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-rw-r--r--tools/include/asm-generic/unaligned.h1
-rw-r--r--tools/include/linux/rwsem.h4
-rw-r--r--tools/include/linux/spinlock.h1
-rw-r--r--tools/include/nolibc/arch-mips.h11
-rw-r--r--tools/include/nolibc/arch.h4
-rw-r--r--tools/include/nolibc/stdio.h4
-rw-r--r--tools/include/nolibc/sys.h38
-rw-r--r--tools/include/nolibc/types.h25
-rw-r--r--tools/include/perf/arm_pmuv3.h43
-rw-r--r--tools/include/uapi/asm-generic/unistd.h12
-rw-r--r--tools/include/uapi/drm/drm.h20
-rw-r--r--tools/include/uapi/drm/i915_drm.h8
-rw-r--r--tools/include/uapi/linux/fs.h1
-rw-r--r--tools/include/uapi/linux/fscrypt.h3
-rw-r--r--tools/include/uapi/linux/kvm.h24
-rw-r--r--tools/include/uapi/linux/mount.h3
-rw-r--r--tools/include/uapi/linux/vhost.h8
17 files changed, 154 insertions, 56 deletions
diff --git a/tools/include/asm-generic/unaligned.h b/tools/include/asm-generic/unaligned.h
index 156743d399ae..2fd551915c20 100644
--- a/tools/include/asm-generic/unaligned.h
+++ b/tools/include/asm-generic/unaligned.h
@@ -8,6 +8,7 @@
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpacked"
+#pragma GCC diagnostic ignored "-Wattributes"
#define __get_unaligned_t(type, ptr) ({ \
const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \
diff --git a/tools/include/linux/rwsem.h b/tools/include/linux/rwsem.h
index 83971b3cbfce..f8bffd4a987c 100644
--- a/tools/include/linux/rwsem.h
+++ b/tools/include/linux/rwsem.h
@@ -37,4 +37,8 @@ static inline int up_write(struct rw_semaphore *sem)
{
return pthread_rwlock_unlock(&sem->lock);
}
+
+#define down_read_nested(sem, subclass) down_read(sem)
+#define down_write_nested(sem, subclass) down_write(sem)
+
#endif /* _TOOLS_RWSEM_H */
diff --git a/tools/include/linux/spinlock.h b/tools/include/linux/spinlock.h
index 622266b197d0..a6cdf25b6b9d 100644
--- a/tools/include/linux/spinlock.h
+++ b/tools/include/linux/spinlock.h
@@ -11,6 +11,7 @@
#define spin_lock_init(x) pthread_mutex_init(x, NULL)
#define spin_lock(x) pthread_mutex_lock(x)
+#define spin_lock_nested(x, subclass) pthread_mutex_lock(x)
#define spin_unlock(x) pthread_mutex_unlock(x)
#define spin_lock_bh(x) pthread_mutex_lock(x)
#define spin_unlock_bh(x) pthread_mutex_unlock(x)
diff --git a/tools/include/nolibc/arch-mips.h b/tools/include/nolibc/arch-mips.h
index 4ab6fa54beee..62cc50ef3288 100644
--- a/tools/include/nolibc/arch-mips.h
+++ b/tools/include/nolibc/arch-mips.h
@@ -10,6 +10,10 @@
#include "compiler.h"
#include "crt.h"
+#if !defined(_ABIO32)
+#error Unsupported MIPS ABI
+#endif
+
/* Syscalls for MIPS ABI O32 :
* - WARNING! there's always a delayed slot!
* - WARNING again, the syntax is different, registers take a '$' and numbers
@@ -180,8 +184,13 @@ void __attribute__((weak, noreturn, optimize("Os", "omit-frame-pointer"))) __no_
__asm__ volatile (
".set push\n"
".set noreorder\n"
- ".option pic0\n"
+ "bal 1f\n" /* prime $ra for .cpload */
+ "nop\n"
+ "1:\n"
+ ".cpload $ra\n"
"move $a0, $sp\n" /* save stack pointer to $a0, as arg1 of _start_c */
+ "addiu $sp, $sp, -4\n" /* space for .cprestore to store $gp */
+ ".cprestore 0\n"
"li $t0, -8\n"
"and $sp, $sp, $t0\n" /* $sp must be 8-byte aligned */
"addiu $sp, $sp, -16\n" /* the callee expects to save a0..a3 there */
diff --git a/tools/include/nolibc/arch.h b/tools/include/nolibc/arch.h
index e276fb0680af..c8f4e5d3add9 100644
--- a/tools/include/nolibc/arch.h
+++ b/tools/include/nolibc/arch.h
@@ -23,7 +23,7 @@
#include "arch-arm.h"
#elif defined(__aarch64__)
#include "arch-aarch64.h"
-#elif defined(__mips__) && defined(_ABIO32)
+#elif defined(__mips__)
#include "arch-mips.h"
#elif defined(__powerpc__)
#include "arch-powerpc.h"
@@ -33,6 +33,8 @@
#include "arch-s390.h"
#elif defined(__loongarch__)
#include "arch-loongarch.h"
+#else
+#error Unsupported Architecture
#endif
#endif /* _NOLIBC_ARCH_H */
diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h
index d7ef43973916..16cd4d807251 100644
--- a/tools/include/nolibc/stdio.h
+++ b/tools/include/nolibc/stdio.h
@@ -212,7 +212,7 @@ char *fgets(char *s, int size, FILE *stream)
* - %s
* - unknown modifiers are ignored.
*/
-static __attribute__((unused))
+static __attribute__((unused, format(printf, 2, 0)))
int vfprintf(FILE *stream, const char *fmt, va_list args)
{
char escape, lpref, c;
@@ -318,7 +318,7 @@ int vfprintf(FILE *stream, const char *fmt, va_list args)
return written;
}
-static __attribute__((unused))
+static __attribute__((unused, format(printf, 1, 0)))
int vprintf(const char *fmt, va_list args)
{
return vfprintf(stdout, fmt, args);
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 2f359cb03d10..dda9dffd1d74 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -21,6 +21,7 @@
#include <linux/fcntl.h> /* for O_* and AT_* */
#include <linux/stat.h> /* for statx() */
#include <linux/prctl.h>
+#include <linux/resource.h>
#include "arch.h"
#include "errno.h"
@@ -899,6 +900,43 @@ int reboot(int cmd)
/*
+ * int getrlimit(int resource, struct rlimit *rlim);
+ * int setrlimit(int resource, const struct rlimit *rlim);
+ */
+
+static __attribute__((unused))
+int sys_prlimit64(pid_t pid, int resource,
+ const struct rlimit64 *new_limit, struct rlimit64 *old_limit)
+{
+ return my_syscall4(__NR_prlimit64, pid, resource, new_limit, old_limit);
+}
+
+static __attribute__((unused))
+int getrlimit(int resource, struct rlimit *rlim)
+{
+ struct rlimit64 rlim64;
+ int ret;
+
+ ret = __sysret(sys_prlimit64(0, resource, NULL, &rlim64));
+ rlim->rlim_cur = rlim64.rlim_cur;
+ rlim->rlim_max = rlim64.rlim_max;
+
+ return ret;
+}
+
+static __attribute__((unused))
+int setrlimit(int resource, const struct rlimit *rlim)
+{
+ struct rlimit64 rlim64 = {
+ .rlim_cur = rlim->rlim_cur,
+ .rlim_max = rlim->rlim_max,
+ };
+
+ return __sysret(sys_prlimit64(0, resource, &rlim64, NULL));
+}
+
+
+/*
* int sched_yield(void);
*/
diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h
index 8cfc4c860fa4..b26a5d0c417c 100644
--- a/tools/include/nolibc/types.h
+++ b/tools/include/nolibc/types.h
@@ -12,6 +12,8 @@
#include <linux/reboot.h> /* for LINUX_REBOOT_* */
#include <linux/stat.h>
#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/resource.h>
/* Only the generic macros and types may be defined here. The arch-specific
@@ -108,9 +110,6 @@
#define WTERMSIG(status) ((status) & 0x7f)
#define WIFSIGNALED(status) ((status) - 1 < 0xff)
-/* waitpid() flags */
-#define WNOHANG 1
-
/* standard exit() codes */
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
@@ -180,26 +179,6 @@ struct linux_dirent64 {
char d_name[];
};
-/* needed by wait4() */
-struct rusage {
- struct timeval ru_utime;
- struct timeval ru_stime;
- long ru_maxrss;
- long ru_ixrss;
- long ru_idrss;
- long ru_isrss;
- long ru_minflt;
- long ru_majflt;
- long ru_nswap;
- long ru_inblock;
- long ru_oublock;
- long ru_msgsnd;
- long ru_msgrcv;
- long ru_nsignals;
- long ru_nvcsw;
- long ru_nivcsw;
-};
-
/* The format of the struct as returned by the libc to the application, which
* significantly differs from the format returned by the stat() syscall flavours.
*/
diff --git a/tools/include/perf/arm_pmuv3.h b/tools/include/perf/arm_pmuv3.h
index e822d49fb5b8..1e397d55384e 100644
--- a/tools/include/perf/arm_pmuv3.h
+++ b/tools/include/perf/arm_pmuv3.h
@@ -218,45 +218,54 @@
#define ARMV8_PMU_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug*/
#define ARMV8_PMU_PMCR_LC (1 << 6) /* Overflow on 64 bit cycle counter */
#define ARMV8_PMU_PMCR_LP (1 << 7) /* Long event counter enable */
-#define ARMV8_PMU_PMCR_N_SHIFT 11 /* Number of counters supported */
-#define ARMV8_PMU_PMCR_N_MASK 0x1f
-#define ARMV8_PMU_PMCR_MASK 0xff /* Mask for writable bits */
+#define ARMV8_PMU_PMCR_N GENMASK(15, 11) /* Number of counters supported */
+/* Mask for writable bits */
+#define ARMV8_PMU_PMCR_MASK (ARMV8_PMU_PMCR_E | ARMV8_PMU_PMCR_P | \
+ ARMV8_PMU_PMCR_C | ARMV8_PMU_PMCR_D | \
+ ARMV8_PMU_PMCR_X | ARMV8_PMU_PMCR_DP | \
+ ARMV8_PMU_PMCR_LC | ARMV8_PMU_PMCR_LP)
/*
* PMOVSR: counters overflow flag status reg
*/
-#define ARMV8_PMU_OVSR_MASK 0xffffffff /* Mask for writable bits */
-#define ARMV8_PMU_OVERFLOWED_MASK ARMV8_PMU_OVSR_MASK
+#define ARMV8_PMU_OVSR_P GENMASK(30, 0)
+#define ARMV8_PMU_OVSR_C BIT(31)
+/* Mask for writable bits is both P and C fields */
+#define ARMV8_PMU_OVERFLOWED_MASK (ARMV8_PMU_OVSR_P | ARMV8_PMU_OVSR_C)
/*
* PMXEVTYPER: Event selection reg
*/
-#define ARMV8_PMU_EVTYPE_MASK 0xc800ffff /* Mask for writable bits */
-#define ARMV8_PMU_EVTYPE_EVENT 0xffff /* Mask for EVENT bits */
+#define ARMV8_PMU_EVTYPE_EVENT GENMASK(15, 0) /* Mask for EVENT bits */
+#define ARMV8_PMU_EVTYPE_TH GENMASK(43, 32)
+#define ARMV8_PMU_EVTYPE_TC GENMASK(63, 61)
/*
* Event filters for PMUv3
*/
-#define ARMV8_PMU_EXCLUDE_EL1 (1U << 31)
-#define ARMV8_PMU_EXCLUDE_EL0 (1U << 30)
-#define ARMV8_PMU_INCLUDE_EL2 (1U << 27)
+#define ARMV8_PMU_EXCLUDE_EL1 (1U << 31)
+#define ARMV8_PMU_EXCLUDE_EL0 (1U << 30)
+#define ARMV8_PMU_EXCLUDE_NS_EL1 (1U << 29)
+#define ARMV8_PMU_EXCLUDE_NS_EL0 (1U << 28)
+#define ARMV8_PMU_INCLUDE_EL2 (1U << 27)
+#define ARMV8_PMU_EXCLUDE_EL3 (1U << 26)
/*
* PMUSERENR: user enable reg
*/
-#define ARMV8_PMU_USERENR_MASK 0xf /* Mask for writable bits */
#define ARMV8_PMU_USERENR_EN (1 << 0) /* PMU regs can be accessed at EL0 */
#define ARMV8_PMU_USERENR_SW (1 << 1) /* PMSWINC can be written at EL0 */
#define ARMV8_PMU_USERENR_CR (1 << 2) /* Cycle counter can be read at EL0 */
#define ARMV8_PMU_USERENR_ER (1 << 3) /* Event counter can be read at EL0 */
+/* Mask for writable bits */
+#define ARMV8_PMU_USERENR_MASK (ARMV8_PMU_USERENR_EN | ARMV8_PMU_USERENR_SW | \
+ ARMV8_PMU_USERENR_CR | ARMV8_PMU_USERENR_ER)
/* PMMIR_EL1.SLOTS mask */
-#define ARMV8_PMU_SLOTS_MASK 0xff
-
-#define ARMV8_PMU_BUS_SLOTS_SHIFT 8
-#define ARMV8_PMU_BUS_SLOTS_MASK 0xff
-#define ARMV8_PMU_BUS_WIDTH_SHIFT 16
-#define ARMV8_PMU_BUS_WIDTH_MASK 0xf
+#define ARMV8_PMU_SLOTS GENMASK(7, 0)
+#define ARMV8_PMU_BUS_SLOTS GENMASK(15, 8)
+#define ARMV8_PMU_BUS_WIDTH GENMASK(19, 16)
+#define ARMV8_PMU_THWIDTH GENMASK(23, 20)
/*
* This code is really good
diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
index 76d946445391..756b013fb832 100644
--- a/tools/include/uapi/asm-generic/unistd.h
+++ b/tools/include/uapi/asm-generic/unistd.h
@@ -816,15 +816,21 @@ __SYSCALL(__NR_process_mrelease, sys_process_mrelease)
__SYSCALL(__NR_futex_waitv, sys_futex_waitv)
#define __NR_set_mempolicy_home_node 450
__SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)
-
#define __NR_cachestat 451
__SYSCALL(__NR_cachestat, sys_cachestat)
-
#define __NR_fchmodat2 452
__SYSCALL(__NR_fchmodat2, sys_fchmodat2)
+#define __NR_map_shadow_stack 453
+__SYSCALL(__NR_map_shadow_stack, sys_map_shadow_stack)
+#define __NR_futex_wake 454
+__SYSCALL(__NR_futex_wake, sys_futex_wake)
+#define __NR_futex_wait 455
+__SYSCALL(__NR_futex_wait, sys_futex_wait)
+#define __NR_futex_requeue 456
+__SYSCALL(__NR_futex_requeue, sys_futex_requeue)
#undef __NR_syscalls
-#define __NR_syscalls 453
+#define __NR_syscalls 457
/*
* 32 bit systems traditionally used different
diff --git a/tools/include/uapi/drm/drm.h b/tools/include/uapi/drm/drm.h
index 794c1d857677..de723566c5ae 100644
--- a/tools/include/uapi/drm/drm.h
+++ b/tools/include/uapi/drm/drm.h
@@ -1134,6 +1134,26 @@ extern "C" {
#define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
#define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
+/**
+ * DRM_IOCTL_MODE_CREATE_DUMB - Create a new dumb buffer object.
+ *
+ * KMS dumb buffers provide a very primitive way to allocate a buffer object
+ * suitable for scanout and map it for software rendering. KMS dumb buffers are
+ * not suitable for hardware-accelerated rendering nor video decoding. KMS dumb
+ * buffers are not suitable to be displayed on any other device than the KMS
+ * device where they were allocated from. Also see
+ * :ref:`kms_dumb_buffer_objects`.
+ *
+ * The IOCTL argument is a struct drm_mode_create_dumb.
+ *
+ * User-space is expected to create a KMS dumb buffer via this IOCTL, then add
+ * it as a KMS framebuffer via &DRM_IOCTL_MODE_ADDFB and map it via
+ * &DRM_IOCTL_MODE_MAP_DUMB.
+ *
+ * &DRM_CAP_DUMB_BUFFER indicates whether this IOCTL is supported.
+ * &DRM_CAP_DUMB_PREFERRED_DEPTH and &DRM_CAP_DUMB_PREFER_SHADOW indicate
+ * driver preferences for dumb buffers.
+ */
#define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
#define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb)
#define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h
index 7000e5910a1d..218edb0a96f8 100644
--- a/tools/include/uapi/drm/i915_drm.h
+++ b/tools/include/uapi/drm/i915_drm.h
@@ -38,13 +38,13 @@ extern "C" {
*/
/**
- * DOC: uevents generated by i915 on it's device node
+ * DOC: uevents generated by i915 on its device node
*
* I915_L3_PARITY_UEVENT - Generated when the driver receives a parity mismatch
- * event from the gpu l3 cache. Additional information supplied is ROW,
+ * event from the GPU L3 cache. Additional information supplied is ROW,
* BANK, SUBBANK, SLICE of the affected cacheline. Userspace should keep
- * track of these events and if a specific cache-line seems to have a
- * persistent error remap it with the l3 remapping tool supplied in
+ * track of these events, and if a specific cache-line seems to have a
+ * persistent error, remap it with the L3 remapping tool supplied in
* intel-gpu-tools. The value supplied with the event is always 1.
*
* I915_ERROR_UEVENT - Generated upon error detection, currently only via
diff --git a/tools/include/uapi/linux/fs.h b/tools/include/uapi/linux/fs.h
index da43810b7485..48ad69f7722e 100644
--- a/tools/include/uapi/linux/fs.h
+++ b/tools/include/uapi/linux/fs.h
@@ -316,6 +316,7 @@ typedef int __bitwise __kernel_rwf_t;
#define PAGE_IS_SWAPPED (1 << 4)
#define PAGE_IS_PFNZERO (1 << 5)
#define PAGE_IS_HUGE (1 << 6)
+#define PAGE_IS_SOFT_DIRTY (1 << 7)
/*
* struct page_region - Page region with flags
diff --git a/tools/include/uapi/linux/fscrypt.h b/tools/include/uapi/linux/fscrypt.h
index fd1fb0d5389d..7a8f4c290187 100644
--- a/tools/include/uapi/linux/fscrypt.h
+++ b/tools/include/uapi/linux/fscrypt.h
@@ -71,7 +71,8 @@ struct fscrypt_policy_v2 {
__u8 contents_encryption_mode;
__u8 filenames_encryption_mode;
__u8 flags;
- __u8 __reserved[4];
+ __u8 log2_data_unit_size;
+ __u8 __reserved[3];
__u8 master_key_identifier[FSCRYPT_KEY_IDENTIFIER_SIZE];
};
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index f089ab290978..211b86de35ac 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -264,6 +264,7 @@ struct kvm_xen_exit {
#define KVM_EXIT_RISCV_SBI 35
#define KVM_EXIT_RISCV_CSR 36
#define KVM_EXIT_NOTIFY 37
+#define KVM_EXIT_LOONGARCH_IOCSR 38
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -336,6 +337,13 @@ struct kvm_run {
__u32 len;
__u8 is_write;
} mmio;
+ /* KVM_EXIT_LOONGARCH_IOCSR */
+ struct {
+ __u64 phys_addr;
+ __u8 data[8];
+ __u32 len;
+ __u8 is_write;
+ } iocsr_io;
/* KVM_EXIT_HYPERCALL */
struct {
__u64 nr;
@@ -1192,6 +1200,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_COUNTER_OFFSET 227
#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
+#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1362,6 +1371,7 @@ struct kvm_dirty_tlb {
#define KVM_REG_ARM64 0x6000000000000000ULL
#define KVM_REG_MIPS 0x7000000000000000ULL
#define KVM_REG_RISCV 0x8000000000000000ULL
+#define KVM_REG_LOONGARCH 0x9000000000000000ULL
#define KVM_REG_SIZE_SHIFT 52
#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
@@ -1418,9 +1428,16 @@ struct kvm_device_attr {
__u64 addr; /* userspace address of attr data */
};
-#define KVM_DEV_VFIO_GROUP 1
-#define KVM_DEV_VFIO_GROUP_ADD 1
-#define KVM_DEV_VFIO_GROUP_DEL 2
+#define KVM_DEV_VFIO_FILE 1
+
+#define KVM_DEV_VFIO_FILE_ADD 1
+#define KVM_DEV_VFIO_FILE_DEL 2
+
+/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
+#define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE
+
+#define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD
+#define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL
#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
enum kvm_device_type {
@@ -1555,6 +1572,7 @@ struct kvm_s390_ucas_mapping {
#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
/* Available with KVM_CAP_COUNTER_OFFSET */
#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
+#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
diff --git a/tools/include/uapi/linux/mount.h b/tools/include/uapi/linux/mount.h
index 8eb0d7b758d2..bb242fdcfe6b 100644
--- a/tools/include/uapi/linux/mount.h
+++ b/tools/include/uapi/linux/mount.h
@@ -100,8 +100,9 @@ enum fsconfig_command {
FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */
FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */
FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */
- FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */
+ FSCONFIG_CMD_CREATE = 6, /* Create new or reuse existing superblock */
FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */
+ FSCONFIG_CMD_CREATE_EXCL = 8, /* Create new superblock, fail if reusing existing superblock */
};
/*
diff --git a/tools/include/uapi/linux/vhost.h b/tools/include/uapi/linux/vhost.h
index f5c48b61ab62..649560c685f1 100644
--- a/tools/include/uapi/linux/vhost.h
+++ b/tools/include/uapi/linux/vhost.h
@@ -219,4 +219,12 @@
*/
#define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E)
+/* Get the group for the descriptor table including driver & device areas
+ * of a virtqueue: read index, write group in num.
+ * The virtqueue index is stored in the index field of vhost_vring_state.
+ * The group ID of the descriptor table for this specific virtqueue
+ * is returned via num field of vhost_vring_state.
+ */
+#define VHOST_VDPA_GET_VRING_DESC_GROUP _IOWR(VHOST_VIRTIO, 0x7F, \
+ struct vhost_vring_state)
#endif
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-10 19:38:26 +0000