2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
58 	memcpy(buf, attr->private + offset, count);  in gvt_firmware_read()
71 	struct intel_gvt_device_info *info = &gvt->device_info;  in expose_firmware_sysfs()
72 	struct drm_i915_private *i915 = gvt->gt->i915;  in expose_firmware_sysfs()
73 	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);  in expose_firmware_sysfs()
80 	size = sizeof(*h) + info->mmio_size + info->cfg_space_size;  in expose_firmware_sysfs()
83 		return -ENOMEM;  in expose_firmware_sysfs()
87 	h->magic = VGT_MAGIC;  in expose_firmware_sysfs()
88 	h->version = FIRMWARE_VERSION;  in expose_firmware_sysfs()
89 	h->cfg_space_size = info->cfg_space_size;  in expose_firmware_sysfs()
90 	h->cfg_space_offset = offsetof(struct gvt_firmware_header, data);  in expose_firmware_sysfs()
91 	h->mmio_size = info->mmio_size;  in expose_firmware_sysfs()
92 	h->mmio_offset = h->cfg_space_offset + h->cfg_space_size;  in expose_firmware_sysfs()
94 	p = firmware + h->cfg_space_offset;  in expose_firmware_sysfs()
96 	memcpy(gvt->firmware.cfg_space, i915->vgpu.initial_cfg_space,  in expose_firmware_sysfs()
97 	       info->cfg_space_size);  in expose_firmware_sysfs()
98 	memcpy(p, gvt->firmware.cfg_space, info->cfg_space_size);  in expose_firmware_sysfs()
100 	p = firmware + h->mmio_offset;  in expose_firmware_sysfs()
102 	memcpy(gvt->firmware.mmio, i915->vgpu.initial_mmio,  in expose_firmware_sysfs()
103 	       info->mmio_size);  in expose_firmware_sysfs()
105 	memcpy(p, gvt->firmware.mmio, info->mmio_size);  in expose_firmware_sysfs()
108 	h->crc32 = crc32_le(0, firmware + crc32_start, size - crc32_start);  in expose_firmware_sysfs()
113 	ret = device_create_bin_file(&pdev->dev, &firmware_attr);  in expose_firmware_sysfs()
123 	struct pci_dev *pdev = to_pci_dev(gvt->gt->i915->drm.dev);  in clean_firmware_sysfs()
125 	device_remove_bin_file(&pdev->dev, &firmware_attr);  in clean_firmware_sysfs()
130  * intel_gvt_free_firmware - free GVT firmware
136 	if (!gvt->firmware.firmware_loaded)  in intel_gvt_free_firmware()
139 	kfree(gvt->firmware.cfg_space);  in intel_gvt_free_firmware()
140 	vfree(gvt->firmware.mmio);  in intel_gvt_free_firmware()
144 			   const struct firmware *fw)  in verify_firmware()  argument
146 	struct intel_gvt_device_info *info = &gvt->device_info;  in verify_firmware()
147 	struct pci_dev *pdev = to_pci_dev(gvt->gt->i915->drm.dev);  in verify_firmware()
154 	h = (struct gvt_firmware_header *)fw->data;  in verify_firmware()
157 	mem = fw->data + crc32_start;  in verify_firmware()
165 	VERIFY("magic number", h->magic, VGT_MAGIC);  in verify_firmware()
166 	VERIFY("version", h->version, FIRMWARE_VERSION);  in verify_firmware()
167 	VERIFY("crc32", h->crc32, crc32_le(0, mem, fw->size - crc32_start));  in verify_firmware()
168 	VERIFY("cfg space size", h->cfg_space_size, info->cfg_space_size);  in verify_firmware()
169 	VERIFY("mmio size", h->mmio_size, info->mmio_size);  in verify_firmware()
171 	mem = (fw->data + h->cfg_space_offset);  in verify_firmware()
174 	VERIFY("vender id", id, pdev->vendor);  in verify_firmware()
177 	VERIFY("device id", id, pdev->device);  in verify_firmware()
180 	VERIFY("revision id", id, pdev->revision);  in verify_firmware()
188 	return -EINVAL;  in verify_firmware()
194  * intel_gvt_load_firmware - load GVT firmware
200 	struct intel_gvt_device_info *info = &gvt->device_info;  in intel_gvt_load_firmware()
201 	struct pci_dev *pdev = to_pci_dev(gvt->gt->i915->drm.dev);  in intel_gvt_load_firmware()
202 	struct intel_gvt_firmware *firmware = &gvt->firmware;  in intel_gvt_load_firmware()
204 	const struct firmware *fw;  in intel_gvt_load_firmware()  local
211 		return -ENOMEM;  in intel_gvt_load_firmware()
213 	mem = kmalloc(info->cfg_space_size, GFP_KERNEL);  in intel_gvt_load_firmware()
216 		return -ENOMEM;  in intel_gvt_load_firmware()
219 	firmware->cfg_space = mem;  in intel_gvt_load_firmware()
221 	mem = vmalloc(info->mmio_size);  in intel_gvt_load_firmware()
224 		kfree(firmware->cfg_space);  in intel_gvt_load_firmware()
225 		return -ENOMEM;  in intel_gvt_load_firmware()
228 	firmware->mmio = mem;  in intel_gvt_load_firmware()
231 		 GVT_FIRMWARE_PATH, pdev->vendor, pdev->device,  in intel_gvt_load_firmware()
232 		 pdev->revision);  in intel_gvt_load_firmware()
236 	ret = request_firmware(&fw, path, gvt->gt->i915->drm.dev);  in intel_gvt_load_firmware()
244 	ret = verify_firmware(gvt, fw);  in intel_gvt_load_firmware()
250 	h = (struct gvt_firmware_header *)fw->data;  in intel_gvt_load_firmware()
252 	memcpy(firmware->cfg_space, fw->data + h->cfg_space_offset,  in intel_gvt_load_firmware()
253 	       h->cfg_space_size);  in intel_gvt_load_firmware()
254 	memcpy(firmware->mmio, fw->data + h->mmio_offset,  in intel_gvt_load_firmware()
255 	       h->mmio_size);  in intel_gvt_load_firmware()
257 	release_firmware(fw);  in intel_gvt_load_firmware()
258 	firmware->firmware_loaded = true;  in intel_gvt_load_firmware()
262 	release_firmware(fw);  in intel_gvt_load_firmware()