qemu/net: flag to control the number of vectors a nic has

Add an option to specify the number of MSI-X vectors for PCI NIC cards. This
can also be used to disable MSI-X, for compatibility with old qemu. This
option currently only affects virtio cards.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
4 files changed
tree: a8eae458eecbafcfffa07bb196839ea2c37cbafe
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
  5. fpu/
  6. gdb-xml/
  7. hw/
  8. linux-user/
  9. pc-bios/
  10. slirp/
  11. target-alpha/
  12. target-arm/
  13. target-cris/
  14. target-i386/
  15. target-m68k/
  16. target-microblaze/
  17. target-mips/
  18. target-ppc/
  19. target-sh4/
  20. target-sparc/
  21. tcg/
  22. tests/
  23. .gitignore
  24. a.out.h
  25. acl.c
  26. acl.h
  27. aes.c
  28. aes.h
  29. aio.c
  30. alpha-dis.c
  31. alpha.ld
  32. arm-dis.c
  33. arm-semi.c
  34. arm.ld
  35. balloon.h
  36. block.c
  37. block.h
  38. block_int.h
  39. bswap.h
  40. bt-host.c
  41. bt-host.h
  42. bt-vhci.c
  43. buffered_file.c
  44. buffered_file.h
  45. cache-utils.c
  46. cache-utils.h
  47. Changelog
  48. cmd.c
  49. cmd.h
  50. cocoa.m
  51. CODING_STYLE
  52. configure
  53. console.c
  54. console.h
  55. COPYING
  56. COPYING.LIB
  57. cpu-all.h
  58. cpu-common.h
  59. cpu-defs.h
  60. cpu-exec.c
  61. cris-dis.c
  62. curses.c
  63. curses_keys.h
  64. cutils.c
  65. d3des.c
  66. d3des.h
  67. def-helper.h
  68. device_tree.c
  69. device_tree.h
  70. dis-asm.h
  71. disas.c
  72. disas.h
  73. dma-helpers.c
  74. dma.h
  75. dyngen-exec.h
  76. elf.h
  77. elf_ops.h
  78. exec-all.h
  79. exec.c
  80. feature_to_c.sh
  81. gdbstub.c
  82. gdbstub.h
  83. gen-icount.h
  84. host-utils.c
  85. host-utils.h
  86. hostregs_helper.h
  87. hpet.h
  88. hppa-dis.c
  89. hppa.ld
  90. hxtool
  91. i386-dis.c
  92. i386.ld
  93. ia64.ld
  94. keymaps.c
  95. keymaps.h
  96. kqemu.c
  97. kqemu.h
  98. kvm-all.c
  99. kvm.h
  100. libfdt_env.h
  101. LICENSE
  102. loader.c
  103. m68k-dis.c
  104. m68k-semi.c
  105. m68k.ld
  106. MAINTAINERS
  107. Makefile
  108. Makefile.hw
  109. Makefile.target
  110. microblaze-dis.c
  111. migration-exec.c
  112. migration-tcp.c
  113. migration.c
  114. migration.h
  115. mips-dis.c
  116. mips.ld
  117. mipsel.ld
  118. module.c
  119. module.h
  120. monitor.c
  121. monitor.h
  122. nbd.c
  123. nbd.h
  124. net-checksum.c
  125. net.c
  126. net.h
  127. osdep.c
  128. osdep.h
  129. pci-ids.txt
  130. posix-aio-compat.c
  131. posix-aio-compat.h
  132. ppc-dis.c
  133. ppc.ld
  134. ppc64.ld
  135. qemu-aio.h
  136. qemu-binfmt-conf.sh
  137. qemu-char.c
  138. qemu-char.h
  139. qemu-common.h
  140. qemu-doc.texi
  141. qemu-img-cmds.hx
  142. qemu-img.c
  143. qemu-img.texi
  144. qemu-io.c
  145. qemu-lock.h
  146. qemu-log.h
  147. qemu-malloc.c
  148. qemu-monitor.hx
  149. qemu-nbd.c
  150. qemu-nbd.texi
  151. qemu-option.c
  152. qemu-option.h
  153. qemu-options.hx
  154. qemu-sockets.c
  155. qemu-tech.texi
  156. qemu-thread.c
  157. qemu-thread.h
  158. qemu-timer.h
  159. qemu-tool.c
  160. qemu.sasl
  161. qemu_socket.h
  162. readline.c
  163. readline.h
  164. README
  165. rules.mak
  166. s390-dis.c
  167. s390.ld
  168. savevm.c
  169. sdl.c
  170. sdl_keysym.h
  171. sh4-dis.c
  172. softmmu-semi.h
  173. softmmu_defs.h
  174. softmmu_exec.h
  175. softmmu_header.h
  176. softmmu_template.h
  177. sparc-dis.c
  178. sparc.ld
  179. sparc64.ld
  180. sys-queue.h
  181. sysemu.h
  182. tap-win32.c
  183. targphys.h
  184. texi2pod.pl
  185. thunk.c
  186. thunk.h
  187. TODO
  188. tool-osdep.c
  189. translate-all.c
  190. uboot_image.h
  191. usb-bsd.c
  192. usb-linux.c
  193. usb-stub.c
  194. VERSION
  195. vgafont.h
  196. vl.c
  197. vnc-auth-sasl.c
  198. vnc-auth-sasl.h
  199. vnc-auth-vencrypt.c
  200. vnc-auth-vencrypt.h
  201. vnc-tls.c
  202. vnc-tls.h
  203. vnc.c
  204. vnc.h
  205. vnc_keysym.h
  206. vnchextile.h
  207. x86_64.ld
  208. x_keymap.c
  209. x_keymap.h