static void tool_db_event(void *ctx, int vec)
{
struct tool_ctx *tc = ctx;
u64 db_bits, db_mask;
db_mask = ntb_db_vector_mask(tc->ntb, vec);
db_bits = ntb_db_read(tc->ntb);
dev_dbg(&tc->ntb->dev, "doorbell vec %d mask %#llx bits %#llx\n",
vec, db_mask, db_bits);
}
static void perf_db_event(void *ctx, int vec)
{
struct perf_ctx *perf = ctx;
u64 db_bits, db_mask;
db_mask = ntb_db_vector_mask(perf->ntb, vec);
db_bits = ntb_db_read(perf->ntb);
dev_dbg(&perf->ntb->dev, "doorbell vec %d mask %#llx bits %#llx\n",
vec, db_mask, db_bits);
}
static void
ntb_transport_doorbell_callback(void *data, uint32_t vector)
{
struct ntb_transport_ctx *nt = data;
struct ntb_transport_qp *qp;
struct _qpset db_bits;
uint64_t vec_mask;
unsigned qp_num;
BIT_COPY(QP_SETSIZE, &nt->qp_bitmap, &db_bits);
BIT_NAND(QP_SETSIZE, &db_bits, &nt->qp_bitmap_free);
vec_mask = ntb_db_vector_mask(nt->ntb, vector);
while (vec_mask != 0) {
qp_num = ffsll(vec_mask) - 1;
if (test_bit(qp_num, &db_bits)) {
qp = &nt->qp_vec[qp_num];
taskqueue_enqueue(taskqueue_swi, &qp->rxc_db_work);
}
vec_mask &= ~(1ull << qp_num);
}
}
