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block: feature detection for host block support

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On Darwin (iOS), there are no system level APIs for directly accessing
host block devices. We detect this at configure time.

Signed-off-by: Joelle van Dyne <j@getutm.app>
Message-Id: <20210315180341.31638-2-j@getutm.app>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Joelle van Dyne 2021-03-15 11:03:38 -07:00 • committed by Paolo Bonzini
parent 18473467d5
commit 14176c8d05
3 changed files with 37 additions and 16 deletions
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14
qapi/block-core.json
View file

@ -897,7 +897,8 @@
'discriminator': 'driver',
'data': {
'file': 'BlockStatsSpecificFile',
'host_device': 'BlockStatsSpecificFile',
'host_device': { 'type': 'BlockStatsSpecificFile',
'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
'nvme': 'BlockStatsSpecificNvme' } }
##
@ -2814,7 +2815,10 @@
{ 'enum': 'BlockdevDriver',
'data': [ 'blkdebug', 'blklogwrites', 'blkreplay', 'blkverify', 'bochs',
'cloop', 'compress', 'copy-on-read', 'dmg', 'file', 'ftp', 'ftps',
'gluster', 'host_cdrom', 'host_device', 'http', 'https', 'iscsi',
'gluster',
{'name': 'host_cdrom', 'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
{'name': 'host_device', 'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
'http', 'https', 'iscsi',
'luks', 'nbd', 'nfs', 'null-aio', 'null-co', 'nvme', 'parallels',
'preallocate', 'qcow', 'qcow2', 'qed', 'quorum', 'raw', 'rbd',
{ 'name': 'replication', 'if': 'defined(CONFIG_REPLICATION)' },
@ -3995,8 +3999,10 @@
'ftp': 'BlockdevOptionsCurlFtp',
'ftps': 'BlockdevOptionsCurlFtps',
'gluster': 'BlockdevOptionsGluster',
'host_cdrom': 'BlockdevOptionsFile',
'host_device':'BlockdevOptionsFile',
'host_cdrom': { 'type': 'BlockdevOptionsFile',
'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
'host_device': { 'type': 'BlockdevOptionsFile',
'if': 'defined(HAVE_HOST_BLOCK_DEVICE)' },
'http': 'BlockdevOptionsCurlHttp',
'https': 'BlockdevOptionsCurlHttps',
'iscsi': 'BlockdevOptionsIscsi',