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d823a05aef
Add option to domain XML for
<memoryBacking>
<hugepages/>
</memoryBacking>
* configure.in: Add check for mntent.h
* qemud/libvirtd_qemu.aug, qemud/test_libvirtd_qemu.aug, src/qemu.conf
Add 'hugetlbfs_mount' config parameter
* src/qemu_conf.c, src/qemu_conf.h: Check for -mem-path flag in QEMU,
and pass it when hugepages are requested.
Load hugetlbfs_mount config parameter, search for mount if not given.
* src/qemu_driver.c: Free hugetlbfs_mount/path parameter in driver shutdown.
Create directory for QEMU hugepage usage, chowning if required.
* docs/formatdomain.html.in: Document memoryBacking/hugepages elements
* docs/schemas/domain.rng: Add memoryBacking/hugepages elements to schema
* src/util.c, src/util.h, src/libvirt_private.syms: Add virFileFindMountPoint
helper API
* tests/qemuhelptest.c: Add -mem-path constants
* tests/qemuxml2argvtest.c, tests/qemuxml2xmltest.c: Add tests for hugepage
handling
* tests/qemuxml2argvdata/qemuxml2argv-hugepages.xml,
tests/qemuxml2argvdata/qemuxml2argv-hugepages.args: Data files for
hugepage tests
53 lines
1.9 KiB
Plaintext
53 lines
1.9 KiB
Plaintext
(* /etc/libvirt/qemu.conf *)
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module Libvirtd_qemu =
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autoload xfm
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let eol = del /[ \t]*\n/ "\n"
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let value_sep = del /[ \t]*=[ \t]*/ " = "
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let indent = del /[ \t]*/ ""
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let array_sep = del /,[ \t\n]*/ ", "
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let array_start = del /\[[ \t\n]*/ "[ "
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let array_end = del /\]/ "]"
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let str_val = del /\"/ "\"" . store /[^\"]*/ . del /\"/ "\""
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let bool_val = store /0|1/
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let str_array_element = [ seq "el" . str_val ] . del /[ \t\n]*/ ""
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let str_array_val = counter "el" . array_start . ( str_array_element . ( array_sep . str_array_element ) * ) ? . array_end
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let str_entry (kw:string) = [ key kw . value_sep . str_val ]
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let bool_entry (kw:string) = [ key kw . value_sep . bool_val ]
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let str_array_entry (kw:string) = [ key kw . value_sep . str_array_val ]
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(* Config entry grouped by function - same order as example config *)
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let vnc_entry = str_entry "vnc_listen"
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| bool_entry "vnc_tls"
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| str_entry "vnc_tls_x509_cert_dir"
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| bool_entry "vnc_tls_x509_verify"
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| str_entry "vnc_password"
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| bool_entry "vnc_sasl"
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| str_entry "vnc_sasl_dir"
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| str_entry "security_driver"
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| str_entry "user"
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| str_entry "group"
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| str_array_entry "cgroup_controllers"
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| str_array_entry "cgroup_device_acl"
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| str_entry "save_image_format"
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| str_entry "hugetlbfs_mount"
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(* Each enty in the config is one of the following three ... *)
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let entry = vnc_entry
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let comment = [ label "#comment" . del /#[ \t]*/ "# " . store /([^ \t\n][^\n]*)?/ . del /\n/ "\n" ]
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let empty = [ label "#empty" . eol ]
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let record = indent . entry . eol
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let lns = ( record | comment | empty ) *
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let filter = incl "/etc/libvirt/qemu.conf"
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. Util.stdexcl
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let xfm = transform lns filter
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