atapi: GESN: Use structs for commonly-used field types
Instead of using magic numbers, use structs that are more descriptive of the fields being used. Signed-off-by: Amit Shah <amit.shah@redhat.com> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
parent
493accd624
commit
8f8e834d70
@ -1088,11 +1088,23 @@ static void handle_get_event_status_notification(IDEState *s,
|
||||
uint8_t *buf,
|
||||
const uint8_t *packet)
|
||||
{
|
||||
struct {
|
||||
uint8_t opcode;
|
||||
uint8_t polled; /* lsb bit is polled; others are reserved */
|
||||
uint8_t reserved2[2];
|
||||
uint8_t class;
|
||||
uint8_t reserved3[2];
|
||||
uint16_t len;
|
||||
uint8_t control;
|
||||
} __attribute__((packed)) *gesn_cdb;
|
||||
|
||||
unsigned int max_len;
|
||||
|
||||
max_len = ube16_to_cpu(packet + 7);
|
||||
gesn_cdb = (void *)packet;
|
||||
max_len = be16_to_cpu(gesn_cdb->len);
|
||||
|
||||
if (!(packet[1] & 0x01)) { /* asynchronous mode */
|
||||
/* It is fine by the MMC spec to not support async mode operations */
|
||||
if (!(gesn_cdb->polled & 0x01)) { /* asynchronous mode */
|
||||
/* Only polling is supported, asynchronous mode is not. */
|
||||
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
||||
ASC_INV_FIELD_IN_CMD_PACKET);
|
||||
|
Loading…
Reference in New Issue
Block a user