/* * Copyright 2012 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" static int acpi_read_bios(acpi_handle rom_handle, u8 *bios, u32 offset, u32 length) { … } /* This version of the shadow function disobeys the ACPI spec and tries * to fetch in units of more than 4KiB at a time. This is a LOT faster * on some systems, such as Lenovo W530. */ static u32 acpi_read_fast(void *data, u32 offset, u32 length, struct nvkm_bios *bios) { … } /* Other systems, such as the one in fdo#55948, will report a success * but only return 4KiB of data. The common bios fetching logic will * detect an invalid image, and fall back to this version of the read * function. */ static u32 acpi_read_slow(void *data, u32 offset, u32 length, struct nvkm_bios *bios) { … } static void * acpi_init(struct nvkm_bios *bios, const char *name) { … } const struct nvbios_source nvbios_acpi_fast = …; const struct nvbios_source nvbios_acpi_slow = …;
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