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-rw-r--r--samples/Kconfig7
-rw-r--r--samples/Makefile1
-rw-r--r--samples/bpf/hbm.c1
-rw-r--r--samples/bpf/tcp_basertt_kern.c2
-rw-r--r--samples/bpf/xdp1_kern.c2
-rw-r--r--samples/bpf/xdp2_kern.c2
-rw-r--r--samples/fprobe/fprobe_example.c6
-rw-r--r--samples/kmemleak/kmemleak-test.c2
-rw-r--r--samples/pfsm/.gitignore2
-rw-r--r--samples/pfsm/Makefile4
-rw-r--r--samples/pfsm/pfsm-wakeup.c125
-rw-r--r--samples/pktgen/functions.sh13
-rwxr-xr-xsamples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh4
-rwxr-xr-xsamples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh4
-rwxr-xr-xsamples/pktgen/pktgen_sample01_simple.sh4
-rwxr-xr-xsamples/pktgen/pktgen_sample02_multiqueue.sh3
-rwxr-xr-xsamples/pktgen/pktgen_sample03_burst_single_flow.sh4
-rwxr-xr-xsamples/pktgen/pktgen_sample04_many_flows.sh4
-rwxr-xr-xsamples/pktgen/pktgen_sample05_flow_per_thread.sh4
-rwxr-xr-xsamples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh3
20 files changed, 184 insertions, 13 deletions
diff --git a/samples/Kconfig b/samples/Kconfig
index b2db430bd3ff..bf49ed0d7362 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -253,6 +253,13 @@ config SAMPLE_INTEL_MEI
help
Build a sample program to work with mei device.
+config SAMPLE_TPS6594_PFSM
+ bool "Build example program working with TPS6594 PFSM driver"
+ depends on HEADERS_INSTALL
+ depends on CC_CAN_LINK
+ help
+ Build a sample program to work with PFSM devices.
+
config SAMPLE_WATCHDOG
bool "watchdog sample"
depends on CC_CAN_LINK
diff --git a/samples/Makefile b/samples/Makefile
index 7727f1a0d6d1..0a551c2b33f4 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_VIDEO_PCI_SKELETON) += v4l/
obj-y += vfio-mdev/
subdir-$(CONFIG_SAMPLE_VFS) += vfs
obj-$(CONFIG_SAMPLE_INTEL_MEI) += mei/
+obj-$(CONFIG_SAMPLE_TPS6594_PFSM) += pfsm/
subdir-$(CONFIG_SAMPLE_WATCHDOG) += watchdog
subdir-$(CONFIG_SAMPLE_WATCH_QUEUE) += watch_queue
obj-$(CONFIG_SAMPLE_KMEMLEAK) += kmemleak/
diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c
index 6448b7826107..bf66277115e2 100644
--- a/samples/bpf/hbm.c
+++ b/samples/bpf/hbm.c
@@ -498,7 +498,6 @@ int main(int argc, char **argv)
"Option -%c requires an argument.\n\n",
optopt);
case 'h':
- __fallthrough;
default:
Usage();
return 0;
diff --git a/samples/bpf/tcp_basertt_kern.c b/samples/bpf/tcp_basertt_kern.c
index 8dfe09a92fec..822b0742b815 100644
--- a/samples/bpf/tcp_basertt_kern.c
+++ b/samples/bpf/tcp_basertt_kern.c
@@ -47,7 +47,7 @@ int bpf_basertt(struct bpf_sock_ops *skops)
case BPF_SOCK_OPS_BASE_RTT:
n = bpf_getsockopt(skops, SOL_TCP, TCP_CONGESTION,
cong, sizeof(cong));
- if (!n && !__builtin_memcmp(cong, nv, sizeof(nv)+1)) {
+ if (!n && !__builtin_memcmp(cong, nv, sizeof(nv))) {
/* Set base_rtt to 80us */
rv = 80;
} else if (n) {
diff --git a/samples/bpf/xdp1_kern.c b/samples/bpf/xdp1_kern.c
index 0a5c704badd0..d91f27cbcfa9 100644
--- a/samples/bpf/xdp1_kern.c
+++ b/samples/bpf/xdp1_kern.c
@@ -39,7 +39,7 @@ static int parse_ipv6(void *data, u64 nh_off, void *data_end)
return ip6h->nexthdr;
}
-#define XDPBUFSIZE 64
+#define XDPBUFSIZE 60
SEC("xdp.frags")
int xdp_prog1(struct xdp_md *ctx)
{
diff --git a/samples/bpf/xdp2_kern.c b/samples/bpf/xdp2_kern.c
index 67804ecf7ce3..8bca674451ed 100644
--- a/samples/bpf/xdp2_kern.c
+++ b/samples/bpf/xdp2_kern.c
@@ -55,7 +55,7 @@ static int parse_ipv6(void *data, u64 nh_off, void *data_end)
return ip6h->nexthdr;
}
-#define XDPBUFSIZE 64
+#define XDPBUFSIZE 60
SEC("xdp.frags")
int xdp_prog1(struct xdp_md *ctx)
{
diff --git a/samples/fprobe/fprobe_example.c b/samples/fprobe/fprobe_example.c
index 4efc8feb6277..64e715e7ed11 100644
--- a/samples/fprobe/fprobe_example.c
+++ b/samples/fprobe/fprobe_example.c
@@ -49,6 +49,7 @@ static void show_backtrace(void)
}
static int sample_entry_handler(struct fprobe *fp, unsigned long ip,
+ unsigned long ret_ip,
struct pt_regs *regs, void *data)
{
if (use_trace)
@@ -65,10 +66,11 @@ static int sample_entry_handler(struct fprobe *fp, unsigned long ip,
return 0;
}
-static void sample_exit_handler(struct fprobe *fp, unsigned long ip, struct pt_regs *regs,
+static void sample_exit_handler(struct fprobe *fp, unsigned long ip,
+ unsigned long ret_ip, struct pt_regs *regs,
void *data)
{
- unsigned long rip = instruction_pointer(regs);
+ unsigned long rip = ret_ip;
if (use_trace)
/*
diff --git a/samples/kmemleak/kmemleak-test.c b/samples/kmemleak/kmemleak-test.c
index 7b476eb8285f..6ced5ddd99d4 100644
--- a/samples/kmemleak/kmemleak-test.c
+++ b/samples/kmemleak/kmemleak-test.c
@@ -32,7 +32,7 @@ static DEFINE_PER_CPU(void *, kmemleak_test_pointer);
* Some very simple testing. This function needs to be extended for
* proper testing.
*/
-static int __init kmemleak_test_init(void)
+static int kmemleak_test_init(void)
{
struct test_node *elem;
int i;
diff --git a/samples/pfsm/.gitignore b/samples/pfsm/.gitignore
new file mode 100644
index 000000000000..f350a030a060
--- /dev/null
+++ b/samples/pfsm/.gitignore
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+/pfsm-wakeup
diff --git a/samples/pfsm/Makefile b/samples/pfsm/Makefile
new file mode 100644
index 000000000000..213e8d9f5dbc
--- /dev/null
+++ b/samples/pfsm/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+userprogs-always-y += pfsm-wakeup
+
+userccflags += -I usr/include
diff --git a/samples/pfsm/pfsm-wakeup.c b/samples/pfsm/pfsm-wakeup.c
new file mode 100644
index 000000000000..299dd9e1f607
--- /dev/null
+++ b/samples/pfsm/pfsm-wakeup.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * TPS6594 PFSM userspace example
+ *
+ * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
+ *
+ * This example shows how to use PFSMs from a userspace application,
+ * on TI j721s2 platform. The PMIC is armed to be triggered by a RTC
+ * alarm to execute state transition (RETENTION to ACTIVE).
+ */
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include <linux/rtc.h>
+#include <linux/tps6594_pfsm.h>
+
+#define ALARM_DELTA_SEC 30
+
+#define RTC_A "/dev/rtc0"
+
+#define PMIC_NB 3
+#define PMIC_A "/dev/pfsm-0-0x48"
+#define PMIC_B "/dev/pfsm-0-0x4c"
+#define PMIC_C "/dev/pfsm-2-0x58"
+
+static const char * const dev_pfsm[] = {PMIC_A, PMIC_B, PMIC_C};
+
+int main(int argc, char *argv[])
+{
+ int i, ret, fd_rtc, fd_pfsm[PMIC_NB] = { 0 };
+ struct rtc_time rtc_tm;
+ struct pmic_state_opt pmic_opt = { 0 };
+ unsigned long data;
+
+ fd_rtc = open(RTC_A, O_RDONLY);
+ if (fd_rtc < 0) {
+ perror("Failed to open RTC device.");
+ goto out;
+ }
+
+ for (i = 0 ; i < PMIC_NB ; i++) {
+ fd_pfsm[i] = open(dev_pfsm[i], O_RDWR);
+ if (fd_pfsm[i] < 0) {
+ perror("Failed to open PFSM device.");
+ goto out;
+ }
+ }
+
+ /* Read RTC date/time */
+ ret = ioctl(fd_rtc, RTC_RD_TIME, &rtc_tm);
+ if (ret < 0) {
+ perror("Failed to read RTC date/time.");
+ goto out;
+ }
+ printf("Current RTC date/time is %d-%d-%d, %02d:%02d:%02d.\n",
+ rtc_tm.tm_mday, rtc_tm.tm_mon + 1, rtc_tm.tm_year + 1900,
+ rtc_tm.tm_hour, rtc_tm.tm_min, rtc_tm.tm_sec);
+
+ /* Set RTC alarm to ALARM_DELTA_SEC sec in the future, and check for rollover */
+ rtc_tm.tm_sec += ALARM_DELTA_SEC;
+ if (rtc_tm.tm_sec >= 60) {
+ rtc_tm.tm_sec %= 60;
+ rtc_tm.tm_min++;
+ }
+ if (rtc_tm.tm_min == 60) {
+ rtc_tm.tm_min = 0;
+ rtc_tm.tm_hour++;
+ }
+ if (rtc_tm.tm_hour == 24)
+ rtc_tm.tm_hour = 0;
+ ret = ioctl(fd_rtc, RTC_ALM_SET, &rtc_tm);
+ if (ret < 0) {
+ perror("Failed to set RTC alarm.");
+ goto out;
+ }
+
+ /* Enable alarm interrupts */
+ ret = ioctl(fd_rtc, RTC_AIE_ON, 0);
+ if (ret < 0) {
+ perror("Failed to enable alarm interrupts.");
+ goto out;
+ }
+ printf("Waiting %d seconds for alarm...\n", ALARM_DELTA_SEC);
+
+ /*
+ * Set RETENTION state with options for PMIC_C/B/A respectively.
+ * Since PMIC_A is master, it should be the last one to be configured.
+ */
+ pmic_opt.ddr_retention = 1;
+ for (i = PMIC_NB - 1 ; i >= 0 ; i--) {
+ printf("Set RETENTION state for PMIC_%d.\n", i);
+ sleep(1);
+ ret = ioctl(fd_pfsm[i], PMIC_SET_RETENTION_STATE, &pmic_opt);
+ if (ret < 0) {
+ perror("Failed to set RETENTION state.");
+ goto out_reset;
+ }
+ }
+
+ /* This blocks until the alarm ring causes an interrupt */
+ ret = read(fd_rtc, &data, sizeof(unsigned long));
+ if (ret < 0)
+ perror("Failed to get RTC alarm.");
+ else
+ puts("Alarm rang.\n");
+
+out_reset:
+ ioctl(fd_rtc, RTC_AIE_OFF, 0);
+
+ /* Set ACTIVE state for PMIC_A */
+ ioctl(fd_pfsm[0], PMIC_SET_ACTIVE_STATE, 0);
+
+out:
+ for (i = 0 ; i < PMIC_NB ; i++)
+ if (fd_pfsm[i])
+ close(fd_pfsm[i]);
+
+ if (fd_rtc)
+ close(fd_rtc);
+
+ return 0;
+}
diff --git a/samples/pktgen/functions.sh b/samples/pktgen/functions.sh
index dd4e53ae9b73..c08cefb8eb1f 100644
--- a/samples/pktgen/functions.sh
+++ b/samples/pktgen/functions.sh
@@ -108,12 +108,13 @@ function pgset() {
fi
}
-if [[ -z "$APPEND" ]]; then
- if [[ $EUID -eq 0 ]]; then
- # Cleanup pktgen setup on exit if thats not "append mode"
- trap 'pg_ctrl "reset"' EXIT
- fi
-fi
+function trap_exit()
+{
+ # Cleanup pktgen setup on exit if thats not "append mode"
+ if [[ -z "$APPEND" ]] && [[ $EUID -eq 0 ]]; then
+ trap 'pg_ctrl "reset"' EXIT
+ fi
+}
## -- General shell tricks --
diff --git a/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh b/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
index 99ec0688b044..b4328db4a164 100755
--- a/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
+++ b/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
@@ -33,6 +33,10 @@ root_check_run_with_sudo "$@"
# Parameter parsing via include
source ${basedir}/parameters.sh
+
+# Trap EXIT first
+trap_exit
+
# Using invalid DST_MAC will cause the packets to get dropped in
# ip_rcv() which is part of the test
if [ -z "$DEST_IP" ]; then
diff --git a/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh b/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
index 04b0dd0c36d6..f2beb512c5cd 100755
--- a/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
+++ b/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
@@ -14,6 +14,10 @@ root_check_run_with_sudo "$@"
# Parameter parsing via include
source ${basedir}/parameters.sh
+
+# Trap EXIT first
+trap_exit
+
if [ -z "$DEST_IP" ]; then
[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
fi
diff --git a/samples/pktgen/pktgen_sample01_simple.sh b/samples/pktgen/pktgen_sample01_simple.sh
index 09a92ea963f9..cdb9f497f87d 100755
--- a/samples/pktgen/pktgen_sample01_simple.sh
+++ b/samples/pktgen/pktgen_sample01_simple.sh
@@ -13,6 +13,10 @@ root_check_run_with_sudo "$@"
# - go look in parameters.sh to see which setting are avail
# - required param is the interface "-i" stored in $DEV
source ${basedir}/parameters.sh
+
+# Trap EXIT first
+trap_exit
+
#
# Set some default params, if they didn't get set
if [ -z "$DEST_IP" ]; then
diff --git a/samples/pktgen/pktgen_sample02_multiqueue.sh b/samples/pktgen/pktgen_sample02_multiqueue.sh
index 7fa41c84c32f..93f33d7d0a81 100755
--- a/samples/pktgen/pktgen_sample02_multiqueue.sh
+++ b/samples/pktgen/pktgen_sample02_multiqueue.sh
@@ -14,6 +14,9 @@ root_check_run_with_sudo "$@"
# Required param: -i dev in $DEV
source ${basedir}/parameters.sh
+# Trap EXIT first
+trap_exit
+
[ -z "$COUNT" ] && COUNT="100000" # Zero means indefinitely
# Base Config
diff --git a/samples/pktgen/pktgen_sample03_burst_single_flow.sh b/samples/pktgen/pktgen_sample03_burst_single_flow.sh
index 8bf2fdffba16..8f8ed1ac46a0 100755
--- a/samples/pktgen/pktgen_sample03_burst_single_flow.sh
+++ b/samples/pktgen/pktgen_sample03_burst_single_flow.sh
@@ -25,6 +25,10 @@ root_check_run_with_sudo "$@"
# Parameter parsing via include
source ${basedir}/parameters.sh
+
+# Trap EXIT first
+trap_exit
+
# Set some default params, if they didn't get set
if [ -z "$DEST_IP" ]; then
[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
diff --git a/samples/pktgen/pktgen_sample04_many_flows.sh b/samples/pktgen/pktgen_sample04_many_flows.sh
index cff51f861506..65ed486ce4f1 100755
--- a/samples/pktgen/pktgen_sample04_many_flows.sh
+++ b/samples/pktgen/pktgen_sample04_many_flows.sh
@@ -12,6 +12,10 @@ root_check_run_with_sudo "$@"
# Parameter parsing via include
source ${basedir}/parameters.sh
+
+# Trap EXIT first
+trap_exit
+
# Set some default params, if they didn't get set
if [ -z "$DEST_IP" ]; then
[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
diff --git a/samples/pktgen/pktgen_sample05_flow_per_thread.sh b/samples/pktgen/pktgen_sample05_flow_per_thread.sh
index 3578d0aa4ac5..bcbc386b2284 100755
--- a/samples/pktgen/pktgen_sample05_flow_per_thread.sh
+++ b/samples/pktgen/pktgen_sample05_flow_per_thread.sh
@@ -16,6 +16,10 @@ root_check_run_with_sudo "$@"
# Parameter parsing via include
source ${basedir}/parameters.sh
+
+# Trap EXIT first
+trap_exit
+
# Set some default params, if they didn't get set
if [ -z "$DEST_IP" ]; then
[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
diff --git a/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh b/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh
index 264cc5db9c49..0c5409cb5bab 100755
--- a/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh
+++ b/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh
@@ -14,6 +14,9 @@ root_check_run_with_sudo "$@"
# Required param: -i dev in $DEV
source ${basedir}/parameters.sh
+# Trap EXIT first
+trap_exit
+
# Base Config
[ -z "$COUNT" ] && COUNT="20000000" # Zero means indefinitely
[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-07 05:53:39 +0300