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hw: Deprecate -drive if=scsi with non-onboard HBAs

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Block backends defined with "-drive if=T" with T other than "none" are
meant to be picked up by machine initialization code: a suitable
frontend gets created and wired up automatically.

Drives defined with if=scsi are also picked up by SCSI HBAs added with
-device, unlike other interface types.  Deprecate this usage, as follows.

Create the frontends for onboard HBAs in machine initialization code,
exactly like we do for if=ide and other interface types.  Change
scsi_legacy_handle_cmdline() to create a frontend only when it's still
missing, and warn that this usage is deprecated.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487161136-9018-3-git-send-email-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2017-02-15 13:18:55 +01:00
parent fb8b660e17
commit a64aa5785d
9 changed files with 35 additions and 7 deletions
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2
include/hw/pci/pci.h
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@ -688,6 +688,8 @@ PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn,
PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name);
PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
void lsi53c895a_create(PCIBus *bus);
qemu_irq pci_allocate_irq(PCIDevice *pci_dev);
void pci_set_irq(PCIDevice *pci_dev, int level);