summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/packer.c4
-rw-r--r--drivers/infiniband/core/sa_query.c18
-rw-r--r--drivers/infiniband/hw/mthca/mthca_av.c1
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cmd.c531
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cmd.h48
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cq.c101
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h12
-rw-r--r--drivers/infiniband/hw/mthca/mthca_doorbell.h1
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c58
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c32
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mcg.c63
-rw-r--r--drivers/infiniband/hw/mthca/mthca_memfree.c10
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mr.c367
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.h14
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c139
16 files changed, 712 insertions, 691 deletions
diff --git a/drivers/infiniband/core/packer.c b/drivers/infiniband/core/packer.c
index 5f15feffeae..eb5ff54c10d 100644
--- a/drivers/infiniband/core/packer.c
+++ b/drivers/infiniband/core/packer.c
@@ -96,7 +96,7 @@ void ib_pack(const struct ib_field *desc,
else
val = 0;
- mask = cpu_to_be64(((1ull << desc[i].size_bits) - 1) << shift);
+ mask = cpu_to_be64((~0ull >> (64 - desc[i].size_bits)) << shift);
addr = (__be64 *) ((__be32 *) buf + desc[i].offset_words);
*addr = (*addr & ~mask) | (cpu_to_be64(val) & mask);
} else {
@@ -176,7 +176,7 @@ void ib_unpack(const struct ib_field *desc,
__be64 *addr;
shift = 64 - desc[i].offset_bits - desc[i].size_bits;
- mask = ((1ull << desc[i].size_bits) - 1) << shift;
+ mask = (~0ull >> (64 - desc[i].size_bits)) << shift;
addr = (__be64 *) buf + desc[i].offset_words;
val = (be64_to_cpup(addr) & mask) >> shift;
value_write(desc[i].struct_offset_bytes,
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 276e1a53010..5a08e81fa82 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -507,7 +507,13 @@ retry:
spin_unlock_irqrestore(&idr_lock, flags);
}
- return ret;
+ /*
+ * It's not safe to dereference query any more, because the
+ * send may already have completed and freed the query in
+ * another context. So use wr.wr_id, which has a copy of the
+ * query's id.
+ */
+ return ret ? ret : wr.wr_id;
}
static void ib_sa_path_rec_callback(struct ib_sa_query *sa_query,
@@ -598,14 +604,15 @@ int ib_sa_path_rec_get(struct ib_device *device, u8 port_num,
rec, query->sa_query.mad->data);
*sa_query = &query->sa_query;
+
ret = send_mad(&query->sa_query, timeout_ms);
- if (ret) {
+ if (ret < 0) {
*sa_query = NULL;
kfree(query->sa_query.mad);
kfree(query);
}
- return ret ? ret : query->sa_query.id;
+ return ret;
}
EXPORT_SYMBOL(ib_sa_path_rec_get);
@@ -674,14 +681,15 @@ int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num,
rec, query->sa_query.mad->data);
*sa_query = &query->sa_query;
+
ret = send_mad(&query->sa_query, timeout_ms);
- if (ret) {
+ if (ret < 0) {
*sa_query = NULL;
kfree(query->sa_query.mad);
kfree(query);
}
- return ret ? ret : query->sa_query.id;
+ return ret;
}
EXPORT_SYMBOL(ib_sa_mcmember_rec_query);
diff --git a/drivers/infiniband/hw/mthca/mthca_av.c b/drivers/infiniband/hw/mthca/mthca_av.c
index 085baf393ca..d58dcbe6648 100644
--- a/drivers/infiniband/hw/mthca/mthca_av.c
+++ b/drivers/infiniband/hw/mthca/mthca_av.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index cd9ed958d92..1557a522d83 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -431,6 +431,36 @@ static int mthca_cmd_imm(struct mthca_dev *dev,
timeout, status);
}
+int mthca_cmd_init(struct mthca_dev *dev)
+{
+ sema_init(&dev->cmd.hcr_sem, 1);
+ sema_init(&dev->cmd.poll_sem, 1);
+ dev->cmd.use_events = 0;
+
+ dev->hcr = ioremap(pci_resource_start(dev->pdev, 0) + MTHCA_HCR_BASE,
+ MTHCA_HCR_SIZE);
+ if (!dev->hcr) {
+ mthca_err(dev, "Couldn't map command register.");
+ return -ENOMEM;
+ }
+
+ dev->cmd.pool = pci_pool_create("mthca_cmd", dev->pdev,
+ MTHCA_MAILBOX_SIZE,
+ MTHCA_MAILBOX_SIZE, 0);
+ if (!dev->cmd.pool) {
+ iounmap(dev->hcr);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+void mthca_cmd_cleanup(struct mthca_dev *dev)
+{
+ pci_pool_destroy(dev->cmd.pool);
+ iounmap(dev->hcr);
+}
+
/*
* Switch to using events to issue FW commands (should be called after
* event queue to command events has been initialized).
@@ -489,6 +519,33 @@ void mthca_cmd_use_polling(struct mthca_dev *dev)
up(&dev->cmd.poll_sem);
}
+struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev,
+ unsigned int gfp_mask)
+{
+ struct mthca_mailbox *mailbox;
+
+ mailbox = kmalloc(sizeof *mailbox, gfp_mask);
+ if (!mailbox)
+ return ERR_PTR(-ENOMEM);
+
+ mailbox->buf = pci_pool_alloc(dev->cmd.pool, gfp_mask, &mailbox->dma);
+ if (!mailbox->buf) {
+ kfree(mailbox);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ return mailbox;
+}
+
+void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox)
+{
+ if (!mailbox)
+ return;
+
+ pci_pool_free(dev->cmd.pool, mailbox->buf, mailbox->dma);
+ kfree(mailbox);
+}
+
int mthca_SYS_EN(struct mthca_dev *dev, u8 *status)
{
u64 out;
@@ -513,20 +570,20 @@ int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status)
static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,
u64 virt, u8 *status)
{
- u32 *inbox;
- dma_addr_t indma;
+ struct mthca_mailbox *mailbox;
struct mthca_icm_iter iter;
+ __be64 *pages;
int lg;
int nent = 0;
int i;
int err = 0;
int ts = 0, tc = 0;
- inbox = pci_alloc_consistent(dev->pdev, PAGE_SIZE, &indma);
- if (!inbox)
- return -ENOMEM;
-
- memset(inbox, 0, PAGE_SIZE);
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ memset(mailbox->buf, 0, MTHCA_MAILBOX_SIZE);
+ pages = mailbox->buf;
for (mthca_icm_first(icm, &iter);
!mthca_icm_last(&iter);
@@ -546,19 +603,17 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,
}
for (i = 0; i < mthca_icm_size(&iter) / (1 << lg); ++i, ++nent) {
if (virt != -1) {
- *((__be64 *) (inbox + nent * 4)) =
- cpu_to_be64(virt);
+ pages[nent * 2] = cpu_to_be64(virt);
virt += 1 << lg;
}
- *((__be64 *) (inbox + nent * 4 + 2)) =
- 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 - 12));
ts += 1 << (lg - 10);
++tc;
- if (nent == PAGE_SIZE / 16) {
- err = mthca_cmd(dev, indma, nent, 0, op,
+ if (nent == MTHCA_MAILBOX_SIZE / 16) {
+ err = mthca_cmd(dev, mailbox->dma, nent, 0, op,
CMD_TIME_CLASS_B, status);
if (err || *status)
goto out;
@@ -568,7 +623,7 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,
}
if (nent)
- err = mthca_cmd(dev, indma, nent, 0, op,
+ err = mthca_cmd(dev, mailbox->dma, nent, 0, op,
CMD_TIME_CLASS_B, status);
switch (op) {
@@ -585,7 +640,7 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,
}
out:
- pci_free_consistent(dev->pdev, PAGE_SIZE, inbox, indma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
@@ -606,8 +661,8 @@ int mthca_RUN_FW(struct mthca_dev *dev, u8 *status)
int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u32 *outbox;
- dma_addr_t outdma;
int err = 0;
u8 lg;
@@ -625,12 +680,12 @@ int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status)
#define QUERY_FW_EQ_ARM_BASE_OFFSET 0x40
#define QUERY_FW_EQ_SET_CI_BASE_OFFSET 0x48
- outbox = pci_alloc_consistent(dev->pdev, QUERY_FW_OUT_SIZE, &outdma);
- if (!outbox) {
- return -ENOMEM;
- }
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ outbox = mailbox->buf;
- err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_FW,
+ err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_FW,
CMD_TIME_CLASS_A, status);
if (err)
@@ -681,15 +736,15 @@ int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status)
}
out:
- pci_free_consistent(dev->pdev, QUERY_FW_OUT_SIZE, outbox, outdma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u8 info;
u32 *outbox;
- dma_addr_t outdma;
int err = 0;
#define ENABLE_LAM_OUT_SIZE 0x100
@@ -700,11 +755,12 @@ int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status)
#define ENABLE_LAM_INFO_HIDDEN_FLAG (1 << 4)
#define ENABLE_LAM_INFO_ECC_MASK 0x3
- outbox = pci_alloc_consistent(dev->pdev, ENABLE_LAM_OUT_SIZE, &outdma);
- if (!outbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ outbox = mailbox->buf;
- err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_ENABLE_LAM,
+ err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_ENABLE_LAM,
CMD_TIME_CLASS_C, status);
if (err)
@@ -733,7 +789,7 @@ int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status)
(unsigned long long) dev->ddr_end);
out:
- pci_free_consistent(dev->pdev, ENABLE_LAM_OUT_SIZE, outbox, outdma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
@@ -744,9 +800,9 @@ int mthca_DISABLE_LAM(struct mthca_dev *dev, u8 *status)
int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u8 info;
u32 *outbox;
- dma_addr_t outdma;
int err = 0;
#define QUERY_DDR_OUT_SIZE 0x100
@@ -757,11 +813,12 @@ int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status)
#define QUERY_DDR_INFO_HIDDEN_FLAG (1 << 4)
#define QUERY_DDR_INFO_ECC_MASK 0x3
- outbox = pci_alloc_consistent(dev->pdev, QUERY_DDR_OUT_SIZE, &outdma);
- if (!outbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ outbox = mailbox->buf;
- err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_DDR,
+ err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DDR,
CMD_TIME_CLASS_A, status);
if (err)
@@ -787,15 +844,15 @@ int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status)
(unsigned long long) dev->ddr_end);
out:
- pci_free_consistent(dev->pdev, QUERY_DDR_OUT_SIZE, outbox, outdma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
struct mthca_dev_lim *dev_lim, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u32 *outbox;
- dma_addr_t outdma;
u8 field;
u16 size;
int err;
@@ -860,11 +917,12 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
#define QUERY_DEV_LIM_LAMR_OFFSET 0x9f
#define QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET 0xa0
- outbox = pci_alloc_consistent(dev->pdev, QUERY_DEV_LIM_OUT_SIZE, &outdma);
- if (!outbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ outbox = mailbox->buf;
- err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_DEV_LIM,
+ err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DEV_LIM,
CMD_TIME_CLASS_A, status);
if (err)
@@ -1020,15 +1078,15 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
}
out:
- pci_free_consistent(dev->pdev, QUERY_DEV_LIM_OUT_SIZE, outbox, outdma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
struct mthca_adapter *adapter, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u32 *outbox;
- dma_addr_t outdma;
int err;
#define QUERY_ADAPTER_OUT_SIZE 0x100
@@ -1037,23 +1095,24 @@ int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
#define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08
#define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
- outbox = pci_alloc_consistent(dev->pdev, QUERY_ADAPTER_OUT_SIZE, &outdma);
- if (!outbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ outbox = mailbox->buf;
- err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_ADAPTER,
+ err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_ADAPTER,
CMD_TIME_CLASS_A, status);
if (err)
goto out;
- MTHCA_GET(adapter->vendor_id, outbox, QUERY_ADAPTER_VENDOR_ID_OFFSET);
- MTHCA_GET(adapter->device_id, outbox, QUERY_ADAPTER_DEVICE_ID_OFFSET);
+ MTHCA_GET(adapter->vendor_id, outbox, QUERY_ADAPTER_VENDOR_ID_OFFSET);
+ MTHCA_GET(adapter->device_id, outbox, QUERY_ADAPTER_DEVICE_ID_OFFSET);
MTHCA_GET(adapter->revision_id, outbox, QUERY_ADAPTER_REVISION_ID_OFFSET);
- MTHCA_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
+ MTHCA_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
out:
- pci_free_consistent(dev->pdev, QUERY_DEV_LIM_OUT_SIZE, outbox, outdma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
@@ -1061,8 +1120,8 @@ int mthca_INIT_HCA(struct mthca_dev *dev,
struct mthca_init_hca_param *param,
u8 *status)
{
+ struct mthca_mailbox *mailbox;
u32 *inbox;
- dma_addr_t indma;
int err;
#define INIT_HCA_IN_SIZE 0x200
@@ -1102,9 +1161,10 @@ int mthca_INIT_HCA(struct mthca_dev *dev,
#define INIT_HCA_UAR_SCATCH_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x10)
#define INIT_HCA_UAR_CTX_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x18)
- inbox = pci_alloc_consistent(dev->pdev, INIT_HCA_IN_SIZE, &indma);
- if (!inbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ inbox = mailbox->buf;
memset(inbox, 0, INIT_HCA_IN_SIZE);
@@ -1167,10 +1227,9 @@ int mthca_INIT_HCA(struct mthca_dev *dev,
MTHCA_PUT(inbox, param->uarc_base, INIT_HCA_UAR_CTX_BASE_OFFSET);
}
- err = mthca_cmd(dev, indma, 0, 0, CMD_INIT_HCA,
- HZ, status);
+ err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, HZ, status);
- pci_free_consistent(dev->pdev, INIT_HCA_IN_SIZE, inbox, indma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
@@ -1178,8 +1237,8 @@ int mthca_INIT_IB(struct mthca_dev *dev,
struct mthca_init_ib_param *param,
int port, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u32 *inbox;
- dma_addr_t indma;
int err;
u32 flags;
@@ -1199,9 +1258,10 @@ int mthca_INIT_IB(struct mthca_dev *dev,
#define INIT_IB_NODE_GUID_OFFSET 0x18
#define INIT_IB_SI_GUID_OFFSET 0x20
- inbox = pci_alloc_consistent(dev->pdev, INIT_IB_IN_SIZE, &indma);
- if (!inbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ inbox = mailbox->buf;
memset(inbox, 0, INIT_IB_IN_SIZE);
@@ -1221,10 +1281,10 @@ int mthca_INIT_IB(struct mthca_dev *dev,
MTHCA_PUT(inbox, param->node_guid, INIT_IB_NODE_GUID_OFFSET);
MTHCA_PUT(inbox, param->si_guid, INIT_IB_SI_GUID_OFFSET);
- err = mthca_cmd(dev, indma, port, 0, CMD_INIT_IB,
+ err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_INIT_IB,
CMD_TIME_CLASS_A, status);
- pci_free_consistent(dev->pdev, INIT_HCA_IN_SIZE, inbox, indma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
@@ -1241,8 +1301,8 @@ int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status)
int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,
int port, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u32 *inbox;
- dma_addr_t indma;
int err;
u32 flags = 0;
@@ -1253,9 +1313,10 @@ int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,
#define SET_IB_CAP_MASK_OFFSET 0x04
#define SET_IB_SI_GUID_OFFSET 0x08
- inbox = pci_alloc_consistent(dev->pdev, SET_IB_IN_SIZE, &indma);
- if (!inbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ inbox = mailbox->buf;
memset(inbox, 0, SET_IB_IN_SIZE);
@@ -1266,10 +1327,10 @@ int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,
MTHCA_PUT(inbox, param->cap_mask, SET_IB_CAP_MASK_OFFSET);
MTHCA_PUT(inbox, param->si_guid, SET_IB_SI_GUID_OFFSET);
- err = mthca_cmd(dev, indma, port, 0, CMD_SET_IB,
+ err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_SET_IB,
CMD_TIME_CLASS_B, status);
- pci_free_consistent(dev->pdev, INIT_HCA_IN_SIZE, inbox, indma);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
@@ -1280,20 +1341,22 @@ int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt, u8 *st
int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status)
{
+ struct mthca_mailbox *mailbox;
u64 *inbox;
- dma_addr_t indma;
int err;
- inbox = pci_alloc_consistent(dev->pdev, 16, &indma);
- if (!inbox)
- return -ENOMEM;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ inbox = mailbox->buf;
inbox[0] = cpu_to_be64(virt);
inbox[1] = cpu_to_be64(dma_addr);
- err = mthca_cmd(dev, indma, 1, 0, CMD_MAP_ICM, CMD_TIME_CLASS_B, status);
+ err = mthca_cmd(dev, mailbox->dma, 1, 0, CMD_MAP_ICM,
+ CMD_TIME_CLASS_B, status);
- pci_free_consistent(dev->pdev, 16, inbox, indma);
+ mthca_free_mailbox(dev, mailbox);
if (!err)
mthca_dbg(dev, "Mapped page at %llx to %llx for ICM.\n",
@@ -1338,69 +1401,26 @@ int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages,
return 0;
}
-int mthca_SW2HW_MPT(struct mthca_dev *dev, void *mpt_entry,
+int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int mpt_index, u8 *status)
{
- dma_addr_t indma;
- int err;
-
- indma = pci_map_single(dev->pdev, mpt_entry,
- MTHCA_MPT_ENTRY_SIZE,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(indma))
- return -ENOMEM;
-
- err = mthca_cmd(dev, indma, mpt_index, 0, CMD_SW2HW_MPT,
- CMD_TIME_CLASS_B, status);
-
- pci_unmap_single(dev->pdev, indma,
- MTHCA_MPT_ENTRY_SIZE, PCI_DMA_TODEVICE);
- return err;
+ return mthca_cmd(dev, mailbox->dma, mpt_index, 0, CMD_SW2HW_MPT,
+ CMD_TIME_CLASS_B, status);
}
-int mthca_HW2SW_MPT(struct mthca_dev *dev, void *mpt_entry,
+int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int mpt_index, u8 *status)
{
- dma_addr_t outdma = 0;
- int err;
-
- if (mpt_entry) {
- outdma = pci_map_single(dev->pdev, mpt_entry,
- MTHCA_MPT_ENTRY_SIZE,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(outdma))
- return -ENOMEM;
- }
-
- err = mthca_cmd_box(dev, 0, outdma, mpt_index, !mpt_entry,
- CMD_HW2SW_MPT,
- CMD_TIME_CLASS_B, status);
-
- if (mpt_entry)
- pci_unmap_single(dev->pdev, outdma,
- MTHCA_MPT_ENTRY_SIZE,
- PCI_DMA_FROMDEVICE);
- return err;
+ return mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, mpt_index,
+ !mailbox, CMD_HW2SW_MPT,
+ CMD_TIME_CLASS_B, status);
}
-int mthca_WRITE_MTT(struct mthca_dev *dev, u64 *mtt_entry,
+int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int num_mtt, u8 *status)
{
- dma_addr_t indma;
- int err;
-
- indma = pci_map_single(dev->pdev, mtt_entry,
- (num_mtt + 2) * 8,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(indma))
- return -ENOMEM;
-
- err = mthca_cmd(dev, indma, num_mtt, 0, CMD_WRITE_MTT,
- CMD_TIME_CLASS_B, status);
-
- pci_unmap_single(dev->pdev, indma,
- (num_mtt + 2) * 8, PCI_DMA_TODEVICE);
- return err;
+ return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT,
+ CMD_TIME_CLASS_B, status);
}
int mthca_SYNC_TPT(struct mthca_dev *dev, u8 *status)
@@ -1418,92 +1438,38 @@ int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
0, CMD_MAP_EQ, CMD_TIME_CLASS_B, status);
}
-int mthca_SW2HW_EQ(struct mthca_dev *dev, void *eq_context,
+int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int eq_num, u8 *status)
{
- dma_addr_t indma;
- int err;
-
- indma = pci_map_single(dev->pdev, eq_context,
- MTHCA_EQ_CONTEXT_SIZE,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(indma))
- return -ENOMEM;
-
- err = mthca_cmd(dev, indma, eq_num, 0, CMD_SW2HW_EQ,
- CMD_TIME_CLASS_A, status);
-
- pci_unmap_single(dev->pdev, indma,
- MTHCA_EQ_CONTEXT_SIZE, PCI_DMA_TODEVICE);
- return err;
+ return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ,
+ CMD_TIME_CLASS_A, status);
}
-int mthca_HW2SW_EQ(struct mthca_dev *dev, void *eq_context,
+int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int eq_num, u8 *status)
{
- dma_addr_t outdma = 0;
- int err;
-
- outdma = pci_map_single(dev->pdev, eq_context,
- MTHCA_EQ_CONTEXT_SIZE,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(outdma))
- return -ENOMEM;
-
- err = mthca_cmd_box(dev, 0, outdma, eq_num, 0,
- CMD_HW2SW_EQ,
- CMD_TIME_CLASS_A, status);
-
- pci_unmap_single(dev->pdev, outdma,
- MTHCA_EQ_CONTEXT_SIZE,
- PCI_DMA_FROMDEVICE);
- return err;
+ return mthca_cmd_box(dev, 0, mailbox->dma, eq_num, 0,
+ CMD_HW2SW_EQ,
+ CMD_TIME_CLASS_A, status);
}
-int mthca_SW2HW_CQ(struct mthca_dev *dev, void *cq_context,
+int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int cq_num, u8 *status)
{
- dma_addr_t indma;
- int err;
-
- indma = pci_map_single(dev->pdev, cq_context,
- MTHCA_CQ_CONTEXT_SIZE,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(indma))
- return -ENOMEM;
-
- err = mthca_cmd(dev, indma, cq_num, 0, CMD_SW2HW_CQ,
+ return mthca_cmd(dev, mailbox->dma, cq_num, 0, CMD_SW2HW_CQ,
CMD_TIME_CLASS_A, status);
-
- pci_unmap_single(dev->pdev, indma,
- MTHCA_CQ_CONTEXT_SIZE, PCI_DMA_TODEVICE);
- return err;
}
-int mthca_HW2SW_CQ(struct mthca_dev *dev, void *cq_context,
+int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int cq_num, u8 *status)
{
- dma_addr_t outdma = 0;
- int err;
-
- outdma = pci_map_single(dev->pdev, cq_context,
- MTHCA_CQ_CONTEXT_SIZE,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(outdma))
- return -ENOMEM;
-
- err = mthca_cmd_box(dev, 0, outdma, cq_num, 0,
- CMD_HW2SW_CQ,
- CMD_TIME_CLASS_A, status);
-
- pci_unmap_single(dev->pdev, outdma,
- MTHCA_CQ_CONTEXT_SIZE,
- PCI_DMA_FROMDEVICE);
- return err;
+ return mthca_cmd_box(dev, 0, mailbox->dma, cq_num, 0,
+ CMD_HW2SW_CQ,
+ CMD_TIME_CLASS_A, status);
}
int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
- int is_ee, void *qp_context, u32 optmask,
+ int is_ee, struct mthca_mailbox *mailbox, u32 optmask,
u8 *status)
{
static const u16 op[] = {
@@ -1520,36 +1486,34 @@ int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
[MTHCA_TRANS_ANY2RST] = CMD_ERR2RST_QPEE
};
u8 op_mod = 0;
-
- dma_addr_t indma;
+ int my_mailbox = 0;
int err;
if (trans < 0 || trans >= ARRAY_SIZE(op))
return -EINVAL;
if (trans == MTHCA_TRANS_ANY2RST) {
- indma = 0;
op_mod = 3; /* don't write outbox, any->reset */
/* For debugging */
- qp_context = pci_alloc_consistent(dev->pdev, MTHCA_QP_CONTEXT_SIZE,
- &indma);
- op_mod = 2; /* write outbox, any->reset */
+ if (!mailbox) {
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (!IS_ERR(mailbox)) {
+ my_mailbox = 1;
+ op_mod = 2; /* write outbox, any->reset */
+ } else
+ mailbox = NULL;
+ }
} else {
- indma = pci_map_single(dev->pdev, qp_context,
- MTHCA_QP_CONTEXT_SIZE,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(indma))
- return -ENOMEM;
-
if (0) {
int i;
mthca_dbg(dev, "Dumping QP context:\n");
- printk(" opt param mask: %08x\n", be32_to_cpup(qp_context));
+ printk(" opt param mask: %08x\n", be32_to_cpup(mailbox->buf));
for (i = 0; i < 0x100 / 4; ++i) {
if (i % 8 == 0)
printk(" [%02x] ", i * 4);
- printk(" %08x", be32_to_cpu(((u32 *) qp_context)[i + 2]));
+ printk(" %08x",
+ be32_to_cpu(((u32 *) mailbox->buf)[i + 2]));
if ((i + 1) % 8 == 0)
printk("\n");
}
@@ -1557,55 +1521,39 @@ int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
}
if (trans == MTHCA_TRANS_ANY2RST) {
- err = mthca_cmd_box(dev, 0, indma, (!!is_ee << 24) | num,
- op_mod, op[trans], CMD_TIME_CLASS_C, status);
+ err = mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0,
+ (!!is_ee << 24) | num, op_mod,
+ op[trans], CMD_TIME_CLASS_C, status);
- if (0) {
+ if (0 && mailbox) {
int i;
mthca_dbg(dev, "Dumping QP context:\n");
- printk(" %08x\n", be32_to_cpup(qp_context));
+ printk(" %08x\n", be32_to_cpup(mailbox->buf));
for (i = 0; i < 0x100 / 4; ++i) {
if (i % 8 == 0)
printk("[%02x] ", i * 4);
- printk(" %08x", be32_to_cpu(((u32 *) qp_context)[i + 2]));
+ printk(" %08x",
+ be32_to_cpu(((u32 *) mailbox->buf)[i + 2]));
if ((i + 1) % 8 == 0)
printk("\n");
}
}
} else
- err = mthca_cmd(dev, indma, (!!is_ee << 24) | num,
+ err = mthca_cmd(dev, mailbox->dma, (!!is_ee << 24) | num,
op_mod, op[trans], CMD_TIME_CLASS_C, status);
- if (trans != MTHCA_TRANS_ANY2RST)
- pci_unmap_single(dev->pdev, indma,
- MTHCA_QP_CONTEXT_SIZE, PCI_DMA_TODEVICE);
- else
- pci_free_consistent(dev->pdev, MTHCA_QP_CONTEXT_SIZE,
- qp_context, indma);
+ if (my_mailbox)
+ mthca_free_mailbox(dev, mailbox);
+
return err;
}
int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
- void *qp_context, u8 *status)
+ struct mthca_mailbox *mailbox, u8 *status)
{
- dma_addr_t outdma = 0;
- int err;
-
- outdma = pci_map_single(dev->pdev, qp_context,
- MTHCA_QP_CONTEXT_SIZE,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(outdma))
- return -ENOMEM;
-
- err = mthca_cmd_box(dev, 0, outdma, (!!is_ee << 24) | num, 0,
- CMD_QUERY_QPEE,
- CMD_TIME_CLASS_A, status);
-
- pci_unmap_single(dev->pdev, outdma,
- MTHCA_QP_CONTEXT_SIZE,
- PCI_DMA_FROMDEVICE);
- return err;
+ return mthca_cmd_box(dev, 0, mailbox->dma, (!!is_ee << 24) | num, 0,
+ CMD_QUERY_QPEE, CMD_TIME_CLASS_A, status);
}
int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn,
@@ -1635,11 +1583,11 @@ int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn,
}
int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
- int port, struct ib_wc* in_wc, struct ib_grh* in_grh,
+ int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
void *in_mad, void *response_mad, u8 *status)
{
- void *box;
- dma_addr_t dma;
+ struct mthca_mailbox *inmailbox, *outmailbox;
+ void *inbox;
int err;
u32 in_modifier = port;
u8 op_modifier = 0;
@@ -1653,11 +1601,18 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
#define MAD_IFC_PKEY_OFFSET 0x10e
#define MAD_IFC_GRH_OFFSET 0x140
- box = pci_alloc_consistent(dev->pdev, MAD_IFC_BOX_SIZE, &dma);
- if (!box)
- return -ENOMEM;
+ inmailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(inmailbox))
+ return PTR_ERR(inmailbox);
+ inbox = inmailbox->buf;
- memcpy(box, in_mad, 256);
+ outmailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(outmailbox)) {
+ mthca_free_mailbox(dev, inmailbox);
+ return PTR_ERR(outmailbox);
+ }
+
+ memcpy(inbox, in_mad, 256);
/*
* Key check traps can't be generated unless we have in_wc to
@@ -1671,97 +1626,65 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
if (in_wc) {
u8 val;
- memset(box + 256, 0, 256);
+ memset(inbox + 256, 0, 256);
- MTHCA_PUT(box, in_wc->qp_num, MAD_IFC_MY_QPN_OFFSET);
- MTHCA_PUT(box, in_wc->src_qp, MAD_IFC_RQPN_OFFSET);
+ MTHCA_PUT(inbox, in_wc->qp_num, MAD_IFC_MY_QPN_OFFSET);
+ MTHCA_PUT(inbox, in_wc->src_qp, MAD_IFC_RQPN_OFFSET);
val = in_wc->sl << 4;
- MTHCA_PUT(box, val, MAD_IFC_SL_OFFSET);
+ MTHCA_PUT(inbox, val, MAD_IFC_SL_OFFSET);
val = in_wc->dlid_path_bits |
(in_wc->wc_flags & IB_WC_GRH ? 0x80 : 0);
- MTHCA_PUT(box, val, MAD_IFC_GRH_OFFSET);
+ MTHCA_PUT(inbox, val, MAD_IFC_GRH_OFFSET);
- MTHCA_PUT(box, in_wc->slid, MAD_IFC_RLID_OFFSET);
- MTHCA_PUT(box, in_wc->pkey_index, MAD_IFC_PKEY_OFFSET);
+ MTHCA_PUT(inbox, in_wc->slid, MAD_IFC_RLID_OFFSET);
+ MTHCA_PUT(inbox, in_wc->pkey_index, MAD_IFC_PKEY_OFFSET);
if (in_grh)
- memcpy((u8 *) box + MAD_IFC_GRH_OFFSET, in_grh, 40);
+ memcpy(inbox + MAD_IFC_GRH_OFFSET, in_grh, 40);
op_modifier |= 0x10;
in_modifier |= in_wc->slid << 16;
}
- err = mthca_cmd_box(dev, dma, dma + 512, in_modifier, op_modifier,
+ err = mthca_cmd_box(dev, inmailbox->dma, outmailbox->dma,
+ in_modifier, op_modifier,
CMD_MAD_IFC, CMD_TIME_CLASS_C, status);
if (!err && !*status)
- memcpy(response_mad, box + 512, 256);
+ memcpy(response_mad, outmailbox->buf, 256);
- pci_free_consistent(dev->pdev, MAD_IFC_BOX_SIZE, box, dma);
+ mthca_free_mailbox(dev, inmailbox);
+ mthca_free_mailbox(dev, outmailbox);
return err;
}
-int mthca_READ_MGM(struct mthca_dev *dev, int index, void *mgm,
- u8 *status)
+int mthca_READ_MGM(struct mthca_dev *dev, int index,
+ struct mthca_mailbox *mailbox, u8 *status)
{
- dma_addr_t outdma = 0;
- int err;
-
- outdma = pci_map_single(dev->pdev, mgm,
- MTHCA_MGM_ENTRY_SIZE,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(outdma))
- return -ENOMEM;
-
- err = mthca_cmd_box(dev, 0, outdma, index, 0,
- CMD_READ_MGM,
- CMD_TIME_CLASS_A, status);
-
- pci_unmap_single(dev->pdev, outdma,
- MTHCA_MGM_ENTRY_SIZE,
- PCI_DMA_FROMDEVICE);
- return err;
+ return mthca_cmd_box(dev, 0, mailbox->dma, index, 0,
+ CMD_READ_MGM, CMD_TIME_CLASS_A, status);
}
-int mthca_WRITE_MGM(struct mthca_dev *dev, int index, void *mgm,
- u8 *status)
+int mthca_WRITE_MGM(struct mthca_dev *dev, int index,
+ struct mthca_mailbox *mailbox, u8 *status)
{
- dma_addr_t indma;
- int err;
-
- indma = pci_map_single(dev->pdev, mgm,
- MTHCA_MGM_ENTRY_SIZE,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(indma))
- return -ENOMEM;
-
- err = mthca_cmd(dev, indma, index, 0, CMD_WRITE_MGM,
- CMD_TIME_CLASS_A, status);
-
- pci_unmap_single(dev->pdev, indma,
- MTHCA_MGM_ENTRY_SIZE, PCI_DMA_TODEVICE);
- return err;
+ return mthca_cmd(dev, mailbox->dma, index, 0, CMD_WRITE_MGM,
+ CMD_TIME_CLASS_A, status);
}
-int mthca_MGID_HASH(struct mthca_dev *dev, void *gid, u16 *hash,
- u8 *status)
+int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
+ u16 *hash, u8 *status)
{
- dma_addr_t indma;
u64 imm;
int err;
- indma = pci_map_single(dev->pdev, gid, 16, PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(indma))
- return -ENOMEM;
-
- err = mthca_cmd_imm(dev, indma, &imm, 0, 0, CMD_MGID_HASH,
+ err = mthca_cmd_imm(dev, mailbox->dma, &imm, 0, 0, CMD_MGID_HASH,
CMD_TIME_CLASS_A, status);
- *hash = imm;
- pci_unmap_single(dev->pdev, indma, 16, PCI_DMA_TODEVICE);
+ *hash = imm;
return err;
}
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.h b/drivers/infiniband/hw/mthca/mthca_cmd.h
index adf039b3c54..ed517f175dd 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.h
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.h
@@ -37,8 +37,7 @@
#include <ib_verbs.h>
-#define MTHCA_CMD_MAILBOX_ALIGN 16UL
-#define MTHCA_CMD_MAILBOX_EXTRA (MTHCA_CMD_MAILBOX_ALIGN - 1)
+#define MTHCA_MAILBOX_SIZE 4096
enum {
/* command completed successfully: */
@@ -112,6 +111,11 @@ enum {
DEV_LIM_FLAG_UD_MULTI = 1 << 21,
};
+struct mthca_mailbox {
+ dma_addr_t dma;
+ void *buf;
+};
+
struct mthca_dev_lim {
int max_srq_sz;
int max_qp_sz;
@@ -235,11 +239,17 @@ struct mthca_set_ib_param {
u32 cap_mask;
};
+int mthca_cmd_init(struct mthca_dev *dev);
+void mthca_cmd_cleanup(struct mthca_dev *dev);
int mthca_cmd_use_events(struct mthca_dev *dev);
void mthca_cmd_use_polling(struct mthca_dev *dev);
void mthca_cmd_event(struct mthca_dev *dev, u16 token,
u8 status, u64 out_param);
+struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev,
+ unsigned int gfp_mask);
+void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox);
+
int mthca_SYS_EN(struct mthca_dev *dev, u8 *status);
int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status);
int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status);
@@ -270,41 +280,39 @@ int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status);
int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev, u8 *status);
int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages,
u8 *status);
-int mthca_SW2HW_MPT(struct mthca_dev *dev, void *mpt_entry,
+int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int mpt_index, u8 *status);
-int mthca_HW2SW_MPT(struct mthca_dev *dev, void *mpt_entry,
+int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int mpt_index, u8 *status);
-int mthca_WRITE_MTT(struct mthca_dev *dev, u64 *mtt_entry,
+int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int num_mtt, u8 *status);
int mthca_SYNC_TPT(struct mthca_dev *dev, u8 *status);
int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
int eq_num, u8 *status);
-int mthca_SW2HW_EQ(struct mthca_dev *dev, void *eq_context,
+int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int eq_num, u8 *status);
-int mthca_HW2SW_EQ(struct mthca_dev *dev, void *eq_context,
+int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int eq_num, u8 *status);
-int mthca_SW2HW_CQ(struct mthca_dev *dev, void *cq_context,
+int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int cq_num, u8 *status);
-int mthca_HW2SW_CQ(struct mthca_dev *dev, void *cq_context,
+int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int cq_num, u8 *status);
int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
- int is_ee, void *qp_context, u32 optmask,
+ int is_ee, struct mthca_mailbox *mailbox, u32 optmask,
u8 *status);
int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
- void *qp_context, u8 *status);
+ struct mthca_mailbox *mailbox, u8 *status);
int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn,
u8 *status);
int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
- int port, struct ib_wc* in_wc, struct ib_grh* in_grh,
+ int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
void *in_mad, void *response_mad, u8 *status);
-int mthca_READ_MGM(struct mthca_dev *dev, int index, void *mgm,
- u8 *status);
-int mthca_WRITE_MGM(struct mthca_dev *dev, int index, void *mgm,
- u8 *status);
-int mthca_MGID_HASH(struct mthca_dev *dev, void *gid, u16 *hash,
- u8 *status);
+int mthca_READ_MGM(struct mthca_dev *dev, int index,
+ struct mthca_mailbox *mailbox, u8 *status);
+int mthca_WRITE_MGM(struct mthca_dev *dev, int index,
+ struct mthca_mailbox *mailbox, u8 *status);
+int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
+ u16 *hash, u8 *status);
int mthca_NOP(struct mthca_dev *dev, u8 *status);
-#define MAILBOX_ALIGN(x) ((void *) ALIGN((unsigned long) (x), MTHCA_CMD_MAILBOX_ALIGN))
-
#endif /* MTHCA_CMD_H */
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 2bf347b84c3..766e9031ec4 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -171,6 +172,17 @@ static inline void set_cqe_hw(struct mthca_cqe *cqe)
cqe->owner = MTHCA_CQ_ENTRY_OWNER_HW;
}
+static void dump_cqe(struct mthca_dev *dev, void *cqe_ptr)
+{
+ __be32 *cqe = cqe_ptr;
+
+ (void) cqe; /* avoid warning if mthca_dbg compiled away... */
+ mthca_dbg(dev, "CQE contents %08x %08x %08x %08x %08x %08x %08x %08x\n",
+ be32_to_cpu(cqe[0]), be32_to_cpu(cqe[1]), be32_to_cpu(cqe[2]),
+ be32_to_cpu(cqe[3]), be32_to_cpu(cqe[4]), be32_to_cpu(cqe[5]),
+ be32_to_cpu(cqe[6]), be32_to_cpu(cqe[7]));
+}
+
/*
* incr is ignored in native Arbel (mem-free) mode, so cq->cons_index
* should be correct before calling update_cons_index().
@@ -280,16 +292,12 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq,
int dbd;
u32 new_wqe;
- if (1 && cqe->syndrome != SYNDROME_WR_FLUSH_ERR) {
- int j;
-
- mthca_dbg(dev, "%x/%d: error CQE -> QPN %06x, WQE @ %08x\n",
- cq->cqn, cq->cons_index, be32_to_cpu(cqe->my_qpn),
- be32_to_cpu(cqe->wqe));
-
- for (j = 0; j < 8; ++j)
- printk(KERN_DEBUG " [%2x] %08x\n",
- j * 4, be32_to_cpu(((u32 *) cqe)[j]));
+ if (cqe->syndrome == SYNDROME_LOCAL_QP_OP_ERR) {
+ mthca_dbg(dev, "local QP operation err "
+ "(QPN %06x, WQE @ %08x, CQN %06x, index %d)\n",
+ be32_to_cpu(cqe->my_qpn), be32_to_cpu(cqe->wqe),
+ cq->cqn, cq->cons_index);
+ dump_cqe(dev, cqe);
}
/*
@@ -377,15 +385,6 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq,
return 0;
}
-static void dump_cqe(struct mthca_cqe *cqe)
-{
- int j;
-
- for (j = 0; j < 8; ++j)
- printk(KERN_DEBUG " [%2x] %08x\n",
- j * 4, be32_to_cpu(((u32 *) cqe)[j]));
-}
-
static inline int mthca_poll_one(struct mthca_dev *dev,
struct mthca_cq *cq,
struct mthca_qp **cur_qp,
@@ -414,8 +413,7 @@ static inline int mthca_poll_one(struct mthca_dev *dev,
mthca_dbg(dev, "%x/%d: CQE -> QPN %06x, WQE @ %08x\n",
cq->cqn, cq->cons_index, be32_to_cpu(cqe->my_qpn),
be32_to_cpu(cqe->wqe));
-
- dump_cqe(cqe);
+ dump_cqe(dev, cqe);
}
is_error = (cqe->opcode & MTHCA_ERROR_CQE_OPCODE_MASK) ==
@@ -638,19 +636,19 @@ static void mthca_free_cq_buf(struct mthca_dev *dev, struct mthca_cq *cq)
int size;
if (cq->is_direct)
- pci_free_consistent(dev->pdev,
- (cq->ibcq.cqe + 1) * MTHCA_CQ_ENTRY_SIZE,
- cq->queue.direct.buf,
- pci_unmap_addr(&cq->queue.direct,
- mapping));
+ dma_free_coherent(&dev->pdev->dev,
+ (cq->ibcq.cqe + 1) * MTHCA_CQ_ENTRY_SIZE,
+ cq->queue.direct.buf,
+ pci_unmap_addr(&cq->queue.direct,
+ mapping));
else {
size = (cq->ibcq.cqe + 1) * MTHCA_CQ_ENTRY_SIZE;
for (i = 0; i < (size + PAGE_SIZE - 1) / PAGE_SIZE; ++i)
if (cq->queue.page_list[i].buf)
- pci_free_consistent(dev->pdev, PAGE_SIZE,
- cq->queue.page_list[i].buf,
- pci_unmap_addr(&cq->queue.page_list[i],
- mapping));
+ dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
+ cq->queue.page_list[i].buf,
+ pci_unmap_addr(&cq->queue.page_list[i],
+ mapping));
kfree(cq->queue.page_list);
}
@@ -670,8 +668,8 @@ static int mthca_alloc_cq_buf(struct mthca_dev *dev, int size,
npages = 1;
shift = get_order(size) + PAGE_SHIFT;
- cq->queue.direct.buf = pci_alloc_consistent(dev->pdev,
- size, &t);
+ cq->queue.direct.buf = dma_alloc_coherent(&dev->pdev->dev,
+ size, &t, GFP_KERNEL);
if (!cq->queue.direct.buf)
return -ENOMEM;
@@ -709,7 +707,8 @@ static int mthca_alloc_cq_buf(struct mthca_dev *dev, int size,
for (i = 0; i < npages; ++i) {
cq->queue.page_list[i].buf =
- pci_alloc_consistent(dev->pdev, PAGE_SIZE, &t);
+ dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE,
+ &t, GFP_KERNEL);
if (!cq->queue.page_list[i].buf)
goto err_free;
@@ -746,7 +745,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
struct mthca_cq *cq)
{
int size = nent * MTHCA_CQ_ENTRY_SIZE;
- void *mailbox = NULL;
+ struct mthca_mailbox *mailbox;
struct mthca_cq_context *cq_context;
int err = -ENOMEM;
u8 status;
@@ -780,12 +779,11 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
goto err_out_ci;
}
- mailbox = kmalloc(sizeof (struct mthca_cq_context) + MTHCA_CMD_MAILBOX_EXTRA,
- GFP_KERNEL);
- if (!mailbox)
- goto err_out_mailbox;
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ goto err_out_arm;
- cq_context = MAILBOX_ALIGN(mailbox);
+ cq_context = mailbox->buf;
err = mthca_alloc_cq_buf(dev, size, cq);
if (err)
@@ -816,7 +814,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
cq_context->state_db = cpu_to_be32(cq->arm_db_index);
}
- err = mthca_SW2HW_CQ(dev, cq_context, cq->cqn, &status);
+ err = mthca_SW2HW_CQ(dev, mailbox, cq->cqn, &status);
if (err) {
mthca_warn(dev, "SW2HW_CQ failed (%d)\n", err);
goto err_out_free_mr;
@@ -840,7 +838,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
cq->cons_index = 0;
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
return 0;
@@ -849,8 +847,9 @@ err_out_free_mr:
mthca_free_cq_buf(dev, cq);
err_out_mailbox:
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
+err_out_arm:
if (mthca_is_memfree(dev))
mthca_free_db(dev, MTHCA_DB_TYPE_CQ_ARM, cq->arm_db_index);
@@ -870,28 +869,26 @@ err_out:
void mthca_free_cq(struct mthca_dev *dev,
struct mthca_cq *cq)
{
- void *mailbox;
+ struct mthca_mailbox *mailbox;
int err;
u8 status;
might_sleep();
- mailbox = kmalloc(sizeof (struct mthca_cq_context) + MTHCA_CMD_MAILBOX_EXTRA,
- GFP_KERNEL);
- if (!mailbox) {
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox)) {
mthca_warn(dev, "No memory for mailbox to free CQ.\n");
return;
}
- err = mthca_HW2SW_CQ(dev, MAILBOX_ALIGN(mailbox), cq->cqn, &status);
+ err = mthca_HW2SW_CQ(dev, mailbox, cq->cqn, &status);
if (err)
mthca_warn(dev, "HW2SW_CQ failed (%d)\n", err);
else if (status)
- mthca_warn(dev, "HW2SW_CQ returned status 0x%02x\n",
- status);
+ mthca_warn(dev, "HW2SW_CQ returned status 0x%02x\n", status);
if (0) {
- u32 *ctx = MAILBOX_ALIGN(mailbox);
+ u32 *ctx = mailbox->buf;
int j;
printk(KERN_ERR "context for CQN %x (cons index %x, next sw %d)\n",
@@ -919,11 +916,11 @@ void mthca_free_cq(struct mthca_dev *dev,
if (mthca_is_memfree(dev)) {
mthca_free_db(dev, MTHCA_DB_TYPE_CQ_ARM, cq->arm_db_index);
mthca_free_db(dev, MTHCA_DB_TYPE_CQ_SET_CI, cq->set_ci_db_index);
- mthca_table_put(dev, dev->cq_table.table, cq->cqn);
}
+ mthca_table_put(dev, dev->cq_table.table, cq->cqn);
mthca_free(&dev->cq_table.alloc, cq->cqn);
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
}
int __devinit mthca_init_cq_table(struct mthca_dev *dev)
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index e3d79e267dc..4127f09dc5e 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -46,8 +47,8 @@
#define DRV_NAME "ib_mthca"
#define PFX DRV_NAME ": "
-#define DRV_VERSION "0.06-pre"
-#define DRV_RELDATE "November 8, 2004"
+#define DRV_VERSION "0.06"
+#define DRV_RELDATE "June 23, 2005"
enum {
MTHCA_FLAG_DDR_HIDDEN = 1 << 1,
@@ -98,6 +99,7 @@ enum {
};
struct mthca_cmd {
+ struct pci_pool *pool;
int use_events;
struct semaphore hcr_sem;
struct semaphore poll_sem;
@@ -379,6 +381,12 @@ void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd);
void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
+struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size);
+void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt);
+int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
+ int start_index, u64 *buffer_list, int list_len);
+int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
+ u64 iova, u64 total_size, u32 access, struct mthca_mr *mr);
int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
u32 access, struct mthca_mr *mr);
int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
diff --git a/drivers/infiniband/hw/mthca/mthca_doorbell.h b/drivers/infiniband/hw/mthca/mthca_doorbell.h
index 821039a4904..535fad7710f 100644
--- a/drivers/infiniband/hw/mthca/mthca_doorbell.h
+++ b/drivers/infiniband/hw/mthca/mthca_doorbell.h
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index f46d615d396..cbcf2b4722e 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -469,7 +469,7 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
PAGE_SIZE;
u64 *dma_list = NULL;
dma_addr_t t;
- void *mailbox = NULL;
+ struct mthca_mailbox *mailbox;
struct mthca_eq_context *eq_context;
int err = -ENOMEM;
int i;
@@ -494,17 +494,16 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
if (!dma_list)
goto err_out_free;
- mailbox = kmalloc(sizeof *eq_context + MTHCA_CMD_MAILBOX_EXTRA,
- GFP_KERNEL);
- if (!mailbox)
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
goto err_out_free;
- eq_context = MAILBOX_ALIGN(mailbox);
+ eq_context = mailbox->buf;
for (i = 0; i < npages; ++i) {
- eq->page_list[i].buf = pci_alloc_consistent(dev->pdev,
- PAGE_SIZE, &t);
+ eq->page_list[i].buf = dma_alloc_coherent(&dev->pdev->dev,
+ PAGE_SIZE, &t, GFP_KERNEL);
if (!eq->page_list[i].buf)
- goto err_out_free;
+ goto err_out_free_pages;
dma_list[i] = t;
pci_unmap_addr_set(&eq->page_list[i], mapping, t);
@@ -517,7 +516,7 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
eq->eqn = mthca_alloc(&dev->eq_table.alloc);
if (eq->eqn == -1)
- goto err_out_free;
+ goto err_out_free_pages;
err = mthca_mr_alloc_phys(dev, dev->driver_pd.pd_num,
dma_list, PAGE_SHIFT, npages,
@@ -548,7 +547,7 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
eq_context->intr = intr;
eq_context->lkey = cpu_to_be32(eq->mr.ibmr.lkey);
- err = mthca_SW2HW_EQ(dev, eq_context, eq->eqn, &status);
+ err = mthca_SW2HW_EQ(dev, mailbox, eq->eqn, &status);
if (err) {
mthca_warn(dev, "SW2HW_EQ failed (%d)\n", err);
goto err_out_free_mr;
@@ -561,7 +560,7 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
}
kfree(dma_list);
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
eq->eqn_mask = swab32(1 << eq->eqn);
eq->cons_index = 0;
@@ -579,17 +578,19 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
err_out_free_eq:
mthca_free(&dev->eq_table.alloc, eq->eqn);
- err_out_free:
+ err_out_free_pages:
for (i = 0; i < npages; ++i)
if (eq->page_list[i].buf)
- pci_free_consistent(dev->pdev, PAGE_SIZE,
- eq->page_list[i].buf,
- pci_unmap_addr(&eq->page_list[i],
- mapping));
+ dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
+ eq->page_list[i].buf,
+ pci_unmap_addr(&eq->page_list[i],
+ mapping));
+
+ mthca_free_mailbox(dev, mailbox);
+ err_out_free:
kfree(eq->page_list);
kfree(dma_list);
- kfree(mailbox);
err_out:
return err;
@@ -598,25 +599,22 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
static void mthca_free_eq(struct mthca_dev *dev,
struct mthca_eq *eq)
{
- void *mailbox = NULL;
+ struct mthca_mailbox *mailbox;
int err;
u8 status;
int npages = (eq->nent * MTHCA_EQ_ENTRY_SIZE + PAGE_SIZE - 1) /
PAGE_SIZE;
int i;
- mailbox = kmalloc(sizeof (struct mthca_eq_context) + MTHCA_CMD_MAILBOX_EXTRA,
- GFP_KERNEL);
- if (!mailbox)
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
return;
- err = mthca_HW2SW_EQ(dev, MAILBOX_ALIGN(mailbox),
- eq->eqn, &status);
+ err = mthca_HW2SW_EQ(dev, mailbox, eq->eqn, &status);
if (err)
mthca_warn(dev, "HW2SW_EQ failed (%d)\n", err);
if (status)
- mthca_warn(dev, "HW2SW_EQ returned status 0x%02x\n",
- status);
+ mthca_warn(dev, "HW2SW_EQ returned status 0x%02x\n", status);
dev->eq_table.arm_mask &= ~eq->eqn_mask;
@@ -625,7 +623,7 @@ static void mthca_free_eq(struct mthca_dev *dev,
for (i = 0; i < sizeof (struct mthca_eq_context) / 4; ++i) {
if (i % 4 == 0)
printk("[%02x] ", i * 4);
- printk(" %08x", be32_to_cpup(MAILBOX_ALIGN(mailbox) + i * 4));
+ printk(" %08x", be32_to_cpup(mailbox->buf + i * 4));
if ((i + 1) % 4 == 0)
printk("\n");
}
@@ -638,7 +636,7 @@ static void mthca_free_eq(struct mthca_dev *dev,
pci_unmap_addr(&eq->page_list[i], mapping));
kfree(eq->page_list);
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
}
static void mthca_free_irqs(struct mthca_dev *dev)
@@ -709,8 +707,7 @@ static int __devinit mthca_map_eq_regs(struct mthca_dev *dev)
if (mthca_map_reg(dev, ((pci_resource_len(dev->pdev, 0) - 1) &
dev->fw.arbel.eq_arm_base) + 4, 4,
&dev->eq_regs.arbel.eq_arm)) {
- mthca_err(dev, "Couldn't map interrupt clear register, "
- "aborting.\n");
+ mthca_err(dev, "Couldn't map EQ arm register, aborting.\n");
mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
dev->fw.arbel.clr_int_base, MTHCA_CLR_INT_SIZE,
dev->clr_base);
@@ -721,8 +718,7 @@ static int __devinit mthca_map_eq_regs(struct mthca_dev *dev)
dev->fw.arbel.eq_set_ci_base,
MTHCA_EQ_SET_CI_SIZE,
&dev->eq_regs.arbel.eq_set_ci_base)) {
- mthca_err(dev, "Couldn't map interrupt clear register, "
- "aborting.\n");
+ mthca_err(dev, "Couldn't map EQ CI register, aborting.\n");
mthca_unmap_reg(dev, ((pci_resource_len(dev->pdev, 0) - 1) &
dev->fw.arbel.eq_arm_base) + 4, 4,
dev->eq_regs.arbel.eq_arm);
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index d40590356df..09519b604c0 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -69,7 +70,7 @@ MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero");
#endif /* CONFIG_PCI_MSI */
static const char mthca_version[] __devinitdata =
- "ib_mthca: Mellanox InfiniBand HCA driver v"
+ DRV_NAME ": Mellanox InfiniBand HCA driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
static struct mthca_profile default_profile = {
@@ -927,13 +928,13 @@ static int __devinit mthca_init_one(struct pci_dev *pdev,
*/
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
pci_resource_len(pdev, 0) != 1 << 20) {
- dev_err(&pdev->dev, "Missing DCS, aborting.");
+ dev_err(&pdev->dev, "Missing DCS, aborting.\n");
err = -ENODEV;
goto err_disable_pdev;
}
if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM) ||
pci_resource_len(pdev, 2) != 1 << 23) {
- dev_err(&pdev->dev, "Missing UAR, aborting.");
+ dev_err(&pdev->dev, "Missing UAR, aborting.\n");
err = -ENODEV;
goto err_disable_pdev;
}
@@ -1004,25 +1005,18 @@ static int __devinit mthca_init_one(struct pci_dev *pdev,
!pci_enable_msi(pdev))
mdev->mthca_flags |= MTHCA_FLAG_MSI;
- sema_init(&mdev->cmd.hcr_sem, 1);
- sema_init(&mdev->cmd.poll_sem, 1);
- mdev->cmd.use_events = 0;
-
- mdev->hcr = ioremap(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE, MTHCA_HCR_SIZE);
- if (!mdev->hcr) {
- mthca_err(mdev, "Couldn't map command register, "
- "aborting.\n");
- err = -ENOMEM;
+ if (mthca_cmd_init(mdev)) {
+ mthca_err(mdev, "Failed to init command interface, aborting.\n");
goto err_free_dev;
}
err = mthca_tune_pci(mdev);
if (err)
- goto err_iounmap;
+ goto err_cmd;
err = mthca_init_hca(mdev);
if (err)
- goto err_iounmap;
+ goto err_cmd;
if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
mthca_warn(mdev, "HCA FW version %x.%x.%x is old (%x.%x.%x is current).\n",
@@ -1070,8 +1064,8 @@ err_cleanup:
err_close:
mthca_close_hca(mdev);
-err_iounmap:
- iounmap(mdev->hcr);
+err_cmd:
+ mthca_cmd_cleanup(mdev);
err_free_dev:
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
@@ -1118,10 +1112,8 @@ static void __devexit mthca_remove_one(struct pci_dev *pdev)
iounmap(mdev->kar);
mthca_uar_free(mdev, &mdev->driver_uar);
mthca_cleanup_uar_table(mdev);
-
mthca_close_hca(mdev);
-
- iounmap(mdev->hcr);
+ mthca_cmd_cleanup(mdev);
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
pci_disable_msix(pdev);
@@ -1163,7 +1155,7 @@ static struct pci_device_id mthca_pci_table[] = {
MODULE_DEVICE_TABLE(pci, mthca_pci_table);
static struct pci_driver mthca_driver = {
- .name = "ib_mthca",
+ .name = DRV_NAME,
.id_table = mthca_pci_table,
.probe = mthca_init_one,
.remove = __devexit_p(mthca_remove_one)
diff --git a/drivers/infiniband/hw/mthca/mthca_mcg.c b/drivers/infiniband/hw/mthca/mthca_mcg.c
index 70a6553a588..5be7d949dbf 100644
--- a/drivers/infiniband/hw/mthca/mthca_mcg.c
+++ b/drivers/infiniband/hw/mthca/mthca_mcg.c
@@ -66,22 +66,23 @@ static const u8 zero_gid[16]; /* automatically initialized to 0 */
* entry in hash chain and *mgm holds end of hash chain.
*/
static int find_mgm(struct mthca_dev *dev,
- u8 *gid, struct mthca_mgm *mgm,
+ u8 *gid, struct mthca_mailbox *mgm_mailbox,
u16 *hash, int *prev, int *index)
{
- void *mailbox;
+ struct mthca_mailbox *mailbox;
+ struct mthca_mgm *mgm = mgm_mailbox->buf;
u8 *mgid;
int err;
u8 status;
- mailbox = kmalloc(16 + MTHCA_CMD_MAILBOX_EXTRA, GFP_KERNEL);
- if (!mailbox)
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
return -ENOMEM;
- mgid = MAILBOX_ALIGN(mailbox);
+ mgid = mailbox->buf;
memcpy(mgid, gid, 16);
- err = mthca_MGID_HASH(dev, mgid, hash, &status);
+ err = mthca_MGID_HASH(dev, mailbox, hash, &status);
if (err)
goto out;
if (status) {
@@ -103,7 +104,7 @@ static int find_mgm(struct mthca_dev *dev,
*prev = -1;
do {
- err = mthca_READ_MGM(dev, *index, mgm, &status);
+ err = mthca_READ_MGM(dev, *index, mgm_mailbox, &status);
if (err)
goto out;
if (status) {
@@ -129,14 +130,14 @@ static int find_mgm(struct mthca_dev *dev,
*index = -1;
out:
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
struct mthca_dev *dev = to_mdev(ibqp->device);
- void *mailbox;
+ struct mthca_mailbox *mailbox;
struct mthca_mgm *mgm;
u16 hash;
int index, prev;
@@ -145,15 +146,15 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
int err;
u8 status;
- mailbox = kmalloc(sizeof *mgm + MTHCA_CMD_MAILBOX_EXTRA, GFP_KERNEL);
- if (!mailbox)
- return -ENOMEM;
- mgm = MAILBOX_ALIGN(mailbox);
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ mgm = mailbox->buf;
if (down_interruptible(&dev->mcg_table.sem))
return -EINTR;
- err = find_mgm(dev, gid->raw, mgm, &hash, &prev, &index);
+ err = find_mgm(dev, gid->raw, mailbox, &hash, &prev, &index);
if (err)
goto out;
@@ -170,7 +171,7 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
goto out;
}
- err = mthca_READ_MGM(dev, index, mgm, &status);
+ err = mthca_READ_MGM(dev, index, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -195,7 +196,7 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
goto out;
}
- err = mthca_WRITE_MGM(dev, index, mgm, &status);
+ err = mthca_WRITE_MGM(dev, index, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -206,7 +207,7 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
if (!link)
goto out;
- err = mthca_READ_MGM(dev, prev, mgm, &status);
+ err = mthca_READ_MGM(dev, prev, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -217,7 +218,7 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
mgm->next_gid_index = cpu_to_be32(index << 5);
- err = mthca_WRITE_MGM(dev, prev, mgm, &status);
+ err = mthca_WRITE_MGM(dev, prev, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -227,14 +228,14 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
out:
up(&dev->mcg_table.sem);
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
struct mthca_dev *dev = to_mdev(ibqp->device);
- void *mailbox;
+ struct mthca_mailbox *mailbox;
struct mthca_mgm *mgm;
u16 hash;
int prev, index;
@@ -242,15 +243,15 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
int err;
u8 status;
- mailbox = kmalloc(sizeof *mgm + MTHCA_CMD_MAILBOX_EXTRA, GFP_KERNEL);
- if (!mailbox)
- return -ENOMEM;
- mgm = MAILBOX_ALIGN(mailbox);
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ mgm = mailbox->buf;
if (down_interruptible(&dev->mcg_table.sem))
return -EINTR;
- err = find_mgm(dev, gid->raw, mgm, &hash, &prev, &index);
+ err = find_mgm(dev, gid->raw, mailbox, &hash, &prev, &index);
if (err)
goto out;
@@ -285,7 +286,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
mgm->qp[loc] = mgm->qp[i - 1];
mgm->qp[i - 1] = 0;
- err = mthca_WRITE_MGM(dev, index, mgm, &status);
+ err = mthca_WRITE_MGM(dev, index, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -304,7 +305,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
if (be32_to_cpu(mgm->next_gid_index) >> 5) {
err = mthca_READ_MGM(dev,
be32_to_cpu(mgm->next_gid_index) >> 5,
- mgm, &status);
+ mailbox, &status);
if (err)
goto out;
if (status) {
@@ -316,7 +317,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
} else
memset(mgm->gid, 0, 16);
- err = mthca_WRITE_MGM(dev, index, mgm, &status);
+ err = mthca_WRITE_MGM(dev, index, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -327,7 +328,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
} else {
/* Remove entry from AMGM */
index = be32_to_cpu(mgm->next_gid_index) >> 5;
- err = mthca_READ_MGM(dev, prev, mgm, &status);
+ err = mthca_READ_MGM(dev, prev, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -338,7 +339,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
mgm->next_gid_index = cpu_to_be32(index << 5);
- err = mthca_WRITE_MGM(dev, prev, mgm, &status);
+ err = mthca_WRITE_MGM(dev, prev, mailbox, &status);
if (err)
goto out;
if (status) {
@@ -350,7 +351,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
out:
up(&dev->mcg_table.sem);
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
return err;
}
diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c
index 637b30e3559..6d3b05dd9e3 100644
--- a/drivers/infiniband/hw/mthca/mthca_memfree.c
+++ b/drivers/infiniband/hw/mthca/mthca_memfree.c
@@ -179,9 +179,14 @@ out:
void mthca_table_put(struct mthca_dev *dev, struct mthca_icm_table *table, int obj)
{
- int i = (obj & (table->num_obj - 1)) * table->obj_size / MTHCA_TABLE_CHUNK_SIZE;
+ int i;
u8 status;
+ if (!mthca_is_memfree(dev))
+ return;
+
+ i = (obj & (table->num_obj - 1)) * table->obj_size / MTHCA_TABLE_CHUNK_SIZE;
+
down(&table->mutex);
if (--table->icm[i]->refcount == 0) {
@@ -256,6 +261,9 @@ void mthca_table_put_range(struct mthca_dev *dev, struct mthca_icm_table *table,
{
int i;
+ if (!mthca_is_memfree(dev))
+ return;
+
for (i = start; i <= end; i += MTHCA_TABLE_CHUNK_SIZE / table->obj_size)
mthca_table_put(dev, table, i);
}
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 8960fc2306b..cbe50feaf68 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -40,6 +40,12 @@
#include "mthca_cmd.h"
#include "mthca_memfree.h"
+struct mthca_mtt {
+ struct mthca_buddy *buddy;
+ int order;
+ u32 first_seg;
+};
+
/*
* Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
*/
@@ -173,8 +179,8 @@ static void __devexit mthca_buddy_cleanup(struct mthca_buddy *buddy)
kfree(buddy->bits);
}
-static u32 mthca_alloc_mtt(struct mthca_dev *dev, int order,
- struct mthca_buddy *buddy)
+static u32 mthca_alloc_mtt_range(struct mthca_dev *dev, int order,
+ struct mthca_buddy *buddy)
{
u32 seg = mthca_buddy_alloc(buddy, order);
@@ -191,14 +197,102 @@ static u32 mthca_alloc_mtt(struct mthca_dev *dev, int order,
return seg;
}
-static void mthca_free_mtt(struct mthca_dev *dev, u32 seg, int order,
- struct mthca_buddy* buddy)
+static struct mthca_mtt *__mthca_alloc_mtt(struct mthca_dev *dev, int size,
+ struct mthca_buddy *buddy)
{
- mthca_buddy_free(buddy, seg, order);
+ struct mthca_mtt *mtt;
+ int i;
- if (mthca_is_memfree(dev))
- mthca_table_put_range(dev, dev->mr_table.mtt_table, seg,
- seg + (1 << order) - 1);
+ if (size <= 0)
+ return ERR_PTR(-EINVAL);
+
+ mtt = kmalloc(sizeof *mtt, GFP_KERNEL);
+ if (!mtt)
+ return ERR_PTR(-ENOMEM);
+
+ mtt->buddy = buddy;
+ mtt->order = 0;
+ for (i = MTHCA_MTT_SEG_SIZE / 8; i < size; i <<= 1)
+ ++mtt->order;
+
+ mtt->first_seg = mthca_alloc_mtt_range(dev, mtt->order, buddy);
+ if (mtt->first_seg == -1) {
+ kfree(mtt);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ return mtt;
+}
+
+struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size)
+{
+ return __mthca_alloc_mtt(dev, size, &dev->mr_table.mtt_buddy);
+}
+
+void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt)
+{
+ if (!mtt)
+ return;
+
+ mthca_buddy_free(mtt->buddy, mtt->first_seg, mtt->order);
+
+ mthca_table_put_range(dev, dev->mr_table.mtt_table,
+ mtt->first_seg,
+ mtt->first_seg + (1 << mtt->order) - 1);
+
+ kfree(mtt);
+}
+
+int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
+ int start_index, u64 *buffer_list, int list_len)
+{
+ struct mthca_mailbox *mailbox;
+ u64 *mtt_entry;
+ int err = 0;
+ u8 status;
+ int i;
+
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ mtt_entry = mailbox->buf;
+
+ while (list_len > 0) {
+ mtt_entry[0] = cpu_to_be64(dev->mr_table.mtt_base +
+ mtt->first_seg * MTHCA_MTT_SEG_SIZE +
+ start_index * 8);
+ mtt_entry[1] = 0;
+ for (i = 0; i < list_len && i < MTHCA_MAILBOX_SIZE / 8 - 2; ++i)
+ mtt_entry[i + 2] = cpu_to_be64(buffer_list[i] |
+ MTHCA_MTT_FLAG_PRESENT);
+
+ /*
+ * If we have an odd number of entries to write, add
+ * one more dummy entry for firmware efficiency.
+ */
+ if (i & 1)
+ mtt_entry[i + 2] = 0;
+
+ err = mthca_WRITE_MTT(dev, mailbox, (i + 1) & ~1, &status);
+ if (err) {
+ mthca_warn(dev, "WRITE_MTT failed (%d)\n", err);
+ goto out;
+ }
+ if (status) {
+ mthca_warn(dev, "WRITE_MTT returned status 0x%02x\n",
+ status);
+ err = -EINVAL;
+ goto out;
+ }
+
+ list_len -= i;
+ start_index += i;
+ buffer_list += i;
+ }
+
+out:
+ mthca_free_mailbox(dev, mailbox);
+ return err;
}
static inline u32 tavor_hw_index_to_key(u32 ind)
@@ -237,91 +331,18 @@ static inline u32 key_to_hw_index(struct mthca_dev *dev, u32 key)
return tavor_key_to_hw_index(key);
}
-int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
- u32 access, struct mthca_mr *mr)
+int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
+ u64 iova, u64 total_size, u32 access, struct mthca_mr *mr)
{
- void *mailbox = NULL;
+ struct mthca_mailbox *mailbox;
struct mthca_mpt_entry *mpt_entry;
u32 key;
+ int i;
int err;
u8 status;
might_sleep();
- mr->order = -1;
- key = mthca_alloc(&dev->mr_table.mpt_alloc);
- if (key == -1)
- return -ENOMEM;
- mr->ibmr.rkey = mr->ibmr.lkey = hw_index_to_key(dev, key);
-
- if (mthca_is_memfree(dev)) {
- err = mthca_table_get(dev, dev->mr_table.mpt_table, key);
- if (err)
- goto err_out_mpt_free;
- }
-
- mailbox = kmalloc(sizeof *mpt_entry + MTHCA_CMD_MAILBOX_EXTRA,
- GFP_KERNEL);
- if (!mailbox) {
- err = -ENOMEM;
- goto err_out_table;
- }
- mpt_entry = MAILBOX_ALIGN(mailbox);
-
- mpt_entry->flags = cpu_to_be32(MTHCA_MPT_FLAG_SW_OWNS |
- MTHCA_MPT_FLAG_MIO |
- MTHCA_MPT_FLAG_PHYSICAL |
- MTHCA_MPT_FLAG_REGION |
- access);
- mpt_entry->page_size = 0;
- mpt_entry->key = cpu_to_be32(key);
- mpt_entry->pd = cpu_to_be32(pd);
- mpt_entry->start = 0;
- mpt_entry->length = ~0ULL;
-
- memset(&mpt_entry->lkey, 0,
- sizeof *mpt_entry - offsetof(struct mthca_mpt_entry, lkey));
-
- err = mthca_SW2HW_MPT(dev, mpt_entry,
- key & (dev->limits.num_mpts - 1),
- &status);
- if (err) {
- mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);
- goto err_out_table;
- } else if (status) {
- mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n",
- status);
- err = -EINVAL;
- goto err_out_table;
- }
-
- kfree(mailbox);
- return err;
-
-err_out_table:
- if (mthca_is_memfree(dev))
- mthca_table_put(dev, dev->mr_table.mpt_table, key);
-
-err_out_mpt_free:
- mthca_free(&dev->mr_table.mpt_alloc, key);
- kfree(mailbox);
- return err;
-}
-
-int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
- u64 *buffer_list, int buffer_size_shift,
- int list_len, u64 iova, u64 total_size,
- u32 access, struct mthca_mr *mr)
-{
- void *mailbox;
- u64 *mtt_entry;
- struct mthca_mpt_entry *mpt_entry;
- u32 key;
- int err = -ENOMEM;
- u8 status;
- int i;
-
- might_sleep();
WARN_ON(buffer_size_shift >= 32);
key = mthca_alloc(&dev->mr_table.mpt_alloc);
@@ -335,75 +356,33 @@ int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
goto err_out_mpt_free;
}
- for (i = MTHCA_MTT_SEG_SIZE / 8, mr->order = 0;
- i < list_len;
- i <<= 1, ++mr->order)
- ; /* nothing */
-
- mr->first_seg = mthca_alloc_mtt(dev, mr->order,
- &dev->mr_table.mtt_buddy);
- if (mr->first_seg == -1)
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox)) {
+ err = PTR_ERR(mailbox);
goto err_out_table;
-
- /*
- * If list_len is odd, we add one more dummy entry for
- * firmware efficiency.
- */
- mailbox = kmalloc(max(sizeof *mpt_entry,
- (size_t) 8 * (list_len + (list_len & 1) + 2)) +
- MTHCA_CMD_MAILBOX_EXTRA,
- GFP_KERNEL);
- if (!mailbox)
- goto err_out_free_mtt;
-
- mtt_entry = MAILBOX_ALIGN(mailbox);
-
- mtt_entry[0] = cpu_to_be64(dev->mr_table.mtt_base +
- mr->first_seg * MTHCA_MTT_SEG_SIZE);
- mtt_entry[1] = 0;
- for (i = 0; i < list_len; ++i)
- mtt_entry[i + 2] = cpu_to_be64(buffer_list[i] |
- MTHCA_MTT_FLAG_PRESENT);
- if (list_len & 1) {
- mtt_entry[i + 2] = 0;
- ++list_len;
- }
-
- if (0) {
- mthca_dbg(dev, "Dumping MPT entry\n");
- for (i = 0; i < list_len + 2; ++i)
- printk(KERN_ERR "[%2d] %016llx\n",
- i, (unsigned long long) be64_to_cpu(mtt_entry[i]));
- }
-
- err = mthca_WRITE_MTT(dev, mtt_entry, list_len, &status);
- if (err) {
- mthca_warn(dev, "WRITE_MTT failed (%d)\n", err);
- goto err_out_mailbox_free;
- }
- if (status) {
- mthca_warn(dev, "WRITE_MTT returned status 0x%02x\n",
- status);
- err = -EINVAL;
- goto err_out_mailbox_free;
}
-
- mpt_entry = MAILBOX_ALIGN(mailbox);
+ mpt_entry = mailbox->buf;
mpt_entry->flags = cpu_to_be32(MTHCA_MPT_FLAG_SW_OWNS |
MTHCA_MPT_FLAG_MIO |
MTHCA_MPT_FLAG_REGION |
access);
+ if (!mr->mtt)
+ mpt_entry->flags |= cpu_to_be32(MTHCA_MPT_FLAG_PHYSICAL);
mpt_entry->page_size = cpu_to_be32(buffer_size_shift - 12);
mpt_entry->key = cpu_to_be32(key);
mpt_entry->pd = cpu_to_be32(pd);
mpt_entry->start = cpu_to_be64(iova);
mpt_entry->length = cpu_to_be64(total_size);
+
memset(&mpt_entry->lkey, 0,
sizeof *mpt_entry - offsetof(struct mthca_mpt_entry, lkey));
- mpt_entry->mtt_seg = cpu_to_be64(dev->mr_table.mtt_base +
- mr->first_seg * MTHCA_MTT_SEG_SIZE);
+
+ if (mr->mtt)
+ mpt_entry->mtt_seg =
+ cpu_to_be64(dev->mr_table.mtt_base +
+ mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE);
if (0) {
mthca_dbg(dev, "Dumping MPT entry %08x:\n", mr->ibmr.lkey);
@@ -416,45 +395,70 @@ int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
}
}
- err = mthca_SW2HW_MPT(dev, mpt_entry,
+ err = mthca_SW2HW_MPT(dev, mailbox,
key & (dev->limits.num_mpts - 1),
&status);
- if (err)
+ if (err) {
mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);
- else if (status) {
+ goto err_out_mailbox;
+ } else if (status) {
mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n",
status);
err = -EINVAL;
+ goto err_out_mailbox;
}
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
return err;
-err_out_mailbox_free:
- kfree(mailbox);
-
-err_out_free_mtt:
- mthca_free_mtt(dev, mr->first_seg, mr->order, &dev->mr_table.mtt_buddy);
+err_out_mailbox:
+ mthca_free_mailbox(dev, mailbox);
err_out_table:
- if (mthca_is_memfree(dev))
- mthca_table_put(dev, dev->mr_table.mpt_table, key);
+ mthca_table_put(dev, dev->mr_table.mpt_table, key);
err_out_mpt_free:
mthca_free(&dev->mr_table.mpt_alloc, key);
return err;
}
-/* Free mr or fmr */
-static void mthca_free_region(struct mthca_dev *dev, u32 lkey, int order,
- u32 first_seg, struct mthca_buddy *buddy)
+int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
+ u32 access, struct mthca_mr *mr)
{
- if (order >= 0)
- mthca_free_mtt(dev, first_seg, order, buddy);
+ mr->mtt = NULL;
+ return mthca_mr_alloc(dev, pd, 12, 0, ~0ULL, access, mr);
+}
- if (mthca_is_memfree(dev))
- mthca_table_put(dev, dev->mr_table.mpt_table,
- arbel_key_to_hw_index(lkey));
+int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
+ u64 *buffer_list, int buffer_size_shift,
+ int list_len, u64 iova, u64 total_size,
+ u32 access, struct mthca_mr *mr)
+{
+ int err;
+
+ mr->mtt = mthca_alloc_mtt(dev, list_len);
+ if (IS_ERR(mr->mtt))
+ return PTR_ERR(mr->mtt);
+
+ err = mthca_write_mtt(dev, mr->mtt, 0, buffer_list, list_len);
+ if (err) {
+ mthca_free_mtt(dev, mr->mtt);
+ return err;
+ }
+
+ err = mthca_mr_alloc(dev, pd, buffer_size_shift, iova,
+ total_size, access, mr);
+ if (err)
+ mthca_free_mtt(dev, mr->mtt);
+
+ return err;
+}
+
+/* Free mr or fmr */
+static void mthca_free_region(struct mthca_dev *dev, u32 lkey)
+{
+ mthca_table_put(dev, dev->mr_table.mpt_table,
+ arbel_key_to_hw_index(lkey));
mthca_free(&dev->mr_table.mpt_alloc, key_to_hw_index(dev, lkey));
}
@@ -476,15 +480,15 @@ void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr)
mthca_warn(dev, "HW2SW_MPT returned status 0x%02x\n",
status);
- mthca_free_region(dev, mr->ibmr.lkey, mr->order, mr->first_seg,
- &dev->mr_table.mtt_buddy);
+ mthca_free_region(dev, mr->ibmr.lkey);
+ mthca_free_mtt(dev, mr->mtt);
}
int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
u32 access, struct mthca_fmr *mr)
{
struct mthca_mpt_entry *mpt_entry;
- void *mailbox;
+ struct mthca_mailbox *mailbox;
u64 mtt_seg;
u32 key, idx;
u8 status;
@@ -522,31 +526,24 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
mr->mem.tavor.mpt = dev->mr_table.tavor_fmr.mpt_base +
sizeof *(mr->mem.tavor.mpt) * idx;
- for (i = MTHCA_MTT_SEG_SIZE / 8, mr->order = 0;
- i < list_len;
- i <<= 1, ++mr->order)
- ; /* nothing */
-
- mr->first_seg = mthca_alloc_mtt(dev, mr->order,
- dev->mr_table.fmr_mtt_buddy);
- if (mr->first_seg == -1)
+ mr->mtt = __mthca_alloc_mtt(dev, list_len, dev->mr_table.fmr_mtt_buddy);
+ if (IS_ERR(mr->mtt))
goto err_out_table;
- mtt_seg = mr->first_seg * MTHCA_MTT_SEG_SIZE;
+ mtt_seg = mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE;
if (mthca_is_memfree(dev)) {
mr->mem.arbel.mtts = mthca_table_find(dev->mr_table.mtt_table,
- mr->first_seg);
+ mr->mtt->first_seg);
BUG_ON(!mr->mem.arbel.mtts);
} else
mr->mem.tavor.mtts = dev->mr_table.tavor_fmr.mtt_base + mtt_seg;
- mailbox = kmalloc(sizeof *mpt_entry + MTHCA_CMD_MAILBOX_EXTRA,
- GFP_KERNEL);
- if (!mailbox)
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
goto err_out_free_mtt;
- mpt_entry = MAILBOX_ALIGN(mailbox);
+ mpt_entry = mailbox->buf;
mpt_entry->flags = cpu_to_be32(MTHCA_MPT_FLAG_SW_OWNS |
MTHCA_MPT_FLAG_MIO |
@@ -571,7 +568,7 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
}
}
- err = mthca_SW2HW_MPT(dev, mpt_entry,
+ err = mthca_SW2HW_MPT(dev, mailbox,
key & (dev->limits.num_mpts - 1),
&status);
if (err) {
@@ -585,19 +582,17 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
goto err_out_mailbox_free;
}
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
return 0;
err_out_mailbox_free:
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
err_out_free_mtt:
- mthca_free_mtt(dev, mr->first_seg, mr->order,
- dev->mr_table.fmr_mtt_buddy);
+ mthca_free_mtt(dev, mr->mtt);
err_out_table:
- if (mthca_is_memfree(dev))
- mthca_table_put(dev, dev->mr_table.mpt_table, key);
+ mthca_table_put(dev, dev->mr_table.mpt_table, key);
err_out_mpt_free:
mthca_free(&dev->mr_table.mpt_alloc, mr->ibmr.lkey);
@@ -609,8 +604,9 @@ int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr)
if (fmr->maps)
return -EBUSY;
- mthca_free_region(dev, fmr->ibmr.lkey, fmr->order, fmr->first_seg,
- dev->mr_table.fmr_mtt_buddy);
+ mthca_free_region(dev, fmr->ibmr.lkey);
+ mthca_free_mtt(dev, fmr->mtt);
+
return 0;
}
@@ -826,7 +822,8 @@ int __devinit mthca_init_mr_table(struct mthca_dev *dev)
if (dev->limits.reserved_mtts) {
i = fls(dev->limits.reserved_mtts - 1);
- if (mthca_alloc_mtt(dev, i, dev->mr_table.fmr_mtt_buddy) == -1) {
+ if (mthca_alloc_mtt_range(dev, i,
+ dev->mr_table.fmr_mtt_buddy) == -1) {
mthca_warn(dev, "MTT table of order %d is too small.\n",
dev->mr_table.fmr_mtt_buddy->max_order);
err = -ENOMEM;
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 159f4e6c312..0b5adfd9159 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -52,7 +53,7 @@ static int mthca_query_device(struct ib_device *ibdev,
if (!in_mad || !out_mad)
goto out;
- memset(props, 0, sizeof props);
+ memset(props, 0, sizeof *props);
props->fw_ver = mdev->fw_ver;
@@ -558,6 +559,7 @@ static struct ib_mr *mthca_reg_phys_mr(struct ib_pd *pd,
convert_access(acc), mr);
if (err) {
+ kfree(page_list);
kfree(mr);
return ERR_PTR(err);
}
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h
index 619710f95a8..4d976cccb1a 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.h
+++ b/drivers/infiniband/hw/mthca/mthca_provider.h
@@ -54,18 +54,18 @@ struct mthca_uar {
int index;
};
+struct mthca_mtt;
+
struct mthca_mr {
- struct ib_mr ibmr;
- int order;
- u32 first_seg;
+ struct ib_mr ibmr;
+ struct mthca_mtt *mtt;
};
struct mthca_fmr {
- struct ib_fmr ibmr;
+ struct ib_fmr ibmr;
struct ib_fmr_attr attr;
- int order;
- u32 first_seg;
- int maps;
+ struct mthca_mtt *mtt;
+ int maps;
union {
struct {
struct mthca_mpt_entry __iomem *mpt;
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index ca73bab11a0..163a8ef4186 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -357,6 +357,9 @@ static const struct {
[UD] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_QKEY),
+ [UC] = (IB_QP_PKEY_INDEX |
+ IB_QP_PORT |
+ IB_QP_ACCESS_FLAGS),
[RC] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_ACCESS_FLAGS),
@@ -378,6 +381,9 @@ static const struct {
[UD] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_QKEY),
+ [UC] = (IB_QP_PKEY_INDEX |
+ IB_QP_PORT |
+ IB_QP_ACCESS_FLAGS),
[RC] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_ACCESS_FLAGS),
@@ -388,6 +394,11 @@ static const struct {
[IB_QPS_RTR] = {
.trans = MTHCA_TRANS_INIT2RTR,
.req_param = {
+ [UC] = (IB_QP_AV |
+ IB_QP_PATH_MTU |
+ IB_QP_DEST_QPN |
+ IB_QP_RQ_PSN |
+ IB_QP_MAX_DEST_RD_ATOMIC),
[RC] = (IB_QP_AV |
IB_QP_PATH_MTU |
IB_QP_DEST_QPN |
@@ -398,6 +409,9 @@ static const struct {
.opt_param = {
[UD] = (IB_QP_PKEY_INDEX |
IB_QP_QKEY),
+ [UC] = (IB_QP_ALT_PATH |
+ IB_QP_ACCESS_FLAGS |
+ IB_QP_PKEY_INDEX),
[RC] = (IB_QP_ALT_PATH |
IB_QP_ACCESS_FLAGS |
IB_QP_PKEY_INDEX),
@@ -413,6 +427,8 @@ static const struct {
.trans = MTHCA_TRANS_RTR2RTS,
.req_param = {
[UD] = IB_QP_SQ_PSN,
+ [UC] = (IB_QP_SQ_PSN |
+ IB_QP_MAX_QP_RD_ATOMIC),
[RC] = (IB_QP_TIMEOUT |
IB_QP_RETRY_CNT |
IB_QP_RNR_RETRY |
@@ -423,6 +439,11 @@ static const struct {
.opt_param = {
[UD] = (IB_QP_CUR_STATE |
IB_QP_QKEY),
+ [UC] = (IB_QP_CUR_STATE |
+ IB_QP_ALT_PATH |
+ IB_QP_ACCESS_FLAGS |
+ IB_QP_PKEY_INDEX |
+ IB_QP_PATH_MIG_STATE),
[RC] = (IB_QP_CUR_STATE |
IB_QP_ALT_PATH |
IB_QP_ACCESS_FLAGS |
@@ -442,6 +463,9 @@ static const struct {
.opt_param = {
[UD] = (IB_QP_CUR_STATE |
IB_QP_QKEY),
+ [UC] = (IB_QP_ACCESS_FLAGS |
+ IB_QP_ALT_PATH |
+ IB_QP_PATH_MIG_STATE),
[RC] = (IB_QP_ACCESS_FLAGS |
IB_QP_ALT_PATH |
IB_QP_PATH_MIG_STATE |
@@ -462,6 +486,10 @@ static const struct {
.opt_param = {
[UD] = (IB_QP_CUR_STATE |
IB_QP_QKEY),
+ [UC] = (IB_QP_CUR_STATE |
+ IB_QP_ALT_PATH |
+ IB_QP_ACCESS_FLAGS |
+ IB_QP_PATH_MIG_STATE),
[RC] = (IB_QP_CUR_STATE |
IB_QP_ALT_PATH |
IB_QP_ACCESS_FLAGS |
@@ -476,6 +504,14 @@ static const struct {
.opt_param = {
[UD] = (IB_QP_PKEY_INDEX |
IB_QP_QKEY),
+ [UC] = (IB_QP_AV |
+ IB_QP_MAX_QP_RD_ATOMIC |
+ IB_QP_MAX_DEST_RD_ATOMIC |
+ IB_QP_CUR_STATE |
+ IB_QP_ALT_PATH |
+ IB_QP_ACCESS_FLAGS |
+ IB_QP_PKEY_INDEX |
+ IB_QP_PATH_MIG_STATE),
[RC] = (IB_QP_AV |
IB_QP_TIMEOUT |
IB_QP_RETRY_CNT |
@@ -501,6 +537,7 @@ static const struct {
.opt_param = {
[UD] = (IB_QP_CUR_STATE |
IB_QP_QKEY),
+ [UC] = (IB_QP_CUR_STATE),
[RC] = (IB_QP_CUR_STATE |
IB_QP_MIN_RNR_TIMER),
[MLX] = (IB_QP_CUR_STATE |
@@ -552,7 +589,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
struct mthca_dev *dev = to_mdev(ibqp->device);
struct mthca_qp *qp = to_mqp(ibqp);
enum ib_qp_state cur_state, new_state;
- void *mailbox = NULL;
+ struct mthca_mailbox *mailbox;
struct mthca_qp_param *qp_param;
struct mthca_qp_context *qp_context;
u32 req_param, opt_param;
@@ -609,10 +646,10 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
return -EINVAL;
}
- mailbox = kmalloc(sizeof (*qp_param) + MTHCA_CMD_MAILBOX_EXTRA, GFP_KERNEL);
- if (!mailbox)
- return -ENOMEM;
- qp_param = MAILBOX_ALIGN(mailbox);
+ mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ qp_param = mailbox->buf;
qp_context = &qp_param->context;
memset(qp_param, 0, sizeof *qp_param);
@@ -683,7 +720,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (attr_mask & IB_QP_AV) {
qp_context->pri_path.g_mylmc = attr->ah_attr.src_path_bits & 0x7f;
qp_context->pri_path.rlid = cpu_to_be16(attr->ah_attr.dlid);
- qp_context->pri_path.static_rate = (!!attr->ah_attr.static_rate) << 3;
+ qp_context->pri_path.static_rate = !!attr->ah_attr.static_rate;
if (attr->ah_attr.ah_flags & IB_AH_GRH) {
qp_context->pri_path.g_mylmc |= 1 << 7;
qp_context->pri_path.mgid_index = attr->ah_attr.grh.sgid_index;
@@ -724,9 +761,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RETRY_COUNT);
}
- if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) {
- qp_context->params1 |= cpu_to_be32(min(attr->max_dest_rd_atomic ?
- ffs(attr->max_dest_rd_atomic) - 1 : 0,
+ if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) {
+ qp_context->params1 |= cpu_to_be32(min(attr->max_rd_atomic ?
+ ffs(attr->max_rd_atomic) - 1 : 0,
7) << 21);
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_SRA_MAX);
}
@@ -764,10 +801,10 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
qp->atomic_rd_en = attr->qp_access_flags;
}
- if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) {
+ if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) {
u8 rra_max;
- if (qp->resp_depth && !attr->max_rd_atomic) {
+ if (qp->resp_depth && !attr->max_dest_rd_atomic) {
/*
* Lowering our responder resources to zero.
* Turn off RDMA/atomics as responder.
@@ -778,7 +815,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
MTHCA_QP_OPTPAR_RAE);
}
- if (!qp->resp_depth && attr->max_rd_atomic) {
+ if (!qp->resp_depth && attr->max_dest_rd_atomic) {
/*
* Increasing our responder resources from
* zero. Turn on RDMA/atomics as appropriate.
@@ -799,7 +836,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
}
for (rra_max = 0;
- 1 << rra_max < attr->max_rd_atomic &&
+ 1 << rra_max < attr->max_dest_rd_atomic &&
rra_max < dev->qp_table.rdb_shift;
++rra_max)
; /* nothing */
@@ -807,7 +844,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
qp_context->params2 |= cpu_to_be32(rra_max << 21);
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RRA_MAX);
- qp->resp_depth = attr->max_rd_atomic;
+ qp->resp_depth = attr->max_dest_rd_atomic;
}
qp_context->params2 |= cpu_to_be32(MTHCA_QP_BIT_RSC);
@@ -835,7 +872,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
}
err = mthca_MODIFY_QP(dev, state_table[cur_state][new_state].trans,
- qp->qpn, 0, qp_param, 0, &status);
+ qp->qpn, 0, mailbox, 0, &status);
if (status) {
mthca_warn(dev, "modify QP %d returned status %02x.\n",
state_table[cur_state][new_state].trans, status);
@@ -845,7 +882,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (!err)
qp->state = new_state;
- kfree(mailbox);
+ mthca_free_mailbox(dev, mailbox);
if (is_sqp(dev, qp))
store_attrs(to_msqp(qp), attr, attr_mask);
@@ -934,7 +971,8 @@ static int mthca_alloc_wqe_buf(struct mthca_dev *dev,
mthca_dbg(dev, "Creating direct QP of size %d (shift %d)\n",
size, shift);
- qp->queue.direct.buf = pci_alloc_consistent(dev->pdev, size, &t);
+ qp->queue.direct.buf = dma_alloc_coherent(&dev->pdev->dev, size,
+ &t, GFP_KERNEL);
if (!qp->queue.direct.buf)
goto err_out;
@@ -973,7 +1011,8 @@ static int mthca_alloc_wqe_buf(struct mthca_dev *dev,
for (i = 0; i < npages; ++i) {
qp->queue.page_list[i].buf =
- pci_alloc_consistent(dev->pdev, PAGE_SIZE, &t);
+ dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE,
+ &t, GFP_KERNEL);
if (!qp->queue.page_list[i].buf)
goto err_out_free;
@@ -996,16 +1035,15 @@ static int mthca_alloc_wqe_buf(struct mthca_dev *dev,
err_out_free:
if (qp->is_direct) {
- pci_free_consistent(dev->pdev, size,
- qp->queue.direct.buf,
- pci_unmap_addr(&qp->queue.direct, mapping));
+ dma_free_coherent(&dev->pdev->dev, size, qp->queue.direct.buf,
+ pci_unmap_addr(&qp->queue.direct, mapping));
} else
for (i = 0; i < npages; ++i) {
if (qp->queue.page_list[i].buf)
- pci_free_consistent(dev->pdev, PAGE_SIZE,
- qp->queue.page_list[i].buf,
- pci_unmap_addr(&qp->queue.page_list[i],
- mapping));
+ dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
+ qp->queue.page_list[i].buf,
+ pci_unmap_addr(&qp->queue.page_list[i],
+ mapping));
}
@@ -1073,11 +1111,12 @@ static void mthca_free_memfree(struct mthca_dev *dev,
if (mthca_is_memfree(dev)) {
mthca_free_db(dev, MTHCA_DB_TYPE_SQ, qp->sq.db_index);
mthca_free_db(dev, MTHCA_DB_TYPE_RQ, qp->rq.db_index);
- mthca_table_put(dev, dev->qp_table.rdb_table,
- qp->qpn << dev->qp_table.rdb_shift);
- mthca_table_put(dev, dev->qp_table.eqp_table, qp->qpn);
- mthca_table_put(dev, dev->qp_table.qp_table, qp->qpn);
}
+
+ mthca_table_put(dev, dev->qp_table.rdb_table,
+ qp->qpn << dev->qp_table.rdb_shift);
+ mthca_table_put(dev, dev->qp_table.eqp_table, qp->qpn);
+ mthca_table_put(dev, dev->qp_table.qp_table, qp->qpn);
}
static void mthca_wq_init(struct mthca_wq* wq)
@@ -1529,6 +1568,26 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
break;
+ case UC:
+ switch (wr->opcode) {
+ case IB_WR_RDMA_WRITE:
+ case IB_WR_RDMA_WRITE_WITH_IMM:
+ ((struct mthca_raddr_seg *) wqe)->raddr =
+ cpu_to_be64(wr->wr.rdma.remote_addr);
+ ((struct mthca_raddr_seg *) wqe)->rkey =
+ cpu_to_be32(wr->wr.rdma.rkey);
+ ((struct mthca_raddr_seg *) wqe)->reserved = 0;
+ wqe += sizeof (struct mthca_raddr_seg);
+ size += sizeof (struct mthca_raddr_seg) / 16;
+ break;
+
+ default:
+ /* No extra segments required for sends */
+ break;
+ }
+
+ break;
+
case UD:
((struct mthca_tavor_ud_seg *) wqe)->lkey =
cpu_to_be32(to_mah(wr->wr.ud.ah)->key);
@@ -1814,9 +1873,29 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
sizeof (struct mthca_atomic_seg);
break;
+ case IB_WR_RDMA_READ:
+ case IB_WR_RDMA_WRITE:
+ case IB_WR_RDMA_WRITE_WITH_IMM:
+ ((struct mthca_raddr_seg *) wqe)->raddr =
+ cpu_to_be64(wr->wr.rdma.remote_addr);
+ ((struct mthca_raddr_seg *) wqe)->rkey =
+ cpu_to_be32(wr->wr.rdma.rkey);
+ ((struct mthca_raddr_seg *) wqe)->reserved = 0;
+ wqe += sizeof (struct mthca_raddr_seg);
+ size += sizeof (struct mthca_raddr_seg) / 16;
+ break;
+
+ default:
+ /* No extra segments required for sends */
+ break;
+ }
+
+ break;
+
+ case UC:
+ switch (wr->opcode) {
case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_WRITE_WITH_IMM:
- case IB_WR_RDMA_READ:
((struct mthca_raddr_seg *) wqe)->raddr =
cpu_to_be64(wr->wr.rdma.remote_addr);
((struct mthca_raddr_seg *) wqe)->rkey =
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 09:18:52 +0000