diff options
Diffstat (limited to 'drivers/net/octeontx2/nix.h')
| -rw-r--r-- | drivers/net/octeontx2/nix.h | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/drivers/net/octeontx2/nix.h b/drivers/net/octeontx2/nix.h new file mode 100644 index 0000000000..03260dddb3 --- /dev/null +++ b/drivers/net/octeontx2/nix.h @@ -0,0 +1,353 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2018 Marvell International Ltd. + */ + +#ifndef __NIX_H__ +#define __NIX_H__ + +#include <asm/arch/csrs/csrs-npa.h> +#include <asm/arch/csrs/csrs-nix.h> +#include "rvu.h" + +/** Maximum number of LMACs supported */ +#define MAX_LMAC 12 + +/* NIX RX action operation*/ +#define NIX_RX_ACTIONOP_DROP (0x0ull) +#define NIX_RX_ACTIONOP_UCAST (0x1ull) +#define NIX_RX_ACTIONOP_UCAST_IPSEC (0x2ull) +#define NIX_RX_ACTIONOP_MCAST (0x3ull) +#define NIX_RX_ACTIONOP_RSS (0x4ull) + +/* NIX TX action operation*/ +#define NIX_TX_ACTIONOP_DROP (0x0ull) +#define NIX_TX_ACTIONOP_UCAST_DEFAULT (0x1ull) +#define NIX_TX_ACTIONOP_UCAST_CHAN (0x2ull) +#define NIX_TX_ACTIONOP_MCAST (0x3ull) +#define NIX_TX_ACTIONOP_DROP_VIOL (0x5ull) + +#define NIX_INTF_RX 0 +#define NIX_INTF_TX 1 + +#define NIX_INTF_TYPE_CGX 0 +#define NIX_INTF_TYPE_LBK 1 +#define NIX_MAX_HW_MTU 9212 +#define NIX_MIN_HW_MTU 40 +#define MAX_MTU 1536 + +#define NPA_POOL_COUNT 3 +#define NPA_AURA_COUNT(x) (1ULL << ((x) + 6)) +#define NPA_POOL_RX 0ULL +#define NPA_POOL_TX 1ULL +#define NPA_POOL_SQB 2ULL +#define RQ_QLEN Q_COUNT(Q_SIZE_1K) +#define SQ_QLEN Q_COUNT(Q_SIZE_1K) +#define SQB_QLEN Q_COUNT(Q_SIZE_16) + +#define NIX_CQ_RX 0ULL +#define NIX_CQ_TX 1ULL +#define NIX_CQ_COUNT 2ULL +#define NIX_CQE_SIZE_W16 (16 * sizeof(u64)) +#define NIX_CQE_SIZE_W64 (64 * sizeof(u64)) + +/** Size of aura hardware context */ +#define NPA_AURA_HW_CTX_SIZE 48 +/** Size of pool hardware context */ +#define NPA_POOL_HW_CTX_SIZE 64 + +#define NPA_DEFAULT_PF_FUNC 0xffff + +#define NIX_CHAN_CGX_LMAC_CHX(a, b, c) (0x800 + 0x100 * (a) + 0x10 * (b) + (c)) +#define NIX_LINK_CGX_LMAC(a, b) (0 + 4 * (a) + (b)) +#define NIX_LINK_LBK(a) (12 + (a)) +#define NIX_CHAN_LBK_CHX(a, b) (0 + 0x100 * (a) + (b)) +#define MAX_LMAC_PKIND 12 + +/** Number of Admin queue entries */ +#define AQ_RING_SIZE Q_COUNT(Q_SIZE_16) + +/** Each completion queue contains 256 entries, see NIC_CQ_CTX_S[qsize] */ +#define CQS_QSIZE Q_SIZE_256 +#define CQ_ENTRIES Q_COUNT(CQS_QSIZE) +/** + * Each completion queue entry contains 128 bytes, see + * NIXX_AF_LFX_CFG[xqe_size] + */ +#define CQ_ENTRY_SIZE NIX_CQE_SIZE_W16 + +enum npa_aura_size { + NPA_AURA_SZ_0, + NPA_AURA_SZ_128, + NPA_AURA_SZ_256, + NPA_AURA_SZ_512, + NPA_AURA_SZ_1K, + NPA_AURA_SZ_2K, + NPA_AURA_SZ_4K, + NPA_AURA_SZ_8K, + NPA_AURA_SZ_16K, + NPA_AURA_SZ_32K, + NPA_AURA_SZ_64K, + NPA_AURA_SZ_128K, + NPA_AURA_SZ_256K, + NPA_AURA_SZ_512K, + NPA_AURA_SZ_1M, + NPA_AURA_SZ_MAX, +}; + +#define NPA_AURA_SIZE_DEFAULT NPA_AURA_SZ_128 + +/* NIX Transmit schedulers */ +enum nix_scheduler { + NIX_TXSCH_LVL_SMQ = 0x0, + NIX_TXSCH_LVL_MDQ = 0x0, + NIX_TXSCH_LVL_TL4 = 0x1, + NIX_TXSCH_LVL_TL3 = 0x2, + NIX_TXSCH_LVL_TL2 = 0x3, + NIX_TXSCH_LVL_TL1 = 0x4, + NIX_TXSCH_LVL_CNT = 0x5, +}; + +struct cgx; + +struct nix_stats { + u64 num_packets; + u64 num_bytes; +}; + +struct nix; +struct lmac; + +struct npa_af { + void __iomem *npa_af_base; + struct admin_queue aq; + u32 aura; +}; + +struct npa { + struct npa_af *npa_af; + void __iomem *npa_base; + void __iomem *npc_base; + void __iomem *lmt_base; + /** Hardware aura context */ + void *aura_ctx; + /** Hardware pool context */ + void *pool_ctx[NPA_POOL_COUNT]; + void *pool_stack[NPA_POOL_COUNT]; + void **buffers[NPA_POOL_COUNT]; + u32 pool_stack_pages[NPA_POOL_COUNT]; + u32 pool_stack_pointers; + u32 q_len[NPA_POOL_COUNT]; + u32 buf_size[NPA_POOL_COUNT]; + u32 stack_pages[NPA_POOL_COUNT]; +}; + +struct nix_af { + struct udevice *dev; + struct nix *lmacs[MAX_LMAC]; + struct npa_af *npa_af; + void __iomem *nix_af_base; + void __iomem *npc_af_base; + struct admin_queue aq; + u8 num_lmacs; + s8 index; + u8 xqe_size; + u32 sqb_size; + u32 qints; + u32 cints; + u32 sq_ctx_sz; + u32 rq_ctx_sz; + u32 cq_ctx_sz; + u32 rsse_ctx_sz; + u32 cint_ctx_sz; + u32 qint_ctx_sz; +}; + +struct nix_tx_dr { + union nix_send_hdr_s hdr; + union nix_send_sg_s tx_sg; + dma_addr_t sg1_addr; + dma_addr_t sg2_addr; + dma_addr_t sg3_addr; + u64 in_use; +}; + +struct nix_rx_dr { + union nix_cqe_hdr_s hdr; + union nix_rx_parse_s rx_parse; + union nix_rx_sg_s rx_sg; +}; + +struct nix { + struct udevice *dev; + struct eth_device *netdev; + struct nix_af *nix_af; + struct npa *npa; + struct lmac *lmac; + union nix_cint_hw_s *cint_base; + union nix_cq_ctx_s *cq_ctx_base; + union nix_qint_hw_s *qint_base; + union nix_rq_ctx_s *rq_ctx_base; + union nix_rsse_s *rss_base; + union nix_sq_ctx_s *sq_ctx_base; + void *cqe_base; + struct qmem sq; + struct qmem cq[NIX_CQ_COUNT]; + struct qmem rq; + struct qmem rss; + struct qmem cq_ints; + struct qmem qints; + char name[16]; + void __iomem *nix_base; /** PF reg base */ + void __iomem *npc_base; + void __iomem *lmt_base; + struct nix_stats tx_stats; + struct nix_stats rx_stats; + u32 aura; + int pknd; + int lf; + int pf; + u16 pf_func; + u32 rq_cnt; /** receive queues count */ + u32 sq_cnt; /** send queues count */ + u32 cq_cnt; /** completion queues count */ + u16 rss_sz; + u16 sqb_size; + u8 rss_grps; + u8 xqe_sz; +}; + +struct nix_aq_cq_dis { + union nix_aq_res_s resp ALIGNED; + union nix_cq_ctx_s cq ALIGNED; + union nix_cq_ctx_s mcq ALIGNED; +}; + +struct nix_aq_rq_dis { + union nix_aq_res_s resp ALIGNED; + union nix_rq_ctx_s rq ALIGNED; + union nix_rq_ctx_s mrq ALIGNED; +}; + +struct nix_aq_sq_dis { + union nix_aq_res_s resp ALIGNED; + union nix_sq_ctx_s sq ALIGNED; + union nix_sq_ctx_s msq ALIGNED; +}; + +struct nix_aq_cq_request { + union nix_aq_res_s resp ALIGNED; + union nix_cq_ctx_s cq ALIGNED; +}; + +struct nix_aq_rq_request { + union nix_aq_res_s resp ALIGNED; + union nix_rq_ctx_s rq ALIGNED; +}; + +struct nix_aq_sq_request { + union nix_aq_res_s resp ALIGNED; + union nix_sq_ctx_s sq ALIGNED; +}; + +static inline u64 nix_af_reg_read(struct nix_af *nix_af, u64 offset) +{ + u64 val = readq(nix_af->nix_af_base + offset); + + debug("%s reg %p val %llx\n", __func__, nix_af->nix_af_base + offset, + val); + return val; +} + +static inline void nix_af_reg_write(struct nix_af *nix_af, u64 offset, + u64 val) +{ + debug("%s reg %p val %llx\n", __func__, nix_af->nix_af_base + offset, + val); + writeq(val, nix_af->nix_af_base + offset); +} + +static inline u64 nix_pf_reg_read(struct nix *nix, u64 offset) +{ + u64 val = readq(nix->nix_base + offset); + + debug("%s reg %p val %llx\n", __func__, nix->nix_base + offset, + val); + return val; +} + +static inline void nix_pf_reg_write(struct nix *nix, u64 offset, + u64 val) +{ + debug("%s reg %p val %llx\n", __func__, nix->nix_base + offset, + val); + writeq(val, nix->nix_base + offset); +} + +static inline u64 npa_af_reg_read(struct npa_af *npa_af, u64 offset) +{ + u64 val = readq(npa_af->npa_af_base + offset); + + debug("%s reg %p val %llx\n", __func__, npa_af->npa_af_base + offset, + val); + return val; +} + +static inline void npa_af_reg_write(struct npa_af *npa_af, u64 offset, + u64 val) +{ + debug("%s reg %p val %llx\n", __func__, npa_af->npa_af_base + offset, + val); + writeq(val, npa_af->npa_af_base + offset); +} + +static inline u64 npc_af_reg_read(struct nix_af *nix_af, u64 offset) +{ + u64 val = readq(nix_af->npc_af_base + offset); + + debug("%s reg %p val %llx\n", __func__, nix_af->npc_af_base + offset, + val); + return val; +} + +static inline void npc_af_reg_write(struct nix_af *nix_af, u64 offset, + u64 val) +{ + debug("%s reg %p val %llx\n", __func__, nix_af->npc_af_base + offset, + val); + writeq(val, nix_af->npc_af_base + offset); +} + +int npa_attach_aura(struct nix_af *nix_af, int lf, + const union npa_aura_s *desc, u32 aura_id); +int npa_attach_pool(struct nix_af *nix_af, int lf, + const union npa_pool_s *desc, u32 pool_id); +int npa_af_setup(struct npa_af *npa_af); +int npa_af_shutdown(struct npa_af *npa_af); +int npa_lf_setup(struct nix *nix); +int npa_lf_shutdown(struct nix *nix); +int npa_lf_admin_setup(struct npa *npa, int lf, dma_addr_t aura_base); +int npa_lf_admin_shutdown(struct nix_af *nix_af, int lf, u32 pool_count); + +int npc_lf_admin_setup(struct nix *nix); +int npc_af_shutdown(struct nix_af *nix_af); + +int nix_af_setup(struct nix_af *nix_af); +int nix_af_shutdown(struct nix_af *nix_af); +int nix_lf_setup(struct nix *nix); +int nix_lf_shutdown(struct nix *nix); +struct nix *nix_lf_alloc(struct udevice *dev); +int nix_lf_admin_setup(struct nix *nix); +int nix_lf_admin_shutdown(struct nix_af *nix_af, int lf, + u32 cq_count, u32 rq_count, u32 sq_count); +struct rvu_af *get_af(void); + +int nix_lf_setup_mac(struct udevice *dev); +int nix_lf_read_rom_mac(struct udevice *dev); +void nix_lf_halt(struct udevice *dev); +int nix_lf_free_pkt(struct udevice *dev, uchar *pkt, int pkt_len); +int nix_lf_recv(struct udevice *dev, int flags, uchar **packetp); +int nix_lf_init(struct udevice *dev); +int nix_lf_xmit(struct udevice *dev, void *pkt, int pkt_len); + +#endif /* __NIX_H__ */ |