diff options
| author | Tharun Kumar Merugu <mtharu@codeaurora.org> | 2017-08-04 19:38:16 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-08-10 02:21:58 -0700 |
| commit | dc979af523fdc9319e8e66850b2d2f60c148a4ad (patch) | |
| tree | a61ad9c24716263d97e3187c1ecae3607caef6a0 /drivers/char | |
| parent | bb7cc76a8f1592fc14f5e68ecdd20a40604af2c7 (diff) | |
msm: adsprpc: Separate hyp_assign call for audio remote heap protection
Enable audio remote heap protection for separate hyp_assign call to map
HLOS buffer to ADSP_Q6_ELF VM.
Change-Id: I91a70cb8ef2c2feb2d4c398c15c220c78c96a509
Signed-off-by: Tharun Kumar Merugu <mtharu@codeaurora.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/adsprpc.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c index 8560a2b731b5..774ac3538075 100644 --- a/drivers/char/adsprpc.c +++ b/drivers/char/adsprpc.c @@ -58,6 +58,7 @@ #define FASTRPC_ENOSUCH 39 #define VMID_SSC_Q6 5 #define VMID_ADSP_Q6 6 +#define AC_VM_ADSP_HEAP_SHARED 33 #define DEBUGFS_SIZE 1024 #define RPC_TIMEOUT (5 * HZ) @@ -222,6 +223,7 @@ struct fastrpc_channel_ctx { int prevssrcount; int issubsystemup; int vmid; + int heap_vmid; int ramdumpenabled; void *remoteheap_ramdump_dev; struct fastrpc_glink_info link; @@ -1594,7 +1596,7 @@ static int fastrpc_init_process(struct fastrpc_file *fl, struct fastrpc_mmap *file = 0, *mem = 0; char *proc_name = NULL; int srcVM[1] = {VMID_HLOS}; - int destVM[1] = {VMID_ADSP_Q6}; + int destVM[1] = {gcinfo[0].heap_vmid}; int destVMperm[1] = {PERM_READ | PERM_WRITE | PERM_EXEC}; int hlosVMperm[1] = {PERM_READ | PERM_WRITE | PERM_EXEC}; @@ -1853,7 +1855,7 @@ static int fastrpc_mmap_on_dsp(struct fastrpc_file *fl, uint32_t flags, } else if (flags == ADSP_MMAP_REMOTE_HEAP_ADDR) { int srcVM[1] = {VMID_HLOS}; - int destVM[1] = {VMID_ADSP_Q6}; + int destVM[1] = {gcinfo[0].heap_vmid}; int destVMperm[1] = {PERM_READ | PERM_WRITE | PERM_EXEC}; VERIFY(err, !hyp_assign_phys(map->phys, (uint64_t)map->size, @@ -1869,7 +1871,7 @@ static int fastrpc_munmap_on_dsp_rh(struct fastrpc_file *fl, struct fastrpc_mmap *map) { int err = 0; - int srcVM[1] = {VMID_ADSP_Q6}; + int srcVM[1] = {gcinfo[0].heap_vmid}; int destVM[1] = {VMID_HLOS}; int destVMperm[1] = {PERM_READ | PERM_WRITE | PERM_EXEC}; @@ -2843,6 +2845,7 @@ static int fastrpc_cb_probe(struct device *dev) chan->sesscount++; debugfs_global_file = debugfs_create_file("global", 0644, debugfs_root, NULL, &debugfs_fops); + bail: return err; } @@ -2956,6 +2959,12 @@ static int fastrpc_probe(struct platform_device *pdev) } return 0; } + if (of_property_read_bool(dev->of_node, + "qcom,fastrpc-vmid-heap-shared")) + gcinfo[0].heap_vmid = AC_VM_ADSP_HEAP_SHARED; + else + gcinfo[0].heap_vmid = VMID_ADSP_Q6; + pr_info("ADSPRPC: gcinfo[0].heap_vmid %d\n", gcinfo[0].heap_vmid); me->glink = of_property_read_bool(dev->of_node, "qcom,fastrpc-glink"); VERIFY(err, !of_platform_populate(pdev->dev.of_node, fastrpc_match_table, |