[2.6 patch] drivers/infiniband/hw/cxgb3/: possible cleanups

From: Adrian Bunk
Date: Mon Feb 19 2007 - 19:03:18 EST

This patch contains the following possible cleanups:
- don't mark static functions in C files as inline - gcc should know
best whether inlining makes sense
- never compile the unused cxio_dbg.c
- make the following needlessly global functions static:
- cxio_hal.c: cxio_hal_clear_qp_ctx()
- iwch_provider.c: iwch_get_qp()
- #if 0 the following unused global functions:
- cxio_hal.c: cxio_allocate_stag()
- cxio_resource.: cxio_hal_get_rhdl()
- cxio_resource.: cxio_hal_put_rhdl()

Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

---

drivers/infiniband/hw/cxgb3/Makefile | 1
drivers/infiniband/hw/cxgb3/cxio_hal.c | 22 +++++++--------
drivers/infiniband/hw/cxgb3/cxio_hal.h | 5 ---
drivers/infiniband/hw/cxgb3/cxio_resource.c | 8 ++++-
drivers/infiniband/hw/cxgb3/iwch_cm.c | 5 +--
drivers/infiniband/hw/cxgb3/iwch_provider.c | 2 -
drivers/infiniband/hw/cxgb3/iwch_provider.h | 1
drivers/infiniband/hw/cxgb3/iwch_qp.c | 29 ++++++++------------
8 files changed, 33 insertions(+), 40 deletions(-)

--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/Makefile.old 2007-02-17 17:21:03.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/Makefile 2007-02-17 17:21:08.000000000 +0100
@@ -8,5 +8,4 @@

ifdef CONFIG_INFINIBAND_CXGB3_DEBUG
EXTRA_CFLAGS += -DDEBUG
-iw_cxgb3-y += cxio_dbg.o
endif
--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/cxio_hal.h.old 2007-02-17 17:22:53.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/cxio_hal.h 2007-02-17 17:25:08.000000000 +0100
@@ -144,7 +144,6 @@
void cxio_rdev_close(struct cxio_rdev *rdev);
int cxio_hal_cq_op(struct cxio_rdev *rdev, struct t3_cq *cq,
enum t3_cq_opcode op, u32 credit);
-int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev, u32 qpid);
int cxio_create_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
int cxio_destroy_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
int cxio_resize_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
@@ -155,8 +154,6 @@
int cxio_destroy_qp(struct cxio_rdev *rdev, struct t3_wq *wq,
struct cxio_ucontext *uctx);
int cxio_peek_cq(struct t3_wq *wr, struct t3_cq *cq, int opcode);
-int cxio_allocate_stag(struct cxio_rdev *rdev, u32 * stag, u32 pdid,
- enum tpt_mem_perm perm, u32 * pbl_size, u32 * pbl_addr);
int cxio_register_phys_mem(struct cxio_rdev *rdev, u32 * stag, u32 pdid,
enum tpt_mem_perm perm, u32 zbva, u64 to, u32 len,
u8 page_size, __be64 *pbl, u32 *pbl_size,
@@ -172,8 +169,6 @@
int cxio_rdma_init(struct cxio_rdev *rdev, struct t3_rdma_init_attr *attr);
void cxio_register_ev_cb(cxio_hal_ev_callback_func_t ev_cb);
void cxio_unregister_ev_cb(cxio_hal_ev_callback_func_t ev_cb);
-u32 cxio_hal_get_rhdl(void);
-void cxio_hal_put_rhdl(u32 rhdl);
u32 cxio_hal_get_pdid(struct cxio_hal_resource *rscp);
void cxio_hal_put_pdid(struct cxio_hal_resource *rscp, u32 pdid);
int __init cxio_hal_init(void);
--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/cxio_hal.c.old 2007-02-17 17:23:11.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/cxio_hal.c 2007-02-17 17:36:40.000000000 +0100
@@ -46,7 +46,7 @@
static LIST_HEAD(rdev_list);
static cxio_hal_ev_callback_func_t cxio_ev_cb = NULL;

-static inline struct cxio_rdev *cxio_hal_find_rdev_by_name(char *dev_name)
+static struct cxio_rdev *cxio_hal_find_rdev_by_name(char *dev_name)
{
struct cxio_rdev *rdev;

@@ -56,8 +56,7 @@
return NULL;
}

-static inline struct cxio_rdev *cxio_hal_find_rdev_by_t3cdev(struct t3cdev
- *tdev)
+static struct cxio_rdev *cxio_hal_find_rdev_by_t3cdev(struct t3cdev *tdev)
{
struct cxio_rdev *rdev;

@@ -119,7 +118,7 @@
return 0;
}

-static inline int cxio_hal_clear_cq_ctx(struct cxio_rdev *rdev_p, u32 cqid)
+static int cxio_hal_clear_cq_ctx(struct cxio_rdev *rdev_p, u32 cqid)
{
struct rdma_cq_setup setup;
setup.id = cqid;
@@ -131,7 +130,7 @@
return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
}

-int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
+static int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
{
u64 sge_cmd;
struct t3_modify_qp_wr *wqe;
@@ -426,7 +425,7 @@
}
}

-static inline int cqe_completes_wr(struct t3_cqe *cqe, struct t3_wq *wq)
+static int cqe_completes_wr(struct t3_cqe *cqe, struct t3_wq *wq)
{
if (CQE_OPCODE(*cqe) == T3_TERMINATE)
return 0;
@@ -761,6 +760,7 @@
return err;
}

+#if 0
/* IN : stag key, pdid, pbl_size
* Out: stag index, actaul pbl_size, and pbl_addr allocated.
*/
@@ -771,6 +771,7 @@
return (__cxio_tpt_op(rdev_p, 0, stag, 0, pdid, TPT_NON_SHARED_MR,
perm, 0, 0ULL, 0, 0, NULL, pbl_size, pbl_addr));
}
+#endif /* 0 */

int cxio_register_phys_mem(struct cxio_rdev *rdev_p, u32 *stag, u32 pdid,
enum tpt_mem_perm perm, u32 zbva, u64 to, u32 len,
@@ -1030,7 +1031,7 @@
cxio_hal_destroy_rhdl_resource();
}

-static inline void flush_completed_wrs(struct t3_wq *wq, struct t3_cq *cq)
+static void flush_completed_wrs(struct t3_wq *wq, struct t3_cq *cq)
{
struct t3_swsq *sqp;
__u32 ptr = wq->sq_rptr;
@@ -1059,9 +1060,8 @@
break;
}

-static inline void create_read_req_cqe(struct t3_wq *wq,
- struct t3_cqe *hw_cqe,
- struct t3_cqe *read_cqe)
+static void create_read_req_cqe(struct t3_wq *wq, struct t3_cqe *hw_cqe,
+ struct t3_cqe *read_cqe)
{
read_cqe->u.scqe.wrid_hi = wq->oldest_read->sq_wptr;
read_cqe->len = wq->oldest_read->read_len;
@@ -1074,7 +1074,7 @@
/*
* Return a ptr to the next read wr in the SWSQ or NULL.
*/
-static inline void advance_oldest_read(struct t3_wq *wq)
+static void advance_oldest_read(struct t3_wq *wq)
{

u32 rptr = wq->oldest_read - wq->sq + 1;
--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/cxio_resource.c.old 2007-02-17 17:24:42.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/cxio_resource.c 2007-02-17 17:27:17.000000000 +0100
@@ -180,7 +180,7 @@
/*
* returns 0 if no resource available
*/
-static inline u32 cxio_hal_get_resource(struct kfifo *fifo)
+static u32 cxio_hal_get_resource(struct kfifo *fifo)
{
u32 entry;
if (kfifo_get(fifo, (unsigned char *) &entry, sizeof(u32)))
@@ -189,11 +189,13 @@
return 0; /* fifo emptry */
}

-static inline void cxio_hal_put_resource(struct kfifo *fifo, u32 entry)
+static void cxio_hal_put_resource(struct kfifo *fifo, u32 entry)
{
BUG_ON(kfifo_put(fifo, (unsigned char *) &entry, sizeof(u32)) == 0);
}

+#if 0
+
u32 cxio_hal_get_rhdl(void)
{
return cxio_hal_get_resource(rhdl_fifo);
@@ -204,6 +206,8 @@
cxio_hal_put_resource(rhdl_fifo, rhdl);
}

+#endif /* 0 */
+
u32 cxio_hal_get_stag(struct cxio_hal_resource *rscp)
{
return cxio_hal_get_resource(rscp->tpt_fifo);
--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_provider.h.old 2007-02-17 17:25:35.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_provider.h 2007-02-17 17:25:41.000000000 +0100
@@ -179,7 +179,6 @@

void iwch_qp_add_ref(struct ib_qp *qp);
void iwch_qp_rem_ref(struct ib_qp *qp);
-struct ib_qp *iwch_get_qp(struct ib_device *dev, int qpn);

struct iwch_ucontext {
struct ib_ucontext ibucontext;
--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_provider.c.old 2007-02-17 17:25:50.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_provider.c 2007-02-17 17:25:57.000000000 +0100
@@ -949,7 +949,7 @@
wake_up(&(to_iwch_qp(qp)->wait));
}

-struct ib_qp *iwch_get_qp(struct ib_device *dev, int qpn)
+static struct ib_qp *iwch_get_qp(struct ib_device *dev, int qpn)
{
PDBG("%s ib_dev %p qpn 0x%x\n", __FUNCTION__, dev, qpn);
return (struct ib_qp *)get_qhp(to_iwch_dev(dev), qpn);
--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_qp.c.old 2007-02-17 17:27:31.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_qp.c 2007-02-17 17:38:07.000000000 +0100
@@ -37,8 +37,8 @@

#define NO_SUPPORT -1

-static inline int iwch_build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 * flit_cnt)
+static int iwch_build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
+ u8 * flit_cnt)
{
int i;
u32 plen;
@@ -97,8 +97,8 @@
return 0;
}

-static inline int iwch_build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int iwch_build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
int i;
u32 plen;
@@ -138,8 +138,8 @@
return 0;
}

-static inline int iwch_build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int iwch_build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
if (wr->num_sge > 1)
return -EINVAL;
@@ -159,9 +159,8 @@
/*
* TBD: this is going to be moved to firmware. Missing pdid/qpid check for now.
*/
-static inline int iwch_sgl2pbl_map(struct iwch_dev *rhp,
- struct ib_sge *sg_list, u32 num_sgle,
- u32 * pbl_addr, u8 * page_size)
+static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
+ u32 num_sgle, u32 * pbl_addr, u8 * page_size)
{
int i;
struct iwch_mr *mhp;
@@ -207,9 +206,8 @@
return 0;
}

-static inline int iwch_build_rdma_recv(struct iwch_dev *rhp,
- union t3_wr *wqe,
- struct ib_recv_wr *wr)
+static int iwch_build_rdma_recv(struct iwch_dev *rhp, union t3_wr *wqe,
+ struct ib_recv_wr *wr)
{
int i, err = 0;
u32 pbl_addr[4];
@@ -474,8 +472,7 @@
return err;
}

-static inline void build_term_codes(int t3err, u8 *layer_type, u8 *ecode,
- int tagged)
+static void build_term_codes(int t3err, u8 *layer_type, u8 *ecode, int tagged)
{
switch (t3err) {
case TPT_ERR_STAG:
@@ -673,7 +670,7 @@
spin_lock_irqsave(&qhp->lock, *flag);
}

-static inline void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
+static void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
{
if (t3b_device(qhp->rhp))
cxio_set_wq_in_error(&qhp->wq);
@@ -685,7 +682,7 @@
/*
* Return non zero if at least one RECV was pre-posted.
*/
-static inline int rqes_posted(struct iwch_qp *qhp)
+static int rqes_posted(struct iwch_qp *qhp)
{
return fw_riwrh_opcode((struct fw_riwrh *)qhp->wq.queue) == T3_WR_RCV;
}
--- linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_cm.c.old 2007-02-17 17:27:53.000000000 +0100
+++ linux-2.6.20-mm1/drivers/infiniband/hw/cxgb3/iwch_cm.c 2007-02-17 17:38:23.000000000 +0100
@@ -210,8 +210,7 @@
return state;
}

-static inline void __state_set(struct iwch_ep_common *epc,
- enum iwch_ep_state new)
+static void __state_set(struct iwch_ep_common *epc, enum iwch_ep_state new)
{
epc->state = new;
}
@@ -1460,7 +1459,7 @@
/*
* Returns whether an ABORT_REQ_RSS message is a negative advice.
*/
-static inline int is_neg_adv_abort(unsigned int status)
+static int is_neg_adv_abort(unsigned int status)
{
return status == CPL_ERR_RTX_NEG_ADVICE ||
status == CPL_ERR_PERSIST_NEG_ADVICE;

-
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