/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_NXGE_NXGE_RXDMA_H #define _SYS_NXGE_NXGE_RXDMA_H #ifdef __cplusplus extern "C" { #endif #include #include #define RXDMA_CK_DIV_DEFAULT 7500 /* 25 usec */ /* * Hardware RDC designer: 8 cache lines during Atlas bringup. */ #define RXDMA_RED_LESS_BYTES (8 * 64) /* 8 cache line */ #define RXDMA_RED_LESS_ENTRIES (RXDMA_RED_LESS_BYTES/8) #define RXDMA_RED_WINDOW_DEFAULT 0 #define RXDMA_RED_THRES_DEFAULT 0 #define RXDMA_RCR_PTHRES_DEFAULT 0x20 #define RXDMA_RCR_TO_DEFAULT 0x8 /* * hardware workarounds: kick 16 (was 8 before) */ #define NXGE_RXDMA_POST_BATCH 16 #define RXBUF_START_ADDR(a, index, bsize) ((a & (index * bsize)) #define RXBUF_OFFSET_FROM_START(a, start) (start - a) #define RXBUF_64B_ALIGNED 64 #define NXGE_RXBUF_EXTRA 34 /* * Receive buffer thresholds and buffer types */ #define NXGE_RX_BCOPY_SCALE 8 /* use 1/8 as lowest granularity */ typedef enum { NXGE_RX_COPY_ALL = 0, /* do bcopy on every packet */ NXGE_RX_COPY_1, /* bcopy on 1/8 of buffer posted */ NXGE_RX_COPY_2, /* bcopy on 2/8 of buffer posted */ NXGE_RX_COPY_3, /* bcopy on 3/8 of buffer posted */ NXGE_RX_COPY_4, /* bcopy on 4/8 of buffer posted */ NXGE_RX_COPY_5, /* bcopy on 5/8 of buffer posted */ NXGE_RX_COPY_6, /* bcopy on 6/8 of buffer posted */ NXGE_RX_COPY_7, /* bcopy on 7/8 of buffer posted */ NXGE_RX_COPY_NONE /* don't do bcopy at all */ } nxge_rxbuf_threshold_t; typedef enum { NXGE_RBR_TYPE0 = RCR_PKTBUFSZ_0, /* bcopy buffer size 0 (small) */ NXGE_RBR_TYPE1 = RCR_PKTBUFSZ_1, /* bcopy buffer size 1 (medium) */ NXGE_RBR_TYPE2 = RCR_PKTBUFSZ_2 /* bcopy buffer size 2 (large) */ } nxge_rxbuf_type_t; typedef struct _rdc_errlog { rdmc_par_err_log_t pre_par; rdmc_par_err_log_t sha_par; uint8_t compl_err_type; } rdc_errlog_t; /* * Receive Statistics. */ typedef struct _nxge_rx_ring_stats_t { uint64_t ipackets; uint64_t ibytes; uint32_t ierrors; uint32_t multircv; uint32_t brdcstrcv; uint32_t norcvbuf; uint32_t rx_inits; uint32_t rx_jumbo_pkts; uint32_t rx_multi_pkts; uint32_t rx_mtu_pkts; uint32_t rx_no_buf; /* * Receive buffer management statistics. */ uint32_t rx_new_pages; uint32_t rx_new_mtu_pgs; uint32_t rx_new_nxt_pgs; uint32_t rx_reused_pgs; uint32_t rx_mtu_drops; uint32_t rx_nxt_drops; /* * Error event stats. */ uint32_t rx_rbr_tmout; uint32_t pkt_too_long_err; uint32_t l2_err; uint32_t l4_cksum_err; uint32_t fflp_soft_err; uint32_t zcp_soft_err; uint32_t rcr_unknown_err; uint32_t dcf_err; uint32_t rbr_tmout; uint32_t rsp_cnt_err; uint32_t byte_en_err; uint32_t byte_en_bus; uint32_t rsp_dat_err; uint32_t rcr_ack_err; uint32_t dc_fifo_err; uint32_t rcr_sha_par; uint32_t rbr_pre_par; uint32_t port_drop_pkt; uint32_t wred_drop; uint32_t rbr_pre_empty; uint32_t rcr_shadow_full; uint32_t config_err; uint32_t rcrincon; uint32_t rcrfull; uint32_t rbr_empty; uint32_t rbrfull; uint32_t rbrlogpage; uint32_t cfiglogpage; uint32_t rcrto; uint32_t rcrthres; uint32_t mex; rdc_errlog_t errlog; } nxge_rx_ring_stats_t, *p_nxge_rx_ring_stats_t; typedef struct _nxge_rdc_sys_stats { uint32_t pre_par; uint32_t sha_par; uint32_t id_mismatch; uint32_t ipp_eop_err; uint32_t zcp_eop_err; } nxge_rdc_sys_stats_t, *p_nxge_rdc_sys_stats_t; /* * Software reserved buffer offset */ typedef struct _nxge_rxbuf_off_hdr_t { uint32_t index; } nxge_rxbuf_off_hdr_t, *p_nxge_rxbuf_off_hdr_t; typedef struct _rx_msg_t { nxge_os_dma_common_t buf_dma; nxge_os_mutex_t lock; struct _nxge_t *nxgep; struct _rx_rbr_ring_t *rx_rbr_p; boolean_t spare_in_use; boolean_t free; uint32_t ref_cnt; #ifdef RXBUFF_USE_SEPARATE_UP_CNTR uint32_t pass_up_cnt; boolean_t release; #endif nxge_os_frtn_t freeb; size_t bytes_arrived; size_t bytes_expected; size_t block_size; uint32_t block_index; uint32_t pkt_buf_size; uint32_t pkt_buf_size_code; uint32_t max_pkt_bufs; uint32_t cur_usage_cnt; uint32_t max_usage_cnt; uchar_t *buffer; uint32_t pri; uint32_t shifted_addr; boolean_t use_buf_pool; p_mblk_t rx_mblk_p; boolean_t rx_use_bcopy; } rx_msg_t, *p_rx_msg_t; typedef struct _rx_dma_handle_t { nxge_os_dma_handle_t dma_handle; /* DMA handle */ nxge_os_acc_handle_t acc_handle; /* DMA memory handle */ npi_handle_t npi_handle; } rx_dma_handle_t, *p_rx_dma_handle_t; /* Receive Completion Ring */ typedef struct _rx_rcr_ring_t { nxge_os_dma_common_t rcr_desc; struct _nxge_t *nxgep; p_nxge_rx_ring_stats_t rdc_stats; int poll_flag; /* 1 if polling mode */ rcrcfig_a_t rcr_cfga; rcrcfig_b_t rcr_cfgb; nxge_os_mutex_t lock; uint16_t index; uint16_t rdc; boolean_t full_hdr_flag; /* 1: 18 bytes header */ uint16_t sw_priv_hdr_len; /* 0 - 192 bytes (SW) */ uint32_t comp_size; /* # of RCR entries */ uint64_t rcr_addr; uint_t comp_wrap_mask; uint_t comp_rd_index; uint_t comp_wt_index; p_rcr_entry_t rcr_desc_first_p; p_rcr_entry_t rcr_desc_first_pp; p_rcr_entry_t rcr_desc_last_p; p_rcr_entry_t rcr_desc_last_pp; p_rcr_entry_t rcr_desc_rd_head_p; /* software next read */ p_rcr_entry_t rcr_desc_rd_head_pp; uint64_t rcr_tail_pp; uint64_t rcr_head_pp; struct _rx_rbr_ring_t *rx_rbr_p; uint32_t intr_timeout; uint32_t intr_threshold; uint64_t max_receive_pkts; mac_ring_handle_t rcr_mac_handle; uint64_t rcr_gen_num; uint32_t rcvd_pkt_bytes; /* Received bytes of a packet */ p_nxge_ldv_t ldvp; p_nxge_ldg_t ldgp; } rx_rcr_ring_t, *p_rx_rcr_ring_t; /* Buffer index information */ typedef struct _rxbuf_index_info_t { uint32_t buf_index; uint32_t start_index; uint32_t buf_size; uint64_t dvma_addr; uint64_t kaddr; } rxbuf_index_info_t, *p_rxbuf_index_info_t; /* Buffer index information */ typedef struct _rxring_info_t { uint32_t hint[3]; uint32_t block_size_mask; uint16_t max_iterations; rxbuf_index_info_t buffer[NXGE_DMA_BLOCK]; } rxring_info_t, *p_rxring_info_t; typedef enum { RBR_POSTING = 1, /* We may post rx buffers. */ RBR_UNMAPPING, /* We are in the process of unmapping. */ RBR_UNMAPPED /* The ring is unmapped. */ } rbr_state_t; /* Receive Buffer Block Ring */ typedef struct _rx_rbr_ring_t { nxge_os_dma_common_t rbr_desc; p_rx_msg_t *rx_msg_ring; p_nxge_dma_common_t *dma_bufp; rbr_cfig_a_t rbr_cfga; rbr_cfig_b_t rbr_cfgb; rbr_kick_t rbr_kick; log_page_vld_t page_valid; log_page_mask_t page_mask_1; log_page_mask_t page_mask_2; log_page_value_t page_value_1; log_page_value_t page_value_2; log_page_relo_t page_reloc_1; log_page_relo_t page_reloc_2; log_page_hdl_t page_hdl; boolean_t cfg_set; nxge_os_mutex_t lock; nxge_os_mutex_t post_lock; uint16_t index; struct _nxge_t *nxgep; uint16_t rdc; uint16_t rdc_grp_id; uint_t rbr_max_size; uint64_t rbr_addr; uint_t rbr_wrap_mask; uint_t rbb_max; uint_t rbb_added; uint_t block_size; uint_t num_blocks; uint_t tnblocks; uint_t pkt_buf_size0; uint_t pkt_buf_size0_bytes; uint_t npi_pkt_buf_size0; uint_t pkt_buf_size1; uint_t pkt_buf_size1_bytes; uint_t npi_pkt_buf_size1; uint_t pkt_buf_size2; uint_t pkt_buf_size2_bytes; uint_t npi_pkt_buf_size2; uint32_t *rbr_desc_vp; p_rx_rcr_ring_t rx_rcr_p; uint_t rbr_wr_index; uint_t rbr_rd_index; rxring_info_t *ring_info; #if defined(sun4v) && defined(NIU_LP_WORKAROUND) uint64_t hv_rx_buf_base_ioaddr_pp; uint64_t hv_rx_buf_ioaddr_size; uint64_t hv_rx_cntl_base_ioaddr_pp; uint64_t hv_rx_cntl_ioaddr_size; boolean_t hv_set; #endif uint_t rbr_consumed; uint_t rbr_threshold_hi; uint_t rbr_threshold_lo; nxge_rxbuf_type_t rbr_bufsize_type; boolean_t rbr_use_bcopy; /* * is a count of those receive buffers which * have been loaned to the kernel. We will not free this * ring until the reference count reaches zero (0). */ uint32_t rbr_ref_cnt; rbr_state_t rbr_state; /* POSTING, etc */ /* * Receive buffer allocation types: * ddi_dma_mem_alloc(), contig_mem_alloc(), kmem_alloc() */ buf_alloc_type_t rbr_alloc_type; } rx_rbr_ring_t, *p_rx_rbr_ring_t; /* Receive Mailbox */ typedef struct _rx_mbox_t { nxge_os_dma_common_t rx_mbox; rxdma_cfig1_t rx_cfg1; rxdma_cfig2_t rx_cfg2; uint64_t mbox_addr; boolean_t cfg_set; nxge_os_mutex_t lock; uint16_t index; struct _nxge_t *nxgep; uint16_t rdc; } rx_mbox_t, *p_rx_mbox_t; typedef struct _rx_rbr_rings_t { p_rx_rbr_ring_t *rbr_rings; uint32_t ndmas; boolean_t rxbuf_allocated; } rx_rbr_rings_t, *p_rx_rbr_rings_t; typedef struct _rx_rcr_rings_t { p_rx_rcr_ring_t *rcr_rings; uint32_t ndmas; boolean_t cntl_buf_allocated; } rx_rcr_rings_t, *p_rx_rcr_rings_t; typedef struct _rx_mbox_areas_t { p_rx_mbox_t *rxmbox_areas; uint32_t ndmas; boolean_t mbox_allocated; } rx_mbox_areas_t, *p_rx_mbox_areas_t; /* * Global register definitions per chip and they are initialized * using the function zero control registers. * . */ typedef struct _rxdma_globals { boolean_t mode32; uint16_t rxdma_ck_div_cnt; uint16_t rxdma_red_ran_init; uint32_t rxdma_eing_timeout; } rxdma_globals_t, *p_rxdma_globals; /* * Receive DMA Prototypes. */ nxge_status_t nxge_init_rxdma_channels(p_nxge_t); void nxge_uninit_rxdma_channels(p_nxge_t); nxge_status_t nxge_init_rxdma_channel(p_nxge_t, int); void nxge_uninit_rxdma_channel(p_nxge_t, int); nxge_status_t nxge_init_rxdma_channel_rcrflush(p_nxge_t, uint8_t); nxge_status_t nxge_reset_rxdma_channel(p_nxge_t, uint16_t); nxge_status_t nxge_init_rxdma_channel_cntl_stat(p_nxge_t, uint16_t, p_rx_dma_ctl_stat_t); nxge_status_t nxge_enable_rxdma_channel(p_nxge_t, uint16_t, p_rx_rbr_ring_t, p_rx_rcr_ring_t, p_rx_mbox_t); nxge_status_t nxge_init_rxdma_channel_event_mask(p_nxge_t, uint16_t, p_rx_dma_ent_msk_t); nxge_status_t nxge_rxdma_hw_mode(p_nxge_t, boolean_t); void nxge_hw_start_rx(p_nxge_t); void nxge_fixup_rxdma_rings(p_nxge_t); nxge_status_t nxge_dump_rxdma_channel(p_nxge_t, uint8_t); void nxge_rxdma_fix_channel(p_nxge_t, uint16_t); void nxge_rxdma_fixup_channel(p_nxge_t, uint16_t, int); int nxge_rxdma_get_ring_index(p_nxge_t, uint16_t); mblk_t *nxge_rx_poll(void *, int); int nxge_enable_poll(void *); int nxge_disable_poll(void *); void nxge_rxdma_regs_dump_channels(p_nxge_t); nxge_status_t nxge_rxdma_handle_sys_errors(p_nxge_t); void nxge_rxdma_inject_err(p_nxge_t, uint32_t, uint8_t); extern nxge_status_t nxge_alloc_rx_mem_pool(p_nxge_t); extern nxge_status_t nxge_alloc_rxb(p_nxge_t nxgep, int channel); extern void nxge_free_rxb(p_nxge_t nxgep, int channel); int nxge_get_rxring_index(p_nxge_t, int, int); #ifdef __cplusplus } #endif #endif /* _SYS_NXGE_NXGE_RXDMA_H */