linux/drivers/firmware
Austin Christ 6862e6ad95 efi/capsule: Allocate whole capsule into virtual memory
According to UEFI 2.6 section 7.5.3, the capsule should be in contiguous
virtual memory and firmware may consume the capsule immediately. To
correctly implement this functionality, the kernel driver needs to vmap
the entire capsule at the time it is made available to firmware.

The virtual allocation of the capsule update has been changed from kmap,
which was only allocating the first page of the update, to vmap, and
allocates the entire data payload.

Signed-off-by: Austin Christ <austinwc@codeaurora.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Lee, Chun-Yi <jlee@suse.com>
Cc: <stable@vger.kernel.org> # v4.7
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kweh Hock Leong <hock.leong.kweh@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1470912120-22831-3-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-08-11 13:55:36 +02:00
..
broadcom tree-wide: replace config_enabled() with IS_ENABLED() 2016-08-04 08:50:07 -04:00
efi efi/capsule: Allocate whole capsule into virtual memory 2016-08-11 13:55:36 +02:00
google firmware: google memconsole driver fixes 2014-02-15 11:30:28 -08:00
Kconfig firmware: scpi: add CONFIG_OF dependency 2016-07-07 14:58:14 +02:00
Makefile firmware: scpi: add device power domain support using genpd 2016-06-21 10:26:51 +01:00
arm_scpi.c firmware: arm_scpi: add support for device power state management 2016-06-21 10:15:56 +01:00
dcdbas.c firmware: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
dcdbas.h
dell_rbu.c sysfs: add struct file* to bin_attr callbacks 2010-05-21 09:37:31 -07:00
dmi-id.c dmi-id: fix a memory leak in dmi_id_init error path 2010-08-05 13:53:34 -07:00
dmi-sysfs.c firmware: dmi_scan: add SBMIOS entry and DMI tables 2015-06-25 09:06:56 +02:00
dmi_scan.c firmware: dmi_scan: Save SMBIOS Type 9 System Slots 2016-01-15 22:08:45 +01:00
edd.c [SCSI] edd: Treat "XPRS" host bus type the same as "PCI" 2011-10-31 13:26:19 +04:00
iscsi_ibft.c ibft: Expose iBFT acpi header via sysfs 2016-05-16 11:14:29 -04:00
iscsi_ibft_find.c efi: Make 'efi_enabled' a function to query EFI facilities 2013-01-30 11:51:59 -08:00
memmap.c drivers/firmware/memmap.c: fix kernel-doc format 2015-06-25 17:00:41 -07:00
pcdp.c serial: 8250_early: Remove setup_early_serial8250_console() 2015-03-26 17:25:27 +01:00
pcdp.h Update broken web addresses in the kernel. 2010-10-18 11:03:14 +02:00
psci.c drivers: firmware: psci: initialise idle states using ACPI LPI 2016-07-21 23:29:38 +02:00
qcom_scm-32.c firmware: qcom: scm: Expose PAS command 10 as reset-controller 2016-06-24 22:53:52 -05:00
qcom_scm-64.c firmware: qcom: scm: Expose PAS command 10 as reset-controller 2016-06-24 22:53:52 -05:00
qcom_scm.c firmware: qcom: scm: Change initcall to subsys 2016-07-05 16:29:25 -05:00
qcom_scm.h firmware: qcom: scm: Expose PAS command 10 as reset-controller 2016-06-24 22:53:52 -05:00
qemu_fw_cfg.c driver core update for 4.7-rc1 2016-05-20 21:26:15 -07:00
raspberrypi.c ARM: bcm2835: Add the Raspberry Pi firmware driver 2015-10-14 15:30:06 -07:00
scpi_pm_domain.c firmware: scpi: add device power domain support using genpd 2016-06-21 10:26:51 +01:00