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" 400dee45a2SEric Huang #include "amdgpu_ras.h" 415b5c4e40SEvgeny Pinchuk 424f449311SHarish Kasiviswanathan /* topology_device_list - Master list of all topology devices */ 434f449311SHarish Kasiviswanathan static struct list_head topology_device_list; 44520b8fb7SFelix Kuehling static struct kfd_system_properties sys_props; 455b5c4e40SEvgeny Pinchuk 465b5c4e40SEvgeny Pinchuk static DECLARE_RWSEM(topology_lock); 47520b8fb7SFelix Kuehling static atomic_t topology_crat_proximity_domain; 485b5c4e40SEvgeny Pinchuk 493a87177eSHarish Kasiviswanathan struct kfd_topology_device *kfd_topology_device_by_proximity_domain( 503a87177eSHarish Kasiviswanathan uint32_t proximity_domain) 513a87177eSHarish Kasiviswanathan { 523a87177eSHarish Kasiviswanathan struct kfd_topology_device *top_dev; 533a87177eSHarish Kasiviswanathan struct kfd_topology_device *device = NULL; 543a87177eSHarish Kasiviswanathan 553a87177eSHarish Kasiviswanathan down_read(&topology_lock); 563a87177eSHarish Kasiviswanathan 573a87177eSHarish Kasiviswanathan list_for_each_entry(top_dev, &topology_device_list, list) 583a87177eSHarish Kasiviswanathan if (top_dev->proximity_domain == proximity_domain) { 593a87177eSHarish Kasiviswanathan device = top_dev; 603a87177eSHarish Kasiviswanathan break; 613a87177eSHarish Kasiviswanathan } 623a87177eSHarish Kasiviswanathan 633a87177eSHarish Kasiviswanathan up_read(&topology_lock); 643a87177eSHarish Kasiviswanathan 653a87177eSHarish Kasiviswanathan return device; 663a87177eSHarish Kasiviswanathan } 673a87177eSHarish Kasiviswanathan 6844d8cc6fSYong Zhao struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id) 695b5c4e40SEvgeny Pinchuk { 7044d8cc6fSYong Zhao struct kfd_topology_device *top_dev = NULL; 7144d8cc6fSYong Zhao struct kfd_topology_device *ret = NULL; 725b5c4e40SEvgeny Pinchuk 735b5c4e40SEvgeny Pinchuk down_read(&topology_lock); 745b5c4e40SEvgeny Pinchuk 755b5c4e40SEvgeny Pinchuk list_for_each_entry(top_dev, &topology_device_list, list) 765b5c4e40SEvgeny Pinchuk if (top_dev->gpu_id == gpu_id) { 7744d8cc6fSYong Zhao ret = top_dev; 785b5c4e40SEvgeny Pinchuk break; 795b5c4e40SEvgeny Pinchuk } 805b5c4e40SEvgeny Pinchuk 815b5c4e40SEvgeny Pinchuk up_read(&topology_lock); 825b5c4e40SEvgeny Pinchuk 8344d8cc6fSYong Zhao return ret; 8444d8cc6fSYong Zhao } 8544d8cc6fSYong Zhao 8644d8cc6fSYong Zhao struct kfd_dev *kfd_device_by_id(uint32_t gpu_id) 8744d8cc6fSYong Zhao { 8844d8cc6fSYong Zhao struct kfd_topology_device *top_dev; 8944d8cc6fSYong Zhao 9044d8cc6fSYong Zhao top_dev = kfd_topology_device_by_id(gpu_id); 9144d8cc6fSYong Zhao if (!top_dev) 9244d8cc6fSYong Zhao return NULL; 9344d8cc6fSYong Zhao 9444d8cc6fSYong Zhao return top_dev->gpu; 955b5c4e40SEvgeny Pinchuk } 965b5c4e40SEvgeny Pinchuk 975b5c4e40SEvgeny Pinchuk struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev) 985b5c4e40SEvgeny Pinchuk { 995b5c4e40SEvgeny Pinchuk struct kfd_topology_device *top_dev; 1005b5c4e40SEvgeny Pinchuk struct kfd_dev *device = NULL; 1015b5c4e40SEvgeny Pinchuk 1025b5c4e40SEvgeny Pinchuk down_read(&topology_lock); 1035b5c4e40SEvgeny Pinchuk 1045b5c4e40SEvgeny Pinchuk list_for_each_entry(top_dev, &topology_device_list, list) 1053704d56eSFelix Kuehling if (top_dev->gpu && top_dev->gpu->pdev == pdev) { 1065b5c4e40SEvgeny Pinchuk device = top_dev->gpu; 1075b5c4e40SEvgeny Pinchuk break; 1085b5c4e40SEvgeny Pinchuk } 1095b5c4e40SEvgeny Pinchuk 1105b5c4e40SEvgeny Pinchuk up_read(&topology_lock); 1115b5c4e40SEvgeny Pinchuk 1125b5c4e40SEvgeny Pinchuk return device; 1135b5c4e40SEvgeny Pinchuk } 1145b5c4e40SEvgeny Pinchuk 1151dde0ea9SFelix Kuehling struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd) 1161dde0ea9SFelix Kuehling { 1171dde0ea9SFelix Kuehling struct kfd_topology_device *top_dev; 1181dde0ea9SFelix Kuehling struct kfd_dev *device = NULL; 1191dde0ea9SFelix Kuehling 1201dde0ea9SFelix Kuehling down_read(&topology_lock); 1211dde0ea9SFelix Kuehling 1221dde0ea9SFelix Kuehling list_for_each_entry(top_dev, &topology_device_list, list) 1231dde0ea9SFelix Kuehling if (top_dev->gpu && top_dev->gpu->kgd == kgd) { 1241dde0ea9SFelix Kuehling device = top_dev->gpu; 1251dde0ea9SFelix Kuehling break; 1261dde0ea9SFelix Kuehling } 1271dde0ea9SFelix Kuehling 1281dde0ea9SFelix Kuehling up_read(&topology_lock); 1291dde0ea9SFelix Kuehling 1301dde0ea9SFelix Kuehling return device; 1311dde0ea9SFelix Kuehling } 1321dde0ea9SFelix Kuehling 1333a87177eSHarish Kasiviswanathan /* Called with write topology_lock acquired */ 1345b5c4e40SEvgeny Pinchuk static void kfd_release_topology_device(struct kfd_topology_device *dev) 1355b5c4e40SEvgeny Pinchuk { 1365b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 1375b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 1385b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 139f4757347SAmber Lin struct kfd_perf_properties *perf; 1405b5c4e40SEvgeny Pinchuk 1415b5c4e40SEvgeny Pinchuk list_del(&dev->list); 1425b5c4e40SEvgeny Pinchuk 1435b5c4e40SEvgeny Pinchuk while (dev->mem_props.next != &dev->mem_props) { 1445b5c4e40SEvgeny Pinchuk mem = container_of(dev->mem_props.next, 1455b5c4e40SEvgeny Pinchuk struct kfd_mem_properties, list); 1465b5c4e40SEvgeny Pinchuk list_del(&mem->list); 1475b5c4e40SEvgeny Pinchuk kfree(mem); 1485b5c4e40SEvgeny Pinchuk } 1495b5c4e40SEvgeny Pinchuk 1505b5c4e40SEvgeny Pinchuk while (dev->cache_props.next != &dev->cache_props) { 1515b5c4e40SEvgeny Pinchuk cache = container_of(dev->cache_props.next, 1525b5c4e40SEvgeny Pinchuk struct kfd_cache_properties, list); 1535b5c4e40SEvgeny Pinchuk list_del(&cache->list); 1545b5c4e40SEvgeny Pinchuk kfree(cache); 1555b5c4e40SEvgeny Pinchuk } 1565b5c4e40SEvgeny Pinchuk 1575b5c4e40SEvgeny Pinchuk while (dev->io_link_props.next != &dev->io_link_props) { 1585b5c4e40SEvgeny Pinchuk iolink = container_of(dev->io_link_props.next, 1595b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties, list); 1605b5c4e40SEvgeny Pinchuk list_del(&iolink->list); 1615b5c4e40SEvgeny Pinchuk kfree(iolink); 1625b5c4e40SEvgeny Pinchuk } 1635b5c4e40SEvgeny Pinchuk 164f4757347SAmber Lin while (dev->perf_props.next != &dev->perf_props) { 165f4757347SAmber Lin perf = container_of(dev->perf_props.next, 166f4757347SAmber Lin struct kfd_perf_properties, list); 167f4757347SAmber Lin list_del(&perf->list); 168f4757347SAmber Lin kfree(perf); 169f4757347SAmber Lin } 170f4757347SAmber Lin 1715b5c4e40SEvgeny Pinchuk kfree(dev); 1725b5c4e40SEvgeny Pinchuk } 1735b5c4e40SEvgeny Pinchuk 1744f449311SHarish Kasiviswanathan void kfd_release_topology_device_list(struct list_head *device_list) 1755b5c4e40SEvgeny Pinchuk { 1765b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 1775b5c4e40SEvgeny Pinchuk 1784f449311SHarish Kasiviswanathan while (!list_empty(device_list)) { 1794f449311SHarish Kasiviswanathan dev = list_first_entry(device_list, 1805b5c4e40SEvgeny Pinchuk struct kfd_topology_device, list); 1815b5c4e40SEvgeny Pinchuk kfd_release_topology_device(dev); 1825b5c4e40SEvgeny Pinchuk } 1834f449311SHarish Kasiviswanathan } 1845b5c4e40SEvgeny Pinchuk 1854f449311SHarish Kasiviswanathan static void kfd_release_live_view(void) 1864f449311SHarish Kasiviswanathan { 1874f449311SHarish Kasiviswanathan kfd_release_topology_device_list(&topology_device_list); 1885b5c4e40SEvgeny Pinchuk memset(&sys_props, 0, sizeof(sys_props)); 1895b5c4e40SEvgeny Pinchuk } 1905b5c4e40SEvgeny Pinchuk 1914f449311SHarish Kasiviswanathan struct kfd_topology_device *kfd_create_topology_device( 1924f449311SHarish Kasiviswanathan struct list_head *device_list) 1935b5c4e40SEvgeny Pinchuk { 1945b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 1955b5c4e40SEvgeny Pinchuk 1965b5c4e40SEvgeny Pinchuk dev = kfd_alloc_struct(dev); 1974eacc26bSKent Russell if (!dev) { 1985b5c4e40SEvgeny Pinchuk pr_err("No memory to allocate a topology device"); 19916b9201cSOded Gabbay return NULL; 2005b5c4e40SEvgeny Pinchuk } 2015b5c4e40SEvgeny Pinchuk 2025b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&dev->mem_props); 2035b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&dev->cache_props); 2045b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&dev->io_link_props); 205f4757347SAmber Lin INIT_LIST_HEAD(&dev->perf_props); 2065b5c4e40SEvgeny Pinchuk 2074f449311SHarish Kasiviswanathan list_add_tail(&dev->list, device_list); 2085b5c4e40SEvgeny Pinchuk 2095b5c4e40SEvgeny Pinchuk return dev; 2105b5c4e40SEvgeny Pinchuk } 2115b5c4e40SEvgeny Pinchuk 2125b5c4e40SEvgeny Pinchuk 2135b5c4e40SEvgeny Pinchuk #define sysfs_show_gen_prop(buffer, fmt, ...) \ 2145b5c4e40SEvgeny Pinchuk snprintf(buffer, PAGE_SIZE, "%s"fmt, buffer, __VA_ARGS__) 2155b5c4e40SEvgeny Pinchuk #define sysfs_show_32bit_prop(buffer, name, value) \ 2165b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%s %u\n", name, value) 2175b5c4e40SEvgeny Pinchuk #define sysfs_show_64bit_prop(buffer, name, value) \ 2185b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%s %llu\n", name, value) 2195b5c4e40SEvgeny Pinchuk #define sysfs_show_32bit_val(buffer, value) \ 2205b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%u\n", value) 2215b5c4e40SEvgeny Pinchuk #define sysfs_show_str_val(buffer, value) \ 2225b5c4e40SEvgeny Pinchuk sysfs_show_gen_prop(buffer, "%s\n", value) 2235b5c4e40SEvgeny Pinchuk 2245b5c4e40SEvgeny Pinchuk static ssize_t sysprops_show(struct kobject *kobj, struct attribute *attr, 2255b5c4e40SEvgeny Pinchuk char *buffer) 2265b5c4e40SEvgeny Pinchuk { 2275b5c4e40SEvgeny Pinchuk ssize_t ret; 2285b5c4e40SEvgeny Pinchuk 2295b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 2305b5c4e40SEvgeny Pinchuk buffer[0] = 0; 2315b5c4e40SEvgeny Pinchuk 2325b5c4e40SEvgeny Pinchuk if (attr == &sys_props.attr_genid) { 2335b5c4e40SEvgeny Pinchuk ret = sysfs_show_32bit_val(buffer, sys_props.generation_count); 2345b5c4e40SEvgeny Pinchuk } else if (attr == &sys_props.attr_props) { 2355b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "platform_oem", 2365b5c4e40SEvgeny Pinchuk sys_props.platform_oem); 2375b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "platform_id", 2385b5c4e40SEvgeny Pinchuk sys_props.platform_id); 2395b5c4e40SEvgeny Pinchuk ret = sysfs_show_64bit_prop(buffer, "platform_rev", 2405b5c4e40SEvgeny Pinchuk sys_props.platform_rev); 2415b5c4e40SEvgeny Pinchuk } else { 2425b5c4e40SEvgeny Pinchuk ret = -EINVAL; 2435b5c4e40SEvgeny Pinchuk } 2445b5c4e40SEvgeny Pinchuk 2455b5c4e40SEvgeny Pinchuk return ret; 2465b5c4e40SEvgeny Pinchuk } 2475b5c4e40SEvgeny Pinchuk 2485108d768SYong Zhao static void kfd_topology_kobj_release(struct kobject *kobj) 2495108d768SYong Zhao { 2505108d768SYong Zhao kfree(kobj); 2515108d768SYong Zhao } 2525108d768SYong Zhao 2535b5c4e40SEvgeny Pinchuk static const struct sysfs_ops sysprops_ops = { 2545b5c4e40SEvgeny Pinchuk .show = sysprops_show, 2555b5c4e40SEvgeny Pinchuk }; 2565b5c4e40SEvgeny Pinchuk 2575b5c4e40SEvgeny Pinchuk static struct kobj_type sysprops_type = { 2585108d768SYong Zhao .release = kfd_topology_kobj_release, 2595b5c4e40SEvgeny Pinchuk .sysfs_ops = &sysprops_ops, 2605b5c4e40SEvgeny Pinchuk }; 2615b5c4e40SEvgeny Pinchuk 2625b5c4e40SEvgeny Pinchuk static ssize_t iolink_show(struct kobject *kobj, struct attribute *attr, 2635b5c4e40SEvgeny Pinchuk char *buffer) 2645b5c4e40SEvgeny Pinchuk { 2655b5c4e40SEvgeny Pinchuk ssize_t ret; 2665b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 2675b5c4e40SEvgeny Pinchuk 2685b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 2695b5c4e40SEvgeny Pinchuk buffer[0] = 0; 2705b5c4e40SEvgeny Pinchuk 2715b5c4e40SEvgeny Pinchuk iolink = container_of(attr, struct kfd_iolink_properties, attr); 2725b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "type", iolink->iolink_type); 2735b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "version_major", iolink->ver_maj); 2745b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "version_minor", iolink->ver_min); 2755b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "node_from", iolink->node_from); 2765b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "node_to", iolink->node_to); 2775b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "weight", iolink->weight); 2785b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "min_latency", iolink->min_latency); 2795b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_latency", iolink->max_latency); 2805b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "min_bandwidth", iolink->min_bandwidth); 2815b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_bandwidth", iolink->max_bandwidth); 2825b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "recommended_transfer_size", 2835b5c4e40SEvgeny Pinchuk iolink->rec_transfer_size); 2845b5c4e40SEvgeny Pinchuk ret = sysfs_show_32bit_prop(buffer, "flags", iolink->flags); 2855b5c4e40SEvgeny Pinchuk 2865b5c4e40SEvgeny Pinchuk return ret; 2875b5c4e40SEvgeny Pinchuk } 2885b5c4e40SEvgeny Pinchuk 2895b5c4e40SEvgeny Pinchuk static const struct sysfs_ops iolink_ops = { 2905b5c4e40SEvgeny Pinchuk .show = iolink_show, 2915b5c4e40SEvgeny Pinchuk }; 2925b5c4e40SEvgeny Pinchuk 2935b5c4e40SEvgeny Pinchuk static struct kobj_type iolink_type = { 2945108d768SYong Zhao .release = kfd_topology_kobj_release, 2955b5c4e40SEvgeny Pinchuk .sysfs_ops = &iolink_ops, 2965b5c4e40SEvgeny Pinchuk }; 2975b5c4e40SEvgeny Pinchuk 2985b5c4e40SEvgeny Pinchuk static ssize_t mem_show(struct kobject *kobj, struct attribute *attr, 2995b5c4e40SEvgeny Pinchuk char *buffer) 3005b5c4e40SEvgeny Pinchuk { 3015b5c4e40SEvgeny Pinchuk ssize_t ret; 3025b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 3035b5c4e40SEvgeny Pinchuk 3045b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 3055b5c4e40SEvgeny Pinchuk buffer[0] = 0; 3065b5c4e40SEvgeny Pinchuk 3075b5c4e40SEvgeny Pinchuk mem = container_of(attr, struct kfd_mem_properties, attr); 3085b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "heap_type", mem->heap_type); 3095b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "size_in_bytes", mem->size_in_bytes); 3105b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "flags", mem->flags); 3115b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "width", mem->width); 3125b5c4e40SEvgeny Pinchuk ret = sysfs_show_32bit_prop(buffer, "mem_clk_max", mem->mem_clk_max); 3135b5c4e40SEvgeny Pinchuk 3145b5c4e40SEvgeny Pinchuk return ret; 3155b5c4e40SEvgeny Pinchuk } 3165b5c4e40SEvgeny Pinchuk 3175b5c4e40SEvgeny Pinchuk static const struct sysfs_ops mem_ops = { 3185b5c4e40SEvgeny Pinchuk .show = mem_show, 3195b5c4e40SEvgeny Pinchuk }; 3205b5c4e40SEvgeny Pinchuk 3215b5c4e40SEvgeny Pinchuk static struct kobj_type mem_type = { 3225108d768SYong Zhao .release = kfd_topology_kobj_release, 3235b5c4e40SEvgeny Pinchuk .sysfs_ops = &mem_ops, 3245b5c4e40SEvgeny Pinchuk }; 3255b5c4e40SEvgeny Pinchuk 3265b5c4e40SEvgeny Pinchuk static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr, 3275b5c4e40SEvgeny Pinchuk char *buffer) 3285b5c4e40SEvgeny Pinchuk { 3295b5c4e40SEvgeny Pinchuk ssize_t ret; 330bc0c75a3SHarish Kasiviswanathan uint32_t i, j; 3315b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 3325b5c4e40SEvgeny Pinchuk 3335b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 3345b5c4e40SEvgeny Pinchuk buffer[0] = 0; 3355b5c4e40SEvgeny Pinchuk 3365b5c4e40SEvgeny Pinchuk cache = container_of(attr, struct kfd_cache_properties, attr); 3375b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "processor_id_low", 3385b5c4e40SEvgeny Pinchuk cache->processor_id_low); 3395b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "level", cache->cache_level); 3405b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "size", cache->cache_size); 3415b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cache_line_size", cache->cacheline_size); 3425b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cache_lines_per_tag", 3435b5c4e40SEvgeny Pinchuk cache->cachelines_per_tag); 3445b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "association", cache->cache_assoc); 3455b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "latency", cache->cache_latency); 3465b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "type", cache->cache_type); 3475b5c4e40SEvgeny Pinchuk snprintf(buffer, PAGE_SIZE, "%ssibling_map ", buffer); 348bc0c75a3SHarish Kasiviswanathan for (i = 0; i < CRAT_SIBLINGMAP_SIZE; i++) 349bc0c75a3SHarish Kasiviswanathan for (j = 0; j < sizeof(cache->sibling_map[0])*8; j++) { 350bc0c75a3SHarish Kasiviswanathan /* Check each bit */ 351bc0c75a3SHarish Kasiviswanathan if (cache->sibling_map[i] & (1 << j)) 352bc0c75a3SHarish Kasiviswanathan ret = snprintf(buffer, PAGE_SIZE, 353bc0c75a3SHarish Kasiviswanathan "%s%d%s", buffer, 1, ","); 354bc0c75a3SHarish Kasiviswanathan else 355bc0c75a3SHarish Kasiviswanathan ret = snprintf(buffer, PAGE_SIZE, 356bc0c75a3SHarish Kasiviswanathan "%s%d%s", buffer, 0, ","); 357bc0c75a3SHarish Kasiviswanathan } 358bc0c75a3SHarish Kasiviswanathan /* Replace the last "," with end of line */ 359bc0c75a3SHarish Kasiviswanathan *(buffer + strlen(buffer) - 1) = 0xA; 3605b5c4e40SEvgeny Pinchuk return ret; 3615b5c4e40SEvgeny Pinchuk } 3625b5c4e40SEvgeny Pinchuk 3635b5c4e40SEvgeny Pinchuk static const struct sysfs_ops cache_ops = { 3645b5c4e40SEvgeny Pinchuk .show = kfd_cache_show, 3655b5c4e40SEvgeny Pinchuk }; 3665b5c4e40SEvgeny Pinchuk 3675b5c4e40SEvgeny Pinchuk static struct kobj_type cache_type = { 3685108d768SYong Zhao .release = kfd_topology_kobj_release, 3695b5c4e40SEvgeny Pinchuk .sysfs_ops = &cache_ops, 3705b5c4e40SEvgeny Pinchuk }; 3715b5c4e40SEvgeny Pinchuk 372f4757347SAmber Lin /****** Sysfs of Performance Counters ******/ 373f4757347SAmber Lin 374f4757347SAmber Lin struct kfd_perf_attr { 375f4757347SAmber Lin struct kobj_attribute attr; 376f4757347SAmber Lin uint32_t data; 377f4757347SAmber Lin }; 378f4757347SAmber Lin 379f4757347SAmber Lin static ssize_t perf_show(struct kobject *kobj, struct kobj_attribute *attrs, 380f4757347SAmber Lin char *buf) 381f4757347SAmber Lin { 382f4757347SAmber Lin struct kfd_perf_attr *attr; 383f4757347SAmber Lin 384f4757347SAmber Lin buf[0] = 0; 385f4757347SAmber Lin attr = container_of(attrs, struct kfd_perf_attr, attr); 386f4757347SAmber Lin if (!attr->data) /* invalid data for PMC */ 387f4757347SAmber Lin return 0; 388f4757347SAmber Lin else 389f4757347SAmber Lin return sysfs_show_32bit_val(buf, attr->data); 390f4757347SAmber Lin } 391f4757347SAmber Lin 392f4757347SAmber Lin #define KFD_PERF_DESC(_name, _data) \ 393f4757347SAmber Lin { \ 394f4757347SAmber Lin .attr = __ATTR(_name, 0444, perf_show, NULL), \ 395f4757347SAmber Lin .data = _data, \ 396f4757347SAmber Lin } 397f4757347SAmber Lin 398f4757347SAmber Lin static struct kfd_perf_attr perf_attr_iommu[] = { 399f4757347SAmber Lin KFD_PERF_DESC(max_concurrent, 0), 400f4757347SAmber Lin KFD_PERF_DESC(num_counters, 0), 401f4757347SAmber Lin KFD_PERF_DESC(counter_ids, 0), 402f4757347SAmber Lin }; 403f4757347SAmber Lin /****************************************/ 404f4757347SAmber Lin 4055b5c4e40SEvgeny Pinchuk static ssize_t node_show(struct kobject *kobj, struct attribute *attr, 4065b5c4e40SEvgeny Pinchuk char *buffer) 4075b5c4e40SEvgeny Pinchuk { 4085b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 4095b5c4e40SEvgeny Pinchuk char public_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 4105b5c4e40SEvgeny Pinchuk uint32_t i; 411f7c826adSAlexey Skidanov uint32_t log_max_watch_addr; 4125b5c4e40SEvgeny Pinchuk 4135b5c4e40SEvgeny Pinchuk /* Making sure that the buffer is an empty string */ 4145b5c4e40SEvgeny Pinchuk buffer[0] = 0; 4155b5c4e40SEvgeny Pinchuk 4165b5c4e40SEvgeny Pinchuk if (strcmp(attr->name, "gpu_id") == 0) { 4175b5c4e40SEvgeny Pinchuk dev = container_of(attr, struct kfd_topology_device, 4185b5c4e40SEvgeny Pinchuk attr_gpuid); 419f7c826adSAlexey Skidanov return sysfs_show_32bit_val(buffer, dev->gpu_id); 420f7c826adSAlexey Skidanov } 421f7c826adSAlexey Skidanov 422f7c826adSAlexey Skidanov if (strcmp(attr->name, "name") == 0) { 4235b5c4e40SEvgeny Pinchuk dev = container_of(attr, struct kfd_topology_device, 4245b5c4e40SEvgeny Pinchuk attr_name); 4255b5c4e40SEvgeny Pinchuk for (i = 0; i < KFD_TOPOLOGY_PUBLIC_NAME_SIZE; i++) { 4265b5c4e40SEvgeny Pinchuk public_name[i] = 4275b5c4e40SEvgeny Pinchuk (char)dev->node_props.marketing_name[i]; 4285b5c4e40SEvgeny Pinchuk if (dev->node_props.marketing_name[i] == 0) 4295b5c4e40SEvgeny Pinchuk break; 4305b5c4e40SEvgeny Pinchuk } 4315b5c4e40SEvgeny Pinchuk public_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE-1] = 0x0; 432f7c826adSAlexey Skidanov return sysfs_show_str_val(buffer, public_name); 433f7c826adSAlexey Skidanov } 434f7c826adSAlexey Skidanov 4355b5c4e40SEvgeny Pinchuk dev = container_of(attr, struct kfd_topology_device, 4365b5c4e40SEvgeny Pinchuk attr_props); 4375b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cpu_cores_count", 4385b5c4e40SEvgeny Pinchuk dev->node_props.cpu_cores_count); 4395b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_count", 4405b5c4e40SEvgeny Pinchuk dev->node_props.simd_count); 4415b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "mem_banks_count", 4425b5c4e40SEvgeny Pinchuk dev->node_props.mem_banks_count); 4435b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "caches_count", 4445b5c4e40SEvgeny Pinchuk dev->node_props.caches_count); 4455b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "io_links_count", 4465b5c4e40SEvgeny Pinchuk dev->node_props.io_links_count); 4475b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cpu_core_id_base", 4485b5c4e40SEvgeny Pinchuk dev->node_props.cpu_core_id_base); 4495b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_id_base", 4505b5c4e40SEvgeny Pinchuk dev->node_props.simd_id_base); 4515b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_waves_per_simd", 4525b5c4e40SEvgeny Pinchuk dev->node_props.max_waves_per_simd); 4535b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "lds_size_in_kb", 4545b5c4e40SEvgeny Pinchuk dev->node_props.lds_size_in_kb); 4555b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "gds_size_in_kb", 4565b5c4e40SEvgeny Pinchuk dev->node_props.gds_size_in_kb); 4575b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "wave_front_size", 4585b5c4e40SEvgeny Pinchuk dev->node_props.wave_front_size); 4595b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "array_count", 4605b5c4e40SEvgeny Pinchuk dev->node_props.array_count); 4615b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_arrays_per_engine", 4625b5c4e40SEvgeny Pinchuk dev->node_props.simd_arrays_per_engine); 4635b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "cu_per_simd_array", 4645b5c4e40SEvgeny Pinchuk dev->node_props.cu_per_simd_array); 4655b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "simd_per_cu", 4665b5c4e40SEvgeny Pinchuk dev->node_props.simd_per_cu); 4675b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_slots_scratch_cu", 4685b5c4e40SEvgeny Pinchuk dev->node_props.max_slots_scratch_cu); 4695b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "vendor_id", 4705b5c4e40SEvgeny Pinchuk dev->node_props.vendor_id); 4715b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "device_id", 4725b5c4e40SEvgeny Pinchuk dev->node_props.device_id); 4735b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "location_id", 4745b5c4e40SEvgeny Pinchuk dev->node_props.location_id); 4757c9b7171SOak Zeng sysfs_show_32bit_prop(buffer, "drm_render_minor", 4767c9b7171SOak Zeng dev->node_props.drm_render_minor); 4770c1690e3SShaoyun Liu sysfs_show_64bit_prop(buffer, "hive_id", 4780c1690e3SShaoyun Liu dev->node_props.hive_id); 4795b5c4e40SEvgeny Pinchuk 4805b5c4e40SEvgeny Pinchuk if (dev->gpu) { 481f7c826adSAlexey Skidanov log_max_watch_addr = 482f7c826adSAlexey Skidanov __ilog2_u32(dev->gpu->device_info->num_of_watch_points); 483f7c826adSAlexey Skidanov 484f7c826adSAlexey Skidanov if (log_max_watch_addr) { 485f7c826adSAlexey Skidanov dev->node_props.capability |= 486f7c826adSAlexey Skidanov HSA_CAP_WATCH_POINTS_SUPPORTED; 487f7c826adSAlexey Skidanov 488f7c826adSAlexey Skidanov dev->node_props.capability |= 489f7c826adSAlexey Skidanov ((log_max_watch_addr << 490f7c826adSAlexey Skidanov HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT) & 491f7c826adSAlexey Skidanov HSA_CAP_WATCH_POINTS_TOTALBITS_MASK); 492f7c826adSAlexey Skidanov } 493f7c826adSAlexey Skidanov 494413e85d5SBen Goz if (dev->gpu->device_info->asic_family == CHIP_TONGA) 495413e85d5SBen Goz dev->node_props.capability |= 496413e85d5SBen Goz HSA_CAP_AQL_QUEUE_DOUBLE_MAP; 497413e85d5SBen Goz 4985b5c4e40SEvgeny Pinchuk sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute", 4993a87177eSHarish Kasiviswanathan dev->node_props.max_engine_clk_fcompute); 50042e08c78SOded Gabbay 5015b5c4e40SEvgeny Pinchuk sysfs_show_64bit_prop(buffer, "local_mem_size", 50242e08c78SOded Gabbay (unsigned long long int) 0); 503f1386fbcSOded Gabbay 504f1386fbcSOded Gabbay sysfs_show_32bit_prop(buffer, "fw_version", 5055ade6c9cSFelix Kuehling dev->gpu->mec_fw_version); 506826f5de8SAlexey Skidanov sysfs_show_32bit_prop(buffer, "capability", 507826f5de8SAlexey Skidanov dev->node_props.capability); 5085ade6c9cSFelix Kuehling sysfs_show_32bit_prop(buffer, "sdma_fw_version", 5095ade6c9cSFelix Kuehling dev->gpu->sdma_fw_version); 5105b5c4e40SEvgeny Pinchuk } 5115b5c4e40SEvgeny Pinchuk 512f7c826adSAlexey Skidanov return sysfs_show_32bit_prop(buffer, "max_engine_clk_ccompute", 5135b5c4e40SEvgeny Pinchuk cpufreq_quick_get_max(0)/1000); 5145b5c4e40SEvgeny Pinchuk } 5155b5c4e40SEvgeny Pinchuk 5165b5c4e40SEvgeny Pinchuk static const struct sysfs_ops node_ops = { 5175b5c4e40SEvgeny Pinchuk .show = node_show, 5185b5c4e40SEvgeny Pinchuk }; 5195b5c4e40SEvgeny Pinchuk 5205b5c4e40SEvgeny Pinchuk static struct kobj_type node_type = { 5215108d768SYong Zhao .release = kfd_topology_kobj_release, 5225b5c4e40SEvgeny Pinchuk .sysfs_ops = &node_ops, 5235b5c4e40SEvgeny Pinchuk }; 5245b5c4e40SEvgeny Pinchuk 5255b5c4e40SEvgeny Pinchuk static void kfd_remove_sysfs_file(struct kobject *kobj, struct attribute *attr) 5265b5c4e40SEvgeny Pinchuk { 5275b5c4e40SEvgeny Pinchuk sysfs_remove_file(kobj, attr); 5285b5c4e40SEvgeny Pinchuk kobject_del(kobj); 5295b5c4e40SEvgeny Pinchuk kobject_put(kobj); 5305b5c4e40SEvgeny Pinchuk } 5315b5c4e40SEvgeny Pinchuk 5325b5c4e40SEvgeny Pinchuk static void kfd_remove_sysfs_node_entry(struct kfd_topology_device *dev) 5335b5c4e40SEvgeny Pinchuk { 5345b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 5355b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 5365b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 537f4757347SAmber Lin struct kfd_perf_properties *perf; 5385b5c4e40SEvgeny Pinchuk 5395b5c4e40SEvgeny Pinchuk if (dev->kobj_iolink) { 5405b5c4e40SEvgeny Pinchuk list_for_each_entry(iolink, &dev->io_link_props, list) 5415b5c4e40SEvgeny Pinchuk if (iolink->kobj) { 5425b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_file(iolink->kobj, 5435b5c4e40SEvgeny Pinchuk &iolink->attr); 54416b9201cSOded Gabbay iolink->kobj = NULL; 5455b5c4e40SEvgeny Pinchuk } 5465b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_iolink); 5475b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_iolink); 54816b9201cSOded Gabbay dev->kobj_iolink = NULL; 5495b5c4e40SEvgeny Pinchuk } 5505b5c4e40SEvgeny Pinchuk 5515b5c4e40SEvgeny Pinchuk if (dev->kobj_cache) { 5525b5c4e40SEvgeny Pinchuk list_for_each_entry(cache, &dev->cache_props, list) 5535b5c4e40SEvgeny Pinchuk if (cache->kobj) { 5545b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_file(cache->kobj, 5555b5c4e40SEvgeny Pinchuk &cache->attr); 55616b9201cSOded Gabbay cache->kobj = NULL; 5575b5c4e40SEvgeny Pinchuk } 5585b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_cache); 5595b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_cache); 56016b9201cSOded Gabbay dev->kobj_cache = NULL; 5615b5c4e40SEvgeny Pinchuk } 5625b5c4e40SEvgeny Pinchuk 5635b5c4e40SEvgeny Pinchuk if (dev->kobj_mem) { 5645b5c4e40SEvgeny Pinchuk list_for_each_entry(mem, &dev->mem_props, list) 5655b5c4e40SEvgeny Pinchuk if (mem->kobj) { 5665b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_file(mem->kobj, &mem->attr); 56716b9201cSOded Gabbay mem->kobj = NULL; 5685b5c4e40SEvgeny Pinchuk } 5695b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_mem); 5705b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_mem); 57116b9201cSOded Gabbay dev->kobj_mem = NULL; 5725b5c4e40SEvgeny Pinchuk } 5735b5c4e40SEvgeny Pinchuk 574f4757347SAmber Lin if (dev->kobj_perf) { 575f4757347SAmber Lin list_for_each_entry(perf, &dev->perf_props, list) { 576f4757347SAmber Lin kfree(perf->attr_group); 577f4757347SAmber Lin perf->attr_group = NULL; 578f4757347SAmber Lin } 579f4757347SAmber Lin kobject_del(dev->kobj_perf); 580f4757347SAmber Lin kobject_put(dev->kobj_perf); 581f4757347SAmber Lin dev->kobj_perf = NULL; 582f4757347SAmber Lin } 583f4757347SAmber Lin 5845b5c4e40SEvgeny Pinchuk if (dev->kobj_node) { 5855b5c4e40SEvgeny Pinchuk sysfs_remove_file(dev->kobj_node, &dev->attr_gpuid); 5865b5c4e40SEvgeny Pinchuk sysfs_remove_file(dev->kobj_node, &dev->attr_name); 5875b5c4e40SEvgeny Pinchuk sysfs_remove_file(dev->kobj_node, &dev->attr_props); 5885b5c4e40SEvgeny Pinchuk kobject_del(dev->kobj_node); 5895b5c4e40SEvgeny Pinchuk kobject_put(dev->kobj_node); 59016b9201cSOded Gabbay dev->kobj_node = NULL; 5915b5c4e40SEvgeny Pinchuk } 5925b5c4e40SEvgeny Pinchuk } 5935b5c4e40SEvgeny Pinchuk 5945b5c4e40SEvgeny Pinchuk static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, 5955b5c4e40SEvgeny Pinchuk uint32_t id) 5965b5c4e40SEvgeny Pinchuk { 5975b5c4e40SEvgeny Pinchuk struct kfd_iolink_properties *iolink; 5985b5c4e40SEvgeny Pinchuk struct kfd_cache_properties *cache; 5995b5c4e40SEvgeny Pinchuk struct kfd_mem_properties *mem; 600f4757347SAmber Lin struct kfd_perf_properties *perf; 6015b5c4e40SEvgeny Pinchuk int ret; 602f4757347SAmber Lin uint32_t i, num_attrs; 603f4757347SAmber Lin struct attribute **attrs; 6045b5c4e40SEvgeny Pinchuk 60532fa8219SFelix Kuehling if (WARN_ON(dev->kobj_node)) 60632fa8219SFelix Kuehling return -EEXIST; 60732fa8219SFelix Kuehling 6085b5c4e40SEvgeny Pinchuk /* 6095b5c4e40SEvgeny Pinchuk * Creating the sysfs folders 6105b5c4e40SEvgeny Pinchuk */ 6115b5c4e40SEvgeny Pinchuk dev->kobj_node = kfd_alloc_struct(dev->kobj_node); 6125b5c4e40SEvgeny Pinchuk if (!dev->kobj_node) 6135b5c4e40SEvgeny Pinchuk return -ENOMEM; 6145b5c4e40SEvgeny Pinchuk 6155b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(dev->kobj_node, &node_type, 6165b5c4e40SEvgeny Pinchuk sys_props.kobj_nodes, "%d", id); 6175b5c4e40SEvgeny Pinchuk if (ret < 0) 6185b5c4e40SEvgeny Pinchuk return ret; 6195b5c4e40SEvgeny Pinchuk 6205b5c4e40SEvgeny Pinchuk dev->kobj_mem = kobject_create_and_add("mem_banks", dev->kobj_node); 6215b5c4e40SEvgeny Pinchuk if (!dev->kobj_mem) 6225b5c4e40SEvgeny Pinchuk return -ENOMEM; 6235b5c4e40SEvgeny Pinchuk 6245b5c4e40SEvgeny Pinchuk dev->kobj_cache = kobject_create_and_add("caches", dev->kobj_node); 6255b5c4e40SEvgeny Pinchuk if (!dev->kobj_cache) 6265b5c4e40SEvgeny Pinchuk return -ENOMEM; 6275b5c4e40SEvgeny Pinchuk 6285b5c4e40SEvgeny Pinchuk dev->kobj_iolink = kobject_create_and_add("io_links", dev->kobj_node); 6295b5c4e40SEvgeny Pinchuk if (!dev->kobj_iolink) 6305b5c4e40SEvgeny Pinchuk return -ENOMEM; 6315b5c4e40SEvgeny Pinchuk 632f4757347SAmber Lin dev->kobj_perf = kobject_create_and_add("perf", dev->kobj_node); 633f4757347SAmber Lin if (!dev->kobj_perf) 634f4757347SAmber Lin return -ENOMEM; 635f4757347SAmber Lin 6365b5c4e40SEvgeny Pinchuk /* 6375b5c4e40SEvgeny Pinchuk * Creating sysfs files for node properties 6385b5c4e40SEvgeny Pinchuk */ 6395b5c4e40SEvgeny Pinchuk dev->attr_gpuid.name = "gpu_id"; 6405b5c4e40SEvgeny Pinchuk dev->attr_gpuid.mode = KFD_SYSFS_FILE_MODE; 6415b5c4e40SEvgeny Pinchuk sysfs_attr_init(&dev->attr_gpuid); 6425b5c4e40SEvgeny Pinchuk dev->attr_name.name = "name"; 6435b5c4e40SEvgeny Pinchuk dev->attr_name.mode = KFD_SYSFS_FILE_MODE; 6445b5c4e40SEvgeny Pinchuk sysfs_attr_init(&dev->attr_name); 6455b5c4e40SEvgeny Pinchuk dev->attr_props.name = "properties"; 6465b5c4e40SEvgeny Pinchuk dev->attr_props.mode = KFD_SYSFS_FILE_MODE; 6475b5c4e40SEvgeny Pinchuk sysfs_attr_init(&dev->attr_props); 6485b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(dev->kobj_node, &dev->attr_gpuid); 6495b5c4e40SEvgeny Pinchuk if (ret < 0) 6505b5c4e40SEvgeny Pinchuk return ret; 6515b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(dev->kobj_node, &dev->attr_name); 6525b5c4e40SEvgeny Pinchuk if (ret < 0) 6535b5c4e40SEvgeny Pinchuk return ret; 6545b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(dev->kobj_node, &dev->attr_props); 6555b5c4e40SEvgeny Pinchuk if (ret < 0) 6565b5c4e40SEvgeny Pinchuk return ret; 6575b5c4e40SEvgeny Pinchuk 6585b5c4e40SEvgeny Pinchuk i = 0; 6595b5c4e40SEvgeny Pinchuk list_for_each_entry(mem, &dev->mem_props, list) { 6605b5c4e40SEvgeny Pinchuk mem->kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL); 6615b5c4e40SEvgeny Pinchuk if (!mem->kobj) 6625b5c4e40SEvgeny Pinchuk return -ENOMEM; 6635b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(mem->kobj, &mem_type, 6645b5c4e40SEvgeny Pinchuk dev->kobj_mem, "%d", i); 6655b5c4e40SEvgeny Pinchuk if (ret < 0) 6665b5c4e40SEvgeny Pinchuk return ret; 6675b5c4e40SEvgeny Pinchuk 6685b5c4e40SEvgeny Pinchuk mem->attr.name = "properties"; 6695b5c4e40SEvgeny Pinchuk mem->attr.mode = KFD_SYSFS_FILE_MODE; 6705b5c4e40SEvgeny Pinchuk sysfs_attr_init(&mem->attr); 6715b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(mem->kobj, &mem->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(cache, &dev->cache_props, list) { 6795b5c4e40SEvgeny Pinchuk cache->kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL); 6805b5c4e40SEvgeny Pinchuk if (!cache->kobj) 6815b5c4e40SEvgeny Pinchuk return -ENOMEM; 6825b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(cache->kobj, &cache_type, 6835b5c4e40SEvgeny Pinchuk dev->kobj_cache, "%d", i); 6845b5c4e40SEvgeny Pinchuk if (ret < 0) 6855b5c4e40SEvgeny Pinchuk return ret; 6865b5c4e40SEvgeny Pinchuk 6875b5c4e40SEvgeny Pinchuk cache->attr.name = "properties"; 6885b5c4e40SEvgeny Pinchuk cache->attr.mode = KFD_SYSFS_FILE_MODE; 6895b5c4e40SEvgeny Pinchuk sysfs_attr_init(&cache->attr); 6905b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(cache->kobj, &cache->attr); 6915b5c4e40SEvgeny Pinchuk if (ret < 0) 6925b5c4e40SEvgeny Pinchuk return ret; 6935b5c4e40SEvgeny Pinchuk i++; 6945b5c4e40SEvgeny Pinchuk } 6955b5c4e40SEvgeny Pinchuk 6965b5c4e40SEvgeny Pinchuk i = 0; 6975b5c4e40SEvgeny Pinchuk list_for_each_entry(iolink, &dev->io_link_props, list) { 6985b5c4e40SEvgeny Pinchuk iolink->kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL); 6995b5c4e40SEvgeny Pinchuk if (!iolink->kobj) 7005b5c4e40SEvgeny Pinchuk return -ENOMEM; 7015b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(iolink->kobj, &iolink_type, 7025b5c4e40SEvgeny Pinchuk dev->kobj_iolink, "%d", i); 7035b5c4e40SEvgeny Pinchuk if (ret < 0) 7045b5c4e40SEvgeny Pinchuk return ret; 7055b5c4e40SEvgeny Pinchuk 7065b5c4e40SEvgeny Pinchuk iolink->attr.name = "properties"; 7075b5c4e40SEvgeny Pinchuk iolink->attr.mode = KFD_SYSFS_FILE_MODE; 7085b5c4e40SEvgeny Pinchuk sysfs_attr_init(&iolink->attr); 7095b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(iolink->kobj, &iolink->attr); 7105b5c4e40SEvgeny Pinchuk if (ret < 0) 7115b5c4e40SEvgeny Pinchuk return ret; 7125b5c4e40SEvgeny Pinchuk i++; 7135b5c4e40SEvgeny Pinchuk } 7145b5c4e40SEvgeny Pinchuk 715f4757347SAmber Lin /* All hardware blocks have the same number of attributes. */ 7163f866f5fSGustavo A. R. Silva num_attrs = ARRAY_SIZE(perf_attr_iommu); 717f4757347SAmber Lin list_for_each_entry(perf, &dev->perf_props, list) { 718f4757347SAmber Lin perf->attr_group = kzalloc(sizeof(struct kfd_perf_attr) 719f4757347SAmber Lin * num_attrs + sizeof(struct attribute_group), 720f4757347SAmber Lin GFP_KERNEL); 721f4757347SAmber Lin if (!perf->attr_group) 722f4757347SAmber Lin return -ENOMEM; 723f4757347SAmber Lin 724f4757347SAmber Lin attrs = (struct attribute **)(perf->attr_group + 1); 725f4757347SAmber Lin if (!strcmp(perf->block_name, "iommu")) { 726f4757347SAmber Lin /* Information of IOMMU's num_counters and counter_ids is shown 727f4757347SAmber Lin * under /sys/bus/event_source/devices/amd_iommu. We don't 728f4757347SAmber Lin * duplicate here. 729f4757347SAmber Lin */ 730f4757347SAmber Lin perf_attr_iommu[0].data = perf->max_concurrent; 731f4757347SAmber Lin for (i = 0; i < num_attrs; i++) 732f4757347SAmber Lin attrs[i] = &perf_attr_iommu[i].attr.attr; 733f4757347SAmber Lin } 734f4757347SAmber Lin perf->attr_group->name = perf->block_name; 735f4757347SAmber Lin perf->attr_group->attrs = attrs; 736f4757347SAmber Lin ret = sysfs_create_group(dev->kobj_perf, perf->attr_group); 737f4757347SAmber Lin if (ret < 0) 738f4757347SAmber Lin return ret; 739f4757347SAmber Lin } 740f4757347SAmber Lin 7415b5c4e40SEvgeny Pinchuk return 0; 7425b5c4e40SEvgeny Pinchuk } 7435b5c4e40SEvgeny Pinchuk 7443a87177eSHarish Kasiviswanathan /* Called with write topology lock acquired */ 7455b5c4e40SEvgeny Pinchuk static int kfd_build_sysfs_node_tree(void) 7465b5c4e40SEvgeny Pinchuk { 7475b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 7485b5c4e40SEvgeny Pinchuk int ret; 7495b5c4e40SEvgeny Pinchuk uint32_t i = 0; 7505b5c4e40SEvgeny Pinchuk 7515b5c4e40SEvgeny Pinchuk list_for_each_entry(dev, &topology_device_list, list) { 7528dfead6cSBen Goz ret = kfd_build_sysfs_node_entry(dev, i); 7535b5c4e40SEvgeny Pinchuk if (ret < 0) 7545b5c4e40SEvgeny Pinchuk return ret; 7555b5c4e40SEvgeny Pinchuk i++; 7565b5c4e40SEvgeny Pinchuk } 7575b5c4e40SEvgeny Pinchuk 7585b5c4e40SEvgeny Pinchuk return 0; 7595b5c4e40SEvgeny Pinchuk } 7605b5c4e40SEvgeny Pinchuk 7613a87177eSHarish Kasiviswanathan /* Called with write topology lock acquired */ 7625b5c4e40SEvgeny Pinchuk static void kfd_remove_sysfs_node_tree(void) 7635b5c4e40SEvgeny Pinchuk { 7645b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 7655b5c4e40SEvgeny Pinchuk 7665b5c4e40SEvgeny Pinchuk list_for_each_entry(dev, &topology_device_list, list) 7675b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_entry(dev); 7685b5c4e40SEvgeny Pinchuk } 7695b5c4e40SEvgeny Pinchuk 7705b5c4e40SEvgeny Pinchuk static int kfd_topology_update_sysfs(void) 7715b5c4e40SEvgeny Pinchuk { 7725b5c4e40SEvgeny Pinchuk int ret; 7735b5c4e40SEvgeny Pinchuk 7745b5c4e40SEvgeny Pinchuk pr_info("Creating topology SYSFS entries\n"); 7754eacc26bSKent Russell if (!sys_props.kobj_topology) { 7765b5c4e40SEvgeny Pinchuk sys_props.kobj_topology = 7775b5c4e40SEvgeny Pinchuk kfd_alloc_struct(sys_props.kobj_topology); 7785b5c4e40SEvgeny Pinchuk if (!sys_props.kobj_topology) 7795b5c4e40SEvgeny Pinchuk return -ENOMEM; 7805b5c4e40SEvgeny Pinchuk 7815b5c4e40SEvgeny Pinchuk ret = kobject_init_and_add(sys_props.kobj_topology, 7825b5c4e40SEvgeny Pinchuk &sysprops_type, &kfd_device->kobj, 7835b5c4e40SEvgeny Pinchuk "topology"); 7845b5c4e40SEvgeny Pinchuk if (ret < 0) 7855b5c4e40SEvgeny Pinchuk return ret; 7865b5c4e40SEvgeny Pinchuk 7875b5c4e40SEvgeny Pinchuk sys_props.kobj_nodes = kobject_create_and_add("nodes", 7885b5c4e40SEvgeny Pinchuk sys_props.kobj_topology); 7895b5c4e40SEvgeny Pinchuk if (!sys_props.kobj_nodes) 7905b5c4e40SEvgeny Pinchuk return -ENOMEM; 7915b5c4e40SEvgeny Pinchuk 7925b5c4e40SEvgeny Pinchuk sys_props.attr_genid.name = "generation_id"; 7935b5c4e40SEvgeny Pinchuk sys_props.attr_genid.mode = KFD_SYSFS_FILE_MODE; 7945b5c4e40SEvgeny Pinchuk sysfs_attr_init(&sys_props.attr_genid); 7955b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(sys_props.kobj_topology, 7965b5c4e40SEvgeny Pinchuk &sys_props.attr_genid); 7975b5c4e40SEvgeny Pinchuk if (ret < 0) 7985b5c4e40SEvgeny Pinchuk return ret; 7995b5c4e40SEvgeny Pinchuk 8005b5c4e40SEvgeny Pinchuk sys_props.attr_props.name = "system_properties"; 8015b5c4e40SEvgeny Pinchuk sys_props.attr_props.mode = KFD_SYSFS_FILE_MODE; 8025b5c4e40SEvgeny Pinchuk sysfs_attr_init(&sys_props.attr_props); 8035b5c4e40SEvgeny Pinchuk ret = sysfs_create_file(sys_props.kobj_topology, 8045b5c4e40SEvgeny Pinchuk &sys_props.attr_props); 8055b5c4e40SEvgeny Pinchuk if (ret < 0) 8065b5c4e40SEvgeny Pinchuk return ret; 8075b5c4e40SEvgeny Pinchuk } 8085b5c4e40SEvgeny Pinchuk 8095b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_tree(); 8105b5c4e40SEvgeny Pinchuk 8115b5c4e40SEvgeny Pinchuk return kfd_build_sysfs_node_tree(); 8125b5c4e40SEvgeny Pinchuk } 8135b5c4e40SEvgeny Pinchuk 8145b5c4e40SEvgeny Pinchuk static void kfd_topology_release_sysfs(void) 8155b5c4e40SEvgeny Pinchuk { 8165b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_tree(); 8175b5c4e40SEvgeny Pinchuk if (sys_props.kobj_topology) { 8185b5c4e40SEvgeny Pinchuk sysfs_remove_file(sys_props.kobj_topology, 8195b5c4e40SEvgeny Pinchuk &sys_props.attr_genid); 8205b5c4e40SEvgeny Pinchuk sysfs_remove_file(sys_props.kobj_topology, 8215b5c4e40SEvgeny Pinchuk &sys_props.attr_props); 8225b5c4e40SEvgeny Pinchuk if (sys_props.kobj_nodes) { 8235b5c4e40SEvgeny Pinchuk kobject_del(sys_props.kobj_nodes); 8245b5c4e40SEvgeny Pinchuk kobject_put(sys_props.kobj_nodes); 82516b9201cSOded Gabbay sys_props.kobj_nodes = NULL; 8265b5c4e40SEvgeny Pinchuk } 8275b5c4e40SEvgeny Pinchuk kobject_del(sys_props.kobj_topology); 8285b5c4e40SEvgeny Pinchuk kobject_put(sys_props.kobj_topology); 82916b9201cSOded Gabbay sys_props.kobj_topology = NULL; 8305b5c4e40SEvgeny Pinchuk } 8315b5c4e40SEvgeny Pinchuk } 8325b5c4e40SEvgeny Pinchuk 8334f449311SHarish Kasiviswanathan /* Called with write topology_lock acquired */ 8344f449311SHarish Kasiviswanathan static void kfd_topology_update_device_list(struct list_head *temp_list, 8354f449311SHarish Kasiviswanathan struct list_head *master_list) 8364f449311SHarish Kasiviswanathan { 8374f449311SHarish Kasiviswanathan while (!list_empty(temp_list)) { 8384f449311SHarish Kasiviswanathan list_move_tail(temp_list->next, master_list); 8394f449311SHarish Kasiviswanathan sys_props.num_devices++; 8404f449311SHarish Kasiviswanathan } 8414f449311SHarish Kasiviswanathan } 8424f449311SHarish Kasiviswanathan 843520b8fb7SFelix Kuehling static void kfd_debug_print_topology(void) 844520b8fb7SFelix Kuehling { 845520b8fb7SFelix Kuehling struct kfd_topology_device *dev; 846520b8fb7SFelix Kuehling 847520b8fb7SFelix Kuehling down_read(&topology_lock); 848520b8fb7SFelix Kuehling 849520b8fb7SFelix Kuehling dev = list_last_entry(&topology_device_list, 850520b8fb7SFelix Kuehling struct kfd_topology_device, list); 851520b8fb7SFelix Kuehling if (dev) { 852520b8fb7SFelix Kuehling if (dev->node_props.cpu_cores_count && 853520b8fb7SFelix Kuehling dev->node_props.simd_count) { 854520b8fb7SFelix Kuehling pr_info("Topology: Add APU node [0x%0x:0x%0x]\n", 855520b8fb7SFelix Kuehling dev->node_props.device_id, 856520b8fb7SFelix Kuehling dev->node_props.vendor_id); 857520b8fb7SFelix Kuehling } else if (dev->node_props.cpu_cores_count) 858520b8fb7SFelix Kuehling pr_info("Topology: Add CPU node\n"); 859520b8fb7SFelix Kuehling else if (dev->node_props.simd_count) 860520b8fb7SFelix Kuehling pr_info("Topology: Add dGPU node [0x%0x:0x%0x]\n", 861520b8fb7SFelix Kuehling dev->node_props.device_id, 862520b8fb7SFelix Kuehling dev->node_props.vendor_id); 863520b8fb7SFelix Kuehling } 864520b8fb7SFelix Kuehling up_read(&topology_lock); 865520b8fb7SFelix Kuehling } 866520b8fb7SFelix Kuehling 867520b8fb7SFelix Kuehling /* Helper function for intializing platform_xx members of 868520b8fb7SFelix Kuehling * kfd_system_properties. Uses OEM info from the last CPU/APU node. 869520b8fb7SFelix Kuehling */ 870520b8fb7SFelix Kuehling static void kfd_update_system_properties(void) 871520b8fb7SFelix Kuehling { 872520b8fb7SFelix Kuehling struct kfd_topology_device *dev; 873520b8fb7SFelix Kuehling 874520b8fb7SFelix Kuehling down_read(&topology_lock); 875520b8fb7SFelix Kuehling dev = list_last_entry(&topology_device_list, 876520b8fb7SFelix Kuehling struct kfd_topology_device, list); 877520b8fb7SFelix Kuehling if (dev) { 878520b8fb7SFelix Kuehling sys_props.platform_id = 879520b8fb7SFelix Kuehling (*((uint64_t *)dev->oem_id)) & CRAT_OEMID_64BIT_MASK; 880520b8fb7SFelix Kuehling sys_props.platform_oem = *((uint64_t *)dev->oem_table_id); 881520b8fb7SFelix Kuehling sys_props.platform_rev = dev->oem_revision; 882520b8fb7SFelix Kuehling } 883520b8fb7SFelix Kuehling up_read(&topology_lock); 884520b8fb7SFelix Kuehling } 885520b8fb7SFelix Kuehling 886520b8fb7SFelix Kuehling static void find_system_memory(const struct dmi_header *dm, 887520b8fb7SFelix Kuehling void *private) 888520b8fb7SFelix Kuehling { 889520b8fb7SFelix Kuehling struct kfd_mem_properties *mem; 890520b8fb7SFelix Kuehling u16 mem_width, mem_clock; 891520b8fb7SFelix Kuehling struct kfd_topology_device *kdev = 892520b8fb7SFelix Kuehling (struct kfd_topology_device *)private; 893520b8fb7SFelix Kuehling const u8 *dmi_data = (const u8 *)(dm + 1); 894520b8fb7SFelix Kuehling 895520b8fb7SFelix Kuehling if (dm->type == DMI_ENTRY_MEM_DEVICE && dm->length >= 0x15) { 896520b8fb7SFelix Kuehling mem_width = (u16)(*(const u16 *)(dmi_data + 0x6)); 897520b8fb7SFelix Kuehling mem_clock = (u16)(*(const u16 *)(dmi_data + 0x11)); 898520b8fb7SFelix Kuehling list_for_each_entry(mem, &kdev->mem_props, list) { 899520b8fb7SFelix Kuehling if (mem_width != 0xFFFF && mem_width != 0) 900520b8fb7SFelix Kuehling mem->width = mem_width; 901520b8fb7SFelix Kuehling if (mem_clock != 0) 902520b8fb7SFelix Kuehling mem->mem_clk_max = mem_clock; 903520b8fb7SFelix Kuehling } 904520b8fb7SFelix Kuehling } 905520b8fb7SFelix Kuehling } 906f4757347SAmber Lin 907f4757347SAmber Lin /* 908f4757347SAmber Lin * Performance counters information is not part of CRAT but we would like to 909f4757347SAmber Lin * put them in the sysfs under topology directory for Thunk to get the data. 910f4757347SAmber Lin * This function is called before updating the sysfs. 911f4757347SAmber Lin */ 912f4757347SAmber Lin static int kfd_add_perf_to_topology(struct kfd_topology_device *kdev) 913f4757347SAmber Lin { 91464d1c3a4SFelix Kuehling /* These are the only counters supported so far */ 91564d1c3a4SFelix Kuehling return kfd_iommu_add_perf_counters(kdev); 916f4757347SAmber Lin } 917f4757347SAmber Lin 918520b8fb7SFelix Kuehling /* kfd_add_non_crat_information - Add information that is not currently 919520b8fb7SFelix Kuehling * defined in CRAT but is necessary for KFD topology 920520b8fb7SFelix Kuehling * @dev - topology device to which addition info is added 921520b8fb7SFelix Kuehling */ 922520b8fb7SFelix Kuehling static void kfd_add_non_crat_information(struct kfd_topology_device *kdev) 923520b8fb7SFelix Kuehling { 924520b8fb7SFelix Kuehling /* Check if CPU only node. */ 925520b8fb7SFelix Kuehling if (!kdev->gpu) { 926520b8fb7SFelix Kuehling /* Add system memory information */ 927520b8fb7SFelix Kuehling dmi_walk(find_system_memory, kdev); 928520b8fb7SFelix Kuehling } 929520b8fb7SFelix Kuehling /* TODO: For GPU node, rearrange code from kfd_topology_add_device */ 930520b8fb7SFelix Kuehling } 931520b8fb7SFelix Kuehling 932b441093eSHarish Kasiviswanathan /* kfd_is_acpi_crat_invalid - CRAT from ACPI is valid only for AMD APU devices. 933b441093eSHarish Kasiviswanathan * Ignore CRAT for all other devices. AMD APU is identified if both CPU 934b441093eSHarish Kasiviswanathan * and GPU cores are present. 935b441093eSHarish Kasiviswanathan * @device_list - topology device list created by parsing ACPI CRAT table. 936b441093eSHarish Kasiviswanathan * @return - TRUE if invalid, FALSE is valid. 937b441093eSHarish Kasiviswanathan */ 938b441093eSHarish Kasiviswanathan static bool kfd_is_acpi_crat_invalid(struct list_head *device_list) 939b441093eSHarish Kasiviswanathan { 940b441093eSHarish Kasiviswanathan struct kfd_topology_device *dev; 941b441093eSHarish Kasiviswanathan 942b441093eSHarish Kasiviswanathan list_for_each_entry(dev, device_list, list) { 943b441093eSHarish Kasiviswanathan if (dev->node_props.cpu_cores_count && 944b441093eSHarish Kasiviswanathan dev->node_props.simd_count) 945b441093eSHarish Kasiviswanathan return false; 946b441093eSHarish Kasiviswanathan } 947b441093eSHarish Kasiviswanathan pr_info("Ignoring ACPI CRAT on non-APU system\n"); 948b441093eSHarish Kasiviswanathan return true; 949b441093eSHarish Kasiviswanathan } 950b441093eSHarish Kasiviswanathan 9515b5c4e40SEvgeny Pinchuk int kfd_topology_init(void) 9525b5c4e40SEvgeny Pinchuk { 95316b9201cSOded Gabbay void *crat_image = NULL; 9545b5c4e40SEvgeny Pinchuk size_t image_size = 0; 9555b5c4e40SEvgeny Pinchuk int ret; 9564f449311SHarish Kasiviswanathan struct list_head temp_topology_device_list; 957520b8fb7SFelix Kuehling int cpu_only_node = 0; 958520b8fb7SFelix Kuehling struct kfd_topology_device *kdev; 959520b8fb7SFelix Kuehling int proximity_domain; 9605b5c4e40SEvgeny Pinchuk 9614f449311SHarish Kasiviswanathan /* topology_device_list - Master list of all topology devices 9624f449311SHarish Kasiviswanathan * temp_topology_device_list - temporary list created while parsing CRAT 9634f449311SHarish Kasiviswanathan * or VCRAT. Once parsing is complete the contents of list is moved to 9644f449311SHarish Kasiviswanathan * topology_device_list 9655b5c4e40SEvgeny Pinchuk */ 9664f449311SHarish Kasiviswanathan 9674f449311SHarish Kasiviswanathan /* Initialize the head for the both the lists */ 9685b5c4e40SEvgeny Pinchuk INIT_LIST_HEAD(&topology_device_list); 9694f449311SHarish Kasiviswanathan INIT_LIST_HEAD(&temp_topology_device_list); 9705b5c4e40SEvgeny Pinchuk init_rwsem(&topology_lock); 9715b5c4e40SEvgeny Pinchuk 9725b5c4e40SEvgeny Pinchuk memset(&sys_props, 0, sizeof(sys_props)); 9735b5c4e40SEvgeny Pinchuk 974520b8fb7SFelix Kuehling /* Proximity domains in ACPI CRAT tables start counting at 975520b8fb7SFelix Kuehling * 0. The same should be true for virtual CRAT tables created 976520b8fb7SFelix Kuehling * at this stage. GPUs added later in kfd_topology_add_device 977520b8fb7SFelix Kuehling * use a counter. 978520b8fb7SFelix Kuehling */ 979520b8fb7SFelix Kuehling proximity_domain = 0; 980520b8fb7SFelix Kuehling 9815b5c4e40SEvgeny Pinchuk /* 982520b8fb7SFelix Kuehling * Get the CRAT image from the ACPI. If ACPI doesn't have one 983b441093eSHarish Kasiviswanathan * or if ACPI CRAT is invalid create a virtual CRAT. 984520b8fb7SFelix Kuehling * NOTE: The current implementation expects all AMD APUs to have 985520b8fb7SFelix Kuehling * CRAT. If no CRAT is available, it is assumed to be a CPU 9865b5c4e40SEvgeny Pinchuk */ 9878e05247dSHarish Kasiviswanathan ret = kfd_create_crat_image_acpi(&crat_image, &image_size); 9888e05247dSHarish Kasiviswanathan if (!ret) { 9894f449311SHarish Kasiviswanathan ret = kfd_parse_crat_table(crat_image, 990520b8fb7SFelix Kuehling &temp_topology_device_list, 991520b8fb7SFelix Kuehling proximity_domain); 992b441093eSHarish Kasiviswanathan if (ret || 993b441093eSHarish Kasiviswanathan kfd_is_acpi_crat_invalid(&temp_topology_device_list)) { 994520b8fb7SFelix Kuehling kfd_release_topology_device_list( 995520b8fb7SFelix Kuehling &temp_topology_device_list); 996520b8fb7SFelix Kuehling kfd_destroy_crat_image(crat_image); 997520b8fb7SFelix Kuehling crat_image = NULL; 998520b8fb7SFelix Kuehling } 999520b8fb7SFelix Kuehling } 1000520b8fb7SFelix Kuehling 1001520b8fb7SFelix Kuehling if (!crat_image) { 1002520b8fb7SFelix Kuehling ret = kfd_create_crat_image_virtual(&crat_image, &image_size, 1003520b8fb7SFelix Kuehling COMPUTE_UNIT_CPU, NULL, 1004520b8fb7SFelix Kuehling proximity_domain); 1005520b8fb7SFelix Kuehling cpu_only_node = 1; 1006520b8fb7SFelix Kuehling if (ret) { 1007520b8fb7SFelix Kuehling pr_err("Error creating VCRAT table for CPU\n"); 1008520b8fb7SFelix Kuehling return ret; 1009520b8fb7SFelix Kuehling } 1010520b8fb7SFelix Kuehling 1011520b8fb7SFelix Kuehling ret = kfd_parse_crat_table(crat_image, 1012520b8fb7SFelix Kuehling &temp_topology_device_list, 1013520b8fb7SFelix Kuehling proximity_domain); 1014520b8fb7SFelix Kuehling if (ret) { 1015520b8fb7SFelix Kuehling pr_err("Error parsing VCRAT table for CPU\n"); 10168e05247dSHarish Kasiviswanathan goto err; 1017520b8fb7SFelix Kuehling } 10185b5c4e40SEvgeny Pinchuk } 10195b5c4e40SEvgeny Pinchuk 1020f4757347SAmber Lin kdev = list_first_entry(&temp_topology_device_list, 1021f4757347SAmber Lin struct kfd_topology_device, list); 1022f4757347SAmber Lin kfd_add_perf_to_topology(kdev); 1023f4757347SAmber Lin 10245b5c4e40SEvgeny Pinchuk down_write(&topology_lock); 10254f449311SHarish Kasiviswanathan kfd_topology_update_device_list(&temp_topology_device_list, 10264f449311SHarish Kasiviswanathan &topology_device_list); 1027520b8fb7SFelix Kuehling atomic_set(&topology_crat_proximity_domain, sys_props.num_devices-1); 10285b5c4e40SEvgeny Pinchuk ret = kfd_topology_update_sysfs(); 10295b5c4e40SEvgeny Pinchuk up_write(&topology_lock); 10308e05247dSHarish Kasiviswanathan 10314f449311SHarish Kasiviswanathan if (!ret) { 10324f449311SHarish Kasiviswanathan sys_props.generation_count++; 1033520b8fb7SFelix Kuehling kfd_update_system_properties(); 1034520b8fb7SFelix Kuehling kfd_debug_print_topology(); 10358e05247dSHarish Kasiviswanathan pr_info("Finished initializing topology\n"); 10364f449311SHarish Kasiviswanathan } else 10378e05247dSHarish Kasiviswanathan pr_err("Failed to update topology in sysfs ret=%d\n", ret); 10385b5c4e40SEvgeny Pinchuk 1039520b8fb7SFelix Kuehling /* For nodes with GPU, this information gets added 1040520b8fb7SFelix Kuehling * when GPU is detected (kfd_topology_add_device). 1041520b8fb7SFelix Kuehling */ 1042520b8fb7SFelix Kuehling if (cpu_only_node) { 1043520b8fb7SFelix Kuehling /* Add additional information to CPU only node created above */ 1044520b8fb7SFelix Kuehling down_write(&topology_lock); 1045520b8fb7SFelix Kuehling kdev = list_first_entry(&topology_device_list, 1046520b8fb7SFelix Kuehling struct kfd_topology_device, list); 1047520b8fb7SFelix Kuehling up_write(&topology_lock); 1048520b8fb7SFelix Kuehling kfd_add_non_crat_information(kdev); 1049520b8fb7SFelix Kuehling } 1050520b8fb7SFelix Kuehling 10515b5c4e40SEvgeny Pinchuk err: 10528e05247dSHarish Kasiviswanathan kfd_destroy_crat_image(crat_image); 10535b5c4e40SEvgeny Pinchuk return ret; 10545b5c4e40SEvgeny Pinchuk } 10555b5c4e40SEvgeny Pinchuk 10565b5c4e40SEvgeny Pinchuk void kfd_topology_shutdown(void) 10575b5c4e40SEvgeny Pinchuk { 10584f449311SHarish Kasiviswanathan down_write(&topology_lock); 10595b5c4e40SEvgeny Pinchuk kfd_topology_release_sysfs(); 10605b5c4e40SEvgeny Pinchuk kfd_release_live_view(); 10614f449311SHarish Kasiviswanathan up_write(&topology_lock); 10625b5c4e40SEvgeny Pinchuk } 10635b5c4e40SEvgeny Pinchuk 10645b5c4e40SEvgeny Pinchuk static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu) 10655b5c4e40SEvgeny Pinchuk { 10665b5c4e40SEvgeny Pinchuk uint32_t hashout; 10675b5c4e40SEvgeny Pinchuk uint32_t buf[7]; 1068585f0e6cSEdward O'Callaghan uint64_t local_mem_size; 10695b5c4e40SEvgeny Pinchuk int i; 10700504cccfSHarish Kasiviswanathan struct kfd_local_mem_info local_mem_info; 10715b5c4e40SEvgeny Pinchuk 10725b5c4e40SEvgeny Pinchuk if (!gpu) 10735b5c4e40SEvgeny Pinchuk return 0; 10745b5c4e40SEvgeny Pinchuk 10757cd52c91SAmber Lin amdgpu_amdkfd_get_local_mem_info(gpu->kgd, &local_mem_info); 10760504cccfSHarish Kasiviswanathan 10770504cccfSHarish Kasiviswanathan local_mem_size = local_mem_info.local_mem_size_private + 10780504cccfSHarish Kasiviswanathan local_mem_info.local_mem_size_public; 1079585f0e6cSEdward O'Callaghan 10805b5c4e40SEvgeny Pinchuk buf[0] = gpu->pdev->devfn; 10815b5c4e40SEvgeny Pinchuk buf[1] = gpu->pdev->subsystem_vendor; 10825b5c4e40SEvgeny Pinchuk buf[2] = gpu->pdev->subsystem_device; 10835b5c4e40SEvgeny Pinchuk buf[3] = gpu->pdev->device; 10845b5c4e40SEvgeny Pinchuk buf[4] = gpu->pdev->bus->number; 1085585f0e6cSEdward O'Callaghan buf[5] = lower_32_bits(local_mem_size); 1086585f0e6cSEdward O'Callaghan buf[6] = upper_32_bits(local_mem_size); 10875b5c4e40SEvgeny Pinchuk 10885b5c4e40SEvgeny Pinchuk for (i = 0, hashout = 0; i < 7; i++) 10895b5c4e40SEvgeny Pinchuk hashout ^= hash_32(buf[i], KFD_GPU_ID_HASH_WIDTH); 10905b5c4e40SEvgeny Pinchuk 10915b5c4e40SEvgeny Pinchuk return hashout; 10925b5c4e40SEvgeny Pinchuk } 10933a87177eSHarish Kasiviswanathan /* kfd_assign_gpu - Attach @gpu to the correct kfd topology device. If 10943a87177eSHarish Kasiviswanathan * the GPU device is not already present in the topology device 10953a87177eSHarish Kasiviswanathan * list then return NULL. This means a new topology device has to 10963a87177eSHarish Kasiviswanathan * be created for this GPU. 10973a87177eSHarish Kasiviswanathan */ 10985b5c4e40SEvgeny Pinchuk static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu) 10995b5c4e40SEvgeny Pinchuk { 11005b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 110116b9201cSOded Gabbay struct kfd_topology_device *out_dev = NULL; 11025b5c4e40SEvgeny Pinchuk 11033a87177eSHarish Kasiviswanathan down_write(&topology_lock); 1104b8fe0524SFelix Kuehling list_for_each_entry(dev, &topology_device_list, list) { 1105b8fe0524SFelix Kuehling /* Discrete GPUs need their own topology device list 1106b8fe0524SFelix Kuehling * entries. Don't assign them to CPU/APU nodes. 1107b8fe0524SFelix Kuehling */ 1108b8fe0524SFelix Kuehling if (!gpu->device_info->needs_iommu_device && 1109b8fe0524SFelix Kuehling dev->node_props.cpu_cores_count) 1110b8fe0524SFelix Kuehling continue; 1111b8fe0524SFelix Kuehling 11124eacc26bSKent Russell if (!dev->gpu && (dev->node_props.simd_count > 0)) { 11135b5c4e40SEvgeny Pinchuk dev->gpu = gpu; 11145b5c4e40SEvgeny Pinchuk out_dev = dev; 11155b5c4e40SEvgeny Pinchuk break; 11165b5c4e40SEvgeny Pinchuk } 1117b8fe0524SFelix Kuehling } 11183a87177eSHarish Kasiviswanathan up_write(&topology_lock); 11195b5c4e40SEvgeny Pinchuk return out_dev; 11205b5c4e40SEvgeny Pinchuk } 11215b5c4e40SEvgeny Pinchuk 11225b5c4e40SEvgeny Pinchuk static void kfd_notify_gpu_change(uint32_t gpu_id, int arrival) 11235b5c4e40SEvgeny Pinchuk { 11245b5c4e40SEvgeny Pinchuk /* 11255b5c4e40SEvgeny Pinchuk * TODO: Generate an event for thunk about the arrival/removal 11265b5c4e40SEvgeny Pinchuk * of the GPU 11275b5c4e40SEvgeny Pinchuk */ 11285b5c4e40SEvgeny Pinchuk } 11295b5c4e40SEvgeny Pinchuk 11303a87177eSHarish Kasiviswanathan /* kfd_fill_mem_clk_max_info - Since CRAT doesn't have memory clock info, 11313a87177eSHarish Kasiviswanathan * patch this after CRAT parsing. 11323a87177eSHarish Kasiviswanathan */ 11333a87177eSHarish Kasiviswanathan static void kfd_fill_mem_clk_max_info(struct kfd_topology_device *dev) 11343a87177eSHarish Kasiviswanathan { 11353a87177eSHarish Kasiviswanathan struct kfd_mem_properties *mem; 11363a87177eSHarish Kasiviswanathan struct kfd_local_mem_info local_mem_info; 11373a87177eSHarish Kasiviswanathan 11383a87177eSHarish Kasiviswanathan if (!dev) 11393a87177eSHarish Kasiviswanathan return; 11403a87177eSHarish Kasiviswanathan 11413a87177eSHarish Kasiviswanathan /* Currently, amdgpu driver (amdgpu_mc) deals only with GPUs with 11423a87177eSHarish Kasiviswanathan * single bank of VRAM local memory. 11433a87177eSHarish Kasiviswanathan * for dGPUs - VCRAT reports only one bank of Local Memory 11443a87177eSHarish Kasiviswanathan * for APUs - If CRAT from ACPI reports more than one bank, then 11453a87177eSHarish Kasiviswanathan * all the banks will report the same mem_clk_max information 11463a87177eSHarish Kasiviswanathan */ 11477cd52c91SAmber Lin amdgpu_amdkfd_get_local_mem_info(dev->gpu->kgd, &local_mem_info); 11483a87177eSHarish Kasiviswanathan 11493a87177eSHarish Kasiviswanathan list_for_each_entry(mem, &dev->mem_props, list) 11503a87177eSHarish Kasiviswanathan mem->mem_clk_max = local_mem_info.mem_clk_max; 11513a87177eSHarish Kasiviswanathan } 11523a87177eSHarish Kasiviswanathan 11533a87177eSHarish Kasiviswanathan static void kfd_fill_iolink_non_crat_info(struct kfd_topology_device *dev) 11543a87177eSHarish Kasiviswanathan { 1155d35f00d8SEric Huang struct kfd_iolink_properties *link, *cpu_link; 1156d35f00d8SEric Huang struct kfd_topology_device *cpu_dev; 1157d35f00d8SEric Huang uint32_t cap; 1158d35f00d8SEric Huang uint32_t cpu_flag = CRAT_IOLINK_FLAGS_ENABLED; 1159d35f00d8SEric Huang uint32_t flag = CRAT_IOLINK_FLAGS_ENABLED; 11603a87177eSHarish Kasiviswanathan 11613a87177eSHarish Kasiviswanathan if (!dev || !dev->gpu) 11623a87177eSHarish Kasiviswanathan return; 11633a87177eSHarish Kasiviswanathan 1164d35f00d8SEric Huang pcie_capability_read_dword(dev->gpu->pdev, 1165d35f00d8SEric Huang PCI_EXP_DEVCAP2, &cap); 1166d35f00d8SEric Huang 1167d35f00d8SEric Huang if (!(cap & (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | 1168d35f00d8SEric Huang PCI_EXP_DEVCAP2_ATOMIC_COMP64))) 1169d35f00d8SEric Huang cpu_flag |= CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT | 11703a87177eSHarish Kasiviswanathan CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT; 1171d35f00d8SEric Huang 1172d35f00d8SEric Huang if (!dev->gpu->pci_atomic_requested || 1173d35f00d8SEric Huang dev->gpu->device_info->asic_family == CHIP_HAWAII) 1174d35f00d8SEric Huang flag |= CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT | 1175d35f00d8SEric Huang CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT; 1176d35f00d8SEric Huang 1177d35f00d8SEric Huang /* GPU only creates direct links so apply flags setting to all */ 1178d35f00d8SEric Huang list_for_each_entry(link, &dev->io_link_props, list) { 1179d35f00d8SEric Huang link->flags = flag; 1180d35f00d8SEric Huang cpu_dev = kfd_topology_device_by_proximity_domain( 1181d35f00d8SEric Huang link->node_to); 1182d35f00d8SEric Huang if (cpu_dev) { 1183d35f00d8SEric Huang list_for_each_entry(cpu_link, 1184d35f00d8SEric Huang &cpu_dev->io_link_props, list) 1185d35f00d8SEric Huang if (cpu_link->node_to == link->node_from) 1186d35f00d8SEric Huang cpu_link->flags = cpu_flag; 1187d35f00d8SEric Huang } 1188d35f00d8SEric Huang } 11893a87177eSHarish Kasiviswanathan } 11903a87177eSHarish Kasiviswanathan 11915b5c4e40SEvgeny Pinchuk int kfd_topology_add_device(struct kfd_dev *gpu) 11925b5c4e40SEvgeny Pinchuk { 11935b5c4e40SEvgeny Pinchuk uint32_t gpu_id; 11945b5c4e40SEvgeny Pinchuk struct kfd_topology_device *dev; 1195f7ce2fadSFlora Cui struct kfd_cu_info cu_info; 11964f449311SHarish Kasiviswanathan int res = 0; 11974f449311SHarish Kasiviswanathan struct list_head temp_topology_device_list; 11983a87177eSHarish Kasiviswanathan void *crat_image = NULL; 11993a87177eSHarish Kasiviswanathan size_t image_size = 0; 12003a87177eSHarish Kasiviswanathan int proximity_domain; 12010dee45a2SEric Huang struct amdgpu_ras *ctx; 12024f449311SHarish Kasiviswanathan 12034f449311SHarish Kasiviswanathan INIT_LIST_HEAD(&temp_topology_device_list); 12045b5c4e40SEvgeny Pinchuk 12055b5c4e40SEvgeny Pinchuk gpu_id = kfd_generate_gpu_id(gpu); 12065b5c4e40SEvgeny Pinchuk 120779775b62SKent Russell pr_debug("Adding new GPU (ID: 0x%x) to topology\n", gpu_id); 12085b5c4e40SEvgeny Pinchuk 12093a87177eSHarish Kasiviswanathan proximity_domain = atomic_inc_return(&topology_crat_proximity_domain); 12103a87177eSHarish Kasiviswanathan 12113a87177eSHarish Kasiviswanathan /* Check to see if this gpu device exists in the topology_device_list. 12123a87177eSHarish Kasiviswanathan * If so, assign the gpu to that device, 12133a87177eSHarish Kasiviswanathan * else create a Virtual CRAT for this gpu device and then parse that 12143a87177eSHarish Kasiviswanathan * CRAT to create a new topology device. Once created assign the gpu to 12153a87177eSHarish Kasiviswanathan * that topology device 12165b5c4e40SEvgeny Pinchuk */ 12175b5c4e40SEvgeny Pinchuk dev = kfd_assign_gpu(gpu); 12185b5c4e40SEvgeny Pinchuk if (!dev) { 12193a87177eSHarish Kasiviswanathan res = kfd_create_crat_image_virtual(&crat_image, &image_size, 12203a87177eSHarish Kasiviswanathan COMPUTE_UNIT_GPU, gpu, 12213a87177eSHarish Kasiviswanathan proximity_domain); 12223a87177eSHarish Kasiviswanathan if (res) { 12233a87177eSHarish Kasiviswanathan pr_err("Error creating VCRAT for GPU (ID: 0x%x)\n", 12243a87177eSHarish Kasiviswanathan gpu_id); 12253a87177eSHarish Kasiviswanathan return res; 12263a87177eSHarish Kasiviswanathan } 12273a87177eSHarish Kasiviswanathan res = kfd_parse_crat_table(crat_image, 12283a87177eSHarish Kasiviswanathan &temp_topology_device_list, 12293a87177eSHarish Kasiviswanathan proximity_domain); 12303a87177eSHarish Kasiviswanathan if (res) { 12313a87177eSHarish Kasiviswanathan pr_err("Error parsing VCRAT for GPU (ID: 0x%x)\n", 12323a87177eSHarish Kasiviswanathan gpu_id); 12335b5c4e40SEvgeny Pinchuk goto err; 12345b5c4e40SEvgeny Pinchuk } 12354f449311SHarish Kasiviswanathan 12364f449311SHarish Kasiviswanathan down_write(&topology_lock); 12374f449311SHarish Kasiviswanathan kfd_topology_update_device_list(&temp_topology_device_list, 12384f449311SHarish Kasiviswanathan &topology_device_list); 12394f449311SHarish Kasiviswanathan 12408eabaf54SKent Russell /* Update the SYSFS tree, since we added another topology 12418eabaf54SKent Russell * device 12425b5c4e40SEvgeny Pinchuk */ 12433a87177eSHarish Kasiviswanathan res = kfd_topology_update_sysfs(); 12444f449311SHarish Kasiviswanathan up_write(&topology_lock); 12454f449311SHarish Kasiviswanathan 12463a87177eSHarish Kasiviswanathan if (!res) 12473a87177eSHarish Kasiviswanathan sys_props.generation_count++; 12483a87177eSHarish Kasiviswanathan else 12493a87177eSHarish Kasiviswanathan pr_err("Failed to update GPU (ID: 0x%x) to sysfs topology. res=%d\n", 12503a87177eSHarish Kasiviswanathan gpu_id, res); 12513a87177eSHarish Kasiviswanathan dev = kfd_assign_gpu(gpu); 12523a87177eSHarish Kasiviswanathan if (WARN_ON(!dev)) { 12533a87177eSHarish Kasiviswanathan res = -ENODEV; 12543a87177eSHarish Kasiviswanathan goto err; 12553a87177eSHarish Kasiviswanathan } 12565b5c4e40SEvgeny Pinchuk } 12575b5c4e40SEvgeny Pinchuk 12585b5c4e40SEvgeny Pinchuk dev->gpu_id = gpu_id; 12595b5c4e40SEvgeny Pinchuk gpu->id = gpu_id; 12603a87177eSHarish Kasiviswanathan 12613a87177eSHarish Kasiviswanathan /* TODO: Move the following lines to function 12623a87177eSHarish Kasiviswanathan * kfd_add_non_crat_information 12633a87177eSHarish Kasiviswanathan */ 12643a87177eSHarish Kasiviswanathan 12653a87177eSHarish Kasiviswanathan /* Fill-in additional information that is not available in CRAT but 12663a87177eSHarish Kasiviswanathan * needed for the topology 12673a87177eSHarish Kasiviswanathan */ 12683a87177eSHarish Kasiviswanathan 12697cd52c91SAmber Lin amdgpu_amdkfd_get_cu_info(dev->gpu->kgd, &cu_info); 12703a87177eSHarish Kasiviswanathan dev->node_props.simd_arrays_per_engine = 12713a87177eSHarish Kasiviswanathan cu_info.num_shader_arrays_per_engine; 12723a87177eSHarish Kasiviswanathan 12735b5c4e40SEvgeny Pinchuk dev->node_props.vendor_id = gpu->pdev->vendor; 12745b5c4e40SEvgeny Pinchuk dev->node_props.device_id = gpu->pdev->device; 1275d63f0ba2SHarish Kasiviswanathan dev->node_props.location_id = PCI_DEVID(gpu->pdev->bus->number, 1276d63f0ba2SHarish Kasiviswanathan gpu->pdev->devfn); 12773a87177eSHarish Kasiviswanathan dev->node_props.max_engine_clk_fcompute = 12787cd52c91SAmber Lin amdgpu_amdkfd_get_max_engine_clock_in_mhz(dev->gpu->kgd); 12793a87177eSHarish Kasiviswanathan dev->node_props.max_engine_clk_ccompute = 12803a87177eSHarish Kasiviswanathan cpufreq_quick_get_max(0) / 1000; 12817c9b7171SOak Zeng dev->node_props.drm_render_minor = 12827c9b7171SOak Zeng gpu->shared_resources.drm_render_minor; 12835b5c4e40SEvgeny Pinchuk 12840c1690e3SShaoyun Liu dev->node_props.hive_id = gpu->hive_id; 12850c1690e3SShaoyun Liu 12863a87177eSHarish Kasiviswanathan kfd_fill_mem_clk_max_info(dev); 12873a87177eSHarish Kasiviswanathan kfd_fill_iolink_non_crat_info(dev); 12883a87177eSHarish Kasiviswanathan 12893a87177eSHarish Kasiviswanathan switch (dev->gpu->device_info->asic_family) { 12903a87177eSHarish Kasiviswanathan case CHIP_KAVERI: 12913a87177eSHarish Kasiviswanathan case CHIP_HAWAII: 12923a87177eSHarish Kasiviswanathan case CHIP_TONGA: 12933a87177eSHarish Kasiviswanathan dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_PRE_1_0 << 12943a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & 12953a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); 12963a87177eSHarish Kasiviswanathan break; 12973a87177eSHarish Kasiviswanathan case CHIP_CARRIZO: 12983a87177eSHarish Kasiviswanathan case CHIP_FIJI: 12993a87177eSHarish Kasiviswanathan case CHIP_POLARIS10: 13003a87177eSHarish Kasiviswanathan case CHIP_POLARIS11: 1301846a44d7SGang Ba case CHIP_POLARIS12: 130242aa8793SFelix Kuehling pr_debug("Adding doorbell packet type capability\n"); 13033a87177eSHarish Kasiviswanathan dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_1_0 << 13043a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & 13053a87177eSHarish Kasiviswanathan HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); 13063a87177eSHarish Kasiviswanathan break; 1307389056e5SFelix Kuehling case CHIP_VEGA10: 1308846a44d7SGang Ba case CHIP_VEGA12: 130922a3a294SShaoyun Liu case CHIP_VEGA20: 1310389056e5SFelix Kuehling case CHIP_RAVEN: 1311389056e5SFelix Kuehling dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_2_0 << 1312389056e5SFelix Kuehling HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & 1313389056e5SFelix Kuehling HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); 1314389056e5SFelix Kuehling break; 13153a87177eSHarish Kasiviswanathan default: 13163a87177eSHarish Kasiviswanathan WARN(1, "Unexpected ASIC family %u", 13173a87177eSHarish Kasiviswanathan dev->gpu->device_info->asic_family); 13187639a8c4SBen Goz } 13197639a8c4SBen Goz 13203a87177eSHarish Kasiviswanathan /* Fix errors in CZ CRAT. 13213a87177eSHarish Kasiviswanathan * simd_count: Carrizo CRAT reports wrong simd_count, probably 13223a87177eSHarish Kasiviswanathan * because it doesn't consider masked out CUs 132370f372bfSPhilip Cox * max_waves_per_simd: Carrizo reports wrong max_waves_per_simd 132470f372bfSPhilip Cox * capability flag: Carrizo CRAT doesn't report IOMMU flags 13253a87177eSHarish Kasiviswanathan */ 132670f372bfSPhilip Cox if (dev->gpu->device_info->asic_family == CHIP_CARRIZO) { 13273a87177eSHarish Kasiviswanathan dev->node_props.simd_count = 13283a87177eSHarish Kasiviswanathan cu_info.simd_per_cu * cu_info.cu_active_number; 132970f372bfSPhilip Cox dev->node_props.max_waves_per_simd = 10; 133070f372bfSPhilip Cox dev->node_props.capability |= HSA_CAP_ATS_PRESENT; 133170f372bfSPhilip Cox } 13323a87177eSHarish Kasiviswanathan 13330dee45a2SEric Huang ctx = amdgpu_ras_get_context((struct amdgpu_device *)(dev->gpu->kgd)); 13340dee45a2SEric Huang if (ctx) { 13350dee45a2SEric Huang /* kfd only concerns sram ecc on GFX/SDMA and HBM ecc on UMC */ 13360dee45a2SEric Huang dev->node_props.capability |= 13370dee45a2SEric Huang (((ctx->features & BIT(AMDGPU_RAS_BLOCK__SDMA)) != 0) || 13380dee45a2SEric Huang ((ctx->features & BIT(AMDGPU_RAS_BLOCK__GFX)) != 0)) ? 13390dee45a2SEric Huang HSA_CAP_SRAM_EDCSUPPORTED : 0; 13400dee45a2SEric Huang dev->node_props.capability |= ((ctx->features & BIT(AMDGPU_RAS_BLOCK__UMC)) != 0) ? 13410dee45a2SEric Huang HSA_CAP_MEM_EDCSUPPORTED : 0; 13420dee45a2SEric Huang 13430dee45a2SEric Huang dev->node_props.capability |= (ctx->features != 0) ? 13440dee45a2SEric Huang HSA_CAP_RASEVENTNOTIFY : 0; 13450dee45a2SEric Huang } 13460dee45a2SEric Huang 13473a87177eSHarish Kasiviswanathan kfd_debug_print_topology(); 13483a87177eSHarish Kasiviswanathan 13494f449311SHarish Kasiviswanathan if (!res) 13505b5c4e40SEvgeny Pinchuk kfd_notify_gpu_change(gpu_id, 1); 13514f449311SHarish Kasiviswanathan err: 13523a87177eSHarish Kasiviswanathan kfd_destroy_crat_image(crat_image); 13535b5c4e40SEvgeny Pinchuk return res; 13545b5c4e40SEvgeny Pinchuk } 13555b5c4e40SEvgeny Pinchuk 13565b5c4e40SEvgeny Pinchuk int kfd_topology_remove_device(struct kfd_dev *gpu) 13575b5c4e40SEvgeny Pinchuk { 13584f449311SHarish Kasiviswanathan struct kfd_topology_device *dev, *tmp; 13595b5c4e40SEvgeny Pinchuk uint32_t gpu_id; 13605b5c4e40SEvgeny Pinchuk int res = -ENODEV; 13615b5c4e40SEvgeny Pinchuk 13625b5c4e40SEvgeny Pinchuk down_write(&topology_lock); 13635b5c4e40SEvgeny Pinchuk 13644f449311SHarish Kasiviswanathan list_for_each_entry_safe(dev, tmp, &topology_device_list, list) 13655b5c4e40SEvgeny Pinchuk if (dev->gpu == gpu) { 13665b5c4e40SEvgeny Pinchuk gpu_id = dev->gpu_id; 13675b5c4e40SEvgeny Pinchuk kfd_remove_sysfs_node_entry(dev); 13685b5c4e40SEvgeny Pinchuk kfd_release_topology_device(dev); 13694f449311SHarish Kasiviswanathan sys_props.num_devices--; 13705b5c4e40SEvgeny Pinchuk res = 0; 13715b5c4e40SEvgeny Pinchuk if (kfd_topology_update_sysfs() < 0) 13725b5c4e40SEvgeny Pinchuk kfd_topology_release_sysfs(); 13735b5c4e40SEvgeny Pinchuk break; 13745b5c4e40SEvgeny Pinchuk } 13755b5c4e40SEvgeny Pinchuk 13765b5c4e40SEvgeny Pinchuk up_write(&topology_lock); 13775b5c4e40SEvgeny Pinchuk 1378174de876SFelix Kuehling if (!res) 13795b5c4e40SEvgeny Pinchuk kfd_notify_gpu_change(gpu_id, 0); 13805b5c4e40SEvgeny Pinchuk 13815b5c4e40SEvgeny Pinchuk return res; 13825b5c4e40SEvgeny Pinchuk } 13835b5c4e40SEvgeny Pinchuk 13846d82eb0eSHarish Kasiviswanathan /* kfd_topology_enum_kfd_devices - Enumerate through all devices in KFD 13856d82eb0eSHarish Kasiviswanathan * topology. If GPU device is found @idx, then valid kfd_dev pointer is 13866d82eb0eSHarish Kasiviswanathan * returned through @kdev 13876d82eb0eSHarish Kasiviswanathan * Return - 0: On success (@kdev will be NULL for non GPU nodes) 13886d82eb0eSHarish Kasiviswanathan * -1: If end of list 13895b5c4e40SEvgeny Pinchuk */ 13906d82eb0eSHarish Kasiviswanathan int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev) 13915b5c4e40SEvgeny Pinchuk { 13925b5c4e40SEvgeny Pinchuk 13935b5c4e40SEvgeny Pinchuk struct kfd_topology_device *top_dev; 13945b5c4e40SEvgeny Pinchuk uint8_t device_idx = 0; 13955b5c4e40SEvgeny Pinchuk 13966d82eb0eSHarish Kasiviswanathan *kdev = NULL; 13975b5c4e40SEvgeny Pinchuk down_read(&topology_lock); 13985b5c4e40SEvgeny Pinchuk 13995b5c4e40SEvgeny Pinchuk list_for_each_entry(top_dev, &topology_device_list, list) { 14005b5c4e40SEvgeny Pinchuk if (device_idx == idx) { 14016d82eb0eSHarish Kasiviswanathan *kdev = top_dev->gpu; 14026d82eb0eSHarish Kasiviswanathan up_read(&topology_lock); 14036d82eb0eSHarish Kasiviswanathan return 0; 14045b5c4e40SEvgeny Pinchuk } 14055b5c4e40SEvgeny Pinchuk 14065b5c4e40SEvgeny Pinchuk device_idx++; 14075b5c4e40SEvgeny Pinchuk } 14085b5c4e40SEvgeny Pinchuk 14095b5c4e40SEvgeny Pinchuk up_read(&topology_lock); 14105b5c4e40SEvgeny Pinchuk 14116d82eb0eSHarish Kasiviswanathan return -1; 14125b5c4e40SEvgeny Pinchuk 14135b5c4e40SEvgeny Pinchuk } 1414851a645eSFelix Kuehling 1415520b8fb7SFelix Kuehling static int kfd_cpumask_to_apic_id(const struct cpumask *cpumask) 1416520b8fb7SFelix Kuehling { 1417520b8fb7SFelix Kuehling int first_cpu_of_numa_node; 1418520b8fb7SFelix Kuehling 1419520b8fb7SFelix Kuehling if (!cpumask || cpumask == cpu_none_mask) 1420520b8fb7SFelix Kuehling return -1; 1421520b8fb7SFelix Kuehling first_cpu_of_numa_node = cpumask_first(cpumask); 1422520b8fb7SFelix Kuehling if (first_cpu_of_numa_node >= nr_cpu_ids) 1423520b8fb7SFelix Kuehling return -1; 1424df1dd4f4SFelix Kuehling #ifdef CONFIG_X86_64 1425df1dd4f4SFelix Kuehling return cpu_data(first_cpu_of_numa_node).apicid; 1426df1dd4f4SFelix Kuehling #else 1427df1dd4f4SFelix Kuehling return first_cpu_of_numa_node; 1428df1dd4f4SFelix Kuehling #endif 1429520b8fb7SFelix Kuehling } 1430520b8fb7SFelix Kuehling 1431520b8fb7SFelix Kuehling /* kfd_numa_node_to_apic_id - Returns the APIC ID of the first logical processor 1432520b8fb7SFelix Kuehling * of the given NUMA node (numa_node_id) 1433520b8fb7SFelix Kuehling * Return -1 on failure 1434520b8fb7SFelix Kuehling */ 1435520b8fb7SFelix Kuehling int kfd_numa_node_to_apic_id(int numa_node_id) 1436520b8fb7SFelix Kuehling { 1437520b8fb7SFelix Kuehling if (numa_node_id == -1) { 1438520b8fb7SFelix Kuehling pr_warn("Invalid NUMA Node. Use online CPU mask\n"); 1439520b8fb7SFelix Kuehling return kfd_cpumask_to_apic_id(cpu_online_mask); 1440520b8fb7SFelix Kuehling } 1441520b8fb7SFelix Kuehling return kfd_cpumask_to_apic_id(cpumask_of_node(numa_node_id)); 1442520b8fb7SFelix Kuehling } 1443520b8fb7SFelix Kuehling 1444851a645eSFelix Kuehling #if defined(CONFIG_DEBUG_FS) 1445851a645eSFelix Kuehling 1446851a645eSFelix Kuehling int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data) 1447851a645eSFelix Kuehling { 1448851a645eSFelix Kuehling struct kfd_topology_device *dev; 1449851a645eSFelix Kuehling unsigned int i = 0; 1450851a645eSFelix Kuehling int r = 0; 1451851a645eSFelix Kuehling 1452851a645eSFelix Kuehling down_read(&topology_lock); 1453851a645eSFelix Kuehling 1454851a645eSFelix Kuehling list_for_each_entry(dev, &topology_device_list, list) { 1455851a645eSFelix Kuehling if (!dev->gpu) { 1456851a645eSFelix Kuehling i++; 1457851a645eSFelix Kuehling continue; 1458851a645eSFelix Kuehling } 1459851a645eSFelix Kuehling 1460851a645eSFelix Kuehling seq_printf(m, "Node %u, gpu_id %x:\n", i++, dev->gpu->id); 1461851a645eSFelix Kuehling r = dqm_debugfs_hqds(m, dev->gpu->dqm); 1462851a645eSFelix Kuehling if (r) 1463851a645eSFelix Kuehling break; 1464851a645eSFelix Kuehling } 1465851a645eSFelix Kuehling 1466851a645eSFelix Kuehling up_read(&topology_lock); 1467851a645eSFelix Kuehling 1468851a645eSFelix Kuehling return r; 1469851a645eSFelix Kuehling } 1470851a645eSFelix Kuehling 1471851a645eSFelix Kuehling int kfd_debugfs_rls_by_device(struct seq_file *m, void *data) 1472851a645eSFelix Kuehling { 1473851a645eSFelix Kuehling struct kfd_topology_device *dev; 1474851a645eSFelix Kuehling unsigned int i = 0; 1475851a645eSFelix Kuehling int r = 0; 1476851a645eSFelix Kuehling 1477851a645eSFelix Kuehling down_read(&topology_lock); 1478851a645eSFelix Kuehling 1479851a645eSFelix Kuehling list_for_each_entry(dev, &topology_device_list, list) { 1480851a645eSFelix Kuehling if (!dev->gpu) { 1481851a645eSFelix Kuehling i++; 1482851a645eSFelix Kuehling continue; 1483851a645eSFelix Kuehling } 1484851a645eSFelix Kuehling 1485851a645eSFelix Kuehling seq_printf(m, "Node %u, gpu_id %x:\n", i++, dev->gpu->id); 1486851a645eSFelix Kuehling r = pm_debugfs_runlist(m, &dev->gpu->dqm->packets); 1487851a645eSFelix Kuehling if (r) 1488851a645eSFelix Kuehling break; 1489851a645eSFelix Kuehling } 1490851a645eSFelix Kuehling 1491851a645eSFelix Kuehling up_read(&topology_lock); 1492851a645eSFelix Kuehling 1493851a645eSFelix Kuehling return r; 1494851a645eSFelix Kuehling } 1495851a645eSFelix Kuehling 1496851a645eSFelix Kuehling #endif 1497