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Export spu statistics in sysfs.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Export per-context statistics in spufs.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add a bit define from book, and replace one hex number with a
symbol, for clarity.
Signed-off-by: Sebastian Siewior <bigeasy@linux.vnet.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Use the ppc64 style list management and allocation functions for
pci_controllers. This makes the pci_controller structs just a bit more
common between ppc32 & ppc64.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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In the places we can move to using pci_bus_to_host, this allows us
to make pci_bus_to_host static and remove its export.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Make the ppc32 pcibios_alloc_controller take a device node to match
the ppc64 prototypes and have it set arch_data.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Make the pci_controller struct use global_number for the PHB domain number
instead of index to match what ppc64 does and reuse its pci_domain_nr code.
Introduced a pci-common.c to handle shared code between ppc32 & ppc64.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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There are no in kernel users of any off these functions and some of
them were not even EXPORT_SYMBOL:
- pci_bus_io_base()
- pci_bus_io_base_phys()
- pci_bus_mem_base_phys()
- pci_resource_to_bus()
- phys_to_bus()
- pci_phys_to_bus()
- pci_bus_to_phys()
- pci_init_resource()
- resource_fixup()
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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We never actually read local_number so lets just remove it.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Moved bits need for ppc32 from asm-ppc/pci-bridge.h into
asm-powerpc/pci-bridge.h.
Removed ARCH=powerpc specific bits (and comments related to ARCH=ppc)
from asm-ppc/pci-bridge.h as its only used on ARCH=ppc.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The Freescale PCI-e controllers have an issue in that they use the
PCI_PRIMARY_BUS register in the virtual P2P bridge to determine which
bus number to match on when generating a type 0 config cycle. The
issue is if we are renumbering bus numbers to match Linux we will try
setting the PCI_PRIMARY_BUS and will not know which bus number to use
for generating type 0 config cycles. We surpress writing the register
in the P2P bridge and always keep it at zero.
In the future when proper PCI domain support is working we should be
able to remove this.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The generic PCI config ops indirect support for ppc32 covers only two
cases (implicit vs explicit) type 0/1 config cycles via set_cfg_type.
Added a indirect_type bit mask to handle other variants.
Added support for PCI-e extended registers and moved the cfg_type
handling into the bit mask for ARCH=powerpc. We can also use this to
handle indirect quirks.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Removed the remants of bus_offset and use self_busno in the mv64x60 case
and use pci_assign_all_buses on 83xx/85xx.
83xx/85xx have multiple PHBs and the firmwares on these devices tend not
to handle topologies with P2P bridges well so we let Linux just reassign
the bus numbers to match.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Added self_busno to pci_controller and indirect PCI ops to be set by
board code to indicate which bus number to use when talking to the PHB.
By default we use zero since the majority of controllers that have
implicit mechanisms to talk to the PHBs use a bus number of zero.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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There are times that we need to know which controller we are on to decide
how to exclude devices properly. We now pass the pci_controller that we
are going to use down to the pci_exclude_device function. This will
greatly simplify being able to exclude the PHBs in multiple controller
setups.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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When CONFIG_PCI is disabled, the definitions for isa_io_base,
isa_mem_base and pci_dram_offset are entirely unused, but they
can result in link failure because they are defined in multiple
places.
The easiest fix is to just remove all these definitions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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asm-powerpc/processor.h declares, and arch/ppc/platforms/prep_setup.c
defines variables ucBoardRev, ucBoardRevMaj and ucBoardRevMin which
are used nowhere in the current kernel (neither in arch/ppc nor
arch/powerpc). This removes them.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Currently iSeries will recalibrate the cputime_factors in the first
settimeofday() call.
It seems the reason for doing this is to ensure a resaonable time delta after
time_init(). On current kernels (with udev), this call is made 40-60 seconds
into the boot process, by moving it to a late initcall it is called
approximately 5 seconds after time_init() is called. This is sufficient to
recalibrate the timebase.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add storage driver core support for the PS3.
PS3 storage devices are a special kind of PS3 system bus device.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Preallocate 256 KiB of bootmem memory for the PS3 FLASH ROM storage driver.
This can be disabled by passing `ps3flash=off' on the kernel command line.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Convert the ps3fb device from a platform device to a PS3 system bus device.
Fix the remove and shutdown methods to support kexec and to make ps3fb a
loadable module.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Make the PS3 ps3av driver a loadable module.
- Replace static data with kmalloc()'ed.
o Allocate struct ps3av dynamically, as it contains data used as vuart
receive/transmit buffers
o Move static recv_buf from ps3av_do_pkt() to struct ps3av
- Move ps3av_vuart_{read,write}() from drivers/ps3/ps3av_cmd.c to
drivers/ps3/ps3av.c and make them static as they're used in that file only.
- Make device a PS3 system-bus device.
- Update copyright formatting.
- Make two new routines ps3av_register_flip_ctl() and ps3av_flip_ctl() to
support late binding of the frame buffer flip control routine.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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PS3 sys-manager updates to reflect the new PS3 unifed device support.
Fixups to the PS3 sys-manager driver to properly support sys_reboot().
- Add varable request_tag to struct ps3_sys_manager_header.
- Move ctrl_alt_del from PS3_SM_EVENT_POWER_RELEASED to
PS3_SM_EVENT_POWER_PRESSED.
- Make the PS3 sys-manager driver a loadable module.
- Add new file sys-manager-core.c.
- Add new struct ps3_sys_manager_ops for dynamic binding.
- Put data sent to device on stack.
- Add support for PS3_SM_SERVICE_ID_REQUEST_ERROR.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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PS3 vuart updates to reflect the new PS3 unified device support.
- Move vuart devices to the PS3 system bus.
- Replace use of ps3_vuart_port_device with ps3_system_bus_device.
- Make the PS3 vuart bus driver a loadable module.
- Add remove() and shutdown() routines.
- Move ps3_vuart_work into ps3_vuart_port_priv.tx_list.
- Remove redundant spinlock ps3_vuart_work.lock.
- No longer free ps3_vuart_port_device.priv on shutdown.
- Cleanup Kconfig defs.
- Export symbols needed for modular port drivers.
- Arrange to use port numbers found in repository.
- Fix bugs in ps3_vuart_read_async() and polled reading
- Cleanup handling of shared interrupt with ps3_vuart_bus_interrupt_get()
and ps3_vuart_bus_interrupt_put()
- Add more comments to vuart.c.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Rework the PS3 system bus to unify device support.
- DMA region sizes must be a power of two
- storage bus DMA updates:
- Small fixes for the PS3 DMA core:
o fix alignment bug
o kill superfluous test
o indentation
o spelling
o export ps3_dma_region_{create,free}()
- ps3_dma_region_init():
o Add `addr' and `len' parameters, so you can create a DMA region that
does not cover all memory (use `NULL' and `0' to cover all memory).
This is needed because there are not sufficient IOMMU resources to have
all DMA regions cover all memory.
o Uninline
- Added remove and shutdown routines to all drivers.
- Added loadable module support to all drivers.
- Added HV calls for iopte management (needed by sound driver).
Signed-off-by: MOKUNO Masakazu <mokuno@sm.sony.co.jp>
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add support for HDMI RGB Full Range mode, which is available on system
software 1.80 or newer.
CC: Masashi Kimoto <Masashi_Kimoto@hq.scei.sony.co.jp>
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add a utility routine ps3_compare_firmware_version() to compare system
firmware versions. Uses the existing ps3_get_firmware_version() routine.
Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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On Power machines supporting VRMA, Kexec/Kdump does not work.
VRMA (virtual real-mode area) means that accesses with IR/DR = 0
(i.e. the MMU "off") actually still go through the hash table,
using entries put there by the hypervisor.
This means that when we clear out the hash table on kexec, we need to
make sure these entries are left untouched.
This also adds plpar_pte_read_raw() on the lines of
plpar_pte_remove_raw().
Signed-off-by : Sachin Sant <sachinp@in.ibm.com>
Signed-off-by : Mohan Kumar M <mohan@in.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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For POWERPC, stolen time accounts for cycles lost to the hypervisor or
PURR cycles attributed to the other SMT thread. Hence, when a PURR is
available, we should still calculate stolen time, irrespective of being
virtualised.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch adds irq_create_direct_mapping(). This routine is
an alternative to irq_create_mapping(), for irq controllers that
can use linux virq numbers directly as hardware numbers.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Uninline virq_to_hw and export it so modules can use it. The alternative
would be to export the irq_map array instead, but it's an infrequently
called function, and keeping the array unexported seems considerably
cleaner.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Currently the powerpc kernel has a 64-bit only feature,
COHERENT_ICACHE used for those CPUS which maintain icache/dcache
coherency in hardware (POWER5, essentially). It also has a feature,
SPLIT_ID_CACHE, which is used on CPUs which have separate i and
d-caches, which is to say everything except 601 and Freescale E200.
In nearly all the places we check the SPLIT_ID_CACHE, what we actually
care about is whether the i and d-caches are coherent (which they will
be, trivially, if they're the same cache).
This tries to clarify the situation a little. The COHERENT_ICACHE
feature becomes availble on 32-bit and is set for all CPUs where i and
d-cache are effectively coherent, whether this is due to special logic
(POWER5) or because they're unified. We check this, instead of
SPLIT_ID_CACHE nearly everywhere.
The SPLIT_ID_CACHE feature itself is replaced by a UNIFIED_ID_CACHE
feature with reversed sense, set only on 601 and Freescale E200. In
the two places (one Freescale BookE specific) where we really care
whether it's a unified cache, not whether they're coherent, we check
this feature. The CPUs with unified cache are so few, we could
consider replacing this feature bit with explicit checks against the
PVR.
This will make unifying the 32-bit and 64-bit cache flush code a
little more straightforward.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Using typedefs to rename structure types if frowned on by CodingStyle.
However, we do so for the hash PTE structure on both ppc32 (where it's
called "PTE") and ppc64 (where it's called "hpte_t"). On ppc32 we
also have such a typedef for the BATs ("BAT").
This removes this unhelpful use of typedefs, in the process
bringing ppc32 and ppc64 closer together, by using the name "struct
hash_pte" in both cases.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This factors some things defined in both pgtable-ppc32.h and
pgtable-ppc64.h into the common part of asm-powerpc/pgtable.h. These
are all things which have essentially identical definitions, and which
by their nature are very unlikely ever to need different definitions
in the two cases.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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APUS (the Amiga Power-Up System) is not supported under arch/powerpc
and it's unlikely it ever will be. Therefore, this patch removes the
fragments of APUS support code from arch/powerpc which have been
copied from arch/ppc.
A few APUS references are left in asm-powerpc in .h files which are
still used from arch/ppc.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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These old-fashioned IO mapping functions no longer have any callers in
code which remains relevant on arch/powerpc. Therefore, this removes
them from arch/powerpc.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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arch/powerpc still relies on asm-ppc/mmu.h for most 32-bit MMU types.
This is another step towards fixing this. It takes the portions
of asm-ppc/mmu.h related to the "classic" 32-bit hash page table MMU
which are still relevant in arch/powerpc and puts them in a new
asm-powerpc/mmu-hash32.h, included when appropriate from
asm-powerpc/mmu.h.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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A Power6 can give up CPU cycles on a dedicated CPU (as opposed to a
shared CPU) to other shared processors if the administrator asks for it
(via the HMC).
This enables that to work properly on P6.
This just involves setting a bit in the CAS structure as well as the
VPA. To donate cycles, a CPU has to have all SMT threads idle and
have the donate bit set in the VPA. Then call H_CEDE.
The reason why shared processors just aren't used is because dedicated
CPUs are guaranteed an actual processor, yet the system is still able to
increase the capacity of the shared CPU pool.
Also rename the VPA's cpuctls_task_attrs field to a more accurate name.
Signed-off-by: Jake Moilanen <moilanen@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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sys_sigaltstack is the same on 32bit and 64 and we can consolidate it
to signal.c. The only difference is that the 32bit code uses ints
for the unused register paramaters and 64bit unsigned long. I've
changed it to unsigned long because it's the same width on 32bit.
(I also wonder who came up with this awkward calling convention.. :))
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This folds back the ptrace-common.h bits back into ptrace.c and removes
that file. The FSL SPE bits from ptrace-ppc32.h are folded back in as
well.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The powerpc ptrace interface is dodgy at best. We have defined our
"own" versions of GETREGS/SETREGS/GETFPREGS/SETFPREGS that strangely
take arguments in reverse order from other archs (in addition to having
different request numbers) and have subtle issue, like not accessing
all of the registers in their respective categories.
This patch moves the implementation of those to a separate function
in order to facilitate their deprecation in the future, and provides
new ptrace requests that mirror the x86 and sparc ones and use the
same numbers:
PTRACE_GETREGS : returns an entire pt_regs (the whole thing,
not only the 32 GPRs, though that doesn't
include the FPRs etc... There's a compat version
for 32 bits that returns a 32 bits compatible
pt_regs (44 uints)
PTRACE_SETREGS : sets an entire pt_regs (the whole thing,
not only the 32 GPRs, though that doesn't
include the FPRs etc... Some registers cannot be
written to and will just be dropped, this is the
same as with POKEUSR, that is anything above MQ
on 32 bits and CCR on 64 bits. There is a compat
version as well.
PTRACE_GETFPREGS : returns all the FP registers -including- the FPSCR
that is 33 doubles (regardless of 32/64 bits)
PTRACE_SETFPREGS : sets all the FP registers -including- the FPSCR
that is 33 doubles (regardless of 32/64 bits)
And two that only exist on 64 bits kernels:
PTRACE_GETREGS64 : Same as PTRACE_GETREGS, except there is no compat
function, a 32 bits process will obtain the full 64
bits registers
PTRACE_SETREGS64 : Same as PTRACE_SETREGS, except there is no compat
function, a 32 bits process will set the full 64
bits registers
The two later ones makes things easier to have a 32 bits debugger on a
64 bits program (or on a 32 bits program that uses the full 64 bits of
the GPRs, which is possible though has issues that will be fixed in a
later patch).
Finally, while at it, the patch removes a whole bunch of code duplication
between ptrace32.c and ptrace.c, in large part by having the former call
into the later for all requests that don't need any special "compat"
treatment.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This rewrites pretty much from scratch the handling of MMIO and PIO
space allocations on powerpc64. The main goals are:
- Get rid of imalloc and use more common code where possible
- Simplify the current mess so that PIO space is allocated and
mapped in a single place for PCI bridges
- Handle allocation constraints of PIO for all bridges including
hot plugged ones within the 2GB space reserved for IO ports,
so that devices on hotplugged busses will now work with drivers
that assume IO ports fit in an int.
- Cleanup and separate tracking of the ISA space in the reserved
low 64K of IO space. No ISA -> Nothing mapped there.
I booted a cell blade with IDE on PIO and MMIO and a dual G5 so
far, that's it :-)
With this patch, all allocations are done using the code in
mm/vmalloc.c, though we use the low level __get_vm_area with
explicit start/stop constraints in order to manage separate
areas for vmalloc/vmap, ioremap, and PCI IOs.
This greatly simplifies a lot of things, as you can see in the
diffstat of that patch :-)
A new pair of functions pcibios_map/unmap_io_space() now replace
all of the previous code that used to manipulate PCI IOs space.
The allocation is done at mapping time, which is now called from
scan_phb's, just before the devices are probed (instead of after,
which is by itself a bug fix). The only other caller is the PCI
hotplug code for hot adding PCI-PCI bridges (slots).
imalloc is gone, as is the "sub-allocation" thing, but I do beleive
that hotplug should still work in the sense that the space allocation
is always done by the PHB, but if you unmap a child bus of this PHB
(which seems to be possible), then the code should properly tear
down all the HPTE mappings for that area of the PHB allocated IO space.
I now always reserve the first 64K of IO space for the bridge with
the ISA bus on it. I have moved the code for tracking ISA in a separate
file which should also make it smarter if we ever are capable of
hot unplugging or re-plugging an ISA bridge.
This should have a side effect on platforms like powermac where VGA IOs
will no longer work. This is done on purpose though as they would have
worked semi-randomly before. The idea at this point is to isolate drivers
that might need to access those and fix them by providing a proper
function to obtain an offset to the legacy IOs of a given bus.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This makes unmap_vm_area static and a wrapper around a new
exported unmap_kernel_range that takes an explicit range instead
of a vm_area struct.
This makes it more versatile for code that wants to play with kernel
page tables outside of the standard vmalloc area.
(One example is some rework of the PowerPC PCI IO space mapping
code that depends on that patch and removes some code duplication
and horrible abuse of forged struct vm_struct).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Track and report the number of times we read an all-1s value (0xff,
0xffff or 0xffffffff) from each device which is valid data, not
indicating EEH isolation.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
----
arch/powerpc/platforms/pseries/eeh.c | 5 +++++
arch/powerpc/platforms/pseries/eeh_sysfs.c | 3 +++
include/asm-powerpc/pci-bridge.h | 1 +
3 files changed, 9 insertions(+)
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add sysfs blinkenlights for EEH statistics. Shuffle the
eeh_add_device_tree() call so that it appears in the correct
sequence.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
----
arch/powerpc/platforms/pseries/Makefile | 2
arch/powerpc/platforms/pseries/eeh.c | 4 +
arch/powerpc/platforms/pseries/eeh_cache.c | 2
arch/powerpc/platforms/pseries/eeh_sysfs.c | 84 +++++++++++++++++++++++++++++
arch/powerpc/platforms/pseries/pci_dlpar.c | 7 +-
include/asm-powerpc/ppc-pci.h | 3 +
6 files changed, 98 insertions(+), 4 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Use the correct CONFIG_ option to mark off the EEH bits.
Move the EEH bits to the bottom of the struct.
The config_space array is used by EEH only; it does not
need to be part of the struct for non-pseries machines.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
----
Revised patch, per commments from Michael Ellerman.
include/asm-powerpc/pci-bridge.h | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Reserve two TIF flags for perfmon2 and shift them into the low 16 bits
so we can use single assembly instructions to create constants based off
them.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Fix smp barriers in test_and_{change,clear,set}_bit
[MIPS] Fix IP27 build
[MIPS] Fix modpost warnings by making start_secondary __cpuinit
[MIPS] SMTC: Fix build error caused by nonsense code.
[MIPS] SMTC: The MT ASE requires to initialize c0_pagemask and c0_wired.
[MIPS] SMTC: Don't continue in set_vi_srs_handler on detected bad arguments.
[MIPS] SMTC: Fix warning.
[MIPS] Wire up utimensat, signalfd, timerfd, eventfd
[MIPS] Atlas: Fix build.
[MIPS] Always install the DSP exception handler.
[MIPS] SMTC: Don't set and restore irqregs ptr from self_ipi.
[MIPS] Fix KMODE for the R3000
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'linus-plus-plus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: limit post SRST nsect/lbal wait to ~100ms
libata: force PIO on IOMEGA ZIP 250 ATAPI
libata passthru: update cached device paramters
libata passthru: always enforce correct DEV bit
libata passthru: map UDMA protocols
libata passthru: support PIO multi commands
libata passthru: update protocol numbers
libata: Correct abuse of language
libata-core/sff: Fix multiple assumptions about DMA
ahci: Add MCP73/MCP77 support to AHCI driver
libata: fix hw_sata_spd_limit initialization
libata: print device model and firmware revision for ATAPI devices
libata: fix probe time irq printouts
libata: disable NCQ for HITACHI HTS541680J9SA00/SB21C7EP
remove unused variable in pata_isapnp
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