vmw_balloon.c File Reference

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/workqueue.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <asm/hypervisor.h>

Go to the source code of this file.

Data Structures
struct	vmballoon

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	VMW_BALLOON_NOSLEEP_ALLOC_MAX   16384U
#define	VMW_BALLOON_RATE_ALLOC_MIN   512U
#define	VMW_BALLOON_RATE_ALLOC_MAX   2048U
#define	VMW_BALLOON_RATE_ALLOC_INC   16U
#define	VMW_BALLOON_RATE_FREE_MIN   512U
#define	VMW_BALLOON_RATE_FREE_MAX   16384U
#define	VMW_BALLOON_RATE_FREE_INC   16U
#define	VMW_BALLOON_SLOW_CYCLES   4
#define	VMW_PAGE_ALLOC_NOSLEEP   (__GFP_HIGHMEM|__GFP_NOWARN)
#define	VMW_PAGE_ALLOC_CANSLEEP   (GFP_HIGHUSER)
#define	VMW_BALLOON_YIELD_THRESHOLD   1024
#define	VMW_BALLOON_MAX_REFUSED   16
#define	VMW_BALLOON_HV_PORT   0x5670
#define	VMW_BALLOON_HV_MAGIC   0x456c6d6f
#define	VMW_BALLOON_PROTOCOL_VERSION   2
#define	VMW_BALLOON_GUEST_ID   1 /* Linux */
#define	VMW_BALLOON_CMD_START   0
#define	VMW_BALLOON_CMD_GET_TARGET   1
#define	VMW_BALLOON_CMD_LOCK   2
#define	VMW_BALLOON_CMD_UNLOCK   3
#define	VMW_BALLOON_CMD_GUEST_ID   4
#define	VMW_BALLOON_SUCCESS   0
#define	VMW_BALLOON_FAILURE   -1
#define	VMW_BALLOON_ERROR_CMD_INVALID   1
#define	VMW_BALLOON_ERROR_PPN_INVALID   2
#define	VMW_BALLOON_ERROR_PPN_LOCKED   3
#define	VMW_BALLOON_ERROR_PPN_UNLOCKED   4
#define	VMW_BALLOON_ERROR_PPN_PINNED   5
#define	VMW_BALLOON_ERROR_PPN_NOTNEEDED   6
#define	VMW_BALLOON_ERROR_RESET   7
#define	VMW_BALLOON_ERROR_BUSY   8
#define	VMWARE_BALLOON_CMD(cmd, data, result)
#define	STATS_INC(stat)

Functions
	MODULE_AUTHOR ("VMware, Inc.")
	MODULE_DESCRIPTION ("VMware Memory Control (Balloon) Driver")
	MODULE_VERSION ("1.2.1.3-k")
	MODULE_ALIAS ("dmi:*:svnVMware*:*")
	MODULE_ALIAS ("vmware_vmmemctl")
	MODULE_LICENSE ("GPL")
	module_init (vmballoon_init)
	module_exit (vmballoon_exit)

Macro Definition Documentation

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 34 of file vmw_balloon.c.

#define STATS_INC

(

stat

)

Definition at line 178 of file vmw_balloon.c.

#define VMW_BALLOON_CMD_GET_TARGET   1

Definition at line 116 of file vmw_balloon.c.

#define VMW_BALLOON_CMD_GUEST_ID   4

Definition at line 119 of file vmw_balloon.c.

#define VMW_BALLOON_CMD_LOCK   2

Definition at line 117 of file vmw_balloon.c.

#define VMW_BALLOON_CMD_START   0

Definition at line 115 of file vmw_balloon.c.

#define VMW_BALLOON_CMD_UNLOCK   3

Definition at line 118 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_BUSY   8

Definition at line 131 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_CMD_INVALID   1

Definition at line 124 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_PPN_INVALID   2

Definition at line 125 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_PPN_LOCKED   3

Definition at line 126 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_PPN_NOTNEEDED   6

Definition at line 129 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_PPN_PINNED   5

Definition at line 128 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_PPN_UNLOCKED   4

Definition at line 127 of file vmw_balloon.c.

#define VMW_BALLOON_ERROR_RESET   7

Definition at line 130 of file vmw_balloon.c.

#define VMW_BALLOON_FAILURE   -1

Definition at line 123 of file vmw_balloon.c.

#define VMW_BALLOON_GUEST_ID   1 /* Linux */

Definition at line 113 of file vmw_balloon.c.

#define VMW_BALLOON_HV_MAGIC   0x456c6d6f

Definition at line 111 of file vmw_balloon.c.

#define VMW_BALLOON_HV_PORT   0x5670

Definition at line 110 of file vmw_balloon.c.

#define VMW_BALLOON_MAX_REFUSED   16

Definition at line 105 of file vmw_balloon.c.

#define VMW_BALLOON_NOSLEEP_ALLOC_MAX   16384U

Definition at line 62 of file vmw_balloon.c.

#define VMW_BALLOON_PROTOCOL_VERSION   2

Definition at line 112 of file vmw_balloon.c.

#define VMW_BALLOON_RATE_ALLOC_INC   16U

Definition at line 70 of file vmw_balloon.c.

#define VMW_BALLOON_RATE_ALLOC_MAX   2048U

Definition at line 69 of file vmw_balloon.c.

#define VMW_BALLOON_RATE_ALLOC_MIN   512U

Definition at line 68 of file vmw_balloon.c.

#define VMW_BALLOON_RATE_FREE_INC   16U

Definition at line 77 of file vmw_balloon.c.

#define VMW_BALLOON_RATE_FREE_MAX   16384U

Definition at line 76 of file vmw_balloon.c.

#define VMW_BALLOON_RATE_FREE_MIN   512U

Definition at line 75 of file vmw_balloon.c.

#define VMW_BALLOON_SLOW_CYCLES   4

Definition at line 83 of file vmw_balloon.c.

#define VMW_BALLOON_SUCCESS   0

Definition at line 122 of file vmw_balloon.c.

#define VMW_BALLOON_YIELD_THRESHOLD   1024

Definition at line 102 of file vmw_balloon.c.

#define VMW_PAGE_ALLOC_CANSLEEP   (GFP_HIGHUSER)

Definition at line 99 of file vmw_balloon.c.

#define VMW_PAGE_ALLOC_NOSLEEP   (__GFP_HIGHMEM|__GFP_NOWARN)

Definition at line 90 of file vmw_balloon.c.

#define VMWARE_BALLOON_CMD	(		cmd,
			data,
			result
	)

Value:

({                          \
    unsigned long __stat, __dummy1, __dummy2;   \
    __asm__ __volatile__ ("inl (%%dx)" :        \
        "=a"(__stat),               \
        "=c"(__dummy1),             \
        "=d"(__dummy2),             \
        "=b"(result) :              \
        "0"(VMW_BALLOON_HV_MAGIC),      \
        "1"(VMW_BALLOON_CMD_##cmd),     \
        "2"(VMW_BALLOON_HV_PORT),       \
        "3"(data) :             \
        "memory");              \
    result &= -1UL;                 \
    __stat & -1UL;                  \
})

Definition at line 133 of file vmw_balloon.c.

Function Documentation

MODULE_ALIAS

(

"dmi:*:svnVMware*:*"

)

MODULE_ALIAS

(

"vmware_vmmemctl"

)

MODULE_AUTHOR	(	"	VMware,
		Inc."
	)

MODULE_DESCRIPTION

(

"VMware Memory Control (Balloon) Driver"

)

module_exit

(

vmballoon_exit

)

module_init

(

vmballoon_init

)

MODULE_LICENSE

(

"GPL"

)

MODULE_VERSION

(

"1.2.1.3-k"

)