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video: tegra: virt: Export functions used by nvgpu

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Export functions used by nvgpu so that nvgpu could be built as a
module.

Change-Id: I7cf9162a17c3aaf736d20af8eb0ce623d168ff1d
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1028350
Reviewed-on: http://git-master/r/1198258
Reviewed-on: http://git-master/r/1314837
GVS: Gerrit_Virtual_Submit
Reviewed-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
Tested-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
Reviewed-by: Timo Alho <talho@nvidia.com>
This commit is contained in:
Terje Bergstrom
2016-03-08 10:53:05 -08:00
committed by Laxman Dewangan
parent 97c0fccbcc
commit a9442ce5b8
1 changed files with 10 additions and 0 deletions
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10
drivers/video/tegra/virt/tegra_gr_comm.c
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@@ -31,6 +31,7 @@
#include <linux/interrupt.h>
#include <linux/tegra-ivc.h>
#include <linux/tegra_gr_comm.h>
#include <linux/module.h>
#define NUM_QUEUES 5
#define NUM_CONTEXTS 1
@@ -94,6 +95,7 @@ u32 tegra_gr_comm_get_server_vmid(void)
{
return server_vmid;
}
EXPORT_SYMBOL(tegra_gr_comm_get_server_vmid);
static void free_mempool(u32 virt_ctx, u32 queue_start, u32 queue_end)
{
@@ -437,6 +439,7 @@ fail:
dev_err(dev, "%s insufficient memory\n", __func__);
return ret;
}
EXPORT_SYMBOL(tegra_gr_comm_init);
void tegra_gr_comm_deinit(u32 virt_ctx, u32 queue_start, u32 num_queues)
{
@@ -471,6 +474,7 @@ void tegra_gr_comm_deinit(u32 virt_ctx, u32 queue_start, u32 num_queues)
free_ivc(virt_ctx, queue_start, queue_end);
free_mempool(virt_ctx, queue_start, queue_end);
}
EXPORT_SYMBOL(tegra_gr_comm_deinit);
int tegra_gr_comm_send(u32 virt_ctx, u32 peer, u32 index, void *data,
size_t size)
@@ -510,6 +514,7 @@ int tegra_gr_comm_send(u32 virt_ctx, u32 peer, u32 index, void *data,
ret = tegra_hv_ivc_write(ivc_ctx->cookie, data, size);
return (ret != size) ? -ENOMEM : 0;
}
EXPORT_SYMBOL(tegra_gr_comm_send);
int tegra_gr_comm_recv(u32 virt_ctx, u32 index, void **handle, void **data,
size_t *size, u32 *sender)
@@ -542,6 +547,7 @@ int tegra_gr_comm_recv(u32 virt_ctx, u32 index, void **handle, void **data,
*sender = element->sender;
return err;
}
EXPORT_SYMBOL(tegra_gr_comm_recv);
/* NOTE: tegra_gr_comm_recv() should not be running concurrently */
int tegra_gr_comm_sendrecv(u32 virt_ctx, u32 peer, u32 index, void **handle,
@@ -571,6 +577,7 @@ fail:
mutex_unlock(&queue->resp_lock);
return err;
}
EXPORT_SYMBOL(tegra_gr_comm_sendrecv);
void tegra_gr_comm_release(void *handle)
{
@@ -581,6 +588,7 @@ void tegra_gr_comm_release(void *handle)
list_add(&element->list, &element->queue->free);
mutex_unlock(&element->queue->lock);
}
EXPORT_SYMBOL(tegra_gr_comm_release);
void *tegra_gr_comm_oob_get_ptr(u32 virt_ctx, u32 peer, u32 index,
void **ptr, size_t *size)
@@ -604,6 +612,7 @@ void *tegra_gr_comm_oob_get_ptr(u32 virt_ctx, u32 peer, u32 index,
*ptr = mempool_ctx->ptr;
return queue;
}
EXPORT_SYMBOL(tegra_gr_comm_oob_get_ptr);
void tegra_gr_comm_oob_put_ptr(void *handle)
{
@@ -611,3 +620,4 @@ void tegra_gr_comm_oob_put_ptr(void *handle)
mutex_unlock(&queue->mempool_lock);
}
EXPORT_SYMBOL(tegra_gr_comm_oob_put_ptr);