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Thu, 25 Feb 2021 21:50:58 +0000 (GMT) From: Tyrel Datwyler To: james.bottomley@hansenpartnership.com Subject: [PATCH v4 0/5] ibmvfc: hard reset fixes Date: Thu, 25 Feb 2021 15:50:52 -0600 Message-Id: <20210225215057.23020-1-tyreld@linux.ibm.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-02-25_14:2021-02-24, 2021-02-25 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=905 lowpriorityscore=0 suspectscore=0 mlxscore=0 spamscore=0 phishscore=0 adultscore=0 impostorscore=0 bulkscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102250163 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tyrel Datwyler , martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, brking@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This series contains a minor simplification of ibmvfc_init_sub_crqs() followed by a couple fixes for sub-CRQ handling which effect hard reset of the client/host adapter CRQ pair. changes in v4: Patch 2: dropped Reviewed-by tag and moved sub-crq init to after locked region Patch 5: moved sub-crq init to after locked region changes in v3: * Patch 1 & 5: moved ibmvfc_init_sub_crqs out of locked patch changes in v2: * added Reviewed-by tags for patches 1-3 * Patch 4: use rtas_busy_delay to test rc and delay correct amount of time * Patch 5: (new) similar fix for LPM case where CRQ pair needs re-enablement Tyrel Datwyler (5): powerpc/pseries: extract host bridge from pci_bus prior to bus removal ibmvfc: simplify handling of sub-CRQ initialization ibmvfc: fix invalid sub-CRQ handles after hard reset ibmvfc: treat H_CLOSED as success during sub-CRQ registration ibmvfc: store return code of H_FREE_SUB_CRQ during cleanup arch/powerpc/platforms/pseries/pci_dlpar.c | 4 +- drivers/scsi/ibmvscsi/ibmvfc.c | 49 ++++++++++------------ 2 files changed, 26 insertions(+), 27 deletions(-)