Searched hist:c047f800 (Results 1 – 3 of 3) sorted by relevance
| /openbmc/pldm/oem/ibm/requester/ |
| H A D | dbus_to_file_handler.hpp | c047f800 Tue Nov 30 01:55:03 CST 2021 Pavithra Barithaya <pavithra.b@ibm.com> PLDM:OEM Pass service authorization credentials to PHYP
This commit implements a mechanism to pass the service agent's
credentials along with a request to invoke a PHYP macro. This is
known as Resource Dump with authentication.
-The setting for this is: the service agent is authenticated to
the BMC and is performing an operation to invoke a PHYP macro.
-The credentials that need to be passed into the request include
the ACF (Authentication Certificate File)
(which can be copied from the BMC's file system) and
the service account's password that goes with that ACF.
-The credentials are optionally provided.
Signed-off-by: Pavithra Barithaya <pavithra.b@ibm.com>
Change-Id: Ie05838cf717015684806d7fd11744ebdd16597a5
|
| H A D | dbus_to_file_handler.cpp | c047f800 Tue Nov 30 01:55:03 CST 2021 Pavithra Barithaya <pavithra.b@ibm.com> PLDM:OEM Pass service authorization credentials to PHYP
This commit implements a mechanism to pass the service agent's
credentials along with a request to invoke a PHYP macro. This is
known as Resource Dump with authentication.
-The setting for this is: the service agent is authenticated to
the BMC and is performing an operation to invoke a PHYP macro.
-The credentials that need to be passed into the request include
the ACF (Authentication Certificate File)
(which can be copied from the BMC's file system) and
the service account's password that goes with that ACF.
-The credentials are optionally provided.
Signed-off-by: Pavithra Barithaya <pavithra.b@ibm.com>
Change-Id: Ie05838cf717015684806d7fd11744ebdd16597a5
|
| /openbmc/linux/drivers/iommu/ |
| H A D | mtk_iommu_v1.c | f3e827d7 Fri Jan 26 01:11:28 CST 2018 Yong Wu <yong.wu@mediatek.com> iommu/mediatek: Move attach_device after iommu-group is ready for M4Uv1
In the commit 05f80300dc8b ("iommu: Finish making iommu_group support
mandatory"), the iommu framework has supposed all the iommu drivers have
their owner iommu-group, it get rid of the FIXME workarounds while the
group is NULL. But the flow of Mediatek M4U gen1 looks a bit trick that
it will hang at this case:
==========================================
Unable to handle kernel NULL pointer dereference at virtual address 00000030
pgd = c0004000
[00000030] *pgd=00000000
PC is at mutex_lock+0x28/0x54
LR is at iommu_attach_device+0xa4/0xd4
pc : [<c07632e8>] lr : [<c04736fc>] psr: 60000013
sp : df0edbb8 ip : df0edbc8 fp : df0edbc4
r10: c114da14 r9 : df2a3e40 r8 : 00000003
r7 : df27a210 r6 : df2a90c4 r5 : 00000030 r4 : 00000000
r3 : df0f8000 r2 : fffff000 r1 : df29c610 r0 : 00000030
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
xxx
(mutex_lock) from [<c04736fc>] (iommu_attach_device+0xa4/0xd4)
(iommu_attach_device) from [<c011b9dc>] (__arm_iommu_attach_device+0x28/0x90)
(__arm_iommu_attach_device) from [<c011ba60>] (arm_iommu_attach_device+0x1c/0x30)
(arm_iommu_attach_device) from [<c04759ac>] (mtk_iommu_add_device+0xfc/0x214)
(mtk_iommu_add_device) from [<c0472aa4>] (add_iommu_group+0x3c/0x68)
(add_iommu_group) from [<c047d044>] (bus_for_each_dev+0x78/0xac)
(bus_for_each_dev) from [<c04734a4>] (bus_set_iommu+0xb0/0xec)
(bus_set_iommu) from [<c0476310>] (mtk_iommu_probe+0x328/0x368)
(mtk_iommu_probe) from [<c048189c>] (platform_drv_probe+0x5c/0xc0)
(platform_drv_probe) from [<c047f510>] (driver_probe_device+0x2f4/0x4d8)
(driver_probe_device) from [<c047f800>] (__driver_attach+0x10c/0x128)
(__driver_attach) from [<c047d044>] (bus_for_each_dev+0x78/0xac)
(bus_for_each_dev) from [<c047ec78>] (driver_attach+0x2c/0x30)
(driver_attach) from [<c047e640>] (bus_add_driver+0x1e0/0x278)
(bus_add_driver) from [<c048052c>] (driver_register+0x88/0x108)
(driver_register) from [<c04817ec>] (__platform_driver_register+0x50/0x58)
(__platform_driver_register) from [<c0b31380>] (m4u_init+0x24/0x28)
(m4u_init) from [<c0101c38>] (do_one_initcall+0xf0/0x17c)
=========================
The root cause is that the device's iommu-group is NULL while
arm_iommu_attach_device is called. This patch prepare a new iommu-group
for the iommu consumer devices to fix this issue.
CC: Robin Murphy <robin.murphy@arm.com>
CC: Honghui Zhang <honghui.zhang@mediatek.com>
Fixes: 05f80300dc8b ("iommu: Finish making iommu_group support mandatory")
Reported-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
f3e827d7 Fri Jan 26 01:11:28 CST 2018 Yong Wu <yong.wu@mediatek.com> iommu/mediatek: Move attach_device after iommu-group is ready for M4Uv1
In the commit 05f80300dc8b ("iommu: Finish making iommu_group support
mandatory"), the iommu framework has supposed all the iommu drivers have
their owner iommu-group, it get rid of the FIXME workarounds while the
group is NULL. But the flow of Mediatek M4U gen1 looks a bit trick that
it will hang at this case:
==========================================
Unable to handle kernel NULL pointer dereference at virtual address 00000030
pgd = c0004000
[00000030] *pgd=00000000
PC is at mutex_lock+0x28/0x54
LR is at iommu_attach_device+0xa4/0xd4
pc : [<c07632e8>] lr : [<c04736fc>] psr: 60000013
sp : df0edbb8 ip : df0edbc8 fp : df0edbc4
r10: c114da14 r9 : df2a3e40 r8 : 00000003
r7 : df27a210 r6 : df2a90c4 r5 : 00000030 r4 : 00000000
r3 : df0f8000 r2 : fffff000 r1 : df29c610 r0 : 00000030
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
xxx
(mutex_lock) from [<c04736fc>] (iommu_attach_device+0xa4/0xd4)
(iommu_attach_device) from [<c011b9dc>] (__arm_iommu_attach_device+0x28/0x90)
(__arm_iommu_attach_device) from [<c011ba60>] (arm_iommu_attach_device+0x1c/0x30)
(arm_iommu_attach_device) from [<c04759ac>] (mtk_iommu_add_device+0xfc/0x214)
(mtk_iommu_add_device) from [<c0472aa4>] (add_iommu_group+0x3c/0x68)
(add_iommu_group) from [<c047d044>] (bus_for_each_dev+0x78/0xac)
(bus_for_each_dev) from [<c04734a4>] (bus_set_iommu+0xb0/0xec)
(bus_set_iommu) from [<c0476310>] (mtk_iommu_probe+0x328/0x368)
(mtk_iommu_probe) from [<c048189c>] (platform_drv_probe+0x5c/0xc0)
(platform_drv_probe) from [<c047f510>] (driver_probe_device+0x2f4/0x4d8)
(driver_probe_device) from [<c047f800>] (__driver_attach+0x10c/0x128)
(__driver_attach) from [<c047d044>] (bus_for_each_dev+0x78/0xac)
(bus_for_each_dev) from [<c047ec78>] (driver_attach+0x2c/0x30)
(driver_attach) from [<c047e640>] (bus_add_driver+0x1e0/0x278)
(bus_add_driver) from [<c048052c>] (driver_register+0x88/0x108)
(driver_register) from [<c04817ec>] (__platform_driver_register+0x50/0x58)
(__platform_driver_register) from [<c0b31380>] (m4u_init+0x24/0x28)
(m4u_init) from [<c0101c38>] (do_one_initcall+0xf0/0x17c)
=========================
The root cause is that the device's iommu-group is NULL while
arm_iommu_attach_device is called. This patch prepare a new iommu-group
for the iommu consumer devices to fix this issue.
CC: Robin Murphy <robin.murphy@arm.com>
CC: Honghui Zhang <honghui.zhang@mediatek.com>
Fixes: 05f80300dc8b ("iommu: Finish making iommu_group support mandatory")
Reported-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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