diff options
| author | Jan200101 <sentrycraft123@gmail.com> | 2021-09-23 19:55:36 +0200 |
|---|---|---|
| committer | Jan200101 <sentrycraft123@gmail.com> | 2021-09-23 19:55:36 +0200 |
| commit | 9fb6bf821ee9fc909ed3348cdab0d13d4621bd05 (patch) | |
| tree | 8e11b5e2bffba325071cec5ac0b402da891dcdf7 /SOURCES/patch-5.13-redhat.patch | |
| parent | f79cd94d7370f65ca81d9897d1bfbb2f220c467a (diff) | |
| download | kernel-fsync-9fb6bf821ee9fc909ed3348cdab0d13d4621bd05.tar.gz kernel-fsync-9fb6bf821ee9fc909ed3348cdab0d13d4621bd05.zip | |
kernel 5.14.7
Diffstat (limited to 'SOURCES/patch-5.13-redhat.patch')
| -rw-r--r-- | SOURCES/patch-5.13-redhat.patch | 4567 |
1 files changed, 0 insertions, 4567 deletions
diff --git a/SOURCES/patch-5.13-redhat.patch b/SOURCES/patch-5.13-redhat.patch deleted file mode 100644 index f15e0e4..0000000 --- a/SOURCES/patch-5.13-redhat.patch +++ /dev/null @@ -1,4567 +0,0 @@ - Documentation/admin-guide/kdump/kdump.rst | 11 + - Makefile | 1 + - arch/arm/Kconfig | 4 +- - arch/arm64/Kconfig | 3 +- - .../boot/dts/rockchip/rk3399-pinebook-pro.dts | 2 +- - arch/arm64/kernel/acpi.c | 2 +- - arch/s390/include/asm/ipl.h | 1 + - arch/s390/kernel/ipl.c | 5 + - arch/s390/kernel/setup.c | 4 + - arch/x86/kernel/setup.c | 22 +- - drivers/acpi/apei/hest.c | 8 + - drivers/acpi/device_pm.c | 32 ++ - drivers/acpi/internal.h | 9 + - drivers/acpi/irq.c | 17 +- - drivers/acpi/scan.c | 9 + - drivers/acpi/x86/s2idle.c | 157 ++++-- - drivers/acpi/x86/utils.c | 25 + - drivers/ata/libahci.c | 18 + - drivers/char/ipmi/ipmi_dmi.c | 15 + - drivers/char/ipmi/ipmi_msghandler.c | 16 +- - drivers/firmware/efi/Makefile | 1 + - drivers/firmware/efi/efi.c | 124 +++-- - drivers/firmware/efi/secureboot.c | 38 ++ - drivers/gpu/drm/i915/display/intel_dp.c | 12 +- - drivers/gpu/drm/i915/display/intel_psr.c | 7 + - drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 11 + - drivers/hid/hid-rmi.c | 64 --- - drivers/hwtracing/coresight/coresight-etm4x-core.c | 19 + - drivers/input/rmi4/rmi_driver.c | 124 +++-- - drivers/iommu/iommu.c | 22 + - drivers/net/wireguard/main.c | 6 + - drivers/nvme/host/pci.c | 28 +- - drivers/pci/quirks.c | 24 + - drivers/platform/x86/amd-pmc.c | 204 +++++++- - drivers/scsi/smartpqi/smartpqi_init.c | 16 + - drivers/usb/core/hub.c | 7 + - include/linux/acpi.h | 5 + - include/linux/efi.h | 22 +- - include/linux/lsm_hook_defs.h | 2 + - include/linux/lsm_hooks.h | 6 + - include/linux/rmi.h | 1 + - include/linux/security.h | 5 + - init/Kconfig | 2 +- - kernel/crash_core.c | 28 +- - kernel/module_signing.c | 9 +- - security/integrity/platform_certs/load_uefi.c | 6 +- - security/lockdown/Kconfig | 13 + - security/lockdown/lockdown.c | 1 + - security/security.c | 6 + - sound/soc/intel/boards/sof_rt5682.c | 14 + - sound/soc/intel/boards/sof_sdw.c | 12 + - sound/soc/intel/boards/sof_sdw_max98373.c | 4 +- - sound/soc/sof/sof-pci-dev.c | 9 + - tools/testing/selftests/bpf/Makefile | 1 - - tools/testing/selftests/bpf/prog_tests/atomics.c | 246 ---------- - .../testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | 280 ----------- - .../testing/selftests/bpf/prog_tests/kfunc_call.c | 59 --- - .../selftests/bpf/prog_tests/linked_funcs.c | 42 -- - .../testing/selftests/bpf/prog_tests/linked_maps.c | 30 -- - .../testing/selftests/bpf/prog_tests/linked_vars.c | 43 -- - .../selftests/bpf/prog_tests/static_linked.c | 40 -- - tools/testing/selftests/bpf/progs/bpf_cubic.c | 545 --------------------- - tools/testing/selftests/bpf/progs/bpf_dctcp.c | 224 --------- - .../testing/selftests/bpf/progs/kfunc_call_test.c | 47 -- - .../selftests/bpf/progs/kfunc_call_test_subprog.c | 42 -- - tools/testing/selftests/bpf/progs/linked_funcs1.c | 73 --- - tools/testing/selftests/bpf/progs/linked_funcs2.c | 73 --- - tools/testing/selftests/bpf/progs/linked_maps1.c | 82 ---- - tools/testing/selftests/bpf/progs/linked_maps2.c | 76 --- - tools/testing/selftests/bpf/progs/linked_vars1.c | 54 -- - tools/testing/selftests/bpf/progs/linked_vars2.c | 55 --- - .../selftests/bpf/progs/test_static_linked1.c | 30 -- - .../selftests/bpf/progs/test_static_linked2.c | 31 -- - 73 files changed, 937 insertions(+), 2349 deletions(-) - -diff --git a/Documentation/admin-guide/kdump/kdump.rst b/Documentation/admin-guide/kdump/kdump.rst -index 75a9dd98e76e..3ff3291551f9 100644 ---- a/Documentation/admin-guide/kdump/kdump.rst -+++ b/Documentation/admin-guide/kdump/kdump.rst -@@ -285,6 +285,17 @@ This would mean: - 2) if the RAM size is between 512M and 2G (exclusive), then reserve 64M - 3) if the RAM size is larger than 2G, then reserve 128M - -+Or you can use crashkernel=auto if you have enough memory. The threshold -+is 2G on x86_64, arm64, ppc64 and ppc64le. The threshold is 4G for s390x. -+If your system memory is less than the threshold crashkernel=auto will not -+reserve memory. -+ -+The automatically reserved memory size varies based on architecture. -+The size changes according to system memory size like below: -+ x86_64: 1G-64G:160M,64G-1T:256M,1T-:512M -+ s390x: 4G-64G:160M,64G-1T:256M,1T-:512M -+ arm64: 2G-:512M -+ ppc64: 2G-4G:384M,4G-16G:512M,16G-64G:1G,64G-128G:2G,128G-:4G - - - Boot into System Kernel -diff --git a/Makefile b/Makefile -index 528a5c37bc8d..137829fa1f2f 100644 ---- a/Makefile -+++ b/Makefile -@@ -513,6 +513,7 @@ KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE - KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ - -Werror=implicit-function-declaration -Werror=implicit-int \ -+ -Wno-address-of-packed-member \ - -Werror=return-type -Wno-format-security \ - -std=gnu89 - KBUILD_CPPFLAGS := -D__KERNEL__ -diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig -index 24804f11302d..fd5ff3fa0d5b 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1484,9 +1484,9 @@ config HIGHMEM - If unsure, say n. - - config HIGHPTE -- bool "Allocate 2nd-level pagetables from highmem" if EXPERT -+ bool "Allocate 2nd-level pagetables from highmem" - depends on HIGHMEM -- default y -+ default n - help - The VM uses one page of physical memory for each page table. - For systems with a lot of processes, this can use a lot of -diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig -index 9f1d8566bbf9..ebb24a713210 100644 ---- a/arch/arm64/Kconfig -+++ b/arch/arm64/Kconfig -@@ -921,7 +921,7 @@ endchoice - - config ARM64_FORCE_52BIT - bool "Force 52-bit virtual addresses for userspace" -- depends on ARM64_VA_BITS_52 && EXPERT -+ depends on ARM64_VA_BITS_52 - help - For systems with 52-bit userspace VAs enabled, the kernel will attempt - to maintain compatibility with older software by providing 48-bit VAs -@@ -1165,6 +1165,7 @@ config XEN - config FORCE_MAX_ZONEORDER - int - default "14" if ARM64_64K_PAGES -+ default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES && !RHEL_DIFFERENCES) - default "12" if ARM64_16K_PAGES - default "11" - help -diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts -index 2b5f001ff4a6..dcdb3cd75be7 100644 ---- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts -+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts -@@ -386,7 +386,7 @@ mains_charger: dc-charger { - }; - - &cdn_dp { -- status = "okay"; -+ status = "disabled"; - }; - - &cpu_b0 { -diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c -index cada0b816c8a..0fc840d6b0fb 100644 ---- a/arch/arm64/kernel/acpi.c -+++ b/arch/arm64/kernel/acpi.c -@@ -40,7 +40,7 @@ int acpi_pci_disabled = 1; /* skip ACPI PCI scan and IRQ initialization */ - EXPORT_SYMBOL(acpi_pci_disabled); - - static bool param_acpi_off __initdata; --static bool param_acpi_on __initdata; -+static bool param_acpi_on __initdata = true; - static bool param_acpi_force __initdata; - - static int __init parse_acpi(char *arg) -diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h -index a9e2c7295b35..6ff11f3a2d47 100644 ---- a/arch/s390/include/asm/ipl.h -+++ b/arch/s390/include/asm/ipl.h -@@ -127,6 +127,7 @@ int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf, - unsigned char flags, unsigned short cert); - int ipl_report_add_certificate(struct ipl_report *report, void *key, - unsigned long addr, unsigned long len); -+bool ipl_get_secureboot(void); - - /* - * DIAG 308 support -diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c -index dba04fbc37a2..f809ab6441fd 100644 ---- a/arch/s390/kernel/ipl.c -+++ b/arch/s390/kernel/ipl.c -@@ -2215,3 +2215,8 @@ int ipl_report_free(struct ipl_report *report) - } - - #endif -+ -+bool ipl_get_secureboot(void) -+{ -+ return !!ipl_secure_flag; -+} -diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c -index 93538e63fa03..60e4b4275dc4 100644 ---- a/arch/s390/kernel/setup.c -+++ b/arch/s390/kernel/setup.c -@@ -49,6 +49,7 @@ - #include <linux/memory.h> - #include <linux/compat.h> - #include <linux/start_kernel.h> -+#include <linux/security.h> - #include <linux/hugetlb.h> - - #include <asm/boot_data.h> -@@ -1114,6 +1115,9 @@ void __init setup_arch(char **cmdline_p) - - log_component_list(); - -+ if (ipl_get_secureboot()) -+ security_lock_kernel_down("Secure IPL mode", LOCKDOWN_INTEGRITY_MAX); -+ - /* Have one command line that is parsed and saved in /proc/cmdline */ - /* boot_command_line has been already set up in early.c */ - *cmdline_p = boot_command_line; -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index 1e720626069a..8419cc38a146 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -18,6 +18,7 @@ - #include <linux/root_dev.h> - #include <linux/hugetlb.h> - #include <linux/tboot.h> -+#include <linux/security.h> - #include <linux/usb/xhci-dbgp.h> - #include <linux/static_call.h> - #include <linux/swiotlb.h> -@@ -962,6 +963,13 @@ void __init setup_arch(char **cmdline_p) - if (efi_enabled(EFI_BOOT)) - efi_init(); - -+ efi_set_secure_boot(boot_params.secure_boot); -+ -+#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT -+ if (efi_enabled(EFI_SECURE_BOOT)) -+ security_lock_kernel_down("EFI Secure Boot mode", LOCKDOWN_INTEGRITY_MAX); -+#endif -+ - dmi_setup(); - - /* -@@ -1126,19 +1134,7 @@ void __init setup_arch(char **cmdline_p) - /* Allocate bigger log buffer */ - setup_log_buf(1); - -- if (efi_enabled(EFI_BOOT)) { -- switch (boot_params.secure_boot) { -- case efi_secureboot_mode_disabled: -- pr_info("Secure boot disabled\n"); -- break; -- case efi_secureboot_mode_enabled: -- pr_info("Secure boot enabled\n"); -- break; -- default: -- pr_info("Secure boot could not be determined\n"); -- break; -- } -- } -+ efi_set_secure_boot(boot_params.secure_boot); - - reserve_initrd(); - -diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c -index 277f00b288d1..adbce15c273d 100644 ---- a/drivers/acpi/apei/hest.c -+++ b/drivers/acpi/apei/hest.c -@@ -94,6 +94,14 @@ int apei_hest_parse(apei_hest_func_t func, void *data) - if (hest_disable || !hest_tab) - return -EINVAL; - -+#ifdef CONFIG_ARM64 -+ /* Ignore broken firmware */ -+ if (!strncmp(hest_tab->header.oem_id, "HPE ", 6) && -+ !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) && -+ MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM) -+ return -EINVAL; -+#endif -+ - hest_hdr = (struct acpi_hest_header *)(hest_tab + 1); - for (i = 0; i < hest_tab->error_source_count; i++) { - len = hest_esrc_len(hest_hdr); -diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c -index 9d2d3b9bb8b5..0cfdef2fc3ad 100644 ---- a/drivers/acpi/device_pm.c -+++ b/drivers/acpi/device_pm.c -@@ -1338,4 +1338,36 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) - return 1; - } - EXPORT_SYMBOL_GPL(acpi_dev_pm_attach); -+ -+/** -+ * acpi_storage_d3 - Check if D3 should be used in the suspend path -+ * @dev: Device to check -+ * -+ * Return %true if the platform firmware wants @dev to be programmed -+ * into D3hot or D3cold (if supported) in the suspend path, or %false -+ * when there is no specific preference. On some platforms, if this -+ * hint is ignored, @dev may remain unresponsive after suspending the -+ * platform as a whole. -+ * -+ * Although the property has storage in the name it actually is -+ * applied to the PCIe slot and plugging in a non-storage device the -+ * same platform restrictions will likely apply. -+ */ -+bool acpi_storage_d3(struct device *dev) -+{ -+ struct acpi_device *adev = ACPI_COMPANION(dev); -+ u8 val; -+ -+ if (force_storage_d3()) -+ return true; -+ -+ if (!adev) -+ return false; -+ if (fwnode_property_read_u8(acpi_fwnode_handle(adev), "StorageD3Enable", -+ &val)) -+ return false; -+ return val == 1; -+} -+EXPORT_SYMBOL_GPL(acpi_storage_d3); -+ - #endif /* CONFIG_PM */ -diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h -index e21611c9a170..7ac01b03ba67 100644 ---- a/drivers/acpi/internal.h -+++ b/drivers/acpi/internal.h -@@ -236,6 +236,15 @@ static inline int suspend_nvs_save(void) { return 0; } - static inline void suspend_nvs_restore(void) {} - #endif - -+#ifdef CONFIG_X86 -+bool force_storage_d3(void); -+#else -+static inline bool force_storage_d3(void) -+{ -+ return false; -+} -+#endif -+ - /*-------------------------------------------------------------------------- - Device properties - -------------------------------------------------------------------------- */ -diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c -index c68e694fca26..146cba5ae5bc 100644 ---- a/drivers/acpi/irq.c -+++ b/drivers/acpi/irq.c -@@ -130,6 +130,7 @@ struct acpi_irq_parse_one_ctx { - unsigned int index; - unsigned long *res_flags; - struct irq_fwspec *fwspec; -+ bool skip_producer_check; - }; - - /** -@@ -201,7 +202,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - return AE_CTRL_TERMINATE; - case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: - eirq = &ares->data.extended_irq; -- if (eirq->producer_consumer == ACPI_PRODUCER) -+ if (!ctx->skip_producer_check && -+ eirq->producer_consumer == ACPI_PRODUCER) - return AE_OK; - if (ctx->index >= eirq->interrupt_count) { - ctx->index -= eirq->interrupt_count; -@@ -236,8 +238,19 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - static int acpi_irq_parse_one(acpi_handle handle, unsigned int index, - struct irq_fwspec *fwspec, unsigned long *flags) - { -- struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec }; -+ struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec, false }; - -+ /* -+ * Firmware on arm64-based HPE m400 platform incorrectly marks -+ * its UART interrupt as ACPI_PRODUCER rather than ACPI_CONSUMER. -+ * Don't do the producer/consumer check for that device. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64)) { -+ struct acpi_device *adev = acpi_bus_get_acpi_device(handle); -+ -+ if (adev && !strcmp(acpi_device_hid(adev), "APMC0D08")) -+ ctx.skip_producer_check = true; -+ } - acpi_walk_resources(handle, METHOD_NAME__CRS, acpi_irq_parse_one_cb, &ctx); - return ctx.rc; - } -diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c -index 438df8da6d12..d5343c0075f8 100644 ---- a/drivers/acpi/scan.c -+++ b/drivers/acpi/scan.c -@@ -1641,6 +1641,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) - if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids)) - return false; - -+ /* -+ * Firmware on some arm64 X-Gene platforms will make the UART -+ * device appear as both a UART and a slave of that UART. Just -+ * bail out here for X-Gene UARTs. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64) && -+ !strcmp(acpi_device_hid(device), "APMC0D08")) -+ return false; -+ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, - acpi_check_serial_bus_slave, -diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c -index 2d7ddb8a8cb6..1c507804fb10 100644 ---- a/drivers/acpi/x86/s2idle.c -+++ b/drivers/acpi/x86/s2idle.c -@@ -32,6 +32,9 @@ static const struct acpi_device_id lps0_device_ids[] = { - {"", }, - }; - -+/* Microsoft platform agnostic UUID */ -+#define ACPI_LPS0_DSM_UUID_MICROSOFT "11e00d56-ce64-47ce-837b-1f898f9aa461" -+ - #define ACPI_LPS0_DSM_UUID "c4eb40a0-6cd2-11e2-bcfd-0800200c9a66" - - #define ACPI_LPS0_GET_DEVICE_CONSTRAINTS 1 -@@ -39,6 +42,8 @@ static const struct acpi_device_id lps0_device_ids[] = { - #define ACPI_LPS0_SCREEN_ON 4 - #define ACPI_LPS0_ENTRY 5 - #define ACPI_LPS0_EXIT 6 -+#define ACPI_LPS0_MS_ENTRY 7 -+#define ACPI_LPS0_MS_EXIT 8 - - /* AMD */ - #define ACPI_LPS0_DSM_UUID_AMD "e3f32452-febc-43ce-9039-932122d37721" -@@ -49,7 +54,10 @@ static const struct acpi_device_id lps0_device_ids[] = { - - static acpi_handle lps0_device_handle; - static guid_t lps0_dsm_guid; --static char lps0_dsm_func_mask; -+static int lps0_dsm_func_mask; -+ -+static guid_t lps0_dsm_guid_microsoft; -+static int lps0_dsm_func_mask_microsoft; - - /* Device constraint entry structure */ - struct lpi_device_info { -@@ -70,15 +78,7 @@ struct lpi_constraints { - int min_dstate; - }; - --/* AMD */ --/* Device constraint entry structure */ --struct lpi_device_info_amd { -- int revision; -- int count; -- union acpi_object *package; --}; -- --/* Constraint package structure */ -+/* AMD Constraint package structure */ - struct lpi_device_constraint_amd { - char *name; - int enabled; -@@ -96,15 +96,15 @@ static void lpi_device_get_constraints_amd(void) - int i, j, k; - - out_obj = acpi_evaluate_dsm_typed(lps0_device_handle, &lps0_dsm_guid, -- 1, ACPI_LPS0_GET_DEVICE_CONSTRAINTS, -+ rev_id, ACPI_LPS0_GET_DEVICE_CONSTRAINTS, - NULL, ACPI_TYPE_PACKAGE); - -- if (!out_obj) -- return; -- - acpi_handle_debug(lps0_device_handle, "_DSM function 1 eval %s\n", - out_obj ? "successful" : "failed"); - -+ if (!out_obj) -+ return; -+ - for (i = 0; i < out_obj->package.count; i++) { - union acpi_object *package = &out_obj->package.elements[i]; - -@@ -317,14 +317,15 @@ static void lpi_check_constraints(void) - } - } - --static void acpi_sleep_run_lps0_dsm(unsigned int func) -+static void acpi_sleep_run_lps0_dsm(unsigned int func, unsigned int func_mask, guid_t dsm_guid) - { - union acpi_object *out_obj; - -- if (!(lps0_dsm_func_mask & (1 << func))) -+ if (!(func_mask & (1 << func))) - return; - -- out_obj = acpi_evaluate_dsm(lps0_device_handle, &lps0_dsm_guid, rev_id, func, NULL); -+ out_obj = acpi_evaluate_dsm(lps0_device_handle, &dsm_guid, -+ rev_id, func, NULL); - ACPI_FREE(out_obj); - - acpi_handle_debug(lps0_device_handle, "_DSM function %u evaluation %s\n", -@@ -336,11 +337,33 @@ static bool acpi_s2idle_vendor_amd(void) - return boot_cpu_data.x86_vendor == X86_VENDOR_AMD; - } - -+static int validate_dsm(acpi_handle handle, const char *uuid, int rev, guid_t *dsm_guid) -+{ -+ union acpi_object *obj; -+ int ret = -EINVAL; -+ -+ guid_parse(uuid, dsm_guid); -+ obj = acpi_evaluate_dsm(handle, dsm_guid, rev, 0, NULL); -+ -+ /* Check if the _DSM is present and as expected. */ -+ if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length == 0 || -+ obj->buffer.length > sizeof(u32)) { -+ acpi_handle_debug(handle, -+ "_DSM UUID %s rev %d function 0 evaluation failed\n", uuid, rev); -+ goto out; -+ } -+ -+ ret = *(int *)obj->buffer.pointer; -+ acpi_handle_debug(handle, "_DSM UUID %s rev %d function mask: 0x%x\n", uuid, rev, ret); -+ -+out: -+ ACPI_FREE(obj); -+ return ret; -+} -+ - static int lps0_device_attach(struct acpi_device *adev, - const struct acpi_device_id *not_used) - { -- union acpi_object *out_obj; -- - if (lps0_device_handle) - return 0; - -@@ -348,28 +371,36 @@ static int lps0_device_attach(struct acpi_device *adev, - return 0; - - if (acpi_s2idle_vendor_amd()) { -- guid_parse(ACPI_LPS0_DSM_UUID_AMD, &lps0_dsm_guid); -- out_obj = acpi_evaluate_dsm(adev->handle, &lps0_dsm_guid, 0, 0, NULL); -+ /* AMD0004, AMDI0005: -+ * - Should use rev_id 0x0 -+ * - function mask > 0x3: Should use AMD method, but has off by one bug -+ * - function mask = 0x3: Should use Microsoft method -+ * AMDI0006: -+ * - should use rev_id 0x0 -+ * - function mask = 0x3: Should use Microsoft method -+ */ -+ const char *hid = acpi_device_hid(adev); - rev_id = 0; -+ lps0_dsm_func_mask = validate_dsm(adev->handle, -+ ACPI_LPS0_DSM_UUID_AMD, rev_id, &lps0_dsm_guid); -+ lps0_dsm_func_mask_microsoft = validate_dsm(adev->handle, -+ ACPI_LPS0_DSM_UUID_MICROSOFT, rev_id, -+ &lps0_dsm_guid_microsoft); -+ if (lps0_dsm_func_mask > 0x3 && (!strcmp(hid, "AMD0004") || -+ !strcmp(hid, "AMDI0005"))) { -+ lps0_dsm_func_mask = (lps0_dsm_func_mask << 1) | 0x1; -+ acpi_handle_debug(adev->handle, "_DSM UUID %s: Adjusted function mask: 0x%x\n", -+ ACPI_LPS0_DSM_UUID_AMD, lps0_dsm_func_mask); -+ } - } else { -- guid_parse(ACPI_LPS0_DSM_UUID, &lps0_dsm_guid); -- out_obj = acpi_evaluate_dsm(adev->handle, &lps0_dsm_guid, 1, 0, NULL); - rev_id = 1; -+ lps0_dsm_func_mask = validate_dsm(adev->handle, -+ ACPI_LPS0_DSM_UUID, rev_id, &lps0_dsm_guid); -+ lps0_dsm_func_mask_microsoft = -EINVAL; - } - -- /* Check if the _DSM is present and as expected. */ -- if (!out_obj || out_obj->type != ACPI_TYPE_BUFFER) { -- acpi_handle_debug(adev->handle, -- "_DSM function 0 evaluation failed\n"); -- return 0; -- } -- -- lps0_dsm_func_mask = *(char *)out_obj->buffer.pointer; -- -- ACPI_FREE(out_obj); -- -- acpi_handle_debug(adev->handle, "_DSM function mask: 0x%x\n", -- lps0_dsm_func_mask); -+ if (lps0_dsm_func_mask < 0 && lps0_dsm_func_mask_microsoft < 0) -+ return 0; //function evaluation failed - - lps0_device_handle = adev->handle; - -@@ -386,11 +417,15 @@ static int lps0_device_attach(struct acpi_device *adev, - mem_sleep_current = PM_SUSPEND_TO_IDLE; - - /* -- * Some LPS0 systems, like ASUS Zenbook UX430UNR/i7-8550U, require the -- * EC GPE to be enabled while suspended for certain wakeup devices to -- * work, so mark it as wakeup-capable. -+ * Some Intel based LPS0 systems, like ASUS Zenbook UX430UNR/i7-8550U don't -+ * use intel-hid or intel-vbtn but require the EC GPE to be enabled while -+ * suspended for certain wakeup devices to work, so mark it as wakeup-capable. -+ * -+ * Only enable on !AMD as enabling this universally causes problems for a number -+ * of AMD based systems. - */ -- acpi_ec_mark_gpe_for_wake(); -+ if (!acpi_s2idle_vendor_amd()) -+ acpi_ec_mark_gpe_for_wake(); - - return 0; - } -@@ -408,12 +443,23 @@ int acpi_s2idle_prepare_late(void) - if (pm_debug_messages_on) - lpi_check_constraints(); - -- if (acpi_s2idle_vendor_amd()) { -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF_AMD); -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY_AMD); -+ if (lps0_dsm_func_mask_microsoft > 0) { -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF, -+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT, -+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY, -+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); -+ } else if (acpi_s2idle_vendor_amd()) { -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF_AMD, -+ lps0_dsm_func_mask, lps0_dsm_guid); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY_AMD, -+ lps0_dsm_func_mask, lps0_dsm_guid); - } else { -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF); -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF, -+ lps0_dsm_func_mask, lps0_dsm_guid); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY, -+ lps0_dsm_func_mask, lps0_dsm_guid); - } - - return 0; -@@ -424,12 +470,23 @@ void acpi_s2idle_restore_early(void) - if (!lps0_device_handle || sleep_no_lps0) - return; - -- if (acpi_s2idle_vendor_amd()) { -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT_AMD); -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON_AMD); -+ if (lps0_dsm_func_mask_microsoft > 0) { -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT, -+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_ENTRY, -+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON, -+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); -+ } else if (acpi_s2idle_vendor_amd()) { -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT_AMD, -+ lps0_dsm_func_mask, lps0_dsm_guid); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON_AMD, -+ lps0_dsm_func_mask, lps0_dsm_guid); - } else { -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT); -- acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT, -+ lps0_dsm_func_mask, lps0_dsm_guid); -+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON, -+ lps0_dsm_func_mask, lps0_dsm_guid); - } - } - -diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c -index bdc1ba00aee9..f22f23933063 100644 ---- a/drivers/acpi/x86/utils.c -+++ b/drivers/acpi/x86/utils.c -@@ -135,3 +135,28 @@ bool acpi_device_always_present(struct acpi_device *adev) - - return ret; - } -+ -+/* -+ * AMD systems from Renoir and Lucienne *require* that the NVME controller -+ * is put into D3 over a Modern Standby / suspend-to-idle cycle. -+ * -+ * This is "typically" accomplished using the `StorageD3Enable` -+ * property in the _DSD that is checked via the `acpi_storage_d3` function -+ * but this property was introduced after many of these systems launched -+ * and most OEM systems don't have it in their BIOS. -+ * -+ * The Microsoft documentation for StorageD3Enable mentioned that Windows has -+ * a hardcoded allowlist for D3 support, which was used for these platforms. -+ * -+ * This allows quirking on Linux in a similar fashion. -+ */ -+static const struct x86_cpu_id storage_d3_cpu_ids[] = { -+ X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 96, NULL), /* Renoir */ -+ X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 104, NULL), /* Lucienne */ -+ {} -+}; -+ -+bool force_storage_d3(void) -+{ -+ return x86_match_cpu(storage_d3_cpu_ids); -+} -diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c -index fec2e9754aed..bea4e2973259 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -671,6 +671,24 @@ int ahci_stop_engine(struct ata_port *ap) - tmp &= ~PORT_CMD_START; - writel(tmp, port_mmio + PORT_CMD); - -+#ifdef CONFIG_ARM64 -+ /* Rev Ax of Cavium CN99XX needs a hack for port stop */ -+ if (dev_is_pci(ap->host->dev) && -+ to_pci_dev(ap->host->dev)->vendor == 0x14e4 && -+ to_pci_dev(ap->host->dev)->device == 0x9027 && -+ midr_is_cpu_model_range(read_cpuid_id(), -+ MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN), -+ MIDR_CPU_VAR_REV(0, 0), -+ MIDR_CPU_VAR_REV(0, MIDR_REVISION_MASK))) { -+ tmp = readl(hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp | (1 << 26), hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp & ~(1 << 26), hpriv->mmio + 0x8000); -+ dev_warn(ap->host->dev, "CN99XX SATA reset workaround applied\n"); -+ } -+#endif -+ - /* wait for engine to stop. This could be as long as 500 msec */ - tmp = ata_wait_register(ap, port_mmio + PORT_CMD, - PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500); -diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c -index bbf7029e224b..cf7faa970dd6 100644 ---- a/drivers/char/ipmi/ipmi_dmi.c -+++ b/drivers/char/ipmi/ipmi_dmi.c -@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void) - { - const struct dmi_device *dev = NULL; - -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return 0; -+ } -+ /* END RHEL-only */ -+#endif -+ - while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev))) - dmi_decode_ipmi((const struct dmi_header *) dev->device_data); - -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index 8a0e97b33cae..32e4b183d102 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -34,6 +34,7 @@ - #include <linux/uuid.h> - #include <linux/nospec.h> - #include <linux/vmalloc.h> -+#include <linux/dmi.h> - #include <linux/delay.h> - - #define IPMI_DRIVER_VERSION "39.2" -@@ -5159,8 +5160,21 @@ static int __init ipmi_init_msghandler_mod(void) - { - int rv; - -- pr_info("version " IPMI_DRIVER_VERSION "\n"); -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); - -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return -ENOSYS; -+ } -+ /* END RHEL-only */ -+#endif -+ pr_info("version " IPMI_DRIVER_VERSION "\n"); - mutex_lock(&ipmi_interfaces_mutex); - rv = ipmi_register_driver(); - mutex_unlock(&ipmi_interfaces_mutex); -diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile -index 467e94259679..9b6f5b8e5397 100644 ---- a/drivers/firmware/efi/Makefile -+++ b/drivers/firmware/efi/Makefile -@@ -28,6 +28,7 @@ obj-$(CONFIG_EFI_FAKE_MEMMAP) += fake_map.o - obj-$(CONFIG_EFI_BOOTLOADER_CONTROL) += efibc.o - obj-$(CONFIG_EFI_TEST) += test/ - obj-$(CONFIG_EFI_DEV_PATH_PARSER) += dev-path-parser.o -+obj-$(CONFIG_EFI) += secureboot.o - obj-$(CONFIG_APPLE_PROPERTIES) += apple-properties.o - obj-$(CONFIG_EFI_RCI2_TABLE) += rci2-table.o - obj-$(CONFIG_EFI_EMBEDDED_FIRMWARE) += embedded-firmware.o -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index 847f33ffc4ae..363037f8eaf8 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -31,6 +31,7 @@ - #include <linux/ucs2_string.h> - #include <linux/memblock.h> - #include <linux/security.h> -+#include <linux/bsearch.h> - - #include <asm/early_ioremap.h> - -@@ -841,40 +842,101 @@ int efi_mem_type(unsigned long phys_addr) - } - #endif - -+struct efi_error_code { -+ efi_status_t status; -+ int errno; -+ const char *description; -+}; -+ -+static const struct efi_error_code efi_error_codes[] = { -+ { EFI_SUCCESS, 0, "Success"}, -+#if 0 -+ { EFI_LOAD_ERROR, -EPICK_AN_ERRNO, "Load Error"}, -+#endif -+ { EFI_INVALID_PARAMETER, -EINVAL, "Invalid Parameter"}, -+ { EFI_UNSUPPORTED, -ENOSYS, "Unsupported"}, -+ { EFI_BAD_BUFFER_SIZE, -ENOSPC, "Bad Buffer Size"}, -+ { EFI_BUFFER_TOO_SMALL, -ENOSPC, "Buffer Too Small"}, -+ { EFI_NOT_READY, -EAGAIN, "Not Ready"}, -+ { EFI_DEVICE_ERROR, -EIO, "Device Error"}, -+ { EFI_WRITE_PROTECTED, -EROFS, "Write Protected"}, -+ { EFI_OUT_OF_RESOURCES, -ENOMEM, "Out of Resources"}, -+#if 0 -+ { EFI_VOLUME_CORRUPTED, -EPICK_AN_ERRNO, "Volume Corrupt"}, -+ { EFI_VOLUME_FULL, -EPICK_AN_ERRNO, "Volume Full"}, -+ { EFI_NO_MEDIA, -EPICK_AN_ERRNO, "No Media"}, -+ { EFI_MEDIA_CHANGED, -EPICK_AN_ERRNO, "Media changed"}, -+#endif -+ { EFI_NOT_FOUND, -ENOENT, "Not Found"}, -+#if 0 -+ { EFI_ACCESS_DENIED, -EPICK_AN_ERRNO, "Access Denied"}, -+ { EFI_NO_RESPONSE, -EPICK_AN_ERRNO, "No Response"}, -+ { EFI_NO_MAPPING, -EPICK_AN_ERRNO, "No mapping"}, -+ { EFI_TIMEOUT, -EPICK_AN_ERRNO, "Time out"}, -+ { EFI_NOT_STARTED, -EPICK_AN_ERRNO, "Not started"}, -+ { EFI_ALREADY_STARTED, -EPICK_AN_ERRNO, "Already started"}, -+#endif -+ { EFI_ABORTED, -EINTR, "Aborted"}, -+#if 0 -+ { EFI_ICMP_ERROR, -EPICK_AN_ERRNO, "ICMP Error"}, -+ { EFI_TFTP_ERROR, -EPICK_AN_ERRNO, "TFTP Error"}, -+ { EFI_PROTOCOL_ERROR, -EPICK_AN_ERRNO, "Protocol Error"}, -+ { EFI_INCOMPATIBLE_VERSION, -EPICK_AN_ERRNO, "Incompatible Version"}, -+#endif -+ { EFI_SECURITY_VIOLATION, -EACCES, "Security Policy Violation"}, -+#if 0 -+ { EFI_CRC_ERROR, -EPICK_AN_ERRNO, "CRC Error"}, -+ { EFI_END_OF_MEDIA, -EPICK_AN_ERRNO, "End of Media"}, -+ { EFI_END_OF_FILE, -EPICK_AN_ERRNO, "End of File"}, -+ { EFI_INVALID_LANGUAGE, -EPICK_AN_ERRNO, "Invalid Languages"}, -+ { EFI_COMPROMISED_DATA, -EPICK_AN_ERRNO, "Compromised Data"}, -+ -+ // warnings -+ { EFI_WARN_UNKOWN_GLYPH, -EPICK_AN_ERRNO, "Warning Unknown Glyph"}, -+ { EFI_WARN_DELETE_FAILURE, -EPICK_AN_ERRNO, "Warning Delete Failure"}, -+ { EFI_WARN_WRITE_FAILURE, -EPICK_AN_ERRNO, "Warning Write Failure"}, -+ { EFI_WARN_BUFFER_TOO_SMALL, -EPICK_AN_ERRNO, "Warning Buffer Too Small"}, -+#endif -+}; -+ -+static int -+efi_status_cmp_bsearch(const void *key, const void *item) -+{ -+ u64 status = (u64)(uintptr_t)key; -+ struct efi_error_code *code = (struct efi_error_code *)item; -+ -+ if (status < code->status) -+ return -1; -+ if (status > code->status) -+ return 1; -+ return 0; -+} -+ - int efi_status_to_err(efi_status_t status) - { -- int err; -- -- switch (status) { -- case EFI_SUCCESS: -- err = 0; -- break; -- case EFI_INVALID_PARAMETER: -- err = -EINVAL; -- break; -- case EFI_OUT_OF_RESOURCES: -- err = -ENOSPC; -- break; -- case EFI_DEVICE_ERROR: -- err = -EIO; -- break; -- case EFI_WRITE_PROTECTED: -- err = -EROFS; -- break; -- case EFI_SECURITY_VIOLATION: -- err = -EACCES; -- break; -- case EFI_NOT_FOUND: -- err = -ENOENT; -- break; -- case EFI_ABORTED: -- err = -EINTR; -- break; -- default: -- err = -EINVAL; -- } -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); - -- return err; -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return -EINVAL; -+ return found->errno; -+} -+ -+const char * -+efi_status_to_str(efi_status_t status) -+{ -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); -+ -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return "Unknown error code"; -+ return found->description; - } - - static DEFINE_SPINLOCK(efi_mem_reserve_persistent_lock); -diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c -new file mode 100644 -index 000000000000..de0a3714a5d4 ---- /dev/null -+++ b/drivers/firmware/efi/secureboot.c -@@ -0,0 +1,38 @@ -+/* Core kernel secure boot support. -+ * -+ * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved. -+ * Written by David Howells (dhowells@redhat.com) -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public Licence -+ * as published by the Free Software Foundation; either version -+ * 2 of the Licence, or (at your option) any later version. -+ */ -+ -+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -+ -+#include <linux/efi.h> -+#include <linux/kernel.h> -+#include <linux/printk.h> -+ -+/* -+ * Decide what to do when UEFI secure boot mode is enabled. -+ */ -+void __init efi_set_secure_boot(enum efi_secureboot_mode mode) -+{ -+ if (efi_enabled(EFI_BOOT)) { -+ switch (mode) { -+ case efi_secureboot_mode_disabled: -+ pr_info("Secure boot disabled\n"); -+ break; -+ case efi_secureboot_mode_enabled: -+ set_bit(EFI_SECURE_BOOT, &efi.flags); -+ pr_info("Secure boot enabled\n"); -+ break; -+ default: -+ pr_warn("Secure boot could not be determined (mode %u)\n", -+ mode); -+ break; -+ } -+ } -+} -diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c -index ddee6d4f07cf..282a1c0f654a 100644 ---- a/drivers/gpu/drm/i915/display/intel_dp.c -+++ b/drivers/gpu/drm/i915/display/intel_dp.c -@@ -1318,14 +1318,16 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, - limits.min_bpp = intel_dp_min_bpp(pipe_config->output_format); - limits.max_bpp = intel_dp_max_bpp(intel_dp, pipe_config); - -- if (intel_dp->use_max_params) { -+ if (intel_dp->use_max_params || -+ intel_dp->dpcd[DP_DPCD_REV] <= DP_DPCD_REV_11) { - /* - * Use the maximum clock and number of lanes the eDP panel - * advertizes being capable of in case the initial fast -- * optimal params failed us. The panels are generally -- * designed to support only a single clock and lane -- * configuration, and typically on older panels these -- * values correspond to the native resolution of the panel. -+ * optimal params failed us or the panel is DP 1.1 or earlier. -+ * The panels are generally designed to support only a single -+ * clock and lane configuration, and typically on older panels -+ * these values correspond to the native resolution of the -+ * panel. - */ - limits.min_lane_count = limits.max_lane_count; - limits.min_clock = limits.max_clock; -diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c -index 8ada4f829cab..4cec6b4d7fb9 100644 ---- a/drivers/gpu/drm/i915/display/intel_psr.c -+++ b/drivers/gpu/drm/i915/display/intel_psr.c -@@ -654,6 +654,13 @@ tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp, - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u32 exit_scanlines; - -+ /* -+ * FIXME: Due to the changed sequence of activating/deactivating DC3CO, -+ * disable DC3CO until the changed dc3co activating/deactivating sequence -+ * is applied. B.Specs:49196 -+ */ -+ return; -+ - /* - * DMC's DC3CO exit mechanism has an issue with Selective Fecth - * TODO: when the issue is addressed, this restriction should be removed. -diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c -index 212bd87c0c4a..b8b066938e48 100644 ---- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c -+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c -@@ -114,6 +114,17 @@ static int rockchip_drm_bind(struct device *dev) - struct rockchip_drm_private *private; - int ret; - -+ /* Remove existing drivers that may own the framebuffer memory. */ -+ ret = drm_fb_helper_remove_conflicting_framebuffers(NULL, -+ "rockchip-drm-fb", -+ false); -+ if (ret) { -+ DRM_DEV_ERROR(dev, -+ "Failed to remove existing framebuffers - %d.\n", -+ ret); -+ return ret; -+ } -+ - drm_dev = drm_dev_alloc(&rockchip_drm_driver, dev); - if (IS_ERR(drm_dev)) - return PTR_ERR(drm_dev); -diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c -index 311eee599ce9..2460c6bd46f8 100644 ---- a/drivers/hid/hid-rmi.c -+++ b/drivers/hid/hid-rmi.c -@@ -322,19 +322,12 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size) - { - struct rmi_data *hdata = hid_get_drvdata(hdev); - struct rmi_device *rmi_dev = hdata->xport.rmi_dev; -- unsigned long flags; - - if (!(test_bit(RMI_STARTED, &hdata->flags))) - return 0; - -- local_irq_save(flags); -- - rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2); - -- generic_handle_irq(hdata->rmi_irq); -- -- local_irq_restore(flags); -- - return 1; - } - -@@ -591,56 +584,6 @@ static const struct rmi_transport_ops hid_rmi_ops = { - .reset = rmi_hid_reset, - }; - --static void rmi_irq_teardown(void *data) --{ -- struct rmi_data *hdata = data; -- struct irq_domain *domain = hdata->domain; -- -- if (!domain) -- return; -- -- irq_dispose_mapping(irq_find_mapping(domain, 0)); -- -- irq_domain_remove(domain); -- hdata->domain = NULL; -- hdata->rmi_irq = 0; --} -- --static int rmi_irq_map(struct irq_domain *h, unsigned int virq, -- irq_hw_number_t hw_irq_num) --{ -- irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq); -- -- return 0; --} -- --static const struct irq_domain_ops rmi_irq_ops = { -- .map = rmi_irq_map, --}; -- --static int rmi_setup_irq_domain(struct hid_device *hdev) --{ -- struct rmi_data *hdata = hid_get_drvdata(hdev); -- int ret; -- -- hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1, -- &rmi_irq_ops, hdata); -- if (!hdata->domain) -- return -ENOMEM; -- -- ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata); -- if (ret) -- return ret; -- -- hdata->rmi_irq = irq_create_mapping(hdata->domain, 0); -- if (hdata->rmi_irq <= 0) { -- hid_err(hdev, "Can't allocate an IRQ\n"); -- return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO; -- } -- -- return 0; --} -- - static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - { - struct rmi_data *data = NULL; -@@ -713,18 +656,11 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - - mutex_init(&data->page_mutex); - -- ret = rmi_setup_irq_domain(hdev); -- if (ret) { -- hid_err(hdev, "failed to allocate IRQ domain\n"); -- return ret; -- } -- - if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS) - rmi_hid_pdata.gpio_data.disable = true; - - data->xport.dev = hdev->dev.parent; - data->xport.pdata = rmi_hid_pdata; -- data->xport.pdata.irq = data->rmi_irq; - data->xport.proto_name = "hid"; - data->xport.ops = &hid_rmi_ops; - -diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c -index db881993c211..92a1ebb9cea3 100644 ---- a/drivers/hwtracing/coresight/coresight-etm4x-core.c -+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c -@@ -9,6 +9,7 @@ - #include <linux/init.h> - #include <linux/types.h> - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/io.h> - #include <linux/err.h> - #include <linux/fs.h> -@@ -2076,6 +2077,16 @@ static const struct amba_id etm4_ids[] = { - {}, - }; - -+static const struct dmi_system_id broken_coresight[] = { -+ { -+ .matches = { -+ DMI_MATCH(DMI_SYS_VENDOR, "HPE"), -+ DMI_MATCH(DMI_PRODUCT_NAME, "Apollo 70"), -+ }, -+ }, -+ { } /* terminating entry */ -+}; -+ - MODULE_DEVICE_TABLE(amba, etm4_ids); - - static struct amba_driver etm4x_amba_driver = { -@@ -2109,6 +2120,11 @@ static int __init etm4x_init(void) - { - int ret; - -+ if (dmi_check_system(broken_coresight)) { -+ pr_info("ETM4 disabled due to firmware bug\n"); -+ return 0; -+ } -+ - ret = etm4_pm_setup(); - - /* etm4_pm_setup() does its own cleanup - exit on error */ -@@ -2135,6 +2151,9 @@ static int __init etm4x_init(void) - - static void __exit etm4x_exit(void) - { -+ if (dmi_check_system(broken_coresight)) -+ return; -+ - amba_driver_unregister(&etm4x_amba_driver); - platform_driver_unregister(&etm4_platform_driver); - etm4_pm_clear(); -diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c -index 258d5fe3d395..f7298e3dc8f3 100644 ---- a/drivers/input/rmi4/rmi_driver.c -+++ b/drivers/input/rmi4/rmi_driver.c -@@ -182,34 +182,47 @@ void rmi_set_attn_data(struct rmi_device *rmi_dev, unsigned long irq_status, - attn_data.data = fifo_data; - - kfifo_put(&drvdata->attn_fifo, attn_data); -+ -+ schedule_work(&drvdata->attn_work); - } - EXPORT_SYMBOL_GPL(rmi_set_attn_data); - --static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+static void attn_callback(struct work_struct *work) - { -- struct rmi_device *rmi_dev = dev_id; -- struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev); -+ struct rmi_driver_data *drvdata = container_of(work, -+ struct rmi_driver_data, -+ attn_work); - struct rmi4_attn_data attn_data = {0}; - int ret, count; - - count = kfifo_get(&drvdata->attn_fifo, &attn_data); -- if (count) { -- *(drvdata->irq_status) = attn_data.irq_status; -- drvdata->attn_data = attn_data; -- } -+ if (!count) -+ return; - -- ret = rmi_process_interrupt_requests(rmi_dev); -+ *(drvdata->irq_status) = attn_data.irq_status; -+ drvdata->attn_data = attn_data; -+ -+ ret = rmi_process_interrupt_requests(drvdata->rmi_dev); - if (ret) -- rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ rmi_dbg(RMI_DEBUG_CORE, &drvdata->rmi_dev->dev, - "Failed to process interrupt request: %d\n", ret); - -- if (count) { -- kfree(attn_data.data); -- drvdata->attn_data.data = NULL; -- } -+ kfree(attn_data.data); -+ drvdata->attn_data.data = NULL; - - if (!kfifo_is_empty(&drvdata->attn_fifo)) -- return rmi_irq_fn(irq, dev_id); -+ schedule_work(&drvdata->attn_work); -+} -+ -+static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+{ -+ struct rmi_device *rmi_dev = dev_id; -+ int ret; -+ -+ ret = rmi_process_interrupt_requests(rmi_dev); -+ if (ret) -+ rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ "Failed to process interrupt request: %d\n", ret); - - return IRQ_HANDLED; - } -@@ -217,7 +230,6 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id) - static int rmi_irq_init(struct rmi_device *rmi_dev) - { - struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev); -- struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); - int irq_flags = irq_get_trigger_type(pdata->irq); - int ret; - -@@ -235,8 +247,6 @@ static int rmi_irq_init(struct rmi_device *rmi_dev) - return ret; - } - -- data->enabled = true; -- - return 0; - } - -@@ -886,23 +896,27 @@ void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake) - if (data->enabled) - goto out; - -- enable_irq(irq); -- data->enabled = true; -- if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = disable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to disable irq for wake: %d\n", -- retval); -- } -+ if (irq) { -+ enable_irq(irq); -+ data->enabled = true; -+ if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = disable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to disable irq for wake: %d\n", -+ retval); -+ } - -- /* -- * Call rmi_process_interrupt_requests() after enabling irq, -- * otherwise we may lose interrupt on edge-triggered systems. -- */ -- irq_flags = irq_get_trigger_type(pdata->irq); -- if (irq_flags & IRQ_TYPE_EDGE_BOTH) -- rmi_process_interrupt_requests(rmi_dev); -+ /* -+ * Call rmi_process_interrupt_requests() after enabling irq, -+ * otherwise we may lose interrupt on edge-triggered systems. -+ */ -+ irq_flags = irq_get_trigger_type(pdata->irq); -+ if (irq_flags & IRQ_TYPE_EDGE_BOTH) -+ rmi_process_interrupt_requests(rmi_dev); -+ } else { -+ data->enabled = true; -+ } - - out: - mutex_unlock(&data->enabled_mutex); -@@ -922,20 +936,22 @@ void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake) - goto out; - - data->enabled = false; -- disable_irq(irq); -- if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = enable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to enable irq for wake: %d\n", -- retval); -- } -- -- /* make sure the fifo is clean */ -- while (!kfifo_is_empty(&data->attn_fifo)) { -- count = kfifo_get(&data->attn_fifo, &attn_data); -- if (count) -- kfree(attn_data.data); -+ if (irq) { -+ disable_irq(irq); -+ if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = enable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to enable irq for wake: %d\n", -+ retval); -+ } -+ } else { -+ /* make sure the fifo is clean */ -+ while (!kfifo_is_empty(&data->attn_fifo)) { -+ count = kfifo_get(&data->attn_fifo, &attn_data); -+ if (count) -+ kfree(attn_data.data); -+ } - } - - out: -@@ -981,6 +997,8 @@ static int rmi_driver_remove(struct device *dev) - irq_domain_remove(data->irqdomain); - data->irqdomain = NULL; - -+ cancel_work_sync(&data->attn_work); -+ - rmi_f34_remove_sysfs(rmi_dev); - rmi_free_function_list(rmi_dev); - -@@ -1219,9 +1237,15 @@ static int rmi_driver_probe(struct device *dev) - } - } - -- retval = rmi_irq_init(rmi_dev); -- if (retval < 0) -- goto err_destroy_functions; -+ if (pdata->irq) { -+ retval = rmi_irq_init(rmi_dev); -+ if (retval < 0) -+ goto err_destroy_functions; -+ } -+ -+ data->enabled = true; -+ -+ INIT_WORK(&data->attn_work, attn_callback); - - if (data->f01_container->dev.driver) { - /* Driver already bound, so enable ATTN now. */ -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index db966a7841fe..8ae7a008b06f 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -7,6 +7,7 @@ - #define pr_fmt(fmt) "iommu: " fmt - - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/kernel.h> - #include <linux/bug.h> - #include <linux/types.h> -@@ -3039,6 +3040,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle) - } - EXPORT_SYMBOL_GPL(iommu_sva_get_pasid); - -+#ifdef CONFIG_ARM64 -+static int __init iommu_quirks(void) -+{ -+ const char *vendor, *name; -+ -+ vendor = dmi_get_system_info(DMI_SYS_VENDOR); -+ name = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (vendor && -+ (strncmp(vendor, "GIGABYTE", 8) == 0 && name && -+ (strncmp(name, "R120", 4) == 0 || -+ strncmp(name, "R270", 4) == 0))) { -+ pr_warn("Gigabyte %s detected, force iommu passthrough mode", name); -+ iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; -+ } -+ -+ return 0; -+} -+arch_initcall(iommu_quirks); -+#endif -+ - /* - * Changes the default domain of an iommu group that has *only* one device - * -diff --git a/drivers/net/wireguard/main.c b/drivers/net/wireguard/main.c -index 75dbe77b0b4b..4bd6dd722f44 100644 ---- a/drivers/net/wireguard/main.c -+++ b/drivers/net/wireguard/main.c -@@ -12,6 +12,7 @@ - - #include <uapi/linux/wireguard.h> - -+#include <linux/fips.h> - #include <linux/init.h> - #include <linux/module.h> - #include <linux/genetlink.h> -@@ -21,6 +22,11 @@ static int __init mod_init(void) - { - int ret; - -+#ifdef CONFIG_RHEL_DIFFERENCES -+ if (fips_enabled) -+ return -EOPNOTSUPP; -+#endif -+ - ret = wg_allowedips_slab_init(); - if (ret < 0) - goto err_allowedips; -diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c -index 01feb1c2278d..ae4591aae2d7 100644 ---- a/drivers/nvme/host/pci.c -+++ b/drivers/nvme/host/pci.c -@@ -2880,32 +2880,6 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) - return 0; - } - --#ifdef CONFIG_ACPI --static bool nvme_acpi_storage_d3(struct pci_dev *dev) --{ -- struct acpi_device *adev = ACPI_COMPANION(&dev->dev); -- u8 val; -- -- /* -- * Look for _DSD property specifying that the storage device on the port -- * must use D3 to support deep platform power savings during -- * suspend-to-idle. -- */ -- -- if (!adev) -- return false; -- if (fwnode_property_read_u8(acpi_fwnode_handle(adev), "StorageD3Enable", -- &val)) -- return false; -- return val == 1; --} --#else --static inline bool nvme_acpi_storage_d3(struct pci_dev *dev) --{ -- return false; --} --#endif /* CONFIG_ACPI */ -- - static void nvme_async_probe(void *data, async_cookie_t cookie) - { - struct nvme_dev *dev = data; -@@ -2955,7 +2929,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) - - quirks |= check_vendor_combination_bug(pdev); - -- if (!noacpi && nvme_acpi_storage_d3(pdev)) { -+ if (!noacpi && acpi_storage_d3(&pdev->dev)) { - /* - * Some systems use a bios work around to ask for D3 on - * platforms that support kernel managed suspend. -diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c -index 1905ee0297a4..58fded74fb31 100644 ---- a/drivers/pci/quirks.c -+++ b/drivers/pci/quirks.c -@@ -4232,6 +4232,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000, - DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084, - quirk_bridge_cavm_thrx2_pcie_root); - -+/* -+ * PCI BAR 5 is not setup correctly for the on-board AHCI controller -+ * on Broadcom's Vulcan processor. Added a quirk to fix BAR 5 by -+ * using BAR 4's resources which are populated correctly and NOT -+ * actually used by the AHCI controller. -+ */ -+static void quirk_fix_vulcan_ahci_bars(struct pci_dev *dev) -+{ -+ struct resource *r = &dev->resource[4]; -+ -+ if (!(r->flags & IORESOURCE_MEM) || (r->start == 0)) -+ return; -+ -+ /* Set BAR5 resource to BAR4 */ -+ dev->resource[5] = *r; -+ -+ /* Update BAR5 in pci config space */ -+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, r->start); -+ -+ /* Clear BAR4's resource */ -+ memset(r, 0, sizeof(*r)); -+} -+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9027, quirk_fix_vulcan_ahci_bars); -+ - /* - * Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero) - * class code. Fix it. -diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c -index ca95c2a52e26..e38e8288468f 100644 ---- a/drivers/platform/x86/amd-pmc.c -+++ b/drivers/platform/x86/amd-pmc.c -@@ -46,26 +46,70 @@ - #define AMD_PMC_RESULT_CMD_UNKNOWN 0xFE - #define AMD_PMC_RESULT_FAILED 0xFF - -+/* FCH SSC Registers */ -+#define FCH_S0I3_ENTRY_TIME_L_OFFSET 0x30 -+#define FCH_S0I3_ENTRY_TIME_H_OFFSET 0x34 -+#define FCH_S0I3_EXIT_TIME_L_OFFSET 0x38 -+#define FCH_S0I3_EXIT_TIME_H_OFFSET 0x3C -+#define FCH_SSC_MAPPING_SIZE 0x800 -+#define FCH_BASE_PHY_ADDR_LOW 0xFED81100 -+#define FCH_BASE_PHY_ADDR_HIGH 0x00000000 -+ -+/* SMU Message Definations */ -+#define SMU_MSG_GETSMUVERSION 0x02 -+#define SMU_MSG_LOG_GETDRAM_ADDR_HI 0x04 -+#define SMU_MSG_LOG_GETDRAM_ADDR_LO 0x05 -+#define SMU_MSG_LOG_START 0x06 -+#define SMU_MSG_LOG_RESET 0x07 -+#define SMU_MSG_LOG_DUMP_DATA 0x08 -+#define SMU_MSG_GET_SUP_CONSTRAINTS 0x09 - /* List of supported CPU ids */ - #define AMD_CPU_ID_RV 0x15D0 - #define AMD_CPU_ID_RN 0x1630 - #define AMD_CPU_ID_PCO AMD_CPU_ID_RV - #define AMD_CPU_ID_CZN AMD_CPU_ID_RN -+#define AMD_CPU_ID_YC 0x14B5 - - #define PMC_MSG_DELAY_MIN_US 100 - #define RESPONSE_REGISTER_LOOP_MAX 200 - -+#define SOC_SUBSYSTEM_IP_MAX 12 -+#define DELAY_MIN_US 2000 -+#define DELAY_MAX_US 3000 - enum amd_pmc_def { - MSG_TEST = 0x01, - MSG_OS_HINT_PCO, - MSG_OS_HINT_RN, - }; - -+struct amd_pmc_bit_map { -+ const char *name; -+ u32 bit_mask; -+}; -+ -+static const struct amd_pmc_bit_map soc15_ip_blk[] = { -+ {"DISPLAY", BIT(0)}, -+ {"CPU", BIT(1)}, -+ {"GFX", BIT(2)}, -+ {"VDD", BIT(3)}, -+ {"ACP", BIT(4)}, -+ {"VCN", BIT(5)}, -+ {"ISP", BIT(6)}, -+ {"NBIO", BIT(7)}, -+ {"DF", BIT(8)}, -+ {"USB0", BIT(9)}, -+ {"USB1", BIT(10)}, -+ {"LAPIC", BIT(11)}, -+ {} -+}; -+ - struct amd_pmc_dev { - void __iomem *regbase; -- void __iomem *smu_base; -+ void __iomem *smu_virt_addr; -+ void __iomem *fch_virt_addr; - u32 base_addr; - u32 cpu_id; -+ u32 active_ips; - struct device *dev; - struct mutex lock; /* generic mutex lock */ - #if IS_ENABLED(CONFIG_DEBUG_FS) -@@ -74,6 +118,7 @@ struct amd_pmc_dev { - }; - - static struct amd_pmc_dev pmc; -+static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg, bool ret); - - static inline u32 amd_pmc_reg_read(struct amd_pmc_dev *dev, int reg_offset) - { -@@ -85,13 +130,76 @@ static inline void amd_pmc_reg_write(struct amd_pmc_dev *dev, int reg_offset, u3 - iowrite32(val, dev->regbase + reg_offset); - } - -+struct smu_metrics { -+ u32 table_version; -+ u32 hint_count; -+ u32 s0i3_cyclecount; -+ u32 timein_s0i2; -+ u64 timeentering_s0i3_lastcapture; -+ u64 timeentering_s0i3_totaltime; -+ u64 timeto_resume_to_os_lastcapture; -+ u64 timeto_resume_to_os_totaltime; -+ u64 timein_s0i3_lastcapture; -+ u64 timein_s0i3_totaltime; -+ u64 timein_swdrips_lastcapture; -+ u64 timein_swdrips_totaltime; -+ u64 timecondition_notmet_lastcapture[SOC_SUBSYSTEM_IP_MAX]; -+ u64 timecondition_notmet_totaltime[SOC_SUBSYSTEM_IP_MAX]; -+} __packed; -+ - #ifdef CONFIG_DEBUG_FS - static int smu_fw_info_show(struct seq_file *s, void *unused) - { -+ struct amd_pmc_dev *dev = s->private; -+ struct smu_metrics table; -+ int idx; -+ -+ if (dev->cpu_id == AMD_CPU_ID_PCO) -+ return -EINVAL; -+ -+ memcpy_fromio(&table, dev->smu_virt_addr, sizeof(struct smu_metrics)); -+ -+ seq_puts(s, "\n=== SMU Statistics ===\n"); -+ seq_printf(s, "Table Version: %d\n", table.table_version); -+ seq_printf(s, "Hint Count: %d\n", table.hint_count); -+ seq_printf(s, "S0i3 Cycle Count: %d\n", table.s0i3_cyclecount); -+ seq_printf(s, "Time (in us) to S0i3: %lld\n", table.timeentering_s0i3_lastcapture); -+ seq_printf(s, "Time (in us) in S0i3: %lld\n", table.timein_s0i3_lastcapture); -+ -+ seq_puts(s, "\n=== Active time (in us) ===\n"); -+ for (idx = 0 ; idx < SOC_SUBSYSTEM_IP_MAX ; idx++) { -+ if (soc15_ip_blk[idx].bit_mask & dev->active_ips) -+ seq_printf(s, "%-8s : %lld\n", soc15_ip_blk[idx].name, -+ table.timecondition_notmet_lastcapture[idx]); -+ } -+ - return 0; - } - DEFINE_SHOW_ATTRIBUTE(smu_fw_info); - -+static int s0ix_stats_show(struct seq_file *s, void *unused) -+{ -+ struct amd_pmc_dev *dev = s->private; -+ u64 entry_time, exit_time, residency; -+ -+ entry_time = ioread32(dev->fch_virt_addr + FCH_S0I3_ENTRY_TIME_H_OFFSET); -+ entry_time = entry_time << 32 | ioread32(dev->fch_virt_addr + FCH_S0I3_ENTRY_TIME_L_OFFSET); -+ -+ exit_time = ioread32(dev->fch_virt_addr + FCH_S0I3_EXIT_TIME_H_OFFSET); -+ exit_time = exit_time << 32 | ioread32(dev->fch_virt_addr + FCH_S0I3_EXIT_TIME_L_OFFSET); -+ -+ /* It's in 48MHz. We need to convert it */ -+ residency = (exit_time - entry_time) / 48; -+ -+ seq_puts(s, "=== S0ix statistics ===\n"); -+ seq_printf(s, "S0ix Entry Time: %lld\n", entry_time); -+ seq_printf(s, "S0ix Exit Time: %lld\n", exit_time); -+ seq_printf(s, "Residency Time: %lld\n", residency); -+ -+ return 0; -+} -+DEFINE_SHOW_ATTRIBUTE(s0ix_stats); -+ - static void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev) - { - debugfs_remove_recursive(dev->dbgfs_dir); -@@ -102,6 +210,8 @@ static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev) - dev->dbgfs_dir = debugfs_create_dir("amd_pmc", NULL); - debugfs_create_file("smu_fw_info", 0644, dev->dbgfs_dir, dev, - &smu_fw_info_fops); -+ debugfs_create_file("s0ix_stats", 0644, dev->dbgfs_dir, dev, -+ &s0ix_stats_fops); - } - #else - static inline void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev) -@@ -113,6 +223,32 @@ static inline void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev) - } - #endif /* CONFIG_DEBUG_FS */ - -+static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev) -+{ -+ u32 phys_addr_low, phys_addr_hi; -+ u64 smu_phys_addr; -+ -+ if (dev->cpu_id == AMD_CPU_ID_PCO) -+ return -EINVAL; -+ -+ /* Get Active devices list from SMU */ -+ amd_pmc_send_cmd(dev, 0, &dev->active_ips, SMU_MSG_GET_SUP_CONSTRAINTS, 1); -+ -+ /* Get dram address */ -+ amd_pmc_send_cmd(dev, 0, &phys_addr_low, SMU_MSG_LOG_GETDRAM_ADDR_LO, 1); -+ amd_pmc_send_cmd(dev, 0, &phys_addr_hi, SMU_MSG_LOG_GETDRAM_ADDR_HI, 1); -+ smu_phys_addr = ((u64)phys_addr_hi << 32 | phys_addr_low); -+ -+ dev->smu_virt_addr = devm_ioremap(dev->dev, smu_phys_addr, sizeof(struct smu_metrics)); -+ if (!dev->smu_virt_addr) -+ return -ENOMEM; -+ -+ /* Start the logging */ -+ amd_pmc_send_cmd(dev, 0, NULL, SMU_MSG_LOG_START, 0); -+ -+ return 0; -+} -+ - static void amd_pmc_dump_registers(struct amd_pmc_dev *dev) - { - u32 value; -@@ -127,10 +263,9 @@ static void amd_pmc_dump_registers(struct amd_pmc_dev *dev) - dev_dbg(dev->dev, "AMD_PMC_REGISTER_MESSAGE:%x\n", value); - } - --static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set) -+static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg, bool ret) - { - int rc; -- u8 msg; - u32 val; - - mutex_lock(&dev->lock); -@@ -150,8 +285,8 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set) - amd_pmc_reg_write(dev, AMD_PMC_REGISTER_ARGUMENT, set); - - /* Write message ID to message ID register */ -- msg = (dev->cpu_id == AMD_CPU_ID_RN) ? MSG_OS_HINT_RN : MSG_OS_HINT_PCO; - amd_pmc_reg_write(dev, AMD_PMC_REGISTER_MESSAGE, msg); -+ - /* Wait until we get a valid response */ - rc = readx_poll_timeout(ioread32, dev->regbase + AMD_PMC_REGISTER_RESPONSE, - val, val != 0, PMC_MSG_DELAY_MIN_US, -@@ -163,6 +298,12 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set) - - switch (val) { - case AMD_PMC_RESULT_OK: -+ -+ if (ret) { -+ /* PMFW may take longer time to return back the data */ -+ usleep_range(DELAY_MIN_US, 10 * DELAY_MAX_US); -+ *data = amd_pmc_reg_read(dev, AMD_PMC_REGISTER_ARGUMENT); -+ } - break; - case AMD_PMC_RESULT_CMD_REJECT_BUSY: - dev_err(dev->dev, "SMU not ready. err: 0x%x\n", val); -@@ -182,32 +323,54 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set) - - out_unlock: - mutex_unlock(&dev->lock); -+ amd_pmc_dump_registers(dev); - return rc; - } - -+static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev) -+{ -+ switch (dev->cpu_id) { -+ case AMD_CPU_ID_PCO: -+ return MSG_OS_HINT_PCO; -+ case AMD_CPU_ID_RN: -+ case AMD_CPU_ID_YC: -+ return MSG_OS_HINT_RN; -+ } -+ return -EINVAL; -+} -+ - static int __maybe_unused amd_pmc_suspend(struct device *dev) - { - struct amd_pmc_dev *pdev = dev_get_drvdata(dev); - int rc; -+ u8 msg; -+ -+ /* Reset and Start SMU logging - to monitor the s0i3 stats */ -+ amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_RESET, 0); -+ amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_START, 0); - -- rc = amd_pmc_send_cmd(pdev, 1); -+ msg = amd_pmc_get_os_hint(pdev); -+ rc = amd_pmc_send_cmd(pdev, 1, NULL, msg, 0); - if (rc) - dev_err(pdev->dev, "suspend failed\n"); - -- amd_pmc_dump_registers(pdev); -- return 0; -+ return rc; - } - - static int __maybe_unused amd_pmc_resume(struct device *dev) - { - struct amd_pmc_dev *pdev = dev_get_drvdata(dev); - int rc; -+ u8 msg; -+ -+ /* Let SMU know that we are looking for stats */ -+ amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, 0); - -- rc = amd_pmc_send_cmd(pdev, 0); -+ msg = amd_pmc_get_os_hint(pdev); -+ rc = amd_pmc_send_cmd(pdev, 0, NULL, msg, 0); - if (rc) - dev_err(pdev->dev, "resume failed\n"); - -- amd_pmc_dump_registers(pdev); - return 0; - } - -@@ -216,6 +379,7 @@ static const struct dev_pm_ops amd_pmc_pm_ops = { - }; - - static const struct pci_device_id pmc_pci_ids[] = { -+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_YC) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CZN) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_RN) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PCO) }, -@@ -227,9 +391,8 @@ static int amd_pmc_probe(struct platform_device *pdev) - { - struct amd_pmc_dev *dev = &pmc; - struct pci_dev *rdev; -- u32 base_addr_lo; -- u32 base_addr_hi; -- u64 base_addr; -+ u32 base_addr_lo, base_addr_hi; -+ u64 base_addr, fch_phys_addr; - int err; - u32 val; - -@@ -279,7 +442,20 @@ static int amd_pmc_probe(struct platform_device *pdev) - if (!dev->regbase) - return -ENOMEM; - -- amd_pmc_dump_registers(dev); -+ mutex_init(&dev->lock); -+ -+ /* Use FCH registers to get the S0ix stats */ -+ base_addr_lo = FCH_BASE_PHY_ADDR_LOW; -+ base_addr_hi = FCH_BASE_PHY_ADDR_HIGH; -+ fch_phys_addr = ((u64)base_addr_hi << 32 | base_addr_lo); -+ dev->fch_virt_addr = devm_ioremap(dev->dev, fch_phys_addr, FCH_SSC_MAPPING_SIZE); -+ if (!dev->fch_virt_addr) -+ return -ENOMEM; -+ -+ /* Use SMU to get the s0i3 debug stats */ -+ err = amd_pmc_setup_smu_logging(dev); -+ if (err) -+ dev_err(dev->dev, "SMU debugging info not supported on this platform\n"); - - mutex_init(&dev->lock); - platform_set_drvdata(pdev, dev); -@@ -298,6 +474,8 @@ static int amd_pmc_remove(struct platform_device *pdev) - - static const struct acpi_device_id amd_pmc_acpi_ids[] = { - {"AMDI0005", 0}, -+ {"AMDI0006", 0}, -+ {"AMDI0007", 0}, - {"AMD0004", 0}, - { } - }; -diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c -index f573517e8f6e..88c5ae02bade 100644 ---- a/drivers/scsi/smartpqi/smartpqi_init.c -+++ b/drivers/scsi/smartpqi/smartpqi_init.c -@@ -8809,6 +8809,18 @@ static const struct pci_device_id pqi_pci_id_table[] = { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - 0x19e5, 0xd22c) - }, -+ { -+ PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, -+ 0x1bd4, 0x004a) -+ }, -+ { -+ PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, -+ 0x1bd4, 0x004b) -+ }, -+ { -+ PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, -+ 0x1bd4, 0x004c) -+ }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_ADAPTEC2, 0x0110) -@@ -9065,6 +9077,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_ADVANTECH, 0x8312) - }, -+ { -+ PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, -+ PCI_VENDOR_ID_ADVANTECH, 0x8312) -+ }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_DELL, 0x1fe0) -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 4e123336e410..22d98f536d90 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -5635,6 +5635,13 @@ static void hub_event(struct work_struct *work) - (u16) hub->change_bits[0], - (u16) hub->event_bits[0]); - -+ /* Don't disconnect USB-SATA on TrimSlice */ -+ if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) { -+ if ((hdev->state == 7) && (hub->change_bits[0] == 0) && -+ (hub->event_bits[0] == 0x2)) -+ hub->event_bits[0] = 0; -+ } -+ - /* Lock the device, then check to see if we were - * disconnected while waiting for the lock to succeed. */ - usb_lock_device(hdev); -diff --git a/include/linux/acpi.h b/include/linux/acpi.h -index c60745f657e9..dd0dafd21e33 100644 ---- a/include/linux/acpi.h -+++ b/include/linux/acpi.h -@@ -1004,6 +1004,7 @@ int acpi_dev_resume(struct device *dev); - int acpi_subsys_runtime_suspend(struct device *dev); - int acpi_subsys_runtime_resume(struct device *dev); - int acpi_dev_pm_attach(struct device *dev, bool power_on); -+bool acpi_storage_d3(struct device *dev); - #else - static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } - static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } -@@ -1011,6 +1012,10 @@ static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) - { - return 0; - } -+static inline bool acpi_storage_d3(struct device *dev) -+{ -+ return false; -+} - #endif - - #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) -diff --git a/include/linux/efi.h b/include/linux/efi.h -index 6b5d36babfcc..fd4a5d66a9d0 100644 ---- a/include/linux/efi.h -+++ b/include/linux/efi.h -@@ -43,6 +43,8 @@ - #define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1))) - #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) - -+#define EFI_IS_ERROR(x) ((x) & (1UL << (BITS_PER_LONG-1))) -+ - typedef unsigned long efi_status_t; - typedef u8 efi_bool_t; - typedef u16 efi_char16_t; /* UNICODE character */ -@@ -782,6 +784,14 @@ extern int __init efi_setup_pcdp_console(char *); - #define EFI_MEM_ATTR 10 /* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */ - #define EFI_MEM_NO_SOFT_RESERVE 11 /* Is the kernel configured to ignore soft reservations? */ - #define EFI_PRESERVE_BS_REGIONS 12 /* Are EFI boot-services memory segments available? */ -+#define EFI_SECURE_BOOT 13 /* Are we in Secure Boot mode? */ -+ -+enum efi_secureboot_mode { -+ efi_secureboot_mode_unset, -+ efi_secureboot_mode_unknown, -+ efi_secureboot_mode_disabled, -+ efi_secureboot_mode_enabled, -+}; - - #ifdef CONFIG_EFI - /* -@@ -793,6 +803,8 @@ static inline bool efi_enabled(int feature) - } - extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); - -+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode); -+ - bool __pure __efi_soft_reserve_enabled(void); - - static inline bool __pure efi_soft_reserve_enabled(void) -@@ -813,6 +825,8 @@ static inline bool efi_enabled(int feature) - static inline void - efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {} - -+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {} -+ - static inline bool efi_soft_reserve_enabled(void) - { - return false; -@@ -825,6 +839,7 @@ static inline bool efi_rt_services_supported(unsigned int mask) - #endif - - extern int efi_status_to_err(efi_status_t status); -+extern const char *efi_status_to_str(efi_status_t status); - - /* - * Variable Attributes -@@ -1077,13 +1092,6 @@ static inline bool efi_runtime_disabled(void) { return true; } - extern void efi_call_virt_check_flags(unsigned long flags, const char *call); - extern unsigned long efi_call_virt_save_flags(void); - --enum efi_secureboot_mode { -- efi_secureboot_mode_unset, -- efi_secureboot_mode_unknown, -- efi_secureboot_mode_disabled, -- efi_secureboot_mode_enabled, --}; -- - static inline - enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var) - { -diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h -index 04c01794de83..26f8df026fa9 100644 ---- a/include/linux/lsm_hook_defs.h -+++ b/include/linux/lsm_hook_defs.h -@@ -395,6 +395,8 @@ LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux) - #endif /* CONFIG_BPF_SYSCALL */ - - LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) -+LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level) -+ - - #ifdef CONFIG_PERF_EVENTS - LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type) -diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h -index 5c4c5c0602cb..753b53038690 100644 ---- a/include/linux/lsm_hooks.h -+++ b/include/linux/lsm_hooks.h -@@ -1545,6 +1545,12 @@ - * - * @what: kernel feature being accessed - * -+ * @lock_kernel_down -+ * Put the kernel into lock-down mode. -+ * -+ * @where: Where the lock-down is originating from (e.g. command line option) -+ * @level: The lock-down level (can only increase) -+ * - * Security hooks for perf events - * - * @perf_event_open: -diff --git a/include/linux/rmi.h b/include/linux/rmi.h -index ab7eea01ab42..fff7c5f737fc 100644 ---- a/include/linux/rmi.h -+++ b/include/linux/rmi.h -@@ -364,6 +364,7 @@ struct rmi_driver_data { - - struct rmi4_attn_data attn_data; - DECLARE_KFIFO(attn_fifo, struct rmi4_attn_data, 16); -+ struct work_struct attn_work; - }; - - int rmi_register_transport_device(struct rmi_transport_dev *xport); -diff --git a/include/linux/security.h b/include/linux/security.h -index 0acd1b68bf30..a02717d46d6d 100644 ---- a/include/linux/security.h -+++ b/include/linux/security.h -@@ -472,6 +472,7 @@ int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen); - int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen); - int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen); - int security_locked_down(enum lockdown_reason what); -+int security_lock_kernel_down(const char *where, enum lockdown_reason level); - #else /* CONFIG_SECURITY */ - - static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data) -@@ -1348,6 +1349,10 @@ static inline int security_locked_down(enum lockdown_reason what) - { - return 0; - } -+static inline int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return 0; -+} - #endif /* CONFIG_SECURITY */ - - #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE) -diff --git a/init/Kconfig b/init/Kconfig -index a61c92066c2e..94107b1d0e3e 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1622,7 +1622,7 @@ config AIO - this option saves about 7k. - - config IO_URING -- bool "Enable IO uring support" if EXPERT -+ bool "Enable IO uring support" - select IO_WQ - default y - help -diff --git a/kernel/crash_core.c b/kernel/crash_core.c -index 684a6061a13a..220579c0e963 100644 ---- a/kernel/crash_core.c -+++ b/kernel/crash_core.c -@@ -7,6 +7,7 @@ - #include <linux/crash_core.h> - #include <linux/utsname.h> - #include <linux/vmalloc.h> -+#include <linux/sizes.h> - - #include <asm/page.h> - #include <asm/sections.h> -@@ -41,6 +42,15 @@ static int __init parse_crashkernel_mem(char *cmdline, - unsigned long long *crash_base) - { - char *cur = cmdline, *tmp; -+ unsigned long long total_mem = system_ram; -+ -+ /* -+ * Firmware sometimes reserves some memory regions for it's own use. -+ * so we get less than actual system memory size. -+ * Workaround this by round up the total size to 128M which is -+ * enough for most test cases. -+ */ -+ total_mem = roundup(total_mem, SZ_128M); - - /* for each entry of the comma-separated list */ - do { -@@ -85,13 +95,13 @@ static int __init parse_crashkernel_mem(char *cmdline, - return -EINVAL; - } - cur = tmp; -- if (size >= system_ram) { -+ if (size >= total_mem) { - pr_warn("crashkernel: invalid size\n"); - return -EINVAL; - } - - /* match ? */ -- if (system_ram >= start && system_ram < end) { -+ if (total_mem >= start && total_mem < end) { - *crash_size = size; - break; - } -@@ -250,6 +260,20 @@ static int __init __parse_crashkernel(char *cmdline, - if (suffix) - return parse_crashkernel_suffix(ck_cmdline, crash_size, - suffix); -+ -+ if (strncmp(ck_cmdline, "auto", 4) == 0) { -+#ifdef CONFIG_X86_64 -+ ck_cmdline = "1G-64G:160M,64G-1T:256M,1T-:512M"; -+#elif defined(CONFIG_S390) -+ ck_cmdline = "4G-64G:160M,64G-1T:256M,1T-:512M"; -+#elif defined(CONFIG_ARM64) -+ ck_cmdline = "2G-:512M"; -+#elif defined(CONFIG_PPC64) -+ ck_cmdline = "2G-4G:384M,4G-16G:512M,16G-64G:1G,64G-128G:2G,128G-:4G"; -+#endif -+ pr_info("Using crashkernel=auto, the size chosen is a best effort estimation.\n"); -+ } -+ - /* - * if the commandline contains a ':', then that's the extended - * syntax -- if not, it must be the classic syntax -diff --git a/kernel/module_signing.c b/kernel/module_signing.c -index 8723ae70ea1f..fb2d773498c2 100644 ---- a/kernel/module_signing.c -+++ b/kernel/module_signing.c -@@ -38,8 +38,15 @@ int mod_verify_sig(const void *mod, struct load_info *info) - modlen -= sig_len + sizeof(ms); - info->len = modlen; - -- return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, - VERIFY_USE_SECONDARY_KEYRING, - VERIFYING_MODULE_SIGNATURE, - NULL, NULL); -+ if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) { -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ VERIFY_USE_PLATFORM_KEYRING, -+ VERIFYING_MODULE_SIGNATURE, -+ NULL, NULL); -+ } -+ return ret; - } -diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c -index f290f78c3f30..d3e7ae04f5be 100644 ---- a/security/integrity/platform_certs/load_uefi.c -+++ b/security/integrity/platform_certs/load_uefi.c -@@ -46,7 +46,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - return NULL; - - if (*status != EFI_BUFFER_TOO_SMALL) { -- pr_err("Couldn't get size: 0x%lx\n", *status); -+ pr_err("Couldn't get size: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -@@ -57,7 +58,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - *status = efi.get_variable(name, guid, NULL, &lsize, db); - if (*status != EFI_SUCCESS) { - kfree(db); -- pr_err("Error reading db var: 0x%lx\n", *status); -+ pr_err("Error reading db var: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -diff --git a/security/lockdown/Kconfig b/security/lockdown/Kconfig -index e84ddf484010..d0501353a4b9 100644 ---- a/security/lockdown/Kconfig -+++ b/security/lockdown/Kconfig -@@ -16,6 +16,19 @@ config SECURITY_LOCKDOWN_LSM_EARLY - subsystem is fully initialised. If enabled, lockdown will - unconditionally be called before any other LSMs. - -+config LOCK_DOWN_IN_EFI_SECURE_BOOT -+ bool "Lock down the kernel in EFI Secure Boot mode" -+ default n -+ depends on EFI && SECURITY_LOCKDOWN_LSM_EARLY -+ help -+ UEFI Secure Boot provides a mechanism for ensuring that the firmware -+ will only load signed bootloaders and kernels. Secure boot mode may -+ be determined from EFI variables provided by the system firmware if -+ not indicated by the boot parameters. -+ -+ Enabling this option results in kernel lockdown being triggered if -+ EFI Secure Boot is set. -+ - choice - prompt "Kernel default lockdown mode" - default LOCK_DOWN_KERNEL_FORCE_NONE -diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c -index 87cbdc64d272..18555cf18da7 100644 ---- a/security/lockdown/lockdown.c -+++ b/security/lockdown/lockdown.c -@@ -73,6 +73,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what) - - static struct security_hook_list lockdown_hooks[] __lsm_ro_after_init = { - LSM_HOOK_INIT(locked_down, lockdown_is_locked_down), -+ LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down), - }; - - static int __init lockdown_lsm_init(void) -diff --git a/security/security.c b/security/security.c -index 0d626c0dafcc..61696b1f5d3f 100644 ---- a/security/security.c -+++ b/security/security.c -@@ -2599,6 +2599,12 @@ int security_locked_down(enum lockdown_reason what) - } - EXPORT_SYMBOL(security_locked_down); - -+int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return call_int_hook(lock_kernel_down, 0, where, level); -+} -+EXPORT_SYMBOL(security_lock_kernel_down); -+ - #ifdef CONFIG_PERF_EVENTS - int security_perf_event_open(struct perf_event_attr *attr, int type) - { -diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c -index 78262c659983..f4b25ae7fd5a 100644 ---- a/sound/soc/intel/boards/sof_rt5682.c -+++ b/sound/soc/intel/boards/sof_rt5682.c -@@ -155,6 +155,20 @@ static const struct dmi_system_id sof_rt5682_quirk_table[] = { - SOF_RT5682_SSP_AMP(2) | - SOF_RT5682_NUM_HDMIDEV(4)), - }, -+ { -+ .callback = sof_rt5682_quirk_cb, -+ .matches = { -+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), -+ DMI_MATCH(DMI_PRODUCT_NAME, "Alder Lake Client Platform"), -+ DMI_MATCH(DMI_OEM_STRING, "AUDIO-ADL_MAX98373_ALC5682I_I2S"), -+ }, -+ .driver_data = (void *)(SOF_RT5682_MCLK_EN | -+ SOF_RT5682_SSP_CODEC(0) | -+ SOF_SPEAKER_AMP_PRESENT | -+ SOF_MAX98373_SPEAKER_AMP_PRESENT | -+ SOF_RT5682_SSP_AMP(2) | -+ SOF_RT5682_NUM_HDMIDEV(4)), -+ }, - {} - }; - -diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c -index 3ca7e1ab48ab..3635d8002ecf 100644 ---- a/sound/soc/intel/boards/sof_sdw.c -+++ b/sound/soc/intel/boards/sof_sdw.c -@@ -128,6 +128,18 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = { - SOF_RT711_JD_SRC_JD2 | - SOF_RT715_DAI_ID_FIX), - }, -+ { -+ /* Dell XPS 9710 */ -+ .callback = sof_sdw_quirk_cb, -+ .matches = { -+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D") -+ }, -+ .driver_data = (void *)(SOF_SDW_TGL_HDMI | -+ SOF_RT711_JD_SRC_JD2 | -+ SOF_RT715_DAI_ID_FIX | -+ SOF_SDW_FOUR_SPK), -+ }, - { - .callback = sof_sdw_quirk_cb, - .matches = { -diff --git a/sound/soc/intel/boards/sof_sdw_max98373.c b/sound/soc/intel/boards/sof_sdw_max98373.c -index 25daef910aee..25f9065b627c 100644 ---- a/sound/soc/intel/boards/sof_sdw_max98373.c -+++ b/sound/soc/intel/boards/sof_sdw_max98373.c -@@ -90,7 +90,7 @@ static int mx8373_enable_spk_pin(struct snd_pcm_substream *substream, bool enabl - - static int mx8373_sdw_prepare(struct snd_pcm_substream *substream) - { -- int ret = 0; -+ int ret; - - /* according to soc_pcm_prepare dai link prepare is called first */ - ret = sdw_prepare(substream); -@@ -102,7 +102,7 @@ static int mx8373_sdw_prepare(struct snd_pcm_substream *substream) - - static int mx8373_sdw_hw_free(struct snd_pcm_substream *substream) - { -- int ret = 0; -+ int ret; - - /* according to soc_pcm_hw_free dai link free is called first */ - ret = sdw_hw_free(substream); -diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c -index 3489dc1b48f6..2bdf3cf37422 100644 ---- a/sound/soc/sof/sof-pci-dev.c -+++ b/sound/soc/sof/sof-pci-dev.c -@@ -50,6 +50,15 @@ static const struct dmi_system_id sof_tplg_table[] = { - }, - .driver_data = "sof-tgl-rt5682-ssp0-max98373-ssp2.tplg", - }, -+ { -+ .callback = sof_tplg_cb, -+ .matches = { -+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), -+ DMI_MATCH(DMI_PRODUCT_NAME, "Alder Lake Client Platform"), -+ DMI_MATCH(DMI_OEM_STRING, "AUDIO-ADL_MAX98373_ALC5682I_I2S"), -+ }, -+ .driver_data = "sof-adl-rt5682-ssp0-max98373-ssp2.tplg", -+ }, - {} - }; - -diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile -index 511259c2c6c5..bd2ca0032883 100644 ---- a/tools/testing/selftests/bpf/Makefile -+++ b/tools/testing/selftests/bpf/Makefile -@@ -409,7 +409,6 @@ $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ - $(TRUNNER_EXTRA_HDRS) \ - $(TRUNNER_BPF_OBJS) \ - $(TRUNNER_BPF_SKELS) \ -- $(TRUNNER_BPF_SKELS_LINKED) \ - $$(BPFOBJ) | $(TRUNNER_OUTPUT) - $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) - $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) -diff --git a/tools/testing/selftests/bpf/prog_tests/atomics.c b/tools/testing/selftests/bpf/prog_tests/atomics.c -deleted file mode 100644 -index 21efe7bbf10d..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/atomics.c -+++ /dev/null -@@ -1,246 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 -- --#include <test_progs.h> -- --#include "atomics.skel.h" -- --static void test_add(struct atomics *skel) --{ -- int err, prog_fd; -- __u32 duration = 0, retval; -- struct bpf_link *link; -- -- link = bpf_program__attach(skel->progs.add); -- if (CHECK(IS_ERR(link), "attach(add)", "err: %ld\n", PTR_ERR(link))) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.add); -- err = bpf_prog_test_run(prog_fd, 1, NULL, 0, -- NULL, NULL, &retval, &duration); -- if (CHECK(err || retval, "test_run add", -- "err %d errno %d retval %d duration %d\n", err, errno, retval, duration)) -- goto cleanup; -- -- ASSERT_EQ(skel->data->add64_value, 3, "add64_value"); -- ASSERT_EQ(skel->bss->add64_result, 1, "add64_result"); -- -- ASSERT_EQ(skel->data->add32_value, 3, "add32_value"); -- ASSERT_EQ(skel->bss->add32_result, 1, "add32_result"); -- -- ASSERT_EQ(skel->bss->add_stack_value_copy, 3, "add_stack_value"); -- ASSERT_EQ(skel->bss->add_stack_result, 1, "add_stack_result"); -- -- ASSERT_EQ(skel->data->add_noreturn_value, 3, "add_noreturn_value"); -- --cleanup: -- bpf_link__destroy(link); --} -- --static void test_sub(struct atomics *skel) --{ -- int err, prog_fd; -- __u32 duration = 0, retval; -- struct bpf_link *link; -- -- link = bpf_program__attach(skel->progs.sub); -- if (CHECK(IS_ERR(link), "attach(sub)", "err: %ld\n", PTR_ERR(link))) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.sub); -- err = bpf_prog_test_run(prog_fd, 1, NULL, 0, -- NULL, NULL, &retval, &duration); -- if (CHECK(err || retval, "test_run sub", -- "err %d errno %d retval %d duration %d\n", -- err, errno, retval, duration)) -- goto cleanup; -- -- ASSERT_EQ(skel->data->sub64_value, -1, "sub64_value"); -- ASSERT_EQ(skel->bss->sub64_result, 1, "sub64_result"); -- -- ASSERT_EQ(skel->data->sub32_value, -1, "sub32_value"); -- ASSERT_EQ(skel->bss->sub32_result, 1, "sub32_result"); -- -- ASSERT_EQ(skel->bss->sub_stack_value_copy, -1, "sub_stack_value"); -- ASSERT_EQ(skel->bss->sub_stack_result, 1, "sub_stack_result"); -- -- ASSERT_EQ(skel->data->sub_noreturn_value, -1, "sub_noreturn_value"); -- --cleanup: -- bpf_link__destroy(link); --} -- --static void test_and(struct atomics *skel) --{ -- int err, prog_fd; -- __u32 duration = 0, retval; -- struct bpf_link *link; -- -- link = bpf_program__attach(skel->progs.and); -- if (CHECK(IS_ERR(link), "attach(and)", "err: %ld\n", PTR_ERR(link))) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.and); -- err = bpf_prog_test_run(prog_fd, 1, NULL, 0, -- NULL, NULL, &retval, &duration); -- if (CHECK(err || retval, "test_run and", -- "err %d errno %d retval %d duration %d\n", err, errno, retval, duration)) -- goto cleanup; -- -- ASSERT_EQ(skel->data->and64_value, 0x010ull << 32, "and64_value"); -- ASSERT_EQ(skel->bss->and64_result, 0x110ull << 32, "and64_result"); -- -- ASSERT_EQ(skel->data->and32_value, 0x010, "and32_value"); -- ASSERT_EQ(skel->bss->and32_result, 0x110, "and32_result"); -- -- ASSERT_EQ(skel->data->and_noreturn_value, 0x010ull << 32, "and_noreturn_value"); --cleanup: -- bpf_link__destroy(link); --} -- --static void test_or(struct atomics *skel) --{ -- int err, prog_fd; -- __u32 duration = 0, retval; -- struct bpf_link *link; -- -- link = bpf_program__attach(skel->progs.or); -- if (CHECK(IS_ERR(link), "attach(or)", "err: %ld\n", PTR_ERR(link))) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.or); -- err = bpf_prog_test_run(prog_fd, 1, NULL, 0, -- NULL, NULL, &retval, &duration); -- if (CHECK(err || retval, "test_run or", -- "err %d errno %d retval %d duration %d\n", -- err, errno, retval, duration)) -- goto cleanup; -- -- ASSERT_EQ(skel->data->or64_value, 0x111ull << 32, "or64_value"); -- ASSERT_EQ(skel->bss->or64_result, 0x110ull << 32, "or64_result"); -- -- ASSERT_EQ(skel->data->or32_value, 0x111, "or32_value"); -- ASSERT_EQ(skel->bss->or32_result, 0x110, "or32_result"); -- -- ASSERT_EQ(skel->data->or_noreturn_value, 0x111ull << 32, "or_noreturn_value"); --cleanup: -- bpf_link__destroy(link); --} -- --static void test_xor(struct atomics *skel) --{ -- int err, prog_fd; -- __u32 duration = 0, retval; -- struct bpf_link *link; -- -- link = bpf_program__attach(skel->progs.xor); -- if (CHECK(IS_ERR(link), "attach(xor)", "err: %ld\n", PTR_ERR(link))) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.xor); -- err = bpf_prog_test_run(prog_fd, 1, NULL, 0, -- NULL, NULL, &retval, &duration); -- if (CHECK(err || retval, "test_run xor", -- "err %d errno %d retval %d duration %d\n", err, errno, retval, duration)) -- goto cleanup; -- -- ASSERT_EQ(skel->data->xor64_value, 0x101ull << 32, "xor64_value"); -- ASSERT_EQ(skel->bss->xor64_result, 0x110ull << 32, "xor64_result"); -- -- ASSERT_EQ(skel->data->xor32_value, 0x101, "xor32_value"); -- ASSERT_EQ(skel->bss->xor32_result, 0x110, "xor32_result"); -- -- ASSERT_EQ(skel->data->xor_noreturn_value, 0x101ull << 32, "xor_nxoreturn_value"); --cleanup: -- bpf_link__destroy(link); --} -- --static void test_cmpxchg(struct atomics *skel) --{ -- int err, prog_fd; -- __u32 duration = 0, retval; -- struct bpf_link *link; -- -- link = bpf_program__attach(skel->progs.cmpxchg); -- if (CHECK(IS_ERR(link), "attach(cmpxchg)", "err: %ld\n", PTR_ERR(link))) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.cmpxchg); -- err = bpf_prog_test_run(prog_fd, 1, NULL, 0, -- NULL, NULL, &retval, &duration); -- if (CHECK(err || retval, "test_run add", -- "err %d errno %d retval %d duration %d\n", err, errno, retval, duration)) -- goto cleanup; -- -- ASSERT_EQ(skel->data->cmpxchg64_value, 2, "cmpxchg64_value"); -- ASSERT_EQ(skel->bss->cmpxchg64_result_fail, 1, "cmpxchg_result_fail"); -- ASSERT_EQ(skel->bss->cmpxchg64_result_succeed, 1, "cmpxchg_result_succeed"); -- -- ASSERT_EQ(skel->data->cmpxchg32_value, 2, "lcmpxchg32_value"); -- ASSERT_EQ(skel->bss->cmpxchg32_result_fail, 1, "cmpxchg_result_fail"); -- ASSERT_EQ(skel->bss->cmpxchg32_result_succeed, 1, "cmpxchg_result_succeed"); -- --cleanup: -- bpf_link__destroy(link); --} -- --static void test_xchg(struct atomics *skel) --{ -- int err, prog_fd; -- __u32 duration = 0, retval; -- struct bpf_link *link; -- -- link = bpf_program__attach(skel->progs.xchg); -- if (CHECK(IS_ERR(link), "attach(xchg)", "err: %ld\n", PTR_ERR(link))) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.xchg); -- err = bpf_prog_test_run(prog_fd, 1, NULL, 0, -- NULL, NULL, &retval, &duration); -- if (CHECK(err || retval, "test_run add", -- "err %d errno %d retval %d duration %d\n", err, errno, retval, duration)) -- goto cleanup; -- -- ASSERT_EQ(skel->data->xchg64_value, 2, "xchg64_value"); -- ASSERT_EQ(skel->bss->xchg64_result, 1, "xchg64_result"); -- -- ASSERT_EQ(skel->data->xchg32_value, 2, "xchg32_value"); -- ASSERT_EQ(skel->bss->xchg32_result, 1, "xchg32_result"); -- --cleanup: -- bpf_link__destroy(link); --} -- --void test_atomics(void) --{ -- struct atomics *skel; -- __u32 duration = 0; -- -- skel = atomics__open_and_load(); -- if (CHECK(!skel, "skel_load", "atomics skeleton failed\n")) -- return; -- -- if (skel->data->skip_tests) { -- printf("%s:SKIP:no ENABLE_ATOMICS_TESTS (missing Clang BPF atomics support)", -- __func__); -- test__skip(); -- goto cleanup; -- } -- -- if (test__start_subtest("add")) -- test_add(skel); -- if (test__start_subtest("sub")) -- test_sub(skel); -- if (test__start_subtest("and")) -- test_and(skel); -- if (test__start_subtest("or")) -- test_or(skel); -- if (test__start_subtest("xor")) -- test_xor(skel); -- if (test__start_subtest("cmpxchg")) -- test_cmpxchg(skel); -- if (test__start_subtest("xchg")) -- test_xchg(skel); -- --cleanup: -- atomics__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c -deleted file mode 100644 -index e25917f04602..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c -+++ /dev/null -@@ -1,280 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2019 Facebook */ -- --#include <linux/err.h> --#include <netinet/tcp.h> --#include <test_progs.h> --#include "bpf_dctcp.skel.h" --#include "bpf_cubic.skel.h" --#include "bpf_tcp_nogpl.skel.h" -- --#define min(a, b) ((a) < (b) ? (a) : (b)) -- --static const unsigned int total_bytes = 10 * 1024 * 1024; --static const struct timeval timeo_sec = { .tv_sec = 10 }; --static const size_t timeo_optlen = sizeof(timeo_sec); --static int expected_stg = 0xeB9F; --static int stop, duration; -- --static int settimeo(int fd) --{ -- int err; -- -- err = setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeo_sec, -- timeo_optlen); -- if (CHECK(err == -1, "setsockopt(fd, SO_RCVTIMEO)", "errno:%d\n", -- errno)) -- return -1; -- -- err = setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo_sec, -- timeo_optlen); -- if (CHECK(err == -1, "setsockopt(fd, SO_SNDTIMEO)", "errno:%d\n", -- errno)) -- return -1; -- -- return 0; --} -- --static int settcpca(int fd, const char *tcp_ca) --{ -- int err; -- -- err = setsockopt(fd, IPPROTO_TCP, TCP_CONGESTION, tcp_ca, strlen(tcp_ca)); -- if (CHECK(err == -1, "setsockopt(fd, TCP_CONGESTION)", "errno:%d\n", -- errno)) -- return -1; -- -- return 0; --} -- --static void *server(void *arg) --{ -- int lfd = (int)(long)arg, err = 0, fd; -- ssize_t nr_sent = 0, bytes = 0; -- char batch[1500]; -- -- fd = accept(lfd, NULL, NULL); -- while (fd == -1) { -- if (errno == EINTR) -- continue; -- err = -errno; -- goto done; -- } -- -- if (settimeo(fd)) { -- err = -errno; -- goto done; -- } -- -- while (bytes < total_bytes && !READ_ONCE(stop)) { -- nr_sent = send(fd, &batch, -- min(total_bytes - bytes, sizeof(batch)), 0); -- if (nr_sent == -1 && errno == EINTR) -- continue; -- if (nr_sent == -1) { -- err = -errno; -- break; -- } -- bytes += nr_sent; -- } -- -- CHECK(bytes != total_bytes, "send", "%zd != %u nr_sent:%zd errno:%d\n", -- bytes, total_bytes, nr_sent, errno); -- --done: -- if (fd != -1) -- close(fd); -- if (err) { -- WRITE_ONCE(stop, 1); -- return ERR_PTR(err); -- } -- return NULL; --} -- --static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map) --{ -- struct sockaddr_in6 sa6 = {}; -- ssize_t nr_recv = 0, bytes = 0; -- int lfd = -1, fd = -1; -- pthread_t srv_thread; -- socklen_t addrlen = sizeof(sa6); -- void *thread_ret; -- char batch[1500]; -- int err; -- -- WRITE_ONCE(stop, 0); -- -- lfd = socket(AF_INET6, SOCK_STREAM, 0); -- if (CHECK(lfd == -1, "socket", "errno:%d\n", errno)) -- return; -- fd = socket(AF_INET6, SOCK_STREAM, 0); -- if (CHECK(fd == -1, "socket", "errno:%d\n", errno)) { -- close(lfd); -- return; -- } -- -- if (settcpca(lfd, tcp_ca) || settcpca(fd, tcp_ca) || -- settimeo(lfd) || settimeo(fd)) -- goto done; -- -- /* bind, listen and start server thread to accept */ -- sa6.sin6_family = AF_INET6; -- sa6.sin6_addr = in6addr_loopback; -- err = bind(lfd, (struct sockaddr *)&sa6, addrlen); -- if (CHECK(err == -1, "bind", "errno:%d\n", errno)) -- goto done; -- err = getsockname(lfd, (struct sockaddr *)&sa6, &addrlen); -- if (CHECK(err == -1, "getsockname", "errno:%d\n", errno)) -- goto done; -- err = listen(lfd, 1); -- if (CHECK(err == -1, "listen", "errno:%d\n", errno)) -- goto done; -- -- if (sk_stg_map) { -- err = bpf_map_update_elem(bpf_map__fd(sk_stg_map), &fd, -- &expected_stg, BPF_NOEXIST); -- if (CHECK(err, "bpf_map_update_elem(sk_stg_map)", -- "err:%d errno:%d\n", err, errno)) -- goto done; -- } -- -- /* connect to server */ -- err = connect(fd, (struct sockaddr *)&sa6, addrlen); -- if (CHECK(err == -1, "connect", "errno:%d\n", errno)) -- goto done; -- -- if (sk_stg_map) { -- int tmp_stg; -- -- err = bpf_map_lookup_elem(bpf_map__fd(sk_stg_map), &fd, -- &tmp_stg); -- if (CHECK(!err || errno != ENOENT, -- "bpf_map_lookup_elem(sk_stg_map)", -- "err:%d errno:%d\n", err, errno)) -- goto done; -- } -- -- err = pthread_create(&srv_thread, NULL, server, (void *)(long)lfd); -- if (CHECK(err != 0, "pthread_create", "err:%d errno:%d\n", err, errno)) -- goto done; -- -- /* recv total_bytes */ -- while (bytes < total_bytes && !READ_ONCE(stop)) { -- nr_recv = recv(fd, &batch, -- min(total_bytes - bytes, sizeof(batch)), 0); -- if (nr_recv == -1 && errno == EINTR) -- continue; -- if (nr_recv == -1) -- break; -- bytes += nr_recv; -- } -- -- CHECK(bytes != total_bytes, "recv", "%zd != %u nr_recv:%zd errno:%d\n", -- bytes, total_bytes, nr_recv, errno); -- -- WRITE_ONCE(stop, 1); -- pthread_join(srv_thread, &thread_ret); -- CHECK(IS_ERR(thread_ret), "pthread_join", "thread_ret:%ld", -- PTR_ERR(thread_ret)); --done: -- close(lfd); -- close(fd); --} -- --static void test_cubic(void) --{ -- struct bpf_cubic *cubic_skel; -- struct bpf_link *link; -- -- cubic_skel = bpf_cubic__open_and_load(); -- if (CHECK(!cubic_skel, "bpf_cubic__open_and_load", "failed\n")) -- return; -- -- link = bpf_map__attach_struct_ops(cubic_skel->maps.cubic); -- if (CHECK(IS_ERR(link), "bpf_map__attach_struct_ops", "err:%ld\n", -- PTR_ERR(link))) { -- bpf_cubic__destroy(cubic_skel); -- return; -- } -- -- do_test("bpf_cubic", NULL); -- -- bpf_link__destroy(link); -- bpf_cubic__destroy(cubic_skel); --} -- --static void test_dctcp(void) --{ -- struct bpf_dctcp *dctcp_skel; -- struct bpf_link *link; -- -- dctcp_skel = bpf_dctcp__open_and_load(); -- if (CHECK(!dctcp_skel, "bpf_dctcp__open_and_load", "failed\n")) -- return; -- -- link = bpf_map__attach_struct_ops(dctcp_skel->maps.dctcp); -- if (CHECK(IS_ERR(link), "bpf_map__attach_struct_ops", "err:%ld\n", -- PTR_ERR(link))) { -- bpf_dctcp__destroy(dctcp_skel); -- return; -- } -- -- do_test("bpf_dctcp", dctcp_skel->maps.sk_stg_map); -- CHECK(dctcp_skel->bss->stg_result != expected_stg, -- "Unexpected stg_result", "stg_result (%x) != expected_stg (%x)\n", -- dctcp_skel->bss->stg_result, expected_stg); -- -- bpf_link__destroy(link); -- bpf_dctcp__destroy(dctcp_skel); --} -- --static char *err_str; --static bool found; -- --static int libbpf_debug_print(enum libbpf_print_level level, -- const char *format, va_list args) --{ -- char *log_buf; -- -- if (level != LIBBPF_WARN || -- strcmp(format, "libbpf: \n%s\n")) { -- vprintf(format, args); -- return 0; -- } -- -- log_buf = va_arg(args, char *); -- if (!log_buf) -- goto out; -- if (err_str && strstr(log_buf, err_str) != NULL) -- found = true; --out: -- printf(format, log_buf); -- return 0; --} -- --static void test_invalid_license(void) --{ -- libbpf_print_fn_t old_print_fn; -- struct bpf_tcp_nogpl *skel; -- -- err_str = "struct ops programs must have a GPL compatible license"; -- found = false; -- old_print_fn = libbpf_set_print(libbpf_debug_print); -- -- skel = bpf_tcp_nogpl__open_and_load(); -- ASSERT_NULL(skel, "bpf_tcp_nogpl"); -- ASSERT_EQ(found, true, "expected_err_msg"); -- -- bpf_tcp_nogpl__destroy(skel); -- libbpf_set_print(old_print_fn); --} -- --void test_bpf_tcp_ca(void) --{ -- if (test__start_subtest("dctcp")) -- test_dctcp(); -- if (test__start_subtest("cubic")) -- test_cubic(); -- if (test__start_subtest("invalid_license")) -- test_invalid_license(); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c -deleted file mode 100644 -index 7fc0951ee75f..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c -+++ /dev/null -@@ -1,59 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ --#include <test_progs.h> --#include <network_helpers.h> --#include "kfunc_call_test.skel.h" --#include "kfunc_call_test_subprog.skel.h" -- --static void test_main(void) --{ -- struct kfunc_call_test *skel; -- int prog_fd, retval, err; -- -- skel = kfunc_call_test__open_and_load(); -- if (!ASSERT_OK_PTR(skel, "skel")) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.kfunc_call_test1); -- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), -- NULL, NULL, (__u32 *)&retval, NULL); -- ASSERT_OK(err, "bpf_prog_test_run(test1)"); -- ASSERT_EQ(retval, 12, "test1-retval"); -- -- prog_fd = bpf_program__fd(skel->progs.kfunc_call_test2); -- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), -- NULL, NULL, (__u32 *)&retval, NULL); -- ASSERT_OK(err, "bpf_prog_test_run(test2)"); -- ASSERT_EQ(retval, 3, "test2-retval"); -- -- kfunc_call_test__destroy(skel); --} -- --static void test_subprog(void) --{ -- struct kfunc_call_test_subprog *skel; -- int prog_fd, retval, err; -- -- skel = kfunc_call_test_subprog__open_and_load(); -- if (!ASSERT_OK_PTR(skel, "skel")) -- return; -- -- prog_fd = bpf_program__fd(skel->progs.kfunc_call_test1); -- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), -- NULL, NULL, (__u32 *)&retval, NULL); -- ASSERT_OK(err, "bpf_prog_test_run(test1)"); -- ASSERT_EQ(retval, 10, "test1-retval"); -- ASSERT_NEQ(skel->data->active_res, -1, "active_res"); -- ASSERT_EQ(skel->data->sk_state, BPF_TCP_CLOSE, "sk_state"); -- -- kfunc_call_test_subprog__destroy(skel); --} -- --void test_kfunc_call(void) --{ -- if (test__start_subtest("main")) -- test_main(); -- -- if (test__start_subtest("subprog")) -- test_subprog(); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/linked_funcs.c b/tools/testing/selftests/bpf/prog_tests/linked_funcs.c -deleted file mode 100644 -index e9916f2817ec..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/linked_funcs.c -+++ /dev/null -@@ -1,42 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <test_progs.h> --#include <sys/syscall.h> --#include "linked_funcs.skel.h" -- --void test_linked_funcs(void) --{ -- int err; -- struct linked_funcs *skel; -- -- skel = linked_funcs__open(); -- if (!ASSERT_OK_PTR(skel, "skel_open")) -- return; -- -- skel->rodata->my_tid = syscall(SYS_gettid); -- skel->bss->syscall_id = SYS_getpgid; -- -- err = linked_funcs__load(skel); -- if (!ASSERT_OK(err, "skel_load")) -- goto cleanup; -- -- err = linked_funcs__attach(skel); -- if (!ASSERT_OK(err, "skel_attach")) -- goto cleanup; -- -- /* trigger */ -- syscall(SYS_getpgid); -- -- ASSERT_EQ(skel->bss->output_val1, 2000 + 2000, "output_val1"); -- ASSERT_EQ(skel->bss->output_ctx1, SYS_getpgid, "output_ctx1"); -- ASSERT_EQ(skel->bss->output_weak1, 42, "output_weak1"); -- -- ASSERT_EQ(skel->bss->output_val2, 2 * 1000 + 2 * (2 * 1000), "output_val2"); -- ASSERT_EQ(skel->bss->output_ctx2, SYS_getpgid, "output_ctx2"); -- /* output_weak2 should never be updated */ -- ASSERT_EQ(skel->bss->output_weak2, 0, "output_weak2"); -- --cleanup: -- linked_funcs__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/linked_maps.c b/tools/testing/selftests/bpf/prog_tests/linked_maps.c -deleted file mode 100644 -index 85dcaaaf2775..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/linked_maps.c -+++ /dev/null -@@ -1,30 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <test_progs.h> --#include <sys/syscall.h> --#include "linked_maps.skel.h" -- --void test_linked_maps(void) --{ -- int err; -- struct linked_maps *skel; -- -- skel = linked_maps__open_and_load(); -- if (!ASSERT_OK_PTR(skel, "skel_open")) -- return; -- -- err = linked_maps__attach(skel); -- if (!ASSERT_OK(err, "skel_attach")) -- goto cleanup; -- -- /* trigger */ -- syscall(SYS_getpgid); -- -- ASSERT_EQ(skel->bss->output_first1, 2000, "output_first1"); -- ASSERT_EQ(skel->bss->output_second1, 2, "output_second1"); -- ASSERT_EQ(skel->bss->output_weak1, 2, "output_weak1"); -- --cleanup: -- linked_maps__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/linked_vars.c b/tools/testing/selftests/bpf/prog_tests/linked_vars.c -deleted file mode 100644 -index 267166abe4c1..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/linked_vars.c -+++ /dev/null -@@ -1,43 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <test_progs.h> --#include <sys/syscall.h> --#include "linked_vars.skel.h" -- --void test_linked_vars(void) --{ -- int err; -- struct linked_vars *skel; -- -- skel = linked_vars__open(); -- if (!ASSERT_OK_PTR(skel, "skel_open")) -- return; -- -- skel->bss->input_bss1 = 1000; -- skel->bss->input_bss2 = 2000; -- skel->bss->input_bss_weak = 3000; -- -- err = linked_vars__load(skel); -- if (!ASSERT_OK(err, "skel_load")) -- goto cleanup; -- -- err = linked_vars__attach(skel); -- if (!ASSERT_OK(err, "skel_attach")) -- goto cleanup; -- -- /* trigger */ -- syscall(SYS_getpgid); -- -- ASSERT_EQ(skel->bss->output_bss1, 1000 + 2000 + 3000, "output_bss1"); -- ASSERT_EQ(skel->bss->output_bss2, 1000 + 2000 + 3000, "output_bss2"); -- /* 10 comes from "winner" input_data_weak in first obj file */ -- ASSERT_EQ(skel->bss->output_data1, 1 + 2 + 10, "output_bss1"); -- ASSERT_EQ(skel->bss->output_data2, 1 + 2 + 10, "output_bss2"); -- /* 100 comes from "winner" input_rodata_weak in first obj file */ -- ASSERT_EQ(skel->bss->output_rodata1, 11 + 22 + 100, "output_weak1"); -- ASSERT_EQ(skel->bss->output_rodata2, 11 + 22 + 100, "output_weak2"); -- --cleanup: -- linked_vars__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/static_linked.c b/tools/testing/selftests/bpf/prog_tests/static_linked.c -deleted file mode 100644 -index 46556976dccc..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/static_linked.c -+++ /dev/null -@@ -1,40 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2019 Facebook */ -- --#include <test_progs.h> --#include "test_static_linked.skel.h" -- --void test_static_linked(void) --{ -- int err; -- struct test_static_linked* skel; -- -- skel = test_static_linked__open(); -- if (!ASSERT_OK_PTR(skel, "skel_open")) -- return; -- -- skel->rodata->rovar1 = 1; -- skel->bss->static_var1 = 2; -- skel->bss->static_var11 = 3; -- -- skel->rodata->rovar2 = 4; -- skel->bss->static_var2 = 5; -- skel->bss->static_var22 = 6; -- -- err = test_static_linked__load(skel); -- if (!ASSERT_OK(err, "skel_load")) -- goto cleanup; -- -- err = test_static_linked__attach(skel); -- if (!ASSERT_OK(err, "skel_attach")) -- goto cleanup; -- -- /* trigger */ -- usleep(1); -- -- ASSERT_EQ(skel->bss->var1, 1 * 2 + 2 + 3, "var1"); -- ASSERT_EQ(skel->bss->var2, 4 * 3 + 5 + 6, "var2"); -- --cleanup: -- test_static_linked__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c -deleted file mode 100644 -index f62df4d023f9..000000000000 ---- a/tools/testing/selftests/bpf/progs/bpf_cubic.c -+++ /dev/null -@@ -1,545 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0-only -- --/* WARNING: This implemenation is not necessarily the same -- * as the tcp_cubic.c. The purpose is mainly for testing -- * the kernel BPF logic. -- * -- * Highlights: -- * 1. CONFIG_HZ .kconfig map is used. -- * 2. In bictcp_update(), calculation is changed to use usec -- * resolution (i.e. USEC_PER_JIFFY) instead of using jiffies. -- * Thus, usecs_to_jiffies() is not used in the bpf_cubic.c. -- * 3. In bitctcp_update() [under tcp_friendliness], the original -- * "while (ca->ack_cnt > delta)" loop is changed to the equivalent -- * "ca->ack_cnt / delta" operation. -- */ -- --#include <linux/bpf.h> --#include <linux/stddef.h> --#include <linux/tcp.h> --#include "bpf_tcp_helpers.h" -- --char _license[] SEC("license") = "GPL"; -- --#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) -- --#define BICTCP_BETA_SCALE 1024 /* Scale factor beta calculation -- * max_cwnd = snd_cwnd * beta -- */ --#define BICTCP_HZ 10 /* BIC HZ 2^10 = 1024 */ -- --/* Two methods of hybrid slow start */ --#define HYSTART_ACK_TRAIN 0x1 --#define HYSTART_DELAY 0x2 -- --/* Number of delay samples for detecting the increase of delay */ --#define HYSTART_MIN_SAMPLES 8 --#define HYSTART_DELAY_MIN (4000U) /* 4ms */ --#define HYSTART_DELAY_MAX (16000U) /* 16 ms */ --#define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) -- --static int fast_convergence = 1; --static const int beta = 717; /* = 717/1024 (BICTCP_BETA_SCALE) */ --static int initial_ssthresh; --static const int bic_scale = 41; --static int tcp_friendliness = 1; -- --static int hystart = 1; --static int hystart_detect = HYSTART_ACK_TRAIN | HYSTART_DELAY; --static int hystart_low_window = 16; --static int hystart_ack_delta_us = 2000; -- --static const __u32 cube_rtt_scale = (bic_scale * 10); /* 1024*c/rtt */ --static const __u32 beta_scale = 8*(BICTCP_BETA_SCALE+beta) / 3 -- / (BICTCP_BETA_SCALE - beta); --/* calculate the "K" for (wmax-cwnd) = c/rtt * K^3 -- * so K = cubic_root( (wmax-cwnd)*rtt/c ) -- * the unit of K is bictcp_HZ=2^10, not HZ -- * -- * c = bic_scale >> 10 -- * rtt = 100ms -- * -- * the following code has been designed and tested for -- * cwnd < 1 million packets -- * RTT < 100 seconds -- * HZ < 1,000,00 (corresponding to 10 nano-second) -- */ -- --/* 1/c * 2^2*bictcp_HZ * srtt, 2^40 */ --static const __u64 cube_factor = (__u64)(1ull << (10+3*BICTCP_HZ)) -- / (bic_scale * 10); -- --/* BIC TCP Parameters */ --struct bictcp { -- __u32 cnt; /* increase cwnd by 1 after ACKs */ -- __u32 last_max_cwnd; /* last maximum snd_cwnd */ -- __u32 last_cwnd; /* the last snd_cwnd */ -- __u32 last_time; /* time when updated last_cwnd */ -- __u32 bic_origin_point;/* origin point of bic function */ -- __u32 bic_K; /* time to origin point -- from the beginning of the current epoch */ -- __u32 delay_min; /* min delay (usec) */ -- __u32 epoch_start; /* beginning of an epoch */ -- __u32 ack_cnt; /* number of acks */ -- __u32 tcp_cwnd; /* estimated tcp cwnd */ -- __u16 unused; -- __u8 sample_cnt; /* number of samples to decide curr_rtt */ -- __u8 found; /* the exit point is found? */ -- __u32 round_start; /* beginning of each round */ -- __u32 end_seq; /* end_seq of the round */ -- __u32 last_ack; /* last time when the ACK spacing is close */ -- __u32 curr_rtt; /* the minimum rtt of current round */ --}; -- --static inline void bictcp_reset(struct bictcp *ca) --{ -- ca->cnt = 0; -- ca->last_max_cwnd = 0; -- ca->last_cwnd = 0; -- ca->last_time = 0; -- ca->bic_origin_point = 0; -- ca->bic_K = 0; -- ca->delay_min = 0; -- ca->epoch_start = 0; -- ca->ack_cnt = 0; -- ca->tcp_cwnd = 0; -- ca->found = 0; --} -- --extern unsigned long CONFIG_HZ __kconfig; --#define HZ CONFIG_HZ --#define USEC_PER_MSEC 1000UL --#define USEC_PER_SEC 1000000UL --#define USEC_PER_JIFFY (USEC_PER_SEC / HZ) -- --static __always_inline __u64 div64_u64(__u64 dividend, __u64 divisor) --{ -- return dividend / divisor; --} -- --#define div64_ul div64_u64 -- --#define BITS_PER_U64 (sizeof(__u64) * 8) --static __always_inline int fls64(__u64 x) --{ -- int num = BITS_PER_U64 - 1; -- -- if (x == 0) -- return 0; -- -- if (!(x & (~0ull << (BITS_PER_U64-32)))) { -- num -= 32; -- x <<= 32; -- } -- if (!(x & (~0ull << (BITS_PER_U64-16)))) { -- num -= 16; -- x <<= 16; -- } -- if (!(x & (~0ull << (BITS_PER_U64-8)))) { -- num -= 8; -- x <<= 8; -- } -- if (!(x & (~0ull << (BITS_PER_U64-4)))) { -- num -= 4; -- x <<= 4; -- } -- if (!(x & (~0ull << (BITS_PER_U64-2)))) { -- num -= 2; -- x <<= 2; -- } -- if (!(x & (~0ull << (BITS_PER_U64-1)))) -- num -= 1; -- -- return num + 1; --} -- --static __always_inline __u32 bictcp_clock_us(const struct sock *sk) --{ -- return tcp_sk(sk)->tcp_mstamp; --} -- --static __always_inline void bictcp_hystart_reset(struct sock *sk) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- -- ca->round_start = ca->last_ack = bictcp_clock_us(sk); -- ca->end_seq = tp->snd_nxt; -- ca->curr_rtt = ~0U; -- ca->sample_cnt = 0; --} -- --/* "struct_ops/" prefix is not a requirement -- * It will be recognized as BPF_PROG_TYPE_STRUCT_OPS -- * as long as it is used in one of the func ptr -- * under SEC(".struct_ops"). -- */ --SEC("struct_ops/bpf_cubic_init") --void BPF_PROG(bpf_cubic_init, struct sock *sk) --{ -- struct bictcp *ca = inet_csk_ca(sk); -- -- bictcp_reset(ca); -- -- if (hystart) -- bictcp_hystart_reset(sk); -- -- if (!hystart && initial_ssthresh) -- tcp_sk(sk)->snd_ssthresh = initial_ssthresh; --} -- --/* No prefix in SEC will also work. -- * The remaining tcp-cubic functions have an easier way. -- */ --SEC("no-sec-prefix-bictcp_cwnd_event") --void BPF_PROG(bpf_cubic_cwnd_event, struct sock *sk, enum tcp_ca_event event) --{ -- if (event == CA_EVENT_TX_START) { -- struct bictcp *ca = inet_csk_ca(sk); -- __u32 now = tcp_jiffies32; -- __s32 delta; -- -- delta = now - tcp_sk(sk)->lsndtime; -- -- /* We were application limited (idle) for a while. -- * Shift epoch_start to keep cwnd growth to cubic curve. -- */ -- if (ca->epoch_start && delta > 0) { -- ca->epoch_start += delta; -- if (after(ca->epoch_start, now)) -- ca->epoch_start = now; -- } -- return; -- } --} -- --/* -- * cbrt(x) MSB values for x MSB values in [0..63]. -- * Precomputed then refined by hand - Willy Tarreau -- * -- * For x in [0..63], -- * v = cbrt(x << 18) - 1 -- * cbrt(x) = (v[x] + 10) >> 6 -- */ --static const __u8 v[] = { -- /* 0x00 */ 0, 54, 54, 54, 118, 118, 118, 118, -- /* 0x08 */ 123, 129, 134, 138, 143, 147, 151, 156, -- /* 0x10 */ 157, 161, 164, 168, 170, 173, 176, 179, -- /* 0x18 */ 181, 185, 187, 190, 192, 194, 197, 199, -- /* 0x20 */ 200, 202, 204, 206, 209, 211, 213, 215, -- /* 0x28 */ 217, 219, 221, 222, 224, 225, 227, 229, -- /* 0x30 */ 231, 232, 234, 236, 237, 239, 240, 242, -- /* 0x38 */ 244, 245, 246, 248, 250, 251, 252, 254, --}; -- --/* calculate the cubic root of x using a table lookup followed by one -- * Newton-Raphson iteration. -- * Avg err ~= 0.195% -- */ --static __always_inline __u32 cubic_root(__u64 a) --{ -- __u32 x, b, shift; -- -- if (a < 64) { -- /* a in [0..63] */ -- return ((__u32)v[(__u32)a] + 35) >> 6; -- } -- -- b = fls64(a); -- b = ((b * 84) >> 8) - 1; -- shift = (a >> (b * 3)); -- -- /* it is needed for verifier's bound check on v */ -- if (shift >= 64) -- return 0; -- -- x = ((__u32)(((__u32)v[shift] + 10) << b)) >> 6; -- -- /* -- * Newton-Raphson iteration -- * 2 -- * x = ( 2 * x + a / x ) / 3 -- * k+1 k k -- */ -- x = (2 * x + (__u32)div64_u64(a, (__u64)x * (__u64)(x - 1))); -- x = ((x * 341) >> 10); -- return x; --} -- --/* -- * Compute congestion window to use. -- */ --static __always_inline void bictcp_update(struct bictcp *ca, __u32 cwnd, -- __u32 acked) --{ -- __u32 delta, bic_target, max_cnt; -- __u64 offs, t; -- -- ca->ack_cnt += acked; /* count the number of ACKed packets */ -- -- if (ca->last_cwnd == cwnd && -- (__s32)(tcp_jiffies32 - ca->last_time) <= HZ / 32) -- return; -- -- /* The CUBIC function can update ca->cnt at most once per jiffy. -- * On all cwnd reduction events, ca->epoch_start is set to 0, -- * which will force a recalculation of ca->cnt. -- */ -- if (ca->epoch_start && tcp_jiffies32 == ca->last_time) -- goto tcp_friendliness; -- -- ca->last_cwnd = cwnd; -- ca->last_time = tcp_jiffies32; -- -- if (ca->epoch_start == 0) { -- ca->epoch_start = tcp_jiffies32; /* record beginning */ -- ca->ack_cnt = acked; /* start counting */ -- ca->tcp_cwnd = cwnd; /* syn with cubic */ -- -- if (ca->last_max_cwnd <= cwnd) { -- ca->bic_K = 0; -- ca->bic_origin_point = cwnd; -- } else { -- /* Compute new K based on -- * (wmax-cwnd) * (srtt>>3 / HZ) / c * 2^(3*bictcp_HZ) -- */ -- ca->bic_K = cubic_root(cube_factor -- * (ca->last_max_cwnd - cwnd)); -- ca->bic_origin_point = ca->last_max_cwnd; -- } -- } -- -- /* cubic function - calc*/ -- /* calculate c * time^3 / rtt, -- * while considering overflow in calculation of time^3 -- * (so time^3 is done by using 64 bit) -- * and without the support of division of 64bit numbers -- * (so all divisions are done by using 32 bit) -- * also NOTE the unit of those veriables -- * time = (t - K) / 2^bictcp_HZ -- * c = bic_scale >> 10 -- * rtt = (srtt >> 3) / HZ -- * !!! The following code does not have overflow problems, -- * if the cwnd < 1 million packets !!! -- */ -- -- t = (__s32)(tcp_jiffies32 - ca->epoch_start) * USEC_PER_JIFFY; -- t += ca->delay_min; -- /* change the unit from usec to bictcp_HZ */ -- t <<= BICTCP_HZ; -- t /= USEC_PER_SEC; -- -- if (t < ca->bic_K) /* t - K */ -- offs = ca->bic_K - t; -- else -- offs = t - ca->bic_K; -- -- /* c/rtt * (t-K)^3 */ -- delta = (cube_rtt_scale * offs * offs * offs) >> (10+3*BICTCP_HZ); -- if (t < ca->bic_K) /* below origin*/ -- bic_target = ca->bic_origin_point - delta; -- else /* above origin*/ -- bic_target = ca->bic_origin_point + delta; -- -- /* cubic function - calc bictcp_cnt*/ -- if (bic_target > cwnd) { -- ca->cnt = cwnd / (bic_target - cwnd); -- } else { -- ca->cnt = 100 * cwnd; /* very small increment*/ -- } -- -- /* -- * The initial growth of cubic function may be too conservative -- * when the available bandwidth is still unknown. -- */ -- if (ca->last_max_cwnd == 0 && ca->cnt > 20) -- ca->cnt = 20; /* increase cwnd 5% per RTT */ -- --tcp_friendliness: -- /* TCP Friendly */ -- if (tcp_friendliness) { -- __u32 scale = beta_scale; -- __u32 n; -- -- /* update tcp cwnd */ -- delta = (cwnd * scale) >> 3; -- if (ca->ack_cnt > delta && delta) { -- n = ca->ack_cnt / delta; -- ca->ack_cnt -= n * delta; -- ca->tcp_cwnd += n; -- } -- -- if (ca->tcp_cwnd > cwnd) { /* if bic is slower than tcp */ -- delta = ca->tcp_cwnd - cwnd; -- max_cnt = cwnd / delta; -- if (ca->cnt > max_cnt) -- ca->cnt = max_cnt; -- } -- } -- -- /* The maximum rate of cwnd increase CUBIC allows is 1 packet per -- * 2 packets ACKed, meaning cwnd grows at 1.5x per RTT. -- */ -- ca->cnt = max(ca->cnt, 2U); --} -- --/* Or simply use the BPF_STRUCT_OPS to avoid the SEC boiler plate. */ --void BPF_STRUCT_OPS(bpf_cubic_cong_avoid, struct sock *sk, __u32 ack, __u32 acked) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- -- if (!tcp_is_cwnd_limited(sk)) -- return; -- -- if (tcp_in_slow_start(tp)) { -- if (hystart && after(ack, ca->end_seq)) -- bictcp_hystart_reset(sk); -- acked = tcp_slow_start(tp, acked); -- if (!acked) -- return; -- } -- bictcp_update(ca, tp->snd_cwnd, acked); -- tcp_cong_avoid_ai(tp, ca->cnt, acked); --} -- --__u32 BPF_STRUCT_OPS(bpf_cubic_recalc_ssthresh, struct sock *sk) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- -- ca->epoch_start = 0; /* end of epoch */ -- -- /* Wmax and fast convergence */ -- if (tp->snd_cwnd < ca->last_max_cwnd && fast_convergence) -- ca->last_max_cwnd = (tp->snd_cwnd * (BICTCP_BETA_SCALE + beta)) -- / (2 * BICTCP_BETA_SCALE); -- else -- ca->last_max_cwnd = tp->snd_cwnd; -- -- return max((tp->snd_cwnd * beta) / BICTCP_BETA_SCALE, 2U); --} -- --void BPF_STRUCT_OPS(bpf_cubic_state, struct sock *sk, __u8 new_state) --{ -- if (new_state == TCP_CA_Loss) { -- bictcp_reset(inet_csk_ca(sk)); -- bictcp_hystart_reset(sk); -- } --} -- --#define GSO_MAX_SIZE 65536 -- --/* Account for TSO/GRO delays. -- * Otherwise short RTT flows could get too small ssthresh, since during -- * slow start we begin with small TSO packets and ca->delay_min would -- * not account for long aggregation delay when TSO packets get bigger. -- * Ideally even with a very small RTT we would like to have at least one -- * TSO packet being sent and received by GRO, and another one in qdisc layer. -- * We apply another 100% factor because @rate is doubled at this point. -- * We cap the cushion to 1ms. -- */ --static __always_inline __u32 hystart_ack_delay(struct sock *sk) --{ -- unsigned long rate; -- -- rate = sk->sk_pacing_rate; -- if (!rate) -- return 0; -- return min((__u64)USEC_PER_MSEC, -- div64_ul((__u64)GSO_MAX_SIZE * 4 * USEC_PER_SEC, rate)); --} -- --static __always_inline void hystart_update(struct sock *sk, __u32 delay) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- __u32 threshold; -- -- if (hystart_detect & HYSTART_ACK_TRAIN) { -- __u32 now = bictcp_clock_us(sk); -- -- /* first detection parameter - ack-train detection */ -- if ((__s32)(now - ca->last_ack) <= hystart_ack_delta_us) { -- ca->last_ack = now; -- -- threshold = ca->delay_min + hystart_ack_delay(sk); -- -- /* Hystart ack train triggers if we get ack past -- * ca->delay_min/2. -- * Pacing might have delayed packets up to RTT/2 -- * during slow start. -- */ -- if (sk->sk_pacing_status == SK_PACING_NONE) -- threshold >>= 1; -- -- if ((__s32)(now - ca->round_start) > threshold) { -- ca->found = 1; -- tp->snd_ssthresh = tp->snd_cwnd; -- } -- } -- } -- -- if (hystart_detect & HYSTART_DELAY) { -- /* obtain the minimum delay of more than sampling packets */ -- if (ca->curr_rtt > delay) -- ca->curr_rtt = delay; -- if (ca->sample_cnt < HYSTART_MIN_SAMPLES) { -- ca->sample_cnt++; -- } else { -- if (ca->curr_rtt > ca->delay_min + -- HYSTART_DELAY_THRESH(ca->delay_min >> 3)) { -- ca->found = 1; -- tp->snd_ssthresh = tp->snd_cwnd; -- } -- } -- } --} -- --void BPF_STRUCT_OPS(bpf_cubic_acked, struct sock *sk, -- const struct ack_sample *sample) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- __u32 delay; -- -- /* Some calls are for duplicates without timetamps */ -- if (sample->rtt_us < 0) -- return; -- -- /* Discard delay samples right after fast recovery */ -- if (ca->epoch_start && (__s32)(tcp_jiffies32 - ca->epoch_start) < HZ) -- return; -- -- delay = sample->rtt_us; -- if (delay == 0) -- delay = 1; -- -- /* first time call or link delay decreases */ -- if (ca->delay_min == 0 || ca->delay_min > delay) -- ca->delay_min = delay; -- -- /* hystart triggers when cwnd is larger than some threshold */ -- if (!ca->found && tcp_in_slow_start(tp) && hystart && -- tp->snd_cwnd >= hystart_low_window) -- hystart_update(sk, delay); --} -- --extern __u32 tcp_reno_undo_cwnd(struct sock *sk) __ksym; -- --__u32 BPF_STRUCT_OPS(bpf_cubic_undo_cwnd, struct sock *sk) --{ -- return tcp_reno_undo_cwnd(sk); --} -- --SEC(".struct_ops") --struct tcp_congestion_ops cubic = { -- .init = (void *)bpf_cubic_init, -- .ssthresh = (void *)bpf_cubic_recalc_ssthresh, -- .cong_avoid = (void *)bpf_cubic_cong_avoid, -- .set_state = (void *)bpf_cubic_state, -- .undo_cwnd = (void *)bpf_cubic_undo_cwnd, -- .cwnd_event = (void *)bpf_cubic_cwnd_event, -- .pkts_acked = (void *)bpf_cubic_acked, -- .name = "bpf_cubic", --}; -diff --git a/tools/testing/selftests/bpf/progs/bpf_dctcp.c b/tools/testing/selftests/bpf/progs/bpf_dctcp.c -deleted file mode 100644 -index fd42247da8b4..000000000000 ---- a/tools/testing/selftests/bpf/progs/bpf_dctcp.c -+++ /dev/null -@@ -1,224 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2019 Facebook */ -- --/* WARNING: This implemenation is not necessarily the same -- * as the tcp_dctcp.c. The purpose is mainly for testing -- * the kernel BPF logic. -- */ -- --#include <stddef.h> --#include <linux/bpf.h> --#include <linux/types.h> --#include <linux/stddef.h> --#include <linux/tcp.h> --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> --#include "bpf_tcp_helpers.h" -- --char _license[] SEC("license") = "GPL"; -- --int stg_result = 0; -- --struct { -- __uint(type, BPF_MAP_TYPE_SK_STORAGE); -- __uint(map_flags, BPF_F_NO_PREALLOC); -- __type(key, int); -- __type(value, int); --} sk_stg_map SEC(".maps"); -- --#define DCTCP_MAX_ALPHA 1024U -- --struct dctcp { -- __u32 old_delivered; -- __u32 old_delivered_ce; -- __u32 prior_rcv_nxt; -- __u32 dctcp_alpha; -- __u32 next_seq; -- __u32 ce_state; -- __u32 loss_cwnd; --}; -- --static unsigned int dctcp_shift_g = 4; /* g = 1/2^4 */ --static unsigned int dctcp_alpha_on_init = DCTCP_MAX_ALPHA; -- --static __always_inline void dctcp_reset(const struct tcp_sock *tp, -- struct dctcp *ca) --{ -- ca->next_seq = tp->snd_nxt; -- -- ca->old_delivered = tp->delivered; -- ca->old_delivered_ce = tp->delivered_ce; --} -- --SEC("struct_ops/dctcp_init") --void BPF_PROG(dctcp_init, struct sock *sk) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct dctcp *ca = inet_csk_ca(sk); -- int *stg; -- -- ca->prior_rcv_nxt = tp->rcv_nxt; -- ca->dctcp_alpha = min(dctcp_alpha_on_init, DCTCP_MAX_ALPHA); -- ca->loss_cwnd = 0; -- ca->ce_state = 0; -- -- stg = bpf_sk_storage_get(&sk_stg_map, (void *)tp, NULL, 0); -- if (stg) { -- stg_result = *stg; -- bpf_sk_storage_delete(&sk_stg_map, (void *)tp); -- } -- dctcp_reset(tp, ca); --} -- --SEC("struct_ops/dctcp_ssthresh") --__u32 BPF_PROG(dctcp_ssthresh, struct sock *sk) --{ -- struct dctcp *ca = inet_csk_ca(sk); -- struct tcp_sock *tp = tcp_sk(sk); -- -- ca->loss_cwnd = tp->snd_cwnd; -- return max(tp->snd_cwnd - ((tp->snd_cwnd * ca->dctcp_alpha) >> 11U), 2U); --} -- --SEC("struct_ops/dctcp_update_alpha") --void BPF_PROG(dctcp_update_alpha, struct sock *sk, __u32 flags) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct dctcp *ca = inet_csk_ca(sk); -- -- /* Expired RTT */ -- if (!before(tp->snd_una, ca->next_seq)) { -- __u32 delivered_ce = tp->delivered_ce - ca->old_delivered_ce; -- __u32 alpha = ca->dctcp_alpha; -- -- /* alpha = (1 - g) * alpha + g * F */ -- -- alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g); -- if (delivered_ce) { -- __u32 delivered = tp->delivered - ca->old_delivered; -- -- /* If dctcp_shift_g == 1, a 32bit value would overflow -- * after 8 M packets. -- */ -- delivered_ce <<= (10 - dctcp_shift_g); -- delivered_ce /= max(1U, delivered); -- -- alpha = min(alpha + delivered_ce, DCTCP_MAX_ALPHA); -- } -- ca->dctcp_alpha = alpha; -- dctcp_reset(tp, ca); -- } --} -- --static __always_inline void dctcp_react_to_loss(struct sock *sk) --{ -- struct dctcp *ca = inet_csk_ca(sk); -- struct tcp_sock *tp = tcp_sk(sk); -- -- ca->loss_cwnd = tp->snd_cwnd; -- tp->snd_ssthresh = max(tp->snd_cwnd >> 1U, 2U); --} -- --SEC("struct_ops/dctcp_state") --void BPF_PROG(dctcp_state, struct sock *sk, __u8 new_state) --{ -- if (new_state == TCP_CA_Recovery && -- new_state != BPF_CORE_READ_BITFIELD(inet_csk(sk), icsk_ca_state)) -- dctcp_react_to_loss(sk); -- /* We handle RTO in dctcp_cwnd_event to ensure that we perform only -- * one loss-adjustment per RTT. -- */ --} -- --static __always_inline void dctcp_ece_ack_cwr(struct sock *sk, __u32 ce_state) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- -- if (ce_state == 1) -- tp->ecn_flags |= TCP_ECN_DEMAND_CWR; -- else -- tp->ecn_flags &= ~TCP_ECN_DEMAND_CWR; --} -- --/* Minimal DCTP CE state machine: -- * -- * S: 0 <- last pkt was non-CE -- * 1 <- last pkt was CE -- */ --static __always_inline --void dctcp_ece_ack_update(struct sock *sk, enum tcp_ca_event evt, -- __u32 *prior_rcv_nxt, __u32 *ce_state) --{ -- __u32 new_ce_state = (evt == CA_EVENT_ECN_IS_CE) ? 1 : 0; -- -- if (*ce_state != new_ce_state) { -- /* CE state has changed, force an immediate ACK to -- * reflect the new CE state. If an ACK was delayed, -- * send that first to reflect the prior CE state. -- */ -- if (inet_csk(sk)->icsk_ack.pending & ICSK_ACK_TIMER) { -- dctcp_ece_ack_cwr(sk, *ce_state); -- bpf_tcp_send_ack(sk, *prior_rcv_nxt); -- } -- inet_csk(sk)->icsk_ack.pending |= ICSK_ACK_NOW; -- } -- *prior_rcv_nxt = tcp_sk(sk)->rcv_nxt; -- *ce_state = new_ce_state; -- dctcp_ece_ack_cwr(sk, new_ce_state); --} -- --SEC("struct_ops/dctcp_cwnd_event") --void BPF_PROG(dctcp_cwnd_event, struct sock *sk, enum tcp_ca_event ev) --{ -- struct dctcp *ca = inet_csk_ca(sk); -- -- switch (ev) { -- case CA_EVENT_ECN_IS_CE: -- case CA_EVENT_ECN_NO_CE: -- dctcp_ece_ack_update(sk, ev, &ca->prior_rcv_nxt, &ca->ce_state); -- break; -- case CA_EVENT_LOSS: -- dctcp_react_to_loss(sk); -- break; -- default: -- /* Don't care for the rest. */ -- break; -- } --} -- --SEC("struct_ops/dctcp_cwnd_undo") --__u32 BPF_PROG(dctcp_cwnd_undo, struct sock *sk) --{ -- const struct dctcp *ca = inet_csk_ca(sk); -- -- return max(tcp_sk(sk)->snd_cwnd, ca->loss_cwnd); --} -- --extern void tcp_reno_cong_avoid(struct sock *sk, __u32 ack, __u32 acked) __ksym; -- --SEC("struct_ops/dctcp_reno_cong_avoid") --void BPF_PROG(dctcp_cong_avoid, struct sock *sk, __u32 ack, __u32 acked) --{ -- tcp_reno_cong_avoid(sk, ack, acked); --} -- --SEC(".struct_ops") --struct tcp_congestion_ops dctcp_nouse = { -- .init = (void *)dctcp_init, -- .set_state = (void *)dctcp_state, -- .flags = TCP_CONG_NEEDS_ECN, -- .name = "bpf_dctcp_nouse", --}; -- --SEC(".struct_ops") --struct tcp_congestion_ops dctcp = { -- .init = (void *)dctcp_init, -- .in_ack_event = (void *)dctcp_update_alpha, -- .cwnd_event = (void *)dctcp_cwnd_event, -- .ssthresh = (void *)dctcp_ssthresh, -- .cong_avoid = (void *)dctcp_cong_avoid, -- .undo_cwnd = (void *)dctcp_cwnd_undo, -- .set_state = (void *)dctcp_state, -- .flags = TCP_CONG_NEEDS_ECN, -- .name = "bpf_dctcp", --}; -diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test.c b/tools/testing/selftests/bpf/progs/kfunc_call_test.c -deleted file mode 100644 -index 470f8723e463..000000000000 ---- a/tools/testing/selftests/bpf/progs/kfunc_call_test.c -+++ /dev/null -@@ -1,47 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ --#include <linux/bpf.h> --#include <bpf/bpf_helpers.h> --#include "bpf_tcp_helpers.h" -- --extern int bpf_kfunc_call_test2(struct sock *sk, __u32 a, __u32 b) __ksym; --extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b, -- __u32 c, __u64 d) __ksym; -- --SEC("classifier") --int kfunc_call_test2(struct __sk_buff *skb) --{ -- struct bpf_sock *sk = skb->sk; -- -- if (!sk) -- return -1; -- -- sk = bpf_sk_fullsock(sk); -- if (!sk) -- return -1; -- -- return bpf_kfunc_call_test2((struct sock *)sk, 1, 2); --} -- --SEC("classifier") --int kfunc_call_test1(struct __sk_buff *skb) --{ -- struct bpf_sock *sk = skb->sk; -- __u64 a = 1ULL << 32; -- __u32 ret; -- -- if (!sk) -- return -1; -- -- sk = bpf_sk_fullsock(sk); -- if (!sk) -- return -1; -- -- a = bpf_kfunc_call_test1((struct sock *)sk, 1, a | 2, 3, a | 4); -- ret = a >> 32; /* ret should be 2 */ -- ret += (__u32)a; /* ret should be 12 */ -- -- return ret; --} -- --char _license[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c b/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c -deleted file mode 100644 -index b2dcb7d9cb03..000000000000 ---- a/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c -+++ /dev/null -@@ -1,42 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ --#include <linux/bpf.h> --#include <bpf/bpf_helpers.h> --#include "bpf_tcp_helpers.h" -- --extern const int bpf_prog_active __ksym; --extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b, -- __u32 c, __u64 d) __ksym; --extern struct sock *bpf_kfunc_call_test3(struct sock *sk) __ksym; --int active_res = -1; --int sk_state = -1; -- --int __noinline f1(struct __sk_buff *skb) --{ -- struct bpf_sock *sk = skb->sk; -- int *active; -- -- if (!sk) -- return -1; -- -- sk = bpf_sk_fullsock(sk); -- if (!sk) -- return -1; -- -- active = (int *)bpf_per_cpu_ptr(&bpf_prog_active, -- bpf_get_smp_processor_id()); -- if (active) -- active_res = *active; -- -- sk_state = bpf_kfunc_call_test3((struct sock *)sk)->__sk_common.skc_state; -- -- return (__u32)bpf_kfunc_call_test1((struct sock *)sk, 1, 2, 3, 4); --} -- --SEC("classifier") --int kfunc_call_test1(struct __sk_buff *skb) --{ -- return f1(skb); --} -- --char _license[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_funcs1.c b/tools/testing/selftests/bpf/progs/linked_funcs1.c -deleted file mode 100644 -index b964ec1390c2..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_funcs1.c -+++ /dev/null -@@ -1,73 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --/* weak and shared between two files */ --const volatile int my_tid __weak; --long syscall_id __weak; -- --int output_val1; --int output_ctx1; --int output_weak1; -- --/* same "subprog" name in all files, but it's ok because they all are static */ --static __noinline int subprog(int x) --{ -- /* but different formula */ -- return x * 1; --} -- --/* Global functions can't be void */ --int set_output_val1(int x) --{ -- output_val1 = x + subprog(x); -- return x; --} -- --/* This function can't be verified as global, as it assumes raw_tp/sys_enter -- * context and accesses syscall id (second argument). So we mark it as -- * __hidden, so that libbpf will mark it as static in the final object file, -- * right before verifying it in the kernel. -- * -- * But we don't mark it as __hidden here, rather at extern site. __hidden is -- * "contaminating" visibility, so it will get propagated from either extern or -- * actual definition (including from the losing __weak definition). -- */ --void set_output_ctx1(__u64 *ctx) --{ -- output_ctx1 = ctx[1]; /* long id, same as in BPF_PROG below */ --} -- --/* this weak instance should win because it's the first one */ --__weak int set_output_weak(int x) --{ -- output_weak1 = x; -- return x; --} -- --extern int set_output_val2(int x); -- --/* here we'll force set_output_ctx2() to be __hidden in the final obj file */ --__hidden extern void set_output_ctx2(__u64 *ctx); -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler1, struct pt_regs *regs, long id) --{ -- if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id) -- return 0; -- -- set_output_val2(1000); -- set_output_ctx2(ctx); /* ctx definition is hidden in BPF_PROG macro */ -- -- /* keep input value the same across both files to avoid dependency on -- * handler call order; differentiate by output_weak1 vs output_weak2. -- */ -- set_output_weak(42); -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_funcs2.c b/tools/testing/selftests/bpf/progs/linked_funcs2.c -deleted file mode 100644 -index 575e958e60b7..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_funcs2.c -+++ /dev/null -@@ -1,73 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --/* weak and shared between both files */ --const volatile int my_tid __weak; --long syscall_id __weak; -- --int output_val2; --int output_ctx2; --int output_weak2; /* should stay zero */ -- --/* same "subprog" name in all files, but it's ok because they all are static */ --static __noinline int subprog(int x) --{ -- /* but different formula */ -- return x * 2; --} -- --/* Global functions can't be void */ --int set_output_val2(int x) --{ -- output_val2 = 2 * x + 2 * subprog(x); -- return 2 * x; --} -- --/* This function can't be verified as global, as it assumes raw_tp/sys_enter -- * context and accesses syscall id (second argument). So we mark it as -- * __hidden, so that libbpf will mark it as static in the final object file, -- * right before verifying it in the kernel. -- * -- * But we don't mark it as __hidden here, rather at extern site. __hidden is -- * "contaminating" visibility, so it will get propagated from either extern or -- * actual definition (including from the losing __weak definition). -- */ --void set_output_ctx2(__u64 *ctx) --{ -- output_ctx2 = ctx[1]; /* long id, same as in BPF_PROG below */ --} -- --/* this weak instance should lose, because it will be processed second */ --__weak int set_output_weak(int x) --{ -- output_weak2 = x; -- return 2 * x; --} -- --extern int set_output_val1(int x); -- --/* here we'll force set_output_ctx1() to be __hidden in the final obj file */ --__hidden extern void set_output_ctx1(__u64 *ctx); -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler2, struct pt_regs *regs, long id) --{ -- if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id) -- return 0; -- -- set_output_val1(2000); -- set_output_ctx1(ctx); /* ctx definition is hidden in BPF_PROG macro */ -- -- /* keep input value the same across both files to avoid dependency on -- * handler call order; differentiate by output_weak1 vs output_weak2. -- */ -- set_output_weak(42); -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_maps1.c b/tools/testing/selftests/bpf/progs/linked_maps1.c -deleted file mode 100644 -index 52291515cc72..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_maps1.c -+++ /dev/null -@@ -1,82 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --struct my_key { long x; }; --struct my_value { long x; }; -- --struct { -- __uint(type, BPF_MAP_TYPE_HASH); -- __type(key, struct my_key); -- __type(value, struct my_value); -- __uint(max_entries, 16); --} map1 SEC(".maps"); -- -- /* Matches map2 definition in linked_maps2.c. Order of the attributes doesn't -- * matter. -- */ --typedef struct { -- __uint(max_entries, 8); -- __type(key, int); -- __type(value, int); -- __uint(type, BPF_MAP_TYPE_ARRAY); --} map2_t; -- --extern map2_t map2 SEC(".maps"); -- --/* This should be the winning map definition, but we have no way of verifying, -- * so we just make sure that it links and works without errors -- */ --struct { -- __uint(type, BPF_MAP_TYPE_ARRAY); -- __type(key, int); -- __type(value, int); -- __uint(max_entries, 16); --} map_weak __weak SEC(".maps"); -- --int output_first1; --int output_second1; --int output_weak1; -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler_enter1) --{ -- /* update values with key = 1 */ -- int key = 1, val = 1; -- struct my_key key_struct = { .x = 1 }; -- struct my_value val_struct = { .x = 1000 }; -- -- bpf_map_update_elem(&map1, &key_struct, &val_struct, 0); -- bpf_map_update_elem(&map2, &key, &val, 0); -- bpf_map_update_elem(&map_weak, &key, &val, 0); -- -- return 0; --} -- --SEC("raw_tp/sys_exit") --int BPF_PROG(handler_exit1) --{ -- /* lookup values with key = 2, set in another file */ -- int key = 2, *val; -- struct my_key key_struct = { .x = 2 }; -- struct my_value *value_struct; -- -- value_struct = bpf_map_lookup_elem(&map1, &key_struct); -- if (value_struct) -- output_first1 = value_struct->x; -- -- val = bpf_map_lookup_elem(&map2, &key); -- if (val) -- output_second1 = *val; -- -- val = bpf_map_lookup_elem(&map_weak, &key); -- if (val) -- output_weak1 = *val; -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_maps2.c b/tools/testing/selftests/bpf/progs/linked_maps2.c -deleted file mode 100644 -index 0693687474ed..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_maps2.c -+++ /dev/null -@@ -1,76 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --/* modifiers and typedefs are ignored when comparing key/value types */ --typedef struct my_key { long x; } key_type; --typedef struct my_value { long x; } value_type; -- --extern struct { -- __uint(max_entries, 16); -- __type(key, key_type); -- __type(value, value_type); -- __uint(type, BPF_MAP_TYPE_HASH); --} map1 SEC(".maps"); -- --struct { -- __uint(type, BPF_MAP_TYPE_ARRAY); -- __type(key, int); -- __type(value, int); -- __uint(max_entries, 8); --} map2 SEC(".maps"); -- --/* this definition will lose, but it has to exactly match the winner */ --struct { -- __uint(type, BPF_MAP_TYPE_ARRAY); -- __type(key, int); -- __type(value, int); -- __uint(max_entries, 16); --} map_weak __weak SEC(".maps"); -- --int output_first2; --int output_second2; --int output_weak2; -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler_enter2) --{ -- /* update values with key = 2 */ -- int key = 2, val = 2; -- key_type key_struct = { .x = 2 }; -- value_type val_struct = { .x = 2000 }; -- -- bpf_map_update_elem(&map1, &key_struct, &val_struct, 0); -- bpf_map_update_elem(&map2, &key, &val, 0); -- bpf_map_update_elem(&map_weak, &key, &val, 0); -- -- return 0; --} -- --SEC("raw_tp/sys_exit") --int BPF_PROG(handler_exit2) --{ -- /* lookup values with key = 1, set in another file */ -- int key = 1, *val; -- key_type key_struct = { .x = 1 }; -- value_type *value_struct; -- -- value_struct = bpf_map_lookup_elem(&map1, &key_struct); -- if (value_struct) -- output_first2 = value_struct->x; -- -- val = bpf_map_lookup_elem(&map2, &key); -- if (val) -- output_second2 = *val; -- -- val = bpf_map_lookup_elem(&map_weak, &key); -- if (val) -- output_weak2 = *val; -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_vars1.c b/tools/testing/selftests/bpf/progs/linked_vars1.c -deleted file mode 100644 -index ef9e9d0bb0ca..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_vars1.c -+++ /dev/null -@@ -1,54 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --extern int LINUX_KERNEL_VERSION __kconfig; --/* this weak extern will be strict due to the other file's strong extern */ --extern bool CONFIG_BPF_SYSCALL __kconfig __weak; --extern const void bpf_link_fops __ksym __weak; -- --int input_bss1; --int input_data1 = 1; --const volatile int input_rodata1 = 11; -- --int input_bss_weak __weak; --/* these two definitions should win */ --int input_data_weak __weak = 10; --const volatile int input_rodata_weak __weak = 100; -- --extern int input_bss2; --extern int input_data2; --extern const int input_rodata2; -- --int output_bss1; --int output_data1; --int output_rodata1; -- --long output_sink1; -- --static __noinline int get_bss_res(void) --{ -- /* just make sure all the relocations work against .text as well */ -- return input_bss1 + input_bss2 + input_bss_weak; --} -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler1) --{ -- output_bss1 = get_bss_res(); -- output_data1 = input_data1 + input_data2 + input_data_weak; -- output_rodata1 = input_rodata1 + input_rodata2 + input_rodata_weak; -- -- /* make sure we actually use above special externs, otherwise compiler -- * will optimize them out -- */ -- output_sink1 = LINUX_KERNEL_VERSION -- + CONFIG_BPF_SYSCALL -- + (long)&bpf_link_fops; -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_vars2.c b/tools/testing/selftests/bpf/progs/linked_vars2.c -deleted file mode 100644 -index e4f5bd388a3c..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_vars2.c -+++ /dev/null -@@ -1,55 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --extern int LINUX_KERNEL_VERSION __kconfig; --/* when an extern is defined as both strong and weak, resulting symbol will be strong */ --extern bool CONFIG_BPF_SYSCALL __kconfig; --extern const void __start_BTF __ksym; -- --int input_bss2; --int input_data2 = 2; --const volatile int input_rodata2 = 22; -- --int input_bss_weak __weak; --/* these two weak variables should lose */ --int input_data_weak __weak = 20; --const volatile int input_rodata_weak __weak = 200; -- --extern int input_bss1; --extern int input_data1; --extern const int input_rodata1; -- --int output_bss2; --int output_data2; --int output_rodata2; -- --int output_sink2; -- --static __noinline int get_data_res(void) --{ -- /* just make sure all the relocations work against .text as well */ -- return input_data1 + input_data2 + input_data_weak; --} -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler2) --{ -- output_bss2 = input_bss1 + input_bss2 + input_bss_weak; -- output_data2 = get_data_res(); -- output_rodata2 = input_rodata1 + input_rodata2 + input_rodata_weak; -- -- /* make sure we actually use above special externs, otherwise compiler -- * will optimize them out -- */ -- output_sink2 = LINUX_KERNEL_VERSION -- + CONFIG_BPF_SYSCALL -- + (long)&__start_BTF; -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/test_static_linked1.c b/tools/testing/selftests/bpf/progs/test_static_linked1.c -deleted file mode 100644 -index ea1a6c4c7172..000000000000 ---- a/tools/testing/selftests/bpf/progs/test_static_linked1.c -+++ /dev/null -@@ -1,30 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <linux/bpf.h> --#include <bpf/bpf_helpers.h> -- --/* 8-byte aligned .bss */ --static volatile long static_var1; --static volatile int static_var11; --int var1 = 0; --/* 4-byte aligned .rodata */ --const volatile int rovar1; -- --/* same "subprog" name in both files */ --static __noinline int subprog(int x) --{ -- /* but different formula */ -- return x * 2; --} -- --SEC("raw_tp/sys_enter") --int handler1(const void *ctx) --{ -- var1 = subprog(rovar1) + static_var1 + static_var11; -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; --int VERSION SEC("version") = 1; -diff --git a/tools/testing/selftests/bpf/progs/test_static_linked2.c b/tools/testing/selftests/bpf/progs/test_static_linked2.c -deleted file mode 100644 -index 54d8d1ab577c..000000000000 ---- a/tools/testing/selftests/bpf/progs/test_static_linked2.c -+++ /dev/null -@@ -1,31 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <linux/bpf.h> --#include <bpf/bpf_helpers.h> -- --/* 4-byte aligned .bss */ --static volatile int static_var2; --static volatile int static_var22; --int var2 = 0; --/* 8-byte aligned .rodata */ --const volatile long rovar2; -- --/* same "subprog" name in both files */ --static __noinline int subprog(int x) --{ -- /* but different formula */ -- return x * 3; --} -- --SEC("raw_tp/sys_enter") --int handler2(const void *ctx) --{ -- var2 = subprog(rovar2) + static_var2 + static_var22; -- -- return 0; --} -- --/* different name and/or type of the variable doesn't matter */ --char _license[] SEC("license") = "GPL"; --int _version SEC("version") = 1; |