[ceph.git] / ceph / src / spdk / module / bdev / virtio / bdev_virtio_rpc.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
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   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,
 *   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 "spdk/stdinc.h"

#include "spdk/string.h"
#include "spdk/rpc.h"
#include "spdk/util.h"
#include "spdk_internal/log.h"

#include "bdev_virtio.h"

#define SPDK_VIRTIO_USER_DEFAULT_VQ_COUNT		1
#define SPDK_VIRTIO_USER_DEFAULT_QUEUE_SIZE		512

struct rpc_remove_virtio_dev {
	char *name;
};

static const struct spdk_json_object_decoder rpc_remove_virtio_dev[] = {
	{"name", offsetof(struct rpc_remove_virtio_dev, name), spdk_json_decode_string },
};

static void
rpc_bdev_virtio_detach_controller_cb(void *ctx, int errnum)
{
	struct spdk_jsonrpc_request *request = ctx;
	struct spdk_json_write_ctx *w;

	if (errnum != 0) {
		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
						 spdk_strerror(-errnum));
		return;
	}

	w = spdk_jsonrpc_begin_result(request);
	spdk_json_write_bool(w, true);
	spdk_jsonrpc_end_result(request, w);
}

static void
rpc_bdev_virtio_detach_controller(struct spdk_jsonrpc_request *request,
				  const struct spdk_json_val *params)
{
	struct rpc_remove_virtio_dev req = {NULL};
	int rc = 0;

	if (spdk_json_decode_object(params, rpc_remove_virtio_dev,
				    SPDK_COUNTOF(rpc_remove_virtio_dev),
				    &req)) {
		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
						 "spdk_json_decode_object failed");
		goto cleanup;
	}

	rc = bdev_virtio_blk_dev_remove(req.name, rpc_bdev_virtio_detach_controller_cb, request);
	if (rc == -ENODEV) {
		rc = bdev_virtio_scsi_dev_remove(req.name, rpc_bdev_virtio_detach_controller_cb, request);
	}

	if (rc != 0) {
		spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
	}

cleanup:
	free(req.name);
}
SPDK_RPC_REGISTER("bdev_virtio_detach_controller",
		  rpc_bdev_virtio_detach_controller, SPDK_RPC_RUNTIME)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_virtio_detach_controller, remove_virtio_bdev)

static void
rpc_bdev_virtio_scsi_get_devices(struct spdk_jsonrpc_request *request,
				 const struct spdk_json_val *params)
{
	struct spdk_json_write_ctx *w;

	if (params != NULL) {
		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
						 "bdev_virtio_scsi_get_devices requires no parameters");
		return;
	}

	w = spdk_jsonrpc_begin_result(request);
	bdev_virtio_scsi_dev_list(w);
	spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("bdev_virtio_scsi_get_devices",
		  rpc_bdev_virtio_scsi_get_devices, SPDK_RPC_RUNTIME)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_virtio_scsi_get_devices, get_virtio_scsi_devs)

struct rpc_bdev_virtio_attach_controller_ctx {
	char *name;
	char *trtype;
	char *traddr;
	char *dev_type;
	uint32_t vq_count;
	uint32_t vq_size;
	struct spdk_jsonrpc_request *request;
};

static const struct spdk_json_object_decoder rpc_bdev_virtio_attach_controller_ctx[] = {
	{"name", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, name), spdk_json_decode_string },
	{"trtype", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, trtype), spdk_json_decode_string },
	{"traddr", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, traddr), spdk_json_decode_string },
	{"dev_type", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, dev_type), spdk_json_decode_string },
	{"vq_count", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, vq_count), spdk_json_decode_uint32, true },
	{"vq_size", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, vq_size), spdk_json_decode_uint32, true },
};

static void
free_rpc_bdev_virtio_attach_controller_ctx(struct rpc_bdev_virtio_attach_controller_ctx *req)
{
	free(req->name);
	free(req->trtype);
	free(req->traddr);
	free(req->dev_type);
	free(req);
}

static void
rpc_create_virtio_dev_cb(void *ctx, int result, struct spdk_bdev **bdevs, size_t cnt)
{
	struct rpc_bdev_virtio_attach_controller_ctx *req = ctx;
	struct spdk_json_write_ctx *w;
	size_t i;

	if (result) {
		spdk_jsonrpc_send_error_response(req->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
						 spdk_strerror(-result));
		free_rpc_bdev_virtio_attach_controller_ctx(req);
		return;
	}

	w = spdk_jsonrpc_begin_result(req->request);
	spdk_json_write_array_begin(w);

	for (i = 0; i < cnt; i++) {
		spdk_json_write_string(w, spdk_bdev_get_name(bdevs[i]));
	}

	spdk_json_write_array_end(w);
	spdk_jsonrpc_end_result(req->request, w);

	free_rpc_bdev_virtio_attach_controller_ctx(ctx);
}

static void
rpc_bdev_virtio_attach_controller(struct spdk_jsonrpc_request *request,
				  const struct spdk_json_val *params)
{
	struct rpc_bdev_virtio_attach_controller_ctx *req;
	struct spdk_bdev *bdev;
	struct spdk_pci_addr pci_addr;
	bool pci;
	int rc;

	req = calloc(1, sizeof(*req));
	if (!req) {
		SPDK_ERRLOG("calloc() failed\n");
		spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
		return;
	}

	if (spdk_json_decode_object(params, rpc_bdev_virtio_attach_controller_ctx,
				    SPDK_COUNTOF(rpc_bdev_virtio_attach_controller_ctx),
				    req)) {
		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
						 "spdk_json_decode_object failed");
		goto cleanup;
	}

	if (strcmp(req->trtype, "pci") == 0) {
		if (req->vq_count != 0 || req->vq_size != 0) {
			SPDK_ERRLOG("VQ count or size is not allowed for PCI transport type\n");
			spdk_jsonrpc_send_error_response(request, EINVAL,
							 "vq_count or vq_size is not allowed for PCI transport type.");
			goto cleanup;
		}

		if (spdk_pci_addr_parse(&pci_addr, req->traddr) != 0) {
			SPDK_ERRLOG("Invalid PCI address '%s'\n", req->traddr);
			spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid PCI address '%s'", req->traddr);
			goto cleanup;
		}

		pci = true;
	} else if (strcmp(req->trtype, "user") == 0) {
		req->vq_count = req->vq_count == 0 ? SPDK_VIRTIO_USER_DEFAULT_VQ_COUNT : req->vq_count;
		req->vq_size = req->vq_size == 0 ? SPDK_VIRTIO_USER_DEFAULT_QUEUE_SIZE : req->vq_size;
		pci = false;
	} else {
		SPDK_ERRLOG("Invalid trtype '%s'\n", req->trtype);
		spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid trtype '%s'", req->trtype);
		goto cleanup;
	}

	req->request = request;
	if (strcmp(req->dev_type, "blk") == 0) {
		if (pci) {
			bdev = bdev_virtio_pci_blk_dev_create(req->name, &pci_addr);
		} else {
			bdev = bdev_virtio_user_blk_dev_create(req->name, req->traddr, req->vq_count, req->vq_size);
		}

		/* Virtio blk doesn't use callback so call it manually to send result. */
		rc = bdev ? 0 : -EINVAL;
		rpc_create_virtio_dev_cb(req, rc, &bdev, bdev ? 1 : 0);
	} else if (strcmp(req->dev_type, "scsi") == 0) {
		if (pci) {
			rc = bdev_virtio_pci_scsi_dev_create(req->name, &pci_addr, rpc_create_virtio_dev_cb, req);
		} else {
			rc = bdev_virtio_user_scsi_dev_create(req->name, req->traddr, req->vq_count, req->vq_size,
							      rpc_create_virtio_dev_cb, req);
		}

		if (rc < 0) {
			/* In case of error callback is not called so do it manually to send result. */
			rpc_create_virtio_dev_cb(req, rc, NULL, 0);
		}
	} else {
		SPDK_ERRLOG("Invalid dev_type '%s'\n", req->dev_type);
		spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid dev_type '%s'", req->dev_type);
		goto cleanup;
	}

	return;

cleanup:
	free_rpc_bdev_virtio_attach_controller_ctx(req);
}
SPDK_RPC_REGISTER("bdev_virtio_attach_controller",
		  rpc_bdev_virtio_attach_controller, SPDK_RPC_RUNTIME);
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_virtio_attach_controller, construct_virtio_dev)
Commit	Line	Data
11fdf7f2 TL	1	/*-
	2	* BSD LICENSE
	3	*
	4	* Copyright (c) Intel Corporation.
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	*
	11	* * Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* * Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in
	15	* the documentation and/or other materials provided with the
	16	* distribution.
	17	* * Neither the name of Intel Corporation nor the names of its
	18	* contributors may be used to endorse or promote products derived
	19	* from this software without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	22	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	23	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	24	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	25	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	26	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	27	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	28	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	29	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	30	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	31	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	32	*/
	33
	34	#include "spdk/stdinc.h"
	35
	36	#include "spdk/string.h"
	37	#include "spdk/rpc.h"
	38	#include "spdk/util.h"
	39	#include "spdk_internal/log.h"
	40
	41	#include "bdev_virtio.h"
	42
	43	#define SPDK_VIRTIO_USER_DEFAULT_VQ_COUNT 1
	44	#define SPDK_VIRTIO_USER_DEFAULT_QUEUE_SIZE 512
	45
11fdf7f2 TL	46	struct rpc_remove_virtio_dev {
	47	char *name;
	48	};
	49
	50	static const struct spdk_json_object_decoder rpc_remove_virtio_dev[] = {
	51	{"name", offsetof(struct rpc_remove_virtio_dev, name), spdk_json_decode_string },
	52	};
	53
11fdf7f2	54	static void
f67539c2	55	rpc_bdev_virtio_detach_controller_cb(void *ctx, int errnum)
11fdf7f2 TL	56	{
	57	struct spdk_jsonrpc_request *request = ctx;
	58	struct spdk_json_write_ctx *w;
	59
	60	if (errnum != 0) {
	61	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
	62	spdk_strerror(-errnum));
	63	return;
	64	}
	65
	66	w = spdk_jsonrpc_begin_result(request);
11fdf7f2 TL	67	spdk_json_write_bool(w, true);
	68	spdk_jsonrpc_end_result(request, w);
	69	}
	70
	71	static void
f67539c2 TL	72	rpc_bdev_virtio_detach_controller(struct spdk_jsonrpc_request *request,
f67539c2 TL	73	const struct spdk_json_val *params)
11fdf7f2 TL	74	{
11fdf7f2 TL	75	struct rpc_remove_virtio_dev req = {NULL};
f67539c2	76	int rc = 0;
11fdf7f2 TL	77
	78	if (spdk_json_decode_object(params, rpc_remove_virtio_dev,
	79	SPDK_COUNTOF(rpc_remove_virtio_dev),
	80	&req)) {
f67539c2 TL	81	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
	82	"spdk_json_decode_object failed");
	83	goto cleanup;
11fdf7f2 TL	84	}
11fdf7f2 TL	85
f67539c2	86	rc = bdev_virtio_blk_dev_remove(req.name, rpc_bdev_virtio_detach_controller_cb, request);
11fdf7f2	87	if (rc == -ENODEV) {
f67539c2	88	rc = bdev_virtio_scsi_dev_remove(req.name, rpc_bdev_virtio_detach_controller_cb, request);
11fdf7f2 TL	89	}
	90
	91	if (rc != 0) {
f67539c2	92	spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
11fdf7f2 TL	93	}
11fdf7f2 TL	94
f67539c2	95	cleanup:
11fdf7f2 TL	96	free(req.name);
11fdf7f2 TL	97	}
f67539c2 TL	98	SPDK_RPC_REGISTER("bdev_virtio_detach_controller",
	99	rpc_bdev_virtio_detach_controller, SPDK_RPC_RUNTIME)
	100	SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_virtio_detach_controller, remove_virtio_bdev)
11fdf7f2 TL	101
11fdf7f2 TL	102	static void
f67539c2 TL	103	rpc_bdev_virtio_scsi_get_devices(struct spdk_jsonrpc_request *request,
f67539c2 TL	104	const struct spdk_json_val *params)
11fdf7f2 TL	105	{
	106	struct spdk_json_write_ctx *w;
	107
	108	if (params != NULL) {
	109	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
f67539c2	110	"bdev_virtio_scsi_get_devices requires no parameters");
11fdf7f2 TL	111	return;
	112	}
	113
	114	w = spdk_jsonrpc_begin_result(request);
11fdf7f2 TL	115	bdev_virtio_scsi_dev_list(w);
	116	spdk_jsonrpc_end_result(request, w);
	117	}
f67539c2 TL	118	SPDK_RPC_REGISTER("bdev_virtio_scsi_get_devices",
	119	rpc_bdev_virtio_scsi_get_devices, SPDK_RPC_RUNTIME)
	120	SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_virtio_scsi_get_devices, get_virtio_scsi_devs)
11fdf7f2	121
f67539c2	122	struct rpc_bdev_virtio_attach_controller_ctx {
11fdf7f2 TL	123	char *name;
	124	char *trtype;
	125	char *traddr;
	126	char *dev_type;
	127	uint32_t vq_count;
	128	uint32_t vq_size;
	129	struct spdk_jsonrpc_request *request;
	130	};
	131
f67539c2 TL	132	static const struct spdk_json_object_decoder rpc_bdev_virtio_attach_controller_ctx[] = {
	133	{"name", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, name), spdk_json_decode_string },
	134	{"trtype", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, trtype), spdk_json_decode_string },
	135	{"traddr", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, traddr), spdk_json_decode_string },
	136	{"dev_type", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, dev_type), spdk_json_decode_string },
	137	{"vq_count", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, vq_count), spdk_json_decode_uint32, true },
	138	{"vq_size", offsetof(struct rpc_bdev_virtio_attach_controller_ctx, vq_size), spdk_json_decode_uint32, true },
11fdf7f2 TL	139	};
	140
	141	static void
f67539c2	142	free_rpc_bdev_virtio_attach_controller_ctx(struct rpc_bdev_virtio_attach_controller_ctx *req)
11fdf7f2 TL	143	{
	144	free(req->name);
	145	free(req->trtype);
	146	free(req->traddr);
	147	free(req->dev_type);
	148	free(req);
	149	}
	150
	151	static void
f67539c2	152	rpc_create_virtio_dev_cb(void ctx, int result, struct spdk_bdev *bdevs, size_t cnt)
11fdf7f2	153	{
f67539c2	154	struct rpc_bdev_virtio_attach_controller_ctx *req = ctx;
11fdf7f2 TL	155	struct spdk_json_write_ctx *w;
	156	size_t i;
	157
	158	if (result) {
	159	spdk_jsonrpc_send_error_response(req->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
	160	spdk_strerror(-result));
f67539c2	161	free_rpc_bdev_virtio_attach_controller_ctx(req);
11fdf7f2 TL	162	return;
	163	}
	164
	165	w = spdk_jsonrpc_begin_result(req->request);
f67539c2	166	spdk_json_write_array_begin(w);
11fdf7f2	167
f67539c2 TL	168	for (i = 0; i < cnt; i++) {
f67539c2 TL	169	spdk_json_write_string(w, spdk_bdev_get_name(bdevs[i]));
11fdf7f2 TL	170	}
11fdf7f2 TL	171
f67539c2 TL	172	spdk_json_write_array_end(w);
	173	spdk_jsonrpc_end_result(req->request, w);
	174
	175	free_rpc_bdev_virtio_attach_controller_ctx(ctx);
11fdf7f2 TL	176	}
	177
	178	static void
f67539c2 TL	179	rpc_bdev_virtio_attach_controller(struct spdk_jsonrpc_request *request,
f67539c2 TL	180	const struct spdk_json_val *params)
11fdf7f2	181	{
f67539c2	182	struct rpc_bdev_virtio_attach_controller_ctx *req;
11fdf7f2 TL	183	struct spdk_bdev *bdev;
	184	struct spdk_pci_addr pci_addr;
	185	bool pci;
	186	int rc;
	187
	188	req = calloc(1, sizeof(*req));
	189	if (!req) {
	190	SPDK_ERRLOG("calloc() failed\n");
f67539c2	191	spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
11fdf7f2 TL	192	return;
	193	}
	194
f67539c2 TL	195	if (spdk_json_decode_object(params, rpc_bdev_virtio_attach_controller_ctx,
f67539c2 TL	196	SPDK_COUNTOF(rpc_bdev_virtio_attach_controller_ctx),
11fdf7f2	197	req)) {
f67539c2 TL	198	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
	199	"spdk_json_decode_object failed");
	200	goto cleanup;
11fdf7f2 TL	201	}
	202
	203	if (strcmp(req->trtype, "pci") == 0) {
	204	if (req->vq_count != 0 \|\| req->vq_size != 0) {
	205	SPDK_ERRLOG("VQ count or size is not allowed for PCI transport type\n");
f67539c2	206	spdk_jsonrpc_send_error_response(request, EINVAL,
11fdf7f2	207	"vq_count or vq_size is not allowed for PCI transport type.");
f67539c2	208	goto cleanup;
11fdf7f2 TL	209	}
	210
	211	if (spdk_pci_addr_parse(&pci_addr, req->traddr) != 0) {
	212	SPDK_ERRLOG("Invalid PCI address '%s'\n", req->traddr);
f67539c2 TL	213	spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid PCI address '%s'", req->traddr);
f67539c2 TL	214	goto cleanup;
11fdf7f2 TL	215	}
	216
	217	pci = true;
	218	} else if (strcmp(req->trtype, "user") == 0) {
	219	req->vq_count = req->vq_count == 0 ? SPDK_VIRTIO_USER_DEFAULT_VQ_COUNT : req->vq_count;
	220	req->vq_size = req->vq_size == 0 ? SPDK_VIRTIO_USER_DEFAULT_QUEUE_SIZE : req->vq_size;
	221	pci = false;
	222	} else {
	223	SPDK_ERRLOG("Invalid trtype '%s'\n", req->trtype);
f67539c2 TL	224	spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid trtype '%s'", req->trtype);
f67539c2 TL	225	goto cleanup;
11fdf7f2 TL	226	}
	227
	228	req->request = request;
	229	if (strcmp(req->dev_type, "blk") == 0) {
	230	if (pci) {
	231	bdev = bdev_virtio_pci_blk_dev_create(req->name, &pci_addr);
	232	} else {
	233	bdev = bdev_virtio_user_blk_dev_create(req->name, req->traddr, req->vq_count, req->vq_size);
	234	}
	235
	236	/* Virtio blk doesn't use callback so call it manually to send result. */
	237	rc = bdev ? 0 : -EINVAL;
f67539c2	238	rpc_create_virtio_dev_cb(req, rc, &bdev, bdev ? 1 : 0);
11fdf7f2 TL	239	} else if (strcmp(req->dev_type, "scsi") == 0) {
11fdf7f2 TL	240	if (pci) {
f67539c2	241	rc = bdev_virtio_pci_scsi_dev_create(req->name, &pci_addr, rpc_create_virtio_dev_cb, req);
11fdf7f2 TL	242	} else {
11fdf7f2 TL	243	rc = bdev_virtio_user_scsi_dev_create(req->name, req->traddr, req->vq_count, req->vq_size,
f67539c2	244	rpc_create_virtio_dev_cb, req);
11fdf7f2 TL	245	}
	246
	247	if (rc < 0) {
	248	/* In case of error callback is not called so do it manually to send result. */
f67539c2	249	rpc_create_virtio_dev_cb(req, rc, NULL, 0);
11fdf7f2 TL	250	}
	251	} else {
	252	SPDK_ERRLOG("Invalid dev_type '%s'\n", req->dev_type);
f67539c2 TL	253	spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid dev_type '%s'", req->dev_type);
f67539c2 TL	254	goto cleanup;
11fdf7f2 TL	255	}
	256
	257	return;
f67539c2 TL	258
	259	cleanup:
	260	free_rpc_bdev_virtio_attach_controller_ctx(req);
11fdf7f2	261	}
f67539c2 TL	262	SPDK_RPC_REGISTER("bdev_virtio_attach_controller",
	263	rpc_bdev_virtio_attach_controller, SPDK_RPC_RUNTIME);
	264	SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_virtio_attach_controller, construct_virtio_dev)