15b5c4e40SEvgeny Pinchuk /* 25b5c4e40SEvgeny Pinchuk * Copyright 2014 Advanced Micro Devices, Inc. 35b5c4e40SEvgeny Pinchuk * 45b5c4e40SEvgeny Pinchuk * Permission is hereby granted, free of charge, to any person obtaining a 55b5c4e40SEvgeny Pinchuk * copy of this software and associated documentation files (the "Software"), 65b5c4e40SEvgeny Pinchuk * to deal in the Software without restriction, including without limitation 75b5c4e40SEvgeny Pinchuk * the rights to use, copy, modify, merge, publish, distribute, sublicense, 85b5c4e40SEvgeny Pinchuk * and/or sell copies of the Software, and to permit persons to whom the 95b5c4e40SEvgeny Pinchuk * Software is furnished to do so, subject to the following conditions: 105b5c4e40SEvgeny Pinchuk * 115b5c4e40SEvgeny Pinchuk * The above copyright notice and this permission notice shall be included in 125b5c4e40SEvgeny Pinchuk * all copies or substantial portions of the Software. 135b5c4e40SEvgeny Pinchuk * 145b5c4e40SEvgeny Pinchuk * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 155b5c4e40SEvgeny Pinchuk * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 165b5c4e40SEvgeny Pinchuk * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 175b5c4e40SEvgeny Pinchuk * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 185b5c4e40SEvgeny Pinchuk * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 195b5c4e40SEvgeny Pinchuk * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 205b5c4e40SEvgeny Pinchuk * OTHER DEALINGS IN THE SOFTWARE. 215b5c4e40SEvgeny Pinchuk */ 225b5c4e40SEvgeny Pinchuk 235b5c4e40SEvgeny Pinchuk #include <linux/types.h> 245b5c4e40SEvgeny Pinchuk #include <linux/kernel.h> 255b5c4e40SEvgeny Pinchuk #include <linux/pci.h> 265b5c4e40SEvgeny Pinchuk #include <linux/errno.h> 275b5c4e40SEvgeny Pinchuk #include <linux/acpi.h> 285b5c4e40SEvgeny Pinchuk #include <linux/hash.h> 295b5c4e40SEvgeny Pinchuk #include <linux/cpufreq.h> 30f7c826adSAlexey Skidanov #include <linux/log2.h> 31520b8fb7SFelix Kuehling #include <linux/dmi.h> 32520b8fb7SFelix Kuehling #include <linux/atomic.h> 335b5c4e40SEvgeny Pinchuk 345b5c4e40SEvgeny Pinchuk #include "kfd_priv.h" 355b5c4e40SEvgeny Pinchuk #include "kfd_crat.h" 365b5c4e40SEvgeny Pinchuk #include "kfd_topology.h" 37851a645eSFelix Kuehling #include "kfd_device_queue_manager.h" 3864d1c3a4SFelix Kuehling #include "kfd_iommu.h" 395b87245fSAmber Lin #include "amdgpu_amdkfd.h" 405b5c4e40SEvgeny Pinchuk 414f449311SHarish Kasiviswanathan /* topology_device_list - Master list of all topology devices */ 424f449311SHarish Kasiviswanathan static struct list_head topology_device_list; 43520b8fb7SFelix Kuehling static struct kfd_system_properties sys_props; 445b5c4e40SEvgeny Pinchuk 455b5c4e40SEvgeny Pinchuk static DECLARE_RWSEM(topology_lock); 46520b8fb7SFelix Kuehling static atomic_t topology_crat_proximity_domain; 475b5c4e40SEvgeny Pinchuk 483a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 493a87177eSHarish Kasiviswanathan uint32_t proximity_domain) 503a87177eSHarish Kasiviswanathan { 513a87177eSHarish Kasiviswanathan struct kfd_topology_device *top_dev; 523a87177eSHarish Kasiviswanathan struct kfd_topology_device *device = NULL; 533a87177eSHarish Kasiviswanathan 543a87177eSHarish Kasiviswanathan down_read(&topology_lock); 553a87177eSHarish Kasiviswanathan 563a87177eSHarish Kasiviswanathan list_for_each_entry(top_dev, &topology_device_list, list) 573a87177eSHarish Kasiviswanathan if (top_dev->proximity_domain == proximity_domain) { 583a87177eSHarish Kasiviswanathan device = top_dev; 593a87177eSHarish Kasiviswanathan break; 603a87177eSHarish Kasiviswanathan } 613a87177eSHarish Kasiviswanathan 623a87177eSHarish Kasiviswanathan up_read(&topology_lock); 633a87177eSHarish Kasiviswanathan 643a87177eSHarish Kasiviswanathan return device; 653a87177eSHarish Kasiviswanathan } 663a87177eSHarish Kasiviswanathan 6744d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id) 685b5c4e40SEvgeny Pinchuk { 6944d8cc6fSYong Zhao struct kfd_topology_device *top_dev = NULL; 7044d8cc6fSYong Zhao struct kfd_topology_device *ret = NULL; 715b5c4e40SEvgeny Pinchuk 725b5c4e40SEvgeny Pinchuk down_read(&topology_lock); 735b5c4e40SEvgeny Pinchuk 745b5c4e40SEvgeny Pinchuk list_for_each_entry(top_dev, &topology_device_list, list) 755b5c4e40SEvgeny Pinchuk if (top_dev->gpu_id == gpu_id) { 7644d8cc6fSYong Zhao ret = top_dev; 775b5c4e40SEvgeny Pinchuk break; 785b5c4e40SEvgeny Pinchuk } 795b5c4e40SEvgeny Pinchuk 805b5c4e40SEvgeny Pinchuk up_read(&topology_lock); 815b5c4e40SEvgeny Pinchuk 8244d8cc6fSYong Zhao return ret; 8344d8cc6fSYong Zhao } 8444d8cc6fSYong Zhao 8544d8cc6fSYong Zhao struct kfd_dev *kfd_device_by_id(uint32_t gpu_id) 8644d8cc6fSYong Zhao { 8744d8cc6fSYong Zhao struct kfd_topology_device *top_dev; 8844d8cc6fSYong Zhao 8944d8cc6fSYong Zhao top_dev = kfd_topology_device_by_id(gpu_id); 9044d8cc6fSYong Zhao if (!top_dev) 9144d8cc6fSYong Zhao return NULL; 9244d8cc6fSYong Zhao 9344d8cc6fSYong Zhao return top_dev->gpu; 945b5c4e40SEvgeny Pinchuk } 955b5c4e40SEvgeny Pinchuk 965b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev) 975b5c4e40SEvgeny Pinchuk { 985b5c4e40SEvgeny Pinchuk struct kfd_topology_device *top_dev; 995b5c4e40SEvgeny Pinchuk struct kfd_dev *device = NULL; 1005b5c4e40SEvgeny Pinchuk 1015b5c4e40SEvgeny Pinchuk down_read(&topology_lock); 1025b5c4e40SEvgeny Pinchuk 1035b5c4e40SEvgeny Pinchuk list_for_each_entry(top_dev, &topology_device_list, list) 1043704d56eSFelix Kuehling if (top_dev->gpu && top_dev->gpu->pdev == pdev) { 1055b5c4e40SEvgeny Pinchuk device = top_dev->gpu; 1065b5c4e40SEvgeny Pinchuk break; 1075b5c4e40SEvgeny Pinchuk } 1085b5c4e40SEvgeny Pinchuk 1095b5c4e40SEvgeny Pinchuk up_read(&topology_lock); 1105b5c4e40SEvgeny Pinchuk 1115b5c4e40SEvgeny Pinchuk return device; 1125b5c4e40SEvgeny Pinchuk } 1135b5c4e40SEvgeny Pinchuk 1143a87177eSHarish Kasiviswanathan /* Called with write topology_lock acquired */ 1155b5c4e40SEvgeny Pinchuk static void kfd_release_topology_device(struct kfd_topology_device *dev) 1165b5c4e40SEvgeny Pinchuk { 1175b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 1185b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 1195b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 120f4757347SAmber Lin struct kfd_perf_properties *perf; 1215b5c4e40SEvgeny Pinchuk 1225b5c4e40SEvgeny Pinchuk list_del(&dev->list); 1235b5c4e40SEvgeny Pinchuk 1245b5c4e40SEvgeny Pinchuk while (dev->mem_props.next != &dev->mem_props) { 1255b5c4e40SEvgeny Pinchuk mem = container_of(dev->mem_props.next, 1265b5c4e40SEvgeny Pinchuk struct kfd_mem_properties, list); 1275b5c4e40SEvgeny Pinchuk list_del(&mem->list); 1285b5c4e40SEvgeny Pinchuk kfree(mem); 1295b5c4e40SEvgeny Pinchuk } 1305b5c4e40SEvgeny Pinchuk 1315b5c4e40SEvgeny Pinchuk while (dev->cache_props.next != &dev->cache_props) { 1325b5c4e40SEvgeny Pinchuk cache = container_of(dev->cache_props.next, 1335b5c4e40SEvgeny Pinchuk struct kfd_cache_properties, list); 1345b5c4e40SEvgeny Pinchuk list_del(&cache->list); 1355b5c4e40SEvgeny Pinchuk kfree(cache); 1365b5c4e40SEvgeny Pinchuk } 1375b5c4e40SEvgeny Pinchuk 1385b5c4e40SEvgeny Pinchuk while (dev->io_link_props.next != &dev->io_link_props) { 1395b5c4e40SEvgeny Pinchuk iolink = container_of(dev->io_link_props.next, 1405b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties, list); 1415b5c4e40SEvgeny Pinchuk list_del(&iolink->list); 1425b5c4e40SEvgeny Pinchuk kfree(iolink); 1435b5c4e40SEvgeny Pinchuk } 1445b5c4e40SEvgeny Pinchuk 145f4757347SAmber Lin while (dev->perf_props.next != &dev->perf_props) { 146f4757347SAmber Lin perf = container_of(dev->perf_props.next, 147f4757347SAmber Lin struct kfd_perf_properties, list); 148f4757347SAmber Lin list_del(&perf->list); 149f4757347SAmber Lin kfree(perf); 150f4757347SAmber Lin } 151f4757347SAmber Lin 1525b5c4e40SEvgeny Pinchuk kfree(dev); 1535b5c4e40SEvgeny Pinchuk } 1545b5c4e40SEvgeny Pinchuk 1554f449311SHarish Kasiviswanathan void kfd_release_topology_device_list(struct list_head *device_list) 1565b5c4e40SEvgeny Pinchuk { 1575b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 1585b5c4e40SEvgeny Pinchuk 1594f449311SHarish Kasiviswanathan while (!list_empty(device_list)) { 1604f449311SHarish Kasiviswanathan dev = list_first_entry(device_list, 1615b5c4e40SEvgeny Pinchuk struct kfd_topology_device, list); 1625b5c4e40SEvgeny Pinchuk kfd_release_topology_device(dev); 1635b5c4e40SEvgeny Pinchuk } 1644f449311SHarish Kasiviswanathan } 1655b5c4e40SEvgeny Pinchuk 1664f449311SHarish Kasiviswanathan static void kfd_release_live_view(void) 1674f449311SHarish Kasiviswanathan { 1684f449311SHarish Kasiviswanathan kfd_release_topology_device_list(&topology_device_list); 1695b5c4e40SEvgeny Pinchuk memset(&sys_props, 0, sizeof(sys_props)); 1705b5c4e40SEvgeny Pinchuk } 1715b5c4e40SEvgeny Pinchuk 1724f449311SHarish Kasiviswanathan struct kfd_topology_device *kfd_create_topology_device( 1734f449311SHarish Kasiviswanathan struct list_head *device_list) 1745b5c4e40SEvgeny Pinchuk { 1755b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 1765b5c4e40SEvgeny Pinchuk 1775b5c4e40SEvgeny Pinchuk dev = kfd_alloc_struct(dev); 1784eacc26bSKent Russell if (!dev) { 1795b5c4e40SEvgeny Pinchuk pr_err("No memory to allocate a topology device"); 18016b9201cSOded Gabbay return NULL; 1815b5c4e40SEvgeny Pinchuk } 1825b5c4e40SEvgeny Pinchuk 1835b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&dev->mem_props); 1845b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&dev->cache_props); 1855b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&dev->io_link_props); 186f4757347SAmber Lin INIT_LIST_HEAD(&dev->perf_props); 1875b5c4e40SEvgeny Pinchuk 1884f449311SHarish Kasiviswanathan list_add_tail(&dev->list, device_list); 1895b5c4e40SEvgeny Pinchuk 1905b5c4e40SEvgeny Pinchuk return dev; 1915b5c4e40SEvgeny Pinchuk } 1925b5c4e40SEvgeny Pinchuk 1935b5c4e40SEvgeny Pinchuk 1945b5c4e40SEvgeny Pinchuk #define sysfs_show_gen_prop(buffer, fmt, ...) \ 1955b5c4e40SEvgeny Pinchuk snprintf(buffer, PAGE_SIZE, "%s"fmt, buffer, __VA_ARGS__) 1965b5c4e40SEvgeny Pinchuk #define sysfs_show_32bit_prop(buffer, name, value) \ 1975b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%s %u\n", name, value) 1985b5c4e40SEvgeny Pinchuk #define sysfs_show_64bit_prop(buffer, name, value) \ 1995b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%s %llu\n", name, value) 2005b5c4e40SEvgeny Pinchuk #define sysfs_show_32bit_val(buffer, value) \ 2015b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%u\n", value) 2025b5c4e40SEvgeny Pinchuk #define sysfs_show_str_val(buffer, value) \ 2035b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%s\n", value) 2045b5c4e40SEvgeny Pinchuk 2055b5c4e40SEvgeny Pinchuk static ssize_t sysprops_show(struct kobject *kobj, struct attribute *attr, 2065b5c4e40SEvgeny Pinchuk char *buffer) 2075b5c4e40SEvgeny Pinchuk { 2085b5c4e40SEvgeny Pinchuk ssize_t ret; 2095b5c4e40SEvgeny Pinchuk 2105b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 2115b5c4e40SEvgeny Pinchuk buffer[0] = 0; 2125b5c4e40SEvgeny Pinchuk 2135b5c4e40SEvgeny Pinchuk if (attr == &sys_props.attr_genid) { 2145b5c4e40SEvgeny Pinchuk ret = sysfs_show_32bit_val(buffer, sys_props.generation_count); 2155b5c4e40SEvgeny Pinchuk } else if (attr == &sys_props.attr_props) { 2165b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "platform_oem", 2175b5c4e40SEvgeny Pinchuk sys_props.platform_oem); 2185b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "platform_id", 2195b5c4e40SEvgeny Pinchuk sys_props.platform_id); 2205b5c4e40SEvgeny Pinchuk ret = sysfs_show_64bit_prop(buffer, "platform_rev", 2215b5c4e40SEvgeny Pinchuk sys_props.platform_rev); 2225b5c4e40SEvgeny Pinchuk } else { 2235b5c4e40SEvgeny Pinchuk ret = -EINVAL; 2245b5c4e40SEvgeny Pinchuk } 2255b5c4e40SEvgeny Pinchuk 2265b5c4e40SEvgeny Pinchuk return ret; 2275b5c4e40SEvgeny Pinchuk } 2285b5c4e40SEvgeny Pinchuk 2295108d768SYong Zhao static void kfd_topology_kobj_release(struct kobject *kobj) 2305108d768SYong Zhao { 2315108d768SYong Zhao kfree(kobj); 2325108d768SYong Zhao } 2335108d768SYong Zhao 2345b5c4e40SEvgeny Pinchuk static const struct sysfs_ops sysprops_ops = { 2355b5c4e40SEvgeny Pinchuk .show = sysprops_show, 2365b5c4e40SEvgeny Pinchuk }; 2375b5c4e40SEvgeny Pinchuk 2385b5c4e40SEvgeny Pinchuk static struct kobj_type sysprops_type = { 2395108d768SYong Zhao .release = kfd_topology_kobj_release, 2405b5c4e40SEvgeny Pinchuk .sysfs_ops = &sysprops_ops, 2415b5c4e40SEvgeny Pinchuk }; 2425b5c4e40SEvgeny Pinchuk 2435b5c4e40SEvgeny Pinchuk static ssize_t iolink_show(struct kobject *kobj, struct attribute *attr, 2445b5c4e40SEvgeny Pinchuk char *buffer) 2455b5c4e40SEvgeny Pinchuk { 2465b5c4e40SEvgeny Pinchuk ssize_t ret; 2475b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 2485b5c4e40SEvgeny Pinchuk 2495b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 2505b5c4e40SEvgeny Pinchuk buffer[0] = 0; 2515b5c4e40SEvgeny Pinchuk 2525b5c4e40SEvgeny Pinchuk iolink = container_of(attr, struct kfd_iolink_properties, attr); 2535b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "type", iolink->iolink_type); 2545b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "version_major", iolink->ver_maj); 2555b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "version_minor", iolink->ver_min); 2565b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "node_from", iolink->node_from); 2575b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "node_to", iolink->node_to); 2585b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "weight", iolink->weight); 2595b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "min_latency", iolink->min_latency); 2605b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_latency", iolink->max_latency); 2615b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "min_bandwidth", iolink->min_bandwidth); 2625b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_bandwidth", iolink->max_bandwidth); 2635b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "recommended_transfer_size", 2645b5c4e40SEvgeny Pinchuk iolink->rec_transfer_size); 2655b5c4e40SEvgeny Pinchuk ret = sysfs_show_32bit_prop(buffer, "flags", iolink->flags); 2665b5c4e40SEvgeny Pinchuk 2675b5c4e40SEvgeny Pinchuk return ret; 2685b5c4e40SEvgeny Pinchuk } 2695b5c4e40SEvgeny Pinchuk 2705b5c4e40SEvgeny Pinchuk static const struct sysfs_ops iolink_ops = { 2715b5c4e40SEvgeny Pinchuk .show = iolink_show, 2725b5c4e40SEvgeny Pinchuk }; 2735b5c4e40SEvgeny Pinchuk 2745b5c4e40SEvgeny Pinchuk static struct kobj_type iolink_type = { 2755108d768SYong Zhao .release = kfd_topology_kobj_release, 2765b5c4e40SEvgeny Pinchuk .sysfs_ops = &iolink_ops, 2775b5c4e40SEvgeny Pinchuk }; 2785b5c4e40SEvgeny Pinchuk 2795b5c4e40SEvgeny Pinchuk static ssize_t mem_show(struct kobject *kobj, struct attribute *attr, 2805b5c4e40SEvgeny Pinchuk char *buffer) 2815b5c4e40SEvgeny Pinchuk { 2825b5c4e40SEvgeny Pinchuk ssize_t ret; 2835b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 2845b5c4e40SEvgeny Pinchuk 2855b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 2865b5c4e40SEvgeny Pinchuk buffer[0] = 0; 2875b5c4e40SEvgeny Pinchuk 2885b5c4e40SEvgeny Pinchuk mem = container_of(attr, struct kfd_mem_properties, attr); 2895b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "heap_type", mem->heap_type); 2905b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "size_in_bytes", mem->size_in_bytes); 2915b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "flags", mem->flags); 2925b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "width", mem->width); 2935b5c4e40SEvgeny Pinchuk ret = sysfs_show_32bit_prop(buffer, "mem_clk_max", mem->mem_clk_max); 2945b5c4e40SEvgeny Pinchuk 2955b5c4e40SEvgeny Pinchuk return ret; 2965b5c4e40SEvgeny Pinchuk } 2975b5c4e40SEvgeny Pinchuk 2985b5c4e40SEvgeny Pinchuk static const struct sysfs_ops mem_ops = { 2995b5c4e40SEvgeny Pinchuk .show = mem_show, 3005b5c4e40SEvgeny Pinchuk }; 3015b5c4e40SEvgeny Pinchuk 3025b5c4e40SEvgeny Pinchuk static struct kobj_type mem_type = { 3035108d768SYong Zhao .release = kfd_topology_kobj_release, 3045b5c4e40SEvgeny Pinchuk .sysfs_ops = &mem_ops, 3055b5c4e40SEvgeny Pinchuk }; 3065b5c4e40SEvgeny Pinchuk 3075b5c4e40SEvgeny Pinchuk static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr, 3085b5c4e40SEvgeny Pinchuk char *buffer) 3095b5c4e40SEvgeny Pinchuk { 3105b5c4e40SEvgeny Pinchuk ssize_t ret; 311bc0c75a3SHarish Kasiviswanathan uint32_t i, j; 3125b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 3135b5c4e40SEvgeny Pinchuk 3145b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 3155b5c4e40SEvgeny Pinchuk buffer[0] = 0; 3165b5c4e40SEvgeny Pinchuk 3175b5c4e40SEvgeny Pinchuk cache = container_of(attr, struct kfd_cache_properties, attr); 3185b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "processor_id_low", 3195b5c4e40SEvgeny Pinchuk cache->processor_id_low); 3205b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "level", cache->cache_level); 3215b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "size", cache->cache_size); 3225b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cache_line_size", cache->cacheline_size); 3235b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cache_lines_per_tag", 3245b5c4e40SEvgeny Pinchuk cache->cachelines_per_tag); 3255b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "association", cache->cache_assoc); 3265b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "latency", cache->cache_latency); 3275b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "type", cache->cache_type); 3285b5c4e40SEvgeny Pinchuk snprintf(buffer, PAGE_SIZE, "%ssibling_map ", buffer); 329bc0c75a3SHarish Kasiviswanathan for (i = 0; i < CRAT_SIBLINGMAP_SIZE; i++) 330bc0c75a3SHarish Kasiviswanathan for (j = 0; j < sizeof(cache->sibling_map[0])*8; j++) { 331bc0c75a3SHarish Kasiviswanathan /* Check each bit */ 332bc0c75a3SHarish Kasiviswanathan if (cache->sibling_map[i] & (1 << j)) 333bc0c75a3SHarish Kasiviswanathan ret = snprintf(buffer, PAGE_SIZE, 334bc0c75a3SHarish Kasiviswanathan "%s%d%s", buffer, 1, ","); 335bc0c75a3SHarish Kasiviswanathan else 336bc0c75a3SHarish Kasiviswanathan ret = snprintf(buffer, PAGE_SIZE, 337bc0c75a3SHarish Kasiviswanathan "%s%d%s", buffer, 0, ","); 338bc0c75a3SHarish Kasiviswanathan } 339bc0c75a3SHarish Kasiviswanathan /* Replace the last "," with end of line */ 340bc0c75a3SHarish Kasiviswanathan *(buffer + strlen(buffer) - 1) = 0xA; 3415b5c4e40SEvgeny Pinchuk return ret; 3425b5c4e40SEvgeny Pinchuk } 3435b5c4e40SEvgeny Pinchuk 3445b5c4e40SEvgeny Pinchuk static const struct sysfs_ops cache_ops = { 3455b5c4e40SEvgeny Pinchuk .show = kfd_cache_show, 3465b5c4e40SEvgeny Pinchuk }; 3475b5c4e40SEvgeny Pinchuk 3485b5c4e40SEvgeny Pinchuk static struct kobj_type cache_type = { 3495108d768SYong Zhao .release = kfd_topology_kobj_release, 3505b5c4e40SEvgeny Pinchuk .sysfs_ops = &cache_ops, 3515b5c4e40SEvgeny Pinchuk }; 3525b5c4e40SEvgeny Pinchuk 353f4757347SAmber Lin /****** Sysfs of Performance Counters ******/ 354f4757347SAmber Lin 355f4757347SAmber Lin struct kfd_perf_attr { 356f4757347SAmber Lin struct kobj_attribute attr; 357f4757347SAmber Lin uint32_t data; 358f4757347SAmber Lin }; 359f4757347SAmber Lin 360f4757347SAmber Lin static ssize_t perf_show(struct kobject *kobj, struct kobj_attribute *attrs, 361f4757347SAmber Lin char *buf) 362f4757347SAmber Lin { 363f4757347SAmber Lin struct kfd_perf_attr *attr; 364f4757347SAmber Lin 365f4757347SAmber Lin buf[0] = 0; 366f4757347SAmber Lin attr = container_of(attrs, struct kfd_perf_attr, attr); 367f4757347SAmber Lin if (!attr->data) /* invalid data for PMC */ 368f4757347SAmber Lin return 0; 369f4757347SAmber Lin else 370f4757347SAmber Lin return sysfs_show_32bit_val(buf, attr->data); 371f4757347SAmber Lin } 372f4757347SAmber Lin 373f4757347SAmber Lin #define KFD_PERF_DESC(_name, _data) \ 374f4757347SAmber Lin { \ 375f4757347SAmber Lin .attr = __ATTR(_name, 0444, perf_show, NULL), \ 376f4757347SAmber Lin .data = _data, \ 377f4757347SAmber Lin } 378f4757347SAmber Lin 379f4757347SAmber Lin static struct kfd_perf_attr perf_attr_iommu[] = { 380f4757347SAmber Lin KFD_PERF_DESC(max_concurrent, 0), 381f4757347SAmber Lin KFD_PERF_DESC(num_counters, 0), 382f4757347SAmber Lin KFD_PERF_DESC(counter_ids, 0), 383f4757347SAmber Lin }; 384f4757347SAmber Lin /****************************************/ 385f4757347SAmber Lin 3865b5c4e40SEvgeny Pinchuk static ssize_t node_show(struct kobject *kobj, struct attribute *attr, 3875b5c4e40SEvgeny Pinchuk char *buffer) 3885b5c4e40SEvgeny Pinchuk { 3895b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 3905b5c4e40SEvgeny Pinchuk char public_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 3915b5c4e40SEvgeny Pinchuk uint32_t i; 392f7c826adSAlexey Skidanov uint32_t log_max_watch_addr; 3935b5c4e40SEvgeny Pinchuk 3945b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 3955b5c4e40SEvgeny Pinchuk buffer[0] = 0; 3965b5c4e40SEvgeny Pinchuk 3975b5c4e40SEvgeny Pinchuk if (strcmp(attr->name, "gpu_id") == 0) { 3985b5c4e40SEvgeny Pinchuk dev = container_of(attr, struct kfd_topology_device, 3995b5c4e40SEvgeny Pinchuk attr_gpuid); 400f7c826adSAlexey Skidanov return sysfs_show_32bit_val(buffer, dev->gpu_id); 401f7c826adSAlexey Skidanov } 402f7c826adSAlexey Skidanov 403f7c826adSAlexey Skidanov if (strcmp(attr->name, "name") == 0) { 4045b5c4e40SEvgeny Pinchuk dev = container_of(attr, struct kfd_topology_device, 4055b5c4e40SEvgeny Pinchuk attr_name); 4065b5c4e40SEvgeny Pinchuk for (i = 0; i < KFD_TOPOLOGY_PUBLIC_NAME_SIZE; i++) { 4075b5c4e40SEvgeny Pinchuk public_name[i] = 4085b5c4e40SEvgeny Pinchuk (char)dev->node_props.marketing_name[i]; 4095b5c4e40SEvgeny Pinchuk if (dev->node_props.marketing_name[i] == 0) 4105b5c4e40SEvgeny Pinchuk break; 4115b5c4e40SEvgeny Pinchuk } 4125b5c4e40SEvgeny Pinchuk public_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE-1] = 0x0; 413f7c826adSAlexey Skidanov return sysfs_show_str_val(buffer, public_name); 414f7c826adSAlexey Skidanov } 415f7c826adSAlexey Skidanov 4165b5c4e40SEvgeny Pinchuk dev = container_of(attr, struct kfd_topology_device, 4175b5c4e40SEvgeny Pinchuk attr_props); 4185b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cpu_cores_count", 4195b5c4e40SEvgeny Pinchuk dev->node_props.cpu_cores_count); 4205b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_count", 4215b5c4e40SEvgeny Pinchuk dev->node_props.simd_count); 4225b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "mem_banks_count", 4235b5c4e40SEvgeny Pinchuk dev->node_props.mem_banks_count); 4245b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "caches_count", 4255b5c4e40SEvgeny Pinchuk dev->node_props.caches_count); 4265b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "io_links_count", 4275b5c4e40SEvgeny Pinchuk dev->node_props.io_links_count); 4285b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cpu_core_id_base", 4295b5c4e40SEvgeny Pinchuk dev->node_props.cpu_core_id_base); 4305b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_id_base", 4315b5c4e40SEvgeny Pinchuk dev->node_props.simd_id_base); 4325b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_waves_per_simd", 4335b5c4e40SEvgeny Pinchuk dev->node_props.max_waves_per_simd); 4345b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "lds_size_in_kb", 4355b5c4e40SEvgeny Pinchuk dev->node_props.lds_size_in_kb); 4365b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "gds_size_in_kb", 4375b5c4e40SEvgeny Pinchuk dev->node_props.gds_size_in_kb); 4385b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "wave_front_size", 4395b5c4e40SEvgeny Pinchuk dev->node_props.wave_front_size); 4405b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "array_count", 4415b5c4e40SEvgeny Pinchuk dev->node_props.array_count); 4425b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_arrays_per_engine", 4435b5c4e40SEvgeny Pinchuk dev->node_props.simd_arrays_per_engine); 4445b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cu_per_simd_array", 4455b5c4e40SEvgeny Pinchuk dev->node_props.cu_per_simd_array); 4465b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_per_cu", 4475b5c4e40SEvgeny Pinchuk dev->node_props.simd_per_cu); 4485b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_slots_scratch_cu", 4495b5c4e40SEvgeny Pinchuk dev->node_props.max_slots_scratch_cu); 4505b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "vendor_id", 4515b5c4e40SEvgeny Pinchuk dev->node_props.vendor_id); 4525b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "device_id", 4535b5c4e40SEvgeny Pinchuk dev->node_props.device_id); 4545b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "location_id", 4555b5c4e40SEvgeny Pinchuk dev->node_props.location_id); 4567c9b7171SOak Zeng sysfs_show_32bit_prop(buffer, "drm_render_minor", 4577c9b7171SOak Zeng dev->node_props.drm_render_minor); 4580c1690e3SShaoyun Liu sysfs_show_64bit_prop(buffer, "hive_id", 4590c1690e3SShaoyun Liu dev->node_props.hive_id); 4605b5c4e40SEvgeny Pinchuk 4615b5c4e40SEvgeny Pinchuk if (dev->gpu) { 462f7c826adSAlexey Skidanov log_max_watch_addr = 463f7c826adSAlexey Skidanov __ilog2_u32(dev->gpu->device_info->num_of_watch_points); 464f7c826adSAlexey Skidanov 465f7c826adSAlexey Skidanov if (log_max_watch_addr) { 466f7c826adSAlexey Skidanov dev->node_props.capability |= 467f7c826adSAlexey Skidanov HSA_CAP_WATCH_POINTS_SUPPORTED; 468f7c826adSAlexey Skidanov 469f7c826adSAlexey Skidanov dev->node_props.capability |= 470f7c826adSAlexey Skidanov ((log_max_watch_addr << 471f7c826adSAlexey Skidanov HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT) & 472f7c826adSAlexey Skidanov HSA_CAP_WATCH_POINTS_TOTALBITS_MASK); 473f7c826adSAlexey Skidanov } 474f7c826adSAlexey Skidanov 475413e85d5SBen Goz if (dev->gpu->device_info->asic_family == CHIP_TONGA) 476413e85d5SBen Goz dev->node_props.capability |= 477413e85d5SBen Goz HSA_CAP_AQL_QUEUE_DOUBLE_MAP; 478413e85d5SBen Goz 4795b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute", 4803a87177eSHarish Kasiviswanathan dev->node_props.max_engine_clk_fcompute); 48142e08c78SOded Gabbay 4825b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "local_mem_size", 48342e08c78SOded Gabbay (unsigned long long int) 0); 484f1386fbcSOded Gabbay 485f1386fbcSOded Gabbay sysfs_show_32bit_prop(buffer, "fw_version", 4865ade6c9cSFelix Kuehling dev->gpu->mec_fw_version); 487826f5de8SAlexey Skidanov sysfs_show_32bit_prop(buffer, "capability", 488826f5de8SAlexey Skidanov dev->node_props.capability); 4895ade6c9cSFelix Kuehling sysfs_show_32bit_prop(buffer, "sdma_fw_version", 4905ade6c9cSFelix Kuehling dev->gpu->sdma_fw_version); 4915b5c4e40SEvgeny Pinchuk } 4925b5c4e40SEvgeny Pinchuk 493f7c826adSAlexey Skidanov return sysfs_show_32bit_prop(buffer, "max_engine_clk_ccompute", 4945b5c4e40SEvgeny Pinchuk cpufreq_quick_get_max(0)/1000); 4955b5c4e40SEvgeny Pinchuk } 4965b5c4e40SEvgeny Pinchuk 4975b5c4e40SEvgeny Pinchuk static const struct sysfs_ops node_ops = { 4985b5c4e40SEvgeny Pinchuk .show = node_show, 4995b5c4e40SEvgeny Pinchuk }; 5005b5c4e40SEvgeny Pinchuk 5015b5c4e40SEvgeny Pinchuk static struct kobj_type node_type = { 5025108d768SYong Zhao .release = kfd_topology_kobj_release, 5035b5c4e40SEvgeny Pinchuk .sysfs_ops = &node_ops, 5045b5c4e40SEvgeny Pinchuk }; 5055b5c4e40SEvgeny Pinchuk 5065b5c4e40SEvgeny Pinchuk static void kfd_remove_sysfs_file(struct kobject *kobj, struct attribute *attr) 5075b5c4e40SEvgeny Pinchuk { 5085b5c4e40SEvgeny Pinchuk sysfs_remove_file(kobj, attr); 5095b5c4e40SEvgeny Pinchuk kobject_del(kobj); 5105b5c4e40SEvgeny Pinchuk kobject_put(kobj); 5115b5c4e40SEvgeny Pinchuk } 5125b5c4e40SEvgeny Pinchuk 5135b5c4e40SEvgeny Pinchuk static void kfd_remove_sysfs_node_entry(struct kfd_topology_device *dev) 5145b5c4e40SEvgeny Pinchuk { 5155b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 5165b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 5175b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 518f4757347SAmber Lin struct kfd_perf_properties *perf; 5195b5c4e40SEvgeny Pinchuk 5205b5c4e40SEvgeny Pinchuk if (dev->kobj_iolink) { 5215b5c4e40SEvgeny Pinchuk list_for_each_entry(iolink, &dev->io_link_props, list) 5225b5c4e40SEvgeny Pinchuk if (iolink->kobj) { 5235b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_file(iolink->kobj, 5245b5c4e40SEvgeny Pinchuk &iolink->attr); 52516b9201cSOded Gabbay iolink->kobj = NULL; 5265b5c4e40SEvgeny Pinchuk } 5275b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_iolink); 5285b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_iolink); 52916b9201cSOded Gabbay dev->kobj_iolink = NULL; 5305b5c4e40SEvgeny Pinchuk } 5315b5c4e40SEvgeny Pinchuk 5325b5c4e40SEvgeny Pinchuk if (dev->kobj_cache) { 5335b5c4e40SEvgeny Pinchuk list_for_each_entry(cache, &dev->cache_props, list) 5345b5c4e40SEvgeny Pinchuk if (cache->kobj) { 5355b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_file(cache->kobj, 5365b5c4e40SEvgeny Pinchuk &cache->attr); 53716b9201cSOded Gabbay cache->kobj = NULL; 5385b5c4e40SEvgeny Pinchuk } 5395b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_cache); 5405b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_cache); 54116b9201cSOded Gabbay dev->kobj_cache = NULL; 5425b5c4e40SEvgeny Pinchuk } 5435b5c4e40SEvgeny Pinchuk 5445b5c4e40SEvgeny Pinchuk if (dev->kobj_mem) { 5455b5c4e40SEvgeny Pinchuk list_for_each_entry(mem, &dev->mem_props, list) 5465b5c4e40SEvgeny Pinchuk if (mem->kobj) { 5475b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_file(mem->kobj, &mem->attr); 54816b9201cSOded Gabbay mem->kobj = NULL; 5495b5c4e40SEvgeny Pinchuk } 5505b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_mem); 5515b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_mem); 55216b9201cSOded Gabbay dev->kobj_mem = NULL; 5535b5c4e40SEvgeny Pinchuk } 5545b5c4e40SEvgeny Pinchuk 555f4757347SAmber Lin if (dev->kobj_perf) { 556f4757347SAmber Lin list_for_each_entry(perf, &dev->perf_props, list) { 557f4757347SAmber Lin kfree(perf->attr_group); 558f4757347SAmber Lin perf->attr_group = NULL; 559f4757347SAmber Lin } 560f4757347SAmber Lin kobject_del(dev->kobj_perf); 561f4757347SAmber Lin kobject_put(dev->kobj_perf); 562f4757347SAmber Lin dev->kobj_perf = NULL; 563f4757347SAmber Lin } 564f4757347SAmber Lin 5655b5c4e40SEvgeny Pinchuk if (dev->kobj_node) { 5665b5c4e40SEvgeny Pinchuk sysfs_remove_file(dev->kobj_node, &dev->attr_gpuid); 5675b5c4e40SEvgeny Pinchuk sysfs_remove_file(dev->kobj_node, &dev->attr_name); 5685b5c4e40SEvgeny Pinchuk sysfs_remove_file(dev->kobj_node, &dev->attr_props); 5695b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_node); 5705b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_node); 57116b9201cSOded Gabbay dev->kobj_node = NULL; 5725b5c4e40SEvgeny Pinchuk } 5735b5c4e40SEvgeny Pinchuk } 5745b5c4e40SEvgeny Pinchuk 5755b5c4e40SEvgeny Pinchuk static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, 5765b5c4e40SEvgeny Pinchuk uint32_t id) 5775b5c4e40SEvgeny Pinchuk { 5785b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 5795b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 5805b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 581f4757347SAmber Lin struct kfd_perf_properties *perf; 5825b5c4e40SEvgeny Pinchuk int ret; 583f4757347SAmber Lin uint32_t i, num_attrs; 584f4757347SAmber Lin struct attribute **attrs; 5855b5c4e40SEvgeny Pinchuk 58632fa8219SFelix Kuehling if (WARN_ON(dev->kobj_node)) 58732fa8219SFelix Kuehling return -EEXIST; 58832fa8219SFelix Kuehling 5895b5c4e40SEvgeny Pinchuk /* 5905b5c4e40SEvgeny Pinchuk * Creating the sysfs folders 5915b5c4e40SEvgeny Pinchuk */ 5925b5c4e40SEvgeny Pinchuk dev->kobj_node = kfd_alloc_struct(dev->kobj_node); 5935b5c4e40SEvgeny Pinchuk if (!dev->kobj_node) 5945b5c4e40SEvgeny Pinchuk return -ENOMEM; 5955b5c4e40SEvgeny Pinchuk 5965b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(dev->kobj_node, &node_type, 5975b5c4e40SEvgeny Pinchuk sys_props.kobj_nodes, "%d", id); 5985b5c4e40SEvgeny Pinchuk if (ret < 0) 5995b5c4e40SEvgeny Pinchuk return ret; 6005b5c4e40SEvgeny Pinchuk 6015b5c4e40SEvgeny Pinchuk dev->kobj_mem = kobject_create_and_add("mem_banks", dev->kobj_node); 6025b5c4e40SEvgeny Pinchuk if (!dev->kobj_mem) 6035b5c4e40SEvgeny Pinchuk return -ENOMEM; 6045b5c4e40SEvgeny Pinchuk 6055b5c4e40SEvgeny Pinchuk dev->kobj_cache = kobject_create_and_add("caches", dev->kobj_node); 6065b5c4e40SEvgeny Pinchuk if (!dev->kobj_cache) 6075b5c4e40SEvgeny Pinchuk return -ENOMEM; 6085b5c4e40SEvgeny Pinchuk 6095b5c4e40SEvgeny Pinchuk dev->kobj_iolink = kobject_create_and_add("io_links", dev->kobj_node); 6105b5c4e40SEvgeny Pinchuk if (!dev->kobj_iolink) 6115b5c4e40SEvgeny Pinchuk return -ENOMEM; 6125b5c4e40SEvgeny Pinchuk 613f4757347SAmber Lin dev->kobj_perf = kobject_create_and_add("perf", dev->kobj_node); 614f4757347SAmber Lin if (!dev->kobj_perf) 615f4757347SAmber Lin return -ENOMEM; 616f4757347SAmber Lin 6175b5c4e40SEvgeny Pinchuk /* 6185b5c4e40SEvgeny Pinchuk * Creating sysfs files for node properties 6195b5c4e40SEvgeny Pinchuk */ 6205b5c4e40SEvgeny Pinchuk dev->attr_gpuid.name = "gpu_id"; 6215b5c4e40SEvgeny Pinchuk dev->attr_gpuid.mode = KFD_SYSFS_FILE_MODE; 6225b5c4e40SEvgeny Pinchuk sysfs_attr_init(&dev->attr_gpuid); 6235b5c4e40SEvgeny Pinchuk dev->attr_name.name = "name"; 6245b5c4e40SEvgeny Pinchuk dev->attr_name.mode = KFD_SYSFS_FILE_MODE; 6255b5c4e40SEvgeny Pinchuk sysfs_attr_init(&dev->attr_name); 6265b5c4e40SEvgeny Pinchuk dev->attr_props.name = "properties"; 6275b5c4e40SEvgeny Pinchuk dev->attr_props.mode = KFD_SYSFS_FILE_MODE; 6285b5c4e40SEvgeny Pinchuk sysfs_attr_init(&dev->attr_props); 6295b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(dev->kobj_node, &dev->attr_gpuid); 6305b5c4e40SEvgeny Pinchuk if (ret < 0) 6315b5c4e40SEvgeny Pinchuk return ret; 6325b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(dev->kobj_node, &dev->attr_name); 6335b5c4e40SEvgeny Pinchuk if (ret < 0) 6345b5c4e40SEvgeny Pinchuk return ret; 6355b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(dev->kobj_node, &dev->attr_props); 6365b5c4e40SEvgeny Pinchuk if (ret < 0) 6375b5c4e40SEvgeny Pinchuk return ret; 6385b5c4e40SEvgeny Pinchuk 6395b5c4e40SEvgeny Pinchuk i = 0; 6405b5c4e40SEvgeny Pinchuk list_for_each_entry(mem, &dev->mem_props, list) { 6415b5c4e40SEvgeny Pinchuk mem->kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL); 6425b5c4e40SEvgeny Pinchuk if (!mem->kobj) 6435b5c4e40SEvgeny Pinchuk return -ENOMEM; 6445b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(mem->kobj, &mem_type, 6455b5c4e40SEvgeny Pinchuk dev->kobj_mem, "%d", i); 6465b5c4e40SEvgeny Pinchuk if (ret < 0) 6475b5c4e40SEvgeny Pinchuk return ret; 6485b5c4e40SEvgeny Pinchuk 6495b5c4e40SEvgeny Pinchuk mem->attr.name = "properties"; 6505b5c4e40SEvgeny Pinchuk mem->attr.mode = KFD_SYSFS_FILE_MODE; 6515b5c4e40SEvgeny Pinchuk sysfs_attr_init(&mem->attr); 6525b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(mem->kobj, &mem->attr); 6535b5c4e40SEvgeny Pinchuk if (ret < 0) 6545b5c4e40SEvgeny Pinchuk return ret; 6555b5c4e40SEvgeny Pinchuk i++; 6565b5c4e40SEvgeny Pinchuk } 6575b5c4e40SEvgeny Pinchuk 6585b5c4e40SEvgeny Pinchuk i = 0; 6595b5c4e40SEvgeny Pinchuk list_for_each_entry(cache, &dev->cache_props, list) { 6605b5c4e40SEvgeny Pinchuk cache->kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL); 6615b5c4e40SEvgeny Pinchuk if (!cache->kobj) 6625b5c4e40SEvgeny Pinchuk return -ENOMEM; 6635b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(cache->kobj, &cache_type, 6645b5c4e40SEvgeny Pinchuk dev->kobj_cache, "%d", i); 6655b5c4e40SEvgeny Pinchuk if (ret < 0) 6665b5c4e40SEvgeny Pinchuk return ret; 6675b5c4e40SEvgeny Pinchuk 6685b5c4e40SEvgeny Pinchuk cache->attr.name = "properties"; 6695b5c4e40SEvgeny Pinchuk cache->attr.mode = KFD_SYSFS_FILE_MODE; 6705b5c4e40SEvgeny Pinchuk sysfs_attr_init(&cache->attr); 6715b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(cache->kobj, &cache->attr); 6725b5c4e40SEvgeny Pinchuk if (ret < 0) 6735b5c4e40SEvgeny Pinchuk return ret; 6745b5c4e40SEvgeny Pinchuk i++; 6755b5c4e40SEvgeny Pinchuk } 6765b5c4e40SEvgeny Pinchuk 6775b5c4e40SEvgeny Pinchuk i = 0; 6785b5c4e40SEvgeny Pinchuk list_for_each_entry(iolink, &dev->io_link_props, list) { 6795b5c4e40SEvgeny Pinchuk iolink->kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL); 6805b5c4e40SEvgeny Pinchuk if (!iolink->kobj) 6815b5c4e40SEvgeny Pinchuk return -ENOMEM; 6825b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(iolink->kobj, &iolink_type, 6835b5c4e40SEvgeny Pinchuk dev->kobj_iolink, "%d", i); 6845b5c4e40SEvgeny Pinchuk if (ret < 0) 6855b5c4e40SEvgeny Pinchuk return ret; 6865b5c4e40SEvgeny Pinchuk 6875b5c4e40SEvgeny Pinchuk iolink->attr.name = "properties"; 6885b5c4e40SEvgeny Pinchuk iolink->attr.mode = KFD_SYSFS_FILE_MODE; 6895b5c4e40SEvgeny Pinchuk sysfs_attr_init(&iolink->attr); 6905b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(iolink->kobj, &iolink->attr); 6915b5c4e40SEvgeny Pinchuk if (ret < 0) 6925b5c4e40SEvgeny Pinchuk return ret; 6935b5c4e40SEvgeny Pinchuk i++; 6945b5c4e40SEvgeny Pinchuk } 6955b5c4e40SEvgeny Pinchuk 696f4757347SAmber Lin /* All hardware blocks have the same number of attributes. */ 6973f866f5fSGustavo A. R. Silva num_attrs = ARRAY_SIZE(perf_attr_iommu); 698f4757347SAmber Lin list_for_each_entry(perf, &dev->perf_props, list) { 699f4757347SAmber Lin perf->attr_group = kzalloc(sizeof(struct kfd_perf_attr) 700f4757347SAmber Lin * num_attrs + sizeof(struct attribute_group), 701f4757347SAmber Lin GFP_KERNEL); 702f4757347SAmber Lin if (!perf->attr_group) 703f4757347SAmber Lin return -ENOMEM; 704f4757347SAmber Lin 705f4757347SAmber Lin attrs = (struct attribute **)(perf->attr_group + 1); 706f4757347SAmber Lin if (!strcmp(perf->block_name, "iommu")) { 707f4757347SAmber Lin /* Information of IOMMU's num_counters and counter_ids is shown 708f4757347SAmber Lin * under /sys/bus/event_source/devices/amd_iommu. We don't 709f4757347SAmber Lin * duplicate here. 710f4757347SAmber Lin */ 711f4757347SAmber Lin perf_attr_iommu[0].data = perf->max_concurrent; 712f4757347SAmber Lin for (i = 0; i < num_attrs; i++) 713f4757347SAmber Lin attrs[i] = &perf_attr_iommu[i].attr.attr; 714f4757347SAmber Lin } 715f4757347SAmber Lin perf->attr_group->name = perf->block_name; 716f4757347SAmber Lin perf->attr_group->attrs = attrs; 717f4757347SAmber Lin ret = sysfs_create_group(dev->kobj_perf, perf->attr_group); 718f4757347SAmber Lin if (ret < 0) 719f4757347SAmber Lin return ret; 720f4757347SAmber Lin } 721f4757347SAmber Lin 7225b5c4e40SEvgeny Pinchuk return 0; 7235b5c4e40SEvgeny Pinchuk } 7245b5c4e40SEvgeny Pinchuk 7253a87177eSHarish Kasiviswanathan /* Called with write topology lock acquired */ 7265b5c4e40SEvgeny Pinchuk static int kfd_build_sysfs_node_tree(void) 7275b5c4e40SEvgeny Pinchuk { 7285b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 7295b5c4e40SEvgeny Pinchuk int ret; 7305b5c4e40SEvgeny Pinchuk uint32_t i = 0; 7315b5c4e40SEvgeny Pinchuk 7325b5c4e40SEvgeny Pinchuk list_for_each_entry(dev, &topology_device_list, list) { 7338dfead6cSBen Goz ret = kfd_build_sysfs_node_entry(dev, i); 7345b5c4e40SEvgeny Pinchuk if (ret < 0) 7355b5c4e40SEvgeny Pinchuk return ret; 7365b5c4e40SEvgeny Pinchuk i++; 7375b5c4e40SEvgeny Pinchuk } 7385b5c4e40SEvgeny Pinchuk 7395b5c4e40SEvgeny Pinchuk return 0; 7405b5c4e40SEvgeny Pinchuk } 7415b5c4e40SEvgeny Pinchuk 7423a87177eSHarish Kasiviswanathan /* Called with write topology lock acquired */ 7435b5c4e40SEvgeny Pinchuk static void kfd_remove_sysfs_node_tree(void) 7445b5c4e40SEvgeny Pinchuk { 7455b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 7465b5c4e40SEvgeny Pinchuk 7475b5c4e40SEvgeny Pinchuk list_for_each_entry(dev, &topology_device_list, list) 7485b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_entry(dev); 7495b5c4e40SEvgeny Pinchuk } 7505b5c4e40SEvgeny Pinchuk 7515b5c4e40SEvgeny Pinchuk static int kfd_topology_update_sysfs(void) 7525b5c4e40SEvgeny Pinchuk { 7535b5c4e40SEvgeny Pinchuk int ret; 7545b5c4e40SEvgeny Pinchuk 7555b5c4e40SEvgeny Pinchuk pr_info("Creating topology SYSFS entries\n"); 7564eacc26bSKent Russell if (!sys_props.kobj_topology) { 7575b5c4e40SEvgeny Pinchuk sys_props.kobj_topology = 7585b5c4e40SEvgeny Pinchuk kfd_alloc_struct(sys_props.kobj_topology); 7595b5c4e40SEvgeny Pinchuk if (!sys_props.kobj_topology) 7605b5c4e40SEvgeny Pinchuk return -ENOMEM; 7615b5c4e40SEvgeny Pinchuk 7625b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(sys_props.kobj_topology, 7635b5c4e40SEvgeny Pinchuk &sysprops_type, &kfd_device->kobj, 7645b5c4e40SEvgeny Pinchuk "topology"); 7655b5c4e40SEvgeny Pinchuk if (ret < 0) 7665b5c4e40SEvgeny Pinchuk return ret; 7675b5c4e40SEvgeny Pinchuk 7685b5c4e40SEvgeny Pinchuk sys_props.kobj_nodes = kobject_create_and_add("nodes", 7695b5c4e40SEvgeny Pinchuk sys_props.kobj_topology); 7705b5c4e40SEvgeny Pinchuk if (!sys_props.kobj_nodes) 7715b5c4e40SEvgeny Pinchuk return -ENOMEM; 7725b5c4e40SEvgeny Pinchuk 7735b5c4e40SEvgeny Pinchuk sys_props.attr_genid.name = "generation_id"; 7745b5c4e40SEvgeny Pinchuk sys_props.attr_genid.mode = KFD_SYSFS_FILE_MODE; 7755b5c4e40SEvgeny Pinchuk sysfs_attr_init(&sys_props.attr_genid); 7765b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(sys_props.kobj_topology, 7775b5c4e40SEvgeny Pinchuk &sys_props.attr_genid); 7785b5c4e40SEvgeny Pinchuk if (ret < 0) 7795b5c4e40SEvgeny Pinchuk return ret; 7805b5c4e40SEvgeny Pinchuk 7815b5c4e40SEvgeny Pinchuk sys_props.attr_props.name = "system_properties"; 7825b5c4e40SEvgeny Pinchuk sys_props.attr_props.mode = KFD_SYSFS_FILE_MODE; 7835b5c4e40SEvgeny Pinchuk sysfs_attr_init(&sys_props.attr_props); 7845b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(sys_props.kobj_topology, 7855b5c4e40SEvgeny Pinchuk &sys_props.attr_props); 7865b5c4e40SEvgeny Pinchuk if (ret < 0) 7875b5c4e40SEvgeny Pinchuk return ret; 7885b5c4e40SEvgeny Pinchuk } 7895b5c4e40SEvgeny Pinchuk 7905b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_tree(); 7915b5c4e40SEvgeny Pinchuk 7925b5c4e40SEvgeny Pinchuk return kfd_build_sysfs_node_tree(); 7935b5c4e40SEvgeny Pinchuk } 7945b5c4e40SEvgeny Pinchuk 7955b5c4e40SEvgeny Pinchuk static void kfd_topology_release_sysfs(void) 7965b5c4e40SEvgeny Pinchuk { 7975b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_tree(); 7985b5c4e40SEvgeny Pinchuk if (sys_props.kobj_topology) { 7995b5c4e40SEvgeny Pinchuk sysfs_remove_file(sys_props.kobj_topology, 8005b5c4e40SEvgeny Pinchuk &sys_props.attr_genid); 8015b5c4e40SEvgeny Pinchuk sysfs_remove_file(sys_props.kobj_topology, 8025b5c4e40SEvgeny Pinchuk &sys_props.attr_props); 8035b5c4e40SEvgeny Pinchuk if (sys_props.kobj_nodes) { 8045b5c4e40SEvgeny Pinchuk kobject_del(sys_props.kobj_nodes); 8055b5c4e40SEvgeny Pinchuk kobject_put(sys_props.kobj_nodes); 80616b9201cSOded Gabbay sys_props.kobj_nodes = NULL; 8075b5c4e40SEvgeny Pinchuk } 8085b5c4e40SEvgeny Pinchuk kobject_del(sys_props.kobj_topology); 8095b5c4e40SEvgeny Pinchuk kobject_put(sys_props.kobj_topology); 81016b9201cSOded Gabbay sys_props.kobj_topology = NULL; 8115b5c4e40SEvgeny Pinchuk } 8125b5c4e40SEvgeny Pinchuk } 8135b5c4e40SEvgeny Pinchuk 8144f449311SHarish Kasiviswanathan /* Called with write topology_lock acquired */ 8154f449311SHarish Kasiviswanathan static void kfd_topology_update_device_list(struct list_head *temp_list, 8164f449311SHarish Kasiviswanathan struct list_head *master_list) 8174f449311SHarish Kasiviswanathan { 8184f449311SHarish Kasiviswanathan while (!list_empty(temp_list)) { 8194f449311SHarish Kasiviswanathan list_move_tail(temp_list->next, master_list); 8204f449311SHarish Kasiviswanathan sys_props.num_devices++; 8214f449311SHarish Kasiviswanathan } 8224f449311SHarish Kasiviswanathan } 8234f449311SHarish Kasiviswanathan 824520b8fb7SFelix Kuehling static void kfd_debug_print_topology(void) 825520b8fb7SFelix Kuehling { 826520b8fb7SFelix Kuehling struct kfd_topology_device *dev; 827520b8fb7SFelix Kuehling 828520b8fb7SFelix Kuehling down_read(&topology_lock); 829520b8fb7SFelix Kuehling 830520b8fb7SFelix Kuehling dev = list_last_entry(&topology_device_list, 831520b8fb7SFelix Kuehling struct kfd_topology_device, list); 832520b8fb7SFelix Kuehling if (dev) { 833520b8fb7SFelix Kuehling if (dev->node_props.cpu_cores_count && 834520b8fb7SFelix Kuehling dev->node_props.simd_count) { 835520b8fb7SFelix Kuehling pr_info("Topology: Add APU node [0x%0x:0x%0x]\n", 836520b8fb7SFelix Kuehling dev->node_props.device_id, 837520b8fb7SFelix Kuehling dev->node_props.vendor_id); 838520b8fb7SFelix Kuehling } else if (dev->node_props.cpu_cores_count) 839520b8fb7SFelix Kuehling pr_info("Topology: Add CPU node\n"); 840520b8fb7SFelix Kuehling else if (dev->node_props.simd_count) 841520b8fb7SFelix Kuehling pr_info("Topology: Add dGPU node [0x%0x:0x%0x]\n", 842520b8fb7SFelix Kuehling dev->node_props.device_id, 843520b8fb7SFelix Kuehling dev->node_props.vendor_id); 844520b8fb7SFelix Kuehling } 845520b8fb7SFelix Kuehling up_read(&topology_lock); 846520b8fb7SFelix Kuehling } 847520b8fb7SFelix Kuehling 848520b8fb7SFelix Kuehling /* Helper function for intializing platform_xx members of 849520b8fb7SFelix Kuehling * kfd_system_properties. Uses OEM info from the last CPU/APU node. 850520b8fb7SFelix Kuehling */ 851520b8fb7SFelix Kuehling static void kfd_update_system_properties(void) 852520b8fb7SFelix Kuehling { 853520b8fb7SFelix Kuehling struct kfd_topology_device *dev; 854520b8fb7SFelix Kuehling 855520b8fb7SFelix Kuehling down_read(&topology_lock); 856520b8fb7SFelix Kuehling dev = list_last_entry(&topology_device_list, 857520b8fb7SFelix Kuehling struct kfd_topology_device, list); 858520b8fb7SFelix Kuehling if (dev) { 859520b8fb7SFelix Kuehling sys_props.platform_id = 860520b8fb7SFelix Kuehling (*((uint64_t *)dev->oem_id)) & CRAT_OEMID_64BIT_MASK; 861520b8fb7SFelix Kuehling sys_props.platform_oem = *((uint64_t *)dev->oem_table_id); 862520b8fb7SFelix Kuehling sys_props.platform_rev = dev->oem_revision; 863520b8fb7SFelix Kuehling } 864520b8fb7SFelix Kuehling up_read(&topology_lock); 865520b8fb7SFelix Kuehling } 866520b8fb7SFelix Kuehling 867520b8fb7SFelix Kuehling static void find_system_memory(const struct dmi_header *dm, 868520b8fb7SFelix Kuehling void *private) 869520b8fb7SFelix Kuehling { 870520b8fb7SFelix Kuehling struct kfd_mem_properties *mem; 871520b8fb7SFelix Kuehling u16 mem_width, mem_clock; 872520b8fb7SFelix Kuehling struct kfd_topology_device *kdev = 873520b8fb7SFelix Kuehling (struct kfd_topology_device *)private; 874520b8fb7SFelix Kuehling const u8 *dmi_data = (const u8 *)(dm + 1); 875520b8fb7SFelix Kuehling 876520b8fb7SFelix Kuehling if (dm->type == DMI_ENTRY_MEM_DEVICE && dm->length >= 0x15) { 877520b8fb7SFelix Kuehling mem_width = (u16)(*(const u16 *)(dmi_data + 0x6)); 878520b8fb7SFelix Kuehling mem_clock = (u16)(*(const u16 *)(dmi_data + 0x11)); 879520b8fb7SFelix Kuehling list_for_each_entry(mem, &kdev->mem_props, list) { 880520b8fb7SFelix Kuehling if (mem_width != 0xFFFF && mem_width != 0) 881520b8fb7SFelix Kuehling mem->width = mem_width; 882520b8fb7SFelix Kuehling if (mem_clock != 0) 883520b8fb7SFelix Kuehling mem->mem_clk_max = mem_clock; 884520b8fb7SFelix Kuehling } 885520b8fb7SFelix Kuehling } 886520b8fb7SFelix Kuehling } 887f4757347SAmber Lin 888f4757347SAmber Lin /* 889f4757347SAmber Lin * Performance counters information is not part of CRAT but we would like to 890f4757347SAmber Lin * put them in the sysfs under topology directory for Thunk to get the data. 891f4757347SAmber Lin * This function is called before updating the sysfs. 892f4757347SAmber Lin */ 893f4757347SAmber Lin static int kfd_add_perf_to_topology(struct kfd_topology_device *kdev) 894f4757347SAmber Lin { 89564d1c3a4SFelix Kuehling /* These are the only counters supported so far */ 89664d1c3a4SFelix Kuehling return kfd_iommu_add_perf_counters(kdev); 897f4757347SAmber Lin } 898f4757347SAmber Lin 899520b8fb7SFelix Kuehling /* kfd_add_non_crat_information - Add information that is not currently 900520b8fb7SFelix Kuehling * defined in CRAT but is necessary for KFD topology 901520b8fb7SFelix Kuehling * @dev - topology device to which addition info is added 902520b8fb7SFelix Kuehling */ 903520b8fb7SFelix Kuehling static void kfd_add_non_crat_information(struct kfd_topology_device *kdev) 904520b8fb7SFelix Kuehling { 905520b8fb7SFelix Kuehling /* Check if CPU only node. */ 906520b8fb7SFelix Kuehling if (!kdev->gpu) { 907520b8fb7SFelix Kuehling /* Add system memory information */ 908520b8fb7SFelix Kuehling dmi_walk(find_system_memory, kdev); 909520b8fb7SFelix Kuehling } 910520b8fb7SFelix Kuehling /* TODO: For GPU node, rearrange code from kfd_topology_add_device */ 911520b8fb7SFelix Kuehling } 912520b8fb7SFelix Kuehling 913b441093eSHarish Kasiviswanathan /* kfd_is_acpi_crat_invalid - CRAT from ACPI is valid only for AMD APU devices. 914b441093eSHarish Kasiviswanathan * Ignore CRAT for all other devices. AMD APU is identified if both CPU 915b441093eSHarish Kasiviswanathan * and GPU cores are present. 916b441093eSHarish Kasiviswanathan * @device_list - topology device list created by parsing ACPI CRAT table. 917b441093eSHarish Kasiviswanathan * @return - TRUE if invalid, FALSE is valid. 918b441093eSHarish Kasiviswanathan */ 919b441093eSHarish Kasiviswanathan static bool kfd_is_acpi_crat_invalid(struct list_head *device_list) 920b441093eSHarish Kasiviswanathan { 921b441093eSHarish Kasiviswanathan struct kfd_topology_device *dev; 922b441093eSHarish Kasiviswanathan 923b441093eSHarish Kasiviswanathan list_for_each_entry(dev, device_list, list) { 924b441093eSHarish Kasiviswanathan if (dev->node_props.cpu_cores_count && 925b441093eSHarish Kasiviswanathan dev->node_props.simd_count) 926b441093eSHarish Kasiviswanathan return false; 927b441093eSHarish Kasiviswanathan } 928b441093eSHarish Kasiviswanathan pr_info("Ignoring ACPI CRAT on non-APU system\n"); 929b441093eSHarish Kasiviswanathan return true; 930b441093eSHarish Kasiviswanathan } 931b441093eSHarish Kasiviswanathan 9325b5c4e40SEvgeny Pinchuk int kfd_topology_init(void) 9335b5c4e40SEvgeny Pinchuk { 93416b9201cSOded Gabbay void *crat_image = NULL; 9355b5c4e40SEvgeny Pinchuk size_t image_size = 0; 9365b5c4e40SEvgeny Pinchuk int ret; 9374f449311SHarish Kasiviswanathan struct list_head temp_topology_device_list; 938520b8fb7SFelix Kuehling int cpu_only_node = 0; 939520b8fb7SFelix Kuehling struct kfd_topology_device *kdev; 940520b8fb7SFelix Kuehling int proximity_domain; 9415b5c4e40SEvgeny Pinchuk 9424f449311SHarish Kasiviswanathan /* topology_device_list - Master list of all topology devices 9434f449311SHarish Kasiviswanathan * temp_topology_device_list - temporary list created while parsing CRAT 9444f449311SHarish Kasiviswanathan * or VCRAT. Once parsing is complete the contents of list is moved to 9454f449311SHarish Kasiviswanathan * topology_device_list 9465b5c4e40SEvgeny Pinchuk */ 9474f449311SHarish Kasiviswanathan 9484f449311SHarish Kasiviswanathan /* Initialize the head for the both the lists */ 9495b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&topology_device_list); 9504f449311SHarish Kasiviswanathan INIT_LIST_HEAD(&temp_topology_device_list); 9515b5c4e40SEvgeny Pinchuk init_rwsem(&topology_lock); 9525b5c4e40SEvgeny Pinchuk 9535b5c4e40SEvgeny Pinchuk memset(&sys_props, 0, sizeof(sys_props)); 9545b5c4e40SEvgeny Pinchuk 955520b8fb7SFelix Kuehling /* Proximity domains in ACPI CRAT tables start counting at 956520b8fb7SFelix Kuehling * 0. The same should be true for virtual CRAT tables created 957520b8fb7SFelix Kuehling * at this stage. GPUs added later in kfd_topology_add_device 958520b8fb7SFelix Kuehling * use a counter. 959520b8fb7SFelix Kuehling */ 960520b8fb7SFelix Kuehling proximity_domain = 0; 961520b8fb7SFelix Kuehling 9625b5c4e40SEvgeny Pinchuk /* 963520b8fb7SFelix Kuehling * Get the CRAT image from the ACPI. If ACPI doesn't have one 964b441093eSHarish Kasiviswanathan * or if ACPI CRAT is invalid create a virtual CRAT. 965520b8fb7SFelix Kuehling * NOTE: The current implementation expects all AMD APUs to have 966520b8fb7SFelix Kuehling * CRAT. If no CRAT is available, it is assumed to be a CPU 9675b5c4e40SEvgeny Pinchuk */ 9688e05247dSHarish Kasiviswanathan ret = kfd_create_crat_image_acpi(&crat_image, &image_size); 9698e05247dSHarish Kasiviswanathan if (!ret) { 9704f449311SHarish Kasiviswanathan ret = kfd_parse_crat_table(crat_image, 971520b8fb7SFelix Kuehling &temp_topology_device_list, 972520b8fb7SFelix Kuehling proximity_domain); 973b441093eSHarish Kasiviswanathan if (ret || 974b441093eSHarish Kasiviswanathan kfd_is_acpi_crat_invalid(&temp_topology_device_list)) { 975520b8fb7SFelix Kuehling kfd_release_topology_device_list( 976520b8fb7SFelix Kuehling &temp_topology_device_list); 977520b8fb7SFelix Kuehling kfd_destroy_crat_image(crat_image); 978520b8fb7SFelix Kuehling crat_image = NULL; 979520b8fb7SFelix Kuehling } 980520b8fb7SFelix Kuehling } 981520b8fb7SFelix Kuehling 982520b8fb7SFelix Kuehling if (!crat_image) { 983520b8fb7SFelix Kuehling ret = kfd_create_crat_image_virtual(&crat_image, &image_size, 984520b8fb7SFelix Kuehling COMPUTE_UNIT_CPU, NULL, 985520b8fb7SFelix Kuehling proximity_domain); 986520b8fb7SFelix Kuehling cpu_only_node = 1; 987520b8fb7SFelix Kuehling if (ret) { 988520b8fb7SFelix Kuehling pr_err("Error creating VCRAT table for CPU\n"); 989520b8fb7SFelix Kuehling return ret; 990520b8fb7SFelix Kuehling } 991520b8fb7SFelix Kuehling 992520b8fb7SFelix Kuehling ret = kfd_parse_crat_table(crat_image, 993520b8fb7SFelix Kuehling &temp_topology_device_list, 994520b8fb7SFelix Kuehling proximity_domain); 995520b8fb7SFelix Kuehling if (ret) { 996520b8fb7SFelix Kuehling pr_err("Error parsing VCRAT table for CPU\n"); 9978e05247dSHarish Kasiviswanathan goto err; 998520b8fb7SFelix Kuehling } 9995b5c4e40SEvgeny Pinchuk } 10005b5c4e40SEvgeny Pinchuk 1001f4757347SAmber Lin kdev = list_first_entry(&temp_topology_device_list, 1002f4757347SAmber Lin struct kfd_topology_device, list); 1003f4757347SAmber Lin kfd_add_perf_to_topology(kdev); 1004f4757347SAmber Lin 10055b5c4e40SEvgeny Pinchuk down_write(&topology_lock); 10064f449311SHarish Kasiviswanathan kfd_topology_update_device_list(&temp_topology_device_list, 10074f449311SHarish Kasiviswanathan &topology_device_list); 1008520b8fb7SFelix Kuehling atomic_set(&topology_crat_proximity_domain, sys_props.num_devices-1); 10095b5c4e40SEvgeny Pinchuk ret = kfd_topology_update_sysfs(); 10105b5c4e40SEvgeny Pinchuk up_write(&topology_lock); 10118e05247dSHarish Kasiviswanathan 10124f449311SHarish Kasiviswanathan if (!ret) { 10134f449311SHarish Kasiviswanathan sys_props.generation_count++; 1014520b8fb7SFelix Kuehling kfd_update_system_properties(); 1015520b8fb7SFelix Kuehling kfd_debug_print_topology(); 10168e05247dSHarish Kasiviswanathan pr_info("Finished initializing topology\n"); 10174f449311SHarish Kasiviswanathan } else 10188e05247dSHarish Kasiviswanathan pr_err("Failed to update topology in sysfs ret=%d\n", ret); 10195b5c4e40SEvgeny Pinchuk 1020520b8fb7SFelix Kuehling /* For nodes with GPU, this information gets added 1021520b8fb7SFelix Kuehling * when GPU is detected (kfd_topology_add_device). 1022520b8fb7SFelix Kuehling */ 1023520b8fb7SFelix Kuehling if (cpu_only_node) { 1024520b8fb7SFelix Kuehling /* Add additional information to CPU only node created above */ 1025520b8fb7SFelix Kuehling down_write(&topology_lock); 1026520b8fb7SFelix Kuehling kdev = list_first_entry(&topology_device_list, 1027520b8fb7SFelix Kuehling struct kfd_topology_device, list); 1028520b8fb7SFelix Kuehling up_write(&topology_lock); 1029520b8fb7SFelix Kuehling kfd_add_non_crat_information(kdev); 1030520b8fb7SFelix Kuehling } 1031520b8fb7SFelix Kuehling 10325b5c4e40SEvgeny Pinchuk err: 10338e05247dSHarish Kasiviswanathan kfd_destroy_crat_image(crat_image); 10345b5c4e40SEvgeny Pinchuk return ret; 10355b5c4e40SEvgeny Pinchuk } 10365b5c4e40SEvgeny Pinchuk 10375b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void) 10385b5c4e40SEvgeny Pinchuk { 10394f449311SHarish Kasiviswanathan down_write(&topology_lock); 10405b5c4e40SEvgeny Pinchuk kfd_topology_release_sysfs(); 10415b5c4e40SEvgeny Pinchuk kfd_release_live_view(); 10424f449311SHarish Kasiviswanathan up_write(&topology_lock); 10435b5c4e40SEvgeny Pinchuk } 10445b5c4e40SEvgeny Pinchuk 10455b5c4e40SEvgeny Pinchuk static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu) 10465b5c4e40SEvgeny Pinchuk { 10475b5c4e40SEvgeny Pinchuk uint32_t hashout; 10485b5c4e40SEvgeny Pinchuk uint32_t buf[7]; 1049585f0e6cSEdward O'Callaghan uint64_t local_mem_size; 10505b5c4e40SEvgeny Pinchuk int i; 10510504cccfSHarish Kasiviswanathan struct kfd_local_mem_info local_mem_info; 10525b5c4e40SEvgeny Pinchuk 10535b5c4e40SEvgeny Pinchuk if (!gpu) 10545b5c4e40SEvgeny Pinchuk return 0; 10555b5c4e40SEvgeny Pinchuk 10567cd52c91SAmber Lin amdgpu_amdkfd_get_local_mem_info(gpu->kgd, &local_mem_info); 10570504cccfSHarish Kasiviswanathan 10580504cccfSHarish Kasiviswanathan local_mem_size = local_mem_info.local_mem_size_private + 10590504cccfSHarish Kasiviswanathan local_mem_info.local_mem_size_public; 1060585f0e6cSEdward O'Callaghan 10615b5c4e40SEvgeny Pinchuk buf[0] = gpu->pdev->devfn; 10625b5c4e40SEvgeny Pinchuk buf[1] = gpu->pdev->subsystem_vendor; 10635b5c4e40SEvgeny Pinchuk buf[2] = gpu->pdev->subsystem_device; 10645b5c4e40SEvgeny Pinchuk buf[3] = gpu->pdev->device; 10655b5c4e40SEvgeny Pinchuk buf[4] = gpu->pdev->bus->number; 1066585f0e6cSEdward O'Callaghan buf[5] = lower_32_bits(local_mem_size); 1067585f0e6cSEdward O'Callaghan buf[6] = upper_32_bits(local_mem_size); 10685b5c4e40SEvgeny Pinchuk 10695b5c4e40SEvgeny Pinchuk for (i = 0, hashout = 0; i < 7; i++) 10705b5c4e40SEvgeny Pinchuk hashout ^= hash_32(buf[i], KFD_GPU_ID_HASH_WIDTH); 10715b5c4e40SEvgeny Pinchuk 10725b5c4e40SEvgeny Pinchuk return hashout; 10735b5c4e40SEvgeny Pinchuk } 10743a87177eSHarish Kasiviswanathan /* kfd_assign_gpu - Attach @gpu to the correct kfd topology device. If 10753a87177eSHarish Kasiviswanathan * the GPU device is not already present in the topology device 10763a87177eSHarish Kasiviswanathan * list then return NULL. This means a new topology device has to 10773a87177eSHarish Kasiviswanathan * be created for this GPU. 10783a87177eSHarish Kasiviswanathan * TODO: Rather than assiging @gpu to first topology device withtout 10793a87177eSHarish Kasiviswanathan * gpu attached, it will better to have more stringent check. 10803a87177eSHarish Kasiviswanathan */ 10815b5c4e40SEvgeny Pinchuk static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu) 10825b5c4e40SEvgeny Pinchuk { 10835b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 108416b9201cSOded Gabbay struct kfd_topology_device *out_dev = NULL; 10855b5c4e40SEvgeny Pinchuk 10863a87177eSHarish Kasiviswanathan down_write(&topology_lock); 10875b5c4e40SEvgeny Pinchuk list_for_each_entry(dev, &topology_device_list, list) 10884eacc26bSKent Russell if (!dev->gpu && (dev->node_props.simd_count > 0)) { 10895b5c4e40SEvgeny Pinchuk dev->gpu = gpu; 10905b5c4e40SEvgeny Pinchuk out_dev = dev; 10915b5c4e40SEvgeny Pinchuk break; 10925b5c4e40SEvgeny Pinchuk } 10933a87177eSHarish Kasiviswanathan up_write(&topology_lock); 10945b5c4e40SEvgeny Pinchuk return out_dev; 10955b5c4e40SEvgeny Pinchuk } 10965b5c4e40SEvgeny Pinchuk 10975b5c4e40SEvgeny Pinchuk static void kfd_notify_gpu_change(uint32_t gpu_id, int arrival) 10985b5c4e40SEvgeny Pinchuk { 10995b5c4e40SEvgeny Pinchuk /* 11005b5c4e40SEvgeny Pinchuk * TODO: Generate an event for thunk about the arrival/removal 11015b5c4e40SEvgeny Pinchuk * of the GPU 11025b5c4e40SEvgeny Pinchuk */ 11035b5c4e40SEvgeny Pinchuk } 11045b5c4e40SEvgeny Pinchuk 11053a87177eSHarish Kasiviswanathan /* kfd_fill_mem_clk_max_info - Since CRAT doesn't have memory clock info, 11063a87177eSHarish Kasiviswanathan * patch this after CRAT parsing. 11073a87177eSHarish Kasiviswanathan */ 11083a87177eSHarish Kasiviswanathan static void kfd_fill_mem_clk_max_info(struct kfd_topology_device *dev) 11093a87177eSHarish Kasiviswanathan { 11103a87177eSHarish Kasiviswanathan struct kfd_mem_properties *mem; 11113a87177eSHarish Kasiviswanathan struct kfd_local_mem_info local_mem_info; 11123a87177eSHarish Kasiviswanathan 11133a87177eSHarish Kasiviswanathan if (!dev) 11143a87177eSHarish Kasiviswanathan return; 11153a87177eSHarish Kasiviswanathan 11163a87177eSHarish Kasiviswanathan /* Currently, amdgpu driver (amdgpu_mc) deals only with GPUs with 11173a87177eSHarish Kasiviswanathan * single bank of VRAM local memory. 11183a87177eSHarish Kasiviswanathan * for dGPUs - VCRAT reports only one bank of Local Memory 11193a87177eSHarish Kasiviswanathan * for APUs - If CRAT from ACPI reports more than one bank, then 11203a87177eSHarish Kasiviswanathan * all the banks will report the same mem_clk_max information 11213a87177eSHarish Kasiviswanathan */ 11227cd52c91SAmber Lin amdgpu_amdkfd_get_local_mem_info(dev->gpu->kgd, &local_mem_info); 11233a87177eSHarish Kasiviswanathan 11243a87177eSHarish Kasiviswanathan list_for_each_entry(mem, &dev->mem_props, list) 11253a87177eSHarish Kasiviswanathan mem->mem_clk_max = local_mem_info.mem_clk_max; 11263a87177eSHarish Kasiviswanathan } 11273a87177eSHarish Kasiviswanathan 11283a87177eSHarish Kasiviswanathan static void kfd_fill_iolink_non_crat_info(struct kfd_topology_device *dev) 11293a87177eSHarish Kasiviswanathan { 1130d35f00d8SEric Huang struct kfd_iolink_properties *link, *cpu_link; 1131d35f00d8SEric Huang struct kfd_topology_device *cpu_dev; 1132d35f00d8SEric Huang uint32_t cap; 1133d35f00d8SEric Huang uint32_t cpu_flag = CRAT_IOLINK_FLAGS_ENABLED; 1134d35f00d8SEric Huang uint32_t flag = CRAT_IOLINK_FLAGS_ENABLED; 11353a87177eSHarish Kasiviswanathan 11363a87177eSHarish Kasiviswanathan if (!dev || !dev->gpu) 11373a87177eSHarish Kasiviswanathan return; 11383a87177eSHarish Kasiviswanathan 1139d35f00d8SEric Huang pcie_capability_read_dword(dev->gpu->pdev, 1140d35f00d8SEric Huang PCI_EXP_DEVCAP2, &cap); 1141d35f00d8SEric Huang 1142d35f00d8SEric Huang if (!(cap & (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | 1143d35f00d8SEric Huang PCI_EXP_DEVCAP2_ATOMIC_COMP64))) 1144d35f00d8SEric Huang cpu_flag |= CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT | 11453a87177eSHarish Kasiviswanathan CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT; 1146d35f00d8SEric Huang 1147d35f00d8SEric Huang if (!dev->gpu->pci_atomic_requested || 1148d35f00d8SEric Huang dev->gpu->device_info->asic_family == CHIP_HAWAII) 1149d35f00d8SEric Huang flag |= CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT | 1150d35f00d8SEric Huang CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT; 1151d35f00d8SEric Huang 1152d35f00d8SEric Huang /* GPU only creates direct links so apply flags setting to all */ 1153d35f00d8SEric Huang list_for_each_entry(link, &dev->io_link_props, list) { 1154d35f00d8SEric Huang link->flags = flag; 1155d35f00d8SEric Huang cpu_dev = kfd_topology_device_by_proximity_domain( 1156d35f00d8SEric Huang link->node_to); 1157d35f00d8SEric Huang if (cpu_dev) { 1158d35f00d8SEric Huang list_for_each_entry(cpu_link, 1159d35f00d8SEric Huang &cpu_dev->io_link_props, list) 1160d35f00d8SEric Huang if (cpu_link->node_to == link->node_from) 1161d35f00d8SEric Huang cpu_link->flags = cpu_flag; 1162d35f00d8SEric Huang } 1163d35f00d8SEric Huang } 11643a87177eSHarish Kasiviswanathan } 11653a87177eSHarish Kasiviswanathan 11665b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu) 11675b5c4e40SEvgeny Pinchuk { 11685b5c4e40SEvgeny Pinchuk uint32_t gpu_id; 11695b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 1170f7ce2fadSFlora Cui struct kfd_cu_info cu_info; 11714f449311SHarish Kasiviswanathan int res = 0; 11724f449311SHarish Kasiviswanathan struct list_head temp_topology_device_list; 11733a87177eSHarish Kasiviswanathan void *crat_image = NULL; 11743a87177eSHarish Kasiviswanathan size_t image_size = 0; 11753a87177eSHarish Kasiviswanathan int proximity_domain; 11764f449311SHarish Kasiviswanathan 11774f449311SHarish Kasiviswanathan INIT_LIST_HEAD(&temp_topology_device_list); 11785b5c4e40SEvgeny Pinchuk 11795b5c4e40SEvgeny Pinchuk gpu_id = kfd_generate_gpu_id(gpu); 11805b5c4e40SEvgeny Pinchuk 118179775b62SKent Russell pr_debug("Adding new GPU (ID: 0x%x) to topology\n", gpu_id); 11825b5c4e40SEvgeny Pinchuk 11833a87177eSHarish Kasiviswanathan proximity_domain = atomic_inc_return(&topology_crat_proximity_domain); 11843a87177eSHarish Kasiviswanathan 11853a87177eSHarish Kasiviswanathan /* Check to see if this gpu device exists in the topology_device_list. 11863a87177eSHarish Kasiviswanathan * If so, assign the gpu to that device, 11873a87177eSHarish Kasiviswanathan * else create a Virtual CRAT for this gpu device and then parse that 11883a87177eSHarish Kasiviswanathan * CRAT to create a new topology device. Once created assign the gpu to 11893a87177eSHarish Kasiviswanathan * that topology device 11905b5c4e40SEvgeny Pinchuk */ 11915b5c4e40SEvgeny Pinchuk dev = kfd_assign_gpu(gpu); 11925b5c4e40SEvgeny Pinchuk if (!dev) { 11933a87177eSHarish Kasiviswanathan res = kfd_create_crat_image_virtual(&crat_image, &image_size, 11943a87177eSHarish Kasiviswanathan COMPUTE_UNIT_GPU, gpu, 11953a87177eSHarish Kasiviswanathan proximity_domain); 11963a87177eSHarish Kasiviswanathan if (res) { 11973a87177eSHarish Kasiviswanathan pr_err("Error creating VCRAT for GPU (ID: 0x%x)\n", 11983a87177eSHarish Kasiviswanathan gpu_id); 11993a87177eSHarish Kasiviswanathan return res; 12003a87177eSHarish Kasiviswanathan } 12013a87177eSHarish Kasiviswanathan res = kfd_parse_crat_table(crat_image, 12023a87177eSHarish Kasiviswanathan &temp_topology_device_list, 12033a87177eSHarish Kasiviswanathan proximity_domain); 12043a87177eSHarish Kasiviswanathan if (res) { 12053a87177eSHarish Kasiviswanathan pr_err("Error parsing VCRAT for GPU (ID: 0x%x)\n", 12063a87177eSHarish Kasiviswanathan gpu_id); 12075b5c4e40SEvgeny Pinchuk goto err; 12085b5c4e40SEvgeny Pinchuk } 12094f449311SHarish Kasiviswanathan 12104f449311SHarish Kasiviswanathan down_write(&topology_lock); 12114f449311SHarish Kasiviswanathan kfd_topology_update_device_list(&temp_topology_device_list, 12124f449311SHarish Kasiviswanathan &topology_device_list); 12134f449311SHarish Kasiviswanathan 12148eabaf54SKent Russell /* Update the SYSFS tree, since we added another topology 12158eabaf54SKent Russell * device 12165b5c4e40SEvgeny Pinchuk */ 12173a87177eSHarish Kasiviswanathan res = kfd_topology_update_sysfs(); 12184f449311SHarish Kasiviswanathan up_write(&topology_lock); 12194f449311SHarish Kasiviswanathan 12203a87177eSHarish Kasiviswanathan if (!res) 12213a87177eSHarish Kasiviswanathan sys_props.generation_count++; 12223a87177eSHarish Kasiviswanathan else 12233a87177eSHarish Kasiviswanathan pr_err("Failed to update GPU (ID: 0x%x) to sysfs topology. res=%d\n", 12243a87177eSHarish Kasiviswanathan gpu_id, res); 12253a87177eSHarish Kasiviswanathan dev = kfd_assign_gpu(gpu); 12263a87177eSHarish Kasiviswanathan if (WARN_ON(!dev)) { 12273a87177eSHarish Kasiviswanathan res = -ENODEV; 12283a87177eSHarish Kasiviswanathan goto err; 12293a87177eSHarish Kasiviswanathan } 12305b5c4e40SEvgeny Pinchuk } 12315b5c4e40SEvgeny Pinchuk 12325b5c4e40SEvgeny Pinchuk dev->gpu_id = gpu_id; 12335b5c4e40SEvgeny Pinchuk gpu->id = gpu_id; 12343a87177eSHarish Kasiviswanathan 12353a87177eSHarish Kasiviswanathan /* TODO: Move the following lines to function 12363a87177eSHarish Kasiviswanathan * kfd_add_non_crat_information 12373a87177eSHarish Kasiviswanathan */ 12383a87177eSHarish Kasiviswanathan 12393a87177eSHarish Kasiviswanathan /* Fill-in additional information that is not available in CRAT but 12403a87177eSHarish Kasiviswanathan * needed for the topology 12413a87177eSHarish Kasiviswanathan */ 12423a87177eSHarish Kasiviswanathan 12437cd52c91SAmber Lin amdgpu_amdkfd_get_cu_info(dev->gpu->kgd, &cu_info); 12443a87177eSHarish Kasiviswanathan dev->node_props.simd_arrays_per_engine = 12453a87177eSHarish Kasiviswanathan cu_info.num_shader_arrays_per_engine; 12463a87177eSHarish Kasiviswanathan 12475b5c4e40SEvgeny Pinchuk dev->node_props.vendor_id = gpu->pdev->vendor; 12485b5c4e40SEvgeny Pinchuk dev->node_props.device_id = gpu->pdev->device; 1249d63f0ba2SHarish Kasiviswanathan dev->node_props.location_id = PCI_DEVID(gpu->pdev->bus->number, 1250d63f0ba2SHarish Kasiviswanathan gpu->pdev->devfn); 12513a87177eSHarish Kasiviswanathan dev->node_props.max_engine_clk_fcompute = 12527cd52c91SAmber Lin amdgpu_amdkfd_get_max_engine_clock_in_mhz(dev->gpu->kgd); 12533a87177eSHarish Kasiviswanathan dev->node_props.max_engine_clk_ccompute = 12543a87177eSHarish Kasiviswanathan cpufreq_quick_get_max(0) / 1000; 12557c9b7171SOak Zeng dev->node_props.drm_render_minor = 12567c9b7171SOak Zeng gpu->shared_resources.drm_render_minor; 12575b5c4e40SEvgeny Pinchuk 12580c1690e3SShaoyun Liu dev->node_props.hive_id = gpu->hive_id; 12590c1690e3SShaoyun Liu 12603a87177eSHarish Kasiviswanathan kfd_fill_mem_clk_max_info(dev); 12613a87177eSHarish Kasiviswanathan kfd_fill_iolink_non_crat_info(dev); 12623a87177eSHarish Kasiviswanathan 12633a87177eSHarish Kasiviswanathan switch (dev->gpu->device_info->asic_family) { 12643a87177eSHarish Kasiviswanathan case CHIP_KAVERI: 12653a87177eSHarish Kasiviswanathan case CHIP_HAWAII: 12663a87177eSHarish Kasiviswanathan case CHIP_TONGA: 12673a87177eSHarish Kasiviswanathan dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_PRE_1_0 << 12683a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & 12693a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); 12703a87177eSHarish Kasiviswanathan break; 12713a87177eSHarish Kasiviswanathan case CHIP_CARRIZO: 12723a87177eSHarish Kasiviswanathan case CHIP_FIJI: 12733a87177eSHarish Kasiviswanathan case CHIP_POLARIS10: 12743a87177eSHarish Kasiviswanathan case CHIP_POLARIS11: 1275846a44d7SGang Ba case CHIP_POLARIS12: 127642aa8793SFelix Kuehling pr_debug("Adding doorbell packet type capability\n"); 12773a87177eSHarish Kasiviswanathan dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_1_0 << 12783a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & 12793a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); 12803a87177eSHarish Kasiviswanathan break; 1281389056e5SFelix Kuehling case CHIP_VEGA10: 1282846a44d7SGang Ba case CHIP_VEGA12: 128322a3a294SShaoyun Liu case CHIP_VEGA20: 1284389056e5SFelix Kuehling case CHIP_RAVEN: 1285389056e5SFelix Kuehling dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_2_0 << 1286389056e5SFelix Kuehling HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & 1287389056e5SFelix Kuehling HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); 1288389056e5SFelix Kuehling break; 12893a87177eSHarish Kasiviswanathan default: 12903a87177eSHarish Kasiviswanathan WARN(1, "Unexpected ASIC family %u", 12913a87177eSHarish Kasiviswanathan dev->gpu->device_info->asic_family); 12927639a8c4SBen Goz } 12937639a8c4SBen Goz 12943a87177eSHarish Kasiviswanathan /* Fix errors in CZ CRAT. 12953a87177eSHarish Kasiviswanathan * simd_count: Carrizo CRAT reports wrong simd_count, probably 12963a87177eSHarish Kasiviswanathan * because it doesn't consider masked out CUs 129770f372bfSPhilip Cox * max_waves_per_simd: Carrizo reports wrong max_waves_per_simd 129870f372bfSPhilip Cox * capability flag: Carrizo CRAT doesn't report IOMMU flags 12993a87177eSHarish Kasiviswanathan */ 130070f372bfSPhilip Cox if (dev->gpu->device_info->asic_family == CHIP_CARRIZO) { 13013a87177eSHarish Kasiviswanathan dev->node_props.simd_count = 13023a87177eSHarish Kasiviswanathan cu_info.simd_per_cu * cu_info.cu_active_number; 130370f372bfSPhilip Cox dev->node_props.max_waves_per_simd = 10; 130470f372bfSPhilip Cox dev->node_props.capability |= HSA_CAP_ATS_PRESENT; 130570f372bfSPhilip Cox } 13063a87177eSHarish Kasiviswanathan 13073a87177eSHarish Kasiviswanathan kfd_debug_print_topology(); 13083a87177eSHarish Kasiviswanathan 13094f449311SHarish Kasiviswanathan if (!res) 13105b5c4e40SEvgeny Pinchuk kfd_notify_gpu_change(gpu_id, 1); 13114f449311SHarish Kasiviswanathan err: 13123a87177eSHarish Kasiviswanathan kfd_destroy_crat_image(crat_image); 13135b5c4e40SEvgeny Pinchuk return res; 13145b5c4e40SEvgeny Pinchuk } 13155b5c4e40SEvgeny Pinchuk 13165b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu) 13175b5c4e40SEvgeny Pinchuk { 13184f449311SHarish Kasiviswanathan struct kfd_topology_device *dev, *tmp; 13195b5c4e40SEvgeny Pinchuk uint32_t gpu_id; 13205b5c4e40SEvgeny Pinchuk int res = -ENODEV; 13215b5c4e40SEvgeny Pinchuk 13225b5c4e40SEvgeny Pinchuk down_write(&topology_lock); 13235b5c4e40SEvgeny Pinchuk 13244f449311SHarish Kasiviswanathan list_for_each_entry_safe(dev, tmp, &topology_device_list, list) 13255b5c4e40SEvgeny Pinchuk if (dev->gpu == gpu) { 13265b5c4e40SEvgeny Pinchuk gpu_id = dev->gpu_id; 13275b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_entry(dev); 13285b5c4e40SEvgeny Pinchuk kfd_release_topology_device(dev); 13294f449311SHarish Kasiviswanathan sys_props.num_devices--; 13305b5c4e40SEvgeny Pinchuk res = 0; 13315b5c4e40SEvgeny Pinchuk if (kfd_topology_update_sysfs() < 0) 13325b5c4e40SEvgeny Pinchuk kfd_topology_release_sysfs(); 13335b5c4e40SEvgeny Pinchuk break; 13345b5c4e40SEvgeny Pinchuk } 13355b5c4e40SEvgeny Pinchuk 13365b5c4e40SEvgeny Pinchuk up_write(&topology_lock); 13375b5c4e40SEvgeny Pinchuk 1338174de876SFelix Kuehling if (!res) 13395b5c4e40SEvgeny Pinchuk kfd_notify_gpu_change(gpu_id, 0); 13405b5c4e40SEvgeny Pinchuk 13415b5c4e40SEvgeny Pinchuk return res; 13425b5c4e40SEvgeny Pinchuk } 13435b5c4e40SEvgeny Pinchuk 13446d82eb0eSHarish Kasiviswanathan /* kfd_topology_enum_kfd_devices - Enumerate through all devices in KFD 13456d82eb0eSHarish Kasiviswanathan * topology. If GPU device is found @idx, then valid kfd_dev pointer is 13466d82eb0eSHarish Kasiviswanathan * returned through @kdev 13476d82eb0eSHarish Kasiviswanathan * Return - 0: On success (@kdev will be NULL for non GPU nodes) 13486d82eb0eSHarish Kasiviswanathan * -1: If end of list 13495b5c4e40SEvgeny Pinchuk */ 13506d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev) 13515b5c4e40SEvgeny Pinchuk { 13525b5c4e40SEvgeny Pinchuk 13535b5c4e40SEvgeny Pinchuk struct kfd_topology_device *top_dev; 13545b5c4e40SEvgeny Pinchuk uint8_t device_idx = 0; 13555b5c4e40SEvgeny Pinchuk 13566d82eb0eSHarish Kasiviswanathan *kdev = NULL; 13575b5c4e40SEvgeny Pinchuk down_read(&topology_lock); 13585b5c4e40SEvgeny Pinchuk 13595b5c4e40SEvgeny Pinchuk list_for_each_entry(top_dev, &topology_device_list, list) { 13605b5c4e40SEvgeny Pinchuk if (device_idx == idx) { 13616d82eb0eSHarish Kasiviswanathan *kdev = top_dev->gpu; 13626d82eb0eSHarish Kasiviswanathan up_read(&topology_lock); 13636d82eb0eSHarish Kasiviswanathan return 0; 13645b5c4e40SEvgeny Pinchuk } 13655b5c4e40SEvgeny Pinchuk 13665b5c4e40SEvgeny Pinchuk device_idx++; 13675b5c4e40SEvgeny Pinchuk } 13685b5c4e40SEvgeny Pinchuk 13695b5c4e40SEvgeny Pinchuk up_read(&topology_lock); 13705b5c4e40SEvgeny Pinchuk 13716d82eb0eSHarish Kasiviswanathan return -1; 13725b5c4e40SEvgeny Pinchuk 13735b5c4e40SEvgeny Pinchuk } 1374851a645eSFelix Kuehling 1375520b8fb7SFelix Kuehling static int kfd_cpumask_to_apic_id(const struct cpumask *cpumask) 1376520b8fb7SFelix Kuehling { 1377520b8fb7SFelix Kuehling const struct cpuinfo_x86 *cpuinfo; 1378520b8fb7SFelix Kuehling int first_cpu_of_numa_node; 1379520b8fb7SFelix Kuehling 1380520b8fb7SFelix Kuehling if (!cpumask || cpumask == cpu_none_mask) 1381520b8fb7SFelix Kuehling return -1; 1382520b8fb7SFelix Kuehling first_cpu_of_numa_node = cpumask_first(cpumask); 1383520b8fb7SFelix Kuehling if (first_cpu_of_numa_node >= nr_cpu_ids) 1384520b8fb7SFelix Kuehling return -1; 1385520b8fb7SFelix Kuehling cpuinfo = &cpu_data(first_cpu_of_numa_node); 1386520b8fb7SFelix Kuehling 1387520b8fb7SFelix Kuehling return cpuinfo->apicid; 1388520b8fb7SFelix Kuehling } 1389520b8fb7SFelix Kuehling 1390520b8fb7SFelix Kuehling /* kfd_numa_node_to_apic_id - Returns the APIC ID of the first logical processor 1391520b8fb7SFelix Kuehling * of the given NUMA node (numa_node_id) 1392520b8fb7SFelix Kuehling * Return -1 on failure 1393520b8fb7SFelix Kuehling */ 1394520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id) 1395520b8fb7SFelix Kuehling { 1396520b8fb7SFelix Kuehling if (numa_node_id == -1) { 1397520b8fb7SFelix Kuehling pr_warn("Invalid NUMA Node. Use online CPU mask\n"); 1398520b8fb7SFelix Kuehling return kfd_cpumask_to_apic_id(cpu_online_mask); 1399520b8fb7SFelix Kuehling } 1400520b8fb7SFelix Kuehling return kfd_cpumask_to_apic_id(cpumask_of_node(numa_node_id)); 1401520b8fb7SFelix Kuehling } 1402520b8fb7SFelix Kuehling 1403851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1404851a645eSFelix Kuehling 1405851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data) 1406851a645eSFelix Kuehling { 1407851a645eSFelix Kuehling struct kfd_topology_device *dev; 1408851a645eSFelix Kuehling unsigned int i = 0; 1409851a645eSFelix Kuehling int r = 0; 1410851a645eSFelix Kuehling 1411851a645eSFelix Kuehling down_read(&topology_lock); 1412851a645eSFelix Kuehling 1413851a645eSFelix Kuehling list_for_each_entry(dev, &topology_device_list, list) { 1414851a645eSFelix Kuehling if (!dev->gpu) { 1415851a645eSFelix Kuehling i++; 1416851a645eSFelix Kuehling continue; 1417851a645eSFelix Kuehling } 1418851a645eSFelix Kuehling 1419851a645eSFelix Kuehling seq_printf(m, "Node %u, gpu_id %x:\n", i++, dev->gpu->id); 1420851a645eSFelix Kuehling r = dqm_debugfs_hqds(m, dev->gpu->dqm); 1421851a645eSFelix Kuehling if (r) 1422851a645eSFelix Kuehling break; 1423851a645eSFelix Kuehling } 1424851a645eSFelix Kuehling 1425851a645eSFelix Kuehling up_read(&topology_lock); 1426851a645eSFelix Kuehling 1427851a645eSFelix Kuehling return r; 1428851a645eSFelix Kuehling } 1429851a645eSFelix Kuehling 1430851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data) 1431851a645eSFelix Kuehling { 1432851a645eSFelix Kuehling struct kfd_topology_device *dev; 1433851a645eSFelix Kuehling unsigned int i = 0; 1434851a645eSFelix Kuehling int r = 0; 1435851a645eSFelix Kuehling 1436851a645eSFelix Kuehling down_read(&topology_lock); 1437851a645eSFelix Kuehling 1438851a645eSFelix Kuehling list_for_each_entry(dev, &topology_device_list, list) { 1439851a645eSFelix Kuehling if (!dev->gpu) { 1440851a645eSFelix Kuehling i++; 1441851a645eSFelix Kuehling continue; 1442851a645eSFelix Kuehling } 1443851a645eSFelix Kuehling 1444851a645eSFelix Kuehling seq_printf(m, "Node %u, gpu_id %x:\n", i++, dev->gpu->id); 1445851a645eSFelix Kuehling r = pm_debugfs_runlist(m, &dev->gpu->dqm->packets); 1446851a645eSFelix Kuehling if (r) 1447851a645eSFelix Kuehling break; 1448851a645eSFelix Kuehling } 1449851a645eSFelix Kuehling 1450851a645eSFelix Kuehling up_read(&topology_lock); 1451851a645eSFelix Kuehling 1452851a645eSFelix Kuehling return r; 1453851a645eSFelix Kuehling } 1454851a645eSFelix Kuehling 1455851a645eSFelix Kuehling #endif 1456