raw/octeontx2_ep: add device uninitialization
Add rawdev close/uninitialize operation for SDP VF devices. Signed-off-by: Mahipal Challa <mchalla@marvell.com> Reviewed-by: Gavin Hu <gavin.hu@arm.com>
This commit is contained in:
Mahipal Challa
Thomas Monjalon
parent
81fd15a2ac
commit
f2cccd860c
@ -21,6 +21,59 @@
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#include "otx2_common.h"
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#include "otx2_ep_enqdeq.h"
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static void
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sdp_dmazone_free(const struct rte_memzone *mz)
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{
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const struct rte_memzone *mz_tmp;
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int ret = 0;
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if (mz == NULL) {
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otx2_err("Memzone %s : NULL", mz->name);
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return;
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}
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mz_tmp = rte_memzone_lookup(mz->name);
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if (mz_tmp == NULL) {
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otx2_err("Memzone %s Not Found", mz->name);
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return;
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}
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ret = rte_memzone_free(mz);
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if (ret)
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otx2_err("Memzone free failed : ret = %d", ret);
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}
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/* Free IQ resources */
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int
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sdp_delete_iqs(struct sdp_device *sdpvf, uint32_t iq_no)
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{
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struct sdp_instr_queue *iq;
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iq = sdpvf->instr_queue[iq_no];
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if (iq == NULL) {
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otx2_err("Invalid IQ[%d]\n", iq_no);
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return -ENOMEM;
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}
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rte_free(iq->req_list);
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iq->req_list = NULL;
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if (iq->iq_mz) {
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sdp_dmazone_free(iq->iq_mz);
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iq->iq_mz = NULL;
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}
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rte_free(sdpvf->instr_queue[iq_no]);
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sdpvf->instr_queue[iq_no] = NULL;
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sdpvf->num_iqs--;
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otx2_info("IQ[%d] is deleted", iq_no);
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return 0;
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}
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/* IQ initialization */
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static int
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sdp_init_instr_queue(struct sdp_device *sdpvf, int iq_no)
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@ -126,6 +179,7 @@ sdp_setup_iqs(struct sdp_device *sdpvf, uint32_t iq_no)
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return 0;
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delete_IQ:
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sdp_delete_iqs(sdpvf, iq_no);
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return -ENOMEM;
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}
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@ -139,6 +193,61 @@ sdp_droq_reset_indices(struct sdp_droq *droq)
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rte_atomic64_set(&droq->pkts_pending, 0);
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}
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static void
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sdp_droq_destroy_ring_buffers(struct sdp_device *sdpvf,
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struct sdp_droq *droq)
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{
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uint32_t idx;
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for (idx = 0; idx < droq->nb_desc; idx++) {
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if (droq->recv_buf_list[idx].buffer) {
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rte_mempool_put(sdpvf->enqdeq_mpool,
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droq->recv_buf_list[idx].buffer);
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droq->recv_buf_list[idx].buffer = NULL;
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}
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}
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sdp_droq_reset_indices(droq);
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}
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/* Free OQs resources */
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int
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sdp_delete_oqs(struct sdp_device *sdpvf, uint32_t oq_no)
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{
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struct sdp_droq *droq;
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droq = sdpvf->droq[oq_no];
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if (droq == NULL) {
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otx2_err("Invalid droq[%d]", oq_no);
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return -ENOMEM;
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}
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sdp_droq_destroy_ring_buffers(sdpvf, droq);
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rte_free(droq->recv_buf_list);
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droq->recv_buf_list = NULL;
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if (droq->info_mz) {
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sdp_dmazone_free(droq->info_mz);
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droq->info_mz = NULL;
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}
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if (droq->desc_ring_mz) {
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sdp_dmazone_free(droq->desc_ring_mz);
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droq->desc_ring_mz = NULL;
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}
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memset(droq, 0, SDP_DROQ_SIZE);
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rte_free(sdpvf->droq[oq_no]);
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sdpvf->droq[oq_no] = NULL;
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sdpvf->num_oqs--;
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otx2_info("OQ[%d] is deleted", oq_no);
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return 0;
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}
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static int
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sdp_droq_setup_ring_buffers(struct sdp_device *sdpvf,
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struct sdp_droq *droq)
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@ -290,5 +399,7 @@ sdp_setup_oqs(struct sdp_device *sdpvf, uint32_t oq_no)
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return 0;
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delete_OQ:
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sdp_delete_oqs(sdpvf, oq_no);
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return -ENOMEM;
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}
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@ -62,6 +62,45 @@ sdp_get_defconf(struct sdp_device *sdp_dev __rte_unused)
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return default_conf;
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}
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static int
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sdp_vfdev_exit(struct rte_rawdev *rawdev)
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{
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struct sdp_device *sdpvf;
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uint32_t rawdev_queues, q;
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otx2_info("%s:", __func__);
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sdpvf = (struct sdp_device *)rawdev->dev_private;
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sdpvf->fn_list.disable_io_queues(sdpvf);
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rawdev_queues = sdpvf->num_oqs;
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for (q = 0; q < rawdev_queues; q++) {
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if (sdp_delete_oqs(sdpvf, q)) {
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otx2_err("Failed to delete OQ:%d", q);
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return -ENOMEM;
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}
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}
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otx2_info("Num OQs:%d freed", sdpvf->num_oqs);
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/* Free the oqbuf_pool */
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rte_mempool_free(sdpvf->enqdeq_mpool);
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sdpvf->enqdeq_mpool = NULL;
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otx2_info("Enqdeq_mpool free done");
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rawdev_queues = sdpvf->num_iqs;
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for (q = 0; q < rawdev_queues; q++) {
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if (sdp_delete_iqs(sdpvf, q)) {
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otx2_err("Failed to delete IQ:%d", q);
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return -ENOMEM;
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}
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}
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otx2_sdp_dbg("Num IQs:%d freed", sdpvf->num_iqs);
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return 0;
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}
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static int
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sdp_chip_specific_setup(struct sdp_device *sdpvf)
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{
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@ -142,12 +181,48 @@ sdp_vfdev_init(struct sdp_device *sdpvf)
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return 0;
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/* Error handling */
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oq_fail:
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/* Free the allocated OQs */
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for (q = 0; q < sdpvf->num_oqs; q++)
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sdp_delete_oqs(sdpvf, q);
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iq_fail:
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/* Free the allocated IQs */
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for (q = 0; q < sdpvf->num_iqs; q++)
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sdp_delete_iqs(sdpvf, q);
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setup_fail:
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return -ENOMEM;
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}
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static int
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sdp_rawdev_start(struct rte_rawdev *dev)
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{
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dev->started = 1;
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return 0;
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}
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static void
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sdp_rawdev_stop(struct rte_rawdev *dev)
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{
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dev->started = 0;
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}
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static int
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sdp_rawdev_close(struct rte_rawdev *dev)
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{
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int ret;
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ret = sdp_vfdev_exit(dev);
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if (ret) {
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otx2_err(" SDP_EP rawdev exit error");
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return ret;
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}
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return 0;
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}
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static int
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sdp_rawdev_configure(const struct rte_rawdev *dev, rte_rawdev_obj_t config)
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{
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@ -173,6 +248,9 @@ sdp_rawdev_configure(const struct rte_rawdev *dev, rte_rawdev_obj_t config)
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/* SDP VF endpoint rawdev ops */
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static const struct rte_rawdev_ops sdp_rawdev_ops = {
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.dev_configure = sdp_rawdev_configure,
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.dev_start = sdp_rawdev_start,
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.dev_stop = sdp_rawdev_stop,
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.dev_close = sdp_rawdev_close,
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};
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static int
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@ -378,10 +378,16 @@ struct sdp_config {
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struct sdp_fn_list {
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void (*setup_iq_regs)(struct sdp_device *sdpvf, uint32_t q_no);
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void (*setup_oq_regs)(struct sdp_device *sdpvf, uint32_t q_no);
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int (*setup_device_regs)(struct sdp_device *sdpvf);
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void (*enable_io_queues)(struct sdp_device *sdpvf);
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void (*disable_io_queues)(struct sdp_device *sdpvf);
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void (*enable_iq)(struct sdp_device *sdpvf, uint32_t q_no);
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void (*disable_iq)(struct sdp_device *sdpvf, uint32_t q_no);
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void (*enable_oq)(struct sdp_device *sdpvf, uint32_t q_no);
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void (*disable_oq)(struct sdp_device *sdpvf, uint32_t q_no);
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};
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/* SRIOV information */
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@ -447,7 +453,9 @@ struct sdp_device {
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const struct sdp_config *sdp_get_defconf(struct sdp_device *sdp_dev);
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int sdp_setup_iqs(struct sdp_device *sdpvf, uint32_t iq_no);
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int sdp_delete_iqs(struct sdp_device *sdpvf, uint32_t iq_no);
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int sdp_setup_oqs(struct sdp_device *sdpvf, uint32_t oq_no);
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int sdp_delete_oqs(struct sdp_device *sdpvf, uint32_t oq_no);
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#endif /* _OTX2_EP_RAWDEV_H_ */
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@ -371,6 +371,44 @@ sdp_vf_enable_io_queues(struct sdp_device *sdpvf)
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sdp_vf_enable_oq(sdpvf, q_no);
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}
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static void
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sdp_vf_disable_iq(struct sdp_device *sdpvf, uint32_t q_no)
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{
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volatile uint64_t reg_val = 0ull;
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/* Reset the doorbell register for this Input Queue. */
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reg_val = otx2_read64(sdpvf->hw_addr + SDP_VF_R_IN_ENABLE(q_no));
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reg_val &= ~0x1ull;
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otx2_write64(reg_val, sdpvf->hw_addr + SDP_VF_R_IN_ENABLE(q_no));
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}
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static void
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sdp_vf_disable_oq(struct sdp_device *sdpvf, uint32_t q_no)
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{
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volatile uint64_t reg_val = 0ull;
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reg_val = otx2_read64(sdpvf->hw_addr + SDP_VF_R_OUT_ENABLE(q_no));
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reg_val &= ~0x1ull;
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otx2_write64(reg_val, sdpvf->hw_addr + SDP_VF_R_OUT_ENABLE(q_no));
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}
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static void
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sdp_vf_disable_io_queues(struct sdp_device *sdpvf)
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{
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uint32_t q_no = 0;
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/* Disable Input Queues. */
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for (q_no = 0; q_no < sdpvf->num_iqs; q_no++)
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sdp_vf_disable_iq(sdpvf, q_no);
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/* Disable Output Queues. */
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for (q_no = 0; q_no < sdpvf->num_oqs; q_no++)
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sdp_vf_disable_oq(sdpvf, q_no);
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}
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int
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sdp_vf_setup_device(struct sdp_device *sdpvf)
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{
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@ -396,10 +434,16 @@ sdp_vf_setup_device(struct sdp_device *sdpvf)
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sdpvf->fn_list.setup_iq_regs = sdp_vf_setup_iq_regs;
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sdpvf->fn_list.setup_oq_regs = sdp_vf_setup_oq_regs;
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sdpvf->fn_list.setup_device_regs = sdp_vf_setup_device_regs;
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sdpvf->fn_list.enable_io_queues = sdp_vf_enable_io_queues;
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sdpvf->fn_list.disable_io_queues = sdp_vf_disable_io_queues;
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sdpvf->fn_list.enable_iq = sdp_vf_enable_iq;
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sdpvf->fn_list.disable_iq = sdp_vf_disable_iq;
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sdpvf->fn_list.enable_oq = sdp_vf_enable_oq;
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sdpvf->fn_list.disable_oq = sdp_vf_disable_oq;
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return 0;
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