Differential D29708 Diff 91259 usr.sbin/bhyve/pci_virtio_scsi.c

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usr.sbin/bhyve/pci_virtio_scsi.c

Show First 20 Lines • Show All 250 Lines • ▼ Show 20 Lines	static struct virtio_consts vtscsi_vi_consts = {
"vtscsi", /* our name */		"vtscsi", /* our name */
VTSCSI_MAXQ, /* we support 2+n virtqueues */		VTSCSI_MAXQ, /* we support 2+n virtqueues */
sizeof(struct pci_vtscsi_config), /* config reg size */		sizeof(struct pci_vtscsi_config), /* config reg size */
pci_vtscsi_reset, /* reset */		pci_vtscsi_reset, /* reset */
NULL, /* device-wide qnotify */		NULL, /* device-wide qnotify */
pci_vtscsi_cfgread, /* read virtio config */		pci_vtscsi_cfgread, /* read virtio config */
pci_vtscsi_cfgwrite, /* write virtio config */		pci_vtscsi_cfgwrite, /* write virtio config */
pci_vtscsi_neg_features, /* apply negotiated features */		pci_vtscsi_neg_features, /* apply negotiated features */
0, /* our capabilities */		0, /* our capabilities (legacy) */
		0, /* our capabilities (modern) */
		true, /* Enable legacy */
		true, /* Enable modern */
		2, /* PCI BAR# for modern */
};		};

static void *		static void *
pci_vtscsi_proc(void *arg)		pci_vtscsi_proc(void *arg)
{		{
struct pci_vtscsi_worker worker = (struct pci_vtscsi_worker )arg;		struct pci_vtscsi_worker worker = (struct pci_vtscsi_worker )arg;
struct pci_vtscsi_queue *q = worker->vsw_queue;		struct pci_vtscsi_queue *q = worker->vsw_queue;
struct pci_vtscsi_request *req;		struct pci_vtscsi_request *req;
▲ Show 20 Lines • Show All 444 Lines • ▼ Show 20 Lines	pci_vtscsi_init(struct vmctx ctx, struct pci_devinst pi, nvlist_t *nvl)
/* request queues */		/* request queues */
for (i = 2; i < VTSCSI_MAXQ; i++) {		for (i = 2; i < VTSCSI_MAXQ; i++) {
sc->vss_vq[i].vq_qsize = VTSCSI_RINGSZ;		sc->vss_vq[i].vq_qsize = VTSCSI_RINGSZ;
sc->vss_vq[i].vq_notify = pci_vtscsi_requestq_notify;		sc->vss_vq[i].vq_notify = pci_vtscsi_requestq_notify;
pci_vtscsi_init_queue(sc, &sc->vss_queues[i - 2], i - 2);		pci_vtscsi_init_queue(sc, &sc->vss_queues[i - 2], i - 2);
}		}

/* initialize config space */		/* initialize config space */
pci_set_cfgdata16(pi, PCIR_DEVICE, VIRTIO_DEV_SCSI);		pci_set_cfgdata16(pi, PCIR_DEVICE, sc->vss_vs.vs_vc->vc_en_legacy ?
		VIRTIO_DEV_SCSI : VIRTIO_ID_SCSI);
pci_set_cfgdata16(pi, PCIR_VENDOR, VIRTIO_VENDOR);		pci_set_cfgdata16(pi, PCIR_VENDOR, VIRTIO_VENDOR);
pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_STORAGE);		pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_STORAGE);
pci_set_cfgdata16(pi, PCIR_SUBDEV_0, VIRTIO_ID_SCSI);		pci_set_cfgdata16(pi, PCIR_SUBDEV_0, VIRTIO_ID_SCSI);
pci_set_cfgdata16(pi, PCIR_SUBVEND_0, VIRTIO_VENDOR);		pci_set_cfgdata16(pi, PCIR_SUBVEND_0, VIRTIO_VENDOR);

if (vi_intr_init(&sc->vss_vs, 1, fbsdrun_virtio_msix()))		if (vi_intr_init(&sc->vss_vs, 1, fbsdrun_virtio_msix()))
return (1);		return (1);
vi_set_io_bar(&sc->vss_vs, 0);		vi_setup_pci_bar(&sc->vss_vs);

return (0);		return (0);
}		}


struct pci_devemu pci_de_vscsi = {		struct pci_devemu pci_de_vscsi = {
.pe_emu = "virtio-scsi",		.pe_emu = "virtio-scsi",
.pe_init = pci_vtscsi_init,		.pe_init = pci_vtscsi_init,
.pe_legacy_config = pci_vtscsi_legacy_config,		.pe_legacy_config = pci_vtscsi_legacy_config,
		.pe_cfgwrite = vi_pci_cfgwrite,
		.pe_cfgread = vi_pci_cfgread,
.pe_barwrite = vi_pci_write,		.pe_barwrite = vi_pci_write,
.pe_barread = vi_pci_read		.pe_barread = vi_pci_read
};		};
PCI_EMUL_SET(pci_de_vscsi);		PCI_EMUL_SET(pci_de_vscsi);