unix: add disk ioctl constants for FreeBSD

These ioctls make it possible to obtain information on the geometry of
disk devices, such as their sector size and total size in bytes.

Change-Id: I16449fb1a68b84d266b3fdfda9905cb448676968
GitHub-Last-Rev: 3742e7aec276ffa263fc2dfd6cb3724bb9eda1c0
GitHub-Pull-Request: golang/sys#61
Reviewed-on: https://go-review.googlesource.com/c/sys/+/223537
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index c5d0c06..bc076cf 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -105,6 +105,7 @@
 #include <sys/capsicum.h>
 #include <sys/param.h>
 #include <sys/types.h>
+#include <sys/disk.h>
 #include <sys/event.h>
 #include <sys/select.h>
 #include <sys/socket.h>
@@ -493,6 +494,7 @@
 		$2 !~ "RTF_BITS" &&
 		$2 ~ /^(IFF|IFT|NET_RT|RTM(GRP)?|RTF|RTV|RTA|RTAX)_/ ||
 		$2 ~ /^BIOC/ ||
+		$2 ~ /^DIOC/ ||
 		$2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
 		$2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
 		$2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
diff --git a/unix/zerrors_freebsd_386.go b/unix/zerrors_freebsd_386.go
index b72544f..ff27462 100644
--- a/unix/zerrors_freebsd_386.go
+++ b/unix/zerrors_freebsd_386.go
@@ -355,6 +355,22 @@
 	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
+	DIOCGATTR                      = 0xc144648e
+	DIOCGDELETE                    = 0x80106488
+	DIOCGFLUSH                     = 0x20006487
+	DIOCGFRONTSTUFF                = 0x40086486
+	DIOCGFWHEADS                   = 0x40046483
+	DIOCGFWSECTORS                 = 0x40046482
+	DIOCGIDENT                     = 0x41006489
+	DIOCGMEDIASIZE                 = 0x40086481
+	DIOCGPHYSPATH                  = 0x4400648d
+	DIOCGPROVIDERNAME              = 0x4400648a
+	DIOCGSECTORSIZE                = 0x40046480
+	DIOCGSTRIPEOFFSET              = 0x4008648c
+	DIOCGSTRIPESIZE                = 0x4008648b
+	DIOCSKERNELDUMP                = 0x804c6490
+	DIOCSKERNELDUMP_FREEBSD11      = 0x80046485
+	DIOCZONECMD                    = 0xc06c648f
 	DLT_A429                       = 0xb8
 	DLT_A653_ICM                   = 0xb9
 	DLT_AIRONET_HEADER             = 0x78
diff --git a/unix/zerrors_freebsd_amd64.go b/unix/zerrors_freebsd_amd64.go
index 9f38267..70debb1 100644
--- a/unix/zerrors_freebsd_amd64.go
+++ b/unix/zerrors_freebsd_amd64.go
@@ -355,6 +355,22 @@
 	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
+	DIOCGATTR                      = 0xc148648e
+	DIOCGDELETE                    = 0x80106488
+	DIOCGFLUSH                     = 0x20006487
+	DIOCGFRONTSTUFF                = 0x40086486
+	DIOCGFWHEADS                   = 0x40046483
+	DIOCGFWSECTORS                 = 0x40046482
+	DIOCGIDENT                     = 0x41006489
+	DIOCGMEDIASIZE                 = 0x40086481
+	DIOCGPHYSPATH                  = 0x4400648d
+	DIOCGPROVIDERNAME              = 0x4400648a
+	DIOCGSECTORSIZE                = 0x40046480
+	DIOCGSTRIPEOFFSET              = 0x4008648c
+	DIOCGSTRIPESIZE                = 0x4008648b
+	DIOCSKERNELDUMP                = 0x80506490
+	DIOCSKERNELDUMP_FREEBSD11      = 0x80046485
+	DIOCZONECMD                    = 0xc080648f
 	DLT_A429                       = 0xb8
 	DLT_A653_ICM                   = 0xb9
 	DLT_AIRONET_HEADER             = 0x78
diff --git a/unix/zerrors_freebsd_arm.go b/unix/zerrors_freebsd_arm.go
index 16db56a..e471987 100644
--- a/unix/zerrors_freebsd_arm.go
+++ b/unix/zerrors_freebsd_arm.go
@@ -355,6 +355,22 @@
 	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
+	DIOCGATTR                      = 0xc144648e
+	DIOCGDELETE                    = 0x80106488
+	DIOCGFLUSH                     = 0x20006487
+	DIOCGFRONTSTUFF                = 0x40086486
+	DIOCGFWHEADS                   = 0x40046483
+	DIOCGFWSECTORS                 = 0x40046482
+	DIOCGIDENT                     = 0x41006489
+	DIOCGMEDIASIZE                 = 0x40086481
+	DIOCGPHYSPATH                  = 0x4400648d
+	DIOCGPROVIDERNAME              = 0x4400648a
+	DIOCGSECTORSIZE                = 0x40046480
+	DIOCGSTRIPEOFFSET              = 0x4008648c
+	DIOCGSTRIPESIZE                = 0x4008648b
+	DIOCSKERNELDUMP                = 0x804c6490
+	DIOCSKERNELDUMP_FREEBSD11      = 0x80046485
+	DIOCZONECMD                    = 0xc06c648f
 	DLT_A429                       = 0xb8
 	DLT_A653_ICM                   = 0xb9
 	DLT_AIRONET_HEADER             = 0x78
diff --git a/unix/zerrors_freebsd_arm64.go b/unix/zerrors_freebsd_arm64.go
index 1a1de34..0b85517 100644
--- a/unix/zerrors_freebsd_arm64.go
+++ b/unix/zerrors_freebsd_arm64.go
@@ -355,6 +355,22 @@
 	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
+	DIOCGATTR                      = 0xc148648e
+	DIOCGDELETE                    = 0x80106488
+	DIOCGFLUSH                     = 0x20006487
+	DIOCGFRONTSTUFF                = 0x40086486
+	DIOCGFWHEADS                   = 0x40046483
+	DIOCGFWSECTORS                 = 0x40046482
+	DIOCGIDENT                     = 0x41006489
+	DIOCGMEDIASIZE                 = 0x40086481
+	DIOCGPHYSPATH                  = 0x4400648d
+	DIOCGPROVIDERNAME              = 0x4400648a
+	DIOCGSECTORSIZE                = 0x40046480
+	DIOCGSTRIPEOFFSET              = 0x4008648c
+	DIOCGSTRIPESIZE                = 0x4008648b
+	DIOCSKERNELDUMP                = 0x80506490
+	DIOCSKERNELDUMP_FREEBSD11      = 0x80046485
+	DIOCZONECMD                    = 0xc080648f
 	DLT_A429                       = 0xb8
 	DLT_A653_ICM                   = 0xb9
 	DLT_AIRONET_HEADER             = 0x78