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libqos/ahci: create libqos/ahci.c

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With global state removed, code responsible for booting up,
verifying, and initializing the AHCI HBA is extracted and
inserted into libqos/ahci.c, which would allow for other
qtests in the future to quickly grab a meaningfully initialized
reference to an AHCI HBA.

Even without other users, functionalizing and isolating the code
assists future AHCI tests that exercise Q35 migration.

For now, libqos/ahci.o will be PC-only, but can be expanded into
something arch-agnostic in the future, if needed.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-16-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
John Snow 2015-01-19 15:16:03 -05:00 • committed by Stefan Hajnoczi
parent f3dd2da4cc
commit 9a75b0a037
4 changed files with 280 additions and 226 deletions
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11
tests/libqos/ahci.h
View file

@ -28,7 +28,7 @@
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include "libqos/libqos.h"
#include "libqos/pci.h"
#include "libqos/malloc-pc.h"
@ -423,4 +423,13 @@ static inline void ahci_px_clr(AHCIQState *ahci, uint8_t port,
ahci_px_rreg(ahci, port, reg_num) & ~mask);
}
/*** Prototypes ***/
uint64_t ahci_alloc(AHCIQState *ahci, size_t bytes);
void ahci_free(AHCIQState *ahci, uint64_t addr);
QPCIDevice *get_ahci_device(uint32_t *fingerprint);
void free_ahci_device(QPCIDevice *dev);
void ahci_pci_enable(AHCIQState *ahci);
void start_ahci_device(AHCIQState *ahci);
void ahci_hba_enable(AHCIQState *ahci);
#endif