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path: root/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c87
1 files changed, 35 insertions, 52 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
index 1b08896b46d2..184de9466286 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
@@ -22,69 +22,52 @@ static struct dev_hw_ops cn10k_hw_ops = {
.refill_pool_ptrs = cn10k_refill_pool_ptrs,
};
-int cn10k_pf_lmtst_init(struct otx2_nic *pf)
+int cn10k_lmtst_init(struct otx2_nic *pfvf)
{
- int size, num_lines;
- u64 base;
- if (!test_bit(CN10K_LMTST, &pf->hw.cap_flag)) {
- pf->hw_ops = &otx2_hw_ops;
+ struct lmtst_tbl_setup_req *req;
+ int qcount, err;
+
+ if (!test_bit(CN10K_LMTST, &pfvf->hw.cap_flag)) {
+ pfvf->hw_ops = &otx2_hw_ops;
return 0;
}
- pf->hw_ops = &cn10k_hw_ops;
- base = pci_resource_start(pf->pdev, PCI_MBOX_BAR_NUM) +
- (MBOX_SIZE * (pf->total_vfs + 1));
-
- size = pci_resource_len(pf->pdev, PCI_MBOX_BAR_NUM) -
- (MBOX_SIZE * (pf->total_vfs + 1));
-
- pf->hw.lmt_base = ioremap(base, size);
+ pfvf->hw_ops = &cn10k_hw_ops;
+ qcount = pfvf->hw.max_queues;
+ /* LMTST lines allocation
+ * qcount = num_online_cpus();
+ * NPA = TX + RX + XDP.
+ * NIX = TX * 32 (For Burst SQE flush).
+ */
+ pfvf->tot_lmt_lines = (qcount * 3) + (qcount * 32);
+ pfvf->npa_lmt_lines = qcount * 3;
+ pfvf->nix_lmt_size = LMT_BURST_SIZE * LMT_LINE_SIZE;
- if (!pf->hw.lmt_base) {
- dev_err(pf->dev, "Unable to map PF LMTST region\n");
+ mutex_lock(&pfvf->mbox.lock);
+ req = otx2_mbox_alloc_msg_lmtst_tbl_setup(&pfvf->mbox);
+ if (!req) {
+ mutex_unlock(&pfvf->mbox.lock);
return -ENOMEM;
}
- /* FIXME: Get the num of LMTST lines from LMT table */
- pf->tot_lmt_lines = size / LMT_LINE_SIZE;
- num_lines = (pf->tot_lmt_lines - NIX_LMTID_BASE) /
- pf->hw.tx_queues;
- /* Number of LMT lines per SQ queues */
- pf->nix_lmt_lines = num_lines > 32 ? 32 : num_lines;
-
- pf->nix_lmt_size = pf->nix_lmt_lines * LMT_LINE_SIZE;
- return 0;
-}
+ req->use_local_lmt_region = true;
-int cn10k_vf_lmtst_init(struct otx2_nic *vf)
-{
- int size, num_lines;
-
- if (!test_bit(CN10K_LMTST, &vf->hw.cap_flag)) {
- vf->hw_ops = &otx2_hw_ops;
- return 0;
+ err = qmem_alloc(pfvf->dev, &pfvf->dync_lmt, pfvf->tot_lmt_lines,
+ LMT_LINE_SIZE);
+ if (err) {
+ mutex_unlock(&pfvf->mbox.lock);
+ return err;
}
+ pfvf->hw.lmt_base = (u64 *)pfvf->dync_lmt->base;
+ req->lmt_iova = (u64)pfvf->dync_lmt->iova;
- vf->hw_ops = &cn10k_hw_ops;
- size = pci_resource_len(vf->pdev, PCI_MBOX_BAR_NUM);
- vf->hw.lmt_base = ioremap_wc(pci_resource_start(vf->pdev,
- PCI_MBOX_BAR_NUM),
- size);
- if (!vf->hw.lmt_base) {
- dev_err(vf->dev, "Unable to map VF LMTST region\n");
- return -ENOMEM;
- }
+ err = otx2_sync_mbox_msg(&pfvf->mbox);
+ mutex_unlock(&pfvf->mbox.lock);
- vf->tot_lmt_lines = size / LMT_LINE_SIZE;
- /* LMTST lines per SQ */
- num_lines = (vf->tot_lmt_lines - NIX_LMTID_BASE) /
- vf->hw.tx_queues;
- vf->nix_lmt_lines = num_lines > 32 ? 32 : num_lines;
- vf->nix_lmt_size = vf->nix_lmt_lines * LMT_LINE_SIZE;
return 0;
}
-EXPORT_SYMBOL(cn10k_vf_lmtst_init);
+EXPORT_SYMBOL(cn10k_lmtst_init);
int cn10k_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura)
{
@@ -93,9 +76,11 @@ int cn10k_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura)
struct otx2_snd_queue *sq;
sq = &pfvf->qset.sq[qidx];
- sq->lmt_addr = (__force u64 *)((u64)pfvf->hw.nix_lmt_base +
+ sq->lmt_addr = (u64 *)((u64)pfvf->hw.nix_lmt_base +
(qidx * pfvf->nix_lmt_size));
+ sq->lmt_id = pfvf->npa_lmt_lines + (qidx * LMT_BURST_SIZE);
+
/* Get memory to put this msg */
aq = otx2_mbox_alloc_msg_nix_cn10k_aq_enq(&pfvf->mbox);
if (!aq)
@@ -158,15 +143,13 @@ void cn10k_refill_pool_ptrs(void *dev, struct otx2_cq_queue *cq)
void cn10k_sqe_flush(void *dev, struct otx2_snd_queue *sq, int size, int qidx)
{
- struct otx2_nic *pfvf = dev;
- int lmt_id = NIX_LMTID_BASE + (qidx * pfvf->nix_lmt_lines);
u64 val = 0, tar_addr = 0;
/* FIXME: val[0:10] LMT_ID.
* [12:15] no of LMTST - 1 in the burst.
* [19:63] data size of each LMTST in the burst except first.
*/
- val = (lmt_id & 0x7FF);
+ val = (sq->lmt_id & 0x7FF);
/* Target address for LMTST flush tells HW how many 128bit
* words are present.
* tar_addr[6:4] size of first LMTST - 1 in units of 128b.