1 /*- 2 * Copyright (c) 2006 IronPort Systems 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/mfi/mfi_ioctl.h,v 1.9 2009/08/13 23:18:45 scottl Exp $ 27 * FreeBSD projects/head_mfi/ r227612 28 */ 29 30 #include <sys/conf.h> 31 32 #include <sys/bus_dma.h> 33 34 #include <dev/raid/mfi/mfireg.h> 35 36 struct iovec32 { 37 u_int32_t iov_base; 38 int iov_len; 39 }; 40 41 struct megasas_sge 42 { 43 bus_addr_t phys_addr; 44 uint32_t length; 45 }; 46 47 #define MFIQ_FREE 0 48 #define MFIQ_BIO 1 49 #define MFIQ_READY 2 50 #define MFIQ_BUSY 3 51 #define MFIQ_COUNT 4 52 53 struct mfi_qstat { 54 uint32_t q_length; 55 uint32_t q_max; 56 }; 57 58 union mfi_statrequest { 59 uint32_t ms_item; 60 struct mfi_qstat ms_qstat; 61 }; 62 63 #define MAX_SPACE_FOR_SENSE_PTR 32 64 union mfi_sense_ptr { 65 uint8_t sense_ptr_data[MAX_SPACE_FOR_SENSE_PTR]; 66 void *user_space; 67 struct { 68 uint32_t low; 69 uint32_t high; 70 } addr; 71 } __packed; 72 73 #define MAX_IOCTL_SGE 16 74 75 struct mfi_ioc_packet { 76 uint16_t mfi_adapter_no; 77 uint16_t mfi_pad1; 78 uint32_t mfi_sgl_off; 79 uint32_t mfi_sge_count; 80 uint32_t mfi_sense_off; 81 uint32_t mfi_sense_len; 82 union { 83 uint8_t raw[128]; 84 struct mfi_frame_header hdr; 85 } mfi_frame; 86 87 struct iovec mfi_sgl[MAX_IOCTL_SGE]; 88 } __packed; 89 90 struct mfi_ioc_aen { 91 uint16_t aen_adapter_no; 92 uint16_t aen_pad1; 93 uint32_t aen_seq_num; 94 uint32_t aen_class_locale; 95 } __packed; 96 97 #define MFI_CMD _IOWR('M', 1, struct mfi_ioc_packet) 98 #define MFI_SET_AEN _IOW('M', 3, struct mfi_ioc_aen) 99 100 #define MAX_LINUX_IOCTL_SGE 16 101 102 struct mfi_linux_ioc_packet { 103 uint16_t lioc_adapter_no; 104 uint16_t lioc_pad1; 105 uint32_t lioc_sgl_off; 106 uint32_t lioc_sge_count; 107 uint32_t lioc_sense_off; 108 uint32_t lioc_sense_len; 109 union { 110 uint8_t raw[128]; 111 struct mfi_frame_header hdr; 112 } lioc_frame; 113 114 #if defined(__x86_64__) /* Assume amd64 wants 32 bit Linux */ 115 struct iovec32 lioc_sgl[MAX_LINUX_IOCTL_SGE]; 116 #else 117 struct iovec lioc_sgl[MAX_LINUX_IOCTL_SGE]; 118 #endif 119 } __packed; 120 121 struct mfi_ioc_passthru { 122 struct mfi_dcmd_frame ioc_frame; 123 uint32_t buf_size; 124 uint8_t *buf; 125 } __packed; 126 127 #define MFIIO_STATS _IOWR('Q', 101, union mfi_statrequest) 128 #define MFIIO_PASSTHRU _IOWR('C', 102, struct mfi_ioc_passthru) 129 130 struct mfi_linux_ioc_aen { 131 uint16_t laen_adapter_no; 132 uint16_t laen_pad1; 133 uint32_t laen_seq_num; 134 uint32_t laen_class_locale; 135 } __packed; 136 137 struct mfi_query_disk { 138 uint8_t array_id; 139 uint8_t present; 140 uint8_t open; 141 uint8_t reserved; /* reserved for future use */ 142 char devname[SPECNAMELEN + 1]; 143 } __packed; 144 145 #define MFIIO_QUERY_DISK _IOWR('Q', 102, struct mfi_query_disk) 146 147 /* 148 * Create a second set so the FreeBSD native ioctl doesn't 149 * conflict in FreeBSD ioctl handler. Translate in mfi_linux.c. 150 */ 151 #define MFI_LINUX_CMD 0xc1144d01 152 #define MFI_LINUX_SET_AEN 0x400c4d03 153 #define MFI_LINUX_CMD_2 0xc1144d02 154 #define MFI_LINUX_SET_AEN_2 0x400c4d04 155