Add all definitions from linux/ptp-clock.h

libc-test/build.rs

@@ -3542,6 +3542,8 @@ fn test_linux(target: &str) {
         "linux/netlink.h",
         // FIXME: requires Linux >= 5.6:
         [!musl]: "linux/openat2.h",
+        "linux/ptp_clock.h",
+        // FIXME: requires Linux >= 5.6:
         [!musl]: "linux/ptrace.h",
         "linux/quota.h",
         "linux/random.h",
@@ -3679,6 +3681,9 @@ fn test_linux(target: &str) {
         if musl && ty == "seccomp_notif_sizes" {
             return true;
         }
+        if musl && ty == "ptp_sys_offset_extended" {
+            return true;
+        }
 
         // LFS64 types have been removed in musl 1.2.4+
         if musl && (ty.ends_with("64") || ty.ends_with("64_t")) {
@@ -3839,7 +3844,8 @@ fn test_linux(target: &str) {
         }
         if musl {
             // FIXME: Requires >= 5.0 kernel headers
-            if name == "SECCOMP_GET_NOTIF_SIZES"
+            if name == "PTP_SYS_OFFSET_EXTENDED"
+               || name == "SECCOMP_GET_NOTIF_SIZES"
                || name == "SECCOMP_FILTER_FLAG_NEW_LISTENER"
                || name == "SECCOMP_FILTER_FLAG_TSYNC_ESRCH"
                || name == "SECCOMP_USER_NOTIF_FLAG_CONTINUE"  // requires >= 5.5
@@ -3854,6 +3860,15 @@ fn test_linux(target: &str) {
                 || name.starts_with("RTEXT_FILTER_")
                 || name.starts_with("SO_J1939")
                 || name.starts_with("SCM_J1939")
+                || name == "PTP_CLOCK_GETCAPS2"
+                || name == "PTP_ENABLE_PPS2"
+                || name == "PTP_EXTTS_REQUEST2"
+                || name == "PTP_PEROUT_REQUEST2"
+                || name == "PTP_PIN_GETFUNC2"
+                || name == "PTP_PIN_SETFUNC2"
+                || name == "PTP_SYS_OFFSET2"
+                || name == "PTP_SYS_OFFSET_PRECISE2"
+                || name == "PTP_SYS_OFFSET_EXTENDED2"
             {
                 return true;
             }
@@ -4362,7 +4377,11 @@ fn test_linux(target: &str) {
         // `__exit_status` type is a patch which is absent in musl
         (struct_ == "utmpx" && field == "ut_exit" && musl) ||
         // `can_addr` is an anonymous union
-        (struct_ == "sockaddr_can" && field == "can_addr")
+        (struct_ == "sockaddr_can" && field == "can_addr") ||
+        // `anonymous_1` is an anonymous union
+        (struct_ == "ptp_perout_request" && field == "anonymous_1") ||
+        // `anonymous_2` is an anonymous union
+        (struct_ == "ptp_perout_request" && field == "anonymous_2")
     });
 
     cfg.volatile_item(|i| {
@@ -4420,7 +4439,11 @@ fn test_linux(target: &str) {
         // the `ifc_ifcu` field is an anonymous union
         (struct_ == "ifconf" && field == "ifc_ifcu") ||
         // glibc uses a single array `uregs` instead of individual fields.
-        (struct_ == "user_regs" && arm)
+        (struct_ == "user_regs" && arm) ||
+        // `anonymous_1` is an anonymous union
+        (struct_ == "ptp_perout_request" && field == "anonymous_1") ||
+        // `anonymous_2` is an anonymous union
+        (struct_ == "ptp_perout_request" && field == "anonymous_2")
     });
 
     cfg.skip_roundtrip(move |s| match s {

libc-test/semver/linux.txt

@@ -1997,6 +1997,29 @@ PTHREAD_INHERIT_SCHED
 PTHREAD_EXPLICIT_SCHED
 PTHREAD_STACK_MIN
 PTHREAD_ONCE_INIT
+PTP_CLOCK_GETCAPS
+PTP_CLOCK_GETCAPS2
+PTP_ENABLE_PPS
+PTP_ENABLE_PPS2
+PTP_EXTTS_REQUEST
+PTP_EXTTS_REQUEST2
+PTP_MAX_SAMPLES
+PTP_PEROUT_REQUEST
+PTP_PEROUT_REQUEST2
+PTP_PF_EXTTS
+PTP_PF_NONE
+PTP_PF_PEROUT
+PTP_PF_PHYSYNC
+PTP_PIN_GETFUNC
+PTP_PIN_GETFUNC2
+PTP_PIN_SETFUNC
+PTP_PIN_SETFUNC2
+PTP_SYS_OFFSET
+PTP_SYS_OFFSET2
+PTP_SYS_OFFSET_EXTENDED
+PTP_SYS_OFFSET_EXTENDED2
+PTP_SYS_OFFSET_PRECISE
+PTP_SYS_OFFSET_PRECISE2
 PTRACE_ATTACH
 PTRACE_CONT
 PTRACE_DETACH

src/unix/linux_like/linux/mod.rs

@@ -651,6 +651,51 @@ s! {
         pub val: ::c_int,
     }
 
+    // linux/ptp_clock.h
+    pub struct ptp_clock_time {
+        pub sec: ::__s64,
+        pub nsec: ::__u32,
+        pub reserved: ::__u32,
+    }
+
+    pub struct ptp_clock_caps {
+        pub max_adj: ::c_int,
+        pub n_alarm: ::c_int,
+        pub n_ext_ts: ::c_int,
+        pub n_per_out: ::c_int,
+        pub pps: ::c_int,
+        pub n_pins: ::c_int,
+        pub cross_timestamping: ::c_int,
+        pub adjust_phase: ::c_int,
+        pub rsv: [::c_int; 12],
+    }
+
+    pub struct ptp_extts_request {
+        pub index: ::c_uint,
+        pub flags: ::c_uint,
+        pub rsv: [::c_uint; 2],
+    }
+
+    pub struct ptp_sys_offset_extended {
+        pub n_samples: ::c_uint,
+        pub rsv: [::c_uint; 3],
+        pub ts: [[ptp_clock_time; 3]; PTP_MAX_SAMPLES as usize],
+    }
+
+    pub struct ptp_sys_offset_precise {
+        pub device: ptp_clock_time,
+        pub sys_realtime: ptp_clock_time,
+        pub sys_monoraw: ptp_clock_time,
+        pub rsv: [::c_uint; 4],
+    }
+
+    pub struct ptp_extts_event {
+        pub t: ptp_clock_time,
+        index: ::c_uint,
+        flags: ::c_uint,
+        rsv: [::c_uint; 2],
+    }
+
     // linux/sctp.h
 
     pub struct sctp_initmsg {
@@ -892,6 +937,23 @@ s_no_extra_traits! {
     }
 }
 
+s! {
+    // linux/ptp_clock.h
+    pub struct ptp_sys_offset {
+        pub n_samples: ::c_uint,
+        pub rsv: [::c_uint; 3],
+        pub ts: [ptp_clock_time; 2 * PTP_MAX_SAMPLES as usize + 1],
+    }
+
+    pub struct ptp_pin_desc {
+        pub name: [::c_char; 64],
+        pub index: ::c_uint,
+        pub func: ::c_uint,
+        pub chan: ::c_uint,
+        pub rsv: [::c_uint; 5],
+    }
+}
+
 s_no_extra_traits! {
     // linux/net_tstamp.h
     #[allow(missing_debug_implementations)]
@@ -921,6 +983,34 @@ cfg_if! {
     }
 }
 
+cfg_if! {
+    if #[cfg(libc_union)] {
+        s_no_extra_traits! {
+            // linux/ptp_clock.h
+            #[allow(missing_debug_implementations)]
+            pub union __c_anonymous_ptp_perout_request_1 {
+                pub start: ptp_clock_time,
+                pub phase: ptp_clock_time,
+            }
+
+            #[allow(missing_debug_implementations)]
+            pub union __c_anonymous_ptp_perout_request_2 {
+                pub on: ptp_clock_time,
+                pub rsv: [::c_uint; 4],
+            }
+
+            #[allow(missing_debug_implementations)]
+            pub struct ptp_perout_request {
+                pub anonymous_1: __c_anonymous_ptp_perout_request_1,
+                pub period: ptp_clock_time,
+                pub index: ::c_uint,
+                pub flags: ::c_uint,
+                pub anonymous_2: __c_anonymous_ptp_perout_request_2,
+            }
+        }
+    }
+}
+
 cfg_if! {
     if #[cfg(feature = "extra_traits")] {
         impl PartialEq for sockaddr_nl {
@@ -3643,6 +3733,43 @@ pub const HWTSTAMP_FILTER_PTP_V2_SYNC: ::c_uint = 13;
 pub const HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: ::c_uint = 14;
 pub const HWTSTAMP_FILTER_NTP_ALL: ::c_uint = 15;
 
+// linux/ptp_clock.h
+pub const PTP_MAX_SAMPLES: ::c_uint = 25; // Maximum allowed offset measurement samples.
+
+const PTP_CLK_MAGIC: u32 = b'=' as u32;
+
+pub const PTP_CLOCK_GETCAPS: ::c_uint = ioctl::_IOR::<ptp_clock_caps>(PTP_CLK_MAGIC, 1);
+pub const PTP_EXTTS_REQUEST: ::c_uint = ioctl::_IOW::<ptp_extts_request>(PTP_CLK_MAGIC, 2);
+pub const PTP_PEROUT_REQUEST: ::c_uint = ioctl::_IOW::<ptp_perout_request>(PTP_CLK_MAGIC, 3);
+pub const PTP_ENABLE_PPS: ::c_uint = ioctl::_IOW::<::c_int>(PTP_CLK_MAGIC, 4);
+pub const PTP_SYS_OFFSET: ::c_uint = ioctl::_IOW::<ptp_sys_offset>(PTP_CLK_MAGIC, 5);
+pub const PTP_PIN_GETFUNC: ::c_uint = ioctl::_IOWR::<ptp_pin_desc>(PTP_CLK_MAGIC, 6);
+pub const PTP_PIN_SETFUNC: ::c_uint = ioctl::_IOW::<ptp_pin_desc>(PTP_CLK_MAGIC, 7);
+pub const PTP_SYS_OFFSET_PRECISE: ::c_uint =
+    ioctl::_IOWR::<ptp_sys_offset_precise>(PTP_CLK_MAGIC, 8);
+pub const PTP_SYS_OFFSET_EXTENDED: ::c_uint =
+    ioctl::_IOWR::<ptp_sys_offset_extended>(PTP_CLK_MAGIC, 9);
+
+pub const PTP_CLOCK_GETCAPS2: ::c_uint = ioctl::_IOR::<ptp_clock_caps>(PTP_CLK_MAGIC, 10);
+pub const PTP_EXTTS_REQUEST2: ::c_uint = ioctl::_IOW::<ptp_extts_request>(PTP_CLK_MAGIC, 11);
+pub const PTP_PEROUT_REQUEST2: ::c_uint = ioctl::_IOW::<ptp_perout_request>(PTP_CLK_MAGIC, 12);
+pub const PTP_ENABLE_PPS2: ::c_uint = ioctl::_IOW::<::c_int>(PTP_CLK_MAGIC, 13);
+pub const PTP_SYS_OFFSET2: ::c_uint = ioctl::_IOW::<ptp_sys_offset>(PTP_CLK_MAGIC, 14);
+pub const PTP_PIN_GETFUNC2: ::c_uint = ioctl::_IOWR::<ptp_pin_desc>(PTP_CLK_MAGIC, 15);
+pub const PTP_PIN_SETFUNC2: ::c_uint = ioctl::_IOW::<ptp_pin_desc>(PTP_CLK_MAGIC, 16);
+pub const PTP_SYS_OFFSET_PRECISE2: ::c_uint =
+    ioctl::_IOWR::<ptp_sys_offset_precise>(PTP_CLK_MAGIC, 17);
+pub const PTP_SYS_OFFSET_EXTENDED2: ::c_uint =
+    ioctl::_IOWR::<ptp_sys_offset_extended>(PTP_CLK_MAGIC, 18);
+pub const PTP_MASK_CLEAR_ALL: ::c_uint = ioctl::_IO(PTP_CLK_MAGIC, 19);
+pub const PTP_MASK_EN_SINGLE: ::c_uint = ioctl::_IOW::<::c_uint>(PTP_CLK_MAGIC, 20);
+
+// enum ptp_pin_function
+pub const PTP_PF_NONE: ::c_uint = 0;
+pub const PTP_PF_EXTTS: ::c_uint = 1;
+pub const PTP_PF_PEROUT: ::c_uint = 2;
+pub const PTP_PF_PHYSYNC: ::c_uint = 3;
+
 // linux/tls.h
 pub const TLS_TX: ::c_int = 1;
 pub const TLS_RX: ::c_int = 2;
@@ -5697,3 +5824,88 @@ cfg_if! {
         pub use self::non_exhaustive::*;
     }
 }
+
+mod ioctl {
+    const _IOC_NRBITS: u32 = 8;
+    const _IOC_TYPEBITS: u32 = 8;
+
+    // https://github.com/search?q=repo%3Atorvalds%2Flinux+%22%23define+_IOC_NONE%22&type=code
+    cfg_if! {
+        if #[cfg(any(
+                any(target_arch = "powerpc", target_arch = "powerpc64"),
+                any(target_arch = "sparc", target_arch = "sparc64"),
+                any(target_arch = "mips", target_arch = "mips64"),
+            ))]
+        {
+            // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/arch/powerpc/include/uapi/asm/ioctl.h
+            // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/arch/sparc/include/uapi/asm/ioctl.h
+            // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/arch/mips/include/uapi/asm/ioctl.h
+
+            const _IOC_SIZEBITS: u32 = 13;
+            const _IOC_DIRBITS: u32 = 3;
+
+            const _IOC_NONE: u32 = 1;
+            const _IOC_READ: u32 = 2;
+            const _IOC_WRITE: u32 = 4;
+        } else {
+            // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/include/uapi/asm-generic/ioctl.h
+
+            const _IOC_SIZEBITS: u32 = 14;
+            const _IOC_DIRBITS: u32 = 2;
+
+            const _IOC_NONE: u32 = 0;
+            const _IOC_WRITE: u32 = 1;
+            const _IOC_READ: u32 = 2;
+        }
+    }
+
+    const _IOC_NRMASK: u32 = (1 << _IOC_NRBITS) - 1;
+    const _IOC_TYPEMASK: u32 = (1 << _IOC_TYPEBITS) - 1;
+    const _IOC_SIZEMASK: u32 = (1 << _IOC_SIZEBITS) - 1;
+    const _IOC_DIRMASK: u32 = (1 << _IOC_DIRBITS) - 1;
+
+    const _IOC_NRSHIFT: u32 = 0;
+    const _IOC_TYPESHIFT: u32 = _IOC_NRSHIFT + _IOC_NRBITS;
+    const _IOC_SIZESHIFT: u32 = _IOC_TYPESHIFT + _IOC_TYPEBITS;
+    const _IOC_DIRSHIFT: u32 = _IOC_SIZESHIFT + _IOC_SIZEBITS;
+
+    // adopted from https://github.com/torvalds/linux/blob/8a696a29c6905594e4abf78eaafcb62165ac61f1/rust/kernel/ioctl.rs
+
+    /// Build an ioctl number, analogous to the C macro of the same name.
+    #[inline(always)]
+    const fn _IOC(dir: u32, ty: u32, nr: u32, size: usize) -> u32 {
+        debug_assert!(dir <= _IOC_DIRMASK);
+        debug_assert!(ty <= _IOC_TYPEMASK);
+        debug_assert!(nr <= _IOC_NRMASK);
+        debug_assert!(size <= (_IOC_SIZEMASK as usize));
+
+        (dir << _IOC_DIRSHIFT)
+            | (ty << _IOC_TYPESHIFT)
+            | (nr << _IOC_NRSHIFT)
+            | ((size as u32) << _IOC_SIZESHIFT)
+    }
+
+    /// Build an ioctl number for an argumentless ioctl.
+    #[inline(always)]
+    pub const fn _IO(ty: u32, nr: u32) -> u32 {
+        _IOC(_IOC_NONE, ty, nr, 0)
+    }
+
+    /// Build an ioctl number for an read-only ioctl.
+    #[inline(always)]
+    pub const fn _IOR<T>(ty: u32, nr: u32) -> u32 {
+        _IOC(_IOC_READ, ty, nr, core::mem::size_of::<T>())
+    }
+
+    /// Build an ioctl number for an write-only ioctl.
+    #[inline(always)]
+    pub const fn _IOW<T>(ty: u32, nr: u32) -> u32 {
+        _IOC(_IOC_WRITE, ty, nr, core::mem::size_of::<T>())
+    }
+
+    /// Build an ioctl number for a read-write ioctl.
+    #[inline(always)]
+    pub const fn _IOWR<T>(ty: u32, nr: u32) -> u32 {
+        _IOC(_IOC_READ | _IOC_WRITE, ty, nr, core::mem::size_of::<T>())
+    }
+}