From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41AABC001B0 for ; Mon, 24 Jul 2023 13:24:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231300AbjGXNY1 (ORCPT ); Mon, 24 Jul 2023 09:24:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231361AbjGXNYT (ORCPT ); Mon, 24 Jul 2023 09:24:19 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 151401BC7 for ; Mon, 24 Jul 2023 06:24:05 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id d9443c01a7336-1bba04b9df3so8480575ad.0 for ; Mon, 24 Jul 2023 06:24:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1690205045; x=1690809845; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=GpbTjD0yxv686Ebx8A/vi/einFmGUAwE1VLNI0PofI8=; b=DMBePHZ9Rd97OarOmsU5s59KrY0QuDE1E1BDGQmT01mUwPJhpDXl2dBhZhwzVWz09B VaaMV1V9ttRfPVHZAlUrlG4O41T/Cd99JBTM5hJWMwpbLraAxOjQabhTb4073nkxTH6S lZ7g7v/uMJui3VI9ZsqqlEIA5rzzU6SYryc7s= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690205045; x=1690809845; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=GpbTjD0yxv686Ebx8A/vi/einFmGUAwE1VLNI0PofI8=; b=E+1xNx3hRyj/W2N6h0Z5SH8KpKI069eTC+z90/1lM7+8pacoc7tAFyg9kQ4CUJpwuB 59DEXZ8i4BriW9yWBkLXWWHTznRbBHSa/2l5qQPMC4LR5JZ5njHlxushBv37C56meMDv 4ij+B90EStD/wkryHY3BjSsnQMiTkhbOFO67QqXoI5+up2a3h09YcmsiaPIE26N4LsUp NRDoLaqGsayuSXFCjNkms5deXziyzsOBfzz7BFyf0fdpI1bbegzBndhp+5++tzUDi6GJ gjau8zRok+zz/QoGoRkEE+8Y+FPKCKz4u60WeBW7h2VP4U/HNfHgUGUW/lVA8cvq8uDj p7ow== X-Gm-Message-State: ABy/qLZJS3HEzegl3/5Ehqpr/spb3uMrzyu2gMnpMI63X3GzmqHXXkGa pnmA2ZWwmHYuVmZ9wsakGkDd1wTnLbdY0G8byuvEBIDhyK4j3sgCqMO7aZjaMseQFzZwvWNRM1A XAHgW8lhuaPYiSA3PU2xmYe5t+azoeDuBNcrYp80u60BUU+dB9D4jh+YCTPc45VRPp4AEOq8orV Lu2LNlTh/nJA== X-Google-Smtp-Source: APBJJlEjYK8BVe7zPCo0zELmlC2JBUPAwqod4K+OGctPTY8xAdPn68M4rvZf1nwuW5W97eMMG4b1gw== X-Received: by 2002:a17:902:b7ca:b0:1b6:6bf0:eb8f with SMTP id v10-20020a170902b7ca00b001b66bf0eb8fmr11948774plz.38.1690205044788; Mon, 24 Jul 2023 06:24:04 -0700 (PDT) Received: from localhost.localdomain ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id s8-20020a170902ea0800b001b9e0918b0asm8917887plg.169.2023.07.24.06.24.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 06:24:04 -0700 (PDT) From: Ranjan Kumar To: linux-scsi@vger.kernel.org, martin.petersen@oracle.com Cc: rajsekhar.chundru@broadcom.com, sathya.prakash@broadcom.com, sumit.saxena@broadcom.com, chandrakanth.patil@broadcom.com, sreekanth.reddy@broadcom.com, Ranjan Kumar Subject: [PATCH v1 1/6] mpi3mr: Invokes soft reset upon TSU or event ack time out Date: Mon, 24 Jul 2023 18:52:58 +0530 Message-Id: <20230724132303.19470-2-ranjan.kumar@broadcom.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230724132303.19470-1-ranjan.kumar@broadcom.com> References: <20230724132303.19470-1-ranjan.kumar@broadcom.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000050f49206013b87cc" Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org --00000000000050f49206013b87cc Content-Transfer-Encoding: 8bit When a timestamp update or an event acknowledgment command times out, the driver invokes soft reset handler to recover the controller while holding a mutex lock.The soft reset handler also tries to acquire the same mutex to send initialization commands to the controller which leads to a deadlock scenario . To resolve the issue the driver will check the controller status and if it is operational,the driver will issue a diagnostic fault reset and exit out of the command processing function.If the controller is already faulted or asynchronously reset, then the driver will just exit the command processing function. Signed-off-by: Ranjan Kumar --- drivers/scsi/mpi3mr/mpi3mr_fw.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 5fa07d6ee5b8..11b78d4a87a0 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -2343,8 +2343,8 @@ static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc) ioc_err(mrioc, "Issue IOUCTL time_stamp: command timed out\n"); mrioc->init_cmds.is_waiting = 0; if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET)) - mpi3mr_soft_reset_handler(mrioc, - MPI3MR_RESET_FROM_TSU_TIMEOUT, 1); + mpi3mr_check_rh_fault_ioc(mrioc, + MPI3MR_RESET_FROM_TSU_TIMEOUT); retval = -1; goto out_unlock; } @@ -3359,8 +3359,8 @@ int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event, if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { ioc_err(mrioc, "Issue EvtNotify: command timed out\n"); if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET)) - mpi3mr_soft_reset_handler(mrioc, - MPI3MR_RESET_FROM_EVTACK_TIMEOUT, 1); + mpi3mr_check_rh_fault_ioc(mrioc, + MPI3MR_RESET_FROM_EVTACK_TIMEOUT); retval = -1; goto out_unlock; } -- 2.31.1 --00000000000050f49206013b87cc Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQbQYJKoZIhvcNAQcCoIIQXjCCEFoCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3EMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 e6EKaaNaNZUy30q3ArEf30ZDpXyfCtiXnupjSK8WU2cK4qsEtj09JS4+mhi0CTCrCnXAzum3tgcH cHRg0prcSzzEUDQWoFxyuqwiwhHu3sPQNmFOMwIDAQABo4IB2jCCAdYwDgYDVR0PAQH/BAQDAgGG MGAGA1UdJQRZMFcGCCsGAQUFBwMCBggrBgEFBQcDBAYKKwYBBAGCNxQCAgYKKwYBBAGCNwoDBAYJ KwYBBAGCNxUGBgorBgEEAYI3CgMMBggrBgEFBQcDBwYIKwYBBQUHAxEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUljPR5lgXWzR1ioFWZNW+SN6hj88wHwYDVR0jBBgwFoAUj/BLf6guRSSu TVD6Y5qL3uLdG7wwegYIKwYBBQUHAQEEbjBsMC0GCCsGAQUFBzABhiFodHRwOi8vb2NzcC5nbG9i YWxzaWduLmNvbS9yb290cjMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5j b20vY2FjZXJ0L3Jvb3QtcjMuY3J0MDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwuZ2xvYmFs c2lnbi5jb20vcm9vdC1yMy5jcmwwWgYDVR0gBFMwUTALBgkrBgEEAaAyASgwQgYKKwYBBAGgMgEo CjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAN BgkqhkiG9w0BAQsFAAOCAQEAdAXk/XCnDeAOd9nNEUvWPxblOQ/5o/q6OIeTYvoEvUUi2qHUOtbf jBGdTptFsXXe4RgjVF9b6DuizgYfy+cILmvi5hfk3Iq8MAZsgtW+A/otQsJvK2wRatLE61RbzkX8 9/OXEZ1zT7t/q2RiJqzpvV8NChxIj+P7WTtepPm9AIj0Keue+gS2qvzAZAY34ZZeRHgA7g5O4TPJ /oTd+4rgiU++wLDlcZYd/slFkaT3xg4qWDepEMjT4T1qFOQIL+ijUArYS4owpPg9NISTKa1qqKWJ jFoyms0d0GwOniIIbBvhI2MJ7BSY9MYtWVT5jJO3tsVHwj4cp92CSFuGwunFMzCCA18wggJHoAMC AQICCwQAAAAAASFYUwiiMA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0dsb2JhbFNpZ24gUm9v dCBDQSAtIFIzMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTA5 MDMxODEwMDAwMFoXDTI5MDMxODEwMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNpZ24wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2hMoonv0FdhHFrYhy/EYCQ8eyip0E XyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+J J5U4nwbXPsnLJlkNc96wyOkmDoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8u nPvQu7/1PQDhBjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZphYIXAgMBAAGj QjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSP8Et/qC5FJK5N UPpjmove4t0bvDANBgkqhkiG9w0BAQsFAAOCAQEAS0DbwFCq/sgM7/eWVEVJu5YACUGssxOGhigH M8pr5nS5ugAtrqQK0/Xx8Q+Kv3NnSoPHRHt44K9ubG8DKY4zOUXDjuS5V2yq/BKW7FPGLeQkbLmU Y/vcU2hnVj6DuM81IcPJaP7O2sJTqsyQiunwXUaMld16WCgaLx3ezQA3QY/tRG3XUyiXfvNnBB4V 14qWtNPeTCekTBtzc3b0F5nCH3oO4y0IrQocLP88q1UOD5F+NuvDV0m+4S4tfGCLw0FREyOdzvcy a5QBqJnnLDMfOjsl0oZAzjsshnjJYS8Uuu7bVW/fhO4FCU29KNhyztNiUGUe65KXgzHZs7XKR1g/ XzCCBUwwggQ0oAMCAQICDExX4+q15YXlYbDuOzANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMjExMTQxMjAzMThaFw0yNTExMTQxMjAzMThaMIGO MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xFTATBgNVBAMTDFJhbmphbiBLdW1hcjEoMCYGCSqGSIb3DQEJ ARYZcmFuamFuLmt1bWFyQGJyb2FkY29tLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBAOgccBnKTcRY5ViAG6iAGKWZ8pjYBaC0yPSOnu903VijdPFPnRdvshVcVxr6QvmlBCzKJaet zZlOdDzH9Sh5FfHxwia1H790mce+cjggA6koNdslP25m4SfoAUcvLxNk1koVjbyxvNPG40Mlg8f8 Dp9JubCHz3kEFHjItKFkpS8CHMR1Hx4Cnws434zD/pz1TMUmYyq1kma0Vi8YPVlwkaHgq4J/9Lw/ GK2Ee6ez7fr/FL1RWbOPVHJR+deNIorOjW7U5HVwnRYhM1OR4mAkrkqcN+3kwae0KmVO3SDKFd7h Ok4L2e1ixyaRTo379Ur3iVTnagglDOliayMGRITBPe0CAwEAAaOCAdowggHWMA4GA1UdDwEB/wQE AwIFoDCBowYIKwYBBQUHAQEEgZYwgZMwTgYIKwYBBQUHMAKGQmh0dHA6Ly9zZWN1cmUuZ2xvYmFs c2lnbi5jb20vY2FjZXJ0L2dzZ2NjcjNwZXJzb25hbHNpZ24yY2EyMDIwLmNydDBBBggrBgEFBQcw AYY1aHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAw TQYDVR0gBEYwRDBCBgorBgEEAaAyASgKMDQwMgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2Jh bHNpZ24uY29tL3JlcG9zaXRvcnkvMAkGA1UdEwQCMAAwSQYDVR0fBEIwQDA+oDygOoY4aHR0cDov L2NybC5nbG9iYWxzaWduLmNvbS9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAyMC5jcmwwJAYDVR0R BB0wG4EZcmFuamFuLmt1bWFyQGJyb2FkY29tLmNvbTATBgNVHSUEDDAKBggrBgEFBQcDBDAfBgNV HSMEGDAWgBSWM9HmWBdbNHWKgVZk1b5I3qGPzzAdBgNVHQ4EFgQU8WuEiYXvpeCaubgLCCFoyRBc 8QwwDQYJKoZIhvcNAQELBQADggEBAA5th3yz1fvJCBmK21x68IdDNFC0gmynT76I3fOgslLHc7ey lC9VXLb+vJ863blS/WxEOwf0fvc0ks7qYWl8xisInHu5AX9glaooGhLImlzE0l9rDf0tcq2kkgc4 CXL9UGDEoqdxfRj3j9xn9fm9gpTBWSck6ufc/8RV1TLVjcZvrYkMqQwoVulGkr+HCnzaEFxBRmO/ nWsVitGa1sKS9usFXoW1bQXgJ9TtRdy8gka8b9SaKnh4TaiEKpdl8ztXhugWp7RpFGVu/ZZ8narx 0H1L9W/UIr3J/uYokdFr+hIrXOfOwJLB18bWOTCVWxTEo4zYC8qZ/h7UcS5aispm/rkxggJtMIIC aQIBATBrMFsxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQD EyhHbG9iYWxTaWduIEdDQyBSMyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwAgxMV+PqteWF5WGw7jsw DQYJYIZIAWUDBAIBBQCggdQwLwYJKoZIhvcNAQkEMSIEIEW37w6K7BI31oPzigjakz0fD4rA9O5x TCAMM5MTKLwbMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTIzMDcy NDEzMjQwNVowaQYJKoZIhvcNAQkPMVwwWjALBglghkgBZQMEASowCwYJYIZIAWUDBAEWMAsGCWCG SAFlAwQBAjAKBggqhkiG9w0DBzALBgkqhkiG9w0BAQowCwYJKoZIhvcNAQEHMAsGCWCGSAFlAwQC ATANBgkqhkiG9w0BAQEFAASCAQC3To9vxX6pr9Mq4Y1HRbszREYlXsqx+aV3uJKSs3c1XpP45ZUX Qf0rXAp04Mbrc3aVBphvfswyKMWQ4t5q8yWQd6h2nnOfE4o6rWynSogxEXCYsVcPA+v3n1f1doJm SMmYqy9hXz4NKPL+05FXfjyc0rz0WsqqthPPx4xjNUUuAU5Uiof8o1u0e9zct1UDqUzpfa/3q6P3 gEkA4dsWssq32sMJ1IFTRJmfDhtirNgI3DSb5KPtixfpKLVgrq5mZ4q4j6tlk8eKRgSPknaWCI4O WLUAPImSBRASqbvrwMTpY3I49XxCxGxkVmXyRdqxjikcTQW2vgd1pMTkToQKL4i7 --00000000000050f49206013b87cc--