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From: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
To: Igor Mammedov <imammedo@redhat.com>,
	"xiaoguangrong.eric@gmail.com" <xiaoguangrong.eric@gmail.com>
Cc: "peter.maydell@linaro.org" <peter.maydell@linaro.org>,
	"drjones@redhat.com" <drjones@redhat.com>,
	"shannon.zhaosl@gmail.com" <shannon.zhaosl@gmail.com>,
	Linuxarm <linuxarm@huawei.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Auger Eric <eric.auger@redhat.com>,
	"qemu-arm@nongnu.org" <qemu-arm@nongnu.org>,
	"xuwei \(O\)" <xuwei5@huawei.com>,
	"lersek@redhat.com" <lersek@redhat.com>
Subject: RE: [PATCH 0/5] ARM virt: Add NVDIMM support
Date: Thu, 28 Nov 2019 12:36:31 +0000	[thread overview]
Message-ID: <3d33c14d874346d78658511f72e44f5d@huawei.com> (raw)
In-Reply-To: <20191126095655.27227f59@redhat.com>

[-- Attachment #1: Type: text/plain, Size: 8502 bytes --]



> -----Original Message-----
> From: Qemu-devel
> [mailto:qemu-devel-bounces+shameerali.kolothum.thodi=huawei.com@nongn
> u.org] On Behalf Of Igor Mammedov
> Sent: 26 November 2019 08:57
> To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
> Cc: peter.maydell@linaro.org; drjones@redhat.com;
> xiaoguangrong.eric@gmail.com; shannon.zhaosl@gmail.com;
> qemu-devel@nongnu.org; Linuxarm <linuxarm@huawei.com>; Auger Eric
> <eric.auger@redhat.com>; qemu-arm@nongnu.org; xuwei (O)
> <xuwei5@huawei.com>; lersek@redhat.com
> Subject: Re: [PATCH 0/5] ARM virt: Add NVDIMM support

[..]

> > > 0xb8 Dirty No.  -->Another read is attempted
> > > > [Qemu]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buf size 0x8
> > > func_ret_status 3  --> Error status returned
> > >
> > > status 3 means that QEMU didn't like content of NRAM, and there is only
> > > 1 place like this in nvdimm_dsm_func_read_fit()
> > >     if (read_fit->offset > fit->len) {
> > >         func_ret_status = NVDIMM_DSM_RET_STATUS_INVALID;
> > >         goto exit;
> > >     }
> > >
> > > so I'd start looking from here and check that QEMU gets expected data
> > > in nvdimm_dsm_write(). In other words I'd try to trace/compare
> > > content of DSM buffer (from qemu side).
> >
> > I had printed the DSM buffer previously and it looked same, I will double check
> > that.

Tried printing the buffer in both Qemu/AML code.

On Amr64,
-------------
(1st iteration with offset 0)
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: Read FIT: offset 0 FIT size 0xb8 Dirty Yes.
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buff: 
[QEMU]NVDIMM BUF[0x0] = 0xC0
[QEMU]NVDIMM BUF[0x1] = 0x0
[QEMU]NVDIMM BUF[0x2] = 0x0
[QEMU]NVDIMM BUF[0x3] = 0x0
[QEMU]NVDIMM BUF[0x4] = 0x0
[QEMU]NVDIMM BUF[0x5] = 0x0
[QEMU]NVDIMM BUF[0x6] = 0x0
[QEMU]NVDIMM BUF[0x7] = 0x0
[QEMU]NVDIMM BUF[0x8] = 0x0
[QEMU]NVDIMM BUF[0x9] = 0x0
[QEMU]NVDIMM BUF[0xA] = 0x38
[QEMU]NVDIMM BUF[0xB] = 0x0
[QEMU]NVDIMM BUF[0xC] = 0x2
[QEMU]NVDIMM BUF[0xD] = 0x0
[QEMU]NVDIMM BUF[0xE] = 0x3
[QEMU]NVDIMM BUF[0xF] = 0x0
.........
[QEMU]NVDIMM BUF[0xBC] = 0x0
[QEMU]NVDIMM BUF[0xBD] = 0x0
[QEMU]NVDIMM BUF[0xBE] = 0x0
[QEMU]NVDIMM BUF[0xBF] = 0x0
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buf size 0xc0 func_ret_status 0 

"AML:NVDIMM-NCAL: Rcvd RLEN 00000000000000C0"
"AML:NVDIMM-NCAL TBUF[0000000000000000] = 0x00000000000000C0"
"AML:NVDIMM-NCAL TBUF[0000000000000001] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000002] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000003] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000004] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000005] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000006] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000007] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000008] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000009] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[000000000000000A] = 0x0000000000000038"
"AML:NVDIMM-NCAL TBUF[000000000000000B] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[000000000000000C] = 0x0000000000000002"
"AML:NVDIMM-NCAL TBUF[000000000000000D] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[000000000000000E] = 0x0000000000000003"
"AML:NVDIMM-NCAL TBUF[000000000000000F] = 0x0000000000000000"
...........
"AML:NVDIMM-NCAL TBUF[00000000000000BC] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[00000000000000BD] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[00000000000000BE] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[00000000000000BF] = 0x0000000000000000"
"AML:NVDIMM-NCAL: Creating OBUF with bytes 00000000000000BC"
"AML:NVDIMM-NCAL: Created  BUF(Local7) size 00000000000000BC"
"AML:NVDIMM-RFIT Rcvd buf size 00000000000000BC"
"AML:NVDIMM-RFIT Created NVDR.RFIT.BUFF size 00000000000000B8"
"AML:NVDIMM-FIT: Rcvd buf size 00000000000000B8"     -->All looks fine in first iteration.

(2nd iteration with offset 0xb8)
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: Read FIT: offset 0xb8 FIT size 0xb8 Dirty No.
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buff: 
[QEMU]NVDIMM BUF[0x0] = 0x8
[QEMU]NVDIMM BUF[0x1] = 0x0
[QEMU]NVDIMM BUF[0x2] = 0x0
[QEMU]NVDIMM BUF[0x3] = 0x0
[QEMU]NVDIMM BUF[0x4] = 0x0
[QEMU]NVDIMM BUF[0x5] = 0x0
[QEMU]NVDIMM BUF[0x6] = 0x0
[QEMU]NVDIMM BUF[0x7] = 0x0
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buf size 0x8 func_ret_status 0 

"AML:NVDIMM-NCAL: Rcvd RLEN 0000000000000008"
"AML:NVDIMM-NCAL TBUF[0000000000000000] = 0x0000000000000008"
"AML:NVDIMM-NCAL TBUF[0000000000000001] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000002] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000003] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000004] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000005] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000006] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000007] = 0x0000000000000000"
"AML:NVDIMM-NCAL: Creating OBUF with bytes 0000000000000004"   -->Requested size is 4
"AML:NVDIMM-NCAL: Created  BUF(Local7) size 0000000000000008" --> Created size is 8 !.
"AML:NVDIMM-RFIT Rcvd buf size 0000000000000008"
"AML:NVDIMM-RFIT Created NVDR.RFIT.BUFF size 0000000000000004" 
"AML:NVDIMM-FIT: Rcvd buf size 0000000000000008"  -->Again wrong here.

(3rd iteration with offset 0xc0 -->0xb8 + 0x8)
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: Read FIT: offset 0xc0 FIT size 0xb8 Dirty No.
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buff: 
[QEMU]NVDIMM BUF[0x0] = 0x8
[QEMU]NVDIMM BUF[0x1] = 0x0
[QEMU]NVDIMM BUF[0x2] = 0x0
[QEMU]NVDIMM BUF[0x3] = 0x0
[QEMU]NVDIMM BUF[0x4] = 0x3
[QEMU]NVDIMM BUF[0x5] = 0x0
[QEMU]NVDIMM BUF[0x6] = 0x0
[QEMU]NVDIMM BUF[0x7] = 0x0
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buf size 0x8 func_ret_status 3 

"AML:NVDIMM-NCAL: Rcvd RLEN 0000000000000008"
"AML:NVDIMM-NCAL TBUF[0000000000000000] = 0x0000000000000008"
"AML:NVDIMM-NCAL TBUF[0000000000000001] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000002] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000003] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000004] = 0x0000000000000003"
"AML:NVDIMM-NCAL TBUF[0000000000000005] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000006] = 0x0000000000000000"
"AML:NVDIMM-NCAL TBUF[0000000000000007] = 0x0000000000000000"
"AML:NVDIMM-NCAL: Created  BUF(Local7) size 0000000000000008"
"AML:NVDIMM-RFIT: Zero Buff return, status 0000000000000003"   -->Error status, return 
"AML:NVDIMM-FIT: Rcvd buf size 0000000000000000"
"AML:NVDIMM-FIT: _FIT returned size 00000000000000C0"
[KERNEL] acpi_nfit_init: NVDIMM: data 0xffff0000fc57de18 sz 0xc0


On x86
(1st iteration with offset 0)
-Same as ARM64

(2nd iteration with offset 0xb8)
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: Read FIT: offset 0xb8 FIT size 0xb8 Dirty No.
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buff: 
[QEMU]NVDIMM BUF[0x0] = 0x8
[QEMU]NVDIMM BUF[0x1] = 0x0
[QEMU]NVDIMM BUF[0x2] = 0x0
[QEMU]NVDIMM BUF[0x3] = 0x0
[QEMU]NVDIMM BUF[0x4] = 0x0
[QEMU]NVDIMM BUF[0x5] = 0x0
[QEMU]NVDIMM BUF[0x6] = 0x0
[QEMU]NVDIMM BUF[0x7] = 0x0
[QEMU]NVDIMM:nvdimm_dsm_func_read_fit: read_fit_out buf size 0x8 func_ret_status 0 
"AML:NVDIMM-NCAL: Rcvd RLEN 00000008"
"AML:NVDIMM-NCAL TBUF[00000000] = 0x00000008"
"AML:NVDIMM-NCAL TBUF[00000001] = 0x00000000"
"AML:NVDIMM-NCAL TBUF[00000002] = 0x00000000"
"AML:NVDIMM-NCAL TBUF[00000003] = 0x00000000"
"AML:NVDIMM-NCAL TBUF[00000004] = 0x00000000"
"AML:NVDIMM-NCAL TBUF[00000005] = 0x00000000"
"AML:NVDIMM-NCAL TBUF[00000006] = 0x00000000"
"AML:NVDIMM-NCAL TBUF[00000007] = 0x00000000"
"AML:NVDIMM-NCAL: Creating OBUF with bytes 00000004"
"AML:NVDIMM-NCAL: Created  BUF(Local7) size 00000004" -->Correct size
"AML:NVDIMM-RFIT Rcvd buf size 00000004"
"AML:NVDIMM-FIT: Rcvd buf size 00000000"   --> Hence there is no data payload. 
"AML:NVDIMM-FIT: _FIT returned size 000000B8"  --> No 3rd iteration. Return correct size. 
[KERNEL] acpi_nfit_init: NVDIMM: data 0xffff8c6abd5b5518 sz 0xb8

Attached the SSDT.dsl used for debugging. I am still not clear why on ARM64, 
2nd iteration case, the created buffer size in NCAL and RFIT methods have
additional 4 bytes!.

    CreateField (ODAT, Zero, Local1, OBUF)
    Concatenate (Buffer (Zero){}, OBUF, Local7)

Please let me know if you have any clue.

Thanks,
Shameer

.

[-- Attachment #2: SSDT-dbg2-arm64.dsl --]
[-- Type: application/octet-stream, Size: 7553 bytes --]

/*
 * Intel ACPI Component Architecture
 * AML/ASL+ Disassembler version 20180105 (64-bit version)
 * Copyright (c) 2000 - 2018 Intel Corporation
 * 
 * Disassembling to symbolic ASL+ operators
 *
 * Disassembly of SSDT, Mon Nov 18 16:09:53 2019
 *
 * Original Table Header:
 *     Signature        "SSDT"
 *     Length           0x000002EF (751)
 *     Revision         0x01
 *     Checksum         0xA4
 *     OEM ID           "BOCHS "
 *     OEM Table ID     "NVDIMM"
 *     OEM Revision     0x00000001 (1)
 *     Compiler ID      "BXPC"
 *     Compiler Version 0x00000001 (1)
 */
DefinitionBlock ("", "SSDT", 1, "BOCHS ", "NVDIMM", 0x00000002)
{
    Scope (\_SB)
    {
        Device (NVDR)
        {
            Name (_HID, "ACPI0012" /* NVDIMM Root Device */)  // _HID: Hardware ID
            Method (NCAL, 5, Serialized)
            {
                Local6 = MEMA /* \MEMA */
                OperationRegion (NPIO, SystemMemory, 0x09090000, 0x04)
                OperationRegion (NRAM, SystemMemory, Local6, 0x1000)
                Field (NPIO, DWordAcc, NoLock, Preserve)
                {
                    NTFI,   32
                }

                Field (NRAM, DWordAcc, NoLock, Preserve)
                {
                    HDLE,   32, 
                    REVS,   32, 
                    FUNC,   32, 
                    FARG,   32672
                }

                Field (NRAM, DWordAcc, NoLock, Preserve)
                {
                    RLEN,   32, 
                    ODAT,   32736
                }

                Field (NRAM, DWordAcc, NoLock, Preserve)
                {
                    TBUF,   32768
                }

                If ((Arg4 == Zero))
                {
                    Local0 = ToUUID ("2f10e7a4-9e91-11e4-89d3-123b93f75cba")
                }
                ElseIf ((Arg4 == 0x00010000))
                {
                    Local0 = ToUUID ("648b9cf2-cda1-4312-8ad9-49c4af32bd62")
                }
                Else
                {
                    Local0 = ToUUID ("4309ac30-0d11-11e4-9191-0800200c9a66")
                }

                If (((Local6 == Zero) | (Arg0 != Local0)))
                {
                    If ((Arg2 == Zero))
                    {
                        Return (Buffer (One)
                        {
                             0x00                                             // .
                        })
                    }

                    Return (Buffer (One)
                    {
                         0x01                                             // .
                    })
                }

                HDLE = Arg4
                REVS = Arg1
                FUNC = Arg2
                If (((ObjectType (Arg3) == 0x04) & (SizeOf (Arg3) == One)))
                {
                    Local2 = Arg3 [Zero]
                    Local3 = DerefOf (Local2)
                    FARG = Local3
                }

                NTFI = Local6
                printf("AML:NVDIMM-NCAL: Rcvd RLEN %o", RLEN)
                Local2 = Zero
                While (RLEN > Local2)
                {
                    printf("AML:NVDIMM-NCAL TBUF[%o] = 0x%o", Local2, Derefof(TBUF[local2]))
                    Local2 += 1	
				}

                Local1 = (RLEN - 0x04)
                printf("AML:NVDIMM-NCAL: Creating OBUF with bytes %o", Local1)
                Local1 = (Local1 << 0x03)
                CreateField (ODAT, Zero, Local1, OBUF)
                Concatenate (Buffer (Zero){}, OBUF, Local7)
                printf("AML:NVDIMM-NCAL: Created  BUF(Local7) size %o", SizeOf(Local7))
                Return (Local7)
            }

            Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
            {
                Return (NCAL (Arg0, Arg1, Arg2, Arg3, Zero))
            }

            Name (RSTA, Zero)
            Method (RFIT, 1, Serialized)
            {
                Name (OFST, Zero)
                OFST = Arg0
                Local0 = Buffer (Zero){}
                Local0 = NCAL (ToUUID ("648b9cf2-cda1-4312-8ad9-49c4af32bd62"), One, One, Package (0x01)
                        {
                            OFST
                        }, 0x00010000)
                CreateDWordField (Local0, Zero, STAU)
                RSTA = STAU /* \_SB_.NVDR.RFIT.STAU */
                If ((Zero != STAU))
                {
                    printf("AML:NVDIMM-RFIT: Zero Buff return, status %o", RSTA)
                    Return (Buffer (Zero){})
                }

                Local1 = SizeOf (Local0)
                printf("AML:NVDIMM-RFIT Rcvd buf size %o", Local1)
                Local1 -= 0x04
                If ((Local1 == Zero))
                {
                    Return (Buffer (Zero){})
                }

                CreateField (Local0, 0x20, (Local1 << 0x03), BUFF)
                printf("AML:NVDIMM-RFIT Created NVDR.RFIT.BUFF size %o", Local1)
                Return (BUFF) /* \_SB_.NVDR.RFIT.BUFF */
            }

            Method (_FIT, 0, Serialized)  // _FIT: Firmware Interface Table
            {
                Local2 = Buffer (Zero){}
                Local3 = Zero
                While (One)
                {
                    Local0 = Buffer (Zero){}
                    Local0 = RFIT (Local3)
                    Local1 = SizeOf (Local0)
                    printf("AML:NVDIMM-FIT: Rcvd buf size %o", Local1)
                    If ((RSTA == 0x0100))
                    {
                        Local2 = Buffer (Zero){}
                        Local3 = Zero
                    }
                    Else
                    {
                        If ((Local1 == Zero))
                        {
                           printf("AML:NVDIMM-FIT: _FIT returned size %o", SizeOf(Local2))
                           Return (Local2)
                        }
                      
                        Local3 += Local1
                        Concatenate (Local2, Local0, Local2)
                    }
                }
            }

            Device (NV00)
            {
                Name (_ADR, One)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, One))
                }
            }

            Device (NV01)
            {
                Name (_ADR, 0x02)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x02))
                }
            }

            Device (NV02)
            {
                Name (_ADR, 0x03)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x03))
                }
            }

            Device (NV03)
            {
                Name (_ADR, 0x04)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x04))
                }
            }

            Device (NV04)
            {
                Name (_ADR, 0x05)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x05))
                }
            }
        }
    }

    Name (MEMA, 0xFFFF0000)
}


[-- Attachment #3: SSDT-dbg2-x86.dsl --]
[-- Type: application/octet-stream, Size: 7545 bytes --]

/*
 * Intel ACPI Component Architecture
 * AML/ASL+ Disassembler version 20180105 (64-bit version)
 * Copyright (c) 2000 - 2018 Intel Corporation
 * 
 * Disassembling to symbolic ASL+ operators
 *
 * Disassembly of SSDT, Mon Nov 18 15:53:14 2019
 *
 * Original Table Header:
 *     Signature        "SSDT"
 *     Length           0x000002ED (749)
 *     Revision         0x01
 *     Checksum         0x3D
 *     OEM ID           "BOCHS "
 *     OEM Table ID     "NVDIMM"
 *     OEM Revision     0x00000001 (1)
 *     Compiler ID      "BXPC"
 *     Compiler Version 0x00000001 (1)
 */
DefinitionBlock ("", "SSDT", 1, "BOCHS ", "NVDIMM", 0x00000002)
{
    Scope (\_SB)
    {
        Device (NVDR)
        {
            Name (_HID, "ACPI0012" /* NVDIMM Root Device */)  // _HID: Hardware ID
            Method (NCAL, 5, Serialized)
            {
                Local6 = MEMA /* \MEMA */
                OperationRegion (NPIO, SystemIO, 0x0A18, 0x04)
                OperationRegion (NRAM, SystemMemory, Local6, 0x1000)
                Field (NPIO, DWordAcc, NoLock, Preserve)
                {
                    NTFI,   32
                }

                Field (NRAM, DWordAcc, NoLock, Preserve)
                {
                    HDLE,   32, 
                    REVS,   32, 
                    FUNC,   32, 
                    FARG,   32672
                }

                Field (NRAM, DWordAcc, NoLock, Preserve)
                {
                    RLEN,   32, 
                    ODAT,   32736
                }

                Field (NRAM, DWordAcc, NoLock, Preserve)
                {
                    TBUF,   32768
                }

                If ((Arg4 == Zero))
                {
                    Local0 = ToUUID ("2f10e7a4-9e91-11e4-89d3-123b93f75cba")
                }
                ElseIf ((Arg4 == 0x00010000))
                {
                    Local0 = ToUUID ("648b9cf2-cda1-4312-8ad9-49c4af32bd62")
                }
                Else
                {
                    Local0 = ToUUID ("4309ac30-0d11-11e4-9191-0800200c9a66")
                }

                If (((Local6 == Zero) | (Arg0 != Local0)))
                {
                    If ((Arg2 == Zero))
                    {
                        Return (Buffer (One)
                        {
                             0x00                                             // .
                        })
                    }

                    Return (Buffer (One)
                    {
                         0x01                                             // .
                    })
                }

                HDLE = Arg4
                REVS = Arg1
                FUNC = Arg2
                If (((ObjectType (Arg3) == 0x04) & (SizeOf (Arg3) == One)))
                {
                    Local2 = Arg3 [Zero]
                    Local3 = DerefOf (Local2)
                    FARG = Local3
                }

                NTFI = Local6
                printf("AML:NVDIMM-NCAL: Rcvd RLEN %o", RLEN)
                Local2 = Zero
                While (RLEN > Local2)
                {
                    printf("AML:NVDIMM-NCAL TBUF[%o] = 0x%o", Local2, Derefof(TBUF[local2]))
                    Local2 += 1	
				}

                Local1 = (RLEN - 0x04)
                printf("AML:NVDIMM-NCAL: Creating OBUF with bytes %o", Local1)
                Local1 = (Local1 << 0x03)
                CreateField (ODAT, Zero, Local1, OBUF)
                Concatenate (Buffer (Zero){}, OBUF, Local7)
                printf("AML:NVDIMM-NCAL: Created  BUF(Local7) size %o", SizeOf(Local7))
                Return (Local7)
            }

            Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
            {
                Return (NCAL (Arg0, Arg1, Arg2, Arg3, Zero))
            }

            Name (RSTA, Zero)
            Method (RFIT, 1, Serialized)
            {
                Name (OFST, Zero)
                OFST = Arg0
                Local0 = Buffer (Zero){}
                Local0 = NCAL (ToUUID ("648b9cf2-cda1-4312-8ad9-49c4af32bd62"), One, One, Package (0x01)
                        {
                            OFST
                        }, 0x00010000)
                CreateDWordField (Local0, Zero, STAU)
                RSTA = STAU /* \_SB_.NVDR.RFIT.STAU */
                If ((Zero != STAU))
                {
                    printf("AML:NVDIMM-RFIT: Zero Buff return, status %o", RSTA)
                    Return (Buffer (Zero){})
                }

                Local1 = SizeOf (Local0)
                printf("AML:NVDIMM-RFIT Rcvd buf size %o", Local1)
                Local1 -= 0x04
                If ((Local1 == Zero))
                {
                    Return (Buffer (Zero){})
                }

                CreateField (Local0, 0x20, (Local1 << 0x03), BUFF)
                printf("AML:NVDIMM-RFIT Created NVDR.RFIT.BUFF size %o", Local1)
                Return (BUFF) /* \_SB_.NVDR.RFIT.BUFF */
            }

            Method (_FIT, 0, Serialized)  // _FIT: Firmware Interface Table
            {
                Local2 = Buffer (Zero){}
                Local3 = Zero
                While (One)
                {
                    Local0 = Buffer (Zero){}
                    Local0 = RFIT (Local3)
                    Local1 = SizeOf (Local0)
                    printf("AML:NVDIMM-FIT: Rcvd buf size %o", Local1)
                    If ((RSTA == 0x0100))
                    {
                        Local2 = Buffer (Zero){}
                        Local3 = Zero
                    }
                    Else
                    {
                        If ((Local1 == Zero))
                        {
                           printf("AML:NVDIMM-FIT: _FIT returned size %o", SizeOf(Local2))
                           Return (Local2)
                        }
                      
                        Local3 += Local1
                        Concatenate (Local2, Local0, Local2)
                    }
                }
            }

            Device (NV00)
            {
                Name (_ADR, One)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, One))
                }
            }

            Device (NV01)
            {
                Name (_ADR, 0x02)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x02))
                }
            }

            Device (NV02)
            {
                Name (_ADR, 0x03)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x03))
                }
            }

            Device (NV03)
            {
                Name (_ADR, 0x04)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x04))
                }
            }

            Device (NV04)
            {
                Name (_ADR, 0x05)  // _ADR: Address
                Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                {
                    Return (NCAL (Arg0, Arg1, Arg2, Arg3, 0x05))
                }
            }
        }
    }

    Name (MEMA, 0xBFBFD000)
}


  parent reply	other threads:[~2019-11-28 12:49 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-04 15:52 [PATCH 0/5] ARM virt: Add NVDIMM support Shameer Kolothum
2019-10-04 15:52 ` [PATCH 1/5] hw/arm: Align ACPI blob len to PAGE size Shameer Kolothum
2019-11-08 16:17   ` Igor Mammedov
2019-11-11 12:47     ` Shameerali Kolothum Thodi
2019-12-09 13:04       ` Shameerali Kolothum Thodi
2019-10-04 15:52 ` [PATCH 2/5] nvdimm: Use configurable ACPI IO base and size Shameer Kolothum
2019-11-11 14:24   ` Igor Mammedov
2019-10-04 15:53 ` [PATCH 3/5] hw/arm/virt: Add nvdimm hot-plug infrastructure Shameer Kolothum
2019-11-11 14:38   ` Igor Mammedov
2019-10-04 15:53 ` [PATCH 4/5] hw/arm/boot: Expose the pmem nodes in the DT Shameer Kolothum
2019-11-11 14:46   ` Igor Mammedov
2019-10-04 15:53 ` [PATCH 5/5] hw/arm/virt: Add nvdimm hotplug support Shameer Kolothum
2019-11-12 13:01   ` Igor Mammedov
2019-10-18 16:39 ` [PATCH 0/5] ARM virt: Add NVDIMM support Auger Eric
2019-10-22 14:05   ` Shameerali Kolothum Thodi
2019-11-25 13:20   ` Shameerali Kolothum Thodi
2019-11-25 15:45     ` Igor Mammedov
2019-11-25 16:25       ` Shameerali Kolothum Thodi
2019-11-26  8:56         ` Igor Mammedov
2019-11-26  9:46           ` Andrew Jones
2019-11-28 12:36           ` Shameerali Kolothum Thodi [this message]
2019-12-09 17:39           ` Shameerali Kolothum Thodi
2019-12-11  7:57             ` Igor Mammedov
2019-12-13 12:52               ` Shameerali Kolothum Thodi
2020-01-06 17:06               ` Shameerali Kolothum Thodi
2020-01-09 17:13                 ` Igor Mammedov
2020-01-13 13:11                   ` Shameerali Kolothum Thodi
2019-11-12 14:39 ` Igor Mammedov

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