diff options
author | Linas Vepstas <linas@austin.ibm.com> | 2007-05-24 03:16:46 +1000 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2007-06-14 22:29:55 +1000 |
commit | e1d04c9769398ae7df8c7ca2681b25f540b719d5 (patch) | |
tree | 78ae5fd5814571870e6aeb75c875ffdb84e62748 /arch/powerpc/platforms/pseries/eeh_sysfs.c | |
parent | c2e221e8b93ea54da85d9b5413a2eff9f4a653f7 (diff) |
[POWERPC] Add EEH sysfs blinkenlights
Add sysfs blinkenlights for EEH statistics. Shuffle the
eeh_add_device_tree() call so that it appears in the correct
sequence.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
----
arch/powerpc/platforms/pseries/Makefile | 2
arch/powerpc/platforms/pseries/eeh.c | 4 +
arch/powerpc/platforms/pseries/eeh_cache.c | 2
arch/powerpc/platforms/pseries/eeh_sysfs.c | 84 +++++++++++++++++++++++++++++
arch/powerpc/platforms/pseries/pci_dlpar.c | 7 +-
include/asm-powerpc/ppc-pci.h | 3 +
6 files changed, 98 insertions(+), 4 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh_sysfs.c')
-rw-r--r-- | arch/powerpc/platforms/pseries/eeh_sysfs.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_sysfs.c b/arch/powerpc/platforms/pseries/eeh_sysfs.c new file mode 100644 index 000000000000..0543cafec56b --- /dev/null +++ b/arch/powerpc/platforms/pseries/eeh_sysfs.c @@ -0,0 +1,84 @@ +/* + * Sysfs entries for PCI Error Recovery for PAPR-compliant platform. + * Copyright IBM Corporation 2007 + * Copyright Linas Vepstas <linas@austin.ibm.com> 2007 + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Send comments and feedback to Linas Vepstas <linas@austin.ibm.com> + */ +#include <linux/pci.h> +#include <asm/ppc-pci.h> +#include <asm/pci-bridge.h> +#include <linux/kobject.h> + +/** + * EEH_SHOW_ATTR -- create sysfs entry for eeh statistic + * @_name: name of file in sysfs directory + * @_memb: name of member in struct pci_dn to access + * @_format: printf format for display + * + * All of the attributes look very similar, so just + * auto-gen a cut-n-paste routine to display them. + */ +#define EEH_SHOW_ATTR(_name,_memb,_format) \ +static ssize_t eeh_show_##_name(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct pci_dev *pdev = to_pci_dev(dev); \ + struct device_node *dn = pci_device_to_OF_node(pdev); \ + struct pci_dn *pdn; \ + \ + if (!dn || PCI_DN(dn) == NULL) \ + return 0; \ + \ + pdn = PCI_DN(dn); \ + return sprintf(buf, _format "\n", pdn->_memb); \ +} \ +static DEVICE_ATTR(_name, S_IRUGO, eeh_show_##_name, NULL); + + +EEH_SHOW_ATTR(eeh_mode, eeh_mode, "0x%x"); +EEH_SHOW_ATTR(eeh_config_addr, eeh_config_addr, "0x%x"); +EEH_SHOW_ATTR(eeh_pe_config_addr, eeh_pe_config_addr, "0x%x"); +EEH_SHOW_ATTR(eeh_check_count, eeh_check_count, "%d"); +EEH_SHOW_ATTR(eeh_freeze_count, eeh_freeze_count, "%d"); + +void eeh_sysfs_add_device(struct pci_dev *pdev) +{ + int rc=0; + + rc += device_create_file(&pdev->dev, &dev_attr_eeh_mode); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_config_addr); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_pe_config_addr); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_check_count); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_freeze_count); + + if (rc) + printk(KERN_WARNING "EEH: Unable to create sysfs entries\n"); +} + +void eeh_sysfs_remove_device(struct pci_dev *pdev) +{ + device_remove_file(&pdev->dev, &dev_attr_eeh_mode); + device_remove_file(&pdev->dev, &dev_attr_eeh_config_addr); + device_remove_file(&pdev->dev, &dev_attr_eeh_pe_config_addr); + device_remove_file(&pdev->dev, &dev_attr_eeh_check_count); + device_remove_file(&pdev->dev, &dev_attr_eeh_freeze_count); +} + |