uint32_t *flags,
int num_frames);
+static int
+qbman_swp_enqueue_multiple_fd_direct(struct qbman_swp *s,
+ const struct qbman_eq_desc *d,
+ struct qbman_fd **fd,
+ uint32_t *flags,
+ int num_frames);
+
+static int
+qbman_swp_enqueue_multiple_fd_mem_back(struct qbman_swp *s,
+ const struct qbman_eq_desc *d,
+ struct qbman_fd **fd,
+ uint32_t *flags,
+ int num_frames);
+
static int
qbman_swp_enqueue_multiple_desc_direct(struct qbman_swp *s,
const struct qbman_eq_desc *d,
int num_frames)
= qbman_swp_enqueue_multiple_direct;
+static int (*qbman_swp_enqueue_multiple_fd_ptr)(struct qbman_swp *s,
+ const struct qbman_eq_desc *d,
+ struct qbman_fd **fd,
+ uint32_t *flags,
+ int num_frames)
+ = qbman_swp_enqueue_multiple_fd_direct;
+
static int (*qbman_swp_enqueue_multiple_desc_ptr)(struct qbman_swp *s,
const struct qbman_eq_desc *d,
const struct qbman_fd *fd,
qbman_swp_enqueue_ring_mode_mem_back;
qbman_swp_enqueue_multiple_ptr =
qbman_swp_enqueue_multiple_mem_back;
+ qbman_swp_enqueue_multiple_fd_ptr =
+ qbman_swp_enqueue_multiple_fd_mem_back;
qbman_swp_enqueue_multiple_desc_ptr =
qbman_swp_enqueue_multiple_desc_mem_back;
qbman_swp_pull_ptr = qbman_swp_pull_mem_back;
return qbman_swp_enqueue_multiple_ptr(s, d, fd, flags, num_frames);
}
+static int qbman_swp_enqueue_multiple_fd_direct(struct qbman_swp *s,
+ const struct qbman_eq_desc *d,
+ struct qbman_fd **fd,
+ uint32_t *flags,
+ int num_frames)
+{
+ uint32_t *p = NULL;
+ const uint32_t *cl = qb_cl(d);
+ uint32_t eqcr_ci, eqcr_pi, half_mask, full_mask;
+ int i, num_enqueued = 0;
+ uint64_t addr_cena;
+
+ half_mask = (s->eqcr.pi_ci_mask>>1);
+ full_mask = s->eqcr.pi_ci_mask;
+ if (!s->eqcr.available) {
+ eqcr_ci = s->eqcr.ci;
+ s->eqcr.ci = qbman_cena_read_reg(&s->sys,
+ QBMAN_CENA_SWP_EQCR_CI) & full_mask;
+ s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size,
+ eqcr_ci, s->eqcr.ci);
+ if (!s->eqcr.available)
+ return 0;
+ }
+
+ eqcr_pi = s->eqcr.pi;
+ num_enqueued = (s->eqcr.available < num_frames) ?
+ s->eqcr.available : num_frames;
+ s->eqcr.available -= num_enqueued;
+ /* Fill in the EQCR ring */
+ for (i = 0; i < num_enqueued; i++) {
+ p = qbman_cena_write_start_wo_shadow(&s->sys,
+ QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
+ memcpy(&p[1], &cl[1], 28);
+ memcpy(&p[8], fd[i], sizeof(struct qbman_fd));
+ eqcr_pi++;
+ }
+
+ lwsync();
+
+ /* Set the verb byte, have to substitute in the valid-bit */
+ eqcr_pi = s->eqcr.pi;
+ for (i = 0; i < num_enqueued; i++) {
+ p = qbman_cena_write_start_wo_shadow(&s->sys,
+ QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
+ p[0] = cl[0] | s->eqcr.pi_vb;
+ if (flags && (flags[i] & QBMAN_ENQUEUE_FLAG_DCA)) {
+ struct qbman_eq_desc *d = (struct qbman_eq_desc *)p;
+
+ d->eq.dca = (1 << QB_ENQUEUE_CMD_DCA_EN_SHIFT) |
+ ((flags[i]) & QBMAN_EQCR_DCA_IDXMASK);
+ }
+ eqcr_pi++;
+ if (!(eqcr_pi & half_mask))
+ s->eqcr.pi_vb ^= QB_VALID_BIT;
+ }
+
+ /* Flush all the cacheline without load/store in between */
+ eqcr_pi = s->eqcr.pi;
+ addr_cena = (size_t)s->sys.addr_cena;
+ for (i = 0; i < num_enqueued; i++) {
+ dcbf(addr_cena +
+ QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
+ eqcr_pi++;
+ }
+ s->eqcr.pi = eqcr_pi & full_mask;
+
+ return num_enqueued;
+}
+
+static int qbman_swp_enqueue_multiple_fd_mem_back(struct qbman_swp *s,
+ const struct qbman_eq_desc *d,
+ struct qbman_fd **fd,
+ uint32_t *flags,
+ int num_frames)
+{
+ uint32_t *p = NULL;
+ const uint32_t *cl = qb_cl(d);
+ uint32_t eqcr_ci, eqcr_pi, half_mask, full_mask;
+ int i, num_enqueued = 0;
+
+ half_mask = (s->eqcr.pi_ci_mask>>1);
+ full_mask = s->eqcr.pi_ci_mask;
+ if (!s->eqcr.available) {
+ eqcr_ci = s->eqcr.ci;
+ s->eqcr.ci = qbman_cena_read_reg(&s->sys,
+ QBMAN_CENA_SWP_EQCR_CI_MEMBACK) & full_mask;
+ s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size,
+ eqcr_ci, s->eqcr.ci);
+ if (!s->eqcr.available)
+ return 0;
+ }
+
+ eqcr_pi = s->eqcr.pi;
+ num_enqueued = (s->eqcr.available < num_frames) ?
+ s->eqcr.available : num_frames;
+ s->eqcr.available -= num_enqueued;
+ /* Fill in the EQCR ring */
+ for (i = 0; i < num_enqueued; i++) {
+ p = qbman_cena_write_start_wo_shadow(&s->sys,
+ QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
+ memcpy(&p[1], &cl[1], 28);
+ memcpy(&p[8], fd[i], sizeof(struct qbman_fd));
+ eqcr_pi++;
+ }
+
+ /* Set the verb byte, have to substitute in the valid-bit */
+ eqcr_pi = s->eqcr.pi;
+ for (i = 0; i < num_enqueued; i++) {
+ p = qbman_cena_write_start_wo_shadow(&s->sys,
+ QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
+ p[0] = cl[0] | s->eqcr.pi_vb;
+ if (flags && (flags[i] & QBMAN_ENQUEUE_FLAG_DCA)) {
+ struct qbman_eq_desc *d = (struct qbman_eq_desc *)p;
+
+ d->eq.dca = (1 << QB_ENQUEUE_CMD_DCA_EN_SHIFT) |
+ ((flags[i]) & QBMAN_EQCR_DCA_IDXMASK);
+ }
+ eqcr_pi++;
+ if (!(eqcr_pi & half_mask))
+ s->eqcr.pi_vb ^= QB_VALID_BIT;
+ }
+ s->eqcr.pi = eqcr_pi & full_mask;
+
+ dma_wmb();
+ qbman_cinh_write(&s->sys, QBMAN_CINH_SWP_EQCR_PI,
+ (QB_RT_BIT)|(s->eqcr.pi)|s->eqcr.pi_vb);
+ return num_enqueued;
+}
+
+inline int qbman_swp_enqueue_multiple_fd(struct qbman_swp *s,
+ const struct qbman_eq_desc *d,
+ struct qbman_fd **fd,
+ uint32_t *flags,
+ int num_frames)
+{
+ return qbman_swp_enqueue_multiple_fd_ptr(s, d, fd, flags, num_frames);
+}
+
static int qbman_swp_enqueue_multiple_desc_direct(struct qbman_swp *s,
const struct qbman_eq_desc *d,
const struct qbman_fd *fd,