fd710bb1f6
Update the license header on bnxt files to be the standard BSD-3-Clause license used for the rest of DPDK, bring the files in compliance with the DPDK licensing policy. Signed-off-by: Scott Branden <scott.branden@broadcom.com> Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com> Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
146 lines
3.0 KiB
C
146 lines
3.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright(c) 2014-2018 Broadcom
|
|
* All rights reserved.
|
|
*/
|
|
|
|
#include <inttypes.h>
|
|
|
|
#include <rte_malloc.h>
|
|
|
|
#include "bnxt.h"
|
|
#include "bnxt_cpr.h"
|
|
#include "bnxt_irq.h"
|
|
#include "bnxt_ring.h"
|
|
#include "hsi_struct_def_dpdk.h"
|
|
|
|
/*
|
|
* Interrupts
|
|
*/
|
|
|
|
static void bnxt_int_handler(void *param)
|
|
{
|
|
struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
|
|
struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
|
|
struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
|
|
struct cmpl_base *cmp;
|
|
uint32_t raw_cons;
|
|
uint32_t cons;
|
|
|
|
if (cpr == NULL)
|
|
return;
|
|
|
|
raw_cons = cpr->cp_raw_cons;
|
|
while (1) {
|
|
if (!cpr || !cpr->cp_ring_struct)
|
|
return;
|
|
|
|
cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
|
|
cmp = &cpr->cp_desc_ring[cons];
|
|
|
|
if (!CMP_VALID(cmp, raw_cons, cpr->cp_ring_struct))
|
|
break;
|
|
|
|
switch (CMP_TYPE(cmp)) {
|
|
case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
|
|
/* Handle any async event */
|
|
bnxt_handle_async_event(bp, cmp);
|
|
break;
|
|
case CMPL_BASE_TYPE_HWRM_FWD_REQ:
|
|
/* Handle HWRM forwarded responses */
|
|
bnxt_handle_fwd_req(bp, cmp);
|
|
break;
|
|
default:
|
|
/* Ignore any other events */
|
|
if (cmp->type & rte_cpu_to_le_16(0x01)) {
|
|
if (!CMP_VALID(cmp, raw_cons,
|
|
cpr->cp_ring_struct))
|
|
goto no_more;
|
|
}
|
|
PMD_DRV_LOG(INFO,
|
|
"Ignoring %02x completion\n", CMP_TYPE(cmp));
|
|
break;
|
|
}
|
|
raw_cons = NEXT_RAW_CMP(raw_cons);
|
|
|
|
};
|
|
no_more:
|
|
cpr->cp_raw_cons = raw_cons;
|
|
B_CP_DB_REARM(cpr, cpr->cp_raw_cons);
|
|
}
|
|
|
|
void bnxt_free_int(struct bnxt *bp)
|
|
{
|
|
struct bnxt_irq *irq;
|
|
|
|
irq = bp->irq_tbl;
|
|
if (irq) {
|
|
if (irq->requested) {
|
|
rte_intr_disable(&bp->pdev->intr_handle);
|
|
rte_intr_callback_unregister(&bp->pdev->intr_handle,
|
|
irq->handler,
|
|
(void *)bp->eth_dev);
|
|
irq->requested = 0;
|
|
}
|
|
rte_free((void *)bp->irq_tbl);
|
|
bp->irq_tbl = NULL;
|
|
}
|
|
}
|
|
|
|
void bnxt_disable_int(struct bnxt *bp)
|
|
{
|
|
struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
|
|
|
|
/* Only the default completion ring */
|
|
if (cpr != NULL && cpr->cp_doorbell != NULL)
|
|
B_CP_DB_DISARM(cpr);
|
|
}
|
|
|
|
void bnxt_enable_int(struct bnxt *bp)
|
|
{
|
|
struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
|
|
|
|
B_CP_DB_ARM(cpr);
|
|
}
|
|
|
|
int bnxt_setup_int(struct bnxt *bp)
|
|
{
|
|
uint16_t total_vecs;
|
|
const int len = sizeof(bp->irq_tbl[0].name);
|
|
int i, rc = 0;
|
|
|
|
/* DPDK host only supports 1 MSI-X vector */
|
|
total_vecs = 1;
|
|
bp->irq_tbl = rte_calloc("bnxt_irq_tbl", total_vecs,
|
|
sizeof(struct bnxt_irq), 0);
|
|
if (bp->irq_tbl) {
|
|
for (i = 0; i < total_vecs; i++) {
|
|
bp->irq_tbl[i].vector = i;
|
|
snprintf(bp->irq_tbl[i].name, len,
|
|
"%s-%d", bp->eth_dev->device->name, i);
|
|
bp->irq_tbl[i].handler = bnxt_int_handler;
|
|
}
|
|
} else {
|
|
rc = -ENOMEM;
|
|
goto setup_exit;
|
|
}
|
|
return 0;
|
|
|
|
setup_exit:
|
|
PMD_DRV_LOG(ERR, "bnxt_irq_tbl setup failed\n");
|
|
return rc;
|
|
}
|
|
|
|
int bnxt_request_int(struct bnxt *bp)
|
|
{
|
|
int rc = 0;
|
|
|
|
struct bnxt_irq *irq = bp->irq_tbl;
|
|
|
|
rte_intr_callback_register(&bp->pdev->intr_handle, irq->handler,
|
|
(void *)bp->eth_dev);
|
|
rte_intr_enable(&bp->pdev->intr_handle);
|
|
|
|
irq->requested = 1;
|
|
return rc;
|
|
}
|