Provide some basic debugging support.
Signed-off-by: Manish Ahuja <[EMAIL PROTECTED]>
Signed-off-by: Linas Vepsts <[EMAIL PROTECTED]>
-----
arch/powerpc/platforms/pseries/phyp_dump.c | 53 ++++++++++++++++++++++++++++-
1 file changed, 52 insertions(+), 1 deletion(-)
Index: 2.6.24-rc5/arch/powerpc/platforms/pseries/phyp_dump.c
===================================================================
--- 2.6.24-rc5.orig/arch/powerpc/platforms/pseries/phyp_dump.c 2008-01-01
23:24:10.000000000 -0600
+++ 2.6.24-rc5/arch/powerpc/platforms/pseries/phyp_dump.c 2008-01-01
23:24:27.000000000 -0600
@@ -2,7 +2,7 @@
* Hypervisor-assisted dump
*
* Linas Vepstas, Manish Ahuja 2007
- * Copyrhgit (c) 2007 IBM Corp.
+ * Copyright (c) 2007 IBM Corp.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -139,6 +139,51 @@ static unsigned long init_dump_header(st
return addr_offset;
}
+#ifdef DEBUG
+static void print_dump_header(const struct phyp_dump_header *ph)
+{
+ printk(KERN_INFO "dump header:\n");
+ /* setup some ph->sections required */
+ printk(KERN_INFO "version = %d\n", ph->version);
+ printk(KERN_INFO "Sections = %d\n", ph->num_of_sections);
+ printk(KERN_INFO "Status = 0x%x\n", ph->status);
+
+ /* No ph->disk, so all should be set to 0 */
+ printk(KERN_INFO "Offset to first section 0x%x\n",
ph->first_offset_section);
+ printk(KERN_INFO "dump disk sections should be zero\n");
+ printk(KERN_INFO "dump disk section = %d\n",ph->dump_disk_section);
+ printk(KERN_INFO "block num = %ld\n",ph->block_num_dd);
+ printk(KERN_INFO "number of blocks = %ld\n",ph->num_of_blocks_dd);
+ printk(KERN_INFO "dump disk offset = %d\n",ph->offset_dd);
+ printk(KERN_INFO "Max auto time= %d\n",ph->maxtime_to_auto);
+
+ /*set cpu state and hpte states as well scratch pad area */
+ printk(KERN_INFO " CPU AREA \n");
+ printk(KERN_INFO "cpu dump_flags =%d\n",ph->cpu_data.dump_flags);
+ printk(KERN_INFO "cpu source_type =%d\n",ph->cpu_data.source_type);
+ printk(KERN_INFO "cpu error_flags =%d\n",ph->cpu_data.error_flags);
+ printk(KERN_INFO "cpu source_address
=%lx\n",ph->cpu_data.source_address);
+ printk(KERN_INFO "cpu source_length =%lx\n",ph->cpu_data.source_length);
+ printk(KERN_INFO "cpu length_copied =%lx\n",ph->cpu_data.length_copied);
+
+ printk(KERN_INFO " HPTE AREA \n");
+ printk(KERN_INFO "HPTE dump_flags =%d\n",ph->hpte_data.dump_flags);
+ printk(KERN_INFO "HPTE source_type =%d\n",ph->hpte_data.source_type);
+ printk(KERN_INFO "HPTE error_flags =%d\n",ph->hpte_data.error_flags);
+ printk(KERN_INFO "HPTE source_address
=%lx\n",ph->hpte_data.source_address);
+ printk(KERN_INFO "HPTE source_length
=%lx\n",ph->hpte_data.source_length);
+ printk(KERN_INFO "HPTE length_copied
=%lx\n",ph->hpte_data.length_copied);
+
+ printk(KERN_INFO " SRSD AREA \n");
+ printk(KERN_INFO "SRSD dump_flags =%d\n",ph->kernel_data.dump_flags);
+ printk(KERN_INFO "SRSD source_type =%d\n",ph->kernel_data.source_type);
+ printk(KERN_INFO "SRSD error_flags =%d\n",ph->kernel_data.error_flags);
+ printk(KERN_INFO "SRSD source_address
=%lx\n",ph->kernel_data.source_address);
+ printk(KERN_INFO "SRSD source_length
=%lx\n",ph->kernel_data.source_length);
+ printk(KERN_INFO "SRSD length_copied
=%lx\n",ph->kernel_data.length_copied);
+}
+#endif
+
static void register_dump_area(struct phyp_dump_header *ph, unsigned long addr)
{
int rc;
@@ -154,6 +199,9 @@ static void register_dump_area(struct ph
if (rc)
{
printk (KERN_ERR "phyp-dump: unexpected error (%d) on
register\n", rc);
+#ifdef DEBUG
+ print_dump_header (ph);
+#endif
}
}
@@ -271,6 +319,9 @@ static int __init phyp_dump_setup(void)
release_all();
return -ENOSYS;
}
+#ifdef DEBUG
+ print_dump_header (dump_header);
+#endif
/* Is there dump data waiting for us? If there isn't,
* then register a new dump area, and release all of
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