| vnet.h (195705) | vnet.h (195727) |
|---|---|
| 1/*- 2 * Copyright (c) 2009 Jeffrey Roberson <jeff@freebsd.org> 3 * Copyright (c) 2009 Robert N. M. Watson 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 2009 Jeffrey Roberson <jeff@freebsd.org> 3 * Copyright (c) 2009 Robert N. M. Watson 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $FreeBSD: head/sys/net/vnet.h 195705 2009-07-15 00:56:15Z rwatson $ | 27 * $FreeBSD: head/sys/net/vnet.h 195727 2009-07-16 21:13:04Z rwatson $ |
| 28 */ 29 30/* 31 * This is the virtual network stack memory allocator, which provides support 32 * for virtualized global variables via a special linker set, set_vnet. When 33 * "options VIMAGE" isn't defined, virtualized global variables are compiled 34 * as normal globals. 35 */ --- 12 unchanged lines hidden (view full) --- 48__asm__(".previous"); 49 50#define VNET_NAME(n) vnet_entry_##n 51#define VNET_DECLARE(t, n) extern t VNET_NAME(n) 52#define VNET_DEFINE(t, n) t VNET_NAME(n) __section("set_vnet") __used 53#define _VNET_PTR(b, n) (__typeof(VNET_NAME(n))*) \ 54 ((b) + (uintptr_t)&VNET_NAME(n)) 55 | 28 */ 29 30/* 31 * This is the virtual network stack memory allocator, which provides support 32 * for virtualized global variables via a special linker set, set_vnet. When 33 * "options VIMAGE" isn't defined, virtualized global variables are compiled 34 * as normal globals. 35 */ --- 12 unchanged lines hidden (view full) --- 48__asm__(".previous"); 49 50#define VNET_NAME(n) vnet_entry_##n 51#define VNET_DECLARE(t, n) extern t VNET_NAME(n) 52#define VNET_DEFINE(t, n) t VNET_NAME(n) __section("set_vnet") __used 53#define _VNET_PTR(b, n) (__typeof(VNET_NAME(n))*) \ 54 ((b) + (uintptr_t)&VNET_NAME(n)) 55 |
| 56#define _VNET_GET(b, n) (*_VNET_PTR(b, n)) 57#define _VNET_SET(b, n, v) (*_VNET_PTR(b, n) = v) | 56#define _VNET(b, n) (*_VNET_PTR(b, n)) |
| 58 59/* 60 * Virtualized global variable accessor macros. 61 */ 62#define VNET_VNET_PTR(vnet, n) _VNET_PTR((vnet)->vnet_data_base, n) | 57 58/* 59 * Virtualized global variable accessor macros. 60 */ 61#define VNET_VNET_PTR(vnet, n) _VNET_PTR((vnet)->vnet_data_base, n) |
| 63#define VNET_VNET_GET(vnet, n) (*VNET_VNET_PTR((vnet), n)) 64#define VNET_VNET_SET(vnet, n, v) ((*VNET_VNET_PTR((vnet), n)) = v) | 62#define VNET_VNET(vnet, n) (*VNET_VNET_PTR((vnet), n)) |
| 65 66#define VNET_PTR(n) VNET_VNET_PTR(curvnet, n) | 63 64#define VNET_PTR(n) VNET_VNET_PTR(curvnet, n) |
| 67#define VNET_GET(n) VNET_VNET_GET(curvnet, n) 68#define VNET_SET(n, v) VNET_VNET_SET(curvnet, n, v) | 65#define VNET(n) VNET_VNET(curvnet, n) |
| 69 70/* 71 * Sysctl variants for vnet-virtualized global variables. Include 72 * <sys/sysctl.h> to expose these definitions. 73 * 74 * Note: SYSCTL_PROC() handler functions will need to resolve pointer 75 * arguments themselves, if required. 76 */ --- 61 unchanged lines hidden (view full) --- 138#define SYSCTL_VNET_UINT(parent, nbr, name, access, ptr, val, descr) \ 139 SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) 140#endif /* SYSCTL_OID */ 141 142/* 143 * Virtualized global variable accessor macros. 144 */ 145#define VNET_VNET_PTR(vnet, n) (&(n)) | 66 67/* 68 * Sysctl variants for vnet-virtualized global variables. Include 69 * <sys/sysctl.h> to expose these definitions. 70 * 71 * Note: SYSCTL_PROC() handler functions will need to resolve pointer 72 * arguments themselves, if required. 73 */ --- 61 unchanged lines hidden (view full) --- 135#define SYSCTL_VNET_UINT(parent, nbr, name, access, ptr, val, descr) \ 136 SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) 137#endif /* SYSCTL_OID */ 138 139/* 140 * Virtualized global variable accessor macros. 141 */ 142#define VNET_VNET_PTR(vnet, n) (&(n)) |
| 146#define VNET_VNET_GET(vnet, n) (n) 147#define VNET_VNET_SET(vnet, n, v) ((n) = (v)) | 143#define VNET_VNET(vnet, n) (n) |
| 148 149#define VNET_PTR(n) (&(n)) | 144 145#define VNET_PTR(n) (&(n)) |
| 150#define VNET_GET(n) (n) 151#define VNET_SET(n, v) ((n) = (v)) | 146#define VNET(n) (n) |
| 152 153#endif /* VIMAGE */ 154 155#endif /* _KERNEL */ 156 157#endif /* !_NET_VNET_H_ */ | 147 148#endif /* VIMAGE */ 149 150#endif /* _KERNEL */ 151 152#endif /* !_NET_VNET_H_ */ |