diff options
| author | uwe <uwe@NetBSD.org> | 2022-04-13 13:50:37 +0000 |
|---|---|---|
| committer | uwe <uwe@NetBSD.org> | 2022-04-13 13:50:37 +0000 |
| commit | 4dd8dfd3a832c7bfe998caf05888a081810d1e06 (patch) | |
| tree | b2d64ee9db5397d88e4af5fbf63e99570f75508f /sys/dev | |
| parent | a03c70654eb63c2a7f288fd47a714ccaf2060d56 (diff) | |
vio9p: Add definition for the MOUNT_TAG feature bit.
From QEMU sources.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/vio9p.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/dev/pci/vio9p.c b/sys/dev/pci/vio9p.c index 06d90e41d26..c9db434fc1b 100644 --- a/sys/dev/pci/vio9p.c +++ b/sys/dev/pci/vio9p.c @@ -1,4 +1,4 @@ -/* $NetBSD: vio9p.c,v 1.5 2022/03/31 19:30:16 pgoyette Exp $ */ +/* $NetBSD: vio9p.c,v 1.6 2022/04/13 13:50:37 uwe Exp $ */ /* * Copyright (c) 2019 Internet Initiative Japan, Inc. @@ -26,7 +26,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: vio9p.c,v 1.5 2022/03/31 19:30:16 pgoyette Exp $"); +__KERNEL_RCSID(0, "$NetBSD: vio9p.c,v 1.6 2022/04/13 13:50:37 uwe Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -60,11 +60,17 @@ __KERNEL_RCSID(0, "$NetBSD: vio9p.c,v 1.5 2022/03/31 19:30:16 pgoyette Exp $"); #define DLOG(fmt, args...) __nothing #endif +/* Device-specific feature bits */ +#define VIO9P_F_MOUNT_TAG (UINT64_C(1) << 0) /* mount tag specified */ + /* Configuration registers */ #define VIO9P_CONFIG_TAG_LEN 0 /* 16bit */ #define VIO9P_CONFIG_TAG 2 -#define VIO9P_FLAG_BITS VIRTIO_COMMON_FLAG_BITS +#define VIO9P_FLAG_BITS \ + VIRTIO_COMMON_FLAG_BITS \ + "b\x00" "MOUNT_TAG\0" + // Must be the same as P9P_DEFREQLEN of usr.sbin/puffs/mount_9p/ninepuffs.h #define VIO9P_MAX_REQLEN (16 * 1024) |
