Target Testing with the SAS PacketMaker II
Contents
1. In order for the Get Dest Addrs and Insert Addr Info buttons to work correctly the port must first be mapped to a specific link This can be done in Hirdes od FAE ise Aese Tag Tay Por Tuma Tag estes Ott i n rrr EEL TT Riana A Resse bi Fam OO D Figure 8 Start Stop Command Sequence This will apply to the OPEN frames which are sent automatically as well as SSP and SMP frames which are scripted by the user The Get Dest Addrs button will automatically go through the phy reset sequence with each SAS device connected to each port After the Identification sequence the destination address of each device will be noted in the Dest Addr 0x field In order for the Get Dest Addrs button to work correctly the port must first be mapped to a specific link This can be done in the Port Links matrix see Figure 9 PORT LINKS MATRIX The Port Links Matrix maps specific ports to individual links One PM2 can have up to four links and two PM2 cards can be linked together continued on next graphics EOF Min Humber of ide CAWORDs LE wil COUNT for a total of eight possible links and ports A number of different links can be mapped to each port to emulate wide port conditions If the PM2 is in Port Mode and Link 1 is mapped to Port 1 as it is in Figure 10 then any packet stream scripted to Port 1 will go to Link 1 on the PM2 In this scenario pressing the Get Dest Addrs button in the Port Settings men2. Phone Intl 408 400 1000 Fin isa r Co rp ora tion Email networktools sales finisar com www finisar com USB Controlled Analyzers Bus Doctor RX 108 channels 64M events buffer Bus Doctor RX 108 channels 128M events buffer Bus Doctor RX 108 channels 256M events buffer RX 108P SLIM RX 108P FIT RX 108P BUFF Bus Doctor RX 252 channels 64M events buffer Bus Doctor RX 252 channels 128M events buffer Bus Doctor RX 252 channels 256M events buffer RX 252P SLIM RX 252P FIT RX 252P BUFF Bus Pods Serial Attached SCSI pod 1 5 amp 3 0 Gb s Serial ATA pod 1 5 amp 3 0 Gb s 5 DR SAS 3000 DR SATA 3000 DR SAS 3004 DR SAS 30W4 SAS Pod 4 Phy Link 1 5 amp 3 0 Gb s SATA Connectors SAS Pod 4 Phy Link 1 5 amp 3 0 Gb s MicroGIGA Connectors 1 Includes PM2 board GUI control software user manual and API 2 Includes PM DEV 3 Provides 3 SAS SATA focused PacketMaker II test tools that will dramatically cut the development process and time to market of new SAS SATA devices a Extreme SCSI issues any SCSI command to any device running the SAS SATA protocols b Extreme Manufacturing test environment is designed for SAS SATA peripheral testing as well as manufacturing DVT ORT incoming inspection and final inspection c Scriptgen is an easy to use tool for rapidly creating simple or complex test scripts 4 Requires a PacketMaker II Traffic Generator 5 Compa
3. SAS PacketMaker II serial Attached SCSI SAS Traffic Generator Exerciser Tester Application Note 45 re oe Oe SS PEA 5 55 a a ZZ onn ooo i i al dm e Target Testing with the SAS PacketMaker Il NWels Finisar Laat Fo OVERVIEW The Packet Maker II PM2 is a flexible traffic generator for Serial Attached SCSI and Serial ATA It provides full link control of bus traffic and an immense array of features allowing users to test a variety of SAS specifications This application note provides information on how to use the PM2 as a target tester using the user interface HARDWARE SETUP Using the PM2 and Bus Doctor SAS analyzer together is the best configuration for analyzing SAS devices Figure 1 shows a typical SAS testing set up The PM2 can be used to script a variety of traffic scenarios while the analyzer can be used to see detailed responses from the device under test LINK RESET SEQUENCE After the connecting the hardware the PM2 and target under test must be taken through a Link Reset Sequence see Figure 2 Only once the Link Reset sequence is completed can the device be ready to accept connections receive commands and send responses The simplest way to start a SAS target is to put the PM2 in Link mode see page 3 3 of the PacketMaker I Users Manual In Link mode each SAS frame will be scripted out individually Host Windo
4. dressing is automatic in Port Mode Connections will be addressed according to what is set in the Port Src Addr and Dest Addr fields Pedduia Fiera T ppa Finditt Hamran GSP idia 21 P dein GHP ia A Aard SSP T api STP Tagged SIP Tog Raetricted Defi Xi Cai Figure 4 Wait For IDENTIFY Sequence Fiancee Ped E A mip SE biome ee Pee Aree Se Se SS OC RS important to make sure the packet stream is addressed correctly Each SAS device has a global address and the PM2 must direct each packet in the packet stream to the correct address Each Outside Connection frame SSP frame and SMP frame has address fields that must be set correctly The easiest way to accomplish this is in the Configuration options under the Port Settings tab See pg 5 13 of the PM2 user manual ADDRESSING IN LINK MODE In Link Mode each frame is addressed according to its source and destination address fields These fields could be set manually but a faster method is to us the Port Settings parameters noted above The Get Dest Addrs button will automatically go through the phy reset Feee Fi Tek bites Reena ed de Samp Figure 5 Set SSP Initiator Field to True Address Fields The Device Type field must also be set correctly so that the PM2 will be able to put the addresses in the correct location ay Comedie File D Ha ast EEEN karegi Figure 6 Placing a Command Sequence Figure 7 Start Stop Command Sequence
5. tiator field to TRUE with the IDENTIFY frame see Figures 4 and 5 COMMANDS Once the Link Reset sequence is Figure 3 completed the PM2 and target are ready to send and receive commands The simplest way to accomplish this is to set the PM2 to Port Mode When the PM2 is in Port Mode all connection negotiations will be automated The PM2 will also automatically respond to DONE and CLOSE primitives received from the target Port Mode uses Command Sequences rather than packets Each Command Sequence represents a packet stream To send a command start by placing a Command Sequence See Figures 6 amp 7 Next assign it to a packet stream by double clicking on it For many types of commands the sub packet stream should only have a command frame in it with the appropriate command specified in the SCSI command field see Figure 8 ADDRESSING Before sending a packet stream in either Link Mode or Port Mode it is sequence with each SAS device connected to each port After the Identification sequence the destination address of each device will be noted in the Dest Addr 0x field Pressing the Insert Addr Info button will set the addresses in the active packet stream to the addresses specified in the Src Addr and Dest Addr fields This will also include Hashed the Port Links matrix ADDRESSING IN PORT MODE When the PM2 is set in Port Mode the Insert Addr Info button will not appear This is because the ad
6. tible with RX 108P Analyzers 6 Compatible with RX 252P Analyzers 1389 Moffett Park Drive Sunnyvale CA 94089 FROST amp SULLIVAN YI gt b a Market Leadership Award u SNIA Storage Networking Industry Association
7. u will set the target address of the device on Link 1 to the Dest Addr field of Port 1 CONCLUSION This application note provides detailed information on how to use the PM2 as a target tester Re liptions _ O gt i Heise Date Hetis Date Comes Link Typa Hordvere E radsi Gea D08 Oran Enar Poi Saling Pari Linka This meri dares which links ars used ky the ports Link Lik Link 3 Link 4 Ork Lik E Link 7 Link g oe ee ee ee ee O ee A EB Bf Hf ff Ff 8 8 ES Cec T TPCT T T k F r r Faa PF F FF F F rF ff SF fH 5S 5 SB SF fF co E oe ee le r Cr rn rrr rr gf m m O 5 SB M bipi eae Heas Date Hetis DataComm Link Type Herdvere E radsi Gerard COG Corea Eee Poise Pond Links Ta Link Flouting Aga ithe Device Ty ODd Figure 10 Port Settings PRODUCT ORDERING INFORMATION Model Number Description Model Number Description SAS Analyzers Related Products PacketMaker II Traffic Generators SAS PacketMaker II 1 Phy Link 1 5 Gb s 2 SAS PacketMaker II 4 Phy Link 1 5 Gb s 2 SAS PacketMaker II 4 Phy Link H W emulation 1 5 Gb s PM SAS 1501e PM SAS 1504e PM SAS 1504Qe PM SAS 3001e PM SAS 3002e SAS PacketMaker II 1 Phy Link 1 5 amp 3 0 Gb s 2 SAS PacketMaker II 4 Phy Link 1 5 amp 3 0 Gb s 2 Software PM DEV PacketMaker Development Software Upgrade 4 PM SVT PacketMaker II SAS Validation Tool 4 Phone US Toll Free 888 746 6484
8. w Pt Windcorers l Cantal PE 345 Fackeihaker Bus D oct r RX Analyzer Figure 1 PM2 and Bus Doctor Configuration In order to start a SAS target it is necessary to first complete the phy reset sequence through Out of Band signaling A typical OOB sequence would look like the following Initiator to Target COMRESET Target to Initiator COMINIT Initiator to Target COMSAS Target to Initiator COMSAS This sequence is accomplished in the PM2 by laying down a COMRESET COMINIT COMSAS packet PM2 currently operates at a top line rate of 3 0 Gb s so a SAS speed negotiation sequence take place i e 1 5 or 3 0 Gb s After the phy reset sequence a SAS initiator and target will go through an Identification sequence This sequence begins with the target sending the initiator an IDENTIFY frame If the PM2 is used as an initiator emulator the packet stream should have a Wait For IDENTIFY packet Link Reset Sequence Phy Reset Sequence OOB Sequence Speed Negotiation Sequence Identification Sequence Figure 2 Link Reset Sequence directly after the COMRESET COMINIT SAS packet see Figure 3 A Wait For IDENTIFY will cause the PM2 to pause in the packet stream and wait for a IDENTIFY frame from the target Once it receives the IDENTIFY frame the PM2 should respond with another IDENTIFY frame In order for the target to recognize the PM2 as a SAS initiator it is important to set the SSP Ini
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