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82b2fb52d6
SCSI EH host reset is the final callback in the escalation chain; once we reach this we need to reset the controller. As such it defeats the purpose to skip controller reset if no I/Os are pending and the RAID device is to be reset; especially after kexec there might be stale commands pending in firmware for which we have no reference whatsoever. So this patch splits off the check for pending I/O into a 'bus_reset' function, and leaves the actual controller reset to the host reset. Signed-off-by: Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20231002154328.43718-19-hare@suse.de Cc: Kashyap Desai <kashyap.desai@broadcom.com> Cc: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com> Cc: Sumit Saxena <sumit.saxena@broadcom.com> Cc: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
5509 lines
155 KiB
C
5509 lines
155 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for Broadcom MPI3 Storage Controllers
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*
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* Copyright (C) 2017-2023 Broadcom Inc.
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* (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
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*
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*/
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#include "mpi3mr.h"
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/* global driver scop variables */
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LIST_HEAD(mrioc_list);
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DEFINE_SPINLOCK(mrioc_list_lock);
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static int mrioc_ids;
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static int warn_non_secure_ctlr;
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atomic64_t event_counter;
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MODULE_AUTHOR(MPI3MR_DRIVER_AUTHOR);
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MODULE_DESCRIPTION(MPI3MR_DRIVER_DESC);
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MODULE_LICENSE(MPI3MR_DRIVER_LICENSE);
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MODULE_VERSION(MPI3MR_DRIVER_VERSION);
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/* Module parameters*/
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int prot_mask = -1;
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module_param(prot_mask, int, 0);
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MODULE_PARM_DESC(prot_mask, "Host protection capabilities mask, def=0x07");
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static int prot_guard_mask = 3;
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module_param(prot_guard_mask, int, 0);
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MODULE_PARM_DESC(prot_guard_mask, " Host protection guard mask, def=3");
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static int logging_level;
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module_param(logging_level, int, 0);
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MODULE_PARM_DESC(logging_level,
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" bits for enabling additional logging info (default=0)");
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static int max_sgl_entries = MPI3MR_DEFAULT_SGL_ENTRIES;
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module_param(max_sgl_entries, int, 0444);
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MODULE_PARM_DESC(max_sgl_entries,
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"Preferred max number of SG entries to be used for a single I/O\n"
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"The actual value will be determined by the driver\n"
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"(Minimum=256, Maximum=2048, default=256)");
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/* Forward declarations*/
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static void mpi3mr_send_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
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struct mpi3mr_drv_cmd *cmdparam, u32 event_ctx);
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#define MPI3MR_DRIVER_EVENT_TG_QD_REDUCTION (0xFFFF)
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#define MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH (0xFFFE)
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/**
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* mpi3mr_host_tag_for_scmd - Get host tag for a scmd
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* @mrioc: Adapter instance reference
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* @scmd: SCSI command reference
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*
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* Calculate the host tag based on block tag for a given scmd.
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*
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* Return: Valid host tag or MPI3MR_HOSTTAG_INVALID.
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*/
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static u16 mpi3mr_host_tag_for_scmd(struct mpi3mr_ioc *mrioc,
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struct scsi_cmnd *scmd)
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{
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struct scmd_priv *priv = NULL;
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u32 unique_tag;
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u16 host_tag, hw_queue;
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unique_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd));
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hw_queue = blk_mq_unique_tag_to_hwq(unique_tag);
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if (hw_queue >= mrioc->num_op_reply_q)
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return MPI3MR_HOSTTAG_INVALID;
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host_tag = blk_mq_unique_tag_to_tag(unique_tag);
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if (WARN_ON(host_tag >= mrioc->max_host_ios))
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return MPI3MR_HOSTTAG_INVALID;
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priv = scsi_cmd_priv(scmd);
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/*host_tag 0 is invalid hence incrementing by 1*/
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priv->host_tag = host_tag + 1;
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priv->scmd = scmd;
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priv->in_lld_scope = 1;
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priv->req_q_idx = hw_queue;
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priv->meta_chain_idx = -1;
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priv->chain_idx = -1;
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priv->meta_sg_valid = 0;
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return priv->host_tag;
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}
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/**
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* mpi3mr_scmd_from_host_tag - Get SCSI command from host tag
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* @mrioc: Adapter instance reference
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* @host_tag: Host tag
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* @qidx: Operational queue index
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*
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* Identify the block tag from the host tag and queue index and
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* retrieve associated scsi command using scsi_host_find_tag().
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*
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* Return: SCSI command reference or NULL.
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*/
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static struct scsi_cmnd *mpi3mr_scmd_from_host_tag(
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struct mpi3mr_ioc *mrioc, u16 host_tag, u16 qidx)
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{
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struct scsi_cmnd *scmd = NULL;
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struct scmd_priv *priv = NULL;
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u32 unique_tag = host_tag - 1;
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if (WARN_ON(host_tag > mrioc->max_host_ios))
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goto out;
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unique_tag |= (qidx << BLK_MQ_UNIQUE_TAG_BITS);
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scmd = scsi_host_find_tag(mrioc->shost, unique_tag);
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if (scmd) {
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priv = scsi_cmd_priv(scmd);
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if (!priv->in_lld_scope)
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scmd = NULL;
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}
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out:
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return scmd;
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}
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/**
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* mpi3mr_clear_scmd_priv - Cleanup SCSI command private date
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* @mrioc: Adapter instance reference
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* @scmd: SCSI command reference
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*
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* Invalidate the SCSI command private data to mark the command
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* is not in LLD scope anymore.
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*
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* Return: Nothing.
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*/
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static void mpi3mr_clear_scmd_priv(struct mpi3mr_ioc *mrioc,
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struct scsi_cmnd *scmd)
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{
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struct scmd_priv *priv = NULL;
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priv = scsi_cmd_priv(scmd);
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if (WARN_ON(priv->in_lld_scope == 0))
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return;
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priv->host_tag = MPI3MR_HOSTTAG_INVALID;
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priv->req_q_idx = 0xFFFF;
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priv->scmd = NULL;
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priv->in_lld_scope = 0;
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priv->meta_sg_valid = 0;
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if (priv->chain_idx >= 0) {
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clear_bit(priv->chain_idx, mrioc->chain_bitmap);
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priv->chain_idx = -1;
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}
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if (priv->meta_chain_idx >= 0) {
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clear_bit(priv->meta_chain_idx, mrioc->chain_bitmap);
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priv->meta_chain_idx = -1;
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}
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}
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static void mpi3mr_dev_rmhs_send_tm(struct mpi3mr_ioc *mrioc, u16 handle,
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struct mpi3mr_drv_cmd *cmdparam, u8 iou_rc);
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static void mpi3mr_fwevt_worker(struct work_struct *work);
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/**
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* mpi3mr_fwevt_free - firmware event memory dealloctor
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* @r: k reference pointer of the firmware event
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*
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* Free firmware event memory when no reference.
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*/
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static void mpi3mr_fwevt_free(struct kref *r)
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{
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kfree(container_of(r, struct mpi3mr_fwevt, ref_count));
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}
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/**
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* mpi3mr_fwevt_get - k reference incrementor
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* @fwevt: Firmware event reference
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*
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* Increment firmware event reference count.
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*/
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static void mpi3mr_fwevt_get(struct mpi3mr_fwevt *fwevt)
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{
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kref_get(&fwevt->ref_count);
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}
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/**
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* mpi3mr_fwevt_put - k reference decrementor
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* @fwevt: Firmware event reference
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*
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* decrement firmware event reference count.
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*/
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static void mpi3mr_fwevt_put(struct mpi3mr_fwevt *fwevt)
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{
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kref_put(&fwevt->ref_count, mpi3mr_fwevt_free);
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}
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/**
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* mpi3mr_alloc_fwevt - Allocate firmware event
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* @len: length of firmware event data to allocate
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*
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* Allocate firmware event with required length and initialize
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* the reference counter.
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*
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* Return: firmware event reference.
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*/
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static struct mpi3mr_fwevt *mpi3mr_alloc_fwevt(int len)
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{
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struct mpi3mr_fwevt *fwevt;
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fwevt = kzalloc(sizeof(*fwevt) + len, GFP_ATOMIC);
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if (!fwevt)
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return NULL;
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kref_init(&fwevt->ref_count);
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return fwevt;
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}
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/**
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* mpi3mr_fwevt_add_to_list - Add firmware event to the list
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* @mrioc: Adapter instance reference
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* @fwevt: Firmware event reference
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*
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* Add the given firmware event to the firmware event list.
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*
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* Return: Nothing.
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*/
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static void mpi3mr_fwevt_add_to_list(struct mpi3mr_ioc *mrioc,
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struct mpi3mr_fwevt *fwevt)
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{
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unsigned long flags;
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if (!mrioc->fwevt_worker_thread)
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return;
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spin_lock_irqsave(&mrioc->fwevt_lock, flags);
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/* get fwevt reference count while adding it to fwevt_list */
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mpi3mr_fwevt_get(fwevt);
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INIT_LIST_HEAD(&fwevt->list);
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list_add_tail(&fwevt->list, &mrioc->fwevt_list);
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INIT_WORK(&fwevt->work, mpi3mr_fwevt_worker);
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/* get fwevt reference count while enqueueing it to worker queue */
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mpi3mr_fwevt_get(fwevt);
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queue_work(mrioc->fwevt_worker_thread, &fwevt->work);
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spin_unlock_irqrestore(&mrioc->fwevt_lock, flags);
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}
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/**
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* mpi3mr_fwevt_del_from_list - Delete firmware event from list
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* @mrioc: Adapter instance reference
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* @fwevt: Firmware event reference
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*
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* Delete the given firmware event from the firmware event list.
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*
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* Return: Nothing.
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*/
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static void mpi3mr_fwevt_del_from_list(struct mpi3mr_ioc *mrioc,
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struct mpi3mr_fwevt *fwevt)
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{
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unsigned long flags;
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spin_lock_irqsave(&mrioc->fwevt_lock, flags);
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if (!list_empty(&fwevt->list)) {
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list_del_init(&fwevt->list);
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/*
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* Put fwevt reference count after
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* removing it from fwevt_list
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*/
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mpi3mr_fwevt_put(fwevt);
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}
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spin_unlock_irqrestore(&mrioc->fwevt_lock, flags);
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}
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/**
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* mpi3mr_dequeue_fwevt - Dequeue firmware event from the list
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* @mrioc: Adapter instance reference
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*
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* Dequeue a firmware event from the firmware event list.
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*
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* Return: firmware event.
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*/
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static struct mpi3mr_fwevt *mpi3mr_dequeue_fwevt(
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struct mpi3mr_ioc *mrioc)
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{
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unsigned long flags;
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struct mpi3mr_fwevt *fwevt = NULL;
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spin_lock_irqsave(&mrioc->fwevt_lock, flags);
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if (!list_empty(&mrioc->fwevt_list)) {
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fwevt = list_first_entry(&mrioc->fwevt_list,
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struct mpi3mr_fwevt, list);
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list_del_init(&fwevt->list);
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/*
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* Put fwevt reference count after
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* removing it from fwevt_list
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*/
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mpi3mr_fwevt_put(fwevt);
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}
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spin_unlock_irqrestore(&mrioc->fwevt_lock, flags);
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return fwevt;
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}
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/**
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* mpi3mr_cancel_work - cancel firmware event
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* @fwevt: fwevt object which needs to be canceled
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*
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* Return: Nothing.
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*/
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static void mpi3mr_cancel_work(struct mpi3mr_fwevt *fwevt)
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{
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/*
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* Wait on the fwevt to complete. If this returns 1, then
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* the event was never executed.
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*
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* If it did execute, we wait for it to finish, and the put will
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* happen from mpi3mr_process_fwevt()
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*/
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if (cancel_work_sync(&fwevt->work)) {
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/*
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* Put fwevt reference count after
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* dequeuing it from worker queue
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*/
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mpi3mr_fwevt_put(fwevt);
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/*
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* Put fwevt reference count to neutralize
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* kref_init increment
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*/
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mpi3mr_fwevt_put(fwevt);
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}
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}
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/**
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* mpi3mr_cleanup_fwevt_list - Cleanup firmware event list
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* @mrioc: Adapter instance reference
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*
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* Flush all pending firmware events from the firmware event
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* list.
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*
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* Return: Nothing.
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*/
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void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc)
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{
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struct mpi3mr_fwevt *fwevt = NULL;
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if ((list_empty(&mrioc->fwevt_list) && !mrioc->current_event) ||
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!mrioc->fwevt_worker_thread)
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return;
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while ((fwevt = mpi3mr_dequeue_fwevt(mrioc)))
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mpi3mr_cancel_work(fwevt);
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if (mrioc->current_event) {
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fwevt = mrioc->current_event;
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/*
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* Don't call cancel_work_sync() API for the
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* fwevt work if the controller reset is
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* get called as part of processing the
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* same fwevt work (or) when worker thread is
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* waiting for device add/remove APIs to complete.
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* Otherwise we will see deadlock.
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*/
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if (current_work() == &fwevt->work || fwevt->pending_at_sml) {
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fwevt->discard = 1;
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return;
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}
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mpi3mr_cancel_work(fwevt);
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}
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}
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/**
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* mpi3mr_queue_qd_reduction_event - Queue TG QD reduction event
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* @mrioc: Adapter instance reference
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* @tg: Throttle group information pointer
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*
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* Accessor to queue on synthetically generated driver event to
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* the event worker thread, the driver event will be used to
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* reduce the QD of all VDs in the TG from the worker thread.
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*
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* Return: None.
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*/
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static void mpi3mr_queue_qd_reduction_event(struct mpi3mr_ioc *mrioc,
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struct mpi3mr_throttle_group_info *tg)
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{
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struct mpi3mr_fwevt *fwevt;
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u16 sz = sizeof(struct mpi3mr_throttle_group_info *);
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/*
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* If the QD reduction event is already queued due to throttle and if
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* the QD is not restored through device info change event
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* then dont queue further reduction events
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*/
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if (tg->fw_qd != tg->modified_qd)
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return;
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fwevt = mpi3mr_alloc_fwevt(sz);
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if (!fwevt) {
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ioc_warn(mrioc, "failed to queue TG QD reduction event\n");
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return;
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}
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*(struct mpi3mr_throttle_group_info **)fwevt->event_data = tg;
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fwevt->mrioc = mrioc;
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fwevt->event_id = MPI3MR_DRIVER_EVENT_TG_QD_REDUCTION;
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fwevt->send_ack = 0;
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fwevt->process_evt = 1;
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fwevt->evt_ctx = 0;
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fwevt->event_data_size = sz;
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tg->modified_qd = max_t(u16, (tg->fw_qd * tg->qd_reduction) / 10, 8);
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dprint_event_bh(mrioc, "qd reduction event queued for tg_id(%d)\n",
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tg->id);
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mpi3mr_fwevt_add_to_list(mrioc, fwevt);
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}
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/**
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* mpi3mr_invalidate_devhandles -Invalidate device handles
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* @mrioc: Adapter instance reference
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*
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* Invalidate the device handles in the target device structures
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* . Called post reset prior to reinitializing the controller.
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*
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* Return: Nothing.
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*/
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void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc)
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{
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struct mpi3mr_tgt_dev *tgtdev;
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struct mpi3mr_stgt_priv_data *tgt_priv;
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list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list) {
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tgtdev->dev_handle = MPI3MR_INVALID_DEV_HANDLE;
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if (tgtdev->starget && tgtdev->starget->hostdata) {
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tgt_priv = tgtdev->starget->hostdata;
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tgt_priv->dev_handle = MPI3MR_INVALID_DEV_HANDLE;
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tgt_priv->io_throttle_enabled = 0;
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tgt_priv->io_divert = 0;
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tgt_priv->throttle_group = NULL;
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tgt_priv->wslen = 0;
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if (tgtdev->host_exposed)
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atomic_set(&tgt_priv->block_io, 1);
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}
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}
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}
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/**
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* mpi3mr_print_scmd - print individual SCSI command
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* @rq: Block request
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* @data: Adapter instance reference
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*
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* Print the SCSI command details if it is in LLD scope.
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*
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* Return: true always.
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*/
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static bool mpi3mr_print_scmd(struct request *rq, void *data)
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{
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struct mpi3mr_ioc *mrioc = (struct mpi3mr_ioc *)data;
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struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
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struct scmd_priv *priv = NULL;
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if (scmd) {
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priv = scsi_cmd_priv(scmd);
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if (!priv->in_lld_scope)
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goto out;
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|
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ioc_info(mrioc, "%s :Host Tag = %d, qid = %d\n",
|
|
__func__, priv->host_tag, priv->req_q_idx + 1);
|
|
scsi_print_command(scmd);
|
|
}
|
|
|
|
out:
|
|
return(true);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_flush_scmd - Flush individual SCSI command
|
|
* @rq: Block request
|
|
* @data: Adapter instance reference
|
|
*
|
|
* Return the SCSI command to the upper layers if it is in LLD
|
|
* scope.
|
|
*
|
|
* Return: true always.
|
|
*/
|
|
|
|
static bool mpi3mr_flush_scmd(struct request *rq, void *data)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = (struct mpi3mr_ioc *)data;
|
|
struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
|
|
struct scmd_priv *priv = NULL;
|
|
|
|
if (scmd) {
|
|
priv = scsi_cmd_priv(scmd);
|
|
if (!priv->in_lld_scope)
|
|
goto out;
|
|
|
|
if (priv->meta_sg_valid)
|
|
dma_unmap_sg(&mrioc->pdev->dev, scsi_prot_sglist(scmd),
|
|
scsi_prot_sg_count(scmd), scmd->sc_data_direction);
|
|
mpi3mr_clear_scmd_priv(mrioc, scmd);
|
|
scsi_dma_unmap(scmd);
|
|
scmd->result = DID_RESET << 16;
|
|
scsi_print_command(scmd);
|
|
scsi_done(scmd);
|
|
mrioc->flush_io_count++;
|
|
}
|
|
|
|
out:
|
|
return(true);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_count_dev_pending - Count commands pending for a lun
|
|
* @rq: Block request
|
|
* @data: SCSI device reference
|
|
*
|
|
* This is an iterator function called for each SCSI command in
|
|
* a host and if the command is pending in the LLD for the
|
|
* specific device(lun) then device specific pending I/O counter
|
|
* is updated in the device structure.
|
|
*
|
|
* Return: true always.
|
|
*/
|
|
|
|
static bool mpi3mr_count_dev_pending(struct request *rq, void *data)
|
|
{
|
|
struct scsi_device *sdev = (struct scsi_device *)data;
|
|
struct mpi3mr_sdev_priv_data *sdev_priv_data = sdev->hostdata;
|
|
struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
|
|
struct scmd_priv *priv;
|
|
|
|
if (scmd) {
|
|
priv = scsi_cmd_priv(scmd);
|
|
if (!priv->in_lld_scope)
|
|
goto out;
|
|
if (scmd->device == sdev)
|
|
sdev_priv_data->pend_count++;
|
|
}
|
|
|
|
out:
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_count_tgt_pending - Count commands pending for target
|
|
* @rq: Block request
|
|
* @data: SCSI target reference
|
|
*
|
|
* This is an iterator function called for each SCSI command in
|
|
* a host and if the command is pending in the LLD for the
|
|
* specific target then target specific pending I/O counter is
|
|
* updated in the target structure.
|
|
*
|
|
* Return: true always.
|
|
*/
|
|
|
|
static bool mpi3mr_count_tgt_pending(struct request *rq, void *data)
|
|
{
|
|
struct scsi_target *starget = (struct scsi_target *)data;
|
|
struct mpi3mr_stgt_priv_data *stgt_priv_data = starget->hostdata;
|
|
struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
|
|
struct scmd_priv *priv;
|
|
|
|
if (scmd) {
|
|
priv = scsi_cmd_priv(scmd);
|
|
if (!priv->in_lld_scope)
|
|
goto out;
|
|
if (scmd->device && (scsi_target(scmd->device) == starget))
|
|
stgt_priv_data->pend_count++;
|
|
}
|
|
|
|
out:
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_flush_host_io - Flush host I/Os
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Flush all of the pending I/Os by calling
|
|
* blk_mq_tagset_busy_iter() for each possible tag. This is
|
|
* executed post controller reset
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
void mpi3mr_flush_host_io(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct Scsi_Host *shost = mrioc->shost;
|
|
|
|
mrioc->flush_io_count = 0;
|
|
ioc_info(mrioc, "%s :Flushing Host I/O cmds post reset\n", __func__);
|
|
blk_mq_tagset_busy_iter(&shost->tag_set,
|
|
mpi3mr_flush_scmd, (void *)mrioc);
|
|
ioc_info(mrioc, "%s :Flushed %d Host I/O cmds\n", __func__,
|
|
mrioc->flush_io_count);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_flush_cmds_for_unrecovered_controller - Flush all pending cmds
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* This function waits for currently running IO poll threads to
|
|
* exit and then flushes all host I/Os and any internal pending
|
|
* cmds. This is executed after controller is marked as
|
|
* unrecoverable.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
void mpi3mr_flush_cmds_for_unrecovered_controller(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct Scsi_Host *shost = mrioc->shost;
|
|
int i;
|
|
|
|
if (!mrioc->unrecoverable)
|
|
return;
|
|
|
|
if (mrioc->op_reply_qinfo) {
|
|
for (i = 0; i < mrioc->num_queues; i++) {
|
|
while (atomic_read(&mrioc->op_reply_qinfo[i].in_use))
|
|
udelay(500);
|
|
atomic_set(&mrioc->op_reply_qinfo[i].pend_ios, 0);
|
|
}
|
|
}
|
|
mrioc->flush_io_count = 0;
|
|
blk_mq_tagset_busy_iter(&shost->tag_set,
|
|
mpi3mr_flush_scmd, (void *)mrioc);
|
|
mpi3mr_flush_delayed_cmd_lists(mrioc);
|
|
mpi3mr_flush_drv_cmds(mrioc);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_alloc_tgtdev - target device allocator
|
|
*
|
|
* Allocate target device instance and initialize the reference
|
|
* count
|
|
*
|
|
* Return: target device instance.
|
|
*/
|
|
static struct mpi3mr_tgt_dev *mpi3mr_alloc_tgtdev(void)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
|
|
tgtdev = kzalloc(sizeof(*tgtdev), GFP_ATOMIC);
|
|
if (!tgtdev)
|
|
return NULL;
|
|
kref_init(&tgtdev->ref_count);
|
|
return tgtdev;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_tgtdev_add_to_list -Add tgtdevice to the list
|
|
* @mrioc: Adapter instance reference
|
|
* @tgtdev: Target device
|
|
*
|
|
* Add the target device to the target device list
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_tgtdev_add_to_list(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_tgt_dev *tgtdev)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
mpi3mr_tgtdev_get(tgtdev);
|
|
INIT_LIST_HEAD(&tgtdev->list);
|
|
list_add_tail(&tgtdev->list, &mrioc->tgtdev_list);
|
|
tgtdev->state = MPI3MR_DEV_CREATED;
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_tgtdev_del_from_list -Delete tgtdevice from the list
|
|
* @mrioc: Adapter instance reference
|
|
* @tgtdev: Target device
|
|
* @must_delete: Must delete the target device from the list irrespective
|
|
* of the device state.
|
|
*
|
|
* Remove the target device from the target device list
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_tgtdev_del_from_list(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_tgt_dev *tgtdev, bool must_delete)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
if ((tgtdev->state == MPI3MR_DEV_REMOVE_HS_STARTED) || (must_delete == true)) {
|
|
if (!list_empty(&tgtdev->list)) {
|
|
list_del_init(&tgtdev->list);
|
|
tgtdev->state = MPI3MR_DEV_DELETED;
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* __mpi3mr_get_tgtdev_by_handle -Get tgtdev from device handle
|
|
* @mrioc: Adapter instance reference
|
|
* @handle: Device handle
|
|
*
|
|
* Accessor to retrieve target device from the device handle.
|
|
* Non Lock version
|
|
*
|
|
* Return: Target device reference.
|
|
*/
|
|
static struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_handle(
|
|
struct mpi3mr_ioc *mrioc, u16 handle)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
|
|
assert_spin_locked(&mrioc->tgtdev_lock);
|
|
list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list)
|
|
if (tgtdev->dev_handle == handle)
|
|
goto found_tgtdev;
|
|
return NULL;
|
|
|
|
found_tgtdev:
|
|
mpi3mr_tgtdev_get(tgtdev);
|
|
return tgtdev;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_get_tgtdev_by_handle -Get tgtdev from device handle
|
|
* @mrioc: Adapter instance reference
|
|
* @handle: Device handle
|
|
*
|
|
* Accessor to retrieve target device from the device handle.
|
|
* Lock version
|
|
*
|
|
* Return: Target device reference.
|
|
*/
|
|
struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_handle(
|
|
struct mpi3mr_ioc *mrioc, u16 handle)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
tgtdev = __mpi3mr_get_tgtdev_by_handle(mrioc, handle);
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
return tgtdev;
|
|
}
|
|
|
|
/**
|
|
* __mpi3mr_get_tgtdev_by_perst_id -Get tgtdev from persist ID
|
|
* @mrioc: Adapter instance reference
|
|
* @persist_id: Persistent ID
|
|
*
|
|
* Accessor to retrieve target device from the Persistent ID.
|
|
* Non Lock version
|
|
*
|
|
* Return: Target device reference.
|
|
*/
|
|
static struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_perst_id(
|
|
struct mpi3mr_ioc *mrioc, u16 persist_id)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
|
|
assert_spin_locked(&mrioc->tgtdev_lock);
|
|
list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list)
|
|
if (tgtdev->perst_id == persist_id)
|
|
goto found_tgtdev;
|
|
return NULL;
|
|
|
|
found_tgtdev:
|
|
mpi3mr_tgtdev_get(tgtdev);
|
|
return tgtdev;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_get_tgtdev_by_perst_id -Get tgtdev from persistent ID
|
|
* @mrioc: Adapter instance reference
|
|
* @persist_id: Persistent ID
|
|
*
|
|
* Accessor to retrieve target device from the Persistent ID.
|
|
* Lock version
|
|
*
|
|
* Return: Target device reference.
|
|
*/
|
|
static struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_perst_id(
|
|
struct mpi3mr_ioc *mrioc, u16 persist_id)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
tgtdev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, persist_id);
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
return tgtdev;
|
|
}
|
|
|
|
/**
|
|
* __mpi3mr_get_tgtdev_from_tgtpriv -Get tgtdev from tgt private
|
|
* @mrioc: Adapter instance reference
|
|
* @tgt_priv: Target private data
|
|
*
|
|
* Accessor to return target device from the target private
|
|
* data. Non Lock version
|
|
*
|
|
* Return: Target device reference.
|
|
*/
|
|
static struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_from_tgtpriv(
|
|
struct mpi3mr_ioc *mrioc, struct mpi3mr_stgt_priv_data *tgt_priv)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
|
|
assert_spin_locked(&mrioc->tgtdev_lock);
|
|
tgtdev = tgt_priv->tgt_dev;
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_get(tgtdev);
|
|
return tgtdev;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_set_io_divert_for_all_vd_in_tg -set divert for TG VDs
|
|
* @mrioc: Adapter instance reference
|
|
* @tg: Throttle group information pointer
|
|
* @divert_value: 1 or 0
|
|
*
|
|
* Accessor to set io_divert flag for each device associated
|
|
* with the given throttle group with the given value.
|
|
*
|
|
* Return: None.
|
|
*/
|
|
static void mpi3mr_set_io_divert_for_all_vd_in_tg(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_throttle_group_info *tg, u8 divert_value)
|
|
{
|
|
unsigned long flags;
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
struct mpi3mr_stgt_priv_data *tgt_priv;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list) {
|
|
if (tgtdev->starget && tgtdev->starget->hostdata) {
|
|
tgt_priv = tgtdev->starget->hostdata;
|
|
if (tgt_priv->throttle_group == tg)
|
|
tgt_priv->io_divert = divert_value;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_print_device_event_notice - print notice related to post processing of
|
|
* device event after controller reset.
|
|
*
|
|
* @mrioc: Adapter instance reference
|
|
* @device_add: true for device add event and false for device removal event
|
|
*
|
|
* Return: None.
|
|
*/
|
|
void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
|
|
bool device_add)
|
|
{
|
|
ioc_notice(mrioc, "Device %s was in progress before the reset and\n",
|
|
(device_add ? "addition" : "removal"));
|
|
ioc_notice(mrioc, "completed after reset, verify whether the exposed devices\n");
|
|
ioc_notice(mrioc, "are matched with attached devices for correctness\n");
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_remove_tgtdev_from_host - Remove dev from upper layers
|
|
* @mrioc: Adapter instance reference
|
|
* @tgtdev: Target device structure
|
|
*
|
|
* Checks whether the device is exposed to upper layers and if it
|
|
* is then remove the device from upper layers by calling
|
|
* scsi_remove_target().
|
|
*
|
|
* Return: 0 on success, non zero on failure.
|
|
*/
|
|
void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_tgt_dev *tgtdev)
|
|
{
|
|
struct mpi3mr_stgt_priv_data *tgt_priv;
|
|
|
|
ioc_info(mrioc, "%s :Removing handle(0x%04x), wwid(0x%016llx)\n",
|
|
__func__, tgtdev->dev_handle, (unsigned long long)tgtdev->wwid);
|
|
if (tgtdev->starget && tgtdev->starget->hostdata) {
|
|
tgt_priv = tgtdev->starget->hostdata;
|
|
atomic_set(&tgt_priv->block_io, 0);
|
|
tgt_priv->dev_handle = MPI3MR_INVALID_DEV_HANDLE;
|
|
}
|
|
|
|
if (!mrioc->sas_transport_enabled || (tgtdev->dev_type !=
|
|
MPI3_DEVICE_DEVFORM_SAS_SATA) || tgtdev->non_stl) {
|
|
if (tgtdev->starget) {
|
|
if (mrioc->current_event)
|
|
mrioc->current_event->pending_at_sml = 1;
|
|
scsi_remove_target(&tgtdev->starget->dev);
|
|
tgtdev->host_exposed = 0;
|
|
if (mrioc->current_event) {
|
|
mrioc->current_event->pending_at_sml = 0;
|
|
if (mrioc->current_event->discard) {
|
|
mpi3mr_print_device_event_notice(mrioc,
|
|
false);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
} else
|
|
mpi3mr_remove_tgtdev_from_sas_transport(mrioc, tgtdev);
|
|
|
|
ioc_info(mrioc, "%s :Removed handle(0x%04x), wwid(0x%016llx)\n",
|
|
__func__, tgtdev->dev_handle, (unsigned long long)tgtdev->wwid);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_report_tgtdev_to_host - Expose device to upper layers
|
|
* @mrioc: Adapter instance reference
|
|
* @perst_id: Persistent ID of the device
|
|
*
|
|
* Checks whether the device can be exposed to upper layers and
|
|
* if it is not then expose the device to upper layers by
|
|
* calling scsi_scan_target().
|
|
*
|
|
* Return: 0 on success, non zero on failure.
|
|
*/
|
|
static int mpi3mr_report_tgtdev_to_host(struct mpi3mr_ioc *mrioc,
|
|
u16 perst_id)
|
|
{
|
|
int retval = 0;
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
|
|
if (mrioc->reset_in_progress)
|
|
return -1;
|
|
|
|
tgtdev = mpi3mr_get_tgtdev_by_perst_id(mrioc, perst_id);
|
|
if (!tgtdev) {
|
|
retval = -1;
|
|
goto out;
|
|
}
|
|
if (tgtdev->is_hidden || tgtdev->host_exposed) {
|
|
retval = -1;
|
|
goto out;
|
|
}
|
|
if (!mrioc->sas_transport_enabled || (tgtdev->dev_type !=
|
|
MPI3_DEVICE_DEVFORM_SAS_SATA) || tgtdev->non_stl){
|
|
tgtdev->host_exposed = 1;
|
|
if (mrioc->current_event)
|
|
mrioc->current_event->pending_at_sml = 1;
|
|
scsi_scan_target(&mrioc->shost->shost_gendev,
|
|
mrioc->scsi_device_channel, tgtdev->perst_id,
|
|
SCAN_WILD_CARD, SCSI_SCAN_INITIAL);
|
|
if (!tgtdev->starget)
|
|
tgtdev->host_exposed = 0;
|
|
if (mrioc->current_event) {
|
|
mrioc->current_event->pending_at_sml = 0;
|
|
if (mrioc->current_event->discard) {
|
|
mpi3mr_print_device_event_notice(mrioc, true);
|
|
goto out;
|
|
}
|
|
}
|
|
} else
|
|
mpi3mr_report_tgtdev_to_sas_transport(mrioc, tgtdev);
|
|
out:
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_change_queue_depth- Change QD callback handler
|
|
* @sdev: SCSI device reference
|
|
* @q_depth: Queue depth
|
|
*
|
|
* Validate and limit QD and call scsi_change_queue_depth.
|
|
*
|
|
* Return: return value of scsi_change_queue_depth
|
|
*/
|
|
static int mpi3mr_change_queue_depth(struct scsi_device *sdev,
|
|
int q_depth)
|
|
{
|
|
struct scsi_target *starget = scsi_target(sdev);
|
|
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
|
|
int retval = 0;
|
|
|
|
if (!sdev->tagged_supported)
|
|
q_depth = 1;
|
|
if (q_depth > shost->can_queue)
|
|
q_depth = shost->can_queue;
|
|
else if (!q_depth)
|
|
q_depth = MPI3MR_DEFAULT_SDEV_QD;
|
|
retval = scsi_change_queue_depth(sdev, q_depth);
|
|
sdev->max_queue_depth = sdev->queue_depth;
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_update_sdev - Update SCSI device information
|
|
* @sdev: SCSI device reference
|
|
* @data: target device reference
|
|
*
|
|
* This is an iterator function called for each SCSI device in a
|
|
* target to update the target specific information into each
|
|
* SCSI device.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void
|
|
mpi3mr_update_sdev(struct scsi_device *sdev, void *data)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
|
|
tgtdev = (struct mpi3mr_tgt_dev *)data;
|
|
if (!tgtdev)
|
|
return;
|
|
|
|
mpi3mr_change_queue_depth(sdev, tgtdev->q_depth);
|
|
switch (tgtdev->dev_type) {
|
|
case MPI3_DEVICE_DEVFORM_PCIE:
|
|
/*The block layer hw sector size = 512*/
|
|
if ((tgtdev->dev_spec.pcie_inf.dev_info &
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) ==
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) {
|
|
blk_queue_max_hw_sectors(sdev->request_queue,
|
|
tgtdev->dev_spec.pcie_inf.mdts / 512);
|
|
if (tgtdev->dev_spec.pcie_inf.pgsz == 0)
|
|
blk_queue_virt_boundary(sdev->request_queue,
|
|
((1 << MPI3MR_DEFAULT_PGSZEXP) - 1));
|
|
else
|
|
blk_queue_virt_boundary(sdev->request_queue,
|
|
((1 << tgtdev->dev_spec.pcie_inf.pgsz) - 1));
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_rfresh_tgtdevs - Refresh target device exposure
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* This is executed post controller reset to identify any
|
|
* missing devices during reset and remove from the upper layers
|
|
* or expose any newly detected device to the upper layers.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
|
|
void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev, *tgtdev_next;
|
|
struct mpi3mr_stgt_priv_data *tgt_priv;
|
|
|
|
dprint_reset(mrioc, "refresh target devices: check for removals\n");
|
|
list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list,
|
|
list) {
|
|
if ((tgtdev->dev_handle == MPI3MR_INVALID_DEV_HANDLE) &&
|
|
tgtdev->host_exposed && tgtdev->starget &&
|
|
tgtdev->starget->hostdata) {
|
|
tgt_priv = tgtdev->starget->hostdata;
|
|
tgt_priv->dev_removed = 1;
|
|
atomic_set(&tgt_priv->block_io, 0);
|
|
}
|
|
}
|
|
|
|
list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list,
|
|
list) {
|
|
if (tgtdev->dev_handle == MPI3MR_INVALID_DEV_HANDLE) {
|
|
dprint_reset(mrioc, "removing target device with perst_id(%d)\n",
|
|
tgtdev->perst_id);
|
|
if (tgtdev->host_exposed)
|
|
mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev);
|
|
mpi3mr_tgtdev_del_from_list(mrioc, tgtdev, true);
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
}
|
|
|
|
tgtdev = NULL;
|
|
list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list) {
|
|
if ((tgtdev->dev_handle != MPI3MR_INVALID_DEV_HANDLE) &&
|
|
!tgtdev->is_hidden && !tgtdev->host_exposed)
|
|
mpi3mr_report_tgtdev_to_host(mrioc, tgtdev->perst_id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_update_tgtdev - DevStatusChange evt bottomhalf
|
|
* @mrioc: Adapter instance reference
|
|
* @tgtdev: Target device internal structure
|
|
* @dev_pg0: New device page0
|
|
* @is_added: Flag to indicate the device is just added
|
|
*
|
|
* Update the information from the device page0 into the driver
|
|
* cached target device structure.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_tgt_dev *tgtdev, struct mpi3_device_page0 *dev_pg0,
|
|
bool is_added)
|
|
{
|
|
u16 flags = 0;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data = NULL;
|
|
struct mpi3mr_enclosure_node *enclosure_dev = NULL;
|
|
u8 prot_mask = 0;
|
|
|
|
tgtdev->perst_id = le16_to_cpu(dev_pg0->persistent_id);
|
|
tgtdev->dev_handle = le16_to_cpu(dev_pg0->dev_handle);
|
|
tgtdev->dev_type = dev_pg0->device_form;
|
|
tgtdev->io_unit_port = dev_pg0->io_unit_port;
|
|
tgtdev->encl_handle = le16_to_cpu(dev_pg0->enclosure_handle);
|
|
tgtdev->parent_handle = le16_to_cpu(dev_pg0->parent_dev_handle);
|
|
tgtdev->slot = le16_to_cpu(dev_pg0->slot);
|
|
tgtdev->q_depth = le16_to_cpu(dev_pg0->queue_depth);
|
|
tgtdev->wwid = le64_to_cpu(dev_pg0->wwid);
|
|
tgtdev->devpg0_flag = le16_to_cpu(dev_pg0->flags);
|
|
|
|
if (tgtdev->encl_handle)
|
|
enclosure_dev = mpi3mr_enclosure_find_by_handle(mrioc,
|
|
tgtdev->encl_handle);
|
|
if (enclosure_dev)
|
|
tgtdev->enclosure_logical_id = le64_to_cpu(
|
|
enclosure_dev->pg0.enclosure_logical_id);
|
|
|
|
flags = tgtdev->devpg0_flag;
|
|
|
|
tgtdev->is_hidden = (flags & MPI3_DEVICE0_FLAGS_HIDDEN);
|
|
|
|
if (is_added == true)
|
|
tgtdev->io_throttle_enabled =
|
|
(flags & MPI3_DEVICE0_FLAGS_IO_THROTTLING_REQUIRED) ? 1 : 0;
|
|
|
|
switch (flags & MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_MASK) {
|
|
case MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_256_LB:
|
|
tgtdev->wslen = MPI3MR_WRITE_SAME_MAX_LEN_256_BLKS;
|
|
break;
|
|
case MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_2048_LB:
|
|
tgtdev->wslen = MPI3MR_WRITE_SAME_MAX_LEN_2048_BLKS;
|
|
break;
|
|
case MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_NO_LIMIT:
|
|
default:
|
|
tgtdev->wslen = 0;
|
|
break;
|
|
}
|
|
|
|
if (tgtdev->starget && tgtdev->starget->hostdata) {
|
|
scsi_tgt_priv_data = (struct mpi3mr_stgt_priv_data *)
|
|
tgtdev->starget->hostdata;
|
|
scsi_tgt_priv_data->perst_id = tgtdev->perst_id;
|
|
scsi_tgt_priv_data->dev_handle = tgtdev->dev_handle;
|
|
scsi_tgt_priv_data->dev_type = tgtdev->dev_type;
|
|
scsi_tgt_priv_data->io_throttle_enabled =
|
|
tgtdev->io_throttle_enabled;
|
|
if (is_added == true)
|
|
atomic_set(&scsi_tgt_priv_data->block_io, 0);
|
|
scsi_tgt_priv_data->wslen = tgtdev->wslen;
|
|
}
|
|
|
|
switch (dev_pg0->access_status) {
|
|
case MPI3_DEVICE0_ASTATUS_NO_ERRORS:
|
|
case MPI3_DEVICE0_ASTATUS_PREPARE:
|
|
case MPI3_DEVICE0_ASTATUS_NEEDS_INITIALIZATION:
|
|
case MPI3_DEVICE0_ASTATUS_DEVICE_MISSING_DELAY:
|
|
break;
|
|
default:
|
|
tgtdev->is_hidden = 1;
|
|
break;
|
|
}
|
|
|
|
switch (tgtdev->dev_type) {
|
|
case MPI3_DEVICE_DEVFORM_SAS_SATA:
|
|
{
|
|
struct mpi3_device0_sas_sata_format *sasinf =
|
|
&dev_pg0->device_specific.sas_sata_format;
|
|
u16 dev_info = le16_to_cpu(sasinf->device_info);
|
|
|
|
tgtdev->dev_spec.sas_sata_inf.dev_info = dev_info;
|
|
tgtdev->dev_spec.sas_sata_inf.sas_address =
|
|
le64_to_cpu(sasinf->sas_address);
|
|
tgtdev->dev_spec.sas_sata_inf.phy_id = sasinf->phy_num;
|
|
tgtdev->dev_spec.sas_sata_inf.attached_phy_id =
|
|
sasinf->attached_phy_identifier;
|
|
if ((dev_info & MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_MASK) !=
|
|
MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_END_DEVICE)
|
|
tgtdev->is_hidden = 1;
|
|
else if (!(dev_info & (MPI3_SAS_DEVICE_INFO_STP_SATA_TARGET |
|
|
MPI3_SAS_DEVICE_INFO_SSP_TARGET)))
|
|
tgtdev->is_hidden = 1;
|
|
|
|
if (((tgtdev->devpg0_flag &
|
|
MPI3_DEVICE0_FLAGS_ATT_METHOD_DIR_ATTACHED)
|
|
&& (tgtdev->devpg0_flag &
|
|
MPI3_DEVICE0_FLAGS_ATT_METHOD_VIRTUAL)) ||
|
|
(tgtdev->parent_handle == 0xFFFF))
|
|
tgtdev->non_stl = 1;
|
|
if (tgtdev->dev_spec.sas_sata_inf.hba_port)
|
|
tgtdev->dev_spec.sas_sata_inf.hba_port->port_id =
|
|
dev_pg0->io_unit_port;
|
|
break;
|
|
}
|
|
case MPI3_DEVICE_DEVFORM_PCIE:
|
|
{
|
|
struct mpi3_device0_pcie_format *pcieinf =
|
|
&dev_pg0->device_specific.pcie_format;
|
|
u16 dev_info = le16_to_cpu(pcieinf->device_info);
|
|
|
|
tgtdev->dev_spec.pcie_inf.dev_info = dev_info;
|
|
tgtdev->dev_spec.pcie_inf.capb =
|
|
le32_to_cpu(pcieinf->capabilities);
|
|
tgtdev->dev_spec.pcie_inf.mdts = MPI3MR_DEFAULT_MDTS;
|
|
/* 2^12 = 4096 */
|
|
tgtdev->dev_spec.pcie_inf.pgsz = 12;
|
|
if (dev_pg0->access_status == MPI3_DEVICE0_ASTATUS_NO_ERRORS) {
|
|
tgtdev->dev_spec.pcie_inf.mdts =
|
|
le32_to_cpu(pcieinf->maximum_data_transfer_size);
|
|
tgtdev->dev_spec.pcie_inf.pgsz = pcieinf->page_size;
|
|
tgtdev->dev_spec.pcie_inf.reset_to =
|
|
max_t(u8, pcieinf->controller_reset_to,
|
|
MPI3MR_INTADMCMD_TIMEOUT);
|
|
tgtdev->dev_spec.pcie_inf.abort_to =
|
|
max_t(u8, pcieinf->nvme_abort_to,
|
|
MPI3MR_INTADMCMD_TIMEOUT);
|
|
}
|
|
if (tgtdev->dev_spec.pcie_inf.mdts > (1024 * 1024))
|
|
tgtdev->dev_spec.pcie_inf.mdts = (1024 * 1024);
|
|
if (((dev_info & MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) !=
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) &&
|
|
((dev_info & MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) !=
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_SCSI_DEVICE))
|
|
tgtdev->is_hidden = 1;
|
|
tgtdev->non_stl = 1;
|
|
if (!mrioc->shost)
|
|
break;
|
|
prot_mask = scsi_host_get_prot(mrioc->shost);
|
|
if (prot_mask & SHOST_DIX_TYPE0_PROTECTION) {
|
|
scsi_host_set_prot(mrioc->shost, prot_mask & 0x77);
|
|
ioc_info(mrioc,
|
|
"%s : Disabling DIX0 prot capability\n", __func__);
|
|
ioc_info(mrioc,
|
|
"because HBA does not support DIX0 operation on NVME drives\n");
|
|
}
|
|
break;
|
|
}
|
|
case MPI3_DEVICE_DEVFORM_VD:
|
|
{
|
|
struct mpi3_device0_vd_format *vdinf =
|
|
&dev_pg0->device_specific.vd_format;
|
|
struct mpi3mr_throttle_group_info *tg = NULL;
|
|
u16 vdinf_io_throttle_group =
|
|
le16_to_cpu(vdinf->io_throttle_group);
|
|
|
|
tgtdev->dev_spec.vd_inf.state = vdinf->vd_state;
|
|
if (vdinf->vd_state == MPI3_DEVICE0_VD_STATE_OFFLINE)
|
|
tgtdev->is_hidden = 1;
|
|
tgtdev->non_stl = 1;
|
|
tgtdev->dev_spec.vd_inf.tg_id = vdinf_io_throttle_group;
|
|
tgtdev->dev_spec.vd_inf.tg_high =
|
|
le16_to_cpu(vdinf->io_throttle_group_high) * 2048;
|
|
tgtdev->dev_spec.vd_inf.tg_low =
|
|
le16_to_cpu(vdinf->io_throttle_group_low) * 2048;
|
|
if (vdinf_io_throttle_group < mrioc->num_io_throttle_group) {
|
|
tg = mrioc->throttle_groups + vdinf_io_throttle_group;
|
|
tg->id = vdinf_io_throttle_group;
|
|
tg->high = tgtdev->dev_spec.vd_inf.tg_high;
|
|
tg->low = tgtdev->dev_spec.vd_inf.tg_low;
|
|
tg->qd_reduction =
|
|
tgtdev->dev_spec.vd_inf.tg_qd_reduction;
|
|
if (is_added == true)
|
|
tg->fw_qd = tgtdev->q_depth;
|
|
tg->modified_qd = tgtdev->q_depth;
|
|
}
|
|
tgtdev->dev_spec.vd_inf.tg = tg;
|
|
if (scsi_tgt_priv_data)
|
|
scsi_tgt_priv_data->throttle_group = tg;
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_devstatuschg_evt_bh - DevStatusChange evt bottomhalf
|
|
* @mrioc: Adapter instance reference
|
|
* @fwevt: Firmware event information.
|
|
*
|
|
* Process Device status Change event and based on device's new
|
|
* information, either expose the device to the upper layers, or
|
|
* remove the device from upper layers.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_devstatuschg_evt_bh(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_fwevt *fwevt)
|
|
{
|
|
u16 dev_handle = 0;
|
|
u8 uhide = 0, delete = 0, cleanup = 0;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
struct mpi3_event_data_device_status_change *evtdata =
|
|
(struct mpi3_event_data_device_status_change *)fwevt->event_data;
|
|
|
|
dev_handle = le16_to_cpu(evtdata->dev_handle);
|
|
ioc_info(mrioc,
|
|
"%s :device status change: handle(0x%04x): reason code(0x%x)\n",
|
|
__func__, dev_handle, evtdata->reason_code);
|
|
switch (evtdata->reason_code) {
|
|
case MPI3_EVENT_DEV_STAT_RC_HIDDEN:
|
|
delete = 1;
|
|
break;
|
|
case MPI3_EVENT_DEV_STAT_RC_NOT_HIDDEN:
|
|
uhide = 1;
|
|
break;
|
|
case MPI3_EVENT_DEV_STAT_RC_VD_NOT_RESPONDING:
|
|
delete = 1;
|
|
cleanup = 1;
|
|
break;
|
|
default:
|
|
ioc_info(mrioc, "%s :Unhandled reason code(0x%x)\n", __func__,
|
|
evtdata->reason_code);
|
|
break;
|
|
}
|
|
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, dev_handle);
|
|
if (!tgtdev)
|
|
goto out;
|
|
if (uhide) {
|
|
tgtdev->is_hidden = 0;
|
|
if (!tgtdev->host_exposed)
|
|
mpi3mr_report_tgtdev_to_host(mrioc, tgtdev->perst_id);
|
|
}
|
|
|
|
if (delete)
|
|
mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev);
|
|
|
|
if (cleanup) {
|
|
mpi3mr_tgtdev_del_from_list(mrioc, tgtdev, false);
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
|
|
out:
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_devinfochg_evt_bh - DeviceInfoChange evt bottomhalf
|
|
* @mrioc: Adapter instance reference
|
|
* @dev_pg0: New device page0
|
|
*
|
|
* Process Device Info Change event and based on device's new
|
|
* information, either expose the device to the upper layers, or
|
|
* remove the device from upper layers or update the details of
|
|
* the device.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_devinfochg_evt_bh(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_device_page0 *dev_pg0)
|
|
{
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
u16 dev_handle = 0, perst_id = 0;
|
|
|
|
perst_id = le16_to_cpu(dev_pg0->persistent_id);
|
|
dev_handle = le16_to_cpu(dev_pg0->dev_handle);
|
|
ioc_info(mrioc,
|
|
"%s :Device info change: handle(0x%04x): persist_id(0x%x)\n",
|
|
__func__, dev_handle, perst_id);
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, dev_handle);
|
|
if (!tgtdev)
|
|
goto out;
|
|
mpi3mr_update_tgtdev(mrioc, tgtdev, dev_pg0, false);
|
|
if (!tgtdev->is_hidden && !tgtdev->host_exposed)
|
|
mpi3mr_report_tgtdev_to_host(mrioc, perst_id);
|
|
if (tgtdev->is_hidden && tgtdev->host_exposed)
|
|
mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev);
|
|
if (!tgtdev->is_hidden && tgtdev->host_exposed && tgtdev->starget)
|
|
starget_for_each_device(tgtdev->starget, (void *)tgtdev,
|
|
mpi3mr_update_sdev);
|
|
out:
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_free_enclosure_list - release enclosures
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Free memory allocated during encloure add.
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct mpi3mr_enclosure_node *enclosure_dev, *enclosure_dev_next;
|
|
|
|
list_for_each_entry_safe(enclosure_dev,
|
|
enclosure_dev_next, &mrioc->enclosure_list, list) {
|
|
list_del(&enclosure_dev->list);
|
|
kfree(enclosure_dev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_enclosure_find_by_handle - enclosure search by handle
|
|
* @mrioc: Adapter instance reference
|
|
* @handle: Firmware device handle of the enclosure
|
|
*
|
|
* This searches for enclosure device based on handle, then returns the
|
|
* enclosure object.
|
|
*
|
|
* Return: Enclosure object reference or NULL
|
|
*/
|
|
struct mpi3mr_enclosure_node *mpi3mr_enclosure_find_by_handle(
|
|
struct mpi3mr_ioc *mrioc, u16 handle)
|
|
{
|
|
struct mpi3mr_enclosure_node *enclosure_dev, *r = NULL;
|
|
|
|
list_for_each_entry(enclosure_dev, &mrioc->enclosure_list, list) {
|
|
if (le16_to_cpu(enclosure_dev->pg0.enclosure_handle) != handle)
|
|
continue;
|
|
r = enclosure_dev;
|
|
goto out;
|
|
}
|
|
out:
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_encldev_add_chg_evt_debug - debug for enclosure event
|
|
* @mrioc: Adapter instance reference
|
|
* @encl_pg0: Enclosure page 0.
|
|
* @is_added: Added event or not
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
static void mpi3mr_encldev_add_chg_evt_debug(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_enclosure_page0 *encl_pg0, u8 is_added)
|
|
{
|
|
char *reason_str = NULL;
|
|
|
|
if (!(mrioc->logging_level & MPI3_DEBUG_EVENT_WORK_TASK))
|
|
return;
|
|
|
|
if (is_added)
|
|
reason_str = "enclosure added";
|
|
else
|
|
reason_str = "enclosure dev status changed";
|
|
|
|
ioc_info(mrioc,
|
|
"%s: handle(0x%04x), enclosure logical id(0x%016llx)\n",
|
|
reason_str, le16_to_cpu(encl_pg0->enclosure_handle),
|
|
(unsigned long long)le64_to_cpu(encl_pg0->enclosure_logical_id));
|
|
ioc_info(mrioc,
|
|
"number of slots(%d), port(%d), flags(0x%04x), present(%d)\n",
|
|
le16_to_cpu(encl_pg0->num_slots), encl_pg0->io_unit_port,
|
|
le16_to_cpu(encl_pg0->flags),
|
|
((le16_to_cpu(encl_pg0->flags) &
|
|
MPI3_ENCLS0_FLAGS_ENCL_DEV_PRESENT_MASK) >> 4));
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_encldev_add_chg_evt_bh - Enclosure evt bottomhalf
|
|
* @mrioc: Adapter instance reference
|
|
* @fwevt: Firmware event reference
|
|
*
|
|
* Prints information about the Enclosure device status or
|
|
* Enclosure add events if logging is enabled and add or remove
|
|
* the enclosure from the controller's internal list of
|
|
* enclosures.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_encldev_add_chg_evt_bh(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_fwevt *fwevt)
|
|
{
|
|
struct mpi3mr_enclosure_node *enclosure_dev = NULL;
|
|
struct mpi3_enclosure_page0 *encl_pg0;
|
|
u16 encl_handle;
|
|
u8 added, present;
|
|
|
|
encl_pg0 = (struct mpi3_enclosure_page0 *) fwevt->event_data;
|
|
added = (fwevt->event_id == MPI3_EVENT_ENCL_DEVICE_ADDED) ? 1 : 0;
|
|
mpi3mr_encldev_add_chg_evt_debug(mrioc, encl_pg0, added);
|
|
|
|
|
|
encl_handle = le16_to_cpu(encl_pg0->enclosure_handle);
|
|
present = ((le16_to_cpu(encl_pg0->flags) &
|
|
MPI3_ENCLS0_FLAGS_ENCL_DEV_PRESENT_MASK) >> 4);
|
|
|
|
if (encl_handle)
|
|
enclosure_dev = mpi3mr_enclosure_find_by_handle(mrioc,
|
|
encl_handle);
|
|
if (!enclosure_dev && present) {
|
|
enclosure_dev =
|
|
kzalloc(sizeof(struct mpi3mr_enclosure_node),
|
|
GFP_KERNEL);
|
|
if (!enclosure_dev)
|
|
return;
|
|
list_add_tail(&enclosure_dev->list,
|
|
&mrioc->enclosure_list);
|
|
}
|
|
if (enclosure_dev) {
|
|
if (!present) {
|
|
list_del(&enclosure_dev->list);
|
|
kfree(enclosure_dev);
|
|
} else
|
|
memcpy(&enclosure_dev->pg0, encl_pg0,
|
|
sizeof(enclosure_dev->pg0));
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_sastopochg_evt_debug - SASTopoChange details
|
|
* @mrioc: Adapter instance reference
|
|
* @event_data: SAS topology change list event data
|
|
*
|
|
* Prints information about the SAS topology change event.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void
|
|
mpi3mr_sastopochg_evt_debug(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_data_sas_topology_change_list *event_data)
|
|
{
|
|
int i;
|
|
u16 handle;
|
|
u8 reason_code, phy_number;
|
|
char *status_str = NULL;
|
|
u8 link_rate, prev_link_rate;
|
|
|
|
switch (event_data->exp_status) {
|
|
case MPI3_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
|
|
status_str = "remove";
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_ES_RESPONDING:
|
|
status_str = "responding";
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
|
|
status_str = "remove delay";
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_ES_NO_EXPANDER:
|
|
status_str = "direct attached";
|
|
break;
|
|
default:
|
|
status_str = "unknown status";
|
|
break;
|
|
}
|
|
ioc_info(mrioc, "%s :sas topology change: (%s)\n",
|
|
__func__, status_str);
|
|
ioc_info(mrioc,
|
|
"%s :\texpander_handle(0x%04x), port(%d), enclosure_handle(0x%04x) start_phy(%02d), num_entries(%d)\n",
|
|
__func__, le16_to_cpu(event_data->expander_dev_handle),
|
|
event_data->io_unit_port,
|
|
le16_to_cpu(event_data->enclosure_handle),
|
|
event_data->start_phy_num, event_data->num_entries);
|
|
for (i = 0; i < event_data->num_entries; i++) {
|
|
handle = le16_to_cpu(event_data->phy_entry[i].attached_dev_handle);
|
|
if (!handle)
|
|
continue;
|
|
phy_number = event_data->start_phy_num + i;
|
|
reason_code = event_data->phy_entry[i].status &
|
|
MPI3_EVENT_SAS_TOPO_PHY_RC_MASK;
|
|
switch (reason_code) {
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_TARG_NOT_RESPONDING:
|
|
status_str = "target remove";
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_DELAY_NOT_RESPONDING:
|
|
status_str = "delay target remove";
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_PHY_CHANGED:
|
|
status_str = "link status change";
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_NO_CHANGE:
|
|
status_str = "link status no change";
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_RESPONDING:
|
|
status_str = "target responding";
|
|
break;
|
|
default:
|
|
status_str = "unknown";
|
|
break;
|
|
}
|
|
link_rate = event_data->phy_entry[i].link_rate >> 4;
|
|
prev_link_rate = event_data->phy_entry[i].link_rate & 0xF;
|
|
ioc_info(mrioc,
|
|
"%s :\tphy(%02d), attached_handle(0x%04x): %s: link rate: new(0x%02x), old(0x%02x)\n",
|
|
__func__, phy_number, handle, status_str, link_rate,
|
|
prev_link_rate);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_sastopochg_evt_bh - SASTopologyChange evt bottomhalf
|
|
* @mrioc: Adapter instance reference
|
|
* @fwevt: Firmware event reference
|
|
*
|
|
* Prints information about the SAS topology change event and
|
|
* for "not responding" event code, removes the device from the
|
|
* upper layers.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_fwevt *fwevt)
|
|
{
|
|
struct mpi3_event_data_sas_topology_change_list *event_data =
|
|
(struct mpi3_event_data_sas_topology_change_list *)fwevt->event_data;
|
|
int i;
|
|
u16 handle;
|
|
u8 reason_code;
|
|
u64 exp_sas_address = 0, parent_sas_address = 0;
|
|
struct mpi3mr_hba_port *hba_port = NULL;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
struct mpi3mr_sas_node *sas_expander = NULL;
|
|
unsigned long flags;
|
|
u8 link_rate, prev_link_rate, parent_phy_number;
|
|
|
|
mpi3mr_sastopochg_evt_debug(mrioc, event_data);
|
|
if (mrioc->sas_transport_enabled) {
|
|
hba_port = mpi3mr_get_hba_port_by_id(mrioc,
|
|
event_data->io_unit_port);
|
|
if (le16_to_cpu(event_data->expander_dev_handle)) {
|
|
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
|
|
sas_expander = __mpi3mr_expander_find_by_handle(mrioc,
|
|
le16_to_cpu(event_data->expander_dev_handle));
|
|
if (sas_expander) {
|
|
exp_sas_address = sas_expander->sas_address;
|
|
hba_port = sas_expander->hba_port;
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
|
|
parent_sas_address = exp_sas_address;
|
|
} else
|
|
parent_sas_address = mrioc->sas_hba.sas_address;
|
|
}
|
|
|
|
for (i = 0; i < event_data->num_entries; i++) {
|
|
if (fwevt->discard)
|
|
return;
|
|
handle = le16_to_cpu(event_data->phy_entry[i].attached_dev_handle);
|
|
if (!handle)
|
|
continue;
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, handle);
|
|
if (!tgtdev)
|
|
continue;
|
|
|
|
reason_code = event_data->phy_entry[i].status &
|
|
MPI3_EVENT_SAS_TOPO_PHY_RC_MASK;
|
|
|
|
switch (reason_code) {
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_TARG_NOT_RESPONDING:
|
|
if (tgtdev->host_exposed)
|
|
mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev);
|
|
mpi3mr_tgtdev_del_from_list(mrioc, tgtdev, false);
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_RESPONDING:
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_PHY_CHANGED:
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_NO_CHANGE:
|
|
{
|
|
if (!mrioc->sas_transport_enabled || tgtdev->non_stl
|
|
|| tgtdev->is_hidden)
|
|
break;
|
|
link_rate = event_data->phy_entry[i].link_rate >> 4;
|
|
prev_link_rate = event_data->phy_entry[i].link_rate & 0xF;
|
|
if (link_rate == prev_link_rate)
|
|
break;
|
|
if (!parent_sas_address)
|
|
break;
|
|
parent_phy_number = event_data->start_phy_num + i;
|
|
mpi3mr_update_links(mrioc, parent_sas_address, handle,
|
|
parent_phy_number, link_rate, hba_port);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
|
|
if (mrioc->sas_transport_enabled && (event_data->exp_status ==
|
|
MPI3_EVENT_SAS_TOPO_ES_NOT_RESPONDING)) {
|
|
if (sas_expander)
|
|
mpi3mr_expander_remove(mrioc, exp_sas_address,
|
|
hba_port);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_pcietopochg_evt_debug - PCIeTopoChange details
|
|
* @mrioc: Adapter instance reference
|
|
* @event_data: PCIe topology change list event data
|
|
*
|
|
* Prints information about the PCIe topology change event.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void
|
|
mpi3mr_pcietopochg_evt_debug(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_data_pcie_topology_change_list *event_data)
|
|
{
|
|
int i;
|
|
u16 handle;
|
|
u16 reason_code;
|
|
u8 port_number;
|
|
char *status_str = NULL;
|
|
u8 link_rate, prev_link_rate;
|
|
|
|
switch (event_data->switch_status) {
|
|
case MPI3_EVENT_PCIE_TOPO_SS_NOT_RESPONDING:
|
|
status_str = "remove";
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_SS_RESPONDING:
|
|
status_str = "responding";
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING:
|
|
status_str = "remove delay";
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_SS_NO_PCIE_SWITCH:
|
|
status_str = "direct attached";
|
|
break;
|
|
default:
|
|
status_str = "unknown status";
|
|
break;
|
|
}
|
|
ioc_info(mrioc, "%s :pcie topology change: (%s)\n",
|
|
__func__, status_str);
|
|
ioc_info(mrioc,
|
|
"%s :\tswitch_handle(0x%04x), enclosure_handle(0x%04x) start_port(%02d), num_entries(%d)\n",
|
|
__func__, le16_to_cpu(event_data->switch_dev_handle),
|
|
le16_to_cpu(event_data->enclosure_handle),
|
|
event_data->start_port_num, event_data->num_entries);
|
|
for (i = 0; i < event_data->num_entries; i++) {
|
|
handle =
|
|
le16_to_cpu(event_data->port_entry[i].attached_dev_handle);
|
|
if (!handle)
|
|
continue;
|
|
port_number = event_data->start_port_num + i;
|
|
reason_code = event_data->port_entry[i].port_status;
|
|
switch (reason_code) {
|
|
case MPI3_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
|
|
status_str = "target remove";
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
|
|
status_str = "delay target remove";
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
|
|
status_str = "link status change";
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_PS_NO_CHANGE:
|
|
status_str = "link status no change";
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_PS_RESPONDING:
|
|
status_str = "target responding";
|
|
break;
|
|
default:
|
|
status_str = "unknown";
|
|
break;
|
|
}
|
|
link_rate = event_data->port_entry[i].current_port_info &
|
|
MPI3_EVENT_PCIE_TOPO_PI_RATE_MASK;
|
|
prev_link_rate = event_data->port_entry[i].previous_port_info &
|
|
MPI3_EVENT_PCIE_TOPO_PI_RATE_MASK;
|
|
ioc_info(mrioc,
|
|
"%s :\tport(%02d), attached_handle(0x%04x): %s: link rate: new(0x%02x), old(0x%02x)\n",
|
|
__func__, port_number, handle, status_str, link_rate,
|
|
prev_link_rate);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_pcietopochg_evt_bh - PCIeTopologyChange evt bottomhalf
|
|
* @mrioc: Adapter instance reference
|
|
* @fwevt: Firmware event reference
|
|
*
|
|
* Prints information about the PCIe topology change event and
|
|
* for "not responding" event code, removes the device from the
|
|
* upper layers.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_pcietopochg_evt_bh(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_fwevt *fwevt)
|
|
{
|
|
struct mpi3_event_data_pcie_topology_change_list *event_data =
|
|
(struct mpi3_event_data_pcie_topology_change_list *)fwevt->event_data;
|
|
int i;
|
|
u16 handle;
|
|
u8 reason_code;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
|
|
mpi3mr_pcietopochg_evt_debug(mrioc, event_data);
|
|
|
|
for (i = 0; i < event_data->num_entries; i++) {
|
|
if (fwevt->discard)
|
|
return;
|
|
handle =
|
|
le16_to_cpu(event_data->port_entry[i].attached_dev_handle);
|
|
if (!handle)
|
|
continue;
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, handle);
|
|
if (!tgtdev)
|
|
continue;
|
|
|
|
reason_code = event_data->port_entry[i].port_status;
|
|
|
|
switch (reason_code) {
|
|
case MPI3_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
|
|
if (tgtdev->host_exposed)
|
|
mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev);
|
|
mpi3mr_tgtdev_del_from_list(mrioc, tgtdev, false);
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_logdata_evt_bh - Log data event bottomhalf
|
|
* @mrioc: Adapter instance reference
|
|
* @fwevt: Firmware event reference
|
|
*
|
|
* Extracts the event data and calls application interfacing
|
|
* function to process the event further.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_logdata_evt_bh(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_fwevt *fwevt)
|
|
{
|
|
mpi3mr_app_save_logdata(mrioc, fwevt->event_data,
|
|
fwevt->event_data_size);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_update_sdev_qd - Update SCSI device queue depath
|
|
* @sdev: SCSI device reference
|
|
* @data: Queue depth reference
|
|
*
|
|
* This is an iterator function called for each SCSI device in a
|
|
* target to update the QD of each SCSI device.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_update_sdev_qd(struct scsi_device *sdev, void *data)
|
|
{
|
|
u16 *q_depth = (u16 *)data;
|
|
|
|
scsi_change_queue_depth(sdev, (int)*q_depth);
|
|
sdev->max_queue_depth = sdev->queue_depth;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_set_qd_for_all_vd_in_tg -set QD for TG VDs
|
|
* @mrioc: Adapter instance reference
|
|
* @tg: Throttle group information pointer
|
|
*
|
|
* Accessor to reduce QD for each device associated with the
|
|
* given throttle group.
|
|
*
|
|
* Return: None.
|
|
*/
|
|
static void mpi3mr_set_qd_for_all_vd_in_tg(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_throttle_group_info *tg)
|
|
{
|
|
unsigned long flags;
|
|
struct mpi3mr_tgt_dev *tgtdev;
|
|
struct mpi3mr_stgt_priv_data *tgt_priv;
|
|
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list) {
|
|
if (tgtdev->starget && tgtdev->starget->hostdata) {
|
|
tgt_priv = tgtdev->starget->hostdata;
|
|
if (tgt_priv->throttle_group == tg) {
|
|
dprint_event_bh(mrioc,
|
|
"updating qd due to throttling for persist_id(%d) original_qd(%d), reduced_qd (%d)\n",
|
|
tgt_priv->perst_id, tgtdev->q_depth,
|
|
tg->modified_qd);
|
|
starget_for_each_device(tgtdev->starget,
|
|
(void *)&tg->modified_qd,
|
|
mpi3mr_update_sdev_qd);
|
|
}
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_fwevt_bh - Firmware event bottomhalf handler
|
|
* @mrioc: Adapter instance reference
|
|
* @fwevt: Firmware event reference
|
|
*
|
|
* Identifies the firmware event and calls corresponding bottomg
|
|
* half handler and sends event acknowledgment if required.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_fwevt *fwevt)
|
|
{
|
|
struct mpi3_device_page0 *dev_pg0 = NULL;
|
|
u16 perst_id, handle, dev_info;
|
|
struct mpi3_device0_sas_sata_format *sasinf = NULL;
|
|
|
|
mpi3mr_fwevt_del_from_list(mrioc, fwevt);
|
|
mrioc->current_event = fwevt;
|
|
|
|
if (mrioc->stop_drv_processing)
|
|
goto out;
|
|
|
|
if (mrioc->unrecoverable) {
|
|
dprint_event_bh(mrioc,
|
|
"ignoring event(0x%02x) in bottom half handler due to unrecoverable controller\n",
|
|
fwevt->event_id);
|
|
goto out;
|
|
}
|
|
|
|
if (!fwevt->process_evt)
|
|
goto evt_ack;
|
|
|
|
switch (fwevt->event_id) {
|
|
case MPI3_EVENT_DEVICE_ADDED:
|
|
{
|
|
dev_pg0 = (struct mpi3_device_page0 *)fwevt->event_data;
|
|
perst_id = le16_to_cpu(dev_pg0->persistent_id);
|
|
handle = le16_to_cpu(dev_pg0->dev_handle);
|
|
if (perst_id != MPI3_DEVICE0_PERSISTENTID_INVALID)
|
|
mpi3mr_report_tgtdev_to_host(mrioc, perst_id);
|
|
else if (mrioc->sas_transport_enabled &&
|
|
(dev_pg0->device_form == MPI3_DEVICE_DEVFORM_SAS_SATA)) {
|
|
sasinf = &dev_pg0->device_specific.sas_sata_format;
|
|
dev_info = le16_to_cpu(sasinf->device_info);
|
|
if (!mrioc->sas_hba.num_phys)
|
|
mpi3mr_sas_host_add(mrioc);
|
|
else
|
|
mpi3mr_sas_host_refresh(mrioc);
|
|
|
|
if (mpi3mr_is_expander_device(dev_info))
|
|
mpi3mr_expander_add(mrioc, handle);
|
|
}
|
|
break;
|
|
}
|
|
case MPI3_EVENT_DEVICE_INFO_CHANGED:
|
|
{
|
|
dev_pg0 = (struct mpi3_device_page0 *)fwevt->event_data;
|
|
perst_id = le16_to_cpu(dev_pg0->persistent_id);
|
|
if (perst_id != MPI3_DEVICE0_PERSISTENTID_INVALID)
|
|
mpi3mr_devinfochg_evt_bh(mrioc, dev_pg0);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_DEVICE_STATUS_CHANGE:
|
|
{
|
|
mpi3mr_devstatuschg_evt_bh(mrioc, fwevt);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_ENCL_DEVICE_ADDED:
|
|
case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE:
|
|
{
|
|
mpi3mr_encldev_add_chg_evt_bh(mrioc, fwevt);
|
|
break;
|
|
}
|
|
|
|
case MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
|
|
{
|
|
mpi3mr_sastopochg_evt_bh(mrioc, fwevt);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
|
|
{
|
|
mpi3mr_pcietopochg_evt_bh(mrioc, fwevt);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_LOG_DATA:
|
|
{
|
|
mpi3mr_logdata_evt_bh(mrioc, fwevt);
|
|
break;
|
|
}
|
|
case MPI3MR_DRIVER_EVENT_TG_QD_REDUCTION:
|
|
{
|
|
struct mpi3mr_throttle_group_info *tg;
|
|
|
|
tg = *(struct mpi3mr_throttle_group_info **)fwevt->event_data;
|
|
dprint_event_bh(mrioc,
|
|
"qd reduction event processed for tg_id(%d) reduction_needed(%d)\n",
|
|
tg->id, tg->need_qd_reduction);
|
|
if (tg->need_qd_reduction) {
|
|
mpi3mr_set_qd_for_all_vd_in_tg(mrioc, tg);
|
|
tg->need_qd_reduction = 0;
|
|
}
|
|
break;
|
|
}
|
|
case MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH:
|
|
{
|
|
while (mrioc->device_refresh_on)
|
|
msleep(500);
|
|
|
|
dprint_event_bh(mrioc,
|
|
"scan for non responding and newly added devices after soft reset started\n");
|
|
if (mrioc->sas_transport_enabled) {
|
|
mpi3mr_refresh_sas_ports(mrioc);
|
|
mpi3mr_refresh_expanders(mrioc);
|
|
}
|
|
mpi3mr_rfresh_tgtdevs(mrioc);
|
|
ioc_info(mrioc,
|
|
"scan for non responding and newly added devices after soft reset completed\n");
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
evt_ack:
|
|
if (fwevt->send_ack)
|
|
mpi3mr_process_event_ack(mrioc, fwevt->event_id,
|
|
fwevt->evt_ctx);
|
|
out:
|
|
/* Put fwevt reference count to neutralize kref_init increment */
|
|
mpi3mr_fwevt_put(fwevt);
|
|
mrioc->current_event = NULL;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_fwevt_worker - Firmware event worker
|
|
* @work: Work struct containing firmware event
|
|
*
|
|
* Extracts the firmware event and calls mpi3mr_fwevt_bh.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_fwevt_worker(struct work_struct *work)
|
|
{
|
|
struct mpi3mr_fwevt *fwevt = container_of(work, struct mpi3mr_fwevt,
|
|
work);
|
|
mpi3mr_fwevt_bh(fwevt->mrioc, fwevt);
|
|
/*
|
|
* Put fwevt reference count after
|
|
* dequeuing it from worker queue
|
|
*/
|
|
mpi3mr_fwevt_put(fwevt);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_create_tgtdev - Create and add a target device
|
|
* @mrioc: Adapter instance reference
|
|
* @dev_pg0: Device Page 0 data
|
|
*
|
|
* If the device specified by the device page 0 data is not
|
|
* present in the driver's internal list, allocate the memory
|
|
* for the device, populate the data and add to the list, else
|
|
* update the device data. The key is persistent ID.
|
|
*
|
|
* Return: 0 on success, -ENOMEM on memory allocation failure
|
|
*/
|
|
static int mpi3mr_create_tgtdev(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_device_page0 *dev_pg0)
|
|
{
|
|
int retval = 0;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
u16 perst_id = 0;
|
|
unsigned long flags;
|
|
|
|
perst_id = le16_to_cpu(dev_pg0->persistent_id);
|
|
if (perst_id == MPI3_DEVICE0_PERSISTENTID_INVALID)
|
|
return retval;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
tgtdev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, perst_id);
|
|
if (tgtdev)
|
|
tgtdev->state = MPI3MR_DEV_CREATED;
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
|
|
if (tgtdev) {
|
|
mpi3mr_update_tgtdev(mrioc, tgtdev, dev_pg0, true);
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
} else {
|
|
tgtdev = mpi3mr_alloc_tgtdev();
|
|
if (!tgtdev)
|
|
return -ENOMEM;
|
|
mpi3mr_update_tgtdev(mrioc, tgtdev, dev_pg0, true);
|
|
mpi3mr_tgtdev_add_to_list(mrioc, tgtdev);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_flush_delayed_cmd_lists - Flush pending commands
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Flush pending commands in the delayed lists due to a
|
|
* controller reset or driver removal as a cleanup.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
void mpi3mr_flush_delayed_cmd_lists(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct delayed_dev_rmhs_node *_rmhs_node;
|
|
struct delayed_evt_ack_node *_evtack_node;
|
|
|
|
dprint_reset(mrioc, "flushing delayed dev_remove_hs commands\n");
|
|
while (!list_empty(&mrioc->delayed_rmhs_list)) {
|
|
_rmhs_node = list_entry(mrioc->delayed_rmhs_list.next,
|
|
struct delayed_dev_rmhs_node, list);
|
|
list_del(&_rmhs_node->list);
|
|
kfree(_rmhs_node);
|
|
}
|
|
dprint_reset(mrioc, "flushing delayed event ack commands\n");
|
|
while (!list_empty(&mrioc->delayed_evtack_cmds_list)) {
|
|
_evtack_node = list_entry(mrioc->delayed_evtack_cmds_list.next,
|
|
struct delayed_evt_ack_node, list);
|
|
list_del(&_evtack_node->list);
|
|
kfree(_evtack_node);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_dev_rmhs_complete_iou - Device removal IOUC completion
|
|
* @mrioc: Adapter instance reference
|
|
* @drv_cmd: Internal command tracker
|
|
*
|
|
* Issues a target reset TM to the firmware from the device
|
|
* removal TM pend list or retry the removal handshake sequence
|
|
* based on the IOU control request IOC status.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_dev_rmhs_complete_iou(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_drv_cmd *drv_cmd)
|
|
{
|
|
u16 cmd_idx = drv_cmd->host_tag - MPI3MR_HOSTTAG_DEVRMCMD_MIN;
|
|
struct delayed_dev_rmhs_node *delayed_dev_rmhs = NULL;
|
|
|
|
if (drv_cmd->state & MPI3MR_CMD_RESET)
|
|
goto clear_drv_cmd;
|
|
|
|
ioc_info(mrioc,
|
|
"%s :dev_rmhs_iouctrl_complete:handle(0x%04x), ioc_status(0x%04x), loginfo(0x%08x)\n",
|
|
__func__, drv_cmd->dev_handle, drv_cmd->ioc_status,
|
|
drv_cmd->ioc_loginfo);
|
|
if (drv_cmd->ioc_status != MPI3_IOCSTATUS_SUCCESS) {
|
|
if (drv_cmd->retry_count < MPI3MR_DEV_RMHS_RETRY_COUNT) {
|
|
drv_cmd->retry_count++;
|
|
ioc_info(mrioc,
|
|
"%s :dev_rmhs_iouctrl_complete: handle(0x%04x)retrying handshake retry=%d\n",
|
|
__func__, drv_cmd->dev_handle,
|
|
drv_cmd->retry_count);
|
|
mpi3mr_dev_rmhs_send_tm(mrioc, drv_cmd->dev_handle,
|
|
drv_cmd, drv_cmd->iou_rc);
|
|
return;
|
|
}
|
|
ioc_err(mrioc,
|
|
"%s :dev removal handshake failed after all retries: handle(0x%04x)\n",
|
|
__func__, drv_cmd->dev_handle);
|
|
} else {
|
|
ioc_info(mrioc,
|
|
"%s :dev removal handshake completed successfully: handle(0x%04x)\n",
|
|
__func__, drv_cmd->dev_handle);
|
|
clear_bit(drv_cmd->dev_handle, mrioc->removepend_bitmap);
|
|
}
|
|
|
|
if (!list_empty(&mrioc->delayed_rmhs_list)) {
|
|
delayed_dev_rmhs = list_entry(mrioc->delayed_rmhs_list.next,
|
|
struct delayed_dev_rmhs_node, list);
|
|
drv_cmd->dev_handle = delayed_dev_rmhs->handle;
|
|
drv_cmd->retry_count = 0;
|
|
drv_cmd->iou_rc = delayed_dev_rmhs->iou_rc;
|
|
ioc_info(mrioc,
|
|
"%s :dev_rmhs_iouctrl_complete: processing delayed TM: handle(0x%04x)\n",
|
|
__func__, drv_cmd->dev_handle);
|
|
mpi3mr_dev_rmhs_send_tm(mrioc, drv_cmd->dev_handle, drv_cmd,
|
|
drv_cmd->iou_rc);
|
|
list_del(&delayed_dev_rmhs->list);
|
|
kfree(delayed_dev_rmhs);
|
|
return;
|
|
}
|
|
|
|
clear_drv_cmd:
|
|
drv_cmd->state = MPI3MR_CMD_NOTUSED;
|
|
drv_cmd->callback = NULL;
|
|
drv_cmd->retry_count = 0;
|
|
drv_cmd->dev_handle = MPI3MR_INVALID_DEV_HANDLE;
|
|
clear_bit(cmd_idx, mrioc->devrem_bitmap);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_dev_rmhs_complete_tm - Device removal TM completion
|
|
* @mrioc: Adapter instance reference
|
|
* @drv_cmd: Internal command tracker
|
|
*
|
|
* Issues a target reset TM to the firmware from the device
|
|
* removal TM pend list or issue IO unit control request as
|
|
* part of device removal or hidden acknowledgment handshake.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_dev_rmhs_complete_tm(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_drv_cmd *drv_cmd)
|
|
{
|
|
struct mpi3_iounit_control_request iou_ctrl;
|
|
u16 cmd_idx = drv_cmd->host_tag - MPI3MR_HOSTTAG_DEVRMCMD_MIN;
|
|
struct mpi3_scsi_task_mgmt_reply *tm_reply = NULL;
|
|
int retval;
|
|
|
|
if (drv_cmd->state & MPI3MR_CMD_RESET)
|
|
goto clear_drv_cmd;
|
|
|
|
if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID)
|
|
tm_reply = (struct mpi3_scsi_task_mgmt_reply *)drv_cmd->reply;
|
|
|
|
if (tm_reply)
|
|
pr_info(IOCNAME
|
|
"dev_rmhs_tr_complete:handle(0x%04x), ioc_status(0x%04x), loginfo(0x%08x), term_count(%d)\n",
|
|
mrioc->name, drv_cmd->dev_handle, drv_cmd->ioc_status,
|
|
drv_cmd->ioc_loginfo,
|
|
le32_to_cpu(tm_reply->termination_count));
|
|
|
|
pr_info(IOCNAME "Issuing IOU CTL: handle(0x%04x) dev_rmhs idx(%d)\n",
|
|
mrioc->name, drv_cmd->dev_handle, cmd_idx);
|
|
|
|
memset(&iou_ctrl, 0, sizeof(iou_ctrl));
|
|
|
|
drv_cmd->state = MPI3MR_CMD_PENDING;
|
|
drv_cmd->is_waiting = 0;
|
|
drv_cmd->callback = mpi3mr_dev_rmhs_complete_iou;
|
|
iou_ctrl.operation = drv_cmd->iou_rc;
|
|
iou_ctrl.param16[0] = cpu_to_le16(drv_cmd->dev_handle);
|
|
iou_ctrl.host_tag = cpu_to_le16(drv_cmd->host_tag);
|
|
iou_ctrl.function = MPI3_FUNCTION_IO_UNIT_CONTROL;
|
|
|
|
retval = mpi3mr_admin_request_post(mrioc, &iou_ctrl, sizeof(iou_ctrl),
|
|
1);
|
|
if (retval) {
|
|
pr_err(IOCNAME "Issue DevRmHsTMIOUCTL: Admin post failed\n",
|
|
mrioc->name);
|
|
goto clear_drv_cmd;
|
|
}
|
|
|
|
return;
|
|
clear_drv_cmd:
|
|
drv_cmd->state = MPI3MR_CMD_NOTUSED;
|
|
drv_cmd->callback = NULL;
|
|
drv_cmd->dev_handle = MPI3MR_INVALID_DEV_HANDLE;
|
|
drv_cmd->retry_count = 0;
|
|
clear_bit(cmd_idx, mrioc->devrem_bitmap);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_dev_rmhs_send_tm - Issue TM for device removal
|
|
* @mrioc: Adapter instance reference
|
|
* @handle: Device handle
|
|
* @cmdparam: Internal command tracker
|
|
* @iou_rc: IO unit reason code
|
|
*
|
|
* Issues a target reset TM to the firmware or add it to a pend
|
|
* list as part of device removal or hidden acknowledgment
|
|
* handshake.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_dev_rmhs_send_tm(struct mpi3mr_ioc *mrioc, u16 handle,
|
|
struct mpi3mr_drv_cmd *cmdparam, u8 iou_rc)
|
|
{
|
|
struct mpi3_scsi_task_mgmt_request tm_req;
|
|
int retval = 0;
|
|
u16 cmd_idx = MPI3MR_NUM_DEVRMCMD;
|
|
u8 retrycount = 5;
|
|
struct mpi3mr_drv_cmd *drv_cmd = cmdparam;
|
|
struct delayed_dev_rmhs_node *delayed_dev_rmhs = NULL;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
tgtdev = __mpi3mr_get_tgtdev_by_handle(mrioc, handle);
|
|
if (tgtdev && (iou_rc == MPI3_CTRL_OP_REMOVE_DEVICE))
|
|
tgtdev->state = MPI3MR_DEV_REMOVE_HS_STARTED;
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
|
|
if (drv_cmd)
|
|
goto issue_cmd;
|
|
do {
|
|
cmd_idx = find_first_zero_bit(mrioc->devrem_bitmap,
|
|
MPI3MR_NUM_DEVRMCMD);
|
|
if (cmd_idx < MPI3MR_NUM_DEVRMCMD) {
|
|
if (!test_and_set_bit(cmd_idx, mrioc->devrem_bitmap))
|
|
break;
|
|
cmd_idx = MPI3MR_NUM_DEVRMCMD;
|
|
}
|
|
} while (retrycount--);
|
|
|
|
if (cmd_idx >= MPI3MR_NUM_DEVRMCMD) {
|
|
delayed_dev_rmhs = kzalloc(sizeof(*delayed_dev_rmhs),
|
|
GFP_ATOMIC);
|
|
if (!delayed_dev_rmhs)
|
|
return;
|
|
INIT_LIST_HEAD(&delayed_dev_rmhs->list);
|
|
delayed_dev_rmhs->handle = handle;
|
|
delayed_dev_rmhs->iou_rc = iou_rc;
|
|
list_add_tail(&delayed_dev_rmhs->list,
|
|
&mrioc->delayed_rmhs_list);
|
|
ioc_info(mrioc, "%s :DevRmHs: tr:handle(0x%04x) is postponed\n",
|
|
__func__, handle);
|
|
return;
|
|
}
|
|
drv_cmd = &mrioc->dev_rmhs_cmds[cmd_idx];
|
|
|
|
issue_cmd:
|
|
cmd_idx = drv_cmd->host_tag - MPI3MR_HOSTTAG_DEVRMCMD_MIN;
|
|
ioc_info(mrioc,
|
|
"%s :Issuing TR TM: for devhandle 0x%04x with dev_rmhs %d\n",
|
|
__func__, handle, cmd_idx);
|
|
|
|
memset(&tm_req, 0, sizeof(tm_req));
|
|
if (drv_cmd->state & MPI3MR_CMD_PENDING) {
|
|
ioc_err(mrioc, "%s :Issue TM: Command is in use\n", __func__);
|
|
goto out;
|
|
}
|
|
drv_cmd->state = MPI3MR_CMD_PENDING;
|
|
drv_cmd->is_waiting = 0;
|
|
drv_cmd->callback = mpi3mr_dev_rmhs_complete_tm;
|
|
drv_cmd->dev_handle = handle;
|
|
drv_cmd->iou_rc = iou_rc;
|
|
tm_req.dev_handle = cpu_to_le16(handle);
|
|
tm_req.task_type = MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
|
|
tm_req.host_tag = cpu_to_le16(drv_cmd->host_tag);
|
|
tm_req.task_host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INVALID);
|
|
tm_req.function = MPI3_FUNCTION_SCSI_TASK_MGMT;
|
|
|
|
set_bit(handle, mrioc->removepend_bitmap);
|
|
retval = mpi3mr_admin_request_post(mrioc, &tm_req, sizeof(tm_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "%s :Issue DevRmHsTM: Admin Post failed\n",
|
|
__func__);
|
|
goto out_failed;
|
|
}
|
|
out:
|
|
return;
|
|
out_failed:
|
|
drv_cmd->state = MPI3MR_CMD_NOTUSED;
|
|
drv_cmd->callback = NULL;
|
|
drv_cmd->dev_handle = MPI3MR_INVALID_DEV_HANDLE;
|
|
drv_cmd->retry_count = 0;
|
|
clear_bit(cmd_idx, mrioc->devrem_bitmap);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_complete_evt_ack - event ack request completion
|
|
* @mrioc: Adapter instance reference
|
|
* @drv_cmd: Internal command tracker
|
|
*
|
|
* This is the completion handler for non blocking event
|
|
* acknowledgment sent to the firmware and this will issue any
|
|
* pending event acknowledgment request.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_complete_evt_ack(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3mr_drv_cmd *drv_cmd)
|
|
{
|
|
u16 cmd_idx = drv_cmd->host_tag - MPI3MR_HOSTTAG_EVTACKCMD_MIN;
|
|
struct delayed_evt_ack_node *delayed_evtack = NULL;
|
|
|
|
if (drv_cmd->state & MPI3MR_CMD_RESET)
|
|
goto clear_drv_cmd;
|
|
|
|
if (drv_cmd->ioc_status != MPI3_IOCSTATUS_SUCCESS) {
|
|
dprint_event_th(mrioc,
|
|
"immediate event ack failed with ioc_status(0x%04x) log_info(0x%08x)\n",
|
|
(drv_cmd->ioc_status & MPI3_IOCSTATUS_STATUS_MASK),
|
|
drv_cmd->ioc_loginfo);
|
|
}
|
|
|
|
if (!list_empty(&mrioc->delayed_evtack_cmds_list)) {
|
|
delayed_evtack =
|
|
list_entry(mrioc->delayed_evtack_cmds_list.next,
|
|
struct delayed_evt_ack_node, list);
|
|
mpi3mr_send_event_ack(mrioc, delayed_evtack->event, drv_cmd,
|
|
delayed_evtack->event_ctx);
|
|
list_del(&delayed_evtack->list);
|
|
kfree(delayed_evtack);
|
|
return;
|
|
}
|
|
clear_drv_cmd:
|
|
drv_cmd->state = MPI3MR_CMD_NOTUSED;
|
|
drv_cmd->callback = NULL;
|
|
clear_bit(cmd_idx, mrioc->evtack_cmds_bitmap);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_send_event_ack - Issue event acknwoledgment request
|
|
* @mrioc: Adapter instance reference
|
|
* @event: MPI3 event id
|
|
* @cmdparam: Internal command tracker
|
|
* @event_ctx: event context
|
|
*
|
|
* Issues event acknowledgment request to the firmware if there
|
|
* is a free command to send the event ack else it to a pend
|
|
* list so that it will be processed on a completion of a prior
|
|
* event acknowledgment .
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_send_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
|
|
struct mpi3mr_drv_cmd *cmdparam, u32 event_ctx)
|
|
{
|
|
struct mpi3_event_ack_request evtack_req;
|
|
int retval = 0;
|
|
u8 retrycount = 5;
|
|
u16 cmd_idx = MPI3MR_NUM_EVTACKCMD;
|
|
struct mpi3mr_drv_cmd *drv_cmd = cmdparam;
|
|
struct delayed_evt_ack_node *delayed_evtack = NULL;
|
|
|
|
if (drv_cmd) {
|
|
dprint_event_th(mrioc,
|
|
"sending delayed event ack in the top half for event(0x%02x), event_ctx(0x%08x)\n",
|
|
event, event_ctx);
|
|
goto issue_cmd;
|
|
}
|
|
dprint_event_th(mrioc,
|
|
"sending event ack in the top half for event(0x%02x), event_ctx(0x%08x)\n",
|
|
event, event_ctx);
|
|
do {
|
|
cmd_idx = find_first_zero_bit(mrioc->evtack_cmds_bitmap,
|
|
MPI3MR_NUM_EVTACKCMD);
|
|
if (cmd_idx < MPI3MR_NUM_EVTACKCMD) {
|
|
if (!test_and_set_bit(cmd_idx,
|
|
mrioc->evtack_cmds_bitmap))
|
|
break;
|
|
cmd_idx = MPI3MR_NUM_EVTACKCMD;
|
|
}
|
|
} while (retrycount--);
|
|
|
|
if (cmd_idx >= MPI3MR_NUM_EVTACKCMD) {
|
|
delayed_evtack = kzalloc(sizeof(*delayed_evtack),
|
|
GFP_ATOMIC);
|
|
if (!delayed_evtack)
|
|
return;
|
|
INIT_LIST_HEAD(&delayed_evtack->list);
|
|
delayed_evtack->event = event;
|
|
delayed_evtack->event_ctx = event_ctx;
|
|
list_add_tail(&delayed_evtack->list,
|
|
&mrioc->delayed_evtack_cmds_list);
|
|
dprint_event_th(mrioc,
|
|
"event ack in the top half for event(0x%02x), event_ctx(0x%08x) is postponed\n",
|
|
event, event_ctx);
|
|
return;
|
|
}
|
|
drv_cmd = &mrioc->evtack_cmds[cmd_idx];
|
|
|
|
issue_cmd:
|
|
cmd_idx = drv_cmd->host_tag - MPI3MR_HOSTTAG_EVTACKCMD_MIN;
|
|
|
|
memset(&evtack_req, 0, sizeof(evtack_req));
|
|
if (drv_cmd->state & MPI3MR_CMD_PENDING) {
|
|
dprint_event_th(mrioc,
|
|
"sending event ack failed due to command in use\n");
|
|
goto out;
|
|
}
|
|
drv_cmd->state = MPI3MR_CMD_PENDING;
|
|
drv_cmd->is_waiting = 0;
|
|
drv_cmd->callback = mpi3mr_complete_evt_ack;
|
|
evtack_req.host_tag = cpu_to_le16(drv_cmd->host_tag);
|
|
evtack_req.function = MPI3_FUNCTION_EVENT_ACK;
|
|
evtack_req.event = event;
|
|
evtack_req.event_context = cpu_to_le32(event_ctx);
|
|
retval = mpi3mr_admin_request_post(mrioc, &evtack_req,
|
|
sizeof(evtack_req), 1);
|
|
if (retval) {
|
|
dprint_event_th(mrioc,
|
|
"posting event ack request is failed\n");
|
|
goto out_failed;
|
|
}
|
|
|
|
dprint_event_th(mrioc,
|
|
"event ack in the top half for event(0x%02x), event_ctx(0x%08x) is posted\n",
|
|
event, event_ctx);
|
|
out:
|
|
return;
|
|
out_failed:
|
|
drv_cmd->state = MPI3MR_CMD_NOTUSED;
|
|
drv_cmd->callback = NULL;
|
|
clear_bit(cmd_idx, mrioc->evtack_cmds_bitmap);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_pcietopochg_evt_th - PCIETopologyChange evt tophalf
|
|
* @mrioc: Adapter instance reference
|
|
* @event_reply: event data
|
|
*
|
|
* Checks for the reason code and based on that either block I/O
|
|
* to device, or unblock I/O to the device, or start the device
|
|
* removal handshake with reason as remove with the firmware for
|
|
* PCIe devices.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_pcietopochg_evt_th(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_notification_reply *event_reply)
|
|
{
|
|
struct mpi3_event_data_pcie_topology_change_list *topo_evt =
|
|
(struct mpi3_event_data_pcie_topology_change_list *)event_reply->event_data;
|
|
int i;
|
|
u16 handle;
|
|
u8 reason_code;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data = NULL;
|
|
|
|
for (i = 0; i < topo_evt->num_entries; i++) {
|
|
handle = le16_to_cpu(topo_evt->port_entry[i].attached_dev_handle);
|
|
if (!handle)
|
|
continue;
|
|
reason_code = topo_evt->port_entry[i].port_status;
|
|
scsi_tgt_priv_data = NULL;
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, handle);
|
|
if (tgtdev && tgtdev->starget && tgtdev->starget->hostdata)
|
|
scsi_tgt_priv_data = (struct mpi3mr_stgt_priv_data *)
|
|
tgtdev->starget->hostdata;
|
|
switch (reason_code) {
|
|
case MPI3_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
|
|
if (scsi_tgt_priv_data) {
|
|
scsi_tgt_priv_data->dev_removed = 1;
|
|
scsi_tgt_priv_data->dev_removedelay = 0;
|
|
atomic_set(&scsi_tgt_priv_data->block_io, 0);
|
|
}
|
|
mpi3mr_dev_rmhs_send_tm(mrioc, handle, NULL,
|
|
MPI3_CTRL_OP_REMOVE_DEVICE);
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
|
|
if (scsi_tgt_priv_data) {
|
|
scsi_tgt_priv_data->dev_removedelay = 1;
|
|
atomic_inc(&scsi_tgt_priv_data->block_io);
|
|
}
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_PS_RESPONDING:
|
|
if (scsi_tgt_priv_data &&
|
|
scsi_tgt_priv_data->dev_removedelay) {
|
|
scsi_tgt_priv_data->dev_removedelay = 0;
|
|
atomic_dec_if_positive
|
|
(&scsi_tgt_priv_data->block_io);
|
|
}
|
|
break;
|
|
case MPI3_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
|
|
default:
|
|
break;
|
|
}
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_sastopochg_evt_th - SASTopologyChange evt tophalf
|
|
* @mrioc: Adapter instance reference
|
|
* @event_reply: event data
|
|
*
|
|
* Checks for the reason code and based on that either block I/O
|
|
* to device, or unblock I/O to the device, or start the device
|
|
* removal handshake with reason as remove with the firmware for
|
|
* SAS/SATA devices.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_sastopochg_evt_th(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_notification_reply *event_reply)
|
|
{
|
|
struct mpi3_event_data_sas_topology_change_list *topo_evt =
|
|
(struct mpi3_event_data_sas_topology_change_list *)event_reply->event_data;
|
|
int i;
|
|
u16 handle;
|
|
u8 reason_code;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data = NULL;
|
|
|
|
for (i = 0; i < topo_evt->num_entries; i++) {
|
|
handle = le16_to_cpu(topo_evt->phy_entry[i].attached_dev_handle);
|
|
if (!handle)
|
|
continue;
|
|
reason_code = topo_evt->phy_entry[i].status &
|
|
MPI3_EVENT_SAS_TOPO_PHY_RC_MASK;
|
|
scsi_tgt_priv_data = NULL;
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, handle);
|
|
if (tgtdev && tgtdev->starget && tgtdev->starget->hostdata)
|
|
scsi_tgt_priv_data = (struct mpi3mr_stgt_priv_data *)
|
|
tgtdev->starget->hostdata;
|
|
switch (reason_code) {
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_TARG_NOT_RESPONDING:
|
|
if (scsi_tgt_priv_data) {
|
|
scsi_tgt_priv_data->dev_removed = 1;
|
|
scsi_tgt_priv_data->dev_removedelay = 0;
|
|
atomic_set(&scsi_tgt_priv_data->block_io, 0);
|
|
}
|
|
mpi3mr_dev_rmhs_send_tm(mrioc, handle, NULL,
|
|
MPI3_CTRL_OP_REMOVE_DEVICE);
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_DELAY_NOT_RESPONDING:
|
|
if (scsi_tgt_priv_data) {
|
|
scsi_tgt_priv_data->dev_removedelay = 1;
|
|
atomic_inc(&scsi_tgt_priv_data->block_io);
|
|
}
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_RESPONDING:
|
|
if (scsi_tgt_priv_data &&
|
|
scsi_tgt_priv_data->dev_removedelay) {
|
|
scsi_tgt_priv_data->dev_removedelay = 0;
|
|
atomic_dec_if_positive
|
|
(&scsi_tgt_priv_data->block_io);
|
|
}
|
|
break;
|
|
case MPI3_EVENT_SAS_TOPO_PHY_RC_PHY_CHANGED:
|
|
default:
|
|
break;
|
|
}
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_devstatuschg_evt_th - DeviceStatusChange evt tophalf
|
|
* @mrioc: Adapter instance reference
|
|
* @event_reply: event data
|
|
*
|
|
* Checks for the reason code and based on that either block I/O
|
|
* to device, or unblock I/O to the device, or start the device
|
|
* removal handshake with reason as remove/hide acknowledgment
|
|
* with the firmware.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_devstatuschg_evt_th(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_notification_reply *event_reply)
|
|
{
|
|
u16 dev_handle = 0;
|
|
u8 ublock = 0, block = 0, hide = 0, delete = 0, remove = 0;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data = NULL;
|
|
struct mpi3_event_data_device_status_change *evtdata =
|
|
(struct mpi3_event_data_device_status_change *)event_reply->event_data;
|
|
|
|
if (mrioc->stop_drv_processing)
|
|
goto out;
|
|
|
|
dev_handle = le16_to_cpu(evtdata->dev_handle);
|
|
|
|
switch (evtdata->reason_code) {
|
|
case MPI3_EVENT_DEV_STAT_RC_INT_DEVICE_RESET_STRT:
|
|
case MPI3_EVENT_DEV_STAT_RC_INT_IT_NEXUS_RESET_STRT:
|
|
block = 1;
|
|
break;
|
|
case MPI3_EVENT_DEV_STAT_RC_HIDDEN:
|
|
delete = 1;
|
|
hide = 1;
|
|
break;
|
|
case MPI3_EVENT_DEV_STAT_RC_VD_NOT_RESPONDING:
|
|
delete = 1;
|
|
remove = 1;
|
|
break;
|
|
case MPI3_EVENT_DEV_STAT_RC_INT_DEVICE_RESET_CMP:
|
|
case MPI3_EVENT_DEV_STAT_RC_INT_IT_NEXUS_RESET_CMP:
|
|
ublock = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, dev_handle);
|
|
if (!tgtdev)
|
|
goto out;
|
|
if (hide)
|
|
tgtdev->is_hidden = hide;
|
|
if (tgtdev->starget && tgtdev->starget->hostdata) {
|
|
scsi_tgt_priv_data = (struct mpi3mr_stgt_priv_data *)
|
|
tgtdev->starget->hostdata;
|
|
if (block)
|
|
atomic_inc(&scsi_tgt_priv_data->block_io);
|
|
if (delete)
|
|
scsi_tgt_priv_data->dev_removed = 1;
|
|
if (ublock)
|
|
atomic_dec_if_positive(&scsi_tgt_priv_data->block_io);
|
|
}
|
|
if (remove)
|
|
mpi3mr_dev_rmhs_send_tm(mrioc, dev_handle, NULL,
|
|
MPI3_CTRL_OP_REMOVE_DEVICE);
|
|
if (hide)
|
|
mpi3mr_dev_rmhs_send_tm(mrioc, dev_handle, NULL,
|
|
MPI3_CTRL_OP_HIDDEN_ACK);
|
|
|
|
out:
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_preparereset_evt_th - Prepare for reset event tophalf
|
|
* @mrioc: Adapter instance reference
|
|
* @event_reply: event data
|
|
*
|
|
* Blocks and unblocks host level I/O based on the reason code
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_preparereset_evt_th(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_notification_reply *event_reply)
|
|
{
|
|
struct mpi3_event_data_prepare_for_reset *evtdata =
|
|
(struct mpi3_event_data_prepare_for_reset *)event_reply->event_data;
|
|
|
|
if (evtdata->reason_code == MPI3_EVENT_PREPARE_RESET_RC_START) {
|
|
dprint_event_th(mrioc,
|
|
"prepare for reset event top half with rc=start\n");
|
|
if (mrioc->prepare_for_reset)
|
|
return;
|
|
mrioc->prepare_for_reset = 1;
|
|
mrioc->prepare_for_reset_timeout_counter = 0;
|
|
} else if (evtdata->reason_code == MPI3_EVENT_PREPARE_RESET_RC_ABORT) {
|
|
dprint_event_th(mrioc,
|
|
"prepare for reset top half with rc=abort\n");
|
|
mrioc->prepare_for_reset = 0;
|
|
mrioc->prepare_for_reset_timeout_counter = 0;
|
|
}
|
|
if ((event_reply->msg_flags & MPI3_EVENT_NOTIFY_MSGFLAGS_ACK_MASK)
|
|
== MPI3_EVENT_NOTIFY_MSGFLAGS_ACK_REQUIRED)
|
|
mpi3mr_send_event_ack(mrioc, event_reply->event, NULL,
|
|
le32_to_cpu(event_reply->event_context));
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_energypackchg_evt_th - Energy pack change evt tophalf
|
|
* @mrioc: Adapter instance reference
|
|
* @event_reply: event data
|
|
*
|
|
* Identifies the new shutdown timeout value and update.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_energypackchg_evt_th(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_notification_reply *event_reply)
|
|
{
|
|
struct mpi3_event_data_energy_pack_change *evtdata =
|
|
(struct mpi3_event_data_energy_pack_change *)event_reply->event_data;
|
|
u16 shutdown_timeout = le16_to_cpu(evtdata->shutdown_timeout);
|
|
|
|
if (shutdown_timeout <= 0) {
|
|
ioc_warn(mrioc,
|
|
"%s :Invalid Shutdown Timeout received = %d\n",
|
|
__func__, shutdown_timeout);
|
|
return;
|
|
}
|
|
|
|
ioc_info(mrioc,
|
|
"%s :Previous Shutdown Timeout Value = %d New Shutdown Timeout Value = %d\n",
|
|
__func__, mrioc->facts.shutdown_timeout, shutdown_timeout);
|
|
mrioc->facts.shutdown_timeout = shutdown_timeout;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_cablemgmt_evt_th - Cable management event tophalf
|
|
* @mrioc: Adapter instance reference
|
|
* @event_reply: event data
|
|
*
|
|
* Displays Cable manegemt event details.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_cablemgmt_evt_th(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_notification_reply *event_reply)
|
|
{
|
|
struct mpi3_event_data_cable_management *evtdata =
|
|
(struct mpi3_event_data_cable_management *)event_reply->event_data;
|
|
|
|
switch (evtdata->status) {
|
|
case MPI3_EVENT_CABLE_MGMT_STATUS_INSUFFICIENT_POWER:
|
|
{
|
|
ioc_info(mrioc, "An active cable with receptacle_id %d cannot be powered.\n"
|
|
"Devices connected to this cable are not detected.\n"
|
|
"This cable requires %d mW of power.\n",
|
|
evtdata->receptacle_id,
|
|
le32_to_cpu(evtdata->active_cable_power_requirement));
|
|
break;
|
|
}
|
|
case MPI3_EVENT_CABLE_MGMT_STATUS_DEGRADED:
|
|
{
|
|
ioc_info(mrioc, "A cable with receptacle_id %d is not running at optimal speed\n",
|
|
evtdata->receptacle_id);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_add_event_wait_for_device_refresh - Add Wait for Device Refresh Event
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Add driver specific event to make sure that the driver won't process the
|
|
* events until all the devices are refreshed during soft reset.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
void mpi3mr_add_event_wait_for_device_refresh(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct mpi3mr_fwevt *fwevt = NULL;
|
|
|
|
fwevt = mpi3mr_alloc_fwevt(0);
|
|
if (!fwevt) {
|
|
dprint_event_th(mrioc,
|
|
"failed to schedule bottom half handler for event(0x%02x)\n",
|
|
MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH);
|
|
return;
|
|
}
|
|
fwevt->mrioc = mrioc;
|
|
fwevt->event_id = MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH;
|
|
fwevt->send_ack = 0;
|
|
fwevt->process_evt = 1;
|
|
fwevt->evt_ctx = 0;
|
|
fwevt->event_data_size = 0;
|
|
mpi3mr_fwevt_add_to_list(mrioc, fwevt);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_os_handle_events - Firmware event handler
|
|
* @mrioc: Adapter instance reference
|
|
* @event_reply: event data
|
|
*
|
|
* Identify whteher the event has to handled and acknowledged
|
|
* and either process the event in the tophalf and/or schedule a
|
|
* bottom half through mpi3mr_fwevt_worker.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_event_notification_reply *event_reply)
|
|
{
|
|
u16 evt_type, sz;
|
|
struct mpi3mr_fwevt *fwevt = NULL;
|
|
bool ack_req = 0, process_evt_bh = 0;
|
|
|
|
if (mrioc->stop_drv_processing)
|
|
return;
|
|
|
|
if ((event_reply->msg_flags & MPI3_EVENT_NOTIFY_MSGFLAGS_ACK_MASK)
|
|
== MPI3_EVENT_NOTIFY_MSGFLAGS_ACK_REQUIRED)
|
|
ack_req = 1;
|
|
|
|
evt_type = event_reply->event;
|
|
|
|
switch (evt_type) {
|
|
case MPI3_EVENT_DEVICE_ADDED:
|
|
{
|
|
struct mpi3_device_page0 *dev_pg0 =
|
|
(struct mpi3_device_page0 *)event_reply->event_data;
|
|
if (mpi3mr_create_tgtdev(mrioc, dev_pg0))
|
|
ioc_err(mrioc,
|
|
"%s :Failed to add device in the device add event\n",
|
|
__func__);
|
|
else
|
|
process_evt_bh = 1;
|
|
break;
|
|
}
|
|
case MPI3_EVENT_DEVICE_STATUS_CHANGE:
|
|
{
|
|
process_evt_bh = 1;
|
|
mpi3mr_devstatuschg_evt_th(mrioc, event_reply);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
|
|
{
|
|
process_evt_bh = 1;
|
|
mpi3mr_sastopochg_evt_th(mrioc, event_reply);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
|
|
{
|
|
process_evt_bh = 1;
|
|
mpi3mr_pcietopochg_evt_th(mrioc, event_reply);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_PREPARE_FOR_RESET:
|
|
{
|
|
mpi3mr_preparereset_evt_th(mrioc, event_reply);
|
|
ack_req = 0;
|
|
break;
|
|
}
|
|
case MPI3_EVENT_DEVICE_INFO_CHANGED:
|
|
case MPI3_EVENT_LOG_DATA:
|
|
case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE:
|
|
case MPI3_EVENT_ENCL_DEVICE_ADDED:
|
|
{
|
|
process_evt_bh = 1;
|
|
break;
|
|
}
|
|
case MPI3_EVENT_ENERGY_PACK_CHANGE:
|
|
{
|
|
mpi3mr_energypackchg_evt_th(mrioc, event_reply);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_CABLE_MGMT:
|
|
{
|
|
mpi3mr_cablemgmt_evt_th(mrioc, event_reply);
|
|
break;
|
|
}
|
|
case MPI3_EVENT_SAS_DISCOVERY:
|
|
case MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
|
|
case MPI3_EVENT_SAS_BROADCAST_PRIMITIVE:
|
|
case MPI3_EVENT_PCIE_ENUMERATION:
|
|
break;
|
|
default:
|
|
ioc_info(mrioc, "%s :event 0x%02x is not handled\n",
|
|
__func__, evt_type);
|
|
break;
|
|
}
|
|
if (process_evt_bh || ack_req) {
|
|
sz = event_reply->event_data_length * 4;
|
|
fwevt = mpi3mr_alloc_fwevt(sz);
|
|
if (!fwevt) {
|
|
ioc_info(mrioc, "%s :failure at %s:%d/%s()!\n",
|
|
__func__, __FILE__, __LINE__, __func__);
|
|
return;
|
|
}
|
|
|
|
memcpy(fwevt->event_data, event_reply->event_data, sz);
|
|
fwevt->mrioc = mrioc;
|
|
fwevt->event_id = evt_type;
|
|
fwevt->send_ack = ack_req;
|
|
fwevt->process_evt = process_evt_bh;
|
|
fwevt->evt_ctx = le32_to_cpu(event_reply->event_context);
|
|
mpi3mr_fwevt_add_to_list(mrioc, fwevt);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_setup_eedp - Setup EEDP information in MPI3 SCSI IO
|
|
* @mrioc: Adapter instance reference
|
|
* @scmd: SCSI command reference
|
|
* @scsiio_req: MPI3 SCSI IO request
|
|
*
|
|
* Identifies the protection information flags from the SCSI
|
|
* command and set appropriate flags in the MPI3 SCSI IO
|
|
* request.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_setup_eedp(struct mpi3mr_ioc *mrioc,
|
|
struct scsi_cmnd *scmd, struct mpi3_scsi_io_request *scsiio_req)
|
|
{
|
|
u16 eedp_flags = 0;
|
|
unsigned char prot_op = scsi_get_prot_op(scmd);
|
|
|
|
switch (prot_op) {
|
|
case SCSI_PROT_NORMAL:
|
|
return;
|
|
case SCSI_PROT_READ_STRIP:
|
|
eedp_flags = MPI3_EEDPFLAGS_EEDP_OP_CHECK_REMOVE;
|
|
break;
|
|
case SCSI_PROT_WRITE_INSERT:
|
|
eedp_flags = MPI3_EEDPFLAGS_EEDP_OP_INSERT;
|
|
break;
|
|
case SCSI_PROT_READ_INSERT:
|
|
eedp_flags = MPI3_EEDPFLAGS_EEDP_OP_INSERT;
|
|
scsiio_req->msg_flags |= MPI3_SCSIIO_MSGFLAGS_METASGL_VALID;
|
|
break;
|
|
case SCSI_PROT_WRITE_STRIP:
|
|
eedp_flags = MPI3_EEDPFLAGS_EEDP_OP_CHECK_REMOVE;
|
|
scsiio_req->msg_flags |= MPI3_SCSIIO_MSGFLAGS_METASGL_VALID;
|
|
break;
|
|
case SCSI_PROT_READ_PASS:
|
|
eedp_flags = MPI3_EEDPFLAGS_EEDP_OP_CHECK;
|
|
scsiio_req->msg_flags |= MPI3_SCSIIO_MSGFLAGS_METASGL_VALID;
|
|
break;
|
|
case SCSI_PROT_WRITE_PASS:
|
|
if (scmd->prot_flags & SCSI_PROT_IP_CHECKSUM) {
|
|
eedp_flags = MPI3_EEDPFLAGS_EEDP_OP_CHECK_REGEN;
|
|
scsiio_req->sgl[0].eedp.application_tag_translation_mask =
|
|
0xffff;
|
|
} else
|
|
eedp_flags = MPI3_EEDPFLAGS_EEDP_OP_CHECK;
|
|
|
|
scsiio_req->msg_flags |= MPI3_SCSIIO_MSGFLAGS_METASGL_VALID;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if (scmd->prot_flags & SCSI_PROT_GUARD_CHECK)
|
|
eedp_flags |= MPI3_EEDPFLAGS_CHK_GUARD;
|
|
|
|
if (scmd->prot_flags & SCSI_PROT_IP_CHECKSUM)
|
|
eedp_flags |= MPI3_EEDPFLAGS_HOST_GUARD_IP_CHKSUM;
|
|
|
|
if (scmd->prot_flags & SCSI_PROT_REF_CHECK) {
|
|
eedp_flags |= MPI3_EEDPFLAGS_CHK_REF_TAG |
|
|
MPI3_EEDPFLAGS_INCR_PRI_REF_TAG;
|
|
scsiio_req->cdb.eedp32.primary_reference_tag =
|
|
cpu_to_be32(scsi_prot_ref_tag(scmd));
|
|
}
|
|
|
|
if (scmd->prot_flags & SCSI_PROT_REF_INCREMENT)
|
|
eedp_flags |= MPI3_EEDPFLAGS_INCR_PRI_REF_TAG;
|
|
|
|
eedp_flags |= MPI3_EEDPFLAGS_ESC_MODE_APPTAG_DISABLE;
|
|
|
|
switch (scsi_prot_interval(scmd)) {
|
|
case 512:
|
|
scsiio_req->sgl[0].eedp.user_data_size = MPI3_EEDP_UDS_512;
|
|
break;
|
|
case 520:
|
|
scsiio_req->sgl[0].eedp.user_data_size = MPI3_EEDP_UDS_520;
|
|
break;
|
|
case 4080:
|
|
scsiio_req->sgl[0].eedp.user_data_size = MPI3_EEDP_UDS_4080;
|
|
break;
|
|
case 4088:
|
|
scsiio_req->sgl[0].eedp.user_data_size = MPI3_EEDP_UDS_4088;
|
|
break;
|
|
case 4096:
|
|
scsiio_req->sgl[0].eedp.user_data_size = MPI3_EEDP_UDS_4096;
|
|
break;
|
|
case 4104:
|
|
scsiio_req->sgl[0].eedp.user_data_size = MPI3_EEDP_UDS_4104;
|
|
break;
|
|
case 4160:
|
|
scsiio_req->sgl[0].eedp.user_data_size = MPI3_EEDP_UDS_4160;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
scsiio_req->sgl[0].eedp.eedp_flags = cpu_to_le16(eedp_flags);
|
|
scsiio_req->sgl[0].eedp.flags = MPI3_SGE_FLAGS_ELEMENT_TYPE_EXTENDED;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_build_sense_buffer - Map sense information
|
|
* @desc: Sense type
|
|
* @buf: Sense buffer to populate
|
|
* @key: Sense key
|
|
* @asc: Additional sense code
|
|
* @ascq: Additional sense code qualifier
|
|
*
|
|
* Maps the given sense information into either descriptor or
|
|
* fixed format sense data.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static inline void mpi3mr_build_sense_buffer(int desc, u8 *buf, u8 key,
|
|
u8 asc, u8 ascq)
|
|
{
|
|
if (desc) {
|
|
buf[0] = 0x72; /* descriptor, current */
|
|
buf[1] = key;
|
|
buf[2] = asc;
|
|
buf[3] = ascq;
|
|
buf[7] = 0;
|
|
} else {
|
|
buf[0] = 0x70; /* fixed, current */
|
|
buf[2] = key;
|
|
buf[7] = 0xa;
|
|
buf[12] = asc;
|
|
buf[13] = ascq;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_map_eedp_error - Map EEDP errors from IOC status
|
|
* @scmd: SCSI command reference
|
|
* @ioc_status: status of MPI3 request
|
|
*
|
|
* Maps the EEDP error status of the SCSI IO request to sense
|
|
* data.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_map_eedp_error(struct scsi_cmnd *scmd,
|
|
u16 ioc_status)
|
|
{
|
|
u8 ascq = 0;
|
|
|
|
switch (ioc_status) {
|
|
case MPI3_IOCSTATUS_EEDP_GUARD_ERROR:
|
|
ascq = 0x01;
|
|
break;
|
|
case MPI3_IOCSTATUS_EEDP_APP_TAG_ERROR:
|
|
ascq = 0x02;
|
|
break;
|
|
case MPI3_IOCSTATUS_EEDP_REF_TAG_ERROR:
|
|
ascq = 0x03;
|
|
break;
|
|
default:
|
|
ascq = 0x00;
|
|
break;
|
|
}
|
|
|
|
mpi3mr_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x10, ascq);
|
|
scmd->result = (DID_ABORT << 16) | SAM_STAT_CHECK_CONDITION;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_process_op_reply_desc - reply descriptor handler
|
|
* @mrioc: Adapter instance reference
|
|
* @reply_desc: Operational reply descriptor
|
|
* @reply_dma: place holder for reply DMA address
|
|
* @qidx: Operational queue index
|
|
*
|
|
* Process the operational reply descriptor and identifies the
|
|
* descriptor type. Based on the descriptor map the MPI3 request
|
|
* status to a SCSI command status and calls scsi_done call
|
|
* back.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
|
|
struct mpi3_default_reply_descriptor *reply_desc, u64 *reply_dma, u16 qidx)
|
|
{
|
|
u16 reply_desc_type, host_tag = 0;
|
|
u16 ioc_status = MPI3_IOCSTATUS_SUCCESS;
|
|
u32 ioc_loginfo = 0;
|
|
struct mpi3_status_reply_descriptor *status_desc = NULL;
|
|
struct mpi3_address_reply_descriptor *addr_desc = NULL;
|
|
struct mpi3_success_reply_descriptor *success_desc = NULL;
|
|
struct mpi3_scsi_io_reply *scsi_reply = NULL;
|
|
struct scsi_cmnd *scmd = NULL;
|
|
struct scmd_priv *priv = NULL;
|
|
u8 *sense_buf = NULL;
|
|
u8 scsi_state = 0, scsi_status = 0, sense_state = 0;
|
|
u32 xfer_count = 0, sense_count = 0, resp_data = 0;
|
|
u16 dev_handle = 0xFFFF;
|
|
struct scsi_sense_hdr sshdr;
|
|
struct mpi3mr_stgt_priv_data *stgt_priv_data = NULL;
|
|
struct mpi3mr_sdev_priv_data *sdev_priv_data = NULL;
|
|
u32 ioc_pend_data_len = 0, tg_pend_data_len = 0, data_len_blks = 0;
|
|
struct mpi3mr_throttle_group_info *tg = NULL;
|
|
u8 throttle_enabled_dev = 0;
|
|
|
|
*reply_dma = 0;
|
|
reply_desc_type = le16_to_cpu(reply_desc->reply_flags) &
|
|
MPI3_REPLY_DESCRIPT_FLAGS_TYPE_MASK;
|
|
switch (reply_desc_type) {
|
|
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_STATUS:
|
|
status_desc = (struct mpi3_status_reply_descriptor *)reply_desc;
|
|
host_tag = le16_to_cpu(status_desc->host_tag);
|
|
ioc_status = le16_to_cpu(status_desc->ioc_status);
|
|
if (ioc_status &
|
|
MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL)
|
|
ioc_loginfo = le32_to_cpu(status_desc->ioc_log_info);
|
|
ioc_status &= MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_STATUS_MASK;
|
|
break;
|
|
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_ADDRESS_REPLY:
|
|
addr_desc = (struct mpi3_address_reply_descriptor *)reply_desc;
|
|
*reply_dma = le64_to_cpu(addr_desc->reply_frame_address);
|
|
scsi_reply = mpi3mr_get_reply_virt_addr(mrioc,
|
|
*reply_dma);
|
|
if (!scsi_reply) {
|
|
panic("%s: scsi_reply is NULL, this shouldn't happen\n",
|
|
mrioc->name);
|
|
goto out;
|
|
}
|
|
host_tag = le16_to_cpu(scsi_reply->host_tag);
|
|
ioc_status = le16_to_cpu(scsi_reply->ioc_status);
|
|
scsi_status = scsi_reply->scsi_status;
|
|
scsi_state = scsi_reply->scsi_state;
|
|
dev_handle = le16_to_cpu(scsi_reply->dev_handle);
|
|
sense_state = (scsi_state & MPI3_SCSI_STATE_SENSE_MASK);
|
|
xfer_count = le32_to_cpu(scsi_reply->transfer_count);
|
|
sense_count = le32_to_cpu(scsi_reply->sense_count);
|
|
resp_data = le32_to_cpu(scsi_reply->response_data);
|
|
sense_buf = mpi3mr_get_sensebuf_virt_addr(mrioc,
|
|
le64_to_cpu(scsi_reply->sense_data_buffer_address));
|
|
if (ioc_status &
|
|
MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_LOGINFOAVAIL)
|
|
ioc_loginfo = le32_to_cpu(scsi_reply->ioc_log_info);
|
|
ioc_status &= MPI3_REPLY_DESCRIPT_STATUS_IOCSTATUS_STATUS_MASK;
|
|
if (sense_state == MPI3_SCSI_STATE_SENSE_BUFF_Q_EMPTY)
|
|
panic("%s: Ran out of sense buffers\n", mrioc->name);
|
|
break;
|
|
case MPI3_REPLY_DESCRIPT_FLAGS_TYPE_SUCCESS:
|
|
success_desc = (struct mpi3_success_reply_descriptor *)reply_desc;
|
|
host_tag = le16_to_cpu(success_desc->host_tag);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
scmd = mpi3mr_scmd_from_host_tag(mrioc, host_tag, qidx);
|
|
if (!scmd) {
|
|
panic("%s: Cannot Identify scmd for host_tag 0x%x\n",
|
|
mrioc->name, host_tag);
|
|
goto out;
|
|
}
|
|
priv = scsi_cmd_priv(scmd);
|
|
|
|
data_len_blks = scsi_bufflen(scmd) >> 9;
|
|
sdev_priv_data = scmd->device->hostdata;
|
|
if (sdev_priv_data) {
|
|
stgt_priv_data = sdev_priv_data->tgt_priv_data;
|
|
if (stgt_priv_data) {
|
|
tg = stgt_priv_data->throttle_group;
|
|
throttle_enabled_dev =
|
|
stgt_priv_data->io_throttle_enabled;
|
|
}
|
|
}
|
|
if (unlikely((data_len_blks >= mrioc->io_throttle_data_length) &&
|
|
throttle_enabled_dev)) {
|
|
ioc_pend_data_len = atomic_sub_return(data_len_blks,
|
|
&mrioc->pend_large_data_sz);
|
|
if (tg) {
|
|
tg_pend_data_len = atomic_sub_return(data_len_blks,
|
|
&tg->pend_large_data_sz);
|
|
if (tg->io_divert && ((ioc_pend_data_len <=
|
|
mrioc->io_throttle_low) &&
|
|
(tg_pend_data_len <= tg->low))) {
|
|
tg->io_divert = 0;
|
|
mpi3mr_set_io_divert_for_all_vd_in_tg(
|
|
mrioc, tg, 0);
|
|
}
|
|
} else {
|
|
if (ioc_pend_data_len <= mrioc->io_throttle_low)
|
|
stgt_priv_data->io_divert = 0;
|
|
}
|
|
} else if (unlikely((stgt_priv_data && stgt_priv_data->io_divert))) {
|
|
ioc_pend_data_len = atomic_read(&mrioc->pend_large_data_sz);
|
|
if (!tg) {
|
|
if (ioc_pend_data_len <= mrioc->io_throttle_low)
|
|
stgt_priv_data->io_divert = 0;
|
|
|
|
} else if (ioc_pend_data_len <= mrioc->io_throttle_low) {
|
|
tg_pend_data_len = atomic_read(&tg->pend_large_data_sz);
|
|
if (tg->io_divert && (tg_pend_data_len <= tg->low)) {
|
|
tg->io_divert = 0;
|
|
mpi3mr_set_io_divert_for_all_vd_in_tg(
|
|
mrioc, tg, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (success_desc) {
|
|
scmd->result = DID_OK << 16;
|
|
goto out_success;
|
|
}
|
|
|
|
scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_count);
|
|
if (ioc_status == MPI3_IOCSTATUS_SCSI_DATA_UNDERRUN &&
|
|
xfer_count == 0 && (scsi_status == MPI3_SCSI_STATUS_BUSY ||
|
|
scsi_status == MPI3_SCSI_STATUS_RESERVATION_CONFLICT ||
|
|
scsi_status == MPI3_SCSI_STATUS_TASK_SET_FULL))
|
|
ioc_status = MPI3_IOCSTATUS_SUCCESS;
|
|
|
|
if ((sense_state == MPI3_SCSI_STATE_SENSE_VALID) && sense_count &&
|
|
sense_buf) {
|
|
u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, sense_count);
|
|
|
|
memcpy(scmd->sense_buffer, sense_buf, sz);
|
|
}
|
|
|
|
switch (ioc_status) {
|
|
case MPI3_IOCSTATUS_BUSY:
|
|
case MPI3_IOCSTATUS_INSUFFICIENT_RESOURCES:
|
|
scmd->result = SAM_STAT_BUSY;
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_IOC_TERMINATED:
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_TASK_TERMINATED:
|
|
case MPI3_IOCSTATUS_SCSI_EXT_TERMINATED:
|
|
scmd->result = DID_RESET << 16;
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
|
|
if ((xfer_count == 0) || (scmd->underflow > xfer_count))
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
else
|
|
scmd->result = (DID_OK << 16) | scsi_status;
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_DATA_UNDERRUN:
|
|
scmd->result = (DID_OK << 16) | scsi_status;
|
|
if (sense_state == MPI3_SCSI_STATE_SENSE_VALID)
|
|
break;
|
|
if (xfer_count < scmd->underflow) {
|
|
if (scsi_status == SAM_STAT_BUSY)
|
|
scmd->result = SAM_STAT_BUSY;
|
|
else
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
} else if ((scsi_state & (MPI3_SCSI_STATE_NO_SCSI_STATUS)) ||
|
|
(sense_state != MPI3_SCSI_STATE_SENSE_NOT_AVAILABLE))
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
else if (scsi_state & MPI3_SCSI_STATE_TERMINATED)
|
|
scmd->result = DID_RESET << 16;
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_DATA_OVERRUN:
|
|
scsi_set_resid(scmd, 0);
|
|
fallthrough;
|
|
case MPI3_IOCSTATUS_SCSI_RECOVERED_ERROR:
|
|
case MPI3_IOCSTATUS_SUCCESS:
|
|
scmd->result = (DID_OK << 16) | scsi_status;
|
|
if ((scsi_state & (MPI3_SCSI_STATE_NO_SCSI_STATUS)) ||
|
|
(sense_state == MPI3_SCSI_STATE_SENSE_FAILED) ||
|
|
(sense_state == MPI3_SCSI_STATE_SENSE_BUFF_Q_EMPTY))
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
else if (scsi_state & MPI3_SCSI_STATE_TERMINATED)
|
|
scmd->result = DID_RESET << 16;
|
|
break;
|
|
case MPI3_IOCSTATUS_EEDP_GUARD_ERROR:
|
|
case MPI3_IOCSTATUS_EEDP_REF_TAG_ERROR:
|
|
case MPI3_IOCSTATUS_EEDP_APP_TAG_ERROR:
|
|
mpi3mr_map_eedp_error(scmd, ioc_status);
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_PROTOCOL_ERROR:
|
|
case MPI3_IOCSTATUS_INVALID_FUNCTION:
|
|
case MPI3_IOCSTATUS_INVALID_SGL:
|
|
case MPI3_IOCSTATUS_INTERNAL_ERROR:
|
|
case MPI3_IOCSTATUS_INVALID_FIELD:
|
|
case MPI3_IOCSTATUS_INVALID_STATE:
|
|
case MPI3_IOCSTATUS_SCSI_IO_DATA_ERROR:
|
|
case MPI3_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
|
|
case MPI3_IOCSTATUS_INSUFFICIENT_POWER:
|
|
default:
|
|
scmd->result = DID_SOFT_ERROR << 16;
|
|
break;
|
|
}
|
|
|
|
if (scmd->result != (DID_OK << 16) && (scmd->cmnd[0] != ATA_12) &&
|
|
(scmd->cmnd[0] != ATA_16) &&
|
|
mrioc->logging_level & MPI3_DEBUG_SCSI_ERROR) {
|
|
ioc_info(mrioc, "%s :scmd->result 0x%x\n", __func__,
|
|
scmd->result);
|
|
scsi_print_command(scmd);
|
|
ioc_info(mrioc,
|
|
"%s :Command issued to handle 0x%02x returned with error 0x%04x loginfo 0x%08x, qid %d\n",
|
|
__func__, dev_handle, ioc_status, ioc_loginfo,
|
|
priv->req_q_idx + 1);
|
|
ioc_info(mrioc,
|
|
" host_tag %d scsi_state 0x%02x scsi_status 0x%02x, xfer_cnt %d resp_data 0x%x\n",
|
|
host_tag, scsi_state, scsi_status, xfer_count, resp_data);
|
|
if (sense_buf) {
|
|
scsi_normalize_sense(sense_buf, sense_count, &sshdr);
|
|
ioc_info(mrioc,
|
|
"%s :sense_count 0x%x, sense_key 0x%x ASC 0x%x, ASCQ 0x%x\n",
|
|
__func__, sense_count, sshdr.sense_key,
|
|
sshdr.asc, sshdr.ascq);
|
|
}
|
|
}
|
|
out_success:
|
|
if (priv->meta_sg_valid) {
|
|
dma_unmap_sg(&mrioc->pdev->dev, scsi_prot_sglist(scmd),
|
|
scsi_prot_sg_count(scmd), scmd->sc_data_direction);
|
|
}
|
|
mpi3mr_clear_scmd_priv(mrioc, scmd);
|
|
scsi_dma_unmap(scmd);
|
|
scsi_done(scmd);
|
|
out:
|
|
if (sense_buf)
|
|
mpi3mr_repost_sense_buf(mrioc,
|
|
le64_to_cpu(scsi_reply->sense_data_buffer_address));
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_get_chain_idx - get free chain buffer index
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Try to get a free chain buffer index from the free pool.
|
|
*
|
|
* Return: -1 on failure or the free chain buffer index
|
|
*/
|
|
static int mpi3mr_get_chain_idx(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u8 retry_count = 5;
|
|
int cmd_idx = -1;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&mrioc->chain_buf_lock, flags);
|
|
do {
|
|
cmd_idx = find_first_zero_bit(mrioc->chain_bitmap,
|
|
mrioc->chain_buf_count);
|
|
if (cmd_idx < mrioc->chain_buf_count) {
|
|
set_bit(cmd_idx, mrioc->chain_bitmap);
|
|
break;
|
|
}
|
|
cmd_idx = -1;
|
|
} while (retry_count--);
|
|
spin_unlock_irqrestore(&mrioc->chain_buf_lock, flags);
|
|
return cmd_idx;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_prepare_sg_scmd - build scatter gather list
|
|
* @mrioc: Adapter instance reference
|
|
* @scmd: SCSI command reference
|
|
* @scsiio_req: MPI3 SCSI IO request
|
|
*
|
|
* This function maps SCSI command's data and protection SGEs to
|
|
* MPI request SGEs. If required additional 4K chain buffer is
|
|
* used to send the SGEs.
|
|
*
|
|
* Return: 0 on success, -ENOMEM on dma_map_sg failure
|
|
*/
|
|
static int mpi3mr_prepare_sg_scmd(struct mpi3mr_ioc *mrioc,
|
|
struct scsi_cmnd *scmd, struct mpi3_scsi_io_request *scsiio_req)
|
|
{
|
|
dma_addr_t chain_dma;
|
|
struct scatterlist *sg_scmd;
|
|
void *sg_local, *chain;
|
|
u32 chain_length;
|
|
int sges_left, chain_idx;
|
|
u32 sges_in_segment;
|
|
u8 simple_sgl_flags;
|
|
u8 simple_sgl_flags_last;
|
|
u8 last_chain_sgl_flags;
|
|
struct chain_element *chain_req;
|
|
struct scmd_priv *priv = NULL;
|
|
u32 meta_sg = le32_to_cpu(scsiio_req->flags) &
|
|
MPI3_SCSIIO_FLAGS_DMAOPERATION_HOST_PI;
|
|
|
|
priv = scsi_cmd_priv(scmd);
|
|
|
|
simple_sgl_flags = MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE |
|
|
MPI3_SGE_FLAGS_DLAS_SYSTEM;
|
|
simple_sgl_flags_last = simple_sgl_flags |
|
|
MPI3_SGE_FLAGS_END_OF_LIST;
|
|
last_chain_sgl_flags = MPI3_SGE_FLAGS_ELEMENT_TYPE_LAST_CHAIN |
|
|
MPI3_SGE_FLAGS_DLAS_SYSTEM;
|
|
|
|
if (meta_sg)
|
|
sg_local = &scsiio_req->sgl[MPI3_SCSIIO_METASGL_INDEX];
|
|
else
|
|
sg_local = &scsiio_req->sgl;
|
|
|
|
if (!scsiio_req->data_length && !meta_sg) {
|
|
mpi3mr_build_zero_len_sge(sg_local);
|
|
return 0;
|
|
}
|
|
|
|
if (meta_sg) {
|
|
sg_scmd = scsi_prot_sglist(scmd);
|
|
sges_left = dma_map_sg(&mrioc->pdev->dev,
|
|
scsi_prot_sglist(scmd),
|
|
scsi_prot_sg_count(scmd),
|
|
scmd->sc_data_direction);
|
|
priv->meta_sg_valid = 1; /* To unmap meta sg DMA */
|
|
} else {
|
|
sg_scmd = scsi_sglist(scmd);
|
|
sges_left = scsi_dma_map(scmd);
|
|
}
|
|
|
|
if (sges_left < 0) {
|
|
sdev_printk(KERN_ERR, scmd->device,
|
|
"scsi_dma_map failed: request for %d bytes!\n",
|
|
scsi_bufflen(scmd));
|
|
return -ENOMEM;
|
|
}
|
|
if (sges_left > mrioc->max_sgl_entries) {
|
|
sdev_printk(KERN_ERR, scmd->device,
|
|
"scsi_dma_map returned unsupported sge count %d!\n",
|
|
sges_left);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sges_in_segment = (mrioc->facts.op_req_sz -
|
|
offsetof(struct mpi3_scsi_io_request, sgl)) / sizeof(struct mpi3_sge_common);
|
|
|
|
if (scsiio_req->sgl[0].eedp.flags ==
|
|
MPI3_SGE_FLAGS_ELEMENT_TYPE_EXTENDED && !meta_sg) {
|
|
sg_local += sizeof(struct mpi3_sge_common);
|
|
sges_in_segment--;
|
|
/* Reserve 1st segment (scsiio_req->sgl[0]) for eedp */
|
|
}
|
|
|
|
if (scsiio_req->msg_flags ==
|
|
MPI3_SCSIIO_MSGFLAGS_METASGL_VALID && !meta_sg) {
|
|
sges_in_segment--;
|
|
/* Reserve last segment (scsiio_req->sgl[3]) for meta sg */
|
|
}
|
|
|
|
if (meta_sg)
|
|
sges_in_segment = 1;
|
|
|
|
if (sges_left <= sges_in_segment)
|
|
goto fill_in_last_segment;
|
|
|
|
/* fill in main message segment when there is a chain following */
|
|
while (sges_in_segment > 1) {
|
|
mpi3mr_add_sg_single(sg_local, simple_sgl_flags,
|
|
sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
|
|
sg_scmd = sg_next(sg_scmd);
|
|
sg_local += sizeof(struct mpi3_sge_common);
|
|
sges_left--;
|
|
sges_in_segment--;
|
|
}
|
|
|
|
chain_idx = mpi3mr_get_chain_idx(mrioc);
|
|
if (chain_idx < 0)
|
|
return -1;
|
|
chain_req = &mrioc->chain_sgl_list[chain_idx];
|
|
if (meta_sg)
|
|
priv->meta_chain_idx = chain_idx;
|
|
else
|
|
priv->chain_idx = chain_idx;
|
|
|
|
chain = chain_req->addr;
|
|
chain_dma = chain_req->dma_addr;
|
|
sges_in_segment = sges_left;
|
|
chain_length = sges_in_segment * sizeof(struct mpi3_sge_common);
|
|
|
|
mpi3mr_add_sg_single(sg_local, last_chain_sgl_flags,
|
|
chain_length, chain_dma);
|
|
|
|
sg_local = chain;
|
|
|
|
fill_in_last_segment:
|
|
while (sges_left > 0) {
|
|
if (sges_left == 1)
|
|
mpi3mr_add_sg_single(sg_local,
|
|
simple_sgl_flags_last, sg_dma_len(sg_scmd),
|
|
sg_dma_address(sg_scmd));
|
|
else
|
|
mpi3mr_add_sg_single(sg_local, simple_sgl_flags,
|
|
sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
|
|
sg_scmd = sg_next(sg_scmd);
|
|
sg_local += sizeof(struct mpi3_sge_common);
|
|
sges_left--;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_build_sg_scmd - build scatter gather list for SCSI IO
|
|
* @mrioc: Adapter instance reference
|
|
* @scmd: SCSI command reference
|
|
* @scsiio_req: MPI3 SCSI IO request
|
|
*
|
|
* This function calls mpi3mr_prepare_sg_scmd for constructing
|
|
* both data SGEs and protection information SGEs in the MPI
|
|
* format from the SCSI Command as appropriate .
|
|
*
|
|
* Return: return value of mpi3mr_prepare_sg_scmd.
|
|
*/
|
|
static int mpi3mr_build_sg_scmd(struct mpi3mr_ioc *mrioc,
|
|
struct scsi_cmnd *scmd, struct mpi3_scsi_io_request *scsiio_req)
|
|
{
|
|
int ret;
|
|
|
|
ret = mpi3mr_prepare_sg_scmd(mrioc, scmd, scsiio_req);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (scsiio_req->msg_flags == MPI3_SCSIIO_MSGFLAGS_METASGL_VALID) {
|
|
/* There is a valid meta sg */
|
|
scsiio_req->flags |=
|
|
cpu_to_le32(MPI3_SCSIIO_FLAGS_DMAOPERATION_HOST_PI);
|
|
ret = mpi3mr_prepare_sg_scmd(mrioc, scmd, scsiio_req);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_tm_response_name - get TM response as a string
|
|
* @resp_code: TM response code
|
|
*
|
|
* Convert known task management response code as a readable
|
|
* string.
|
|
*
|
|
* Return: response code string.
|
|
*/
|
|
static const char *mpi3mr_tm_response_name(u8 resp_code)
|
|
{
|
|
char *desc;
|
|
|
|
switch (resp_code) {
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_COMPLETE:
|
|
desc = "task management request completed";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_INVALID_FRAME:
|
|
desc = "invalid frame";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_FUNCTION_NOT_SUPPORTED:
|
|
desc = "task management request not supported";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_FAILED:
|
|
desc = "task management request failed";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_SUCCEEDED:
|
|
desc = "task management request succeeded";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_INVALID_LUN:
|
|
desc = "invalid LUN";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_OVERLAPPED_TAG:
|
|
desc = "overlapped tag attempted";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC:
|
|
desc = "task queued, however not sent to target";
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_NVME_DENIED:
|
|
desc = "task management request denied by NVMe device";
|
|
break;
|
|
default:
|
|
desc = "unknown";
|
|
break;
|
|
}
|
|
|
|
return desc;
|
|
}
|
|
|
|
inline void mpi3mr_poll_pend_io_completions(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
int i;
|
|
int num_of_reply_queues =
|
|
mrioc->num_op_reply_q + mrioc->op_reply_q_offset;
|
|
|
|
for (i = mrioc->op_reply_q_offset; i < num_of_reply_queues; i++)
|
|
mpi3mr_process_op_reply_q(mrioc,
|
|
mrioc->intr_info[i].op_reply_q);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_issue_tm - Issue Task Management request
|
|
* @mrioc: Adapter instance reference
|
|
* @tm_type: Task Management type
|
|
* @handle: Device handle
|
|
* @lun: lun ID
|
|
* @htag: Host tag of the TM request
|
|
* @timeout: TM timeout value
|
|
* @drv_cmd: Internal command tracker
|
|
* @resp_code: Response code place holder
|
|
* @scmd: SCSI command
|
|
*
|
|
* Issues a Task Management Request to the controller for a
|
|
* specified target, lun and command and wait for its completion
|
|
* and check TM response. Recover the TM if it timed out by
|
|
* issuing controller reset.
|
|
*
|
|
* Return: 0 on success, non-zero on errors
|
|
*/
|
|
int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type,
|
|
u16 handle, uint lun, u16 htag, ulong timeout,
|
|
struct mpi3mr_drv_cmd *drv_cmd,
|
|
u8 *resp_code, struct scsi_cmnd *scmd)
|
|
{
|
|
struct mpi3_scsi_task_mgmt_request tm_req;
|
|
struct mpi3_scsi_task_mgmt_reply *tm_reply = NULL;
|
|
int retval = 0;
|
|
struct mpi3mr_tgt_dev *tgtdev = NULL;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data = NULL;
|
|
struct scmd_priv *cmd_priv = NULL;
|
|
struct scsi_device *sdev = NULL;
|
|
struct mpi3mr_sdev_priv_data *sdev_priv_data = NULL;
|
|
|
|
ioc_info(mrioc, "%s :Issue TM: TM type (0x%x) for devhandle 0x%04x\n",
|
|
__func__, tm_type, handle);
|
|
if (mrioc->unrecoverable) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "%s :Issue TM: Unrecoverable controller\n",
|
|
__func__);
|
|
goto out;
|
|
}
|
|
|
|
memset(&tm_req, 0, sizeof(tm_req));
|
|
mutex_lock(&drv_cmd->mutex);
|
|
if (drv_cmd->state & MPI3MR_CMD_PENDING) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "%s :Issue TM: Command is in use\n", __func__);
|
|
mutex_unlock(&drv_cmd->mutex);
|
|
goto out;
|
|
}
|
|
if (mrioc->reset_in_progress) {
|
|
retval = -1;
|
|
ioc_err(mrioc, "%s :Issue TM: Reset in progress\n", __func__);
|
|
mutex_unlock(&drv_cmd->mutex);
|
|
goto out;
|
|
}
|
|
|
|
drv_cmd->state = MPI3MR_CMD_PENDING;
|
|
drv_cmd->is_waiting = 1;
|
|
drv_cmd->callback = NULL;
|
|
tm_req.dev_handle = cpu_to_le16(handle);
|
|
tm_req.task_type = tm_type;
|
|
tm_req.host_tag = cpu_to_le16(htag);
|
|
|
|
int_to_scsilun(lun, (struct scsi_lun *)tm_req.lun);
|
|
tm_req.function = MPI3_FUNCTION_SCSI_TASK_MGMT;
|
|
|
|
tgtdev = mpi3mr_get_tgtdev_by_handle(mrioc, handle);
|
|
|
|
if (scmd) {
|
|
sdev = scmd->device;
|
|
sdev_priv_data = sdev->hostdata;
|
|
scsi_tgt_priv_data = ((sdev_priv_data) ?
|
|
sdev_priv_data->tgt_priv_data : NULL);
|
|
} else {
|
|
if (tgtdev && tgtdev->starget && tgtdev->starget->hostdata)
|
|
scsi_tgt_priv_data = (struct mpi3mr_stgt_priv_data *)
|
|
tgtdev->starget->hostdata;
|
|
}
|
|
|
|
if (scsi_tgt_priv_data)
|
|
atomic_inc(&scsi_tgt_priv_data->block_io);
|
|
|
|
if (tgtdev && (tgtdev->dev_type == MPI3_DEVICE_DEVFORM_PCIE)) {
|
|
if (cmd_priv && tgtdev->dev_spec.pcie_inf.abort_to)
|
|
timeout = tgtdev->dev_spec.pcie_inf.abort_to;
|
|
else if (!cmd_priv && tgtdev->dev_spec.pcie_inf.reset_to)
|
|
timeout = tgtdev->dev_spec.pcie_inf.reset_to;
|
|
}
|
|
|
|
init_completion(&drv_cmd->done);
|
|
retval = mpi3mr_admin_request_post(mrioc, &tm_req, sizeof(tm_req), 1);
|
|
if (retval) {
|
|
ioc_err(mrioc, "%s :Issue TM: Admin Post failed\n", __func__);
|
|
goto out_unlock;
|
|
}
|
|
wait_for_completion_timeout(&drv_cmd->done, (timeout * HZ));
|
|
|
|
if (!(drv_cmd->state & MPI3MR_CMD_COMPLETE)) {
|
|
drv_cmd->is_waiting = 0;
|
|
retval = -1;
|
|
if (!(drv_cmd->state & MPI3MR_CMD_RESET)) {
|
|
dprint_tm(mrioc,
|
|
"task management request timed out after %ld seconds\n",
|
|
timeout);
|
|
if (mrioc->logging_level & MPI3_DEBUG_TM)
|
|
dprint_dump_req(&tm_req, sizeof(tm_req)/4);
|
|
mpi3mr_soft_reset_handler(mrioc,
|
|
MPI3MR_RESET_FROM_TM_TIMEOUT, 1);
|
|
}
|
|
goto out_unlock;
|
|
}
|
|
|
|
if (!(drv_cmd->state & MPI3MR_CMD_REPLY_VALID)) {
|
|
dprint_tm(mrioc, "invalid task management reply message\n");
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
|
|
tm_reply = (struct mpi3_scsi_task_mgmt_reply *)drv_cmd->reply;
|
|
|
|
switch (drv_cmd->ioc_status) {
|
|
case MPI3_IOCSTATUS_SUCCESS:
|
|
*resp_code = le32_to_cpu(tm_reply->response_data) &
|
|
MPI3MR_RI_MASK_RESPCODE;
|
|
break;
|
|
case MPI3_IOCSTATUS_SCSI_IOC_TERMINATED:
|
|
*resp_code = MPI3_SCSITASKMGMT_RSPCODE_TM_COMPLETE;
|
|
break;
|
|
default:
|
|
dprint_tm(mrioc,
|
|
"task management request to handle(0x%04x) is failed with ioc_status(0x%04x) log_info(0x%08x)\n",
|
|
handle, drv_cmd->ioc_status, drv_cmd->ioc_loginfo);
|
|
retval = -1;
|
|
goto out_unlock;
|
|
}
|
|
|
|
switch (*resp_code) {
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_SUCCEEDED:
|
|
case MPI3_SCSITASKMGMT_RSPCODE_TM_COMPLETE:
|
|
break;
|
|
case MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC:
|
|
if (tm_type != MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
|
|
retval = -1;
|
|
break;
|
|
default:
|
|
retval = -1;
|
|
break;
|
|
}
|
|
|
|
dprint_tm(mrioc,
|
|
"task management request type(%d) completed for handle(0x%04x) with ioc_status(0x%04x), log_info(0x%08x), termination_count(%d), response:%s(0x%x)\n",
|
|
tm_type, handle, drv_cmd->ioc_status, drv_cmd->ioc_loginfo,
|
|
le32_to_cpu(tm_reply->termination_count),
|
|
mpi3mr_tm_response_name(*resp_code), *resp_code);
|
|
|
|
if (!retval) {
|
|
mpi3mr_ioc_disable_intr(mrioc);
|
|
mpi3mr_poll_pend_io_completions(mrioc);
|
|
mpi3mr_ioc_enable_intr(mrioc);
|
|
mpi3mr_poll_pend_io_completions(mrioc);
|
|
mpi3mr_process_admin_reply_q(mrioc);
|
|
}
|
|
switch (tm_type) {
|
|
case MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
|
|
if (!scsi_tgt_priv_data)
|
|
break;
|
|
scsi_tgt_priv_data->pend_count = 0;
|
|
blk_mq_tagset_busy_iter(&mrioc->shost->tag_set,
|
|
mpi3mr_count_tgt_pending,
|
|
(void *)scsi_tgt_priv_data->starget);
|
|
break;
|
|
case MPI3_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
|
|
if (!sdev_priv_data)
|
|
break;
|
|
sdev_priv_data->pend_count = 0;
|
|
blk_mq_tagset_busy_iter(&mrioc->shost->tag_set,
|
|
mpi3mr_count_dev_pending, (void *)sdev);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
out_unlock:
|
|
drv_cmd->state = MPI3MR_CMD_NOTUSED;
|
|
mutex_unlock(&drv_cmd->mutex);
|
|
if (scsi_tgt_priv_data)
|
|
atomic_dec_if_positive(&scsi_tgt_priv_data->block_io);
|
|
if (tgtdev)
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
out:
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_bios_param - BIOS param callback
|
|
* @sdev: SCSI device reference
|
|
* @bdev: Block device reference
|
|
* @capacity: Capacity in logical sectors
|
|
* @params: Parameter array
|
|
*
|
|
* Just the parameters with heads/secots/cylinders.
|
|
*
|
|
* Return: 0 always
|
|
*/
|
|
static int mpi3mr_bios_param(struct scsi_device *sdev,
|
|
struct block_device *bdev, sector_t capacity, int params[])
|
|
{
|
|
int heads;
|
|
int sectors;
|
|
sector_t cylinders;
|
|
ulong dummy;
|
|
|
|
heads = 64;
|
|
sectors = 32;
|
|
|
|
dummy = heads * sectors;
|
|
cylinders = capacity;
|
|
sector_div(cylinders, dummy);
|
|
|
|
if ((ulong)capacity >= 0x200000) {
|
|
heads = 255;
|
|
sectors = 63;
|
|
dummy = heads * sectors;
|
|
cylinders = capacity;
|
|
sector_div(cylinders, dummy);
|
|
}
|
|
|
|
params[0] = heads;
|
|
params[1] = sectors;
|
|
params[2] = cylinders;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_map_queues - Map queues callback handler
|
|
* @shost: SCSI host reference
|
|
*
|
|
* Maps default and poll queues.
|
|
*
|
|
* Return: return zero.
|
|
*/
|
|
static void mpi3mr_map_queues(struct Scsi_Host *shost)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(shost);
|
|
int i, qoff, offset;
|
|
struct blk_mq_queue_map *map = NULL;
|
|
|
|
offset = mrioc->op_reply_q_offset;
|
|
|
|
for (i = 0, qoff = 0; i < HCTX_MAX_TYPES; i++) {
|
|
map = &shost->tag_set.map[i];
|
|
|
|
map->nr_queues = 0;
|
|
|
|
if (i == HCTX_TYPE_DEFAULT)
|
|
map->nr_queues = mrioc->default_qcount;
|
|
else if (i == HCTX_TYPE_POLL)
|
|
map->nr_queues = mrioc->active_poll_qcount;
|
|
|
|
if (!map->nr_queues) {
|
|
BUG_ON(i == HCTX_TYPE_DEFAULT);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* The poll queue(s) doesn't have an IRQ (and hence IRQ
|
|
* affinity), so use the regular blk-mq cpu mapping
|
|
*/
|
|
map->queue_offset = qoff;
|
|
if (i != HCTX_TYPE_POLL)
|
|
blk_mq_pci_map_queues(map, mrioc->pdev, offset);
|
|
else
|
|
blk_mq_map_queues(map);
|
|
|
|
qoff += map->nr_queues;
|
|
offset += map->nr_queues;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_get_fw_pending_ios - Calculate pending I/O count
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Calculate the pending I/Os for the controller and return.
|
|
*
|
|
* Return: Number of pending I/Os
|
|
*/
|
|
static inline int mpi3mr_get_fw_pending_ios(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
u16 i;
|
|
uint pend_ios = 0;
|
|
|
|
for (i = 0; i < mrioc->num_op_reply_q; i++)
|
|
pend_ios += atomic_read(&mrioc->op_reply_qinfo[i].pend_ios);
|
|
return pend_ios;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_print_pending_host_io - print pending I/Os
|
|
* @mrioc: Adapter instance reference
|
|
*
|
|
* Print number of pending I/Os and each I/O details prior to
|
|
* reset for debug purpose.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_print_pending_host_io(struct mpi3mr_ioc *mrioc)
|
|
{
|
|
struct Scsi_Host *shost = mrioc->shost;
|
|
|
|
ioc_info(mrioc, "%s :Pending commands prior to reset: %d\n",
|
|
__func__, mpi3mr_get_fw_pending_ios(mrioc));
|
|
blk_mq_tagset_busy_iter(&shost->tag_set,
|
|
mpi3mr_print_scmd, (void *)mrioc);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_wait_for_host_io - block for I/Os to complete
|
|
* @mrioc: Adapter instance reference
|
|
* @timeout: time out in seconds
|
|
* Waits for pending I/Os for the given adapter to complete or
|
|
* to hit the timeout.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout)
|
|
{
|
|
enum mpi3mr_iocstate iocstate;
|
|
int i = 0;
|
|
|
|
iocstate = mpi3mr_get_iocstate(mrioc);
|
|
if (iocstate != MRIOC_STATE_READY)
|
|
return;
|
|
|
|
if (!mpi3mr_get_fw_pending_ios(mrioc))
|
|
return;
|
|
ioc_info(mrioc,
|
|
"%s :Waiting for %d seconds prior to reset for %d I/O\n",
|
|
__func__, timeout, mpi3mr_get_fw_pending_ios(mrioc));
|
|
|
|
for (i = 0; i < timeout; i++) {
|
|
if (!mpi3mr_get_fw_pending_ios(mrioc))
|
|
break;
|
|
iocstate = mpi3mr_get_iocstate(mrioc);
|
|
if (iocstate != MRIOC_STATE_READY)
|
|
break;
|
|
msleep(1000);
|
|
}
|
|
|
|
ioc_info(mrioc, "%s :Pending I/Os after wait is: %d\n", __func__,
|
|
mpi3mr_get_fw_pending_ios(mrioc));
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_setup_divert_ws - Setup Divert IO flag for write same
|
|
* @mrioc: Adapter instance reference
|
|
* @scmd: SCSI command reference
|
|
* @scsiio_req: MPI3 SCSI IO request
|
|
* @scsiio_flags: Pointer to MPI3 SCSI IO Flags
|
|
* @wslen: write same max length
|
|
*
|
|
* Gets values of unmap, ndob and number of blocks from write
|
|
* same scsi io and based on these values it sets divert IO flag
|
|
* and reason for diverting IO to firmware.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static inline void mpi3mr_setup_divert_ws(struct mpi3mr_ioc *mrioc,
|
|
struct scsi_cmnd *scmd, struct mpi3_scsi_io_request *scsiio_req,
|
|
u32 *scsiio_flags, u16 wslen)
|
|
{
|
|
u8 unmap = 0, ndob = 0;
|
|
u8 opcode = scmd->cmnd[0];
|
|
u32 num_blocks = 0;
|
|
u16 sa = (scmd->cmnd[8] << 8) | (scmd->cmnd[9]);
|
|
|
|
if (opcode == WRITE_SAME_16) {
|
|
unmap = scmd->cmnd[1] & 0x08;
|
|
ndob = scmd->cmnd[1] & 0x01;
|
|
num_blocks = get_unaligned_be32(scmd->cmnd + 10);
|
|
} else if ((opcode == VARIABLE_LENGTH_CMD) && (sa == WRITE_SAME_32)) {
|
|
unmap = scmd->cmnd[10] & 0x08;
|
|
ndob = scmd->cmnd[10] & 0x01;
|
|
num_blocks = get_unaligned_be32(scmd->cmnd + 28);
|
|
} else
|
|
return;
|
|
|
|
if ((unmap) && (ndob) && (num_blocks > wslen)) {
|
|
scsiio_req->msg_flags |=
|
|
MPI3_SCSIIO_MSGFLAGS_DIVERT_TO_FIRMWARE;
|
|
*scsiio_flags |=
|
|
MPI3_SCSIIO_FLAGS_DIVERT_REASON_WRITE_SAME_TOO_LARGE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_eh_host_reset - Host reset error handling callback
|
|
* @scmd: SCSI command reference
|
|
*
|
|
* Issue controller reset
|
|
*
|
|
* Return: SUCCESS of successful reset else FAILED
|
|
*/
|
|
static int mpi3mr_eh_host_reset(struct scsi_cmnd *scmd)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(scmd->device->host);
|
|
int retval = FAILED, ret;
|
|
|
|
ret = mpi3mr_soft_reset_handler(mrioc,
|
|
MPI3MR_RESET_FROM_EH_HOS, 1);
|
|
if (ret)
|
|
goto out;
|
|
|
|
retval = SUCCESS;
|
|
out:
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"Host reset is %s for scmd(%p)\n",
|
|
((retval == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_eh_bus_reset - Bus reset error handling callback
|
|
* @scmd: SCSI command reference
|
|
*
|
|
* Checks whether pending I/Os are present for the RAID volume;
|
|
* if not there's no need to reset the adapter.
|
|
*
|
|
* Return: SUCCESS of successful reset else FAILED
|
|
*/
|
|
static int mpi3mr_eh_bus_reset(struct scsi_cmnd *scmd)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(scmd->device->host);
|
|
struct mpi3mr_stgt_priv_data *stgt_priv_data;
|
|
struct mpi3mr_sdev_priv_data *sdev_priv_data;
|
|
u8 dev_type = MPI3_DEVICE_DEVFORM_VD;
|
|
int retval = FAILED;
|
|
|
|
sdev_priv_data = scmd->device->hostdata;
|
|
if (sdev_priv_data && sdev_priv_data->tgt_priv_data) {
|
|
stgt_priv_data = sdev_priv_data->tgt_priv_data;
|
|
dev_type = stgt_priv_data->dev_type;
|
|
}
|
|
|
|
if (dev_type == MPI3_DEVICE_DEVFORM_VD) {
|
|
mpi3mr_wait_for_host_io(mrioc,
|
|
MPI3MR_RAID_ERRREC_RESET_TIMEOUT);
|
|
if (!mpi3mr_get_fw_pending_ios(mrioc))
|
|
retval = SUCCESS;
|
|
}
|
|
if (retval == FAILED)
|
|
mpi3mr_print_pending_host_io(mrioc);
|
|
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"Bus reset is %s for scmd(%p)\n",
|
|
((retval == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_eh_target_reset - Target reset error handling callback
|
|
* @scmd: SCSI command reference
|
|
*
|
|
* Issue Target reset Task Management and verify the scmd is
|
|
* terminated successfully and return status accordingly.
|
|
*
|
|
* Return: SUCCESS of successful termination of the scmd else
|
|
* FAILED
|
|
*/
|
|
static int mpi3mr_eh_target_reset(struct scsi_cmnd *scmd)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(scmd->device->host);
|
|
struct mpi3mr_stgt_priv_data *stgt_priv_data;
|
|
struct mpi3mr_sdev_priv_data *sdev_priv_data;
|
|
u16 dev_handle;
|
|
u8 resp_code = 0;
|
|
int retval = FAILED, ret = 0;
|
|
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"Attempting Target Reset! scmd(%p)\n", scmd);
|
|
scsi_print_command(scmd);
|
|
|
|
sdev_priv_data = scmd->device->hostdata;
|
|
if (!sdev_priv_data || !sdev_priv_data->tgt_priv_data) {
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"SCSI device is not available\n");
|
|
retval = SUCCESS;
|
|
goto out;
|
|
}
|
|
|
|
stgt_priv_data = sdev_priv_data->tgt_priv_data;
|
|
dev_handle = stgt_priv_data->dev_handle;
|
|
if (stgt_priv_data->dev_removed) {
|
|
struct scmd_priv *cmd_priv = scsi_cmd_priv(scmd);
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"%s:target(handle = 0x%04x) is removed, target reset is not issued\n",
|
|
mrioc->name, dev_handle);
|
|
if (!cmd_priv->in_lld_scope || cmd_priv->host_tag == MPI3MR_HOSTTAG_INVALID)
|
|
retval = SUCCESS;
|
|
else
|
|
retval = FAILED;
|
|
goto out;
|
|
}
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"Target Reset is issued to handle(0x%04x)\n",
|
|
dev_handle);
|
|
|
|
ret = mpi3mr_issue_tm(mrioc,
|
|
MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET, dev_handle,
|
|
sdev_priv_data->lun_id, MPI3MR_HOSTTAG_BLK_TMS,
|
|
MPI3MR_RESETTM_TIMEOUT, &mrioc->host_tm_cmds, &resp_code, scmd);
|
|
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (stgt_priv_data->pend_count) {
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"%s: target has %d pending commands, target reset is failed\n",
|
|
mrioc->name, stgt_priv_data->pend_count);
|
|
goto out;
|
|
}
|
|
|
|
retval = SUCCESS;
|
|
out:
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"%s: target reset is %s for scmd(%p)\n", mrioc->name,
|
|
((retval == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_eh_dev_reset- Device reset error handling callback
|
|
* @scmd: SCSI command reference
|
|
*
|
|
* Issue lun reset Task Management and verify the scmd is
|
|
* terminated successfully and return status accordingly.
|
|
*
|
|
* Return: SUCCESS of successful termination of the scmd else
|
|
* FAILED
|
|
*/
|
|
static int mpi3mr_eh_dev_reset(struct scsi_cmnd *scmd)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(scmd->device->host);
|
|
struct mpi3mr_stgt_priv_data *stgt_priv_data;
|
|
struct mpi3mr_sdev_priv_data *sdev_priv_data;
|
|
u16 dev_handle;
|
|
u8 resp_code = 0;
|
|
int retval = FAILED, ret = 0;
|
|
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"Attempting Device(lun) Reset! scmd(%p)\n", scmd);
|
|
scsi_print_command(scmd);
|
|
|
|
sdev_priv_data = scmd->device->hostdata;
|
|
if (!sdev_priv_data || !sdev_priv_data->tgt_priv_data) {
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"SCSI device is not available\n");
|
|
retval = SUCCESS;
|
|
goto out;
|
|
}
|
|
|
|
stgt_priv_data = sdev_priv_data->tgt_priv_data;
|
|
dev_handle = stgt_priv_data->dev_handle;
|
|
if (stgt_priv_data->dev_removed) {
|
|
struct scmd_priv *cmd_priv = scsi_cmd_priv(scmd);
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"%s: device(handle = 0x%04x) is removed, device(LUN) reset is not issued\n",
|
|
mrioc->name, dev_handle);
|
|
if (!cmd_priv->in_lld_scope || cmd_priv->host_tag == MPI3MR_HOSTTAG_INVALID)
|
|
retval = SUCCESS;
|
|
else
|
|
retval = FAILED;
|
|
goto out;
|
|
}
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"Device(lun) Reset is issued to handle(0x%04x)\n", dev_handle);
|
|
|
|
ret = mpi3mr_issue_tm(mrioc,
|
|
MPI3_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, dev_handle,
|
|
sdev_priv_data->lun_id, MPI3MR_HOSTTAG_BLK_TMS,
|
|
MPI3MR_RESETTM_TIMEOUT, &mrioc->host_tm_cmds, &resp_code, scmd);
|
|
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (sdev_priv_data->pend_count) {
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"%s: device has %d pending commands, device(LUN) reset is failed\n",
|
|
mrioc->name, sdev_priv_data->pend_count);
|
|
goto out;
|
|
}
|
|
retval = SUCCESS;
|
|
out:
|
|
sdev_printk(KERN_INFO, scmd->device,
|
|
"%s: device(LUN) reset is %s for scmd(%p)\n", mrioc->name,
|
|
((retval == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_scan_start - Scan start callback handler
|
|
* @shost: SCSI host reference
|
|
*
|
|
* Issue port enable request asynchronously.
|
|
*
|
|
* Return: Nothing
|
|
*/
|
|
static void mpi3mr_scan_start(struct Scsi_Host *shost)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(shost);
|
|
|
|
mrioc->scan_started = 1;
|
|
ioc_info(mrioc, "%s :Issuing Port Enable\n", __func__);
|
|
if (mpi3mr_issue_port_enable(mrioc, 1)) {
|
|
ioc_err(mrioc, "%s :Issuing port enable failed\n", __func__);
|
|
mrioc->scan_started = 0;
|
|
mrioc->scan_failed = MPI3_IOCSTATUS_INTERNAL_ERROR;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_scan_finished - Scan finished callback handler
|
|
* @shost: SCSI host reference
|
|
* @time: Jiffies from the scan start
|
|
*
|
|
* Checks whether the port enable is completed or timedout or
|
|
* failed and set the scan status accordingly after taking any
|
|
* recovery if required.
|
|
*
|
|
* Return: 1 on scan finished or timed out, 0 for in progress
|
|
*/
|
|
static int mpi3mr_scan_finished(struct Scsi_Host *shost,
|
|
unsigned long time)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(shost);
|
|
u32 pe_timeout = MPI3MR_PORTENABLE_TIMEOUT;
|
|
u32 ioc_status = readl(&mrioc->sysif_regs->ioc_status);
|
|
|
|
if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) ||
|
|
(ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) {
|
|
ioc_err(mrioc, "port enable failed due to fault or reset\n");
|
|
mpi3mr_print_fault_info(mrioc);
|
|
mrioc->scan_failed = MPI3_IOCSTATUS_INTERNAL_ERROR;
|
|
mrioc->scan_started = 0;
|
|
mrioc->init_cmds.is_waiting = 0;
|
|
mrioc->init_cmds.callback = NULL;
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
}
|
|
|
|
if (time >= (pe_timeout * HZ)) {
|
|
ioc_err(mrioc, "port enable failed due to time out\n");
|
|
mpi3mr_check_rh_fault_ioc(mrioc,
|
|
MPI3MR_RESET_FROM_PE_TIMEOUT);
|
|
mrioc->scan_failed = MPI3_IOCSTATUS_INTERNAL_ERROR;
|
|
mrioc->scan_started = 0;
|
|
mrioc->init_cmds.is_waiting = 0;
|
|
mrioc->init_cmds.callback = NULL;
|
|
mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
|
|
}
|
|
|
|
if (mrioc->scan_started)
|
|
return 0;
|
|
|
|
if (mrioc->scan_failed) {
|
|
ioc_err(mrioc,
|
|
"port enable failed with status=0x%04x\n",
|
|
mrioc->scan_failed);
|
|
} else
|
|
ioc_info(mrioc, "port enable is successfully completed\n");
|
|
|
|
mpi3mr_start_watchdog(mrioc);
|
|
mrioc->is_driver_loading = 0;
|
|
mrioc->stop_bsgs = 0;
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_slave_destroy - Slave destroy callback handler
|
|
* @sdev: SCSI device reference
|
|
*
|
|
* Cleanup and free per device(lun) private data.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_slave_destroy(struct scsi_device *sdev)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct mpi3mr_ioc *mrioc;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data;
|
|
struct mpi3mr_tgt_dev *tgt_dev = NULL;
|
|
unsigned long flags;
|
|
struct scsi_target *starget;
|
|
struct sas_rphy *rphy = NULL;
|
|
|
|
if (!sdev->hostdata)
|
|
return;
|
|
|
|
starget = scsi_target(sdev);
|
|
shost = dev_to_shost(&starget->dev);
|
|
mrioc = shost_priv(shost);
|
|
scsi_tgt_priv_data = starget->hostdata;
|
|
|
|
scsi_tgt_priv_data->num_luns--;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
if (starget->channel == mrioc->scsi_device_channel)
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id);
|
|
else if (mrioc->sas_transport_enabled && !starget->channel) {
|
|
rphy = dev_to_rphy(starget->dev.parent);
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc,
|
|
rphy->identify.sas_address, rphy);
|
|
}
|
|
|
|
if (tgt_dev && (!scsi_tgt_priv_data->num_luns))
|
|
tgt_dev->starget = NULL;
|
|
if (tgt_dev)
|
|
mpi3mr_tgtdev_put(tgt_dev);
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
|
|
kfree(sdev->hostdata);
|
|
sdev->hostdata = NULL;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_target_destroy - Target destroy callback handler
|
|
* @starget: SCSI target reference
|
|
*
|
|
* Cleanup and free per target private data.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_target_destroy(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct mpi3mr_ioc *mrioc;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data;
|
|
struct mpi3mr_tgt_dev *tgt_dev;
|
|
unsigned long flags;
|
|
|
|
if (!starget->hostdata)
|
|
return;
|
|
|
|
shost = dev_to_shost(&starget->dev);
|
|
mrioc = shost_priv(shost);
|
|
scsi_tgt_priv_data = starget->hostdata;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
tgt_dev = __mpi3mr_get_tgtdev_from_tgtpriv(mrioc, scsi_tgt_priv_data);
|
|
if (tgt_dev && (tgt_dev->starget == starget) &&
|
|
(tgt_dev->perst_id == starget->id))
|
|
tgt_dev->starget = NULL;
|
|
if (tgt_dev) {
|
|
scsi_tgt_priv_data->tgt_dev = NULL;
|
|
scsi_tgt_priv_data->perst_id = 0;
|
|
mpi3mr_tgtdev_put(tgt_dev);
|
|
mpi3mr_tgtdev_put(tgt_dev);
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
|
|
kfree(starget->hostdata);
|
|
starget->hostdata = NULL;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_slave_configure - Slave configure callback handler
|
|
* @sdev: SCSI device reference
|
|
*
|
|
* Configure queue depth, max hardware sectors and virt boundary
|
|
* as required
|
|
*
|
|
* Return: 0 always.
|
|
*/
|
|
static int mpi3mr_slave_configure(struct scsi_device *sdev)
|
|
{
|
|
struct scsi_target *starget;
|
|
struct Scsi_Host *shost;
|
|
struct mpi3mr_ioc *mrioc;
|
|
struct mpi3mr_tgt_dev *tgt_dev = NULL;
|
|
unsigned long flags;
|
|
int retval = 0;
|
|
struct sas_rphy *rphy = NULL;
|
|
|
|
starget = scsi_target(sdev);
|
|
shost = dev_to_shost(&starget->dev);
|
|
mrioc = shost_priv(shost);
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
if (starget->channel == mrioc->scsi_device_channel)
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id);
|
|
else if (mrioc->sas_transport_enabled && !starget->channel) {
|
|
rphy = dev_to_rphy(starget->dev.parent);
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc,
|
|
rphy->identify.sas_address, rphy);
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
if (!tgt_dev)
|
|
return -ENXIO;
|
|
|
|
mpi3mr_change_queue_depth(sdev, tgt_dev->q_depth);
|
|
|
|
sdev->eh_timeout = MPI3MR_EH_SCMD_TIMEOUT;
|
|
blk_queue_rq_timeout(sdev->request_queue, MPI3MR_SCMD_TIMEOUT);
|
|
|
|
switch (tgt_dev->dev_type) {
|
|
case MPI3_DEVICE_DEVFORM_PCIE:
|
|
/*The block layer hw sector size = 512*/
|
|
if ((tgt_dev->dev_spec.pcie_inf.dev_info &
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) ==
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) {
|
|
blk_queue_max_hw_sectors(sdev->request_queue,
|
|
tgt_dev->dev_spec.pcie_inf.mdts / 512);
|
|
if (tgt_dev->dev_spec.pcie_inf.pgsz == 0)
|
|
blk_queue_virt_boundary(sdev->request_queue,
|
|
((1 << MPI3MR_DEFAULT_PGSZEXP) - 1));
|
|
else
|
|
blk_queue_virt_boundary(sdev->request_queue,
|
|
((1 << tgt_dev->dev_spec.pcie_inf.pgsz) - 1));
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
mpi3mr_tgtdev_put(tgt_dev);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_slave_alloc -Slave alloc callback handler
|
|
* @sdev: SCSI device reference
|
|
*
|
|
* Allocate per device(lun) private data and initialize it.
|
|
*
|
|
* Return: 0 on success -ENOMEM on memory allocation failure.
|
|
*/
|
|
static int mpi3mr_slave_alloc(struct scsi_device *sdev)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct mpi3mr_ioc *mrioc;
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data;
|
|
struct mpi3mr_tgt_dev *tgt_dev = NULL;
|
|
struct mpi3mr_sdev_priv_data *scsi_dev_priv_data;
|
|
unsigned long flags;
|
|
struct scsi_target *starget;
|
|
int retval = 0;
|
|
struct sas_rphy *rphy = NULL;
|
|
|
|
starget = scsi_target(sdev);
|
|
shost = dev_to_shost(&starget->dev);
|
|
mrioc = shost_priv(shost);
|
|
scsi_tgt_priv_data = starget->hostdata;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
|
|
if (starget->channel == mrioc->scsi_device_channel)
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id);
|
|
else if (mrioc->sas_transport_enabled && !starget->channel) {
|
|
rphy = dev_to_rphy(starget->dev.parent);
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc,
|
|
rphy->identify.sas_address, rphy);
|
|
}
|
|
|
|
if (tgt_dev) {
|
|
if (tgt_dev->starget == NULL)
|
|
tgt_dev->starget = starget;
|
|
mpi3mr_tgtdev_put(tgt_dev);
|
|
retval = 0;
|
|
} else {
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
return -ENXIO;
|
|
}
|
|
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
|
|
scsi_dev_priv_data = kzalloc(sizeof(*scsi_dev_priv_data), GFP_KERNEL);
|
|
if (!scsi_dev_priv_data)
|
|
return -ENOMEM;
|
|
|
|
scsi_dev_priv_data->lun_id = sdev->lun;
|
|
scsi_dev_priv_data->tgt_priv_data = scsi_tgt_priv_data;
|
|
sdev->hostdata = scsi_dev_priv_data;
|
|
|
|
scsi_tgt_priv_data->num_luns++;
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_target_alloc - Target alloc callback handler
|
|
* @starget: SCSI target reference
|
|
*
|
|
* Allocate per target private data and initialize it.
|
|
*
|
|
* Return: 0 on success -ENOMEM on memory allocation failure.
|
|
*/
|
|
static int mpi3mr_target_alloc(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
|
|
struct mpi3mr_ioc *mrioc = shost_priv(shost);
|
|
struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data;
|
|
struct mpi3mr_tgt_dev *tgt_dev;
|
|
unsigned long flags;
|
|
int retval = 0;
|
|
struct sas_rphy *rphy = NULL;
|
|
|
|
scsi_tgt_priv_data = kzalloc(sizeof(*scsi_tgt_priv_data), GFP_KERNEL);
|
|
if (!scsi_tgt_priv_data)
|
|
return -ENOMEM;
|
|
|
|
starget->hostdata = scsi_tgt_priv_data;
|
|
|
|
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
|
|
if (starget->channel == mrioc->scsi_device_channel) {
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id);
|
|
if (tgt_dev && !tgt_dev->is_hidden) {
|
|
scsi_tgt_priv_data->starget = starget;
|
|
scsi_tgt_priv_data->dev_handle = tgt_dev->dev_handle;
|
|
scsi_tgt_priv_data->perst_id = tgt_dev->perst_id;
|
|
scsi_tgt_priv_data->dev_type = tgt_dev->dev_type;
|
|
scsi_tgt_priv_data->tgt_dev = tgt_dev;
|
|
tgt_dev->starget = starget;
|
|
atomic_set(&scsi_tgt_priv_data->block_io, 0);
|
|
retval = 0;
|
|
if ((tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_PCIE) &&
|
|
((tgt_dev->dev_spec.pcie_inf.dev_info &
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) ==
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) &&
|
|
((tgt_dev->dev_spec.pcie_inf.dev_info &
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_PITYPE_MASK) !=
|
|
MPI3_DEVICE0_PCIE_DEVICE_INFO_PITYPE_0))
|
|
scsi_tgt_priv_data->dev_nvme_dif = 1;
|
|
scsi_tgt_priv_data->io_throttle_enabled = tgt_dev->io_throttle_enabled;
|
|
scsi_tgt_priv_data->wslen = tgt_dev->wslen;
|
|
if (tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_VD)
|
|
scsi_tgt_priv_data->throttle_group = tgt_dev->dev_spec.vd_inf.tg;
|
|
} else
|
|
retval = -ENXIO;
|
|
} else if (mrioc->sas_transport_enabled && !starget->channel) {
|
|
rphy = dev_to_rphy(starget->dev.parent);
|
|
tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc,
|
|
rphy->identify.sas_address, rphy);
|
|
if (tgt_dev && !tgt_dev->is_hidden && !tgt_dev->non_stl &&
|
|
(tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_SAS_SATA)) {
|
|
scsi_tgt_priv_data->starget = starget;
|
|
scsi_tgt_priv_data->dev_handle = tgt_dev->dev_handle;
|
|
scsi_tgt_priv_data->perst_id = tgt_dev->perst_id;
|
|
scsi_tgt_priv_data->dev_type = tgt_dev->dev_type;
|
|
scsi_tgt_priv_data->tgt_dev = tgt_dev;
|
|
scsi_tgt_priv_data->io_throttle_enabled = tgt_dev->io_throttle_enabled;
|
|
scsi_tgt_priv_data->wslen = tgt_dev->wslen;
|
|
tgt_dev->starget = starget;
|
|
atomic_set(&scsi_tgt_priv_data->block_io, 0);
|
|
retval = 0;
|
|
} else
|
|
retval = -ENXIO;
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_check_return_unmap - Whether an unmap is allowed
|
|
* @mrioc: Adapter instance reference
|
|
* @scmd: SCSI Command reference
|
|
*
|
|
* The controller hardware cannot handle certain unmap commands
|
|
* for NVMe drives, this routine checks those and return true
|
|
* and completes the SCSI command with proper status and sense
|
|
* data.
|
|
*
|
|
* Return: TRUE for not allowed unmap, FALSE otherwise.
|
|
*/
|
|
static bool mpi3mr_check_return_unmap(struct mpi3mr_ioc *mrioc,
|
|
struct scsi_cmnd *scmd)
|
|
{
|
|
unsigned char *buf;
|
|
u16 param_len, desc_len, trunc_param_len;
|
|
|
|
trunc_param_len = param_len = get_unaligned_be16(scmd->cmnd + 7);
|
|
|
|
if (mrioc->pdev->revision) {
|
|
if ((param_len > 24) && ((param_len - 8) & 0xF)) {
|
|
trunc_param_len -= (param_len - 8) & 0xF;
|
|
dprint_scsi_command(mrioc, scmd, MPI3_DEBUG_SCSI_ERROR);
|
|
dprint_scsi_err(mrioc,
|
|
"truncating param_len from (%d) to (%d)\n",
|
|
param_len, trunc_param_len);
|
|
put_unaligned_be16(trunc_param_len, scmd->cmnd + 7);
|
|
dprint_scsi_command(mrioc, scmd, MPI3_DEBUG_SCSI_ERROR);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (!param_len) {
|
|
ioc_warn(mrioc,
|
|
"%s: cdb received with zero parameter length\n",
|
|
__func__);
|
|
scsi_print_command(scmd);
|
|
scmd->result = DID_OK << 16;
|
|
scsi_done(scmd);
|
|
return true;
|
|
}
|
|
|
|
if (param_len < 24) {
|
|
ioc_warn(mrioc,
|
|
"%s: cdb received with invalid param_len: %d\n",
|
|
__func__, param_len);
|
|
scsi_print_command(scmd);
|
|
scmd->result = SAM_STAT_CHECK_CONDITION;
|
|
scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x1A, 0);
|
|
scsi_done(scmd);
|
|
return true;
|
|
}
|
|
if (param_len != scsi_bufflen(scmd)) {
|
|
ioc_warn(mrioc,
|
|
"%s: cdb received with param_len: %d bufflen: %d\n",
|
|
__func__, param_len, scsi_bufflen(scmd));
|
|
scsi_print_command(scmd);
|
|
scmd->result = SAM_STAT_CHECK_CONDITION;
|
|
scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x1A, 0);
|
|
scsi_done(scmd);
|
|
return true;
|
|
}
|
|
buf = kzalloc(scsi_bufflen(scmd), GFP_ATOMIC);
|
|
if (!buf) {
|
|
scsi_print_command(scmd);
|
|
scmd->result = SAM_STAT_CHECK_CONDITION;
|
|
scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x55, 0x03);
|
|
scsi_done(scmd);
|
|
return true;
|
|
}
|
|
scsi_sg_copy_to_buffer(scmd, buf, scsi_bufflen(scmd));
|
|
desc_len = get_unaligned_be16(&buf[2]);
|
|
|
|
if (desc_len < 16) {
|
|
ioc_warn(mrioc,
|
|
"%s: Invalid descriptor length in param list: %d\n",
|
|
__func__, desc_len);
|
|
scsi_print_command(scmd);
|
|
scmd->result = SAM_STAT_CHECK_CONDITION;
|
|
scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x26, 0);
|
|
scsi_done(scmd);
|
|
kfree(buf);
|
|
return true;
|
|
}
|
|
|
|
if (param_len > (desc_len + 8)) {
|
|
trunc_param_len = desc_len + 8;
|
|
scsi_print_command(scmd);
|
|
dprint_scsi_err(mrioc,
|
|
"truncating param_len(%d) to desc_len+8(%d)\n",
|
|
param_len, trunc_param_len);
|
|
put_unaligned_be16(trunc_param_len, scmd->cmnd + 7);
|
|
scsi_print_command(scmd);
|
|
}
|
|
|
|
kfree(buf);
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_allow_scmd_to_fw - Command is allowed during shutdown
|
|
* @scmd: SCSI Command reference
|
|
*
|
|
* Checks whether a cdb is allowed during shutdown or not.
|
|
*
|
|
* Return: TRUE for allowed commands, FALSE otherwise.
|
|
*/
|
|
|
|
inline bool mpi3mr_allow_scmd_to_fw(struct scsi_cmnd *scmd)
|
|
{
|
|
switch (scmd->cmnd[0]) {
|
|
case SYNCHRONIZE_CACHE:
|
|
case START_STOP:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_qcmd - I/O request despatcher
|
|
* @shost: SCSI Host reference
|
|
* @scmd: SCSI Command reference
|
|
*
|
|
* Issues the SCSI Command as an MPI3 request.
|
|
*
|
|
* Return: 0 on successful queueing of the request or if the
|
|
* request is completed with failure.
|
|
* SCSI_MLQUEUE_DEVICE_BUSY when the device is busy.
|
|
* SCSI_MLQUEUE_HOST_BUSY when the host queue is full.
|
|
*/
|
|
static int mpi3mr_qcmd(struct Scsi_Host *shost,
|
|
struct scsi_cmnd *scmd)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = shost_priv(shost);
|
|
struct mpi3mr_stgt_priv_data *stgt_priv_data;
|
|
struct mpi3mr_sdev_priv_data *sdev_priv_data;
|
|
struct scmd_priv *scmd_priv_data = NULL;
|
|
struct mpi3_scsi_io_request *scsiio_req = NULL;
|
|
struct op_req_qinfo *op_req_q = NULL;
|
|
int retval = 0;
|
|
u16 dev_handle;
|
|
u16 host_tag;
|
|
u32 scsiio_flags = 0, data_len_blks = 0;
|
|
struct request *rq = scsi_cmd_to_rq(scmd);
|
|
int iprio_class;
|
|
u8 is_pcie_dev = 0;
|
|
u32 tracked_io_sz = 0;
|
|
u32 ioc_pend_data_len = 0, tg_pend_data_len = 0;
|
|
struct mpi3mr_throttle_group_info *tg = NULL;
|
|
|
|
if (mrioc->unrecoverable) {
|
|
scmd->result = DID_ERROR << 16;
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
|
|
sdev_priv_data = scmd->device->hostdata;
|
|
if (!sdev_priv_data || !sdev_priv_data->tgt_priv_data) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
|
|
if (mrioc->stop_drv_processing &&
|
|
!(mpi3mr_allow_scmd_to_fw(scmd))) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
|
|
stgt_priv_data = sdev_priv_data->tgt_priv_data;
|
|
dev_handle = stgt_priv_data->dev_handle;
|
|
|
|
/* Avoid error handling escalation when device is removed or blocked */
|
|
|
|
if (scmd->device->host->shost_state == SHOST_RECOVERY &&
|
|
scmd->cmnd[0] == TEST_UNIT_READY &&
|
|
(stgt_priv_data->dev_removed || (dev_handle == MPI3MR_INVALID_DEV_HANDLE))) {
|
|
scsi_build_sense(scmd, 0, UNIT_ATTENTION, 0x29, 0x07);
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
|
|
if (mrioc->reset_in_progress) {
|
|
retval = SCSI_MLQUEUE_HOST_BUSY;
|
|
goto out;
|
|
}
|
|
|
|
if (atomic_read(&stgt_priv_data->block_io)) {
|
|
if (mrioc->stop_drv_processing) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
retval = SCSI_MLQUEUE_DEVICE_BUSY;
|
|
goto out;
|
|
}
|
|
|
|
if (dev_handle == MPI3MR_INVALID_DEV_HANDLE) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
if (stgt_priv_data->dev_removed) {
|
|
scmd->result = DID_NO_CONNECT << 16;
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
|
|
if (stgt_priv_data->dev_type == MPI3_DEVICE_DEVFORM_PCIE)
|
|
is_pcie_dev = 1;
|
|
if ((scmd->cmnd[0] == UNMAP) && is_pcie_dev &&
|
|
(mrioc->pdev->device == MPI3_MFGPAGE_DEVID_SAS4116) &&
|
|
mpi3mr_check_return_unmap(mrioc, scmd))
|
|
goto out;
|
|
|
|
host_tag = mpi3mr_host_tag_for_scmd(mrioc, scmd);
|
|
if (host_tag == MPI3MR_HOSTTAG_INVALID) {
|
|
scmd->result = DID_ERROR << 16;
|
|
scsi_done(scmd);
|
|
goto out;
|
|
}
|
|
|
|
if (scmd->sc_data_direction == DMA_FROM_DEVICE)
|
|
scsiio_flags = MPI3_SCSIIO_FLAGS_DATADIRECTION_READ;
|
|
else if (scmd->sc_data_direction == DMA_TO_DEVICE)
|
|
scsiio_flags = MPI3_SCSIIO_FLAGS_DATADIRECTION_WRITE;
|
|
else
|
|
scsiio_flags = MPI3_SCSIIO_FLAGS_DATADIRECTION_NO_DATA_TRANSFER;
|
|
|
|
scsiio_flags |= MPI3_SCSIIO_FLAGS_TASKATTRIBUTE_SIMPLEQ;
|
|
|
|
if (sdev_priv_data->ncq_prio_enable) {
|
|
iprio_class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
|
|
if (iprio_class == IOPRIO_CLASS_RT)
|
|
scsiio_flags |= 1 << MPI3_SCSIIO_FLAGS_CMDPRI_SHIFT;
|
|
}
|
|
|
|
if (scmd->cmd_len > 16)
|
|
scsiio_flags |= MPI3_SCSIIO_FLAGS_CDB_GREATER_THAN_16;
|
|
|
|
scmd_priv_data = scsi_cmd_priv(scmd);
|
|
memset(scmd_priv_data->mpi3mr_scsiio_req, 0, MPI3MR_ADMIN_REQ_FRAME_SZ);
|
|
scsiio_req = (struct mpi3_scsi_io_request *)scmd_priv_data->mpi3mr_scsiio_req;
|
|
scsiio_req->function = MPI3_FUNCTION_SCSI_IO;
|
|
scsiio_req->host_tag = cpu_to_le16(host_tag);
|
|
|
|
mpi3mr_setup_eedp(mrioc, scmd, scsiio_req);
|
|
|
|
if (stgt_priv_data->wslen)
|
|
mpi3mr_setup_divert_ws(mrioc, scmd, scsiio_req, &scsiio_flags,
|
|
stgt_priv_data->wslen);
|
|
|
|
memcpy(scsiio_req->cdb.cdb32, scmd->cmnd, scmd->cmd_len);
|
|
scsiio_req->data_length = cpu_to_le32(scsi_bufflen(scmd));
|
|
scsiio_req->dev_handle = cpu_to_le16(dev_handle);
|
|
scsiio_req->flags = cpu_to_le32(scsiio_flags);
|
|
int_to_scsilun(sdev_priv_data->lun_id,
|
|
(struct scsi_lun *)scsiio_req->lun);
|
|
|
|
if (mpi3mr_build_sg_scmd(mrioc, scmd, scsiio_req)) {
|
|
mpi3mr_clear_scmd_priv(mrioc, scmd);
|
|
retval = SCSI_MLQUEUE_HOST_BUSY;
|
|
goto out;
|
|
}
|
|
op_req_q = &mrioc->req_qinfo[scmd_priv_data->req_q_idx];
|
|
data_len_blks = scsi_bufflen(scmd) >> 9;
|
|
if ((data_len_blks >= mrioc->io_throttle_data_length) &&
|
|
stgt_priv_data->io_throttle_enabled) {
|
|
tracked_io_sz = data_len_blks;
|
|
tg = stgt_priv_data->throttle_group;
|
|
if (tg) {
|
|
ioc_pend_data_len = atomic_add_return(data_len_blks,
|
|
&mrioc->pend_large_data_sz);
|
|
tg_pend_data_len = atomic_add_return(data_len_blks,
|
|
&tg->pend_large_data_sz);
|
|
if (!tg->io_divert && ((ioc_pend_data_len >=
|
|
mrioc->io_throttle_high) ||
|
|
(tg_pend_data_len >= tg->high))) {
|
|
tg->io_divert = 1;
|
|
tg->need_qd_reduction = 1;
|
|
mpi3mr_set_io_divert_for_all_vd_in_tg(mrioc,
|
|
tg, 1);
|
|
mpi3mr_queue_qd_reduction_event(mrioc, tg);
|
|
}
|
|
} else {
|
|
ioc_pend_data_len = atomic_add_return(data_len_blks,
|
|
&mrioc->pend_large_data_sz);
|
|
if (ioc_pend_data_len >= mrioc->io_throttle_high)
|
|
stgt_priv_data->io_divert = 1;
|
|
}
|
|
}
|
|
|
|
if (stgt_priv_data->io_divert) {
|
|
scsiio_req->msg_flags |=
|
|
MPI3_SCSIIO_MSGFLAGS_DIVERT_TO_FIRMWARE;
|
|
scsiio_flags |= MPI3_SCSIIO_FLAGS_DIVERT_REASON_IO_THROTTLING;
|
|
}
|
|
scsiio_req->flags = cpu_to_le32(scsiio_flags);
|
|
|
|
if (mpi3mr_op_request_post(mrioc, op_req_q,
|
|
scmd_priv_data->mpi3mr_scsiio_req)) {
|
|
mpi3mr_clear_scmd_priv(mrioc, scmd);
|
|
retval = SCSI_MLQUEUE_HOST_BUSY;
|
|
if (tracked_io_sz) {
|
|
atomic_sub(tracked_io_sz, &mrioc->pend_large_data_sz);
|
|
if (tg)
|
|
atomic_sub(tracked_io_sz,
|
|
&tg->pend_large_data_sz);
|
|
}
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return retval;
|
|
}
|
|
|
|
static const struct scsi_host_template mpi3mr_driver_template = {
|
|
.module = THIS_MODULE,
|
|
.name = "MPI3 Storage Controller",
|
|
.proc_name = MPI3MR_DRIVER_NAME,
|
|
.queuecommand = mpi3mr_qcmd,
|
|
.target_alloc = mpi3mr_target_alloc,
|
|
.slave_alloc = mpi3mr_slave_alloc,
|
|
.slave_configure = mpi3mr_slave_configure,
|
|
.target_destroy = mpi3mr_target_destroy,
|
|
.slave_destroy = mpi3mr_slave_destroy,
|
|
.scan_finished = mpi3mr_scan_finished,
|
|
.scan_start = mpi3mr_scan_start,
|
|
.change_queue_depth = mpi3mr_change_queue_depth,
|
|
.eh_device_reset_handler = mpi3mr_eh_dev_reset,
|
|
.eh_target_reset_handler = mpi3mr_eh_target_reset,
|
|
.eh_bus_reset_handler = mpi3mr_eh_bus_reset,
|
|
.eh_host_reset_handler = mpi3mr_eh_host_reset,
|
|
.bios_param = mpi3mr_bios_param,
|
|
.map_queues = mpi3mr_map_queues,
|
|
.mq_poll = mpi3mr_blk_mq_poll,
|
|
.no_write_same = 1,
|
|
.can_queue = 1,
|
|
.this_id = -1,
|
|
.sg_tablesize = MPI3MR_DEFAULT_SGL_ENTRIES,
|
|
/* max xfer supported is 1M (2K in 512 byte sized sectors)
|
|
*/
|
|
.max_sectors = (MPI3MR_DEFAULT_MAX_IO_SIZE / 512),
|
|
.cmd_per_lun = MPI3MR_MAX_CMDS_LUN,
|
|
.max_segment_size = 0xffffffff,
|
|
.track_queue_depth = 1,
|
|
.cmd_size = sizeof(struct scmd_priv),
|
|
.shost_groups = mpi3mr_host_groups,
|
|
.sdev_groups = mpi3mr_dev_groups,
|
|
};
|
|
|
|
/**
|
|
* mpi3mr_init_drv_cmd - Initialize internal command tracker
|
|
* @cmdptr: Internal command tracker
|
|
* @host_tag: Host tag used for the specific command
|
|
*
|
|
* Initialize the internal command tracker structure with
|
|
* specified host tag.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static inline void mpi3mr_init_drv_cmd(struct mpi3mr_drv_cmd *cmdptr,
|
|
u16 host_tag)
|
|
{
|
|
mutex_init(&cmdptr->mutex);
|
|
cmdptr->reply = NULL;
|
|
cmdptr->state = MPI3MR_CMD_NOTUSED;
|
|
cmdptr->dev_handle = MPI3MR_INVALID_DEV_HANDLE;
|
|
cmdptr->host_tag = host_tag;
|
|
}
|
|
|
|
/**
|
|
* osintfc_mrioc_security_status -Check controller secure status
|
|
* @pdev: PCI device instance
|
|
*
|
|
* Read the Device Serial Number capability from PCI config
|
|
* space and decide whether the controller is secure or not.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
static int
|
|
osintfc_mrioc_security_status(struct pci_dev *pdev)
|
|
{
|
|
u32 cap_data;
|
|
int base;
|
|
u32 ctlr_status;
|
|
u32 debug_status;
|
|
int retval = 0;
|
|
|
|
base = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_DSN);
|
|
if (!base) {
|
|
dev_err(&pdev->dev,
|
|
"%s: PCI_EXT_CAP_ID_DSN is not supported\n", __func__);
|
|
return -1;
|
|
}
|
|
|
|
pci_read_config_dword(pdev, base + 4, &cap_data);
|
|
|
|
debug_status = cap_data & MPI3MR_CTLR_SECURE_DBG_STATUS_MASK;
|
|
ctlr_status = cap_data & MPI3MR_CTLR_SECURITY_STATUS_MASK;
|
|
|
|
switch (ctlr_status) {
|
|
case MPI3MR_INVALID_DEVICE:
|
|
dev_err(&pdev->dev,
|
|
"%s: Non secure ctlr (Invalid) is detected: DID: 0x%x: SVID: 0x%x: SDID: 0x%x\n",
|
|
__func__, pdev->device, pdev->subsystem_vendor,
|
|
pdev->subsystem_device);
|
|
retval = -1;
|
|
break;
|
|
case MPI3MR_CONFIG_SECURE_DEVICE:
|
|
if (!debug_status)
|
|
dev_info(&pdev->dev,
|
|
"%s: Config secure ctlr is detected\n",
|
|
__func__);
|
|
break;
|
|
case MPI3MR_HARD_SECURE_DEVICE:
|
|
break;
|
|
case MPI3MR_TAMPERED_DEVICE:
|
|
dev_err(&pdev->dev,
|
|
"%s: Non secure ctlr (Tampered) is detected: DID: 0x%x: SVID: 0x%x: SDID: 0x%x\n",
|
|
__func__, pdev->device, pdev->subsystem_vendor,
|
|
pdev->subsystem_device);
|
|
retval = -1;
|
|
break;
|
|
default:
|
|
retval = -1;
|
|
break;
|
|
}
|
|
|
|
if (!retval && debug_status) {
|
|
dev_err(&pdev->dev,
|
|
"%s: Non secure ctlr (Secure Dbg) is detected: DID: 0x%x: SVID: 0x%x: SDID: 0x%x\n",
|
|
__func__, pdev->device, pdev->subsystem_vendor,
|
|
pdev->subsystem_device);
|
|
retval = -1;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_probe - PCI probe callback
|
|
* @pdev: PCI device instance
|
|
* @id: PCI device ID details
|
|
*
|
|
* controller initialization routine. Checks the security status
|
|
* of the controller and if it is invalid or tampered return the
|
|
* probe without initializing the controller. Otherwise,
|
|
* allocate per adapter instance through shost_priv and
|
|
* initialize controller specific data structures, initializae
|
|
* the controller hardware, add shost to the SCSI subsystem.
|
|
*
|
|
* Return: 0 on success, non-zero on failure.
|
|
*/
|
|
|
|
static int
|
|
mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
struct mpi3mr_ioc *mrioc = NULL;
|
|
struct Scsi_Host *shost = NULL;
|
|
int retval = 0, i;
|
|
|
|
if (osintfc_mrioc_security_status(pdev)) {
|
|
warn_non_secure_ctlr = 1;
|
|
return 1; /* For Invalid and Tampered device */
|
|
}
|
|
|
|
shost = scsi_host_alloc(&mpi3mr_driver_template,
|
|
sizeof(struct mpi3mr_ioc));
|
|
if (!shost) {
|
|
retval = -ENODEV;
|
|
goto shost_failed;
|
|
}
|
|
|
|
mrioc = shost_priv(shost);
|
|
mrioc->id = mrioc_ids++;
|
|
sprintf(mrioc->driver_name, "%s", MPI3MR_DRIVER_NAME);
|
|
sprintf(mrioc->name, "%s%d", mrioc->driver_name, mrioc->id);
|
|
INIT_LIST_HEAD(&mrioc->list);
|
|
spin_lock(&mrioc_list_lock);
|
|
list_add_tail(&mrioc->list, &mrioc_list);
|
|
spin_unlock(&mrioc_list_lock);
|
|
|
|
spin_lock_init(&mrioc->admin_req_lock);
|
|
spin_lock_init(&mrioc->reply_free_queue_lock);
|
|
spin_lock_init(&mrioc->sbq_lock);
|
|
spin_lock_init(&mrioc->fwevt_lock);
|
|
spin_lock_init(&mrioc->tgtdev_lock);
|
|
spin_lock_init(&mrioc->watchdog_lock);
|
|
spin_lock_init(&mrioc->chain_buf_lock);
|
|
spin_lock_init(&mrioc->sas_node_lock);
|
|
|
|
INIT_LIST_HEAD(&mrioc->fwevt_list);
|
|
INIT_LIST_HEAD(&mrioc->tgtdev_list);
|
|
INIT_LIST_HEAD(&mrioc->delayed_rmhs_list);
|
|
INIT_LIST_HEAD(&mrioc->delayed_evtack_cmds_list);
|
|
INIT_LIST_HEAD(&mrioc->sas_expander_list);
|
|
INIT_LIST_HEAD(&mrioc->hba_port_table_list);
|
|
INIT_LIST_HEAD(&mrioc->enclosure_list);
|
|
|
|
mutex_init(&mrioc->reset_mutex);
|
|
mpi3mr_init_drv_cmd(&mrioc->init_cmds, MPI3MR_HOSTTAG_INITCMDS);
|
|
mpi3mr_init_drv_cmd(&mrioc->host_tm_cmds, MPI3MR_HOSTTAG_BLK_TMS);
|
|
mpi3mr_init_drv_cmd(&mrioc->bsg_cmds, MPI3MR_HOSTTAG_BSG_CMDS);
|
|
mpi3mr_init_drv_cmd(&mrioc->cfg_cmds, MPI3MR_HOSTTAG_CFG_CMDS);
|
|
mpi3mr_init_drv_cmd(&mrioc->transport_cmds,
|
|
MPI3MR_HOSTTAG_TRANSPORT_CMDS);
|
|
|
|
for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++)
|
|
mpi3mr_init_drv_cmd(&mrioc->dev_rmhs_cmds[i],
|
|
MPI3MR_HOSTTAG_DEVRMCMD_MIN + i);
|
|
|
|
for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++)
|
|
mpi3mr_init_drv_cmd(&mrioc->evtack_cmds[i],
|
|
MPI3MR_HOSTTAG_EVTACKCMD_MIN + i);
|
|
|
|
if (pdev->revision)
|
|
mrioc->enable_segqueue = true;
|
|
|
|
init_waitqueue_head(&mrioc->reset_waitq);
|
|
mrioc->logging_level = logging_level;
|
|
mrioc->shost = shost;
|
|
mrioc->pdev = pdev;
|
|
mrioc->stop_bsgs = 1;
|
|
|
|
mrioc->max_sgl_entries = max_sgl_entries;
|
|
if (max_sgl_entries > MPI3MR_MAX_SGL_ENTRIES)
|
|
mrioc->max_sgl_entries = MPI3MR_MAX_SGL_ENTRIES;
|
|
else if (max_sgl_entries < MPI3MR_DEFAULT_SGL_ENTRIES)
|
|
mrioc->max_sgl_entries = MPI3MR_DEFAULT_SGL_ENTRIES;
|
|
else {
|
|
mrioc->max_sgl_entries /= MPI3MR_DEFAULT_SGL_ENTRIES;
|
|
mrioc->max_sgl_entries *= MPI3MR_DEFAULT_SGL_ENTRIES;
|
|
}
|
|
|
|
/* init shost parameters */
|
|
shost->max_cmd_len = MPI3MR_MAX_CDB_LENGTH;
|
|
shost->max_lun = -1;
|
|
shost->unique_id = mrioc->id;
|
|
|
|
shost->max_channel = 0;
|
|
shost->max_id = 0xFFFFFFFF;
|
|
|
|
shost->host_tagset = 1;
|
|
|
|
if (prot_mask >= 0)
|
|
scsi_host_set_prot(shost, prot_mask);
|
|
else {
|
|
prot_mask = SHOST_DIF_TYPE1_PROTECTION
|
|
| SHOST_DIF_TYPE2_PROTECTION
|
|
| SHOST_DIF_TYPE3_PROTECTION;
|
|
scsi_host_set_prot(shost, prot_mask);
|
|
}
|
|
|
|
ioc_info(mrioc,
|
|
"%s :host protection capabilities enabled %s%s%s%s%s%s%s\n",
|
|
__func__,
|
|
(prot_mask & SHOST_DIF_TYPE1_PROTECTION) ? " DIF1" : "",
|
|
(prot_mask & SHOST_DIF_TYPE2_PROTECTION) ? " DIF2" : "",
|
|
(prot_mask & SHOST_DIF_TYPE3_PROTECTION) ? " DIF3" : "",
|
|
(prot_mask & SHOST_DIX_TYPE0_PROTECTION) ? " DIX0" : "",
|
|
(prot_mask & SHOST_DIX_TYPE1_PROTECTION) ? " DIX1" : "",
|
|
(prot_mask & SHOST_DIX_TYPE2_PROTECTION) ? " DIX2" : "",
|
|
(prot_mask & SHOST_DIX_TYPE3_PROTECTION) ? " DIX3" : "");
|
|
|
|
if (prot_guard_mask)
|
|
scsi_host_set_guard(shost, (prot_guard_mask & 3));
|
|
else
|
|
scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
|
|
|
|
snprintf(mrioc->fwevt_worker_name, sizeof(mrioc->fwevt_worker_name),
|
|
"%s%d_fwevt_wrkr", mrioc->driver_name, mrioc->id);
|
|
mrioc->fwevt_worker_thread = alloc_ordered_workqueue(
|
|
mrioc->fwevt_worker_name, 0);
|
|
if (!mrioc->fwevt_worker_thread) {
|
|
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
|
|
__FILE__, __LINE__, __func__);
|
|
retval = -ENODEV;
|
|
goto fwevtthread_failed;
|
|
}
|
|
|
|
mrioc->is_driver_loading = 1;
|
|
mrioc->cpu_count = num_online_cpus();
|
|
if (mpi3mr_setup_resources(mrioc)) {
|
|
ioc_err(mrioc, "setup resources failed\n");
|
|
retval = -ENODEV;
|
|
goto resource_alloc_failed;
|
|
}
|
|
if (mpi3mr_init_ioc(mrioc)) {
|
|
ioc_err(mrioc, "initializing IOC failed\n");
|
|
retval = -ENODEV;
|
|
goto init_ioc_failed;
|
|
}
|
|
|
|
shost->nr_hw_queues = mrioc->num_op_reply_q;
|
|
if (mrioc->active_poll_qcount)
|
|
shost->nr_maps = 3;
|
|
|
|
shost->can_queue = mrioc->max_host_ios;
|
|
shost->sg_tablesize = mrioc->max_sgl_entries;
|
|
shost->max_id = mrioc->facts.max_perids + 1;
|
|
|
|
retval = scsi_add_host(shost, &pdev->dev);
|
|
if (retval) {
|
|
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
|
|
__FILE__, __LINE__, __func__);
|
|
goto addhost_failed;
|
|
}
|
|
|
|
scsi_scan_host(shost);
|
|
mpi3mr_bsg_init(mrioc);
|
|
return retval;
|
|
|
|
addhost_failed:
|
|
mpi3mr_stop_watchdog(mrioc);
|
|
mpi3mr_cleanup_ioc(mrioc);
|
|
init_ioc_failed:
|
|
mpi3mr_free_mem(mrioc);
|
|
mpi3mr_cleanup_resources(mrioc);
|
|
resource_alloc_failed:
|
|
destroy_workqueue(mrioc->fwevt_worker_thread);
|
|
fwevtthread_failed:
|
|
spin_lock(&mrioc_list_lock);
|
|
list_del(&mrioc->list);
|
|
spin_unlock(&mrioc_list_lock);
|
|
scsi_host_put(shost);
|
|
shost_failed:
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_remove - PCI remove callback
|
|
* @pdev: PCI device instance
|
|
*
|
|
* Cleanup the IOC by issuing MUR and shutdown notification.
|
|
* Free up all memory and resources associated with the
|
|
* controllerand target devices, unregister the shost.
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_remove(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct mpi3mr_ioc *mrioc;
|
|
struct workqueue_struct *wq;
|
|
unsigned long flags;
|
|
struct mpi3mr_tgt_dev *tgtdev, *tgtdev_next;
|
|
struct mpi3mr_hba_port *port, *hba_port_next;
|
|
struct mpi3mr_sas_node *sas_expander, *sas_expander_next;
|
|
|
|
if (!shost)
|
|
return;
|
|
|
|
mrioc = shost_priv(shost);
|
|
while (mrioc->reset_in_progress || mrioc->is_driver_loading)
|
|
ssleep(1);
|
|
|
|
if (!pci_device_is_present(mrioc->pdev)) {
|
|
mrioc->unrecoverable = 1;
|
|
mpi3mr_flush_cmds_for_unrecovered_controller(mrioc);
|
|
}
|
|
|
|
mpi3mr_bsg_exit(mrioc);
|
|
mrioc->stop_drv_processing = 1;
|
|
mpi3mr_cleanup_fwevt_list(mrioc);
|
|
spin_lock_irqsave(&mrioc->fwevt_lock, flags);
|
|
wq = mrioc->fwevt_worker_thread;
|
|
mrioc->fwevt_worker_thread = NULL;
|
|
spin_unlock_irqrestore(&mrioc->fwevt_lock, flags);
|
|
if (wq)
|
|
destroy_workqueue(wq);
|
|
|
|
if (mrioc->sas_transport_enabled)
|
|
sas_remove_host(shost);
|
|
else
|
|
scsi_remove_host(shost);
|
|
|
|
list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list,
|
|
list) {
|
|
mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev);
|
|
mpi3mr_tgtdev_del_from_list(mrioc, tgtdev, true);
|
|
mpi3mr_tgtdev_put(tgtdev);
|
|
}
|
|
mpi3mr_stop_watchdog(mrioc);
|
|
mpi3mr_cleanup_ioc(mrioc);
|
|
mpi3mr_free_mem(mrioc);
|
|
mpi3mr_cleanup_resources(mrioc);
|
|
|
|
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
|
|
list_for_each_entry_safe_reverse(sas_expander, sas_expander_next,
|
|
&mrioc->sas_expander_list, list) {
|
|
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
|
|
mpi3mr_expander_node_remove(mrioc, sas_expander);
|
|
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
|
|
}
|
|
list_for_each_entry_safe(port, hba_port_next, &mrioc->hba_port_table_list, list) {
|
|
ioc_info(mrioc,
|
|
"removing hba_port entry: %p port: %d from hba_port list\n",
|
|
port, port->port_id);
|
|
list_del(&port->list);
|
|
kfree(port);
|
|
}
|
|
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
|
|
|
|
if (mrioc->sas_hba.num_phys) {
|
|
kfree(mrioc->sas_hba.phy);
|
|
mrioc->sas_hba.phy = NULL;
|
|
mrioc->sas_hba.num_phys = 0;
|
|
}
|
|
|
|
spin_lock(&mrioc_list_lock);
|
|
list_del(&mrioc->list);
|
|
spin_unlock(&mrioc_list_lock);
|
|
|
|
scsi_host_put(shost);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_shutdown - PCI shutdown callback
|
|
* @pdev: PCI device instance
|
|
*
|
|
* Free up all memory and resources associated with the
|
|
* controller
|
|
*
|
|
* Return: Nothing.
|
|
*/
|
|
static void mpi3mr_shutdown(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct mpi3mr_ioc *mrioc;
|
|
struct workqueue_struct *wq;
|
|
unsigned long flags;
|
|
|
|
if (!shost)
|
|
return;
|
|
|
|
mrioc = shost_priv(shost);
|
|
while (mrioc->reset_in_progress || mrioc->is_driver_loading)
|
|
ssleep(1);
|
|
|
|
mrioc->stop_drv_processing = 1;
|
|
mpi3mr_cleanup_fwevt_list(mrioc);
|
|
spin_lock_irqsave(&mrioc->fwevt_lock, flags);
|
|
wq = mrioc->fwevt_worker_thread;
|
|
mrioc->fwevt_worker_thread = NULL;
|
|
spin_unlock_irqrestore(&mrioc->fwevt_lock, flags);
|
|
if (wq)
|
|
destroy_workqueue(wq);
|
|
|
|
mpi3mr_stop_watchdog(mrioc);
|
|
mpi3mr_cleanup_ioc(mrioc);
|
|
mpi3mr_cleanup_resources(mrioc);
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_suspend - PCI power management suspend callback
|
|
* @dev: Device struct
|
|
*
|
|
* Change the power state to the given value and cleanup the IOC
|
|
* by issuing MUR and shutdown notification
|
|
*
|
|
* Return: 0 always.
|
|
*/
|
|
static int __maybe_unused
|
|
mpi3mr_suspend(struct device *dev)
|
|
{
|
|
struct pci_dev *pdev = to_pci_dev(dev);
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct mpi3mr_ioc *mrioc;
|
|
|
|
if (!shost)
|
|
return 0;
|
|
|
|
mrioc = shost_priv(shost);
|
|
while (mrioc->reset_in_progress || mrioc->is_driver_loading)
|
|
ssleep(1);
|
|
mrioc->stop_drv_processing = 1;
|
|
mpi3mr_cleanup_fwevt_list(mrioc);
|
|
scsi_block_requests(shost);
|
|
mpi3mr_stop_watchdog(mrioc);
|
|
mpi3mr_cleanup_ioc(mrioc);
|
|
|
|
ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state\n",
|
|
pdev, pci_name(pdev));
|
|
mpi3mr_cleanup_resources(mrioc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpi3mr_resume - PCI power management resume callback
|
|
* @dev: Device struct
|
|
*
|
|
* Restore the power state to D0 and reinitialize the controller
|
|
* and resume I/O operations to the target devices
|
|
*
|
|
* Return: 0 on success, non-zero on failure
|
|
*/
|
|
static int __maybe_unused
|
|
mpi3mr_resume(struct device *dev)
|
|
{
|
|
struct pci_dev *pdev = to_pci_dev(dev);
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct mpi3mr_ioc *mrioc;
|
|
pci_power_t device_state = pdev->current_state;
|
|
int r;
|
|
|
|
if (!shost)
|
|
return 0;
|
|
|
|
mrioc = shost_priv(shost);
|
|
|
|
ioc_info(mrioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
|
|
pdev, pci_name(pdev), device_state);
|
|
mrioc->pdev = pdev;
|
|
mrioc->cpu_count = num_online_cpus();
|
|
r = mpi3mr_setup_resources(mrioc);
|
|
if (r) {
|
|
ioc_info(mrioc, "%s: Setup resources failed[%d]\n",
|
|
__func__, r);
|
|
return r;
|
|
}
|
|
|
|
mrioc->stop_drv_processing = 0;
|
|
mpi3mr_invalidate_devhandles(mrioc);
|
|
mpi3mr_free_enclosure_list(mrioc);
|
|
mpi3mr_memset_buffers(mrioc);
|
|
r = mpi3mr_reinit_ioc(mrioc, 1);
|
|
if (r) {
|
|
ioc_err(mrioc, "resuming controller failed[%d]\n", r);
|
|
return r;
|
|
}
|
|
ssleep(MPI3MR_RESET_TOPOLOGY_SETTLE_TIME);
|
|
scsi_unblock_requests(shost);
|
|
mrioc->device_refresh_on = 0;
|
|
mpi3mr_start_watchdog(mrioc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct pci_device_id mpi3mr_pci_id_table[] = {
|
|
{
|
|
PCI_DEVICE_SUB(MPI3_MFGPAGE_VENDORID_BROADCOM,
|
|
MPI3_MFGPAGE_DEVID_SAS4116, PCI_ANY_ID, PCI_ANY_ID)
|
|
},
|
|
{ 0 }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, mpi3mr_pci_id_table);
|
|
|
|
static SIMPLE_DEV_PM_OPS(mpi3mr_pm_ops, mpi3mr_suspend, mpi3mr_resume);
|
|
|
|
static struct pci_driver mpi3mr_pci_driver = {
|
|
.name = MPI3MR_DRIVER_NAME,
|
|
.id_table = mpi3mr_pci_id_table,
|
|
.probe = mpi3mr_probe,
|
|
.remove = mpi3mr_remove,
|
|
.shutdown = mpi3mr_shutdown,
|
|
.driver.pm = &mpi3mr_pm_ops,
|
|
};
|
|
|
|
static ssize_t event_counter_show(struct device_driver *dd, char *buf)
|
|
{
|
|
return sprintf(buf, "%llu\n", atomic64_read(&event_counter));
|
|
}
|
|
static DRIVER_ATTR_RO(event_counter);
|
|
|
|
static int __init mpi3mr_init(void)
|
|
{
|
|
int ret_val;
|
|
|
|
pr_info("Loading %s version %s\n", MPI3MR_DRIVER_NAME,
|
|
MPI3MR_DRIVER_VERSION);
|
|
|
|
mpi3mr_transport_template =
|
|
sas_attach_transport(&mpi3mr_transport_functions);
|
|
if (!mpi3mr_transport_template) {
|
|
pr_err("%s failed to load due to sas transport attach failure\n",
|
|
MPI3MR_DRIVER_NAME);
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret_val = pci_register_driver(&mpi3mr_pci_driver);
|
|
if (ret_val) {
|
|
pr_err("%s failed to load due to pci register driver failure\n",
|
|
MPI3MR_DRIVER_NAME);
|
|
goto err_pci_reg_fail;
|
|
}
|
|
|
|
ret_val = driver_create_file(&mpi3mr_pci_driver.driver,
|
|
&driver_attr_event_counter);
|
|
if (ret_val)
|
|
goto err_event_counter;
|
|
|
|
return ret_val;
|
|
|
|
err_event_counter:
|
|
pci_unregister_driver(&mpi3mr_pci_driver);
|
|
|
|
err_pci_reg_fail:
|
|
sas_release_transport(mpi3mr_transport_template);
|
|
return ret_val;
|
|
}
|
|
|
|
static void __exit mpi3mr_exit(void)
|
|
{
|
|
if (warn_non_secure_ctlr)
|
|
pr_warn(
|
|
"Unloading %s version %s while managing a non secure controller\n",
|
|
MPI3MR_DRIVER_NAME, MPI3MR_DRIVER_VERSION);
|
|
else
|
|
pr_info("Unloading %s version %s\n", MPI3MR_DRIVER_NAME,
|
|
MPI3MR_DRIVER_VERSION);
|
|
|
|
driver_remove_file(&mpi3mr_pci_driver.driver,
|
|
&driver_attr_event_counter);
|
|
pci_unregister_driver(&mpi3mr_pci_driver);
|
|
sas_release_transport(mpi3mr_transport_template);
|
|
}
|
|
|
|
module_init(mpi3mr_init);
|
|
module_exit(mpi3mr_exit);
|