net/ice: add queue config in DCF

Add queues and Rx queue irqs configuration during device start
in DCF. The setup is sent to PF via virtchnl.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Signed-off-by: Ting Xu <ting.xu@intel.com>
Reviewed-by: Qiming Yang <qiming.yang@intel.com>
This commit is contained in:
Qi Zhang 2020-06-23 10:38:34 +08:00 committed by Ferruh Yigit
parent 3220d86538
commit 4b0d391f0e
3 changed files with 243 additions and 0 deletions

View File

@ -24,6 +24,7 @@
#include <rte_dev.h>
#include "ice_dcf.h"
#include "ice_rxtx.h"
#define ICE_DCF_AQ_LEN 32
#define ICE_DCF_AQ_BUF_SZ 4096
@ -825,3 +826,113 @@ ice_dcf_init_rss(struct ice_dcf_hw *hw)
return 0;
}
#define IAVF_RXDID_LEGACY_1 1
#define IAVF_RXDID_COMMS_GENERIC 16
int
ice_dcf_configure_queues(struct ice_dcf_hw *hw)
{
struct ice_rx_queue **rxq =
(struct ice_rx_queue **)hw->eth_dev->data->rx_queues;
struct ice_tx_queue **txq =
(struct ice_tx_queue **)hw->eth_dev->data->tx_queues;
struct virtchnl_vsi_queue_config_info *vc_config;
struct virtchnl_queue_pair_info *vc_qp;
struct dcf_virtchnl_cmd args;
uint16_t i, size;
int err;
size = sizeof(*vc_config) +
sizeof(vc_config->qpair[0]) * hw->num_queue_pairs;
vc_config = rte_zmalloc("cfg_queue", size, 0);
if (!vc_config)
return -ENOMEM;
vc_config->vsi_id = hw->vsi_res->vsi_id;
vc_config->num_queue_pairs = hw->num_queue_pairs;
for (i = 0, vc_qp = vc_config->qpair;
i < hw->num_queue_pairs;
i++, vc_qp++) {
vc_qp->txq.vsi_id = hw->vsi_res->vsi_id;
vc_qp->txq.queue_id = i;
if (i < hw->eth_dev->data->nb_tx_queues) {
vc_qp->txq.ring_len = txq[i]->nb_tx_desc;
vc_qp->txq.dma_ring_addr = txq[i]->tx_ring_dma;
}
vc_qp->rxq.vsi_id = hw->vsi_res->vsi_id;
vc_qp->rxq.queue_id = i;
vc_qp->rxq.max_pkt_size = rxq[i]->max_pkt_len;
if (i >= hw->eth_dev->data->nb_rx_queues)
continue;
vc_qp->rxq.ring_len = rxq[i]->nb_rx_desc;
vc_qp->rxq.dma_ring_addr = rxq[i]->rx_ring_dma;
vc_qp->rxq.databuffer_size = rxq[i]->rx_buf_len;
if (hw->vf_res->vf_cap_flags &
VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
hw->supported_rxdid &
BIT(IAVF_RXDID_COMMS_GENERIC)) {
vc_qp->rxq.rxdid = IAVF_RXDID_COMMS_GENERIC;
PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
"Queue[%d]", vc_qp->rxq.rxdid, i);
} else {
PMD_DRV_LOG(ERR, "RXDID 16 is not supported");
return -EINVAL;
}
}
memset(&args, 0, sizeof(args));
args.v_op = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
args.req_msg = (uint8_t *)vc_config;
args.req_msglen = size;
err = ice_dcf_execute_virtchnl_cmd(hw, &args);
if (err)
PMD_DRV_LOG(ERR, "Failed to execute command of"
" VIRTCHNL_OP_CONFIG_VSI_QUEUES");
rte_free(vc_config);
return err;
}
int
ice_dcf_config_irq_map(struct ice_dcf_hw *hw)
{
struct virtchnl_irq_map_info *map_info;
struct virtchnl_vector_map *vecmap;
struct dcf_virtchnl_cmd args;
int len, i, err;
len = sizeof(struct virtchnl_irq_map_info) +
sizeof(struct virtchnl_vector_map) * hw->nb_msix;
map_info = rte_zmalloc("map_info", len, 0);
if (!map_info)
return -ENOMEM;
map_info->num_vectors = hw->nb_msix;
for (i = 0; i < hw->nb_msix; i++) {
vecmap = &map_info->vecmap[i];
vecmap->vsi_id = hw->vsi_res->vsi_id;
vecmap->rxitr_idx = 0;
vecmap->vector_id = hw->msix_base + i;
vecmap->txq_map = 0;
vecmap->rxq_map = hw->rxq_map[hw->msix_base + i];
}
memset(&args, 0, sizeof(args));
args.v_op = VIRTCHNL_OP_CONFIG_IRQ_MAP;
args.req_msg = (u8 *)map_info;
args.req_msglen = len;
err = ice_dcf_execute_virtchnl_cmd(hw, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command OP_CONFIG_IRQ_MAP");
rte_free(map_info);
return err;
}

View File

@ -54,6 +54,10 @@ struct ice_dcf_hw {
uint8_t *rss_key;
uint64_t supported_rxdid;
uint16_t num_queue_pairs;
uint16_t msix_base;
uint16_t nb_msix;
uint16_t rxq_map[16];
};
int ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,
@ -64,5 +68,7 @@ int ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw);
int ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw);
void ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw);
int ice_dcf_init_rss(struct ice_dcf_hw *hw);
int ice_dcf_configure_queues(struct ice_dcf_hw *hw);
int ice_dcf_config_irq_map(struct ice_dcf_hw *hw);
#endif /* _ICE_DCF_H_ */

View File

@ -114,10 +114,124 @@ ice_dcf_init_rx_queues(struct rte_eth_dev *dev)
return 0;
}
#define IAVF_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
#define IAVF_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
#define IAVF_ITR_INDEX_DEFAULT 0
#define IAVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
#define IAVF_QUEUE_ITR_INTERVAL_MAX 8160 /* 8160 us */
static inline uint16_t
iavf_calc_itr_interval(int16_t interval)
{
if (interval < 0 || interval > IAVF_QUEUE_ITR_INTERVAL_MAX)
interval = IAVF_QUEUE_ITR_INTERVAL_DEFAULT;
/* Convert to hardware count, as writing each 1 represents 2 us */
return interval / 2;
}
static int
ice_dcf_config_rx_queues_irqs(struct rte_eth_dev *dev,
struct rte_intr_handle *intr_handle)
{
struct ice_dcf_adapter *adapter = dev->data->dev_private;
struct ice_dcf_hw *hw = &adapter->real_hw;
uint16_t interval, i;
int vec;
if (rte_intr_cap_multiple(intr_handle) &&
dev->data->dev_conf.intr_conf.rxq) {
if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
return -1;
}
if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
intr_handle->intr_vec =
rte_zmalloc("intr_vec",
dev->data->nb_rx_queues * sizeof(int), 0);
if (!intr_handle->intr_vec) {
PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
dev->data->nb_rx_queues);
return -1;
}
}
if (!dev->data->dev_conf.intr_conf.rxq ||
!rte_intr_dp_is_en(intr_handle)) {
/* Rx interrupt disabled, Map interrupt only for writeback */
hw->nb_msix = 1;
if (hw->vf_res->vf_cap_flags &
VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
/* If WB_ON_ITR supports, enable it */
hw->msix_base = IAVF_RX_VEC_START;
IAVF_WRITE_REG(&hw->avf,
IAVF_VFINT_DYN_CTLN1(hw->msix_base - 1),
IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
} else {
/* If no WB_ON_ITR offload flags, need to set
* interrupt for descriptor write back.
*/
hw->msix_base = IAVF_MISC_VEC_ID;
/* set ITR to max */
interval =
iavf_calc_itr_interval(IAVF_QUEUE_ITR_INTERVAL_MAX);
IAVF_WRITE_REG(&hw->avf, IAVF_VFINT_DYN_CTL01,
IAVF_VFINT_DYN_CTL01_INTENA_MASK |
(IAVF_ITR_INDEX_DEFAULT <<
IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
(interval <<
IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
}
IAVF_WRITE_FLUSH(&hw->avf);
/* map all queues to the same interrupt */
for (i = 0; i < dev->data->nb_rx_queues; i++)
hw->rxq_map[hw->msix_base] |= 1 << i;
} else {
if (!rte_intr_allow_others(intr_handle)) {
hw->nb_msix = 1;
hw->msix_base = IAVF_MISC_VEC_ID;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
hw->rxq_map[hw->msix_base] |= 1 << i;
intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
}
PMD_DRV_LOG(DEBUG,
"vector %u are mapping to all Rx queues",
hw->msix_base);
} else {
/* If Rx interrupt is reuquired, and we can use
* multi interrupts, then the vec is from 1
*/
hw->nb_msix = RTE_MIN(hw->vf_res->max_vectors,
intr_handle->nb_efd);
hw->msix_base = IAVF_MISC_VEC_ID;
vec = IAVF_MISC_VEC_ID;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
hw->rxq_map[vec] |= 1 << i;
intr_handle->intr_vec[i] = vec++;
if (vec >= hw->nb_msix)
vec = IAVF_RX_VEC_START;
}
PMD_DRV_LOG(DEBUG,
"%u vectors are mapping to %u Rx queues",
hw->nb_msix, dev->data->nb_rx_queues);
}
}
if (ice_dcf_config_irq_map(hw)) {
PMD_DRV_LOG(ERR, "config interrupt mapping failed");
return -1;
}
return 0;
}
static int
ice_dcf_dev_start(struct rte_eth_dev *dev)
{
struct ice_dcf_adapter *dcf_ad = dev->data->dev_private;
struct rte_intr_handle *intr_handle = dev->intr_handle;
struct ice_adapter *ad = &dcf_ad->parent;
struct ice_dcf_hw *hw = &dcf_ad->real_hw;
int ret;
@ -141,6 +255,18 @@ ice_dcf_dev_start(struct rte_eth_dev *dev)
}
}
ret = ice_dcf_configure_queues(hw);
if (ret) {
PMD_DRV_LOG(ERR, "Fail to config queues");
return ret;
}
ret = ice_dcf_config_rx_queues_irqs(dev, intr_handle);
if (ret) {
PMD_DRV_LOG(ERR, "Fail to config rx queues' irqs");
return ret;
}
dev->data->dev_link.link_status = ETH_LINK_UP;
return 0;