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 X-Spam-Level: X-Spam-Status: No, score=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MIME_HEADER_CTYPE_ONLY, SPF_HELO_NONE,SPF_PASS,T_TVD_MIME_NO_HEADERS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08C8CC43461 for ; Thu, 13 May 2021 08:34:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CDDEC613F6 for ; Thu, 13 May 2021 08:34:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232017AbhEMIfc (ORCPT ); Thu, 13 May 2021 04:35:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231976AbhEMIfN (ORCPT ); Thu, 13 May 2021 04:35:13 -0400 Received: from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com [IPv6:2607:f8b0:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8B2BC06138E for ; Thu, 13 May 2021 01:33:45 -0700 (PDT) Received: by mail-pf1-x42c.google.com with SMTP id 10so21195685pfl.1 for ; Thu, 13 May 2021 01:33:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Oc0IZycrI7y5OZFxmREUWSvfPIQ5loP6tO4zJHd4L5g=; b=eaVhMWg2p9tR40GUBu+BBJz8oyJIXFzYbvaYw6RHRuUx6nJ0BYEqRwK9ghkYbGqFfU D8QXFyYoug+2EZATqYSz346enp5bll9NyxKtvsBEoPm4tIiQP5ZFylYiPvbwE2uF7Y5P PNLLeNOME71IlS5JIjpNcb964Fp3PgWv7gLmQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Oc0IZycrI7y5OZFxmREUWSvfPIQ5loP6tO4zJHd4L5g=; b=Un1c1GcLr7r1032GFoG9PaCZeh3NVH4Ez0h+0+Kkr0iPhRZ1W0ED4LNgqC8wKqaruH oyy8O1Itr8xhdTzhvWQc2bgrRXNa4D1bNDUbT51trbuI52ZrS4JWKl0O/EMTvV+IKIao Y24MUYtYYoZP1/ig4m2iL0+QOMFKPNg7oto51oh3OHz42LncsFAyD732VNybWaUzVnFf yArO9F0ZAK2s87Dgqc0tu/LUY28OKYNalltW583rmPiVFQvs8uF2hDoYyW/QFOfsj1RK /bF/Unv14x/k9TIHlRN69FstiSsiDEuYPV3hVz3hzwMKqX7ljHtWM6Mm7Ljtdn0NZ8OK PGgw== X-Gm-Message-State: AOAM530e/tfF6ODnFFQhhLIwnmjsOQRQ8BYODo9Z07d1uRTqURBBLdq2 wBDaeSSFhj6N4R2PuwmvaZMl/YtpT1CgR0rpK0frrO15R0Nku8JC8W30hMHCmch3q4jtZcASLpy 5pWbakMdPETGy22QjR0dHI+B5vh0HK4zYPG6kps5g/vLVGGyyFNY8vTOhwmtn2N7QLX8qFwfvnA qxq+7a6w== X-Google-Smtp-Source: ABdhPJxfuGSzOkxpgHk8t3bi0Oe1yQRM2mVdHqmXNlj5gCvOlk0WVQNJn5I7m68S1r8zNz5Zy2+4BQ== X-Received: by 2002:a63:5d13:: with SMTP id r19mr4162392pgb.379.1620894824852; Thu, 13 May 2021 01:33:44 -0700 (PDT) Received: from drv-bst-rhel8.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id i123sm1632468pfc.53.2021.05.13.01.33.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 May 2021 01:33:44 -0700 (PDT) From: Kashyap Desai To: linux-scsi@vger.kernel.org Cc: jejb@linux.ibm.com, martin.petersen@oracle.com, steve.hagan@broadcom.com, peter.rivera@broadcom.com, mpi3mr-linuxdrv.pdl@broadcom.com, Kashyap Desai , sathya.prakash@broadcom.com Subject: [PATCH v5 21/24] mpi3mr: add support of PM suspend and resume Date: Thu, 13 May 2021 14:06:05 +0530 Message-Id: <20210513083608.2243297-22-kashyap.desai@broadcom.com> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20210513083608.2243297-1-kashyap.desai@broadcom.com> References: <20210513083608.2243297-1-kashyap.desai@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000046e9b705c231fca5" Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org --00000000000046e9b705c231fca5 Signed-off-by: Kashyap Desai Reviewed-by: Hannes Reinecke Reviewed-by: Tomas Henzl Reviewed-by: Himanshu Madhani Cc: sathya.prakash@broadcom.com --- drivers/scsi/mpi3mr/mpi3mr_os.c | 84 +++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 022356a1cd01..2f494bc8ea0d 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -3398,6 +3398,86 @@ static void mpi3mr_shutdown(struct pci_dev *pdev) mpi3mr_cleanup_ioc(mrioc, 0); } +#ifdef CONFIG_PM +/** + * mpi3mr_suspend - PCI power management suspend callback + * @pdev: PCI device instance + * @state: New power state + * + * Change the power state to the given value and cleanup the IOC + * by issuing MUR and shutdown notification + * + * Return: 0 always. + */ +static int mpi3mr_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct mpi3mr_ioc *mrioc; + pci_power_t device_state; + + if (!shost) + return 0; + + mrioc = shost_priv(shost); + while (mrioc->reset_in_progress || mrioc->is_driver_loading) + ssleep(1); + mrioc->stop_drv_processing = 1; + mpi3mr_cleanup_fwevt_list(mrioc); + scsi_block_requests(shost); + mpi3mr_stop_watchdog(mrioc); + mpi3mr_cleanup_ioc(mrioc, 1); + + device_state = pci_choose_state(pdev, state); + ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n", + pdev, pci_name(pdev), device_state); + pci_save_state(pdev); + pci_set_power_state(pdev, device_state); + mpi3mr_cleanup_resources(mrioc); + + return 0; +} + +/** + * mpi3mr_resume - PCI power management resume callback + * @pdev: PCI device instance + * + * Restore the power state to D0 and reinitialize the controller + * and resume I/O operations to the target devices + * + * Return: 0 on success, non-zero on failure + */ +static int mpi3mr_resume(struct pci_dev *pdev) +{ + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct mpi3mr_ioc *mrioc; + pci_power_t device_state = pdev->current_state; + int r; + + mrioc = shost_priv(shost); + + ioc_info(mrioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n", + pdev, pci_name(pdev), device_state); + pci_set_power_state(pdev, PCI_D0); + pci_enable_wake(pdev, PCI_D0, 0); + pci_restore_state(pdev); + mrioc->pdev = pdev; + mrioc->cpu_count = num_online_cpus(); + r = mpi3mr_setup_resources(mrioc); + if (r) { + ioc_info(mrioc, "%s: Setup resources failed[%d]\n", + __func__, r); + return r; + } + + mrioc->stop_drv_processing = 0; + mpi3mr_init_ioc(mrioc, 1); + scsi_unblock_requests(shost); + mpi3mr_start_watchdog(mrioc); + + return 0; +} +#endif + static const struct pci_device_id mpi3mr_pci_id_table[] = { { PCI_DEVICE_SUB(PCI_VENDOR_ID_LSI_LOGIC, 0x00A5, @@ -3413,6 +3493,10 @@ static struct pci_driver mpi3mr_pci_driver = { .probe = mpi3mr_probe, .remove = mpi3mr_remove, .shutdown = mpi3mr_shutdown, +#ifdef CONFIG_PM + .suspend = mpi3mr_suspend, + .resume = mpi3mr_resume, +#endif }; static int __init mpi3mr_init(void) -- 2.18.1 --00000000000046e9b705c231fca5 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQcAYJKoZIhvcNAQcCoIIQYTCCEF0CAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3HMIIFDTCCA/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/ XzCCBU8wggQ3oAMCAQICDHA7TgNc55htm2viYDANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMTAyMjIxMjU2MDJaFw0yMjA5MTUxMTQ1MTZaMIGQ MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xFjAUBgNVBAMTDUthc2h5YXAgRGVzYWkxKTAnBgkqhkiG9w0B CQEWGmthc2h5YXAuZGVzYWlAYnJvYWRjb20uY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAzPAzyHBqFL/1u7ttl86wZrWK3vYcqFH+GBe0laKvAGOuEkaHijHa8iH+9GA8FUv1cdWF WY3c3BGA+omJGYc4eHLEyKowuLRWvjV3MEjGBG7NIVoIaTkH4R+6Xs1P4/9EmUA0WI881B3pTv5W nHG54/aqGUDSRDyWVhK7TLqJQkkiYKB0kH0GkB/UfmU/pmCaV68w5J6l4vz/TG23hWJmTg1lW5mu P3lSxcw4Cg90iKHqfpwLnGNc9AGXHMxUCukpnAHRlivljilKHMx1ymb180BLmtF+ZLm6KrFLQWzB 4KeiUOMtKM13wJrQubqTeZgB1XA+89jeLYlxagVsMyksdwIDAQABo4IB2zCCAdcwDgYDVR0PAQH/ BAQDAgWgMIGjBggrBgEFBQcBAQSBljCBkzBOBggrBgEFBQcwAoZCaHR0cDovL3NlY3VyZS5nbG9i YWxzaWduLmNvbS9jYWNlcnQvZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAuY3J0MEEGCCsGAQUF BzABhjVodHRwOi8vb2NzcC5nbG9iYWxzaWduLmNvbS9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAy MDBNBgNVHSAERjBEMEIGCisGAQQBoDIBKAowNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xv YmFsc2lnbi5jb20vcmVwb3NpdG9yeS8wCQYDVR0TBAIwADBJBgNVHR8EQjBAMD6gPKA6hjhodHRw Oi8vY3JsLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjNwZXJzb25hbHNpZ24yY2EyMDIwLmNybDAlBgNV HREEHjAcgRprYXNoeWFwLmRlc2FpQGJyb2FkY29tLmNvbTATBgNVHSUEDDAKBggrBgEFBQcDBDAf BgNVHSMEGDAWgBSWM9HmWBdbNHWKgVZk1b5I3qGPzzAdBgNVHQ4EFgQUkTOZp9jXE3yPj4ieKeDT OiNyCtswDQYJKoZIhvcNAQELBQADggEBABG1KCh7cLjStywh4S37nKE1eE8KPyAxDzQCkhxYLBVj gnnhaLmEOayEucPAsM1hCRAm/vR3RQ27lMXBGveCHaq9RZkzTjGSbzr8adOGK3CluPrasNf5StX3 GSk4HwCapA39BDUrhnc/qG5vHwLrgA1jwAvSy8e/vn4F4h+KPrPoFNd1OnCafedbuiEXTqTkn5Rk vZ2AOTcSbxvmyKBMb/iu1vn7AAoui0d8GYCPoz8shf2iWMSUXVYJAMrtRHVJr47J5jlopF5F2ghC MzNfx6QsmJhYiRByd8L9sUOjp/DMgkC6H93PyYpYMiBGapgNf6UMsLg/1kx5DATNwhPAJbkxggJt MIICaQIBATBrMFsxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYD VQQDEyhHbG9iYWxTaWduIEdDQyBSMyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwAgxwO04DXOeYbZtr 4mAwDQYJYIZIAWUDBAIBBQCggdQwLwYJKoZIhvcNAQkEMSIEIJ3ocFMvoJkZbKciRetVA9e/04EF q6NFTBUpQQ884tUoMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTIx MDUxMzA4MzM0NVowaQYJKoZIhvcNAQkPMVwwWjALBglghkgBZQMEASowCwYJYIZIAWUDBAEWMAsG CWCGSAFlAwQBAjAKBggqhkiG9w0DBzALBgkqhkiG9w0BAQowCwYJKoZIhvcNAQEHMAsGCWCGSAFl AwQCATANBgkqhkiG9w0BAQEFAASCAQBzG4vLlBvNduvOYlVsPTemQQNJlgQp6GtDEdncBvTcW/sm p8BdYm7V3zEZAndI6l5ZhMTYpYTR/8f32YhdWc+8OTnalO9S84i4eyP5fB/xPLHB5Yz2veGKpbKA e6UYkXDg5u5YoMxhU+B0fH4MGfsRyMyrsuuDL7lrn7SXrHSQAfEBAtStYy7x6YJEKc5Rb8OcntZ0 QJXh3YHbOqfryw/LgwILqlAVGu2azoMw+iTtLw4OCKYKI+HNWhHtZt0Mbd/sG2StLxVMIAidg8PM 356qn2jDd9VFJ8m39PMr1Yz3DK1A/YMO29kCsLXNcwQyefSTHuUoSfo89rejNuMhJUU9 --00000000000046e9b705c231fca5--