Driver stub

Makefile

@@ -0,0 +1,11 @@
+# $FreeBSD: src/sys/modules/trm/Makefile,v 1.1.2.1 2002/11/19 20:47:01 cognet Exp $
+
+KMOD=	nvme	
+SRCS=	nvme.c nvme.h opt_cam.h device_if.h bus_if.h pci_if.h
+
+.if !defined(BUILDING_WITH_KERNEL)
+opt_scsi.h:
+	echo "#define SCSI_DELAY 15000" > ${.TARGET}
+.endif
+
+.include <bsd.kmod.mk>

nvme.c

@@ -0,0 +1,92 @@
+/*-
+ * Copyright (C) 2012-2014 Intel Corporation
+ * 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.
+ * 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("$FreeBSD$");
+
+//kprintf
+#include <sys/systm.h>
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+
+//#include <vm/uma.h>
+
+#include <bus/pci/pcivar.h>
+#include <bus/pci/pcireg.h>
+
+#include "nvme.h"
+
+//MALLOC_DEFINE(M_NVME, "nvme", "nvme(4) memory allocations");
+
+static int    nvme_probe(device_t);
+static int    nvme_attach(device_t);
+static int    nvme_detach(device_t);
+
+
+static device_method_t nvme_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,     nvme_probe),
+	DEVMETHOD(device_attach,    nvme_attach),
+	DEVMETHOD(device_detach,    nvme_detach),
+	DEVMETHOD_END
+};
+
+static driver_t nvme_driver = {
+	        "nvme", nvme_methods, sizeof(struct nvme_softc)
+};
+
+static devclass_t nvme_devclass;
+DRIVER_MODULE(nvme, pci, nvme_driver, nvme_devclass, NULL, NULL);
+
+static int
+nvme_probe (device_t device)
+{
+	uint32_t	devid;
+	uint16_t	subdevice;
+
+	devid = pci_get_devid(device);
+	subdevice = pci_get_subdevice(device);
+
+	kprintf("hello");
+
+	return (ENXIO);
+}
+
+static int
+nvme_attach(device_t dev)
+{
+		kprintf("hello\n");
+
+	return (1);
+}
+
+static int
+nvme_detach (device_t dev)
+{
+	kprintf("exit\n");
+	return (0);
+}

nvme.h

@@ -0,0 +1,40 @@
+/*-
+ * Copyright (C) 2012-2013 Intel Corporation
+ * 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.
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef __NVME_H__
+#define __NVME_H__
+
+struct nvme_softc {
+	device_t                dev;
+	bus_space_tag_t         tag;
+	bus_space_handle_t      bsh;
+	bus_dma_tag_t           buffer_dmat;   /* dmat for buffer I/O */
+	int                     unit;
+};
+
+#endif /* __NVME_H__ */