numam-spdk/lib/env_dpdk/pci_nvme.c

/*-
 *   BSD LICENSE
 *
 *   Copyright (c) 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:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 *   OWNER 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,
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 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "env_internal.h"

#include "spdk/pci_ids.h"

static struct rte_pci_id nvme_pci_driver_id[] = {
#if RTE_VERSION >= RTE_VERSION_NUM(16, 7, 0, 1)
	{
		.class_id = SPDK_PCI_CLASS_NVME,
		.vendor_id = PCI_ANY_ID,
		.device_id = PCI_ANY_ID,
		.subsystem_vendor_id = PCI_ANY_ID,
		.subsystem_device_id = PCI_ANY_ID,
	},
#else
	{RTE_PCI_DEVICE(0x8086, 0x0953)},
#endif
	{ .vendor_id = 0, /* sentinel */ },
};

static struct spdk_pci_enum_ctx g_nvme_pci_drv = {
	.driver = {
		.drv_flags	= RTE_PCI_DRV_NEED_MAPPING,
		.id_table	= nvme_pci_driver_id,
#if RTE_VERSION >= RTE_VERSION_NUM(16, 11, 0, 0)
		.probe		= spdk_pci_device_init,
		.remove		= spdk_pci_device_fini,
		.driver.name	= "spdk_nvme",
#else
		.devinit	= spdk_pci_device_init,
		.devuninit	= spdk_pci_device_fini,
		.name		= "spdk_nvme",
#endif
	},

	.cb_fn = NULL,
	.cb_arg = NULL,
	.mtx = PTHREAD_MUTEX_INITIALIZER,
	.is_registered = false,
};

int
spdk_pci_nvme_device_attach(spdk_pci_enum_cb enum_cb,
			    void *enum_ctx, struct spdk_pci_addr *pci_address)
{
	return spdk_pci_device_attach(&g_nvme_pci_drv, enum_cb, enum_ctx, pci_address);
}

int
spdk_pci_nvme_enumerate(spdk_pci_enum_cb enum_cb, void *enum_ctx)
{
	return spdk_pci_enumerate(&g_nvme_pci_drv, enum_cb, enum_ctx);
}