Date: Sun, 10 Jun 2018 21:25:30 -0500 From: Pedro Giffuni <pfg@FreeBSD.org> To: Marcelo Araujo <araujo@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r334940 - head/usr.sbin/bhyve Message-ID: <abd60ce7-de2a-686f-6127-6ed1e5653688@FreeBSD.org> In-Reply-To: <201806110209.w5B29Lni010557@repo.freebsd.org> References: <201806110209.w5B29Lni010557@repo.freebsd.org>
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On 10/06/2018 21:09, Marcelo Araujo wrote: > Author: araujo > Date: Mon Jun 11 02:09:20 2018 > New Revision: 334940 > URL: https://svnweb.freebsd.org/changeset/base/334940 > > Log: > - Add bhyve virtio-scsi storage backend support. > > Example of configuration: > ctl.conf: > portal-group pg0 { > discovery-auth-group no-authentication > listen 0.0.0.0 > listen [::] > } > > target iqn.2012-06.com.example:target0 { > auth-group no-authentication > portal-group pg0 > port ioctl/5/3 > > lun 0 { > path /z/test.img > size 8G > } > lun 1 { > path /z/test1.img > size 8G > } > } > > bhyve <...> -s 4,virtio-scsi,/dev/cam/ctl5.3,iid=3 <VM_NAME> > > From inside guest: > root@:~ # zpool status test > pool: test > state: ONLINE > scan: none requested > config: > > NAME STATE READ WRITE CKSUM > test ONLINE 0 0 0 > da0 ONLINE 0 0 0 > da1 ONLINE 0 0 0 > > dmesg: > da0 at vtscsi0 bus 0 scbus0 target 0 lun 0 > da0: <FREEBSD CTLDISK 0001> Fixed Direct Access SPC-5 SCSI device > da0: Serial Number MYSERIAL0000 > da0: 300.000MB/s transfers > da0: Command Queueing enabled > da0: 8192MB (16777216 512 byte sectors) > da1 at vtscsi0 bus 0 scbus0 target 0 lun 1 > da1: <FREEBSD CTLDISK 0001> Fixed Direct Access SPC-5 SCSI device > da1: Serial Number MYSERIAL0001 > da1: 300.000MB/s transfers > da1: Command Queueing enabled > da1: 8192MB (16777216 512 byte sectors) > > Discussed with: grehan > Reviewed by: mav > Obtained from: TrueOS > Relnotes: Yes > Sponsored by: iXsystems Inc. > Tested with: FreeBSD HEAD, Fedora 28 (Workstation) and > Ubuntu 18.04. > Differential Revision: https://reviews.freebsd.org/D15276 > > Added: > head/usr.sbin/bhyve/iov.c (contents, props changed) > head/usr.sbin/bhyve/iov.h (contents, props changed) > head/usr.sbin/bhyve/pci_virtio_scsi.c (contents, props changed) > Modified: > head/usr.sbin/bhyve/Makefile > head/usr.sbin/bhyve/bhyve.8 > head/usr.sbin/bhyve/virtio.h > > ... > Added: head/usr.sbin/bhyve/pci_virtio_scsi.c > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ head/usr.sbin/bhyve/pci_virtio_scsi.c Mon Jun 11 02:09:20 2018 (r334940) > @@ -0,0 +1,718 @@ > +/*- > + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD > + * > + * Copyright (c) 2016 Jakub Klama <jceel@FreeBSD.org>. > + * Copyright (c) 2018 Marcelo Araujo <araujo@FreeBSD.org>. > + * All rights reserved. > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions > + * are met: > + * 1. Redistributions of source code must retain the above copyright > + * notice, this list of conditions and the following disclaimer > + * in this position and unchanged. > + * 2. Redistributions in binary form must reproduce the above copyright > + * notice, this list of conditions and the following disclaimer in the > + * documentation and/or other materials provided with the distribution. > + * > + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND > + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE > + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE > + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE > + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL > + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS > + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) > + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT > + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY > + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF > + * SUCH DAMAGE. > + */ > + > +#include <sys/cdefs.h> > +__FBSDID("$FreeBSD$"); > + > +#include <sys/param.h> > +#include <sys/linker_set.h> > +#include <sys/types.h> > +#include <sys/uio.h> > +#include <sys/time.h> > +#include <sys/queue.h> > +#include <sys/sbuf.h> > + > +#include <errno.h> > +#include <fcntl.h> > +#include <stdio.h> > +#include <stdlib.h> > +#include <stdbool.h> > +#include <string.h> > +#include <unistd.h> > +#include <assert.h> > +#include <pthread.h> > +#include <pthread_np.h> > + > +#include <cam/scsi/scsi_all.h> > +#include <cam/scsi/scsi_message.h> > +#include <cam/ctl/ctl.h> > +#include <cam/ctl/ctl_io.h> > +#include <cam/ctl/ctl_backend.h> > +#include <cam/ctl/ctl_ioctl.h> > +#include <cam/ctl/ctl_util.h> > +#include <cam/ctl/ctl_scsi_all.h> > +#include <camlib.h> > + > +#include "bhyverun.h" > +#include "pci_emul.h" > +#include "virtio.h" > +#include "iov.h" > + > +#define VTSCSI_RINGSZ 64 > +#define VTSCSI_REQUESTQ 1 > +#define VTSCSI_THR_PER_Q 16 > +#define VTSCSI_MAXQ (VTSCSI_REQUESTQ + 2) > +#define VTSCSI_MAXSEG 64 > + > +#define VTSCSI_IN_HEADER_LEN(_sc) \ > + (sizeof(struct pci_vtscsi_req_cmd_rd) + _sc->vss_config.cdb_size) > + > +#define VTSCSI_OUT_HEADER_LEN(_sc) \ > + (sizeof(struct pci_vtscsi_req_cmd_wr) + _sc->vss_config.sense_size) > + > +#define VIRTIO_SCSI_MAX_CHANNEL 0 > +#define VIRTIO_SCSI_MAX_TARGET 0 > +#define VIRTIO_SCSI_MAX_LUN 16383 > + > +#define VIRTIO_SCSI_F_INOUT (1 << 0) > +#define VIRTIO_SCSI_F_HOTPLUG (1 << 1) > +#define VIRTIO_SCSI_F_CHANGE (1 << 2) > + TABS missing inconsistently after #define above ... > +static int pci_vtscsi_debug = 0; > +#define DPRINTF(params) if (pci_vtscsi_debug) printf params > +#define WPRINTF(params) printf params > + > +struct pci_vtscsi_config { > + uint32_t num_queues; > + uint32_t seg_max; > + uint32_t max_sectors; > + uint32_t cmd_per_lun; > + uint32_t event_info_size; > + uint32_t sense_size; > + uint32_t cdb_size; > + uint16_t max_channel; > + uint16_t max_target; > + uint32_t max_lun; > +} __attribute__((packed)); > + > +struct pci_vtscsi_queue { > + struct pci_vtscsi_softc * vsq_sc; > + struct vqueue_info * vsq_vq; > + int vsq_ctl_fd; > + pthread_mutex_t vsq_mtx; > + pthread_mutex_t vsq_qmtx; > + pthread_cond_t vsq_cv; > + STAILQ_HEAD(, pci_vtscsi_request) vsq_requests; > + LIST_HEAD(, pci_vtscsi_worker) vsq_workers; > +}; > + > +struct pci_vtscsi_worker { > + struct pci_vtscsi_queue * vsw_queue; > + pthread_t vsw_thread; > + bool vsw_exiting; > + LIST_ENTRY(pci_vtscsi_worker) vsw_link; > +}; > + > +struct pci_vtscsi_request { > + struct pci_vtscsi_queue * vsr_queue; > + struct iovec vsr_iov_in[VTSCSI_MAXSEG]; > + int vsr_niov_in; > + struct iovec vsr_iov_out[VTSCSI_MAXSEG]; > + int vsr_niov_out; > + uint32_t vsr_idx; > + STAILQ_ENTRY(pci_vtscsi_request) vsr_link; > +}; > + > +/* > + * Per-device softc > + */ > +struct pci_vtscsi_softc { > + struct virtio_softc vss_vs; > + struct vqueue_info vss_vq[VTSCSI_MAXQ]; > + struct pci_vtscsi_queue vss_queues[VTSCSI_REQUESTQ]; > + pthread_mutex_t vss_mtx; > + int vss_iid; > + int vss_ctl_fd; > + uint32_t vss_features; > + struct pci_vtscsi_config vss_config; > +}; > + > +#define VIRTIO_SCSI_T_TMF 0 > +#define VIRTIO_SCSI_T_TMF_ABORT_TASK 0 > +#define VIRTIO_SCSI_T_TMF_ABORT_TASK_SET 1 > +#define VIRTIO_SCSI_T_TMF_CLEAR_ACA 2 > +#define VIRTIO_SCSI_T_TMF_CLEAR_TASK_SET 3 > +#define VIRTIO_SCSI_T_TMF_I_T_NEXUS_RESET 4 > +#define VIRTIO_SCSI_T_TMF_LOGICAL_UNIT_RESET 5 > +#define VIRTIO_SCSI_T_TMF_QUERY_TASK 6 > +#define VIRTIO_SCSI_T_TMF_QUERY_TASK_SET 7 > + > +/* command-specific response values */ > +#define VIRTIO_SCSI_S_FUNCTION_COMPLETE 0 > +#define VIRTIO_SCSI_S_FUNCTION_SUCCEEDED 10 > +#define VIRTIO_SCSI_S_FUNCTION_REJECTED 11 > + and here above ... > +struct pci_vtscsi_ctrl_tmf { > + uint32_t type; > + uint32_t subtype; > + uint8_t lun[8]; > + uint64_t id; > + uint8_t response; > +} __attribute__((packed)); > + > +#define VIRTIO_SCSI_T_AN_QUERY 1 > +#define VIRTIO_SCSI_EVT_ASYNC_OPERATIONAL_CHANGE 2 > +#define VIRTIO_SCSI_EVT_ASYNC_POWER_MGMT 4 > +#define VIRTIO_SCSI_EVT_ASYNC_EXTERNAL_REQUEST 8 > +#define VIRTIO_SCSI_EVT_ASYNC_MEDIA_CHANGE 16 > +#define VIRTIO_SCSI_EVT_ASYNC_MULTI_HOST 32 > +#define VIRTIO_SCSI_EVT_ASYNC_DEVICE_BUSY 64 > + > +struct pci_vtscsi_ctrl_an { > + uint32_t type; > + uint8_t lun[8]; > + uint32_t event_requested; > + uint32_t event_actual; > + uint8_t response; > +} __attribute__((packed)); > + > +/* command-specific response values */ > +#define VIRTIO_SCSI_S_OK 0 > +#define VIRTIO_SCSI_S_OVERRUN 1 > +#define VIRTIO_SCSI_S_ABORTED 2 > +#define VIRTIO_SCSI_S_BAD_TARGET 3 > +#define VIRTIO_SCSI_S_RESET 4 > +#define VIRTIO_SCSI_S_BUSY 5 > +#define VIRTIO_SCSI_S_TRANSPORT_FAILURE 6 > +#define VIRTIO_SCSI_S_TARGET_FAILURE 7 > +#define VIRTIO_SCSI_S_NEXUS_FAILURE 8 > +#define VIRTIO_SCSI_S_FAILURE 9 > +#define VIRTIO_SCSI_S_INCORRECT_LUN 12 > + > +/* task_attr */ > +#define VIRTIO_SCSI_S_SIMPLE 0 > +#define VIRTIO_SCSI_S_ORDERED 1 > +#define VIRTIO_SCSI_S_HEAD 2 > +#define VIRTIO_SCSI_S_ACA 3 > + And here ... Pedro.
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