| Commit message (Collapse) | Author | Age | Files | Lines |
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This adds a second binary target to compile in
the rump USB stack instead of SATA/IDE using conditional
ifdefs to mostly share the code between the two translators.
This can be tested by running qemu with a USB3 controller as follows:
-drive if=none,id=usbstick,format=raw,file=/path/to/disk.img \
-device qemu-xhci \
-device usb-storage,drive=usbstick \
NB: /path/to/disk.img can be a block device on the host.
Then call grub module rumpusbdisk.static instead of rumpdisk.static
and pass ' root=part:X:device:sd0 noide' as gnumach parameters,
where X is the partition number of / within the disk/image.
Caveats: netdde seems to exhibit a bug when running 'ifdown /dev/eth0'
simultaneously to running the rumpusbdisk translator, due to
the two devices sharing the same IRQ.
Message-Id: <20230703101815.925760-1-damien@zamaudio.com>
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This fixes a known race condition in bootstrapping by
separating the fsys_startup call from the server demuxer loop
into two separate functions that the caller can decide
when to call.
Message-Id: <20220908093229.499494-1-damien@zamaudio.com>
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This makes rumpdisk multithreaded as much as the root filesystem pager
will request.
Message-Id: <20220227091013.33112-4-damien@zamaudio.com>
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No actual behavior change.
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wire_task_self() was duplicating mach-defpager's wire_all_memory(), we
can just make mach-defpager now use the former (and not mlockall
either). Also pci-arbiter and rumpdisk can use it.
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This locks all memory in bootstrap processes so that
disk driver dependencies don't get swapped out.
Message-Id: <20211226113857.150525-5-damien@zamaudio.com>
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We may end up with an arbitrary series of bootstrap translators, which
can know about each other through devices, and thus do not need any
particular order except dependencies. The actual bootstrap order can
thus be arbitrary (provided it respects dependencies), so better not
hardcode it.
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netdde actually needs to control which thread runs the trivfs server,
for managing per-thread state etc.
Only pci-arbiter needs to run machdev_trivfs_server non-blockingly, it
can create a thread by itself.
* libmachdev/trivfs_server.c (machdev_trivfs_loop): Move back muxer loop
to...
(machdev_trivfs_server): ... here.
* pci-arbiter/main.c (main): Run machdev_trivfs_server in its own
thread.
* rumpdisk/main.c (main): Do not call pthread_exit().
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Message-Id: <20210404033750.143411-1-damien@zamaudio.com>
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* libmachdev/trivfs_server.c (bootstrapped): Rename to bootstrapping.
(trivfs_S_fsys_startup): Call fsys_startup on the bootstrap port.
(essential_task): New function.
(trivfs_S_fsys_init): Call fsys_init on the bootstrap port. Configure
proc. Mark us as essential when bootstrapping even without a devnode.
(arrange_shutdown_notification): Do not configure proc.
(machdev_trivfs_init): Always get the bootstrap port from the kernel,
leave it MACH_PORT_NULL if unavailable. Call fsys_getpriv on it if it
is.
* pci-arbiter/Makefile (SRCS): Remove startup.c.
* pci-arbiter/startup.c: Delete file.
* pci-arbiter/startup.h: Delete file.
* pci-arbiter/main.c: Do not include "startup.h"
(pci_device_shutdown): Do not try to lokup the dosync_handle.
(pcifs_startup): Always create the pci_control_port right on the
control port.
(main): Call machdev_device_init after machdev_trivfs_init. Do not call
arrange_shutdown_notification.
* rumpdisk/main.c (netfs_server_name): Don't pretend to be the arbiter anymore
(main): Call machdev_device_init after machdev_trivfs_init.
Message-Id: <20210316054715.788725-1-damien@zamaudio.com>
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* rumpdisk/main.c (main): Call pthread_exit(NULL) to let server threads
continue.
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bootstrap translators may not wish to appear in the FS, and the name of
the translator does not have to match the path where it is getting
installed.
* libmachdev/machdev.h (machdev_trivfs_init): Add path parameter.
* libmachdev/trivfs_server.c (machdev_trivfs_init): Add path parameter,
set devnode only if it is not NULL.
(trivfs_S_fsys_init): Only call install_as_translator when devnode is not NULL.
* /rumpdisk/main.c (main): Add path parameter.
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*/libmachdev/trivfs_server.c (machdev_ctl): Rename to control_port.
(trivfs_S_fsys_init): Fix accordingly.
(control): New variable.
(bootstrapped, underlying, devnode): New variables.
(install_as_translator): New function.
(trivfs_S_fsys_init): When bootstrapping, call install_as_translator.
(machdev_trivfs_init): Create one port of the control class.
(trivfs_S_fsys_getpriv): Use ports_get_send_right on the control port
instead of creating another one.
(resume_bootstrap_server): Use ports_get_send_right on the control port
instead of creating another one.
(machdev_trivfs_init): When bootstrapping, Use our control port as fsys.
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Message-Id: <20200725011847.186969-4-damien@zamaudio.com>
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