Mark Johnston
e4ba1a50af
Fix the definitions of get_cpu() and put_cpu().
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They are supposed to disable preemption.
Reported by: rstone
MFC after: 5 days
2018-04-05 17:26:03 +00:00
Hans Petter Selasky
4b70609941
Optimise use of Giant in the LinuxKPI.
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- Make sure Giant is locked when calling PCI device methods.
Newbus currently requires this.
- Avoid unlocking Giant right before aquiring the sleepqueue lock.
This can save a task switch.
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-03-30 20:11:12 +00:00
Hans Petter Selasky
fa0d4f31a7
Swap two instances of regular macros with function macros in the LinuxKPI,
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to narrow down the substitution scope.
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-03-28 17:54:34 +00:00
Ed Maste
8363051739
linuxkpi whitespace cleanup
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Reviewed by: hselasky, markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D14807
2018-03-23 15:50:01 +00:00
Hans Petter Selasky
555deb3c96
The pci_disable_device() function is also expected to clear the PCI
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busmaster. This fixes LinuxKPI compliancy with Linux.
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-03-22 13:30:35 +00:00
Hans Petter Selasky
e1992aa142
Clear old MSIX IRQ numbers in the LinuxKPI.
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When disabling the MSIX IRQ vectors for a PCI device through the
LinuxKPI, make sure any old MSIX IRQ numbers are no longer visible to
the linux_pci_find_irq_dev() function else IRQs can be requested from
the wrong PCI device.
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-03-22 12:26:27 +00:00
Hans Petter Selasky
cbfc3c73ce
Fix compliancy of the kstrtoXXX() functions in the LinuxKPI, by skipping
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one newline character at the end, if any.
Found by: greg@unrelenting.technology
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-03-14 19:51:28 +00:00
Andrey V. Elsukov
c2a5dc6cd7
Add mapping for several ethernet types used by Linux to FreeBSD
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ethernet types.
Reviewed by: hselasky
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D14594
2018-03-06 12:58:00 +00:00
Hans Petter Selasky
e9e4ec118f
Properly wrap the BUILD_BUG() function macro in the LinuxKPI.
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MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-03-04 19:42:50 +00:00
Hans Petter Selasky
20789a72e0
Stub kernel_param_lock() and kernel_param_unlock() in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 19:10:30 +00:00
Hans Petter Selasky
c3bfe0de4c
Implement wait_event_lock_irq() macro function in the LinuxKPI.
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MFC after: 1 week
Requested by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-03-04 19:07:10 +00:00
Hans Petter Selasky
ce930365d1
Keep the old SLAB_DESTROY_BY_RCU macro definition around in the LinuxKPI
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to avoid compilation breakage in external kernel modules.
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-03-04 18:53:41 +00:00
Hans Petter Selasky
8f368d485d
Implement DEFINE_WAIT_FUNC() function macro and default_wake_function()
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in the LinuxKPI.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:51:43 +00:00
Hans Petter Selasky
ab7da72090
Implement pr_err_ratelimited() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:27:50 +00:00
Hans Petter Selasky
8961c48323
Implement __MODULE_STRING() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:21:21 +00:00
Hans Petter Selasky
20c8d8270c
Implement BUILD_BUG() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:19:44 +00:00
Hans Petter Selasky
6c51dfb060
Implement writel_relaxed() in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:17:54 +00:00
Hans Petter Selasky
dc354b1551
Define noinline and __maybe_unused macros in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:13:31 +00:00
Hans Petter Selasky
9bce524efa
Implement for_each_clear_bit() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:10:18 +00:00
Hans Petter Selasky
5d503e30ad
Implement GENMASK_ULL() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-04 18:08:21 +00:00
Hans Petter Selasky
782a90d16a
Rename the SLAB_DESTROY_BY_RCU flag into SLAB_TYPESAFE_BY_RCU in the LinuxKPI
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to be compatible with Linux.
MFC after: 1 week
Requested by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-03-04 18:04:37 +00:00
Hans Petter Selasky
ccae7bb851
Use mstosbt() instead of SBT_1MS in the LinuxKPI to get the last few bits
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of precision.
MFC after: 1 week
Suggested by: ian@
Sponsored by: Mellanox Technologies
2018-03-03 19:26:40 +00:00
Hans Petter Selasky
7cf1c51588
Implement msleep_interruptible() in the LinuxKPI. While at it use pause_sbt()
...
instead of pause() in the msleep() function to avoid rounding errors when
converting delay values forth and back. Add a guard for a delay value
of zero milliseconds which is undefined.
MFC after: 1 week
Requested by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-03-03 18:54:16 +00:00
Hans Petter Selasky
86ba49a722
Implement more lockdep stubs in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-02 08:59:53 +00:00
Hans Petter Selasky
8554bc585b
Implement ktime_get_raw() function in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-02 08:58:32 +00:00
Hans Petter Selasky
d901abf167
Implement wait_on_bit() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-02 08:56:15 +00:00
Hans Petter Selasky
9555cfd2b2
Rename callout member in struct timer_list to match the one in struct
...
delayed_work in the LinuxKPI. This allows the timer_pending() function
macro to be used with delayed work structures.
No functional nor structural change.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-03-02 08:52:27 +00:00
Hans Petter Selasky
949440623b
Return correct error code to user-space when a system call receives a
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signal in the LinuxKPI.
The read(), write() and mmap() system calls can return either EINTR or
ERESTART upon receiving a signal. Add code to figure out the correct
return value by temporarily storing the return code from the relevant
FreeBSD kernel APIs in the Linux task structure.
MFC after: 3 days
Sponsored by: Mellanox Technologies
2018-02-22 15:29:19 +00:00
Hans Petter Selasky
e44fa94c09
Implement list_safe_reset_next() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-19 16:31:19 +00:00
Hans Petter Selasky
8f294983e9
Optimise xchg() to use atomic_swap_32() and atomic_swap_64().
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Suggested by: kib@
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-02-18 18:46:56 +00:00
Hans Petter Selasky
644680491e
Fix implementation of xchg() function macro in the LinuxKPI.
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The exchange operation must be atomic.
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-02-18 17:37:23 +00:00
Hans Petter Selasky
ead15282ae
Implement support for radix_tree_for_each_slot() and radix_tree_exception()
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in the LinuxKPI and use unsigned long type for the radix tree index.
MFC after: 1 week
Sponsored by: Mellanox Technologies
2018-02-18 12:54:21 +00:00
Hans Petter Selasky
78d7441913
Implement the KMEM_CACHE() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 09:52:30 +00:00
Hans Petter Selasky
0628fc903e
Make the vm_fault structure in the LinuxKPI compatible with
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newer versions of the Linux kernel. No functional change.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 09:31:01 +00:00
Hans Petter Selasky
0597ffb0b5
Implement the rcu_dereference_raw() function macro.
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Make sure all RCU dereferencing use the READ_ONCE() function macro.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 09:10:14 +00:00
Hans Petter Selasky
7c86047355
Implement __GFP_BITS_SHIFT and __GFP_BITS_MASK macros in the LinuxKPI.
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Add compile time asserts to catch conflicts with native defines.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 08:58:20 +00:00
Hans Petter Selasky
15052dc861
Implement __list_del_entry() helper functions in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 08:47:15 +00:00
Hans Petter Selasky
d51be3591a
Implement file_inode() and call_mmap() helper functions in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 08:40:07 +00:00
Hans Petter Selasky
b15a13af6b
Refactor dentry structure into its own header file in the LinuxKPI similary
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to Linux. No functional change. Implement d_inode() helper function.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 08:29:25 +00:00
Hans Petter Selasky
0424e413e7
Update the ktime type in the LinuxKPI to be a signed 64-bit integer similarly
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to Linux, to avoid compilation issues. Implement ktime_get_real_seconds().
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
2018-02-18 08:05:40 +00:00
Hans Petter Selasky
9a323f25ab
Implement spin_trylock_irq() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 22:45:15 +00:00
Hans Petter Selasky
1169b94c7b
Stub more lockdep function macros in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 22:41:20 +00:00
Hans Petter Selasky
94b9710bc7
Implement get_task_pid() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 22:33:26 +00:00
Hans Petter Selasky
314d034088
Allow the put_user() function macro to put constant values by using the
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existing __put_user() macro.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 21:47:15 +00:00
Hans Petter Selasky
2460cbb4a6
Implement BUILD_BUG_ON_INVALID() function macro in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 21:40:19 +00:00
Hans Petter Selasky
03f8ddedf0
Add support for printk_ratelimit() function macro and improve the existing
...
printk_ratelimited() function macro to return a boolean stating if there
was a printout, true, or not, false.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 21:25:19 +00:00
Hans Petter Selasky
e35dc5149d
Add support for kref_read() function in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 20:56:35 +00:00
Hans Petter Selasky
13a27c3b43
Add support for mmgrab() function in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 20:52:54 +00:00
Hans Petter Selasky
2060ca654e
Add support for __percpu and __weak macros in the LinuxKPI.
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MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 20:50:18 +00:00
Hans Petter Selasky
7353335d1c
Move the IRQ_RETVAL() and irqreturn definitions to irqreturn.h in the
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LinuxKPI to be compatible with Linux. No functional change.
MFC after: 1 week
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
2018-02-17 20:37:21 +00:00