diff options
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_alloc.c | 43 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 64 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hem.c | 105 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hem.h | 6 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 70 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_mr.c | 521 |
6 files changed, 2 insertions, 807 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_alloc.c b/drivers/infiniband/hw/hns/hns_roce_alloc.c index e04e7596d979..365e7db6c498 100644 --- a/drivers/infiniband/hw/hns/hns_roce_alloc.c +++ b/drivers/infiniband/hw/hns/hns_roce_alloc.c @@ -283,49 +283,6 @@ done: return total; } -void hns_roce_init_buf_region(struct hns_roce_buf_region *region, int hopnum, - int offset, int buf_cnt) -{ - if (hopnum == HNS_ROCE_HOP_NUM_0) - region->hopnum = 0; - else - region->hopnum = hopnum; - - region->offset = offset; - region->count = buf_cnt; -} - -void hns_roce_free_buf_list(dma_addr_t **bufs, int region_cnt) -{ - int i; - - for (i = 0; i < region_cnt; i++) { - kfree(bufs[i]); - bufs[i] = NULL; - } -} - -int hns_roce_alloc_buf_list(struct hns_roce_buf_region *regions, - dma_addr_t **bufs, int region_cnt) -{ - struct hns_roce_buf_region *r; - int i; - - for (i = 0; i < region_cnt; i++) { - r = ®ions[i]; - bufs[i] = kcalloc(r->count, sizeof(dma_addr_t), GFP_KERNEL); - if (!bufs[i]) - goto err_alloc; - } - - return 0; - -err_alloc: - hns_roce_free_buf_list(bufs, i); - - return -ENOMEM; -} - void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev) { if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ) diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 1089db8ad0b5..da3850aeeb14 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -222,13 +222,6 @@ enum { HNS_ROCE_CAP_FLAG_ATOMIC = BIT(10), }; -enum hns_roce_mtt_type { - MTT_TYPE_WQE, - MTT_TYPE_CQE, - MTT_TYPE_SRQWQE, - MTT_TYPE_IDX -}; - #define HNS_ROCE_DB_TYPE_COUNT 2 #define HNS_ROCE_DB_UNIT_SIZE 4 @@ -267,8 +260,6 @@ enum { #define HNS_ROCE_PORT_DOWN 0 #define HNS_ROCE_PORT_UP 1 -#define HNS_ROCE_MTT_ENTRY_PER_SEG 8 - #define PAGE_ADDR_SHIFT 12 /* The minimum page count for hardware access page directly. */ @@ -303,22 +294,6 @@ struct hns_roce_bitmap { unsigned long *table; }; -/* Order bitmap length -- bit num compute formula: 1 << (max_order - order) */ -/* Order = 0: bitmap is biggest, order = max bitmap is least (only a bit) */ -/* Every bit repesent to a partner free/used status in bitmap */ -/* - * Initial, bits of other bitmap are all 0 except that a bit of max_order is 1 - * Bit = 1 represent to idle and available; bit = 0: not available - */ -struct hns_roce_buddy { - /* Members point to every order level bitmap */ - unsigned long **bits; - /* Represent to avail bits of the order level bitmap */ - u32 *num_free; - int max_order; - spinlock_t lock; -}; - /* For Hardware Entry Memory */ struct hns_roce_hem_table { /* HEM type: 0 = qpc, 1 = mtt, 2 = cqc, 3 = srq, 4 = other */ @@ -339,13 +314,6 @@ struct hns_roce_hem_table { dma_addr_t *bt_l0_dma_addr; }; -struct hns_roce_mtt { - unsigned long first_seg; - int order; - int page_shift; - enum hns_roce_mtt_type mtt_type; -}; - struct hns_roce_buf_region { int offset; /* page offset */ u32 count; /* page count */ @@ -418,15 +386,7 @@ struct hns_roce_mr { struct hns_roce_mr_table { struct hns_roce_bitmap mtpt_bitmap; - struct hns_roce_buddy mtt_buddy; - struct hns_roce_hem_table mtt_table; struct hns_roce_hem_table mtpt_table; - struct hns_roce_buddy mtt_cqe_buddy; - struct hns_roce_hem_table mtt_cqe_table; - struct hns_roce_buddy mtt_srqwqe_buddy; - struct hns_roce_hem_table mtt_srqwqe_table; - struct hns_roce_buddy mtt_idx_buddy; - struct hns_roce_hem_table mtt_idx_table; }; struct hns_roce_wq { @@ -1141,21 +1101,6 @@ void hns_roce_cmd_event(struct hns_roce_dev *hr_dev, u16 token, u8 status, int hns_roce_cmd_use_events(struct hns_roce_dev *hr_dev); void hns_roce_cmd_use_polling(struct hns_roce_dev *hr_dev); -int hns_roce_mtt_init(struct hns_roce_dev *hr_dev, int npages, int page_shift, - struct hns_roce_mtt *mtt); -void hns_roce_mtt_cleanup(struct hns_roce_dev *hr_dev, - struct hns_roce_mtt *mtt); -int hns_roce_buf_write_mtt(struct hns_roce_dev *hr_dev, - struct hns_roce_mtt *mtt, struct hns_roce_buf *buf); - -void hns_roce_mtr_init(struct hns_roce_mtr *mtr, int bt_pg_shift, - int buf_pg_shift); -int hns_roce_mtr_attach(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, - dma_addr_t **bufs, struct hns_roce_buf_region *regions, - int region_cnt); -void hns_roce_mtr_cleanup(struct hns_roce_dev *hr_dev, - struct hns_roce_mtr *mtr); - /* hns roce hw need current block and next block addr from mtt */ #define MTT_MIN_COUNT 2 int hns_roce_mtr_find(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, @@ -1228,15 +1173,6 @@ void hns_roce_buf_free(struct hns_roce_dev *hr_dev, struct hns_roce_buf *buf); int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct, struct hns_roce_buf *buf, u32 page_shift); -int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev, - struct hns_roce_mtt *mtt, struct ib_umem *umem); - -void hns_roce_init_buf_region(struct hns_roce_buf_region *region, int hopnum, - int offset, int buf_cnt); -int hns_roce_alloc_buf_list(struct hns_roce_buf_region *regions, - dma_addr_t **bufs, int count); -void hns_roce_free_buf_list(dma_addr_t **bufs, int count); - int hns_roce_get_kmem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs, int buf_cnt, int start, struct hns_roce_buf *buf); int hns_roce_get_umem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs, diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index a245e753afe9..37d101eec181 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -75,18 +75,6 @@ bool hns_roce_check_whether_mhop(struct hns_roce_dev *hr_dev, u32 type) case HEM_TYPE_CQC_TIMER: hop_num = hr_dev->caps.cqc_timer_hop_num; break; - case HEM_TYPE_CQE: - hop_num = hr_dev->caps.cqe_hop_num; - break; - case HEM_TYPE_MTT: - hop_num = hr_dev->caps.mtt_hop_num; - break; - case HEM_TYPE_SRQWQE: - hop_num = hr_dev->caps.srqwqe_hop_num; - break; - case HEM_TYPE_IDX: - hop_num = hr_dev->caps.idx_hop_num; - break; default: return false; } @@ -195,38 +183,6 @@ static int get_hem_table_config(struct hns_roce_dev *hr_dev, mhop->ba_l0_num = hr_dev->caps.srqc_bt_num; mhop->hop_num = hr_dev->caps.srqc_hop_num; break; - case HEM_TYPE_MTT: - mhop->buf_chunk_size = 1 << (hr_dev->caps.mtt_buf_pg_sz - + PAGE_SHIFT); - mhop->bt_chunk_size = 1 << (hr_dev->caps.mtt_ba_pg_sz - + PAGE_SHIFT); - mhop->ba_l0_num = mhop->bt_chunk_size / BA_BYTE_LEN; - mhop->hop_num = hr_dev->caps.mtt_hop_num; - break; - case HEM_TYPE_CQE: - mhop->buf_chunk_size = 1 << (hr_dev->caps.cqe_buf_pg_sz - + PAGE_SHIFT); - mhop->bt_chunk_size = 1 << (hr_dev->caps.cqe_ba_pg_sz - + PAGE_SHIFT); - mhop->ba_l0_num = mhop->bt_chunk_size / BA_BYTE_LEN; - mhop->hop_num = hr_dev->caps.cqe_hop_num; - break; - case HEM_TYPE_SRQWQE: - mhop->buf_chunk_size = 1 << (hr_dev->caps.srqwqe_buf_pg_sz - + PAGE_SHIFT); - mhop->bt_chunk_size = 1 << (hr_dev->caps.srqwqe_ba_pg_sz - + PAGE_SHIFT); - mhop->ba_l0_num = mhop->bt_chunk_size / BA_BYTE_LEN; - mhop->hop_num = hr_dev->caps.srqwqe_hop_num; - break; - case HEM_TYPE_IDX: - mhop->buf_chunk_size = 1 << (hr_dev->caps.idx_buf_pg_sz - + PAGE_SHIFT); - mhop->bt_chunk_size = 1 << (hr_dev->caps.idx_ba_pg_sz - + PAGE_SHIFT); - mhop->ba_l0_num = mhop->bt_chunk_size / BA_BYTE_LEN; - mhop->hop_num = hr_dev->caps.idx_hop_num; - break; default: dev_err(dev, "Table %d not support multi-hop addressing!\n", type); @@ -899,57 +855,6 @@ out: return addr; } -int hns_roce_table_get_range(struct hns_roce_dev *hr_dev, - struct hns_roce_hem_table *table, - unsigned long start, unsigned long end) -{ - struct hns_roce_hem_mhop mhop; - unsigned long inc = table->table_chunk_size / table->obj_size; - unsigned long i = 0; - int ret; - - if (hns_roce_check_whether_mhop(hr_dev, table->type)) { - ret = hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop); - if (ret) - goto fail; - inc = mhop.bt_chunk_size / table->obj_size; - } - - /* Allocate MTT entry memory according to chunk(128K) */ - for (i = start; i <= end; i += inc) { - ret = hns_roce_table_get(hr_dev, table, i); - if (ret) - goto fail; - } - - return 0; - -fail: - while (i > start) { - i -= inc; - hns_roce_table_put(hr_dev, table, i); - } - return ret; -} - -void hns_roce_table_put_range(struct hns_roce_dev *hr_dev, - struct hns_roce_hem_table *table, - unsigned long start, unsigned long end) -{ - struct hns_roce_hem_mhop mhop; - unsigned long inc = table->table_chunk_size / table->obj_size; - unsigned long i; - - if (hns_roce_check_whether_mhop(hr_dev, table->type)) { - if (hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop)) - return; - inc = mhop.bt_chunk_size / table->obj_size; - } - - for (i = start; i <= end; i += inc) - hns_roce_table_put(hr_dev, table, i); -} - int hns_roce_init_hem_table(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table, u32 type, unsigned long obj_size, unsigned long nobj, @@ -1112,12 +1017,6 @@ void hns_roce_cleanup_hem_table(struct hns_roce_dev *hr_dev, void hns_roce_cleanup_hem(struct hns_roce_dev *hr_dev) { - if ((hr_dev->caps.num_idx_segs)) - hns_roce_cleanup_hem_table(hr_dev, - &hr_dev->mr_table.mtt_idx_table); - if (hr_dev->caps.num_srqwqe_segs) - hns_roce_cleanup_hem_table(hr_dev, - &hr_dev->mr_table.mtt_srqwqe_table); if (hr_dev->caps.srqc_entry_sz) hns_roce_cleanup_hem_table(hr_dev, &hr_dev->srq_table.table); @@ -1137,10 +1036,6 @@ void hns_roce_cleanup_hem(struct hns_roce_dev *hr_dev) hns_roce_cleanup_hem_table(hr_dev, &hr_dev->qp_table.irrl_table); hns_roce_cleanup_hem_table(hr_dev, &hr_dev->qp_table.qp_table); hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtpt_table); - if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) - hns_roce_cleanup_hem_table(hr_dev, - &hr_dev->mr_table.mtt_cqe_table); - hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtt_table); } struct roce_hem_item { diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.h b/drivers/infiniband/hw/hns/hns_roce_hem.h index a00b6c27735a..1fa0bdcb1989 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.h +++ b/drivers/infiniband/hw/hns/hns_roce_hem.h @@ -115,12 +115,6 @@ void hns_roce_table_put(struct hns_roce_dev *hr_dev, void *hns_roce_table_find(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table, unsigned long obj, dma_addr_t *dma_handle); -int hns_roce_table_get_range(struct hns_roce_dev *hr_dev, - struct hns_roce_hem_table *table, - unsigned long start, unsigned long end); -void hns_roce_table_put_range(struct hns_roce_dev *hr_dev, - struct hns_roce_hem_table *table, - unsigned long start, unsigned long end); int hns_roce_init_hem_table(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table, u32 type, unsigned long obj_size, unsigned long nobj, diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index d0031d559213..fd3581efe9a8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -579,33 +579,12 @@ static int hns_roce_init_hem(struct hns_roce_dev *hr_dev) int ret; struct device *dev = hr_dev->dev; - ret = hns_roce_init_hem_table(hr_dev, &hr_dev->mr_table.mtt_table, - HEM_TYPE_MTT, hr_dev->caps.mtt_entry_sz, - hr_dev->caps.num_mtt_segs, 1); - if (ret) { - dev_err(dev, "Failed to init MTT context memory, aborting.\n"); - return ret; - } - - if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) { - ret = hns_roce_init_hem_table(hr_dev, - &hr_dev->mr_table.mtt_cqe_table, - HEM_TYPE_CQE, - hr_dev->caps.mtt_entry_sz, - hr_dev->caps.num_cqe_segs, 1); - if (ret) { - dev_err(dev, - "Failed to init CQE context memory, aborting.\n"); - goto err_unmap_cqe; - } - } - ret = hns_roce_init_hem_table(hr_dev, &hr_dev->mr_table.mtpt_table, HEM_TYPE_MTPT, hr_dev->caps.mtpt_entry_sz, hr_dev->caps.num_mtpts, 1); if (ret) { dev_err(dev, "Failed to init MTPT context memory, aborting.\n"); - goto err_unmap_mtt; + return ret; } ret = hns_roce_init_hem_table(hr_dev, &hr_dev->qp_table.qp_table, @@ -660,32 +639,6 @@ static int hns_roce_init_hem(struct hns_roce_dev *hr_dev) } } - if (hr_dev->caps.num_srqwqe_segs) { - ret = hns_roce_init_hem_table(hr_dev, - &hr_dev->mr_table.mtt_srqwqe_table, - HEM_TYPE_SRQWQE, - hr_dev->caps.mtt_entry_sz, - hr_dev->caps.num_srqwqe_segs, 1); - if (ret) { - dev_err(dev, - "Failed to init MTT srqwqe memory, aborting.\n"); - goto err_unmap_srq; - } - } - - if (hr_dev->caps.num_idx_segs) { - ret = hns_roce_init_hem_table(hr_dev, - &hr_dev->mr_table.mtt_idx_table, - HEM_TYPE_IDX, - hr_dev->caps.idx_entry_sz, - hr_dev->caps.num_idx_segs, 1); - if (ret) { - dev_err(dev, - "Failed to init MTT idx memory, aborting.\n"); - goto err_unmap_srqwqe; - } - } - if (hr_dev->caps.sccc_entry_sz) { ret = hns_roce_init_hem_table(hr_dev, &hr_dev->qp_table.sccc_table, @@ -695,7 +648,7 @@ static int hns_roce_init_hem(struct hns_roce_dev *hr_dev) if (ret) { dev_err(dev, "Failed to init SCC context memory, aborting.\n"); - goto err_unmap_idx; + goto err_unmap_srq; } } @@ -733,17 +686,6 @@ err_unmap_ctx: if (hr_dev->caps.sccc_entry_sz) hns_roce_cleanup_hem_table(hr_dev, &hr_dev->qp_table.sccc_table); - -err_unmap_idx: - if (hr_dev->caps.num_idx_segs) - hns_roce_cleanup_hem_table(hr_dev, - &hr_dev->mr_table.mtt_idx_table); - -err_unmap_srqwqe: - if (hr_dev->caps.num_srqwqe_segs) - hns_roce_cleanup_hem_table(hr_dev, - &hr_dev->mr_table.mtt_srqwqe_table); - err_unmap_srq: if (hr_dev->caps.srqc_entry_sz) hns_roce_cleanup_hem_table(hr_dev, &hr_dev->srq_table.table); @@ -765,14 +707,6 @@ err_unmap_qp: err_unmap_dmpt: hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtpt_table); -err_unmap_mtt: - if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) - hns_roce_cleanup_hem_table(hr_dev, - &hr_dev->mr_table.mtt_cqe_table); - -err_unmap_cqe: - hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtt_table); - return ret; } diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index c65f1f682819..ecd76759d47a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -66,233 +66,6 @@ int hns_roce_hw_destroy_mpt(struct hns_roce_dev *hr_dev, HNS_ROCE_CMD_TIMEOUT_MSECS); } -static int hns_roce_buddy_alloc(struct hns_roce_buddy *buddy, int order, - unsigned long *seg) -{ - int o; - u32 m; - - spin_lock(&buddy->lock); - - for (o = order; o <= buddy->max_order; ++o) { - if (buddy->num_free[o]) { - m = 1 << (buddy->max_order - o); - *seg = find_first_bit(buddy->bits[o], m); - if (*seg < m) - goto found; - } - } - spin_unlock(&buddy->lock); - return -EINVAL; - - found: - clear_bit(*seg, buddy->bits[o]); - --buddy->num_free[o]; - - while (o > order) { - --o; - *seg <<= 1; - set_bit(*seg ^ 1, buddy->bits[o]); - ++buddy->num_free[o]; - } - - spin_unlock(&buddy->lock); - - *seg <<= order; - return 0; -} - -static void hns_roce_buddy_free(struct hns_roce_buddy *buddy, unsigned long seg, - int order) -{ - seg >>= order; - - spin_lock(&buddy->lock); - - while (test_bit(seg ^ 1, buddy->bits[order])) { - clear_bit(seg ^ 1, buddy->bits[order]); - --buddy->num_free[order]; - seg >>= 1; - ++order; - } - - set_bit(seg, buddy->bits[order]); - ++buddy->num_free[order]; - - spin_unlock(&buddy->lock); -} - -static int hns_roce_buddy_init(struct hns_roce_buddy *buddy, int max_order) -{ - int i, s; - - buddy->max_order = max_order; - spin_lock_init(&buddy->lock); - buddy->bits = kcalloc(buddy->max_order + 1, - sizeof(*buddy->bits), - GFP_KERNEL); - buddy->num_free = kcalloc(buddy->max_order + 1, - sizeof(*buddy->num_free), - GFP_KERNEL); - if (!buddy->bits || !buddy->num_free) - goto err_out; - - for (i = 0; i <= buddy->max_order; ++i) { - s = BITS_TO_LONGS(1 << (buddy->max_order - i)); - buddy->bits[i] = kcalloc(s, sizeof(long), GFP_KERNEL | - __GFP_NOWARN); - if (!buddy->bits[i]) { - buddy->bits[i] = vzalloc(array_size(s, sizeof(long))); - if (!buddy->bits[i]) - goto err_out_free; - } - } - - set_bit(0, buddy->bits[buddy->max_order]); - buddy->num_free[buddy->max_order] = 1; - - return 0; - -err_out_free: - for (i = 0; i <= buddy->max_order; ++i) - kvfree(buddy->bits[i]); - -err_out: - kfree(buddy->bits); - kfree(buddy->num_free); - return -ENOMEM; -} - -static void hns_roce_buddy_cleanup(struct hns_roce_buddy *buddy) -{ - int i; - - for (i = 0; i <= buddy->max_order; ++i) - kvfree(buddy->bits[i]); - - kfree(buddy->bits); - kfree(buddy->num_free); -} - -static int hns_roce_alloc_mtt_range(struct hns_roce_dev *hr_dev, int order, - unsigned long *seg, u32 mtt_type) -{ - struct hns_roce_mr_table *mr_table = &hr_dev->mr_table; - struct hns_roce_hem_table *table; - struct hns_roce_buddy *buddy; - int ret; - - switch (mtt_type) { - case MTT_TYPE_WQE: - buddy = &mr_table->mtt_buddy; - table = &mr_table->mtt_table; - break; - case MTT_TYPE_CQE: - buddy = &mr_table->mtt_cqe_buddy; - table = &mr_table->mtt_cqe_table; - break; - case MTT_TYPE_SRQWQE: - buddy = &mr_table->mtt_srqwqe_buddy; - table = &mr_table->mtt_srqwqe_table; - break; - case MTT_TYPE_IDX: - buddy = &mr_table->mtt_idx_buddy; - table = &mr_table->mtt_idx_table; - break; - default: - dev_err(hr_dev->dev, "Unsupport MTT table type: %d\n", - mtt_type); - return -EINVAL; - } - - ret = hns_roce_buddy_alloc(buddy, order, seg); - if (ret) - return ret; - - ret = hns_roce_table_get_range(hr_dev, table, *seg, - *seg + (1 << order) - 1); - if (ret) { - hns_roce_buddy_free(buddy, *seg, order); - return ret; - } - - return 0; -} - -int hns_roce_mtt_init(struct hns_roce_dev *hr_dev, int npages, int page_shift, - struct hns_roce_mtt *mtt) -{ - int ret; - int i; - - /* Page num is zero, correspond to DMA memory register */ - if (!npages) { - mtt->order = -1; - mtt->page_shift = HNS_ROCE_HEM_PAGE_SHIFT; - return 0; - } - - /* Note: if page_shift is zero, FAST memory register */ - mtt->page_shift = page_shift; - - /* Compute MTT entry necessary */ - for (mtt->order = 0, i = HNS_ROCE_MTT_ENTRY_PER_SEG; i < npages; - i <<= 1) - ++mtt->order; - - /* Allocate MTT entry */ - ret = hns_roce_alloc_mtt_range(hr_dev, mtt->order, &mtt->first_seg, - mtt->mtt_type); - if (ret) - return -ENOMEM; - - return 0; -} - -void hns_roce_mtt_cleanup(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt) -{ - struct hns_roce_mr_table *mr_table = &hr_dev->mr_table; - - if (mtt->order < 0) - return; - - switch (mtt->mtt_type) { - case MTT_TYPE_WQE: - hns_roce_buddy_free(&mr_table->mtt_buddy, mtt->first_seg, - mtt->order); - hns_roce_table_put_range(hr_dev, &mr_table->mtt_table, - mtt->first_seg, - mtt->first_seg + (1 << mtt->order) - 1); - break; - case MTT_TYPE_CQE: - hns_roce_buddy_free(&mr_table->mtt_cqe_buddy, mtt->first_seg, - mtt->order); - hns_roce_table_put_range(hr_dev, &mr_table->mtt_cqe_table, - mtt->first_seg, - mtt->first_seg + (1 << mtt->order) - 1); - break; - case MTT_TYPE_SRQWQE: - hns_roce_buddy_free(&mr_table->mtt_srqwqe_buddy, mtt->first_seg, - mtt->order); - hns_roce_table_put_range(hr_dev, &mr_table->mtt_srqwqe_table, - mtt->first_seg, - mtt->first_seg + (1 << mtt->order) - 1); - break; - case MTT_TYPE_IDX: - hns_roce_buddy_free(&mr_table->mtt_idx_buddy, mtt->first_seg, - mtt->order); - hns_roce_table_put_range(hr_dev, &mr_table->mtt_idx_table, - mtt->first_seg, - mtt->first_seg + (1 << mtt->order) - 1); - break; - default: - dev_err(hr_dev->dev, - "Unsupport mtt type %d, clean mtt failed\n", - mtt->mtt_type); - break; - } -} - static int alloc_mr_key(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr, u32 pd, u64 iova, u64 size, u32 access) { @@ -433,131 +206,6 @@ err_page: return ret; } -static int hns_roce_write_mtt_chunk(struct hns_roce_dev *hr_dev, - struct hns_roce_mtt *mtt, u32 start_index, - u32 npages, u64 *page_list) -{ - struct hns_roce_hem_table *table; - dma_addr_t dma_handle; - __le64 *mtts; - u32 bt_page_size; - u32 i; - - switch (mtt->mtt_type) { - case MTT_TYPE_WQE: - table = &hr_dev->mr_table.mtt_table; - bt_page_size = 1 << (hr_dev->caps.mtt_ba_pg_sz + PAGE_SHIFT); - break; - case MTT_TYPE_CQE: - table = &hr_dev->mr_table.mtt_cqe_table; - bt_page_size = 1 << (hr_dev->caps.cqe_ba_pg_sz + PAGE_SHIFT); - break; - case MTT_TYPE_SRQWQE: - table = &hr_dev->mr_table.mtt_srqwqe_table; - bt_page_size = 1 << (hr_dev->caps.srqwqe_ba_pg_sz + PAGE_SHIFT); - break; - case MTT_TYPE_IDX: - table = &hr_dev->mr_table.mtt_idx_table; - bt_page_size = 1 << (hr_dev->caps.idx_ba_pg_sz + PAGE_SHIFT); - break; - default: - return -EINVAL; - } - - /* All MTTs must fit in the same page */ - if (start_index / (bt_page_size / sizeof(u64)) != - (start_index + npages - 1) / (bt_page_size / sizeof(u64))) - return -EINVAL; - - if (start_index & (HNS_ROCE_MTT_ENTRY_PER_SEG - 1)) - return -EINVAL; - - mtts = hns_roce_table_find(hr_dev, table, - mtt->first_seg + - start_index / HNS_ROCE_MTT_ENTRY_PER_SEG, - &dma_handle); - if (!mtts) - return -ENOMEM; - - /* Save page addr, low 12 bits : 0 */ - for (i = 0; i < npages; ++i) { - if (!hr_dev->caps.mtt_hop_num) - mtts[i] = cpu_to_le64(page_list[i] >> PAGE_ADDR_SHIFT); - else - mtts[i] = cpu_to_le64(page_list[i]); - } - - return 0; -} - -static int hns_roce_write_mtt(struct hns_roce_dev *hr_dev, - struct hns_roce_mtt *mtt, u32 start_index, - u32 npages, u64 *page_list) -{ - int chunk; - int ret; - u32 bt_page_size; - - if (mtt->order < 0) - return -EINVAL; - - switch (mtt->mtt_type) { - case MTT_TYPE_WQE: - bt_page_size = 1 << (hr_dev->caps.mtt_ba_pg_sz + PAGE_SHIFT); - break; - case MTT_TYPE_CQE: - bt_page_size = 1 << (hr_dev->caps.cqe_ba_pg_sz + PAGE_SHIFT); - break; - case MTT_TYPE_SRQWQE: - bt_page_size = 1 << (hr_dev->caps.srqwqe_ba_pg_sz + PAGE_SHIFT); - break; - case MTT_TYPE_IDX: - bt_page_size = 1 << (hr_dev->caps.idx_ba_pg_sz + PAGE_SHIFT); - break; - default: - dev_err(hr_dev->dev, - "Unsupport mtt type %d, write mtt failed\n", - mtt->mtt_type); - return -EINVAL; - } - - while (npages > 0) { - chunk = min_t(int, bt_page_size / sizeof(u64), npages); - - ret = hns_roce_write_mtt_chunk(hr_dev, mtt, start_index, chunk, - page_list); - if (ret) - return ret; - - npages -= chunk; - start_index += chunk; - page_list += chunk; - } - - return 0; -} - -int hns_roce_buf_write_mtt(struct hns_roce_dev *hr_dev, - struct hns_roce_mtt *mtt, struct hns_roce_buf *buf) -{ - u64 *page_list; - int ret; - u32 i; - - page_list = kmalloc_array(buf->npages, sizeof(*page_list), GFP_KERNEL); - if (!page_list) - return -ENOMEM; - - for (i = 0; i < buf->npages; ++i) - page_list[i] = hns_roce_buf_page(buf, i); - - ret = hns_roce_write_mtt(hr_dev, mtt, 0, buf->npages, page_list); - - kfree(page_list); - - return ret; -} - int hns_roce_init_mr_table(struct hns_roce_dev *hr_dev) { struct hns_roce_mr_table *mr_table = &hr_dev->mr_table; @@ -567,50 +215,6 @@ int hns_roce_init_mr_table(struct hns_roce_dev *hr_dev) hr_dev->caps.num_mtpts, hr_dev->caps.num_mtpts - 1, hr_dev->caps.reserved_mrws, 0); - if (ret) - return ret; - - ret = hns_roce_buddy_init(&mr_table->mtt_buddy, - ilog2(hr_dev->caps.num_mtt_segs)); - if (ret) - goto err_buddy; - - if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) { - ret = hns_roce_buddy_init(&mr_table->mtt_cqe_buddy, - ilog2(hr_dev->caps.num_cqe_segs)); - if (ret) - goto err_buddy_cqe; - } - - if (hr_dev->caps.num_srqwqe_segs) { - ret = hns_roce_buddy_init(&mr_table->mtt_srqwqe_buddy, - ilog2(hr_dev->caps.num_srqwqe_segs)); - if (ret) - goto err_buddy_srqwqe; - } - - if (hr_dev->caps.num_idx_segs) { - ret = hns_roce_buddy_init(&mr_table->mtt_idx_buddy, - ilog2(hr_dev->caps.num_idx_segs)); - if (ret) - goto err_buddy_idx; - } - - return 0; - -err_buddy_idx: - if (hr_dev->caps.num_srqwqe_segs) - hns_roce_buddy_cleanup(&mr_table->mtt_srqwqe_buddy); - -err_buddy_srqwqe: - if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) - hns_roce_buddy_cleanup(&mr_table->mtt_cqe_buddy); - -err_buddy_cqe: - hns_roce_buddy_cleanup(&mr_table->mtt_buddy); - -err_buddy: - hns_roce_bitmap_cleanup(&mr_table->mtpt_bitmap); return ret; } @@ -618,13 +222,6 @@ void hns_roce_cleanup_mr_table(struct hns_roce_dev *hr_dev) { struct hns_roce_mr_table *mr_table = &hr_dev->mr_table; - if (hr_dev->caps.num_idx_segs) - hns_roce_buddy_cleanup(&mr_table->mtt_idx_buddy); - if (hr_dev->caps.num_srqwqe_segs) - hns_roce_buddy_cleanup(&mr_table->mtt_srqwqe_buddy); - hns_roce_buddy_cleanup(&mr_table->mtt_buddy); - if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) - hns_roce_buddy_cleanup(&mr_table->mtt_cqe_buddy); hns_roce_bitmap_cleanup(&mr_table->mtpt_bitmap); } @@ -661,77 +258,6 @@ err_free: return ERR_PTR(ret); } -int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev, - struct hns_roce_mtt *mtt, struct ib_umem *umem) -{ - struct device *dev = hr_dev->dev; - struct sg_dma_page_iter sg_iter; - unsigned int order; - int npage = 0; - int ret = 0; - int i; - u64 page_addr; - u64 *pages; - u32 bt_page_size; - u32 n; - - switch (mtt->mtt_type) { - case MTT_TYPE_WQE: - order = hr_dev->caps.mtt_ba_pg_sz; - break; - case MTT_TYPE_CQE: - order = hr_dev->caps.cqe_ba_pg_sz; - break; - case MTT_TYPE_SRQWQE: - order = hr_dev->caps.srqwqe_ba_pg_sz; - break; - case MTT_TYPE_IDX: - order = hr_dev->caps.idx_ba_pg_sz; - break; - default: - dev_err(dev, "Unsupport mtt type %d, write mtt failed\n", - mtt->mtt_type); - return -EINVAL; - } - - bt_page_size = 1 << (order + PAGE_SHIFT); - - pages = (u64 *) __get_free_pages(GFP_KERNEL, order); - if (!pages) - return -ENOMEM; - - i = n = 0; - - for_each_sg_dma_page(umem->sg_head.sgl, &sg_iter, umem->nmap, 0) { - page_addr = sg_page_iter_dma_address(&sg_iter); - if (!(npage % (1 << (mtt->page_shift - PAGE_SHIFT)))) { - if (page_addr & ((1 << mtt->page_shift) - 1)) { - dev_err(dev, - "page_addr is not page_shift %d alignment!\n", - mtt->page_shift); - ret = -EINVAL; - goto out; - } - pages[i++] = page_addr; - } - npage++; - if (i == bt_page_size / sizeof(u64)) { - ret = hns_roce_write_mtt(hr_dev, mtt, n, i, pages); - if (ret) - goto out; - n += i; - i = 0; - } - } - - if (i) - ret = hns_roce_write_mtt(hr_dev, mtt, n, i, pages); - -out: - free_pages((unsigned long) pages, order); - return ret; -} - struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int access_flags, struct ib_udata *udata) @@ -1112,20 +638,6 @@ int hns_roce_dealloc_mw(struct ib_mw *ibmw) return 0; } -void hns_roce_mtr_init(struct hns_roce_mtr *mtr, int bt_pg_shift, - int buf_pg_shift) -{ - hns_roce_hem_list_init(&mtr->hem_list); - mtr->hem_cfg.buf_pg_shift = buf_pg_shift; - mtr->hem_cfg.ba_pg_shift = bt_pg_shift; -} - -void hns_roce_mtr_cleanup(struct hns_roce_dev *hr_dev, - struct hns_roce_mtr *mtr) -{ - hns_roce_hem_list_release(hr_dev, &mtr->hem_list); -} - static int mtr_map_region(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, dma_addr_t *pages, struct hns_roce_buf_region *region) { @@ -1165,39 +677,6 @@ static int mtr_map_region(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, return 0; } -int hns_roce_mtr_attach(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, - dma_addr_t **bufs, struct hns_roce_buf_region *regions, - int region_cnt) -{ - struct hns_roce_buf_region *r; - int ret; - int i; - - ret = hns_roce_hem_list_request(hr_dev, &mtr->hem_list, regions, - region_cnt, mtr->hem_cfg.ba_pg_shift); - if (ret) - return ret; - - mtr->hem_cfg.root_ba = mtr->hem_list.root_ba; - for (i = 0; i < region_cnt; i++) { - r = ®ions[i]; - ret = mtr_map_region(hr_dev, mtr, bufs[i], r); - if (ret) { - dev_err(hr_dev->dev, - "write mtr[%d/%d] err %d,offset=%d.\n", - i, region_cnt, ret, r->offset); - goto err_write; - } - } - - return 0; - -err_write: - hns_roce_hem_list_release(hr_dev, &mtr->hem_list); - - return ret; -} - static inline bool mtr_has_mtt(struct hns_roce_buf_attr *attr) { int i; |