Re: [PATCH] PCI: Add Bridge Configuration Retry bit in PCIE Control
From: Yang, Sheng
Date: Thu Jul 10 2008 - 02:40:27 EST
Updated patch with FLR capability indicated bit...
From a6478de8d190a0343580023aa93c968e6b369c51 Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang@xxxxxxxxx>
Date: Thu, 10 Jul 2008 14:39:13 +0800
Subject: [PATCH] PCI: Add Function Level Reset related bits
The bit 28 in PCI-E Capability Register indicated Function Level Reset
capability.
The bit 15 in PCI-E Control Register is Bridge Configuration Retry
Reset and
Initiate Function Level Reset bit.
Signed-off-by: Sheng Yang <sheng.yang@xxxxxxxxx>
---
include/linux/pci_regs.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c0c1223..b656d22 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -375,6 +375,7 @@
#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value
*/
#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale
*/
+#define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */
#define PCI_EXP_DEVCTL 8 /* Device Control */
#define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting
En. */
#define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting
Enable */
@@ -387,6 +388,7 @@
#define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable
*/
#define PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800 /* Enable No Snoop */
#define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */
+#define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration
Retry / FLR */
#define PCI_EXP_DEVSTA 10 /* Device Status */
#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */
#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */
--
1.5.6
From a6478de8d190a0343580023aa93c968e6b369c51 Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang@xxxxxxxxx>
Date: Thu, 10 Jul 2008 14:39:13 +0800
Subject: [PATCH] PCI: Add Function Level Reset related bits
The bit 28 in PCI-E Capability Register indicated Function Level Reset
capability.
The bit 15 in PCI-E Control Register is Bridge Configuration Retry Reset and
Initiate Function Level Reset bit.
Signed-off-by: Sheng Yang <sheng.yang@xxxxxxxxx>
---
include/linux/pci_regs.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c0c1223..b656d22 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -375,6 +375,7 @@
#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */
#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */
+#define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */
#define PCI_EXP_DEVCTL 8 /* Device Control */
#define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */
#define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */
@@ -387,6 +388,7 @@
#define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
#define PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800 /* Enable No Snoop */
#define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */
+#define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */
#define PCI_EXP_DEVSTA 10 /* Device Status */
#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */
#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */
--
1.5.6