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authorSuren A. Chilingaryan <csa@suren.me>2015-04-28 06:09:21 +0200
committerSuren A. Chilingaryan <csa@suren.me>2015-04-28 06:09:21 +0200
commit7356cb9627e941e66dbd90b6cc670a8427c88c5e (patch)
tree2849fd936a65b3bdfbd77968a588ac6338790022 /pcilib/pci.c
parent8d3ad26d8331c43659d0d4e77e8a50fbc3cfc1e4 (diff)
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Initial support for event engines
Diffstat (limited to 'pcilib/pci.c')
-rw-r--r--pcilib/pci.c73
1 files changed, 48 insertions, 25 deletions
diff --git a/pcilib/pci.c b/pcilib/pci.c
index 426ae91..6eedbfe 100644
--- a/pcilib/pci.c
+++ b/pcilib/pci.c
@@ -20,56 +20,74 @@
#include "tools.h"
#include "error.h"
#include "model.h"
+#include "plugin.h"
static int pcilib_detect_model(pcilib_t *ctx, const char *model) {
int i, j;
- // Registers & Banks must be copied!
+ const pcilib_model_description_t *model_info = NULL;
+ const pcilib_board_info_t *board_info = pcilib_get_board_info(ctx);
- if (model) {
- // Check for DMA models
+ model_info = pcilib_find_plugin_model(ctx, board_info->vendor_id, board_info->device_id, model);
+ if (model_info) {
+ memcpy(&ctx->model_info, model_info, sizeof(pcilib_model_description_t));
+ memcpy(&ctx->dma, model_info->dma, sizeof(pcilib_dma_description_t));
+ } else if (model) {
+ // If not found, check for DMA models
for (i = 0; pcilib_dma[i].name; i++) {
if (!strcasecmp(model, pcilib_dma[i].name))
break;
}
if (pcilib_dma[i].api) {
+ model_info = &ctx->model_info;
memcpy(&ctx->dma, &pcilib_dma[i], sizeof(pcilib_dma_description_t));
ctx->model_info.dma = &ctx->dma;
+ }
+ }
- if (pcilib_dma[i].banks)
- pcilib_add_register_banks(ctx, 0, pcilib_dma[i].banks);
-
- if (pcilib_dma[i].registers)
- pcilib_add_registers(ctx, 0, pcilib_dma[i].registers);
+ // Precedens of register configuration: DMA/Event Initialization (top), XML, Event Description, DMA Description (least)
+ if (model_info) {
+ const pcilib_dma_description_t *dma = model_info->dma;
+
+ if (dma) {
+ if (dma->banks)
+ pcilib_add_register_banks(ctx, 0, dma->banks);
+
+ if (dma->registers)
+ pcilib_add_registers(ctx, 0, dma->registers);
- if (pcilib_dma[i].engines) {
- for (j = 0; pcilib_dma[i].engines[j].addr_bits; j++)
- memcpy(ctx->engines, pcilib_dma[i].engines, j * sizeof(pcilib_dma_engine_description_t));
+ if (dma->engines) {
+ for (j = 0; dma->engines[j].addr_bits; j++);
+ memcpy(ctx->engines, dma->engines, j * sizeof(pcilib_dma_engine_description_t));
ctx->num_engines = j;
} else
ctx->dma.engines = ctx->engines;
-
- return 0;
}
- // Check for XML models (DMA + XML registers)
+ if (model_info->protocols)
+ pcilib_add_register_protocols(ctx, 0, model_info->protocols);
+
+ if (model_info->banks)
+ pcilib_add_register_banks(ctx, 0, model_info->banks);
- // Check for specified model
-
- // Iterate other all other models
+ if (model_info->registers)
+ pcilib_add_registers(ctx, 0, model_info->registers);
+
+ if (model_info->ranges)
+ pcilib_add_register_ranges(ctx, 0, model_info->ranges);
}
+ // Load XML registers
+
// Check for all installed models
// memcpy(&ctx->model_info, model, sizeof(pcilib_model_description_t));
// how we reconcile the banks from event model and dma description? The banks specified in the DMA description should override corresponding banks of events...
- if (model)
+ if ((model)&&(!model_info)/*&&(no xml)*/)
return PCILIB_ERROR_NOTFOUND;
- // Otherwise, simple pci access (all model members are set to NULL)
-
return 0;
}
@@ -113,11 +131,7 @@ pcilib_t *pcilib_open(const char *device, const char *model) {
for (i = 0; pcilib_protocols[i].api; i++);
memcpy(ctx->protocols, pcilib_protocols, i * sizeof(pcilib_register_protocol_description_t));
-
- ctx->model_info.registers = ctx->registers;
- ctx->model_info.banks = ctx->banks;
- ctx->model_info.protocols = ctx->protocols;
- ctx->model_info.ranges = ctx->ranges;
+ ctx->num_protocols = i;
err = pcilib_detect_model(ctx, model);
if (err) {
@@ -131,6 +145,12 @@ pcilib_t *pcilib_open(const char *device, const char *model) {
return NULL;
}
+ ctx->model_info.registers = ctx->registers;
+ ctx->model_info.banks = ctx->banks;
+ ctx->model_info.protocols = ctx->protocols;
+ ctx->model_info.ranges = ctx->ranges;
+
+
err = pcilib_init_register_banks(ctx);
if (err) {
pcilib_error("Error (%i) initializing regiser banks\n", err);
@@ -451,6 +471,9 @@ void pcilib_close(pcilib_t *ctx) {
pcilib_free_register_banks(ctx);
+ if (ctx->event_plugin)
+ pcilib_plugin_close(ctx->event_plugin);
+
if (ctx->kmem_list) {
pcilib_warning("Not all kernel buffers are properly cleaned");