libs/libllio/*: add SDB base address attribute/methods

This will be used as a prefix address for read/writing to the SDB memory space. If an endpoint does not implement or support SDB, it should set SDB address to 0x0.

libs/libllio/*: add SDB base address attribute/methods
This will be used as a prefix address for read/writing to the SDB memory space. If an endpoint does not implement or support SDB, it should set SDB address to 0x0.
61c66844 · Lucas Russo · a1214616 · 61c66844 · 61c66844 · 61c66844
Commit 61c66844 authored Jul 27, 2016 by Lucas Russo
4 changed files
--- a/src/libs/libllio/include/ll_io_core.h
+++ b/src/libs/libllio/include/ll_io_core.h
@@ -84,6 +84,10 @@ llio_err_e llio_set_dev_handler (llio_t *self, void *dev_handler);
 void *llio_get_dev_handler (llio_t *self);
 /* Get type */
 llio_type_e llio_get_type (llio_t *self);
+/* Set SDB prefix ADDR */
+llio_err_e llio_set_sdb_prefix_addr (llio_t *self, uint64_t sdb_prefix_addr);
+/* Get SDB prefix ADDR */
+uint64_t llio_get_sdb_prefix_addr (llio_t *self);

 /************************************************************/
 /**************** Low Level generic methods API *************/

--- a/src/libs/libllio/src/ll_io_core.c
+++ b/src/libs/libllio/src/ll_io_core.c
@@ -38,6 +38,8 @@ struct _llio_t {
                                            devices functions */
    char *name;                         /* Identification of this llio instance */
    int verbose;                        /* Print activity to stdout */
+    uint64_t sdb_prefix_addr;           /* SDB prefix address. Used to read/write to the 
+                                           SDB address space. To be set by the specific ops */

    /* Endpoint to connect to */
    llio_endpoint_t *endpoint;
@@ -69,6 +71,8 @@ llio_t * llio_new (char *name, char *endpoint, llio_type_e type, int verbose)
    self->name = strdup (name);
    ASSERT_ALLOC(self->name, err_name_alloc);
    self->verbose = verbose;
+    /* This shoule be set by the specific operations (e.g., PCIe, ETH) */
+    self->sdb_prefix_addr = 0x0;

    /* Initilialize llio_endpoint */
    self->endpoint = NULL;
@@ -193,6 +197,20 @@ llio_type_e llio_get_type (llio_t *self)
 {
    return self->type;
 }
+
+llio_err_e llio_set_sdb_prefix_addr (llio_t *self, uint64_t sdb_prefix_addr)
+{
+    assert (self);
+    self->sdb_prefix_addr = sdb_prefix_addr;
+    return LLIO_SUCCESS;
+}
+
+uint64_t llio_get_sdb_prefix_addr (llio_t *self)
+{
+    assert (self);
+    return self->sdb_prefix_addr;
+}
+
 /**************** Static function ****************/

 static bool _llio_get_endpoint_open (llio_t *self)

--- a/src/libs/libllio/src/ops/ll_io_eth.c
+++ b/src/libs/libllio/src/ops/ll_io_eth.c
@@ -195,6 +195,9 @@ static int eth_open (llio_t *self, llio_endpoint_t *endpoint)
    /* Signal that the endpoint is opened and ready to work */
    llio_set_endpoint_open (self, true);

+    /* Set SDB prefix adress */
+    llio_set_sdb_prefix_addr (self, 0x0);
+
    DBE_DEBUG (DBG_LL_IO | DBG_LVL_INFO,
            "[ll_io_eth] Opened ETH device located at %s\n",
            llio_get_endpoint_name (self));

--- a/src/libs/libllio/src/ops/ll_io_pcie.c
+++ b/src/libs/libllio/src/ops/ll_io_pcie.c
@@ -188,6 +188,9 @@ static int pcie_open (llio_t *self, llio_endpoint_t *endpoint)
    DBE_DEBUG (DBG_LL_IO | DBG_LVL_INFO,
            "[ll_io_pcie] Opened PCIe device located at %s\n",
            llio_get_endpoint_name (self));
+    
+    /* Set SDB prefix adress */
+    llio_set_sdb_prefix_addr (self, BAR4_ADDR);

    /* Reset FPGA */
    _pcie_reset_fpga (self);