From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============5822641929332465691==" MIME-Version: 1.0 From: Walker, Benjamin Subject: Re: [SPDK] Netlist storage card Date: Tue, 21 Feb 2017 16:56:04 +0000 Message-ID: <1487696162.38737.24.camel@intel.com> In-Reply-To: CAGcKcXQzq+0cv+NjLF=qxNbp9+9dJ0_V4HiGi1v_YJnHD-o4_A@mail.gmail.com List-ID: To: spdk@lists.01.org --===============5822641929332465691== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Sat, 2017-02-18 at 18:03 +1300, Dale Corlett wrote: > Hi, > = > For DMA, do I need to give the card physical addresses or are the > virtual addresses I get from spdk_malloc allowed due to the vfio > virtualization? Note that spdk_malloc returns the virtual address and the physical address of the memory. Which one you need depends on your device. The vast majority of PCI devices operate on physical/bus addresses. The Netlist card should have defined this in its hardware specification. > If I need to use physical address, should I use the spdk_vtophys > function? > I have tried using the spdk_vtophys function but I get the "could not > find 2MB 0x*somenumber* in DPDK mem config" error, does this mean > that I need to some how configure DPDK? Again, spdk_malloc returned the physical address when you called it in the phys_addr parameter. > = > Thanks, > Dale --===============5822641929332465691== Content-Type: application/x-pkcs7-signature MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIKdTCCBOsw ggPToAMCAQICEFLpAsoR6ESdlGU4L6MaMLswDQYJKoZIhvcNAQEFBQAwbzELMAkGA1UEBhMCU0Ux FDASBgNVBAoTC0FkZFRydXN0IEFCMSYwJAYDVQQLEx1BZGRUcnVzdCBFeHRlcm5hbCBUVFAgTmV0 d29yazEiMCAGA1UEAxMZQWRkVHJ1c3QgRXh0ZXJuYWwgQ0EgUm9vdDAeFw0xMzAzMTkwMDAwMDBa Fw0yMDA1MzAxMDQ4MzhaMHkxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJDQTEUMBIGA1UEBxMLU2Fu dGEgQ2xhcmExGjAYBgNVBAoTEUludGVsIENvcnBvcmF0aW9uMSswKQYDVQQDEyJJbnRlbCBFeHRl cm5hbCBCYXNpYyBJc3N1aW5nIENBIDRBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA 4LDMgJ3YSVX6A9sE+jjH3b+F3Xa86z3LLKu/6WvjIdvUbxnoz2qnvl9UKQI3sE1zURQxrfgvtP0b Pgt1uDwAfLc6H5eqnyi+7FrPsTGCR4gwDmq1WkTQgNDNXUgb71e9/6sfq+WfCDpi8ScaglyLCRp7 ph/V60cbitBvnZFelKCDBh332S6KG3bAdnNGB/vk86bwDlY6omDs6/RsfNwzQVwo/M3oPrux6y6z yIoRulfkVENbM0/9RrzQOlyK4W5Vk4EEsfW2jlCV4W83QKqRccAKIUxw2q/HoHVPbbETrrLmE6RR Z/+eWlkGWl+mtx42HOgOmX0BRdTRo9vH7yeBowIDAQABo4IBdzCCAXMwHwYDVR0jBBgwFoAUrb2Y ejS0Jvf6xCZU7wO94CTLVBowHQYDVR0OBBYEFB5pKrTcKP5HGE4hCz+8rBEv8Jj1MA4GA1UdDwEB /wQEAwIBhjASBgNVHRMBAf8ECDAGAQH/AgEAMDYGA1UdJQQvMC0GCCsGAQUFBwMEBgorBgEEAYI3 CgMEBgorBgEEAYI3CgMMBgkrBgEEAYI3FQUwFwYDVR0gBBAwDjAMBgoqhkiG+E0BBQFpMEkGA1Ud HwRCMEAwPqA8oDqGOGh0dHA6Ly9jcmwudHJ1c3QtcHJvdmlkZXIuY29tL0FkZFRydXN0RXh0ZXJu YWxDQVJvb3QuY3JsMDoGCCsGAQUFBwEBBC4wLDAqBggrBgEFBQcwAYYeaHR0cDovL29jc3AudHJ1 c3QtcHJvdmlkZXIuY29tMDUGA1UdHgQuMCygKjALgQlpbnRlbC5jb20wG6AZBgorBgEEAYI3FAID oAsMCWludGVsLmNvbTANBgkqhkiG9w0BAQUFAAOCAQEAKcLNo/2So1Jnoi8G7W5Q6FSPq1fmyKW3 sSDf1amvyHkjEgd25n7MKRHGEmRxxoziPKpcmbfXYU+J0g560nCo5gPF78Wd7ZmzcmCcm1UFFfIx fw6QA19bRpTC8bMMaSSEl8y39Pgwa+HENmoPZsM63DdZ6ziDnPqcSbcfYs8qd/m5d22rpXq5IGVU tX6LX7R/hSSw/3sfATnBLgiJtilVyY7OGGmYKCAS2I04itvSS1WtecXTt9OZDyNbl7LtObBrgMLh ZkpJW+pOR9f3h5VG2S5uKkA7Th9NC9EoScdwQCAIw+UWKbSQ0Isj2UFL7fHKvmqWKVTL98sRzvI3 seNC4DCCBYIwggRqoAMCAQICEzMAAIu5Kz5Fe8d0qN0AAAAAi7kwDQYJKoZIhvcNAQEFBQAweTEL MAkGA1UEBhMCVVMxCzAJBgNVBAgTAkNBMRQwEgYDVQQHEwtTYW50YSBDbGFyYTEaMBgGA1UEChMR SW50ZWwgQ29ycG9yYXRpb24xKzApBgNVBAMTIkludGVsIEV4dGVybmFsIEJhc2ljIElzc3Vpbmcg Q0EgNEEwHhcNMTcwMTA5MjEyMzU4WhcNMTgwMTA0MjEyMzU4WjBFMRkwFwYDVQQDExBXYWxrZXIs IEJlbmphbWluMSgwJgYJKoZIhvcNAQkBFhliZW5qYW1pbi53YWxrZXJAaW50ZWwuY29tMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxFugJYk4Vd/Yvdmr8BdnGDdCkN1bc1KNCAQBhzC/ BWXw5nxpXWMYFBkTxahM78PtuwdtPDFqoHsMNEaX0miWeYjB6zKbKl7y0LEsSxlu9wjllEdWTYOP 9/m3UC0oITDn7L01adbsD5Sin6W1FMmjcBVrD51oy2orpwfvan3TNVRRQxt8dQz38hivXnona5tt toi+V8ved7o251HApvEwW7QtDfdML+RmBKBSf0MzGjZHPzoBfRrsBUZ0yRHJxlkYNeY99EAUUHwT npsySQSf0cxLmvA6/a4qPOUSitHit+cJQ58/EOt6PLrPGAbdu5sz9O+Iv+FUJakwUtg0sAY4RQID AQABo4ICNTCCAjEwHQYDVR0OBBYEFAU2hsr+3sx/M5e5WafmYD18VvX1MB8GA1UdIwQYMBaAFB5p KrTcKP5HGE4hCz+8rBEv8Jj1MGUGA1UdHwReMFwwWqBYoFaGVGh0dHA6Ly93d3cuaW50ZWwuY29t L3JlcG9zaXRvcnkvQ1JML0ludGVsJTIwRXh0ZXJuYWwlMjBCYXNpYyUyMElzc3VpbmclMjBDQSUy MDRBLmNybDCBnwYIKwYBBQUHAQEEgZIwgY8waQYIKwYBBQUHMAKGXWh0dHA6Ly93d3cuaW50ZWwu Y29tL3JlcG9zaXRvcnkvY2VydGlmaWNhdGVzL0ludGVsJTIwRXh0ZXJuYWwlMjBCYXNpYyUyMElz c3VpbmclMjBDQSUyMDRBLmNydDAiBggrBgEFBQcwAYYWaHR0cDovL29jc3AuaW50ZWwuY29tLzAL BgNVHQ8EBAMCB4AwPAYJKwYBBAGCNxUHBC8wLQYlKwYBBAGCNxUIhsOMdYSZ5VGD/YEohY6fU4KR wAlngd69OZXwQwIBZAIBCTAfBgNVHSUEGDAWBggrBgEFBQcDBAYKKwYBBAGCNwoDDDApBgkrBgEE AYI3FQoEHDAaMAoGCCsGAQUFBwMEMAwGCisGAQQBgjcKAwwwTwYDVR0RBEgwRqApBgorBgEEAYI3 FAIDoBsMGWJlbmphbWluLndhbGtlckBpbnRlbC5jb22BGWJlbmphbWluLndhbGtlckBpbnRlbC5j b20wDQYJKoZIhvcNAQEFBQADggEBAMQUzXgrfwDLl92M7wNqp24Xe1poeurJ8YVAy5a2UukwC/uX uXE8Duoz2jMJL90QETn17H7EQQu1J7kc059H6GyDU42MkzPA3mqZQimrTgOaalPXxWXoVl/UUoLB PJZXGF3Ef1p8b1UVdSnZZ8wTD/QTUw7UhgljKZ1td/raLV1h96x6lKCVkZ0UKU8be5M3FHQ/GZJ9 CgUjvN0m2mYOUHDkNzsUTJb4bsV7vZDa3zixm4Gxu2F/uq328AEJ6JJmXA+jjFOzQ0FI8sa7XOSR 1UPvZSrwyA00M/zFZaDTln+sFPFNseYYGYFU7P711D8Wj1Hv1V/C2G4rSRBJG5f1WF8xggIXMIIC EwIBATCBkDB5MQswCQYDVQQGEwJVUzELMAkGA1UECBMCQ0ExFDASBgNVBAcTC1NhbnRhIENsYXJh MRowGAYDVQQKExFJbnRlbCBDb3Jwb3JhdGlvbjErMCkGA1UEAxMiSW50ZWwgRXh0ZXJuYWwgQmFz aWMgSXNzdWluZyBDQSA0QQITMwAAi7krPkV7x3So3QAAAACLuTAJBgUrDgMCGgUAoF0wGAYJKoZI hvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMTcwMjIxMTY1NjAyWjAjBgkqhkiG 9w0BCQQxFgQUPBU7aHPPNiebFzFHRjEC8VW7rpMwDQYJKoZIhvcNAQEBBQAEggEAgWVd3bvOxhwJ nMU/CdGBYFk8nAUyJazIjMqzV0q8AsAEaeT2T7dO7qG1WZDUDB1GF9D/aRKOHOdY6jhyT8GEBU5B EoErsB/gArvYvReZwkXbVhsRSWIXvlk6oSmc4BSfFKrah84TIxxOYNW62HrsSy+V0a8vYl2vj0ca W2wQlducApX+EUENfpnXxZLL/mQBH+xEkIuqwWdie0z6Rjp/l+f6goSMaTDxEH8O+hGf+G9m//C7 InLNiW472t5sMk/r1TFgjBYb/sew1P7/SGru1+ETPW5NaYpYST0uLiHnGY1YHblGora9KSdYPqbR o+UeckyUqAqo1tJ5oBV9q+shtQAAAAAAAA== --===============5822641929332465691==--