1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _CXLFLASH_IOCTL_H 20 #define _CXLFLASH_IOCTL_H 21 #include <linux/types.h> 22 #define DK_CXLFLASH_VERSION_0 0 23 struct dk_cxlflash_hdr { 24 __u16 version; 25 __u16 rsvd[3]; 26 __u64 flags; 27 __u64 return_flags; 28 }; 29 #define DK_CXLFLASH_ALL_PORTS_ACTIVE 0x0000000000000001ULL 30 #define DK_CXLFLASH_APP_CLOSE_ADAP_FD 0x0000000000000002ULL 31 #define DK_CXLFLASH_ATTACH_REUSE_CONTEXT 0x8000000000000000ULL 32 struct dk_cxlflash_attach { 33 struct dk_cxlflash_hdr hdr; 34 __u64 num_interrupts; 35 __u64 context_id; 36 __u64 mmio_size; 37 __u64 block_size; 38 __u64 adap_fd; 39 __u64 last_lba; 40 __u64 max_xfer; 41 __u64 reserved[8]; 42 }; 43 struct dk_cxlflash_detach { 44 struct dk_cxlflash_hdr hdr; 45 __u64 context_id; 46 __u64 reserved[8]; 47 }; 48 struct dk_cxlflash_udirect { 49 struct dk_cxlflash_hdr hdr; 50 __u64 context_id; 51 __u64 rsrc_handle; 52 __u64 last_lba; 53 __u64 reserved[8]; 54 }; 55 #define DK_CXLFLASH_UVIRTUAL_NEED_WRITE_SAME 0x8000000000000000ULL 56 struct dk_cxlflash_uvirtual { 57 struct dk_cxlflash_hdr hdr; 58 __u64 context_id; 59 __u64 lun_size; 60 __u64 rsrc_handle; 61 __u64 last_lba; 62 __u64 reserved[8]; 63 }; 64 struct dk_cxlflash_release { 65 struct dk_cxlflash_hdr hdr; 66 __u64 context_id; 67 __u64 rsrc_handle; 68 __u64 reserved[8]; 69 }; 70 struct dk_cxlflash_resize { 71 struct dk_cxlflash_hdr hdr; 72 __u64 context_id; 73 __u64 rsrc_handle; 74 __u64 req_size; 75 __u64 last_lba; 76 __u64 reserved[8]; 77 }; 78 struct dk_cxlflash_clone { 79 struct dk_cxlflash_hdr hdr; 80 __u64 context_id_src; 81 __u64 context_id_dst; 82 __u64 adap_fd_src; 83 __u64 reserved[8]; 84 }; 85 #define DK_CXLFLASH_VERIFY_SENSE_LEN 18 86 #define DK_CXLFLASH_VERIFY_HINT_SENSE 0x8000000000000000ULL 87 struct dk_cxlflash_verify { 88 struct dk_cxlflash_hdr hdr; 89 __u64 context_id; 90 __u64 rsrc_handle; 91 __u64 hint; 92 __u64 last_lba; 93 __u8 sense_data[DK_CXLFLASH_VERIFY_SENSE_LEN]; 94 __u8 pad[6]; 95 __u64 reserved[8]; 96 }; 97 #define DK_CXLFLASH_RECOVER_AFU_CONTEXT_RESET 0x8000000000000000ULL 98 struct dk_cxlflash_recover_afu { 99 struct dk_cxlflash_hdr hdr; 100 __u64 reason; 101 __u64 context_id; 102 __u64 mmio_size; 103 __u64 adap_fd; 104 __u64 reserved[8]; 105 }; 106 #define DK_CXLFLASH_MANAGE_LUN_WWID_LEN 16 107 #define DK_CXLFLASH_MANAGE_LUN_ENABLE_SUPERPIPE 0x8000000000000000ULL 108 #define DK_CXLFLASH_MANAGE_LUN_DISABLE_SUPERPIPE 0x4000000000000000ULL 109 #define DK_CXLFLASH_MANAGE_LUN_ALL_PORTS_ACCESSIBLE 0x2000000000000000ULL 110 struct dk_cxlflash_manage_lun { 111 struct dk_cxlflash_hdr hdr; 112 __u8 wwid[DK_CXLFLASH_MANAGE_LUN_WWID_LEN]; 113 __u64 reserved[8]; 114 }; 115 union cxlflash_ioctls { 116 struct dk_cxlflash_attach attach; 117 struct dk_cxlflash_detach detach; 118 struct dk_cxlflash_udirect udirect; 119 struct dk_cxlflash_uvirtual uvirtual; 120 struct dk_cxlflash_release release; 121 struct dk_cxlflash_resize resize; 122 struct dk_cxlflash_clone clone; 123 struct dk_cxlflash_verify verify; 124 struct dk_cxlflash_recover_afu recover_afu; 125 struct dk_cxlflash_manage_lun manage_lun; 126 }; 127 #define MAX_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ioctls)) 128 #define CXL_MAGIC 0xCA 129 #define CXL_IOWR(_n,_s) _IOWR(CXL_MAGIC, _n, struct _s) 130 #define DK_CXLFLASH_ATTACH CXL_IOWR(0x80, dk_cxlflash_attach) 131 #define DK_CXLFLASH_USER_DIRECT CXL_IOWR(0x81, dk_cxlflash_udirect) 132 #define DK_CXLFLASH_RELEASE CXL_IOWR(0x82, dk_cxlflash_release) 133 #define DK_CXLFLASH_DETACH CXL_IOWR(0x83, dk_cxlflash_detach) 134 #define DK_CXLFLASH_VERIFY CXL_IOWR(0x84, dk_cxlflash_verify) 135 #define DK_CXLFLASH_RECOVER_AFU CXL_IOWR(0x85, dk_cxlflash_recover_afu) 136 #define DK_CXLFLASH_MANAGE_LUN CXL_IOWR(0x86, dk_cxlflash_manage_lun) 137 #define DK_CXLFLASH_USER_VIRTUAL CXL_IOWR(0x87, dk_cxlflash_uvirtual) 138 #define DK_CXLFLASH_VLUN_RESIZE CXL_IOWR(0x88, dk_cxlflash_resize) 139 #define DK_CXLFLASH_VLUN_CLONE CXL_IOWR(0x89, dk_cxlflash_clone) 140 #endif 141