diff options
author | Michael Ellerman <michael@ellerman.id.au> | 2012-07-25 21:19:53 (GMT) |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-05 05:18:45 (GMT) |
commit | b4b8d1e48e05313b163a36946be1a82e5bc5f9ad (patch) | |
tree | fe8f502ead38666aae28e573465b7ecc48f6ba6a | |
parent | 579468a9f4634c18a59ce8435c12b0623c8b924f (diff) | |
download | linux-b4b8d1e48e05313b163a36946be1a82e5bc5f9ad.tar.xz |
IB/ehca: Remove uses of virt_to_abs() and abs_to_virt()
abs_to_virt() simply calls __va() and we'd like to get rid of it,
so replace all abs_to_virt() uses with __va().
__va() returns void *, so when assigning to a pointer there's no need
to cast.
Similarly virt_to_abs() just calls __pa().
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r-- | drivers/infiniband/hw/ehca/ehca_cq.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/ehca/ehca_eq.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/ehca/ehca_mrmw.c | 16 | ||||
-rw-r--r-- | drivers/infiniband/hw/ehca/ehca_qp.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/ehca/ehca_reqs.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/ehca/ehca_tools.h | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/ehca/hcp_if.c | 12 | ||||
-rw-r--r-- | drivers/infiniband/hw/ehca/ipz_pt_fn.c | 2 |
8 files changed, 21 insertions, 22 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index d9b0ebc..8f52901 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -220,7 +220,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, cq = ERR_PTR(-EAGAIN); goto create_cq_exit4; } - rpage = virt_to_abs(vpage); + rpage = __pa(vpage); h_ret = hipz_h_register_rpage_cq(adapter_handle, my_cq->ipz_cq_handle, diff --git a/drivers/infiniband/hw/ehca/ehca_eq.c b/drivers/infiniband/hw/ehca/ehca_eq.c index 818d721..90da674 100644 --- a/drivers/infiniband/hw/ehca/ehca_eq.c +++ b/drivers/infiniband/hw/ehca/ehca_eq.c @@ -101,7 +101,7 @@ int ehca_create_eq(struct ehca_shca *shca, if (!vpage) goto create_eq_exit2; - rpage = virt_to_abs(vpage); + rpage = __pa(vpage); h_ret = hipz_h_register_rpage_eq(shca->ipz_hca_handle, eq->ipz_eq_handle, &eq->pf, diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index 47baa54..8784486 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -1136,7 +1136,7 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, } if (rnum > 1) { - rpage = virt_to_abs(kpage); + rpage = __pa(kpage); if (!rpage) { ehca_err(&shca->ib_device, "kpage=%p i=%x", kpage, i); @@ -1231,7 +1231,7 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca, pginfo->num_kpages, pginfo->num_hwpages, kpage); goto ehca_rereg_mr_rereg1_exit1; } - rpage = virt_to_abs(kpage); + rpage = __pa(kpage); if (!rpage) { ehca_err(&shca->ib_device, "kpage=%p", kpage); ret = -EFAULT; @@ -1525,7 +1525,7 @@ static inline void *ehca_calc_sectbase(int top, int dir, int idx) unsigned long ret = idx; ret |= dir << EHCA_DIR_INDEX_SHIFT; ret |= top << EHCA_TOP_INDEX_SHIFT; - return abs_to_virt(ret << SECTION_SIZE_BITS); + return __va(ret << SECTION_SIZE_BITS); } #define ehca_bmap_valid(entry) \ @@ -1537,7 +1537,7 @@ static u64 ehca_reg_mr_section(int top, int dir, int idx, u64 *kpage, { u64 h_ret = 0; unsigned long page = 0; - u64 rpage = virt_to_abs(kpage); + u64 rpage = __pa(kpage); int page_count; void *sectbase = ehca_calc_sectbase(top, dir, idx); @@ -1553,7 +1553,7 @@ static u64 ehca_reg_mr_section(int top, int dir, int idx, u64 *kpage, for (rnum = 0; (rnum < MAX_RPAGES) && (page < page_count); rnum++) { void *pg = sectbase + ((page++) * pginfo->hwpage_size); - kpage[rnum] = virt_to_abs(pg); + kpage[rnum] = __pa(pg); } h_ret = hipz_h_register_rpage_mr(shca->ipz_hca_handle, mr, @@ -1926,7 +1926,7 @@ static int ehca_check_kpages_per_ate(struct scatterlist *page_list, u64 pgaddr = page_to_pfn(sg_page(&page_list[t])) << PAGE_SHIFT; if (ehca_debug_level >= 3) ehca_gen_dbg("chunk_page=%llx value=%016llx", pgaddr, - *(u64 *)abs_to_virt(pgaddr)); + *(u64 *)__va(pgaddr)); if (pgaddr - PAGE_SIZE != *prev_pgaddr) { ehca_gen_err("uncontiguous page found pgaddr=%llx " "prev_pgaddr=%llx page_list_i=%x", @@ -1993,7 +1993,7 @@ static int ehca_set_pagebuf_user2(struct ehca_mr_pginfo *pginfo, ~(pginfo->hwpage_size - 1); } if (ehca_debug_level >= 3) { - u64 val = *(u64 *)abs_to_virt(pgaddr); + u64 val = *(u64 *)__va(pgaddr); ehca_gen_dbg("kpage=%llx chunk_page=%llx " "value=%016llx", *kpage, pgaddr, val); @@ -2503,7 +2503,7 @@ static u64 ehca_map_vaddr(void *caddr) if (!ehca_bmap) return EHCA_INVAL_ADDR; - abs_addr = virt_to_abs(caddr); + abs_addr = __pa(caddr); top = ehca_calc_index(abs_addr, EHCA_TOP_INDEX_SHIFT + EHCA_SECTSHIFT); if (!ehca_bmap_valid(ehca_bmap->top[top])) return EHCA_INVAL_ADDR; diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 964f855..1493939 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -321,7 +321,7 @@ static inline int init_qp_queue(struct ehca_shca *shca, ret = -EINVAL; goto init_qp_queue1; } - rpage = virt_to_abs(vpage); + rpage = __pa(vpage); h_ret = hipz_h_register_rpage_qp(ipz_hca_handle, my_qp->ipz_qp_handle, @@ -1094,7 +1094,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca, ehca_dbg(&shca->ib_device, "qp_num=%x bad_send_wqe_p=%p", qp_num, bad_send_wqe_p); /* convert wqe pointer to vadr */ - bad_send_wqe_v = abs_to_virt((u64)bad_send_wqe_p); + bad_send_wqe_v = __va((u64)bad_send_wqe_p); if (ehca_debug_level >= 2) ehca_dmp(bad_send_wqe_v, 32, "qp_num=%x bad_wqe", qp_num); squeue = &my_qp->ipz_squeue; @@ -1138,7 +1138,7 @@ static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue, /* convert real to abs address */ wqe_p = wqe_p & (~(1UL << 63)); - wqe_v = abs_to_virt(wqe_p); + wqe_v = __va(wqe_p); if (ipz_queue_abs_to_offset(ipz_queue, wqe_p, &q_ofs)) { ehca_gen_err("Invalid offset for calculating left cqes " diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c index fd05f48..47f9498 100644 --- a/drivers/infiniband/hw/ehca/ehca_reqs.c +++ b/drivers/infiniband/hw/ehca/ehca_reqs.c @@ -135,7 +135,7 @@ 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 = __va(sge->addr); ehca_gen_dbg("send_wr#%x sge#%x addr=%p length=%x " "lkey=%x", idx, j, data, sge->length, sge->lkey); diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h index 54c0d23..d280b12 100644 --- a/drivers/infiniband/hw/ehca/ehca_tools.h +++ b/drivers/infiniband/hw/ehca/ehca_tools.h @@ -59,7 +59,6 @@ #include <linux/device.h> #include <linux/atomic.h> -#include <asm/abs_addr.h> #include <asm/ibmebus.h> #include <asm/io.h> #include <asm/pgtable.h> diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c index e6f9cdd..2d41d04 100644 --- a/drivers/infiniband/hw/ehca/hcp_if.c +++ b/drivers/infiniband/hw/ehca/hcp_if.c @@ -396,7 +396,7 @@ u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle, struct hipz_query_port *query_port_response_block) { u64 ret; - u64 r_cb = virt_to_abs(query_port_response_block); + u64 r_cb = __pa(query_port_response_block); if (r_cb & (EHCA_PAGESIZE-1)) { ehca_gen_err("response block not page aligned"); @@ -438,7 +438,7 @@ u64 hipz_h_modify_port(const struct ipz_adapter_handle adapter_handle, u64 hipz_h_query_hca(const struct ipz_adapter_handle adapter_handle, struct hipz_query_hca *query_hca_rblock) { - u64 r_cb = virt_to_abs(query_hca_rblock); + u64 r_cb = __pa(query_hca_rblock); if (r_cb & (EHCA_PAGESIZE-1)) { ehca_gen_err("response_block=%p not page aligned", @@ -577,7 +577,7 @@ u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle, adapter_handle.handle, /* r4 */ qp_handle.handle, /* r5 */ update_mask, /* r6 */ - virt_to_abs(mqpcb), /* r7 */ + __pa(mqpcb), /* r7 */ 0, 0, 0, 0, 0); if (ret == H_NOT_ENOUGH_RESOURCES) @@ -595,7 +595,7 @@ u64 hipz_h_query_qp(const struct ipz_adapter_handle adapter_handle, return ehca_plpar_hcall_norets(H_QUERY_QP, adapter_handle.handle, /* r4 */ qp_handle.handle, /* r5 */ - virt_to_abs(qqpcb), /* r6 */ + __pa(qqpcb), /* r6 */ 0, 0, 0, 0); } @@ -787,7 +787,7 @@ u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle, if (count > 1) { u64 *kpage; int i; - kpage = (u64 *)abs_to_virt(logical_address_of_page); + kpage = __va(logical_address_of_page); for (i = 0; i < count; i++) ehca_gen_dbg("kpage[%d]=%p", i, (void *)kpage[i]); @@ -944,7 +944,7 @@ u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle, void *rblock, unsigned long *byte_count) { - u64 r_cb = virt_to_abs(rblock); + u64 r_cb = __pa(rblock); if (r_cb & (EHCA_PAGESIZE-1)) { ehca_gen_err("rblock not page aligned."); diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c index 1898d6e..62c71fa 100644 --- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c +++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c @@ -81,7 +81,7 @@ int ipz_queue_abs_to_offset(struct ipz_queue *queue, u64 addr, u64 *q_offset) { int i; for (i = 0; i < queue->queue_length / queue->pagesize; i++) { - u64 page = (u64)virt_to_abs(queue->queue_pages[i]); + u64 page = __pa(queue->queue_pages[i]); if (addr >= page && addr < page + queue->pagesize) { *q_offset = addr - page + i * queue->pagesize; return 0; |