New upstream version 18.08upstream/18.08

Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 225 insertions, 0 deletions

diff --git a/drivers/event/octeontx/timvf_evdev.h b/drivers/event/octeontx/timvf_evdev.h
new file mode 100644
index 00000000..0185593f
--- /dev/null
+++ b/drivers/event/octeontx/timvf_evdev.h
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Cavium, Inc
+ */
+
+#ifndef __TIMVF_EVDEV_H__
+#define __TIMVF_EVDEV_H__
+
+#include <rte_common.h>
+#include <rte_cycles.h>
+#include <rte_debug.h>
+#include <rte_eal.h>
+#include <rte_eventdev.h>
+#include <rte_event_timer_adapter.h>
+#include <rte_event_timer_adapter_pmd.h>
+#include <rte_io.h>
+#include <rte_lcore.h>
+#include <rte_log.h>
+#include <rte_malloc.h>
+#include <rte_mbuf_pool_ops.h>
+#include <rte_mempool.h>
+#include <rte_memzone.h>
+#include <rte_pci.h>
+#include <rte_prefetch.h>
+#include <rte_reciprocal.h>
+
+#include <octeontx_mbox.h>
+#include <octeontx_fpavf.h>
+
+#define timvf_log(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, otx_logtype_timvf, \
+			"[%s] %s() " fmt "\n", \
+			RTE_STR(event_timer_octeontx), __func__, ## args)
+
+#define timvf_log_info(fmt, ...) timvf_log(INFO, fmt, ##__VA_ARGS__)
+#define timvf_log_dbg(fmt, ...) timvf_log(DEBUG, fmt, ##__VA_ARGS__)
+#define timvf_log_err(fmt, ...) timvf_log(ERR, fmt, ##__VA_ARGS__)
+#define timvf_func_trace timvf_log_dbg
+
+#define TIM_COPROC				(8)
+#define TIM_GET_DEV_INFO			(1)
+#define TIM_GET_RING_INFO			(2)
+#define TIM_SET_RING_INFO			(3)
+#define TIM_RING_START_CYC_GET			(4)
+
+#define TIM_MAX_RINGS				(64)
+#define TIM_DEV_PER_NODE			(1)
+#define TIM_VF_PER_DEV				(64)
+#define TIM_RING_PER_DEV			(TIM_VF_PER_DEV)
+#define TIM_RING_NODE_SHIFT			(6)
+#define TIM_RING_MASK				((TIM_RING_PER_DEV) - 1)
+#define TIM_RING_INVALID			(-1)
+
+#define TIM_MIN_INTERVAL			(1E3)
+#define TIM_MAX_INTERVAL			((1ull << 32) - 1)
+#define TIM_MAX_BUCKETS				(1ull << 20)
+#define TIM_CHUNK_SIZE				(4096)
+#define TIM_MAX_CHUNKS_PER_BUCKET		(1ull << 32)
+
+#define TIMVF_MAX_BURST				(8)
+
+/* TIM VF Control/Status registers (CSRs): */
+/* VF_BAR0: */
+#define TIM_VF_NRSPERR_INT			(0x0)
+#define TIM_VF_NRSPERR_INT_W1S			(0x8)
+#define TIM_VF_NRSPERR_ENA_W1C			(0x10)
+#define TIM_VF_NRSPERR_ENA_W1S			(0x18)
+#define TIM_VRING_FR_RN_CYCLES			(0x20)
+#define TIM_VRING_FR_RN_GPIOS			(0x28)
+#define TIM_VRING_FR_RN_GTI			(0x30)
+#define TIM_VRING_FR_RN_PTP			(0x38)
+#define TIM_VRING_CTL0				(0x40)
+#define TIM_VRING_CTL1				(0x50)
+#define TIM_VRING_CTL2				(0x60)
+#define TIM_VRING_BASE				(0x100)
+#define TIM_VRING_AURA				(0x108)
+#define TIM_VRING_REL				(0x110)
+
+#define TIM_CTL1_W0_S_BUCKET			20
+#define TIM_CTL1_W0_M_BUCKET			((1ull << (40 - 20)) - 1)
+
+#define TIM_BUCKET_W1_S_NUM_ENTRIES		(0) /*Shift*/
+#define TIM_BUCKET_W1_M_NUM_ENTRIES		((1ull << (32 - 0)) - 1)
+#define TIM_BUCKET_W1_S_SBT			(32)
+#define TIM_BUCKET_W1_M_SBT			((1ull << (33 - 32)) - 1)
+#define TIM_BUCKET_W1_S_HBT			(33)
+#define TIM_BUCKET_W1_M_HBT			((1ull << (34 - 33)) - 1)
+#define TIM_BUCKET_W1_S_BSK			(34)
+#define TIM_BUCKET_W1_M_BSK			((1ull << (35 - 34)) - 1)
+#define TIM_BUCKET_W1_S_LOCK			(40)
+#define TIM_BUCKET_W1_M_LOCK			((1ull << (48 - 40)) - 1)
+#define TIM_BUCKET_W1_S_CHUNK_REMAINDER		(48)
+#define TIM_BUCKET_W1_M_CHUNK_REMAINDER		((1ull << (64 - 48)) - 1)
+
+#define TIM_BUCKET_SEMA	\
+	(TIM_BUCKET_CHUNK_REMAIN)
+
+#define TIM_BUCKET_CHUNK_REMAIN \
+	(TIM_BUCKET_W1_M_CHUNK_REMAINDER << TIM_BUCKET_W1_S_CHUNK_REMAINDER)
+
+#define TIM_BUCKET_LOCK \
+	(TIM_BUCKET_W1_M_LOCK << TIM_BUCKET_W1_S_LOCK)
+
+#define TIM_BUCKET_SEMA_WLOCK \
+	(TIM_BUCKET_CHUNK_REMAIN | (1ull << TIM_BUCKET_W1_S_LOCK))
+
+#define NSEC_PER_SEC 1E9
+#define NSEC2CLK(__ns, __freq) (((__ns) * (__freq)) / NSEC_PER_SEC)
+#define CLK2NSEC(__clk, __freq) (((__clk) * NSEC_PER_SEC) / (__freq))
+
+#define timvf_read64 rte_read64_relaxed
+#define timvf_write64 rte_write64_relaxed
+
+#define TIMVF_ENABLE_STATS_ARG               ("timvf_stats")
+
+extern int otx_logtype_timvf;
+static const uint16_t nb_chunk_slots = (TIM_CHUNK_SIZE / 16) - 1;
+
+struct timvf_info {
+	uint16_t domain; /* Domain id */
+	uint8_t total_timvfs; /* Total timvf available in domain */
+};
+
+enum timvf_clk_src {
+	TIM_CLK_SRC_SCLK = RTE_EVENT_TIMER_ADAPTER_CPU_CLK,
+	TIM_CLK_SRC_GPIO = RTE_EVENT_TIMER_ADAPTER_EXT_CLK0,
+	TIM_CLK_SRC_GTI = RTE_EVENT_TIMER_ADAPTER_EXT_CLK1,
+	TIM_CLK_SRC_PTP = RTE_EVENT_TIMER_ADAPTER_EXT_CLK2,
+};
+
+/* TIM_MEM_BUCKET */
+struct tim_mem_bucket {
+	uint64_t first_chunk;
+	union {
+		uint64_t w1;
+		struct {
+			uint32_t nb_entry;
+			uint8_t sbt:1;
+			uint8_t hbt:1;
+			uint8_t bsk:1;
+			uint8_t rsvd:5;
+			uint8_t lock;
+			int16_t chunk_remainder;
+		};
+	};
+	uint64_t current_chunk;
+	uint64_t pad;
+} __rte_packed __rte_aligned(8);
+
+struct tim_mem_entry {
+	uint64_t w0;
+	uint64_t wqe;
+} __rte_packed;
+
+struct timvf_ctrl_reg {
+	uint64_t rctrl0;
+	uint64_t rctrl1;
+	uint64_t rctrl2;
+	uint8_t use_pmu;
+} __rte_packed;
+
+struct timvf_ring;
+
+typedef uint32_t (*bkt_id)(const uint32_t bkt_tcks, const uint32_t nb_bkts);
+typedef struct tim_mem_entry * (*refill_chunk)(
+		struct tim_mem_bucket * const bkt,
+		struct timvf_ring * const timr);
+
+struct timvf_ring {
+	bkt_id get_target_bkt;
+	refill_chunk refill_chunk;
+	struct rte_reciprocal_u64 fast_div;
+	uint64_t ring_start_cyc;
+	uint32_t nb_bkts;
+	struct tim_mem_bucket *bkt;
+	void *chunk_pool;
+	uint64_t tck_int;
+	volatile uint64_t tim_arm_cnt;
+	uint64_t tck_nsec;
+	void  *vbar0;
+	void *bkt_pos;
+	uint64_t max_tout;
+	uint64_t nb_chunks;
+	enum timvf_clk_src clk_src;
+	uint16_t tim_ring_id;
+} __rte_cache_aligned;
+
+static __rte_always_inline uint32_t
+bkt_mod(const uint32_t rel_bkt, const uint32_t nb_bkts)
+{
+	return rel_bkt % nb_bkts;
+}
+
+static __rte_always_inline uint32_t
+bkt_and(uint32_t rel_bkt, uint32_t nb_bkts)
+{
+	return rel_bkt & (nb_bkts - 1);
+}
+
+int timvf_info(struct timvf_info *tinfo);
+void *timvf_bar(uint8_t id, uint8_t bar);
+int timvf_timer_adapter_caps_get(const struct rte_eventdev *dev, uint64_t flags,
+		uint32_t *caps, const struct rte_event_timer_adapter_ops **ops,
+		uint8_t enable_stats);
+uint16_t timvf_timer_cancel_burst(const struct rte_event_timer_adapter *adptr,
+		struct rte_event_timer **tim, const uint16_t nb_timers);
+uint16_t timvf_timer_arm_burst_sp(const struct rte_event_timer_adapter *adptr,
+		struct rte_event_timer **tim, const uint16_t nb_timers);
+uint16_t timvf_timer_arm_burst_sp_stats(
+		const struct rte_event_timer_adapter *adptr,
+		struct rte_event_timer **tim, const uint16_t nb_timers);
+uint16_t timvf_timer_arm_burst_mp(const struct rte_event_timer_adapter *adptr,
+		struct rte_event_timer **tim, const uint16_t nb_timers);
+uint16_t timvf_timer_arm_burst_mp_stats(
+		const struct rte_event_timer_adapter *adptr,
+		struct rte_event_timer **tim, const uint16_t nb_timers);
+uint16_t timvf_timer_arm_tmo_brst(const struct rte_event_timer_adapter *adptr,
+		struct rte_event_timer **tim, const uint64_t timeout_tick,
+		const uint16_t nb_timers);
+uint16_t timvf_timer_arm_tmo_brst_stats(
+		const struct rte_event_timer_adapter *adptr,
+		struct rte_event_timer **tim, const uint64_t timeout_tick,
+		const uint16_t nb_timers);
+void timvf_set_chunk_refill(struct timvf_ring * const timr, uint8_t use_fpa);
+
+#endif /* __TIMVF_EVDEV_H__ */