The original EEH implementation is heavily depending on struct pci_dn.
We have to put EEH related information to pci_dn. Actually, we could
split struct pci_dn so that the EEH sensitive information to form an
individual struct, then EEH looks more independent.
The patch replaces pci_dn with eeh_de
With original EEH implementation, all EEH related statistics have
been put into struct pci_dn. We've introduced struct eeh_dev to
replace struct pci_dn in EEH core components, including EEH sysfs
component.
The patch shows EEH statistics from struct eeh_dev instead of struct
pci_dn in EEH sysfs co
In order to enable particular PCI device, which has been included
in the parent PE. The involved PCI bridges should be enabled explicitly
if there has. On pSeries platform, there're dedicated RTAS calls
to fulfil the purpose.
The patch implements the function of configuring PCI bridges through
the
With original EEH implementation, struct pci_dn is used while building
PCI I/O address cache, which helps on searching the corresponding
PCI device according to the given physical I/O address. Besides, pci_dn
is associated with the corresponding PCI device while building its
I/O cache.
The patch r
With the original EEH implementation, the EEH global statistics
are maintained by individual global variables. That makes the
code a little hard to maintain.
The patch introduces extra struct eeh_stats for the EEH global
statistics so that it can be maintained in collective fashion.
Signed-off-by
The pci_dn has been replaced with eeh_dev. In order to comply with
the rule, the EEH platform implementation on pSeries should also
be adjusted for a little bit so that it will depend on eeh_dev instead
of pci_dn.
The patch replaces pci_dn with eeh_dev. The corresponding information
will be retrie
Original EEH implementation depends on struct pci_dn heavily. However,
EEH shouldn't depend on that actually because EEH needn't share much
information with other PCI components. That's to say, EEH should have
worked independently.
The patch introduces struct eeh_dev so that EEH core components ne
With the original EEH implementation, the access to config space of
the corresponding PCI device is done by RTAS sensitive function. That
depends on pci_dn heavily. That would limit EEH extension to other
platforms like powernv because other platforms might have different
ways to access PCI config
EEH has been implemented on RTAS-compliant pSeries platform.
That's to say, the EEH operations will be implemented through RTAS
calls eventually. The situation limited feasible extension on EEH.
In order to support EEH on multiple platforms like pseries and powernv
simutaneously. We have to split t
The original EEH implementation is heavily depending on struct pci_dn.
We have to put EEH related information to pci_dn. Actually, we could
split struct pci_dn so that the EEH sensitive information to form an
individual struct, then EEH looks more independent.
The patch replaces pci_dn with eeh_de
The platform specific EEH operations have been abstracted by
struct eeh_ops. The individual platroms, including pSeries, needs
doing necessary initialization before the platform dependent EEH
operations work properly.
The patch is addressing that and do necessary platform initialization
for pSerie
The EEH has been implemented on pSeries platform. The original
code looks a little bit nasty. The patch does cleanup on the
current EEH implementation so that it looks more clean.
* Duplicated comments have been removed from the corresponding
header files.
* Comments have
On RTAS compliant pSeries platform, one dedicated RTAS call has
been introduced to retrieve EEH temporary or permanent error log.
The patch implements the function of retriving EEH error log through
RTAS call. Besides, it has been abstracted by struct eeh_ops::get_log
so that EEH core components c
On pSeries platform, there're 2 dedicated RTAS calls introduced to
retrieve the corresponding PE's state: ibm,read-slot-reset-state and
ibm,read-slot-reset-state2.
The patch implements the retrieval of PE's state according to the
given PE address. Besides, the implementation has been abstracted by
There're several EEH aux components and the patch does some cleanup
for them so that they look more clean.
* Duplicated comments have been removed from the header file.
* Comments have been reorganized so that it looks more clean.
* The leading comments of functions are adj
The patch does some cleanup on the function names of EEH
aux components. Currently, only couple of function names from
eeh_cache have been adjusted so that:
* The function name has prefix "eeh_addr_cache".
* Move around pci_addr_cache_build() in the header file
to reflect
The EEH has been implemented on pSeries platform. The original
code looks a little bit nasty. The patch does cleanup on the
current EEH implementation so that it looks more clean.
* Try adding prefix "eeh" for functions.
* Some function names have been adjusted so that they looks
There're 4 EEH operations that are covered by the dedicated RTAS
call : enable or disable EEH, enable MMIO and
enable DMA. At early stage of system boot, the EEH would be tried
to enable on PCI device related device node. MMIO and DMA for
particular PE should be enabled when doing recovery on EEH e
On RTAS compliant pSeries platform, there is a dedicated RTAS call
(ibm,set-slot-reset) to reset the specified PE. Furthermore, two
types of resets are supported: hot and fundamental. the type of
reset is to be used actually depends on the included PCI device's
requirements.
The patch implements r
On pSeries platform, the PE state might be temporarily unavailable.
In that case, the firmware will return the corresponding wait time.
That means the kernel has to wait for appropriate time in order to
get the PE state.
The patch does the implementation for that. Besides, the function
has been ab
There're 2 types of addresses used for EEH operations. The first
one would be BDF (Bus/Device/Function) address which is retrieved
from the reg property of the corresponding FDT node. Another one
is PE address that should be enquired from firmware through RTAS
call on pSeries platform. When issuing
This series of patches is going to reorganize EEH so that it could support
multiple platforms in future. The requirements were raised from the aspects.
* The original EEH implementation only support pSeries platform, which
would be regarded as guest system. Platform powernv is co
On Mon, Feb 27, 2012 at 7:09 PM, Yinghai Lu wrote:
> Signed-off-by: Yinghai Lu
> Cc: Benjamin Herrenschmidt
> Cc: Paul Mackerras
> Cc: linuxppc-dev@lists.ozlabs.org
> ---
> arch/powerpc/kernel/pci-common.c | 7 ++-
> 1 files changed, 6 insertions(+), 1 deletions(-)
>
> diff --git a/arch
On Mon, Feb 27, 2012 at 7:06 PM, Stephen Rothwell wrote:
> Hi Grant,
>
> Today's linux-next merge of the devicetree tree got a conflict in
> arch/powerpc/platforms/iseries/Kconfig between commit 3d066d77cf46
> ("powerpc: remove CONFIG_PPC_ISERIES from the architecture Kconfig
> files") from the po
Hi Grant,
Today's linux-next merge of the irqdomain tree got a conflict in
arch/powerpc/sysdev/mpic.c between commit fe83364f0bf1 ("powerpc/mpic:
Fix allocation of reverse-map for multi-ISU mpics") from the powerpc tree
and commit a8db8cf0d894 ("irq_domain: Replace irq_alloc_host() with
revmap-spe
Signed-off-by: Yinghai Lu
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: linuxppc-dev@lists.ozlabs.org
---
arch/powerpc/kernel/pci-common.c |7 ++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index
Hi Grant,
Today's linux-next merge of the devicetree tree got a conflict in
arch/powerpc/platforms/iseries/Kconfig between commit 3d066d77cf46
("powerpc: remove CONFIG_PPC_ISERIES from the architecture Kconfig
files") from the powerpc tree and commit 0f22dd395fc4 ("of: Only compile
OF_DYNAMIC on P
> Hi Gavin,
>
> On Fri, 24 Feb 2012 17:38:11 +0800 Gavin Shan
> wrote:
> >
> > diff --git a/arch/powerpc/include/asm/device.h
> > b/arch/powerpc/include/asm/device.h
> > index d57c08a..4668344 100644
> > --- a/arch/powerpc/include/asm/device.h
> > +++ b/arch/powerpc/include/asm/device.h
> > @@
>
> > +/*
> > + * The struct is used to maintain the EEH global statistic
> > + * information. Besides, the EEH global statistics will be
> > + * exported to user space through procfs
> > + */
> > +struct eeh_stats {
> > + unsigned long no_device;/* PCI device not found
> */
> > + uns
> Hi Gavin,
>
> On Fri, 24 Feb 2012 17:38:17 +0800 Gavin Shan
> wrote:
> >
> > diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
> > index 1310971..226c9a5 100644
> > --- a/arch/powerpc/include/asm/eeh.h
> > +++ b/arch/powerpc/include/asm/eeh.h
> > @@ -98,6 +98,21 @@ s
> Hi Gavin,
>
> On Fri, 24 Feb 2012 17:38:11 +0800 Gavin Shan
> wrote:
> >
> > +#define EEH_DEV_TO_OF_NODE(edev) (edev->dn)
> > +#define EEH_DEV_TO_PCI_DEV(edev) (edev->pdev)
> > +#define OF_NODE_TO_EEH_DEV(dn) ((struct eeh_dev *)(dn->edev))
> > +#define PCI_DEV_TO_EEH_DEV(pdev)
Hi Ben,
On 27.02.2012 [10:22:14 +1100], Benjamin Herrenschmidt wrote:
> On Fri, 2012-02-24 at 16:23 -0800, Nishanth Aravamudan wrote:
> > On a 16TB system (using AMS/CMO), I get:
> >
> > WARNING: ignoring large property [/ibm,dynamic-reconfiguration-memory]
> > ibm,dynamic-memory length 0x00
On Mon, 2012-02-27 at 20:19 +1100, Benjamin Herrenschmidt wrote:
> On Mon, 2012-02-27 at 17:37 +1100, Stephen Rothwell wrote:
> > pci_add_resource_offset(resources, res,
> > - (resource_size_t) hose->io_base_virt - _IO_BASE);
> > + (resource_size_
On Sat, Feb 25, 2012 at 12:47 AM, Yinghai Lu wrote:
> On Fri, Feb 24, 2012 at 2:24 PM, Jesse Barnes
> wrote:
>> On Thu, 23 Feb 2012 12:51:30 -0800
>> Bjorn Helgaas wrote:
>>> 2) We already have a way to add resources to a root bus: the
>>> pci_add_resource() used to add I/O port and MMIO apertu
On Mon, 2012-02-27 at 13:57 +, Martyn Welch wrote:
> This patch (or one like it) has been around for a while now. Kumar wanted me
> to put them here rather than sysdev[1], but I'm easy either way.
Ah well, I disagree with Kumar here :-) One thing you can do is put all
your platforms files inc
On 02/23/2012 03:22 AM, Liu Yu wrote:
> +static int __init epapr_paravirt_init(void)
> +{
> + struct device_node *hyper_node;
> + const u32 *insts;
> + int len, i;
> +
> + hyper_node = of_find_node_by_path("/hypervisor");
> + if (!hyper_node)
> + return -ENODEV;
> +
[Re: [PATCH net-next] ibm emac: delete module references; phy.c only supported
as built-in] On 27/02/2012 (Mon 14:57) David Miller wrote:
> From: Paul Gortmaker
> Date: Mon, 27 Feb 2012 14:47:04 -0500
>
> > The Makefile has it as "ibm_emac-y := mal.o core.o phy.o" so there is
> > no way this ca
On Mon, 2012-02-27 at 14:47 -0500, Paul Gortmaker wrote:
> The Makefile has it as "ibm_emac-y := mal.o core.o phy.o" so there is
> no way this can be built modular, so remove all references to module
> support.
No, that's nonsense. You need to look at whether ibm_emac.o can be
added to obj-m (whi
From: Paul Gortmaker
Date: Mon, 27 Feb 2012 14:47:04 -0500
> The Makefile has it as "ibm_emac-y := mal.o core.o phy.o" so there is
> no way this can be built modular, so remove all references to module
> support.
That doesn't mean it's only buildable statically.
"ibm_emacs-y :=" is merely a way
On 02/23/2012 03:22 AM, Liu Yu wrote:
> diff --git a/drivers/virt/Kconfig b/drivers/virt/Kconfig
> index 2dcdbc9..99ebdde 100644
> --- a/drivers/virt/Kconfig
> +++ b/drivers/virt/Kconfig
> @@ -15,6 +15,7 @@ if VIRT_DRIVERS
> config FSL_HV_MANAGER
> tristate "Freescale hypervisor management d
The Makefile has it as "ibm_emac-y := mal.o core.o phy.o" so there is
no way this can be built modular, so remove all references to module
support.
Signed-off-by: Paul Gortmaker
diff --git a/drivers/net/ethernet/ibm/emac/phy.c
b/drivers/net/ethernet/ibm/emac/phy.c
index d3b9d10..fb96387 100644
On 02/26/2012 05:59 AM, Alexander Graf wrote:
>
> On 25.02.2012, at 00:40, Scott Wood wrote:
>
>> On 02/24/2012 08:26 AM, Alexander Graf wrote:
>>> +static void kvmppc_fill_pt_regs(struct kvm_vcpu *vcpu, struct pt_regs
>>> *regs)
>>> {
>>> - int r = RESUME_HOST;
>>> + int i;
>>>
>>> - /* u
On 02/24/2012 08:26 AM, Alexander Graf wrote:
> -void kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
> +int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
> {
> unsigned long *pending = &vcpu->arch.pending_exceptions;
> unsigned long old_pending = vcpu->arch.pending_exception
On 02/27/2012 04:59 AM, Olivia Yin wrote:
> So that we can call it in kernel.
>
> Signed-off-by: Liu Yu
Explain why we want this, and point out that this makes it similar to
load_up_fpu.
> ---
> arch/powerpc/kernel/head_fsl_booke.S | 23 ++-
> 1 files changed, 6 insertion
> -Original Message-
> From: Alexander Graf [mailto:ag...@suse.de]
> Sent: Monday, February 27, 2012 11:53 PM
> To: Bhushan Bharat-R65777
> Cc: kvm-...@vger.kernel.org; k...@vger.kernel.org;
> linuxppc-dev@lists.ozlabs.org;
> Wood Scott-B07421
> Subject: Re: [PATCH 24/37] KVM: PPC: booke
On 02/27/2012 06:33 PM, Alexander Graf wrote:
On 02/27/2012 05:34 PM, Bhushan Bharat-R65777 wrote:
+}
+
+/*
+ * Common checks before entering the guest world. Call with
interrupts
+ * disabled.
+ *
+ * returns !0 if a signal is pending and check_signal is true */
+static int kvmppc_prepare
On Feb 26, 2012, at 5:47 PM, Benjamin Herrenschmidt wrote:
>
>>
>> +/*
>> + * We could be here because another thread has enabled acop
>> + * but the ACOP register has yet to be updated.
>> + *
>> + * This should have been taken care of by the IPI to sync all
>> + * the
On 02/27/2012 05:34 PM, Bhushan Bharat-R65777 wrote:
+}
+
+/*
+ * Common checks before entering the guest world. Call with interrupts
+ * disabled.
+ *
+ * returns !0 if a signal is pending and check_signal is true */
+static int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu, bool
+check_sign
> -Original Message-
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
> Of
> Alexander Graf
> Sent: Friday, February 24, 2012 7:56 PM
> To: kvm-...@vger.kernel.org
> Cc: k...@vger.kernel.org; linuxppc-dev@lists.ozlabs.org; Wood Scott-B07421
> Subject: [PATCH
On 02/27/2012 06:48 AM, Baruch Siach wrote:
> Since 9e6c643b (phy/fixed: use an unique MDIO bus name) the name of the fixed
> PHY bus is "fixed-0". Teach of_phy_connect_fixed_link() the new name.
>
Applied for 3.3.
Rob
> Tested on a P1020RDB PowerPC system.
>
> Signed-off-by: Baruch Siach
> -
On Mon, Feb 27, 2012 at 4:59 AM, Olivia Yin wrote:
> So that we can call it in kernel.
And why would we want that?
--
Timur Tabi
Linux kernel developer at Freescale
___
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/l
Le 02/27/12 13:48, Baruch Siach a écrit :
Since 9e6c643b (phy/fixed: use an unique MDIO bus name) the name of the fixed
PHY bus is "fixed-0". Teach of_phy_connect_fixed_link() the new name.
Tested on a P1020RDB PowerPC system.
Signed-off-by: Baruch Siach
Acked-by: Florian Fainelli
---
On 26/02/12 23:37, Benjamin Herrenschmidt wrote:
> On Tue, 2012-02-07 at 11:28 +, Martyn Welch wrote:
>> Move the GE GPIO and PIC drivers to allow these to be used by non-86xx
>> boards.
>
> Hi, Sorry for the late review...
>
No problem, thanks for the review!
>> Signed-off-by: Martyn Welch
Since 9e6c643b (phy/fixed: use an unique MDIO bus name) the name of the fixed
PHY bus is "fixed-0". Teach of_phy_connect_fixed_link() the new name.
Tested on a P1020RDB PowerPC system.
Signed-off-by: Baruch Siach
---
drivers/of/of_mdio.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(
Factor out the the existing allocation and free operations
so that they can be used individually.
This is to improve code readability, and also to prepare for
possible future changes like better error recovery and more
dynamic configuration (e.g on-the-fly resizing of the rings).
This change repr
The mpc836x_mds platform has been broken since the commit
6fe3264945ee63292cdfb27b6e95bc52c603bb09
"netdev/phy: Use mdiobus_read() so that proper locks are taken"
which caused the fsl_pq_mdio TBI autoprobe to oops. The oops
was "fixed" in commit 28d8ea2d568534026ccda3e8936f5ea1e04a86a1
"fsl
Like book3s did for fp switch,
instead of switch SPE between host and guest,
the patch switch SPE state between qemu and guest.
In this way, we can simulate a host loadup SPE when load guest SPE state,
and let host to decide when to giveup SPE state.
Therefor it cooperates better with host SPE usag
So that we can call it in kernel.
Signed-off-by: Liu Yu
---
arch/powerpc/kernel/head_fsl_booke.S | 23 ++-
1 files changed, 6 insertions(+), 17 deletions(-)
diff --git a/arch/powerpc/kernel/head_fsl_booke.S
b/arch/powerpc/kernel/head_fsl_booke.S
index d5d78c4..c96e025 100
On Mon, 2012-02-27 at 17:37 +1100, Stephen Rothwell wrote:
> pci_add_resource_offset(resources, res,
> - (resource_size_t) hose->io_base_virt - _IO_BASE);
> + (resource_size_t)(unsigned long)hose->io_base_virt -
> _IO_BASE);
We have to be carefu
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