static void mlxsw_pci_eq_tasklet(unsigned long data)
{
struct mlxsw_pci_queue *q = (struct mlxsw_pci_queue *) data;
struct mlxsw_pci *mlxsw_pci = q->pci;
u8 cq_count = mlxsw_pci_cq_count(mlxsw_pci);
unsigned long active_cqns[BITS_TO_LONGS(MLXSW_PCI_CQS_MAX)];
char *eqe;
u8 cqn;
bool cq_handle = false;
int items = 0;
int credits = q->count >> 1;
memset(&active_cqns, 0, sizeof(active_cqns));
while ((eqe = mlxsw_pci_eq_sw_eqe_get(q))) {
/* Command interface completion events are always received on
* queue MLXSW_PCI_EQ_ASYNC_NUM (EQ0) and completion events
* are mapped to queue MLXSW_PCI_EQ_COMP_NUM (EQ1).
*/
switch (q->num) {
case MLXSW_PCI_EQ_ASYNC_NUM:
mlxsw_pci_eq_cmd_event(mlxsw_pci, eqe);
q->u.eq.ev_cmd_count++;
break;
case MLXSW_PCI_EQ_COMP_NUM:
cqn = mlxsw_pci_eqe_cqn_get(eqe);
set_bit(cqn, active_cqns);
cq_handle = true;
q->u.eq.ev_comp_count++;
break;
default:
q->u.eq.ev_other_count++;
}
if (++items == credits)
break;
}
if (items) {
mlxsw_pci_queue_doorbell_consumer_ring(mlxsw_pci, q);
mlxsw_pci_queue_doorbell_arm_consumer_ring(mlxsw_pci, q);
}
if (!cq_handle)
return;
for_each_set_bit(cqn, active_cqns, cq_count) {
q = mlxsw_pci_cq_get(mlxsw_pci, cqn);
mlxsw_pci_queue_tasklet_schedule(q);
}
static void mlxsw_pci_eq_tasklet(unsigned long data)
{
struct mlxsw_pci_queue *q = (struct mlxsw_pci_queue *) data;
struct mlxsw_pci *mlxsw_pci = q->pci;
u8 cq_count = mlxsw_pci_cq_count(mlxsw_pci);
unsigned long active_cqns[BITS_TO_LONGS(MLXSW_PCI_CQS_MAX)];
char *eqe;
u8 cqn;
bool cq_handle = false;
int items = 0;
int credits = q->count >> 1;
memset(&active_cqns, 0, sizeof(active_cqns));
while ((eqe = mlxsw_pci_eq_sw_eqe_get(q))) {
u8 event_type = mlxsw_pci_eqe_event_type_get(eqe);
switch (event_type) {
case MLXSW_PCI_EQE_EVENT_TYPE_CMD:
mlxsw_pci_eq_cmd_event(mlxsw_pci, eqe);
q->u.eq.ev_cmd_count++;
break;
case MLXSW_PCI_EQE_EVENT_TYPE_COMP:
cqn = mlxsw_pci_eqe_cqn_get(eqe);
set_bit(cqn, active_cqns);
cq_handle = true;
q->u.eq.ev_comp_count++;
break;
default:
q->u.eq.ev_other_count++;
}
if (++items == credits)
break;
}
if (items) {
mlxsw_pci_queue_doorbell_consumer_ring(mlxsw_pci, q);
mlxsw_pci_queue_doorbell_arm_consumer_ring(mlxsw_pci, q);
}
if (!cq_handle)
return;
for_each_set_bit(cqn, active_cqns, cq_count) {
q = mlxsw_pci_cq_get(mlxsw_pci, cqn);
mlxsw_pci_queue_tasklet_schedule(q);
}
static int mlxsw_pci_cq_dbg_read(struct seq_file *file, void *data)
{
struct mlxsw_pci *mlxsw_pci = dev_get_drvdata(file->private);
struct mlxsw_pci_queue *q;
int i;
static const char hdr[] =
"NUM CONS_INDEX SDQ_COUNT RDQ_COUNT COUNT\n";
seq_printf(file, hdr);
for (i = 0; i < mlxsw_pci_cq_count(mlxsw_pci); i++) {
q = mlxsw_pci_cq_get(mlxsw_pci, i);
spin_lock_bh(&q->lock);
seq_printf(file, "%3d %10d %10d %10d %5d\n",
i, q->consumer_counter, q->u.cq.comp_sdq_count,
q->u.cq.comp_rdq_count, q->count);
spin_unlock_bh(&q->lock);
}
return 0;
}
