From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yinghai Lu Subject: [PATCH 02/24] PCI: add busn inline helper Date: Sat, 4 Feb 2012 22:57:46 -0800 Message-ID: <1328425088-6562-3-git-send-email-yinghai@kernel.org> References: <1328425088-6562-1-git-send-email-yinghai@kernel.org> Return-path: In-Reply-To: <1328425088-6562-1-git-send-email-yinghai@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Jesse Barnes , Benjamin Herrenschmidt , Tony Luck Cc: Bjorn Helgaas , Dominik Brodowski , Andrew Morton , Linus Torvalds , Greg Kroah-Hartman , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Yinghai Lu List-Id: linux-arch.vger.kernel.org convert back and forth with busn and domain_nr/bus_nr Signed-off-by: Yinghai Lu Cc: Andrew Morton --- include/linux/ioport.h | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 6fe9e19..f80c0cc 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -138,6 +138,23 @@ extern struct resource ioport_resource; extern struct resource iomem_resource; extern struct resource iobusn_resource; +static inline int busn_domain_nr(resource_size_t busn) +{ + return busn >> 8; +} +static inline int busn_bus_nr(resource_size_t busn) +{ + return busn & 0xff; +} +static inline resource_size_t busn_update_bus_nr(resource_size_t busn, int b_nr) +{ + return (busn & ~0xff) | (b_nr & 0xff); +} +static inline resource_size_t busn(int d_nr, int b_nr) +{ + return ((d_nr & 0xffff) << 8) | (b_nr & 0xff); +} + extern struct resource *request_resource_conflict(struct resource *root, struct resource *new); extern int request_resource(struct resource *root, struct resource *new); extern int release_resource(struct resource *new); -- 1.7.7 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from acsinet15.oracle.com ([141.146.126.227]:41820 "EHLO acsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753064Ab2BEG7A (ORCPT ); Sun, 5 Feb 2012 01:59:00 -0500 From: Yinghai Lu Subject: [PATCH 02/24] PCI: add busn inline helper Date: Sat, 4 Feb 2012 22:57:46 -0800 Message-ID: <1328425088-6562-3-git-send-email-yinghai@kernel.org> In-Reply-To: <1328425088-6562-1-git-send-email-yinghai@kernel.org> References: <1328425088-6562-1-git-send-email-yinghai@kernel.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Jesse Barnes , Benjamin Herrenschmidt , Tony Luck Cc: Bjorn Helgaas , Dominik Brodowski , Andrew Morton , Linus Torvalds , Greg Kroah-Hartman , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Yinghai Lu Message-ID: <20120205065746.Vc8bkdPr4Hq11rNzQoGKknQL9n8u8FVwPo4TArkgZ0s@z> convert back and forth with busn and domain_nr/bus_nr Signed-off-by: Yinghai Lu Cc: Andrew Morton --- include/linux/ioport.h | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 6fe9e19..f80c0cc 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -138,6 +138,23 @@ extern struct resource ioport_resource; extern struct resource iomem_resource; extern struct resource iobusn_resource; +static inline int busn_domain_nr(resource_size_t busn) +{ + return busn >> 8; +} +static inline int busn_bus_nr(resource_size_t busn) +{ + return busn & 0xff; +} +static inline resource_size_t busn_update_bus_nr(resource_size_t busn, int b_nr) +{ + return (busn & ~0xff) | (b_nr & 0xff); +} +static inline resource_size_t busn(int d_nr, int b_nr) +{ + return ((d_nr & 0xffff) << 8) | (b_nr & 0xff); +} + extern struct resource *request_resource_conflict(struct resource *root, struct resource *new); extern int request_resource(struct resource *root, struct resource *new); extern int release_resource(struct resource *new); -- 1.7.7