summaryrefslogtreecommitdiff
path: root/SOURCES/patch-5.13-redhat.patch
diff options
context:
space:
mode:
authorJan200101 <sentrycraft123@gmail.com>2021-07-21 22:57:09 +0200
committerJan200101 <sentrycraft123@gmail.com>2021-07-21 23:21:30 +0200
commitcca3b28be503223222519e3ebba2749cf24894f3 (patch)
tree9f589ac6e7dc6dd8e9830d675d46efbd25191504 /SOURCES/patch-5.13-redhat.patch
parent969572ecac2cb15a106d9e0f5bfa840608faa5b4 (diff)
downloadkernel-fsync-cca3b28be503223222519e3ebba2749cf24894f3.tar.gz
kernel-fsync-cca3b28be503223222519e3ebba2749cf24894f3.zip
kernel 5.13.3
Diffstat (limited to 'SOURCES/patch-5.13-redhat.patch')
-rw-r--r--SOURCES/patch-5.13-redhat.patch4504
1 files changed, 4504 insertions, 0 deletions
diff --git a/SOURCES/patch-5.13-redhat.patch b/SOURCES/patch-5.13-redhat.patch
new file mode 100644
index 0000000..490090e
--- /dev/null
+++ b/SOURCES/patch-5.13-redhat.patch
@@ -0,0 +1,4504 @@
+ 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/boot/dts/rockchip/rk3399.dtsi | 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/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/controller/pcie-rockchip-host.c | 12 +-
+ drivers/pci/quirks.c | 24 +
+ drivers/platform/x86/amd-pmc.c | 248 +++++++++-
+ 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 +
+ 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 --
+ 68 files changed, 915 insertions(+), 2360 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 83f4212e004f..91790cbefd7c 100644
+--- a/Makefile
++++ b/Makefile
+@@ -503,6 +503,7 @@ 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/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+index 634a91af8e83..4b854eb21f72 100644
+--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
++++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+@@ -227,7 +227,7 @@ pcie0: pcie@f8000000 {
+ <&pcie_phy 2>, <&pcie_phy 3>;
+ phy-names = "pcie-phy-0", "pcie-phy-1",
+ "pcie-phy-2", "pcie-phy-3";
+- ranges = <0x83000000 0x0 0xfa000000 0x0 0xfa000000 0x0 0x1e00000>,
++ ranges = <0x82000000 0x0 0xfa000000 0x0 0xfa000000 0x0 0x1e00000>,
+ <0x81000000 0x0 0xfbe00000 0x0 0xfbe00000 0x0 0x100000>;
+ resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>,
+ <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>,
+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 382d73da134c..f5b2b127e24d 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 4b7ee3fa9224..64b31d852d20 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/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 808ab70d5df5..2a92c1c26326 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>
+@@ -3036,6 +3037,27 @@ 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 42ad75ff1348..5a72bdf5ad03 100644
+--- a/drivers/nvme/host/pci.c
++++ b/drivers/nvme/host/pci.c
+@@ -2828,32 +2828,6 @@ 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;
+@@ -2903,7 +2877,7 @@ 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/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c
+index f1d08a1b1591..78d04ac29cd5 100644
+--- a/drivers/pci/controller/pcie-rockchip-host.c
++++ b/drivers/pci/controller/pcie-rockchip-host.c
+@@ -592,10 +592,6 @@ static int rockchip_pcie_parse_host_dt(struct rockchip_pcie *rockchip)
+ if (err)
+ return err;
+
+- err = rockchip_pcie_setup_irq(rockchip);
+- if (err)
+- return err;
+-
+ rockchip->vpcie12v = devm_regulator_get_optional(dev, "vpcie12v");
+ if (IS_ERR(rockchip->vpcie12v)) {
+ if (PTR_ERR(rockchip->vpcie12v) != -ENODEV)
+@@ -973,8 +969,6 @@ static int rockchip_pcie_probe(struct platform_device *pdev)
+ if (err)
+ goto err_vpcie;
+
+- rockchip_pcie_enable_interrupts(rockchip);
+-
+ err = rockchip_pcie_init_irq_domain(rockchip);
+ if (err < 0)
+ goto err_deinit_port;
+@@ -992,6 +986,12 @@ static int rockchip_pcie_probe(struct platform_device *pdev)
+ bridge->sysdata = rockchip;
+ bridge->ops = &rockchip_pcie_ops;
+
++ err = rockchip_pcie_setup_irq(rockchip);
++ if (err)
++ goto err_remove_irq_domain;
++
++ rockchip_pcie_enable_interrupts(rockchip);
++
+ err = pci_host_probe(bridge);
+ if (err < 0)
+ goto err_remove_irq_domain;
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 6d74386eadc2..2333c1e4ae05 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -4230,6 +4230,30 @@ 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 b9da58ee9b1e..663a4ca0580d 100644
+--- a/drivers/platform/x86/amd-pmc.c
++++ b/drivers/platform/x86/amd-pmc.c
+@@ -46,34 +46,79 @@
+ #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 AMD_SMU_FW_VERSION 0x0
+ #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)
+ struct dentry *dbgfs_dir;
+ #endif /* CONFIG_DEBUG_FS */
+ };
+
+ 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)
+ {
+@@ -85,18 +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;
+- u32 value;
++ 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]);
++ }
+
+- value = ioread32(dev->smu_base + AMD_SMU_FW_VERSION);
+- seq_printf(s, "SMU FW Info: %x\n", value);
+ 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);
+@@ -107,6 +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)
+@@ -118,6 +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;
+@@ -132,19 +263,19 @@ 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);
+ /* 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,
++ val, val != 0, PMC_MSG_DELAY_MIN_US,
+ PMC_MSG_DELAY_MIN_US * RESPONSE_REGISTER_LOOP_MAX);
+ if (rc) {
+ dev_err(dev->dev, "failed to talk to SMU\n");
+- return rc;
++ goto out_unlock;
+ }
+
+ /* Write zero to response register */
+@@ -154,34 +285,91 @@ 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);
+- return 0;
++
++ /* 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,
++ PMC_MSG_DELAY_MIN_US * RESPONSE_REGISTER_LOOP_MAX);
++ if (rc) {
++ dev_err(dev->dev, "SMU response timed out\n");
++ goto out_unlock;
++ }
++
++ 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);
++ rc = -EBUSY;
++ goto out_unlock;
++ case AMD_PMC_RESULT_CMD_UNKNOWN:
++ dev_err(dev->dev, "SMU cmd unknown. err: 0x%x\n", val);
++ rc = -EINVAL;
++ goto out_unlock;
++ case AMD_PMC_RESULT_CMD_REJECT_PREREQ:
++ case AMD_PMC_RESULT_FAILED:
++ default:
++ dev_err(dev->dev, "SMU cmd failed. err: 0x%x\n", val);
++ rc = -EIO;
++ goto out_unlock;
++ }
++
++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;
+ }
+
+@@ -190,6 +378,7 @@ 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) },
+@@ -201,9 +390,8 @@ 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;
+
+@@ -248,16 +436,25 @@ static int amd_pmc_probe(struct platform_device *pdev)
+ pci_dev_put(rdev);
+ base_addr = ((u64)base_addr_hi << 32 | base_addr_lo);
+
+- dev->smu_base = devm_ioremap(dev->dev, base_addr, AMD_PMC_MAPPING_SIZE);
+- if (!dev->smu_base)
+- return -ENOMEM;
+-
+ dev->regbase = devm_ioremap(dev->dev, base_addr + AMD_PMC_BASE_ADDR_OFFSET,
+ AMD_PMC_MAPPING_SIZE);
+ 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");
+
+ platform_set_drvdata(pdev, dev);
+ amd_pmc_dbgfs_register(dev);
+@@ -269,11 +466,14 @@ static int amd_pmc_remove(struct platform_device *pdev)
+ struct amd_pmc_dev *dev = platform_get_drvdata(pdev);
+
+ amd_pmc_dbgfs_unregister(dev);
++ mutex_destroy(&dev->lock);
+ return 0;
+ }
+
+ 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 5db16509b6e1..5b8b5e3edd39 100644
+--- a/drivers/scsi/smartpqi/smartpqi_init.c
++++ b/drivers/scsi/smartpqi/smartpqi_init.c
+@@ -8808,6 +8808,18 @@ 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)
+@@ -9064,6 +9076,10 @@ 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 df8e69e60aaf..fb851c5130e1 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -5587,6 +5587,13 @@ 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 06f7c50ce77f..09ed686ac5e6 100644
+--- a/include/linux/security.h
++++ b/include/linux/security.h
+@@ -471,6 +471,7 @@ 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)
+@@ -1347,6 +1348,10 @@ 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 b38155b2de83..b0a6711b4825 100644
+--- a/security/security.c
++++ b/security/security.c
+@@ -2598,6 +2598,12 @@ 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/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;