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Message type for CDEV_{READ,WRITE,IOCTL}

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Change-Id: Ia89c98410d3775fe3b6621576eadd186d60ec894
This commit is contained in:
Lionel Sambuc
2014-06-06 13:00:39 +02:00
parent ca7231fbef
commit b41d3ab74e
4 changed files with 42 additions and 36 deletions
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10
include/minix/com.h
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@@ -1009,16 +1009,6 @@
#define CDEV_SEL1_REPLY (CDEV_RS_BASE + 1) /* immediate select reply */
#define CDEV_SEL2_REPLY (CDEV_RS_BASE + 2) /* select notification reply */
/* Field names for block device messages. */
#define CDEV_MINOR m10_i1 /* minor device number */
#define CDEV_GRANT m10_i2 /* grant ID of buffer */
#define CDEV_COUNT m10_i3 /* number of bytes to transfer */
#define CDEV_USER m10_i3 /* endpoint of user process */
#define CDEV_FLAGS m10_i4 /* transfer flags */
#define CDEV_ID m10_l1 /* opaque request ID */
#define CDEV_REQUEST m10_l2 /* I/O control request */
#define CDEV_POS m10_ull1 /* transfer position */
/* Bits in 'CDEV_ACCESS' field of block device open requests. */
# define CDEV_R_BIT 0x01 /* open with read access */
# define CDEV_W_BIT 0x02 /* open with write access */

15
include/minix/ipc.h
View File

@@ -1592,6 +1592,20 @@ typedef struct {
} mess_vfs_lchardriver_openclose;
_ASSERT_MSG_SIZE(mess_vfs_lchardriver_openclose);
typedef struct {
off_t pos;
cp_grant_id_t grant;
size_t count;
int request;
int flags;
endpoint_t id;
endpoint_t user;
devminor_t minor;
uint8_t padding[20];
} mess_vfs_lchardriver_readwrite;
_ASSERT_MSG_SIZE(mess_vfs_lchardriver_readwrite);
typedef struct {
devminor_t minor;
int ops;
@@ -1889,6 +1903,7 @@ typedef struct {
mess_vfs_lchardriver_cancel m_vfs_lchardriver_cancel;
mess_vfs_lchardriver_openclose m_vfs_lchardriver_openclose;
mess_vfs_lchardriver_readwrite m_vfs_lchardriver_readwrite;
mess_vfs_lchardriver_select m_vfs_lchardriver_select;
mess_vfs_utimens m_vfs_utimens;