diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 3a417df..7b35364 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -3,17 +3,18 @@ * * Interface to Linux SCSI midlayer. * - * Copyright IBM Corporation 2002, 2010 + * Copyright IBM Corp. 2002, 2013 */ #define KMSG_COMPONENT "zfcp" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/module.h> #include <linux/types.h> #include <linux/slab.h> #include <scsi/fc/fc_fcp.h> #include <scsi/scsi_eh.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include "zfcp_ext.h" #include "zfcp_dbf.h" #include "zfcp_fc.h" @@ -24,11 +25,8 @@ module_param_named(queue_depth, default_depth, uint, 0600); MODULE_PARM_DESC(queue_depth, "Default queue depth for new SCSI devices"); static bool enable_dif; - -#ifdef CONFIG_ZFCP_DIF -module_param_named(dif, enable_dif, bool, 0600); +module_param_named(dif, enable_dif, bool, 0400); MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support"); -#endif static bool allow_lun_scan = 1; module_param(allow_lun_scan, bool, 0600); @@ -313,8 +311,12 @@ static struct scsi_host_template zfcp_scsi_host_template = { .proc_name = "zfcp", .can_queue = 4096, .this_id = -1, - .sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ, - .max_sectors = (ZFCP_QDIO_MAX_SBALES_PER_REQ * 8), + .sg_tablesize = (((QDIO_MAX_ELEMENTS_PER_BUFFER - 1) + * ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2), + /* GCD, adjusted later */ + .max_sectors = (((QDIO_MAX_ELEMENTS_PER_BUFFER - 1) + * ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2) * 8, + /* GCD, adjusted later */ .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1, .cmd_per_lun = 1, .use_clustering = 1, @@ -672,9 +674,9 @@ void zfcp_scsi_set_prot(struct zfcp_adapter *adapter) adapter->adapter_features & FSF_FEATURE_DIX_PROT_TCPIP) { mask |= SHOST_DIX_TYPE1_PROTECTION; scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP); - shost->sg_prot_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2; - shost->sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2; - shost->max_sectors = ZFCP_QDIO_MAX_SBALES_PER_REQ * 8 / 2; + shost->sg_prot_tablesize = adapter->qdio->max_sbale_per_req / 2; + shost->sg_tablesize = adapter->qdio->max_sbale_per_req / 2; + shost->max_sectors = shost->sg_tablesize * 8; } scsi_host_set_prot(shost, mask); |