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yaml
---
r: 21943
b: refs/heads/master
c: 8d3ef29
h: refs/heads/master
i:
  21941: 7db32e0
  21939: 209e163
  21935: a038764
v: v3
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Ishai Rabinovitz authored and Roland Dreier committed Mar 20, 2006
1 parent e0dbca1 commit bf1967d
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Showing 5 changed files with 38 additions and 31 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 67e7377661db4e341ed5e9a0358d11a55e532aa8
refs/heads/master: 8d3ef29d6be1e750512e0a9dbea6225290b81d0a
26 changes: 14 additions & 12 deletions trunk/drivers/infiniband/hw/mthca/mthca_cmd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -652,8 +652,9 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,
* address or size and use that as our log2 size.
*/
lg = ffs(mthca_icm_addr(&iter) | mthca_icm_size(&iter)) - 1;
if (lg < 12) {
mthca_warn(dev, "Got FW area not aligned to 4K (%llx/%lx).\n",
if (lg < MTHCA_ICM_PAGE_SHIFT) {
mthca_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
MTHCA_ICM_PAGE_SIZE,
(unsigned long long) mthca_icm_addr(&iter),
mthca_icm_size(&iter));
err = -EINVAL;
Expand All @@ -665,8 +666,9 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,
virt += 1 << lg;
}

pages[nent * 2 + 1] = cpu_to_be64((mthca_icm_addr(&iter) +
(i << lg)) | (lg - 12));
pages[nent * 2 + 1] =
cpu_to_be64((mthca_icm_addr(&iter) + (i << lg)) |
(lg - MTHCA_ICM_PAGE_SHIFT));
ts += 1 << (lg - 10);
++tc;

Expand Down Expand Up @@ -822,12 +824,12 @@ int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status)
mthca_dbg(dev, "FW size %d KB\n", dev->fw.arbel.fw_pages << 2);

/*
* Arbel page size is always 4 KB; round up number of
* system pages needed.
* Round up number of system pages needed in case
* MTHCA_ICM_PAGE_SIZE < PAGE_SIZE.
*/
dev->fw.arbel.fw_pages =
ALIGN(dev->fw.arbel.fw_pages, PAGE_SIZE >> 12) >>
(PAGE_SHIFT - 12);
ALIGN(dev->fw.arbel.fw_pages, PAGE_SIZE / MTHCA_ICM_PAGE_SIZE) >>
(PAGE_SHIFT - MTHCA_ICM_PAGE_SHIFT);

mthca_dbg(dev, "Clear int @ %llx, EQ arm @ %llx, EQ set CI @ %llx\n",
(unsigned long long) dev->fw.arbel.clr_int_base,
Expand Down Expand Up @@ -1540,11 +1542,11 @@ int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages,
return ret;

/*
* Arbel page size is always 4 KB; round up number of system
* pages needed.
* Round up number of system pages needed in case
* MTHCA_ICM_PAGE_SIZE < PAGE_SIZE.
*/
*aux_pages = (*aux_pages + (1 << (PAGE_SHIFT - 12)) - 1) >> (PAGE_SHIFT - 12);
*aux_pages = ALIGN(*aux_pages, PAGE_SIZE >> 12) >> (PAGE_SHIFT - 12);
*aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MTHCA_ICM_PAGE_SIZE) >>
(PAGE_SHIFT - MTHCA_ICM_PAGE_SHIFT);

return 0;
}
Expand Down
2 changes: 1 addition & 1 deletion trunk/drivers/infiniband/hw/mthca/mthca_eq.c
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Original file line number Diff line number Diff line change
Expand Up @@ -825,7 +825,7 @@ void __devexit mthca_unmap_eq_icm(struct mthca_dev *dev)
{
u8 status;

mthca_UNMAP_ICM(dev, dev->eq_table.icm_virt, PAGE_SIZE / 4096, &status);
mthca_UNMAP_ICM(dev, dev->eq_table.icm_virt, 1, &status);
pci_unmap_page(dev->pdev, dev->eq_table.icm_dma, PAGE_SIZE,
PCI_DMA_BIDIRECTIONAL);
__free_page(dev->eq_table.icm_page);
Expand Down
29 changes: 16 additions & 13 deletions trunk/drivers/infiniband/hw/mthca/mthca_memfree.c
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Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,8 @@ void mthca_table_put(struct mthca_dev *dev, struct mthca_icm_table *table, int o

if (--table->icm[i]->refcount == 0) {
mthca_UNMAP_ICM(dev, table->virt + i * MTHCA_TABLE_CHUNK_SIZE,
MTHCA_TABLE_CHUNK_SIZE >> 12, &status);
MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE,
&status);
mthca_free_icm(dev, table->icm[i]);
table->icm[i] = NULL;
}
Expand Down Expand Up @@ -336,7 +337,8 @@ struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev,
for (i = 0; i < num_icm; ++i)
if (table->icm[i]) {
mthca_UNMAP_ICM(dev, virt + i * MTHCA_TABLE_CHUNK_SIZE,
MTHCA_TABLE_CHUNK_SIZE >> 12, &status);
MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE,
&status);
mthca_free_icm(dev, table->icm[i]);
}

Expand All @@ -353,7 +355,8 @@ void mthca_free_icm_table(struct mthca_dev *dev, struct mthca_icm_table *table)
for (i = 0; i < table->num_icm; ++i)
if (table->icm[i]) {
mthca_UNMAP_ICM(dev, table->virt + i * MTHCA_TABLE_CHUNK_SIZE,
MTHCA_TABLE_CHUNK_SIZE >> 12, &status);
MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE,
&status);
mthca_free_icm(dev, table->icm[i]);
}

Expand All @@ -364,7 +367,7 @@ static u64 mthca_uarc_virt(struct mthca_dev *dev, struct mthca_uar *uar, int pag
{
return dev->uar_table.uarc_base +
uar->index * dev->uar_table.uarc_size +
page * 4096;
page * MTHCA_ICM_PAGE_SIZE;
}

int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar,
Expand Down Expand Up @@ -401,7 +404,7 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar,
if (ret < 0)
goto out;

db_tab->page[i].mem.length = 4096;
db_tab->page[i].mem.length = MTHCA_ICM_PAGE_SIZE;
db_tab->page[i].mem.offset = uaddr & ~PAGE_MASK;

ret = pci_map_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE);
Expand Down Expand Up @@ -455,7 +458,7 @@ struct mthca_user_db_table *mthca_init_user_db_tab(struct mthca_dev *dev)
if (!mthca_is_memfree(dev))
return NULL;

npages = dev->uar_table.uarc_size / 4096;
npages = dev->uar_table.uarc_size / MTHCA_ICM_PAGE_SIZE;
db_tab = kmalloc(sizeof *db_tab + npages * sizeof *db_tab->page, GFP_KERNEL);
if (!db_tab)
return ERR_PTR(-ENOMEM);
Expand All @@ -478,7 +481,7 @@ void mthca_cleanup_user_db_tab(struct mthca_dev *dev, struct mthca_uar *uar,
if (!mthca_is_memfree(dev))
return;

for (i = 0; i < dev->uar_table.uarc_size / 4096; ++i) {
for (i = 0; i < dev->uar_table.uarc_size / MTHCA_ICM_PAGE_SIZE; ++i) {
if (db_tab->page[i].uvirt) {
mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, uar, i), 1, &status);
pci_unmap_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE);
Expand Down Expand Up @@ -551,20 +554,20 @@ int mthca_alloc_db(struct mthca_dev *dev, enum mthca_db_type type,
page = dev->db_tab->page + end;

alloc:
page->db_rec = dma_alloc_coherent(&dev->pdev->dev, 4096,
page->db_rec = dma_alloc_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE,
&page->mapping, GFP_KERNEL);
if (!page->db_rec) {
ret = -ENOMEM;
goto out;
}
memset(page->db_rec, 0, 4096);
memset(page->db_rec, 0, MTHCA_ICM_PAGE_SIZE);

ret = mthca_MAP_ICM_page(dev, page->mapping,
mthca_uarc_virt(dev, &dev->driver_uar, i), &status);
if (!ret && status)
ret = -EINVAL;
if (ret) {
dma_free_coherent(&dev->pdev->dev, 4096,
dma_free_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE,
page->db_rec, page->mapping);
goto out;
}
Expand Down Expand Up @@ -612,7 +615,7 @@ void mthca_free_db(struct mthca_dev *dev, int type, int db_index)
i >= dev->db_tab->max_group1 - 1) {
mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, &dev->driver_uar, i), 1, &status);

dma_free_coherent(&dev->pdev->dev, 4096,
dma_free_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE,
page->db_rec, page->mapping);
page->db_rec = NULL;

Expand Down Expand Up @@ -640,7 +643,7 @@ int mthca_init_db_tab(struct mthca_dev *dev)

mutex_init(&dev->db_tab->mutex);

dev->db_tab->npages = dev->uar_table.uarc_size / 4096;
dev->db_tab->npages = dev->uar_table.uarc_size / MTHCA_ICM_PAGE_SIZE;
dev->db_tab->max_group1 = 0;
dev->db_tab->min_group2 = dev->db_tab->npages - 1;

Expand Down Expand Up @@ -681,7 +684,7 @@ void mthca_cleanup_db_tab(struct mthca_dev *dev)

mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, &dev->driver_uar, i), 1, &status);

dma_free_coherent(&dev->pdev->dev, 4096,
dma_free_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE,
dev->db_tab->page[i].db_rec,
dev->db_tab->page[i].mapping);
}
Expand Down
10 changes: 6 additions & 4 deletions trunk/drivers/infiniband/hw/mthca/mthca_memfree.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,12 @@
((256 - sizeof (struct list_head) - 2 * sizeof (int)) / \
(sizeof (struct scatterlist)))

enum {
MTHCA_ICM_PAGE_SHIFT = 12,
MTHCA_ICM_PAGE_SIZE = 1 << MTHCA_ICM_PAGE_SHIFT,
MTHCA_DB_REC_PER_PAGE = MTHCA_ICM_PAGE_SIZE / 8
};

struct mthca_icm_chunk {
struct list_head list;
int npages;
Expand Down Expand Up @@ -131,10 +137,6 @@ static inline unsigned long mthca_icm_size(struct mthca_icm_iter *iter)
return sg_dma_len(&iter->chunk->mem[iter->page_idx]);
}

enum {
MTHCA_DB_REC_PER_PAGE = 4096 / 8
};

struct mthca_db_page {
DECLARE_BITMAP(used, MTHCA_DB_REC_PER_PAGE);
__be64 *db_rec;
Expand Down

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