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qemu-android / qemu-android / edded454067bd9bda8a4a2a3ef54ae19474407da
commitedded454067bd9bda8a4a2a3ef54ae19474407da[log] [tgz]
authorDavid Gibson <david@gibson.dropbear.id.au>Wed Jun 27 14:50:46 2012 +1000
committerAnthony Liguori <aliguori@us.ibm.com>Wed Jun 27 16:33:26 2012 -0500
tree2d04e553becebb144efeb0ca85b53ba45c249bd3
parent5fa45de5623abd3a6d0b9575a4f014cbfe886b36 [diff]
pseries: Implement IOMMU and DMA for PAPR PCI devices

Currently the pseries machine emulation does not support DMA for emulated
PCI devices, because the PAPR spec always requires a (guest visible,
paravirtualized) IOMMU which was not implemented.  Now that we have
infrastructure for IOMMU emulation, we can correct this and allow PCI DMA
for pseries.

With the existing PAPR IOMMU code used for VIO devices, this is almost
trivial. We use a single DMAContext for each (virtual) PCI host bridge,
which is the usual configuration on real PAPR machines (which often have
_many_ PCI host bridges).

Cc: Alex Graf <agraf@suse.de>

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
4 files changed
tree: 2d04e553becebb144efeb0ca85b53ba45c249bd3
  1. audio/
  2. block/
  3. bsd-user/
  4. default-configs/
  5. docs/
  6. fpu/
  7. fsdev/
  8. gdb-xml/
  9. hw/
  10. include/
  11. libcacard/
  12. linux-headers/
  13. linux-user/
  14. net/
  15. pc-bios/
  16. qapi/
  17. qga/
  18. QMP/
  19. qom/
  20. roms/
  21. scripts/
  22. slirp/
  23. sysconfigs/
  24. target-alpha/
  25. target-arm/
  26. target-cris/
  27. target-i386/
  28. target-lm32/
  29. target-m68k/
  30. target-microblaze/
  31. target-mips/
  32. target-ppc/
  33. target-s390x/
  34. target-sh4/
  35. target-sparc/
  36. target-unicore32/
  37. target-xtensa/
  38. tcg/
  39. tests/
  40. trace/
  41. ui/
  42. .gitignore
  43. .gitmodules
  44. .mailmap
  45. a.out.h
  46. acl.c
  47. acl.h
  48. aes.c
  49. aes.h
  50. aio.c
  51. alpha-dis.c
  52. alpha.ld
  53. arch_init.c
  54. arch_init.h
  55. arm-dis.c
  56. arm.ld
  57. async.c
  58. balloon.c
  59. balloon.h
  60. bitmap.c
  61. bitmap.h
  62. bitops.c
  63. bitops.h
  64. block-migration.c
  65. block-migration.h
  66. block.c
  67. block.h
  68. block_int.h
  69. blockdev.c
  70. blockdev.h
  71. bswap.h
  72. bt-host.c
  73. bt-host.h
  74. bt-vhci.c
  75. buffered_file.c
  76. buffered_file.h
  77. cache-utils.c
  78. cache-utils.h
  79. Changelog
  80. cmd.c
  81. cmd.h
  82. CODING_STYLE
  83. compatfd.c
  84. compatfd.h
  85. compiler.h
  86. config.h
  87. configure
  88. console.c
  89. console.h
  90. COPYING
  91. COPYING.LIB
  92. coroutine-gthread.c
  93. coroutine-sigaltstack.c
  94. coroutine-ucontext.c
  95. coroutine-win32.c
  96. cpu-all.h
  97. cpu-common.h
  98. cpu-defs.h
  99. cpu-exec.c
  100. cpus.c
  101. cpus.h
  102. cputlb.c
  103. cputlb.h
  104. cris-dis.c
  105. cursor.c
  106. cursor_hidden.xpm
  107. cursor_left_ptr.xpm
  108. cutils.c
  109. def-helper.h
  110. device_tree.c
  111. device_tree.h
  112. dis-asm.h
  113. disas.c
  114. disas.h
  115. dma-helpers.c
  116. dma.h
  117. dump-stub.c
  118. dump.c
  119. dump.h
  120. dyngen-exec.h
  121. elf.h
  122. envlist.c
  123. envlist.h
  124. error.c
  125. error.h
  126. error_int.h
  127. event_notifier.c
  128. event_notifier.h
  129. exec-all.h
  130. exec-memory.h
  131. exec-obsolete.h
  132. exec.c
  133. gdbstub.c
  134. gdbstub.h
  135. gen-icount.h
  136. HACKING
  137. hmp-commands.hx
  138. hmp.c
  139. hmp.h
  140. host-utils.c
  141. host-utils.h
  142. hppa-dis.c
  143. hppa.ld
  144. i386-dis.c
  145. i386.ld
  146. ia64-dis.c
  147. ia64.ld
  148. input.c
  149. int128.h
  150. iohandler.c
  151. ioport.c
  152. ioport.h
  153. iorange.h
  154. iov.c
  155. iov.h
  156. json-lexer.c
  157. json-lexer.h
  158. json-parser.c
  159. json-parser.h
  160. json-streamer.c
  161. json-streamer.h
  162. kvm-all.c
  163. kvm-stub.c
  164. kvm.h
  165. libfdt_env.h
  166. LICENSE
  167. linux-aio.c
  168. lm32-dis.c
  169. m68k-dis.c
  170. m68k.ld
  171. main-loop.c
  172. main-loop.h
  173. MAINTAINERS
  174. Makefile
  175. Makefile.dis
  176. Makefile.hw
  177. Makefile.objs
  178. Makefile.target
  179. Makefile.user
  180. memory.c
  181. memory.h
  182. memory_mapping-stub.c
  183. memory_mapping.c
  184. memory_mapping.h
  185. microblaze-dis.c
  186. migration-exec.c
  187. migration-fd.c
  188. migration-tcp.c
  189. migration-unix.c
  190. migration.c
  191. migration.h
  192. mips-dis.c
  193. mips.ld
  194. module.c
  195. module.h
  196. monitor.c
  197. monitor.h
  198. nbd.c
  199. nbd.h
  200. net.c
  201. net.h
  202. notify.c
  203. notify.h
  204. os-posix.c
  205. os-win32.c
  206. osdep.c
  207. osdep.h
  208. oslib-posix.c
  209. oslib-win32.c
  210. path.c
  211. pci-ids.txt
  212. pflib.c
  213. pflib.h
  214. poison.h
  215. posix-aio-compat.c
  216. ppc-dis.c
  217. ppc.ld
  218. ppc64.ld
  219. qapi-schema-guest.json
  220. qapi-schema-test.json
  221. qapi-schema.json
  222. qbool.c
  223. qbool.h
  224. qdict-test-data.txt
  225. qdict.c
  226. qdict.h
  227. qemu-aio.h
  228. qemu-barrier.h
  229. qemu-bridge-helper.c
  230. qemu-char.c
  231. qemu-char.h
  232. qemu-common.h
  233. qemu-config.c
  234. qemu-config.h
  235. qemu-coroutine-int.h
  236. qemu-coroutine-io.c
  237. qemu-coroutine-lock.c
  238. qemu-coroutine-sleep.c
  239. qemu-coroutine.c
  240. qemu-coroutine.h
  241. qemu-doc.texi
  242. qemu-error.c
  243. qemu-error.h
  244. qemu-file.h
  245. qemu-ga.c
  246. qemu-img-cmds.hx
  247. qemu-img.c
  248. qemu-img.texi
  249. qemu-io.c
  250. qemu-lock.h
  251. qemu-log.c
  252. qemu-log.h
  253. qemu-nbd.c
  254. qemu-nbd.texi
  255. qemu-objects.h
  256. qemu-option.c
  257. qemu-option.h
  258. qemu-options-wrapper.h
  259. qemu-options.h
  260. qemu-options.hx
  261. qemu-os-posix.h
  262. qemu-os-win32.h
  263. qemu-progress.c
  264. qemu-queue.h
  265. qemu-sockets.c
  266. qemu-tech.texi
  267. qemu-thread-posix.c
  268. qemu-thread-posix.h
  269. qemu-thread-win32.c
  270. qemu-thread-win32.h
  271. qemu-thread.h
  272. qemu-timer-common.c
  273. qemu-timer.c
  274. qemu-timer.h
  275. qemu-tls.h
  276. qemu-tool.c
  277. qemu-user.c
  278. qemu-x509.h
  279. qemu-xattr.h
  280. qemu.sasl
  281. qemu_socket.h
  282. qerror.c
  283. qerror.h
  284. qfloat.c
  285. qfloat.h
  286. qint.c
  287. qint.h
  288. qjson.c
  289. qjson.h
  290. qlist.c
  291. qlist.h
  292. qmp-commands.hx
  293. qmp.c
  294. qobject.h
  295. qstring.c
  296. qstring.h
  297. qtest.c
  298. qtest.h
  299. range.h
  300. readline.c
  301. readline.h
  302. README
  303. rules.mak
  304. s390-dis.c
  305. s390.ld
  306. savevm.c
  307. sh4-dis.c
  308. softmmu-semi.h
  309. softmmu_defs.h
  310. softmmu_exec.h
  311. softmmu_header.h
  312. softmmu_template.h
  313. sparc-dis.c
  314. sparc.ld
  315. sparc64.ld
  316. spice-qemu-char.c
  317. sysemu.h
  318. targphys.h
  319. tcg-runtime.c
  320. tci-dis.c
  321. tci.c
  322. thunk.c
  323. thunk.h
  324. TODO
  325. trace-events
  326. translate-all.c
  327. uboot_image.h
  328. user-exec.c
  329. VERSION
  330. version.rc
  331. vgafont.h
  332. vl.c
  333. vmstate.h
  334. x86_64.ld
  335. xen-all.c
  336. xen-mapcache.c
  337. xen-mapcache.h
  338. xen-stub.c