Release 4.12 drivers/crypto/cavium/zip/zip_mem.c
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#include <linux/types.h>
#include <linux/vmalloc.h>
#include "common.h"
/**
* zip_cmd_qbuf_alloc - Allocates a cmd buffer for ZIP Instruction Queue
* @zip: Pointer to zip device structure
* @q: Queue number to allocate bufffer to
* Return: 0 if successful, -ENOMEM otherwise
*/
int zip_cmd_qbuf_alloc(struct zip_device *zip, int q)
{
zip->iq[q].sw_head = (u64 *)__get_free_pages((GFP_KERNEL | GFP_DMA),
get_order(ZIP_CMD_QBUF_SIZE));
if (!zip->iq[q].sw_head)
return -ENOMEM;
memset(zip->iq[q].sw_head, 0, ZIP_CMD_QBUF_SIZE);
zip_dbg("cmd_qbuf_alloc[%d] Success : %p\n", q, zip->iq[q].sw_head);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mahipal Challa | 91 | 100.00% | 1 | 100.00% |
| Total | 91 | 100.00% | 1 | 100.00% |
/**
* zip_cmd_qbuf_free - Frees the cmd Queue buffer
* @zip: Pointer to zip device structure
* @q: Queue number to free buffer of
*/
void zip_cmd_qbuf_free(struct zip_device *zip, int q)
{
zip_dbg("Freeing cmd_qbuf 0x%lx\n", zip->iq[q].sw_tail);
free_pages((u64)zip->iq[q].sw_tail, get_order(ZIP_CMD_QBUF_SIZE));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mahipal Challa | 47 | 100.00% | 1 | 100.00% |
| Total | 47 | 100.00% | 1 | 100.00% |
/**
* zip_data_buf_alloc - Allocates memory for a data bufffer
* @size: Size of the buffer to allocate
* Returns: Pointer to the buffer allocated
*/
u8 *zip_data_buf_alloc(u64 size)
{
u8 *ptr;
ptr = (u8 *)__get_free_pages((GFP_KERNEL | GFP_DMA),
get_order(size));
if (!ptr)
return NULL;
memset(ptr, 0, size);
zip_dbg("Data buffer allocation success\n");
return ptr;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mahipal Challa | 58 | 100.00% | 1 | 100.00% |
| Total | 58 | 100.00% | 1 | 100.00% |
/**
* zip_data_buf_free - Frees the memory of a data buffer
* @ptr: Pointer to the buffer
* @size: Buffer size
*/
void zip_data_buf_free(u8 *ptr, u64 size)
{
zip_dbg("Freeing data buffer 0x%lx\n", ptr);
free_pages((u64)ptr, get_order(size));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mahipal Challa | 32 | 100.00% | 1 | 100.00% |
| Total | 32 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mahipal Challa | 242 | 100.00% | 1 | 100.00% |
| Total | 242 | 100.00% | 1 | 100.00% |
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