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Make PFS backcalls regular VFS calls

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- prefix them with VFS_ as they are going to VFS;
- give these calls normal call numbers;
- give them their own set of message field aliases;
- also make do_mapdriver a regular call.

Change-Id: I2140439f288b06d699a1f65438bd8306509b259e
This commit is contained in:
David van Moolenbroek
2013-09-09 00:04:12 +02:00
committed by Lionel Sambuc
parent 3af30c2c60
commit f6915d3dee
11 changed files with 85 additions and 75 deletions
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9
include/minix/callnr.h
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@@ -1,4 +1,4 @@
#define NCALLS 124 /* number of system calls allowed */
#define NCALLS 130 /* number of system calls allowed */
/* In case it isn't obvious enough: this list is sorted numerically. */
#define EXIT 1
@@ -110,3 +110,10 @@
#define MAPDRIVER 122 /* to VFS, map a device */
#define GETRUSAGE 123 /* to PM, VFS */
#define VFS_PFS_CHECK_PERMS 124 /* to VFS */
#define VFS_PFS_VERIFY_FD 125 /* to VFS */
#define VFS_PFS_SET_FILP 126 /* to VFS */
#define VFS_PFS_COPY_FILP 127 /* to VFS */
#define VFS_PFS_PUT_FILP 128 /* to VFS */
#define VFS_PFS_CANCEL_FD 129 /* to VFS */

7
include/minix/com.h
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@@ -934,6 +934,13 @@
#define VFS_IOCTL_REQ m2_i3
#define VFS_IOCTL_ARG m2_p1
/* Field names for the PFS backcalls to VFS. */
#define VFS_PFS_ENDPT m2_i1
#define VFS_PFS_GRANT m2_i2
#define VFS_PFS_COUNT m2_i3
#define VFS_PFS_FD m2_i3
#define VFS_PFS_FILP m2_p1
/*===========================================================================*
* Messages for VM server *
*===========================================================================*/

14
include/minix/vfsif.h
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@@ -137,19 +137,5 @@ typedef u32_t pino_t; /* Protocol version of ino_t */
#define TRNS_ADD_ID(t,id) (((t) << 16) | ((id) & 0xFFFF))
#define TRNS_DEL_ID(t) ((short)((t) >> 16))
#define PFS_BASE (VFS_BASE + 100)
#define PFS_REQ_CHECK_PERMS (PFS_BASE + 1)
#define PFS_REQ_VERIFY_FD (PFS_BASE + 2)
#define PFS_REQ_SET_FILP (PFS_BASE + 3)
#define PFS_REQ_COPY_FILP (PFS_BASE + 4)
#define PFS_REQ_PUT_FILP (PFS_BASE + 5)
#define PFS_REQ_CANCEL_FD (PFS_BASE + 6)
#define PFS_NREQS 7
#define IS_PFS_VFS_RQ(type) (type >= PFS_BASE && \
type < (PFS_BASE + PFS_NREQS))
#endif