Add a function to hunt for a bootdev label and find the bootdev produced by the hunter (or already present).
Add a few extra flags so that we can distinguish between "mmc1", "mmc" and "1" which all need to be handled differently.
Signed-off-by: Simon Glass sjg@chromium.org ---
boot/bootdev-uclass.c | 27 ++++++++- include/bootdev.h | 17 ++++++ include/bootflow.h | 14 ++++- test/boot/bootdev.c | 115 ++++++++++++++++++++++++++++++++++++- test/boot/bootstd_common.c | 19 ++++++ test/boot/bootstd_common.h | 8 +++ 6 files changed, 195 insertions(+), 5 deletions(-)
diff --git a/boot/bootdev-uclass.c b/boot/bootdev-uclass.c index 5ed310c554f..dcaed4c2692 100644 --- a/boot/bootdev-uclass.c +++ b/boot/bootdev-uclass.c @@ -442,6 +442,13 @@ int bootdev_find_by_label(const char *label, struct udevice **devp, if (!ret) { log_debug("- found %s\n", bdev->name); *devp = bdev; + + /* + * if no sequence number was provided, we must scan all + * bootdevs for this media uclass + */ + if (IS_ENABLED(CONFIG_BOOTSTD_FULL) && seq == -1) + method_flags |= BOOTFLOW_METHF_SINGLE_UCLASS; if (method_flagsp) *method_flagsp = method_flags; return 0; @@ -458,7 +465,7 @@ int bootdev_find_by_any(const char *name, struct udevice **devp, { struct udevice *dev; int method_flags = 0; - int ret, seq; + int ret = -ENODEV, seq; char *endp;
seq = simple_strtol(name, &endp, 16); @@ -480,8 +487,9 @@ int bootdev_find_by_any(const char *name, struct udevice **devp, ret); return log_msg_ret("pro", ret); } - } else { + } else if (IS_ENABLED(CONFIG_BOOTSTD_FULL)) { ret = uclass_get_device_by_seq(UCLASS_BOOTDEV, seq, &dev); + method_flags |= BOOTFLOW_METHF_SINGLE_DEV; } if (ret) { printf("Cannot find '%s' (err=%d)\n", name, ret); @@ -495,6 +503,21 @@ int bootdev_find_by_any(const char *name, struct udevice **devp, return 0; }
+int bootdev_hunt_and_find_by_label(const char *label, struct udevice **devp, + int *method_flagsp) +{ + int ret; + + ret = bootdev_hunt(label, false); + if (ret) + return log_msg_ret("scn", ret); + ret = bootdev_find_by_label(label, devp, method_flagsp); + if (ret) + return log_msg_ret("fnd", ret); + + return 0; +} + static int default_get_bootflow(struct udevice *dev, struct bootflow_iter *iter, struct bootflow *bflow) { diff --git a/include/bootdev.h b/include/bootdev.h index 65d14f24686..b1e320a7d8e 100644 --- a/include/bootdev.h +++ b/include/bootdev.h @@ -316,6 +316,23 @@ int bootdev_hunt(const char *spec, bool show); */ int bootdev_hunt_prio(enum bootdev_prio_t prio, bool show);
+/** + * bootdev_hunt_and_find_by_label() - Hunt for bootdevs by label + * + * Runs the hunter for the label, then tries to find the bootdev, possible + * created by the hunter + * + * @label: Label to look up (e.g. "mmc1" or "mmc0") + * @devp: Returns the bootdev device found, or NULL if none (note it does not + * return the media device, but its bootdev child) + * @method_flagsp: If non-NULL, returns any flags implied by the label + * (enum bootflow_meth_flags_t), 0 if none. Unset if function fails + * Return: 0 if OK, -EINVAL if the uclass is not supported by this board, + * -ENOENT if there is no device with that number + */ +int bootdev_hunt_and_find_by_label(const char *label, struct udevice **devp, + int *method_flagsp); + #if CONFIG_IS_ENABLED(BOOTSTD) /** * bootdev_setup_for_dev() - Bind a new bootdev device (deprecated) diff --git a/include/bootflow.h b/include/bootflow.h index b3d7509a6d5..a912088deb0 100644 --- a/include/bootflow.h +++ b/include/bootflow.h @@ -88,7 +88,10 @@ struct bootflow { * Internal flags: * @BOOTFLOWF_SINGLE_DEV: (internal) Just scan one bootdev * @BOOTFLOWF_SKIP_GLOBAL: (internal) Don't scan global bootmeths - * this uclass + * @BOOTFLOWF_SINGLE_UCLASS: (internal) Keep scanning through all devices in + * this uclass (used with things like "mmc") + * @BOOTFLOWF_SINGLE_MEDIA: (internal) Scan one media device in the uclass (used + * with things like "mmc1") */ enum bootflow_flags_t { BOOTFLOWF_FIXED = 1 << 0, @@ -102,6 +105,8 @@ enum bootflow_flags_t { */ BOOTFLOWF_SINGLE_DEV = 1 << 16, BOOTFLOWF_SKIP_GLOBAL = 1 << 17, + BOOTFLOWF_SINGLE_UCLASS = 1 << 18, + BOOTFLOWF_SINGLE_MEDIA = 1 << 19, };
/** @@ -113,10 +118,17 @@ enum bootflow_flags_t { * * @BOOTFLOW_METHF_DHCP_ONLY: Only use dhcp (scripts and EFI) * @BOOTFLOW_METHF_PXE_ONLY: Only use pxe (PXE boot) + * @BOOTFLOW_METHF_SINGLE_DEV: Scan only a single bootdev (used for labels like + * "3"). This is used if a sequence number is provided instead of a label + * @BOOTFLOW_METHF_SINGLE_UCLASS: Scan all bootdevs in this one uclass (used + * with things like "mmc"). If this is not set, then the bootdev has an integer + * value in the label (like "mmc2") */ enum bootflow_meth_flags_t { BOOTFLOW_METHF_DHCP_ONLY = 1 << 0, BOOTFLOW_METHF_PXE_ONLY = 1 << 1, + BOOTFLOW_METHF_SINGLE_DEV = 1 << 2, + BOOTFLOW_METHF_SINGLE_UCLASS = 1 << 3, };
/** diff --git a/test/boot/bootdev.c b/test/boot/bootdev.c index 86607f7695e..1fa0909e893 100644 --- a/test/boot/bootdev.c +++ b/test/boot/bootdev.c @@ -113,9 +113,11 @@ static int bootdev_test_labels(struct unit_test_state *uts)
/* Check method flags */ ut_assertok(bootdev_find_by_label("pxe", &dev, &mflags)); - ut_asserteq(BOOTFLOW_METHF_PXE_ONLY, mflags); + ut_asserteq(BOOTFLOW_METHF_SINGLE_UCLASS | BOOTFLOW_METHF_PXE_ONLY, + mflags); ut_assertok(bootdev_find_by_label("dhcp", &dev, &mflags)); - ut_asserteq(BOOTFLOW_METHF_DHCP_ONLY, mflags); + ut_asserteq(BOOTFLOW_METHF_SINGLE_UCLASS | BOOTFLOW_METHF_DHCP_ONLY, + mflags);
/* Check invalid uclass */ ut_asserteq(-EINVAL, bootdev_find_by_label("fred0", &dev, &mflags)); @@ -128,6 +130,62 @@ static int bootdev_test_labels(struct unit_test_state *uts) BOOTSTD_TEST(bootdev_test_labels, UT_TESTF_DM | UT_TESTF_SCAN_FDT | UT_TESTF_ETH_BOOTDEV);
+/* Check bootdev_find_by_any() */ +static int bootdev_test_any(struct unit_test_state *uts) +{ + struct udevice *dev, *media; + int mflags; + + /* + * with ethernet enabled we have 8 devices ahead of the mmc ones: + * + * ut_assertok(run_command("bootdev list", 0)); + * Seq Probed Status Uclass Name + * --- ------ ------ -------- ------------------ + * 0 [ + ] OK ethernet eth@10002000.bootdev + * 1 [ ] OK ethernet eth@10003000.bootdev + * 2 [ ] OK ethernet sbe5.bootdev + * 3 [ ] OK ethernet eth@10004000.bootdev + * 4 [ ] OK ethernet phy-test-eth.bootdev + * 5 [ ] OK ethernet dsa-test-eth.bootdev + * 6 [ ] OK ethernet dsa-test@0.bootdev + * 7 [ ] OK ethernet dsa-test@1.bootdev + * 8 [ ] OK mmc mmc2.bootdev + * 9 [ + ] OK mmc mmc1.bootdev + * a [ ] OK mmc mmc0.bootdev + */ + console_record_reset_enable(); + ut_assertok(bootdev_find_by_any("8", &dev, &mflags)); + ut_asserteq(UCLASS_BOOTDEV, device_get_uclass_id(dev)); + ut_asserteq(BOOTFLOW_METHF_SINGLE_DEV, mflags); + media = dev_get_parent(dev); + ut_asserteq(UCLASS_MMC, device_get_uclass_id(media)); + ut_asserteq_str("mmc2", media->name); + ut_assert_console_end(); + + /* there should not be this many bootdevs */ + ut_asserteq(-ENODEV, bootdev_find_by_any("50", &dev, &mflags)); + ut_assert_nextline("Cannot find '50' (err=-19)"); + ut_assert_console_end(); + + /* Check method flags */ + ut_assertok(bootdev_find_by_any("pxe", &dev, &mflags)); + ut_asserteq(BOOTFLOW_METHF_SINGLE_UCLASS | BOOTFLOW_METHF_PXE_ONLY, + mflags); + + /* Check invalid uclass */ + mflags = 123; + ut_asserteq(-EINVAL, bootdev_find_by_any("fred0", &dev, &mflags)); + ut_assert_nextline("Unknown uclass 'fred0' in label"); + ut_assert_nextline("Cannot find bootdev 'fred0' (err=-22)"); + ut_asserteq(123, mflags); + ut_assert_console_end(); + + return 0; +} +BOOTSTD_TEST(bootdev_test_any, UT_TESTF_DM | UT_TESTF_SCAN_FDT | + UT_TESTF_ETH_BOOTDEV); + /* Check bootdev ordering with the bootdev-order property */ static int bootdev_test_order(struct unit_test_state *uts) { @@ -399,3 +457,56 @@ static int bootdev_test_hunt_prio(struct unit_test_state *uts) return 0; } BOOTSTD_TEST(bootdev_test_hunt_prio, UT_TESTF_DM | UT_TESTF_SCAN_FDT); + +/* Check hunting for bootdevs with a particular label */ +static int bootdev_test_hunt_label(struct unit_test_state *uts) +{ + struct udevice *dev, *old; + struct bootstd_priv *std; + int mflags; + + /* get access to the used hunters */ + ut_assertok(bootstd_get_priv(&std)); + + /* scan an unknown uclass */ + console_record_reset_enable(); + old = (void *)&mflags; /* arbitrary pointer to check against dev */ + dev = old; + mflags = 123; + ut_asserteq(-EINVAL, + bootdev_hunt_and_find_by_label("fred", &dev, &mflags)); + ut_assert_nextline("Unknown uclass 'fred' in label"); + ut_asserteq_ptr(old, dev); + ut_asserteq(123, mflags); + ut_assert_console_end(); + ut_asserteq(0, std->hunters_used); + + /* scan an invalid mmc controllers */ + ut_asserteq(-ENOENT, + bootdev_hunt_and_find_by_label("mmc4", &dev, &mflags)); + ut_asserteq_ptr(old, dev); + ut_asserteq(123, mflags); + ut_assert_nextline("Unknown seq 4 for label 'mmc4'"); + ut_assert_console_end(); + + ut_assertok(bootstd_test_check_mmc_hunter(uts)); + + /* scan for a particular mmc controller */ + ut_assertok(bootdev_hunt_and_find_by_label("mmc1", &dev, &mflags)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc1.bootdev", dev->name); + ut_asserteq(0, mflags); + ut_assert_console_end(); + + /* scan all of usb */ + test_set_skip_delays(true); + ut_assertok(bootdev_hunt_and_find_by_label("usb", &dev, &mflags)); + ut_assertnonnull(dev); + ut_asserteq_str("usb_mass_storage.lun0.bootdev", dev->name); + ut_asserteq(BOOTFLOW_METHF_SINGLE_UCLASS, mflags); + ut_assert_nextlinen("Bus usb@1: scanning bus usb@1"); + ut_assert_console_end(); + + return 0; +} +BOOTSTD_TEST(bootdev_test_hunt_label, UT_TESTF_DM | UT_TESTF_SCAN_FDT); diff --git a/test/boot/bootstd_common.c b/test/boot/bootstd_common.c index 7a40836507a..e71a2975c53 100644 --- a/test/boot/bootstd_common.c +++ b/test/boot/bootstd_common.c @@ -7,6 +7,7 @@ */
#include <common.h> +#include <bootdev.h> #include <bootstd.h> #include <dm.h> #include <memalign.h> @@ -67,6 +68,24 @@ int bootstd_test_drop_bootdev_order(struct unit_test_state *uts) return 0; }
+int bootstd_test_check_mmc_hunter(struct unit_test_state *uts) +{ + struct bootdev_hunter *start, *mmc; + struct bootstd_priv *std; + uint seq; + + /* get access to the used hunters */ + ut_assertok(bootstd_get_priv(&std)); + + /* check that the hunter was used */ + start = ll_entry_start(struct bootdev_hunter, bootdev_hunter); + mmc = BOOTDEV_HUNTER_GET(mmc_bootdev_hunter); + seq = mmc - start; + ut_asserteq(BIT(seq), std->hunters_used); + + return 0; +} + int do_ut_bootstd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct unit_test *tests = UNIT_TEST_SUITE_START(bootstd_test); diff --git a/test/boot/bootstd_common.h b/test/boot/bootstd_common.h index c5e0fd1ceab..0eb48fa1537 100644 --- a/test/boot/bootstd_common.h +++ b/test/boot/bootstd_common.h @@ -40,4 +40,12 @@ int bootstd_test_drop_bootdev_order(struct unit_test_state *uts); */ int bootstd_setup_for_tests(void);
+/** + * bootstd_test_check_mmc_hunter() - Check that the mmc bootdev hunter was used + * + * @uts: Unit test state to use for ut_assert...() functions + * Returns: 0 if OK (used), other value on error (not used) + */ +int bootstd_test_check_mmc_hunter(struct unit_test_state *uts); + #endif