dsp, ipc: add fluence NN changes

Change-Id: Ie8323156c74601333871646052068a609c7cf474

dsp/msm_audio_ion.c

@@ -26,6 +26,7 @@
 #endif
 #include <dsp/msm_audio_ion.h>
 #include <linux/msm_audio.h>
+#include <soc/qcom/secure_buffer.h>
 
 #define MSM_AUDIO_ION_PROBED (1 << 0)
 
@@ -75,6 +76,7 @@ static bool msm_audio_ion_fd_list_init = false;
 
 struct msm_audio_fd_data {
 	int fd;
+	size_t plen;
 	void *handle;
 	dma_addr_t paddr;
 	struct device *dev;
@@ -415,7 +417,7 @@ void msm_audio_delete_fd_entry(void *handle)
 	mutex_unlock(&(msm_audio_ion_fd_list.list_mutex));
 }
 
-int msm_audio_get_phy_addr(int fd, dma_addr_t *paddr)
+int msm_audio_get_phy_addr(int fd, dma_addr_t *paddr, size_t *pa_len)
 {
 	struct msm_audio_fd_data *msm_audio_fd_data = NULL;
 	int status = -EINVAL;
@@ -430,6 +432,7 @@ int msm_audio_get_phy_addr(int fd, dma_addr_t *paddr)
 			&msm_audio_ion_fd_list.fd_list, list) {
 		if (msm_audio_fd_data->fd == fd) {
 			*paddr = msm_audio_fd_data->paddr;
+			*pa_len = msm_audio_fd_data->plen;
 			status = 0;
 			pr_debug("%s Found fd %d paddr %pK\n",
 				__func__, fd, paddr);
@@ -507,6 +510,7 @@ static int msm_audio_ion_import(struct dma_buf **dma_buf, int fd,
 			goto err_ion_flag;
 		}
 	}
+	if (ion_data->smmu_enabled) {
 		rc = msm_audio_ion_map_buf(*dma_buf, paddr, plen, vaddr, ion_data);
 		if (rc) {
 			pr_err("%s: failed to map ION buf, rc = %d\n", __func__, rc);
@@ -514,6 +518,9 @@ static int msm_audio_ion_import(struct dma_buf **dma_buf, int fd,
 		}
 		pr_debug("%s: mapped address = %pK, size=%zd\n", __func__,
 				*vaddr, bufsz);
+	} else {
+		msm_audio_dma_buf_map(*dma_buf, paddr, plen, true, ion_data);
+	}
 	return 0;
 
 err_ion_flag:
@@ -541,9 +548,11 @@ static int msm_audio_ion_free(struct dma_buf *dma_buf, struct msm_audio_ion_priv
 		return -EINVAL;
 	}
 
+	if (ion_data->smmu_enabled) {
 		ret = msm_audio_ion_unmap_kernel(dma_buf, ion_data);
 		if (ret)
 			return ret;
+	}
 
 	msm_audio_dma_buf_unmap(dma_buf, ion_data);
 
@@ -614,9 +623,16 @@ static long msm_audio_ion_ioctl(struct file *file, unsigned int ioctl_num,
 	size_t pa_len = 0;
 	void *vaddr;
 	int ret = 0;
+	int dest_perms_map[2] = {PERM_READ | PERM_WRITE, PERM_READ | PERM_WRITE};
+	int source_vm_map[1] = {VMID_HLOS};
+	int dest_vm_map[3] = {VMID_LPASS, VMID_ADSP_HEAP, VMID_HLOS};
+	int dest_perms_unmap[1] = {PERM_READ | PERM_WRITE | PERM_EXEC};
+	int source_vm_unmap[3] = {VMID_LPASS, VMID_ADSP_HEAP, VMID_HLOS};
+	int dest_vm_unmap[1] = {VMID_HLOS};
 	struct msm_audio_fd_data *msm_audio_fd_data = NULL;
 	struct msm_audio_ion_private *ion_data =
 			container_of(file->f_inode->i_cdev, struct msm_audio_ion_private, cdev);
+
 	pr_debug("%s ioctl num %u\n", __func__, ioctl_num);
 	switch (ioctl_num) {
 	case IOCTL_MAP_PHYS_ADDR:
@@ -634,6 +650,7 @@ static long msm_audio_ion_ioctl(struct file *file, unsigned int ioctl_num,
 		msm_audio_fd_data->fd = (int)ioctl_param;
 		msm_audio_fd_data->handle = mem_handle;
 		msm_audio_fd_data->paddr = paddr;
+		msm_audio_fd_data->plen = pa_len;
 		msm_audio_fd_data->dev = ion_data->cb_dev;
 		msm_audio_update_fd_list(msm_audio_fd_data);
 		break;
@@ -646,6 +663,36 @@ static long msm_audio_ion_ioctl(struct file *file, unsigned int ioctl_num,
 		}
 		msm_audio_delete_fd_entry(mem_handle);
 		break;
+	case IOCTL_MAP_HYP_ASSIGN:
+	    ret = msm_audio_get_phy_addr((int)ioctl_param, &paddr, &pa_len);
+		if (ret < 0) {
+			pr_err("%s get phys addr failed %d\n", __func__, ret);
+			return ret;
+		}
+		ret = hyp_assign_phys(paddr, pa_len, source_vm_map, 1,
+		                      dest_vm_map, dest_perms_map, 2);
+		if (ret < 0) {
+			pr_err("%s: hyp_assign_phys failed result = %d addr = 0x%pK size = %d\n",
+					__func__, ret, paddr, pa_len);
+			return ret;
+		}
+		pr_err("%s: hyp_assign_phys success\n", __func__);
+	    break;
+	case IOCTL_UNMAP_HYP_ASSIGN:
+	    ret = msm_audio_get_phy_addr((int)ioctl_param, &paddr, &pa_len);
+		if (ret < 0) {
+			pr_err("%s get phys addr failed %d\n", __func__, ret);
+			return ret;
+		}
+		ret = hyp_assign_phys(paddr, pa_len, source_vm_unmap, 2,
+		                      dest_vm_unmap, dest_perms_unmap, 1);
+		if (ret < 0) {
+			pr_err("%s: hyp_assign_phys failed result = %d addr = 0x%pK size = %d\n",
+					__func__, ret, paddr, pa_len);
+			return ret;
+		}
+		pr_err("%s: hyp_assign_phys success\n", __func__);
+	    break;
 	default:
 		pr_err("%s Entered default. Invalid ioctl num %u",
 			__func__, ioctl_num);
@@ -808,6 +855,8 @@ static int msm_audio_ion_probe(struct platform_device *pdev)
 
 		msm_audio_ion_data->smmu_sid_bits =
 			smmu_sid << MSM_AUDIO_SMMU_SID_OFFSET;
+	} else {
+		msm_audio_ion_data->driver_name = "msm_audio_ion_cma";
 	}
 
 	if (!rc)

include/dsp/msm_audio_ion.h

@@ -27,6 +27,6 @@ struct audio_buffer {
 	uint32_t   actual_size; /* actual number of bytes read by DSP */
 	struct      dma_buf *dma_buf;
 };
-int msm_audio_get_phy_addr(int fd, dma_addr_t *paddr);
+int msm_audio_get_phy_addr(int fd, dma_addr_t *paddr, size_t *pa_len);
 void msm_audio_ion_crash_handler(void);
 #endif /* _LINUX_MSM_AUDIO_ION_H */

include/uapi/audio/linux/msm_audio.h

@@ -2,7 +2,7 @@
 /*
  *
  * Copyright (C) 2008 Google, Inc.
- * Copyright (c) 2012, 2014, 2017, 2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012, 2014, 2017, 2020, 2021 The Linux Foundation. All rights reserved.
  */
 
 #ifndef _UAPI_LINUX_MSM_AUDIO_H
@@ -106,8 +106,9 @@
 #define AUDIO_PM_RELAX      _IOW(AUDIO_IOCTL_MAGIC, 106, unsigned int)
 #define AUDIO_REGISTER_ION   _IOW(AUDIO_IOCTL_MAGIC, 107, struct msm_audio_ion_info)
 #define AUDIO_DEREGISTER_ION _IOW(AUDIO_IOCTL_MAGIC, 108, struct msm_audio_ion_info)
-#define	AUDIO_MAX_COMMON_IOCTL_NUM	109
+#define IOCTL_MAP_HYP_ASSIGN _IOW(AUDIO_IOCTL_MAGIC, 109, int)
-
+#define IOCTL_UNMAP_HYP_ASSIGN _IOW(AUDIO_IOCTL_MAGIC, 110, int)
+#define	AUDIO_MAX_COMMON_IOCTL_NUM	111
 
 #define HANDSET_MIC			0x01
 #define HANDSET_SPKR			0x02

ipc/audio-pkt.c

@@ -1,4 +1,4 @@
-/* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -299,13 +299,14 @@ ssize_t audio_pkt_read(struct file *file, char __user *buf,
 int audpkt_chk_and_update_physical_addr(struct audio_gpr_pkt *gpr_pkt)
 {
 	int ret = 0;
-
+        size_t pa_len = 0;
 	dma_addr_t paddr;
+
 	if (gpr_pkt->audpkt_mem_map.mmap_header.property_flag &
 				APM_MEMORY_MAP_BIT_MASK_IS_OFFSET_MODE) {
 		ret = msm_audio_get_phy_addr(
 			(int) gpr_pkt->audpkt_mem_map.mmap_payload.shm_addr_lsw,
-			&paddr);
+			&paddr, &pa_len);
 		if (ret < 0) {
 			AUDIO_PKT_ERR("%s Get phy. address failed, ret %d\n",
 					__func__, ret);