struct tim_lf_alloc_req *req;
struct tim_lf_alloc_rsp *rsp;
uint64_t nb_timers;
- int rc;
+ int i, rc;
if (dev == NULL)
return -ENODEV;
tim_ring->disable_npa = dev->disable_npa;
tim_ring->enable_stats = dev->enable_stats;
+ for (i = 0; i < dev->ring_ctl_cnt ; i++) {
+ struct otx2_tim_ctl *ring_ctl = &dev->ring_ctl_data[i];
+
+ if (ring_ctl->ring == tim_ring->ring_id) {
+ tim_ring->chunk_sz = ring_ctl->chunk_slots ?
+ ((uint32_t)(ring_ctl->chunk_slots + 1) *
+ OTX2_TIM_CHUNK_ALIGNMENT) : tim_ring->chunk_sz;
+ tim_ring->enable_stats = ring_ctl->enable_stats;
+ tim_ring->disable_npa = ring_ctl->disable_npa;
+ }
+ }
+
tim_ring->nb_chunks = nb_timers / OTX2_TIM_NB_CHUNK_SLOTS(
tim_ring->chunk_sz);
tim_ring->nb_chunk_slots = OTX2_TIM_NB_CHUNK_SLOTS(tim_ring->chunk_sz);
return rc;
}
+static int
+otx2_tim_ring_start(const struct rte_event_timer_adapter *adptr)
+{
+ struct otx2_tim_ring *tim_ring = adptr->data->adapter_priv;
+ struct otx2_tim_evdev *dev = tim_priv_get();
+ struct tim_enable_rsp *rsp;
+ struct tim_ring_req *req;
+ int rc;
+
+ if (dev == NULL)
+ return -ENODEV;
+
+ req = otx2_mbox_alloc_msg_tim_enable_ring(dev->mbox);
+ req->ring = tim_ring->ring_id;
+
+ rc = otx2_mbox_process_msg(dev->mbox, (void **)&rsp);
+ if (rc < 0) {
+ tim_err_desc(rc);
+ goto fail;
+ }
+#ifdef RTE_ARM_EAL_RDTSC_USE_PMU
+ uint64_t tenns_stmp, tenns_diff;
+ uint64_t pmu_stmp;
+
+ pmu_stmp = rte_rdtsc();
+ asm volatile("mrs %0, cntvct_el0" : "=r" (tenns_stmp));
+
+ tenns_diff = tenns_stmp - rsp->timestarted;
+ pmu_stmp = pmu_stmp - (NSEC2TICK(tenns_diff * 10, rte_get_timer_hz()));
+ tim_ring->ring_start_cyc = pmu_stmp;
+#else
+ tim_ring->ring_start_cyc = rsp->timestarted;
+#endif
+ tim_ring->tck_int = NSEC2TICK(tim_ring->tck_nsec, rte_get_timer_hz());
+ tim_ring->fast_div = rte_reciprocal_value_u64(tim_ring->tck_int);
+
+fail:
+ return rc;
+}
+
+static int
+otx2_tim_ring_stop(const struct rte_event_timer_adapter *adptr)
+{
+ struct otx2_tim_ring *tim_ring = adptr->data->adapter_priv;
+ struct otx2_tim_evdev *dev = tim_priv_get();
+ struct tim_ring_req *req;
+ int rc;
+
+ if (dev == NULL)
+ return -ENODEV;
+
+ req = otx2_mbox_alloc_msg_tim_disable_ring(dev->mbox);
+ req->ring = tim_ring->ring_id;
+
+ rc = otx2_mbox_process(dev->mbox);
+ if (rc < 0) {
+ tim_err_desc(rc);
+ rc = -EBUSY;
+ }
+
+ return rc;
+}
+
static int
otx2_tim_ring_free(struct rte_event_timer_adapter *adptr)
{
struct otx2_tim_evdev *dev = tim_priv_get();
RTE_SET_USED(flags);
+
if (dev == NULL)
return -ENODEV;
otx2_tim_ops.init = otx2_tim_ring_create;
otx2_tim_ops.uninit = otx2_tim_ring_free;
+ otx2_tim_ops.start = otx2_tim_ring_start;
+ otx2_tim_ops.stop = otx2_tim_ring_stop;
otx2_tim_ops.get_info = otx2_tim_ring_info_get;
if (dev->enable_stats) {
#define OTX2_TIM_DISABLE_NPA "tim_disable_npa"
#define OTX2_TIM_CHNK_SLOTS "tim_chnk_slots"
#define OTX2_TIM_STATS_ENA "tim_stats_ena"
+#define OTX2_TIM_RINGS_LMT "tim_rings_lmt"
+#define OTX2_TIM_RING_CTL "tim_ring_ctl"
+
+static void
+tim_parse_ring_param(char *value, void *opaque)
+{
+ struct otx2_tim_evdev *dev = opaque;
+ struct otx2_tim_ctl ring_ctl = {0};
+ char *tok = strtok(value, "-");
+ struct otx2_tim_ctl *old_ptr;
+ uint16_t *val;
+
+ val = (uint16_t *)&ring_ctl;
+
+ if (!strlen(value))
+ return;
+
+ while (tok != NULL) {
+ *val = atoi(tok);
+ tok = strtok(NULL, "-");
+ val++;
+ }
+
+ if (val != (&ring_ctl.enable_stats + 1)) {
+ otx2_err(
+ "Invalid ring param expected [ring-chunk_sz-disable_npa-enable_stats]");
+ return;
+ }
+
+ dev->ring_ctl_cnt++;
+ old_ptr = dev->ring_ctl_data;
+ dev->ring_ctl_data = rte_realloc(dev->ring_ctl_data,
+ sizeof(struct otx2_tim_ctl) *
+ dev->ring_ctl_cnt, 0);
+ if (dev->ring_ctl_data == NULL) {
+ dev->ring_ctl_data = old_ptr;
+ dev->ring_ctl_cnt--;
+ return;
+ }
+
+ dev->ring_ctl_data[dev->ring_ctl_cnt - 1] = ring_ctl;
+}
+
+static void
+tim_parse_ring_ctl_list(const char *value, void *opaque)
+{
+ char *s = strdup(value);
+ char *start = NULL;
+ char *end = NULL;
+ char *f = s;
+
+ while (*s) {
+ if (*s == '[')
+ start = s;
+ else if (*s == ']')
+ end = s;
+
+ if (start && start < end) {
+ *end = 0;
+ tim_parse_ring_param(start + 1, opaque);
+ start = end;
+ s = end;
+ }
+ s++;
+ }
+
+ free(f);
+}
+
+static int
+tim_parse_kvargs_dict(const char *key, const char *value, void *opaque)
+{
+ RTE_SET_USED(key);
+
+ /* Dict format [ring-chunk_sz-disable_npa-enable_stats] use '-' as ','
+ * isn't allowed. 0 represents default.
+ */
+ tim_parse_ring_ctl_list(value, opaque);
+
+ return 0;
+}
static void
tim_parse_devargs(struct rte_devargs *devargs, struct otx2_tim_evdev *dev)
&parse_kvargs_value, &dev->chunk_slots);
rte_kvargs_process(kvlist, OTX2_TIM_STATS_ENA, &parse_kvargs_flag,
&dev->enable_stats);
+ rte_kvargs_process(kvlist, OTX2_TIM_RINGS_LMT, &parse_kvargs_value,
+ &dev->min_ring_cnt);
+ rte_kvargs_process(kvlist, OTX2_TIM_RING_CTL,
+ &tim_parse_kvargs_dict, &dev);
+
+ rte_kvargs_free(kvlist);
}
void
goto mz_free;
}
- dev->nb_rings = rsrc_cnt->tim;
+ dev->nb_rings = dev->min_ring_cnt ?
+ RTE_MIN(dev->min_ring_cnt, rsrc_cnt->tim) : rsrc_cnt->tim;
if (!dev->nb_rings) {
otx2_tim_dbg("No TIM Logical functions provisioned.");
git.droids-corp.org / dpdk.git / blobdiff