diff options
Diffstat (limited to 'drivers/event/octeontx/ssovf_evdev.h')
| -rw-r--r-- | drivers/event/octeontx/ssovf_evdev.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/drivers/event/octeontx/ssovf_evdev.h b/drivers/event/octeontx/ssovf_evdev.h new file mode 100644 index 00000000..6e0a3521 --- /dev/null +++ b/drivers/event/octeontx/ssovf_evdev.h @@ -0,0 +1,203 @@ +/* + * BSD LICENSE + * + * Copyright (C) Cavium networks Ltd. 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 networks 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.h> +#include <rte_io.h> + +#include "rte_pmd_octeontx_ssovf.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 PCI_VENDOR_ID_CAVIUM 0x177D +#define PCI_DEVICE_ID_OCTEONTX_SSOGRP_VF 0xA04B +#define PCI_DEVICE_ID_OCTEONTX_SSOWS_VF 0xA04D + +#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) +#define SSO_VHGRP_PF_MBOX(x) (0x200ULL | ((x) << 3)) + +/* 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) + +#define SSOW_BAR4_LEN (64 * 1024) + +/* 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_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__ */ |