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path: root/drivers/infiniband/hw/amso1100/c2_rnic.c
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Diffstat (limited to 'drivers/infiniband/hw/amso1100/c2_rnic.c')
-rw-r--r--drivers/infiniband/hw/amso1100/c2_rnic.c111
1 files changed, 51 insertions, 60 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c
index f49a32b7a8f..d2a6d961344 100644
--- a/drivers/infiniband/hw/amso1100/c2_rnic.c
+++ b/drivers/infiniband/hw/amso1100/c2_rnic.c
@@ -51,6 +51,7 @@
#include <linux/mm.h>
#include <linux/inet.h>
#include <linux/vmalloc.h>
+#include <linux/slab.h>
#include <linux/route.h>
@@ -150,15 +151,15 @@ static int c2_rnic_query(struct c2_dev *c2dev, struct ib_device_attr *props)
(struct c2wr_rnic_query_rep *) (unsigned long) (vq_req->reply_msg);
if (!reply)
err = -ENOMEM;
-
- err = c2_errno(reply);
+ else
+ err = c2_errno(reply);
if (err)
goto bail2;
props->fw_ver =
((u64)be32_to_cpu(reply->fw_ver_major) << 32) |
- ((be32_to_cpu(reply->fw_ver_minor) && 0xFFFF) << 16) |
- (be32_to_cpu(reply->fw_ver_patch) && 0xFFFF);
+ ((be32_to_cpu(reply->fw_ver_minor) & 0xFFFF) << 16) |
+ (be32_to_cpu(reply->fw_ver_patch) & 0xFFFF);
memcpy(&props->sys_image_guid, c2dev->netdev->dev_addr, 6);
props->max_mr_size = 0xFFFFFFFF;
props->page_size_cap = ~(C2_MIN_PAGESIZE-1);
@@ -208,7 +209,7 @@ static int c2_rnic_query(struct c2_dev *c2dev, struct ib_device_attr *props)
/*
* Add an IP address to the RNIC interface
*/
-int c2_add_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask)
+int c2_add_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask)
{
struct c2_vq_req *vq_req;
struct c2wr_rnic_setconfig_req *wr;
@@ -270,7 +271,7 @@ int c2_add_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask)
/*
* Delete an IP address from the RNIC interface
*/
-int c2_del_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask)
+int c2_del_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask)
{
struct c2_vq_req *vq_req;
struct c2wr_rnic_setconfig_req *wr;
@@ -438,7 +439,7 @@ static int c2_rnic_close(struct c2_dev *c2dev)
/*
* Called by c2_probe to initialize the RNIC. This principally
- * involves initalizing the various limits and resouce pools that
+ * involves initializing the various limits and resource pools that
* comprise the RNIC instance.
*/
int c2_rnic_init(struct c2_dev *c2dev)
@@ -454,17 +455,16 @@ int c2_rnic_init(struct c2_dev *c2dev)
(IB_DEVICE_RESIZE_MAX_WR |
IB_DEVICE_CURR_QP_STATE_MOD |
IB_DEVICE_SYS_IMAGE_GUID |
- IB_DEVICE_ZERO_STAG |
- IB_DEVICE_SEND_W_INV | IB_DEVICE_MEM_WINDOW);
+ IB_DEVICE_LOCAL_DMA_LKEY |
+ IB_DEVICE_MEM_WINDOW);
/* Allocate the qptr_array */
- c2dev->qptr_array = vmalloc(C2_MAX_CQS * sizeof(void *));
+ c2dev->qptr_array = vzalloc(C2_MAX_CQS * sizeof(void *));
if (!c2dev->qptr_array) {
return -ENOMEM;
}
- /* Inialize the qptr_array */
- memset(c2dev->qptr_array, 0, C2_MAX_CQS * sizeof(void *));
+ /* Initialize the qptr_array */
c2dev->qptr_array[0] = (void *) &c2dev->req_vq;
c2dev->qptr_array[1] = (void *) &c2dev->rep_vq;
c2dev->qptr_array[2] = (void *) &c2dev->aeq;
@@ -506,58 +506,54 @@ int c2_rnic_init(struct c2_dev *c2dev)
mmio_regs = c2dev->kva;
/* Initialize the Verbs Request Queue */
c2_mq_req_init(&c2dev->req_vq, 0,
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_QSIZE)),
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_MSGSIZE)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_QSIZE)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_MSGSIZE)),
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_POOLSTART)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_POOLSTART)),
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_SHARED)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_SHARED)),
C2_MQ_ADAPTER_TARGET);
/* Initialize the Verbs Reply Queue */
- qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_QSIZE));
- msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_MSGSIZE));
- q1_pages = kmalloc(qsize * msgsize, GFP_KERNEL);
+ qsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_QSIZE));
+ msgsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_MSGSIZE));
+ q1_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize,
+ &c2dev->rep_vq.host_dma, GFP_KERNEL);
if (!q1_pages) {
err = -ENOMEM;
goto bail1;
}
- c2dev->rep_vq.host_dma = dma_map_single(c2dev->ibdev.dma_device,
- (void *)q1_pages, qsize * msgsize,
- DMA_FROM_DEVICE);
- pci_unmap_addr_set(&c2dev->rep_vq, mapping, c2dev->rep_vq.host_dma);
- pr_debug("%s rep_vq va %p dma %llx\n", __FUNCTION__, q1_pages,
- (u64)c2dev->rep_vq.host_dma);
+ dma_unmap_addr_set(&c2dev->rep_vq, mapping, c2dev->rep_vq.host_dma);
+ pr_debug("%s rep_vq va %p dma %llx\n", __func__, q1_pages,
+ (unsigned long long) c2dev->rep_vq.host_dma);
c2_mq_rep_init(&c2dev->rep_vq,
1,
qsize,
msgsize,
q1_pages,
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_SHARED)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_SHARED)),
C2_MQ_HOST_TARGET);
/* Initialize the Asynchronus Event Queue */
- qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_QSIZE));
- msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_MSGSIZE));
- q2_pages = kmalloc(qsize * msgsize, GFP_KERNEL);
+ qsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_QSIZE));
+ msgsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_MSGSIZE));
+ q2_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize,
+ &c2dev->aeq.host_dma, GFP_KERNEL);
if (!q2_pages) {
err = -ENOMEM;
goto bail2;
}
- c2dev->aeq.host_dma = dma_map_single(c2dev->ibdev.dma_device,
- (void *)q2_pages, qsize * msgsize,
- DMA_FROM_DEVICE);
- pci_unmap_addr_set(&c2dev->aeq, mapping, c2dev->aeq.host_dma);
- pr_debug("%s aeq va %p dma %llx\n", __FUNCTION__, q1_pages,
- (u64)c2dev->rep_vq.host_dma);
+ dma_unmap_addr_set(&c2dev->aeq, mapping, c2dev->aeq.host_dma);
+ pr_debug("%s aeq va %p dma %llx\n", __func__, q2_pages,
+ (unsigned long long) c2dev->aeq.host_dma);
c2_mq_rep_init(&c2dev->aeq,
2,
qsize,
msgsize,
q2_pages,
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_SHARED)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_SHARED)),
C2_MQ_HOST_TARGET);
/* Initialize the verbs request allocator */
@@ -580,7 +576,8 @@ int c2_rnic_init(struct c2_dev *c2dev)
goto bail4;
/* Initialize cached the adapter limits */
- if (c2_rnic_query(c2dev, &c2dev->props))
+ err = c2_rnic_query(c2dev, &c2dev->props);
+ if (err)
goto bail5;
/* Initialize the PD pool */
@@ -597,17 +594,13 @@ int c2_rnic_init(struct c2_dev *c2dev)
bail4:
vq_term(c2dev);
bail3:
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->aeq, mapping),
- c2dev->aeq.q_size * c2dev->aeq.msg_size,
- DMA_FROM_DEVICE);
- kfree(q2_pages);
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->aeq.q_size * c2dev->aeq.msg_size,
+ q2_pages, dma_unmap_addr(&c2dev->aeq, mapping));
bail2:
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->rep_vq, mapping),
- c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
- DMA_FROM_DEVICE);
- kfree(q1_pages);
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
+ q1_pages, dma_unmap_addr(&c2dev->rep_vq, mapping));
bail1:
c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool);
bail0:
@@ -640,19 +633,17 @@ void c2_rnic_term(struct c2_dev *c2dev)
/* Free the verbs request allocator */
vq_term(c2dev);
- /* Unmap and free the asynchronus event queue */
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->aeq, mapping),
- c2dev->aeq.q_size * c2dev->aeq.msg_size,
- DMA_FROM_DEVICE);
- kfree(c2dev->aeq.msg_pool.host);
-
- /* Unmap and free the verbs reply queue */
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->rep_vq, mapping),
- c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
- DMA_FROM_DEVICE);
- kfree(c2dev->rep_vq.msg_pool.host);
+ /* Free the asynchronus event queue */
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->aeq.q_size * c2dev->aeq.msg_size,
+ c2dev->aeq.msg_pool.host,
+ dma_unmap_addr(&c2dev->aeq, mapping));
+
+ /* Free the verbs reply queue */
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
+ c2dev->rep_vq.msg_pool.host,
+ dma_unmap_addr(&c2dev->rep_vq, mapping));
/* Free the MQ shared pointer pool */
c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-08 04:32:36 +0000