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df0b07834f
freebsd-dev/sys
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Konstantin Belousov df0b07834f Fix calculation of requester for PCI device behind PCIe/PCI bridge. 
In my case on the test machine, I have hierarchy of
pcib2 (PCIe port on host bridge with PCIe capability) -> pci2 ->
    pcib3 (ITE PCIe/PCI bridge) -> pci3 -> em1

The device to check PCIe capability is pcib2 and not pcib3, as it is
currently done in the code.  Also, in case of the bridge, we shall
step to pcib2 for the loop iteration, since pcib3 does not carry PCIe
capability info and would force wrong recalculation of rid.

Also change the returned requester to the PCIe bus which provides port
for the bridge.  This only results in changing
hw.busdma.pciX.X.X.X.bounce tunable to force identity-mapped context
for the device.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2015-01-10 23:12:49 +00:00
..
amd64 Factor out duplicated code from dumpsys() on each architecture into generic 2015-01-07 01:01:39 +00:00
arm Add infrastructure to build dtb files from dts files. 2015-01-08 18:28:06 +00:00
boot Apparently more Makefiles use stuff from compiler-rt, so fix them up 2015-01-08 20:11:38 +00:00
bsm
cam Improve camcontrol(8) handling of drive defect data. 2015-01-08 16:58:40 +00:00
cddl Use new optimized dmu_read_uio_dbuf() for ZVOLs in device mode. 2015-01-10 18:28:58 +00:00
compat Regen for r276654 (__getcwd()). 2015-01-04 10:40:23 +00:00
conf Add infrastructure to build dtb files from dts files. 2015-01-08 18:28:06 +00:00
contrib In order to reduce use of M_EXT outside of the mbuf allocator and 2015-01-06 12:59:37 +00:00
crypto Add some new modes to OpenCrypto. These modes are AES-ICM (can be used 2014-12-12 19:56:36 +00:00
ddb ddb: ANSI-fy function declarations. 2014-10-12 18:01:52 +00:00
dev Add support for USB device side mode to the USB modem driver. 2015-01-09 18:40:12 +00:00
fs ANSIfy sys/fs/msdosfs 2015-01-09 14:50:08 +00:00
gdb Add support for gdb's memory searching capabilities to our in-kernel gdb 2014-09-05 16:40:47 +00:00
geom Remove old ioctl use and support, once and for all. 2015-01-06 05:28:37 +00:00
gnu reiserfs: Use signed i_nlink 2014-09-25 19:10:32 +00:00
i386 Need to include opt_cpu.h to access CPU_DISABLE_SSE option. Thankfully, this 2015-01-08 17:46:42 +00:00
isa
kern Garbage collect m_copymdata(), an mbuf utility routine introduced 2015-01-10 10:41:23 +00:00
kgssapi Avoid dynamic syscall overhead for statically compiled modules. 2014-10-26 19:42:44 +00:00
libkern Add some new modes to OpenCrypto. These modes are AES-ICM (can be used 2014-12-12 19:56:36 +00:00
mips Move MALTA_COMMON to std.MALTA (as we have for XLP and SWARM). 2015-01-07 12:12:36 +00:00
modules Add infrastructure to build dtb files from dts files. 2015-01-08 18:28:06 +00:00
net Restore Ethernet-within-IP Encapsulation support that was broken after 2015-01-10 08:28:50 +00:00
net80211 Global-ify channel_type() - this fixes non-debug net80211 builds. 2015-01-06 18:25:10 +00:00
netgraph In order to reduce use of M_EXT outside of the mbuf allocator and 2015-01-06 12:59:37 +00:00
netinet Minimize the usage of SCTP_BUF_IS_EXTENDED. 2015-01-10 20:49:57 +00:00
netinet6 Minimize the usage of SCTP_BUF_IS_EXTENDED. 2015-01-10 20:49:57 +00:00
netipsec In order to reduce use of M_EXT outside of the mbuf allocator and 2015-01-06 12:59:37 +00:00
netnatm
netpfil Do not initialize pfi_unlnkdkifs_mtx and pf_frag_mtx. 2015-01-08 17:49:07 +00:00
netsmb
nfs Remove the old NFS client and server from head, 2014-12-23 00:47:46 +00:00
nfsclient Remove the old NFS client and server from head, 2014-12-23 00:47:46 +00:00
nfsserver Use M_SIZE() instead of hand-crafted (and mostly correct) NFSMSIZ() macro 2015-01-07 17:22:56 +00:00
nlm Avoid dynamic syscall overhead for statically compiled modules. 2014-10-26 19:42:44 +00:00
ofed Don't mask the IP-address when doing multicast IP over infiniband. 2015-01-09 06:39:07 +00:00
opencrypto Add some new modes to OpenCrypto. These modes are AES-ICM (can be used 2014-12-12 19:56:36 +00:00
pc98 Factor out duplicated code from dumpsys() on each architecture into generic 2015-01-07 01:01:39 +00:00
powerpc Increase default MAXTSIZ to allow execution of larger binaries. 2015-01-10 06:54:10 +00:00
rpc Add facility to stop all userspace processes. The supposed use of the 2014-12-13 16:18:29 +00:00
security Adjust printf format specifiers for dev_t and ino_t in kernel. 2014-12-17 07:27:19 +00:00
sparc64 Factor out duplicated code from dumpsys() on each architecture into generic 2015-01-07 01:01:39 +00:00
sys Garbage collect m_copymdata(), an mbuf utility routine introduced 2015-01-10 10:41:23 +00:00
teken mdoc: improvements to SEE ALSO. 2014-12-27 07:07:37 +00:00
tools Allow the make_dtb script to work outside of a "make buildkernel" context 2014-08-30 22:39:15 +00:00
ufs Handle MAKEENTRY cnp flag in the VOP_CREATE(). Curiously, some 2014-12-21 13:29:33 +00:00
vm Eliminate a stale debug message. The per-CPU cache locks were replaced 2014-12-31 17:44:57 +00:00
x86 Fix calculation of requester for PCI device behind PCIe/PCI bridge. 2015-01-10 23:12:49 +00:00
xdr
xen Pacify clang 3.3 by ending the file with a newline. This is common 2015-01-06 21:26:35 +00:00
Makefile Remove "pci" from CSCOPEDIRS. 2014-09-23 06:32:19 +00:00