1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2019 HiSilicon Limited. */ 3 #include <linux/acpi.h> 4 #include <linux/bitops.h> 5 #include <linux/debugfs.h> 6 #include <linux/init.h> 7 #include <linux/io.h> 8 #include <linux/kernel.h> 9 #include <linux/module.h> 10 #include <linux/pci.h> 11 #include <linux/pm_runtime.h> 12 #include <linux/seq_file.h> 13 #include <linux/topology.h> 14 #include <linux/uacce.h> 15 #include "zip.h" 16 17 #define PCI_DEVICE_ID_HUAWEI_ZIP_PF 0xa250 18 19 #define HZIP_QUEUE_NUM_V1 4096 20 21 #define HZIP_CLOCK_GATE_CTRL 0x301004 22 #define HZIP_DECOMP_CHECK_ENABLE BIT(16) 23 #define HZIP_FSM_MAX_CNT 0x301008 24 25 #define HZIP_PORT_ARCA_CHE_0 0x301040 26 #define HZIP_PORT_ARCA_CHE_1 0x301044 27 #define HZIP_PORT_AWCA_CHE_0 0x301060 28 #define HZIP_PORT_AWCA_CHE_1 0x301064 29 #define HZIP_CACHE_ALL_EN 0xffffffff 30 31 #define HZIP_BD_RUSER_32_63 0x301110 32 #define HZIP_SGL_RUSER_32_63 0x30111c 33 #define HZIP_DATA_RUSER_32_63 0x301128 34 #define HZIP_DATA_WUSER_32_63 0x301134 35 #define HZIP_BD_WUSER_32_63 0x301140 36 37 #define HZIP_QM_IDEL_STATUS 0x3040e4 38 39 #define HZIP_CORE_DFX_BASE 0x301000 40 #define HZIP_CLOCK_GATED_CONTL 0X301004 41 #define HZIP_CORE_DFX_COMP_0 0x302000 42 #define HZIP_CORE_DFX_COMP_1 0x303000 43 #define HZIP_CORE_DFX_DECOMP_0 0x304000 44 #define HZIP_CORE_DFX_DECOMP_1 0x305000 45 #define HZIP_CORE_DFX_DECOMP_2 0x306000 46 #define HZIP_CORE_DFX_DECOMP_3 0x307000 47 #define HZIP_CORE_DFX_DECOMP_4 0x308000 48 #define HZIP_CORE_DFX_DECOMP_5 0x309000 49 #define HZIP_CORE_REGS_BASE_LEN 0xB0 50 #define HZIP_CORE_REGS_DFX_LEN 0x28 51 52 #define HZIP_CORE_INT_SOURCE 0x3010A0 53 #define HZIP_CORE_INT_MASK_REG 0x3010A4 54 #define HZIP_CORE_INT_SET 0x3010A8 55 #define HZIP_CORE_INT_STATUS 0x3010AC 56 #define HZIP_CORE_INT_STATUS_M_ECC BIT(1) 57 #define HZIP_CORE_SRAM_ECC_ERR_INFO 0x301148 58 #define HZIP_CORE_INT_RAS_CE_ENB 0x301160 59 #define HZIP_CORE_INT_RAS_NFE_ENB 0x301164 60 #define HZIP_CORE_INT_RAS_FE_ENB 0x301168 61 #define HZIP_CORE_INT_RAS_FE_ENB_MASK 0x0 62 #define HZIP_OOO_SHUTDOWN_SEL 0x30120C 63 #define HZIP_SRAM_ECC_ERR_NUM_SHIFT 16 64 #define HZIP_SRAM_ECC_ERR_ADDR_SHIFT 24 65 #define HZIP_CORE_INT_MASK_ALL GENMASK(12, 0) 66 #define HZIP_SQE_SIZE 128 67 #define HZIP_PF_DEF_Q_NUM 64 68 #define HZIP_PF_DEF_Q_BASE 0 69 #define HZIP_CTX_Q_NUM_DEF 2 70 71 #define HZIP_SOFT_CTRL_CNT_CLR_CE 0x301000 72 #define HZIP_SOFT_CTRL_CNT_CLR_CE_BIT BIT(0) 73 #define HZIP_SOFT_CTRL_ZIP_CONTROL 0x30100C 74 #define HZIP_AXI_SHUTDOWN_ENABLE BIT(14) 75 #define HZIP_WR_PORT BIT(11) 76 77 #define HZIP_ALG_ZLIB_BIT GENMASK(1, 0) 78 #define HZIP_ALG_GZIP_BIT GENMASK(3, 2) 79 #define HZIP_ALG_DEFLATE_BIT GENMASK(5, 4) 80 #define HZIP_ALG_LZ77_BIT GENMASK(7, 6) 81 82 #define HZIP_BUF_SIZE 22 83 #define HZIP_SQE_MASK_OFFSET 64 84 #define HZIP_SQE_MASK_LEN 48 85 86 #define HZIP_CNT_CLR_CE_EN BIT(0) 87 #define HZIP_RO_CNT_CLR_CE_EN BIT(2) 88 #define HZIP_RD_CNT_CLR_CE_EN (HZIP_CNT_CLR_CE_EN | \ 89 HZIP_RO_CNT_CLR_CE_EN) 90 91 #define HZIP_PREFETCH_CFG 0x3011B0 92 #define HZIP_SVA_TRANS 0x3011C4 93 #define HZIP_PREFETCH_ENABLE (~(BIT(26) | BIT(17) | BIT(0))) 94 #define HZIP_SVA_PREFETCH_DISABLE BIT(26) 95 #define HZIP_SVA_DISABLE_READY (BIT(26) | BIT(30)) 96 #define HZIP_SHAPER_RATE_COMPRESS 750 97 #define HZIP_SHAPER_RATE_DECOMPRESS 140 98 #define HZIP_DELAY_1_US 1 99 #define HZIP_POLL_TIMEOUT_US 1000 100 101 /* clock gating */ 102 #define HZIP_PEH_CFG_AUTO_GATE 0x3011A8 103 #define HZIP_PEH_CFG_AUTO_GATE_EN BIT(0) 104 #define HZIP_CORE_GATED_EN GENMASK(15, 8) 105 #define HZIP_CORE_GATED_OOO_EN BIT(29) 106 #define HZIP_CLOCK_GATED_EN (HZIP_CORE_GATED_EN | \ 107 HZIP_CORE_GATED_OOO_EN) 108 109 /* zip comp high performance */ 110 #define HZIP_HIGH_PERF_OFFSET 0x301208 111 112 enum { 113 HZIP_HIGH_COMP_RATE, 114 HZIP_HIGH_COMP_PERF, 115 }; 116 117 static const char hisi_zip_name[] = "hisi_zip"; 118 static struct dentry *hzip_debugfs_root; 119 120 struct hisi_zip_hw_error { 121 u32 int_msk; 122 const char *msg; 123 }; 124 125 struct zip_dfx_item { 126 const char *name; 127 u32 offset; 128 }; 129 130 static const struct qm_dev_alg zip_dev_algs[] = { { 131 .alg_msk = HZIP_ALG_ZLIB_BIT, 132 .alg = "zlib\n", 133 }, { 134 .alg_msk = HZIP_ALG_GZIP_BIT, 135 .alg = "gzip\n", 136 }, { 137 .alg_msk = HZIP_ALG_DEFLATE_BIT, 138 .alg = "deflate\n", 139 }, { 140 .alg_msk = HZIP_ALG_LZ77_BIT, 141 .alg = "lz77_zstd\n", 142 }, 143 }; 144 145 static struct hisi_qm_list zip_devices = { 146 .register_to_crypto = hisi_zip_register_to_crypto, 147 .unregister_from_crypto = hisi_zip_unregister_from_crypto, 148 }; 149 150 static struct zip_dfx_item zip_dfx_files[] = { 151 {"send_cnt", offsetof(struct hisi_zip_dfx, send_cnt)}, 152 {"recv_cnt", offsetof(struct hisi_zip_dfx, recv_cnt)}, 153 {"send_busy_cnt", offsetof(struct hisi_zip_dfx, send_busy_cnt)}, 154 {"err_bd_cnt", offsetof(struct hisi_zip_dfx, err_bd_cnt)}, 155 }; 156 157 static const struct hisi_zip_hw_error zip_hw_error[] = { 158 { .int_msk = BIT(0), .msg = "zip_ecc_1bitt_err" }, 159 { .int_msk = BIT(1), .msg = "zip_ecc_2bit_err" }, 160 { .int_msk = BIT(2), .msg = "zip_axi_rresp_err" }, 161 { .int_msk = BIT(3), .msg = "zip_axi_bresp_err" }, 162 { .int_msk = BIT(4), .msg = "zip_src_addr_parse_err" }, 163 { .int_msk = BIT(5), .msg = "zip_dst_addr_parse_err" }, 164 { .int_msk = BIT(6), .msg = "zip_pre_in_addr_err" }, 165 { .int_msk = BIT(7), .msg = "zip_pre_in_data_err" }, 166 { .int_msk = BIT(8), .msg = "zip_com_inf_err" }, 167 { .int_msk = BIT(9), .msg = "zip_enc_inf_err" }, 168 { .int_msk = BIT(10), .msg = "zip_pre_out_err" }, 169 { .int_msk = BIT(11), .msg = "zip_axi_poison_err" }, 170 { .int_msk = BIT(12), .msg = "zip_sva_err" }, 171 { /* sentinel */ } 172 }; 173 174 enum ctrl_debug_file_index { 175 HZIP_CLEAR_ENABLE, 176 HZIP_DEBUG_FILE_NUM, 177 }; 178 179 static const char * const ctrl_debug_file_name[] = { 180 [HZIP_CLEAR_ENABLE] = "clear_enable", 181 }; 182 183 struct ctrl_debug_file { 184 enum ctrl_debug_file_index index; 185 spinlock_t lock; 186 struct hisi_zip_ctrl *ctrl; 187 }; 188 189 /* 190 * One ZIP controller has one PF and multiple VFs, some global configurations 191 * which PF has need this structure. 192 * 193 * Just relevant for PF. 194 */ 195 struct hisi_zip_ctrl { 196 struct hisi_zip *hisi_zip; 197 struct ctrl_debug_file files[HZIP_DEBUG_FILE_NUM]; 198 }; 199 200 enum zip_cap_type { 201 ZIP_QM_NFE_MASK_CAP = 0x0, 202 ZIP_QM_RESET_MASK_CAP, 203 ZIP_QM_OOO_SHUTDOWN_MASK_CAP, 204 ZIP_QM_CE_MASK_CAP, 205 ZIP_NFE_MASK_CAP, 206 ZIP_RESET_MASK_CAP, 207 ZIP_OOO_SHUTDOWN_MASK_CAP, 208 ZIP_CE_MASK_CAP, 209 ZIP_CLUSTER_NUM_CAP, 210 ZIP_CORE_TYPE_NUM_CAP, 211 ZIP_CORE_NUM_CAP, 212 ZIP_CLUSTER_COMP_NUM_CAP, 213 ZIP_CLUSTER_DECOMP_NUM_CAP, 214 ZIP_DECOMP_ENABLE_BITMAP, 215 ZIP_COMP_ENABLE_BITMAP, 216 ZIP_DRV_ALG_BITMAP, 217 ZIP_DEV_ALG_BITMAP, 218 ZIP_CORE1_ALG_BITMAP, 219 ZIP_CORE2_ALG_BITMAP, 220 ZIP_CORE3_ALG_BITMAP, 221 ZIP_CORE4_ALG_BITMAP, 222 ZIP_CORE5_ALG_BITMAP, 223 ZIP_CAP_MAX 224 }; 225 226 static struct hisi_qm_cap_info zip_basic_cap_info[] = { 227 {ZIP_QM_NFE_MASK_CAP, 0x3124, 0, GENMASK(31, 0), 0x0, 0x1C57, 0x7C77}, 228 {ZIP_QM_RESET_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0xC57, 0x6C77}, 229 {ZIP_QM_OOO_SHUTDOWN_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0x4, 0x6C77}, 230 {ZIP_QM_CE_MASK_CAP, 0x312C, 0, GENMASK(31, 0), 0x0, 0x8, 0x8}, 231 {ZIP_NFE_MASK_CAP, 0x3130, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x1FFE}, 232 {ZIP_RESET_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x7FE}, 233 {ZIP_OOO_SHUTDOWN_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x2, 0x7FE}, 234 {ZIP_CE_MASK_CAP, 0x3138, 0, GENMASK(31, 0), 0x0, 0x1, 0x1}, 235 {ZIP_CLUSTER_NUM_CAP, 0x313C, 28, GENMASK(3, 0), 0x1, 0x1, 0x1}, 236 {ZIP_CORE_TYPE_NUM_CAP, 0x313C, 24, GENMASK(3, 0), 0x2, 0x2, 0x2}, 237 {ZIP_CORE_NUM_CAP, 0x313C, 16, GENMASK(7, 0), 0x8, 0x8, 0x5}, 238 {ZIP_CLUSTER_COMP_NUM_CAP, 0x313C, 8, GENMASK(7, 0), 0x2, 0x2, 0x2}, 239 {ZIP_CLUSTER_DECOMP_NUM_CAP, 0x313C, 0, GENMASK(7, 0), 0x6, 0x6, 0x3}, 240 {ZIP_DECOMP_ENABLE_BITMAP, 0x3140, 16, GENMASK(15, 0), 0xFC, 0xFC, 0x1C}, 241 {ZIP_COMP_ENABLE_BITMAP, 0x3140, 0, GENMASK(15, 0), 0x3, 0x3, 0x3}, 242 {ZIP_DRV_ALG_BITMAP, 0x3144, 0, GENMASK(31, 0), 0x0, 0x0, 0x30}, 243 {ZIP_DEV_ALG_BITMAP, 0x3148, 0, GENMASK(31, 0), 0xF, 0xF, 0x3F}, 244 {ZIP_CORE1_ALG_BITMAP, 0x314C, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5}, 245 {ZIP_CORE2_ALG_BITMAP, 0x3150, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5}, 246 {ZIP_CORE3_ALG_BITMAP, 0x3154, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, 247 {ZIP_CORE4_ALG_BITMAP, 0x3158, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, 248 {ZIP_CORE5_ALG_BITMAP, 0x315C, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, 249 {ZIP_CAP_MAX, 0x317c, 0, GENMASK(0, 0), 0x0, 0x0, 0x0} 250 }; 251 252 enum zip_pre_store_cap_idx { 253 ZIP_CORE_NUM_CAP_IDX = 0x0, 254 ZIP_CLUSTER_COMP_NUM_CAP_IDX, 255 ZIP_CLUSTER_DECOMP_NUM_CAP_IDX, 256 ZIP_DECOMP_ENABLE_BITMAP_IDX, 257 ZIP_COMP_ENABLE_BITMAP_IDX, 258 ZIP_DRV_ALG_BITMAP_IDX, 259 ZIP_DEV_ALG_BITMAP_IDX, 260 }; 261 262 static const u32 zip_pre_store_caps[] = { 263 ZIP_CORE_NUM_CAP, 264 ZIP_CLUSTER_COMP_NUM_CAP, 265 ZIP_CLUSTER_DECOMP_NUM_CAP, 266 ZIP_DECOMP_ENABLE_BITMAP, 267 ZIP_COMP_ENABLE_BITMAP, 268 ZIP_DRV_ALG_BITMAP, 269 ZIP_DEV_ALG_BITMAP, 270 }; 271 272 enum { 273 HZIP_COMP_CORE0, 274 HZIP_COMP_CORE1, 275 HZIP_DECOMP_CORE0, 276 HZIP_DECOMP_CORE1, 277 HZIP_DECOMP_CORE2, 278 HZIP_DECOMP_CORE3, 279 HZIP_DECOMP_CORE4, 280 HZIP_DECOMP_CORE5, 281 }; 282 283 static const u64 core_offsets[] = { 284 [HZIP_COMP_CORE0] = 0x302000, 285 [HZIP_COMP_CORE1] = 0x303000, 286 [HZIP_DECOMP_CORE0] = 0x304000, 287 [HZIP_DECOMP_CORE1] = 0x305000, 288 [HZIP_DECOMP_CORE2] = 0x306000, 289 [HZIP_DECOMP_CORE3] = 0x307000, 290 [HZIP_DECOMP_CORE4] = 0x308000, 291 [HZIP_DECOMP_CORE5] = 0x309000, 292 }; 293 294 static const struct debugfs_reg32 hzip_dfx_regs[] = { 295 {"HZIP_GET_BD_NUM ", 0x00}, 296 {"HZIP_GET_RIGHT_BD ", 0x04}, 297 {"HZIP_GET_ERROR_BD ", 0x08}, 298 {"HZIP_DONE_BD_NUM ", 0x0c}, 299 {"HZIP_WORK_CYCLE ", 0x10}, 300 {"HZIP_IDLE_CYCLE ", 0x18}, 301 {"HZIP_MAX_DELAY ", 0x20}, 302 {"HZIP_MIN_DELAY ", 0x24}, 303 {"HZIP_AVG_DELAY ", 0x28}, 304 {"HZIP_MEM_VISIBLE_DATA ", 0x30}, 305 {"HZIP_MEM_VISIBLE_ADDR ", 0x34}, 306 {"HZIP_CONSUMED_BYTE ", 0x38}, 307 {"HZIP_PRODUCED_BYTE ", 0x40}, 308 {"HZIP_COMP_INF ", 0x70}, 309 {"HZIP_PRE_OUT ", 0x78}, 310 {"HZIP_BD_RD ", 0x7c}, 311 {"HZIP_BD_WR ", 0x80}, 312 {"HZIP_GET_BD_AXI_ERR_NUM ", 0x84}, 313 {"HZIP_GET_BD_PARSE_ERR_NUM ", 0x88}, 314 {"HZIP_ADD_BD_AXI_ERR_NUM ", 0x8c}, 315 {"HZIP_DECOMP_STF_RELOAD_CURR_ST ", 0x94}, 316 {"HZIP_DECOMP_LZ77_CURR_ST ", 0x9c}, 317 }; 318 319 static const struct debugfs_reg32 hzip_com_dfx_regs[] = { 320 {"HZIP_CLOCK_GATE_CTRL ", 0x301004}, 321 {"HZIP_CORE_INT_RAS_CE_ENB ", 0x301160}, 322 {"HZIP_CORE_INT_RAS_NFE_ENB ", 0x301164}, 323 {"HZIP_CORE_INT_RAS_FE_ENB ", 0x301168}, 324 {"HZIP_UNCOM_ERR_RAS_CTRL ", 0x30116C}, 325 }; 326 327 static const struct debugfs_reg32 hzip_dump_dfx_regs[] = { 328 {"HZIP_GET_BD_NUM ", 0x00}, 329 {"HZIP_GET_RIGHT_BD ", 0x04}, 330 {"HZIP_GET_ERROR_BD ", 0x08}, 331 {"HZIP_DONE_BD_NUM ", 0x0c}, 332 {"HZIP_MAX_DELAY ", 0x20}, 333 }; 334 335 /* define the ZIP's dfx regs region and region length */ 336 static struct dfx_diff_registers hzip_diff_regs[] = { 337 { 338 .reg_offset = HZIP_CORE_DFX_BASE, 339 .reg_len = HZIP_CORE_REGS_BASE_LEN, 340 }, { 341 .reg_offset = HZIP_CORE_DFX_COMP_0, 342 .reg_len = HZIP_CORE_REGS_DFX_LEN, 343 }, { 344 .reg_offset = HZIP_CORE_DFX_COMP_1, 345 .reg_len = HZIP_CORE_REGS_DFX_LEN, 346 }, { 347 .reg_offset = HZIP_CORE_DFX_DECOMP_0, 348 .reg_len = HZIP_CORE_REGS_DFX_LEN, 349 }, { 350 .reg_offset = HZIP_CORE_DFX_DECOMP_1, 351 .reg_len = HZIP_CORE_REGS_DFX_LEN, 352 }, { 353 .reg_offset = HZIP_CORE_DFX_DECOMP_2, 354 .reg_len = HZIP_CORE_REGS_DFX_LEN, 355 }, { 356 .reg_offset = HZIP_CORE_DFX_DECOMP_3, 357 .reg_len = HZIP_CORE_REGS_DFX_LEN, 358 }, { 359 .reg_offset = HZIP_CORE_DFX_DECOMP_4, 360 .reg_len = HZIP_CORE_REGS_DFX_LEN, 361 }, { 362 .reg_offset = HZIP_CORE_DFX_DECOMP_5, 363 .reg_len = HZIP_CORE_REGS_DFX_LEN, 364 }, 365 }; 366 367 static int hzip_diff_regs_show(struct seq_file *s, void *unused) 368 { 369 struct hisi_qm *qm = s->private; 370 371 hisi_qm_acc_diff_regs_dump(qm, s, qm->debug.acc_diff_regs, 372 ARRAY_SIZE(hzip_diff_regs)); 373 374 return 0; 375 } 376 DEFINE_SHOW_ATTRIBUTE(hzip_diff_regs); 377 378 static int perf_mode_set(const char *val, const struct kernel_param *kp) 379 { 380 int ret; 381 u32 n; 382 383 if (!val) 384 return -EINVAL; 385 386 ret = kstrtou32(val, 10, &n); 387 if (ret != 0 || (n != HZIP_HIGH_COMP_PERF && 388 n != HZIP_HIGH_COMP_RATE)) 389 return -EINVAL; 390 391 return param_set_int(val, kp); 392 } 393 394 static const struct kernel_param_ops zip_com_perf_ops = { 395 .set = perf_mode_set, 396 .get = param_get_int, 397 }; 398 399 /* 400 * perf_mode = 0 means enable high compression rate mode, 401 * perf_mode = 1 means enable high compression performance mode. 402 * These two modes only apply to the compression direction. 403 */ 404 static u32 perf_mode = HZIP_HIGH_COMP_RATE; 405 module_param_cb(perf_mode, &zip_com_perf_ops, &perf_mode, 0444); 406 MODULE_PARM_DESC(perf_mode, "ZIP high perf mode 0(default), 1(enable)"); 407 408 static const struct kernel_param_ops zip_uacce_mode_ops = { 409 .set = uacce_mode_set, 410 .get = param_get_int, 411 }; 412 413 /* 414 * uacce_mode = 0 means zip only register to crypto, 415 * uacce_mode = 1 means zip both register to crypto and uacce. 416 */ 417 static u32 uacce_mode = UACCE_MODE_NOUACCE; 418 module_param_cb(uacce_mode, &zip_uacce_mode_ops, &uacce_mode, 0444); 419 MODULE_PARM_DESC(uacce_mode, UACCE_MODE_DESC); 420 421 static bool pf_q_num_flag; 422 static int pf_q_num_set(const char *val, const struct kernel_param *kp) 423 { 424 pf_q_num_flag = true; 425 426 return q_num_set(val, kp, PCI_DEVICE_ID_HUAWEI_ZIP_PF); 427 } 428 429 static const struct kernel_param_ops pf_q_num_ops = { 430 .set = pf_q_num_set, 431 .get = param_get_int, 432 }; 433 434 static u32 pf_q_num = HZIP_PF_DEF_Q_NUM; 435 module_param_cb(pf_q_num, &pf_q_num_ops, &pf_q_num, 0444); 436 MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 2-4096, v2 2-1024)"); 437 438 static const struct kernel_param_ops vfs_num_ops = { 439 .set = vfs_num_set, 440 .get = param_get_int, 441 }; 442 443 static u32 vfs_num; 444 module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444); 445 MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)"); 446 447 static const struct pci_device_id hisi_zip_dev_ids[] = { 448 { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_PF) }, 449 { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_VF) }, 450 { 0, } 451 }; 452 MODULE_DEVICE_TABLE(pci, hisi_zip_dev_ids); 453 454 int zip_create_qps(struct hisi_qp **qps, int qp_num, int node) 455 { 456 if (node == NUMA_NO_NODE) 457 node = cpu_to_node(smp_processor_id()); 458 459 return hisi_qm_alloc_qps_node(&zip_devices, qp_num, 0, node, qps); 460 } 461 462 bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg) 463 { 464 u32 cap_val; 465 466 cap_val = qm->cap_tables.dev_cap_table[ZIP_DRV_ALG_BITMAP_IDX].cap_val; 467 if ((alg & cap_val) == alg) 468 return true; 469 470 return false; 471 } 472 473 static int hisi_zip_set_high_perf(struct hisi_qm *qm) 474 { 475 u32 val; 476 int ret; 477 478 val = readl_relaxed(qm->io_base + HZIP_HIGH_PERF_OFFSET); 479 if (perf_mode == HZIP_HIGH_COMP_PERF) 480 val |= HZIP_HIGH_COMP_PERF; 481 else 482 val &= ~HZIP_HIGH_COMP_PERF; 483 484 /* Set perf mode */ 485 writel(val, qm->io_base + HZIP_HIGH_PERF_OFFSET); 486 ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_HIGH_PERF_OFFSET, 487 val, val == perf_mode, HZIP_DELAY_1_US, 488 HZIP_POLL_TIMEOUT_US); 489 if (ret) 490 pci_err(qm->pdev, "failed to set perf mode\n"); 491 492 return ret; 493 } 494 495 static void hisi_zip_open_sva_prefetch(struct hisi_qm *qm) 496 { 497 u32 val; 498 int ret; 499 500 if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) 501 return; 502 503 /* Enable prefetch */ 504 val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG); 505 val &= HZIP_PREFETCH_ENABLE; 506 writel(val, qm->io_base + HZIP_PREFETCH_CFG); 507 508 ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_PREFETCH_CFG, 509 val, !(val & HZIP_SVA_PREFETCH_DISABLE), 510 HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US); 511 if (ret) 512 pci_err(qm->pdev, "failed to open sva prefetch\n"); 513 } 514 515 static void hisi_zip_close_sva_prefetch(struct hisi_qm *qm) 516 { 517 u32 val; 518 int ret; 519 520 if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) 521 return; 522 523 val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG); 524 val |= HZIP_SVA_PREFETCH_DISABLE; 525 writel(val, qm->io_base + HZIP_PREFETCH_CFG); 526 527 ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_SVA_TRANS, 528 val, !(val & HZIP_SVA_DISABLE_READY), 529 HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US); 530 if (ret) 531 pci_err(qm->pdev, "failed to close sva prefetch\n"); 532 } 533 534 static void hisi_zip_enable_clock_gate(struct hisi_qm *qm) 535 { 536 u32 val; 537 538 if (qm->ver < QM_HW_V3) 539 return; 540 541 val = readl(qm->io_base + HZIP_CLOCK_GATE_CTRL); 542 val |= HZIP_CLOCK_GATED_EN; 543 writel(val, qm->io_base + HZIP_CLOCK_GATE_CTRL); 544 545 val = readl(qm->io_base + HZIP_PEH_CFG_AUTO_GATE); 546 val |= HZIP_PEH_CFG_AUTO_GATE_EN; 547 writel(val, qm->io_base + HZIP_PEH_CFG_AUTO_GATE); 548 } 549 550 static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm) 551 { 552 void __iomem *base = qm->io_base; 553 u32 dcomp_bm, comp_bm; 554 555 /* qm user domain */ 556 writel(AXUSER_BASE, base + QM_ARUSER_M_CFG_1); 557 writel(ARUSER_M_CFG_ENABLE, base + QM_ARUSER_M_CFG_ENABLE); 558 writel(AXUSER_BASE, base + QM_AWUSER_M_CFG_1); 559 writel(AWUSER_M_CFG_ENABLE, base + QM_AWUSER_M_CFG_ENABLE); 560 writel(WUSER_M_CFG_ENABLE, base + QM_WUSER_M_CFG_ENABLE); 561 562 /* qm cache */ 563 writel(AXI_M_CFG, base + QM_AXI_M_CFG); 564 writel(AXI_M_CFG_ENABLE, base + QM_AXI_M_CFG_ENABLE); 565 566 /* disable FLR triggered by BME(bus master enable) */ 567 writel(PEH_AXUSER_CFG, base + QM_PEH_AXUSER_CFG); 568 writel(PEH_AXUSER_CFG_ENABLE, base + QM_PEH_AXUSER_CFG_ENABLE); 569 570 /* cache */ 571 writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_0); 572 writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_1); 573 writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_0); 574 writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_1); 575 576 /* user domain configurations */ 577 writel(AXUSER_BASE, base + HZIP_BD_RUSER_32_63); 578 writel(AXUSER_BASE, base + HZIP_BD_WUSER_32_63); 579 580 if (qm->use_sva && qm->ver == QM_HW_V2) { 581 writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_RUSER_32_63); 582 writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_WUSER_32_63); 583 writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_SGL_RUSER_32_63); 584 } else { 585 writel(AXUSER_BASE, base + HZIP_DATA_RUSER_32_63); 586 writel(AXUSER_BASE, base + HZIP_DATA_WUSER_32_63); 587 writel(AXUSER_BASE, base + HZIP_SGL_RUSER_32_63); 588 } 589 590 /* let's open all compression/decompression cores */ 591 dcomp_bm = qm->cap_tables.dev_cap_table[ZIP_DECOMP_ENABLE_BITMAP_IDX].cap_val; 592 comp_bm = qm->cap_tables.dev_cap_table[ZIP_COMP_ENABLE_BITMAP_IDX].cap_val; 593 writel(HZIP_DECOMP_CHECK_ENABLE | dcomp_bm | comp_bm, base + HZIP_CLOCK_GATE_CTRL); 594 595 /* enable sqc,cqc writeback */ 596 writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE | 597 CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) | 598 FIELD_PREP(CQC_CACHE_WB_THRD, 1), base + QM_CACHE_CTL); 599 600 hisi_zip_enable_clock_gate(qm); 601 602 return 0; 603 } 604 605 static void hisi_zip_master_ooo_ctrl(struct hisi_qm *qm, bool enable) 606 { 607 u32 val1, val2; 608 609 val1 = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); 610 if (enable) { 611 val1 |= HZIP_AXI_SHUTDOWN_ENABLE; 612 val2 = hisi_qm_get_hw_info(qm, zip_basic_cap_info, 613 ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); 614 } else { 615 val1 &= ~HZIP_AXI_SHUTDOWN_ENABLE; 616 val2 = 0x0; 617 } 618 619 if (qm->ver > QM_HW_V2) 620 writel(val2, qm->io_base + HZIP_OOO_SHUTDOWN_SEL); 621 622 writel(val1, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); 623 } 624 625 static void hisi_zip_hw_error_enable(struct hisi_qm *qm) 626 { 627 u32 nfe, ce; 628 629 if (qm->ver == QM_HW_V1) { 630 writel(HZIP_CORE_INT_MASK_ALL, 631 qm->io_base + HZIP_CORE_INT_MASK_REG); 632 dev_info(&qm->pdev->dev, "Does not support hw error handle\n"); 633 return; 634 } 635 636 nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); 637 ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver); 638 639 /* clear ZIP hw error source if having */ 640 writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_SOURCE); 641 642 /* configure error type */ 643 writel(ce, qm->io_base + HZIP_CORE_INT_RAS_CE_ENB); 644 writel(HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_RAS_FE_ENB); 645 writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); 646 647 hisi_zip_master_ooo_ctrl(qm, true); 648 649 /* enable ZIP hw error interrupts */ 650 writel(0, qm->io_base + HZIP_CORE_INT_MASK_REG); 651 } 652 653 static void hisi_zip_hw_error_disable(struct hisi_qm *qm) 654 { 655 u32 nfe, ce; 656 657 /* disable ZIP hw error interrupts */ 658 nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); 659 ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver); 660 writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_MASK_REG); 661 662 hisi_zip_master_ooo_ctrl(qm, false); 663 } 664 665 static inline struct hisi_qm *file_to_qm(struct ctrl_debug_file *file) 666 { 667 struct hisi_zip *hisi_zip = file->ctrl->hisi_zip; 668 669 return &hisi_zip->qm; 670 } 671 672 static u32 clear_enable_read(struct hisi_qm *qm) 673 { 674 return readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) & 675 HZIP_SOFT_CTRL_CNT_CLR_CE_BIT; 676 } 677 678 static int clear_enable_write(struct hisi_qm *qm, u32 val) 679 { 680 u32 tmp; 681 682 if (val != 1 && val != 0) 683 return -EINVAL; 684 685 tmp = (readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) & 686 ~HZIP_SOFT_CTRL_CNT_CLR_CE_BIT) | val; 687 writel(tmp, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); 688 689 return 0; 690 } 691 692 static ssize_t hisi_zip_ctrl_debug_read(struct file *filp, char __user *buf, 693 size_t count, loff_t *pos) 694 { 695 struct ctrl_debug_file *file = filp->private_data; 696 struct hisi_qm *qm = file_to_qm(file); 697 char tbuf[HZIP_BUF_SIZE]; 698 u32 val; 699 int ret; 700 701 ret = hisi_qm_get_dfx_access(qm); 702 if (ret) 703 return ret; 704 705 spin_lock_irq(&file->lock); 706 switch (file->index) { 707 case HZIP_CLEAR_ENABLE: 708 val = clear_enable_read(qm); 709 break; 710 default: 711 goto err_input; 712 } 713 spin_unlock_irq(&file->lock); 714 715 hisi_qm_put_dfx_access(qm); 716 ret = scnprintf(tbuf, sizeof(tbuf), "%u\n", val); 717 return simple_read_from_buffer(buf, count, pos, tbuf, ret); 718 719 err_input: 720 spin_unlock_irq(&file->lock); 721 hisi_qm_put_dfx_access(qm); 722 return -EINVAL; 723 } 724 725 static ssize_t hisi_zip_ctrl_debug_write(struct file *filp, 726 const char __user *buf, 727 size_t count, loff_t *pos) 728 { 729 struct ctrl_debug_file *file = filp->private_data; 730 struct hisi_qm *qm = file_to_qm(file); 731 char tbuf[HZIP_BUF_SIZE]; 732 unsigned long val; 733 int len, ret; 734 735 if (*pos != 0) 736 return 0; 737 738 if (count >= HZIP_BUF_SIZE) 739 return -ENOSPC; 740 741 len = simple_write_to_buffer(tbuf, HZIP_BUF_SIZE - 1, pos, buf, count); 742 if (len < 0) 743 return len; 744 745 tbuf[len] = '\0'; 746 ret = kstrtoul(tbuf, 0, &val); 747 if (ret) 748 return ret; 749 750 ret = hisi_qm_get_dfx_access(qm); 751 if (ret) 752 return ret; 753 754 spin_lock_irq(&file->lock); 755 switch (file->index) { 756 case HZIP_CLEAR_ENABLE: 757 ret = clear_enable_write(qm, val); 758 if (ret) 759 goto err_input; 760 break; 761 default: 762 ret = -EINVAL; 763 goto err_input; 764 } 765 766 ret = count; 767 768 err_input: 769 spin_unlock_irq(&file->lock); 770 hisi_qm_put_dfx_access(qm); 771 return ret; 772 } 773 774 static const struct file_operations ctrl_debug_fops = { 775 .owner = THIS_MODULE, 776 .open = simple_open, 777 .read = hisi_zip_ctrl_debug_read, 778 .write = hisi_zip_ctrl_debug_write, 779 }; 780 781 static int zip_debugfs_atomic64_set(void *data, u64 val) 782 { 783 if (val) 784 return -EINVAL; 785 786 atomic64_set((atomic64_t *)data, 0); 787 788 return 0; 789 } 790 791 static int zip_debugfs_atomic64_get(void *data, u64 *val) 792 { 793 *val = atomic64_read((atomic64_t *)data); 794 795 return 0; 796 } 797 798 DEFINE_DEBUGFS_ATTRIBUTE(zip_atomic64_ops, zip_debugfs_atomic64_get, 799 zip_debugfs_atomic64_set, "%llu\n"); 800 801 static int hisi_zip_regs_show(struct seq_file *s, void *unused) 802 { 803 hisi_qm_regs_dump(s, s->private); 804 805 return 0; 806 } 807 808 DEFINE_SHOW_ATTRIBUTE(hisi_zip_regs); 809 810 static int hisi_zip_core_debug_init(struct hisi_qm *qm) 811 { 812 u32 zip_core_num, zip_comp_core_num; 813 struct device *dev = &qm->pdev->dev; 814 struct debugfs_regset32 *regset; 815 struct dentry *tmp_d; 816 char buf[HZIP_BUF_SIZE]; 817 int i; 818 819 zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; 820 zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val; 821 822 for (i = 0; i < zip_core_num; i++) { 823 if (i < zip_comp_core_num) 824 scnprintf(buf, sizeof(buf), "comp_core%d", i); 825 else 826 scnprintf(buf, sizeof(buf), "decomp_core%d", 827 i - zip_comp_core_num); 828 829 regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL); 830 if (!regset) 831 return -ENOENT; 832 833 regset->regs = hzip_dfx_regs; 834 regset->nregs = ARRAY_SIZE(hzip_dfx_regs); 835 regset->base = qm->io_base + core_offsets[i]; 836 regset->dev = dev; 837 838 tmp_d = debugfs_create_dir(buf, qm->debug.debug_root); 839 debugfs_create_file("regs", 0444, tmp_d, regset, 840 &hisi_zip_regs_fops); 841 } 842 843 return 0; 844 } 845 846 static void hisi_zip_dfx_debug_init(struct hisi_qm *qm) 847 { 848 struct dfx_diff_registers *hzip_regs = qm->debug.acc_diff_regs; 849 struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm); 850 struct hisi_zip_dfx *dfx = &zip->dfx; 851 struct dentry *tmp_dir; 852 void *data; 853 int i; 854 855 tmp_dir = debugfs_create_dir("zip_dfx", qm->debug.debug_root); 856 for (i = 0; i < ARRAY_SIZE(zip_dfx_files); i++) { 857 data = (atomic64_t *)((uintptr_t)dfx + zip_dfx_files[i].offset); 858 debugfs_create_file(zip_dfx_files[i].name, 859 0644, tmp_dir, data, 860 &zip_atomic64_ops); 861 } 862 863 if (qm->fun_type == QM_HW_PF && hzip_regs) 864 debugfs_create_file("diff_regs", 0444, tmp_dir, 865 qm, &hzip_diff_regs_fops); 866 } 867 868 static int hisi_zip_ctrl_debug_init(struct hisi_qm *qm) 869 { 870 struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm); 871 int i; 872 873 for (i = HZIP_CLEAR_ENABLE; i < HZIP_DEBUG_FILE_NUM; i++) { 874 spin_lock_init(&zip->ctrl->files[i].lock); 875 zip->ctrl->files[i].ctrl = zip->ctrl; 876 zip->ctrl->files[i].index = i; 877 878 debugfs_create_file(ctrl_debug_file_name[i], 0600, 879 qm->debug.debug_root, 880 zip->ctrl->files + i, 881 &ctrl_debug_fops); 882 } 883 884 return hisi_zip_core_debug_init(qm); 885 } 886 887 static int hisi_zip_debugfs_init(struct hisi_qm *qm) 888 { 889 struct device *dev = &qm->pdev->dev; 890 struct dentry *dev_d; 891 int ret; 892 893 dev_d = debugfs_create_dir(dev_name(dev), hzip_debugfs_root); 894 895 qm->debug.sqe_mask_offset = HZIP_SQE_MASK_OFFSET; 896 qm->debug.sqe_mask_len = HZIP_SQE_MASK_LEN; 897 qm->debug.debug_root = dev_d; 898 ret = hisi_qm_regs_debugfs_init(qm, hzip_diff_regs, ARRAY_SIZE(hzip_diff_regs)); 899 if (ret) { 900 dev_warn(dev, "Failed to init ZIP diff regs!\n"); 901 goto debugfs_remove; 902 } 903 904 hisi_qm_debug_init(qm); 905 906 if (qm->fun_type == QM_HW_PF) { 907 ret = hisi_zip_ctrl_debug_init(qm); 908 if (ret) 909 goto failed_to_create; 910 } 911 912 hisi_zip_dfx_debug_init(qm); 913 914 return 0; 915 916 failed_to_create: 917 hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs)); 918 debugfs_remove: 919 debugfs_remove_recursive(hzip_debugfs_root); 920 return ret; 921 } 922 923 /* hisi_zip_debug_regs_clear() - clear the zip debug regs */ 924 static void hisi_zip_debug_regs_clear(struct hisi_qm *qm) 925 { 926 int i, j; 927 928 /* enable register read_clear bit */ 929 writel(HZIP_RD_CNT_CLR_CE_EN, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); 930 for (i = 0; i < ARRAY_SIZE(core_offsets); i++) 931 for (j = 0; j < ARRAY_SIZE(hzip_dfx_regs); j++) 932 readl(qm->io_base + core_offsets[i] + 933 hzip_dfx_regs[j].offset); 934 935 /* disable register read_clear bit */ 936 writel(0x0, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); 937 938 hisi_qm_debug_regs_clear(qm); 939 } 940 941 static void hisi_zip_debugfs_exit(struct hisi_qm *qm) 942 { 943 hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs)); 944 945 debugfs_remove_recursive(qm->debug.debug_root); 946 947 if (qm->fun_type == QM_HW_PF) { 948 hisi_zip_debug_regs_clear(qm); 949 qm->debug.curr_qm_qp_num = 0; 950 } 951 } 952 953 static int hisi_zip_show_last_regs_init(struct hisi_qm *qm) 954 { 955 int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs); 956 int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs); 957 struct qm_debug *debug = &qm->debug; 958 void __iomem *io_base; 959 u32 zip_core_num; 960 int i, j, idx; 961 962 zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; 963 964 debug->last_words = kcalloc(core_dfx_regs_num * zip_core_num + com_dfx_regs_num, 965 sizeof(unsigned int), GFP_KERNEL); 966 if (!debug->last_words) 967 return -ENOMEM; 968 969 for (i = 0; i < com_dfx_regs_num; i++) { 970 io_base = qm->io_base + hzip_com_dfx_regs[i].offset; 971 debug->last_words[i] = readl_relaxed(io_base); 972 } 973 974 for (i = 0; i < zip_core_num; i++) { 975 io_base = qm->io_base + core_offsets[i]; 976 for (j = 0; j < core_dfx_regs_num; j++) { 977 idx = com_dfx_regs_num + i * core_dfx_regs_num + j; 978 debug->last_words[idx] = readl_relaxed( 979 io_base + hzip_dump_dfx_regs[j].offset); 980 } 981 } 982 983 return 0; 984 } 985 986 static void hisi_zip_show_last_regs_uninit(struct hisi_qm *qm) 987 { 988 struct qm_debug *debug = &qm->debug; 989 990 if (qm->fun_type == QM_HW_VF || !debug->last_words) 991 return; 992 993 kfree(debug->last_words); 994 debug->last_words = NULL; 995 } 996 997 static void hisi_zip_show_last_dfx_regs(struct hisi_qm *qm) 998 { 999 int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs); 1000 int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs); 1001 u32 zip_core_num, zip_comp_core_num; 1002 struct qm_debug *debug = &qm->debug; 1003 char buf[HZIP_BUF_SIZE]; 1004 void __iomem *base; 1005 int i, j, idx; 1006 u32 val; 1007 1008 if (qm->fun_type == QM_HW_VF || !debug->last_words) 1009 return; 1010 1011 for (i = 0; i < com_dfx_regs_num; i++) { 1012 val = readl_relaxed(qm->io_base + hzip_com_dfx_regs[i].offset); 1013 if (debug->last_words[i] != val) 1014 pci_info(qm->pdev, "com_dfx: %s \t= 0x%08x => 0x%08x\n", 1015 hzip_com_dfx_regs[i].name, debug->last_words[i], val); 1016 } 1017 1018 zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; 1019 zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val; 1020 1021 for (i = 0; i < zip_core_num; i++) { 1022 if (i < zip_comp_core_num) 1023 scnprintf(buf, sizeof(buf), "Comp_core-%d", i); 1024 else 1025 scnprintf(buf, sizeof(buf), "Decomp_core-%d", 1026 i - zip_comp_core_num); 1027 base = qm->io_base + core_offsets[i]; 1028 1029 pci_info(qm->pdev, "==>%s:\n", buf); 1030 /* dump last word for dfx regs during control resetting */ 1031 for (j = 0; j < core_dfx_regs_num; j++) { 1032 idx = com_dfx_regs_num + i * core_dfx_regs_num + j; 1033 val = readl_relaxed(base + hzip_dump_dfx_regs[j].offset); 1034 if (debug->last_words[idx] != val) 1035 pci_info(qm->pdev, "%s \t= 0x%08x => 0x%08x\n", 1036 hzip_dump_dfx_regs[j].name, 1037 debug->last_words[idx], val); 1038 } 1039 } 1040 } 1041 1042 static void hisi_zip_log_hw_error(struct hisi_qm *qm, u32 err_sts) 1043 { 1044 const struct hisi_zip_hw_error *err = zip_hw_error; 1045 struct device *dev = &qm->pdev->dev; 1046 u32 err_val; 1047 1048 while (err->msg) { 1049 if (err->int_msk & err_sts) { 1050 dev_err(dev, "%s [error status=0x%x] found\n", 1051 err->msg, err->int_msk); 1052 1053 if (err->int_msk & HZIP_CORE_INT_STATUS_M_ECC) { 1054 err_val = readl(qm->io_base + 1055 HZIP_CORE_SRAM_ECC_ERR_INFO); 1056 dev_err(dev, "hisi-zip multi ecc sram num=0x%x\n", 1057 ((err_val >> 1058 HZIP_SRAM_ECC_ERR_NUM_SHIFT) & 0xFF)); 1059 } 1060 } 1061 err++; 1062 } 1063 } 1064 1065 static u32 hisi_zip_get_hw_err_status(struct hisi_qm *qm) 1066 { 1067 return readl(qm->io_base + HZIP_CORE_INT_STATUS); 1068 } 1069 1070 static void hisi_zip_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts) 1071 { 1072 u32 nfe; 1073 1074 writel(err_sts, qm->io_base + HZIP_CORE_INT_SOURCE); 1075 nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); 1076 writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); 1077 } 1078 1079 static void hisi_zip_open_axi_master_ooo(struct hisi_qm *qm) 1080 { 1081 u32 val; 1082 1083 val = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); 1084 1085 writel(val & ~HZIP_AXI_SHUTDOWN_ENABLE, 1086 qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); 1087 1088 writel(val | HZIP_AXI_SHUTDOWN_ENABLE, 1089 qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); 1090 } 1091 1092 static void hisi_zip_close_axi_master_ooo(struct hisi_qm *qm) 1093 { 1094 u32 nfe_enb; 1095 1096 /* Disable ECC Mbit error report. */ 1097 nfe_enb = readl(qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); 1098 writel(nfe_enb & ~HZIP_CORE_INT_STATUS_M_ECC, 1099 qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); 1100 1101 /* Inject zip ECC Mbit error to block master ooo. */ 1102 writel(HZIP_CORE_INT_STATUS_M_ECC, 1103 qm->io_base + HZIP_CORE_INT_SET); 1104 } 1105 1106 static void hisi_zip_err_info_init(struct hisi_qm *qm) 1107 { 1108 struct hisi_qm_err_info *err_info = &qm->err_info; 1109 1110 err_info->fe = HZIP_CORE_INT_RAS_FE_ENB_MASK; 1111 err_info->ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_QM_CE_MASK_CAP, qm->cap_ver); 1112 err_info->nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, 1113 ZIP_QM_NFE_MASK_CAP, qm->cap_ver); 1114 err_info->ecc_2bits_mask = HZIP_CORE_INT_STATUS_M_ECC; 1115 err_info->qm_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, 1116 ZIP_QM_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); 1117 err_info->dev_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, 1118 ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); 1119 err_info->qm_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, 1120 ZIP_QM_RESET_MASK_CAP, qm->cap_ver); 1121 err_info->dev_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, 1122 ZIP_RESET_MASK_CAP, qm->cap_ver); 1123 err_info->msi_wr_port = HZIP_WR_PORT; 1124 err_info->acpi_rst = "ZRST"; 1125 } 1126 1127 static const struct hisi_qm_err_ini hisi_zip_err_ini = { 1128 .hw_init = hisi_zip_set_user_domain_and_cache, 1129 .hw_err_enable = hisi_zip_hw_error_enable, 1130 .hw_err_disable = hisi_zip_hw_error_disable, 1131 .get_dev_hw_err_status = hisi_zip_get_hw_err_status, 1132 .clear_dev_hw_err_status = hisi_zip_clear_hw_err_status, 1133 .log_dev_hw_err = hisi_zip_log_hw_error, 1134 .open_axi_master_ooo = hisi_zip_open_axi_master_ooo, 1135 .close_axi_master_ooo = hisi_zip_close_axi_master_ooo, 1136 .open_sva_prefetch = hisi_zip_open_sva_prefetch, 1137 .close_sva_prefetch = hisi_zip_close_sva_prefetch, 1138 .show_last_dfx_regs = hisi_zip_show_last_dfx_regs, 1139 .err_info_init = hisi_zip_err_info_init, 1140 }; 1141 1142 static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip) 1143 { 1144 struct hisi_qm *qm = &hisi_zip->qm; 1145 struct hisi_zip_ctrl *ctrl; 1146 int ret; 1147 1148 ctrl = devm_kzalloc(&qm->pdev->dev, sizeof(*ctrl), GFP_KERNEL); 1149 if (!ctrl) 1150 return -ENOMEM; 1151 1152 hisi_zip->ctrl = ctrl; 1153 ctrl->hisi_zip = hisi_zip; 1154 qm->err_ini = &hisi_zip_err_ini; 1155 qm->err_ini->err_info_init(qm); 1156 1157 ret = hisi_zip_set_user_domain_and_cache(qm); 1158 if (ret) 1159 return ret; 1160 1161 ret = hisi_zip_set_high_perf(qm); 1162 if (ret) 1163 return ret; 1164 1165 hisi_zip_open_sva_prefetch(qm); 1166 hisi_qm_dev_err_init(qm); 1167 hisi_zip_debug_regs_clear(qm); 1168 1169 ret = hisi_zip_show_last_regs_init(qm); 1170 if (ret) 1171 pci_err(qm->pdev, "Failed to init last word regs!\n"); 1172 1173 return ret; 1174 } 1175 1176 static int zip_pre_store_cap_reg(struct hisi_qm *qm) 1177 { 1178 struct hisi_qm_cap_record *zip_cap; 1179 struct pci_dev *pdev = qm->pdev; 1180 size_t i, size; 1181 1182 size = ARRAY_SIZE(zip_pre_store_caps); 1183 zip_cap = devm_kzalloc(&pdev->dev, sizeof(*zip_cap) * size, GFP_KERNEL); 1184 if (!zip_cap) 1185 return -ENOMEM; 1186 1187 for (i = 0; i < size; i++) { 1188 zip_cap[i].type = zip_pre_store_caps[i]; 1189 zip_cap[i].cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info, 1190 zip_pre_store_caps[i], qm->cap_ver); 1191 } 1192 1193 qm->cap_tables.dev_cap_table = zip_cap; 1194 1195 return 0; 1196 } 1197 1198 static int hisi_zip_qm_init(struct hisi_qm *qm, struct pci_dev *pdev) 1199 { 1200 u64 alg_msk; 1201 int ret; 1202 1203 qm->pdev = pdev; 1204 qm->ver = pdev->revision; 1205 qm->mode = uacce_mode; 1206 qm->sqe_size = HZIP_SQE_SIZE; 1207 qm->dev_name = hisi_zip_name; 1208 1209 qm->fun_type = (pdev->device == PCI_DEVICE_ID_HUAWEI_ZIP_PF) ? 1210 QM_HW_PF : QM_HW_VF; 1211 if (qm->fun_type == QM_HW_PF) { 1212 qm->qp_base = HZIP_PF_DEF_Q_BASE; 1213 qm->qp_num = pf_q_num; 1214 qm->debug.curr_qm_qp_num = pf_q_num; 1215 qm->qm_list = &zip_devices; 1216 if (pf_q_num_flag) 1217 set_bit(QM_MODULE_PARAM, &qm->misc_ctl); 1218 } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V1) { 1219 /* 1220 * have no way to get qm configure in VM in v1 hardware, 1221 * so currently force PF to uses HZIP_PF_DEF_Q_NUM, and force 1222 * to trigger only one VF in v1 hardware. 1223 * 1224 * v2 hardware has no such problem. 1225 */ 1226 qm->qp_base = HZIP_PF_DEF_Q_NUM; 1227 qm->qp_num = HZIP_QUEUE_NUM_V1 - HZIP_PF_DEF_Q_NUM; 1228 } 1229 1230 ret = hisi_qm_init(qm); 1231 if (ret) { 1232 pci_err(qm->pdev, "Failed to init zip qm configures!\n"); 1233 return ret; 1234 } 1235 1236 /* Fetch and save the value of capability registers */ 1237 ret = zip_pre_store_cap_reg(qm); 1238 if (ret) { 1239 pci_err(qm->pdev, "Failed to pre-store capability registers!\n"); 1240 hisi_qm_uninit(qm); 1241 return ret; 1242 } 1243 1244 alg_msk = qm->cap_tables.dev_cap_table[ZIP_DEV_ALG_BITMAP_IDX].cap_val; 1245 ret = hisi_qm_set_algs(qm, alg_msk, zip_dev_algs, ARRAY_SIZE(zip_dev_algs)); 1246 if (ret) { 1247 pci_err(qm->pdev, "Failed to set zip algs!\n"); 1248 hisi_qm_uninit(qm); 1249 } 1250 1251 return ret; 1252 } 1253 1254 static void hisi_zip_qm_uninit(struct hisi_qm *qm) 1255 { 1256 hisi_qm_uninit(qm); 1257 } 1258 1259 static int hisi_zip_probe_init(struct hisi_zip *hisi_zip) 1260 { 1261 u32 type_rate = HZIP_SHAPER_RATE_COMPRESS; 1262 struct hisi_qm *qm = &hisi_zip->qm; 1263 int ret; 1264 1265 if (qm->fun_type == QM_HW_PF) { 1266 ret = hisi_zip_pf_probe_init(hisi_zip); 1267 if (ret) 1268 return ret; 1269 /* enable shaper type 0 */ 1270 if (qm->ver >= QM_HW_V3) { 1271 type_rate |= QM_SHAPER_ENABLE; 1272 1273 /* ZIP need to enable shaper type 1 */ 1274 type_rate |= HZIP_SHAPER_RATE_DECOMPRESS << QM_SHAPER_TYPE1_OFFSET; 1275 qm->type_rate = type_rate; 1276 } 1277 } 1278 1279 return 0; 1280 } 1281 1282 static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id) 1283 { 1284 struct hisi_zip *hisi_zip; 1285 struct hisi_qm *qm; 1286 int ret; 1287 1288 hisi_zip = devm_kzalloc(&pdev->dev, sizeof(*hisi_zip), GFP_KERNEL); 1289 if (!hisi_zip) 1290 return -ENOMEM; 1291 1292 qm = &hisi_zip->qm; 1293 1294 ret = hisi_zip_qm_init(qm, pdev); 1295 if (ret) { 1296 pci_err(pdev, "Failed to init ZIP QM (%d)!\n", ret); 1297 return ret; 1298 } 1299 1300 ret = hisi_zip_probe_init(hisi_zip); 1301 if (ret) { 1302 pci_err(pdev, "Failed to probe (%d)!\n", ret); 1303 goto err_qm_uninit; 1304 } 1305 1306 ret = hisi_qm_start(qm); 1307 if (ret) 1308 goto err_dev_err_uninit; 1309 1310 ret = hisi_zip_debugfs_init(qm); 1311 if (ret) 1312 pci_err(pdev, "failed to init debugfs (%d)!\n", ret); 1313 1314 hisi_qm_add_list(qm, &zip_devices); 1315 ret = hisi_qm_alg_register(qm, &zip_devices, HZIP_CTX_Q_NUM_DEF); 1316 if (ret < 0) { 1317 pci_err(pdev, "failed to register driver to crypto!\n"); 1318 goto err_qm_del_list; 1319 } 1320 1321 if (qm->uacce) { 1322 ret = uacce_register(qm->uacce); 1323 if (ret) { 1324 pci_err(pdev, "failed to register uacce (%d)!\n", ret); 1325 goto err_qm_alg_unregister; 1326 } 1327 } 1328 1329 if (qm->fun_type == QM_HW_PF && vfs_num > 0) { 1330 ret = hisi_qm_sriov_enable(pdev, vfs_num); 1331 if (ret < 0) 1332 goto err_qm_alg_unregister; 1333 } 1334 1335 hisi_qm_pm_init(qm); 1336 1337 return 0; 1338 1339 err_qm_alg_unregister: 1340 hisi_qm_alg_unregister(qm, &zip_devices, HZIP_CTX_Q_NUM_DEF); 1341 1342 err_qm_del_list: 1343 hisi_qm_del_list(qm, &zip_devices); 1344 hisi_zip_debugfs_exit(qm); 1345 hisi_qm_stop(qm, QM_NORMAL); 1346 1347 err_dev_err_uninit: 1348 hisi_zip_show_last_regs_uninit(qm); 1349 hisi_qm_dev_err_uninit(qm); 1350 1351 err_qm_uninit: 1352 hisi_zip_qm_uninit(qm); 1353 1354 return ret; 1355 } 1356 1357 static void hisi_zip_remove(struct pci_dev *pdev) 1358 { 1359 struct hisi_qm *qm = pci_get_drvdata(pdev); 1360 1361 hisi_qm_pm_uninit(qm); 1362 hisi_qm_wait_task_finish(qm, &zip_devices); 1363 hisi_qm_alg_unregister(qm, &zip_devices, HZIP_CTX_Q_NUM_DEF); 1364 hisi_qm_del_list(qm, &zip_devices); 1365 1366 if (qm->fun_type == QM_HW_PF && qm->vfs_num) 1367 hisi_qm_sriov_disable(pdev, true); 1368 1369 hisi_zip_debugfs_exit(qm); 1370 hisi_qm_stop(qm, QM_NORMAL); 1371 hisi_zip_show_last_regs_uninit(qm); 1372 hisi_qm_dev_err_uninit(qm); 1373 hisi_zip_qm_uninit(qm); 1374 } 1375 1376 static const struct dev_pm_ops hisi_zip_pm_ops = { 1377 SET_RUNTIME_PM_OPS(hisi_qm_suspend, hisi_qm_resume, NULL) 1378 }; 1379 1380 static const struct pci_error_handlers hisi_zip_err_handler = { 1381 .error_detected = hisi_qm_dev_err_detected, 1382 .slot_reset = hisi_qm_dev_slot_reset, 1383 .reset_prepare = hisi_qm_reset_prepare, 1384 .reset_done = hisi_qm_reset_done, 1385 }; 1386 1387 static struct pci_driver hisi_zip_pci_driver = { 1388 .name = "hisi_zip", 1389 .id_table = hisi_zip_dev_ids, 1390 .probe = hisi_zip_probe, 1391 .remove = hisi_zip_remove, 1392 .sriov_configure = IS_ENABLED(CONFIG_PCI_IOV) ? 1393 hisi_qm_sriov_configure : NULL, 1394 .err_handler = &hisi_zip_err_handler, 1395 .shutdown = hisi_qm_dev_shutdown, 1396 .driver.pm = &hisi_zip_pm_ops, 1397 }; 1398 1399 struct pci_driver *hisi_zip_get_pf_driver(void) 1400 { 1401 return &hisi_zip_pci_driver; 1402 } 1403 EXPORT_SYMBOL_GPL(hisi_zip_get_pf_driver); 1404 1405 static void hisi_zip_register_debugfs(void) 1406 { 1407 if (!debugfs_initialized()) 1408 return; 1409 1410 hzip_debugfs_root = debugfs_create_dir("hisi_zip", NULL); 1411 } 1412 1413 static void hisi_zip_unregister_debugfs(void) 1414 { 1415 debugfs_remove_recursive(hzip_debugfs_root); 1416 } 1417 1418 static int __init hisi_zip_init(void) 1419 { 1420 int ret; 1421 1422 hisi_qm_init_list(&zip_devices); 1423 hisi_zip_register_debugfs(); 1424 1425 ret = pci_register_driver(&hisi_zip_pci_driver); 1426 if (ret < 0) { 1427 hisi_zip_unregister_debugfs(); 1428 pr_err("Failed to register pci driver.\n"); 1429 } 1430 1431 return ret; 1432 } 1433 1434 static void __exit hisi_zip_exit(void) 1435 { 1436 pci_unregister_driver(&hisi_zip_pci_driver); 1437 hisi_zip_unregister_debugfs(); 1438 } 1439 1440 module_init(hisi_zip_init); 1441 module_exit(hisi_zip_exit); 1442 1443 MODULE_LICENSE("GPL v2"); 1444 MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>"); 1445 MODULE_DESCRIPTION("Driver for HiSilicon ZIP accelerator"); 1446