New since v5: - rebased on top of latest QEMU git master Thanks, --Gabriel >New since v4: > > - rebased on top of Marc's DMA series > - drop machine compat dependency for insertion into x86/ssdt > (patch 3/5), following agreement between Igor and Eduardo > - [mm]io register range now covers DMA register as well, if > available. > - s/bios/firmware in doc file updates > >>New since v3: >> >> - rebased to work on top of 87e896ab (introducing pc-*-25 classes), >> inserting fw_cfg acpi node only for machines >= 2.5. >> >> - reintroduce _STA with value 0x0B (bit 2 for u/i visibility turned >> off to avoid Windows complaining -- thanks Igor for catching that!) >> >>If there's any other feedback besides questions regarding the >>appropriateness of "QEMU0002" as the value of _HID, please don't hesitate! >> >>>New since v2: >>> >>> - pc/i386 node in ssdt only on machine types *newer* than 2.4 >>> (as suggested by Eduardo) >>> >>>I appreciate any further comments and reviews. Hopefully we can make >>>this palatable for upstream, modulo the lingering concerns about whether >>>"QEMU0002" is ok to use as the value of _HID, which I'll hopefully get >>>sorted out with the kernel crew... >>> >>>>New since v1: >>>> >>>> - expose control register size (suggested by Marc Marí) >>>> >>>> - leaving out _UID and _STA fields (thanks Shannon & Igor) >>>> >>>> - using "QEMU0002" as the value of _HID (thanks Michael) >>>> >>>> - added documentation blurb to docs/specs/fw_cfg.txt >>>> (mainly to record usage of the "QEMU0002" string with fw_cfg). >>>> >>>>> This series adds a fw_cfg device node to the SSDT (on pc), or to the >>>>> DSDT (on arm). >>>>> >>>>> - Patch 1/3 moves (and renames) the BIOS_CFG_IOPORT (0x510) >>>>> define from pc.c to pc.h, so that it could be used from >>>>> acpi-build.c in patch 2/3. >>>>> >>>>> - Patch 2/3 adds a fw_cfg node to the pc SSDT. >>>>> >>>>> - Patch 3/3 adds a fw_cfg node to the arm DSDT. >>>>> >>>>> I made up some names - "FWCF" for the node name, and "FWCF0001" >>>>> for _HID; no idea whether that's appropriate, or how else I should >>>>> figure out what to use instead... >>>>> >>>>> Also, using scope "\\_SB", based on where fw_cfg shows up in the >>>>> output of "info qtree". Again, if that's wrong, please point me in >>>>> the right direction. >>>>> >>>>> Re. 3/3 (also mentioned after the commit blurb in the patch itself), >>>>> I noticed none of the other DSDT entries contain a _STA field, wondering >>>>> why it would (not) make sense to include that, same as on the PC. Gabriel L. Somlo (5): fw_cfg: expose control register size in fw_cfg.h pc: fw_cfg: move ioport base constant to pc.h acpi: pc: add fw_cfg device node to ssdt acpi: arm: add fw_cfg device node to dsdt fw_cfg: document ACPI device node information docs/specs/fw_cfg.txt | 9 +++++++++ hw/arm/virt-acpi-build.c | 15 +++++++++++++++ hw/i386/acpi-build.c | 29 +++++++++++++++++++++++++++++ hw/i386/pc.c | 5 ++--- hw/nvram/fw_cfg.c | 4 +++- include/hw/i386/pc.h | 2 ++ include/hw/nvram/fw_cfg.h | 3 +++ 7 files changed, 63 insertions(+), 4 deletions(-) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
