diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c | 90 |
1 files changed, 78 insertions, 12 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c index dbe9149a215e..87395927a489 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c @@ -49,6 +49,7 @@ static int lmtst_map_table_ops(struct rvu *rvu, u32 index, u64 *val, return 0; } +#define LMT_MAP_TBL_W1_OFF 8 static u32 rvu_get_lmtst_tbl_index(struct rvu *rvu, u16 pcifunc) { return ((rvu_get_pf(pcifunc) * rvu->hw->total_vfs) + @@ -131,9 +132,11 @@ int rvu_mbox_handler_lmtst_tbl_setup(struct rvu *rvu, struct lmtst_tbl_setup_req *req, struct msg_rsp *rsp) { - u64 lmt_addr, val; - u32 pri_tbl_idx; + struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc); + u32 pri_tbl_idx, tbl_idx; + u64 lmt_addr; int err = 0; + u64 val; /* Check if PF_FUNC wants to use it's own local memory as LMTLINE * region, if so, convert that IOVA to physical address and @@ -170,7 +173,7 @@ int rvu_mbox_handler_lmtst_tbl_setup(struct rvu *rvu, dev_err(rvu->dev, "Failed to read LMT map table: index 0x%x err %d\n", pri_tbl_idx, err); - return err; + goto error; } /* Update the base lmt addr of secondary with primary's base @@ -181,7 +184,53 @@ int rvu_mbox_handler_lmtst_tbl_setup(struct rvu *rvu, return err; } - return 0; + /* This mailbox can also be used to update word1 of APR_LMT_MAP_ENTRY_S + * like enabling scheduled LMTST, disable LMTLINE prefetch, disable + * early completion for ordered LMTST. + */ + if (req->sch_ena || req->dis_sched_early_comp || req->dis_line_pref) { + tbl_idx = rvu_get_lmtst_tbl_index(rvu, req->hdr.pcifunc); + err = lmtst_map_table_ops(rvu, tbl_idx + LMT_MAP_TBL_W1_OFF, + &val, LMT_TBL_OP_READ); + if (err) { + dev_err(rvu->dev, + "Failed to read LMT map table: index 0x%x err %d\n", + tbl_idx + LMT_MAP_TBL_W1_OFF, err); + goto error; + } + + /* Storing lmt map table entry word1 default value as this needs + * to be reverted in FLR. Also making sure this default value + * doesn't get overwritten on multiple calls to this mailbox. + */ + if (!pfvf->lmt_map_ent_w1) + pfvf->lmt_map_ent_w1 = val; + + /* Disable early completion for Ordered LMTSTs. */ + if (req->dis_sched_early_comp) + val |= (req->dis_sched_early_comp << + APR_LMT_MAP_ENT_DIS_SCH_CMP_SHIFT); + /* Enable scheduled LMTST */ + if (req->sch_ena) + val |= (req->sch_ena << APR_LMT_MAP_ENT_SCH_ENA_SHIFT) | + req->ssow_pf_func; + /* Disables LMTLINE prefetch before receiving store data. */ + if (req->dis_line_pref) + val |= (req->dis_line_pref << + APR_LMT_MAP_ENT_DIS_LINE_PREF_SHIFT); + + err = lmtst_map_table_ops(rvu, tbl_idx + LMT_MAP_TBL_W1_OFF, + &val, LMT_TBL_OP_WRITE); + if (err) { + dev_err(rvu->dev, + "Failed to update LMT map table: index 0x%x err %d\n", + tbl_idx + LMT_MAP_TBL_W1_OFF, err); + goto error; + } + } + +error: + return err; } /* Resetting the lmtst map table to original base addresses */ @@ -194,19 +243,36 @@ void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc) if (is_rvu_otx2(rvu)) return; - if (pfvf->lmt_base_addr) { + if (pfvf->lmt_base_addr || pfvf->lmt_map_ent_w1) { /* This corresponds to lmt map table index */ tbl_idx = rvu_get_lmtst_tbl_index(rvu, pcifunc); /* Reverting back original lmt base addr for respective * pcifunc. */ - err = lmtst_map_table_ops(rvu, tbl_idx, &pfvf->lmt_base_addr, - LMT_TBL_OP_WRITE); - if (err) - dev_err(rvu->dev, - "Failed to update LMT map table: index 0x%x err %d\n", - tbl_idx, err); - pfvf->lmt_base_addr = 0; + if (pfvf->lmt_base_addr) { + err = lmtst_map_table_ops(rvu, tbl_idx, + &pfvf->lmt_base_addr, + LMT_TBL_OP_WRITE); + if (err) + dev_err(rvu->dev, + "Failed to update LMT map table: index 0x%x err %d\n", + tbl_idx, err); + pfvf->lmt_base_addr = 0; + } + /* Reverting back to orginal word1 val of lmtst map table entry + * which underwent changes. + */ + if (pfvf->lmt_map_ent_w1) { + err = lmtst_map_table_ops(rvu, + tbl_idx + LMT_MAP_TBL_W1_OFF, + &pfvf->lmt_map_ent_w1, + LMT_TBL_OP_WRITE); + if (err) + dev_err(rvu->dev, + "Failed to update LMT map table: index 0x%x err %d\n", + tbl_idx + LMT_MAP_TBL_W1_OFF, err); + pfvf->lmt_map_ent_w1 = 0; + } } } |