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fw_cfg: make calls typesafe 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-12-18 12:01:09 +01:00 committed by Anthony Liguori
parent 8c52c8f320
commit c2b5bda43a
2 changed files with 21 additions and 21 deletions
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24
hw/fw_cfg.c
View File

@ -45,11 +45,11 @@ typedef struct _FWCfgEntry {
FWCfgCallback callback;
} FWCfgEntry;
typedef struct _FWCfgState {
struct _FWCfgState {
FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
uint16_t cur_entry;
uint32_t cur_offset;
} FWCfgState;
};
static void fw_cfg_write(FWCfgState *s, uint8_t value)
{
@ -210,9 +210,8 @@ static const VMStateDescription vmstate_fw_cfg = {
}
};
int fw_cfg_add_bytes(void *opaque, uint16_t key, uint8_t *data, uint32_t len)
int fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len)
{
FWCfgState *s = opaque;
int arch = !!(key & FW_CFG_ARCH_LOCAL);
key &= FW_CFG_ENTRY_MASK;
@ -226,37 +225,36 @@ int fw_cfg_add_bytes(void *opaque, uint16_t key, uint8_t *data, uint32_t len)
return 1;
}
int fw_cfg_add_i16(void *opaque, uint16_t key, uint16_t value)
int fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value)
{
uint16_t *copy;
copy = qemu_malloc(sizeof(value));
*copy = cpu_to_le16(value);
return fw_cfg_add_bytes(opaque, key, (uint8_t *)copy, sizeof(value));
return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value));
}
int fw_cfg_add_i32(void *opaque, uint16_t key, uint32_t value)
int fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value)
{
uint32_t *copy;
copy = qemu_malloc(sizeof(value));
*copy = cpu_to_le32(value);
return fw_cfg_add_bytes(opaque, key, (uint8_t *)copy, sizeof(value));
return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value));
}
int fw_cfg_add_i64(void *opaque, uint16_t key, uint64_t value)
int fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value)
{
uint64_t *copy;
copy = qemu_malloc(sizeof(value));
*copy = cpu_to_le64(value);
return fw_cfg_add_bytes(opaque, key, (uint8_t *)copy, sizeof(value));
return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value));
}
int fw_cfg_add_callback(void *opaque, uint16_t key, FWCfgCallback callback,
int fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback,
void *callback_opaque, uint8_t *data, size_t len)
{
FWCfgState *s = opaque;
int arch = !!(key & FW_CFG_ARCH_LOCAL);
if (!(key & FW_CFG_WRITE_CHANNEL))
@ -275,7 +273,7 @@ int fw_cfg_add_callback(void *opaque, uint16_t key, FWCfgCallback callback,
return 1;
}
void *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
target_phys_addr_t ctl_addr, target_phys_addr_t data_addr)
{
FWCfgState *s;

14
hw/fw_cfg.h
View File

@ -37,13 +37,15 @@
#ifndef NO_QEMU_PROTOS
typedef void (*FWCfgCallback)(void *opaque, uint8_t *data);
int fw_cfg_add_bytes(void *opaque, uint16_t key, uint8_t *data, uint32_t len);
int fw_cfg_add_i16(void *opaque, uint16_t key, uint16_t value);
int fw_cfg_add_i32(void *opaque, uint16_t key, uint32_t value);
int fw_cfg_add_i64(void *opaque, uint16_t key, uint64_t value);
int fw_cfg_add_callback(void *opaque, uint16_t key, FWCfgCallback callback,
typedef struct _FWCfgState FWCfgState;
int fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len);
int fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value);
int fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value);
int fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value);
int fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback,
void *callback_opaque, uint8_t *data, size_t len);
void *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
int fw_cfg_add_file(FWCfgState *s, uint8_t type, uint8_t *data, uint32_t len);
FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
target_phys_addr_t crl_addr, target_phys_addr_t data_addr);
#endif /* NO_QEMU_PROTOS */