1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _CXLFLASH_IOCTL_H 7 #define _CXLFLASH_IOCTL_H 8 #include <linux/types.h> 9 #define CXLFLASH_WWID_LEN 16 10 #define DK_CXLFLASH_VERSION_0 0 11 struct dk_cxlflash_hdr { 12 __u16 version; 13 __u16 rsvd[3]; 14 __u64 flags; 15 __u64 return_flags; 16 }; 17 #define DK_CXLFLASH_ALL_PORTS_ACTIVE 0x0000000000000001ULL 18 #define DK_CXLFLASH_APP_CLOSE_ADAP_FD 0x0000000000000002ULL 19 #define DK_CXLFLASH_CONTEXT_SQ_CMD_MODE 0x0000000000000004ULL 20 #define DK_CXLFLASH_ATTACH_REUSE_CONTEXT 0x8000000000000000ULL 21 struct dk_cxlflash_attach { 22 struct dk_cxlflash_hdr hdr; 23 __u64 num_interrupts; 24 __u64 context_id; 25 __u64 mmio_size; 26 __u64 block_size; 27 __u64 adap_fd; 28 __u64 last_lba; 29 __u64 max_xfer; 30 __u64 reserved[8]; 31 }; 32 struct dk_cxlflash_detach { 33 struct dk_cxlflash_hdr hdr; 34 __u64 context_id; 35 __u64 reserved[8]; 36 }; 37 struct dk_cxlflash_udirect { 38 struct dk_cxlflash_hdr hdr; 39 __u64 context_id; 40 __u64 rsrc_handle; 41 __u64 last_lba; 42 __u64 reserved[8]; 43 }; 44 #define DK_CXLFLASH_UVIRTUAL_NEED_WRITE_SAME 0x8000000000000000ULL 45 struct dk_cxlflash_uvirtual { 46 struct dk_cxlflash_hdr hdr; 47 __u64 context_id; 48 __u64 lun_size; 49 __u64 rsrc_handle; 50 __u64 last_lba; 51 __u64 reserved[8]; 52 }; 53 struct dk_cxlflash_release { 54 struct dk_cxlflash_hdr hdr; 55 __u64 context_id; 56 __u64 rsrc_handle; 57 __u64 reserved[8]; 58 }; 59 struct dk_cxlflash_resize { 60 struct dk_cxlflash_hdr hdr; 61 __u64 context_id; 62 __u64 rsrc_handle; 63 __u64 req_size; 64 __u64 last_lba; 65 __u64 reserved[8]; 66 }; 67 struct dk_cxlflash_clone { 68 struct dk_cxlflash_hdr hdr; 69 __u64 context_id_src; 70 __u64 context_id_dst; 71 __u64 adap_fd_src; 72 __u64 reserved[8]; 73 }; 74 #define DK_CXLFLASH_VERIFY_SENSE_LEN 18 75 #define DK_CXLFLASH_VERIFY_HINT_SENSE 0x8000000000000000ULL 76 struct dk_cxlflash_verify { 77 struct dk_cxlflash_hdr hdr; 78 __u64 context_id; 79 __u64 rsrc_handle; 80 __u64 hint; 81 __u64 last_lba; 82 __u8 sense_data[DK_CXLFLASH_VERIFY_SENSE_LEN]; 83 __u8 pad[6]; 84 __u64 reserved[8]; 85 }; 86 #define DK_CXLFLASH_RECOVER_AFU_CONTEXT_RESET 0x8000000000000000ULL 87 struct dk_cxlflash_recover_afu { 88 struct dk_cxlflash_hdr hdr; 89 __u64 reason; 90 __u64 context_id; 91 __u64 mmio_size; 92 __u64 adap_fd; 93 __u64 reserved[8]; 94 }; 95 #define DK_CXLFLASH_MANAGE_LUN_WWID_LEN CXLFLASH_WWID_LEN 96 #define DK_CXLFLASH_MANAGE_LUN_ENABLE_SUPERPIPE 0x8000000000000000ULL 97 #define DK_CXLFLASH_MANAGE_LUN_DISABLE_SUPERPIPE 0x4000000000000000ULL 98 #define DK_CXLFLASH_MANAGE_LUN_ALL_PORTS_ACCESSIBLE 0x2000000000000000ULL 99 struct dk_cxlflash_manage_lun { 100 struct dk_cxlflash_hdr hdr; 101 __u8 wwid[DK_CXLFLASH_MANAGE_LUN_WWID_LEN]; 102 __u64 reserved[8]; 103 }; 104 union cxlflash_ioctls { 105 struct dk_cxlflash_attach attach; 106 struct dk_cxlflash_detach detach; 107 struct dk_cxlflash_udirect udirect; 108 struct dk_cxlflash_uvirtual uvirtual; 109 struct dk_cxlflash_release release; 110 struct dk_cxlflash_resize resize; 111 struct dk_cxlflash_clone clone; 112 struct dk_cxlflash_verify verify; 113 struct dk_cxlflash_recover_afu recover_afu; 114 struct dk_cxlflash_manage_lun manage_lun; 115 }; 116 #define MAX_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ioctls)) 117 #define CXL_MAGIC 0xCA 118 #define CXL_IOWR(_n, _s) _IOWR(CXL_MAGIC, _n, struct _s) 119 #define DK_CXLFLASH_ATTACH CXL_IOWR(0x80, dk_cxlflash_attach) 120 #define DK_CXLFLASH_USER_DIRECT CXL_IOWR(0x81, dk_cxlflash_udirect) 121 #define DK_CXLFLASH_RELEASE CXL_IOWR(0x82, dk_cxlflash_release) 122 #define DK_CXLFLASH_DETACH CXL_IOWR(0x83, dk_cxlflash_detach) 123 #define DK_CXLFLASH_VERIFY CXL_IOWR(0x84, dk_cxlflash_verify) 124 #define DK_CXLFLASH_RECOVER_AFU CXL_IOWR(0x85, dk_cxlflash_recover_afu) 125 #define DK_CXLFLASH_MANAGE_LUN CXL_IOWR(0x86, dk_cxlflash_manage_lun) 126 #define DK_CXLFLASH_USER_VIRTUAL CXL_IOWR(0x87, dk_cxlflash_uvirtual) 127 #define DK_CXLFLASH_VLUN_RESIZE CXL_IOWR(0x88, dk_cxlflash_resize) 128 #define DK_CXLFLASH_VLUN_CLONE CXL_IOWR(0x89, dk_cxlflash_clone) 129 #define HT_CXLFLASH_VERSION_0 0 130 struct ht_cxlflash_hdr { 131 __u16 version; 132 __u16 subcmd; 133 __u16 rsvd[2]; 134 __u64 flags; 135 __u64 return_flags; 136 }; 137 #define HT_CXLFLASH_HOST_READ 0x0000000000000000ULL 138 #define HT_CXLFLASH_HOST_WRITE 0x0000000000000001ULL 139 #define HT_CXLFLASH_LUN_PROVISION_SUBCMD_CREATE_LUN 0x0001 140 #define HT_CXLFLASH_LUN_PROVISION_SUBCMD_DELETE_LUN 0x0002 141 #define HT_CXLFLASH_LUN_PROVISION_SUBCMD_QUERY_PORT 0x0003 142 struct ht_cxlflash_lun_provision { 143 struct ht_cxlflash_hdr hdr; 144 __u16 port; 145 __u16 reserved16[3]; 146 __u64 size; 147 __u64 lun_id; 148 __u8 wwid[CXLFLASH_WWID_LEN]; 149 __u64 max_num_luns; 150 __u64 cur_num_luns; 151 __u64 max_cap_port; 152 __u64 cur_cap_port; 153 __u64 reserved[8]; 154 }; 155 #define HT_CXLFLASH_AFU_DEBUG_MAX_DATA_LEN 262144 156 #define HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN 12 157 struct ht_cxlflash_afu_debug { 158 struct ht_cxlflash_hdr hdr; 159 __u8 reserved8[4]; 160 __u8 afu_subcmd[HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN]; 161 __u64 data_ea; 162 __u32 data_len; 163 __u32 reserved32; 164 __u64 reserved[8]; 165 }; 166 union cxlflash_ht_ioctls { 167 struct ht_cxlflash_lun_provision lun_provision; 168 struct ht_cxlflash_afu_debug afu_debug; 169 }; 170 #define MAX_HT_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ht_ioctls)) 171 #define HT_CXLFLASH_LUN_PROVISION CXL_IOWR(0xBF, ht_cxlflash_lun_provision) 172 #define HT_CXLFLASH_AFU_DEBUG CXL_IOWR(0xBE, ht_cxlflash_afu_debug) 173 #endif 174