1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright 2016-2019 HabanaLabs, Ltd.
8 #include "habanalabs.h"
10 #include <linux/pci.h>
12 long hl_get_frequency(struct hl_device *hdev, u32 pll_index, bool curr)
14 struct cpucp_packet pkt;
19 rc = get_used_pll_index(hdev, pll_index, &used_pll_idx);
23 memset(&pkt, 0, sizeof(pkt));
26 pkt.ctl = cpu_to_le32(CPUCP_PACKET_FREQUENCY_CURR_GET <<
27 CPUCP_PKT_CTL_OPCODE_SHIFT);
29 pkt.ctl = cpu_to_le32(CPUCP_PACKET_FREQUENCY_GET <<
30 CPUCP_PKT_CTL_OPCODE_SHIFT);
31 pkt.pll_index = cpu_to_le32((u32)used_pll_idx);
33 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
38 "Failed to get frequency of PLL %d, error %d\n",
46 void hl_set_frequency(struct hl_device *hdev, u32 pll_index, u64 freq)
48 struct cpucp_packet pkt;
52 rc = get_used_pll_index(hdev, pll_index, &used_pll_idx);
56 memset(&pkt, 0, sizeof(pkt));
58 pkt.ctl = cpu_to_le32(CPUCP_PACKET_FREQUENCY_SET <<
59 CPUCP_PKT_CTL_OPCODE_SHIFT);
60 pkt.pll_index = cpu_to_le32((u32)used_pll_idx);
61 pkt.value = cpu_to_le64(freq);
63 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
68 "Failed to set frequency to PLL %d, error %d\n",
72 u64 hl_get_max_power(struct hl_device *hdev)
74 struct cpucp_packet pkt;
78 memset(&pkt, 0, sizeof(pkt));
80 pkt.ctl = cpu_to_le32(CPUCP_PACKET_MAX_POWER_GET <<
81 CPUCP_PKT_CTL_OPCODE_SHIFT);
83 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
87 dev_err(hdev->dev, "Failed to get max power, error %d\n", rc);
94 void hl_set_max_power(struct hl_device *hdev)
96 struct cpucp_packet pkt;
99 memset(&pkt, 0, sizeof(pkt));
101 pkt.ctl = cpu_to_le32(CPUCP_PACKET_MAX_POWER_SET <<
102 CPUCP_PKT_CTL_OPCODE_SHIFT);
103 pkt.value = cpu_to_le64(hdev->max_power);
105 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
109 dev_err(hdev->dev, "Failed to set max power, error %d\n", rc);
112 static ssize_t uboot_ver_show(struct device *dev, struct device_attribute *attr,
115 struct hl_device *hdev = dev_get_drvdata(dev);
117 return sprintf(buf, "%s\n", hdev->asic_prop.uboot_ver);
120 static ssize_t armcp_kernel_ver_show(struct device *dev,
121 struct device_attribute *attr, char *buf)
123 struct hl_device *hdev = dev_get_drvdata(dev);
125 return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.kernel_version);
128 static ssize_t armcp_ver_show(struct device *dev, struct device_attribute *attr,
131 struct hl_device *hdev = dev_get_drvdata(dev);
133 return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version);
136 static ssize_t cpld_ver_show(struct device *dev, struct device_attribute *attr,
139 struct hl_device *hdev = dev_get_drvdata(dev);
141 return sprintf(buf, "0x%08x\n",
142 hdev->asic_prop.cpucp_info.cpld_version);
145 static ssize_t cpucp_kernel_ver_show(struct device *dev,
146 struct device_attribute *attr, char *buf)
148 struct hl_device *hdev = dev_get_drvdata(dev);
150 return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.kernel_version);
153 static ssize_t cpucp_ver_show(struct device *dev, struct device_attribute *attr,
156 struct hl_device *hdev = dev_get_drvdata(dev);
158 return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version);
161 static ssize_t infineon_ver_show(struct device *dev,
162 struct device_attribute *attr, char *buf)
164 struct hl_device *hdev = dev_get_drvdata(dev);
166 return sprintf(buf, "0x%04x\n",
167 hdev->asic_prop.cpucp_info.infineon_version);
170 static ssize_t fuse_ver_show(struct device *dev, struct device_attribute *attr,
173 struct hl_device *hdev = dev_get_drvdata(dev);
175 return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.fuse_version);
178 static ssize_t thermal_ver_show(struct device *dev,
179 struct device_attribute *attr, char *buf)
181 struct hl_device *hdev = dev_get_drvdata(dev);
183 return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.thermal_version);
186 static ssize_t preboot_btl_ver_show(struct device *dev,
187 struct device_attribute *attr, char *buf)
189 struct hl_device *hdev = dev_get_drvdata(dev);
191 return sprintf(buf, "%s\n", hdev->asic_prop.preboot_ver);
194 static ssize_t soft_reset_store(struct device *dev,
195 struct device_attribute *attr, const char *buf,
198 struct hl_device *hdev = dev_get_drvdata(dev);
202 rc = kstrtoul(buf, 0, &value);
209 if (!hdev->allow_external_soft_reset) {
210 dev_err(hdev->dev, "Device does not support soft-reset\n");
214 dev_warn(hdev->dev, "Soft-Reset requested through sysfs\n");
216 hl_device_reset(hdev, 0);
222 static ssize_t hard_reset_store(struct device *dev,
223 struct device_attribute *attr,
224 const char *buf, size_t count)
226 struct hl_device *hdev = dev_get_drvdata(dev);
230 rc = kstrtoul(buf, 0, &value);
237 dev_warn(hdev->dev, "Hard-Reset requested through sysfs\n");
239 hl_device_reset(hdev, HL_RESET_HARD);
245 static ssize_t device_type_show(struct device *dev,
246 struct device_attribute *attr, char *buf)
248 struct hl_device *hdev = dev_get_drvdata(dev);
251 switch (hdev->asic_type) {
262 dev_err(hdev->dev, "Unrecognized ASIC type %d\n",
267 return sprintf(buf, "%s\n", str);
270 static ssize_t pci_addr_show(struct device *dev, struct device_attribute *attr,
273 struct hl_device *hdev = dev_get_drvdata(dev);
275 return sprintf(buf, "%04x:%02x:%02x.%x\n",
276 pci_domain_nr(hdev->pdev->bus),
277 hdev->pdev->bus->number,
278 PCI_SLOT(hdev->pdev->devfn),
279 PCI_FUNC(hdev->pdev->devfn));
282 static ssize_t status_show(struct device *dev, struct device_attribute *attr,
285 struct hl_device *hdev = dev_get_drvdata(dev);
286 char str[HL_STR_MAX];
288 strscpy(str, hdev->status[hl_device_status(hdev)], HL_STR_MAX);
290 /* use uppercase for backward compatibility */
291 str[0] = 'A' + (str[0] - 'a');
293 return sprintf(buf, "%s\n", str);
296 static ssize_t soft_reset_cnt_show(struct device *dev,
297 struct device_attribute *attr, char *buf)
299 struct hl_device *hdev = dev_get_drvdata(dev);
301 return sprintf(buf, "%d\n", hdev->soft_reset_cnt);
304 static ssize_t hard_reset_cnt_show(struct device *dev,
305 struct device_attribute *attr, char *buf)
307 struct hl_device *hdev = dev_get_drvdata(dev);
309 return sprintf(buf, "%d\n", hdev->hard_reset_cnt);
312 static ssize_t max_power_show(struct device *dev, struct device_attribute *attr,
315 struct hl_device *hdev = dev_get_drvdata(dev);
318 if (!hl_device_operational(hdev, NULL))
321 val = hl_get_max_power(hdev);
323 return sprintf(buf, "%lu\n", val);
326 static ssize_t max_power_store(struct device *dev,
327 struct device_attribute *attr, const char *buf, size_t count)
329 struct hl_device *hdev = dev_get_drvdata(dev);
333 if (!hl_device_operational(hdev, NULL)) {
338 rc = kstrtoul(buf, 0, &value);
345 hdev->max_power = value;
346 hl_set_max_power(hdev);
352 static ssize_t eeprom_read_handler(struct file *filp, struct kobject *kobj,
353 struct bin_attribute *attr, char *buf, loff_t offset,
356 struct device *dev = kobj_to_dev(kobj);
357 struct hl_device *hdev = dev_get_drvdata(dev);
361 if (!hl_device_operational(hdev, NULL))
367 data = kzalloc(max_size, GFP_KERNEL);
371 rc = hdev->asic_funcs->get_eeprom_data(hdev, data, max_size);
375 memcpy(buf, data, max_size);
383 static DEVICE_ATTR_RO(armcp_kernel_ver);
384 static DEVICE_ATTR_RO(armcp_ver);
385 static DEVICE_ATTR_RO(cpld_ver);
386 static DEVICE_ATTR_RO(cpucp_kernel_ver);
387 static DEVICE_ATTR_RO(cpucp_ver);
388 static DEVICE_ATTR_RO(device_type);
389 static DEVICE_ATTR_RO(fuse_ver);
390 static DEVICE_ATTR_WO(hard_reset);
391 static DEVICE_ATTR_RO(hard_reset_cnt);
392 static DEVICE_ATTR_RO(infineon_ver);
393 static DEVICE_ATTR_RW(max_power);
394 static DEVICE_ATTR_RO(pci_addr);
395 static DEVICE_ATTR_RO(preboot_btl_ver);
396 static DEVICE_ATTR_WO(soft_reset);
397 static DEVICE_ATTR_RO(soft_reset_cnt);
398 static DEVICE_ATTR_RO(status);
399 static DEVICE_ATTR_RO(thermal_ver);
400 static DEVICE_ATTR_RO(uboot_ver);
402 static struct bin_attribute bin_attr_eeprom = {
403 .attr = {.name = "eeprom", .mode = (0444)},
405 .read = eeprom_read_handler
408 static struct attribute *hl_dev_attrs[] = {
409 &dev_attr_armcp_kernel_ver.attr,
410 &dev_attr_armcp_ver.attr,
411 &dev_attr_cpld_ver.attr,
412 &dev_attr_cpucp_kernel_ver.attr,
413 &dev_attr_cpucp_ver.attr,
414 &dev_attr_device_type.attr,
415 &dev_attr_fuse_ver.attr,
416 &dev_attr_hard_reset.attr,
417 &dev_attr_hard_reset_cnt.attr,
418 &dev_attr_infineon_ver.attr,
419 &dev_attr_max_power.attr,
420 &dev_attr_pci_addr.attr,
421 &dev_attr_preboot_btl_ver.attr,
422 &dev_attr_soft_reset.attr,
423 &dev_attr_soft_reset_cnt.attr,
424 &dev_attr_status.attr,
425 &dev_attr_thermal_ver.attr,
426 &dev_attr_uboot_ver.attr,
430 static struct bin_attribute *hl_dev_bin_attrs[] = {
435 static struct attribute_group hl_dev_attr_group = {
436 .attrs = hl_dev_attrs,
437 .bin_attrs = hl_dev_bin_attrs,
440 static struct attribute_group hl_dev_clks_attr_group;
442 static const struct attribute_group *hl_dev_attr_groups[] = {
444 &hl_dev_clks_attr_group,
448 int hl_sysfs_init(struct hl_device *hdev)
452 if (hdev->asic_type == ASIC_GOYA)
453 hdev->pm_mng_profile = PM_AUTO;
455 hdev->pm_mng_profile = PM_MANUAL;
457 hdev->max_power = hdev->asic_prop.max_power_default;
459 hdev->asic_funcs->add_device_attr(hdev, &hl_dev_clks_attr_group);
461 rc = device_add_groups(hdev->dev, hl_dev_attr_groups);
464 "Failed to add groups to device, error %d\n", rc);
471 void hl_sysfs_fini(struct hl_device *hdev)
473 device_remove_groups(hdev->dev, hl_dev_attr_groups);