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path: root/drivers/infiniband/hw/ehca
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-rw-r--r--drivers/infiniband/hw/ehca/ehca_av.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h54
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes_pSeries.h156
-rw-r--r--drivers/infiniband/hw/ehca/ehca_cq.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_eq.c3
-rw-r--r--drivers/infiniband/hw/ehca/ehca_hca.c28
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c56
-rw-r--r--drivers/infiniband/hw/ehca/ehca_iverbs.h7
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c50
-rw-r--r--drivers/infiniband/hw/ehca/ehca_mrmw.c1087
-rw-r--r--drivers/infiniband/hw/ehca/ehca_mrmw.h21
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qes.h22
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c39
-rw-r--r--drivers/infiniband/hw/ehca/ehca_reqs.c15
-rw-r--r--drivers/infiniband/hw/ehca/ehca_tools.h31
-rw-r--r--drivers/infiniband/hw/ehca/ehca_uverbs.c10
-rw-r--r--drivers/infiniband/hw/ehca/hcp_if.c8
-rw-r--r--drivers/infiniband/hw/ehca/hcp_phyp.c2
-rw-r--r--drivers/infiniband/hw/ehca/hipz_fns_core.h4
-rw-r--r--drivers/infiniband/hw/ehca/hipz_hw.h24
-rw-r--r--drivers/infiniband/hw/ehca/ipz_pt_fn.c2
-rw-r--r--drivers/infiniband/hw/ehca/ipz_pt_fn.h4
22 files changed, 675 insertions, 952 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_av.c b/drivers/infiniband/hw/ehca/ehca_av.c
index 3cd6bf3402d1..e53a97af1260 100644
--- a/drivers/infiniband/hw/ehca/ehca_av.c
+++ b/drivers/infiniband/hw/ehca/ehca_av.c
@@ -79,7 +79,7 @@ struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
av->av.ipd = (ah_mult > 0) ?
((ehca_mult - 1) / ah_mult) : 0;
} else
- av->av.ipd = ehca_static_rate;
+ av->av.ipd = ehca_static_rate;
av->av.lnh = ah_attr->ah_flags;
av->av.grh.word_0 = EHCA_BMASK_SET(GRH_IPVERSION_MASK, 6);
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index daf823ea1ace..043e4fb23fb0 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -204,11 +204,11 @@ struct ehca_mr {
spinlock_t mrlock;
enum ehca_mr_flag flags;
- u32 num_pages; /* number of MR pages */
- u32 num_4k; /* number of 4k "page" portions to form MR */
+ u32 num_kpages; /* number of kernel pages */
+ u32 num_hwpages; /* number of hw pages to form MR */
int acl; /* ACL (stored here for usage in reregister) */
u64 *start; /* virtual start address (stored here for */
- /* usage in reregister) */
+ /* usage in reregister) */
u64 size; /* size (stored here for usage in reregister) */
u32 fmr_page_size; /* page size for FMR */
u32 fmr_max_pages; /* max pages for FMR */
@@ -217,9 +217,6 @@ struct ehca_mr {
/* fw specific data */
struct ipz_mrmw_handle ipz_mr_handle; /* MR handle for h-calls */
struct h_galpas galpas;
- /* data for userspace bridge */
- u32 nr_of_pages;
- void *pagearray;
};
struct ehca_mw {
@@ -241,26 +238,29 @@ enum ehca_mr_pgi_type {
struct ehca_mr_pginfo {
enum ehca_mr_pgi_type type;
- u64 num_pages;
- u64 page_cnt;
- u64 num_4k; /* number of 4k "page" portions */
- u64 page_4k_cnt; /* counter for 4k "page" portions */
- u64 next_4k; /* next 4k "page" portion in buffer/chunk/listelem */
-
- /* type EHCA_MR_PGI_PHYS section */
- int num_phys_buf;
- struct ib_phys_buf *phys_buf_array;
- u64 next_buf;
-
- /* type EHCA_MR_PGI_USER section */
- struct ib_umem *region;
- struct ib_umem_chunk *next_chunk;
- u64 next_nmap;
-
- /* type EHCA_MR_PGI_FMR section */
- u64 *page_list;
- u64 next_listelem;
- /* next_4k also used within EHCA_MR_PGI_FMR */
+ u64 num_kpages;
+ u64 kpage_cnt;
+ u64 num_hwpages; /* number of hw pages */
+ u64 hwpage_cnt; /* counter for hw pages */
+ u64 next_hwpage; /* next hw page in buffer/chunk/listelem */
+
+ union {
+ struct { /* type EHCA_MR_PGI_PHYS section */
+ int num_phys_buf;
+ struct ib_phys_buf *phys_buf_array;
+ u64 next_buf;
+ } phy;
+ struct { /* type EHCA_MR_PGI_USER section */
+ struct ib_umem *region;
+ struct ib_umem_chunk *next_chunk;
+ u64 next_nmap;
+ } usr;
+ struct { /* type EHCA_MR_PGI_FMR section */
+ u64 fmr_pgsize;
+ u64 *page_list;
+ u64 next_listelem;
+ } fmr;
+ } u;
};
/* output parameters for MR/FMR hipz calls */
@@ -391,6 +391,6 @@ struct ehca_alloc_qp_parms {
int ehca_cq_assign_qp(struct ehca_cq *cq, struct ehca_qp *qp);
int ehca_cq_unassign_qp(struct ehca_cq *cq, unsigned int qp_num);
-struct ehca_qp* ehca_cq_get_qp(struct ehca_cq *cq, int qp_num);
+struct ehca_qp *ehca_cq_get_qp(struct ehca_cq *cq, int qp_num);
#endif
diff --git a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h b/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
index fb3df5c271e7..1798e6466bd0 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
@@ -154,83 +154,83 @@ struct hcp_modify_qp_control_block {
u32 reserved_70_127[58]; /* 70 */
};
-#define MQPCB_MASK_QKEY EHCA_BMASK_IBM(0,0)
-#define MQPCB_MASK_SEND_PSN EHCA_BMASK_IBM(2,2)
-#define MQPCB_MASK_RECEIVE_PSN EHCA_BMASK_IBM(3,3)
-#define MQPCB_MASK_PRIM_PHYS_PORT EHCA_BMASK_IBM(4,4)
-#define MQPCB_PRIM_PHYS_PORT EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_ALT_PHYS_PORT EHCA_BMASK_IBM(5,5)
-#define MQPCB_MASK_PRIM_P_KEY_IDX EHCA_BMASK_IBM(6,6)
-#define MQPCB_PRIM_P_KEY_IDX EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_ALT_P_KEY_IDX EHCA_BMASK_IBM(7,7)
-#define MQPCB_MASK_RDMA_ATOMIC_CTRL EHCA_BMASK_IBM(8,8)
-#define MQPCB_MASK_QP_STATE EHCA_BMASK_IBM(9,9)
-#define MQPCB_QP_STATE EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_RDMA_NR_ATOMIC_RESP_RES EHCA_BMASK_IBM(11,11)
-#define MQPCB_MASK_PATH_MIGRATION_STATE EHCA_BMASK_IBM(12,12)
-#define MQPCB_MASK_RDMA_ATOMIC_OUTST_DEST_QP EHCA_BMASK_IBM(13,13)
-#define MQPCB_MASK_DEST_QP_NR EHCA_BMASK_IBM(14,14)
-#define MQPCB_MASK_MIN_RNR_NAK_TIMER_FIELD EHCA_BMASK_IBM(15,15)
-#define MQPCB_MASK_SERVICE_LEVEL EHCA_BMASK_IBM(16,16)
-#define MQPCB_MASK_SEND_GRH_FLAG EHCA_BMASK_IBM(17,17)
-#define MQPCB_MASK_RETRY_COUNT EHCA_BMASK_IBM(18,18)
-#define MQPCB_MASK_TIMEOUT EHCA_BMASK_IBM(19,19)
-#define MQPCB_MASK_PATH_MTU EHCA_BMASK_IBM(20,20)
-#define MQPCB_PATH_MTU EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_MAX_STATIC_RATE EHCA_BMASK_IBM(21,21)
-#define MQPCB_MAX_STATIC_RATE EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_DLID EHCA_BMASK_IBM(22,22)
-#define MQPCB_DLID EHCA_BMASK_IBM(16,31)
-#define MQPCB_MASK_RNR_RETRY_COUNT EHCA_BMASK_IBM(23,23)
-#define MQPCB_RNR_RETRY_COUNT EHCA_BMASK_IBM(29,31)
-#define MQPCB_MASK_SOURCE_PATH_BITS EHCA_BMASK_IBM(24,24)
-#define MQPCB_SOURCE_PATH_BITS EHCA_BMASK_IBM(25,31)
-#define MQPCB_MASK_TRAFFIC_CLASS EHCA_BMASK_IBM(25,25)
-#define MQPCB_TRAFFIC_CLASS EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_HOP_LIMIT EHCA_BMASK_IBM(26,26)
-#define MQPCB_HOP_LIMIT EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_SOURCE_GID_IDX EHCA_BMASK_IBM(27,27)
-#define MQPCB_SOURCE_GID_IDX EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_FLOW_LABEL EHCA_BMASK_IBM(28,28)
-#define MQPCB_FLOW_LABEL EHCA_BMASK_IBM(12,31)
-#define MQPCB_MASK_DEST_GID EHCA_BMASK_IBM(30,30)
-#define MQPCB_MASK_SERVICE_LEVEL_AL EHCA_BMASK_IBM(31,31)
-#define MQPCB_SERVICE_LEVEL_AL EHCA_BMASK_IBM(28,31)
-#define MQPCB_MASK_SEND_GRH_FLAG_AL EHCA_BMASK_IBM(32,32)
-#define MQPCB_SEND_GRH_FLAG_AL EHCA_BMASK_IBM(31,31)
-#define MQPCB_MASK_RETRY_COUNT_AL EHCA_BMASK_IBM(33,33)
-#define MQPCB_RETRY_COUNT_AL EHCA_BMASK_IBM(29,31)
-#define MQPCB_MASK_TIMEOUT_AL EHCA_BMASK_IBM(34,34)
-#define MQPCB_TIMEOUT_AL EHCA_BMASK_IBM(27,31)
-#define MQPCB_MASK_MAX_STATIC_RATE_AL EHCA_BMASK_IBM(35,35)
-#define MQPCB_MAX_STATIC_RATE_AL EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_DLID_AL EHCA_BMASK_IBM(36,36)
-#define MQPCB_DLID_AL EHCA_BMASK_IBM(16,31)
-#define MQPCB_MASK_RNR_RETRY_COUNT_AL EHCA_BMASK_IBM(37,37)
-#define MQPCB_RNR_RETRY_COUNT_AL EHCA_BMASK_IBM(29,31)
-#define MQPCB_MASK_SOURCE_PATH_BITS_AL EHCA_BMASK_IBM(38,38)
-#define MQPCB_SOURCE_PATH_BITS_AL EHCA_BMASK_IBM(25,31)
-#define MQPCB_MASK_TRAFFIC_CLASS_AL EHCA_BMASK_IBM(39,39)
-#define MQPCB_TRAFFIC_CLASS_AL EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_HOP_LIMIT_AL EHCA_BMASK_IBM(40,40)
-#define MQPCB_HOP_LIMIT_AL EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_SOURCE_GID_IDX_AL EHCA_BMASK_IBM(41,41)
-#define MQPCB_SOURCE_GID_IDX_AL EHCA_BMASK_IBM(24,31)
-#define MQPCB_MASK_FLOW_LABEL_AL EHCA_BMASK_IBM(42,42)
-#define MQPCB_FLOW_LABEL_AL EHCA_BMASK_IBM(12,31)
-#define MQPCB_MASK_DEST_GID_AL EHCA_BMASK_IBM(44,44)
-#define MQPCB_MASK_MAX_NR_OUTST_SEND_WR EHCA_BMASK_IBM(45,45)
-#define MQPCB_MAX_NR_OUTST_SEND_WR EHCA_BMASK_IBM(16,31)
-#define MQPCB_MASK_MAX_NR_OUTST_RECV_WR EHCA_BMASK_IBM(46,46)
-#define MQPCB_MAX_NR_OUTST_RECV_WR EHCA_BMASK_IBM(16,31)
-#define MQPCB_MASK_DISABLE_ETE_CREDIT_CHECK EHCA_BMASK_IBM(47,47)
-#define MQPCB_DISABLE_ETE_CREDIT_CHECK EHCA_BMASK_IBM(31,31)
-#define MQPCB_QP_NUMBER EHCA_BMASK_IBM(8,31)
-#define MQPCB_MASK_QP_ENABLE EHCA_BMASK_IBM(48,48)
-#define MQPCB_QP_ENABLE EHCA_BMASK_IBM(31,31)
-#define MQPCB_MASK_CURR_SRQ_LIMIT EHCA_BMASK_IBM(49,49)
-#define MQPCB_CURR_SRQ_LIMIT EHCA_BMASK_IBM(16,31)
-#define MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG EHCA_BMASK_IBM(50,50)
-#define MQPCB_MASK_SHARED_RQ_HNDL EHCA_BMASK_IBM(51,51)
+#define MQPCB_MASK_QKEY EHCA_BMASK_IBM( 0, 0)
+#define MQPCB_MASK_SEND_PSN EHCA_BMASK_IBM( 2, 2)
+#define MQPCB_MASK_RECEIVE_PSN EHCA_BMASK_IBM( 3, 3)
+#define MQPCB_MASK_PRIM_PHYS_PORT EHCA_BMASK_IBM( 4, 4)
+#define MQPCB_PRIM_PHYS_PORT EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_ALT_PHYS_PORT EHCA_BMASK_IBM( 5, 5)
+#define MQPCB_MASK_PRIM_P_KEY_IDX EHCA_BMASK_IBM( 6, 6)
+#define MQPCB_PRIM_P_KEY_IDX EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_ALT_P_KEY_IDX EHCA_BMASK_IBM( 7, 7)
+#define MQPCB_MASK_RDMA_ATOMIC_CTRL EHCA_BMASK_IBM( 8, 8)
+#define MQPCB_MASK_QP_STATE EHCA_BMASK_IBM( 9, 9)
+#define MQPCB_QP_STATE EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_RDMA_NR_ATOMIC_RESP_RES EHCA_BMASK_IBM(11, 11)
+#define MQPCB_MASK_PATH_MIGRATION_STATE EHCA_BMASK_IBM(12, 12)
+#define MQPCB_MASK_RDMA_ATOMIC_OUTST_DEST_QP EHCA_BMASK_IBM(13, 13)
+#define MQPCB_MASK_DEST_QP_NR EHCA_BMASK_IBM(14, 14)
+#define MQPCB_MASK_MIN_RNR_NAK_TIMER_FIELD EHCA_BMASK_IBM(15, 15)
+#define MQPCB_MASK_SERVICE_LEVEL EHCA_BMASK_IBM(16, 16)
+#define MQPCB_MASK_SEND_GRH_FLAG EHCA_BMASK_IBM(17, 17)
+#define MQPCB_MASK_RETRY_COUNT EHCA_BMASK_IBM(18, 18)
+#define MQPCB_MASK_TIMEOUT EHCA_BMASK_IBM(19, 19)
+#define MQPCB_MASK_PATH_MTU EHCA_BMASK_IBM(20, 20)
+#define MQPCB_PATH_MTU EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_MAX_STATIC_RATE EHCA_BMASK_IBM(21, 21)
+#define MQPCB_MAX_STATIC_RATE EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_DLID EHCA_BMASK_IBM(22, 22)
+#define MQPCB_DLID EHCA_BMASK_IBM(16, 31)
+#define MQPCB_MASK_RNR_RETRY_COUNT EHCA_BMASK_IBM(23, 23)
+#define MQPCB_RNR_RETRY_COUNT EHCA_BMASK_IBM(29, 31)
+#define MQPCB_MASK_SOURCE_PATH_BITS EHCA_BMASK_IBM(24, 24)
+#define MQPCB_SOURCE_PATH_BITS EHCA_BMASK_IBM(25, 31)
+#define MQPCB_MASK_TRAFFIC_CLASS EHCA_BMASK_IBM(25, 25)
+#define MQPCB_TRAFFIC_CLASS EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_HOP_LIMIT EHCA_BMASK_IBM(26, 26)
+#define MQPCB_HOP_LIMIT EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_SOURCE_GID_IDX EHCA_BMASK_IBM(27, 27)
+#define MQPCB_SOURCE_GID_IDX EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_FLOW_LABEL EHCA_BMASK_IBM(28, 28)
+#define MQPCB_FLOW_LABEL EHCA_BMASK_IBM(12, 31)
+#define MQPCB_MASK_DEST_GID EHCA_BMASK_IBM(30, 30)
+#define MQPCB_MASK_SERVICE_LEVEL_AL EHCA_BMASK_IBM(31, 31)
+#define MQPCB_SERVICE_LEVEL_AL EHCA_BMASK_IBM(28, 31)
+#define MQPCB_MASK_SEND_GRH_FLAG_AL EHCA_BMASK_IBM(32, 32)
+#define MQPCB_SEND_GRH_FLAG_AL EHCA_BMASK_IBM(31, 31)
+#define MQPCB_MASK_RETRY_COUNT_AL EHCA_BMASK_IBM(33, 33)
+#define MQPCB_RETRY_COUNT_AL EHCA_BMASK_IBM(29, 31)
+#define MQPCB_MASK_TIMEOUT_AL EHCA_BMASK_IBM(34, 34)
+#define MQPCB_TIMEOUT_AL EHCA_BMASK_IBM(27, 31)
+#define MQPCB_MASK_MAX_STATIC_RATE_AL EHCA_BMASK_IBM(35, 35)
+#define MQPCB_MAX_STATIC_RATE_AL EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_DLID_AL EHCA_BMASK_IBM(36, 36)
+#define MQPCB_DLID_AL EHCA_BMASK_IBM(16, 31)
+#define MQPCB_MASK_RNR_RETRY_COUNT_AL EHCA_BMASK_IBM(37, 37)
+#define MQPCB_RNR_RETRY_COUNT_AL EHCA_BMASK_IBM(29, 31)
+#define MQPCB_MASK_SOURCE_PATH_BITS_AL EHCA_BMASK_IBM(38, 38)
+#define MQPCB_SOURCE_PATH_BITS_AL EHCA_BMASK_IBM(25, 31)
+#define MQPCB_MASK_TRAFFIC_CLASS_AL EHCA_BMASK_IBM(39, 39)
+#define MQPCB_TRAFFIC_CLASS_AL EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_HOP_LIMIT_AL EHCA_BMASK_IBM(40, 40)
+#define MQPCB_HOP_LIMIT_AL EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_SOURCE_GID_IDX_AL EHCA_BMASK_IBM(41, 41)
+#define MQPCB_SOURCE_GID_IDX_AL EHCA_BMASK_IBM(24, 31)
+#define MQPCB_MASK_FLOW_LABEL_AL EHCA_BMASK_IBM(42, 42)
+#define MQPCB_FLOW_LABEL_AL EHCA_BMASK_IBM(12, 31)
+#define MQPCB_MASK_DEST_GID_AL EHCA_BMASK_IBM(44, 44)
+#define MQPCB_MASK_MAX_NR_OUTST_SEND_WR EHCA_BMASK_IBM(45, 45)
+#define MQPCB_MAX_NR_OUTST_SEND_WR EHCA_BMASK_IBM(16, 31)
+#define MQPCB_MASK_MAX_NR_OUTST_RECV_WR EHCA_BMASK_IBM(46, 46)
+#define MQPCB_MAX_NR_OUTST_RECV_WR EHCA_BMASK_IBM(16, 31)
+#define MQPCB_MASK_DISABLE_ETE_CREDIT_CHECK EHCA_BMASK_IBM(47, 47)
+#define MQPCB_DISABLE_ETE_CREDIT_CHECK EHCA_BMASK_IBM(31, 31)
+#define MQPCB_QP_NUMBER EHCA_BMASK_IBM( 8, 31)
+#define MQPCB_MASK_QP_ENABLE EHCA_BMASK_IBM(48, 48)
+#define MQPCB_QP_ENABLE EHCA_BMASK_IBM(31, 31)
+#define MQPCB_MASK_CURR_SRQ_LIMIT EHCA_BMASK_IBM(49, 49)
+#define MQPCB_CURR_SRQ_LIMIT EHCA_BMASK_IBM(16, 31)
+#define MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG EHCA_BMASK_IBM(50, 50)
+#define MQPCB_MASK_SHARED_RQ_HNDL EHCA_BMASK_IBM(51, 51)
#endif /* __EHCA_CLASSES_PSERIES_H__ */
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 01d4a148bd71..9e87883b561a 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -97,7 +97,7 @@ int ehca_cq_unassign_qp(struct ehca_cq *cq, unsigned int real_qp_num)
return ret;
}
-struct ehca_qp* ehca_cq_get_qp(struct ehca_cq *cq, int real_qp_num)
+struct ehca_qp *ehca_cq_get_qp(struct ehca_cq *cq, int real_qp_num)
{
struct ehca_qp *ret = NULL;
unsigned int key = real_qp_num & (QP_HASHTAB_LEN-1);
diff --git a/drivers/infiniband/hw/ehca/ehca_eq.c b/drivers/infiniband/hw/ehca/ehca_eq.c
index 4961eb88827c..4825975f88cf 100644
--- a/drivers/infiniband/hw/ehca/ehca_eq.c
+++ b/drivers/infiniband/hw/ehca/ehca_eq.c
@@ -96,7 +96,8 @@ int ehca_create_eq(struct ehca_shca *shca,
for (i = 0; i < nr_pages; i++) {
u64 rpage;
- if (!(vpage = ipz_qpageit_get_inc(&eq->ipz_queue))) {
+ vpage = ipz_qpageit_get_inc(&eq->ipz_queue);
+ if (!vpage) {
ret = H_RESOURCE;
goto create_eq_exit2;
}
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
index bbd3c6a5822f..fc19ef9fd963 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -127,6 +127,7 @@ int ehca_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
int ret = 0;
+ u64 h_ret;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_port *rblock;
@@ -137,7 +138,8 @@ int ehca_query_port(struct ib_device *ibdev,
return -ENOMEM;
}
- if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
+ h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
+ if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_port1;
@@ -197,6 +199,7 @@ int ehca_query_sma_attr(struct ehca_shca *shca,
u8 port, struct ehca_sma_attr *attr)
{
int ret = 0;
+ u64 h_ret;
struct hipz_query_port *rblock;
rblock = ehca_alloc_fw_ctrlblock(GFP_ATOMIC);
@@ -205,7 +208,8 @@ int ehca_query_sma_attr(struct ehca_shca *shca,
return -ENOMEM;
}
- if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
+ h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
+ if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_sma_attr1;
@@ -230,9 +234,11 @@ query_sma_attr1:
int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
{
int ret = 0;
- struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device);
+ u64 h_ret;
+ struct ehca_shca *shca;
struct hipz_query_port *rblock;
+ shca = container_of(ibdev, struct ehca_shca, ib_device);
if (index > 16) {
ehca_err(&shca->ib_device, "Invalid index: %x.", index);
return -EINVAL;
@@ -244,7 +250,8 @@ int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
return -ENOMEM;
}
- if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
+ h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
+ if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_pkey1;
@@ -262,6 +269,7 @@ int ehca_query_gid(struct ib_device *ibdev, u8 port,
int index, union ib_gid *gid)
{
int ret = 0;
+ u64 h_ret;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_port *rblock;
@@ -277,7 +285,8 @@ int ehca_query_gid(struct ib_device *ibdev, u8 port,
return -ENOMEM;
}
- if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
+ h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
+ if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_gid1;
@@ -302,11 +311,12 @@ int ehca_modify_port(struct ib_device *ibdev,
struct ib_port_modify *props)
{
int ret = 0;
- struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device);
+ struct ehca_shca *shca;
struct hipz_query_port *rblock;
u32 cap;
u64 hret;
+ shca = container_of(ibdev, struct ehca_shca, ib_device);
if ((props->set_port_cap_mask | props->clr_port_cap_mask)
& ~allowed_port_caps) {
ehca_err(&shca->ib_device, "Non-changeable bits set in masks "
@@ -325,7 +335,8 @@ int ehca_modify_port(struct ib_device *ibdev,
goto modify_port1;
}
- if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
+ hret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
+ if (hret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto modify_port2;
@@ -337,7 +348,8 @@ int ehca_modify_port(struct ib_device *ibdev,
hret = hipz_h_modify_port(shca->ipz_hca_handle, port,
cap, props->init_type, port_modify_mask);
if (hret != H_SUCCESS) {
- ehca_err(&shca->ib_device, "Modify port failed hret=%lx", hret);
+ ehca_err(&shca->ib_device, "Modify port failed hret=%lx",
+ hret);
ret = -EINVAL;
}
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 96eba3830754..4fb01fcb63ae 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -49,26 +49,26 @@
#include "hipz_fns.h"
#include "ipz_pt_fn.h"
-#define EQE_COMPLETION_EVENT EHCA_BMASK_IBM(1,1)
-#define EQE_CQ_QP_NUMBER EHCA_BMASK_IBM(8,31)
-#define EQE_EE_IDENTIFIER EHCA_BMASK_IBM(2,7)
-#define EQE_CQ_NUMBER EHCA_BMASK_IBM(8,31)
-#define EQE_QP_NUMBER EHCA_BMASK_IBM(8,31)
-#define EQE_QP_TOKEN EHCA_BMASK_IBM(32,63)
-#define EQE_CQ_TOKEN EHCA_BMASK_IBM(32,63)
-
-#define NEQE_COMPLETION_EVENT EHCA_BMASK_IBM(1,1)
-#define NEQE_EVENT_CODE EHCA_BMASK_IBM(2,7)
-#define NEQE_PORT_NUMBER EHCA_BMASK_IBM(8,15)
-#define NEQE_PORT_AVAILABILITY EHCA_BMASK_IBM(16,16)
-#define NEQE_DISRUPTIVE EHCA_BMASK_IBM(16,16)
-
-#define ERROR_DATA_LENGTH EHCA_BMASK_IBM(52,63)
-#define ERROR_DATA_TYPE EHCA_BMASK_IBM(0,7)
+#define EQE_COMPLETION_EVENT EHCA_BMASK_IBM( 1, 1)
+#define EQE_CQ_QP_NUMBER EHCA_BMASK_IBM( 8, 31)
+#define EQE_EE_IDENTIFIER EHCA_BMASK_IBM( 2, 7)
+#define EQE_CQ_NUMBER EHCA_BMASK_IBM( 8, 31)
+#define EQE_QP_NUMBER EHCA_BMASK_IBM( 8, 31)
+#define EQE_QP_TOKEN EHCA_BMASK_IBM(32, 63)
+#define EQE_CQ_TOKEN EHCA_BMASK_IBM(32, 63)
+
+#define NEQE_COMPLETION_EVENT EHCA_BMASK_IBM( 1, 1)
+#define NEQE_EVENT_CODE EHCA_BMASK_IBM( 2, 7)
+#define NEQE_PORT_NUMBER EHCA_BMASK_IBM( 8, 15)
+#define NEQE_PORT_AVAILABILITY EHCA_BMASK_IBM(16, 16)
+#define NEQE_DISRUPTIVE EHCA_BMASK_IBM(16, 16)
+
+#define ERROR_DATA_LENGTH EHCA_BMASK_IBM(52, 63)
+#define ERROR_DATA_TYPE EHCA_BMASK_IBM( 0, 7)
static void queue_comp_task(struct ehca_cq *__cq);
-static struct ehca_comp_pool* pool;
+static struct ehca_comp_pool *pool;
#ifdef CONFIG_HOTPLUG_CPU
static struct notifier_block comp_pool_callback_nb;
#endif
@@ -85,8 +85,8 @@ static inline void comp_event_callback(struct ehca_cq *cq)
return;
}
-static void print_error_data(struct ehca_shca * shca, void* data,
- u64* rblock, int length)
+static void print_error_data(struct ehca_shca *shca, void *data,
+ u64 *rblock, int length)
{
u64 type = EHCA_BMASK_GET(ERROR_DATA_TYPE, rblock[2]);
u64 resource = rblock[1];
@@ -94,7 +94,7 @@ static void print_error_data(struct ehca_shca * shca, void* data,
switch (type) {
case 0x1: /* Queue Pair */
{
- struct ehca_qp *qp = (struct ehca_qp*)data;
+ struct ehca_qp *qp = (struct ehca_qp *)data;
/* only print error data if AER is set */
if (rblock[6] == 0)
@@ -107,7 +107,7 @@ static void print_error_data(struct ehca_shca * shca, void* data,
}
case 0x4: /* Completion Queue */
{
- struct ehca_cq *cq = (struct ehca_cq*)data;
+ struct ehca_cq *cq = (struct ehca_cq *)data;
ehca_err(&shca->ib_device,
"CQ 0x%x (resource=%lx) has errors.",
@@ -572,7 +572,7 @@ void ehca_tasklet_eq(unsigned long data)
ehca_process_eq((struct ehca_shca*)data, 1);
}
-static inline int find_next_online_cpu(struct ehca_comp_pool* pool)
+static inline int find_next_online_cpu(struct ehca_comp_pool *pool)
{
int cpu;
unsigned long flags;
@@ -636,7 +636,7 @@ static void queue_comp_task(struct ehca_cq *__cq)
__queue_comp_task(__cq, cct);
}
-static void run_comp_task(struct ehca_cpu_comp_task* cct)
+static void run_comp_task(struct ehca_cpu_comp_task *cct)
{
struct ehca_cq *cq;
unsigned long flags;
@@ -666,12 +666,12 @@ static void run_comp_task(struct ehca_cpu_comp_task* cct)
static int comp_task(void *__cct)
{
- struct ehca_cpu_comp_task* cct = __cct;
+ struct ehca_cpu_comp_task *cct = __cct;
int cql_empty;
DECLARE_WAITQUEUE(wait, current);
set_current_state(TASK_INTERRUPTIBLE);
- while(!kthread_should_stop()) {
+ while (!kthread_should_stop()) {
add_wait_queue(&cct->wait_queue, &wait);
spin_lock_irq(&cct->task_lock);
@@ -745,7 +745,7 @@ static void take_over_work(struct ehca_comp_pool *pool,
list_splice_init(&cct->cq_list, &list);
- while(!list_empty(&list)) {
+ while (!list_empty(&list)) {
cq = list_entry(cct->cq_list.next, struct ehca_cq, entry);
list_del(&cq->entry);
@@ -768,7 +768,7 @@ static int comp_pool_callback(struct notifier_block *nfb,
case CPU_UP_PREPARE:
case CPU_UP_PREPARE_FROZEN:
ehca_gen_dbg("CPU: %x (CPU_PREPARE)", cpu);
- if(!create_comp_task(pool, cpu)) {
+ if (!create_comp_task(pool, cpu)) {
ehca_gen_err("Can't create comp_task for cpu: %x", cpu);
return NOTIFY_BAD;
}
@@ -838,7 +838,7 @@ int ehca_create_comp_pool(void)
#ifdef CONFIG_HOTPLUG_CPU
comp_pool_callback_nb.notifier_call = comp_pool_callback;
- comp_pool_callback_nb.priority =0;
+ comp_pool_callback_nb.priority = 0;
register_cpu_notifier(&comp_pool_callback_nb);
#endif
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
index 77aeca6a2c2f..dce503bb7d6b 100644
--- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -81,8 +81,9 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
int num_phys_buf,
int mr_access_flags, u64 *iova_start);
-struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt,
- int mr_access_flags, struct ib_udata *udata);
+struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
+ u64 virt, int mr_access_flags,
+ struct ib_udata *udata);
int ehca_rereg_phys_mr(struct ib_mr *mr,
int mr_rereg_mask,
@@ -192,7 +193,7 @@ void ehca_poll_eqs(unsigned long data);
void *ehca_alloc_fw_ctrlblock(gfp_t flags);
void ehca_free_fw_ctrlblock(void *ptr);
#else
-#define ehca_alloc_fw_ctrlblock(flags) ((void *) get_zeroed_page(flags))
+#define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
#define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
#endif
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 28ba2dd24216..36377c6db3d4 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -107,7 +107,7 @@ static DEFINE_SPINLOCK(shca_list_lock);
static struct timer_list poll_eqs_timer;
#ifdef CONFIG_PPC_64K_PAGES
-static struct kmem_cache *ctblk_cache = NULL;
+static struct kmem_cache *ctblk_cache;
void *ehca_alloc_fw_ctrlblock(gfp_t flags)
{
@@ -200,8 +200,8 @@ static void ehca_destroy_slab_caches(void)
#endif
}
-#define EHCA_HCAAVER EHCA_BMASK_IBM(32,39)
-#define EHCA_REVID EHCA_BMASK_IBM(40,63)
+#define EHCA_HCAAVER EHCA_BMASK_IBM(32, 39)
+#define EHCA_REVID EHCA_BMASK_IBM(40, 63)
static struct cap_descr {
u64 mask;
@@ -263,22 +263,27 @@ int ehca_sense_attributes(struct ehca_shca *shca)
ehca_gen_dbg(" ... hardware version=%x:%x", hcaaver, revid);
- if ((hcaaver == 1) && (revid == 0))
- shca->hw_level = 0x11;
- else if ((hcaaver == 1) && (revid == 1))
- shca->hw_level = 0x12;
- else if ((hcaaver == 1) && (revid == 2))
- shca->hw_level = 0x13;
- else if ((hcaaver == 2) && (revid == 0))
- shca->hw_level = 0x21;
- else if ((hcaaver == 2) && (revid == 0x10))
- shca->hw_level = 0x22;
- else {
+ if (hcaaver == 1) {
+ if (revid <= 3)
+ shca->hw_level = 0x10 | (revid + 1);
+ else
+ shca->hw_level = 0x14;
+ } else if (hcaaver == 2) {
+ if (revid == 0)
+ shca->hw_level = 0x21;
+ else if (revid == 0x10)
+ shca->hw_level = 0x22;
+ else if (revid == 0x20 || revid == 0x21)
+ shca->hw_level = 0x23;
+ }
+
+ if (!shca->hw_level) {
ehca_gen_warn("unknown hardware version"
" - assuming default level");
shca->hw_level = 0x22;
}
- }
+ } else
+ shca->hw_level = ehca_hw_level;
ehca_gen_dbg(" ... hardware level=%x", shca->hw_level);
shca->sport[0].rate = IB_RATE_30_GBPS;
@@ -290,7 +295,7 @@ int ehca_sense_attributes(struct ehca_shca *shca)
if (EHCA_BMASK_GET(hca_cap_descr[i].mask, shca->hca_cap))
ehca_gen_dbg(" %s", hca_cap_descr[i].descr);
- port = (struct hipz_query_port *) rblock;
+ port = (struct hipz_query_port *)rblock;
h_ret = hipz_h_query_port(shca->ipz_hca_handle, 1, port);
if (h_ret != H_SUCCESS) {
ehca_gen_err("Cannot query port properties. h_ret=%lx",
@@ -439,7 +444,7 @@ static int ehca_create_aqp1(struct ehca_shca *shca, u32 port)
return -EPERM;
}
- ibcq = ib_create_cq(&shca->ib_device, NULL, NULL, (void*)(-1), 10, 0);
+ ibcq = ib_create_cq(&shca->ib_device, NULL, NULL, (void *)(-1), 10, 0);
if (IS_ERR(ibcq)) {
ehca_err(&shca->ib_device, "Cannot create AQP1 CQ.");
return PTR_ERR(ibcq);
@@ -666,7 +671,7 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev,
}
/* create internal protection domain */
- ibpd = ehca_alloc_pd(&shca->ib_device, (void*)(-1), NULL);
+ ibpd = ehca_alloc_pd(&shca->ib_device, (void *)(-1), NULL);
if (IS_ERR(ibpd)) {
ehca_err(&shca->ib_device, "Cannot create internal PD.");
ret = PTR_ERR(ibpd);
@@ -863,18 +868,21 @@ int __init ehca_module_init(void)
printk(KERN_INFO "eHCA Infiniband Device Driver "
"(Rel.: SVNEHCA_0023)\n");
- if ((ret = ehca_create_comp_pool())) {
+ ret = ehca_create_comp_pool();
+ if (ret) {
ehca_gen_err("Cannot create comp pool.");
return ret;
}
- if ((ret = ehca_create_slab_caches())) {
+ ret = ehca_create_slab_caches();
+ if (ret) {
ehca_gen_err("Cannot create SLAB caches");
ret = -ENOMEM;
goto module_init1;
}
- if ((ret = ibmebus_register_driver(&ehca_driver))) {
+ ret = ibmebus_register_driver(&ehca_driver);
+ if (ret) {
ehca_gen_err("Cannot register eHCA device driver");
ret = -EINVAL;
goto module_init2;
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index add79bd44e39..6262c5462d50 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -48,6 +48,11 @@
#include "hcp_if.h"
#include "hipz_hw.h"
+#define NUM_CHUNKS(length, chunk_size) \
+ (((length) + (chunk_size - 1)) / (chunk_size))
+/* max number of rpages (per hcall register_rpages) */
+#define MAX_RPAGES 512
+
static struct kmem_cache *mr_cache;
static struct kmem_cache *mw_cache;
@@ -56,9 +61,9 @@ static struct ehca_mr *ehca_mr_new(void)
struct ehca_mr *me;
me = kmem_cache_zalloc(mr_cache, GFP_KERNEL);
- if (me) {
+ if (me)
spin_lock_init(&me->mrlock);
- } else
+ else
ehca_gen_err("alloc failed");
return me;
@@ -74,9 +79,9 @@ static struct ehca_mw *ehca_mw_new(void)
struct ehca_mw *me;
me = kmem_cache_zalloc(mw_cache, GFP_KERNEL);
- if (me) {
+ if (me)
spin_lock_init(&me->mwlock);
- } else
+ else
ehca_gen_err("alloc failed");
return me;
@@ -106,11 +111,12 @@ struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags)
goto get_dma_mr_exit0;
}
- ret = ehca_reg_maxmr(shca, e_maxmr, (u64*)KERNELBASE,
+ ret = ehca_reg_maxmr(shca, e_maxmr, (u64 *)KERNELBASE,
mr_access_flags, e_pd,
&e_maxmr->ib.ib_mr.lkey,
&e_maxmr->ib.ib_mr.rkey);
if (ret) {
+ ehca_mr_delete(e_maxmr);
ib_mr = ERR_PTR(ret);
goto get_dma_mr_exit0;
}
@@ -144,9 +150,6 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
struct ehca_pd *e_pd = container_of(pd, struct ehca_pd, ib_pd);
u64 size;
- struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0};
- u32 num_pages_mr;
- u32 num_pages_4k; /* 4k portion "pages" */
if ((num_phys_buf <= 0) || !phys_buf_array) {
ehca_err(pd->device, "bad input values: num_phys_buf=%x "
@@ -190,12 +193,6 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
goto reg_phys_mr_exit0;
}
- /* determine number of MR pages */
- num_pages_mr = ((((u64)iova_start % PAGE_SIZE) + size +
- PAGE_SIZE - 1) / PAGE_SIZE);
- num_pages_4k = ((((u64)iova_start % EHCA_PAGESIZE) + size +
- EHCA_PAGESIZE - 1) / EHCA_PAGESIZE);
-
/* register MR on HCA */
if (ehca_mr_is_maxmr(size, iova_start)) {
e_mr->flags |= EHCA_MR_FLAG_MAXMR;
@@ -207,13 +204,22 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
goto reg_phys_mr_exit1;
}
} else {
- pginfo.type = EHCA_MR_PGI_PHYS;
- pginfo.num_pages = num_pages_mr;
- pginfo.num_4k = num_pages_4k;
- pginfo.num_phys_buf = num_phys_buf;
- pginfo.phys_buf_array = phys_buf_array;
- pginfo.next_4k = (((u64)iova_start & ~PAGE_MASK) /
- EHCA_PAGESIZE);
+ struct ehca_mr_pginfo pginfo;
+ u32 num_kpages;
+ u32 num_hwpages;
+
+ num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size,
+ PAGE_SIZE);
+ num_hwpages = NUM_CHUNKS(((u64)iova_start % EHCA_PAGESIZE) +
+ size, EHCA_PAGESIZE);
+ memset(&pginfo, 0, sizeof(pginfo));
+ pginfo.type = EHCA_MR_PGI_PHYS;
+ pginfo.num_kpages = num_kpages;
+ pginfo.num_hwpages = num_hwpages;
+ pginfo.u.phy.num_phys_buf = num_phys_buf;
+ pginfo.u.phy.phys_buf_array = phys_buf_array;
+ pginfo.next_hwpage = (((u64)iova_start & ~PAGE_MASK) /
+ EHCA_PAGESIZE);
ret = ehca_reg_mr(shca, e_mr, iova_start, size, mr_access_flags,
e_pd, &pginfo, &e_mr->ib.ib_mr.lkey,
@@ -240,18 +246,19 @@ reg_phys_mr_exit0:
/*----------------------------------------------------------------------*/
-struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt,
- int mr_access_flags, struct ib_udata *udata)
+struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
+ u64 virt, int mr_access_flags,
+ struct ib_udata *udata)
{
struct ib_mr *ib_mr;
struct ehca_mr *e_mr;
struct ehca_shca *shca =
container_of(pd->device, struct ehca_shca, ib_device);
struct ehca_pd *e_pd = container_of(pd, struct ehca_pd, ib_pd);
- struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0};
+ struct ehca_mr_pginfo pginfo;
int ret;
- u32 num_pages_mr;
- u32 num_pages_4k; /* 4k portion "pages" */
+ u32 num_kpages;
+ u32 num_hwpages;
if (!pd) {
ehca_gen_err("bad pd=%p", pd);
@@ -289,7 +296,7 @@ struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt
e_mr->umem = ib_umem_get(pd->uobject->context, start, length,
mr_access_flags);
if (IS_ERR(e_mr->umem)) {
- ib_mr = (void *) e_mr->umem;
+ ib_mr = (void *)e_mr->umem;
goto reg_user_mr_exit1;
}
@@ -301,23 +308,24 @@ struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt
}
/* determine number of MR pages */
- num_pages_mr = (((virt % PAGE_SIZE) + length + PAGE_SIZE - 1) /
- PAGE_SIZE);
- num_pages_4k = (((virt % EHCA_PAGESIZE) + length + EHCA_PAGESIZE - 1) /
- EHCA_PAGESIZE);
+ num_kpages = NUM_CHUNKS((virt % PAGE_SIZE) + length, PAGE_SIZE);
+ num_hwpages = NUM_CHUNKS((virt % EHCA_PAGESIZE) + length,
+ EHCA_PAGESIZE);
/* register MR on HCA */
- pginfo.type = EHCA_MR_PGI_USER;
- pginfo.num_pages = num_pages_mr;
- pginfo.num_4k = num_pages_4k;
- pginfo.region = e_mr->umem;
- pginfo.next_4k = e_mr->umem->offset / EHCA_PAGESIZE;
- pginfo.next_chunk = list_prepare_entry(pginfo.next_chunk,
- (&e_mr->umem->chunk_list),
- list);
-
- ret = ehca_reg_mr(shca, e_mr, (u64*) virt, length, mr_access_flags, e_pd,
- &pginfo, &e_mr->ib.ib_mr.lkey, &e_mr->ib.ib_mr.rkey);
+ memset(&pginfo, 0, sizeof(pginfo));
+ pginfo.type = EHCA_MR_PGI_USER;
+ pginfo.num_kpages = num_kpages;
+ pginfo.num_hwpages = num_hwpages;
+ pginfo.u.usr.region = e_mr->umem;
+ pginfo.next_hwpage = e_mr->umem->offset / EHCA_PAGESIZE;
+ pginfo.u.usr.next_chunk = list_prepare_entry(pginfo.u.usr.next_chunk,
+ (&e_mr->umem->chunk_list),
+ list);
+
+ ret = ehca_reg_mr(shca, e_mr, (u64 *)virt, length, mr_access_flags,
+ e_pd, &pginfo, &e_mr->ib.ib_mr.lkey,
+ &e_mr->ib.ib_mr.rkey);
if (ret) {
ib_mr = ERR_PTR(ret);
goto reg_user_mr_exit2;
@@ -360,9 +368,9 @@ int ehca_rereg_phys_mr(struct ib_mr *mr,
struct ehca_pd *new_pd;
u32 tmp_lkey, tmp_rkey;
unsigned long sl_flags;
- u32 num_pages_mr = 0;
- u32 num_pages_4k = 0; /* 4k portion "pages" */
- struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0};
+ u32 num_kpages = 0;
+ u32 num_hwpages = 0;
+ struct ehca_mr_pginfo pginfo;
u32 cur_pid = current->tgid;
if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
@@ -414,7 +422,7 @@ int ehca_rereg_phys_mr(struct ib_mr *mr,
goto rereg_phys_mr_exit0;
}
if (!phys_buf_array || num_phys_buf <= 0) {
- ehca_err(mr->device, "bad input values: mr_rereg_mask=%x"
+ ehca_err(mr->device, "bad input values mr_rereg_mask=%x"
" phys_buf_array=%p num_phys_buf=%x",
mr_rereg_mask, phys_buf_array, num_phys_buf);
ret = -EINVAL;
@@ -438,10 +446,10 @@ int ehca_rereg_phys_mr(struct ib_mr *mr,
/* set requested values dependent on rereg request */
spin_lock_irqsave(&e_mr->mrlock, sl_flags);
- new_start = e_mr->start; /* new == old address */
- new_size = e_mr->size; /* new == old length */
- new_acl = e_mr->acl; /* new == old access control */
- new_pd = container_of(mr->pd,struct ehca_pd,ib_pd); /*new == old PD*/
+ new_start = e_mr->start;
+ new_size = e_mr->size;
+ new_acl = e_mr->acl;
+ new_pd = container_of(mr->pd, struct ehca_pd, ib_pd);
if (mr_rereg_mask & IB_MR_REREG_TRANS) {
new_start = iova_start; /* change address */
@@ -458,17 +466,18 @@ int ehca_rereg_phys_mr(struct ib_mr *mr,
ret = -EINVAL;
goto rereg_phys_mr_exit1;
}
- num_pages_mr = ((((u64)new_start % PAGE_SIZE) + new_size +
- PAGE_SIZE - 1) / PAGE_SIZE);
- num_pages_4k = ((((u64)new_start % EHCA_PAGESIZE) + new_size +
- EHCA_PAGESIZE - 1) / EHCA_PAGESIZE);
- pginfo.type = EHCA_MR_PGI_PHYS;
- pginfo.num_pages = num_pages_mr;
- pginfo.num_4k = num_pages_4k;
- pginfo.num_phys_buf = num_phys_buf;
- pginfo.phys_buf_array = phys_buf_array;
- pginfo.next_4k = (((u64)iova_start & ~PAGE_MASK) /
- EHCA_PAGESIZE);
+ num_kpages = NUM_CHUNKS(((u64)new_start % PAGE_SIZE) +
+ new_size, PAGE_SIZE);
+ num_hwpages = NUM_CHUNKS(((u64)new_start % EHCA_PAGESIZE) +
+ new_size, EHCA_PAGESIZE);
+ memset(&pginfo, 0, sizeof(pginfo));
+ pginfo.type = EHCA_MR_PGI_PHYS;
+ pginfo.num_kpages = num_kpages;
+ pginfo.num_hwpages = num_hwpages;
+ pginfo.u.phy.num_phys_buf = num_phys_buf;
+ pginfo.u.phy.phys_buf_array = phys_buf_array;
+ pginfo.next_hwpage = (((u64)iova_start & ~PAGE_MASK) /
+ EHCA_PAGESIZE);
}
if (mr_rereg_mask & IB_MR_REREG_ACCESS)
new_acl = mr_access_flags;
@@ -510,7 +519,7 @@ int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr)
struct ehca_pd *my_pd = container_of(mr->pd, struct ehca_pd, ib_pd);
u32 cur_pid = current->tgid;
unsigned long sl_flags;
- struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0};
+ struct ehca_mr_hipzout_parms hipzout;
if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
(my_pd->ownpid != cur_pid)) {
@@ -536,14 +545,14 @@ int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr)
"hca_hndl=%lx mr_hndl=%lx lkey=%x",
h_ret, mr, shca->ipz_hca_handle.handle,
e_mr->ipz_mr_handle.handle, mr->lkey);
- ret = ehca_mrmw_map_hrc_query_mr(h_ret);
+ ret = ehca2ib_return_code(h_ret);
goto query_mr_exit1;
}
- mr_attr->pd = mr->pd;
+ mr_attr->pd = mr->pd;
mr_attr->device_virt_addr = hipzout.vaddr;
- mr_attr->size = hipzout.len;
- mr_attr->lkey = hipzout.lkey;
- mr_attr->rkey = hipzout.rkey;
+ mr_attr->size = hipzout.len;
+ mr_attr->lkey = hipzout.lkey;
+ mr_attr->rkey = hipzout.rkey;
ehca_mrmw_reverse_map_acl(&hipzout.acl, &mr_attr->mr_access_flags);
query_mr_exit1:
@@ -596,7 +605,7 @@ int ehca_dereg_mr(struct ib_mr *mr)
"e_mr=%p hca_hndl=%lx mr_hndl=%lx mr->lkey=%x",
h_ret, shca, e_mr, shca->ipz_hca_handle.handle,
e_mr->ipz_mr_handle.handle, mr->lkey);
- ret = ehca_mrmw_map_hrc_free_mr(h_ret);
+ ret = ehca2ib_return_code(h_ret);
goto dereg_mr_exit0;
}
@@ -622,7 +631,7 @@ struct ib_mw *ehca_alloc_mw(struct ib_pd *pd)
struct ehca_pd *e_pd = container_of(pd, struct ehca_pd, ib_pd);
struct ehca_shca *shca =
container_of(pd->device, struct ehca_shca, ib_device);
- struct ehca_mw_hipzout_parms hipzout = {{0},0};
+ struct ehca_mw_hipzout_parms hipzout;
e_mw = ehca_mw_new();
if (!e_mw) {
@@ -636,7 +645,7 @@ struct ib_mw *ehca_alloc_mw(struct ib_pd *pd)
ehca_err(pd->device, "hipz_mw_allocate failed, h_ret=%lx "
"shca=%p hca_hndl=%lx mw=%p",
h_ret, shca, shca->ipz_hca_handle.handle, e_mw);
- ib_mw = ERR_PTR(ehca_mrmw_map_hrc_alloc(h_ret));
+ ib_mw = ERR_PTR(ehca2ib_return_code(h_ret));
goto alloc_mw_exit1;
}
/* successful MW allocation */
@@ -679,7 +688,7 @@ int ehca_dealloc_mw(struct ib_mw *mw)
"mw=%p rkey=%x hca_hndl=%lx mw_hndl=%lx",
h_ret, shca, mw, mw->rkey, shca->ipz_hca_handle.handle,
e_mw->ipz_mw_handle.handle);
- return ehca_mrmw_map_hrc_free_mw(h_ret);
+ return ehca2ib_return_code(h_ret);
}
/* successful deallocation */
ehca_mw_delete(e_mw);
@@ -699,7 +708,7 @@ struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
struct ehca_mr *e_fmr;
int ret;
u32 tmp_lkey, tmp_rkey;
- struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0};
+ struct ehca_mr_pginfo pginfo;
/* check other parameters */
if (((mr_access_flags & IB_ACCESS_REMOTE_WRITE) &&
@@ -745,6 +754,7 @@ struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
e_fmr->flags |= EHCA_MR_FLAG_FMR;
/* register MR on HCA */
+ memset(&pginfo, 0, sizeof(pginfo));
ret = ehca_reg_mr(shca, e_fmr, NULL,
fmr_attr->max_pages * (1 << fmr_attr->page_shift),
mr_access_flags, e_pd, &pginfo,
@@ -783,7 +793,7 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr,
container_of(fmr->device, struct ehca_shca, ib_device);
struct ehca_mr *e_fmr = container_of(fmr, struct ehca_mr, ib.ib_fmr);
struct ehca_pd *e_pd = container_of(fmr->pd, struct ehca_pd, ib_pd);
- struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0};
+ struct ehca_mr_pginfo pginfo;
u32 tmp_lkey, tmp_rkey;
if (!(e_fmr->flags & EHCA_MR_FLAG_FMR)) {
@@ -809,14 +819,16 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr,
fmr, e_fmr->fmr_map_cnt, e_fmr->fmr_max_maps);
}
- pginfo.type = EHCA_MR_PGI_FMR;
- pginfo.num_pages = list_len;
- pginfo.num_4k = list_len * (e_fmr->fmr_page_size / EHCA_PAGESIZE);
- pginfo.page_list = page_list;
- pginfo.next_4k = ((iova & (e_fmr->fmr_page_size-1)) /
- EHCA_PAGESIZE);
+ memset(&pginfo, 0, sizeof(pginfo));
+ pginfo.type = EHCA_MR_PGI_FMR;
+ pginfo.num_kpages = list_len;
+ pginfo.num_hwpages = list_len * (e_fmr->fmr_page_size / EHCA_PAGESIZE);
+ pginfo.u.fmr.page_list = page_list;
+ pginfo.next_hwpage = ((iova & (e_fmr->fmr_page_size-1)) /
+ EHCA_PAGESIZE);
+ pginfo.u.fmr.fmr_pgsize = e_fmr->fmr_page_size;
- ret = ehca_rereg_mr(shca, e_fmr, (u64*)iova,
+ ret = ehca_rereg_mr(shca, e_fmr, (u64 *)iova,
list_len * e_fmr->fmr_page_size,
e_fmr->acl, e_pd, &pginfo, &tmp_lkey, &tmp_rkey);
if (ret)
@@ -831,8 +843,7 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr,
map_phys_fmr_exit0:
if (ret)
ehca_err(fmr->device, "ret=%x fmr=%p page_list=%p list_len=%x "
- "iova=%lx",
- ret, fmr, page_list, list_len, iova);
+ "iova=%lx", ret, fmr, page_list, list_len, iova);
return ret;
} /* end ehca_map_phys_fmr() */
@@ -922,7 +933,7 @@ int ehca_dealloc_fmr(struct ib_fmr *fmr)
"hca_hndl=%lx fmr_hndl=%lx fmr->lkey=%x",
h_ret, e_fmr, shca->ipz_hca_handle.handle,
e_fmr->ipz_mr_handle.handle, fmr->lkey);
- ret = ehca_mrmw_map_hrc_free_mr(h_ret);
+ ret = ehca2ib_return_code(h_ret);
goto free_fmr_exit0;
}
/* successful deregistration */
@@ -950,12 +961,12 @@ int ehca_reg_mr(struct ehca_shca *shca,
int ret;
u64 h_ret;
u32 hipz_acl;
- struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0};
+ struct ehca_mr_hipzout_parms hipzout;
ehca_mrmw_map_acl(acl, &hipz_acl);
ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl);
if (ehca_use_hp_mr == 1)
- hipz_acl |= 0x00000001;
+ hipz_acl |= 0x00000001;
h_ret = hipz_h_alloc_resource_mr(shca->ipz_hca_handle, e_mr,
(u64)iova_start, size, hipz_acl,
@@ -963,7 +974,7 @@ int ehca_reg_mr(struct ehca_shca *shca,
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "hipz_alloc_mr failed, h_ret=%lx "
"hca_hndl=%lx", h_ret, shca->ipz_hca_handle.handle);
- ret = ehca_mrmw_map_hrc_alloc(h_ret);
+ ret = ehca2ib_return_code(h_ret);
goto ehca_reg_mr_exit0;
}
@@ -974,11 +985,11 @@ int ehca_reg_mr(struct ehca_shca *shca,
goto ehca_reg_mr_exit1;
/* successful registration */
- e_mr->num_pages = pginfo->num_pages;
- e_mr->num_4k = pginfo->num_4k;
- e_mr->start = iova_start;
- e_mr->size = size;
- e_mr->acl = acl;
+ e_mr->num_kpages = pginfo->num_kpages;
+ e_mr->num_hwpages = pginfo->num_hwpages;
+ e_mr->start = iova_start;
+ e_mr->size = size;
+ e_mr->acl = acl;
*lkey = hipzout.lkey;
*rkey = hipzout.rkey;
return 0;
@@ -988,10 +999,10 @@ ehca_reg_mr_exit1:
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "h_ret=%lx shca=%p e_mr=%p "
"iova_start=%p size=%lx acl=%x e_pd=%p lkey=%x "
- "pginfo=%p num_pages=%lx num_4k=%lx ret=%x",
+ "pginfo=%p num_kpages=%lx num_hwpages=%lx ret=%x",
h_ret, shca, e_mr, iova_start, size, acl, e_pd,
- hipzout.lkey, pginfo, pginfo->num_pages,
- pginfo->num_4k, ret);
+ hipzout.lkey, pginfo, pginfo->num_kpages,
+ pginfo->num_hwpages, ret);
ehca_err(&shca->ib_device, "internal error in ehca_reg_mr, "
"not recoverable");
}
@@ -999,9 +1010,9 @@ ehca_reg_mr_exit0:
if (ret)
ehca_err(&shca->ib_device, "ret=%x shca=%p e_mr=%p "
"iova_start=%p size=%lx acl=%x e_pd=%p pginfo=%p "
- "num_pages=%lx num_4k=%lx",
+ "num_kpages=%lx num_hwpages=%lx",
ret, shca, e_mr, iova_start, size, acl, e_pd, pginfo,
- pginfo->num_pages, pginfo->num_4k);
+ pginfo->num_kpages, pginfo->num_hwpages);
return ret;
} /* end ehca_reg_mr() */
@@ -1026,24 +1037,24 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca,
}
/* max 512 pages per shot */
- for (i = 0; i < ((pginfo->num_4k + 512 - 1) / 512); i++) {
+ for (i = 0; i < NUM_CHUNKS(pginfo->num_hwpages, MAX_RPAGES); i++) {
- if (i == ((pginfo->num_4k + 512 - 1) / 512) - 1) {
- rnum = pginfo->num_4k % 512; /* last shot */
+ if (i == NUM_CHUNKS(pginfo->num_hwpages, MAX_RPAGES) - 1) {
+ rnum = pginfo->num_hwpages % MAX_RPAGES; /* last shot */
if (rnum == 0)
- rnum = 512; /* last shot is full */
+ rnum = MAX_RPAGES; /* last shot is full */
} else
- rnum = 512;
+ rnum = MAX_RPAGES;
- if (rnum > 1) {
- ret = ehca_set_pagebuf(e_mr, pginfo, rnum, kpage);
- if (ret) {
- ehca_err(&shca->ib_device, "ehca_set_pagebuf "
+ ret = ehca_set_pagebuf(pginfo, rnum, kpage);
+ if (ret) {
+ ehca_err(&shca->ib_device, "ehca_set_pagebuf "
"bad rc, ret=%x rnum=%x kpage=%p",
ret, rnum, kpage);
- ret = -EFAULT;
- goto ehca_reg_mr_rpages_exit1;
- }
+ goto ehca_reg_mr_rpages_exit1;
+ }
+
+ if (rnum > 1) {
rpage = virt_to_abs(kpage);
if (!rpage) {
ehca_err(&shca->ib_device, "kpage=%p i=%x",
@@ -1051,21 +1062,14 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca,
ret = -EFAULT;
goto ehca_reg_mr_rpages_exit1;
}
- } else { /* rnum==1 */
- ret = ehca_set_pagebuf_1(e_mr, pginfo, &rpage);
- if (ret) {
- ehca_err(&shca->ib_device, "ehca_set_pagebuf_1 "
- "bad rc, ret=%x i=%x", ret, i);
- ret = -EFAULT;
- goto ehca_reg_mr_rpages_exit1;
- }
- }
+ } else
+ rpage = *kpage;
h_ret = hipz_h_register_rpage_mr(shca->ipz_hca_handle, e_mr,
0, /* pagesize 4k */
0, rpage, rnum);
- if (i == ((pginfo->num_4k + 512 - 1) / 512) - 1) {
+ if (i == NUM_CHUNKS(pginfo->num_hwpages, MAX_RPAGES) - 1) {
/*
* check for 'registration complete'==H_SUCCESS
* and for 'page registered'==H_PAGE_REGISTERED
@@ -1078,7 +1082,7 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca,
shca->ipz_hca_handle.handle,
e_mr->ipz_mr_handle.handle,
e_mr->ib.ib_mr.lkey);
- ret = ehca_mrmw_map_hrc_rrpg_last(h_ret);
+ ret = ehca2ib_return_code(h_ret);
break;
} else
ret = 0;
@@ -1089,7 +1093,7 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca,
e_mr->ib.ib_mr.lkey,
shca->ipz_hca_handle.handle,
e_mr->ipz_mr_handle.handle);
- ret = ehca_mrmw_map_hrc_rrpg_notlast(h_ret);
+ ret = ehca2ib_return_code(h_ret);
break;
} else
ret = 0;
@@ -1101,8 +1105,8 @@ ehca_reg_mr_rpages_exit1:
ehca_reg_mr_rpages_exit0:
if (ret)
ehca_err(&shca->ib_device, "ret=%x shca=%p e_mr=%p pginfo=%p "
- "num_pages=%lx num_4k=%lx", ret, shca, e_mr, pginfo,
- pginfo->num_pages, pginfo->num_4k);
+ "num_kpages=%lx num_hwpages=%lx", ret, shca, e_mr,
+ pginfo, pginfo->num_kpages, pginfo->num_hwpages);
return ret;
} /* end ehca_reg_mr_rpages() */
@@ -1124,7 +1128,7 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca,
u64 *kpage;
u64 rpage;
struct ehca_mr_pginfo pginfo_save;
- struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0};
+ struct ehca_mr_hipzout_parms hipzout;
ehca_mrmw_map_acl(acl, &hipz_acl);
ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl);
@@ -1137,12 +1141,12 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca,
}
pginfo_save = *pginfo;
- ret = ehca_set_pagebuf(e_mr, pginfo, pginfo->num_4k, kpage);
+ ret = ehca_set_pagebuf(pginfo, pginfo->num_hwpages, kpage);
if (ret) {
ehca_err(&shca->ib_device, "set pagebuf failed, e_mr=%p "
- "pginfo=%p type=%x num_pages=%lx num_4k=%lx kpage=%p",
- e_mr, pginfo, pginfo->type, pginfo->num_pages,
- pginfo->num_4k,kpage);
+ "pginfo=%p type=%x num_kpages=%lx num_hwpages=%lx "
+ "kpage=%p", e_mr, pginfo, pginfo->type,
+ pginfo->num_kpages, pginfo->num_hwpages, kpage);
goto ehca_rereg_mr_rereg1_exit1;
}
rpage = virt_to_abs(kpage);
@@ -1164,7 +1168,7 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca,
"(Rereg1), h_ret=%lx e_mr=%p", h_ret, e_mr);
*pginfo = pginfo_save;
ret = -EAGAIN;
- } else if ((u64*)hipzout.vaddr != iova_start) {
+ } else if ((u64 *)hipzout.vaddr != iova_start) {
ehca_err(&shca->ib_device, "PHYP changed iova_start in "
"rereg_pmr, iova_start=%p iova_start_out=%lx e_mr=%p "
"mr_handle=%lx lkey=%x lkey_out=%x", iova_start,
@@ -1176,11 +1180,11 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca,
* successful reregistration
* note: start and start_out are identical for eServer HCAs
*/
- e_mr->num_pages = pginfo->num_pages;
- e_mr->num_4k = pginfo->num_4k;
- e_mr->start = iova_start;
- e_mr->size = size;
- e_mr->acl = acl;
+ e_mr->num_kpages = pginfo->num_kpages;
+ e_mr->num_hwpages = pginfo->num_hwpages;
+ e_mr->start = iova_start;
+ e_mr->size = size;
+ e_mr->acl = acl;
*lkey = hipzout.lkey;
*rkey = hipzout.rkey;
}
@@ -1190,9 +1194,9 @@ ehca_rereg_mr_rereg1_exit1:
ehca_rereg_mr_rereg1_exit0:
if ( ret && (ret != -EAGAIN) )
ehca_err(&shca->ib_device, "ret=%x lkey=%x rkey=%x "
- "pginfo=%p num_pages=%lx num_4k=%lx",
- ret, *lkey, *rkey, pginfo, pginfo->num_pages,
- pginfo->num_4k);
+ "pginfo=%p num_kpages=%lx num_hwpages=%lx",
+ ret, *lkey, *rkey, pginfo, pginfo->num_kpages,
+ pginfo->num_hwpages);
return ret;
} /* end ehca_rereg_mr_rereg1() */
@@ -1214,10 +1218,12 @@ int ehca_rereg_mr(struct ehca_shca *shca,
int rereg_3_hcall = 0; /* 1: use 3 hipz calls for reregistration */
/* first determine reregistration hCall(s) */
- if ((pginfo->num_4k > 512) || (e_mr->num_4k > 512) ||
- (pginfo->num_4k > e_mr->num_4k)) {
- ehca_dbg(&shca->ib_device, "Rereg3 case, pginfo->num_4k=%lx "
- "e_mr->num_4k=%x", pginfo->num_4k, e_mr->num_4k);
+ if ((pginfo->num_hwpages > MAX_RPAGES) ||
+ (e_mr->num_hwpages > MAX_RPAGES) ||
+ (pginfo->num_hwpages > e_mr->num_hwpages)) {
+ ehca_dbg(&shca->ib_device, "Rereg3 case, "
+ "pginfo->num_hwpages=%lx e_mr->num_hwpages=%x",
+ pginfo->num_hwpages, e_mr->num_hwpages);
rereg_1_hcall = 0;
rereg_3_hcall = 1;
}
@@ -1253,7 +1259,7 @@ int ehca_rereg_mr(struct ehca_shca *shca,
h_ret, e_mr, shca->ipz_hca_handle.handle,
e_mr->ipz_mr_handle.handle,
e_mr->ib.ib_mr.lkey);
- ret = ehca_mrmw_map_hrc_free_mr(h_ret);
+ ret = ehca2ib_return_code(h_ret);
goto ehca_rereg_mr_exit0;
}
/* clean ehca_mr_t, without changing struct ib_mr and lock */
@@ -1281,9 +1287,9 @@ ehca_rereg_mr_exit0:
if (ret)
ehca_err(&shca->ib_device, "ret=%x shca=%p e_mr=%p "
"iova_start=%p size=%lx acl=%x e_pd=%p pginfo=%p "
- "num_pages=%lx lkey=%x rkey=%x rereg_1_hcall=%x "
+ "num_kpages=%lx lkey=%x rkey=%x rereg_1_hcall=%x "
"rereg_3_hcall=%x", ret, shca, e_mr, iova_start, size,
- acl, e_pd, pginfo, pginfo->num_pages, *lkey, *rkey,
+ acl, e_pd, pginfo, pginfo->num_kpages, *lkey, *rkey,
rereg_1_hcall, rereg_3_hcall);
return ret;
} /* end ehca_rereg_mr() */
@@ -1295,97 +1301,86 @@ int ehca_unmap_one_fmr(struct ehca_shca *shca,
{
int ret = 0;
u64 h_ret;
- int rereg_1_hcall = 1; /* 1: use hipz_mr_reregister directly */
- int rereg_3_hcall = 0; /* 1: use 3 hipz calls for unmapping */
struct ehca_pd *e_pd =
container_of(e_fmr->ib.ib_fmr.pd, struct ehca_pd, ib_pd);
struct ehca_mr save_fmr;
u32 tmp_lkey, tmp_rkey;
- struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0};
- struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0};
+ struct ehca_mr_pginfo pginfo;
+ struct ehca_mr_hipzout_parms hipzout;
+ struct ehca_mr save_mr;
- /* first check if reregistration hCall can be used for unmap */
- if (e_fmr->fmr_max_pages > 512) {
- rereg_1_hcall = 0;
- rereg_3_hcall = 1;
- }
-
- if (rereg_1_hcall) {
+ if (e_fmr->fmr_max_pages <= MAX_RPAGES) {
/*
* note: after using rereg hcall with len=0,
* rereg hcall must be used again for registering pages
*/
h_ret = hipz_h_reregister_pmr(shca->ipz_hca_handle, e_fmr, 0,
0, 0, e_pd->fw_pd, 0, &hipzout);
- if (h_ret != H_SUCCESS) {
- /*
- * should not happen, because length checked above,
- * FMRs are not shared and no MW bound to FMRs
- */
- ehca_err(&shca->ib_device, "hipz_reregister_pmr failed "
- "(Rereg1), h_ret=%lx e_fmr=%p hca_hndl=%lx "
- "mr_hndl=%lx lkey=%x lkey_out=%x",
- h_ret, e_fmr, shca->ipz_hca_handle.handle,
- e_fmr->ipz_mr_handle.handle,
- e_fmr->ib.ib_fmr.lkey, hipzout.lkey);
- rereg_3_hcall = 1;
- } else {
+ if (h_ret == H_SUCCESS) {
/* successful reregistration */
e_fmr->start = NULL;
e_fmr->size = 0;
tmp_lkey = hipzout.lkey;
tmp_rkey = hipzout.rkey;
+ return 0;
}
+ /*
+ * should not happen, because length checked above,
+ * FMRs are not shared and no MW bound to FMRs
+ */
+ ehca_err(&shca->ib_device, "hipz_reregister_pmr failed "
+ "(Rereg1), h_ret=%lx e_fmr=%p hca_hndl=%lx "
+ "mr_hndl=%lx lkey=%x lkey_out=%x",
+ h_ret, e_fmr, shca->ipz_hca_handle.handle,
+ e_fmr->ipz_mr_handle.handle,
+ e_fmr->ib.ib_fmr.lkey, hipzout.lkey);
+ /* try free and rereg */
}
- if (rereg_3_hcall) {
- struct ehca_mr save_mr;
-
- /* first free old FMR */
- h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_fmr);
- if (h_ret != H_SUCCESS) {
- ehca_err(&shca->ib_device, "hipz_free_mr failed, "
- "h_ret=%lx e_fmr=%p hca_hndl=%lx mr_hndl=%lx "
- "lkey=%x",
- h_ret, e_fmr, shca->ipz_hca_handle.handle,
- e_fmr->ipz_mr_handle.handle,
- e_fmr->ib.ib_fmr.lkey);
- ret = ehca_mrmw_map_hrc_free_mr(h_ret);
- goto ehca_unmap_one_fmr_exit0;
- }
- /* clean ehca_mr_t, without changing lock */
- save_fmr = *e_fmr;
- ehca_mr_deletenew(e_fmr);
-
- /* set some MR values */
- e_fmr->flags = save_fmr.flags;
- e_fmr->fmr_page_size = save_fmr.fmr_page_size;
- e_fmr->fmr_max_pages = save_fmr.fmr_max_pages;
- e_fmr->fmr_max_maps = save_fmr.fmr_max_maps;
- e_fmr->fmr_map_cnt = save_fmr.fmr_map_cnt;
- e_fmr->acl = save_fmr.acl;
-
- pginfo.type = EHCA_MR_PGI_FMR;
- pginfo.num_pages = 0;
- pginfo.num_4k = 0;
- ret = ehca_reg_mr(shca, e_fmr, NULL,
- (e_fmr->fmr_max_pages * e_fmr->fmr_page_size),
- e_fmr->acl, e_pd, &pginfo, &tmp_lkey,
- &tmp_rkey);
- if (ret) {
- u32 offset = (u64)(&e_fmr->flags) - (u64)e_fmr;
- memcpy(&e_fmr->flags, &(save_mr.flags),
- sizeof(struct ehca_mr) - offset);
- goto ehca_unmap_one_fmr_exit0;
- }
+ /* first free old FMR */
+ h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_fmr);
+ if (h_ret != H_SUCCESS) {
+ ehca_err(&shca->ib_device, "hipz_free_mr failed, "
+ "h_ret=%lx e_fmr=%p hca_hndl=%lx mr_hndl=%lx "
+ "lkey=%x",
+ h_ret, e_fmr, shca->ipz_hca_handle.handle,
+ e_fmr->ipz_mr_handle.handle,
+ e_fmr->ib.ib_fmr.lkey);
+ ret = ehca2ib_return_code(h_ret);
+ goto ehca_unmap_one_fmr_exit0;
+ }
+ /* clean ehca_mr_t, without changing lock */
+ save_fmr = *e_fmr;
+ ehca_mr_deletenew(e_fmr);
+
+ /* set some MR values */
+ e_fmr->flags = save_fmr.flags;
+ e_fmr->fmr_page_size = save_fmr.fmr_page_size;
+ e_fmr->fmr_max_pages = save_fmr.fmr_max_pages;
+ e_fmr->fmr_max_maps = save_fmr.fmr_max_maps;
+ e_fmr->fmr_map_cnt = save_fmr.fmr_map_cnt;
+ e_fmr->acl = save_fmr.acl;
+
+ memset(&pginfo, 0, sizeof(pginfo));
+ pginfo.type = EHCA_MR_PGI_FMR;
+ pginfo.num_kpages = 0;
+ pginfo.num_hwpages = 0;
+ ret = ehca_reg_mr(shca, e_fmr, NULL,
+ (e_fmr->fmr_max_pages * e_fmr->fmr_page_size),
+ e_fmr->acl, e_pd, &pginfo, &tmp_lkey,
+ &tmp_rkey);
+ if (ret) {
+ u32 offset = (u64)(&e_fmr->flags) - (u64)e_fmr;
+ memcpy(&e_fmr->flags, &(save_mr.flags),
+ sizeof(struct ehca_mr) - offset);
+ goto ehca_unmap_one_fmr_exit0;
}
ehca_unmap_one_fmr_exit0:
if (ret)
ehca_err(&shca->ib_device, "ret=%x tmp_lkey=%x tmp_rkey=%x "
- "fmr_max_pages=%x rereg_1_hcall=%x rereg_3_hcall=%x",
- ret, tmp_lkey, tmp_rkey, e_fmr->fmr_max_pages,
- rereg_1_hcall, rereg_3_hcall);
+ "fmr_max_pages=%x",
+ ret, tmp_lkey, tmp_rkey, e_fmr->fmr_max_pages);
return ret;
} /* end ehca_unmap_one_fmr() */
@@ -1403,7 +1398,7 @@ int ehca_reg_smr(struct ehca_shca *shca,
int ret = 0;
u64 h_ret;
u32 hipz_acl;
- struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0};
+ struct ehca_mr_hipzout_parms hipzout;
ehca_mrmw_map_acl(acl, &hipz_acl);
ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl);
@@ -1419,15 +1414,15 @@ int ehca_reg_smr(struct ehca_shca *shca,
shca->ipz_hca_handle.handle,
e_origmr->ipz_mr_handle.handle,
e_origmr->ib.ib_mr.lkey);
- ret = ehca_mrmw_map_hrc_reg_smr(h_ret);
+ ret = ehca2ib_return_code(h_ret);
goto ehca_reg_smr_exit0;
}
/* successful registration */
- e_newmr->num_pages = e_origmr->num_pages;
- e_newmr->num_4k = e_origmr->num_4k;
- e_newmr->start = iova_start;
- e_newmr->size = e_origmr->size;
- e_newmr->acl = acl;
+ e_newmr->num_kpages = e_origmr->num_kpages;
+ e_newmr->num_hwpages = e_origmr->num_hwpages;
+ e_newmr->start = iova_start;
+ e_newmr->size = e_origmr->size;
+ e_newmr->acl = acl;
e_newmr->ipz_mr_handle = hipzout.handle;
*lkey = hipzout.lkey;
*rkey = hipzout.rkey;
@@ -1453,10 +1448,10 @@ int ehca_reg_internal_maxmr(
struct ehca_mr *e_mr;
u64 *iova_start;
u64 size_maxmr;
- struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0};
+ struct ehca_mr_pginfo pginfo;
struct ib_phys_buf ib_pbuf;
- u32 num_pages_mr;
- u32 num_pages_4k; /* 4k portion "pages" */
+ u32 num_kpages;
+ u32 num_hwpages;
e_mr = ehca_mr_new();
if (!e_mr) {
@@ -1468,28 +1463,29 @@ int ehca_reg_internal_maxmr(
/* register internal max-MR on HCA */
size_maxmr = (u64)high_memory - PAGE_OFFSET;
- iova_start = (u64*)KERNELBASE;
+ iova_start = (u64 *)KERNELBASE;
ib_pbuf.addr = 0;
ib_pbuf.size = size_maxmr;
- num_pages_mr = ((((u64)iova_start % PAGE_SIZE) + size_maxmr +
- PAGE_SIZE - 1) / PAGE_SIZE);
- num_pages_4k = ((((u64)iova_start % EHCA_PAGESIZE) + size_maxmr +
- EHCA_PAGESIZE - 1) / EHCA_PAGESIZE);
-
- pginfo.type = EHCA_MR_PGI_PHYS;
- pginfo.num_pages = num_pages_mr;
- pginfo.num_4k = num_pages_4k;
- pginfo.num_phys_buf = 1;
- pginfo.phys_buf_array = &ib_pbuf;
+ num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size_maxmr,
+ PAGE_SIZE);
+ num_hwpages = NUM_CHUNKS(((u64)iova_start % EHCA_PAGESIZE) + size_maxmr,
+ EHCA_PAGESIZE);
+
+ memset(&pginfo, 0, sizeof(pginfo));
+ pginfo.type = EHCA_MR_PGI_PHYS;
+ pginfo.num_kpages = num_kpages;
+ pginfo.num_hwpages = num_hwpages;
+ pginfo.u.phy.num_phys_buf = 1;
+ pginfo.u.phy.phys_buf_array = &ib_pbuf;
ret = ehca_reg_mr(shca, e_mr, iova_start, size_maxmr, 0, e_pd,
&pginfo, &e_mr->ib.ib_mr.lkey,
&e_mr->ib.ib_mr.rkey);
if (ret) {
ehca_err(&shca->ib_device, "reg of internal max MR failed, "
- "e_mr=%p iova_start=%p size_maxmr=%lx num_pages_mr=%x "
- "num_pages_4k=%x", e_mr, iova_start, size_maxmr,
- num_pages_mr, num_pages_4k);
+ "e_mr=%p iova_start=%p size_maxmr=%lx num_kpages=%x "
+ "num_hwpages=%x", e_mr, iova_start, size_maxmr,
+ num_kpages, num_hwpages);
goto ehca_reg_internal_maxmr_exit1;
}
@@ -1524,7 +1520,7 @@ int ehca_reg_maxmr(struct ehca_shca *shca,
u64 h_ret;
struct ehca_mr *e_origmr = shca->maxmr;
u32 hipz_acl;
- struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0};
+ struct ehca_mr_hipzout_parms hipzout;
ehca_mrmw_map_acl(acl, &hipz_acl);
ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl);
@@ -1538,14 +1534,14 @@ int ehca_reg_maxmr(struct ehca_shca *shca,
h_ret, e_origmr, shca->ipz_hca_handle.handle,
e_origmr->ipz_mr_handle.handle,
e_origmr->ib.ib_mr.lkey);
- return ehca_mrmw_map_hrc_reg_smr(h_ret);
+ return ehca2ib_return_code(h_ret);
}
/* successful registration */
- e_newmr->num_pages = e_origmr->num_pages;
- e_newmr->num_4k = e_origmr->num_4k;
- e_newmr->start = iova_start;
- e_newmr->size = e_origmr->size;
- e_newmr->acl = acl;
+ e_newmr->num_kpages = e_origmr->num_kpages;
+ e_newmr->num_hwpages = e_origmr->num_hwpages;
+ e_newmr->start = iova_start;
+ e_newmr->size = e_origmr->size;
+ e_newmr->acl = acl;
e_newmr->ipz_mr_handle = hipzout.handle;
*lkey = hipzout.lkey;
*rkey = hipzout.rkey;
@@ -1677,299 +1673,187 @@ int ehca_fmr_check_page_list(struct ehca_mr *e_fmr,
/*----------------------------------------------------------------------*/
-/* setup page buffer from page info */
-int ehca_set_pagebuf(struct ehca_mr *e_mr,
- struct ehca_mr_pginfo *pginfo,
- u32 number,
- u64 *kpage)
+/* PAGE_SIZE >= pginfo->hwpage_size */
+static int ehca_set_pagebuf_user1(struct ehca_mr_pginfo *pginfo,
+ u32 number,
+ u64 *kpage)
{
int ret = 0;
struct ib_umem_chunk *prev_chunk;
struct ib_umem_chunk *chunk;
- struct ib_phys_buf *pbuf;
- u64 *fmrlist;
- u64 num4k, pgaddr, offs4k;
+ u64 pgaddr;
u32 i = 0;
u32 j = 0;
- if (pginfo->type == EHCA_MR_PGI_PHYS) {
- /* loop over desired phys_buf_array entries */
- while (i < number) {
- pbuf = pginfo->phys_buf_array + pginfo->next_buf;
- num4k = ((pbuf->addr % EHCA_PAGESIZE) + pbuf->size +
- EHCA_PAGESIZE - 1) / EHCA_PAGESIZE;
- offs4k = (pbuf->addr & ~PAGE_MASK) / EHCA_PAGESIZE;
- while (pginfo->next_4k < offs4k + num4k) {
- /* sanity check */
- if ((pginfo->page_cnt >= pginfo->num_pages) ||
- (pginfo->page_4k_cnt >= pginfo->num_4k)) {
- ehca_gen_err("page_cnt >= num_pages, "
- "page_cnt=%lx "
- "num_pages=%lx "
- "page_4k_cnt=%lx "
- "num_4k=%lx i=%x",
- pginfo->page_cnt,
- pginfo->num_pages,
- pginfo->page_4k_cnt,
- pginfo->num_4k, i);
- ret = -EFAULT;
- goto ehca_set_pagebuf_exit0;
- }
- *kpage = phys_to_abs(
- (pbuf->addr & EHCA_PAGEMASK)
- + (pginfo->next_4k * EHCA_PAGESIZE));
- if ( !(*kpage) && pbuf->addr ) {
- ehca_gen_err("pbuf->addr=%lx "
- "pbuf->size=%lx "
- "next_4k=%lx", pbuf->addr,
- pbuf->size,
- pginfo->next_4k);
- ret = -EFAULT;
- goto ehca_set_pagebuf_exit0;
- }
- (pginfo->page_4k_cnt)++;
- (pginfo->next_4k)++;
- if (pginfo->next_4k %
- (PAGE_SIZE / EHCA_PAGESIZE) == 0)
- (pginfo->page_cnt)++;
- kpage++;
- i++;
- if (i >= number) break;
- }
- if (pginfo->next_4k >= offs4k + num4k) {
- (pginfo->next_buf)++;
- pginfo->next_4k = 0;
- }
- }
- } else if (pginfo->type == EHCA_MR_PGI_USER) {
- /* loop over desired chunk entries */
- chunk = pginfo->next_chunk;
- prev_chunk = pginfo->next_chunk;
- list_for_each_entry_continue(chunk,
- (&(pginfo->region->chunk_list)),
- list) {
- for (i = pginfo->next_nmap; i < chunk->nmap; ) {
- pgaddr = ( page_to_pfn(chunk->page_list[i].page)
- << PAGE_SHIFT );
- *kpage = phys_to_abs(pgaddr +
- (pginfo->next_4k *
- EHCA_PAGESIZE));
- if ( !(*kpage) ) {
- ehca_gen_err("pgaddr=%lx "
- "chunk->page_list[i]=%lx "
- "i=%x next_4k=%lx mr=%p",
- pgaddr,
- (u64)sg_dma_address(
- &chunk->
- page_list[i]),
- i, pginfo->next_4k, e_mr);
- ret = -EFAULT;
- goto ehca_set_pagebuf_exit0;
- }
- (pginfo->page_4k_cnt)++;
- (pginfo->next_4k)++;
- kpage++;
- if (pginfo->next_4k %
- (PAGE_SIZE / EHCA_PAGESIZE) == 0) {
- (pginfo->page_cnt)++;
- (pginfo->next_nmap)++;
- pginfo->next_4k = 0;
- i++;
- }
- j++;
- if (j >= number) break;
- }
- if ((pginfo->next_nmap >= chunk->nmap) &&
- (j >= number)) {
- pginfo->next_nmap = 0;
- prev_chunk = chunk;
- break;
- } else if (pginfo->next_nmap >= chunk->nmap) {
- pginfo->next_nmap = 0;
- prev_chunk = chunk;
- } else if (j >= number)
- break;
- else
- prev_chunk = chunk;
- }
- pginfo->next_chunk =
- list_prepare_entry(prev_chunk,
- (&(pginfo->region->chunk_list)),
- list);
- } else if (pginfo->type == EHCA_MR_PGI_FMR) {
- /* loop over desired page_list entries */
- fmrlist = pginfo->page_list + pginfo->next_listelem;
- for (i = 0; i < number; i++) {
- *kpage = phys_to_abs((*fmrlist & EHCA_PAGEMASK) +
- pginfo->next_4k * EHCA_PAGESIZE);
+ /* loop over desired chunk entries */
+ chunk = pginfo->u.usr.next_chunk;
+ prev_chunk = pginfo->u.usr.next_chunk;
+ list_for_each_entry_continue(
+ chunk, (&(pginfo->u.usr.region->chunk_list)), list) {
+ for (i = pginfo->u.usr.next_nmap; i < chunk->nmap; ) {
+ pgaddr = page_to_pfn(chunk->page_list[i].page)
+ << PAGE_SHIFT ;
+ *kpage = phys_to_abs(pgaddr +
+ (pginfo->next_hwpage *
+ EHCA_PAGESIZE));
if ( !(*kpage) ) {
- ehca_gen_err("*fmrlist=%lx fmrlist=%p "
- "next_listelem=%lx next_4k=%lx",
- *fmrlist, fmrlist,
- pginfo->next_listelem,
- pginfo->next_4k);
- ret = -EFAULT;
- goto ehca_set_pagebuf_exit0;
+ ehca_gen_err("pgaddr=%lx "
+ "chunk->page_list[i]=%lx "
+ "i=%x next_hwpage=%lx",
+ pgaddr, (u64)sg_dma_address(
+ &chunk->page_list[i]),
+ i, pginfo->next_hwpage);
+ return -EFAULT;
}
- (pginfo->page_4k_cnt)++;
- (pginfo->next_4k)++;
+ (pginfo->hwpage_cnt)++;
+ (pginfo->next_hwpage)++;
kpage++;
- if (pginfo->next_4k %
- (e_mr->fmr_page_size / EHCA_PAGESIZE) == 0) {
- (pginfo->page_cnt)++;
- (pginfo->next_listelem)++;
- fmrlist++;
- pginfo->next_4k = 0;
+ if (pginfo->next_hwpage %
+ (PAGE_SIZE / EHCA_PAGESIZE) == 0) {
+ (pginfo->kpage_cnt)++;
+ (pginfo->u.usr.next_nmap)++;
+ pginfo->next_hwpage = 0;
+ i++;
}
+ j++;
+ if (j >= number) break;
}
- } else {
- ehca_gen_err("bad pginfo->type=%x", pginfo->type);
- ret = -EFAULT;
- goto ehca_set_pagebuf_exit0;
+ if ((pginfo->u.usr.next_nmap >= chunk->nmap) &&
+ (j >= number)) {
+ pginfo->u.usr.next_nmap = 0;
+ prev_chunk = chunk;
+ break;
+ } else if (pginfo->u.usr.next_nmap >= chunk->nmap) {
+ pginfo->u.usr.next_nmap = 0;
+ prev_chunk = chunk;
+ } else if (j >= number)
+ break;
+ else
+ prev_chunk = chunk;
}
-
-ehca_set_pagebuf_exit0:
- if (ret)
- ehca_gen_err("ret=%x e_mr=%p pginfo=%p type=%x num_pages=%lx "
- "num_4k=%lx next_buf=%lx next_4k=%lx number=%x "
- "kpage=%p page_cnt=%lx page_4k_cnt=%lx i=%x "
- "next_listelem=%lx region=%p next_chunk=%p "
- "next_nmap=%lx", ret, e_mr, pginfo, pginfo->type,
- pginfo->num_pages, pginfo->num_4k,
- pginfo->next_buf, pginfo->next_4k, number, kpage,
- pginfo->page_cnt, pginfo->page_4k_cnt, i,
- pginfo->next_listelem, pginfo->region,
- pginfo->next_chunk, pginfo->next_nmap);
+ pginfo->u.usr.next_chunk =
+ list_prepare_entry(prev_chunk,
+ (&(pginfo->u.usr.region->chunk_list)),
+ list);
return ret;
-} /* end ehca_set_pagebuf() */
-
-/*----------------------------------------------------------------------*/
+}
-/* setup 1 page from page info page buffer */
-int ehca_set_pagebuf_1(struct ehca_mr *e_mr,
- struct ehca_mr_pginfo *pginfo,
- u64 *rpage)
+int ehca_set_pagebuf_phys(struct ehca_mr_pginfo *pginfo,
+ u32 number,
+ u64 *kpage)
{
int ret = 0;
- struct ib_phys_buf *tmp_pbuf;
- u64 *fmrlist;
- struct ib_umem_chunk *chunk;
- struct ib_umem_chunk *prev_chunk;
- u64 pgaddr, num4k, offs4k;
-
- if (pginfo->type == EHCA_MR_PGI_PHYS) {
- /* sanity check */
- if ((pginfo->page_cnt >= pginfo->num_pages) ||
- (pginfo->page_4k_cnt >= pginfo->num_4k)) {
- ehca_gen_err("page_cnt >= num_pages, page_cnt=%lx "
- "num_pages=%lx page_4k_cnt=%lx num_4k=%lx",
- pginfo->page_cnt, pginfo->num_pages,
- pginfo->page_4k_cnt, pginfo->num_4k);
- ret = -EFAULT;
- goto ehca_set_pagebuf_1_exit0;
- }
- tmp_pbuf = pginfo->phys_buf_array + pginfo->next_buf;
- num4k = ((tmp_pbuf->addr % EHCA_PAGESIZE) + tmp_pbuf->size +
- EHCA_PAGESIZE - 1) / EHCA_PAGESIZE;
- offs4k = (tmp_pbuf->addr & ~PAGE_MASK) / EHCA_PAGESIZE;
- *rpage = phys_to_abs((tmp_pbuf->addr & EHCA_PAGEMASK) +
- (pginfo->next_4k * EHCA_PAGESIZE));
- if ( !(*rpage) && tmp_pbuf->addr ) {
- ehca_gen_err("tmp_pbuf->addr=%lx"
- " tmp_pbuf->size=%lx next_4k=%lx",
- tmp_pbuf->addr, tmp_pbuf->size,
- pginfo->next_4k);
- ret = -EFAULT;
- goto ehca_set_pagebuf_1_exit0;
- }
- (pginfo->page_4k_cnt)++;
- (pginfo->next_4k)++;
- if (pginfo->next_4k % (PAGE_SIZE / EHCA_PAGESIZE) == 0)
- (pginfo->page_cnt)++;
- if (pginfo->next_4k >= offs4k + num4k) {
- (pginfo->next_buf)++;
- pginfo->next_4k = 0;
- }
- } else if (pginfo->type == EHCA_MR_PGI_USER) {
- chunk = pginfo->next_chunk;
- prev_chunk = pginfo->next_chunk;
- list_for_each_entry_continue(chunk,
- (&(pginfo->region->chunk_list)),
- list) {
- pgaddr = ( page_to_pfn(chunk->page_list[
- pginfo->next_nmap].page)
- << PAGE_SHIFT);
- *rpage = phys_to_abs(pgaddr +
- (pginfo->next_4k * EHCA_PAGESIZE));
- if ( !(*rpage) ) {
- ehca_gen_err("pgaddr=%lx chunk->page_list[]=%lx"
- " next_nmap=%lx next_4k=%lx mr=%p",
- pgaddr, (u64)sg_dma_address(
- &chunk->page_list[
- pginfo->
- next_nmap]),
- pginfo->next_nmap, pginfo->next_4k,
- e_mr);
- ret = -EFAULT;
- goto ehca_set_pagebuf_1_exit0;
- }
- (pginfo->page_4k_cnt)++;
- (pginfo->next_4k)++;
- if (pginfo->next_4k %
- (PAGE_SIZE / EHCA_PAGESIZE) == 0) {
- (pginfo->page_cnt)++;
- (pginfo->next_nmap)++;
- pginfo->next_4k = 0;
+ struct ib_phys_buf *pbuf;
+ u64 num_hw, offs_hw;
+ u32 i = 0;
+
+ /* loop over desired phys_buf_array entries */
+ while (i < number) {
+ pbuf = pginfo->u.phy.phys_buf_array + pginfo->u.phy.next_buf;
+ num_hw = NUM_CHUNKS((pbuf->addr % EHCA_PAGESIZE) +
+ pbuf->size, EHCA_PAGESIZE);
+ offs_hw = (pbuf->addr & ~PAGE_MASK) / EHCA_PAGESIZE;
+ while (pginfo->next_hwpage < offs_hw + num_hw) {
+ /* sanity check */
+ if ((pginfo->kpage_cnt >= pginfo->num_kpages) ||
+ (pginfo->hwpage_cnt >= pginfo->num_hwpages)) {
+ ehca_gen_err("kpage_cnt >= num_kpages, "
+ "kpage_cnt=%lx num_kpages=%lx "
+ "hwpage_cnt=%lx "
+ "num_hwpages=%lx i=%x",
+ pginfo->kpage_cnt,
+ pginfo->num_kpages,
+ pginfo->hwpage_cnt,
+ pginfo->num_hwpages, i);
+ return -EFAULT;
}
- if (pginfo->next_nmap >= chunk->nmap) {
- pginfo->next_nmap = 0;
- prev_chunk = chunk;
+ *kpage = phys_to_abs(
+ (pbuf->addr & EHCA_PAGEMASK)
+ + (pginfo->next_hwpage * EHCA_PAGESIZE));
+ if ( !(*kpage) && pbuf->addr ) {
+ ehca_gen_err("pbuf->addr=%lx "
+ "pbuf->size=%lx "
+ "next_hwpage=%lx", pbuf->addr,
+ pbuf->size,
+ pginfo->next_hwpage);
+ return -EFAULT;
}
- break;
+ (pginfo->hwpage_cnt)++;
+ (pginfo->next_hwpage)++;
+ if (pginfo->next_hwpage %
+ (PAGE_SIZE / EHCA_PAGESIZE) == 0)
+ (pginfo->kpage_cnt)++;
+ kpage++;
+ i++;
+ if (i >= number) break;
+ }
+ if (pginfo->next_hwpage >= offs_hw + num_hw) {
+ (pginfo->u.phy.next_buf)++;
+ pginfo->next_hwpage = 0;
}
- pginfo->next_chunk =
- list_prepare_entry(prev_chunk,
- (&(pginfo->region->chunk_list)),
- list);
- } else if (pginfo->type == EHCA_MR_PGI_FMR) {
- fmrlist = pginfo->page_list + pginfo->next_listelem;
- *rpage = phys_to_abs((*fmrlist & EHCA_PAGEMASK) +
- pginfo->next_4k * EHCA_PAGESIZE);
- if ( !(*rpage) ) {
+ }
+ return ret;
+}
+
+int ehca_set_pagebuf_fmr(struct ehca_mr_pginfo *pginfo,
+ u32 number,
+ u64 *kpage)
+{
+ int ret = 0;
+ u64 *fmrlist;
+ u32 i;
+
+ /* loop over desired page_list entries */
+ fmrlist = pginfo->u.fmr.page_list + pginfo->u.fmr.next_listelem;
+ for (i = 0; i < number; i++) {
+ *kpage = phys_to_abs((*fmrlist & EHCA_PAGEMASK) +
+ pginfo->next_hwpage * EHCA_PAGESIZE);
+ if ( !(*kpage) ) {
ehca_gen_err("*fmrlist=%lx fmrlist=%p "
- "next_listelem=%lx next_4k=%lx",
- *fmrlist, fmrlist, pginfo->next_listelem,
- pginfo->next_4k);
- ret = -EFAULT;
- goto ehca_set_pagebuf_1_exit0;
+ "next_listelem=%lx next_hwpage=%lx",
+ *fmrlist, fmrlist,
+ pginfo->u.fmr.next_listelem,
+ pginfo->next_hwpage);
+ return -EFAULT;
}
- (pginfo->page_4k_cnt)++;
- (pginfo->next_4k)++;
- if (pginfo->next_4k %
- (e_mr->fmr_page_size / EHCA_PAGESIZE) == 0) {
- (pginfo->page_cnt)++;
- (pginfo->next_listelem)++;
- pginfo->next_4k = 0;
+ (pginfo->hwpage_cnt)++;
+ (pginfo->next_hwpage)++;
+ kpage++;
+ if (pginfo->next_hwpage %
+ (pginfo->u.fmr.fmr_pgsize / EHCA_PAGESIZE) == 0) {
+ (pginfo->kpage_cnt)++;
+ (pginfo->u.fmr.next_listelem)++;
+ fmrlist++;
+ pginfo->next_hwpage = 0;
}
- } else {
+ }
+ return ret;
+}
+
+/* setup page buffer from page info */
+int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo,
+ u32 number,
+ u64 *kpage)
+{
+ int ret;
+
+ switch (pginfo->type) {
+ case EHCA_MR_PGI_PHYS:
+ ret = ehca_set_pagebuf_phys(pginfo, number, kpage);
+ break;
+ case EHCA_MR_PGI_USER:
+ ret = ehca_set_pagebuf_user1(pginfo, number, kpage);
+ break;
+ case EHCA_MR_PGI_FMR:
+ ret = ehca_set_pagebuf_fmr(pginfo, number, kpage);
+ break;
+ default:
ehca_gen_err("bad pginfo->type=%x", pginfo->type);
ret = -EFAULT;
- goto ehca_set_pagebuf_1_exit0;
+ break;
}
-
-ehca_set_pagebuf_1_exit0:
- if (ret)
- ehca_gen_err("ret=%x e_mr=%p pginfo=%p type=%x num_pages=%lx "
- "num_4k=%lx next_buf=%lx next_4k=%lx rpage=%p "
- "page_cnt=%lx page_4k_cnt=%lx next_listelem=%lx "
- "region=%p next_chunk=%p next_nmap=%lx", ret, e_mr,
- pginfo, pginfo->type, pginfo->num_pages,
- pginfo->num_4k, pginfo->next_buf, pginfo->next_4k,
- rpage, pginfo->page_cnt, pginfo->page_4k_cnt,
- pginfo->next_listelem, pginfo->region,
- pginfo->next_chunk, pginfo->next_nmap);
return ret;
-} /* end ehca_set_pagebuf_1() */
+} /* end ehca_set_pagebuf() */
/*----------------------------------------------------------------------*/
@@ -1982,7 +1866,7 @@ int ehca_mr_is_maxmr(u64 size,
{
/* a MR is treated as max-MR only if it fits following: */
if ((size == ((u64)high_memory - PAGE_OFFSET)) &&
- (iova_start == (void*)KERNELBASE)) {
+ (iova_start == (void *)KERNELBASE)) {
ehca_gen_dbg("this is a max-MR");
return 1;
} else
@@ -2042,196 +1926,23 @@ void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl,
/*----------------------------------------------------------------------*/
/*
- * map HIPZ rc to IB retcodes for MR/MW allocations
- * Used for hipz_mr_reg_alloc and hipz_mw_alloc.
- */
-int ehca_mrmw_map_hrc_alloc(const u64 hipz_rc)
-{
- switch (hipz_rc) {
- case H_SUCCESS: /* successful completion */
- return 0;
- case H_NOT_ENOUGH_RESOURCES: /* insufficient resources */
- case H_CONSTRAINED: /* resource constraint */
- case H_NO_MEM:
- return -ENOMEM;
- case H_BUSY: /* long busy */
- return -EBUSY;
- default:
- return -EINVAL;
- }
-} /* end ehca_mrmw_map_hrc_alloc() */
-
-/*----------------------------------------------------------------------*/
-
-/*
- * map HIPZ rc to IB retcodes for MR register rpage
- * Used for hipz_h_register_rpage_mr at registering last page
- */
-int ehca_mrmw_map_hrc_rrpg_last(const u64 hipz_rc)
-{
- switch (hipz_rc) {
- case H_SUCCESS: /* registration complete */
- return 0;
- case H_PAGE_REGISTERED: /* page registered */
- case H_ADAPTER_PARM: /* invalid adapter handle */
- case H_RH_PARM: /* invalid resource handle */
-/* case H_QT_PARM: invalid queue type */
- case H_PARAMETER: /*
- * invalid logical address,
- * or count zero or greater 512
- */
- case H_TABLE_FULL: /* page table full */
- case H_HARDWARE: /* HCA not operational */
- return -EINVAL;
- case H_BUSY: /* long busy */
- return -EBUSY;
- default:
- return -EINVAL;
- }
-} /* end ehca_mrmw_map_hrc_rrpg_last() */
-
-/*----------------------------------------------------------------------*/
-
-/*
- * map HIPZ rc to IB retcodes for MR register rpage
- * Used for hipz_h_register_rpage_mr at registering one page, but not last page
- */
-int ehca_mrmw_map_hrc_rrpg_notlast(const u64 hipz_rc)
-{
- switch (hipz_rc) {
- case H_PAGE_REGISTERED: /* page registered */
- return 0;
- case H_SUCCESS: /* registration complete */
- case H_ADAPTER_PARM: /* invalid adapter handle */
- case H_RH_PARM: /* invalid resource handle */
-/* case H_QT_PARM: invalid queue type */
- case H_PARAMETER: /*
- * invalid logical address,
- * or count zero or greater 512
- */
- case H_TABLE_FULL: /* page table full */
- case H_HARDWARE: /* HCA not operational */
- return -EINVAL;
- case H_BUSY: /* long busy */
- return -EBUSY;
- default:
- return -EINVAL;
- }
-} /* end ehca_mrmw_map_hrc_rrpg_notlast() */
-
-/*----------------------------------------------------------------------*/
-
-/* map HIPZ rc to IB retcodes for MR query. Used for hipz_mr_query. */
-int ehca_mrmw_map_hrc_query_mr(const u64 hipz_rc)
-{
- switch (hipz_rc) {
- case H_SUCCESS: /* successful completion */
- return 0;
- case H_ADAPTER_PARM: /* invalid adapter handle */
- case H_RH_PARM: /* invalid resource handle */
- return -EINVAL;
- case H_BUSY: /* long busy */
- return -EBUSY;
- default:
- return -EINVAL;
- }
-} /* end ehca_mrmw_map_hrc_query_mr() */
-
-/*----------------------------------------------------------------------*/
-/*----------------------------------------------------------------------*/
-
-/*
- * map HIPZ rc to IB retcodes for freeing MR resource
- * Used for hipz_h_free_resource_mr
- */
-int ehca_mrmw_map_hrc_free_mr(const u64 hipz_rc)
-{
- switch (hipz_rc) {
- case H_SUCCESS: /* resource freed */
- return 0;
- case H_ADAPTER_PARM: /* invalid adapter handle */
- case H_RH_PARM: /* invalid resource handle */
- case H_R_STATE: /* invalid resource state */
- case H_HARDWARE: /* HCA not operational */
- return -EINVAL;
- case H_RESOURCE: /* Resource in use */
- case H_BUSY: /* long busy */
- return -EBUSY;
- default:
- return -EINVAL;
- }
-} /* end ehca_mrmw_map_hrc_free_mr() */
-
-/*----------------------------------------------------------------------*/
-
-/*
- * map HIPZ rc to IB retcodes for freeing MW resource
- * Used for hipz_h_free_resource_mw
- */
-int ehca_mrmw_map_hrc_free_mw(const u64 hipz_rc)
-{
- switch (hipz_rc) {
- case H_SUCCESS: /* resource freed */
- return 0;
- case H_ADAPTER_PARM: /* invalid adapter handle */
- case H_RH_PARM: /* invalid resource handle */
- case H_R_STATE: /* invalid resource state */
- case H_HARDWARE: /* HCA not operational */
- return -EINVAL;
- case H_RESOURCE: /* Resource in use */
- case H_BUSY: /* long busy */
- return -EBUSY;
- default:
- return -EINVAL;
- }
-} /* end ehca_mrmw_map_hrc_free_mw() */
-
-/*----------------------------------------------------------------------*/
-
-/*
- * map HIPZ rc to IB retcodes for SMR registrations
- * Used for hipz_h_register_smr.
- */
-int ehca_mrmw_map_hrc_reg_smr(const u64 hipz_rc)
-{
- switch (hipz_rc) {
- case H_SUCCESS: /* successful completion */
- return 0;
- case H_ADAPTER_PARM: /* invalid adapter handle */
- case H_RH_PARM: /* invalid resource handle */
- case H_MEM_PARM: /* invalid MR virtual address */
- case H_MEM_ACCESS_PARM: /* invalid access controls */
- case H_NOT_ENOUGH_RESOURCES: /* insufficient resources */
- return -EINVAL;
- case H_BUSY: /* long busy */
- return -EBUSY;
- default:
- return -EINVAL;
- }
-} /* end ehca_mrmw_map_hrc_reg_smr() */
-
-/*----------------------------------------------------------------------*/
-
-/*
* MR destructor and constructor
* used in Reregister MR verb, sets all fields in ehca_mr_t to 0,
* except struct ib_mr and spinlock
*/
void ehca_mr_deletenew(struct ehca_mr *mr)
{
- mr->flags = 0;
- mr->num_pages = 0;
- mr->num_4k = 0;
- mr->acl = 0;
- mr->start = NULL;
+ mr->flags = 0;
+ mr->num_kpages = 0;
+ mr->num_hwpages = 0;
+ mr->acl = 0;
+ mr->start = NULL;
mr->fmr_page_size = 0;
mr->fmr_max_pages = 0;
- mr->fmr_max_maps = 0;
- mr->fmr_map_cnt = 0;
+ mr->fmr_max_maps = 0;
+ mr->fmr_map_cnt = 0;
memset(&mr->ipz_mr_handle, 0, sizeof(mr->ipz_mr_handle));
memset(&mr->galpas, 0, sizeof(mr->galpas));
- mr->nr_of_pages = 0;
- mr->pagearray = NULL;
} /* end ehca_mr_deletenew() */
int ehca_init_mrmw_cache(void)
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.h b/drivers/infiniband/hw/ehca/ehca_mrmw.h
index d936e40a5748..24f13fe3708b 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.h
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.h
@@ -101,15 +101,10 @@ int ehca_fmr_check_page_list(struct ehca_mr *e_fmr,
u64 *page_list,
int list_len);
-int ehca_set_pagebuf(struct ehca_mr *e_mr,
- struct ehca_mr_pginfo *pginfo,
+int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo,
u32 number,
u64 *kpage);
-int ehca_set_pagebuf_1(struct ehca_mr *e_mr,
- struct ehca_mr_pginfo *pginfo,
- u64 *rpage);
-
int ehca_mr_is_maxmr(u64 size,
u64 *iova_start);
@@ -121,20 +116,6 @@ void ehca_mrmw_set_pgsize_hipz_acl(u32 *hipz_acl);
void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl,
int *ib_acl);
-int ehca_mrmw_map_hrc_alloc(const u64 hipz_rc);
-
-int ehca_mrmw_map_hrc_rrpg_last(const u64 hipz_rc);
-
-int ehca_mrmw_map_hrc_rrpg_notlast(const u64 hipz_rc);
-
-int ehca_mrmw_map_hrc_query_mr(const u64 hipz_rc);
-
-int ehca_mrmw_map_hrc_free_mr(const u64 hipz_rc);
-
-int ehca_mrmw_map_hrc_free_mw(const u64 hipz_rc);
-
-int ehca_mrmw_map_hrc_reg_smr(const u64 hipz_rc);
-
void ehca_mr_deletenew(struct ehca_mr *mr);
#endif /*_EHCA_MRMW_H_*/
diff --git a/drivers/infiniband/hw/ehca/ehca_qes.h b/drivers/infiniband/hw/ehca/ehca_qes.h
index 8707d297ce4c..818803057ebf 100644
--- a/drivers/infiniband/hw/ehca/ehca_qes.h
+++ b/drivers/infiniband/hw/ehca/ehca_qes.h
@@ -53,13 +53,13 @@ struct ehca_vsgentry {
u32 length;
};
-#define GRH_FLAG_MASK EHCA_BMASK_IBM(7,7)
-#define GRH_IPVERSION_MASK EHCA_BMASK_IBM(0,3)
-#define GRH_TCLASS_MASK EHCA_BMASK_IBM(4,12)
-#define GRH_FLOWLABEL_MASK EHCA_BMASK_IBM(13,31)
-#define GRH_PAYLEN_MASK EHCA_BMASK_IBM(32,47)
-#define GRH_NEXTHEADER_MASK EHCA_BMASK_IBM(48,55)
-#define GRH_HOPLIMIT_MASK EHCA_BMASK_IBM(56,63)
+#define GRH_FLAG_MASK EHCA_BMASK_IBM( 7, 7)
+#define GRH_IPVERSION_MASK EHCA_BMASK_IBM( 0, 3)
+#define GRH_TCLASS_MASK EHCA_BMASK_IBM( 4, 12)
+#define GRH_FLOWLABEL_MASK EHCA_BMASK_IBM(13, 31)
+#define GRH_PAYLEN_MASK EHCA_BMASK_IBM(32, 47)
+#define GRH_NEXTHEADER_MASK EHCA_BMASK_IBM(48, 55)
+#define GRH_HOPLIMIT_MASK EHCA_BMASK_IBM(56, 63)
/*
* Unreliable Datagram Address Vector Format
@@ -206,10 +206,10 @@ struct ehca_wqe {
};
-#define WC_SEND_RECEIVE EHCA_BMASK_IBM(0,0)
-#define WC_IMM_DATA EHCA_BMASK_IBM(1,1)
-#define WC_GRH_PRESENT EHCA_BMASK_IBM(2,2)
-#define WC_SE_BIT EHCA_BMASK_IBM(3,3)
+#define WC_SEND_RECEIVE EHCA_BMASK_IBM(0, 0)
+#define WC_IMM_DATA EHCA_BMASK_IBM(1, 1)
+#define WC_GRH_PRESENT EHCA_BMASK_IBM(2, 2)
+#define WC_SE_BIT EHCA_BMASK_IBM(3, 3)
#define WC_STATUS_ERROR_BIT 0x80000000
#define WC_STATUS_REMOTE_ERROR_FLAGS 0x0000F800
#define WC_STATUS_PURGE_BIT 0x10
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 74671250303f..48e9ceacd6fa 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -602,10 +602,10 @@ struct ehca_qp *internal_create_qp(struct ib_pd *pd,
/* UD circumvention */
parms.act_nr_send_sges -= 2;
parms.act_nr_recv_sges -= 2;
- swqe_size = offsetof(struct ehca_wqe,
- u.ud_av.sg_list[parms.act_nr_send_sges]);
- rwqe_size = offsetof(struct ehca_wqe,
- u.ud_av.sg_list[parms.act_nr_recv_sges]);
+ swqe_size = offsetof(struct ehca_wqe, u.ud_av.sg_list[
+ parms.act_nr_send_sges]);
+ rwqe_size = offsetof(struct ehca_wqe, u.ud_av.sg_list[
+ parms.act_nr_recv_sges]);
}
if (IB_QPT_GSI == qp_type || IB_QPT_SMI == qp_type) {
@@ -690,8 +690,8 @@ struct ehca_qp *internal_create_qp(struct ib_pd *pd,
if (my_qp->send_cq) {
ret = ehca_cq_assign_qp(my_qp->send_cq, my_qp);
if (ret) {
- ehca_err(pd->device, "Couldn't assign qp to send_cq ret=%x",
- ret);
+ ehca_err(pd->device,
+ "Couldn't assign qp to send_cq ret=%x", ret);
goto create_qp_exit4;
}
}
@@ -749,7 +749,7 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd,
struct ehca_qp *ret;
ret = internal_create_qp(pd, qp_init_attr, NULL, udata, 0);
- return IS_ERR(ret) ? (struct ib_qp *) ret : &ret->ib_qp;
+ return IS_ERR(ret) ? (struct ib_qp *)ret : &ret->ib_qp;
}
int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
@@ -780,7 +780,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
my_qp = internal_create_qp(pd, &qp_init_attr, srq_init_attr, udata, 1);
if (IS_ERR(my_qp))
- return (struct ib_srq *) my_qp;
+ return (struct ib_srq *)my_qp;
/* copy back return values */
srq_init_attr->attr.max_wr = qp_init_attr.cap.max_recv_wr;
@@ -875,7 +875,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca,
my_qp, qp_num, h_ret);
return ehca2ib_return_code(h_ret);
}
- bad_send_wqe_p = (void*)((u64)bad_send_wqe_p & (~(1L<<63)));
+ bad_send_wqe_p = (void *)((u64)bad_send_wqe_p & (~(1L << 63)));
ehca_dbg(&shca->ib_device, "qp_num=%x bad_send_wqe_p=%p",
qp_num, bad_send_wqe_p);
/* convert wqe pointer to vadr */
@@ -890,7 +890,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca,
}
/* loop sets wqe's purge bit */
- wqe = (struct ehca_wqe*)ipz_qeit_calc(squeue, q_ofs);
+ wqe = (struct ehca_wqe *)ipz_qeit_calc(squeue, q_ofs);
*bad_wqe_cnt = 0;
while (wqe->optype != 0xff && wqe->wqef != 0xff) {
if (ehca_debug_level)
@@ -898,7 +898,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca,
wqe->nr_of_data_seg = 0; /* suppress data access */
wqe->wqef = WQEF_PURGE; /* WQE to be purged */
q_ofs = ipz_queue_advance_offset(squeue, q_ofs);
- wqe = (struct ehca_wqe*)ipz_qeit_calc(squeue, q_ofs);
+ wqe = (struct ehca_wqe *)ipz_qeit_calc(squeue, q_ofs);
*bad_wqe_cnt = (*bad_wqe_cnt)+1;
}
/*
@@ -1003,7 +1003,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
goto modify_qp_exit1;
}
- ehca_dbg(ibqp->device,"ehca_qp=%p qp_num=%x current qp_state=%x "
+ ehca_dbg(ibqp->device, "ehca_qp=%p qp_num=%x current qp_state=%x "
"new qp_state=%x attribute_mask=%x",
my_qp, ibqp->qp_num, qp_cur_state, attr->qp_state, attr_mask);
@@ -1019,7 +1019,8 @@ static int internal_modify_qp(struct ib_qp *ibqp,
goto modify_qp_exit1;
}
- if ((mqpcb->qp_state = ib2ehca_qp_state(qp_new_state)))
+ mqpcb->qp_state = ib2ehca_qp_state(qp_new_state);
+ if (mqpcb->qp_state)
update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_STATE, 1);
else {
ret = -EINVAL;
@@ -1077,7 +1078,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
spin_lock_irqsave(&my_qp->spinlock_s, flags);
squeue_locked = 1;
/* mark next free wqe */
- wqe = (struct ehca_wqe*)
+ wqe = (struct ehca_wqe *)
ipz_qeit_get(&my_qp->ipz_squeue);
wqe->optype = wqe->wqef = 0xff;
ehca_dbg(ibqp->device, "qp_num=%x next_free_wqe=%p",
@@ -1312,7 +1313,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
if (h_ret != H_SUCCESS) {
ret = ehca2ib_return_code(h_ret);
ehca_err(ibqp->device, "hipz_h_modify_qp() failed rc=%lx "
- "ehca_qp=%p qp_num=%x",h_ret, my_qp, ibqp->qp_num);
+ "ehca_qp=%p qp_num=%x", h_ret, my_qp, ibqp->qp_num);
goto modify_qp_exit2;
}
@@ -1411,7 +1412,7 @@ int ehca_query_qp(struct ib_qp *qp,
}
if (qp_attr_mask & QP_ATTR_QUERY_NOT_SUPPORTED) {
- ehca_err(qp->device,"Invalid attribute mask "
+ ehca_err(qp->device, "Invalid attribute mask "
"ehca_qp=%p qp_num=%x qp_attr_mask=%x ",
my_qp, qp->qp_num, qp_attr_mask);
return -EINVAL;
@@ -1419,7 +1420,7 @@ int ehca_query_qp(struct ib_qp *qp,
qpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!qpcb) {
- ehca_err(qp->device,"Out of memory for qpcb "
+ ehca_err(qp->device, "Out of memory for qpcb "
"ehca_qp=%p qp_num=%x", my_qp, qp->qp_num);
return -ENOMEM;
}
@@ -1431,7 +1432,7 @@ int ehca_query_qp(struct ib_qp *qp,
if (h_ret != H_SUCCESS) {
ret = ehca2ib_return_code(h_ret);
- ehca_err(qp->device,"hipz_h_query_qp() failed "
+ ehca_err(qp->device, "hipz_h_query_qp() failed "
"ehca_qp=%p qp_num=%x h_ret=%lx",
my_qp, qp->qp_num, h_ret);
goto query_qp_exit1;
@@ -1442,7 +1443,7 @@ int ehca_query_qp(struct ib_qp *qp,
if (qp_attr->cur_qp_state == -EINVAL) {
ret = -EINVAL;
- ehca_err(qp->device,"Got invalid ehca_qp_state=%x "
+ ehca_err(qp->device, "Got invalid ehca_qp_state=%x "
"ehca_qp=%p qp_num=%x",
qpcb->qp_state, my_qp, qp->qp_num);
goto query_qp_exit1;
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 61da65e6e5e0..94eed70fedf5 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -79,7 +79,8 @@ static inline int ehca_write_rwqe(struct ipz_queue *ipz_rqueue,
}
if (ehca_debug_level) {
- ehca_gen_dbg("RECEIVE WQE written into ipz_rqueue=%p", ipz_rqueue);
+ ehca_gen_dbg("RECEIVE WQE written into ipz_rqueue=%p",
+ ipz_rqueue);
ehca_dmp( wqe_p, 16*(6 + wqe_p->nr_of_data_seg), "recv wqe");
}
@@ -99,7 +100,7 @@ static void trace_send_wr_ud(const struct ib_send_wr *send_wr)
struct ib_mad_hdr *mad_hdr = send_wr->wr.ud.mad_hdr;
struct ib_sge *sge = send_wr->sg_list;
ehca_gen_dbg("send_wr#%x wr_id=%lx num_sge=%x "
- "send_flags=%x opcode=%x",idx, send_wr->wr_id,
+ "send_flags=%x opcode=%x", idx, send_wr->wr_id,
send_wr->num_sge, send_wr->send_flags,
send_wr->opcode);
if (mad_hdr) {
@@ -116,7 +117,7 @@ static void trace_send_wr_ud(const struct ib_send_wr *send_wr)
mad_hdr->attr_mod);
}
for (j = 0; j < send_wr->num_sge; j++) {
- u8 *data = (u8 *) abs_to_virt(sge->addr);
+ u8 *data = (u8 *)abs_to_virt(sge->addr);
ehca_gen_dbg("send_wr#%x sge#%x addr=%p length=%x "
"lkey=%x",
idx, j, data, sge->length, sge->lkey);
@@ -534,9 +535,11 @@ poll_cq_one_read_cqe:
cqe_count++;
if (unlikely(cqe->status & WC_STATUS_PURGE_BIT)) {
- struct ehca_qp *qp=ehca_cq_get_qp(my_cq, cqe->local_qp_number);
+ struct ehca_qp *qp;
int purgeflag;
unsigned long flags;
+
+ qp = ehca_cq_get_qp(my_cq, cqe->local_qp_number);
if (!qp) {
ehca_err(cq->device, "cq_num=%x qp_num=%x "
"could not find qp -> ignore cqe",
@@ -551,8 +554,8 @@ poll_cq_one_read_cqe:
spin_unlock_irqrestore(&qp->spinlock_s, flags);
if (purgeflag) {
- ehca_dbg(cq->device, "Got CQE with purged bit qp_num=%x "
- "src_qp=%x",
+ ehca_dbg(cq->device,
+ "Got CQE with purged bit qp_num=%x src_qp=%x",
cqe->local_qp_number, cqe->remote_qp_number);
if (ehca_debug_level)
ehca_dmp(cqe, 64, "qp_num=%x src_qp=%x",
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h
index 03b185f873da..678b81391861 100644
--- a/drivers/infiniband/hw/ehca/ehca_tools.h
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -93,14 +93,14 @@ extern int ehca_debug_level;
#define ehca_gen_dbg(format, arg...) \
do { \
if (unlikely(ehca_debug_level)) \
- printk(KERN_DEBUG "PU%04x EHCA_DBG:%s " format "\n",\
+ printk(KERN_DEBUG "PU%04x EHCA_DBG:%s " format "\n", \
get_paca()->paca_index, __FUNCTION__, ## arg); \
} while (0)
#define ehca_gen_warn(format, arg...) \
do { \
if (unlikely(ehca_debug_level)) \
- printk(KERN_INFO "PU%04x EHCA_WARN:%s " format "\n",\
+ printk(KERN_INFO "PU%04x EHCA_WARN:%s " format "\n", \
get_paca()->paca_index, __FUNCTION__, ## arg); \
} while (0)
@@ -114,12 +114,12 @@ extern int ehca_debug_level;
* <format string> adr=X ofs=Y <8 bytes hex> <8 bytes hex>
*/
#define ehca_dmp(adr, len, format, args...) \
- do { \
- unsigned int x; \
+ do { \
+ unsigned int x; \
unsigned int l = (unsigned int)(len); \
- unsigned char *deb = (unsigned char*)(adr); \
+ unsigned char *deb = (unsigned char *)(adr); \
for (x = 0; x < l; x += 16) { \
- printk("EHCA_DMP:%s " format \
+ printk(KERN_INFO "EHCA_DMP:%s " format \
" adr=%p ofs=%04x %016lx %016lx\n", \
__FUNCTION__, ##args, deb, x, \
*((u64 *)&deb[0]), *((u64 *)&deb[8])); \
@@ -128,16 +128,16 @@ extern int ehca_debug_level;
} while (0)
/* define a bitmask, little endian version */
-#define EHCA_BMASK(pos,length) (((pos)<<16)+(length))
+#define EHCA_BMASK(pos, length) (((pos) << 16) + (length))
/* define a bitmask, the ibm way... */
-#define EHCA_BMASK_IBM(from,to) (((63-to)<<16)+((to)-(from)+1))
+#define EHCA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1))
/* internal function, don't use */
-#define EHCA_BMASK_SHIFTPOS(mask) (((mask)>>16)&0xffff)
+#define EHCA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff)
/* internal function, don't use */
-#define EHCA_BMASK_MASK(mask) (0xffffffffffffffffULL >> ((64-(mask))&0xffff))
+#define EHCA_BMASK_MASK(mask) (~0ULL >> ((64 - (mask)) & 0xffff))
/**
* EHCA_BMASK_SET - return value shifted and masked by mask
@@ -145,14 +145,14 @@ extern int ehca_debug_level;
* variable&=~EHCA_BMASK_SET(MY_MASK,-1) clears the bits from the mask
* in variable
*/
-#define EHCA_BMASK_SET(mask,value) \
- ((EHCA_BMASK_MASK(mask) & ((u64)(value)))<<EHCA_BMASK_SHIFTPOS(mask))
+#define EHCA_BMASK_SET(mask, value) \
+ ((EHCA_BMASK_MASK(mask) & ((u64)(value))) << EHCA_BMASK_SHIFTPOS(mask))
/**
* EHCA_BMASK_GET - extract a parameter from value by mask
*/
-#define EHCA_BMASK_GET(mask,value) \
- (EHCA_BMASK_MASK(mask)& (((u64)(value))>>EHCA_BMASK_SHIFTPOS(mask)))
+#define EHCA_BMASK_GET(mask, value) \
+ (EHCA_BMASK_MASK(mask) & (((u64)(value)) >> EHCA_BMASK_SHIFTPOS(mask)))
/* Converts ehca to ib return code */
@@ -161,8 +161,11 @@ static inline int ehca2ib_return_code(u64 ehca_rc)
switch (ehca_rc) {
case H_SUCCESS:
return 0;
+ case H_RESOURCE: /* Resource in use */
case H_BUSY:
return -EBUSY;
+ case H_NOT_ENOUGH_RESOURCES: /* insufficient resources */
+ case H_CONSTRAINED: /* resource constraint */
case H_NO_MEM:
return -ENOMEM;
default:
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c
index 3031b3bb56f9..05c415744e3b 100644
--- a/drivers/infiniband/hw/ehca/ehca_uverbs.c
+++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c
@@ -70,7 +70,7 @@ int ehca_dealloc_ucontext(struct ib_ucontext *context)
static void ehca_mm_open(struct vm_area_struct *vma)
{
- u32 *count = (u32*)vma->vm_private_data;
+ u32 *count = (u32 *)vma->vm_private_data;
if (!count) {
ehca_gen_err("Invalid vma struct vm_start=%lx vm_end=%lx",
vma->vm_start, vma->vm_end);
@@ -86,7 +86,7 @@ static void ehca_mm_open(struct vm_area_struct *vma)
static void ehca_mm_close(struct vm_area_struct *vma)
{
- u32 *count = (u32*)vma->vm_private_data;
+ u32 *count = (u32 *)vma->vm_private_data;
if (!count) {
ehca_gen_err("Invalid vma struct vm_start=%lx vm_end=%lx",
vma->vm_start, vma->vm_end);
@@ -215,7 +215,8 @@ static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp,
case 2: /* qp rqueue_addr */
ehca_dbg(qp->ib_qp.device, "qp_num=%x rqueue",
qp->ib_qp.qp_num);
- ret = ehca_mmap_queue(vma, &qp->ipz_rqueue, &qp->mm_count_rqueue);
+ ret = ehca_mmap_queue(vma, &qp->ipz_rqueue,
+ &qp->mm_count_rqueue);
if (unlikely(ret)) {
ehca_err(qp->ib_qp.device,
"ehca_mmap_queue(rq) failed rc=%x qp_num=%x",
@@ -227,7 +228,8 @@ static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp,
case 3: /* qp squeue_addr */
ehca_dbg(qp->ib_qp.device, "qp_num=%x squeue",
qp->ib_qp.qp_num);
- ret = ehca_mmap_queue(vma, &qp->ipz_squeue, &qp->mm_count_squeue);
+ ret = ehca_mmap_queue(vma, &qp->ipz_squeue,
+ &qp->mm_count_squeue);
if (unlikely(ret)) {
ehca_err(qp->ib_qp.device,
"ehca_mmap_queue(sq) failed rc=%x qp_num=%x",
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index 4776a8b0feec..3394e05f4b4f 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -501,8 +501,8 @@ u64 hipz_h_register_rpage_qp(const struct ipz_adapter_handle adapter_handle,
return H_PARAMETER;
}
- return hipz_h_register_rpage(adapter_handle,pagesize,queue_type,
- qp_handle.handle,logical_address_of_page,
+ return hipz_h_register_rpage(adapter_handle, pagesize, queue_type,
+ qp_handle.handle, logical_address_of_page,
count);
}
@@ -522,9 +522,9 @@ u64 hipz_h_disable_and_get_wqe(const struct ipz_adapter_handle adapter_handle,
qp_handle.handle, /* r6 */
0, 0, 0, 0, 0, 0);
if (log_addr_next_sq_wqe2processed)
- *log_addr_next_sq_wqe2processed = (void*)outs[0];
+ *log_addr_next_sq_wqe2processed = (void *)outs[0];
if (log_addr_next_rq_wqe2processed)
- *log_addr_next_rq_wqe2processed = (void*)outs[1];
+ *log_addr_next_rq_wqe2processed = (void *)outs[1];
return ret;
}
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.c b/drivers/infiniband/hw/ehca/hcp_phyp.c
index 0b1a4772c78a..214821095cb1 100644
--- a/drivers/infiniband/hw/ehca/hcp_phyp.c
+++ b/drivers/infiniband/hw/ehca/hcp_phyp.c
@@ -50,7 +50,7 @@ int hcall_map_page(u64 physaddr, u64 *mapaddr)
int hcall_unmap_page(u64 mapaddr)
{
- iounmap((volatile void __iomem*)mapaddr);
+ iounmap((volatile void __iomem *) mapaddr);
return 0;
}
diff --git a/drivers/infiniband/hw/ehca/hipz_fns_core.h b/drivers/infiniband/hw/ehca/hipz_fns_core.h
index 20898a153446..868735fd3187 100644
--- a/drivers/infiniband/hw/ehca/hipz_fns_core.h
+++ b/drivers/infiniband/hw/ehca/hipz_fns_core.h
@@ -53,10 +53,10 @@
#define hipz_galpa_load_cq(gal, offset) \
hipz_galpa_load(gal, CQTEMM_OFFSET(offset))
-#define hipz_galpa_store_qp(gal,offset, value) \
+#define hipz_galpa_store_qp(gal, offset, value) \
hipz_galpa_store(gal, QPTEMM_OFFSET(offset), value)
#define hipz_galpa_load_qp(gal, offset) \
- hipz_galpa_load(gal,QPTEMM_OFFSET(offset))
+ hipz_galpa_load(gal, QPTEMM_OFFSET(offset))
static inline void hipz_update_sqa(struct ehca_qp *qp, u16 nr_wqes)
{
diff --git a/drivers/infiniband/hw/ehca/hipz_hw.h b/drivers/infiniband/hw/ehca/hipz_hw.h
index dad6dea5636b..d9739e554515 100644
--- a/drivers/infiniband/hw/ehca/hipz_hw.h
+++ b/drivers/infiniband/hw/ehca/hipz_hw.h
@@ -161,11 +161,11 @@ struct hipz_qptemm {
/* 0x1000 */
};
-#define QPX_SQADDER EHCA_BMASK_IBM(48,63)
-#define QPX_RQADDER EHCA_BMASK_IBM(48,63)
-#define QPX_AAELOG_RESET_SRQ_LIMIT EHCA_BMASK_IBM(3,3)
+#define QPX_SQADDER EHCA_BMASK_IBM(48, 63)
+#define QPX_RQADDER EHCA_BMASK_IBM(48, 63)
+#define QPX_AAELOG_RESET_SRQ_LIMIT EHCA_BMASK_IBM(3, 3)
-#define QPTEMM_OFFSET(x) offsetof(struct hipz_qptemm,x)
+#define QPTEMM_OFFSET(x) offsetof(struct hipz_qptemm, x)
/* MRMWPT Entry Memory Map */
struct hipz_mrmwmm {
@@ -187,7 +187,7 @@ struct hipz_mrmwmm {
};
-#define MRMWMM_OFFSET(x) offsetof(struct hipz_mrmwmm,x)
+#define MRMWMM_OFFSET(x) offsetof(struct hipz_mrmwmm, x)
struct hipz_qpedmm {
/* 0x00 */
@@ -238,7 +238,7 @@ struct hipz_qpedmm {
u64 qpedx_rrva3;
};
-#define QPEDMM_OFFSET(x) offsetof(struct hipz_qpedmm,x)
+#define QPEDMM_OFFSET(x) offsetof(struct hipz_qpedmm, x)
/* CQ Table Entry Memory Map */
struct hipz_cqtemm {
@@ -263,12 +263,12 @@ struct hipz_cqtemm {
/* 0x1000 */
};
-#define CQX_FEC_CQE_CNT EHCA_BMASK_IBM(32,63)
-#define CQX_FECADDER EHCA_BMASK_IBM(32,63)
-#define CQX_N0_GENERATE_SOLICITED_COMP_EVENT EHCA_BMASK_IBM(0,0)
-#define CQX_N1_GENERATE_COMP_EVENT EHCA_BMASK_IBM(0,0)
+#define CQX_FEC_CQE_CNT EHCA_BMASK_IBM(32, 63)
+#define CQX_FECADDER EHCA_BMASK_IBM(32, 63)
+#define CQX_N0_GENERATE_SOLICITED_COMP_EVENT EHCA_BMASK_IBM(0, 0)
+#define CQX_N1_GENERATE_COMP_EVENT EHCA_BMASK_IBM(0, 0)
-#define CQTEMM_OFFSET(x) offsetof(struct hipz_cqtemm,x)
+#define CQTEMM_OFFSET(x) offsetof(struct hipz_cqtemm, x)
/* EQ Table Entry Memory Map */
struct hipz_eqtemm {
@@ -293,7 +293,7 @@ struct hipz_eqtemm {
};
-#define EQTEMM_OFFSET(x) offsetof(struct hipz_eqtemm,x)
+#define EQTEMM_OFFSET(x) offsetof(struct hipz_eqtemm, x)
/* access control defines for MR/MW */
#define HIPZ_ACCESSCTRL_L_WRITE 0x00800000
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index bf7a40088f61..9606f13ed092 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
@@ -114,7 +114,7 @@ int ipz_queue_ctor(struct ipz_queue *queue,
*/
f = 0;
while (f < nr_of_pages) {
- u8 *kpage = (u8*)get_zeroed_page(GFP_KERNEL);
+ u8 *kpage = (u8 *)get_zeroed_page(GFP_KERNEL);
int k;
if (!kpage)
goto ipz_queue_ctor_exit0; /*NOMEM*/
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.h b/drivers/infiniband/hw/ehca/ipz_pt_fn.h
index 007f0882fd40..39a4f64aff41 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.h
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.h
@@ -240,7 +240,7 @@ void *ipz_qeit_eq_get_inc(struct ipz_queue *queue);
static inline void *ipz_eqit_eq_get_inc_valid(struct ipz_queue *queue)
{
void *ret = ipz_qeit_get(queue);
- u32 qe = *(u8 *) ret;
+ u32 qe = *(u8 *)ret;
if ((qe >> 7) != (queue->toggle_state & 1))
return NULL;
ipz_qeit_eq_get_inc(queue); /* this is a good one */
@@ -250,7 +250,7 @@ static inline void *ipz_eqit_eq_get_inc_valid(struct ipz_queue *queue)
static inline void *ipz_eqit_eq_peek_valid(struct ipz_queue *queue)
{
void *ret = ipz_qeit_get(queue);
- u32 qe = *(u8 *) ret;
+ u32 qe = *(u8 *)ret;
if ((qe >> 7) != (queue->toggle_state & 1))
return NULL;
return ret;