1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
10 #include <sys/types.h>
16 #include <rte_malloc.h>
17 #include <rte_memcpy.h>
18 #include <rte_string_fns.h>
19 #include <rte_cycles.h>
20 #include <rte_kvargs.h>
22 #include <rte_ethdev_driver.h>
23 #include <rte_mbuf_pool_ops.h>
25 #include <fslmc_logs.h>
26 #include <rte_fslmc.h>
27 #include <mc/fsl_dpbp.h>
28 #include "portal/dpaa2_hw_pvt.h"
29 #include "portal/dpaa2_hw_dpio.h"
32 TAILQ_HEAD(dpbp_dev_list
, dpaa2_dpbp_dev
);
33 static struct dpbp_dev_list dpbp_dev_list
34 = TAILQ_HEAD_INITIALIZER(dpbp_dev_list
); /*!< DPBP device list */
37 dpaa2_create_dpbp_device(int vdev_fd __rte_unused
,
38 struct vfio_device_info
*obj_info __rte_unused
,
41 struct dpaa2_dpbp_dev
*dpbp_node
;
43 static int register_once
;
45 /* Allocate DPAA2 dpbp handle */
46 dpbp_node
= rte_malloc(NULL
, sizeof(struct dpaa2_dpbp_dev
), 0);
48 DPAA2_BUS_ERR("Memory allocation failed for DPBP Device");
52 /* Open the dpbp object */
53 dpbp_node
->dpbp
.regs
= dpaa2_get_mcp_ptr(MC_PORTAL_INDEX
);
54 ret
= dpbp_open(&dpbp_node
->dpbp
,
55 CMD_PRI_LOW
, dpbp_id
, &dpbp_node
->token
);
57 DPAA2_BUS_ERR("Unable to open buffer pool object: err(%d)",
63 /* Clean the device first */
64 ret
= dpbp_reset(&dpbp_node
->dpbp
, CMD_PRI_LOW
, dpbp_node
->token
);
66 DPAA2_BUS_ERR("Unable to reset buffer pool device. err(%d)",
68 dpbp_close(&dpbp_node
->dpbp
, CMD_PRI_LOW
, dpbp_node
->token
);
73 dpbp_node
->dpbp_id
= dpbp_id
;
74 rte_atomic16_init(&dpbp_node
->in_use
);
76 TAILQ_INSERT_TAIL(&dpbp_dev_list
, dpbp_node
, next
);
79 rte_mbuf_set_platform_mempool_ops(DPAA2_MEMPOOL_OPS_NAME
);
86 struct dpaa2_dpbp_dev
*dpaa2_alloc_dpbp_dev(void)
88 struct dpaa2_dpbp_dev
*dpbp_dev
= NULL
;
90 /* Get DPBP dev handle from list using index */
91 TAILQ_FOREACH(dpbp_dev
, &dpbp_dev_list
, next
) {
92 if (dpbp_dev
&& rte_atomic16_test_and_set(&dpbp_dev
->in_use
))
99 void dpaa2_free_dpbp_dev(struct dpaa2_dpbp_dev
*dpbp
)
101 struct dpaa2_dpbp_dev
*dpbp_dev
= NULL
;
103 /* Match DPBP handle and mark it free */
104 TAILQ_FOREACH(dpbp_dev
, &dpbp_dev_list
, next
) {
105 if (dpbp_dev
== dpbp
) {
106 rte_atomic16_dec(&dpbp_dev
->in_use
);
112 int dpaa2_dpbp_supported(void)
114 if (TAILQ_EMPTY(&dpbp_dev_list
))
119 static struct rte_dpaa2_object rte_dpaa2_dpbp_obj
= {
120 .dev_type
= DPAA2_BPOOL
,
121 .create
= dpaa2_create_dpbp_device
,
124 RTE_PMD_REGISTER_DPAA2_OBJECT(dpbp
, rte_dpaa2_dpbp_obj
);