From: Yinghai Lu <yinghai@kernel.org>
To: Jesse Barnes <jbarnes@virtuousgeek.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Tony Luck <tony.luck@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Dominik Brodowski <linux@dominikbrodowski.net>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@suse.de>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, Yinghai Lu <yinghai@kernel.org>
Subject: [PATCH 01/24] PCI: Add iobusn_resource
Date: Sat, 4 Feb 2012 22:57:45 -0800 [thread overview]
Message-ID: <1328425088-6562-2-git-send-email-yinghai@kernel.org> (raw)
Message-ID: <20120205065745.RkkRNqNsIsw0sXzCO7-Ruvoh4Slv8-X2u-9HQCbpSWg@z> (raw)
In-Reply-To: <1328425088-6562-1-git-send-email-yinghai@kernel.org>
also add busn_res into struct pci_bus.
will use them to have bus number resource tree.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/ioport.h | 1 +
include/linux/pci.h | 1 +
kernel/resource.c | 8 ++++++++
3 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index e885ba2..6fe9e19 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -136,6 +136,7 @@ struct resource {
/* PC/ISA/whatever - the normal PC address spaces: IO and memory */
extern struct resource ioport_resource;
extern struct resource iomem_resource;
+extern struct resource iobusn_resource;
extern struct resource *request_resource_conflict(struct resource *root, struct resource *new);
extern int request_resource(struct resource *root, struct resource *new);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f8caaab..94ad468 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -419,6 +419,7 @@ struct pci_bus {
struct list_head slots; /* list of slots on this bus */
struct resource *resource[PCI_BRIDGE_RESOURCE_NUM];
struct list_head resources; /* address space routed to this bus */
+ struct resource busn_res; /* track registered bus num range */
struct pci_ops *ops; /* configuration access functions */
void *sysdata; /* hook for sys-specific extension */
diff --git a/kernel/resource.c b/kernel/resource.c
index 7640b3a..53b42f0 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -38,6 +38,14 @@ struct resource iomem_resource = {
};
EXPORT_SYMBOL(iomem_resource);
+struct resource iobusn_resource = {
+ .name = "PCI busn",
+ .start = 0,
+ .end = 0xffffff,
+ .flags = IORESOURCE_BUS,
+};
+EXPORT_SYMBOL(iobusn_resource);
+
/* constraints to be met while allocating resources */
struct resource_constraint {
resource_size_t min, max, align;
--
1.7.7
next prev parent reply other threads:[~2012-02-05 6:58 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-05 6:57 [PATCH -v5 0/24] PCI: allocate pci bus num range for unassigned bridge busn + pci rescan cleanup Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu [this message]
2012-02-05 6:57 ` [PATCH 01/24] PCI: Add iobusn_resource Yinghai Lu
2012-02-06 18:48 ` Bjorn Helgaas
2012-02-06 18:48 ` Bjorn Helgaas
2012-02-06 18:55 ` Yinghai Lu
2012-02-06 18:55 ` Yinghai Lu
2012-02-10 20:51 ` Jesse Barnes
2012-02-10 23:40 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 02/24] PCI: add busn inline helper Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 03/24] Make %pR could handle bus resource with domain Yinghai Lu
2012-02-05 6:57 ` [PATCH 04/24] PCI: Add busn_res operation functions Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-06 18:59 ` Bjorn Helgaas
2012-02-06 18:59 ` Bjorn Helgaas
2012-02-06 20:45 ` Yinghai Lu
2012-02-12 23:51 ` Bjorn Helgaas
2012-02-12 23:51 ` Bjorn Helgaas
2012-02-13 0:03 ` Yinghai Lu
2012-02-13 0:03 ` Yinghai Lu
2012-02-13 0:11 ` Bjorn Helgaas
2012-02-05 6:57 ` [PATCH 05/24] PCI: add /proc/iobusn Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 06/24] PCI: Add busn_res tracking in core Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-08 16:08 ` Bjorn Helgaas
2012-02-08 16:08 ` Bjorn Helgaas
2012-02-08 17:26 ` Yinghai Lu
2012-02-08 17:26 ` Yinghai Lu
2012-02-23 20:20 ` Jesse Barnes
2012-02-23 20:20 ` Jesse Barnes
2012-02-05 6:57 ` [PATCH 07/24] PCI, x86: Register busn_res for root buses Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 08/24] PCI, ia64: " Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 09/24] PCI, powerpc: " Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-08 15:58 ` Bjorn Helgaas
2012-02-08 15:58 ` Bjorn Helgaas
2012-02-08 17:31 ` Yinghai Lu
2012-02-08 17:31 ` Yinghai Lu
2012-02-08 22:02 ` Benjamin Herrenschmidt
2012-02-09 19:24 ` Bjorn Helgaas
2012-02-09 19:24 ` Bjorn Helgaas
2012-02-09 21:35 ` Benjamin Herrenschmidt
2012-02-09 21:35 ` Benjamin Herrenschmidt
2012-02-23 20:25 ` Jesse Barnes
2012-02-23 20:51 ` Bjorn Helgaas
2012-02-23 20:51 ` Bjorn Helgaas
2012-02-24 22:24 ` Jesse Barnes
2012-02-24 22:24 ` Jesse Barnes
2012-02-25 7:47 ` Yinghai Lu
2012-02-25 7:47 ` Yinghai Lu
2012-02-27 22:44 ` Bjorn Helgaas
2012-02-27 22:44 ` Bjorn Helgaas
2012-02-05 6:57 ` [PATCH 10/24] PCI, parisc: " Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 11/24] PCI: Add pci_bus_extend/shrink_top() Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 12/24] PCI: Probe safe range that we can use for unassigned bridge Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 13/24] PCI: Strict checking of valid range for bridge Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 14/24] PCI: Allocate bus range instead of use max blindly Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:57 ` [PATCH 15/24] PCI: kill pci_fixup_parent_subordinate_busnr() Yinghai Lu
2012-02-05 6:57 ` Yinghai Lu
2012-02-05 6:58 ` [PATCH 16/24] PCI: Seperate child bus scanning to two passes overall Yinghai Lu
2012-02-05 6:58 ` Yinghai Lu
2012-02-05 6:58 ` [PATCH 17/24] pcmcia: remove workaround for fixing pci parent bus subordinate Yinghai Lu
2012-02-05 6:58 ` Yinghai Lu
2012-02-05 6:58 ` [PATCH 18/24] PCI: Double checking setting for bus register and bus struct Yinghai Lu
2012-02-05 6:58 ` Yinghai Lu
2012-02-05 6:58 ` [PATCH 19/24] PCI, pciehp: Remove not needed bus number range checking Yinghai Lu
2012-02-05 6:58 ` [PATCH 20/24] PCI, sys: Use device_type and attr_groups with pci dev Yinghai Lu
2012-02-05 6:58 ` Yinghai Lu
2012-02-05 6:58 ` [PATCH 21/24] PCI, sysfs: create rescan_bridge under /sys/.../pci/devices/... for pci bridges Yinghai Lu
2012-02-05 6:58 ` [PATCH 22/24] PCI: Add pci_bus_add_single_device() Yinghai Lu
2012-02-05 6:58 ` Yinghai Lu
2012-02-05 6:58 ` [PATCH 23/24] PCI: make pci_rescan_bus_bridge_resize use pci_scan_bridge instead Yinghai Lu
2012-02-05 6:58 ` Yinghai Lu
2012-02-05 6:58 ` [PATCH 24/24] PCI: clean up rescan_bus_bridge_resize Yinghai Lu
2012-02-05 6:58 ` Yinghai Lu
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