diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c')
-rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 617 |
1 files changed, 506 insertions, 111 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 0bc4529691ec..3612e0a2cab3 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -19,7 +19,7 @@ #include "cgx.h" #include "npc_profile.h" -#define RSVD_MCAM_ENTRIES_PER_PF 2 /* Bcast & Promisc */ +#define RSVD_MCAM_ENTRIES_PER_PF 3 /* Broadcast, Promisc and AllMulticast */ #define RSVD_MCAM_ENTRIES_PER_NIXLF 1 /* Ucast for LFs */ #define NPC_PARSE_RESULT_DMAC_OFFSET 8 @@ -27,6 +27,8 @@ #define NPC_KEX_CHAN_MASK 0xFFFULL #define NPC_KEX_PF_FUNC_MASK 0xFFFFULL +#define ALIGN_8B_CEIL(__a) (((__a) + 7) & (-8)) + static const char def_pfl_name[] = "default"; static void npc_mcam_free_all_entries(struct rvu *rvu, struct npc_mcam *mcam, @@ -212,8 +214,10 @@ int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, */ if (type == NIXLF_BCAST_ENTRY) return index; - else if (type == NIXLF_PROMISC_ENTRY) + else if (type == NIXLF_ALLMULTI_ENTRY) return index + 1; + else if (type == NIXLF_PROMISC_ENTRY) + return index + 2; } return npc_get_ucast_mcam_index(mcam, pcifunc, nixlf); @@ -411,37 +415,49 @@ static void npc_fill_entryword(struct mcam_entry *entry, int idx, } } -static void npc_get_default_entry_action(struct rvu *rvu, struct npc_mcam *mcam, - int blkaddr, int index, - struct mcam_entry *entry) +static u64 npc_get_default_entry_action(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, u16 pf_func) +{ + int bank, nixlf, index; + + /* get ucast entry rule entry index */ + nix_get_nixlf(rvu, pf_func, &nixlf, NULL); + index = npc_get_nixlf_mcam_index(mcam, pf_func, nixlf, + NIXLF_UCAST_ENTRY); + bank = npc_get_bank(mcam, index); + index &= (mcam->banksize - 1); + + return rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_ACTION(index, bank)); +} + +static void npc_fixup_vf_rule(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, int index, struct mcam_entry *entry, + bool *enable) { u16 owner, target_func; struct rvu_pfvf *pfvf; - int bank, nixlf; u64 rx_action; owner = mcam->entry2pfvf_map[index]; target_func = (entry->action >> 4) & 0xffff; - /* return incase target is PF or LBK or rule owner is not PF */ + /* do nothing when target is LBK/PF or owner is not PF */ if (is_afvf(target_func) || (owner & RVU_PFVF_FUNC_MASK) || !(target_func & RVU_PFVF_FUNC_MASK)) return; + /* save entry2target_pffunc */ pfvf = rvu_get_pfvf(rvu, target_func); mcam->entry2target_pffunc[index] = target_func; - /* return if nixlf is not attached or initialized */ - if (!is_nixlf_attached(rvu, target_func) || !pfvf->def_ucast_rule) - return; - /* get VF ucast entry rule */ - nix_get_nixlf(rvu, target_func, &nixlf, NULL); - index = npc_get_nixlf_mcam_index(mcam, target_func, - nixlf, NIXLF_UCAST_ENTRY); - bank = npc_get_bank(mcam, index); - index &= (mcam->banksize - 1); + /* don't enable rule when nixlf not attached or initialized */ + if (!(is_nixlf_attached(rvu, target_func) && + test_bit(NIXLF_INITIALIZED, &pfvf->flags))) + *enable = false; - rx_action = rvu_read64(rvu, blkaddr, - NPC_AF_MCAMEX_BANKX_ACTION(index, bank)); + /* copy VF default entry action to the VF mcam entry */ + rx_action = npc_get_default_entry_action(rvu, mcam, blkaddr, + target_func); if (rx_action) entry->action = rx_action; } @@ -493,10 +509,9 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, NPC_AF_MCAMEX_BANKX_CAMX_W1(index, bank, 0), cam0); } - /* copy VF default entry action to the VF mcam entry */ + /* PF installing VF rule */ if (intf == NIX_INTF_RX && actindex < mcam->bmap_entries) - npc_get_default_entry_action(rvu, mcam, blkaddr, actindex, - entry); + npc_fixup_vf_rule(rvu, mcam, blkaddr, index, entry, &enable); /* Set 'action' */ rvu_write64(rvu, blkaddr, @@ -647,30 +662,32 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, } void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, - int nixlf, u64 chan, u8 chan_cnt, - bool allmulti) + int nixlf, u64 chan, u8 chan_cnt) { struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc); struct npc_install_flow_req req = { 0 }; struct npc_install_flow_rsp rsp = { 0 }; struct npc_mcam *mcam = &rvu->hw->mcam; + struct rvu_hwinfo *hw = rvu->hw; int blkaddr, ucast_idx, index; - u8 mac_addr[ETH_ALEN] = { 0 }; struct nix_rx_action action; u64 relaxed_mask; - /* Only PF or AF VF can add a promiscuous entry */ - if ((pcifunc & RVU_PFVF_FUNC_MASK) && !is_afvf(pcifunc)) + if (!hw->cap.nix_rx_multicast && is_cgx_vf(rvu, pcifunc)) return; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); if (blkaddr < 0) return; - *(u64 *)&action = 0x00; index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, NIXLF_PROMISC_ENTRY); + if (is_cgx_vf(rvu, pcifunc)) + index = npc_get_nixlf_mcam_index(mcam, + pcifunc & ~RVU_PFVF_FUNC_MASK, + nixlf, NIXLF_PROMISC_ENTRY); + /* If the corresponding PF's ucast action is RSS, * use the same action for promisc also */ @@ -678,19 +695,20 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, nixlf, NIXLF_UCAST_ENTRY); if (is_mcam_entry_enabled(rvu, mcam, blkaddr, ucast_idx)) *(u64 *)&action = npc_get_mcam_action(rvu, mcam, - blkaddr, ucast_idx); + blkaddr, ucast_idx); if (action.op != NIX_RX_ACTIONOP_RSS) { *(u64 *)&action = 0x00; action.op = NIX_RX_ACTIONOP_UCAST; - action.pf_func = pcifunc; } - if (allmulti) { - mac_addr[0] = 0x01; /* LSB bit of 1st byte in DMAC */ - ether_addr_copy(req.packet.dmac, mac_addr); - ether_addr_copy(req.mask.dmac, mac_addr); - req.features = BIT_ULL(NPC_DMAC); + /* RX_ACTION set to MCAST for CGX PF's */ + if (hw->cap.nix_rx_multicast && pfvf->use_mce_list && + is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc))) { + *(u64 *)&action = 0x00; + action.op = NIX_RX_ACTIONOP_MCAST; + pfvf = rvu_get_pfvf(rvu, pcifunc & ~RVU_PFVF_FUNC_MASK); + action.index = pfvf->promisc_mce_idx; } req.chan_mask = 0xFFFU; @@ -718,8 +736,8 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); } -static void npc_enadis_promisc_entry(struct rvu *rvu, u16 pcifunc, - int nixlf, bool enable) +void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, + int nixlf, bool enable) { struct npc_mcam *mcam = &rvu->hw->mcam; int blkaddr, index; @@ -728,25 +746,14 @@ static void npc_enadis_promisc_entry(struct rvu *rvu, u16 pcifunc, if (blkaddr < 0) return; - /* Only PF's have a promiscuous entry */ - if (pcifunc & RVU_PFVF_FUNC_MASK) - return; + /* Get 'pcifunc' of PF device */ + pcifunc = pcifunc & ~RVU_PFVF_FUNC_MASK; index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, NIXLF_PROMISC_ENTRY); npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); } -void rvu_npc_disable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf) -{ - npc_enadis_promisc_entry(rvu, pcifunc, nixlf, false); -} - -void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf) -{ - npc_enadis_promisc_entry(rvu, pcifunc, nixlf, true); -} - void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan) { @@ -756,8 +763,6 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, struct npc_mcam *mcam = &rvu->hw->mcam; struct rvu_hwinfo *hw = rvu->hw; int blkaddr, index; - u32 req_index = 0; - u8 op; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); if (blkaddr < 0) @@ -770,7 +775,7 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, /* If pkt replication is not supported, * then only PF is allowed to add a bcast match entry. */ - if (!hw->cap.nix_rx_multicast && pcifunc & RVU_PFVF_FUNC_MASK) + if (!hw->cap.nix_rx_multicast && is_vf(pcifunc)) return; /* Get 'pcifunc' of PF device */ @@ -784,10 +789,10 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, * so install entry with UCAST action, so that PF * receives all broadcast packets. */ - op = NIX_RX_ACTIONOP_UCAST; + req.op = NIX_RX_ACTIONOP_UCAST; } else { - op = NIX_RX_ACTIONOP_MCAST; - req_index = pfvf->bcast_mce_idx; + req.op = NIX_RX_ACTIONOP_MCAST; + req.index = pfvf->bcast_mce_idx; } eth_broadcast_addr((u8 *)&req.packet.dmac); @@ -796,15 +801,14 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, req.channel = chan; req.intf = pfvf->nix_rx_intf; req.entry = index; - req.op = op; req.hdr.pcifunc = 0; /* AF is requester */ req.vf = pcifunc; - req.index = req_index; rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); } -void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, bool enable) +void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, int nixlf, + bool enable) { struct npc_mcam *mcam = &rvu->hw->mcam; int blkaddr, index; @@ -816,7 +820,104 @@ void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, bool enable) /* Get 'pcifunc' of PF device */ pcifunc = pcifunc & ~RVU_PFVF_FUNC_MASK; - index = npc_get_nixlf_mcam_index(mcam, pcifunc, 0, NIXLF_BCAST_ENTRY); + index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, + NIXLF_BCAST_ENTRY); + npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); +} + +void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, + u64 chan) +{ + struct npc_install_flow_req req = { 0 }; + struct npc_install_flow_rsp rsp = { 0 }; + struct npc_mcam *mcam = &rvu->hw->mcam; + struct rvu_hwinfo *hw = rvu->hw; + int blkaddr, ucast_idx, index; + u8 mac_addr[ETH_ALEN] = { 0 }; + struct nix_rx_action action; + struct rvu_pfvf *pfvf; + u16 vf_func; + + /* Only CGX PF/VF can add allmulticast entry */ + if (is_afvf(pcifunc)) + return; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return; + + /* Get 'pcifunc' of PF device */ + vf_func = pcifunc & RVU_PFVF_FUNC_MASK; + pcifunc = pcifunc & ~RVU_PFVF_FUNC_MASK; + pfvf = rvu_get_pfvf(rvu, pcifunc); + index = npc_get_nixlf_mcam_index(mcam, pcifunc, + nixlf, NIXLF_ALLMULTI_ENTRY); + + /* If the corresponding PF's ucast action is RSS, + * use the same action for multicast entry also + */ + ucast_idx = npc_get_nixlf_mcam_index(mcam, pcifunc, + nixlf, NIXLF_UCAST_ENTRY); + if (is_mcam_entry_enabled(rvu, mcam, blkaddr, ucast_idx)) + *(u64 *)&action = npc_get_mcam_action(rvu, mcam, + blkaddr, ucast_idx); + + if (action.op != NIX_RX_ACTIONOP_RSS) { + *(u64 *)&action = 0x00; + action.op = NIX_RX_ACTIONOP_UCAST; + action.pf_func = pcifunc; + } + + /* RX_ACTION set to MCAST for CGX PF's */ + if (hw->cap.nix_rx_multicast && pfvf->use_mce_list) { + *(u64 *)&action = 0x00; + action.op = NIX_RX_ACTIONOP_MCAST; + action.index = pfvf->mcast_mce_idx; + } + + mac_addr[0] = 0x01; /* LSB bit of 1st byte in DMAC */ + ether_addr_copy(req.packet.dmac, mac_addr); + ether_addr_copy(req.mask.dmac, mac_addr); + req.features = BIT_ULL(NPC_DMAC); + + /* For cn10k the upper two bits of the channel number are + * cpt channel number. with masking out these bits in the + * mcam entry, same entry used for NIX will allow packets + * received from cpt for parsing. + */ + if (!is_rvu_otx2(rvu)) + req.chan_mask = NIX_CHAN_CPT_X2P_MASK; + else + req.chan_mask = 0xFFFU; + + req.channel = chan; + req.intf = pfvf->nix_rx_intf; + req.entry = index; + req.op = action.op; + req.hdr.pcifunc = 0; /* AF is requester */ + req.vf = pcifunc | vf_func; + req.index = action.index; + req.match_id = action.match_id; + req.flow_key_alg = action.flow_key_alg; + + rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); +} + +void rvu_npc_enable_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, + bool enable) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + int blkaddr, index; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return; + + /* Get 'pcifunc' of PF device */ + pcifunc = pcifunc & ~RVU_PFVF_FUNC_MASK; + + index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, + NIXLF_ALLMULTI_ENTRY); npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); } @@ -858,6 +959,7 @@ void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, int group, int alg_idx, int mcam_index) { struct npc_mcam *mcam = &rvu->hw->mcam; + struct rvu_hwinfo *hw = rvu->hw; struct nix_rx_action action; int blkaddr, index, bank; struct rvu_pfvf *pfvf; @@ -913,7 +1015,8 @@ void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, /* If PF's promiscuous entry is enabled, * Set RSS action for that entry as well */ - if (is_mcam_entry_enabled(rvu, mcam, blkaddr, index)) { + if ((!hw->cap.nix_rx_multicast || !pfvf->use_mce_list) && + is_mcam_entry_enabled(rvu, mcam, blkaddr, index)) { bank = npc_get_bank(mcam, index); index &= (mcam->banksize - 1); @@ -923,12 +1026,47 @@ void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, } } +void npc_enadis_default_mce_entry(struct rvu *rvu, u16 pcifunc, + int nixlf, int type, bool enable) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + struct rvu_hwinfo *hw = rvu->hw; + struct nix_mce_list *mce_list; + int index, blkaddr, mce_idx; + struct rvu_pfvf *pfvf; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return; + + index = npc_get_nixlf_mcam_index(mcam, pcifunc & ~RVU_PFVF_FUNC_MASK, + nixlf, type); + + /* disable MCAM entry when packet replication is not supported by hw */ + if (!hw->cap.nix_rx_multicast && !is_vf(pcifunc)) { + npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); + return; + } + + /* return incase mce list is not enabled */ + pfvf = rvu_get_pfvf(rvu, pcifunc & ~RVU_PFVF_FUNC_MASK); + if (hw->cap.nix_rx_multicast && is_vf(pcifunc) && + type != NIXLF_BCAST_ENTRY && !pfvf->use_mce_list) + return; + + nix_get_mce_list(rvu, pcifunc, type, &mce_list, &mce_idx); + + nix_update_mce_list(rvu, pcifunc, mce_list, + mce_idx, index, enable); + if (enable) + npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); +} + static void npc_enadis_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf, bool enable) { struct npc_mcam *mcam = &rvu->hw->mcam; - struct nix_rx_action action; - int index, bank, blkaddr; + int index, blkaddr; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); if (blkaddr < 0) @@ -939,48 +1077,33 @@ static void npc_enadis_default_entries(struct rvu *rvu, u16 pcifunc, nixlf, NIXLF_UCAST_ENTRY); npc_enable_mcam_entry(rvu, mcam, blkaddr, index, enable); - /* For PF, ena/dis promisc and bcast MCAM match entries. - * For VFs add/delete from bcast list when RX multicast - * feature is present. + /* Nothing to do for VFs, on platforms where pkt replication + * is not supported */ - if (pcifunc & RVU_PFVF_FUNC_MASK && !rvu->hw->cap.nix_rx_multicast) + if ((pcifunc & RVU_PFVF_FUNC_MASK) && !rvu->hw->cap.nix_rx_multicast) return; - /* For bcast, enable/disable only if it's action is not - * packet replication, incase if action is replication - * then this PF/VF's nixlf is removed from bcast replication - * list. - */ - index = npc_get_nixlf_mcam_index(mcam, pcifunc & ~RVU_PFVF_FUNC_MASK, - nixlf, NIXLF_BCAST_ENTRY); - bank = npc_get_bank(mcam, index); - *(u64 *)&action = rvu_read64(rvu, blkaddr, - NPC_AF_MCAMEX_BANKX_ACTION(index & (mcam->banksize - 1), bank)); - - /* VFs will not have BCAST entry */ - if (action.op != NIX_RX_ACTIONOP_MCAST && - !(pcifunc & RVU_PFVF_FUNC_MASK)) { - npc_enable_mcam_entry(rvu, mcam, - blkaddr, index, enable); - } else { - nix_update_bcast_mce_list(rvu, pcifunc, enable); - /* Enable PF's BCAST entry for packet replication */ - rvu_npc_enable_bcast_entry(rvu, pcifunc, enable); - } - - if (enable) - rvu_npc_enable_promisc_entry(rvu, pcifunc, nixlf); - else - rvu_npc_disable_promisc_entry(rvu, pcifunc, nixlf); + /* add/delete pf_func to broadcast MCE list */ + npc_enadis_default_mce_entry(rvu, pcifunc, nixlf, + NIXLF_BCAST_ENTRY, enable); } void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf) { npc_enadis_default_entries(rvu, pcifunc, nixlf, false); + + /* Delete multicast and promisc MCAM entries */ + npc_enadis_default_mce_entry(rvu, pcifunc, nixlf, + NIXLF_ALLMULTI_ENTRY, false); + npc_enadis_default_mce_entry(rvu, pcifunc, nixlf, + NIXLF_PROMISC_ENTRY, false); } void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf) { + /* Enables only broadcast match entry. Promisc/Allmulti are enabled + * in set_rx_mode mbox handler. + */ npc_enadis_default_entries(rvu, pcifunc, nixlf, true); } @@ -1000,7 +1123,8 @@ void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf) /* Disable MCAM entries directing traffic to this 'pcifunc' */ list_for_each_entry_safe(rule, tmp, &mcam->mcam_rules, list) { if (is_npc_intf_rx(rule->intf) && - rule->rx_action.pf_func == pcifunc) { + rule->rx_action.pf_func == pcifunc && + rule->rx_action.op != NIX_RX_ACTIONOP_MCAST) { npc_enable_mcam_entry(rvu, mcam, blkaddr, rule->entry, false); rule->enable = false; @@ -1134,6 +1258,30 @@ static void npc_program_mkex_profile(struct rvu *rvu, int blkaddr, } } +static int npc_fwdb_prfl_img_map(struct rvu *rvu, void __iomem **prfl_img_addr, + u64 *size) +{ + u64 prfl_addr, prfl_sz; + + if (!rvu->fwdata) + return -EINVAL; + + prfl_addr = rvu->fwdata->mcam_addr; + prfl_sz = rvu->fwdata->mcam_sz; + + if (!prfl_addr || !prfl_sz) + return -EINVAL; + + *prfl_img_addr = ioremap_wc(prfl_addr, prfl_sz); + if (!(*prfl_img_addr)) + return -ENOMEM; + + *size = prfl_sz; + + return 0; +} + +/* strtoull of "mkexprof" with base:36 */ #define MKEX_END_SIGN 0xdeadbeef static void npc_load_mkex_profile(struct rvu *rvu, int blkaddr, @@ -1141,26 +1289,21 @@ static void npc_load_mkex_profile(struct rvu *rvu, int blkaddr, { struct device *dev = &rvu->pdev->dev; struct npc_mcam_kex *mcam_kex; - void *mkex_prfl_addr = NULL; - u64 prfl_addr, prfl_sz; + void __iomem *mkex_prfl_addr = NULL; + u64 prfl_sz; + int ret; /* If user not selected mkex profile */ - if (!strncmp(mkex_profile, def_pfl_name, MKEX_NAME_LEN)) - goto program_mkex; - - if (!rvu->fwdata) - goto program_mkex; - prfl_addr = rvu->fwdata->mcam_addr; - prfl_sz = rvu->fwdata->mcam_sz; - - if (!prfl_addr || !prfl_sz) + if (rvu->kpu_fwdata_sz || + !strncmp(mkex_profile, def_pfl_name, MKEX_NAME_LEN)) goto program_mkex; - mkex_prfl_addr = memremap(prfl_addr, prfl_sz, MEMREMAP_WC); - if (!mkex_prfl_addr) + /* Setting up the mapping for mkex profile image */ + ret = npc_fwdb_prfl_img_map(rvu, &mkex_prfl_addr, &prfl_sz); + if (ret < 0) goto program_mkex; - mcam_kex = (struct npc_mcam_kex *)mkex_prfl_addr; + mcam_kex = (struct npc_mcam_kex __force *)mkex_prfl_addr; while (((s64)prfl_sz > 0) && (mcam_kex->mkex_sign != MKEX_END_SIGN)) { /* Compare with mkex mod_param name string */ @@ -1186,7 +1329,7 @@ program_mkex: /* Program selected mkex profile */ npc_program_mkex_profile(rvu, blkaddr, rvu->kpu.mkex); if (mkex_prfl_addr) - memunmap(mkex_prfl_addr); + iounmap(mkex_prfl_addr); } static void npc_config_kpuaction(struct rvu *rvu, int blkaddr, @@ -1263,6 +1406,7 @@ static void npc_program_kpu_profile(struct rvu *rvu, int blkaddr, int kpu, const struct npc_kpu_profile *profile) { int entry, num_entries, max_entries; + u64 entry_mask; if (profile->cam_entries != profile->action_entries) { dev_err(rvu->dev, @@ -1286,8 +1430,12 @@ static void npc_program_kpu_profile(struct rvu *rvu, int blkaddr, int kpu, /* Enable all programmed entries */ num_entries = min_t(int, profile->action_entries, profile->cam_entries); + entry_mask = enable_mask(num_entries); + /* Disable first KPU_MAX_CST_ENT entries for built-in profile */ + if (!rvu->kpu.custom) + entry_mask |= GENMASK_ULL(KPU_MAX_CST_ENT - 1, 0); rvu_write64(rvu, blkaddr, - NPC_AF_KPUX_ENTRY_DISX(kpu, 0), enable_mask(num_entries)); + NPC_AF_KPUX_ENTRY_DISX(kpu, 0), entry_mask); if (num_entries > 64) { rvu_write64(rvu, blkaddr, NPC_AF_KPUX_ENTRY_DISX(kpu, 1), @@ -1300,6 +1448,7 @@ static void npc_program_kpu_profile(struct rvu *rvu, int blkaddr, int kpu, static int npc_prepare_default_kpu(struct npc_kpu_profile_adapter *profile) { + profile->custom = 0; profile->name = def_pfl_name; profile->version = NPC_KPU_PROFILE_VER; profile->ikpu = ikpu_action_entries; @@ -1312,10 +1461,245 @@ static int npc_prepare_default_kpu(struct npc_kpu_profile_adapter *profile) return 0; } +static int npc_apply_custom_kpu(struct rvu *rvu, + struct npc_kpu_profile_adapter *profile) +{ + size_t hdr_sz = sizeof(struct npc_kpu_profile_fwdata), offset = 0; + struct npc_kpu_profile_fwdata *fw = rvu->kpu_fwdata; + struct npc_kpu_profile_action *action; + struct npc_kpu_profile_cam *cam; + struct npc_kpu_fwdata *fw_kpu; + int entries; + u16 kpu, entry; + + if (rvu->kpu_fwdata_sz < hdr_sz) { + dev_warn(rvu->dev, "Invalid KPU profile size\n"); + return -EINVAL; + } + if (le64_to_cpu(fw->signature) != KPU_SIGN) { + dev_warn(rvu->dev, "Invalid KPU profile signature %llx\n", + fw->signature); + return -EINVAL; + } + /* Verify if the using known profile structure */ + if (NPC_KPU_VER_MAJ(profile->version) > + NPC_KPU_VER_MAJ(NPC_KPU_PROFILE_VER)) { + dev_warn(rvu->dev, "Not supported Major version: %d > %d\n", + NPC_KPU_VER_MAJ(profile->version), + NPC_KPU_VER_MAJ(NPC_KPU_PROFILE_VER)); + return -EINVAL; + } + /* Verify if profile is aligned with the required kernel changes */ + if (NPC_KPU_VER_MIN(profile->version) < + NPC_KPU_VER_MIN(NPC_KPU_PROFILE_VER)) { + dev_warn(rvu->dev, + "Invalid KPU profile version: %d.%d.%d expected version <= %d.%d.%d\n", + NPC_KPU_VER_MAJ(profile->version), + NPC_KPU_VER_MIN(profile->version), + NPC_KPU_VER_PATCH(profile->version), + NPC_KPU_VER_MAJ(NPC_KPU_PROFILE_VER), + NPC_KPU_VER_MIN(NPC_KPU_PROFILE_VER), + NPC_KPU_VER_PATCH(NPC_KPU_PROFILE_VER)); + return -EINVAL; + } + /* Verify if profile fits the HW */ + if (fw->kpus > profile->kpus) { + dev_warn(rvu->dev, "Not enough KPUs: %d > %ld\n", fw->kpus, + profile->kpus); + return -EINVAL; + } + + profile->custom = 1; + profile->name = fw->name; + profile->version = le64_to_cpu(fw->version); + profile->mkex = &fw->mkex; + profile->lt_def = &fw->lt_def; + + for (kpu = 0; kpu < fw->kpus; kpu++) { + fw_kpu = (struct npc_kpu_fwdata *)(fw->data + offset); + if (fw_kpu->entries > KPU_MAX_CST_ENT) + dev_warn(rvu->dev, + "Too many custom entries on KPU%d: %d > %d\n", + kpu, fw_kpu->entries, KPU_MAX_CST_ENT); + entries = min(fw_kpu->entries, KPU_MAX_CST_ENT); + cam = (struct npc_kpu_profile_cam *)fw_kpu->data; + offset += sizeof(*fw_kpu) + fw_kpu->entries * sizeof(*cam); + action = (struct npc_kpu_profile_action *)(fw->data + offset); + offset += fw_kpu->entries * sizeof(*action); + if (rvu->kpu_fwdata_sz < hdr_sz + offset) { + dev_warn(rvu->dev, + "Profile size mismatch on KPU%i parsing.\n", + kpu + 1); + return -EINVAL; + } + for (entry = 0; entry < entries; entry++) { + profile->kpu[kpu].cam[entry] = cam[entry]; + profile->kpu[kpu].action[entry] = action[entry]; + } + } + + return 0; +} + +static int npc_load_kpu_prfl_img(struct rvu *rvu, void __iomem *prfl_addr, + u64 prfl_sz, const char *kpu_profile) +{ + struct npc_kpu_profile_fwdata *kpu_data = NULL; + int rc = -EINVAL; + + kpu_data = (struct npc_kpu_profile_fwdata __force *)prfl_addr; + if (le64_to_cpu(kpu_data->signature) == KPU_SIGN && + !strncmp(kpu_data->name, kpu_profile, KPU_NAME_LEN)) { + dev_info(rvu->dev, "Loading KPU profile from firmware db: %s\n", + kpu_profile); + rvu->kpu_fwdata = kpu_data; + rvu->kpu_fwdata_sz = prfl_sz; + rvu->kpu_prfl_addr = prfl_addr; + rc = 0; + } + + return rc; +} + +static int npc_fwdb_detect_load_prfl_img(struct rvu *rvu, uint64_t prfl_sz, + const char *kpu_profile) +{ + struct npc_coalesced_kpu_prfl *img_data = NULL; + int i = 0, rc = -EINVAL; + void __iomem *kpu_prfl_addr; + u16 offset; + + img_data = (struct npc_coalesced_kpu_prfl __force *)rvu->kpu_prfl_addr; + if (le64_to_cpu(img_data->signature) == KPU_SIGN && + !strncmp(img_data->name, kpu_profile, KPU_NAME_LEN)) { + /* Loaded profile is a single KPU profile. */ + rc = npc_load_kpu_prfl_img(rvu, rvu->kpu_prfl_addr, + prfl_sz, kpu_profile); + goto done; + } + + /* Loaded profile is coalesced image, offset of first KPU profile.*/ + offset = offsetof(struct npc_coalesced_kpu_prfl, prfl_sz) + + (img_data->num_prfl * sizeof(uint16_t)); + /* Check if mapped image is coalesced image. */ + while (i < img_data->num_prfl) { + /* Profile image offsets are rounded up to next 8 multiple.*/ + offset = ALIGN_8B_CEIL(offset); + kpu_prfl_addr = (void __iomem *)((uintptr_t)rvu->kpu_prfl_addr + + offset); + rc = npc_load_kpu_prfl_img(rvu, kpu_prfl_addr, + img_data->prfl_sz[i], kpu_profile); + if (!rc) + break; + /* Calculating offset of profile image based on profile size.*/ + offset += img_data->prfl_sz[i]; + i++; + } +done: + return rc; +} + +static int npc_load_kpu_profile_fwdb(struct rvu *rvu, const char *kpu_profile) +{ + int ret = -EINVAL; + u64 prfl_sz; + + /* Setting up the mapping for NPC profile image */ + ret = npc_fwdb_prfl_img_map(rvu, &rvu->kpu_prfl_addr, &prfl_sz); + if (ret < 0) + goto done; + + /* Detect if profile is coalesced or single KPU profile and load */ + ret = npc_fwdb_detect_load_prfl_img(rvu, prfl_sz, kpu_profile); + if (ret == 0) + goto done; + + /* Cleaning up if KPU profile image from fwdata is not valid. */ + if (rvu->kpu_prfl_addr) { + iounmap(rvu->kpu_prfl_addr); + rvu->kpu_prfl_addr = NULL; + rvu->kpu_fwdata_sz = 0; + rvu->kpu_fwdata = NULL; + } + +done: + return ret; +} + static void npc_load_kpu_profile(struct rvu *rvu) { struct npc_kpu_profile_adapter *profile = &rvu->kpu; + const char *kpu_profile = rvu->kpu_pfl_name; + const struct firmware *fw = NULL; + bool retry_fwdb = false; + + /* If user not specified profile customization */ + if (!strncmp(kpu_profile, def_pfl_name, KPU_NAME_LEN)) + goto revert_to_default; + /* First prepare default KPU, then we'll customize top entries. */ + npc_prepare_default_kpu(profile); + /* Order of preceedence for load loading NPC profile (high to low) + * Firmware binary in filesystem. + * Firmware database method. + * Default KPU profile. + */ + if (!request_firmware(&fw, kpu_profile, rvu->dev)) { + dev_info(rvu->dev, "Loading KPU profile from firmware: %s\n", + kpu_profile); + rvu->kpu_fwdata = kzalloc(fw->size, GFP_KERNEL); + if (rvu->kpu_fwdata) { + memcpy(rvu->kpu_fwdata, fw->data, fw->size); + rvu->kpu_fwdata_sz = fw->size; + } + release_firmware(fw); + retry_fwdb = true; + goto program_kpu; + } + +load_image_fwdb: + /* Loading the KPU profile using firmware database */ + if (npc_load_kpu_profile_fwdb(rvu, kpu_profile)) + goto revert_to_default; + +program_kpu: + /* Apply profile customization if firmware was loaded. */ + if (!rvu->kpu_fwdata_sz || npc_apply_custom_kpu(rvu, profile)) { + /* If image from firmware filesystem fails to load or invalid + * retry with firmware database method. + */ + if (rvu->kpu_fwdata || rvu->kpu_fwdata_sz) { + /* Loading image from firmware database failed. */ + if (rvu->kpu_prfl_addr) { + iounmap(rvu->kpu_prfl_addr); + rvu->kpu_prfl_addr = NULL; + } else { + kfree(rvu->kpu_fwdata); + } + rvu->kpu_fwdata = NULL; + rvu->kpu_fwdata_sz = 0; + if (retry_fwdb) { + retry_fwdb = false; + goto load_image_fwdb; + } + } + + dev_warn(rvu->dev, + "Can't load KPU profile %s. Using default.\n", + kpu_profile); + kfree(rvu->kpu_fwdata); + rvu->kpu_fwdata = NULL; + goto revert_to_default; + } + + dev_info(rvu->dev, "Using custom profile '%s', version %d.%d.%d\n", + profile->name, NPC_KPU_VER_MAJ(profile->version), + NPC_KPU_VER_MIN(profile->version), + NPC_KPU_VER_PATCH(profile->version)); + + return; + +revert_to_default: npc_prepare_default_kpu(profile); } @@ -1654,6 +2038,10 @@ void rvu_npc_freemem(struct rvu *rvu) kfree(pkind->rsrc.bmap); kfree(mcam->counters.bmap); + if (rvu->kpu_prfl_addr) + iounmap(rvu->kpu_prfl_addr); + else + kfree(rvu->kpu_fwdata); mutex_destroy(&mcam->lock); } @@ -2149,8 +2537,11 @@ int rvu_mbox_handler_npc_mcam_alloc_entry(struct rvu *rvu, rsp->free_count = 0; /* Check if ref_entry is within range */ - if (req->priority && req->ref_entry >= mcam->bmap_entries) + if (req->priority && req->ref_entry >= mcam->bmap_entries) { + dev_err(rvu->dev, "%s: reference entry %d is out of range\n", + __func__, req->ref_entry); return NPC_MCAM_INVALID_REQ; + } /* ref_entry can't be '0' if requested priority is high. * Can't be last entry if requested priority is low. @@ -2163,8 +2554,12 @@ int rvu_mbox_handler_npc_mcam_alloc_entry(struct rvu *rvu, /* Since list of allocated indices needs to be sent to requester, * max number of non-contiguous entries per mbox msg is limited. */ - if (!req->contig && req->count > NPC_MAX_NONCONTIG_ENTRIES) + if (!req->contig && req->count > NPC_MAX_NONCONTIG_ENTRIES) { + dev_err(rvu->dev, + "%s: %d Non-contiguous MCAM entries requested is more than max (%d) allowed\n", + __func__, req->count, NPC_MAX_NONCONTIG_ENTRIES); return NPC_MCAM_INVALID_REQ; + } /* Alloc request from PFFUNC with no NIXLF attached should be denied */ if (!is_nixlf_attached(rvu, pcifunc)) |