Merge branch '2024-05-13-assorted-updates' into next

- A few zfs fixes, ARMv8 timer cleanups, support more algorithms with
  the nuvoton crypto driver, virtio + env in filesystem fix, K3 code
  cleanup and warning fix in gen_compile_commands.

arch/arm/cpu/armv8/Kconfig

@@ -191,6 +191,14 @@ config ARMV8_EA_EL3_FIRST
 	  Exception handling at all exception levels for External Abort and
 	  SError interrupt exception are taken in EL3.
 
+config ARMV8_UDELAY_EVENT_STREAM
+	bool "Use the event stream for udelay"
+	default y if ARCH_VEXPRESS64
+	help
+	  Use the event stream provided by the AArch64 architectural timer for
+	  delays. This is more efficient than the default polling
+	  implementation.
+
 menuconfig ARMV8_CRYPTO
 	bool "ARM64 Accelerated Cryptographic Algorithms"
 

arch/arm/cpu/armv8/generic_timer.c

@@ -114,3 +114,30 @@ ulong timer_get_boot_us(void)
 
 	return val / get_tbclk();
 }
+
+#if CONFIG_IS_ENABLED(ARMV8_UDELAY_EVENT_STREAM)
+void __udelay(unsigned long usec)
+{
+	u64 target = get_ticks() + usec_to_tick(usec);
+
+	/* At EL2 or above, use the event stream to avoid polling CNTPCT_EL0 so often */
+	if (current_el() >= 2) {
+		u32 cnthctl_val;
+		const u8 event_period = 0x7;
+
+		asm volatile("mrs %0, cnthctl_el2" : "=r" (cnthctl_val));
+		asm volatile("msr cnthctl_el2, %0" : : "r"
+			(cnthctl_val | CNTHCTL_EL2_EVNT_EN | CNTHCTL_EL2_EVNT_I(event_period)));
+
+		while (get_ticks() + (1ULL << event_period) <= target)
+			wfe();
+
+		/* Reset the event stream */
+		asm volatile("msr cnthctl_el2, %0" : : "r" (cnthctl_val));
+	}
+
+	/* Fall back to polling CNTPCT_EL0 */
+	while (get_ticks() <= target)
+		;
+}
+#endif

arch/arm/include/asm/system.h

@@ -69,8 +69,10 @@
 /*
  * CNTHCTL_EL2 bits definitions
  */
-#define CNTHCTL_EL2_EL1PCEN_EN	(1 << 1)  /* Physical timer regs accessible   */
-#define CNTHCTL_EL2_EL1PCTEN_EN	(1 << 0)  /* Physical counter accessible      */
+#define CNTHCTL_EL2_EVNT_EN	BIT(2)	     /* Enable the event stream       */
+#define CNTHCTL_EL2_EVNT_I(val)	((val) << 4) /* Event stream trigger bits     */
+#define CNTHCTL_EL2_EL1PCEN_EN	(1 << 1)     /* Physical timer regs accessible */
+#define CNTHCTL_EL2_EL1PCTEN_EN	(1 << 0)     /* Physical counter accessible   */
 
 /*
  * HCR_EL2 bits definitions
@@ -154,6 +156,13 @@ enum dcache_option {
 	"wfi" : : : "memory");		\
 	})
 
+#define wfe()				\
+	({asm volatile(			\
+	"wfe" : : : "memory");		\
+	})
+
+#define sev() asm volatile("sev")
+
 static inline unsigned int current_el(void)
 {
 	unsigned long el;
@@ -369,6 +378,8 @@ void switch_to_hypervisor_ret(void);
 
 #ifdef __ARM_ARCH_7A__
 #define wfi() __asm__ __volatile__ ("wfi" : : : "memory")
+#define wfe() __asm__ __volatile__ ("wfe" : : : "memory")
+#define sev() __asm__ __volatile__ ("sev")
 #else
 #define wfi()
 #endif

arch/arm/mach-exynos/include/mach/system.h

@@ -36,25 +36,6 @@ struct exynos5_sysreg {
 
 #define USB20_PHY_CFG_HOST_LINK_EN	(1 << 0)
 
-/*
- * This instruction causes an event to be signaled to all cores
- * within a multiprocessor system. If SEV is implemented,
- * WFE must also be implemented.
- */
-#define sev() __asm__ __volatile__ ("sev\n\t" : : );
-/*
- * If the Event Register is not set, WFE suspends execution until
- * one of the following events occurs:
- * - an IRQ interrupt, unless masked by the CPSR I-bit
- * - an FIQ interrupt, unless masked by the CPSR F-bit
- * - an Imprecise Data abort, unless masked by the CPSR A-bit
- * - a Debug Entry request, if Debug is enabled
- * - an Event signaled by another processor using the SEV instruction.
- * If the Event Register is set, WFE clears it and returns immediately.
- * If WFE is implemented, SEV must also be implemented.
- */
-#define wfe() __asm__ __volatile__ ("wfe\n\t" : : );
-
 /* Move 0xd3 value to CPSR register to enable SVC mode */
 #define svc32_mode_en() __asm__ __volatile__				\
 			("@ I&F disable, Mode: 0x13 - SVC\n\t"		\

arch/arm/mach-k3/Makefile

@@ -6,24 +6,12 @@
 obj-$(CONFIG_ARM64) += arm64/
 obj-$(CONFIG_CPU_V7R) += r5/
 obj-$(CONFIG_OF_LIBFDT) += common_fdt.o
-ifeq ($(CONFIG_OF_LIBFDT)$(CONFIG_OF_SYSTEM_SETUP),yy)
-obj-$(CONFIG_SOC_K3_AM654) += am654_fdt.o
-obj-$(CONFIG_SOC_K3_J721E) += j721e_fdt.o
-obj-$(CONFIG_SOC_K3_J721S2) += j721s2_fdt.o
-obj-$(CONFIG_SOC_K3_AM625) += am625_fdt.o
-obj-$(CONFIG_SOC_K3_AM62A7) += am62a7_fdt.o
-obj-$(CONFIG_SOC_K3_J784S4) += j784s4_fdt.o
-endif
-ifeq ($(CONFIG_SPL_BUILD),y)
-obj-$(CONFIG_SOC_K3_AM654) += am654_init.o
-obj-$(CONFIG_SOC_K3_J721E) += j721e_init.o
-obj-$(CONFIG_SOC_K3_J721S2) += j721s2_init.o
-obj-$(CONFIG_SOC_K3_AM642) += am642_init.o
-obj-$(CONFIG_SOC_K3_AM625) += am625_init.o
-obj-$(CONFIG_SOC_K3_AM62A7) += am62a7_init.o
-obj-$(CONFIG_SOC_K3_J784S4) += j784s4_init.o
-obj-$(CONFIG_SOC_K3_AM62P5) += am62p5_init.o
-endif
 obj-y += common.o security.o
+obj-$(CONFIG_SOC_K3_AM62A7) += am62ax/
+obj-$(CONFIG_SOC_K3_AM62P5) += am62px/
 obj-$(CONFIG_SOC_K3_AM625) += am62x/
 obj-$(CONFIG_SOC_K3_AM642) += am64x/
+obj-$(CONFIG_SOC_K3_AM654) += am65x/
+obj-$(CONFIG_SOC_K3_J721E) += j721e/
+obj-$(CONFIG_SOC_K3_J721S2) += j721s2/
+obj-$(CONFIG_SOC_K3_J784S4) += j784s4/

arch/arm/mach-k3/am62ax/Makefile

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+#	Andrew Davis <afd@ti.com>
+
+obj-$(CONFIG_OF_SYSTEM_SETUP) += am62a7_fdt.o
+obj-$(CONFIG_SPL_BUILD) += am62a7_init.o

arch/arm/mach-k3/am62ax/am62a7_fdt.c

@@ -4,9 +4,10 @@
  */
 
 #include <asm/hardware.h>
-#include "common_fdt.h"
 #include <fdt_support.h>
 
+#include "../common_fdt.h"
+
 int ft_system_setup(void *blob, struct bd_info *bd)
 {
 	fdt_fixup_reserved(blob, "tfa", CONFIG_K3_ATF_LOAD_ADDR, 0x80000);

arch/arm/mach-k3/am62ax/am62a7_init.c

@@ -8,12 +8,13 @@
 #include <spl.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <dm.h>
 #include <dm/uclass-internal.h>
 #include <dm/pinctrl.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 struct fwl_data cbass_main_fwls[] = {
        { "FSS_DAT_REG3", 7, 8 },
 };

arch/arm/mach-k3/am62px/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+#	Andrew Davis <afd@ti.com>
+
+obj-$(CONFIG_SPL_BUILD) += am62p5_init.o

arch/arm/mach-k3/am62px/am62p5_init.c

@@ -8,12 +8,13 @@
 #include <spl.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <dm.h>
 #include <dm/uclass-internal.h>
 #include <dm/pinctrl.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 struct fwl_data cbass_main_fwls[] = {
 	{ "FSS_DAT_REG3", 7, 8 },
 };

arch/arm/mach-k3/am62x/Makefile

@@ -1,2 +1,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
+
+obj-$(CONFIG_OF_SYSTEM_SETUP) += am625_fdt.o
+obj-$(CONFIG_SPL_BUILD) += am625_init.o
 obj-y += boot.o

arch/arm/mach-k3/am62x/am625_fdt.c

@@ -4,9 +4,10 @@
  */
 
 #include <asm/hardware.h>
-#include "common_fdt.h"
 #include <fdt_support.h>
 
+#include "../common_fdt.h"
+
 static void fdt_fixup_cores_nodes_am625(void *blob, int core_nr)
 {
 	char node_path[32];

arch/arm/mach-k3/am62x/am625_init.c

@@ -9,13 +9,14 @@
 #include <spl.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <dm.h>
 #include <dm/uclass-internal.h>
 #include <dm/pinctrl.h>
 #include <dm/ofnode.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 #define RTC_BASE_ADDRESS		0x2b1f0000
 #define REG_K3RTC_S_CNT_LSW		(RTC_BASE_ADDRESS + 0x18)
 #define REG_K3RTC_KICK0			(RTC_BASE_ADDRESS + 0x70)

arch/arm/mach-k3/am64x/Makefile

@@ -1,2 +1,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
+
+obj-$(CONFIG_SPL_BUILD) += am642_init.o
 obj-y += boot.o

arch/arm/mach-k3/am64x/am642_init.c

@@ -11,8 +11,6 @@
 #include <spl.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <linux/soc/ti/ti_sci_protocol.h>
 #include <dm.h>
 #include <dm/uclass-internal.h>
@@ -21,6 +19,9 @@
 #include <dm/root.h>
 #include <command.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 #define CTRLMMR_MCU_RST_CTRL			0x04518170
 
 #define CTRLMMR_MCU_RST_SRC                    (MCU_CTRL_MMR0_BASE + 0x18178)

arch/arm/mach-k3/am65x/Makefile

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+#	Andrew Davis <afd@ti.com>
+
+obj-$(CONFIG_OF_SYSTEM_SETUP) += am654_fdt.o
+obj-$(CONFIG_SPL_BUILD) += am654_init.o

arch/arm/mach-k3/am65x/am654_fdt.c

@@ -3,9 +3,10 @@
  * Copyright 2023 Toradex - https://www.toradex.com/
  */
 
-#include "common_fdt.h"
 #include <fdt_support.h>
 
+#include "../common_fdt.h"
+
 int ft_system_setup(void *blob, struct bd_info *bd)
 {
 	return fdt_fixup_msmc_ram_k3(blob);

arch/arm/mach-k3/am65x/am654_init.c

@@ -12,8 +12,6 @@
 #include <asm/io.h>
 #include <spl.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <dm.h>
 #include <dm/uclass-internal.h>
 #include <dm/pinctrl.h>
@@ -22,6 +20,9 @@
 #include <mmc.h>
 #include <stdlib.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_K3_LOAD_SYSFW

arch/arm/mach-k3/j721e/Makefile

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+#	Andrew Davis <afd@ti.com>
+
+obj-$(CONFIG_OF_SYSTEM_SETUP) += j721e_fdt.o
+obj-$(CONFIG_SPL_BUILD) += j721e_init.o

arch/arm/mach-k3/j721e/j721e_fdt.c

@@ -3,9 +3,10 @@
  * Copyright 2023 Toradex - https://www.toradex.com/
  */
 
-#include "common_fdt.h"
 #include <fdt_support.h>
 
+#include "../common_fdt.h"
+
 int ft_system_setup(void *blob, struct bd_info *bd)
 {
 	return fdt_fixup_msmc_ram_k3(blob);

arch/arm/mach-k3/j721e/j721e_init.c

@@ -11,8 +11,6 @@
 #include <asm/io.h>
 #include <asm/armv7_mpu.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <linux/soc/ti/ti_sci_protocol.h>
 #include <dm.h>
 #include <dm/uclass-internal.h>
@@ -22,6 +20,9 @@
 #include <mmc.h>
 #include <remoteproc.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 #ifdef CONFIG_K3_LOAD_SYSFW
 struct fwl_data cbass_hc_cfg0_fwls[] = {
 #if defined(CONFIG_TARGET_J721E_R5_EVM)

arch/arm/mach-k3/j721s2/Makefile

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+#	Andrew Davis <afd@ti.com>
+
+obj-$(CONFIG_OF_SYSTEM_SETUP) += j721s2_fdt.o
+obj-$(CONFIG_SPL_BUILD) += j721s2_init.o

arch/arm/mach-k3/j721s2/j721s2_fdt.c

@@ -3,9 +3,10 @@
  * Copyright 2023 Toradex - https://www.toradex.com/
  */
 
-#include "common_fdt.h"
 #include <fdt_support.h>
 
+#include "../common_fdt.h"
+
 int ft_system_setup(void *blob, struct bd_info *bd)
 {
 	return fdt_fixup_msmc_ram_k3(blob);

arch/arm/mach-k3/j721s2/j721s2_init.c

@@ -11,8 +11,6 @@
 #include <asm/io.h>
 #include <asm/armv7_mpu.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <linux/soc/ti/ti_sci_protocol.h>
 #include <dm.h>
 #include <dm/uclass-internal.h>
@@ -21,6 +19,9 @@
 #include <mmc.h>
 #include <remoteproc.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 struct fwl_data cbass_hc_cfg0_fwls[] = {
 	{ "PCIE0_CFG", 2577, 7 },
 	{ "EMMC8SS0_CFG", 2579, 4 },

arch/arm/mach-k3/j784s4/Makefile

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+#	Andrew Davis <afd@ti.com>
+
+obj-$(CONFIG_OF_SYSTEM_SETUP) += j784s4_fdt.o
+obj-$(CONFIG_SPL_BUILD) += j784s4_init.o

arch/arm/mach-k3/j784s4/j784s4_fdt.c

@@ -6,9 +6,10 @@
  *	Apurva Nandan <a-nandan@ti.com>
  */
 
-#include "common_fdt.h"
 #include <fdt_support.h>
 
+#include "../common_fdt.h"
+
 int ft_system_setup(void *blob, struct bd_info *bd)
 {
 	return fdt_fixup_msmc_ram_k3(blob);

arch/arm/mach-k3/j784s4/j784s4_init.c

@@ -11,8 +11,6 @@
 #include <asm/io.h>
 #include <asm/armv7_mpu.h>
 #include <asm/arch/hardware.h>
-#include "sysfw-loader.h"
-#include "common.h"
 #include <linux/soc/ti/ti_sci_protocol.h>
 #include <dm.h>
 #include <dm/uclass-internal.h>
@@ -20,6 +18,9 @@
 #include <mmc.h>
 #include <remoteproc.h>
 
+#include "../sysfw-loader.h"
+#include "../common.h"
+
 #define J784S4_MAX_DDR_CONTROLLERS	4
 
 struct fwl_data infra_cbass0_fwls[] = {

cmd/sandbox/exception.c

@@ -19,7 +19,11 @@ static int do_sigsegv(struct cmd_tbl *cmdtp, int flag, int argc,
 static int do_undefined(struct cmd_tbl *cmdtp, int flag, int argc,
 			char *const argv[])
 {
+#ifdef __powerpc__
+	asm volatile (".long 0xffffffff\n");
+#else
 	asm volatile (".word 0xffff\n");
+#endif
 	return CMD_RET_FAILURE;
 }
 

env/ext4.c

@@ -31,6 +31,7 @@
 #include <ext4fs.h>
 #include <mmc.h>
 #include <scsi.h>
+#include <virtio.h>
 #include <asm/global_data.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -150,6 +151,10 @@ static int env_ext4_load(void)
 	if (!strcmp(ifname, "scsi"))
 		scsi_scan(true);
 #endif
+#if defined(CONFIG_VIRTIO)
+	if (!strcmp(ifname, "virtio"))
+		virtio_init();
+#endif
 
 	part = blk_get_device_part_str(ifname, dev_and_part,
 				       &dev_desc, &info, 1);

env/fat.c

@@ -17,6 +17,7 @@
 #include <fat.h>
 #include <mmc.h>
 #include <scsi.h>
+#include <virtio.h>
 #include <asm/cache.h>
 #include <asm/global_data.h>
 #include <linux/stddef.h>
@@ -133,6 +134,10 @@ static int env_fat_load(void)
 	if (!strcmp(CONFIG_ENV_FAT_INTERFACE, "scsi"))
 		scsi_scan(true);
 #endif
+#if defined(CONFIG_VIRTIO)
+	if (!strcmp(ifname, "virtio"))
+		virtio_init();
+#endif
 #endif
 	part = blk_get_device_part_str(ifname, dev_and_part,
 				       &dev_desc, &info, 1);

fs/zfs/zfs.c

@@ -16,6 +16,7 @@
 #include <linux/time.h>
 #include <linux/ctype.h>
 #include <asm/byteorder.h>
+#include <u-boot/zlib.h>
 #include "zfs_common.h"
 #include "div64.h"
 
@@ -182,7 +183,8 @@ static int
 zlib_decompress(void *s, void *d,
 				uint32_t slen, uint32_t dlen)
 {
-	if (zlib_decompress(s, d, slen, dlen) < 0)
+	uLongf z_dest_len = dlen;
+	if (uncompress(d, &z_dest_len, s, slen) != Z_OK)
 		return ZFS_ERR_BAD_FS;
 	return ZFS_ERR_NONE;
 }
@@ -333,6 +335,12 @@ vdev_uberblock_compare(uberblock_t *ub1, uberblock_t *ub2)
 	return 0;
 }
 
+static inline int
+is_supported_spa_version(uint64_t version) {
+	return version == FEATURES_SUPPORTED_SPA_VERSION ||
+		(version > 0 && version <= SPA_VERSION);
+}
+
 /*
  * Three pieces of information are needed to verify an uberblock: the magic
  * number, the version number, and the checksum.
@@ -354,14 +362,12 @@ uberblock_verify(uberblock_t *uber, int offset, struct zfs_data *data)
 		return ZFS_ERR_BAD_FS;
 	}
 
-	if (zfs_to_cpu64(uber->ub_magic, LITTLE_ENDIAN) == UBERBLOCK_MAGIC
-		&& zfs_to_cpu64(uber->ub_version, LITTLE_ENDIAN) > 0
-		&& zfs_to_cpu64(uber->ub_version, LITTLE_ENDIAN) <= SPA_VERSION)
+	if (zfs_to_cpu64(uber->ub_magic, LITTLE_ENDIAN) == UBERBLOCK_MAGIC &&
+		is_supported_spa_version(zfs_to_cpu64(uber->ub_version, LITTLE_ENDIAN)))
 		endian = LITTLE_ENDIAN;
 
-	if (zfs_to_cpu64(uber->ub_magic, BIG_ENDIAN) == UBERBLOCK_MAGIC
-		&& zfs_to_cpu64(uber->ub_version, BIG_ENDIAN) > 0
-		&& zfs_to_cpu64(uber->ub_version, BIG_ENDIAN) <= SPA_VERSION)
+	if (zfs_to_cpu64(uber->ub_magic, BIG_ENDIAN) == UBERBLOCK_MAGIC &&
+		is_supported_spa_version(zfs_to_cpu64(uber->ub_version, BIG_ENDIAN)))
 		endian = BIG_ENDIAN;
 
 	if (endian == UNKNOWN_ENDIAN) {
@@ -1787,7 +1793,7 @@ check_pool_label(struct zfs_data *data)
 		return ZFS_ERR_BAD_FS;
 	}
 
-	if (version > SPA_VERSION) {
+	if (!is_supported_spa_version(version)) {
 		free(nvlist);
 		printf("SPA version too new %llu > %llu\n",
 			   (unsigned long long) version,

include/virtio.h

@@ -21,6 +21,7 @@
 #define __VIRTIO_H__
 
 #include <virtio_types.h>
+#include <dm/device.h>
 #include <linux/bitops.h>
 #include <linux/bug.h>
 #include <linux/typecheck.h>

include/zfs/zfs.h

@@ -15,6 +15,7 @@
  * On-disk version number.
  */
 #define	SPA_VERSION			28ULL
+#define	FEATURES_SUPPORTED_SPA_VERSION	5000ULL
 
 /*
  * The following are configuration names used in the nvlist describing a pool's

scripts/gen_compile_commands.py

@@ -172,7 +172,7 @@ def process_line(root_directory, command_prefix, file_path):
     # escape the pound sign '#', either as '\#' or '$(pound)' (depending on the
     # kernel version). The compile_commands.json file is not interepreted
     # by Make, so this code replaces the escaped version with '#'.
-    prefix = command_prefix.replace('\#', '#').replace('$(pound)', '#')
+    prefix = command_prefix.replace(r'\#', '#').replace('$(pound)', '#')
 
     # Return the canonical path, eliminating any symbolic links encountered in the path.
     abs_path = os.path.realpath(os.path.join(root_directory, file_path))