event/cnxk: add port config
[dpdk.git] / drivers / event / octeontx2 / otx2_tim_evdev.h
index 9f7aeb7..caa6ad3 100644 (file)
 #define __OTX2_TIM_EVDEV_H__
 
 #include <rte_event_timer_adapter.h>
+#include <rte_event_timer_adapter_pmd.h>
+#include <rte_reciprocal.h>
 
 #include "otx2_dev.h"
 
 #define OTX2_TIM_EVDEV_NAME otx2_tim_eventdev
 
+#define otx2_tim_func_trace otx2_tim_dbg
+
+#define TIM_LF_RING_AURA               (0x0)
+#define TIM_LF_RING_BASE               (0x130)
+#define TIM_LF_NRSPERR_INT             (0x200)
+#define TIM_LF_NRSPERR_INT_W1S         (0x208)
+#define TIM_LF_NRSPERR_INT_ENA_W1S     (0x210)
+#define TIM_LF_NRSPERR_INT_ENA_W1C     (0x218)
+#define TIM_LF_RAS_INT                 (0x300)
+#define TIM_LF_RAS_INT_W1S             (0x308)
+#define TIM_LF_RAS_INT_ENA_W1S         (0x310)
+#define TIM_LF_RAS_INT_ENA_W1C         (0x318)
+#define TIM_LF_RING_REL                        (0x400)
+
+#define TIM_BUCKET_W1_S_CHUNK_REMAINDER        (48)
+#define TIM_BUCKET_W1_M_CHUNK_REMAINDER        ((1ULL << (64 - \
+                                        TIM_BUCKET_W1_S_CHUNK_REMAINDER)) - 1)
+#define TIM_BUCKET_W1_S_LOCK           (40)
+#define TIM_BUCKET_W1_M_LOCK           ((1ULL <<       \
+                                        (TIM_BUCKET_W1_S_CHUNK_REMAINDER - \
+                                         TIM_BUCKET_W1_S_LOCK)) - 1)
+#define TIM_BUCKET_W1_S_RSVD           (35)
+#define TIM_BUCKET_W1_S_BSK            (34)
+#define TIM_BUCKET_W1_M_BSK            ((1ULL <<       \
+                                        (TIM_BUCKET_W1_S_RSVD -            \
+                                         TIM_BUCKET_W1_S_BSK)) - 1)
+#define TIM_BUCKET_W1_S_HBT            (33)
+#define TIM_BUCKET_W1_M_HBT            ((1ULL <<       \
+                                        (TIM_BUCKET_W1_S_BSK -             \
+                                         TIM_BUCKET_W1_S_HBT)) - 1)
+#define TIM_BUCKET_W1_S_SBT            (32)
+#define TIM_BUCKET_W1_M_SBT            ((1ULL <<       \
+                                        (TIM_BUCKET_W1_S_HBT -             \
+                                         TIM_BUCKET_W1_S_SBT)) - 1)
+#define TIM_BUCKET_W1_S_NUM_ENTRIES    (0)
+#define TIM_BUCKET_W1_M_NUM_ENTRIES    ((1ULL <<       \
+                                        (TIM_BUCKET_W1_S_SBT -             \
+                                         TIM_BUCKET_W1_S_NUM_ENTRIES)) - 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 OTX2_MAX_TIM_RINGS             (256)
+#define OTX2_TIM_MAX_BUCKETS           (0xFFFFF)
+#define OTX2_TIM_RING_DEF_CHUNK_SZ     (4096)
+#define OTX2_TIM_CHUNK_ALIGNMENT       (16)
+#define OTX2_TIM_MAX_BURST             (RTE_CACHE_LINE_SIZE / \
+                                               OTX2_TIM_CHUNK_ALIGNMENT)
+#define OTX2_TIM_NB_CHUNK_SLOTS(sz)    (((sz) / OTX2_TIM_CHUNK_ALIGNMENT) - 1)
+#define OTX2_TIM_MIN_CHUNK_SLOTS       (0x8)
+#define OTX2_TIM_MAX_CHUNK_SLOTS       (0x1FFE)
+#define OTX2_TIM_MIN_TMO_TKS           (256)
+
+#define OTX2_TIM_SP             0x1
+#define OTX2_TIM_MP             0x2
+#define OTX2_TIM_ENA_FB         0x10
+#define OTX2_TIM_ENA_DFB        0x20
+#define OTX2_TIM_ENA_STATS      0x40
+
+enum otx2_tim_clk_src {
+       OTX2_TIM_CLK_SRC_10NS = RTE_EVENT_TIMER_ADAPTER_CPU_CLK,
+       OTX2_TIM_CLK_SRC_GPIO = RTE_EVENT_TIMER_ADAPTER_EXT_CLK0,
+       OTX2_TIM_CLK_SRC_GTI  = RTE_EVENT_TIMER_ADAPTER_EXT_CLK1,
+       OTX2_TIM_CLK_SRC_PTP  = RTE_EVENT_TIMER_ADAPTER_EXT_CLK2,
+};
+
+struct otx2_tim_bkt {
+       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(32);
+
+struct otx2_tim_ent {
+       uint64_t w0;
+       uint64_t wqe;
+} __rte_packed;
+
+struct otx2_tim_ctl {
+       uint16_t ring;
+       uint16_t chunk_slots;
+       uint16_t disable_npa;
+       uint16_t enable_stats;
+};
+
 struct otx2_tim_evdev {
        struct rte_pci_device *pci_dev;
+       struct rte_eventdev *event_dev;
        struct otx2_mbox *mbox;
        uint16_t nb_rings;
+       uint32_t chunk_sz;
        uintptr_t bar2;
+       /* Dev args */
+       uint8_t disable_npa;
+       uint16_t chunk_slots;
+       uint16_t min_ring_cnt;
+       uint8_t enable_stats;
+       uint16_t ring_ctl_cnt;
+       struct otx2_tim_ctl *ring_ctl_data;
+       /* HW const */
+       /* MSIX offsets */
+       uint16_t tim_msixoff[OTX2_MAX_TIM_RINGS];
 };
 
+struct otx2_tim_ring {
+       uintptr_t base;
+       uint16_t nb_chunk_slots;
+       uint32_t nb_bkts;
+       uint64_t last_updt_cyc;
+       uint64_t ring_start_cyc;
+       uint64_t tck_int;
+       uint64_t tot_int;
+       struct otx2_tim_bkt *bkt;
+       struct rte_mempool *chunk_pool;
+       struct rte_reciprocal_u64 fast_div;
+       struct rte_reciprocal_u64 fast_bkt;
+       uint64_t arm_cnt;
+       uint8_t prod_type_sp;
+       uint8_t enable_stats;
+       uint8_t disable_npa;
+       uint8_t ena_dfb;
+       uint8_t ena_periodic;
+       uint16_t ring_id;
+       uint32_t aura;
+       uint64_t nb_timers;
+       uint64_t tck_nsec;
+       uint64_t max_tout;
+       uint64_t nb_chunks;
+       uint64_t chunk_sz;
+       uint64_t tenns_clk_freq;
+       enum otx2_tim_clk_src clk_src;
+} __rte_cache_aligned;
+
 static inline struct otx2_tim_evdev *
 tim_priv_get(void)
 {
@@ -30,7 +177,80 @@ tim_priv_get(void)
        return mz->addr;
 }
 
+#ifdef RTE_ARCH_ARM64
+static inline uint64_t
+tim_cntvct(void)
+{
+       return __rte_arm64_cntvct();
+}
+
+static inline uint64_t
+tim_cntfrq(void)
+{
+       return __rte_arm64_cntfrq();
+}
+#else
+static inline uint64_t
+tim_cntvct(void)
+{
+       return 0;
+}
+
+static inline uint64_t
+tim_cntfrq(void)
+{
+       return 0;
+}
+#endif
+
+#define TIM_ARM_FASTPATH_MODES                                                 \
+       FP(sp, 0, 0, 0, OTX2_TIM_ENA_DFB | OTX2_TIM_SP)                        \
+       FP(mp, 0, 0, 1, OTX2_TIM_ENA_DFB | OTX2_TIM_MP)                        \
+       FP(fb_sp, 0, 1, 0, OTX2_TIM_ENA_FB | OTX2_TIM_SP)                      \
+       FP(fb_mp, 0, 1, 1, OTX2_TIM_ENA_FB | OTX2_TIM_MP)                      \
+       FP(stats_mod_sp, 1, 0, 0,                                              \
+          OTX2_TIM_ENA_STATS | OTX2_TIM_ENA_DFB | OTX2_TIM_SP)                \
+       FP(stats_mod_mp, 1, 0, 1,                                              \
+          OTX2_TIM_ENA_STATS | OTX2_TIM_ENA_DFB | OTX2_TIM_MP)                \
+       FP(stats_mod_fb_sp, 1, 1, 0,                                           \
+          OTX2_TIM_ENA_STATS | OTX2_TIM_ENA_FB | OTX2_TIM_SP)                 \
+       FP(stats_mod_fb_mp, 1, 1, 1,                                           \
+          OTX2_TIM_ENA_STATS | OTX2_TIM_ENA_FB | OTX2_TIM_MP)
+
+#define TIM_ARM_TMO_FASTPATH_MODES                                             \
+       FP(dfb, 0, 0, OTX2_TIM_ENA_DFB)                                        \
+       FP(fb, 0, 1, OTX2_TIM_ENA_FB)                                          \
+       FP(stats_dfb, 1, 0, OTX2_TIM_ENA_STATS | OTX2_TIM_ENA_DFB)             \
+       FP(stats_fb, 1, 1, OTX2_TIM_ENA_STATS | OTX2_TIM_ENA_FB)
+
+#define FP(_name, _f3, _f2, _f1, flags)                                        \
+       uint16_t otx2_tim_arm_burst_##_name(                                   \
+               const struct rte_event_timer_adapter *adptr,                   \
+               struct rte_event_timer **tim, const uint16_t nb_timers);
+TIM_ARM_FASTPATH_MODES
+#undef FP
+
+#define FP(_name, _f2, _f1, flags)                                             \
+       uint16_t otx2_tim_arm_tmo_tick_burst_##_name(                          \
+               const struct rte_event_timer_adapter *adptr,                   \
+               struct rte_event_timer **tim, const uint64_t timeout_tick,     \
+               const uint16_t nb_timers);
+TIM_ARM_TMO_FASTPATH_MODES
+#undef FP
+
+uint16_t otx2_tim_timer_cancel_burst(
+               const struct rte_event_timer_adapter *adptr,
+               struct rte_event_timer **tim, const uint16_t nb_timers);
+
+int otx2_tim_caps_get(const struct rte_eventdev *dev, uint64_t flags,
+                     uint32_t *caps,
+                     const struct rte_event_timer_adapter_ops **ops);
+
 void otx2_tim_init(struct rte_pci_device *pci_dev, struct otx2_dev *cmn_dev);
 void otx2_tim_fini(void);
 
+/* TIM IRQ */
+int tim_register_irq(uint16_t ring_id);
+void tim_unregister_irq(uint16_t ring_id);
+
 #endif /* __OTX2_TIM_EVDEV_H__ */