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Jonas Karlman 92e2dcf941 iommu: rockchip: Fix directory table address encoding 
[ Upstream commit 6df63b7ebd ]

The physical address to the directory table is currently encoded using
the following bit layout for IOMMU v2.

 31:12 - Address bit 31:0
 11: 4 - Address bit 39:32

This is also the bit layout used by the vendor kernel.

However, testing has shown that addresses to the directory/page tables
and memory pages are all encoded using the same bit layout.

IOMMU v1:
 31:12 - Address bit 31:0

IOMMU v2:
 31:12 - Address bit 31:0
 11: 8 - Address bit 35:32
  7: 4 - Address bit 39:36

Change to use the mk_dtentries ops to encode the directory table address
correctly. The value written to DTE_ADDR may include the valid bit set,
a bit that is ignored and DTE_ADDR reg read it back as 0.

This also update the bit layout comment for the page address and the
number of nybbles that are read back for DTE_ADDR comment.

These changes render the dte_addr_phys and dma_addr_dte ops unused and
is removed.

Fixes: 227014b33f ("iommu: rockchip: Add internal ops to handle variants")
Fixes: c55356c534 ("iommu: rockchip: Add support for iommu v2")
Fixes: c987b65a57 ("iommu/rockchip: Fix physical address decoding")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20230617182540.3091374-2-jonas@kwiboo.se
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2023-09-13 09:42:50 +02:00
Documentation media: uapi: HEVC: Add num_delta_pocs_of_ref_rps_idx field 2023-09-13 09:42:20 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
arch powerpc/iommu: Fix notifiers being shared by PCI and VIO buses 2023-09-13 09:42:48 +02:00
block block/mq-deadline: use correct way to throttling write requests 2023-09-13 09:42:42 +02:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: api - Use work queue in crypto_destroy_instance 2023-09-13 09:42:32 +02:00
drivers iommu: rockchip: Fix directory table address encoding 2023-09-13 09:42:50 +02:00
fs pNFS: Fix assignment of xprtdata.cred 2023-09-13 09:42:49 +02:00
include NFSv4.2: Rework scratch handling for READ_PLUS 2023-09-13 09:42:48 +02:00
init sched/psi: Select KERNFS as needed 2023-09-13 09:42:28 +02:00
io_uring io_uring: fix drain stalls by invalid SQE 2023-09-13 09:42:43 +02:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:32:01 +01:00
kernel cgroup/cpuset: Inherit parent's load balance state in v2 2023-09-13 09:42:49 +02:00
lib maple_tree: disable mas_wr_append() when other readers are possible 2023-08-30 16:11:13 +02:00
mm net-memcg: Fix scope of sockmem pressure indicators 2023-09-13 09:42:33 +02:00
net netrom: Deny concurrent connect(). 2023-09-13 09:42:35 +02:00
rust rust: allocator: Prevent mis-aligned allocation 2023-08-11 12:08:18 +02:00
samples samples/bpf: fix broken map lookup probe 2023-09-13 09:42:34 +02:00
scripts kbuild: rust_is_available: fix confusion when a version appears in the path 2023-09-13 09:42:32 +02:00
security smackfs: Prevent underflow in smk_set_cipso() 2023-09-13 09:42:42 +02:00
sound ALSA: ac97: Fix possible error value of *rac97 2023-09-13 09:42:44 +02:00
tools selftests/bpf: Clean up fmod_ret in bench_rename test script 2023-09-13 09:42:33 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add() 2023-09-13 09:42:46 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig
…
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.rustfmt.toml rust: add `.rustfmt.toml` 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS devlink: move code to a dedicated directory 2023-08-30 16:11:00 +02:00
Makefile kbuild: rust_is_available: remove -v option 2023-09-13 09:42:32 +02:00
README
…

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.