From: Yinghai Lu <yinghai@kernel.org>
To: Jesse Barnes <jbarnes@virtuousgeek.org>, x86 <x86@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Yinghai Lu <yinghai@kernel.org>
Subject: [PATCH -v2 21/26] PCI: Add helpers for add addon_resource
Date: Sun, 18 Mar 2012 22:48:44 -0700 [thread overview]
Message-ID: <1332136129-14010-22-git-send-email-yinghai@kernel.org> (raw)
In-Reply-To: <1332136129-14010-1-git-send-email-yinghai@kernel.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
drivers/pci/probe.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
include/linux/pci.h | 5 +++
2 files changed, 73 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6dbad5b..9d544c9 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -103,6 +103,74 @@ int pci_dev_resource_idx(struct pci_dev *dev, struct resource *res)
return -1;
}
+struct pci_dev_addon_resource *__add_pci_dev_addon_resource(
+ struct pci_dev *dev, int addr, char *name)
+{
+ struct pci_dev_addon_resource *addon_res;
+
+ addon_res = kzalloc(sizeof(*addon_res), GFP_KERNEL);
+
+ if (!addon_res)
+ return NULL;
+
+ addon_res->reg_addr = addr;
+
+ if (name)
+ addon_res->res.name = name;
+ else
+ addon_res->res.name = pci_name(dev);
+
+ list_add_tail(&addon_res->list, &dev->addon_resources);
+
+ return addon_res;
+}
+
+struct pci_dev_addon_resource *add_pci_dev_addon_fixed_resource(
+ struct pci_dev *dev, int start, int size, int flags,
+ int addr, char *name)
+{
+ struct pci_dev_addon_resource *addon_res;
+ struct resource *res;
+
+ addon_res = __add_pci_dev_addon_resource(dev, addr, name);
+ if (addon_res)
+ return NULL;
+
+ res = &addon_res->res;
+ res->start = start;
+ res->end = start + size - 1;
+ res->flags = flags | IORESOURCE_PCI_FIXED;
+
+ dev_printk(KERN_DEBUG, &dev->dev,
+ "addon fixed resource %s %pR added\n", res->name, res);
+
+ return addon_res;
+}
+
+struct pci_dev_addon_resource *add_pci_dev_addon_resource(struct pci_dev *dev,
+ int addr, int size, struct resource_ops *ops, char *name)
+{
+ struct pci_dev_addon_resource *addon_res;
+ struct resource *res;
+
+ addon_res = __add_pci_dev_addon_resource(dev, addr, name);
+ if (!addon_res)
+ return NULL;
+
+ res = &addon_res->res;
+ if (ops) {
+ addon_res->ops = ops;
+ addon_res->size = size;
+ ops->read(dev, res, addr);
+ } else
+ __pci_read_base(dev, pci_bar_unknown, res, addr);
+
+ dev_printk(KERN_DEBUG, &dev->dev,
+ "addon resource %s %pR added\n", res->name, res);
+
+ return addon_res;
+}
+
static void pci_release_dev_addon_res(struct pci_dev *dev)
{
struct pci_dev_addon_resource *addon_res, *tmp;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2c8b1a4..faaffe7 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -365,6 +365,11 @@ struct pci_dev_addon_resource {
struct resource *pci_dev_resource_n(struct pci_dev *dev, int n);
int pci_dev_resource_idx(struct pci_dev *dev, struct resource *res);
+struct pci_dev_addon_resource *add_pci_dev_addon_fixed_resource(
+ struct pci_dev *dev, int start, int size, int flags,
+ int addr, char *name);
+struct pci_dev_addon_resource *add_pci_dev_addon_resource(struct pci_dev *dev,
+ int addr, int size, struct resource_ops *ops, char *name);
#define resno_is_for_bridge(n) \
((n) >= PCI_BRIDGE_RESOURCES && (n) <= PCI_BRIDGE_RESOURCE_END)
--
1.7.7
next prev parent reply other threads:[~2012-03-19 5:50 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-19 5:48 [PATCH -v2 00/26] PCI, x86: Add for_each_res and addon resource support Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 01/26] PCI: Add pci_dev_resource_n() Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 02/26] PCI: Add for_each_resource helpers to make resource loop easier Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 03/26] PCI: Add pci_dev_resource_idx() Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 04/26] PCI: Update pci_resource_start to use pci_dev_resource_n() Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 05/26] x86, PCI: Use for_each_res with pci_allocate_bridge_resources Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 06/26] x86, PCI: Use for_each_res with pci_allocate_dev_resources Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 07/26] PCI: Use for_each_res with IOV releated funcs Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 08/26] PCI, acpiphp: Use for_each_pci_dev_resource helper Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 09/26] PCI, pciehp: " Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 10/26] PCI: Use for_each_pci_dev_resource pci_enable_dev Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 11/26] PCI: Use for_each_pci_dev_resource pci_reassigndev Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 12/26] PCI: Use for_each_res with pci bar reassign funcs Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 13/26] PCI: Use for_each_res pci_assign_resource Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 14/26] PCI: Use for_each_res with noassign_bars Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 15/26] PCI: Use for_each_res pci bases pci_dev_driver() Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 16/26] PCI: Use for_each_res pci release release Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 17/26] PCI: Use for_each_res pci bases reading Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 18/26] PCI: Use for_each_res with mrs Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 19/26] PCI: Use for_each_res with xen pci Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 20/26] PCI: Add addon_resource support for pci_dev Yinghai Lu
2012-03-19 5:48 ` Yinghai Lu [this message]
2012-03-19 5:48 ` [PATCH -v2 22/26] PCI: Update pci_resource_bar() to support addon_resource Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 23/26] PCI: Make assign/update resource to support addon_res Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 24/26] PCI: Make piix4 quirk to use addon_resource support Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 25/26] PCI: Make quirk_io_region " Yinghai Lu
2012-03-19 5:48 ` [PATCH -v2 26/26] PCI: Use addon_fixed_resource with ati fixed resource Yinghai Lu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1332136129-14010-22-git-send-email-yinghai@kernel.org \
--to=yinghai@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=bhelgaas@google.com \
--cc=gregkh@linuxfoundation.org \
--cc=jbarnes@virtuousgeek.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).