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Revision 1.44 / (download) - annotate - [select for diffs], Sun Nov 19 19:49:44 2023 UTC (4 months, 4 weeks ago) by thorpej
Branch: MAIN
CVS Tags: HEAD
Changes since 1.43: +36 -3
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Diff to previous 1.43 (colored) to selected 1.33 (colored)
On alpha and sparc64, use VirtIO 1.0 and VIRTIO_F_ACCESS_PLATFORM so that DMA to PCI-attached VirtIO devices works properly. This is needed for Qemu to select the appropriate address space for PCI DMA.
Revision 1.38.4.3 / (download) - annotate - [select for diffs], Sun Jul 9 13:39:27 2023 UTC (9 months, 1 week ago) by martin
Branch: netbsd-10
CVS Tags: netbsd-10-0-RELEASE,
netbsd-10-0-RC6,
netbsd-10-0-RC5,
netbsd-10-0-RC4,
netbsd-10-0-RC3,
netbsd-10-0-RC2,
netbsd-10-0-RC1
Changes since 1.38.4.2: +10 -9
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Diff to previous 1.38.4.2 (colored) to branchpoint 1.38 (colored) next main 1.39 (colored) to selected 1.33 (colored)
Pull up following revision(s) (requested by rin in ticket #229):
sys/dev/pci/virtio_pci.c: revision 1.43
sys/dev/virtio/virtio_mmio.c: revision 1.11
virtio(4): Fix byte order of DMA data for armeb in the same manner as
aarch64eb.
Fix comments to explain what is going on for {arm,aarch64}eb on QEMU.
This is not due to QEMU bugs; it correctly configures everything for
little-endian environment, and we forcibly change byte order only for
CPU cores during kernel bootstrap.
Revision 1.43 / (download) - annotate - [select for diffs], Fri Jul 7 07:19:36 2023 UTC (9 months, 1 week ago) by rin
Branch: MAIN
CVS Tags: thorpej-ifq-base,
thorpej-ifq,
thorpej-altq-separation-base,
thorpej-altq-separation
Changes since 1.42: +10 -9
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Diff to previous 1.42 (colored) to selected 1.33 (colored)
virtio(4): Fix byte order of DMA data for armeb in the same manner as
aarch64eb.
Fix comments to explain what is going on for {arm,aarch64}eb on QEMU.
This is not due to QEMU bugs; it correctly configures everything for
little-endian environment, and we forcibly change byte order only for
CPU cores during kernel bootstrap.
Revision 1.38.4.2 / (download) - annotate - [select for diffs], Sat Jun 3 14:40:25 2023 UTC (10 months, 2 weeks ago) by martin
Branch: netbsd-10
Changes since 1.38.4.1: +4 -4
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Diff to previous 1.38.4.1 (colored) to branchpoint 1.38 (colored) to selected 1.33 (colored)
Pull up following revision(s) (requested by yamaguchi in ticket #186):
sys/dev/pci/virtio_pci.c: revision 1.41
sys/dev/pci/virtio_pci.c: revision 1.42
sys/dev/virtio/virtio_mmio.c: revision 1.10
sys/dev/pci/virtiovar.h: revision 1.29
sys/dev/pci/virtio.c: revision 1.75
sys/dev/pci/virtio.c: revision 1.76
sys/dev/pci/virtio.c: revision 1.77
sys/dev/pci/virtio.c: revision 1.78
virtio@pci: Fix assertion on detach.
If the child never attached in the first place, it's OK for it to not
have detached.
XXX This should not be a set of flags; this should be a state
enumeration, because some flags make no sense, like FINISHED|FAILED.
XXX This should not be asserted separately in each bus; there should
be a single place in virtio.c to assert this, uniformly in all buses.
PR kern/57357
Use enumeration for state of a child driver instead of flags
and check its detaching by using sc->sc_child in virtio_softc
pointed out by riastradh, thanks.
fixes PR/57357
Fix not to allocate unnecessary descriptor
fixes PR/57358
virtio(4): change variable name, nfc
virtio(4): change members of struct vring_desc_extra before free a slot
This prevents the following race condition.
1. Thread-A: calls virtio_dequeue_commit() and
puts a slot into free descriptor chain in vq_free_slot()
2. Thread-B: calls virtio_enqueue_prep() and get the slot stored by Thread-A
3. Thread-B: calls virtio_enqueue_reserve() and
changes desc_base and desc_free_idx for the slot
4. Thread-A: changes the same members updated by Thread-B
reported by hannken, thanks.
Revision 1.38.4.1 / (download) - annotate - [select for diffs], Sat May 13 10:56:10 2023 UTC (11 months, 1 week ago) by martin
Branch: netbsd-10
Changes since 1.38: +20 -20
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Diff to previous 1.38 (colored) to selected 1.33 (colored)
Pull up following revision(s) (requested by yamaguchi in ticket #139): sys/dev/pci/vioscsi.c: revision 1.31 sys/dev/pci/vio9p.c: revision 1.10 sys/dev/pci/vioscsi.c: revision 1.32 sys/dev/pci/vio9p.c: revision 1.11 sys/dev/pci/vioscsi.c: revision 1.33 sys/dev/pci/ld_virtio.c: revision 1.31 sys/dev/virtio/viocon.c: revision 1.6 sys/dev/pci/vioscsi.c: revision 1.34 sys/dev/pci/ld_virtio.c: revision 1.32 sys/dev/virtio/viocon.c: revision 1.7 sys/dev/virtio/viocon.c: revision 1.8 sys/dev/pci/vioscsi.c: revision 1.36 sys/dev/pci/virtioreg.h: revision 1.12 sys/dev/pci/viornd.c: revision 1.19 sys/dev/pci/virtio.c: revision 1.66 sys/dev/pci/virtio.c: revision 1.67 sys/dev/pci/virtio.c: revision 1.68 sys/dev/pci/if_vioif.c: revision 1.103 sys/dev/pci/virtio.c: revision 1.69 sys/dev/pci/if_vioif.c: revision 1.104 sys/dev/pci/virtio_pci.c: revision 1.40 sys/dev/virtio/virtio_mmio.c: revision 1.8 sys/dev/virtio/virtio_mmio.c: revision 1.9 sys/dev/pci/viomb.c: revision 1.14 sys/dev/pci/viomb.c: revision 1.15 sys/dev/pci/viomb.c: revision 1.17 sys/dev/pci/viornd.c: revision 1.20 sys/dev/pci/viornd.c: revision 1.21 sys/dev/pci/virtiovar.h: revision 1.25 sys/dev/pci/virtiovar.h: revision 1.26 sys/dev/pci/virtiovar.h: revision 1.27 sys/dev/pci/virtiovar.h: revision 1.28 sys/dev/pci/virtio.c: revision 1.70 sys/dev/pci/virtio.c: revision 1.71 sys/dev/pci/virtio.c: revision 1.72 sys/dev/pci/virtio.c: revision 1.73 sys/dev/pci/virtio.c: revision 1.74 sys/dev/pci/virtio_pci.c: revision 1.39 Set virtqueues in virtio_child_attach_finish The number of virtqueue maybe change in a part of VirtIO devices (e.g. vioif(4)). And it is fixed after negotiation of features. So the configuration is moved into the function. viocon(4): fix not to allocate unused virtqueue viocon(4) allocates 4 virtqueues but it only uses 2 (0 and 1) queues. Added functions to set interrupt handler and index into virtqueue Added check of pointer for allocated memory before release of resource Setup virtqueues after registering them to virtio_softc restore fetch of qsize. Mark as MPSAFE. virtio(4): Avoid name collision with global intrhand on sparc64. Pacifies -Werror=shadow. No functional change intended. Use PRIuBUSSIZE to print bus_size_t variables. virtio(4): Fix sizing of virtqueue allocation. vq->vq_avail[0].ring is a zero-length array, and thus sizeof is zero; likewise vq->vq_used[0].ring. Use vq->vq_avail[0].ring[0] and vq->vq_used[0].ring[0] to fix this and restore the previous allocation sizing logic. XXX We shouldn't use zero-length arrays here -- they are asking for trouble like this, and C99 has a standard way to express what we're actually trying to get at it, flexible array members. PR kern/57304 virtio(4): Use flexible array members, not zero-length arrays. This enables the compiler to detect sizeof mistakes like PR kern/57304. Use descriptor chain for free slots instead of vq_entry list Descriptors can be chained by themself. And descriptors added to avail ring or used ring are already chained. But it was not used for unused descriptors and another linked list structure named vq_entry was used. The chain is also used for unused descriptors to make virtio(4) simpler. Added flags to store status of attaching a virtio device This prevents a panic on reboot after a virtio device had called virtio_child_attach_failed(). Fix wrong variable names This fixes build errors in virtio_mmio.c
Revision 1.42 / (download) - annotate - [select for diffs], Wed Apr 19 00:23:45 2023 UTC (12 months ago) by yamaguchi
Branch: MAIN
Changes since 1.41: +3 -6
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Diff to previous 1.41 (colored) to selected 1.33 (colored)
Use enumeration for state of a child driver instead of flags and check its detaching by using sc->sc_child in virtio_softc pointed out by riastradh, thanks. fixes PR/57357
Revision 1.41 / (download) - annotate - [select for diffs], Sun Apr 16 17:57:08 2023 UTC (12 months ago) by riastradh
Branch: MAIN
Changes since 1.40: +7 -4
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Diff to previous 1.40 (colored) to selected 1.33 (colored)
virtio@pci: Fix assertion on detach. If the child never attached in the first place, it's OK for it to not have detached. XXX This should not be a set of flags; this should be a state enumeration, because some flags make no sense, like FINISHED|FAILED. XXX This should not be asserted separately in each bus; there should be a single place in virtio.c to assert this, uniformly in all buses. PR kern/57357 XXX pullup-10
Revision 1.40 / (download) - annotate - [select for diffs], Fri Mar 31 07:34:26 2023 UTC (12 months, 2 weeks ago) by yamaguchi
Branch: MAIN
Changes since 1.39: +6 -8
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Diff to previous 1.39 (colored) to selected 1.33 (colored)
Added flags to store status of attaching a virtio device This prevents a panic on reboot after a virtio device had called virtio_child_attach_failed().
Revision 1.39 / (download) - annotate - [select for diffs], Thu Mar 23 03:27:48 2023 UTC (12 months, 4 weeks ago) by yamaguchi
Branch: MAIN
Changes since 1.38: +16 -14
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Diff to previous 1.38 (colored) to selected 1.33 (colored)
Set virtqueues in virtio_child_attach_finish The number of virtqueue maybe change in a part of VirtIO devices (e.g. vioif(4)). And it is fixed after negotiation of features. So the configuration is moved into the function.
Revision 1.38 / (download) - annotate - [select for diffs], Mon May 30 20:28:18 2022 UTC (22 months, 2 weeks ago) by riastradh
Branch: MAIN
CVS Tags: netbsd-10-base,
bouyer-sunxi-drm-base,
bouyer-sunxi-drm
Branch point for: netbsd-10
Changes since 1.37: +7 -6
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Diff to previous 1.37 (colored) to selected 1.33 (colored)
virtio at pci: Provide attribution in debug message. Also make it only happen in the error case so success doesn't clutter up the console output.
Revision 1.37 / (download) - annotate - [select for diffs], Wed Apr 13 22:41:17 2022 UTC (2 years ago) by uwe
Branch: MAIN
Changes since 1.36: +4 -4
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Diff to previous 1.36 (colored) to selected 1.33 (colored)
virtio_pci: Don't use a cast for upcasting. Same object code is generated.
Revision 1.36 / (download) - annotate - [select for diffs], Thu Mar 17 23:05:01 2022 UTC (2 years, 1 month ago) by uwe
Branch: MAIN
Changes since 1.35: +12 -11
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Diff to previous 1.35 (colored) to selected 1.33 (colored)
virtio_pci_bus_space_write_8: don't use bus_space_write_8.
The standard says:
4.1.3.1 Driver Requirements: PCI Device Layout
For device configuration access, the driver MUST use ... 32-bit
wide and aligned accesses for ... 64-bit wide fields. For 64-bit
fields, the driver MAY access each of the high and low 32-bit parts
of the field independently.
NB: "MAY" in this text refers to "independently" (i.e. the order of
accesses) not "32-bit" (which is restricted by the earlier "MUST").
Note also that virtio_{read,write}_device_config_8 in virtio.c already
uses two 32-bit accesses.
Revision 1.35 / (download) - annotate - [select for diffs], Thu Mar 17 22:53:13 2022 UTC (2 years, 1 month ago) by uwe
Branch: MAIN
Changes since 1.34: +3 -3
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Diff to previous 1.34 (colored) to selected 1.33 (colored)
virtio_pci.c: use PCI_BAR macro instead of open-coding it.
Revision 1.34 / (download) - annotate - [select for diffs], Mon Mar 14 12:22:02 2022 UTC (2 years, 1 month ago) by uwe
Branch: MAIN
Changes since 1.33: +9 -2
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Diff to previous 1.33 (colored)
virtio_pci_match: add TODO about PCI Revision ID. The standard says: Transitional devices MUST have a PCI Revision ID of 0. Non-transitional devices SHOULD have a PCI Revision ID of 1 or higher. Drivers MUST match any PCI Revision ID value. so we must not check the revision id for non-transitional devices. The code in attach relies on the revision being specifically(NB!) 1 so this calls for a revision, but I can't test this properly at the moment, so just leave a reminder. Comment change only.
Revision 1.33 / (download) - annotate - [selected], Thu Oct 28 01:36:43 2021 UTC (2 years, 5 months ago) by yamaguchi
Branch: MAIN
Changes since 1.32: +23 -20
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Diff to previous 1.32 (colored)
virtio: stop reinit for safety when a device resetting is failed
Revision 1.32 / (download) - annotate - [select for diffs], Thu Oct 21 05:37:43 2021 UTC (2 years, 5 months ago) by yamaguchi
Branch: MAIN
Changes since 1.31: +22 -12
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Diff to previous 1.31 (colored) to selected 1.33 (colored)
virtio: reconfigure MSI-X vector on re-initialization This may fix a problem that some interrupts, for example link-state change of vioif(4) are not notified.
Revision 1.31 / (download) - annotate - [select for diffs], Thu Oct 21 05:32:27 2021 UTC (2 years, 5 months ago) by yamaguchi
Branch: MAIN
Changes since 1.30: +36 -27
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Diff to previous 1.30 (colored) to selected 1.33 (colored)
divide setup routine of virtio interrupts into establishment and device configuration
Revision 1.30 / (download) - annotate - [select for diffs], Sat Aug 7 16:19:14 2021 UTC (2 years, 8 months ago) by thorpej
Branch: MAIN
CVS Tags: thorpej-i2c-spi-conf2-base,
thorpej-i2c-spi-conf2
Changes since 1.29: +3 -3
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Diff to previous 1.29 (colored) to selected 1.33 (colored)
Merge thorpej-cfargs2.
Revision 1.29.8.1 / (download) - annotate - [select for diffs], Wed Aug 4 21:27:00 2021 UTC (2 years, 8 months ago) by thorpej
Branch: thorpej-cfargs2
Changes since 1.29: +3 -3
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Diff to previous 1.29 (colored) next main 1.30 (colored) to selected 1.33 (colored)
Adapt to CFARGS().
Revision 1.29 / (download) - annotate - [select for diffs], Sat Apr 24 23:36:57 2021 UTC (2 years, 11 months ago) by thorpej
Branch: MAIN
CVS Tags: thorpej-i2c-spi-conf-base,
thorpej-i2c-spi-conf,
thorpej-futex2-base,
thorpej-futex2,
thorpej-cfargs2-base,
cjep_sun2x-base1,
cjep_sun2x-base,
cjep_sun2x,
cjep_staticlib_x-base1,
cjep_staticlib_x-base,
cjep_staticlib_x
Branch point for: thorpej-cfargs2
Changes since 1.28: +5 -5
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Diff to previous 1.28 (colored) to selected 1.33 (colored)
Merge thorpej-cfargs branch: Simplify and make extensible the config_search() / config_found() / config_attach() interfaces: rather than having different variants for which arguments you want pass along, just have a single call that takes a variadic list of tag-value arguments. Adjust all call sites: - Simplify wherever possible; don't pass along arguments that aren't actually needed. - Don't be explicit about what interface attribute is attaching if the device only has one. (More simplification.) - Add a config_probe() function to be used in indirect configuiration situations, making is visibly easier to see when indirect config is in play, and allowing for future change in semantics. (As of now, this is just a wrapper around config_match(), but that is an implementation detail.) Remove unnecessary or redundant interface attributes where they're not needed. There are currently 5 "cfargs" defined: - CFARG_SUBMATCH (submatch function for direct config) - CFARG_SEARCH (search function for indirect config) - CFARG_IATTR (interface attribte) - CFARG_LOCATORS (locators array) - CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles) ...and a sentinel value CFARG_EOL. Add some extra sanity checking to ensure that interface attributes aren't ambiguous. Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark ports to associate those device handles with device_t instance. This will trickle trough to more places over time (need back-end for pre-OFW Sun OBP; any others?).
Revision 1.14.2.1 / (download) - annotate - [select for diffs], Sat Apr 3 22:28:49 2021 UTC (3 years ago) by thorpej
Branch: thorpej-futex
Changes since 1.14: +612 -226
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Diff to previous 1.14 (colored) next main 1.15 (colored) to selected 1.33 (colored)
Sync with HEAD.
Revision 1.28.2.1 / (download) - annotate - [select for diffs], Sat Mar 27 01:41:43 2021 UTC (3 years ago) by thorpej
Branch: thorpej-cfargs
Changes since 1.28: +5 -5
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Diff to previous 1.28 (colored) next main 1.29 (colored) to selected 1.33 (colored)
- config_found_ia() -> config_found(). - virtio only carries a single interface attribute, so no need to specify it explicitly.
Revision 1.28 / (download) - annotate - [select for diffs], Fri Feb 5 19:18:23 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
CVS Tags: thorpej-futex-base,
thorpej-cfargs-base
Branch point for: thorpej-cfargs
Changes since 1.27: +4 -11
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Diff to previous 1.27 (colored) to selected 1.33 (colored)
Second round of cleaning up endian code. No more tailored code to maintain.
Revision 1.27 / (download) - annotate - [select for diffs], Thu Jan 28 15:43:12 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.26: +35 -247
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Diff to previous 1.26 (colored) to selected 1.33 (colored)
Rewrite and streamline virtio device config read/write and explicitly cater for the Aarch64-eb bus problem with Qemu. This removes lots of bus_space `magic' and cleans up the code.
Revision 1.26 / (download) - annotate - [select for diffs], Tue Jan 26 16:40:16 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.25: +7 -7
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Diff to previous 1.25 (colored) to selected 1.33 (colored)
Fix indexing bug in clean up code on error in virtio PCI v1.0 attach code. Thanks go to Rin Okuyama for spotting it.
Revision 1.25 / (download) - annotate - [select for diffs], Sun Jan 24 15:59:35 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.24: +2 -8
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Diff to previous 1.24 (colored) to selected 1.33 (colored)
Remove incorrect comment. It would violate the specs. VirtIO PCI v1.0 attachments can only happen on revision 1 devices as they have a radical different register layout. Transitional devices have to use revision 0 and have to use the VirtIO PCI v0.9 attachment method but can allow for features to be negotiated normally found in later versions.
Revision 1.24 / (download) - annotate - [select for diffs], Sun Jan 24 15:34:07 2021 UTC (3 years, 2 months ago) by thorpej
Branch: MAIN
Changes since 1.23: +16 -14
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Diff to previous 1.23 (colored) to selected 1.33 (colored)
Redefining bus_space functions in drivers is a bad idea, and we just should't be in the habit of doing so. Besides, the previous "solutions" still did not compile correctly, and this does, so let's be done with this nonsense, shall we?
Revision 1.23 / (download) - annotate - [select for diffs], Sun Jan 24 15:33:02 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.22: +9 -3
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Diff to previous 1.22 (colored) to selected 1.33 (colored)
On error unmap the pci_mapreg_map()d regions using bus_space_unmap() as suggested by jak@
Revision 1.22 / (download) - annotate - [select for diffs], Sun Jan 24 14:33:49 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.21: +5 -4
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Diff to previous 1.21 (colored) to selected 1.33 (colored)
Move definition of NMAPREG to the start
Revision 1.21 / (download) - annotate - [select for diffs], Sun Jan 24 14:12:36 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.20: +5 -5
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Diff to previous 1.20 (colored) to selected 1.33 (colored)
Prevent potential buffer over runs in number of BARS
Revision 1.20 / (download) - annotate - [select for diffs], Sun Jan 24 01:44:11 2021 UTC (3 years, 2 months ago) by christos
Branch: MAIN
Changes since 1.19: +8 -2
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Diff to previous 1.19 (colored) to selected 1.33 (colored)
Add a comment explaining why bus_space_write_8 is limited to virtio.
Revision 1.19 / (download) - annotate - [select for diffs], Sat Jan 23 20:00:19 2021 UTC (3 years, 2 months ago) by christos
Branch: MAIN
Changes since 1.18: +23 -12
lines
Diff to previous 1.18 (colored) to selected 1.33 (colored)
Provide a generic bus_space_write_8 function that is bi-endian.
Revision 1.18 / (download) - annotate - [select for diffs], Thu Jan 21 20:48:33 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.17: +17 -8
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Diff to previous 1.17 (colored) to selected 1.33 (colored)
Remove dependency on bus_space_write_8() for i386 and instead implement it as two bus_space_write_4()'s as allowed in the spec.
Revision 1.17 / (download) - annotate - [select for diffs], Thu Jan 21 08:17:13 2021 UTC (3 years, 2 months ago) by martin
Branch: MAIN
Changes since 1.16: +5 -4
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Diff to previous 1.16 (colored) to selected 1.33 (colored)
Use PRIxBUSSIZE to print a bus_size_t value.
Revision 1.16 / (download) - annotate - [select for diffs], Wed Jan 20 21:59:48 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.15: +2 -8
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Diff to previous 1.15 (colored) to selected 1.33 (colored)
Remove the virtio child driver finalisation check KASSERT that, while it should never trigger, a possible bug in a child driver shouldn't have to panic the kernel. Instead report the internal error.
Revision 1.15 / (download) - annotate - [select for diffs], Wed Jan 20 19:46:48 2021 UTC (3 years, 2 months ago) by reinoud
Branch: MAIN
Changes since 1.14: +739 -158
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Diff to previous 1.14 (colored) to selected 1.33 (colored)
Add VirtIO PCI v1.0 attachments and fix the drivers affected. The vioif, ld, scsi, viornd and viomb devices were adjusted when needed and tested both in legacy 0.9 and v1.0 attachments trough PCI on amd64, sparc64, aarch64 and aarch64-eb. ACPI/FDT attachments also tested on aarch64/aarch64-eb. Known issues * viomb on aarch64 works only with ACPI/FDT attachment but not with PCI attachment. PCI and ACPI/FDT attachment works on aarch64-eb. * virtio on sparc64 attaches but is it not functioning though not a regression.
Revision 1.14 / (download) - annotate - [select for diffs], Wed Sep 23 13:45:14 2020 UTC (3 years, 6 months ago) by jakllsch
Branch: MAIN
Branch point for: thorpej-futex
Changes since 1.13: +3 -3
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Diff to previous 1.13 (colored) to selected 1.33 (colored)
whitespace fix
Revision 1.7.4.2 / (download) - annotate - [select for diffs], Sun Sep 20 10:16:50 2020 UTC (3 years, 6 months ago) by martin
Branch: netbsd-9
CVS Tags: netbsd-9-3-RELEASE,
netbsd-9-2-RELEASE,
netbsd-9-1-RELEASE
Changes since 1.7.4.1: +12 -2
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Diff to previous 1.7.4.1 (colored) to branchpoint 1.7 (colored) next main 1.8 (colored) to selected 1.33 (colored)
Pull up following revision(s) (requested by jakllsch in ticket #1090): sys/dev/pci/virtio_pci.c: revision 1.13 Ensure MSI-X is disabled if allocation of MSI-X interrupts fail. The virtio device config space moves out from under us when MSI-X remains enabled, and/or INTx interrupts are masked if we don't ensure this. This un-breaks virtio devices that run out of MSI-X interrupts. Particularly a problem on uniproc x86, where there are only 8 or 9 vectors available, allowing for only about 4 virtio devices to use MSI-X.
Revision 1.7.4.1 / (download) - annotate - [select for diffs], Sun Sep 20 10:03:11 2020 UTC (3 years, 6 months ago) by martin
Branch: netbsd-9
Changes since 1.7: +4 -4
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Diff to previous 1.7 (colored) to selected 1.33 (colored)
Pull up following revision(s) (requested by jakllsch in ticket #1089): sys/dev/pci/virtio_pci.c: revision 1.12 Ensure interrupt handles buffer is zeroed on allocation Prevents crashes trying to deallocate interrupts at shutdown. Found by kim and mlelstv, confirmed by me
Revision 1.13 / (download) - annotate - [select for diffs], Thu Sep 17 17:33:50 2020 UTC (3 years, 7 months ago) by jakllsch
Branch: MAIN
Changes since 1.12: +12 -2
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Diff to previous 1.12 (colored) to selected 1.33 (colored)
Ensure MSI-X is disabled if allocation of MSI-X interrupts fail. The virtio device config space moves out from under us when MSI-X remains enabled, and/or INTx interrupts are masked if we don't ensure this. This un-breaks virtio devices that run out of MSI-X interrupts. Particularly a problem on uniproc x86, where there are only 8 or 9 vectors available, allowing for only about 4 virtio devices to use MSI-X.
Revision 1.12 / (download) - annotate - [select for diffs], Thu Sep 17 17:04:31 2020 UTC (3 years, 7 months ago) by jakllsch
Branch: MAIN
Changes since 1.11: +4 -4
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Diff to previous 1.11 (colored) to selected 1.33 (colored)
Ensure interrupt handles buffer is zeroed on allocation Prevents crashes trying to deallocate interrupts at shutdown. Found by kim and mlelstv, confirmed by me
Revision 1.11 / (download) - annotate - [select for diffs], Wed May 27 11:24:31 2020 UTC (3 years, 10 months ago) by yamaguchi
Branch: MAIN
Changes since 1.10: +9 -5
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Diff to previous 1.10 (colored) to selected 1.33 (colored)
Fix to allocate resources actuall used around interrupts
Revision 1.10 / (download) - annotate - [select for diffs], Mon May 25 07:52:16 2020 UTC (3 years, 10 months ago) by yamaguchi
Branch: MAIN
Changes since 1.9: +3 -3
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Diff to previous 1.9 (colored) to selected 1.33 (colored)
Set handlers implemented in child device of virtio(4) to virtqueue instead of the commonized function
Revision 1.9 / (download) - annotate - [select for diffs], Mon May 25 07:37:47 2020 UTC (3 years, 10 months ago) by yamaguchi
Branch: MAIN
Changes since 1.8: +5 -14
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Diff to previous 1.8 (colored) to selected 1.33 (colored)
Register an interrupt handler for virtqueue to that for pci to reduce function call
Revision 1.8 / (download) - annotate - [select for diffs], Mon May 25 07:29:52 2020 UTC (3 years, 10 months ago) by yamaguchi
Branch: MAIN
Changes since 1.7: +4 -11
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Diff to previous 1.7 (colored) to selected 1.33 (colored)
Remove VIRTIO_F_PCI_INTR_SOFTINT support for multiqueue The functionality is no longer used by obsolating VIOIF_SOFTINT_INTR.
Revision 1.5.2.1 / (download) - annotate - [select for diffs], Mon Jun 10 22:07:27 2019 UTC (4 years, 10 months ago) by christos
Branch: phil-wifi
Changes since 1.5: +116 -22
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Diff to previous 1.5 (colored) next main 1.6 (colored) to selected 1.33 (colored)
Sync with HEAD
Revision 1.7 / (download) - annotate - [select for diffs], Sun Jan 27 02:08:42 2019 UTC (5 years, 2 months ago) by pgoyette
Branch: MAIN
CVS Tags: phil-wifi-20200421,
phil-wifi-20200411,
phil-wifi-20200406,
phil-wifi-20191119,
phil-wifi-20190609,
netbsd-9-base,
netbsd-9-0-RELEASE,
netbsd-9-0-RC2,
netbsd-9-0-RC1,
isaki-audio2-base,
isaki-audio2,
is-mlppp-base,
is-mlppp,
bouyer-xenpvh-base2,
bouyer-xenpvh-base1,
bouyer-xenpvh-base,
bouyer-xenpvh,
ad-namecache-base3,
ad-namecache-base2,
ad-namecache-base1,
ad-namecache-base,
ad-namecache
Branch point for: netbsd-9
Changes since 1.6: +2 -3
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Diff to previous 1.6 (colored) to selected 1.33 (colored)
Merge the [pgoyette-compat] branch
Revision 1.2.2.2 / (download) - annotate - [select for diffs], Fri Jan 18 08:50:42 2019 UTC (5 years, 3 months ago) by pgoyette
Branch: pgoyette-compat
CVS Tags: pgoyette-compat-merge-20190127
Changes since 1.2.2.1: +116 -21
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Diff to previous 1.2.2.1 (colored) to branchpoint 1.2 (colored) next main 1.3 (colored) to selected 1.33 (colored)
Synch with HEAD
Revision 1.6 / (download) - annotate - [select for diffs], Mon Jan 14 14:55:37 2019 UTC (5 years, 3 months ago) by yamaguchi
Branch: MAIN
CVS Tags: pgoyette-compat-20190127,
pgoyette-compat-20190118
Changes since 1.5: +116 -21
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Diff to previous 1.5 (colored) to selected 1.33 (colored)
Add multiqueue support, virtio(4)
Revision 1.2.2.1 / (download) - annotate - [select for diffs], Mon Jun 25 07:26:01 2018 UTC (5 years, 9 months ago) by pgoyette
Branch: pgoyette-compat
Changes since 1.2: +585 -30
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Diff to previous 1.2 (colored) to selected 1.33 (colored)
Sync with HEAD
Revision 1.5 / (download) - annotate - [select for diffs], Wed Jun 6 16:11:36 2018 UTC (5 years, 10 months ago) by jakllsch
Branch: MAIN
CVS Tags: phil-wifi-base,
pgoyette-compat-1226,
pgoyette-compat-1126,
pgoyette-compat-1020,
pgoyette-compat-0930,
pgoyette-compat-0906,
pgoyette-compat-0728,
pgoyette-compat-0625,
jdolecek-ncqfixes-base,
jdolecek-ncqfixes
Branch point for: phil-wifi
Changes since 1.4: +34 -2
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Diff to previous 1.4 (colored) to selected 1.33 (colored)
fix up virtio module for current structure; add virtio_pci module
Revision 1.4 / (download) - annotate - [select for diffs], Sat Jun 2 22:43:15 2018 UTC (5 years, 10 months ago) by jakllsch
Branch: MAIN
Changes since 1.3: +553 -30
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Diff to previous 1.3 (colored) to selected 1.33 (colored)
Begin to detangle virtio from its PCI attachment
Revision 1.3 / (download) - annotate - [select for diffs], Sat Jun 2 13:30:32 2018 UTC (5 years, 10 months ago) by jakllsch
Branch: MAIN
Changes since 1.2: +2 -2
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Diff to previous 1.2 (colored) to selected 1.33 (colored)
fix CVS keyword in __KERNEL_RCSID
Revision 1.2 / (download) - annotate - [select for diffs], Thu Feb 15 19:05:10 2018 UTC (6 years, 2 months ago) by uwe
Branch: MAIN
CVS Tags: pgoyette-compat-base,
pgoyette-compat-0521,
pgoyette-compat-0502,
pgoyette-compat-0422,
pgoyette-compat-0415,
pgoyette-compat-0407,
pgoyette-compat-0330,
pgoyette-compat-0322,
pgoyette-compat-0315
Branch point for: pgoyette-compat
Changes since 1.1: +6 -1
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Diff to previous 1.1 (colored) to selected 1.33 (colored)
Explicitly enable PCI_COMMAND_MASTER_ENABLE and PCI_COMMAND_IO_ENABLE. Recent versions of VirtualBox do not enable bus-mastering by default - this will be fixed, but it doesn't hurt to do it ourselves too.
Revision 1.1.4.2 / (download) - annotate - [select for diffs], Sun Dec 3 11:37:29 2017 UTC (6 years, 4 months ago) by jdolecek
Branch: tls-maxphys
Changes since 1.1.4.1: +201 -0
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Diff to previous 1.1.4.1 (colored) to branchpoint 1.1 (colored) next main 1.2 (colored) to selected 1.33 (colored)
update from HEAD
Revision 1.1.2.2 / (download) - annotate - [select for diffs], Mon Aug 28 17:52:25 2017 UTC (6 years, 7 months ago) by skrll
Branch: nick-nhusb
Changes since 1.1.2.1: +201 -0
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Diff to previous 1.1.2.1 (colored) to branchpoint 1.1 (colored) next main 1.2 (colored) to selected 1.33 (colored)
Sync with HEAD
Revision 1.1.4.1, Wed Aug 2 08:39:14 2017 UTC (6 years, 8 months ago) by jdolecek
Branch: tls-maxphys
Changes since 1.1: +0 -201
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FILE REMOVED
file virtio_pci.c was added on branch tls-maxphys on 2017-12-03 11:37:29 +0000
Revision 1.1.2.1, Wed Aug 2 08:39:14 2017 UTC (6 years, 8 months ago) by skrll
Branch: nick-nhusb
Changes since 1.1: +0 -201
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FILE REMOVED
file virtio_pci.c was added on branch nick-nhusb on 2017-08-28 17:52:25 +0000
Revision 1.1 / (download) - annotate - [select for diffs], Wed Aug 2 08:39:14 2017 UTC (6 years, 8 months ago) by cherry
Branch: MAIN
CVS Tags: tls-maxphys-base-20171202,
nick-nhusb-base-20170825
Branch point for: tls-maxphys,
nick-nhusb
Diff to selected 1.33 (colored)
Reorg the virtio(4) config(9) code to be explicitly pci specific. We'll later use this for a non-pci virtio(4) usecase. ok martin