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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /drivers/infiniband/ulp/isert/ib_isert.h
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/infiniband/ulp/isert/ib_isert.h')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.h69
1 files changed, 3 insertions, 66 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 147900cbb..e512ba941 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -3,6 +3,7 @@
#include <linux/in6.h>
#include <rdma/ib_verbs.h>
#include <rdma/rdma_cm.h>
+#include <rdma/rw.h>
#include <scsi/iser.h>
@@ -53,10 +54,7 @@
#define ISERT_MIN_POSTED_RX (ISCSI_DEF_XMIT_CMDS_MAX >> 2)
-#define ISERT_INFLIGHT_DATAOUTS 8
-
-#define ISERT_QP_MAX_REQ_DTOS (ISCSI_DEF_XMIT_CMDS_MAX * \
- (1 + ISERT_INFLIGHT_DATAOUTS) + \
+#define ISERT_QP_MAX_REQ_DTOS (ISCSI_DEF_XMIT_CMDS_MAX + \
ISERT_MAX_TX_MISC_PDUS + \
ISERT_MAX_RX_MISC_PDUS)
@@ -71,13 +69,6 @@ enum isert_desc_type {
ISCSI_TX_DATAIN
};
-enum iser_ib_op_code {
- ISER_IB_RECV,
- ISER_IB_SEND,
- ISER_IB_RDMA_WRITE,
- ISER_IB_RDMA_READ,
-};
-
enum iser_conn_state {
ISER_CONN_INIT,
ISER_CONN_UP,
@@ -118,42 +109,6 @@ static inline struct iser_tx_desc *cqe_to_tx_desc(struct ib_cqe *cqe)
return container_of(cqe, struct iser_tx_desc, tx_cqe);
}
-
-enum isert_indicator {
- ISERT_PROTECTED = 1 << 0,
- ISERT_DATA_KEY_VALID = 1 << 1,
- ISERT_PROT_KEY_VALID = 1 << 2,
- ISERT_SIG_KEY_VALID = 1 << 3,
-};
-
-struct pi_context {
- struct ib_mr *prot_mr;
- struct ib_mr *sig_mr;
-};
-
-struct fast_reg_descriptor {
- struct list_head list;
- struct ib_mr *data_mr;
- u8 ind;
- struct pi_context *pi_ctx;
-};
-
-struct isert_data_buf {
- struct scatterlist *sg;
- int nents;
- u32 sg_off;
- u32 len; /* cur_rdma_length */
- u32 offset;
- unsigned int dma_nents;
- enum dma_data_direction dma_dir;
-};
-
-enum {
- DATA = 0,
- PROT = 1,
- SIG = 2,
-};
-
struct isert_cmd {
uint32_t read_stag;
uint32_t write_stag;
@@ -166,16 +121,7 @@ struct isert_cmd {
struct iscsi_cmd *iscsi_cmd;
struct iser_tx_desc tx_desc;
struct iser_rx_desc *rx_desc;
- enum iser_ib_op_code iser_ib_op;
- struct ib_sge *ib_sge;
- struct ib_sge s_ib_sge;
- int rdma_wr_num;
- struct ib_rdma_wr *rdma_wr;
- struct ib_rdma_wr s_rdma_wr;
- struct ib_sge ib_sg[3];
- struct isert_data_buf data;
- struct isert_data_buf prot;
- struct fast_reg_descriptor *fr_desc;
+ struct rdma_rw_ctx rw;
struct work_struct comp_work;
struct scatterlist sg;
};
@@ -210,10 +156,6 @@ struct isert_conn {
struct isert_device *device;
struct mutex mutex;
struct kref kref;
- struct list_head fr_pool;
- int fr_pool_size;
- /* lock to protect fastreg pool */
- spinlock_t pool_lock;
struct work_struct release_work;
bool logout_posted;
bool snd_w_inv;
@@ -236,7 +178,6 @@ struct isert_comp {
};
struct isert_device {
- int use_fastreg;
bool pi_capable;
int refcount;
struct ib_device *ib_device;
@@ -244,10 +185,6 @@ struct isert_device {
struct isert_comp *comps;
int comps_used;
struct list_head dev_node;
- int (*reg_rdma_mem)(struct isert_cmd *isert_cmd,
- struct iscsi_conn *conn);
- void (*unreg_rdma_mem)(struct isert_cmd *isert_cmd,
- struct isert_conn *isert_conn);
};
struct isert_np {