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PCIe driver: Add function to count PCIe completed descriptors

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This commit is contained in:
leonarski_f
2023-09-19 11:15:24 +02:00
parent 4d482e308a
commit ead3219a64
4 changed files with 11 additions and 1 deletions
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fpga/pcie_driver/jfjoch_drv.h
+1
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@@ -125,6 +125,7 @@ void jfjoch_load_int_pkt_gen(struct jfjoch_drvdata *drvdata, char* output);
void jfjoch_save_int_pkt_gen(struct jfjoch_drvdata *drvdata, const char* input);
int jfjoch_load_calibration(struct jfjoch_drvdata *drvdata, struct ActionConfig *config);
int jfjoch_run_frame_gen(struct jfjoch_drvdata *drvdata, struct FrameGeneratorConfig *config);
u32 jfjoch_get_c2h_descriptors(struct jfjoch_drvdata *drvdata);
u64 jfjoch_read_mac_addr(struct jfjoch_drvdata *drvdata);
fpga/pcie_driver/jfjoch_function.c
+5 -1
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@@ -350,4 +350,8 @@ int jfjoch_run_frame_gen(struct jfjoch_drvdata *drvdata, struct FrameGeneratorCo
iowrite32(config->debug, drvdata->bar0 + ADDR_FRAME_GEN_DEBUG);
iowrite32(0x1, drvdata->bar0 + ADDR_FRAME_GEN_CTRL);
return 0;
}
}
u32 jfjoch_get_c2h_descriptors(struct jfjoch_drvdata *drvdata) {
return ioread32(drvdata->bar0 + PCIE_OFFSET + (1<<12) + 0x48);
}
fpga/pcie_driver/jfjoch_ioctl.c
+4
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@@ -127,6 +127,10 @@ long jfjoch_cdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) {
}
vfree(tmp);
return 0;
case IOCTL_JFJOCH_C2H_DMA_DESC:
exchange[0] = jfjoch_get_c2h_descriptors(drvdata);
if (copy_to_user((char *) arg, exchange, sizeof(u32)) != 0)
return -EFAULT;
default:
return -ENOTTY;
}
fpga/pcie_driver/jfjoch_ioctl.h
+1
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@@ -36,5 +36,6 @@
#define IOCTL_JFJOCH_GET_INT_PKT _IOR(IOCTL_JFJOCH_MAGIC, 20, char *)
#define IOCTL_JFJOCH_LOAD_CALIB _IOW(IOCTL_JFJOCH_MAGIC, 21, struct ActionConfig)
#define IOCTL_JFJOCH_RUN_FRAME_GEN _IOW(IOCTL_JFJOCH_MAGIC, 22, struct FrameGeneratorConfig)
#define IOCTL_JFJOCH_C2H_DMA_DESC _IOR(IOCTL_JFJOCH_MAGIC, 23, uint32_t)
#endif //JUNGFRAUJOCH_JFJOCH_IOCTL_H