/*
* Copyright 2019 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "priv.h"
#include <core/falcon.h>
#include <core/firmware.h>
#include <nvfw/fw.h>
#include <nvfw/ls.h>
void
nvkm_acr_lsfw_del(struct nvkm_acr_lsfw *lsfw)
{
nvkm_blob_dtor(&lsfw->img);
kfree(lsfw->sigs);
nvkm_firmware_put(lsfw->sig);
list_del(&lsfw->head);
kfree(lsfw);
}
void
nvkm_acr_lsfw_del_all(struct nvkm_acr *acr)
{
struct nvkm_acr_lsfw *lsfw, *lsft;
list_for_each_entry_safe(lsfw, lsft, &acr->lsfw, head) {
nvkm_acr_lsfw_del(lsfw);
}
}
static struct nvkm_acr_lsfw *
nvkm_acr_lsfw_get(struct nvkm_acr *acr, enum nvkm_acr_lsf_id id)
{
struct nvkm_acr_lsfw *lsfw;
list_for_each_entry(lsfw, &acr->lsfw, head) {
if (lsfw->id == id)
return lsfw;
}
return NULL;
}
struct nvkm_acr_lsfw *
nvkm_acr_lsfw_add(const struct nvkm_acr_lsf_func *func, struct nvkm_acr *acr,
struct nvkm_falcon *falcon, enum nvkm_acr_lsf_id id)
{
struct nvkm_acr_lsfw *lsfw;
if (!acr || list_empty(&acr->hsfw))
return ERR_PTR(-ENOSYS);
lsfw = nvkm_acr_lsfw_get(acr, id);
if (lsfw && lsfw->func) {
nvkm_error(&acr->subdev, "LSFW %d redefined\n", id);
return ERR_PTR(-EEXIST);
}
if (!lsfw) {
if (!(lsfw = kzalloc(sizeof(*lsfw), GFP_KERNEL)))
return ERR_PTR(-ENOMEM);
lsfw->id = id;
list_add_tail(&lsfw->head, &acr->lsfw);
}
lsfw->func = func;
lsfw->falcon = falcon;
return lsfw;
}
static struct nvkm_acr_lsfw *
nvkm_acr_lsfw_load_sig_image_desc_(struct nvkm_subdev *subdev,
struct nvkm_falcon *falcon,
enum nvkm_acr_lsf_id id,
const char *path, int ver,
const struct nvkm_acr_lsf_func *func,
const struct firmware **pdesc)
{
struct nvkm_acr *acr = subdev->device->acr;
struct nvkm_acr_lsfw *lsfw;
int ret;
if (IS_ERR((lsfw = nvkm_acr_lsfw_add(func, acr, falcon, id))))
return lsfw;
ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig);
if (ret)
goto done;
ret = nvkm_firmware_load_blob(subdev, path, "image", ver, &lsfw->img);
if (ret)
goto done;
ret = nvkm_firmware_load_name(subdev, path, "desc", ver, pdesc);
done:
if (ret) {
nvkm_acr_lsfw_del(lsfw);
return ERR_PTR(ret);
}
return lsfw;
}
static void
nvkm_acr_lsfw_from_desc(const struct nvfw_ls_desc_head *desc,
struct nvkm_acr_lsfw *lsfw)
{
lsfw->bootloader_size = ALIGN(desc->bootloader_size, 256);
lsfw->bootloader_imem_offset = desc->bootloader_imem_offset;
lsfw->app_size = ALIGN(desc->app_size, 256);
lsfw->app_start_offset = desc->app_start_offset;
lsfw->app_imem_entry = desc->app_imem_entry;
lsfw->app_resident_code_offset = desc->app_resident_code_offset;
lsfw->app_resident_code_size = desc->app_resident_code_size;
lsfw->app_resident_data_offset = desc->app_resident_data_offset;
lsfw->app_resident_data_size = desc->app_resident_data_size;
lsfw->ucode_size = ALIGN(lsfw->app_resident_data_offset, 256) +
lsfw->bootloader_size;
lsfw->data_size = lsfw->app_size + lsfw->bootloader_size -
lsfw->ucode_size;
}
int
nvkm_acr_lsfw_load_sig_image_desc(struct nvkm_subdev *subdev,
struct nvkm_falcon *falcon,
enum nvkm_acr_lsf_id id,
const char *path, int ver,
const struct nvkm_acr_lsf_func *func)
{
const struct firmware *fw;
struct nvkm_acr_lsfw *lsfw;
lsfw = nvkm_acr_lsfw_load_sig_image_desc_(subdev, falcon, id, path, ver,
func, &fw);
if (IS_ERR(lsfw))
return PTR_ERR(lsfw);
nvkm_acr_lsfw_from_desc(&nvfw_ls_desc(subdev, fw->data)->head, lsfw);
nvkm_firmware_put(fw);
return 0;
}
int
nvkm_acr_lsfw_load_sig_image_desc_v1(struct nvkm_subdev *subdev,
struct nvkm_falcon *falcon,
enum nvkm_acr_lsf_id id,
const char *path, int ver,
const struct nvkm_acr_lsf_func *func)
{
const struct firmware *fw;
struct nvkm_acr_lsfw *lsfw;
lsfw = nvkm_acr_lsfw_load_sig_image_desc_(subdev, falcon, id, path, ver,
func, &fw);
if (IS_ERR(lsfw))
return PTR_ERR(lsfw);
nvkm_acr_lsfw_from_desc(&nvfw_ls_desc_v1(subdev, fw->data)->head, lsfw);
nvkm_firmware_put(fw);
return 0;
}
int
nvkm_acr_lsfw_load_sig_image_desc_v2(struct nvkm_subdev *subdev,
struct nvkm_falcon *falcon,
enum nvkm_acr_lsf_id id,
const char *path, int ver,
const struct nvkm_acr_lsf_func *func)
{
const struct firmware *fw;
struct nvkm_acr_lsfw *lsfw;
const struct nvfw_ls_desc_v2 *desc;
int ret = 0;
lsfw = nvkm_acr_lsfw_load_sig_image_desc_(subdev, falcon, id, path, ver, func, &fw);
if (IS_ERR(lsfw))
return PTR_ERR(lsfw);
desc = nvfw_ls_desc_v2(subdev, fw->data);
lsfw->secure_bootloader = desc->secure_bootloader;
lsfw->bootloader_size = ALIGN(desc->bootloader_size, 256);
lsfw->bootloader_imem_offset = desc->bootloader_imem_offset;
lsfw->app_size = ALIGN(desc->app_size, 256);
lsfw->app_start_offset = desc->app_start_offset;
lsfw->app_imem_entry = desc->app_imem_entry;
lsfw->app_resident_code_offset = desc->app_resident_code_offset;
lsfw->app_resident_code_size = desc->app_resident_code_size;
lsfw->app_resident_data_offset = desc->app_resident_data_offset;
lsfw->app_resident_data_size = desc->app_resident_data_size;
lsfw->app_imem_offset = desc->app_imem_offset;
lsfw->app_dmem_offset = desc->app_dmem_offset;
lsfw->ucode_size = ALIGN(lsfw->app_resident_data_offset, 256) + lsfw->bootloader_size;
lsfw->data_size = lsfw->app_size + lsfw->bootloader_size - lsfw->ucode_size;
nvkm_firmware_put(fw);
if (lsfw->secure_bootloader) {
const struct firmware *hsbl;
const struct nvfw_ls_hsbl_bin_hdr *hdr;
const struct nvfw_ls_hsbl_hdr *hshdr;
u32 sig, cnt, *meta;
ret = nvkm_firmware_load_name(subdev, path, "hs_bl_sig", ver, &hsbl);
if (ret)
return ret;
hdr = nvfw_ls_hsbl_bin_hdr(subdev, hsbl->data);
hshdr = nvfw_ls_hsbl_hdr(subdev, hsbl->data + hdr->header_offset);
meta = (u32 *)(hsbl->data + hshdr->meta_data_offset);
sig = *(u32 *)(hsbl->data + hshdr->patch_sig);
cnt = *(u32 *)(hsbl->data + hshdr->num_sig);
lsfw->fuse_ver = meta[0];
lsfw->engine_id = meta[1];
lsfw->ucode_id = meta[2];
lsfw->sig_size = hshdr->sig_prod_size / cnt;
lsfw->sig_nr = cnt;
lsfw->sigs = kmemdup(hsbl->data + hshdr->sig_prod_offset + sig,
lsfw->sig_nr * lsfw->sig_size, GFP_KERNEL);
nvkm_firmware_put(hsbl);
if (!lsfw->sigs)
ret = -ENOMEM;
}
return ret;
}
int
nvkm_acr_lsfw_load_bl_inst_data_sig(struct nvkm_subdev *subdev,
struct nvkm_falcon *falcon,
enum nvkm_acr_lsf_id id,
const char *path, int ver,
const struct nvkm_acr_lsf_func *func)
{
struct nvkm_acr *acr = subdev->device->acr;
struct nvkm_acr_lsfw *lsfw;
const struct firmware *bl = NULL, *inst = NULL, *data = NULL;
const struct nvfw_bin_hdr *hdr;
const struct nvfw_bl_desc *desc;
u32 *bldata;
int ret;
if (IS_ERR((lsfw = nvkm_acr_lsfw_add(func, acr, falcon, id))))
return PTR_ERR(lsfw);
ret = nvkm_firmware_load_name(subdev, path, "bl", ver, &bl);
if (ret)
goto done;
hdr = nvfw_bin_hdr(subdev, bl->data);
desc = nvfw_bl_desc(subdev, bl->data + hdr->header_offset);
bldata = (void *)(bl->data + hdr->data_offset);
ret = nvkm_firmware_load_name(subdev, path, "inst", ver, &inst);
if (ret)
goto done;
ret = nvkm_firmware_load_name(subdev, path, "data", ver, &data);
if (ret)
goto done;
ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig);
if (ret)
goto done;
lsfw->bootloader_size = ALIGN(desc->code_size, 256);
lsfw->bootloader_imem_offset = desc->start_tag << 8;
lsfw->app_start_offset = lsfw->bootloader_size;
lsfw->app_imem_entry = 0;
lsfw->app_resident_code_offset = 0;
lsfw->app_resident_code_size = ALIGN(inst->size, 256);
lsfw->app_resident_data_offset = lsfw->app_resident_code_size;
lsfw->app_resident_data_size = ALIGN(data->size, 256);
lsfw->app_size = lsfw->app_resident_code_size +
lsfw->app_resident_data_size;
lsfw->img.size = lsfw->bootloader_size + lsfw->app_size;
if (!(lsfw->img.data = kzalloc(lsfw->img.size, GFP_KERNEL))) {
ret = -ENOMEM;
goto done;
}
memcpy(lsfw->img.data, bldata, lsfw->bootloader_size);
memcpy(lsfw->img.data + lsfw->app_start_offset +
lsfw->app_resident_code_offset, inst->data, inst->size);
memcpy(lsfw->img.data + lsfw->app_start_offset +
lsfw->app_resident_data_offset, data->data, data->size);
lsfw->ucode_size = ALIGN(lsfw->app_resident_data_offset, 256) +
lsfw->bootloader_size;
lsfw->data_size = lsfw->app_size + lsfw->bootloader_size -
lsfw->ucode_size;
done:
if (ret)
nvkm_acr_lsfw_del(lsfw);
nvkm_firmware_put(data);
nvkm_firmware_put(inst);
nvkm_firmware_put(bl);
return ret;
}
int
nvkm_acr_lsfw_load_bl_sig_net(struct nvkm_subdev *subdev,
struct nvkm_falcon *falcon,
enum nvkm_acr_lsf_id id,
const char *path, int ver,
const struct nvkm_acr_lsf_func *func,
const void *inst_data, u32 inst_size,
const void *data_data, u32 data_size)
{
struct nvkm_acr *acr = subdev->device->acr;
struct nvkm_acr_lsfw *lsfw;
const struct firmware _inst = { .data = inst_data, .size = inst_size };
const struct firmware _data = { .data = data_data, .size = data_size };
const struct firmware *bl = NULL, *inst = &_inst, *data = &_data;
const struct {
int bin_magic;
int bin_version;
int bin_size;
int header_offset;
int header_size;
} *hdr;
u32 *bldata;
int ret;
if (IS_ERR((lsfw = nvkm_acr_lsfw_add(func, acr, falcon, id))))
return PTR_ERR(lsfw);
ret = nvkm_firmware_load_name(subdev, path, "bl", ver, &bl);
if (ret)
goto done;
hdr = (const void *)bl->data;
bldata = (void *)(bl->data + hdr->header_offset);
ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig);
if (ret)
goto done;
lsfw->bootloader_size = ALIGN(hdr->header_size, 256);
lsfw->bootloader_imem_offset = func->bl_entry;
lsfw->app_start_offset = lsfw->bootloader_size;
lsfw->app_imem_entry = 0;
lsfw->app_resident_code_offset = 0;
lsfw->app_resident_code_size = ALIGN(inst->size, 256);
lsfw->app_resident_data_offset = lsfw->app_resident_code_size;
lsfw->app_resident_data_size = ALIGN(data->size, 256);
lsfw->app_imem_offset = 0;
lsfw->app_dmem_offset = 0;
lsfw->app_size = lsfw->app_resident_code_size + lsfw->app_resident_data_size;
lsfw->img.size = lsfw->bootloader_size + lsfw->app_size;
if (!(lsfw->img.data = kzalloc(lsfw->img.size, GFP_KERNEL))) {
ret = -ENOMEM;
goto done;
}
memcpy(lsfw->img.data, bldata, lsfw->bootloader_size);
memcpy(lsfw->img.data + lsfw->app_start_offset +
lsfw->app_resident_code_offset, inst->data, inst->size);
memcpy(lsfw->img.data + lsfw->app_start_offset +
lsfw->app_resident_data_offset, data->data, data->size);
lsfw->ucode_size = ALIGN(lsfw->app_resident_data_offset, 256) +
lsfw->bootloader_size;
lsfw->data_size = lsfw->app_size + lsfw->bootloader_size -
lsfw->ucode_size;
done:
if (ret)
nvkm_acr_lsfw_del(lsfw);
nvkm_firmware_put(bl);
return ret;
}