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Diffstat (limited to 'drivers/s390/scsi/zfcp_def.h')
-rw-r--r--drivers/s390/scsi/zfcp_def.h19
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 7131c7db1f04..9fa1b064893e 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -44,23 +44,6 @@ struct zfcp_reqlist;
44/********************* SCSI SPECIFIC DEFINES *********************************/ 44/********************* SCSI SPECIFIC DEFINES *********************************/
45#define ZFCP_SCSI_ER_TIMEOUT (10*HZ) 45#define ZFCP_SCSI_ER_TIMEOUT (10*HZ)
46 46
47/********************* CIO/QDIO SPECIFIC DEFINES *****************************/
48
49/* DMQ bug workaround: don't use last SBALE */
50#define ZFCP_MAX_SBALES_PER_SBAL (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
51
52/* index of last SBALE (with respect to DMQ bug workaround) */
53#define ZFCP_LAST_SBALE_PER_SBAL (ZFCP_MAX_SBALES_PER_SBAL - 1)
54
55/* max. number of (data buffer) SBALEs in largest SBAL chain */
56#define ZFCP_MAX_SBALES_PER_REQ \
57 (FSF_MAX_SBALS_PER_REQ * ZFCP_MAX_SBALES_PER_SBAL - 2)
58 /* request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */
59
60#define ZFCP_MAX_SECTORS (ZFCP_MAX_SBALES_PER_REQ * 8)
61 /* max. number of (data buffer) SBALEs in largest SBAL chain
62 multiplied with number of sectors per 4k block */
63
64/********************* FSF SPECIFIC DEFINES *********************************/ 47/********************* FSF SPECIFIC DEFINES *********************************/
65 48
66/* ATTENTION: value must not be used by hardware */ 49/* ATTENTION: value must not be used by hardware */
@@ -181,6 +164,7 @@ struct zfcp_adapter {
181 stack abort/command 164 stack abort/command
182 completion races */ 165 completion races */
183 atomic_t stat_miss; /* # missing status reads*/ 166 atomic_t stat_miss; /* # missing status reads*/
167 unsigned int stat_read_buf_num;
184 struct work_struct stat_work; 168 struct work_struct stat_work;
185 atomic_t status; /* status of this adapter */ 169 atomic_t status; /* status of this adapter */
186 struct list_head erp_ready_head; /* error recovery for this 170 struct list_head erp_ready_head; /* error recovery for this
@@ -205,6 +189,7 @@ struct zfcp_adapter {
205 struct work_struct scan_work; 189 struct work_struct scan_work;
206 struct service_level service_level; 190 struct service_level service_level;
207 struct workqueue_struct *work_queue; 191 struct workqueue_struct *work_queue;
192 struct device_dma_parameters dma_parms;
208}; 193};
209 194
210struct zfcp_port { 195struct zfcp_port {