>-----Original Message----- >From: Hannes Reinecke [mailto:hare@xxxxxxx] >Sent: Tuesday, April 21, 2015 3:52 PM >To: Sumit.Saxena@xxxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx >Cc: thenzl@xxxxxxxxxx; martin.petersen@xxxxxxxxxx; hch@xxxxxxxxxxxxx; >jbottomley@xxxxxxxxxxxxx; kashyap.desai@xxxxxxxxxxxxx >Subject: Re: [PATCH RESEND 4/18] megaraid_sas : Move controller's queue >depth calculation in adapter specific function > >On 04/20/2015 02:33 PM, Sumit.Saxena@xxxxxxxxxxxxx wrote: >> This patch will move controller's queue depth calculation in adapter specific >functions. >> >> Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxxx> >> Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxxx> >> >> --- >> drivers/scsi/megaraid/megaraid_sas_base.c | 39 ++++++++++-------------- >-- >> drivers/scsi/megaraid/megaraid_sas_fusion.c | 9 ++++++ >> 2 files changed, 24 insertions(+), 24 deletions(-) >> >> diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c >> b/drivers/scsi/megaraid/megaraid_sas_base.c >> index e6cb2bd..7f426e0 100644 >> --- a/drivers/scsi/megaraid/megaraid_sas_base.c >> +++ b/drivers/scsi/megaraid/megaraid_sas_base.c >> @@ -4354,6 +4354,21 @@ megasas_init_adapter_mfi(struct >megasas_instance *instance) >> instance->max_num_sge = (instance->instancet- >>read_fw_status_reg(reg_set) & 0xFF0000) >> >> 0x10; >> /* >> + * For MFI skinny adapters, MEGASAS_SKINNY_INT_CMDS commands >> + * are reserved for IOCTL + driver's internal DCMDs. >> + */ >> + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) >|| >> + (instance->pdev->device == >PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { >> + instance->max_scsi_cmds = (instance->max_fw_cmds - >> + MEGASAS_SKINNY_INT_CMDS); >> + sema_init(&instance->ioctl_sem, >MEGASAS_SKINNY_INT_CMDS); >> + } else { >> + instance->max_scsi_cmds = (instance->max_fw_cmds - >> + MEGASAS_INT_CMDS); >> + sema_init(&instance->ioctl_sem, (MEGASAS_INT_CMDS - 5)); >'- 5' ? >I'd prefer to have a separate #define as you did for the fusion side... I will resend this patch series(as there are comments from Christoph Hellwig to rework for other patches of the series as well) and take care of it. > >> + } >> + >> + /* >> * Create a pool of commands >> */ >> if (megasas_alloc_cmds(instance)) >> @@ -4751,30 +4766,6 @@ static int megasas_init_fw(struct >megasas_instance *instance) >> if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors)) >> instance->max_sectors_per_req = tmp_sectors; >> >> - /* >> - * 1. For fusion adapters, 3 commands for IOCTL and 5 commands >> - * for driver's internal DCMDs. >> - * 2. For MFI skinny adapters, 5 commands for IOCTL + driver's >> - * internal DCMDs. >> - * 3. For rest of MFI adapters, 27 commands reserved for IOCTLs >> - * and 5 commands for drivers's internal DCMD. >> - */ >> - if (instance->ctrl_context) { >> - instance->max_scsi_cmds = instance->max_fw_cmds - >> - > (MEGASAS_FUSION_INTERNAL_CMDS + >> - MEGASAS_FUSION_IOCTL_CMDS); >> - sema_init(&instance->ioctl_sem, >MEGASAS_FUSION_IOCTL_CMDS); >> - } else if ((instance->pdev->device == >PCI_DEVICE_ID_LSI_SAS0073SKINNY) || >> - (instance->pdev->device == >PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { >> - instance->max_scsi_cmds = instance->max_fw_cmds - >> - > MEGASAS_SKINNY_INT_CMDS; >> - sema_init(&instance->ioctl_sem, >MEGASAS_SKINNY_INT_CMDS); >> - } else { >> - instance->max_scsi_cmds = instance->max_fw_cmds - >> - MEGASAS_INT_CMDS; >> - sema_init(&instance->ioctl_sem, (MEGASAS_INT_CMDS - 5)); >> - } >> - >> /* Check for valid throttlequeuedepth module parameter */ >> if (throttlequeuedepth && >> throttlequeuedepth <= instance->max_scsi_cmds) >diff --git >> a/drivers/scsi/megaraid/megaraid_sas_fusion.c >> b/drivers/scsi/megaraid/megaraid_sas_fusion.c >> index c5619f8..3cd1d5f 100644 >> --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c >> +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c >> @@ -1061,6 +1061,15 @@ megasas_init_adapter_fusion(struct >megasas_instance *instance) >> fusion->last_reply_idx[i] = 0; >> >> /* >> + * For fusion adapters, 3 commands for IOCTL and 5 commands >> + * for driver's internal DCMDs. >> + */ >> + instance->max_scsi_cmds = instance->max_fw_cmds - >> + (MEGASAS_FUSION_INTERNAL_CMDS + >> + MEGASAS_FUSION_IOCTL_CMDS); >> + sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS); >> + >> + /* >> * Allocate memory for descriptors >> * Create a pool of commands >> */ >> >See? Here it's a #define ... > >Cheers, > >Hannes >-- >Dr. Hannes Reinecke zSeries & Storage >hare@xxxxxxx +49 911 74053 688 >SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg >GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
