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Joerg Roedel
431b2a2015 x86, AMD IOMMU: add comments to core code 
This patch adds comments about how the AMD IOMMU core code works for the DMA
remapping functionality.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-11 18:01:10 +02:00
Joerg Roedel
b65233a9c1 x86, AMD IOMMU: add comments to the initialization code 
This patch adds some comments to the AMD IOMMU initialization code to increase
its readability.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-11 18:01:09 +02:00
Joerg Roedel
5694703f14 x86, AMD IOMMU: add comments to amd_iommu_types.h 
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-11 18:01:09 +02:00
Joerg Roedel
299a140dac x86, AMD IOMMU: ignore detection of GART IOMMU 
One of the last IOMMU updates covered a bug in the AMD IOMMU code. The early
detection code does not succeed if the GART is already detected. This patch
fixes this.

Cc: Robert Richter <robert.richter@amd.com>
Cc: Bhavna Sarathy <Bhavna.Sarathy@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Bhavna Sarathy <Bhavna.Sarathy@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-09 10:56:49 +02:00
FUJITA Tomonori
8b7fd21511 x86: clean up amd_iommu documentation 
amd_iommu=off was replaced with a common parameter, iommu=off.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: joerg.roedel@amd.com
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: rjw@sisk.pl
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-07 09:43:33 +02:00
Joerg Roedel
fb339690a0 x86, AMD IOMMU: remove unnecessary code from the iommu_enable function 
This code removes a leftover from the iommu_enable function. The ctrl variable
is assigned but never used.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-04 11:44:44 +02:00
Joerg Roedel
c1cbebeec4 x86, AMD IOMMU: don't try to init IOMMU if early detect code did not detect one 
This patch adds a check if the early detect code has found AMD IOMMU hardware
descriptions and does not try to initialize hardware if the check failed.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-04 11:44:43 +02:00
Joerg Roedel
8b14518fad x86, AMD IOMMU: honor iommu=off instead of amd_iommu=off 
This patch removes the amd_iommu=off kernel parameter and honors the generic
iommu=off parameter for the same purpose.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-04 11:44:41 +02:00
Joerg Roedel
999ba417cc x86, AMD IOMMU: flush domain TLB when there is more than one page to flush 
This patch changes the domain TLB flushing behavior of the driver. When there
is more than one page to flush it flushes the whole domain TLB instead of every
single page. So we send only a single command to the IOMMU in every case which
is faster to execute.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-04 11:44:40 +02:00
Joerg Roedel
5f6a59d8ad x86, AMD IOMMU: remove unnecessary set_bit_string 
The set_bit_string call in the address allocator is not necessary because its
already called in iommu_area_alloc().

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-04 11:44:39 +02:00
Joerg Roedel
18d2220074 x86, AMD IOMMU: more verbose Kconfig description text 
This patch replaces the short description text for AMD IOMMU in Kconfig with a
more verbose one.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-07-04 11:44:37 +02:00
Joerg Roedel
7441e9cb18 x86, AMD IOMMU: disable suspend/resume with IOMMU enabled (for now) 
This patch disables suspend/resume on machines with AMD IOMMU enabled. Real
suspend/resume support for AMD IOMMU is currently being worked on. Until this
is ready it will be disabled to avoid data corruption when the IOMMU is not
properly re-enabled at resume. The patch is based on a similar patch for the
GART driver written by Pavel Machek.

The overall driver merged into tip/master is tested with parallel disk and
network loads and showed no problems in a test running for 3 days.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-30 20:35:15 +02:00
Ingo Molnar
07c40e8a1a x86, AMD IOMMU: build fix #3 
fix typo causing:

arch/x86/kernel/built-in.o: In function `__unmap_single':
amd_iommu.c:(.text+0x17771): undefined reference to `iommu_area_free'
arch/x86/kernel/built-in.o: In function `__map_single':
amd_iommu.c:(.text+0x1797a): undefined reference to `iommu_area_alloc'
amd_iommu.c:(.text+0x179a2): undefined reference to `iommu_area_alloc'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 11:34:01 +02:00
Ingo Molnar
92af4e2902 x86, AMD IOMMU, build fix #2 
fix:

 arch/x86/kernel/amd_iommu.c: In function ‘amd_iommu_init_dma_ops':
 arch/x86/kernel/amd_iommu.c:940: error: lvalue required as left operand of assignment
 arch/x86/kernel/amd_iommu.c:941: error: lvalue required as left operand of assignment

due to !CONFIG_GART_IOMMU.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:52:34 +02:00
Ingo Molnar
24d2ba0a8a x86, AMD IOMMU: build fix 
fix:

 arch/x86/kernel/amd_iommu_init.c:247: warning: 'struct acpi_table_header' declared inside parameter list
 arch/x86/kernel/amd_iommu_init.c:247: warning: its scope is only this definition or declaration, which is probably not what you want
 arch/x86/kernel/amd_iommu_init.c: In function 'find_last_devid_acpi':
 arch/x86/kernel/amd_iommu_init.c:257: error: dereferencing pointer to incomplete type
 arch/x86/kernel/amd_iommu_init.c:265: error: dereferencing pointer to incomplete type

the AMD IOMMU code depends on ACPI facilities.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:42:20 +02:00
Joerg Roedel
54b4cbd269 x86, AMD IOMMU: add documentation for kernel parameters 
Add documentation for the kernel parameters introduced with this driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:22 +02:00
Joerg Roedel
919ee7dd9a x86, AMD IOMMU: add MAINTAINERS entry 
Add an entry to the MAINTAINERS file for AMD IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:22 +02:00
Joerg Roedel
a69ca34018 AMD_IOMMU: call detect and initialization functions from dma code 
This patch adds the function calls to initialize the AMD IOMMU hardware and
dma_ops to the generic DMA code for the x86 architecture.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:22 +02:00
Joerg Roedel
8736197ba8 x86, AMD IOMMU: initialize dma_ops from IOMMU initialization and enable IOMMUs 
This patch adds a call to the driver specific dma_ops initialization routine
from the AMD IOMMU hardware initialization. Further it adds the necessary code
to finally enable AMD IOMMU hardware.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:21 +02:00
Joerg Roedel
c6da992e16 x86, AMD IOMMU: add amd_iommu.h to export functions to the generic x86 dma code 
This patch adds the amd_iommu.h file which will be included in the generic
code.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:21 +02:00
Joerg Roedel
6631ee9d00 x86, AMD IOMMU: add dma_ops initialization function 
This patch adds the function to initialize the dma_ops for the AMD IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:20 +02:00
Joerg Roedel
c432f3df8e x86, AMD IOMMU: add pre-allocation of protection domains 
This patch adds a function to pre-allocate protection domains. So we don't have
to allocate it on the first request for a device (which can happen in atomic
mode).

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:20 +02:00
Joerg Roedel
5d8b53cf3f x86, AMD IOMMU: add mapping functions for coherent mappings 
This patch adds the dma_ops functions for coherent mappings.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:19 +02:00
Joerg Roedel
65b050adbf x86, AMD IOMMU: add mapping functions for scatter gather lists 
This patch adds the dma_ops functions for mapping and unmapping scatter gather
lists.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:19 +02:00
Joerg Roedel
4da70b9e4f x86, AMD IOMMU: add dma_ops mapping functions for single mappings 
This patch adds the dma_ops specific mapping functions for single mappings.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:18 +02:00
Joerg Roedel
cb76c32297 x86, AMD IOMMU: add generic dma_ops mapping functions 
This patch adds the generic functions to map and unmap pages to a protection
domain for dma_ops usage.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:18 +02:00
Joerg Roedel
b20ac0d4d6 x86, AMD IOMMU: add functions to find IOMMU device resources 
This patch adds functions necessary to find the IOMMU resources for a specific
device.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:17 +02:00
Joerg Roedel
ec487d1a11 x86, AMD IOMMU: add domain allocation and deallocation functions 
This patch adds the functions to allocate and free protection domains for the
IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:17 +02:00
Joerg Roedel
d3086444b2 x86, AMD IOMMU: add address allocation and deallocation functions 
This patch adds the address allocator to the AMD IOMMU code.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:16 +02:00
Joerg Roedel
bd0e521158 x86, AMD IOMMU: add functions to initialize unity mappings 
This patch adds the functions which will initialize the unity mappings in the
device page tables.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:16 +02:00
Joerg Roedel
a19ae1eccf x86, AMD IOMMU: add functions to send IOMMU commands 
This patch adds generic handling function as well as all functions to send
specific commands to the IOMMU hardware as required by this driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:15 +02:00
Joerg Roedel
000fca2dfc x86, AMD IOMMU: add amd_iommu.c to Makefile 
This patch adds the new amd_iommu.c file to the architecture kernel Makefile
for x86.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:15 +02:00
Joerg Roedel
b6c02715cf x86, AMD IOMMU: add generic defines and structures for mapping code 
This patch adds generic stuff used by the mapping and unmapping code for the
AMD IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:14 +02:00
Joerg Roedel
918ad6c54d x86, AMD IOMMU: add kernel command line parameters for AMD IOMMU 
This patch adds two parameters to the kernel command line to control behavior
of the AMD IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:14 +02:00
Joerg Roedel
ae7877de9c x86, AMD IOMMU: add early detection code 
This patch adds code to detect an AMD IOMMU early during boot before the early
detection code of other IOMMUs run.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:13 +02:00
Joerg Roedel
fe74c9cf39 x86, AMD IOMMU: clue initialization code together 
This patch puts the AMD IOMMU ACPI table parsing and hardware initialization
functions together to the main intialization routine.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:13 +02:00
Joerg Roedel
be2a022c0d x86, AMD IOMMU: add functions to parse IOMMU memory mapping requirements for devices 
This patch adds the functions to parse the information about IOMMU exclusion
ranges and required unity mappings for the devices handled by the IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:12 +02:00
Joerg Roedel
e47d402d2d x86, AMD IOMMU: add detect code for AMD IOMMU hardware 
This patch adds the detection of AMD IOMMU hardware provided on information
from ACPI provided by the BIOS.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:12 +02:00
Joerg Roedel
5d0c8e49f8 x86, AMD IOMMU: add functions for IOMMU hardware initialization from ACPI 
This patch adds functions to initialize the IOMMU hardware with information
from ACPI and PCI.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:11 +02:00
Joerg Roedel
3566b7786a x86, AMD IOMMU: add device table initialization functions 
This patch adds functions necessary to initialize the device table from the
ACPI definitions.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:11 +02:00
Joerg Roedel
b36ca91e1d x86, AMD IOMMU: add command buffer (de-)allocation 
This patch adds the functions to allocate and deallocate the command buffer for
one IOMMU in the system.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:10 +02:00
Joerg Roedel
b2026aa2dc x86, AMD IOMMU: add functions for programming IOMMU MMIO space 
This patch adds the functions required to programm the IOMMU with the MMIO
space.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:10 +02:00
Joerg Roedel
6c56747b46 x86, AMD IOMMU: add functions for mapping/unmapping the MMIO space 
This patch contains two functions to map and unmap the MMIO region of an IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:09 +02:00
Joerg Roedel
ca7ed057ae x86, AMD IOMMU: add amd_iommu_init.c to Makefile 
This patch adds the source file amd_iommu_init.c to the kernel Makefile for the
x86 architecture.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:09 +02:00
Joerg Roedel
3e8064ba59 x86, AMD IOMMU: add functions to find last possible PCI device for IOMMU 
This patch adds functions to find the last PCI bus/device/function the IOMMU
driver has to handle. This information is used later to allocate the memory for
the data structures.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:08 +02:00
Joerg Roedel
928abd2545 x86, AMD IOMMU: add data structures to manage the IOMMUs in the system 
This patch adds the data structures which will contain the information read
from the ACPI table.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:08 +02:00
Joerg Roedel
f6e2e6b6fc x86, AMD IOMMU: add defines and structures for ACPI scanning code 
This patch adds the required data structures and constants required to parse
the ACPI table for the AMD IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:07 +02:00
Joerg Roedel
8d283c35a2 x86, AMD IOMMU: add header file for driver data structures and defines 
This patch adds a header file local to the AMD IOMMU driver with constants and
data structures needed in the code.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:07 +02:00
Joerg Roedel
2b188723ee x86, AMD IOMMU: add Kconfig entry 
This patch adds the Kconfig entry for the AMD IOMMU driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2008-06-27 10:12:06 +02:00
Linus Torvalds
543cf4cb3f Linux 2.6.26-rc8 2008-06-24 18:58:20 -07:00