Message ID | 20210819091913.94436-4-hare@suse.de |
---|---|
State | New |
Headers | show |
Series | qla2xxx: Fixes for SCSI EH rework | expand |
> -----Original Message----- > From: Hannes Reinecke <hare@suse.de> > Sent: Thursday, August 19, 2021 2:49 PM > To: Martin K. Petersen <martin.petersen@oracle.com> > Cc: Christoph Hellwig <hch@lst.de>; James Bottomley > <james.bottomley@hansenpartnership.com>; Nilesh Javali > <njavali@marvell.com>; linux-scsi@vger.kernel.org; Hannes Reinecke > <hare@suse.de> > Subject: [EXT] [PATCH 3/3] qla2xxx: Open-code qla2xxx_eh_device_reset() > > External Email > > ---------------------------------------------------------------------- > Device reset and target reset will be using different calling sequences, > so open-code __qla2xxx_eh_generic_reset() in qla2xxx_eh_device_reset(), > and remove the now obsolete function __qla2xxx_eh_generic_reset(). > No functional changes. > > Signed-off-by: Hannes Reinecke <hare@suse.de> > Cc: Nilesh Javali <njavali@marvell.com> > --- > drivers/scsi/qla2xxx/qla_os.c | 54 +++++++++++++++-------------------- > 1 file changed, 23 insertions(+), 31 deletions(-) > > diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c > index 7786af46224a..ea804dc69b6f 100644 > --- a/drivers/scsi/qla2xxx/qla_os.c > +++ b/drivers/scsi/qla2xxx/qla_os.c > @@ -1388,18 +1388,27 @@ static char *reset_errors[] = { > }; > > static int > -__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, > - struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int)) > +qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) > { > - scsi_qla_host_t *vha = shost_priv(cmd->device->host); > - fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; > + struct scsi_device *sdev = cmd->device; > + scsi_qla_host_t *vha = shost_priv(sdev->host); > + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); > + fc_port_t *fcport = (struct fc_port *) sdev->hostdata; > + struct qla_hw_data *ha = vha->hw; > int err; > > + if (qla2x00_isp_reg_stat(ha)) { > + ql_log(ql_log_info, vha, 0x803e, > + "PCI/Register disconnect, exiting.\n"); > + qla_pci_set_eeh_busy(vha); > + return FAILED; > + } > + > if (!fcport) { > return FAILED; > } > > - err = fc_block_scsi_eh(cmd); > + err = fc_block_rport(rport); > if (err != 0) > return err; > > @@ -1407,8 +1416,8 @@ __qla2xxx_eh_generic_reset(char *name, enum > nexus_wait_type type, > return SUCCESS; > > ql_log(ql_log_info, vha, 0x8009, > - "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha- > >host_no, > - cmd->device->id, cmd->device->lun, cmd); > + "DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha- > >host_no, > + sdev->id, sdev->lun, cmd); > > err = 0; > if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { > @@ -1417,52 +1426,35 @@ __qla2xxx_eh_generic_reset(char *name, enum > nexus_wait_type type, > goto eh_reset_failed; > } > err = 2; > - if (do_reset(fcport, cmd->device->lun, 1) > + if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1) > != QLA_SUCCESS) { > ql_log(ql_log_warn, vha, 0x800c, > "do_reset failed for cmd=%p.\n", cmd); > goto eh_reset_failed; > } > err = 3; > - if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, > - cmd->device->lun, type) != QLA_SUCCESS) { > + if (qla2x00_eh_wait_for_pending_commands(vha, sdev->id, > + sdev->lun, WAIT_LUN) != QLA_SUCCESS) { > ql_log(ql_log_warn, vha, 0x800d, > "wait for pending cmds failed for cmd=%p.\n", cmd); > goto eh_reset_failed; > } > > ql_log(ql_log_info, vha, 0x800e, > - "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name, > - vha->host_no, cmd->device->id, cmd->device->lun, cmd); > + "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", > + vha->host_no, sdev->id, sdev->lun, cmd); > > return SUCCESS; > > eh_reset_failed: > ql_log(ql_log_info, vha, 0x800f, > - "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name, > - reset_errors[err], vha->host_no, cmd->device->id, cmd->device- > >lun, > + "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", > + reset_errors[err], vha->host_no, sdev->id, sdev->lun, > cmd); > vha->reset_cmd_err_cnt++; > return FAILED; > } > > -static int > -qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) > -{ > - scsi_qla_host_t *vha = shost_priv(cmd->device->host); > - struct qla_hw_data *ha = vha->hw; > - > - if (qla2x00_isp_reg_stat(ha)) { > - ql_log(ql_log_info, vha, 0x803e, > - "PCI/Register disconnect, exiting.\n"); > - qla_pci_set_eeh_busy(vha); > - return FAILED; > - } > - > - return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, > - ha->isp_ops->lun_reset); > -} > - > static int > qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) > { > -- > 2.29.2 Reviewed-by: Nilesh Javali <njavali@marvell.com>
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 7786af46224a..ea804dc69b6f 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1388,18 +1388,27 @@ static char *reset_errors[] = { }; static int -__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, - struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int)) +qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) { - scsi_qla_host_t *vha = shost_priv(cmd->device->host); - fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; + struct scsi_device *sdev = cmd->device; + scsi_qla_host_t *vha = shost_priv(sdev->host); + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); + fc_port_t *fcport = (struct fc_port *) sdev->hostdata; + struct qla_hw_data *ha = vha->hw; int err; + if (qla2x00_isp_reg_stat(ha)) { + ql_log(ql_log_info, vha, 0x803e, + "PCI/Register disconnect, exiting.\n"); + qla_pci_set_eeh_busy(vha); + return FAILED; + } + if (!fcport) { return FAILED; } - err = fc_block_scsi_eh(cmd); + err = fc_block_rport(rport); if (err != 0) return err; @@ -1407,8 +1416,8 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, return SUCCESS; ql_log(ql_log_info, vha, 0x8009, - "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no, - cmd->device->id, cmd->device->lun, cmd); + "DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha->host_no, + sdev->id, sdev->lun, cmd); err = 0; if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { @@ -1417,52 +1426,35 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, goto eh_reset_failed; } err = 2; - if (do_reset(fcport, cmd->device->lun, 1) + if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x800c, "do_reset failed for cmd=%p.\n", cmd); goto eh_reset_failed; } err = 3; - if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, - cmd->device->lun, type) != QLA_SUCCESS) { + if (qla2x00_eh_wait_for_pending_commands(vha, sdev->id, + sdev->lun, WAIT_LUN) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x800d, "wait for pending cmds failed for cmd=%p.\n", cmd); goto eh_reset_failed; } ql_log(ql_log_info, vha, 0x800e, - "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name, - vha->host_no, cmd->device->id, cmd->device->lun, cmd); + "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", + vha->host_no, sdev->id, sdev->lun, cmd); return SUCCESS; eh_reset_failed: ql_log(ql_log_info, vha, 0x800f, - "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name, - reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun, + "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", + reset_errors[err], vha->host_no, sdev->id, sdev->lun, cmd); vha->reset_cmd_err_cnt++; return FAILED; } -static int -qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) -{ - scsi_qla_host_t *vha = shost_priv(cmd->device->host); - struct qla_hw_data *ha = vha->hw; - - if (qla2x00_isp_reg_stat(ha)) { - ql_log(ql_log_info, vha, 0x803e, - "PCI/Register disconnect, exiting.\n"); - qla_pci_set_eeh_busy(vha); - return FAILED; - } - - return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, - ha->isp_ops->lun_reset); -} - static int qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) {
Device reset and target reset will be using different calling sequences, so open-code __qla2xxx_eh_generic_reset() in qla2xxx_eh_device_reset(), and remove the now obsolete function __qla2xxx_eh_generic_reset(). No functional changes. Signed-off-by: Hannes Reinecke <hare@suse.de> Cc: Nilesh Javali <njavali@marvell.com> --- drivers/scsi/qla2xxx/qla_os.c | 54 +++++++++++++++-------------------- 1 file changed, 23 insertions(+), 31 deletions(-)