/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (c) 2005 Silicon Graphics, Inc. All rights reserved. */ #ifndef __MBCS_H__ #define __MBCS_H__ /* * General macros */ #define MB (1024*1024) #define MB2 (2*MB) #define MB4 (4*MB) #define MB6 (6*MB) /* * Offsets and masks */ #define MBCS_CM_ID 0x0000 /* Identification */ #define MBCS_CM_STATUS 0x0008 /* Status */ #define MBCS_CM_ERROR_DETAIL1 0x0010 /* Error Detail1 */ #define MBCS_CM_ERROR_DETAIL2 0x0018 /* Error Detail2 */ #define MBCS_CM_CONTROL 0x0020 /* Control */ #define MBCS_CM_REQ_TOUT 0x0028 /* Request Time-out */ #define MBCS_CM_ERR_INT_DEST 0x0038 /* Error Interrupt Destination */ #define MBCS_CM_TARG_FL 0x0050 /* Target Flush */ #define MBCS_CM_ERR_STAT 0x0060 /* Error Status */ #define MBCS_CM_CLR_ERR_STAT 0x0068 /* Clear Error Status */ #define MBCS_CM_ERR_INT_EN 0x0070 /* Error Interrupt Enable */ #define MBCS_RD_DMA_SYS_ADDR 0x0100 /* Read DMA System Address */ #define MBCS_RD_DMA_LOC_ADDR 0x0108 /* Read DMA Local Address */ #define MBCS_RD_DMA_CTRL 0x0110 /* Read DMA Control */ #define MBCS_RD_DMA_AMO_DEST 0x0118 /* Read DMA AMO Destination */ #define MBCS_RD_DMA_INT_DEST 0x0120 /* Read DMA Interrupt Destination */ #define MBCS_RD_DMA_AUX_STAT 0x0130 /* Read DMA Auxillary Status */ #define MBCS_WR_DMA_SYS_ADDR 0x0200 /* Write DMA System Address */ #define MBCS_WR_DMA_LOC_ADDR 0x0208 /* Write DMA Local Address */ #define MBCS_WR_DMA_CTRL 0x0210 /* Write DMA Control */ #define MBCS_WR_DMA_AMO_DEST 0x0218 /* Write DMA AMO Destination */ #define MBCS_WR_DMA_INT_DEST 0x0220 /* Write DMA Interrupt Destination */ #define MBCS_WR_DMA_AUX_STAT 0x0230 /* Write DMA Auxillary Status */ #define MBCS_ALG_AMO_DEST 0x0300 /* Algorithm AMO Destination */ #define MBCS_ALG_INT_DEST 0x0308 /* Algorithm Interrupt Destination */ #define MBCS_ALG_OFFSETS 0x0310 #define MBCS_ALG_STEP 0x0318 /* Algorithm Step */ #define MBCS_GSCR_START 0x0000000 #define MBCS_DEBUG_START 0x0100000 #define MBCS_RAM0_START 0x0200000 #define MBCS_RAM1_START 0x0400000 #define MBCS_RAM2_START 0x0600000 #define MBCS_CM_CONTROL_REQ_TOUT_MASK 0x0000000000ffffffUL //#define PIO_BASE_ADDR_BASE_OFFSET_MASK 0x00fffffffff00000UL #define MBCS_SRAM_SIZE (1024*1024) #define MBCS_CACHELINE_SIZE 128 /* * MMR get's and put's */ #define MBCS_MMR_ADDR(mmr_base, offset)((uint64_t *)(mmr_base + offset)) #define MBCS_MMR_SET(mmr_base, offset, value) { \ uint64_t *mbcs_mmr_set_u64p, readback; \ mbcs_mmr_set_u64p = (uint64_t *)(mmr_base + offset); \ *mbcs_mmr_set_u64p = value; \ readback = *mbcs_mmr_set_u64p; \ } #define MBCS_MMR_GET(mmr_base, offset) *(uint64_t *)(mmr_base + offset) #define MBCS_MMR_ZERO(mmr_base, offset) MBCS_MMR_SET(mmr_base, offset, 0) /* * MBCS mmr structures */ union cm_id { uint64_t cm_id_reg; struct { uint64_t always_one:1, // 0 mfg_id:11, // 11:1 part_num:16, // 27:12 bitstream_rev:8, // 35:28 :28; // 63:36 }; }; union cm_status { uint64_t cm_status_reg; struct { uint64_t pending_reads:8, // 7:0 pending_writes:8, // 15:8 ice_rsp_credits:8, // 23:16 ice_req_credits:8, // 31:24 cm_req_credits:8, // 39:32 :1, // 40 rd_dma_in_progress:1, // 41 rd_dma_done:1, // 42 :1, // 43 wr_dma_in_progress:1, // 44 wr_dma_done:1, // 45 alg_waiting:1, // 46 alg_pipe_running:1, // 47 alg_done:1, // 48 :3, // 51:49 pending_int_reqs:8, // 59:52 :3, // 62:60 alg_half_speed_sel:1; // 63 }; }; union cm_error_detail1 { uint64_t cm_error_detail1_reg; struct { uint64_t packet_type:4, // 3:0 source_id:2, // 5:4 data_size:2, // 7:6 tnum:8, // 15:8 byte_enable:8, // 23:16 gfx_cred:8, // 31:24 read_type:2, // 33:32 pio_or_memory:1, // 34 head_cw_error:1, // 35 :12, // 47:36 head_error_bit:1, // 48 data_error_bit:1, // 49 :13, // 62:50 valid:1; // 63 }; }; union cm_error_detail2 { uint64_t cm_error_detail2_reg; struct { uint64_t address:56, // 55:0 :8; // 63:56 }; }; union cm_control { uint64_t cm_control_reg; struct { uint64_t cm_id:2, // 1:0 :2, // 3:2 max_trans:5, // 8:4 :3, // 11:9 address_mode:1, // 12 :7, // 19:13 credit_limit:8, // 27:20 :5, // 32:28 rearm_stat_regs:1, // 33 prescalar_byp:1, // 34 force_gap_war:1, // 35 rd_dma_go:1, // 36 wr_dma_go:1, // 37 alg_go:1, // 38 rd_dma_clr:1, // 39 wr_dma_clr:1, // 40 alg_clr:1, // 41 :2, // 43:42 alg_wait_step:1, // 44 alg_done_amo_en:1, // 45 alg_done_int_en:1, // 46 :1, // 47 alg_sram0_locked:1, // 48 alg_sram1_locked:1, // 49 alg_sram2_locked:1, // 50 alg_done_clr:1, // 51 :12; // 63:52 }; }; union cm_req_timeout { uint64_t cm_req_timeout_reg; struct { uint64_t time_out:24, // 23:0 :40; // 63:24 }; }; union intr_dest { uint64_t intr_dest_reg; struct { uint64_t address:56, // 55:0 int_vector:8; // 63:56 }; }; union cm_error_status { uint64_t cm_error_status_reg; struct { uint64_t ecc_sbe:1, // 0 ecc_mbe:1, // 1 unsupported_req:1, // 2 unexpected_rsp:1, // 3 bad_length:1, // 4 bad_datavalid:1, // 5 buffer_overflow:1, // 6 request_timeout:1, // 7 :8, // 15:8 head_inv_data_size:1, // 16 rsp_pactype_inv:1, // 17 head_sb_err:1, // 18 missing_head:1, // 19 head_inv_rd_type:1, // 20 head_cmd_err_bit:1, // 21 req_addr_align_inv:1, // 22 pio_req_addr_inv:1, // 23 req_range_dsize_inv:1, // 24 early_term:1, // 25 early_tail:1, // 26 missing_tail:1, // 27 data_flit_sb_err:1, // 28 cm2hcm_req_cred_of:1, // 29 cm2hcm_rsp_cred_of:1, // 30 rx_bad_didn:1, // 31 rd_dma_err_rsp:1, // 32 rd_dma_tnum_tout:1, // 33 rd_dma_multi_tnum_tou:1, // 34 wr_dma_err_rsp:1, // 35 wr_dma_tnum_tout:1, // 36 wr_dma_multi_tnum_tou:1, // 37 alg_data_overflow:1, // 38 alg_data_underflow:1, // 39 ram0_access_conflict:1, // 40 ram1_access_conflict:1, // 41 ram2_access_conflict:1, // 42 ram0_perr:1, // 43 ram1_perr:1, // 44 ram2_perr:1, // 45 int_gen_rsp_err:1, // 46 int_gen_tnum_tout:1, // 47 rd_dma_prog_err:1, // 48 wr_dma_prog_err:1, // 49 :14; // 63:50 }; }; union cm_clr_error_status { uint64_t cm_clr_error_status_reg; struct { uint64_t clr_ecc_sbe:1, // 0 clr_ecc_mbe:1, // 1 clr_unsupported_req:1, // 2 clr_unexpected_rsp:1, // 3 clr_bad_length:1, // 4 clr_bad_datavalid:1, // 5 clr_buffer_overflow:1, // 6 clr_request_timeout:1, // 7 :8, // 15:8 clr_head_inv_data_siz:1, // 16 clr_rsp_pactype_inv:1, // 17 clr_head_sb_err:1, // 18 clr_missing_head:1, // 19 clr_head_inv_rd_type:1, // 20 clr_head_cmd_err_bit:1, // 21 clr_req_addr_align_in:1, // 22 clr_pio_req_addr_inv:1, // 23 clr_req_range_dsize_i:1, // 24 clr_early_term:1, // 25 clr_early_tail:1, // 26 clr_missing_tail:1, // 27 clr_data_flit_sb_err:1, // 28 clr_cm2hcm_req_cred_o:1, // 29 clr_cm2hcm_rsp_cred_o:1, // 30 clr_rx_bad_didn:1, // 31 clr_rd_dma_err_rsp:1, // 32 clr_rd_dma_tnum_tout:1, // 33 clr_rd_dma_multi_tnum:1, // 34 clr_wr_dma_err_rsp:1, // 35 clr_wr_dma_tnum_tout:1, // 36 clr_wr_dma_multi_tnum:1, // 37 clr_alg_data_overflow:1, // 38 clr_alg_data_underflo:1, // 39 clr_ram0_access_confl:1, // 40 clr_ram1_access_confl:1, // 41 clr_ram2_access_confl:1, // 42 clr_ram0_perr:1, // 43 clr_ram1_perr:1, // 44 clr_ram2_perr:1, // 45 clr_int_gen_rsp_err:1, // 46 clr_int_gen_tnum_tout:1, // 47 clr_rd_dma_prog_err:1, // 48 clr_wr_dma_prog_err:1, // 49 :14; // 63:50 }; }; union cm_error_intr_enable { uint64_t cm_error_intr_enable_reg; struct { uint64_t int_en_ecc_sbe:1, // 0 int_en_ecc_mbe:1, // 1 int_en_unsupported_re:1, // 2 int_en_unexpected_rsp:1, // 3 int_en_bad_length:1, // 4 int_en_bad_datavalid:1, // 5 int_en_buffer_overflo:1, // 6 int_en_request_timeou:1, // 7 :8, // 15:8 int_en_head_inv_data_:1, // 16 int_en_rsp_pactype_in:1, // 17 int_en_head_sb_err:1, // 18 int_en_missing_head:1, // 19 int_en_head_inv_rd_ty:1, // 20 int_en_head_cmd_err_b:1, // 21 int_en_req_addr_align:1, // 22 int_en_pio_req_addr_i:1, // 23 int_en_req_range_dsiz:1, // 24 int_en_early_term:1, // 25 int_en_early_tail:1, // 26 int_en_missing_tail:1, // 27 int_en_data_flit_sb_e:1, // 28 int_en_cm2hcm_req_cre:1, // 29 int_en_cm2hcm_rsp_cre:1, // 30 int_en_rx_bad_didn:1, // 31 int_en_rd_dma_err_rsp:1, // 32 int_en_rd_dma_tnum_to:1, // 33 int_en_rd_dma_multi_t:1, // 34 int_en_wr_dma_err_rsp:1, // 35 int_en_wr_dma_tnum_to:1, // 36 int_en_wr_dma_multi_t:1, // 37 int_en_alg_data_overf:1, // 38 int_en_alg_data_under:1, // 39 int_en_ram0_access_co:1, // 40 int_en_ram1_access_co:1, // 41 int_en_ram2_access_co:1, // 42 int_en_ram0_perr:1, // 43 int_en_ram1_perr:1, // 44 int_en_ram2_perr:1, // 45 int_en_int_gen_rsp_er:1, // 46 int_en_int_gen_tnum_t:1, // 47 int_en_rd_dma_prog_er:1, // 48 int_en_wr_dma_prog_er:1, // 49 :14; // 63:50 }; }; struct cm_mmr { union cm_id id; union cm_status status; union cm_error_detail1 err_detail1; union cm_error_detail2 err_detail2; union cm_control control; union cm_req_timeout req_timeout; uint64_t reserved1[1]; union intr_dest int_dest; uint64_t reserved2[2]; uint64_t targ_flush; uint64_t reserved3[1]; union cm_error_status err_status; union cm_clr_error_status clr_err_status; union cm_error_intr_enable int_enable; }; union dma_hostaddr { uint64_t dma_hostaddr_reg; struct { uint64_t dma_sys_addr:56, // 55:0 :8; // 63:56 }; }; union dma_localaddr { uint64_t dma_localaddr_reg; struct { uint64_t dma_ram_addr:21, // 20:0 dma_ram_sel:2, // 22:21 :41; // 63:23 }; }; union dma_control { uint64_t dma_control_reg; struct { uint64_t dma_op_length:16, // 15:0 :18, // 33:16 done_amo_en:1, // 34 done_int_en:1, // 35 :1, // 36 pio_mem_n:1, // 37 :26; // 63:38 }; }; union dma_amo_dest { uint64_t dma_amo_dest_reg; struct { uint64_t dma_amo_sys_addr:56, // 55:0 dma_amo_mod_type:3, // 58:56 :5; // 63:59 }; }; union rdma_aux_status { uint64_t rdma_aux_status_reg; struct { uint64_t op_num_pacs_left:17, // 16:0 :5, // 21:17 lrsp_buff_empty:1, // 22 :17, // 39:23 pending_reqs_left:6, // 45:40 :18; // 63:46 }; }; struct rdma_mmr { union dma_hostaddr host_addr; union dma_localaddr local_addr; union dma_control control; union dma_amo_dest amo_dest; union intr_dest intr_dest; union rdma_aux_status aux_status; }; union wdma_aux_status { uint64_t wdma_aux_status_reg; struct { uint64_t op_num_pacs_left:17, // 16:0 :4, // 20:17 lreq_buff_empty:1, // 21 :18, // 39:22 pending_reqs_left:6, // 45:40 :18; // 63:46 }; }; struct wdma_mmr { union dma_hostaddr host_addr; union dma_localaddr local_addr; union dma_control control; union dma_amo_dest amo_dest; union intr_dest intr_dest; union wdma_aux_status aux_status; }; union algo_step { uint64_t algo_step_reg; struct { uint64_t alg_step_cnt:16, // 15:0 :48; // 63:16 }; }; struct algo_mmr { union dma_amo_dest amo_dest; union intr_dest intr_dest; union { uint64_t algo_offset_reg; struct { uint64_t sram0_offset:7, // 6:0 reserved0:1, // 7 sram1_offset:7, // 14:8 reserved1:1, // 15 sram2_offset:7, // 22:16 reserved2:14; // 63:23 }; } sram_offset; union algo_step step; }; struct mbcs_mmr { struct cm_mmr cm; uint64_t reserved1[17]; struct rdma_mmr rdDma; uint64_t reserved2[25]; struct wdma_mmr wrDma; uint64_t reserved3[25]; struct algo_mmr algo; uint64_t reserved4[156]; }; /* * defines */ #define DEVICE_NAME "mbcs" #define MBCS_PART_NUM 0xfff0 #define MBCS_PART_NUM_ALG0 0xf001 #define MBCS_MFG_NUM 0x1 struct algoblock { uint64_t amoHostDest; uint64_t amoModType; uint64_t intrHostDest; uint64_t intrVector; uint64_t algoStepCount; }; struct getdma { uint64_t hostAddr; uint64_t localAddr; uint64_t bytes; uint64_t DoneAmoEnable; uint64_t DoneIntEnable; uint64_t peerIO; uint64_t amoHostDest; uint64_t amoModType; uint64_t intrHostDest; uint64_t intrVector; }; struct putdma { uint64_t hostAddr; uint64_t localAddr; uint64_t bytes; uint64_t DoneAmoEnable; uint64_t DoneIntEnable; uint64_t peerIO; uint64_t amoHostDest; uint64_t amoModType; uint64_t intrHostDest; uint64_t intrVector; }; struct mbcs_soft { struct list_head list; struct cx_dev *cxdev; int major; int nasid; void *mmr_base; wait_queue_head_t dmawrite_queue; wait_queue_head_t dmaread_queue; wait_queue_head_t algo_queue; struct sn_irq_info *get_sn_irq; struct sn_irq_info *put_sn_irq; struct sn_irq_info *algo_sn_irq; struct getdma getdma; struct putdma putdma; struct algoblock algo; uint64_t gscr_addr; // pio addr uint64_t ram0_addr; // pio addr uint64_t ram1_addr; // pio addr uint64_t ram2_addr; // pio addr uint64_t debug_addr; // pio addr atomic_t dmawrite_done; atomic_t dmaread_done; atomic_t algo_done; struct semaphore dmawritelock; struct semaphore dmareadlock; struct semaphore algolock; }; extern int mbcs_open(struct inode *ip, struct file *fp); extern ssize_t mbcs_sram_read(struct file *fp, char __user *buf, size_t len, loff_t * off); extern ssize_t mbcs_sram_write(struct file *fp, const char __user *buf, size_t len, loff_t * off); extern loff_t mbcs_sram_llseek(struct file *filp, loff_t off, int whence); extern int mbcs_gscr_mmap(struct file *fp, struct vm_area_struct *vma); #endif // __MBCS_H__