Commit Graph

22212 Commits

Author SHA1 Message Date
Ruiyu Ni 7111e46fde MdeModulePkg/NvmExpressDxe: Notify NVME HW when system reset happens
Per NVM Express Spec, software should notify NVME HW when shutdown
occurs.

The NVME controller requires notification for shutdown as part of
its management of internal structures. Even with FUA, failing to
notify the NVME controller to shutdown power off causes the NVME
controller to take quite some time to organize its tables on the
next power on. This time exceeds the normal timeout, so we would
fail to boot the NVME disk.

The host should set the Shutdown Notification (CC.SHN) field to 01b
to indicate a normal shutdown operation. The controller indicates
when shutdown processing is completed by updating the Shutdown Status
(CSTS.SHST) field to 10b.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
2017-08-09 15:59:13 +08:00
Ruiyu Ni a607eb97ef MdePkg/Nvme: Add NVME shutdown notification related macros
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
2017-08-09 15:59:12 +08:00
Jiaxin Wu 2913ebb2b5 NetworkPkg/HttpBootDxe: Refine the coding style.
Cc: Ye Ting <ting.ye@intel.com>
Cc: Bi Dandan <dandan.bi@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
2017-08-09 08:29:55 +08:00
Laszlo Ersek 9e2a8e9289 OvmfPkg/AcpiPlatformDxe: short-circuit the transfer of an empty S3_CONTEXT
In commit 8057622527 ("OvmfPkg/AcpiPlatformDxe: save fw_cfg boot script
with QemuFwCfgS3Lib", 2017-02-23), we replaced the explicit S3 boot script
manipulation in TransferS3ContextToBootScript() with a call to
QemuFwCfgS3CallWhenBootScriptReady(). (Passing AppendFwCfgBootScript() as
callback.)

QemuFwCfgS3CallWhenBootScriptReady() checks for fw_cfg DMA up-front, and
bails with RETURN_NOT_FOUND if fw_cfg DMA is missing.

(This is justified as the goal of QemuFwCfgS3Lib is to "enable[] driver
modules [...] to produce fw_cfg DMA operations that are to be replayed at
S3 resume time".)

In turn, if QemuFwCfgS3CallWhenBootScriptReady() fails, then
OvmfPkg/AcpiPlatformDxe rolls back any earlier linker/loader script
processing, and falls back to the built-in ACPI tables.

(This is also justified because failure to save WRITE_POINTER commands for
replaying at S3 resume implies failure to process the linker/loader script
comprehensively.)

Calling QemuFwCfgS3CallWhenBootScriptReady() from
TransferS3ContextToBootScript() *unconditionally* is wrong however. For
the case when the linker/loader script contains no WRITE_POINTER commands,
the call perpetuated an earlier side effect, and introduced another one:

(1) On machine types that provide fw_cfg DMA (i.e., 2.5+),
    QemuFwCfgS3CallWhenBootScriptReady() would succeed, and allocate
    workspace for the boot script opcodes in reserved memory. However, no
    opcodes would actually be produced in the AppendFwCfgBootScript()
    callback, due to lack of any WRITE_POINTER commands.

    This waste of reserved memory had been introduced in earlier commit
    df73df138d ("OvmfPkg/AcpiPlatformDxe: replay
    QEMU_LOADER_WRITE_POINTER commands at S3", 2017-02-09).

(2) On machine types that lack fw_cfg DMA (i.e., 2.4 and earlier),
    TransferS3ContextToBootScript() would now fail the linker/loader
    script for no reason.

    (Note that QEMU itself prevents adding devices that depend on
    WRITE_POINTER if the machine type lacks fw_cfg DMA:

    $ qemu-system-x86_64 -M pc-q35-2.4 -device vmgenid

    qemu-system-x86_64: -device vmgenid: vmgenid requires DMA write
    support in fw_cfg, which this machine type does not provide)

Short-circuit an empty S3_CONTEXT in TransferS3ContextToBootScript() by
dropping S3_CONTEXT on the floor. This is compatible with the current
contract of the function as it constitutes a transfer of ownership.

Regression (2) was found and reported by Dhiru Kholia as an OSX guest boot
failure on the "pc-q35-2.4" machine type:

http://mid.mail-archive.com/CANO7a6x6EaWNZ8y=MvLU=w_LjRLXserO3NmsgHvaYE0aUCCWzg@mail.gmail.com

Dhiru bisected the issue to commit 8057622527.

Cc: Dhiru Kholia <dhiru.kholia@gmail.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Fixes: df73df138d
Fixes: 8057622527
Reported-by: Dhiru Kholia <dhiru.kholia@gmail.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Dhiru Kholia <dhiru.kholia@gmail.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
2017-08-08 15:10:45 +02:00
Star Zeng 4cf3f37c87 MdeModulePkg SerialDxe: Process timeout consistently in SerialRead
https://lists.01.org/pipermail/edk2-devel/2017-July/012385.html
reported the timeout processing in SerialRead is not consistent.

Since SerialPortPoll only checks the status of serial port and
returns immediately, and SerialPortRead does not really implement
a time out mechanism and will always wait for enough input,
it will cause below results:
1. If there is no serial input at all, this interface will return
timeout immediately without any waiting;
2. If there is A characters in serial port FIFO, and caller requires
A+1 characters, it will wait until a new input is coming and timeout
will not really occur.

This patch is to update SerialRead() to check SerialPortPoll() and
read data through SerialPortRead() one byte by one byte, and check
timeout against mSerialIoMode.Timeout if no input.

Cc: Heyi Guo <heyi.guo@linaro.org>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-08 14:16:28 +08:00
Jun Nie 6e414300b5 EmbeddedPkg/AndroidFastboot: split android boot header
Split android boot header definition to share code among
different applications and libraries.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-08-07 17:25:57 +01:00
Fan, Jeff dba1521c3d Edk2: Update UefiCpuPkg owner.
Cc: Jeff Fan <jeff.fan@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
2017-08-07 15:31:06 +08:00
Eric Dong e25352c207 UefiCpuPkg MtrrLib: Remove deprecated micro.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-07 15:28:14 +08:00
Eric Dong 1382ffb629 Vlv2TbltDevicePkg: Remove reference deprecated macro.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: David Wei <david.wei@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-07 15:28:13 +08:00
Eric Dong 309e799ba1 QuarkSocPkg MtrrLib: Remove reference deprecated macro.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-07 15:28:13 +08:00
Eric Dong b1bd0d7474 UefiCpuPkg CpuDxe: Remove reference deprecated macro.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-07 15:28:13 +08:00
Eric Dong ff481bc5c6 Vlv2TbltDevicePkg: Enhance get mtrr mask logic.
In order to not use the deprecated macro, refine
get mtrr mask value logic.

Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: David Wei <david.wei@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-07 15:28:12 +08:00
Eric Dong c894f83fe3 UefiCpuPkg CpuDxe: Enhance get mtrr mask logic.
In order to not use the deprecated macro, refine
get mtrr mask value logic.

Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-07 15:28:12 +08:00
Eric Dong 055fa1c666 QuarkSocPkg MtrrLib: Enhance get mtrr mask logic.
In order to not use the deprecated macro, refine
get mtrr mask value logic.

Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-08-07 15:28:12 +08:00
Chris Ruffin 8853c2afc5 BaseTools/Conf: apply nasmb, asm16 build rule order
Prioritize nasmb rule over asm16 where both source types are specified.

Change-Id: I33ec348dab66b313ddb05cb15f2d8407a648c320
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chris Ruffin <chris.ruffin@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2017-08-07 13:33:34 +08:00
Jiaxin Wu 97c567efd3 NetworkPkg/HttpDxe: Support HTTP Patch method
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
2017-08-07 09:03:50 +08:00
Laszlo Ersek 1fceaddb12 OvmfPkg/PlatformPei: support >=1TB high RAM, and discontiguous high RAM
In OVMF we currently get the upper (>=4GB) memory size with the
GetSystemMemorySizeAbove4gb() function.

The GetSystemMemorySizeAbove4gb() function is used in two places:

(1) It is the starting point of the calculations in GetFirstNonAddress().
    GetFirstNonAddress() in turn
    - determines the placement of the 64-bit PCI MMIO aperture,
    - provides input for the GCD memory space map's sizing (see
      AddressWidthInitialization(), and the CPU HOB in
      MiscInitialization()),
    - influences the permanent PEI RAM cap (the DXE core's page tables,
      built in permanent PEI RAM, grow as the RAM to map grows).

(2) In QemuInitializeRam(), GetSystemMemorySizeAbove4gb() determines the
    single memory descriptor HOB that we produce for the upper memory.

Respectively, there are two problems with GetSystemMemorySizeAbove4gb():

(1) It reads a 24-bit count of 64KB RAM chunks from the CMOS, and
    therefore cannot return a larger value than one terabyte.

(2) It cannot express discontiguous high RAM.

Starting with version 1.7.0, QEMU has provided the fw_cfg file called
"etc/e820". Refer to the following QEMU commits:

- 0624c7f916b4 ("e820: pass high memory too.", 2013-10-10),
- 7d67110f2d9a ("pc: add etc/e820 fw_cfg file", 2013-10-18)
- 7db16f2480db ("pc: register e820 entries for ram", 2013-10-10)

Ever since these commits in v1.7.0 -- with the last QEMU release being
v2.9.0, and v2.10.0 under development --, the only two RAM entries added
to this E820 map correspond to the below-4GB RAM range, and the above-4GB
RAM range. And, the above-4GB range exactly matches the CMOS registers in
question; see the use of "pcms->above_4g_mem_size":

  pc_q35_init() | pc_init1()
    pc_memory_init()
      e820_add_entry(0x100000000ULL, pcms->above_4g_mem_size, E820_RAM);
    pc_cmos_init()
      val = pcms->above_4g_mem_size / 65536;
      rtc_set_memory(s, 0x5b, val);
      rtc_set_memory(s, 0x5c, val >> 8);
      rtc_set_memory(s, 0x5d, val >> 16);

Therefore, remedy the above OVMF limitations as follows:

(1) Start off GetFirstNonAddress() by scanning the E820 map for the
    highest exclusive >=4GB RAM address. Fall back to the CMOS if the E820
    map is unavailable. Base all further calculations (such as 64-bit PCI
    MMIO aperture placement, GCD sizing etc) on this value.

    At the moment, the only difference this change makes is that we can
    have more than 1TB above 4GB -- given that the sole "high RAM" entry
    in the E820 map matches the CMOS exactly, modulo the most significant
    bits (see above).

    However, Igor plans to add discontiguous (cold-plugged) high RAM to
    the fw_cfg E820 RAM map later on, and then this scanning will adapt
    automatically.

(2) In QemuInitializeRam(), describe the high RAM regions from the E820
    map one by one with memory HOBs. Fall back to the CMOS only if the
    E820 map is missing.

    Again, right now this change only makes a difference if there is at
    least 1TB high RAM. Later on it will adapt to discontiguous high RAM
    (regardless of its size) automatically.

-*-

Implementation details: introduce the ScanOrAdd64BitE820Ram() function,
which reads the E820 entries from fw_cfg, and finds the highest exclusive
>=4GB RAM address, or produces memory resource descriptor HOBs for RAM
entries that start at or above 4GB. The RAM map is not read in a single
go, because its size can vary, and in PlatformPei we should stay away from
dynamic memory allocation, for the following reasons:

- "Pool" allocations are limited to ~64KB, are served from HOBs, and
  cannot be released ever.

- "Page" allocations are seriously limited before PlatformPei installs the
  permanent PEI RAM. Furthermore, page allocations can only be released in
  DXE, with dedicated code (so the address would have to be passed on with
  a HOB or PCD).

- Raw memory allocation HOBs would require the same freeing in DXE.

Therefore we process each E820 entry as soon as it is read from fw_cfg.

-*-

Considering the impact of high RAM on the DXE core:

A few years ago, installing high RAM as *tested* would cause the DXE core
to inhabit such ranges rather than carving out its home from the permanent
PEI RAM. Fortunately, this was fixed in the following edk2 commit:

  3a05b13106, "MdeModulePkg DxeCore: Take the range in resource HOB for
                PHIT as higher priority", 2015-09-18

which I regression-tested at the time:

  http://mid.mail-archive.com/55FC27B0.4070807@redhat.com

Later on, OVMF was changed to install its high RAM as tested (effectively
"arming" the earlier DXE core change for OVMF), in the following edk2
commit:

  035ce3b37c, "OvmfPkg/PlatformPei: Add memory above 4GB as tested",
                2016-04-21

which I also regression-tested at the time:

  http://mid.mail-archive.com/571E8B90.1020102@redhat.com

Therefore adding more "tested memory" HOBs is safe.

Cc: Jordan Justen <jordan.l.justen@intel.com>
Ref: https://bugzilla.redhat.com/show_bug.cgi?id=1468526
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
2017-08-05 03:45:09 +02:00
Brijesh Singh f6c909ae5d OvmfPkg/QemuFwCfgLib: Use BusMasterCommonBuffer to map FW_CFG_DMA_ACCESS
Commit 09719a01b1 (OvmfPkg/QemuFwCfgLib: Implement SEV internal function
for Dxe phase) uses IOMMU protocol to allocate and free FW_CFG_DMA_ACCESS
buffer when SEV is active. During initial commits we made assumption that
IOMMU.AllocateBuffer() will provide PlainTextAddress (i.e C-bit cleared).
This assumption was wrong, the AllocateBuffer() protocol member is not
expected to produce a buffer that is immediatly usable, and client is
required to call Map() uncondtionally with BusMasterCommonBuffer[64] to
get a mapping which is accessable by both host and device.

The patch refactors code a bit and add the support to Map()
FW_CFG_DMA_ACCESS buffer using BusMasterCommonBuffer operation after
allocation and Unamp() before free.

The complete discussion about this and recommendation from Laszlo can be
found here [1]

[1] https://lists.01.org/pipermail/edk2-devel/2017-July/012652.html

Suggested-by: Laszlo Ersek <lersek@redhat.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
[lersek@redhat.com: convert pointers to UINTN before converting to UINT64]
[lersek@redhat.com: fix argument indentation in multi-line function call]
[lersek@redhat.com: explicitly compare pointers to NULL]
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
2017-08-05 02:54:33 +02:00
Laszlo Ersek d0c9afea42 OvmfPkg/IoMmuDxe: Unmap(): recycle MAP_INFO after BusMasterCommonBuffer[64]
In order for Unmap() to be callable from ExitBootServices() event handler
context (for cleaning up a BusMasterCommonBuffer[64] operation), we have
to completely liberate the affected path in Unmap() from dynamic memory
management.

The last remaining piece is the release of the MAP_INFO structure. Rather
than freeing it with FreePool(), recycle it to an internal list. Elements
of this "free list" can be reused for any kind of Map() operation, and can
be freed later, or recycled again.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:53 +02:00
Laszlo Ersek f1658838c2 OvmfPkg/IoMmuDxe: abort harder on memory encryption mask failures
Upon a MemEncryptSevClearPageEncMask() failure in Map(), it wouldn't be
difficult to release the bounce buffer that was implicitly allocated for
BusMasterRead[64] and BusMasterWrite[64] operations. However, undoing any
partial memory encryption mask changes -- partial page splitting and PTE
modifications -- is practically impossible. (For example, restoring the
encryption mask on the entire range has no reason to fare any better than
the MemEncryptSevClearPageEncMask() call itself.)

For this reason, keep ASSERT_EFI_ERROR(), but hang in RELEASE builds too,
if MemEncryptSevClearPageEncMask() or MemEncryptSevSetPageEncMask() fails.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:53 +02:00
Laszlo Ersek 58e681406f OvmfPkg/IoMmuDxe: implement in-place decryption/encryption for Map/Unmap
At the moment, we have the following distribution of actions between the
IOMMU protocol member functions:

- AllocateBuffer() allocates pages and clears the memory encryption mask.

- FreeBuffer() re-sets the memory encryption mask, and deallocates pages.

- Map() does nothing at all when BusMasterCommonBuffer[64] is requested
  (and AllocateBuffer() was called previously). Otherwise, Map() allocates
  pages, and clears the memory encryption mask.

- Unmap() does nothing when cleaning up a BusMasterCommonBuffer[64]
  operation. Otherwise, Unmap() clears the encryption mask, and frees the
  pages.

This is wrong: the AllocateBuffer() protocol member is not expected to
produce a buffer that is immediately usable, and client code is required
to call Map() unconditionally, even if BusMasterCommonBuffer[64] is the
desired operation. Implement the right distribution of actions as follows:

- AllocateBuffer() allocates pages and does not touch the encryption mask.

- FreeBuffer() deallocates pages and does not touch the encryption mask.

- Map() does not allocate pages when BusMasterCommonBuffer[64] is
  requested, and it allocates pages (bounce buffer) otherwise.  Regardless
  of the BusMaster operation, Map() (and Map() only) clears the memory
  encryption mask.

- Unmap() restores the encryption mask unconditionally. If the operation
  was BusMasterCommonBuffer[64], then Unmap() does not release the pages.
  Otherwise, the pages (bounce buffer) are released.

This approach also ensures that Unmap() can be called from
ExitBootServices() event handlers, for cleaning up
BusMasterCommonBuffer[64] operations. (More specifically, for restoring
the SEV encryption mask on any in-flight buffers, after resetting any
referring devices.) ExitBootServices() event handlers must not change the
UEFI memory map, thus any memory allocation or freeing in Unmap() would
disqualify Unmap() from being called in such a context.

Map()-ing and Unmap()-ing memory for a BusMasterCommonBuffer[64] operation
effectively means in-place decryption and encryption in a SEV context. As
an additional hurdle, section "7.10.8 Encrypt-in-Place" of AMD publication
Nr.24593 implies that we need a separate temporary buffer for decryption
and encryption that will eventually land in-place. Allocating said
temporary buffer in the straightforward way would violate the above
allocation/freeing restrictions on Map()/Unmap(), therefore pre-allocate
this "stash buffer" too in AllocateBuffer(), and free it in FreeBuffer().

To completely rid Unmap() of dynamic memory impact, for
BusMasterCommonBuffer[64] operations, we're going to rework the lifecycle of
the MAP_INFO structures in a later patch.

(The MemEncryptSevSetPageEncMask() call in Unmap() could theoretically
allocate memory internally for page splitting, however this won't happen
in practice: in Unmap() we only restore the memory encryption mask, and
don't genuinely set it. Any page splitting will have occurred in Map()'s
MemEncryptSevClearPageEncMask() call first.)

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:53 +02:00
Laszlo Ersek e130229c0a OvmfPkg/IoMmuDxe: rework setup of "MapInfo->PlainTextAddress" in Map()
There are three issues with the current calculations:

- The initial logic that sets up "DmaMemoryTop" and "AllocateType" checks
  for the BusMasterCommonBuffer64 operation in two places. The inner check
  for BusMasterCommonBuffer64 will never evaluate to TRUE however, because
  the outer check excludes BusMasterCommonBuffer64.

- In order to lower "DmaMemoryTop" to (SIZE_4GB - 1), the outer check
  requires that the encrypted (original) buffer cross the 4GB mark. This
  is wrong: for BusMasterRead[64] and BusMasterWrite[64] operations, we
  unconditionally need a bounce buffer (a decrypted memory area), and for
  the 32-bit variants, "DmaMemoryTop" should be lowered regardless of the
  location of the original (encrypted) buffer.

- The current logic would be hard to extend for the in-place decryption
  that we'll implement in the next patch.

Therefore rework the "MapInfo->PlainTextAddress" setup. No functional
changes beyond said bugfixes.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:53 +02:00
Laszlo Ersek bc1c2e49ac OvmfPkg/IoMmuDxe: zero out pages before releasing them
Whenever we release the plaintext bounce buffer pages that were allocated
implicitly in Map() for BusMasterRead[64] and BusMasterWrite[64], we
restore the encryption mask on them. However, we should also rewrite the
area (fill it with zeros) so that the hypervisor is not left with a
plaintext view of the earlier data.

Similarly, whenever we release the plaintext common buffer pages that were
allocated explicitly in AllocateBuffer() for BusMasterCommonBuffer[64], we
restore the encryption mask on them.  However, we should also rewrite the
area (fill it with zeros) so that the hypervisor is not left with a
plaintext view of the earlier data.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:53 +02:00
Laszlo Ersek db7ea4d7c4 OvmfPkg/IoMmuDxe: clean up used library classes
The following library classes are not used by this module, so remove them
from the INF file's [LibraryClasses] section:
- DxeServicesTableLib
- UefiLib

The following library classes are used by this module, so add them to the
INF file's [LibraryClasses] section:
- BaseMemoryLib (e.g. via CopyMem())
- MemoryAllocationLib (e.g. via AllocatePool())

Sort the list of library classes (in both "IoMmuDxe.inf" and
"AmdSevIoMmu.h").

Remove all non-local #include directives from "IoMmuDxe.c"; both C files
of this module include "AmdSevIoMmu.h", and "AmdSevIoMmu.h" includes all
non-local headers already.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:53 +02:00
Laszlo Ersek db1250792c OvmfPkg/IoMmuDxe: propagate errors from AmdSevInstallIoMmuProtocol()
If we cannot install the IOMMU protocol for whatever reason, exit the
driver with an error. The same is already done for the IOMMU Absent
protocol.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:52 +02:00
Laszlo Ersek 5e365a97ec OvmfPkg/IoMmuDxe: don't initialize local variables
The edk2 coding style requires separate assignments.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:52 +02:00
Laszlo Ersek 60aa3a0e73 OvmfPkg/IoMmuDxe: convert UINTN arguments to UINT64 for the %Lx fmt spec
The portable way to print UINTN values is to use the %Lx format specifier,
and to convert the values to UINT64. The second step is currently missing,
add it.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:52 +02:00
Laszlo Ersek c7ef2ed274 OvmfPkg/IoMmuDxe: rename HostAddress to CryptedAddress in MAP_INFO
As a continuation of the last patch, clarify that the area pointed-to by
"HostAddress" is encrypted and hidden from the hypervisor.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:52 +02:00
Laszlo Ersek dc194ce36d OvmfPkg/IoMmuDxe: rename DeviceAddress to PlainTextAddress in MAP_INFO
In this particular IOMMU driver, "DeviceAddress" is just as accessible to
the CPU as "HostAddress", the difference is that the area pointed-to by
the former is plain-text and accessible to the hypervisor. Rename
"DeviceAddress" to "PlainTextAddress" in MAP_INFO.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:52 +02:00
Laszlo Ersek 812568fb87 OvmfPkg/IoMmuDxe: rewrap source code to 79 characters
No functional changes.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
2017-08-05 01:31:52 +02:00
Thomas Palmer 8dccfa6d48 OvmfPkg/IoMmuDxe: Fix header guard macro
Correct the header guard macro

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2017-08-05 01:20:01 +02:00
Dandan Bi ef3d1df77b MdeModulePkg/DisplayEngine: Fix incorrect display issue
In a form, some new menus may be dynamically inserted between highlight
menu and previous top of screen menu when some question are refreshed.
So the highlight menu and previous top of screen menu perhaps can't be
shown in one page. Existing codes miss to handle this case then will
cause incorrect display.This patch is to fix this display issue.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
2017-08-04 14:32:43 +08:00
Dandan Bi ba78032bc8 BaseTools/VfrCompile: Remove the MAX_PATH limitation
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=579

Since we have already used LongFilePath() to convert
file path, so we can remove the MAX_PATH limitation.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Daniel Díaz <daniel.diaz@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
2017-08-04 14:32:42 +08:00
Dandan Bi 8c1e13d327 BaseTools/VfrCompile: Fix segmentation fault issues
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=532

(1) Add NULL check before using a pointer.
(2) Use "%s" format string in DebugError function to
    avoid crash caused by incorrect input.

Cc: Bo Chen <chenbo@pdx.edu>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
2017-08-04 14:32:42 +08:00
Fu Siyuan 41c9011cc1 NetworkPkg: iSCSI should allow to set 6 or 12 length of ISID keyword.
The last 3 bytes of ISID should be able to changed by setting the keyword with
a value with length 6 (only last 3 bytes) or 12 (full ISID) according to the
keyword definition in UEFI configuration namespace website.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
2017-08-04 13:30:30 +08:00
Eric Dong bc2300577f UefiCpuPkg: Enable Processor Trace feature.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
2017-08-04 12:26:44 +08:00
Eric Dong a7e2a25377 UefiCpuPkg: Add Processor Trace feature definition.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
2017-08-04 12:26:44 +08:00
Eric Dong c7399a0cec UefiCpuPkg: Add Pcds used by processor trace feature.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
2017-08-04 12:26:43 +08:00
Hao Wu 8836448b3f UefiCpuPkg/Msr: Add a missing IvyBridge processor signature
This commit modifies the CPUID signature check MACRO for IvyBridge
processor by adding a missing DisplayModel 0x3E. The missing one appears
at Section 35.10.1 to Section 35.10.3 of the Intel(R) 64 and IA-32
Architectures Software Developer's Manual, Volume 3, September 2016.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
2017-08-04 09:06:31 +08:00
Star Zeng 483e2cddfa MdeModulePkg PeiCore: Install SEC HOB data
If the EFI_SEC_HOB_DATA_PPI is in the list of PPIs passed to the PEI
entry point, the PEI Foundation will call the GetHobs() member
function and install all HOBs returned into the HOB list. It does
this after installing all PPIs passed from SEC into the PPI database
and before dispatching any PEIMs.

Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2017-08-04 08:56:05 +08:00
Star Zeng 664d4c0a25 MdePkg: Add definition for SecHobData PPI
This PPI is introduced in PI Version 1.5.

Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2017-08-04 08:56:05 +08:00
Eric Dong 12c663822d UefiCpuPkg PiSmmCpuDxeSmm: Check LMCE capability when wait for AP.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
2017-08-04 08:49:05 +08:00
Eric Dong 3d6275c113 UefiCpuPkg CpuCommonFeaturesLib: Enable LMCE feature.
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
2017-08-04 08:49:05 +08:00
Eric Dong ac36ef87d4 UefiCpuPkg: Add definition for LMCE feature.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
2017-08-04 08:49:05 +08:00
Michael D Kinney 09cc872d02 OvmfPkg: Undo removal of License.txt
Undo removal of OvmfPkg/License.txt in commit

2a98de0344

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Andrew Fish <afish@apple.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-08-03 11:44:31 -07:00
Michael D Kinney 827a09d024 edk2: Add Readme.md to root of edk2 repository
https://bugzilla.tianocore.org/show_bug.cgi?id=643

Add Readme.md with a brief description of the EDK II
open source project along with links to contribution
agreement, licenses, and resources.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Andrew Fish <afish@apple.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-08-03 11:02:25 -07:00
Michael D Kinney 2a98de0344 edk2: Move License.txt file to root
https://bugzilla.tianocore.org/show_bug.cgi?id=642

Add top level License.txt file with the BSD 2-Clause
License that is used by the majority of the EKD II open
source project content.  Merge copyright statements
from the BSD 2-Clause License files in each package
directory and remove the duplication License.txt
file from package directories.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Andrew Fish <afish@apple.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-08-03 11:02:17 -07:00
Michael D Kinney f4a8878b09 edk2: Reformat TianoCore Contribution Agreement 1.1
https://bugzilla.tianocore.org/show_bug.cgi?id=629

Update formatting of Contributions.txt to line wrap
at 80 columns.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Andrew Fish <afish@apple.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-08-03 11:02:10 -07:00
Michael D Kinney b6538c118a edk2: Update to TianoCore Contribution Agreement 1.1
https://bugzilla.tianocore.org/show_bug.cgi?id=629

Update the TianoCore Contribution Agreement from Version 1.0
to Version 1.1 to cover open source documentation associated
with the TianoCore project.

Version 1.0 covers source code files.  Version 1.1 is a
backwards compatible extension that adds support for document
files in both source form and compiled form.

The edk2 repository is updated so the same contribution
agreement is used by developers that work on TianoCore
related source code or TianoCore related documents.

Links to RFC and Wiki on the GitBook documentation process
* https://lists.01.org/pipermail/edk2-devel/2017-March/008654.html
* https://github.com/tianocore-docs/edk2-TemplateSpecification/wiki

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Andrew Fish <afish@apple.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-08-03 11:02:02 -07:00
Michael D Kinney bbdd3bad1b edk2: Move TianoCore Contribution Agreement to root
https://bugzilla.tianocore.org/show_bug.cgi?id=629

Move Contributions.txt that contains the TianoCore
Contribution Agreement 1.0 to the root of the edk2
repository and remove the duplicate Contributions.txt
files from all packages.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Andrew Fish <afish@apple.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-08-03 11:01:53 -07:00