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test: Add test for new command pci_mps

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Adds a test for the new pci_mps command to ensure that it can set the
Maximum Payload Size (MPS) of all devices to 256 bytes in the sandbox
environment. Enables the pci_mps command in the sandbox environment so
that this test can be run.

Signed-off-by: Stephen Carlson <stcarlso@linux.microsoft.com>
This commit is contained in:
Stephen Carlson 2023-03-10 11:07:15 -08:00 committed by Tom Rini
parent 713db6f6d3
commit 447dfbc063
6 changed files with 60 additions and 0 deletions
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6
MAINTAINERS
View file

@ -1249,6 +1249,12 @@ M: Heiko Schocher <hs@denx.de>
S: Maintained
F: drivers/pci/pci_mpc85xx.c
PCI MPS
M: Stephen Carlson <stcarlso@linux.microsoft.com>
S: Maintained
F: cmd/pci_mps.c
F: test/cmd/pci_mps.c
POWER
M: Jaehoon Chung <jh80.chung@samsung.com>
S: Maintained

1
configs/sandbox_defconfig
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@ -78,6 +78,7 @@ CONFIG_CMD_MMC=y
CONFIG_CMD_MUX=y
CONFIG_CMD_OSD=y
CONFIG_CMD_PCI=y
CONFIG_CMD_PCI_MPS=y
CONFIG_CMD_READ=y
CONFIG_CMD_REMOTEPROC=y
CONFIG_CMD_SPI=y

2
include/test/suites.h
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@ -48,6 +48,8 @@ int do_ut_mem(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
int do_ut_optee(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
int do_ut_overlay(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[]);
int do_ut_pci_mps(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[]);
int do_ut_print(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
int do_ut_seama(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
int do_ut_setexpr(struct cmd_tbl *cmdtp, int flag, int argc,

3
test/cmd/Makefile
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@ -14,6 +14,9 @@ obj-$(CONFIG_CMD_FDT) += fdt.o
obj-$(CONFIG_CONSOLE_TRUETYPE) += font.o
obj-$(CONFIG_CMD_LOADM) += loadm.o
obj-$(CONFIG_CMD_MEM_SEARCH) += mem_search.o
ifdef CONFIG_CMD_PCI
obj-$(CONFIG_CMD_PCI_MPS) += pci_mps.o
endif
obj-$(CONFIG_CMD_PINMUX) += pinmux.o
obj-$(CONFIG_CMD_PWM) += pwm.o
obj-$(CONFIG_CMD_SEAMA) += seama.o

42
test/cmd/pci_mps.c Normal file
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@ -0,0 +1,42 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Tests that the PCI Maximum Payload Size (MPS) command can set the sandbox
* PCI Express device to safe mode and determine the correct payload size.
*
* Copyright 2023 Microsoft
* Written by Stephen Carlson <stcarlso@linux.microsoft.com>
*/
#include <common.h>
#include <console.h>
#include <test/suites.h>
#include <test/ut.h>
#define PCI_MPS_TEST(_name, _flags) UNIT_TEST(_name, _flags, pci_mps_test)
/* Test "pci_mps" command in safe "s" mode */
static int test_pci_mps_safe(struct unit_test_state *uts)
{
/* Enumerate PCI Express first */
ut_assertok(run_command("pci e", 0));
ut_assert_console_end();
/* Test pci_mps s */
ut_assertok(run_command("pci_mps s", 0));
ut_assert_nextline("Setting MPS of all devices to 256B");
ut_assert_console_end();
return 0;
}
PCI_MPS_TEST(test_pci_mps_safe, UT_TESTF_CONSOLE_REC);
int do_ut_pci_mps(struct cmd_tbl *cmdtp, int flag, int argc,
char * const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(pci_mps_test);
const int n = UNIT_TEST_SUITE_COUNT(pci_mps_test);
return cmd_ut_category("cmd_pci_mps", "pci_mps_test_", tests, n,
argc, argv);
}

6
test/cmd_ut.c
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@ -110,6 +110,9 @@ static struct cmd_tbl cmd_ut_sub[] = {
#ifdef CONFIG_CMD_LOADM
U_BOOT_CMD_MKENT(loadm, CONFIG_SYS_MAXARGS, 1, do_ut_loadm, "", ""),
#endif
#ifdef CONFIG_CMD_PCI_MPS
U_BOOT_CMD_MKENT(pci_mps, CONFIG_SYS_MAXARGS, 1, do_ut_pci_mps, "", ""),
#endif
#ifdef CONFIG_CMD_SEAMA
U_BOOT_CMD_MKENT(seama, CONFIG_SYS_MAXARGS, 1, do_ut_seama, "", ""),
#endif
@ -209,6 +212,9 @@ static char ut_help_text[] =
#endif
#ifdef CONFIG_UT_OVERLAY
"\noverlay - device tree overlays"
#endif
#ifdef CONFIG_CMD_PCI_MPS
"\npci_mps - PCI Express Maximum Payload Size"
#endif
"\nprint - printing things to the console"
"\nsetexpr - setexpr command"