/* * Copyright © 2014 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including * the next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include "libhsakmt.h" #include "pmc_table.h" static uint32_t kaveri_sq_counter_ids[] = { 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, 156, 157, 158, 159, 160, 161, 162, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 }; /* Unused counters - 166, 292 - 297 */ static uint32_t carrizo_sq_counter_ids[] = { 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, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 298 }; /* Unused counters - 166, 292 - 297 */ static uint32_t fiji_sq_counter_ids[] = { 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, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 298 }; /* Unused counters - 163 - 166, 167 and 251 are *_DUMMY_LAST */ static uint32_t hawaii_sq_counter_ids[] = { 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, 156, 157, 158, 159, 160, 161, 162, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 }; /* Polaris 10 and Polaris 11 have the same SQ cpunter IDs */ /* Unused counters - 167 and 275 are *_DUMMY_LAST */ static uint32_t polaris_sq_counter_ids[] = { 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, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295 }; static struct perf_counter_block kaveri_blocks[PERFCOUNTER_BLOCKID__MAX] = { [PERFCOUNTER_BLOCKID__SQ] = { .num_of_slots = 8, .num_of_counters = sizeof(kaveri_sq_counter_ids) / sizeof(*kaveri_sq_counter_ids), .counter_ids = kaveri_sq_counter_ids, .counter_size_in_bits = 64, .counter_mask = BITMASK(64) }, }; static struct perf_counter_block carrizo_blocks[PERFCOUNTER_BLOCKID__MAX] = { [PERFCOUNTER_BLOCKID__SQ] = { .num_of_slots = 8, .num_of_counters = sizeof(carrizo_sq_counter_ids) / sizeof(*carrizo_sq_counter_ids), .counter_ids = carrizo_sq_counter_ids, .counter_size_in_bits = 64, .counter_mask = BITMASK(64) }, }; static struct perf_counter_block fiji_blocks[PERFCOUNTER_BLOCKID__MAX] = { [PERFCOUNTER_BLOCKID__SQ] = { .num_of_slots = 8, .num_of_counters = sizeof(fiji_sq_counter_ids) / sizeof(*fiji_sq_counter_ids), .counter_ids = fiji_sq_counter_ids, .counter_size_in_bits = 64, .counter_mask = BITMASK(64) }, }; static struct perf_counter_block hawaii_blocks[PERFCOUNTER_BLOCKID__MAX] = { [PERFCOUNTER_BLOCKID__SQ] = { .num_of_slots = 8, .num_of_counters = sizeof(hawaii_sq_counter_ids) / sizeof(*hawaii_sq_counter_ids), .counter_ids = hawaii_sq_counter_ids, .counter_size_in_bits = 64, .counter_mask = BITMASK(64) }, }; static struct perf_counter_block polaris_blocks[PERFCOUNTER_BLOCKID__MAX] = { [PERFCOUNTER_BLOCKID__SQ] = { .num_of_slots = 8, .num_of_counters = sizeof(polaris_sq_counter_ids) / sizeof(*polaris_sq_counter_ids), .counter_ids = polaris_sq_counter_ids, .counter_size_in_bits = 64, .counter_mask = BITMASK(64) }, }; /* Current APUs only have one IOMMU. If NUMA is introduced to APUs, we'll need * to expand the struct here to an array. */ static struct perf_counter_block iommu_block; uint32_t pmc_table_get_max_concurrent(int block_id) { switch (block_id) { case PERFCOUNTER_BLOCKID__IOMMUV2: return iommu_block.num_of_slots; default: return 0; } } static HSAKMT_STATUS alloc_pmc_blocks_iommu(void) { DIR *dir; struct dirent *dent; const char sysfs_amdiommu_event_path[] = "/sys/bus/event_source/devices/amd_iommu/events"; /* Counter source in IOMMU's Counter Bank Addressing register is 8 bits, * so the biggest counter number/id possible is 0xff. */ const int max_counter_id = 0xff; char path[256]; const int len = sizeof(path); FILE *file; int num; char counter_id[max_counter_id + 1]; HSAKMT_STATUS ret = HSAKMT_STATUS_SUCCESS; uint32_t *ptr; struct perf_counter_block *block = &iommu_block; memset(block, 0, sizeof(struct perf_counter_block)); dir = opendir(sysfs_amdiommu_event_path); if (!dir) goto out; memset(counter_id, 0, max_counter_id + 1); while ((dent = readdir(dir))) { if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, "..")) continue; if (snprintf(path, len, "%s/%s", sysfs_amdiommu_event_path, dent->d_name) >= len) { fprintf(stderr, "Increase path length.\n"); ret = HSAKMT_STATUS_NO_MEMORY; goto out; } file = fopen(path, "r"); if (!file) { ret = HSAKMT_STATUS_ERROR; goto out; } if (fscanf(file, "csource=0x%x", &num) != 1) { ret = HSAKMT_STATUS_ERROR; fclose(file); goto out; } if (num > max_counter_id) /* This should never happen. If it does, check IOMMU driver. */ fprintf(stderr, "Error: max_counter_id %d is set too small.\n", max_counter_id); else { counter_id[num] = 1; ++block->num_of_counters; } fclose(file); } block->counter_ids = malloc(sizeof(uint32_t) * block->num_of_counters); if (!block->counter_ids) { ret = HSAKMT_STATUS_NO_MEMORY; goto out; } ptr = block->counter_ids; for (num = 0; num < (max_counter_id + 1); num++) { if (counter_id[num]) { ptr[0] = num; ++ptr; } } if (snprintf(path, len, "%s/%d/%s", "/sys/devices/virtual/kfd/kfd/topology/nodes", 0, /* IOMMU is in node 0. Change this if NUMA is introduced to APU. */ "perf/iommu/max_concurrent") >= len) { fprintf(stderr, "Increase path length\n"); ret = HSAKMT_STATUS_NO_MEMORY; goto out; }; file = fopen(path, "r"); if (!file) { ret = HSAKMT_STATUS_ERROR; goto out; } if (fscanf(file, "%d", &block->num_of_slots) != 1) ret = HSAKMT_STATUS_ERROR; fclose(file); out: if (dir) closedir(dir); return ret; } HSAKMT_STATUS alloc_pmc_blocks(void) { return alloc_pmc_blocks_iommu(); } void free_pmc_blocks(void) { if (iommu_block.counter_ids) free(iommu_block.counter_ids); iommu_block.counter_ids = NULL; iommu_block.num_of_counters = 0; } HSAKMT_STATUS get_block_properties(uint32_t node_id, enum perf_block_id block_id, struct perf_counter_block *block) { HSAKMT_STATUS rc = HSAKMT_STATUS_SUCCESS; uint16_t dev_id = get_device_id_by_node(node_id); if (block_id > PERFCOUNTER_BLOCKID__MAX || block_id < PERFCOUNTER_BLOCKID__FIRST) return HSAKMT_STATUS_INVALID_PARAMETER; if (block_id == PERFCOUNTER_BLOCKID__IOMMUV2) { *block = iommu_block; return HSAKMT_STATUS_SUCCESS; } /* To avoid the long list, we read the 12 most significant digits of DID * to identify the GPU instead of listing the complete 16 bits. If one * day 12-bits is not good enough to distinguish the GPU, change the * code here. */ switch(dev_id >> 4) { case 0x130: case 0x131: *block = kaveri_blocks[block_id]; break; case 0x987: *block = carrizo_blocks[block_id]; break; case 0x730: *block = fiji_blocks[block_id]; break; case 0x67A: case 0x67B: *block = hawaii_blocks[block_id]; break; case 0x67C: case 0x67D: case 0x67E: case 0x67F: *block = polaris_blocks[block_id]; break; default: rc = HSAKMT_STATUS_INVALID_PARAMETER; } return rc; }