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authorShivasharan S <shivasharan.srikanteshwara@broadcom.com>2017-02-10 00:59:17 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2017-02-13 07:26:22 -0500
commit5fc499b612c5401a7ae0674086befcdf8b148516 (patch)
treec2e4b571415353ed30bfdb6ce89fc5bbaba25e8f /drivers/scsi/megaraid/megaraid_sas.h
parentb4a42213a7eb8ec8556f27e6750bbc5c9193e86e (diff)
downloadop-kernel-dev-5fc499b612c5401a7ae0674086befcdf8b148516.zip
op-kernel-dev-5fc499b612c5401a7ae0674086befcdf8b148516.tar.gz
scsi: megaraid_sas: reduce size of fusion_context and use vmalloc if kmalloc fails
Currently fusion context has fixed array load_balance_info. Use dynamic allocation. In few places, driver do not want physically contigious memory. Attempt to use vmalloc if physical contiguous memory is not available. Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.h')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 93da6dc..0a20fff 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -2488,4 +2488,6 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
u32 mega_mod64(u64 dividend, u32 divisor);
+int megasas_alloc_fusion_context(struct megasas_instance *instance);
+void megasas_free_fusion_context(struct megasas_instance *instance);
#endif /*LSI_MEGARAID_SAS_H */
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