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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | /* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef __CRB_H #define __CRB_H #include <linux/types.h> #include "nx.h" /* CCW 842 CI/FC masks * NX P8 workbook, section 4.3.1, figure 4-6 * "CI/FC Boundary by NX CT type" */ #define CCW_CI_842 (0x00003ff8) #define CCW_FC_842 (0x00000007) /* Chapter 6.5.8 Coprocessor-Completion Block (CCB) */ #define CCB_VALUE (0x3fffffffffffffff) #define CCB_ADDRESS (0xfffffffffffffff8) #define CCB_CM (0x0000000000000007) #define CCB_CM0 (0x0000000000000004) #define CCB_CM12 (0x0000000000000003) #define CCB_CM0_ALL_COMPLETIONS (0x0) #define CCB_CM0_LAST_IN_CHAIN (0x4) #define CCB_CM12_STORE (0x0) #define CCB_CM12_INTERRUPT (0x1) #define CCB_SIZE (0x10) #define CCB_ALIGN CCB_SIZE struct coprocessor_completion_block { __be64 value; __be64 address; } __aligned(CCB_ALIGN); /* Chapter 6.5.7 Coprocessor-Status Block (CSB) */ #define CSB_V (0x80) #define CSB_F (0x04) #define CSB_CH (0x03) #define CSB_CE_INCOMPLETE (0x80) #define CSB_CE_TERMINATION (0x40) #define CSB_CE_TPBC (0x20) #define CSB_CC_SUCCESS (0) #define CSB_CC_INVALID_ALIGN (1) #define CSB_CC_OPERAND_OVERLAP (2) #define CSB_CC_DATA_LENGTH (3) #define CSB_CC_TRANSLATION (5) #define CSB_CC_PROTECTION (6) #define CSB_CC_RD_EXTERNAL (7) #define CSB_CC_INVALID_OPERAND (8) #define CSB_CC_PRIVILEGE (9) #define CSB_CC_INTERNAL (10) #define CSB_CC_WR_EXTERNAL (12) #define CSB_CC_NOSPC (13) #define CSB_CC_EXCESSIVE_DDE (14) #define CSB_CC_WR_TRANSLATION (15) #define CSB_CC_WR_PROTECTION (16) #define CSB_CC_UNKNOWN_CODE (17) #define CSB_CC_ABORT (18) #define CSB_CC_TRANSPORT (20) #define CSB_CC_SEGMENTED_DDL (31) #define CSB_CC_PROGRESS_POINT (32) #define CSB_CC_DDE_OVERFLOW (33) #define CSB_CC_SESSION (34) #define CSB_CC_PROVISION (36) #define CSB_CC_CHAIN (37) #define CSB_CC_SEQUENCE (38) #define CSB_CC_HW (39) #define CSB_SIZE (0x10) #define CSB_ALIGN CSB_SIZE struct coprocessor_status_block { __u8 flags; __u8 cs; __u8 cc; __u8 ce; __be32 count; __be64 address; } __aligned(CSB_ALIGN); /* Chapter 6.5.10 Data-Descriptor List (DDL) * each list contains one or more Data-Descriptor Entries (DDE) */ #define DDE_P (0x8000) #define DDE_SIZE (0x10) #define DDE_ALIGN DDE_SIZE struct data_descriptor_entry { __be16 flags; __u8 count; __u8 index; __be32 length; __be64 address; } __aligned(DDE_ALIGN); /* Chapter 6.5.2 Coprocessor-Request Block (CRB) */ #define CRB_SIZE (0x80) #define CRB_ALIGN (0x100) /* Errata: requires 256 alignment */ /* Coprocessor Status Block field * ADDRESS address of CSB * C CCB is valid * AT 0 = addrs are virtual, 1 = addrs are phys * M enable perf monitor */ #define CRB_CSB_ADDRESS (0xfffffffffffffff0) #define CRB_CSB_C (0x0000000000000008) #define CRB_CSB_AT (0x0000000000000002) #define CRB_CSB_M (0x0000000000000001) struct coprocessor_request_block { __be32 ccw; __be32 flags; __be64 csb_addr; struct data_descriptor_entry source; struct data_descriptor_entry target; struct coprocessor_completion_block ccb; __u8 reserved[48]; struct coprocessor_status_block csb; } __aligned(CRB_ALIGN); #define crb_csb_addr(c) __be64_to_cpu(c->csb_addr) #define crb_nx_fault_addr(c) __be64_to_cpu(c->stamp.nx.fault_storage_addr) #define crb_nx_flags(c) c->stamp.nx.flags #define crb_nx_fault_status(c) c->stamp.nx.fault_status #define crb_nx_pswid(c) c->stamp.nx.pswid /* RFC02167 Initiate Coprocessor Instructions document * Chapter 8.2.1.1.1 RS * Chapter 8.2.3 Coprocessor Directive * Chapter 8.2.4 Execution * * The CCW must be converted to BE before passing to icswx() */ #define CCW_PS (0xff000000) #define CCW_CT (0x00ff0000) #define CCW_CD (0x0000ffff) #define CCW_CL (0x0000c000) #endif |