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libqos/ahci: add ahci_exec

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add ahci_exec, which is a standard purpose flexible command dispatcher
and tester for the AHCI device. The intent is to eventually cut down on
the absurd amount of boilerplate inside of the AHCI qtest.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1452282920-21550-8-git-send-email-jsnow@redhat.com
This commit is contained in:
John Snow 2016-01-11 14:10:43 -05:00
parent b682d3a7cf
commit 9350df7cea
2 changed files with 93 additions and 0 deletions
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17
tests/libqos/ahci.h
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@ -462,6 +462,21 @@ typedef struct PRD {
/* Opaque, defined within ahci.c */
typedef struct AHCICommand AHCICommand;
/* Options to ahci_exec */
typedef struct AHCIOpts {
size_t size;
unsigned prd_size;
uint64_t lba;
uint64_t buffer;
bool atapi;
bool atapi_dma;
bool error;
int (*pre_cb)(AHCIQState*, AHCICommand*, const struct AHCIOpts *);
int (*mid_cb)(AHCIQState*, AHCICommand*, const struct AHCIOpts *);
int (*post_cb)(AHCIQState*, AHCICommand*, const struct AHCIOpts *);
void *opaque;
} AHCIOpts;
/*** Macro Utilities ***/
#define BITANY(data, mask) (((data) & (mask)) != 0)
#define BITSET(data, mask) (((data) & (mask)) == (mask))
@ -569,6 +584,8 @@ AHCICommand *ahci_guest_io_halt(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
void ahci_guest_io_resume(AHCIQState *ahci, AHCICommand *cmd);
void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
void *buffer, size_t bufsize, uint64_t sector);
void ahci_exec(AHCIQState *ahci, uint8_t port,
uint8_t op, const AHCIOpts *opts);
/* Command Lifecycle */
AHCICommand *ahci_command_create(uint8_t command_name);