1 files changed, 24 insertions, 9 deletions

diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index c5cd43aae860..5b581fb8eb0d 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -46,6 +46,7 @@
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_sa.h>
 #include <rdma/ib_cm.h>
+#include <rdma/ib_fmr_pool.h>
 
 enum {
         SRP_PATH_REC_TIMEOUT_MS = 1000,
@@ -55,20 +56,21 @@ enum {
         SRP_DLID_REDIRECT       = 2,
 
         SRP_MAX_LUN             = 512,
-        SRP_MAX_IU_LEN          = 256,
+        SRP_DEF_SG_TABLESIZE    = 12,
 
         SRP_RQ_SHIFT            = 6,
         SRP_RQ_SIZE             = 1 << SRP_RQ_SHIFT,
         SRP_SQ_SIZE             = SRP_RQ_SIZE - 1,
         SRP_CQ_SIZE             = SRP_SQ_SIZE + SRP_RQ_SIZE,
 
-        SRP_TAG_TSK_MGMT        = 1 << (SRP_RQ_SHIFT + 1)
+        SRP_TAG_TSK_MGMT        = 1 << (SRP_RQ_SHIFT + 1),
+
+        SRP_FMR_SIZE            = 256,
+        SRP_FMR_POOL_SIZE       = 1024,
+        SRP_FMR_DIRTY_SIZE      = SRP_FMR_POOL_SIZE / 4
 };
 
 #define SRP_OP_RECV             (1 << 31)
-#define SRP_MAX_INDIRECT        ((SRP_MAX_IU_LEN -                      \
-                                  sizeof (struct srp_cmd) -             \
-                                  sizeof (struct srp_indirect_buf)) / 16)
 
 enum srp_target_state {
         SRP_TARGET_LIVE,
@@ -77,15 +79,24 @@ enum srp_target_state {
         SRP_TARGET_REMOVED
 };
 
-struct srp_host {
-        u8                      initiator_port_id[16];
+struct srp_device {
+        struct list_head        dev_list;
         struct ib_device       *dev;
-        u8                      port;
         struct ib_pd           *pd;
         struct ib_mr           *mr;
+        struct ib_fmr_pool     *fmr_pool;
+        int                     fmr_page_shift;
+        int                     fmr_page_size;
+        unsigned long           fmr_page_mask;
+};
+
+struct srp_host {
+        u8                      initiator_port_id[16];
+        struct srp_device      *dev;
+        u8                      port;
         struct class_device     class_dev;
         struct list_head        target_list;
-        struct mutex            target_mutex;
+        spinlock_t              target_lock;
         struct completion       released;
         struct list_head        list;
 };
@@ -95,6 +106,7 @@ struct srp_request {
         struct scsi_cmnd       *scmnd;
         struct srp_iu          *cmd;
         struct srp_iu          *tsk_mgmt;
+        struct ib_pool_fmr     *fmr;
         /*
          * Fake scatterlist used when scmnd->use_sg==0.  Can be killed
          * when the SCSI midlayer no longer generates non-SG commands.
@@ -110,6 +122,7 @@ struct srp_target_port {
         __be64                  id_ext;
         __be64                  ioc_guid;
         __be64                  service_id;
+        u16                     io_class;
         struct srp_host        *srp_host;
         struct Scsi_Host       *scsi_host;
         char                    target_name[32];
@@ -126,6 +139,8 @@ struct srp_target_port {
         int                     max_ti_iu_len;
         s32                     req_lim;
 
+        int                     zero_req_lim;
+
         unsigned                rx_head;
         struct srp_iu          *rx_ring[SRP_RQ_SIZE];