1 /* SPDX-License-Identifier: BSD-3-Clause
15 #include <rte_malloc.h>
16 #include <rte_memcpy.h>
17 #include <rte_string_fns.h>
18 #include <rte_cycles.h>
19 #include <rte_kvargs.h>
21 #include <rte_ethdev_driver.h>
23 #include <rte_fslmc.h>
24 #include <mc/fsl_dpcon.h>
25 #include <portal/dpaa2_hw_pvt.h>
26 #include "dpaa2_eventdev.h"
27 #include "dpaa2_eventdev_logs.h"
29 TAILQ_HEAD(dpcon_dev_list
, dpaa2_dpcon_dev
);
30 static struct dpcon_dev_list dpcon_dev_list
31 = TAILQ_HEAD_INITIALIZER(dpcon_dev_list
); /*!< DPCON device list */
34 rte_dpaa2_create_dpcon_device(int dev_fd __rte_unused
,
35 struct vfio_device_info
*obj_info __rte_unused
,
38 struct dpaa2_dpcon_dev
*dpcon_node
;
39 struct dpcon_attr attr
;
42 /* Allocate DPAA2 dpcon handle */
43 dpcon_node
= rte_malloc(NULL
, sizeof(struct dpaa2_dpcon_dev
), 0);
46 "Memory allocation failed for dpcon device");
50 /* Open the dpcon object */
51 dpcon_node
->dpcon
.regs
= dpaa2_get_mcp_ptr(MC_PORTAL_INDEX
);
52 ret
= dpcon_open(&dpcon_node
->dpcon
,
53 CMD_PRI_LOW
, dpcon_id
, &dpcon_node
->token
);
55 DPAA2_EVENTDEV_ERR("Unable to open dpcon device: err(%d)",
61 /* Get the device attributes */
62 ret
= dpcon_get_attributes(&dpcon_node
->dpcon
,
63 CMD_PRI_LOW
, dpcon_node
->token
, &attr
);
65 DPAA2_EVENTDEV_ERR("dpcon attribute fetch failed: err(%d)",
71 /* Updating device specific private information*/
72 dpcon_node
->qbman_ch_id
= attr
.qbman_ch_id
;
73 dpcon_node
->num_priorities
= attr
.num_priorities
;
74 dpcon_node
->dpcon_id
= dpcon_id
;
75 rte_atomic16_init(&dpcon_node
->in_use
);
77 TAILQ_INSERT_TAIL(&dpcon_dev_list
, dpcon_node
, next
);
82 struct dpaa2_dpcon_dev
*rte_dpaa2_alloc_dpcon_dev(void)
84 struct dpaa2_dpcon_dev
*dpcon_dev
= NULL
;
86 /* Get DPCON dev handle from list using index */
87 TAILQ_FOREACH(dpcon_dev
, &dpcon_dev_list
, next
) {
88 if (dpcon_dev
&& rte_atomic16_test_and_set(&dpcon_dev
->in_use
))
95 void rte_dpaa2_free_dpcon_dev(struct dpaa2_dpcon_dev
*dpcon
)
97 struct dpaa2_dpcon_dev
*dpcon_dev
= NULL
;
99 /* Match DPCON handle and mark it free */
100 TAILQ_FOREACH(dpcon_dev
, &dpcon_dev_list
, next
) {
101 if (dpcon_dev
== dpcon
) {
102 rte_atomic16_dec(&dpcon_dev
->in_use
);
108 static struct rte_dpaa2_object rte_dpaa2_dpcon_obj
= {
109 .dev_type
= DPAA2_CON
,
110 .create
= rte_dpaa2_create_dpcon_device
,
113 RTE_PMD_REGISTER_DPAA2_OBJECT(dpcon
, rte_dpaa2_dpcon_obj
);