u_int32_t device_id;
|
|
int threshold_reply_count = 0;
|
|
|
|
|
|
/* If we have a hardware error, not need to continue */
|
|
if (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR)
|
|
return (DONE);
|
|
|
|
desc = sc->reply_desc_mem;
|
|
//desc += sc->last_reply_idx[0];
|
|
desc += ((MSIxIndex * sc->reply_alloc_sz)/sizeof(MPI2_REPLY_DESCRIPTORS_UNION))
|
|
+ sc->last_reply_idx[MSIxIndex];
|
|
|
|
reply_desc = (MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc;
|
|
|
|
desc_val.word = desc->Words;
|
|
num_completed = 0;
|
|
|
|
reply_descript_type = reply_desc->ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
|
|
|
|
/* Find our reply descriptor for the command and process */
|
|
while((desc_val.u.low != 0xFFFFFFFF) && (desc_val.u.high != 0xFFFFFFFF))
|
|
{
|
|
smid = reply_desc->SMID;
|
|
cmd_mpt = sc->mpt_cmd_list[smid -1];
|
|
scsi_io_req = (MRSAS_RAID_SCSI_IO_REQUEST *)cmd_mpt->io_request;
|
|
|
|
status = scsi_io_req->RaidContext.status;
|
|
extStatus = scsi_io_req->RaidContext.exStatus;
|
|
|
|
switch (scsi_io_req->Function)
|
|
{
|
|
case MPI2_FUNCTION_SCSI_IO_REQUEST : /*Fast Path IO.*/
|
|
device_id = cmd_mpt->ccb_ptr->ccb_h.target_id;
|
|
lbinfo = &sc->load_balance_info[device_id];
|
|
if (cmd_mpt->load_balance == MRSAS_LOAD_BALANCE_FLAG) {
|
|
arm = lbinfo->raid1DevHandle[0] == scsi_io_req->DevHandle ? 0 : 1;
|
|
atomic_dec(&lbinfo->scsi_pending_cmds[arm]);
|
|
cmd_mpt->load_balance &= ~MRSAS_LOAD_BALANCE_FLAG;
|
|
}
|
|
//Fall thru and complete IO
|
|
case MRSAS_MPI2_FUNCTION_LD_IO_REQUEST:
|
|
mrsas_map_mpt_cmd_status(cmd_mpt, status, extStatus);
|
|
mrsas_cmd_done(sc, cmd_mpt);
|
|
scsi_io_req->RaidContext.status = 0;
|
|
scsi_io_req->RaidContext.exStatus = 0;
|
|
atomic_dec(&sc->fw_outstanding);
|
|
break;
|
|
case MRSAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */
|
|
cmd_mfi = sc->mfi_cmd_list[cmd_mpt->sync_cmd_idx];
|
|
mrsas_complete_mptmfi_passthru(sc, cmd_mfi, status);
|
|
cmd_mpt->flags = 0;
|
|
mrsas_release_mpt_cmd(cmd_mpt);
|
|
break;
|
|
}
|
|
|
|
sc->last_reply_idx[MSIxIndex]++;
|
|
if (sc->last_reply_idx[MSIxIndex] >= sc->reply_q_depth)
|
|
sc->last_reply_idx[MSIxIndex] = 0;
|
|
|
|
desc->Words = ~((uint64_t)0x00); /* set it back to all 0xFFFFFFFFs */
|
|
num_completed++;
|
|
threshold_reply_count++;
|
|
|
|
/* Get the next reply descriptor */
|
|
if (!sc->last_reply_idx[MSIxIndex]){
|
|
desc = sc->reply_desc_mem;
|
|
desc += ((MSIxIndex * sc->reply_alloc_sz)/sizeof(MPI2_REPLY_DESCRIPTORS_UNION));
|
|
} else
|
|
desc++;
|
|
|
|
reply_desc = (MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc;
|
|
desc_val.word = desc->Words;
|
|
|
|
reply_descript_type = reply_desc->ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
|
|
|
|
if(reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
|
|
break;
|
|
|
|
/*
|
|
* Write to reply post index after completing threshold reply count
|
|
* and still there are more replies in reply queue pending to be
|
|
* completed.
|
|
*/
|
|
if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) {
|
|
if (sc->msix_enable) {
|
|
if ((sc->device_id == MRSAS_INVADER) ||
|
|
(sc->device_id == MRSAS_FURY))
|
|
mrsas_write_reg(sc, sc->msix_reg_offset[MSIxIndex/8],
|
|
((MSIxIndex & 0x7) << 24) |
|
|
sc->last_reply_idx[MSIxIndex]);
|
|
else
|
|
mrsas_write_reg(sc, sc->msix_reg_offset[0], (MSIxIndex << 24) |
|
|
sc->last_reply_idx[MSIxIndex]);
|
|
} else
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set,
|
|
reply_post_host_index),sc->last_reply_idx[0]);
|
|
|
|
threshold_reply_count = 0;
|
|
}
|
|
}
|
|
|
|
/* No match, just return */
|
|
if (num_completed == 0)
|
|
return (DONE);
|
|
|
|
/* Clear response interrupt */
|
|
if (sc->msix_enable) {
|
|
if ((sc->device_id == MRSAS_INVADER) ||
|
|
(sc->device_id == MRSAS_FURY)){
|
|
mrsas_write_reg(sc, sc->msix_reg_offset[MSIxIndex/8],
|
|
((MSIxIndex & 0x7) << 24) |
|
|
sc->last_reply_idx[MSIxIndex]);
|
|
} else
|
|
mrsas_write_reg(sc, sc->msix_reg_offset[0], (MSIxIndex << 24) |
|
|
sc->last_reply_idx[MSIxIndex]);
|
|
} else
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set,
|
|
reply_post_host_index),sc->last_reply_idx[0]);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* mrsas_map_mpt_cmd_status: Allocate DMAable memory.
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function is called from mrsas_complete_cmd(), for LD IO and FastPath IO.
|
|
* It checks the command status and maps the appropriate CAM status for the CCB.
|
|
*/
|
|
void mrsas_map_mpt_cmd_status(struct mrsas_mpt_cmd *cmd, u_int8_t status, u_int8_t extStatus)
|
|
{
|
|
struct mrsas_softc *sc = cmd->sc;
|
|
u_int8_t *sense_data;
|
|
|
|
switch (status) {
|
|
case MFI_STAT_OK:
|
|
cmd->ccb_ptr->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
case MFI_STAT_SCSI_IO_FAILED:
|
|
case MFI_STAT_SCSI_DONE_WITH_ERROR:
|
|
cmd->ccb_ptr->ccb_h.status = CAM_SCSI_STATUS_ERROR;
|
|
sense_data = (u_int8_t *)&cmd->ccb_ptr->csio.sense_data;
|
|
if (sense_data) {
|
|
/* For now just copy 18 bytes back */
|
|
memcpy(sense_data, cmd->sense, 18);
|
|
cmd->ccb_ptr->csio.sense_len = 18;
|
|
cmd->ccb_ptr->ccb_h.status |= CAM_AUTOSNS_VALID;
|
|
}
|
|
break;
|
|
case MFI_STAT_LD_OFFLINE:
|
|
case MFI_STAT_DEVICE_NOT_FOUND:
|
|
if (cmd->ccb_ptr->ccb_h.target_lun)
|
|
cmd->ccb_ptr->ccb_h.status |= CAM_LUN_INVALID;
|
|
else
|
|
cmd->ccb_ptr->ccb_h.status |= CAM_DEV_NOT_THERE;
|
|
break;
|
|
case MFI_STAT_CONFIG_SEQ_MISMATCH:
|
|
/*send status to CAM layer to retry sending command without
|
|
* decrementing retry counter*/
|
|
cmd->ccb_ptr->ccb_h.status |= CAM_REQUEUE_REQ;
|
|
break;
|
|
default:
|
|
device_printf(sc->mrsas_dev, "FW cmd complete status %x\n", status);
|
|
cmd->ccb_ptr->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
cmd->ccb_ptr->csio.scsi_status = status;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* mrsas_alloc_mem: Allocate DMAable memory.
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function creates the parent DMA tag and allocates DMAable memory.
|
|
* DMA tag describes constraints of DMA mapping. Memory allocated is mapped
|
|
* into Kernel virtual address. Callback argument is physical memory address.
|
|
*/
|
|
static int mrsas_alloc_mem(struct mrsas_softc *sc)
|
|
{
|
|
u_int32_t verbuf_size, io_req_size, reply_desc_size, sense_size,
|
|
chain_frame_size, evt_detail_size, count;
|
|
|
|
/*
|
|
* Allocate parent DMA tag
|
|
*/
|
|
if (bus_dma_tag_create(NULL, /* parent */
|
|
1, /* alignment */
|
|
0, /* boundary */
|
|
BUS_SPACE_MAXADDR, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
MRSAS_MAX_IO_SIZE,/* maxsize */
|
|
MRSAS_MAX_SGL, /* nsegments */
|
|
MRSAS_MAX_IO_SIZE,/* maxsegsize */
|
|
0, /* flags */
|
|
NULL, NULL, /* lockfunc, lockarg */
|
|
&sc->mrsas_parent_tag /* tag */
|
|
)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate parent DMA tag\n");
|
|
return(ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Allocate for version buffer
|
|
*/
|
|
verbuf_size = MRSAS_MAX_NAME_LENGTH*(sizeof(bus_addr_t));
|
|
if (bus_dma_tag_create(sc->mrsas_parent_tag, // parent
|
|
1, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
verbuf_size, // maxsize
|
|
1, // msegments
|
|
verbuf_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->verbuf_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate verbuf DMA tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->verbuf_tag, (void **)&sc->verbuf_mem,
|
|
BUS_DMA_NOWAIT, &sc->verbuf_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate verbuf memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
bzero(sc->verbuf_mem, verbuf_size);
|
|
if (bus_dmamap_load(sc->verbuf_tag, sc->verbuf_dmamap, sc->verbuf_mem,
|
|
verbuf_size, mrsas_addr_cb, &sc->verbuf_phys_addr, BUS_DMA_NOWAIT)){
|
|
device_printf(sc->mrsas_dev, "Cannot load verbuf DMA map\n");
|
|
return(ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Allocate IO Request Frames
|
|
*/
|
|
io_req_size = sc->io_frames_alloc_sz;
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
16, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
io_req_size, // maxsize
|
|
1, // msegments
|
|
io_req_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->io_request_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot create IO request tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->io_request_tag, (void **)&sc->io_request_mem,
|
|
BUS_DMA_NOWAIT, &sc->io_request_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot alloc IO request memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
bzero(sc->io_request_mem, io_req_size);
|
|
if (bus_dmamap_load(sc->io_request_tag, sc->io_request_dmamap,
|
|
sc->io_request_mem, io_req_size, mrsas_addr_cb,
|
|
&sc->io_request_phys_addr, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load IO request memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Allocate Chain Frames
|
|
*/
|
|
chain_frame_size = sc->chain_frames_alloc_sz;
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
4, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
chain_frame_size, // maxsize
|
|
1, // msegments
|
|
chain_frame_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->chain_frame_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot create chain frame tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->chain_frame_tag, (void **)&sc->chain_frame_mem,
|
|
BUS_DMA_NOWAIT, &sc->chain_frame_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot alloc chain frame memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
bzero(sc->chain_frame_mem, chain_frame_size);
|
|
if (bus_dmamap_load(sc->chain_frame_tag, sc->chain_frame_dmamap,
|
|
sc->chain_frame_mem, chain_frame_size, mrsas_addr_cb,
|
|
&sc->chain_frame_phys_addr, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load chain frame memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
count = sc->msix_vectors > 0 ? sc->msix_vectors : 1;
|
|
/*
|
|
* Allocate Reply Descriptor Array
|
|
*/
|
|
reply_desc_size = sc->reply_alloc_sz * count;
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
16, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
reply_desc_size, // maxsize
|
|
1, // msegments
|
|
reply_desc_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->reply_desc_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot create reply descriptor tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->reply_desc_tag, (void **)&sc->reply_desc_mem,
|
|
BUS_DMA_NOWAIT, &sc->reply_desc_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot alloc reply descriptor memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamap_load(sc->reply_desc_tag, sc->reply_desc_dmamap,
|
|
sc->reply_desc_mem, reply_desc_size, mrsas_addr_cb,
|
|
&sc->reply_desc_phys_addr, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load reply descriptor memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Allocate Sense Buffer Array. Keep in lower 4GB
|
|
*/
|
|
sense_size = sc->max_fw_cmds * MRSAS_SENSE_LEN;
|
|
if (bus_dma_tag_create(sc->mrsas_parent_tag, // parent
|
|
64, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
sense_size, // maxsize
|
|
1, // nsegments
|
|
sense_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->sense_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate sense buf tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->sense_tag, (void **)&sc->sense_mem,
|
|
BUS_DMA_NOWAIT, &sc->sense_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate sense buf memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamap_load(sc->sense_tag, sc->sense_dmamap,
|
|
sc->sense_mem, sense_size, mrsas_addr_cb, &sc->sense_phys_addr,
|
|
BUS_DMA_NOWAIT)){
|
|
device_printf(sc->mrsas_dev, "Cannot load sense buf memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Allocate for Event detail structure
|
|
*/
|
|
evt_detail_size = sizeof(struct mrsas_evt_detail);
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
1, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
evt_detail_size, // maxsize
|
|
1, // msegments
|
|
evt_detail_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->evt_detail_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot create Event detail tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->evt_detail_tag, (void **)&sc->evt_detail_mem,
|
|
BUS_DMA_NOWAIT, &sc->evt_detail_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot alloc Event detail buffer memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
bzero(sc->evt_detail_mem, evt_detail_size);
|
|
if (bus_dmamap_load(sc->evt_detail_tag, sc->evt_detail_dmamap,
|
|
sc->evt_detail_mem, evt_detail_size, mrsas_addr_cb,
|
|
&sc->evt_detail_phys_addr, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load Event detail buffer memory\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
|
|
/*
|
|
* Create a dma tag for data buffers; size will be the maximum
|
|
* possible I/O size (280kB).
|
|
*/
|
|
if (bus_dma_tag_create(sc->mrsas_parent_tag, // parent
|
|
1, // alignment
|
|
0, // boundary
|
|
BUS_SPACE_MAXADDR, // lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
MRSAS_MAX_IO_SIZE, // maxsize
|
|
MRSAS_MAX_SGL, // nsegments
|
|
MRSAS_MAX_IO_SIZE, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
busdma_lock_mutex, // lockfunc
|
|
&sc->io_lock, // lockfuncarg
|
|
&sc->data_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot create data dma tag\n");
|
|
return(ENOMEM);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* mrsas_addr_cb: Callback function of bus_dmamap_load()
|
|
* input: callback argument,
|
|
* machine dependent type that describes DMA segments,
|
|
* number of segments,
|
|
* error code.
|
|
*
|
|
* This function is for the driver to receive mapping information resultant
|
|
* of the bus_dmamap_load(). The information is actually not being used,
|
|
* but the address is saved anyway.
|
|
*/
|
|
void
|
|
mrsas_addr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
|
|
{
|
|
bus_addr_t *addr;
|
|
|
|
addr = arg;
|
|
*addr = segs[0].ds_addr;
|
|
}
|
|
|
|
/*
|
|
* mrsas_setup_raidmap: Set up RAID map.
|
|
* input: Adapter instance soft state
|
|
*
|
|
* Allocate DMA memory for the RAID maps and perform setup.
|
|
*/
|
|
static int mrsas_setup_raidmap(struct mrsas_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
sc->drv_supported_vd_count =
|
|
MRSAS_MAX_LD_CHANNELS * MRSAS_MAX_DEV_PER_CHANNEL;
|
|
sc->drv_supported_pd_count =
|
|
MRSAS_MAX_PD_CHANNELS * MRSAS_MAX_DEV_PER_CHANNEL;
|
|
|
|
if(sc->max256vdSupport) {
|
|
sc->fw_supported_vd_count = MAX_LOGICAL_DRIVES_EXT;
|
|
sc->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
|
|
} else {
|
|
sc->fw_supported_vd_count = MAX_LOGICAL_DRIVES;
|
|
sc->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
|
|
}
|
|
|
|
#if VD_EXT_DEBUG
|
|
device_printf(sc->mrsas_dev, "FW supports: max256vdSupport = %s\n",
|
|
sc->max256vdSupport ? "YES":"NO");
|
|
device_printf(sc->mrsas_dev, "FW supports %dVDs %dPDs\n"
|
|
"DRIVER supports %dVDs %dPDs \n",
|
|
sc->fw_supported_vd_count, sc->fw_supported_pd_count,
|
|
sc->drv_supported_vd_count, sc->drv_supported_pd_count);
|
|
#endif
|
|
|
|
sc->old_map_sz = sizeof(MR_FW_RAID_MAP) +
|
|
(sizeof(MR_LD_SPAN_MAP) * (sc->fw_supported_vd_count - 1));
|
|
sc->new_map_sz = sizeof(MR_FW_RAID_MAP_EXT);
|
|
sc->drv_map_sz = sizeof(MR_DRV_RAID_MAP) +
|
|
(sizeof(MR_LD_SPAN_MAP) * (sc->drv_supported_vd_count-1));
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
sc->ld_drv_map[i] =
|
|
(void*) malloc(sc->drv_map_sz, M_MRSAS, M_NOWAIT);
|
|
/* Do Error handling */
|
|
if (!sc->ld_drv_map[i]) {
|
|
device_printf(sc->mrsas_dev, "Could not allocate memory for local map");
|
|
|
|
if (i == 1)
|
|
free (sc->ld_drv_map[0], M_MRSAS);
|
|
//ABORT driver initialization
|
|
goto ABORT;
|
|
}
|
|
}
|
|
|
|
sc->max_map_sz = max(sc->old_map_sz, sc->new_map_sz);
|
|
|
|
if(sc->max256vdSupport)
|
|
sc->current_map_sz = sc->new_map_sz;
|
|
else
|
|
sc->current_map_sz = sc->old_map_sz;
|
|
|
|
|
|
for (int i=0; i < 2; i++)
|
|
{
|
|
if (bus_dma_tag_create(sc->mrsas_parent_tag, // parent
|
|
4, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
sc->max_map_sz, // maxsize
|
|
1, // nsegments
|
|
sc->max_map_sz, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->raidmap_tag[i])) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot allocate raid map tag.\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->raidmap_tag[i],
|
|
(void **)&sc->raidmap_mem[i],
|
|
BUS_DMA_NOWAIT, &sc->raidmap_dmamap[i])) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot allocate raidmap memory.\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
bzero (sc->raidmap_mem[i], sc->max_map_sz);
|
|
|
|
if (bus_dmamap_load(sc->raidmap_tag[i], sc->raidmap_dmamap[i],
|
|
sc->raidmap_mem[i], sc->max_map_sz,
|
|
mrsas_addr_cb, &sc->raidmap_phys_addr[i],
|
|
BUS_DMA_NOWAIT)){
|
|
device_printf(sc->mrsas_dev, "Cannot load raidmap memory.\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (!sc->raidmap_mem[i]) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot allocate memory for raid map.\n");
|
|
return (ENOMEM);
|
|
}
|
|
}
|
|
|
|
if (!mrsas_get_map_info(sc))
|
|
mrsas_sync_map_info(sc);
|
|
|
|
return (0);
|
|
|
|
ABORT:
|
|
return (1);
|
|
}
|
|
|
|
/**
|
|
* mrsas_init_fw: Initialize Firmware
|
|
* input: Adapter soft state
|
|
*
|
|
* Calls transition_to_ready() to make sure Firmware is in operational
|
|
* state and calls mrsas_init_adapter() to send IOC_INIT command to
|
|
* Firmware. It issues internal commands to get the controller info
|
|
* after the IOC_INIT command response is received by Firmware.
|
|
* Note: code relating to get_pdlist, get_ld_list and max_sectors
|
|
* are currently not being used, it is left here as placeholder.
|
|
*/
|
|
static int mrsas_init_fw(struct mrsas_softc *sc)
|
|
{
|
|
|
|
int ret, loop, ocr = 0;
|
|
u_int32_t max_sectors_1;
|
|
u_int32_t max_sectors_2;
|
|
u_int32_t tmp_sectors;
|
|
struct mrsas_ctrl_info *ctrl_info;
|
|
u_int32_t scratch_pad_2;
|
|
int msix_enable = 0;
|
|
int fw_msix_count = 0;
|
|
|
|
/* Make sure Firmware is ready */
|
|
ret = mrsas_transition_to_ready(sc, ocr);
|
|
if (ret != SUCCESS) {
|
|
return(ret);
|
|
}
|
|
|
|
|
|
/* MSI-x index 0- reply post host index register */
|
|
sc->msix_reg_offset[0] = MPI2_REPLY_POST_HOST_INDEX_OFFSET;
|
|
/* Check if MSI-X is supported while in ready state */
|
|
msix_enable = (mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_scratch_pad)) & 0x4000000) >> 0x1a;
|
|
|
|
if (msix_enable) {
|
|
scratch_pad_2 = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
outbound_scratch_pad_2));
|
|
|
|
/* Check max MSI-X vectors */
|
|
if (sc->device_id == MRSAS_TBOLT) {
|
|
sc->msix_vectors = (scratch_pad_2
|
|
& MR_MAX_REPLY_QUEUES_OFFSET) + 1;
|
|
fw_msix_count = sc->msix_vectors;
|
|
} else {
|
|
/* Invader/Fury supports 96 MSI-X vectors */
|
|
sc->msix_vectors = ((scratch_pad_2
|
|
& MR_MAX_REPLY_QUEUES_EXT_OFFSET)
|
|
>> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1;
|
|
fw_msix_count = sc->msix_vectors;
|
|
|
|
/* Save 1-15 reply post index address to local
|
|
* memory
|
|
* Index 0 is already saved from reg offset
|
|
* MPI2_REPLY_POST_HOST_INDEX_OFFSET
|
|
*/
|
|
for (loop = 1; loop < MR_MAX_MSIX_REG_ARRAY;
|
|
loop++) {
|
|
sc->msix_reg_offset[loop] =
|
|
MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET +
|
|
(loop * 0x10);
|
|
}
|
|
}
|
|
|
|
/* Don't bother allocating more MSI-X vectors than cpus */
|
|
sc->msix_vectors = min(sc->msix_vectors,
|
|
mp_ncpus);
|
|
|
|
/* Allocate MSI-x vectors */
|
|
if (mrsas_allocate_msix(sc) == SUCCESS)
|
|
sc->msix_enable = 1;
|
|
else
|
|
sc->msix_enable = 0;
|
|
|
|
device_printf(sc->mrsas_dev, "FW supports <%d> MSIX vector,"
|
|
"Online CPU %d Current MSIX <%d>\n",
|
|
fw_msix_count, mp_ncpus, sc->msix_vectors);
|
|
}
|
|
|
|
/* Get operational params, sge flags, send init cmd to ctlr */
|
|
if (mrsas_init_adapter(sc) != SUCCESS){
|
|
device_printf(sc->mrsas_dev, "Adapter initialize Fail.\n");
|
|
return(1);
|
|
}
|
|
|
|
/* Allocate internal commands for pass-thru */
|
|
if (mrsas_alloc_mfi_cmds(sc) != SUCCESS){
|
|
device_printf(sc->mrsas_dev, "Allocate MFI cmd failed.\n");
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* Get the controller info from FW, so that
|
|
* the MAX VD support availability can be decided.
|
|
*/
|
|
ctrl_info = malloc(sizeof(struct mrsas_ctrl_info), M_MRSAS, M_NOWAIT);
|
|
if (!ctrl_info)
|
|
device_printf(sc->mrsas_dev, "Malloc for ctrl_info failed.\n");
|
|
|
|
if (mrsas_get_ctrl_info(sc, ctrl_info)) {
|
|
device_printf(sc->mrsas_dev, "Unable to get FW ctrl_info.\n");
|
|
}
|
|
|
|
sc->max256vdSupport =
|
|
(u_int8_t) ctrl_info->adapterOperations3.supportMaxExtLDs;
|
|
|
|
if (ctrl_info->max_lds > 64){
|
|
sc->max256vdSupport = 1;
|
|
}
|
|
|
|
if (mrsas_setup_raidmap(sc) != SUCCESS) {
|
|
device_printf(sc->mrsas_dev, "Set up RAID map failed.\n");
|
|
return(1);
|
|
}
|
|
|
|
/* For pass-thru, get PD/LD list and controller info */
|
|
memset(sc->pd_list, 0,
|
|
MRSAS_MAX_PD * sizeof(struct mrsas_pd_list));
|
|
mrsas_get_pd_list(sc);
|
|
|
|
memset(sc->ld_ids, 0xff, MRSAS_MAX_LD_IDS);
|
|
mrsas_get_ld_list(sc);
|
|
|
|
/*
|
|
* Compute the max allowed sectors per IO: The controller info has two
|
|
* limits on max sectors. Driver should use the minimum of these two.
|
|
*
|
|
* 1 << stripe_sz_ops.min = max sectors per strip
|
|
*
|
|
* Note that older firmwares ( < FW ver 30) didn't report information
|
|
* to calculate max_sectors_1. So the number ended up as zero always.
|
|
*/
|
|
tmp_sectors = 0;
|
|
max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) *
|
|
ctrl_info->max_strips_per_io;
|
|
max_sectors_2 = ctrl_info->max_request_size;
|
|
tmp_sectors = min(max_sectors_1 , max_sectors_2);
|
|
sc->max_sectors_per_req = sc->max_num_sge * MRSAS_PAGE_SIZE / 512;
|
|
|
|
if (tmp_sectors && (sc->max_sectors_per_req > tmp_sectors))
|
|
sc->max_sectors_per_req = tmp_sectors;
|
|
|
|
sc->disableOnlineCtrlReset =
|
|
ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset;
|
|
sc->UnevenSpanSupport =
|
|
ctrl_info->adapterOperations2.supportUnevenSpans;
|
|
if(sc->UnevenSpanSupport) {
|
|
printf("FW supports: UnevenSpanSupport=%x\n\n",
|
|
sc->UnevenSpanSupport);
|
|
|
|
if (MR_ValidateMapInfo(sc))
|
|
sc->fast_path_io = 1;
|
|
else
|
|
sc->fast_path_io = 0;
|
|
}
|
|
|
|
if (ctrl_info)
|
|
free(ctrl_info, M_MRSAS);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_init_adapter: Initializes the adapter/controller
|
|
* input: Adapter soft state
|
|
*
|
|
* Prepares for the issuing of the IOC Init cmd to FW for initializing the
|
|
* ROC/controller. The FW register is read to determined the number of
|
|
* commands that is supported. All memory allocations for IO is based on
|
|
* max_cmd. Appropriate calculations are performed in this function.
|
|
*/
|
|
int mrsas_init_adapter(struct mrsas_softc *sc)
|
|
{
|
|
uint32_t status;
|
|
u_int32_t max_cmd;
|
|
int ret;
|
|
int i = 0;
|
|
|
|
/* Read FW status register */
|
|
status = mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_scratch_pad));
|
|
|
|
/* Get operational params from status register */
|
|
sc->max_fw_cmds = status & MRSAS_FWSTATE_MAXCMD_MASK;
|
|
|
|
/* Decrement the max supported by 1, to correlate with FW */
|
|
sc->max_fw_cmds = sc->max_fw_cmds-1;
|
|
max_cmd = sc->max_fw_cmds;
|
|
|
|
/* Determine allocation size of command frames */
|
|
sc->reply_q_depth = ((max_cmd +1 +15)/16*16);
|
|
sc->request_alloc_sz = sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION) * max_cmd;
|
|
sc->reply_alloc_sz = sizeof(MPI2_REPLY_DESCRIPTORS_UNION) * (sc->reply_q_depth);
|
|
sc->io_frames_alloc_sz = MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE + (MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * (max_cmd + 1));
|
|
sc->chain_frames_alloc_sz = 1024 * max_cmd;
|
|
sc->max_sge_in_main_msg = (MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE -
|
|
offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL))/16;
|
|
|
|
sc->max_sge_in_chain = MRSAS_MAX_SZ_CHAIN_FRAME / sizeof(MPI2_SGE_IO_UNION);
|
|
sc->max_num_sge = sc->max_sge_in_main_msg + sc->max_sge_in_chain - 2;
|
|
|
|
/* Used for pass thru MFI frame (DCMD) */
|
|
sc->chain_offset_mfi_pthru = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL)/16;
|
|
|
|
sc->chain_offset_io_request = (MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE -
|
|
sizeof(MPI2_SGE_IO_UNION))/16;
|
|
|
|
int count = sc->msix_vectors > 0 ? sc->msix_vectors : 1;
|
|
for (i = 0 ; i < count; i++)
|
|
sc->last_reply_idx[i] = 0;
|
|
|
|
ret = mrsas_alloc_mem(sc);
|
|
if (ret != SUCCESS)
|
|
return(ret);
|
|
|
|
ret = mrsas_alloc_mpt_cmds(sc);
|
|
if (ret != SUCCESS)
|
|
return(ret);
|
|
|
|
ret = mrsas_ioc_init(sc);
|
|
if (ret != SUCCESS)
|
|
return(ret);
|
|
|
|
|
|
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_alloc_ioc_cmd: Allocates memory for IOC Init command
|
|
* input: Adapter soft state
|
|
*
|
|
* Allocates for the IOC Init cmd to FW to initialize the ROC/controller.
|
|
*/
|
|
int mrsas_alloc_ioc_cmd(struct mrsas_softc *sc)
|
|
{
|
|
int ioc_init_size;
|
|
|
|
/* Allocate IOC INIT command */
|
|
ioc_init_size = 1024 + sizeof(MPI2_IOC_INIT_REQUEST);
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
1, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
ioc_init_size, // maxsize
|
|
1, // msegments
|
|
ioc_init_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->ioc_init_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate ioc init tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->ioc_init_tag, (void **)&sc->ioc_init_mem,
|
|
BUS_DMA_NOWAIT, &sc->ioc_init_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate ioc init cmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
bzero(sc->ioc_init_mem, ioc_init_size);
|
|
if (bus_dmamap_load(sc->ioc_init_tag, sc->ioc_init_dmamap,
|
|
sc->ioc_init_mem, ioc_init_size, mrsas_addr_cb,
|
|
&sc->ioc_init_phys_mem, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load ioc init cmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_free_ioc_cmd: Allocates memory for IOC Init command
|
|
* input: Adapter soft state
|
|
*
|
|
* Deallocates memory of the IOC Init cmd.
|
|
*/
|
|
void mrsas_free_ioc_cmd(struct mrsas_softc *sc)
|
|
{
|
|
if (sc->ioc_init_phys_mem)
|
|
bus_dmamap_unload(sc->ioc_init_tag, sc->ioc_init_dmamap);
|
|
if (sc->ioc_init_mem != NULL)
|
|
bus_dmamem_free(sc->ioc_init_tag, sc->ioc_init_mem, sc->ioc_init_dmamap);
|
|
if (sc->ioc_init_tag != NULL)
|
|
bus_dma_tag_destroy(sc->ioc_init_tag);
|
|
}
|
|
|
|
/**
|
|
* mrsas_ioc_init: Sends IOC Init command to FW
|
|
* input: Adapter soft state
|
|
*
|
|
* Issues the IOC Init cmd to FW to initialize the ROC/controller.
|
|
*/
|
|
int mrsas_ioc_init(struct mrsas_softc *sc)
|
|
{
|
|
struct mrsas_init_frame *init_frame;
|
|
pMpi2IOCInitRequest_t IOCInitMsg;
|
|
MRSAS_REQUEST_DESCRIPTOR_UNION req_desc;
|
|
u_int8_t max_wait = MRSAS_IOC_INIT_WAIT_TIME;
|
|
bus_addr_t phys_addr;
|
|
int i, retcode = 0;
|
|
|
|
/* Allocate memory for the IOC INIT command */
|
|
if (mrsas_alloc_ioc_cmd(sc)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate IOC command.\n");
|
|
return(1);
|
|
}
|
|
|
|
IOCInitMsg = (pMpi2IOCInitRequest_t)(((char *)sc->ioc_init_mem) +1024);
|
|
IOCInitMsg->Function = MPI2_FUNCTION_IOC_INIT;
|
|
IOCInitMsg->WhoInit = MPI2_WHOINIT_HOST_DRIVER;
|
|
IOCInitMsg->MsgVersion = MPI2_VERSION;
|
|
IOCInitMsg->HeaderVersion = MPI2_HEADER_VERSION;
|
|
IOCInitMsg->SystemRequestFrameSize = MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4;
|
|
IOCInitMsg->ReplyDescriptorPostQueueDepth = sc->reply_q_depth;
|
|
IOCInitMsg->ReplyDescriptorPostQueueAddress = sc->reply_desc_phys_addr;
|
|
IOCInitMsg->SystemRequestFrameBaseAddress = sc->io_request_phys_addr;
|
|
IOCInitMsg->HostMSIxVectors = (sc->msix_vectors > 0 ? sc->msix_vectors : 0);
|
|
|
|
init_frame = (struct mrsas_init_frame *)sc->ioc_init_mem;
|
|
init_frame->cmd = MFI_CMD_INIT;
|
|
init_frame->cmd_status = 0xFF;
|
|
init_frame->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
|
|
|
|
/* driver support Extended MSIX */
|
|
if ((sc->device_id == MRSAS_INVADER) ||
|
|
(sc->device_id == MRSAS_FURY)) {
|
|
init_frame->driver_operations.
|
|
mfi_capabilities.support_additional_msix = 1;
|
|
}
|
|
|
|
|
|
if (sc->verbuf_mem) {
|
|
snprintf((char *)sc->verbuf_mem, strlen(MRSAS_VERSION)+2,"%s\n",
|
|
MRSAS_VERSION);
|
|
init_frame->driver_ver_lo = (bus_addr_t)sc->verbuf_phys_addr;
|
|
init_frame->driver_ver_hi = 0;
|
|
}
|
|
|
|
init_frame->driver_operations.mfi_capabilities.support_max_255lds = 1;
|
|
phys_addr = (bus_addr_t)sc->ioc_init_phys_mem + 1024;
|
|
init_frame->queue_info_new_phys_addr_lo = phys_addr;
|
|
init_frame->data_xfer_len = sizeof(Mpi2IOCInitRequest_t);
|
|
|
|
req_desc.addr.Words = (bus_addr_t)sc->ioc_init_phys_mem;
|
|
req_desc.MFAIo.RequestFlags =
|
|
(MRSAS_REQ_DESCRIPT_FLAGS_MFA << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
|
|
|
|
mrsas_disable_intr(sc);
|
|
mrsas_dprint(sc, MRSAS_OCR, "Issuing IOC INIT command to FW.\n");
|
|
//device_printf(sc->mrsas_dev, "Issuing IOC INIT command to FW.\n");del?
|
|
mrsas_fire_cmd(sc, req_desc.addr.u.low, req_desc.addr.u.high);
|
|
|
|
/*
|
|
* Poll response timer to wait for Firmware response. While this
|
|
* timer with the DELAY call could block CPU, the time interval for
|
|
* this is only 1 millisecond.
|
|
*/
|
|
if (init_frame->cmd_status == 0xFF) {
|
|
for (i=0; i < (max_wait * 1000); i++){
|
|
if (init_frame->cmd_status == 0xFF)
|
|
DELAY(1000);
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (init_frame->cmd_status == 0)
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"IOC INIT response received from FW.\n");
|
|
//device_printf(sc->mrsas_dev, "IOC INIT response received from FW.\n");del?
|
|
else
|
|
{
|
|
if (init_frame->cmd_status == 0xFF)
|
|
device_printf(sc->mrsas_dev, "IOC Init timed out after %d seconds.\n", max_wait);
|
|
else
|
|
device_printf(sc->mrsas_dev, "IOC Init failed, status = 0x%x\n", init_frame->cmd_status);
|
|
retcode = 1;
|
|
}
|
|
|
|
mrsas_free_ioc_cmd(sc);
|
|
return (retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_alloc_mpt_cmds: Allocates the command packets
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function allocates the internal commands for IOs. Each command that is
|
|
* issued to FW is wrapped in a local data structure called mrsas_mpt_cmd.
|
|
* An array is allocated with mrsas_mpt_cmd context. The free commands are
|
|
* maintained in a linked list (cmd pool). SMID value range is from 1 to
|
|
* max_fw_cmds.
|
|
*/
|
|
int mrsas_alloc_mpt_cmds(struct mrsas_softc *sc)
|
|
{
|
|
int i, j;
|
|
u_int32_t max_cmd, count;
|
|
struct mrsas_mpt_cmd *cmd;
|
|
pMpi2ReplyDescriptorsUnion_t reply_desc;
|
|
u_int32_t offset, chain_offset, sense_offset;
|
|
bus_addr_t io_req_base_phys, chain_frame_base_phys, sense_base_phys;
|
|
u_int8_t *io_req_base, *chain_frame_base, *sense_base;
|
|
|
|
max_cmd = sc->max_fw_cmds;
|
|
|
|
sc->req_desc = malloc(sc->request_alloc_sz, M_MRSAS, M_NOWAIT);
|
|
if (!sc->req_desc) {
|
|
device_printf(sc->mrsas_dev, "Out of memory, cannot alloc req desc\n");
|
|
return(ENOMEM);
|
|
}
|
|
memset(sc->req_desc, 0, sc->request_alloc_sz);
|
|
|
|
/*
|
|
* sc->mpt_cmd_list is an array of struct mrsas_mpt_cmd pointers. Allocate the
|
|
* dynamic array first and then allocate individual commands.
|
|
*/
|
|
sc->mpt_cmd_list = malloc(sizeof(struct mrsas_mpt_cmd*)*max_cmd, M_MRSAS, M_NOWAIT);
|
|
if (!sc->mpt_cmd_list) {
|
|
device_printf(sc->mrsas_dev, "Cannot alloc memory for mpt_cmd_list.\n");
|
|
return(ENOMEM);
|
|
}
|
|
memset(sc->mpt_cmd_list, 0, sizeof(struct mrsas_mpt_cmd *)*max_cmd);
|
|
for (i = 0; i < max_cmd; i++) {
|
|
sc->mpt_cmd_list[i] = malloc(sizeof(struct mrsas_mpt_cmd),
|
|
M_MRSAS, M_NOWAIT);
|
|
if (!sc->mpt_cmd_list[i]) {
|
|
for (j = 0; j < i; j++)
|
|
free(sc->mpt_cmd_list[j],M_MRSAS);
|
|
free(sc->mpt_cmd_list, M_MRSAS);
|
|
sc->mpt_cmd_list = NULL;
|
|
return(ENOMEM);
|
|
}
|
|
}
|
|
|
|
io_req_base = (u_int8_t*)sc->io_request_mem + MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE;
|
|
io_req_base_phys = (bus_addr_t)sc->io_request_phys_addr + MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE;
|
|
chain_frame_base = (u_int8_t*)sc->chain_frame_mem;
|
|
chain_frame_base_phys = (bus_addr_t)sc->chain_frame_phys_addr;
|
|
sense_base = (u_int8_t*)sc->sense_mem;
|
|
sense_base_phys = (bus_addr_t)sc->sense_phys_addr;
|
|
for (i = 0; i < max_cmd; i++) {
|
|
cmd = sc->mpt_cmd_list[i];
|
|
offset = MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i;
|
|
chain_offset = 1024 * i;
|
|
sense_offset = MRSAS_SENSE_LEN * i;
|
|
memset(cmd, 0, sizeof(struct mrsas_mpt_cmd));
|
|
cmd->index = i + 1;
|
|
cmd->ccb_ptr = NULL;
|
|
callout_init(&cmd->cm_callout, 0);
|
|
cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX;
|
|
cmd->sc = sc;
|
|
cmd->io_request = (MRSAS_RAID_SCSI_IO_REQUEST *) (io_req_base + offset);
|
|
memset(cmd->io_request, 0, sizeof(MRSAS_RAID_SCSI_IO_REQUEST));
|
|
cmd->io_request_phys_addr = io_req_base_phys + offset;
|
|
cmd->chain_frame = (MPI2_SGE_IO_UNION *) (chain_frame_base + chain_offset);
|
|
cmd->chain_frame_phys_addr = chain_frame_base_phys + chain_offset;
|
|
cmd->sense = sense_base + sense_offset;
|
|
cmd->sense_phys_addr = sense_base_phys + sense_offset;
|
|
if (bus_dmamap_create(sc->data_tag, 0, &cmd->data_dmamap)) {
|
|
return(FAIL);
|
|
}
|
|
TAILQ_INSERT_TAIL(&(sc->mrsas_mpt_cmd_list_head), cmd, next);
|
|
}
|
|
|
|
/* Initialize reply descriptor array to 0xFFFFFFFF */
|
|
reply_desc = sc->reply_desc_mem;
|
|
count = sc->msix_vectors > 0 ? sc->msix_vectors : 1;
|
|
for (i = 0; i < sc->reply_q_depth * count ; i++, reply_desc++) {
|
|
reply_desc->Words = MRSAS_ULONG_MAX;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_fire_cmd: Sends command to FW
|
|
* input: Adapter soft state
|
|
* request descriptor address low
|
|
* request descriptor address high
|
|
*
|
|
* This functions fires the command to Firmware by writing to the
|
|
* inbound_low_queue_port and inbound_high_queue_port.
|
|
*/
|
|
void mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
|
|
u_int32_t req_desc_hi)
|
|
{
|
|
mtx_lock(&sc->pci_lock);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, inbound_low_queue_port),
|
|
req_desc_lo);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, inbound_high_queue_port),
|
|
req_desc_hi);
|
|
mtx_unlock(&sc->pci_lock);
|
|
}
|
|
|
|
/**
|
|
* mrsas_transition_to_ready: Move FW to Ready state
|
|
* input: Adapter instance soft state
|
|
*
|
|
* During the initialization, FW passes can potentially be in any one of
|
|
* several possible states. If the FW in operational, waiting-for-handshake
|
|
* states, driver must take steps to bring it to ready state. Otherwise, it
|
|
* has to wait for the ready state.
|
|
*/
|
|
int mrsas_transition_to_ready(struct mrsas_softc *sc, int ocr)
|
|
{
|
|
int i;
|
|
u_int8_t max_wait;
|
|
u_int32_t val, fw_state;
|
|
u_int32_t cur_state;
|
|
u_int32_t abs_state, curr_abs_state;
|
|
|
|
val = mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_scratch_pad));
|
|
fw_state = val & MFI_STATE_MASK;
|
|
max_wait = MRSAS_RESET_WAIT_TIME;
|
|
|
|
if (fw_state != MFI_STATE_READY)
|
|
device_printf(sc->mrsas_dev, "Waiting for FW to come to ready state\n");
|
|
|
|
while (fw_state != MFI_STATE_READY) {
|
|
abs_state = mrsas_read_reg(sc, offsetof(mrsas_reg_set, outbound_scratch_pad));
|
|
switch (fw_state) {
|
|
case MFI_STATE_FAULT:
|
|
device_printf(sc->mrsas_dev, "FW is in FAULT state!!\n");
|
|
if (ocr) {
|
|
cur_state = MFI_STATE_FAULT;
|
|
break;
|
|
}
|
|
else
|
|
return -ENODEV;
|
|
case MFI_STATE_WAIT_HANDSHAKE:
|
|
/* Set the CLR bit in inbound doorbell */
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, doorbell),
|
|
MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG);
|
|
cur_state = MFI_STATE_WAIT_HANDSHAKE;
|
|
break;
|
|
case MFI_STATE_BOOT_MESSAGE_PENDING:
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, doorbell),
|
|
MFI_INIT_HOTPLUG);
|
|
cur_state = MFI_STATE_BOOT_MESSAGE_PENDING;
|
|
break;
|
|
case MFI_STATE_OPERATIONAL:
|
|
/* Bring it to READY state; assuming max wait 10 secs */
|
|
mrsas_disable_intr(sc);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, doorbell), MFI_RESET_FLAGS);
|
|
for (i=0; i < max_wait * 1000; i++) {
|
|
if (mrsas_read_reg(sc, offsetof(mrsas_reg_set, doorbell)) & 1)
|
|
DELAY(1000);
|
|
else
|
|
break;
|
|
}
|
|
cur_state = MFI_STATE_OPERATIONAL;
|
|
break;
|
|
case MFI_STATE_UNDEFINED:
|
|
/* This state should not last for more than 2 seconds */
|
|
cur_state = MFI_STATE_UNDEFINED;
|
|
break;
|
|
case MFI_STATE_BB_INIT:
|
|
cur_state = MFI_STATE_BB_INIT;
|
|
break;
|
|
case MFI_STATE_FW_INIT:
|
|
cur_state = MFI_STATE_FW_INIT;
|
|
break;
|
|
case MFI_STATE_FW_INIT_2:
|
|
cur_state = MFI_STATE_FW_INIT_2;
|
|
break;
|
|
case MFI_STATE_DEVICE_SCAN:
|
|
cur_state = MFI_STATE_DEVICE_SCAN;
|
|
break;
|
|
case MFI_STATE_FLUSH_CACHE:
|
|
cur_state = MFI_STATE_FLUSH_CACHE;
|
|
break;
|
|
default:
|
|
device_printf(sc->mrsas_dev, "Unknown state 0x%x\n", fw_state);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/*
|
|
* The cur_state should not last for more than max_wait secs
|
|
*/
|
|
for (i = 0; i < (max_wait * 1000); i++) {
|
|
fw_state = (mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
outbound_scratch_pad))& MFI_STATE_MASK);
|
|
curr_abs_state = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
outbound_scratch_pad));
|
|
if (abs_state == curr_abs_state)
|
|
DELAY(1000);
|
|
else
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Return error if fw_state hasn't changed after max_wait
|
|
*/
|
|
if (curr_abs_state == abs_state) {
|
|
device_printf(sc->mrsas_dev, "FW state [%d] hasn't changed "
|
|
"in %d secs\n", fw_state, max_wait);
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
mrsas_dprint(sc, MRSAS_OCR, "FW now in Ready state\n");
|
|
//device_printf(sc->mrsas_dev, "FW now in Ready state\n");del?
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_mfi_cmd: Get a cmd from free command pool
|
|
* input: Adapter soft state
|
|
*
|
|
* This function removes an MFI command from the command list.
|
|
*/
|
|
struct mrsas_mfi_cmd* mrsas_get_mfi_cmd(struct mrsas_softc *sc)
|
|
{
|
|
struct mrsas_mfi_cmd *cmd = NULL;
|
|
|
|
mtx_lock(&sc->mfi_cmd_pool_lock);
|
|
if (!TAILQ_EMPTY(&sc->mrsas_mfi_cmd_list_head)){
|
|
cmd = TAILQ_FIRST(&sc->mrsas_mfi_cmd_list_head);
|
|
TAILQ_REMOVE(&sc->mrsas_mfi_cmd_list_head, cmd, next);
|
|
}
|
|
mtx_unlock(&sc->mfi_cmd_pool_lock);
|
|
|
|
return cmd;
|
|
}
|
|
|
|
/**
|
|
* mrsas_ocr_thread Thread to handle OCR/Kill Adapter.
|
|
* input: Adapter Context.
|
|
*
|
|
* This function will check FW status register and flag
|
|
* do_timeout_reset flag. It will do OCR/Kill adapter if
|
|
* FW is in fault state or IO timed out has trigger reset.
|
|
*/
|
|
static void
|
|
mrsas_ocr_thread(void *arg)
|
|
{
|
|
struct mrsas_softc *sc;
|
|
u_int32_t fw_status, fw_state;
|
|
|
|
sc = (struct mrsas_softc *)arg;
|
|
|
|
mrsas_dprint(sc, MRSAS_TRACE, "%s\n", __func__);
|
|
|
|
sc->ocr_thread_active = 1;
|
|
mtx_lock(&sc->sim_lock);
|
|
for (;;) {
|
|
/* Sleep for 1 second and check the queue status*/
|
|
msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO,
|
|
"mrsas_ocr", sc->mrsas_fw_fault_check_delay * hz);
|
|
if (sc->remove_in_progress) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"Exit due to shutdown from %s\n", __func__);
|
|
break;
|
|
}
|
|
fw_status = mrsas_read_reg(sc,
|
|
offsetof(mrsas_reg_set, outbound_scratch_pad));
|
|
fw_state = fw_status & MFI_STATE_MASK;
|
|
if (fw_state == MFI_STATE_FAULT || sc->do_timedout_reset) {
|
|
device_printf(sc->mrsas_dev, "OCR started due to %s!\n",
|
|
sc->do_timedout_reset?"IO Timeout":
|
|
"FW fault detected");
|
|
mtx_lock_spin(&sc->ioctl_lock);
|
|
sc->reset_in_progress = 1;
|
|
sc->reset_count++;
|
|
mtx_unlock_spin(&sc->ioctl_lock);
|
|
mrsas_xpt_freeze(sc);
|
|
mrsas_reset_ctrl(sc);
|
|
mrsas_xpt_release(sc);
|
|
sc->reset_in_progress = 0;
|
|
sc->do_timedout_reset = 0;
|
|
}
|
|
}
|
|
mtx_unlock(&sc->sim_lock);
|
|
sc->ocr_thread_active = 0;
|
|
mrsas_kproc_exit(0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_reset_reply_desc Reset Reply descriptor as part of OCR.
|
|
* input: Adapter Context.
|
|
*
|
|
* This function will clear reply descriptor so that post OCR
|
|
* driver and FW will lost old history.
|
|
*/
|
|
void mrsas_reset_reply_desc(struct mrsas_softc *sc)
|
|
{
|
|
int i, count;
|
|
pMpi2ReplyDescriptorsUnion_t reply_desc;
|
|
|
|
count = sc->msix_vectors > 0 ? sc->msix_vectors : 1;
|
|
for (i = 0 ; i < count ; i++)
|
|
sc->last_reply_idx[i] = 0;
|
|
|
|
reply_desc = sc->reply_desc_mem;
|
|
for (i = 0; i < sc->reply_q_depth; i++, reply_desc++) {
|
|
reply_desc->Words = MRSAS_ULONG_MAX;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mrsas_reset_ctrl Core function to OCR/Kill adapter.
|
|
* input: Adapter Context.
|
|
*
|
|
* This function will run from thread context so that it can sleep.
|
|
* 1. Do not handle OCR if FW is in HW critical error.
|
|
* 2. Wait for outstanding command to complete for 180 seconds.
|
|
* 3. If #2 does not find any outstanding command Controller is in working
|
|
* state, so skip OCR.
|
|
* Otherwise, do OCR/kill Adapter based on flag disableOnlineCtrlReset.
|
|
* 4. Start of the OCR, return all SCSI command back to CAM layer which has
|
|
* ccb_ptr.
|
|
* 5. Post OCR, Re-fire Managment command and move Controller to Operation
|
|
* state.
|
|
*/
|
|
int mrsas_reset_ctrl(struct mrsas_softc *sc)
|
|
{
|
|
int retval = SUCCESS, i, j, retry = 0;
|
|
u_int32_t host_diag, abs_state, status_reg, reset_adapter;
|
|
union ccb *ccb;
|
|
struct mrsas_mfi_cmd *mfi_cmd;
|
|
struct mrsas_mpt_cmd *mpt_cmd;
|
|
MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
|
|
|
|
if (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR) {
|
|
device_printf(sc->mrsas_dev,
|
|
"mrsas: Hardware critical error, returning FAIL.\n");
|
|
return FAIL;
|
|
}
|
|
|
|
set_bit(MRSAS_FUSION_IN_RESET, &sc->reset_flags);
|
|
sc->adprecovery = MRSAS_ADPRESET_SM_INFAULT;
|
|
mrsas_disable_intr(sc);
|
|
DELAY(1000 * 1000);
|
|
|
|
/* First try waiting for commands to complete */
|
|
if (mrsas_wait_for_outstanding(sc)) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"resetting adapter from %s.\n",
|
|
__func__);
|
|
/* Now return commands back to the CAM layer */
|
|
for (i = 0 ; i < sc->max_fw_cmds; i++) {
|
|
mpt_cmd = sc->mpt_cmd_list[i];
|
|
if (mpt_cmd->ccb_ptr) {
|
|
ccb = (union ccb *)(mpt_cmd->ccb_ptr);
|
|
ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
|
|
mrsas_cmd_done(sc, mpt_cmd);
|
|
atomic_dec(&sc->fw_outstanding);
|
|
}
|
|
}
|
|
|
|
status_reg = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
outbound_scratch_pad));
|
|
abs_state = status_reg & MFI_STATE_MASK;
|
|
reset_adapter = status_reg & MFI_RESET_ADAPTER;
|
|
if (sc->disableOnlineCtrlReset ||
|
|
(abs_state == MFI_STATE_FAULT && !reset_adapter)) {
|
|
/* Reset not supported, kill adapter */
|
|
mrsas_dprint(sc, MRSAS_OCR,"Reset not supported, killing adapter.\n");
|
|
mrsas_kill_hba(sc);
|
|
sc->adprecovery = MRSAS_HW_CRITICAL_ERROR;
|
|
retval = FAIL;
|
|
goto out;
|
|
}
|
|
|
|
/* Now try to reset the chip */
|
|
for (i = 0; i < MRSAS_FUSION_MAX_RESET_TRIES; i++) {
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_seq_offset),
|
|
MPI2_WRSEQ_FLUSH_KEY_VALUE);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_seq_offset),
|
|
MPI2_WRSEQ_1ST_KEY_VALUE);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_seq_offset),
|
|
MPI2_WRSEQ_2ND_KEY_VALUE);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_seq_offset),
|
|
MPI2_WRSEQ_3RD_KEY_VALUE);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_seq_offset),
|
|
MPI2_WRSEQ_4TH_KEY_VALUE);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_seq_offset),
|
|
MPI2_WRSEQ_5TH_KEY_VALUE);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_seq_offset),
|
|
MPI2_WRSEQ_6TH_KEY_VALUE);
|
|
|
|
/* Check that the diag write enable (DRWE) bit is on */
|
|
host_diag = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
fusion_host_diag));
|
|
retry = 0;
|
|
while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) {
|
|
DELAY(100 * 1000);
|
|
host_diag = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
fusion_host_diag));
|
|
if (retry++ == 100) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"Host diag unlock failed!\n");
|
|
break;
|
|
}
|
|
}
|
|
if (!(host_diag & HOST_DIAG_WRITE_ENABLE))
|
|
continue;
|
|
|
|
/* Send chip reset command */
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, fusion_host_diag),
|
|
host_diag | HOST_DIAG_RESET_ADAPTER);
|
|
DELAY(3000 * 1000);
|
|
|
|
/* Make sure reset adapter bit is cleared */
|
|
host_diag = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
fusion_host_diag));
|
|
retry = 0;
|
|
while (host_diag & HOST_DIAG_RESET_ADAPTER) {
|
|
DELAY(100 * 1000);
|
|
host_diag = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
fusion_host_diag));
|
|
if (retry++ == 1000) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"Diag reset adapter never cleared!\n");
|
|
break;
|
|
}
|
|
}
|
|
if (host_diag & HOST_DIAG_RESET_ADAPTER)
|
|
continue;
|
|
|
|
abs_state = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
outbound_scratch_pad)) & MFI_STATE_MASK;
|
|
retry = 0;
|
|
|
|
while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) {
|
|
DELAY(100 * 1000);
|
|
abs_state = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
outbound_scratch_pad)) & MFI_STATE_MASK;
|
|
}
|
|
if (abs_state <= MFI_STATE_FW_INIT) {
|
|
mrsas_dprint(sc, MRSAS_OCR, "firmware state < MFI_STATE_FW_INIT,"
|
|
" state = 0x%x\n", abs_state);
|
|
continue;
|
|
}
|
|
|
|
/* Wait for FW to become ready */
|
|
if (mrsas_transition_to_ready(sc, 1)) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"mrsas: Failed to transition controller to ready.\n");
|
|
continue;
|
|
}
|
|
|
|
mrsas_reset_reply_desc(sc);
|
|
if (mrsas_ioc_init(sc)) {
|
|
mrsas_dprint(sc, MRSAS_OCR, "mrsas_ioc_init() failed!\n");
|
|
continue;
|
|
}
|
|
|
|
clear_bit(MRSAS_FUSION_IN_RESET, &sc->reset_flags);
|
|
mrsas_enable_intr(sc);
|
|
sc->adprecovery = MRSAS_HBA_OPERATIONAL;
|
|
|
|
/* Re-fire management commands */
|
|
for (j = 0 ; j < sc->max_fw_cmds; j++) {
|
|
mpt_cmd = sc->mpt_cmd_list[j];
|
|
if (mpt_cmd->sync_cmd_idx != (u_int32_t)MRSAS_ULONG_MAX) {
|
|
mfi_cmd = sc->mfi_cmd_list[mpt_cmd->sync_cmd_idx];
|
|
if (mfi_cmd->frame->dcmd.opcode ==
|
|
MR_DCMD_LD_MAP_GET_INFO) {
|
|
mrsas_release_mfi_cmd(mfi_cmd);
|
|
mrsas_release_mpt_cmd(mpt_cmd);
|
|
} else {
|
|
req_desc = mrsas_get_request_desc(sc,
|
|
mfi_cmd->cmd_id.context.smid - 1);
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"Re-fire command DCMD opcode 0x%x index %d\n ",
|
|
mfi_cmd->frame->dcmd.opcode, j);
|
|
if (!req_desc)
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot build MPT cmd.\n");
|
|
else
|
|
mrsas_fire_cmd(sc, req_desc->addr.u.low,
|
|
req_desc->addr.u.high);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Reset load balance info */
|
|
memset(sc->load_balance_info, 0,
|
|
sizeof(LD_LOAD_BALANCE_INFO) * MAX_LOGICAL_DRIVES_EXT);
|
|
|
|
if (!mrsas_get_map_info(sc))
|
|
mrsas_sync_map_info(sc);
|
|
|
|
/* Adapter reset completed successfully */
|
|
device_printf(sc->mrsas_dev, "Reset successful\n");
|
|
retval = SUCCESS;
|
|
goto out;
|
|
}
|
|
/* Reset failed, kill the adapter */
|
|
device_printf(sc->mrsas_dev, "Reset failed, killing adapter.\n");
|
|
mrsas_kill_hba(sc);
|
|
retval = FAIL;
|
|
} else {
|
|
clear_bit(MRSAS_FUSION_IN_RESET, &sc->reset_flags);
|
|
mrsas_enable_intr(sc);
|
|
sc->adprecovery = MRSAS_HBA_OPERATIONAL;
|
|
}
|
|
out:
|
|
clear_bit(MRSAS_FUSION_IN_RESET, &sc->reset_flags);
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"Reset Exit with %d.\n", retval);
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mrsas_kill_hba Kill HBA when OCR is not supported.
|
|
* input: Adapter Context.
|
|
*
|
|
* This function will kill HBA when OCR is not supported.
|
|
*/
|
|
void mrsas_kill_hba (struct mrsas_softc *sc)
|
|
{
|
|
mrsas_dprint(sc, MRSAS_OCR, "%s\n", __func__);
|
|
mrsas_write_reg(sc, offsetof(mrsas_reg_set, doorbell),
|
|
MFI_STOP_ADP);
|
|
/* Flush */
|
|
mrsas_read_reg(sc, offsetof(mrsas_reg_set, doorbell));
|
|
}
|
|
|
|
/**
|
|
* mrsas_wait_for_outstanding Wait for outstanding commands
|
|
* input: Adapter Context.
|
|
*
|
|
* This function will wait for 180 seconds for outstanding
|
|
* commands to be completed.
|
|
*/
|
|
int mrsas_wait_for_outstanding(struct mrsas_softc *sc)
|
|
{
|
|
int i, outstanding, retval = 0;
|
|
u_int32_t fw_state, count, MSIxIndex;
|
|
|
|
|
|
for (i = 0; i < MRSAS_RESET_WAIT_TIME; i++) {
|
|
if (sc->remove_in_progress) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"Driver remove or shutdown called.\n");
|
|
retval = 1;
|
|
goto out;
|
|
}
|
|
/* Check if firmware is in fault state */
|
|
fw_state = mrsas_read_reg(sc, offsetof(mrsas_reg_set,
|
|
outbound_scratch_pad)) & MFI_STATE_MASK;
|
|
if (fw_state == MFI_STATE_FAULT) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
"Found FW in FAULT state, will reset adapter.\n");
|
|
retval = 1;
|
|
goto out;
|
|
}
|
|
outstanding = atomic_read(&sc->fw_outstanding);
|
|
if (!outstanding)
|
|
goto out;
|
|
|
|
if (!(i % MRSAS_RESET_NOTICE_INTERVAL)) {
|
|
mrsas_dprint(sc, MRSAS_OCR, "[%2d]waiting for %d "
|
|
"commands to complete\n",i,outstanding);
|
|
count = sc->msix_vectors > 0 ? sc->msix_vectors : 1;
|
|
for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++)
|
|
mrsas_complete_cmd(sc, MSIxIndex);
|
|
}
|
|
DELAY(1000 * 1000);
|
|
}
|
|
|
|
if (atomic_read(&sc->fw_outstanding)) {
|
|
mrsas_dprint(sc, MRSAS_OCR,
|
|
" pending commands remain after waiting,"
|
|
" will reset adapter.\n");
|
|
retval = 1;
|
|
}
|
|
out:
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mrsas_release_mfi_cmd: Return a cmd to free command pool
|
|
* input: Command packet for return to free cmd pool
|
|
*
|
|
* This function returns the MFI command to the command list.
|
|
*/
|
|
void mrsas_release_mfi_cmd(struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
struct mrsas_softc *sc = cmd->sc;
|
|
|
|
mtx_lock(&sc->mfi_cmd_pool_lock);
|
|
cmd->ccb_ptr = NULL;
|
|
cmd->cmd_id.frame_count = 0;
|
|
TAILQ_INSERT_TAIL(&(sc->mrsas_mfi_cmd_list_head), cmd, next);
|
|
mtx_unlock(&sc->mfi_cmd_pool_lock);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_controller_info - Returns FW's controller structure
|
|
* input: Adapter soft state
|
|
* Controller information structure
|
|
*
|
|
* Issues an internal command (DCMD) to get the FW's controller structure.
|
|
* This information is mainly used to find out the maximum IO transfer per
|
|
* command supported by the FW.
|
|
*/
|
|
static int mrsas_get_ctrl_info(struct mrsas_softc *sc,
|
|
struct mrsas_ctrl_info *ctrl_info)
|
|
{
|
|
int retcode = 0;
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev, "Failed to get a free cmd\n");
|
|
return -ENOMEM;
|
|
}
|
|
dcmd = &cmd->frame->dcmd;
|
|
|
|
if (mrsas_alloc_ctlr_info_cmd(sc) != SUCCESS) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate get ctlr info cmd\n");
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return -ENOMEM;
|
|
}
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0xFF;
|
|
dcmd->sge_count = 1;
|
|
dcmd->flags = MFI_FRAME_DIR_READ;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = sizeof(struct mrsas_ctrl_info);
|
|
dcmd->opcode = MR_DCMD_CTRL_GET_INFO;
|
|
dcmd->sgl.sge32[0].phys_addr = sc->ctlr_info_phys_addr;
|
|
dcmd->sgl.sge32[0].length = sizeof(struct mrsas_ctrl_info);
|
|
|
|
if (!mrsas_issue_polled(sc, cmd))
|
|
memcpy(ctrl_info, sc->ctlr_info_mem, sizeof(struct mrsas_ctrl_info));
|
|
else
|
|
retcode = 1;
|
|
|
|
mrsas_free_ctlr_info_cmd(sc);
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_alloc_ctlr_info_cmd: Allocates memory for controller info command
|
|
* input: Adapter soft state
|
|
*
|
|
* Allocates DMAable memory for the controller info internal command.
|
|
*/
|
|
int mrsas_alloc_ctlr_info_cmd(struct mrsas_softc *sc)
|
|
{
|
|
int ctlr_info_size;
|
|
|
|
/* Allocate get controller info command */
|
|
ctlr_info_size = sizeof(struct mrsas_ctrl_info);
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
1, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
ctlr_info_size, // maxsize
|
|
1, // msegments
|
|
ctlr_info_size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&sc->ctlr_info_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate ctlr info tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(sc->ctlr_info_tag, (void **)&sc->ctlr_info_mem,
|
|
BUS_DMA_NOWAIT, &sc->ctlr_info_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate ctlr info cmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamap_load(sc->ctlr_info_tag, sc->ctlr_info_dmamap,
|
|
sc->ctlr_info_mem, ctlr_info_size, mrsas_addr_cb,
|
|
&sc->ctlr_info_phys_addr, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load ctlr info cmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
memset(sc->ctlr_info_mem, 0, ctlr_info_size);
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_free_ctlr_info_cmd: Free memory for controller info command
|
|
* input: Adapter soft state
|
|
*
|
|
* Deallocates memory of the get controller info cmd.
|
|
*/
|
|
void mrsas_free_ctlr_info_cmd(struct mrsas_softc *sc)
|
|
{
|
|
if (sc->ctlr_info_phys_addr)
|
|
bus_dmamap_unload(sc->ctlr_info_tag, sc->ctlr_info_dmamap);
|
|
if (sc->ctlr_info_mem != NULL)
|
|
bus_dmamem_free(sc->ctlr_info_tag, sc->ctlr_info_mem, sc->ctlr_info_dmamap);
|
|
if (sc->ctlr_info_tag != NULL)
|
|
bus_dma_tag_destroy(sc->ctlr_info_tag);
|
|
}
|
|
|
|
/**
|
|
* mrsas_issue_polled: Issues a polling command
|
|
* inputs: Adapter soft state
|
|
* Command packet to be issued
|
|
*
|
|
* This function is for posting of internal commands to Firmware. MFI
|
|
* requires the cmd_status to be set to 0xFF before posting. The maximun
|
|
* wait time of the poll response timer is 180 seconds.
|
|
*/
|
|
int mrsas_issue_polled(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
struct mrsas_header *frame_hdr = &cmd->frame->hdr;
|
|
u_int8_t max_wait = MRSAS_INTERNAL_CMD_WAIT_TIME;
|
|
int i, retcode = 0;
|
|
|
|
frame_hdr->cmd_status = 0xFF;
|
|
frame_hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
|
|
|
|
/* Issue the frame using inbound queue port */
|
|
if (mrsas_issue_dcmd(sc, cmd)) {
|
|
device_printf(sc->mrsas_dev, "Cannot issue DCMD internal command.\n");
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* Poll response timer to wait for Firmware response. While this
|
|
* timer with the DELAY call could block CPU, the time interval for
|
|
* this is only 1 millisecond.
|
|
*/
|
|
if (frame_hdr->cmd_status == 0xFF) {
|
|
for (i=0; i < (max_wait * 1000); i++){
|
|
if (frame_hdr->cmd_status == 0xFF)
|
|
DELAY(1000);
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
if (frame_hdr->cmd_status != 0)
|
|
{
|
|
if (frame_hdr->cmd_status == 0xFF)
|
|
device_printf(sc->mrsas_dev, "DCMD timed out after %d seconds.\n", max_wait);
|
|
else
|
|
device_printf(sc->mrsas_dev, "DCMD failed, status = 0x%x\n", frame_hdr->cmd_status);
|
|
retcode = 1;
|
|
}
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_issue_dcmd - Issues a MFI Pass thru cmd
|
|
* input: Adapter soft state
|
|
* mfi cmd pointer
|
|
*
|
|
* This function is called by mrsas_issued_blocked_cmd() and
|
|
* mrsas_issued_polled(), to build the MPT command and then fire the
|
|
* command to Firmware.
|
|
*/
|
|
int
|
|
mrsas_issue_dcmd(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
|
|
|
|
req_desc = mrsas_build_mpt_cmd(sc, cmd);
|
|
if (!req_desc) {
|
|
device_printf(sc->mrsas_dev, "Cannot build MPT cmd.\n");
|
|
return(1);
|
|
}
|
|
|
|
mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_build_mpt_cmd - Calls helper function to build Passthru cmd
|
|
* input: Adapter soft state
|
|
* mfi cmd to build
|
|
*
|
|
* This function is called by mrsas_issue_cmd() to build the MPT-MFI
|
|
* passthru command and prepares the MPT command to send to Firmware.
|
|
*/
|
|
MRSAS_REQUEST_DESCRIPTOR_UNION *
|
|
mrsas_build_mpt_cmd(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
|
|
u_int16_t index;
|
|
|
|
if (mrsas_build_mptmfi_passthru(sc, cmd)) {
|
|
device_printf(sc->mrsas_dev, "Cannot build MPT-MFI passthru cmd.\n");
|
|
return NULL;
|
|
}
|
|
|
|
index = cmd->cmd_id.context.smid;
|
|
|
|
req_desc = mrsas_get_request_desc(sc, index-1);
|
|
if(!req_desc)
|
|
return NULL;
|
|
|
|
req_desc->addr.Words = 0;
|
|
req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
|
|
|
|
req_desc->SCSIIO.SMID = index;
|
|
|
|
return(req_desc);
|
|
}
|
|
|
|
/**
|
|
* mrsas_build_mptmfi_passthru - Builds a MPT MFI Passthru command
|
|
* input: Adapter soft state
|
|
* mfi cmd pointer
|
|
*
|
|
* The MPT command and the io_request are setup as a passthru command.
|
|
* The SGE chain address is set to frame_phys_addr of the MFI command.
|
|
*/
|
|
u_int8_t
|
|
mrsas_build_mptmfi_passthru(struct mrsas_softc *sc, struct mrsas_mfi_cmd *mfi_cmd)
|
|
{
|
|
MPI25_IEEE_SGE_CHAIN64 *mpi25_ieee_chain;
|
|
PTR_MRSAS_RAID_SCSI_IO_REQUEST io_req;
|
|
struct mrsas_mpt_cmd *mpt_cmd;
|
|
struct mrsas_header *frame_hdr = &mfi_cmd->frame->hdr;
|
|
|
|
mpt_cmd = mrsas_get_mpt_cmd(sc);
|
|
if (!mpt_cmd)
|
|
return(1);
|
|
|
|
/* Save the smid. To be used for returning the cmd */
|
|
mfi_cmd->cmd_id.context.smid = mpt_cmd->index;
|
|
|
|
mpt_cmd->sync_cmd_idx = mfi_cmd->index;
|
|
|
|
/*
|
|
* For cmds where the flag is set, store the flag and check
|
|
* on completion. For cmds with this flag, don't call
|
|
* mrsas_complete_cmd.
|
|
*/
|
|
|
|
if (frame_hdr->flags & MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)
|
|
mpt_cmd->flags = MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
|
|
|
|
io_req = mpt_cmd->io_request;
|
|
|
|
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
|
|
pMpi25IeeeSgeChain64_t sgl_ptr_end = (pMpi25IeeeSgeChain64_t) &io_req->SGL;
|
|
sgl_ptr_end += sc->max_sge_in_main_msg - 1;
|
|
sgl_ptr_end->Flags = 0;
|
|
}
|
|
|
|
mpi25_ieee_chain = (MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain;
|
|
|
|
io_req->Function = MRSAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST;
|
|
io_req->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4;
|
|
io_req->ChainOffset = sc->chain_offset_mfi_pthru;
|
|
|
|
mpi25_ieee_chain->Address = mfi_cmd->frame_phys_addr;
|
|
|
|
mpi25_ieee_chain->Flags= IEEE_SGE_FLAGS_CHAIN_ELEMENT |
|
|
MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR;
|
|
|
|
mpi25_ieee_chain->Length = MRSAS_MAX_SZ_CHAIN_FRAME;
|
|
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_issue_blocked_cmd - Synchronous wrapper around regular FW cmds
|
|
* input: Adapter soft state
|
|
* Command to be issued
|
|
*
|
|
* This function waits on an event for the command to be returned
|
|
* from the ISR. Max wait time is MRSAS_INTERNAL_CMD_WAIT_TIME secs.
|
|
* Used for issuing internal and ioctl commands.
|
|
*/
|
|
int mrsas_issue_blocked_cmd(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
u_int8_t max_wait = MRSAS_INTERNAL_CMD_WAIT_TIME;
|
|
unsigned long total_time = 0;
|
|
int retcode = 0;
|
|
|
|
/* Initialize cmd_status */
|
|
cmd->cmd_status = ECONNREFUSED;
|
|
|
|
/* Build MPT-MFI command for issue to FW */
|
|
if (mrsas_issue_dcmd(sc, cmd)){
|
|
device_printf(sc->mrsas_dev, "Cannot issue DCMD internal command.\n");
|
|
return(1);
|
|
}
|
|
|
|
sc->chan = (void*)&cmd;
|
|
|
|
/* The following is for debug only... */
|
|
//device_printf(sc->mrsas_dev,"DCMD issued to FW, about to sleep-wait...\n");
|
|
//device_printf(sc->mrsas_dev,"sc->chan = %p\n", sc->chan);
|
|
|
|
while (1) {
|
|
if (cmd->cmd_status == ECONNREFUSED){
|
|
tsleep((void *)&sc->chan, 0, "mrsas_sleep", hz);
|
|
}
|
|
else
|
|
break;
|
|
total_time++;
|
|
if (total_time >= max_wait) {
|
|
device_printf(sc->mrsas_dev, "Internal command timed out after %d seconds.\n", max_wait);
|
|
retcode = 1;
|
|
break;
|
|
}
|
|
}
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_complete_mptmfi_passthru - Completes a command
|
|
* input: sc: Adapter soft state
|
|
* cmd: Command to be completed
|
|
* status: cmd completion status
|
|
*
|
|
* This function is called from mrsas_complete_cmd() after an interrupt
|
|
* is received from Firmware, and io_request->Function is
|
|
* MRSAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST.
|
|
*/
|
|
void
|
|
mrsas_complete_mptmfi_passthru(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd,
|
|
u_int8_t status)
|
|
{
|
|
struct mrsas_header *hdr = &cmd->frame->hdr;
|
|
u_int8_t cmd_status = cmd->frame->hdr.cmd_status;
|
|
|
|
/* Reset the retry counter for future re-tries */
|
|
cmd->retry_for_fw_reset = 0;
|
|
|
|
if (cmd->ccb_ptr)
|
|
cmd->ccb_ptr = NULL;
|
|
|
|
switch (hdr->cmd) {
|
|
case MFI_CMD_INVALID:
|
|
device_printf(sc->mrsas_dev, "MFI_CMD_INVALID command.\n");
|
|
break;
|
|
case MFI_CMD_PD_SCSI_IO:
|
|
case MFI_CMD_LD_SCSI_IO:
|
|
/*
|
|
* MFI_CMD_PD_SCSI_IO and MFI_CMD_LD_SCSI_IO could have been
|
|
* issued either through an IO path or an IOCTL path. If it
|
|
* was via IOCTL, we will send it to internal completion.
|
|
*/
|
|
if (cmd->sync_cmd) {
|
|
cmd->sync_cmd = 0;
|
|
mrsas_wakeup(sc, cmd);
|
|
break;
|
|
}
|
|
case MFI_CMD_SMP:
|
|
case MFI_CMD_STP:
|
|
case MFI_CMD_DCMD:
|
|
/* Check for LD map update */
|
|
if ((cmd->frame->dcmd.opcode == MR_DCMD_LD_MAP_GET_INFO) &&
|
|
(cmd->frame->dcmd.mbox.b[1] == 1)) {
|
|
sc->fast_path_io = 0;
|
|
mtx_lock(&sc->raidmap_lock);
|
|
if (cmd_status != 0) {
|
|
if (cmd_status != MFI_STAT_NOT_FOUND)
|
|
device_printf(sc->mrsas_dev, "map sync failed, status=%x\n",cmd_status);
|
|
else {
|
|
mrsas_release_mfi_cmd(cmd);
|
|
mtx_unlock(&sc->raidmap_lock);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
sc->map_id++;
|
|
mrsas_release_mfi_cmd(cmd);
|
|
if (MR_ValidateMapInfo(sc))
|
|
sc->fast_path_io = 0;
|
|
else
|
|
sc->fast_path_io = 1;
|
|
mrsas_sync_map_info(sc);
|
|
mtx_unlock(&sc->raidmap_lock);
|
|
break;
|
|
}
|
|
if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET_INFO ||
|
|
cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET) {
|
|
sc->mrsas_aen_triggered = 0;
|
|
}
|
|
|
|
/* See if got an event notification */
|
|
if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_WAIT)
|
|
mrsas_complete_aen(sc, cmd);
|
|
else
|
|
mrsas_wakeup(sc, cmd);
|
|
break;
|
|
case MFI_CMD_ABORT:
|
|
/* Command issued to abort another cmd return */
|
|
mrsas_complete_abort(sc, cmd);
|
|
break;
|
|
default:
|
|
device_printf(sc->mrsas_dev,"Unknown command completed! [0x%X]\n", hdr->cmd);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mrsas_wakeup - Completes an internal command
|
|
* input: Adapter soft state
|
|
* Command to be completed
|
|
*
|
|
* In mrsas_issue_blocked_cmd(), after a command is issued to Firmware,
|
|
* a wait timer is started. This function is called from
|
|
* mrsas_complete_mptmfi_passthru() as it completes the command,
|
|
* to wake up from the command wait.
|
|
*/
|
|
void mrsas_wakeup(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
cmd->cmd_status = cmd->frame->io.cmd_status;
|
|
|
|
if (cmd->cmd_status == ECONNREFUSED)
|
|
cmd->cmd_status = 0;
|
|
|
|
/* For debug only ... */
|
|
//device_printf(sc->mrsas_dev,"DCMD rec'd for wakeup, sc->chan=%p\n", sc->chan);
|
|
|
|
sc->chan = (void*)&cmd;
|
|
wakeup_one((void *)&sc->chan);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* mrsas_shutdown_ctlr: Instructs FW to shutdown the controller
|
|
* input: Adapter soft state
|
|
* Shutdown/Hibernate
|
|
*
|
|
* This function issues a DCMD internal command to Firmware to initiate
|
|
* shutdown of the controller.
|
|
*/
|
|
static void mrsas_shutdown_ctlr(struct mrsas_softc *sc, u_int32_t opcode)
|
|
{
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
|
|
if (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR)
|
|
return;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev,"Cannot allocate for shutdown cmd.\n");
|
|
return;
|
|
}
|
|
|
|
if (sc->aen_cmd)
|
|
mrsas_issue_blocked_abort_cmd(sc, sc->aen_cmd);
|
|
|
|
if (sc->map_update_cmd)
|
|
mrsas_issue_blocked_abort_cmd(sc, sc->map_update_cmd);
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0x0;
|
|
dcmd->sge_count = 0;
|
|
dcmd->flags = MFI_FRAME_DIR_NONE;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = 0;
|
|
dcmd->opcode = opcode;
|
|
|
|
device_printf(sc->mrsas_dev,"Preparing to shut down controller.\n");
|
|
|
|
mrsas_issue_blocked_cmd(sc, cmd);
|
|
mrsas_release_mfi_cmd(cmd);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* mrsas_flush_cache: Requests FW to flush all its caches
|
|
* input: Adapter soft state
|
|
*
|
|
* This function is issues a DCMD internal command to Firmware to initiate
|
|
* flushing of all caches.
|
|
*/
|
|
static void mrsas_flush_cache(struct mrsas_softc *sc)
|
|
{
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
|
|
if (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR)
|
|
return;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev,"Cannot allocate for flush cache cmd.\n");
|
|
return;
|
|
}
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0x0;
|
|
dcmd->sge_count = 0;
|
|
dcmd->flags = MFI_FRAME_DIR_NONE;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = 0;
|
|
dcmd->opcode = MR_DCMD_CTRL_CACHE_FLUSH;
|
|
dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE;
|
|
|
|
mrsas_issue_blocked_cmd(sc, cmd);
|
|
mrsas_release_mfi_cmd(cmd);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_map_info: Load and validate RAID map
|
|
* input: Adapter instance soft state
|
|
*
|
|
* This function calls mrsas_get_ld_map_info() and MR_ValidateMapInfo()
|
|
* to load and validate RAID map. It returns 0 if successful, 1 other-
|
|
* wise.
|
|
*/
|
|
static int mrsas_get_map_info(struct mrsas_softc *sc)
|
|
{
|
|
uint8_t retcode = 0;
|
|
|
|
sc->fast_path_io = 0;
|
|
if (!mrsas_get_ld_map_info(sc)) {
|
|
retcode = MR_ValidateMapInfo(sc);
|
|
if (retcode == 0) {
|
|
sc->fast_path_io = 1;
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_ld_map_info: Get FW's ld_map structure
|
|
* input: Adapter instance soft state
|
|
*
|
|
* Issues an internal command (DCMD) to get the FW's controller PD
|
|
* list structure.
|
|
*/
|
|
static int mrsas_get_ld_map_info(struct mrsas_softc *sc)
|
|
{
|
|
int retcode = 0;
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
void *map;
|
|
bus_addr_t map_phys_addr = 0;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot alloc for ld map info cmd.\n");
|
|
return 1;
|
|
}
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
|
|
map = (void *)sc->raidmap_mem[(sc->map_id & 1)];
|
|
map_phys_addr = sc->raidmap_phys_addr[(sc->map_id & 1)];
|
|
if (!map) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Failed to alloc mem for ld map info.\n");
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return (ENOMEM);
|
|
}
|
|
memset(map, 0, sizeof(sc->max_map_sz));
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0xFF;
|
|
dcmd->sge_count = 1;
|
|
dcmd->flags = MFI_FRAME_DIR_READ;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = sc->current_map_sz;
|
|
dcmd->opcode = MR_DCMD_LD_MAP_GET_INFO;
|
|
dcmd->sgl.sge32[0].phys_addr = map_phys_addr;
|
|
dcmd->sgl.sge32[0].length = sc->current_map_sz;
|
|
|
|
if (!mrsas_issue_polled(sc, cmd))
|
|
retcode = 0;
|
|
else
|
|
{
|
|
device_printf(sc->mrsas_dev,
|
|
"Fail to send get LD map info cmd.\n");
|
|
retcode = 1;
|
|
}
|
|
mrsas_release_mfi_cmd(cmd);
|
|
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_sync_map_info: Get FW's ld_map structure
|
|
* input: Adapter instance soft state
|
|
*
|
|
* Issues an internal command (DCMD) to get the FW's controller PD
|
|
* list structure.
|
|
*/
|
|
static int mrsas_sync_map_info(struct mrsas_softc *sc)
|
|
{
|
|
int retcode = 0, i;
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
uint32_t size_sync_info, num_lds;
|
|
MR_LD_TARGET_SYNC *target_map = NULL;
|
|
MR_DRV_RAID_MAP_ALL *map;
|
|
MR_LD_RAID *raid;
|
|
MR_LD_TARGET_SYNC *ld_sync;
|
|
bus_addr_t map_phys_addr = 0;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot alloc for sync map info cmd\n");
|
|
return 1;
|
|
}
|
|
|
|
map = sc->ld_drv_map[sc->map_id & 1];
|
|
num_lds = map->raidMap.ldCount;
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
size_sync_info = sizeof(MR_LD_TARGET_SYNC) * num_lds;
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
target_map =
|
|
(MR_LD_TARGET_SYNC *)sc->raidmap_mem[(sc->map_id - 1) & 1];
|
|
memset(target_map, 0, sc->max_map_sz);
|
|
|
|
map_phys_addr = sc->raidmap_phys_addr[(sc->map_id - 1) & 1];
|
|
|
|
ld_sync = (MR_LD_TARGET_SYNC *)target_map;
|
|
|
|
for (i = 0; i < num_lds; i++, ld_sync++) {
|
|
raid = MR_LdRaidGet(i, map);
|
|
ld_sync->targetId = MR_GetLDTgtId(i, map);
|
|
ld_sync->seqNum = raid->seqNum;
|
|
}
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0xFF;
|
|
dcmd->sge_count = 1;
|
|
dcmd->flags = MFI_FRAME_DIR_WRITE;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = sc->current_map_sz;
|
|
dcmd->mbox.b[0] = num_lds;
|
|
dcmd->mbox.b[1] = MRSAS_DCMD_MBOX_PEND_FLAG;
|
|
dcmd->opcode = MR_DCMD_LD_MAP_GET_INFO;
|
|
dcmd->sgl.sge32[0].phys_addr = map_phys_addr;
|
|
dcmd->sgl.sge32[0].length = sc->current_map_sz;
|
|
|
|
sc->map_update_cmd = cmd;
|
|
if (mrsas_issue_dcmd(sc, cmd)) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Fail to send sync map info command.\n");
|
|
return(1);
|
|
}
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_pd_list: Returns FW's PD list structure
|
|
* input: Adapter soft state
|
|
*
|
|
* Issues an internal command (DCMD) to get the FW's controller PD
|
|
* list structure. This information is mainly used to find out about
|
|
* system supported by Firmware.
|
|
*/
|
|
static int mrsas_get_pd_list(struct mrsas_softc *sc)
|
|
{
|
|
int retcode = 0, pd_index = 0, pd_count=0, pd_list_size;
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
struct MR_PD_LIST *pd_list_mem;
|
|
struct MR_PD_ADDRESS *pd_addr;
|
|
bus_addr_t pd_list_phys_addr = 0;
|
|
struct mrsas_tmp_dcmd *tcmd;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot alloc for get PD list cmd\n");
|
|
return 1;
|
|
}
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
|
|
tcmd = malloc(sizeof(struct mrsas_tmp_dcmd), M_MRSAS, M_NOWAIT);
|
|
pd_list_size = MRSAS_MAX_PD * sizeof(struct MR_PD_LIST);
|
|
if (mrsas_alloc_tmp_dcmd(sc, tcmd, pd_list_size) != SUCCESS) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot alloc dmamap for get PD list cmd\n");
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return(ENOMEM);
|
|
}
|
|
else {
|
|
pd_list_mem = tcmd->tmp_dcmd_mem;
|
|
pd_list_phys_addr = tcmd->tmp_dcmd_phys_addr;
|
|
}
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
dcmd->mbox.b[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST;
|
|
dcmd->mbox.b[1] = 0;
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0xFF;
|
|
dcmd->sge_count = 1;
|
|
dcmd->flags = MFI_FRAME_DIR_READ;
|
|
dcmd->timeout = 0;
|
|
dcmd->pad_0 = 0;
|
|
dcmd->data_xfer_len = MRSAS_MAX_PD * sizeof(struct MR_PD_LIST);
|
|
dcmd->opcode = MR_DCMD_PD_LIST_QUERY;
|
|
dcmd->sgl.sge32[0].phys_addr = pd_list_phys_addr;
|
|
dcmd->sgl.sge32[0].length = MRSAS_MAX_PD * sizeof(struct MR_PD_LIST);
|
|
|
|
if (!mrsas_issue_polled(sc, cmd))
|
|
retcode = 0;
|
|
else
|
|
retcode = 1;
|
|
|
|
/* Get the instance PD list */
|
|
pd_count = MRSAS_MAX_PD;
|
|
pd_addr = pd_list_mem->addr;
|
|
if (retcode == 0 && pd_list_mem->count < pd_count) {
|
|
memset(sc->local_pd_list, 0,
|
|
MRSAS_MAX_PD * sizeof(struct mrsas_pd_list));
|
|
for (pd_index = 0; pd_index < pd_list_mem->count; pd_index++) {
|
|
sc->local_pd_list[pd_addr->deviceId].tid = pd_addr->deviceId;
|
|
sc->local_pd_list[pd_addr->deviceId].driveType =
|
|
pd_addr->scsiDevType;
|
|
sc->local_pd_list[pd_addr->deviceId].driveState =
|
|
MR_PD_STATE_SYSTEM;
|
|
pd_addr++;
|
|
}
|
|
}
|
|
|
|
/* Use mutext/spinlock if pd_list component size increase more than 32 bit. */
|
|
memcpy(sc->pd_list, sc->local_pd_list, sizeof(sc->local_pd_list));
|
|
mrsas_free_tmp_dcmd(tcmd);
|
|
mrsas_release_mfi_cmd(cmd);
|
|
free(tcmd, M_MRSAS);
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_get_ld_list: Returns FW's LD list structure
|
|
* input: Adapter soft state
|
|
*
|
|
* Issues an internal command (DCMD) to get the FW's controller PD
|
|
* list structure. This information is mainly used to find out about
|
|
* supported by the FW.
|
|
*/
|
|
static int mrsas_get_ld_list(struct mrsas_softc *sc)
|
|
{
|
|
int ld_list_size, retcode = 0, ld_index = 0, ids = 0;
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_dcmd_frame *dcmd;
|
|
struct MR_LD_LIST *ld_list_mem;
|
|
bus_addr_t ld_list_phys_addr = 0;
|
|
struct mrsas_tmp_dcmd *tcmd;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot alloc for get LD list cmd\n");
|
|
return 1;
|
|
}
|
|
|
|
dcmd = &cmd->frame->dcmd;
|
|
|
|
tcmd = malloc(sizeof(struct mrsas_tmp_dcmd), M_MRSAS, M_NOWAIT);
|
|
ld_list_size = sizeof(struct MR_LD_LIST);
|
|
if (mrsas_alloc_tmp_dcmd(sc, tcmd, ld_list_size) != SUCCESS) {
|
|
device_printf(sc->mrsas_dev,
|
|
"Cannot alloc dmamap for get LD list cmd\n");
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return(ENOMEM);
|
|
}
|
|
else {
|
|
ld_list_mem = tcmd->tmp_dcmd_mem;
|
|
ld_list_phys_addr = tcmd->tmp_dcmd_phys_addr;
|
|
}
|
|
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
|
|
|
|
if (sc->max256vdSupport)
|
|
dcmd->mbox.b[0]=1;
|
|
|
|
dcmd->cmd = MFI_CMD_DCMD;
|
|
dcmd->cmd_status = 0xFF;
|
|
dcmd->sge_count = 1;
|
|
dcmd->flags = MFI_FRAME_DIR_READ;
|
|
dcmd->timeout = 0;
|
|
dcmd->data_xfer_len = sizeof(struct MR_LD_LIST);
|
|
dcmd->opcode = MR_DCMD_LD_GET_LIST;
|
|
dcmd->sgl.sge32[0].phys_addr = ld_list_phys_addr;
|
|
dcmd->sgl.sge32[0].length = sizeof(struct MR_LD_LIST);
|
|
dcmd->pad_0 = 0;
|
|
|
|
if (!mrsas_issue_polled(sc, cmd))
|
|
retcode = 0;
|
|
else
|
|
retcode = 1;
|
|
|
|
#if VD_EXT_DEBUG
|
|
printf ("Number of LDs %d\n", ld_list_mem->ldCount);
|
|
#endif
|
|
|
|
/* Get the instance LD list */
|
|
if ((retcode == 0) &&
|
|
(ld_list_mem->ldCount <= sc->fw_supported_vd_count)){
|
|
sc->CurLdCount = ld_list_mem->ldCount;
|
|
memset(sc->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT);
|
|
for (ld_index = 0; ld_index < ld_list_mem->ldCount; ld_index++) {
|
|
if (ld_list_mem->ldList[ld_index].state != 0) {
|
|
ids = ld_list_mem->ldList[ld_index].ref.ld_context.targetId;
|
|
sc->ld_ids[ids] = ld_list_mem->ldList[ld_index].ref.ld_context.targetId;
|
|
}
|
|
}
|
|
}
|
|
|
|
mrsas_free_tmp_dcmd(tcmd);
|
|
mrsas_release_mfi_cmd(cmd);
|
|
free(tcmd, M_MRSAS);
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_alloc_tmp_dcmd: Allocates memory for temporary command
|
|
* input: Adapter soft state
|
|
* Temp command
|
|
* Size of alloction
|
|
*
|
|
* Allocates DMAable memory for a temporary internal command. The allocated
|
|
* memory is initialized to all zeros upon successful loading of the dma
|
|
* mapped memory.
|
|
*/
|
|
int mrsas_alloc_tmp_dcmd(struct mrsas_softc *sc, struct mrsas_tmp_dcmd *tcmd,
|
|
int size)
|
|
{
|
|
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
|
|
1, 0, // algnmnt, boundary
|
|
BUS_SPACE_MAXADDR_32BIT,// lowaddr
|
|
BUS_SPACE_MAXADDR, // highaddr
|
|
NULL, NULL, // filter, filterarg
|
|
size, // maxsize
|
|
1, // msegments
|
|
size, // maxsegsize
|
|
BUS_DMA_ALLOCNOW, // flags
|
|
NULL, NULL, // lockfunc, lockarg
|
|
&tcmd->tmp_dcmd_tag)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate tmp dcmd tag\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamem_alloc(tcmd->tmp_dcmd_tag, (void **)&tcmd->tmp_dcmd_mem,
|
|
BUS_DMA_NOWAIT, &tcmd->tmp_dcmd_dmamap)) {
|
|
device_printf(sc->mrsas_dev, "Cannot allocate tmp dcmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
if (bus_dmamap_load(tcmd->tmp_dcmd_tag, tcmd->tmp_dcmd_dmamap,
|
|
tcmd->tmp_dcmd_mem, size, mrsas_addr_cb,
|
|
&tcmd->tmp_dcmd_phys_addr, BUS_DMA_NOWAIT)) {
|
|
device_printf(sc->mrsas_dev, "Cannot load tmp dcmd mem\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
memset(tcmd->tmp_dcmd_mem, 0, size);
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* mrsas_free_tmp_dcmd: Free memory for temporary command
|
|
* input: temporary dcmd pointer
|
|
*
|
|
* Deallocates memory of the temporary command for use in the construction
|
|
* of the internal DCMD.
|
|
*/
|
|
void mrsas_free_tmp_dcmd(struct mrsas_tmp_dcmd *tmp)
|
|
{
|
|
if (tmp->tmp_dcmd_phys_addr)
|
|
bus_dmamap_unload(tmp->tmp_dcmd_tag, tmp->tmp_dcmd_dmamap);
|
|
if (tmp->tmp_dcmd_mem != NULL)
|
|
bus_dmamem_free(tmp->tmp_dcmd_tag, tmp->tmp_dcmd_mem, tmp->tmp_dcmd_dmamap);
|
|
if (tmp->tmp_dcmd_tag != NULL)
|
|
bus_dma_tag_destroy(tmp->tmp_dcmd_tag);
|
|
}
|
|
|
|
/**
|
|
* mrsas_issue_blocked_abort_cmd: Aborts previously issued cmd
|
|
* input: Adapter soft state
|
|
* Previously issued cmd to be aborted
|
|
*
|
|
* This function is used to abort previously issued commands, such as AEN and
|
|
* RAID map sync map commands. The abort command is sent as a DCMD internal
|
|
* command and subsequently the driver will wait for a return status. The
|
|
* max wait time is MRSAS_INTERNAL_CMD_WAIT_TIME seconds.
|
|
*/
|
|
static int mrsas_issue_blocked_abort_cmd(struct mrsas_softc *sc,
|
|
struct mrsas_mfi_cmd *cmd_to_abort)
|
|
{
|
|
struct mrsas_mfi_cmd *cmd;
|
|
struct mrsas_abort_frame *abort_fr;
|
|
u_int8_t retcode = 0;
|
|
unsigned long total_time = 0;
|
|
u_int8_t max_wait = MRSAS_INTERNAL_CMD_WAIT_TIME;
|
|
|
|
cmd = mrsas_get_mfi_cmd(sc);
|
|
if (!cmd) {
|
|
device_printf(sc->mrsas_dev, "Cannot alloc for abort cmd\n");
|
|
return(1);
|
|
}
|
|
|
|
abort_fr = &cmd->frame->abort;
|
|
|
|
/* Prepare and issue the abort frame */
|
|
abort_fr->cmd = MFI_CMD_ABORT;
|
|
abort_fr->cmd_status = 0xFF;
|
|
abort_fr->flags = 0;
|
|
abort_fr->abort_context = cmd_to_abort->index;
|
|
abort_fr->abort_mfi_phys_addr_lo = cmd_to_abort->frame_phys_addr;
|
|
abort_fr->abort_mfi_phys_addr_hi = 0;
|
|
|
|
cmd->sync_cmd = 1;
|
|
cmd->cmd_status = 0xFF;
|
|
|
|
if (mrsas_issue_dcmd(sc, cmd)) {
|
|
device_printf(sc->mrsas_dev, "Fail to send abort command.\n");
|
|
return(1);
|
|
}
|
|
|
|
/* Wait for this cmd to complete */
|
|
sc->chan = (void*)&cmd;
|
|
while (1) {
|
|
if (cmd->cmd_status == 0xFF){
|
|
tsleep((void *)&sc->chan, 0, "mrsas_sleep", hz);
|
|
}
|
|
else
|
|
break;
|
|
total_time++;
|
|
if (total_time >= max_wait) {
|
|
device_printf(sc->mrsas_dev, "Abort cmd timed out after %d sec.\n", max_wait);
|
|
retcode = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
cmd->sync_cmd = 0;
|
|
mrsas_release_mfi_cmd(cmd);
|
|
return(retcode);
|
|
}
|
|
|
|
/**
|
|
* mrsas_complete_abort: Completes aborting a command
|
|
* input: Adapter soft state
|
|
* Cmd that was issued to abort another cmd
|
|
*
|
|
* The mrsas_issue_blocked_abort_cmd() function waits for the command status
|
|
* to change after sending the command. This function is called from
|
|
* mrsas_complete_mptmfi_passthru() to wake up the sleep thread associated.
|
|
*/
|
|
void mrsas_complete_abort(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
if (cmd->sync_cmd) {
|
|
cmd->sync_cmd = 0;
|
|
cmd->cmd_status = 0;
|
|
sc->chan = (void*)&cmd;
|
|
wakeup_one((void *)&sc->chan);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* mrsas_aen_handler: Callback function for AEN processing from thread context.
|
|
* input: Adapter soft state
|
|
*
|
|
*/
|
|
void mrsas_aen_handler(struct mrsas_softc *sc)
|
|
{
|
|
union mrsas_evt_class_locale class_locale;
|
|
int doscan = 0;
|
|
u_int32_t seq_num;
|
|
int error;
|
|
|
|
if (!sc) {
|
|
device_printf(sc->mrsas_dev, "invalid instance!\n");
|
|
return;
|
|
}
|
|
|
|
if (sc->evt_detail_mem) {
|
|
switch (sc->evt_detail_mem->code) {
|
|
case MR_EVT_PD_INSERTED:
|
|
mrsas_get_pd_list(sc);
|
|
mrsas_bus_scan_sim(sc, sc->sim_1);
|
|
doscan = 0;
|
|
break;
|
|
case MR_EVT_PD_REMOVED:
|
|
mrsas_get_pd_list(sc);
|
|
mrsas_bus_scan_sim(sc, sc->sim_1);
|
|
doscan = 0;
|
|
break;
|
|
case MR_EVT_LD_OFFLINE:
|
|
case MR_EVT_CFG_CLEARED:
|
|
case MR_EVT_LD_DELETED:
|
|
mrsas_bus_scan_sim(sc, sc->sim_0);
|
|
doscan = 0;
|
|
break;
|
|
case MR_EVT_LD_CREATED:
|
|
mrsas_get_ld_list(sc);
|
|
mrsas_bus_scan_sim(sc, sc->sim_0);
|
|
doscan = 0;
|
|
break;
|
|
case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
|
|
case MR_EVT_FOREIGN_CFG_IMPORTED:
|
|
case MR_EVT_LD_STATE_CHANGE:
|
|
doscan = 1;
|
|
break;
|
|
default:
|
|
doscan = 0;
|
|
break;
|
|
}
|
|
} else {
|
|
device_printf(sc->mrsas_dev, "invalid evt_detail\n");
|
|
return;
|
|
}
|
|
if (doscan) {
|
|
mrsas_get_pd_list(sc);
|
|
mrsas_dprint(sc, MRSAS_AEN, "scanning ...sim 1\n");
|
|
mrsas_bus_scan_sim(sc, sc->sim_1);
|
|
mrsas_get_ld_list(sc);
|
|
mrsas_dprint(sc, MRSAS_AEN, "scanning ...sim 0\n");
|
|
mrsas_bus_scan_sim(sc, sc->sim_0);
|
|
}
|
|
|
|
seq_num = sc->evt_detail_mem->seq_num + 1;
|
|
|
|
// Register AEN with FW for latest sequence number plus 1
|
|
class_locale.members.reserved = 0;
|
|
class_locale.members.locale = MR_EVT_LOCALE_ALL;
|
|
class_locale.members.class = MR_EVT_CLASS_DEBUG;
|
|
|
|
if (sc->aen_cmd != NULL )
|
|
return ;
|
|
|
|
mtx_lock(&sc->aen_lock);
|
|
error = mrsas_register_aen(sc, seq_num,
|
|
class_locale.word);
|
|
mtx_unlock(&sc->aen_lock);
|
|
|
|
if (error)
|
|
device_printf(sc->mrsas_dev, "register aen failed error %x\n", error);
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* mrsas_complete_aen: Completes AEN command
|
|
* input: Adapter soft state
|
|
* Cmd that was issued to abort another cmd
|
|
*
|
|
* This function will be called from ISR and will continue
|
|
* event processing from thread context by enqueuing task
|
|
* in ev_tq (callback function "mrsas_aen_handler").
|
|
*/
|
|
void mrsas_complete_aen(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
|
|
{
|
|
/*
|
|
* Don't signal app if it is just an aborted previously registered aen
|
|
*/
|
|
if ((!cmd->abort_aen) && (sc->remove_in_progress == 0)) {
|
|
sc->mrsas_aen_triggered = 1;
|
|
if (sc->mrsas_poll_waiting) {
|
|
sc->mrsas_poll_waiting = 0;
|
|
selwakeup(&sc->mrsas_select);
|
|
}
|
|
}
|
|
else
|
|
cmd->abort_aen = 0;
|
|
|
|
sc->aen_cmd = NULL;
|
|
mrsas_release_mfi_cmd(cmd);
|
|
|
|
if (!sc->remove_in_progress)
|
|
taskqueue_enqueue(sc->ev_tq, &sc->ev_task);
|
|
|
|
return;
|
|
}
|
|
|
|
static device_method_t mrsas_methods[] = {
|
|
DEVMETHOD(device_probe, mrsas_probe),
|
|
DEVMETHOD(device_attach, mrsas_attach),
|
|
DEVMETHOD(device_detach, mrsas_detach),
|
|
DEVMETHOD(device_suspend, mrsas_suspend),
|
|
DEVMETHOD(device_resume, mrsas_resume),
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t mrsas_driver = {
|
|
"mrsas",
|
|
mrsas_methods,
|
|
sizeof(struct mrsas_softc)
|
|
};
|
|
|
|
static devclass_t mrsas_devclass;
|
|
DRIVER_MODULE(mrsas, pci, mrsas_driver, mrsas_devclass, 0, 0);
|
|
MODULE_DEPEND(mrsas, cam, 1,1,1);
|
|
|