diff options
author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-11 01:09:23 +0200 |
---|---|---|
committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-11 01:09:23 +0200 |
commit | 8f8ffe2485bcaa890800681451d380779cea06af (patch) | |
tree | 1d2ef3a27f1cab9a2b9014f4b75886a96a1ae8db /drivers/pci/iov.c | |
parent | 70069577323e6f72b845166724f34b9858134437 (diff) | |
parent | d28daf923ac5e4a0d7cecebae56f3e339189366b (diff) | |
download | blackbird-obmc-linux-8f8ffe2485bcaa890800681451d380779cea06af.tar.gz blackbird-obmc-linux-8f8ffe2485bcaa890800681451d380779cea06af.zip |
Merge commit 'tracing/core' into tracing/kprobes
Conflicts:
kernel/trace/trace_export.c
kernel/trace/trace_kprobe.c
Merge reason: This topic branch lacks an important
build fix in tracing/core:
0dd7b74787eaf7858c6c573353a83c3e2766e674:
tracing: Fix double CPP substitution in TRACE_EVENT_FN
that prevents from multiple tracepoint headers inclusion crashes.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'drivers/pci/iov.c')
-rw-r--r-- | drivers/pci/iov.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index e3a87210e947..e03fe98f0619 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -598,6 +598,29 @@ int pci_iov_resource_bar(struct pci_dev *dev, int resno, } /** + * pci_sriov_resource_alignment - get resource alignment for VF BAR + * @dev: the PCI device + * @resno: the resource number + * + * Returns the alignment of the VF BAR found in the SR-IOV capability. + * This is not the same as the resource size which is defined as + * the VF BAR size multiplied by the number of VFs. The alignment + * is just the VF BAR size. + */ +int pci_sriov_resource_alignment(struct pci_dev *dev, int resno) +{ + struct resource tmp; + enum pci_bar_type type; + int reg = pci_iov_resource_bar(dev, resno, &type); + + if (!reg) + return 0; + + __pci_read_base(dev, type, &tmp, reg); + return resource_alignment(&tmp); +} + +/** * pci_restore_iov_state - restore the state of the IOV capability * @dev: the PCI device */ |