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qed: IOV db support multiple queues per qzone 

Allow the infrastructure a PF maintains for each one of its VFs
to support multiple queue-cids on a single queue-zone.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mintz, Yuval 2017-06-04 13:31:05 +03:00 committed by David S. Miller
parent 3b19f47820
commit 007bc37179
4 changed files with 123 additions and 72 deletions
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12
drivers/net/ethernet/qlogic/qed/qed_l2.c
View File

@ -218,6 +218,7 @@ _qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
u32 cid,
struct qed_queue_start_common_params *p_params,
bool b_is_rx,
struct qed_queue_cid_vf_params *p_vf_params)
{
struct qed_queue_cid *p_cid;
@ -237,6 +238,7 @@ _qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
p_cid->rel.queue_id = p_params->queue_id;
p_cid->rel.stats_id = p_params->stats_id;
p_cid->sb_igu_id = p_params->p_sb->igu_sb_id;
p_cid->b_is_rx = b_is_rx;
p_cid->sb_idx = p_params->sb_idx;
/* Fill-in bits related to VFs' queues if information was provided */
@ -313,6 +315,7 @@ struct qed_queue_cid *
qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_queue_start_common_params *p_params,
bool b_is_rx,
struct qed_queue_cid_vf_params *p_vf_params)
{
struct qed_queue_cid *p_cid;
@ -334,7 +337,7 @@ qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
}
p_cid = _qed_eth_queue_to_cid(p_hwfn, opaque_fid, cid,
p_params, p_vf_params);
p_params, b_is_rx, p_vf_params);
if (!p_cid && IS_PF(p_hwfn->cdev) && !b_legacy_vf)
qed_cxt_release_cid(p_hwfn, cid);
@ -344,9 +347,10 @@ qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
static struct qed_queue_cid *
qed_eth_queue_to_cid_pf(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
bool b_is_rx,
struct qed_queue_start_common_params *p_params)
{
return qed_eth_queue_to_cid(p_hwfn, opaque_fid, p_params,
return qed_eth_queue_to_cid(p_hwfn, opaque_fid, p_params, b_is_rx,
NULL);
}
@ -929,7 +933,7 @@ qed_eth_rx_queue_start(struct qed_hwfn *p_hwfn,
int rc;
/* Allocate a CID for the queue */
p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, p_params);
p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, true, p_params);
if (!p_cid)
return -ENOMEM;
@ -1134,7 +1138,7 @@ qed_eth_tx_queue_start(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid;
int rc;
p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, p_params);
p_cid = qed_eth_queue_to_cid_pf(p_hwfn, opaque_fid, false, p_params);
if (!p_cid)
return -EINVAL;

3
drivers/net/ethernet/qlogic/qed/qed_l2.h
View File

@ -322,6 +322,8 @@ struct qed_queue_cid {
u32 cid;
u16 opaque_fid;
bool b_is_rx;
/* VFs queues are mapped differently, so we need to know the
* relative queue associated with them [0-based].
* Notice this is relevant on the *PF* queue-cid of its VF's queues,
@ -354,6 +356,7 @@ struct qed_queue_cid *
qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_queue_start_common_params *p_params,
bool b_is_rx,
struct qed_queue_cid_vf_params *p_vf_params);
int

164
drivers/net/ethernet/qlogic/qed/qed_sriov.c
View File

@ -189,6 +189,19 @@ static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
return vf;
}
static struct qed_queue_cid *
qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
{
int i;
for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
return p_queue->cids[i].p_cid;
}
return NULL;
}
enum qed_iov_validate_q_mode {
QED_IOV_VALIDATE_Q_NA,
QED_IOV_VALIDATE_Q_ENABLE,
@ -201,12 +214,24 @@ static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
enum qed_iov_validate_q_mode mode,
bool b_is_tx)
{
int i;
if (mode == QED_IOV_VALIDATE_Q_NA)
return true;
if ((b_is_tx && p_vf->vf_queues[qid].p_tx_cid) ||
(!b_is_tx && p_vf->vf_queues[qid].p_rx_cid))
for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
struct qed_vf_queue_cid *p_qcid;
p_qcid = &p_vf->vf_queues[qid].cids[i];
if (!p_qcid->p_cid)
continue;
if (p_qcid->b_is_tx != b_is_tx)
continue;
return mode == QED_IOV_VALIDATE_Q_ENABLE;
}
/* In case we haven't found any valid cid, then its disabled */
return mode == QED_IOV_VALIDATE_Q_DISABLE;
@ -1030,20 +1055,15 @@ static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
vf->num_txqs = num_of_vf_avaiable_chains;
for (i = 0; i < vf->num_rxqs; i++) {
struct qed_vf_q_info *p_queue = &vf->vf_queues[i];
struct qed_vf_queue *p_queue = &vf->vf_queues[i];
p_queue->fw_rx_qid = p_params->req_rx_queue[i];
p_queue->fw_tx_qid = p_params->req_tx_queue[i];
/* CIDs are per-VF, so no problem having them 0-based. */
p_queue->fw_cid = i;
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x] CID %04x\n",
vf->relative_vf_id,
i, vf->igu_sbs[i],
p_queue->fw_rx_qid,
p_queue->fw_tx_qid, p_queue->fw_cid);
"VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
vf->relative_vf_id, i, vf->igu_sbs[i],
p_queue->fw_rx_qid, p_queue->fw_tx_qid);
}
/* Update the link configuration in bulletin */
@ -1330,7 +1350,7 @@ static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
struct qed_vf_info *p_vf)
{
u32 i;
u32 i, j;
p_vf->vf_bulletin = 0;
p_vf->vport_instance = 0;
@ -1343,16 +1363,15 @@ static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
p_vf->num_active_rxqs = 0;
for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
struct qed_vf_q_info *p_queue = &p_vf->vf_queues[i];
struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
if (p_queue->p_rx_cid) {
qed_eth_queue_cid_release(p_hwfn, p_queue->p_rx_cid);
p_queue->p_rx_cid = NULL;
}
for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
if (!p_queue->cids[j].p_cid)
continue;
if (p_queue->p_tx_cid) {
qed_eth_queue_cid_release(p_hwfn, p_queue->p_tx_cid);
p_queue->p_tx_cid = NULL;
qed_eth_queue_cid_release(p_hwfn,
p_queue->cids[j].p_cid);
p_queue->cids[j].p_cid = NULL;
}
}
@ -1367,7 +1386,7 @@ static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
struct vf_pf_resc_request *p_req,
struct pf_vf_resc *p_resp)
{
int i;
u8 i;
/* Queue related information */
p_resp->num_rxqs = p_vf->num_rxqs;
@ -1385,7 +1404,7 @@ static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
for (i = 0; i < p_resp->num_rxqs; i++) {
qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
(u16 *)&p_resp->hw_qid[i]);
p_resp->cid[i] = p_vf->vf_queues[i].fw_cid;
p_resp->cid[i] = i;
}
/* Filter related information */
@ -1760,9 +1779,11 @@ static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
/* Update all the Rx queues */
for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
struct qed_queue_cid *p_cid;
struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
struct qed_queue_cid *p_cid = NULL;
p_cid = p_vf->vf_queues[i].p_rx_cid;
/* There can be at most 1 Rx queue on qzone. Find it */
p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
if (!p_cid)
continue;
@ -1971,8 +1992,9 @@ static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
u8 status = PFVF_STATUS_NO_RESOURCE;
u8 qid_usage_idx, vf_legacy = 0;
struct qed_vf_q_info *p_queue;
struct vfpf_start_rxq_tlv *req;
struct qed_vf_queue *p_queue;
struct qed_queue_cid *p_cid;
struct qed_sb_info sb_dummy;
int rc;
@ -2004,9 +2026,9 @@ static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
vf_params.vf_qid = (u8)req->rx_qid;
vf_params.vf_legacy = vf_legacy;
vf_params.qid_usage_idx = qid_usage_idx;
p_queue->p_rx_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
&params, &vf_params);
if (!p_queue->p_rx_cid)
p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
&params, true, &vf_params);
if (!p_cid)
goto out;
/* Legacy VFs have their Producers in a different location, which they
@ -2018,16 +2040,16 @@ static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
0);
rc = qed_eth_rxq_start_ramrod(p_hwfn,
p_queue->p_rx_cid,
rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
req->bd_max_bytes,
req->rxq_addr,
req->cqe_pbl_addr, req->cqe_pbl_size);
if (rc) {
status = PFVF_STATUS_FAILURE;
qed_eth_queue_cid_release(p_hwfn, p_queue->p_rx_cid);
p_queue->p_rx_cid = NULL;
qed_eth_queue_cid_release(p_hwfn, p_cid);
} else {
p_queue->cids[qid_usage_idx].p_cid = p_cid;
p_queue->cids[qid_usage_idx].b_is_tx = false;
status = PFVF_STATUS_SUCCESS;
vf->num_active_rxqs++;
}
@ -2254,7 +2276,8 @@ send_resp:
static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_vf_info *p_vf, u8 status)
struct qed_vf_info *p_vf,
u32 cid, u8 status)
{
struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
struct pfvf_start_queue_resp_tlv *p_tlv;
@ -2282,12 +2305,8 @@ static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
sizeof(struct channel_list_end_tlv));
/* Update the TLV with the response */
if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
u16 qid = mbx->req_virt->start_txq.tx_qid;
p_tlv->offset = qed_db_addr_vf(p_vf->vf_queues[qid].fw_cid,
DQ_DEMS_LEGACY);
}
if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
}
@ -2301,9 +2320,11 @@ static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
u8 status = PFVF_STATUS_NO_RESOURCE;
struct vfpf_start_txq_tlv *req;
struct qed_vf_q_info *p_queue;
struct qed_vf_queue *p_queue;
struct qed_queue_cid *p_cid;
struct qed_sb_info sb_dummy;
u8 qid_usage_idx, vf_legacy;
u32 cid = 0;
int rc;
u16 pq;
@ -2337,32 +2358,34 @@ static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
vf_params.vf_legacy = vf_legacy;
vf_params.qid_usage_idx = qid_usage_idx;
p_queue->p_tx_cid = qed_eth_queue_to_cid(p_hwfn,
vf->opaque_fid,
&params, &vf_params);
if (!p_queue->p_tx_cid)
p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
&params, false, &vf_params);
if (!p_cid)
goto out;
pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
rc = qed_eth_txq_start_ramrod(p_hwfn, p_queue->p_tx_cid,
rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
req->pbl_addr, req->pbl_size, pq);
if (rc) {
status = PFVF_STATUS_FAILURE;
qed_eth_queue_cid_release(p_hwfn, p_queue->p_tx_cid);
p_queue->p_tx_cid = NULL;
qed_eth_queue_cid_release(p_hwfn, p_cid);
} else {
status = PFVF_STATUS_SUCCESS;
p_queue->cids[qid_usage_idx].p_cid = p_cid;
p_queue->cids[qid_usage_idx].b_is_tx = true;
cid = p_cid->cid;
}
out:
qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, status);
qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
}
static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
struct qed_vf_info *vf,
u16 rxq_id, bool cqe_completion)
u16 rxq_id,
u8 qid_usage_idx, bool cqe_completion)
{
struct qed_vf_q_info *p_queue;
struct qed_vf_queue *p_queue;
int rc = 0;
if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id,
@ -2377,21 +2400,22 @@ static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
p_queue = &vf->vf_queues[rxq_id];
rc = qed_eth_rx_queue_stop(p_hwfn,
p_queue->p_rx_cid,
p_queue->cids[qid_usage_idx].p_cid,
false, cqe_completion);
if (rc)
return rc;
p_queue->p_rx_cid = NULL;
p_queue->cids[qid_usage_idx].p_cid = NULL;
vf->num_active_rxqs--;
return 0;
}
static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
struct qed_vf_info *vf, u16 txq_id)
struct qed_vf_info *vf,
u16 txq_id, u8 qid_usage_idx)
{
struct qed_vf_q_info *p_queue;
struct qed_vf_queue *p_queue;
int rc = 0;
if (!qed_iov_validate_txq(p_hwfn, vf, txq_id,
@ -2400,12 +2424,11 @@ static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
p_queue = &vf->vf_queues[txq_id];
rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->p_tx_cid);
rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
if (rc)
return rc;
p_queue->p_tx_cid = NULL;
p_queue->cids[qid_usage_idx].p_cid = NULL;
return 0;
}
@ -2417,6 +2440,7 @@ static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
u8 status = PFVF_STATUS_FAILURE;
struct vfpf_stop_rxqs_tlv *req;
u8 qid_usage_idx;
int rc;
/* There has never been an official driver that used this interface
@ -2432,8 +2456,11 @@ static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
goto out;
}
/* Find which qid-index is associated with the queue */
qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
req->cqe_completion);
qid_usage_idx, req->cqe_completion);
if (!rc)
status = PFVF_STATUS_SUCCESS;
out:
@ -2449,6 +2476,7 @@ static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
u8 status = PFVF_STATUS_FAILURE;
struct vfpf_stop_txqs_tlv *req;
u8 qid_usage_idx;
int rc;
/* There has never been an official driver that used this interface
@ -2463,7 +2491,11 @@ static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
status = PFVF_STATUS_NOT_SUPPORTED;
goto out;
}
rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid);
/* Find which qid-index is associated with the queue */
qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
if (!rc)
status = PFVF_STATUS_SUCCESS;
@ -2483,7 +2515,7 @@ static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
u8 status = PFVF_STATUS_FAILURE;
u8 complete_event_flg;
u8 complete_cqe_flg;
u16 qid;
u8 qid_usage_idx;
int rc;
u8 i;
@ -2491,6 +2523,8 @@ static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
/* Validate inputs */
for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++)
if (!qed_iov_validate_rxq(p_hwfn, vf, i,
@ -2502,8 +2536,9 @@ static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
/* Prepare the handlers */
for (i = 0; i < req->num_rxqs; i++) {
qid = req->rx_qid + i;
handlers[i] = vf->vf_queues[qid].p_rx_cid;
u16 qid = req->rx_qid + i;
handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
}
rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
@ -2717,6 +2752,8 @@ qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
(1 << p_rss_tlv->rss_table_size_log));
for (i = 0; i < table_size; i++) {
struct qed_queue_cid *p_cid;
q_idx = p_rss_tlv->rss_ind_table[i];
if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
QED_IOV_VALIDATE_Q_ENABLE)) {
@ -2728,7 +2765,8 @@ qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
goto out;
}
p_rss->rss_ind_table[i] = vf->vf_queues[q_idx].p_rx_cid;
p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
p_rss->rss_ind_table[i] = p_cid;
}
p_data->rss_params = p_rss;

16
drivers/net/ethernet/qlogic/qed/qed_sriov.h
View File

@ -152,12 +152,17 @@ struct qed_iov_vf_mbx {
#define QED_IOV_LEGACY_QID_RX (0)
#define QED_IOV_LEGACY_QID_TX (1)
struct qed_vf_q_info {
struct qed_vf_queue_cid {
bool b_is_tx;
struct qed_queue_cid *p_cid;
};
/* Describes a qzone associated with the VF */
struct qed_vf_queue {
u16 fw_rx_qid;
struct qed_queue_cid *p_rx_cid;
u16 fw_tx_qid;
struct qed_queue_cid *p_tx_cid;
u8 fw_cid;
struct qed_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
};
enum vf_state {
@ -215,7 +220,8 @@ struct qed_vf_info {
u8 num_mac_filters;
u8 num_vlan_filters;
struct qed_vf_q_info vf_queues[QED_MAX_VF_CHAINS_PER_PF];
struct qed_vf_queue vf_queues[QED_MAX_VF_CHAINS_PER_PF];
u16 igu_sbs[QED_MAX_VF_CHAINS_PER_PF];
u8 num_active_rxqs;
struct qed_public_vf_info p_vf_info;