numam-dpdk/drivers/event/octeontx/ssovf_evdev.h
Pavan Nikhilesh d0d6549860 net/octeontx: support event Rx adapter
Add functions to modify and delete qos responsible for mapping eth queues
to event queues used for configuring event Rx adapter.
The mbox functions have been moved from octeontx_pkivf.c to
octeontx_pkivf.h to allow event_octeontx to access them.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
2017-10-25 14:03:43 +02:00

202 lines
7.3 KiB
C

/*
* BSD LICENSE
*
* Copyright (C) Cavium, Inc. 2017.
*
* 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 Cavium, Inc 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.
*/
#ifndef __SSOVF_EVDEV_H__
#define __SSOVF_EVDEV_H__
#include <rte_config.h>
#include <rte_eventdev_pmd_vdev.h>
#include <rte_io.h>
#include <octeontx_mbox.h>
#include <octeontx_ethdev.h>
#define EVENTDEV_NAME_OCTEONTX_PMD event_octeontx
#ifdef RTE_LIBRTE_PMD_OCTEONTX_SSOVF_DEBUG
#define ssovf_log_info(fmt, args...) \
RTE_LOG(INFO, EVENTDEV, "[%s] %s() " fmt "\n", \
RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD), __func__, ## args)
#define ssovf_log_dbg(fmt, args...) \
RTE_LOG(DEBUG, EVENTDEV, "[%s] %s() " fmt "\n", \
RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD), __func__, ## args)
#else
#define ssovf_log_info(fmt, args...)
#define ssovf_log_dbg(fmt, args...)
#endif
#define ssovf_func_trace ssovf_log_dbg
#define ssovf_log_err(fmt, args...) \
RTE_LOG(ERR, EVENTDEV, "[%s] %s() " fmt "\n", \
RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD), __func__, ## args)
#define SSO_MAX_VHGRP (64)
#define SSO_MAX_VHWS (32)
/* SSO VF register offsets */
#define SSO_VHGRP_QCTL (0x010ULL)
#define SSO_VHGRP_INT (0x100ULL)
#define SSO_VHGRP_INT_W1S (0x108ULL)
#define SSO_VHGRP_INT_ENA_W1S (0x110ULL)
#define SSO_VHGRP_INT_ENA_W1C (0x118ULL)
#define SSO_VHGRP_INT_THR (0x140ULL)
#define SSO_VHGRP_INT_CNT (0x180ULL)
#define SSO_VHGRP_XAQ_CNT (0x1B0ULL)
#define SSO_VHGRP_AQ_CNT (0x1C0ULL)
#define SSO_VHGRP_AQ_THR (0x1E0ULL)
/* BAR2 */
#define SSO_VHGRP_OP_ADD_WORK0 (0x00ULL)
#define SSO_VHGRP_OP_ADD_WORK1 (0x08ULL)
/* SSOW VF register offsets (BAR0) */
#define SSOW_VHWS_GRPMSK_CHGX(x) (0x080ULL | ((x) << 3))
#define SSOW_VHWS_TAG (0x300ULL)
#define SSOW_VHWS_WQP (0x308ULL)
#define SSOW_VHWS_LINKS (0x310ULL)
#define SSOW_VHWS_PENDTAG (0x340ULL)
#define SSOW_VHWS_PENDWQP (0x348ULL)
#define SSOW_VHWS_SWTP (0x400ULL)
#define SSOW_VHWS_OP_ALLOC_WE (0x410ULL)
#define SSOW_VHWS_OP_UPD_WQP_GRP0 (0x440ULL)
#define SSOW_VHWS_OP_UPD_WQP_GRP1 (0x448ULL)
#define SSOW_VHWS_OP_SWTAG_UNTAG (0x490ULL)
#define SSOW_VHWS_OP_SWTAG_CLR (0x820ULL)
#define SSOW_VHWS_OP_DESCHED (0x860ULL)
#define SSOW_VHWS_OP_DESCHED_NOSCH (0x870ULL)
#define SSOW_VHWS_OP_SWTAG_DESCHED (0x8C0ULL)
#define SSOW_VHWS_OP_SWTAG_NOSCHED (0x8D0ULL)
#define SSOW_VHWS_OP_SWTP_SET (0xC20ULL)
#define SSOW_VHWS_OP_SWTAG_NORM (0xC80ULL)
#define SSOW_VHWS_OP_SWTAG_FULL0 (0xCA0UL)
#define SSOW_VHWS_OP_SWTAG_FULL1 (0xCA8ULL)
#define SSOW_VHWS_OP_CLR_NSCHED (0x10000ULL)
#define SSOW_VHWS_OP_GET_WORK0 (0x80000ULL)
#define SSOW_VHWS_OP_GET_WORK1 (0x80008ULL)
/* Mailbox message constants */
#define SSO_COPROC 0x2
#define SSO_GETDOMAINCFG 0x1
#define SSO_IDENTIFY 0x2
#define SSO_GET_DEV_INFO 0x3
#define SSO_GET_GETWORK_WAIT 0x4
#define SSO_SET_GETWORK_WAIT 0x5
#define SSO_CONVERT_NS_GETWORK_ITER 0x6
#define SSO_GRP_GET_PRIORITY 0x7
#define SSO_GRP_SET_PRIORITY 0x8
/*
* In Cavium OcteonTX SoC, all accesses to the device registers are
* implictly strongly ordered. So, The relaxed version of IO operation is
* safe to use with out any IO memory barriers.
*/
#define ssovf_read64 rte_read64_relaxed
#define ssovf_write64 rte_write64_relaxed
/* ARM64 specific functions */
#if defined(RTE_ARCH_ARM64)
#define ssovf_load_pair(val0, val1, addr) ({ \
asm volatile( \
"ldp %x[x0], %x[x1], [%x[p1]]" \
:[x0]"=r"(val0), [x1]"=r"(val1) \
:[p1]"r"(addr) \
); })
#define ssovf_store_pair(val0, val1, addr) ({ \
asm volatile( \
"stp %x[x0], %x[x1], [%x[p1]]" \
::[x0]"r"(val0), [x1]"r"(val1), [p1]"r"(addr) \
); })
#else /* Un optimized functions for building on non arm64 arch */
#define ssovf_load_pair(val0, val1, addr) \
do { \
val0 = rte_read64(addr); \
val1 = rte_read64(((uint8_t *)addr) + 8); \
} while (0)
#define ssovf_store_pair(val0, val1, addr) \
do { \
rte_write64(val0, addr); \
rte_write64(val1, (((uint8_t *)addr) + 8)); \
} while (0)
#endif
struct ssovf_evdev {
uint8_t max_event_queues;
uint8_t max_event_ports;
uint8_t is_timeout_deq;
uint8_t nb_event_queues;
uint8_t nb_event_ports;
uint32_t min_deq_timeout_ns;
uint32_t max_deq_timeout_ns;
int32_t max_num_events;
} __rte_cache_aligned;
/* Event port aka HWS */
struct ssows {
uint8_t cur_tt;
uint8_t cur_grp;
uint8_t swtag_req;
uint8_t *base;
uint8_t *getwork;
uint8_t *grps[SSO_MAX_VHGRP];
uint8_t port;
} __rte_cache_aligned;
static inline struct ssovf_evdev *
ssovf_pmd_priv(const struct rte_eventdev *eventdev)
{
return eventdev->data->dev_private;
}
uint16_t ssows_enq(void *port, const struct rte_event *ev);
uint16_t ssows_enq_burst(void *port,
const struct rte_event ev[], uint16_t nb_events);
uint16_t ssows_enq_new_burst(void *port,
const struct rte_event ev[], uint16_t nb_events);
uint16_t ssows_enq_fwd_burst(void *port,
const struct rte_event ev[], uint16_t nb_events);
uint16_t ssows_deq(void *port, struct rte_event *ev, uint64_t timeout_ticks);
uint16_t ssows_deq_burst(void *port, struct rte_event ev[],
uint16_t nb_events, uint64_t timeout_ticks);
uint16_t ssows_deq_timeout(void *port, struct rte_event *ev,
uint64_t timeout_ticks);
uint16_t ssows_deq_timeout_burst(void *port, struct rte_event ev[],
uint16_t nb_events, uint64_t timeout_ticks);
void ssows_flush_events(struct ssows *ws, uint8_t queue_id);
void ssows_reset(struct ssows *ws);
#endif /* __SSOVF_EVDEV_H__ */