diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c index a8f9376f6a0b..6e7c7f459f74 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c @@ -241,12 +241,50 @@ static int npa_lf_hwctx_disable(struct rvu *rvu, struct hwctx_disable_req *req) return err; } +#ifdef CONFIG_NDC_DIS_DYNAMIC_CACHING +static int npa_lf_hwctx_lockdown(struct rvu *rvu, struct npa_aq_enq_req *req) +{ + struct npa_aq_enq_req lock_ctx_req; + int err; + + if (req->op != NPA_AQ_INSTOP_INIT) + return 0; + + memset(&lock_ctx_req, 0, sizeof(struct npa_aq_enq_req)); + lock_ctx_req.hdr.pcifunc = req->hdr.pcifunc; + lock_ctx_req.ctype = req->ctype; + lock_ctx_req.op = NPA_AQ_INSTOP_LOCK; + lock_ctx_req.aura_id = req->aura_id; + err = rvu_npa_aq_enq_inst(rvu, &lock_ctx_req, NULL); + if (err) + dev_err(rvu->dev, + "PFUNC 0x%x: Failed to lock NPA context %s:%d\n", + req->hdr.pcifunc, + (req->ctype == NPA_AQ_CTYPE_AURA) ? + "Aura" : "Pool", req->aura_id); + return err; +} + +int rvu_mbox_handler_npa_aq_enq(struct rvu *rvu, + struct npa_aq_enq_req *req, + struct npa_aq_enq_rsp *rsp) +{ + int err; + + err = rvu_npa_aq_enq_inst(rvu, req, rsp); + if (!err) + err = npa_lf_hwctx_lockdown(rvu, req); + return err; +} +#else + int rvu_mbox_handler_npa_aq_enq(struct rvu *rvu, struct npa_aq_enq_req *req, struct npa_aq_enq_rsp *rsp) { return rvu_npa_aq_enq_inst(rvu, req, rsp); } +#endif int rvu_mbox_handler_npa_hwctx_disable(struct rvu *rvu, struct hwctx_disable_req *req, @@ -427,6 +465,10 @@ static int npa_aq_init(struct rvu *rvu, struct rvu_block *block) /* Do not bypass NDC cache */ cfg = rvu_read64(rvu, block->addr, NPA_AF_NDC_CFG); cfg &= ~0x03DULL; +#ifdef CONFIG_NDC_DIS_DYNAMIC_CACHING + /* Disable caching of stack pages */ + cfg |= 0x10ULL; +#endif rvu_write64(rvu, block->addr, NPA_AF_NDC_CFG, cfg); /* Result structure can be followed by Aura/Pool context at |