linux_dsm_epyc7002/arch/s390/include/asm/pci_debug.h
Sebastian Ott a2ab833360 s390/pci: debug device states
Use the debugfs to keep track of a pci function's status changes.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-17 14:07:35 +02:00

34 lines
791 B
C

#ifndef _S390_ASM_PCI_DEBUG_H
#define _S390_ASM_PCI_DEBUG_H
#include <asm/debug.h>
extern debug_info_t *pci_debug_msg_id;
extern debug_info_t *pci_debug_err_id;
#ifdef CONFIG_PCI_DEBUG
#define zpci_dbg(imp, fmt, args...) \
debug_sprintf_event(pci_debug_msg_id, imp, fmt, ##args)
#else /* !CONFIG_PCI_DEBUG */
#define zpci_dbg(imp, fmt, args...) do { } while (0)
#endif
#define zpci_err(text...) \
do { \
char debug_buffer[16]; \
snprintf(debug_buffer, 16, text); \
debug_text_event(pci_debug_err_id, 0, debug_buffer); \
} while (0)
static inline void zpci_err_hex(void *addr, int len)
{
while (len > 0) {
debug_event(pci_debug_err_id, 0, (void *) addr, len);
len -= pci_debug_err_id->buf_size;
addr += pci_debug_err_id->buf_size;
}
}
#endif