#include <asm/qdio.h>
#include <asm/debug.h>
#include <asm/ebcdic.h>
+#include "zfcp_dbf.h"
#include "zfcp_fsf.h"
* zfcp_address_to_sg - set up struct scatterlist from kernel address
* @address: kernel address
* @list: struct scatterlist
+ * @size: buffer size
*/
static inline void
-zfcp_address_to_sg(void *address, struct scatterlist *list)
+zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
{
- sg_set_page(list, virt_to_page(address));
- list->offset = ((unsigned long) address) & (PAGE_SIZE - 1);
+ sg_set_buf(list, address, size);
}
#define REQUEST_LIST_SIZE 128
#define ZFCP_SBAL_TIMEOUT (5*HZ)
-#define ZFCP_TYPE2_RECOVERY_TIME (8*HZ)
+#define ZFCP_TYPE2_RECOVERY_TIME 8 /* seconds */
/* queue polling (values in microseconds) */
#define ZFCP_MAX_INPUT_THRESHOLD 5000 /* FIXME: tune */
#define ZFCP_STATUS_READS_RECOM FSF_STATUS_READS_RECOM
/* Do 1st retry in 1 second, then double the timeout for each following retry */
-#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP 100
+#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP 1
#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 7
/* timeout value for "default timer" for fsf requests */
wwn_t nport_wwpn;
} __attribute__((packed));
-/*
- * DBF stuff
- */
-#define ZFCP_DBF_TAG_SIZE 4
-
-struct zfcp_dbf_dump {
- u8 tag[ZFCP_DBF_TAG_SIZE];
- u32 total_size; /* size of total dump data */
- u32 offset; /* how much data has being already dumped */
- u32 size; /* how much data comes with this record */
- u8 data[]; /* dump data */
-} __attribute__ ((packed));
-
-/* FIXME: to be inflated when reworking the erp dbf */
-struct zfcp_erp_dbf_record {
- u8 dummy[16];
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record_response {
- u32 fsf_command;
- u64 fsf_reqid;
- u32 fsf_seqno;
- u64 fsf_issued;
- u32 fsf_prot_status;
- u32 fsf_status;
- u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
- u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
- u32 fsf_req_status;
- u8 sbal_first;
- u8 sbal_curr;
- u8 sbal_last;
- u8 pool;
- u64 erp_action;
- union {
- struct {
- u64 scsi_cmnd;
- u64 scsi_serial;
- } send_fcp;
- struct {
- u64 wwpn;
- u32 d_id;
- u32 port_handle;
- } port;
- struct {
- u64 wwpn;
- u64 fcp_lun;
- u32 port_handle;
- u32 lun_handle;
- } unit;
- struct {
- u32 d_id;
- u8 ls_code;
- } send_els;
- } data;
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record_status {
- u8 failed;
- u32 status_type;
- u32 status_subtype;
- struct fsf_queue_designator
- queue_designator;
- u32 payload_size;
-#define ZFCP_DBF_UNSOL_PAYLOAD 80
-#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL 32
-#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD 56
-#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT 2 * sizeof(u32)
- u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record_qdio {
- u32 status;
- u32 qdio_error;
- u32 siga_error;
- u8 sbal_index;
- u8 sbal_count;
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record {
- u8 tag[ZFCP_DBF_TAG_SIZE];
- u8 tag2[ZFCP_DBF_TAG_SIZE];
- union {
- struct zfcp_hba_dbf_record_response response;
- struct zfcp_hba_dbf_record_status status;
- struct zfcp_hba_dbf_record_qdio qdio;
- } type;
-} __attribute__ ((packed));
-
-struct zfcp_san_dbf_record_ct {
- union {
- struct {
- u16 cmd_req_code;
- u8 revision;
- u8 gs_type;
- u8 gs_subtype;
- u8 options;
- u16 max_res_size;
- } request;
- struct {
- u16 cmd_rsp_code;
- u8 revision;
- u8 reason_code;
- u8 reason_code_expl;
- u8 vendor_unique;
- } response;
- } type;
- u32 payload_size;
-#define ZFCP_DBF_CT_PAYLOAD 24
- u8 payload[ZFCP_DBF_CT_PAYLOAD];
-} __attribute__ ((packed));
-
-struct zfcp_san_dbf_record_els {
- u8 ls_code;
- u32 payload_size;
-#define ZFCP_DBF_ELS_PAYLOAD 32
-#define ZFCP_DBF_ELS_MAX_PAYLOAD 1024
- u8 payload[ZFCP_DBF_ELS_PAYLOAD];
-} __attribute__ ((packed));
-
-struct zfcp_san_dbf_record {
- u8 tag[ZFCP_DBF_TAG_SIZE];
- u64 fsf_reqid;
- u32 fsf_seqno;
- u32 s_id;
- u32 d_id;
- union {
- struct zfcp_san_dbf_record_ct ct;
- struct zfcp_san_dbf_record_els els;
- } type;
-} __attribute__ ((packed));
-
-struct zfcp_scsi_dbf_record {
- u8 tag[ZFCP_DBF_TAG_SIZE];
- u8 tag2[ZFCP_DBF_TAG_SIZE];
- u32 scsi_id;
- u32 scsi_lun;
- u32 scsi_result;
- u64 scsi_cmnd;
- u64 scsi_serial;
-#define ZFCP_DBF_SCSI_OPCODE 16
- u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
- u8 scsi_retries;
- u8 scsi_allowed;
- u64 fsf_reqid;
- u32 fsf_seqno;
- u64 fsf_issued;
- union {
- u64 old_fsf_reqid;
- struct {
- u8 rsp_validity;
- u8 rsp_scsi_status;
- u32 rsp_resid;
- u8 rsp_code;
-#define ZFCP_DBF_SCSI_FCP_SNS_INFO 16
-#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO 256
- u32 sns_info_len;
- u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
- } fcp;
- } type;
-} __attribute__ ((packed));
-
/*
* FC-FS stuff
*/
/* logging routine for zfcp */
#define _ZFCP_LOG(fmt, args...) \
- printk(KERN_ERR ZFCP_NAME": %s(%d): " fmt, __FUNCTION__, \
+ printk(KERN_ERR ZFCP_NAME": %s(%d): " fmt, __func__, \
__LINE__ , ##args)
#define ZFCP_LOG(level, fmt, args...) \
ZFCP_STATUS_PORT_NO_SCSI_ID)
/* logical unit status */
-#define ZFCP_STATUS_UNIT_NOTSUPPUNITRESET 0x00000001
#define ZFCP_STATUS_UNIT_TEMPORARY 0x00000002
#define ZFCP_STATUS_UNIT_SHARED 0x00000004
#define ZFCP_STATUS_UNIT_READONLY 0x00000008
u32 erp_low_mem_count; /* nr of erp actions waiting
for memory */
struct zfcp_port *nameserver_port; /* adapter's nameserver */
- debug_info_t *erp_dbf;
+ debug_info_t *rec_dbf;
debug_info_t *hba_dbf;
debug_info_t *san_dbf; /* debug feature areas */
debug_info_t *scsi_dbf;
- spinlock_t erp_dbf_lock;
+ spinlock_t rec_dbf_lock;
spinlock_t hba_dbf_lock;
spinlock_t san_dbf_lock;
spinlock_t scsi_dbf_lock;
- struct zfcp_erp_dbf_record erp_dbf_buf;
+ struct zfcp_rec_dbf_record rec_dbf_buf;
struct zfcp_hba_dbf_record hba_dbf_buf;
struct zfcp_san_dbf_record san_dbf_buf;
struct zfcp_scsi_dbf_record scsi_dbf_buf;
struct scsi_device *device; /* scsi device struct pointer */
struct zfcp_erp_action erp_action; /* pending error recovery */
atomic_t erp_counter;
- wait_queue_head_t scsi_scan_wq; /* can be used to wait until
- all scsi_scan_target
- requests have been
- completed. */
};
/* FSF request */
return NULL;
}
+static inline struct zfcp_fsf_req *
+zfcp_reqlist_find_safe(struct zfcp_adapter *adapter, struct zfcp_fsf_req *req)
+{
+ struct zfcp_fsf_req *request;
+ unsigned int idx;
+
+ for (idx = 0; idx < REQUEST_LIST_SIZE; idx++) {
+ list_for_each_entry(request, &adapter->req_list[idx], list)
+ if (request == req)
+ return request;
+ }
+ return NULL;
+}
+
/*
* functions needed for reference/usage counting
*/