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277 commits

Author SHA1 Message Date
Hans Petter Selasky
4b70609941 Optimise use of Giant in the LinuxKPI. 
- 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, 
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 
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 
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. 
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 
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 
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. 
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. 
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. 
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 
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() 
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. 
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. 
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. 
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. 
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. 
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. 
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. 
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 
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 
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. 
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. 
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. 
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 
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. 
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
ead15282ae Implement support for radix_tree_for_each_slot() and radix_tree_exception() 
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. 
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 
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. 
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. 
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. 
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. 
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 
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 
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. 
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. 
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. 
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 
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. 
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. 
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. 
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. 
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 
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
Hans Petter Selasky
1249c589b6 Add checks for valid IRQ tag before setting up or tearing down an interrupt 
handler in the LinuxKPI. This is needed when the interrupt handler is disabled
before freeing the interrupt.

MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
 2018-02-17 20:09:43 +00:00
Hans Petter Selasky
f4824a028d Implement mutex_trylock_recursive() in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
 2018-02-16 16:01:39 +00:00
Hans Petter Selasky
10ee3d3016 Implement memdup_user_nul() in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
 2018-02-16 15:52:28 +00:00