1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _HPI_TXDMA_H 27 #define _HPI_TXDMA_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <hpi.h> 34 #include <hxge_txdma_hw.h> 35 #include <hxge_tdc_hw.h> 36 37 typedef enum _txdma_cs_cntl_e { 38 TXDMA_INIT_RESET = 0x1, 39 TXDMA_INIT_START = 0x2, 40 TXDMA_START = 0x3, 41 TXDMA_RESET = 0x4, 42 TXDMA_STOP = 0x5, 43 TXDMA_MBOX_ENABLE = 0x6 44 } txdma_cs_cntl_t; 45 46 #define HXGE_TXDMA_OFFSET(x, v, channel) (x + \ 47 (!v ? DMC_OFFSET(channel) : TDMC_PIOVADDR_OFFSET(channel))) 48 /* 49 * PIO macros to read and write the transmit registers. 50 */ 51 #define TXDMA_REG_READ64(handle, reg, channel, val_p) \ 52 HXGE_REG_RD64(handle, \ 53 (HXGE_TXDMA_OFFSET(reg, handle.is_vraddr, channel)), val_p) 54 55 #define TXDMA_REG_WRITE64(handle, reg, channel, data) \ 56 HXGE_REG_WR64(handle, \ 57 HXGE_TXDMA_OFFSET(reg, handle.is_vraddr, channel), data) 58 59 #define HPI_TXDMA_GATHER_INDEX(index) \ 60 ((index <= TX_MAX_GATHER_POINTERS)) ? HPI_SUCCESS : \ 61 (HPI_TXDMA_GATHER_INVALID) 62 63 /* 64 * Transmit HPI error codes 65 */ 66 #define TXDMA_ER_ST (TXDMA_BLK_ID << HPI_BLOCK_ID_SHIFT) 67 #define TXDMA_ID_SHIFT(n) (n << HPI_PORT_CHAN_SHIFT) 68 69 #define TXDMA_HW_STOP_FAILED (HPI_BK_HW_ER_START | 0x1) 70 #define TXDMA_HW_RESUME_FAILED (HPI_BK_HW_ER_START | 0x2) 71 72 #define TXDMA_GATHER_INVALID (HPI_BK_ERROR_START | 0x1) 73 #define TXDMA_XFER_LEN_INVALID (HPI_BK_ERROR_START | 0x2) 74 75 #define HPI_TXDMA_OPCODE_INVALID(n) (TXDMA_ID_SHIFT(n) | \ 76 TXDMA_ER_ST | OPCODE_INVALID) 77 78 #define HPI_TXDMA_FUNC_INVALID(n) (TXDMA_ID_SHIFT(n) | \ 79 TXDMA_ER_ST | PORT_INVALID) 80 #define HPI_TXDMA_CHANNEL_INVALID(n) (TXDMA_ID_SHIFT(n) | \ 81 TXDMA_ER_ST | CHANNEL_INVALID) 82 83 #define HPI_TXDMA_PAGE_INVALID(n) (TXDMA_ID_SHIFT(n) | \ 84 TXDMA_ER_ST | LOGICAL_PAGE_INVALID) 85 86 #define HPI_TXDMA_REGISTER_INVALID (TXDMA_ER_ST | REGISTER_INVALID) 87 #define HPI_TXDMA_COUNTER_INVALID (TXDMA_ER_ST | COUNTER_INVALID) 88 #define HPI_TXDMA_CONFIG_INVALID (TXDMA_ER_ST | CONFIG_INVALID) 89 90 91 #define HPI_TXDMA_GATHER_INVALID (TXDMA_ER_ST | TXDMA_GATHER_INVALID) 92 #define HPI_TXDMA_XFER_LEN_INVALID (TXDMA_ER_ST | TXDMA_XFER_LEN_INVALID) 93 94 #define HPI_TXDMA_RESET_FAILED (TXDMA_ER_ST | RESET_FAILED) 95 #define HPI_TXDMA_STOP_FAILED (TXDMA_ER_ST | TXDMA_HW_STOP_FAILED) 96 #define HPI_TXDMA_RESUME_FAILED (TXDMA_ER_ST | TXDMA_HW_RESUME_FAILED) 97 98 /* 99 * Transmit DMA Channel HPI Prototypes. 100 */ 101 hpi_status_t hpi_txdma_log_page_handle_set(hpi_handle_t handle, 102 uint8_t channel, tdc_page_handle_t *hdl_p); 103 hpi_status_t hpi_txdma_channel_reset(hpi_handle_t handle, uint8_t channel); 104 hpi_status_t hpi_txdma_channel_init_enable(hpi_handle_t handle, 105 uint8_t channel); 106 hpi_status_t hpi_txdma_channel_enable(hpi_handle_t handle, uint8_t channel); 107 hpi_status_t hpi_txdma_channel_disable(hpi_handle_t handle, uint8_t channel); 108 hpi_status_t hpi_txdma_channel_mbox_enable(hpi_handle_t handle, 109 uint8_t channel); 110 hpi_status_t hpi_txdma_channel_control(hpi_handle_t handle, 111 txdma_cs_cntl_t control, uint8_t channel); 112 hpi_status_t hpi_txdma_control_status(hpi_handle_t handle, io_op_t op_mode, 113 uint8_t channel, tdc_stat_t *cs_p); 114 115 hpi_status_t hpi_txdma_event_mask(hpi_handle_t handle, io_op_t op_mode, 116 uint8_t channel, tdc_int_mask_t *mask_p); 117 118 hpi_status_t hpi_txdma_ring_config(hpi_handle_t handle, io_op_t op_mode, 119 uint8_t channel, uint64_t *reg_data); 120 hpi_status_t hpi_txdma_mbox_config(hpi_handle_t handle, io_op_t op_mode, 121 uint8_t channel, uint64_t *mbox_addr); 122 hpi_status_t hpi_txdma_desc_gather_set(hpi_handle_t handle, 123 p_tx_desc_t desc_p, uint8_t gather_index, 124 boolean_t mark, uint8_t ngathers, 125 uint64_t dma_ioaddr, uint32_t transfer_len); 126 hpi_status_t hpi_txdma_control_stop_wait(hpi_handle_t handle, 127 uint8_t channel); 128 129 hpi_status_t hpi_txdma_desc_set_xfer_len(hpi_handle_t handle, 130 p_tx_desc_t desc_p, uint32_t transfer_len); 131 132 hpi_status_t hpi_txdma_desc_set_zero(hpi_handle_t handle, uint16_t entries); 133 hpi_status_t hpi_txdma_ring_head_get(hpi_handle_t handle, uint8_t channel, 134 tdc_tdr_head_t *hdl_p); 135 void hpi_txdma_dump_desc_one(hpi_handle_t handle, p_tx_desc_t desc_p, 136 int desc_index); 137 138 #ifdef __cplusplus 139 } 140 #endif 141 142 #endif /* _HPI_TXDMA_H */ 143