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path: root/drivers/net/nfp/nfp_nfpu.c
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Diffstat (limited to 'drivers/net/nfp/nfp_nfpu.c')
-rw-r--r--drivers/net/nfp/nfp_nfpu.c108
1 files changed, 0 insertions, 108 deletions
diff --git a/drivers/net/nfp/nfp_nfpu.c b/drivers/net/nfp/nfp_nfpu.c
deleted file mode 100644
index f11afef3..00000000
--- a/drivers/net/nfp/nfp_nfpu.c
+++ /dev/null
@@ -1,108 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/types.h>
-
-#include <rte_bus_pci.h>
-#include <rte_malloc.h>
-
-#include "nfp_nfpu.h"
-
-/* PF BAR and expansion BAR for the NSP interface */
-#define NFP_CFG_PCIE_BAR 0
-#define NFP_CFG_EXP_BAR 7
-
-#define NFP_CFG_EXP_BAR_CFG_BASE 0x30000
-
-/* There could be other NFP userspace tools using the NSP interface.
- * Make sure there is no other process using it and locking the access for
- * avoiding problems.
- */
-static int
-nspv_aquire_process_lock(nfpu_desc_t *desc)
-{
- int rc;
- struct flock lock;
- char lockname[30];
-
- memset(&lock, 0, sizeof(lock));
-
- snprintf(lockname, sizeof(lockname), "/var/lock/nfp%d", desc->nfp);
-
- /* Using S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH */
- desc->lock = open(lockname, O_RDWR | O_CREAT, 0666);
-
- if (desc->lock < 0)
- return desc->lock;
-
- lock.l_type = F_WRLCK;
- lock.l_whence = SEEK_SET;
- rc = -1;
- while (rc != 0) {
- rc = fcntl(desc->lock, F_SETLK, &lock);
- if (rc < 0) {
- if ((errno != EAGAIN) && (errno != EACCES)) {
- close(desc->lock);
- return rc;
- }
- }
- }
-
- return 0;
-}
-
-int
-nfpu_open(struct rte_pci_device *pci_dev, nfpu_desc_t *desc, int nfp)
-{
- void *cfg_base, *mem_base;
- size_t barsz;
- int ret = 0;
- int i = 0;
-
- desc->nfp = nfp;
-
- ret = nspv_aquire_process_lock(desc);
- if (ret)
- return -1;
-
- barsz = pci_dev->mem_resource[0].len;
-
- /* barsz in log2 */
- while (barsz >>= 1)
- i++;
-
- barsz = i;
-
- /* Sanity check: we can assume any bar size less than 1MB an error */
- if (barsz < 20)
- return -1;
-
- /* Getting address for NFP expansion BAR registers */
- cfg_base = pci_dev->mem_resource[0].addr;
- cfg_base = (uint8_t *)cfg_base + NFP_CFG_EXP_BAR_CFG_BASE;
-
- /* Getting address for NFP NSP interface registers */
- mem_base = pci_dev->mem_resource[0].addr;
- mem_base = (uint8_t *)mem_base + (NFP_CFG_EXP_BAR << (barsz - 3));
-
-
- desc->nspu = rte_malloc("nfp nspu", sizeof(nspu_desc_t), 0);
- nfp_nspu_init(desc->nspu, desc->nfp, NFP_CFG_PCIE_BAR, barsz,
- NFP_CFG_EXP_BAR, cfg_base, mem_base);
-
- return ret;
-}
-
-int
-nfpu_close(nfpu_desc_t *desc)
-{
- rte_free(desc->nspu);
- close(desc->lock);
- unlink("/var/lock/nfp0");
- return 0;
-}