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authorSebastian Ott <sebott@linux.vnet.ibm.com>2016-04-08 18:55:19 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-07-04 09:35:58 +0300
commit0ac942826b3d900b7054f71bb6a15428441458d2 (patch)
tree23fb1c886c4bc60ca7721129fcc6a6ed4621203d
parentee6d777d3e93670af801a7288ee6281626f4ac2d (diff)
downloadlinux-0ac942826b3d900b7054f71bb6a15428441458d2.tar.xz
s390/pci: add fmt3 fmb
Add support for format 3 function measurement blocks. Signed-off-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/include/asm/pci.h5
-rw-r--r--arch/s390/pci/pci_debug.c8
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 94f8db468c9b..10fe982f2b4b 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -51,6 +51,10 @@ struct zpci_fmb_fmt2 {
u64 max_work_units;
};
+struct zpci_fmb_fmt3 {
+ u64 tx_bytes;
+};
+
struct zpci_fmb {
u32 format : 8;
u32 fmt_ind : 24;
@@ -66,6 +70,7 @@ struct zpci_fmb {
struct zpci_fmb_fmt0 fmt0;
struct zpci_fmb_fmt1 fmt1;
struct zpci_fmb_fmt2 fmt2;
+ struct zpci_fmb_fmt3 fmt3;
};
} __packed __aligned(128);
diff --git a/arch/s390/pci/pci_debug.c b/arch/s390/pci/pci_debug.c
index b482e95b6249..57f7cdac70a3 100644
--- a/arch/s390/pci/pci_debug.c
+++ b/arch/s390/pci/pci_debug.c
@@ -48,6 +48,10 @@ static char *pci_fmt2_names[] = {
"Maximum work units",
};
+static char *pci_fmt3_names[] = {
+ "Transmitted bytes",
+};
+
static char *pci_sw_names[] = {
"Allocated pages",
"Mapped pages",
@@ -112,6 +116,10 @@ static int pci_perf_show(struct seq_file *m, void *v)
pci_fmb_show(m, pci_fmt2_names, ARRAY_SIZE(pci_fmt2_names),
&zdev->fmb->fmt2.consumed_work_units);
break;
+ case 3:
+ pci_fmb_show(m, pci_fmt3_names, ARRAY_SIZE(pci_fmt3_names),
+ &zdev->fmb->fmt3.tx_bytes);
+ break;
default:
seq_puts(m, "Unknown format\n");
}