1 /* 2 * QEMU PowerPC XIVE2 internal structure definitions (POWER10) 3 * 4 * Copyright (c) 2019-2022, IBM Corporation. 5 * 6 * This code is licensed under the GPL version 2 or later. See the 7 * COPYING file in the top-level directory. 8 */ 9 10 #ifndef PPC_XIVE2_REGS_H 11 #define PPC_XIVE2_REGS_H 12 13 #include "qemu/bswap.h" 14 15 /* 16 * Thread Interrupt Management Area (TIMA) 17 * 18 * In Gen1 mode (P9 compat mode) word 2 is the same. However in Gen2 19 * mode (P10), the CAM line is slightly different as the VP space was 20 * increased. 21 */ 22 #define TM2_QW0W2_VU PPC_BIT32(0) 23 #define TM2_QW0W2_LOGIC_SERV PPC_BITMASK32(4, 31) 24 #define TM2_QW1W2_VO PPC_BIT32(0) 25 #define TM2_QW1W2_HO PPC_BIT32(1) 26 #define TM2_QW1W2_OS_CAM PPC_BITMASK32(4, 31) 27 #define TM2_QW2W2_VP PPC_BIT32(0) 28 #define TM2_QW2W2_HP PPC_BIT32(1) 29 #define TM2_QW2W2_POOL_CAM PPC_BITMASK32(4, 31) 30 #define TM2_QW3W2_VT PPC_BIT32(0) 31 #define TM2_QW3W2_HT PPC_BIT32(1) 32 #define TM2_QW3W2_LP PPC_BIT32(6) 33 #define TM2_QW3W2_LE PPC_BIT32(7) 34 35 /* 36 * Event Assignment Structure (EAS) 37 */ 38 39 typedef struct Xive2Eas { 40 uint64_t w; 41 #define EAS2_VALID PPC_BIT(0) 42 #define EAS2_END_BLOCK PPC_BITMASK(4, 7) /* Destination EQ block# */ 43 #define EAS2_END_INDEX PPC_BITMASK(8, 31) /* Destination EQ index */ 44 #define EAS2_MASKED PPC_BIT(32) /* Masked */ 45 #define EAS2_END_DATA PPC_BITMASK(33, 63) /* written to the EQ */ 46 } Xive2Eas; 47 48 #define xive2_eas_is_valid(eas) (be64_to_cpu((eas)->w) & EAS2_VALID) 49 #define xive2_eas_is_masked(eas) (be64_to_cpu((eas)->w) & EAS2_MASKED) 50 51 void xive2_eas_pic_print_info(Xive2Eas *eas, uint32_t lisn, GString *buf); 52 53 /* 54 * Event Notifification Descriptor (END) 55 */ 56 57 typedef struct Xive2End { 58 uint32_t w0; 59 #define END2_W0_VALID PPC_BIT32(0) /* "v" bit */ 60 #define END2_W0_ENQUEUE PPC_BIT32(5) /* "q" bit */ 61 #define END2_W0_UCOND_NOTIFY PPC_BIT32(6) /* "n" bit */ 62 #define END2_W0_SILENT_ESCALATE PPC_BIT32(7) /* "s" bit */ 63 #define END2_W0_BACKLOG PPC_BIT32(8) /* "b" bit */ 64 #define END2_W0_PRECL_ESC_CTL PPC_BIT32(9) /* "p" bit */ 65 #define END2_W0_UNCOND_ESCALATE PPC_BIT32(10) /* "u" bit */ 66 #define END2_W0_ESCALATE_CTL PPC_BIT32(11) /* "e" bit */ 67 #define END2_W0_ADAPTIVE_ESC PPC_BIT32(12) /* "a" bit */ 68 #define END2_W0_ESCALATE_END PPC_BIT32(13) /* "N" bit */ 69 #define END2_W0_FIRMWARE1 PPC_BIT32(16) /* Owned by FW */ 70 #define END2_W0_FIRMWARE2 PPC_BIT32(17) /* Owned by FW */ 71 #define END2_W0_AEC_SIZE PPC_BITMASK32(18, 19) 72 #define END2_W0_AEG_SIZE PPC_BITMASK32(20, 23) 73 #define END2_W0_EQ_VG_PREDICT PPC_BITMASK32(24, 31) /* Owned by HW */ 74 uint32_t w1; 75 #define END2_W1_ESn PPC_BITMASK32(0, 1) 76 #define END2_W1_ESn_P PPC_BIT32(0) 77 #define END2_W1_ESn_Q PPC_BIT32(1) 78 #define END2_W1_ESe PPC_BITMASK32(2, 3) 79 #define END2_W1_ESe_P PPC_BIT32(2) 80 #define END2_W1_ESe_Q PPC_BIT32(3) 81 #define END2_W1_GEN_FLIPPED PPC_BIT32(8) 82 #define END2_W1_GENERATION PPC_BIT32(9) 83 #define END2_W1_PAGE_OFF PPC_BITMASK32(10, 31) 84 uint32_t w2; 85 #define END2_W2_RESERVED PPC_BITMASK32(4, 7) 86 #define END2_W2_EQ_ADDR_HI PPC_BITMASK32(8, 31) 87 uint32_t w3; 88 #define END2_W3_EQ_ADDR_LO PPC_BITMASK32(0, 24) 89 #define END2_W3_QSIZE PPC_BITMASK32(28, 31) 90 uint32_t w4; 91 #define END2_W4_END_BLOCK PPC_BITMASK32(4, 7) 92 #define END2_W4_ESC_END_INDEX PPC_BITMASK32(8, 31) 93 #define END2_W4_ESB_BLOCK PPC_BITMASK32(0, 3) 94 #define END2_W4_ESC_ESB_INDEX PPC_BITMASK32(4, 31) 95 uint32_t w5; 96 #define END2_W5_ESC_END_DATA PPC_BITMASK32(1, 31) 97 uint32_t w6; 98 #define END2_W6_FORMAT_BIT PPC_BIT32(0) 99 #define END2_W6_IGNORE PPC_BIT32(1) 100 #define END2_W6_VP_BLOCK PPC_BITMASK32(4, 7) 101 #define END2_W6_VP_OFFSET PPC_BITMASK32(8, 31) 102 #define END2_W6_VP_OFFSET_GEN1 PPC_BITMASK32(13, 31) 103 uint32_t w7; 104 #define END2_W7_TOPO PPC_BITMASK32(0, 3) /* Owned by HW */ 105 #define END2_W7_F0_PRIORITY PPC_BITMASK32(8, 15) 106 #define END2_W7_F1_LOG_SERVER_ID PPC_BITMASK32(4, 31) 107 } Xive2End; 108 109 #define xive2_end_is_valid(end) (be32_to_cpu((end)->w0) & END2_W0_VALID) 110 #define xive2_end_is_enqueue(end) (be32_to_cpu((end)->w0) & END2_W0_ENQUEUE) 111 #define xive2_end_is_notify(end) \ 112 (be32_to_cpu((end)->w0) & END2_W0_UCOND_NOTIFY) 113 #define xive2_end_is_backlog(end) (be32_to_cpu((end)->w0) & END2_W0_BACKLOG) 114 #define xive2_end_is_escalate(end) \ 115 (be32_to_cpu((end)->w0) & END2_W0_ESCALATE_CTL) 116 #define xive2_end_is_uncond_escalation(end) \ 117 (be32_to_cpu((end)->w0) & END2_W0_UNCOND_ESCALATE) 118 #define xive2_end_is_silent_escalation(end) \ 119 (be32_to_cpu((end)->w0) & END2_W0_SILENT_ESCALATE) 120 #define xive2_end_is_escalate_end(end) \ 121 (be32_to_cpu((end)->w0) & END2_W0_ESCALATE_END) 122 #define xive2_end_is_firmware1(end) \ 123 (be32_to_cpu((end)->w0) & END2_W0_FIRMWARE1) 124 #define xive2_end_is_firmware2(end) \ 125 (be32_to_cpu((end)->w0) & END2_W0_FIRMWARE2) 126 127 static inline uint64_t xive2_end_qaddr(Xive2End *end) 128 { 129 return ((uint64_t) be32_to_cpu(end->w2) & END2_W2_EQ_ADDR_HI) << 32 | 130 (be32_to_cpu(end->w3) & END2_W3_EQ_ADDR_LO); 131 } 132 133 void xive2_end_pic_print_info(Xive2End *end, uint32_t end_idx, GString *buf); 134 void xive2_end_queue_pic_print_info(Xive2End *end, uint32_t width, 135 GString *buf); 136 void xive2_end_eas_pic_print_info(Xive2End *end, uint32_t end_idx, 137 GString *buf); 138 139 /* 140 * Notification Virtual Processor (NVP) 141 */ 142 typedef struct Xive2Nvp { 143 uint32_t w0; 144 #define NVP2_W0_VALID PPC_BIT32(0) 145 #define NVP2_W0_HW PPC_BIT32(7) 146 #define NVP2_W0_ESC_END PPC_BIT32(25) /* 'N' bit 0:ESB 1:END */ 147 uint32_t w1; 148 #define NVP2_W1_CO PPC_BIT32(13) 149 #define NVP2_W1_CO_PRIV PPC_BITMASK32(14, 15) 150 #define NVP2_W1_CO_THRID_VALID PPC_BIT32(16) 151 #define NVP2_W1_CO_THRID PPC_BITMASK32(17, 31) 152 uint32_t w2; 153 #define NVP2_W2_CPPR PPC_BITMASK32(0, 7) 154 #define NVP2_W2_IPB PPC_BITMASK32(8, 15) 155 #define NVP2_W2_LSMFB PPC_BITMASK32(16, 23) 156 uint32_t w3; 157 uint32_t w4; 158 #define NVP2_W4_ESC_ESB_BLOCK PPC_BITMASK32(0, 3) /* N:0 */ 159 #define NVP2_W4_ESC_ESB_INDEX PPC_BITMASK32(4, 31) /* N:0 */ 160 #define NVP2_W4_ESC_END_BLOCK PPC_BITMASK32(4, 7) /* N:1 */ 161 #define NVP2_W4_ESC_END_INDEX PPC_BITMASK32(8, 31) /* N:1 */ 162 uint32_t w5; 163 #define NVP2_W5_PSIZE PPC_BITMASK32(0, 1) 164 #define NVP2_W5_VP_END_BLOCK PPC_BITMASK32(4, 7) 165 #define NVP2_W5_VP_END_INDEX PPC_BITMASK32(8, 31) 166 uint32_t w6; 167 uint32_t w7; 168 } Xive2Nvp; 169 170 #define xive2_nvp_is_valid(nvp) (be32_to_cpu((nvp)->w0) & NVP2_W0_VALID) 171 #define xive2_nvp_is_hw(nvp) (be32_to_cpu((nvp)->w0) & NVP2_W0_HW) 172 #define xive2_nvp_is_co(nvp) (be32_to_cpu((nvp)->w1) & NVP2_W1_CO) 173 174 /* 175 * The VP number space in a block is defined by the END2_W6_VP_OFFSET 176 * field of the XIVE END. When running in Gen1 mode (P9 compat mode), 177 * the VP space is reduced to (1 << 19) VPs per block 178 */ 179 #define XIVE2_NVP_SHIFT 24 180 #define XIVE2_NVP_COUNT (1 << XIVE2_NVP_SHIFT) 181 182 static inline uint32_t xive2_nvp_cam_line(uint8_t nvp_blk, uint32_t nvp_idx) 183 { 184 return (nvp_blk << XIVE2_NVP_SHIFT) | nvp_idx; 185 } 186 187 static inline uint32_t xive2_nvp_idx(uint32_t cam_line) 188 { 189 return cam_line & ((1 << XIVE2_NVP_SHIFT) - 1); 190 } 191 192 static inline uint32_t xive2_nvp_blk(uint32_t cam_line) 193 { 194 return (cam_line >> XIVE2_NVP_SHIFT) & 0xf; 195 } 196 197 /* 198 * Notification Virtual Group or Crowd (NVG/NVC) 199 */ 200 typedef struct Xive2Nvgc { 201 uint32_t w0; 202 #define NVGC2_W0_VALID PPC_BIT32(0) 203 uint32_t w1; 204 uint32_t w2; 205 uint32_t w3; 206 uint32_t w4; 207 uint32_t w5; 208 uint32_t w6; 209 uint32_t w7; 210 } Xive2Nvgc; 211 212 #endif /* PPC_XIVE2_REGS_H */ 213