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path: root/drivers/scsi/cxgbi/libcxgbi.h
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Diffstat (limited to 'drivers/scsi/cxgbi/libcxgbi.h')
-rw-r--r--drivers/scsi/cxgbi/libcxgbi.h27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h
index 827afa720c8d..e7802738f5d2 100644
--- a/drivers/scsi/cxgbi/libcxgbi.h
+++ b/drivers/scsi/cxgbi/libcxgbi.h
@@ -24,9 +24,12 @@
#include <linux/scatterlist.h>
#include <linux/skbuff.h>
#include <linux/vmalloc.h>
+#include <linux/version.h>
#include <scsi/scsi_device.h>
#include <scsi/libiscsi_tcp.h>
+#include <libcxgb_ppm.h>
+
enum cxgbi_dbg_flag {
CXGBI_DBG_ISCSI,
CXGBI_DBG_DDP,
@@ -89,8 +92,6 @@ static inline unsigned int cxgbi_ulp_extra_len(int submode)
#define CPL_RX_DDP_STATUS_HCRC_SHIFT 20 /* hcrc error */
#define CPL_RX_DDP_STATUS_DCRC_SHIFT 21 /* dcrc error */
-#define DDP_PGIDX_MAX 4
-
/*
* sge_opaque_hdr -
* Opaque version of structure the SGE stores at skb->head of TX_DATA packets
@@ -200,6 +201,8 @@ struct cxgbi_skb_tx_cb {
enum cxgbi_skcb_flags {
SKCBF_TX_NEED_HDR, /* packet needs a header */
+ SKCBF_TX_MEM_WRITE, /* memory write */
+ SKCBF_TX_FLAG_COMPL, /* wr completion flag */
SKCBF_RX_COALESCED, /* received whole pdu */
SKCBF_RX_HDR, /* received pdu header */
SKCBF_RX_DATA, /* received pdu payload */
@@ -448,6 +451,9 @@ struct cxgbi_ports_map {
#define CXGBI_FLAG_DEV_T4 0x2
#define CXGBI_FLAG_ADAPTER_RESET 0x4
#define CXGBI_FLAG_IPV4_SET 0x10
+#define CXGBI_FLAG_USE_PPOD_OFLDQ 0x40
+#define CXGBI_FLAG_DDP_OFF 0x100
+
struct cxgbi_device {
struct list_head list_head;
struct list_head rcu_node;
@@ -471,6 +477,12 @@ struct cxgbi_device {
struct cxgbi_ports_map pmap;
void (*dev_ddp_cleanup)(struct cxgbi_device *);
+ struct cxgbi_ppm* (*cdev2ppm)(struct cxgbi_device *);
+ int (*csk_ddp_set_map)(struct cxgbi_ppm *, struct cxgbi_sock *,
+ struct cxgbi_task_tag_info *);
+ void (*csk_ddp_clear_map)(struct cxgbi_device *cdev,
+ struct cxgbi_ppm *,
+ struct cxgbi_task_tag_info *);
int (*csk_ddp_setup_digest)(struct cxgbi_sock *,
unsigned int, int, int, int);
int (*csk_ddp_setup_pgidx)(struct cxgbi_sock *,
@@ -494,6 +506,8 @@ struct cxgbi_conn {
struct iscsi_conn *iconn;
struct cxgbi_hba *chba;
u32 task_idx_bits;
+ unsigned int ddp_full;
+ unsigned int ddp_tag_full;
};
struct cxgbi_endpoint {
@@ -507,9 +521,11 @@ struct cxgbi_task_data {
unsigned short nr_frags;
struct page_frag frags[MAX_PDU_FRAGS];
struct sk_buff *skb;
+ unsigned int dlen;
unsigned int offset;
unsigned int count;
unsigned int sgoffset;
+ struct cxgbi_task_tag_info ttinfo;
};
#define iscsi_task_cxgbi_data(task) \
((task)->dd_data + sizeof(struct iscsi_tcp_task))
@@ -591,4 +607,11 @@ int cxgbi_ddp_init(struct cxgbi_device *, unsigned int, unsigned int,
unsigned int, unsigned int);
int cxgbi_ddp_cleanup(struct cxgbi_device *);
void cxgbi_ddp_page_size_factor(int *);
+void cxgbi_ddp_set_one_ppod(struct cxgbi_pagepod *,
+ struct cxgbi_task_tag_info *,
+ struct scatterlist **sg_pp, unsigned int *sg_off);
+void cxgbi_ddp_ppm_setup(void **ppm_pp, struct cxgbi_device *,
+ struct cxgbi_tag_format *, unsigned int ppmax,
+ unsigned int llimit, unsigned int start,
+ unsigned int rsvd_factor);
#endif /*__LIBCXGBI_H__*/