diff options
| author | Rohit Vaswani <rvaswani@codeaurora.org> | 2015-12-09 15:40:46 -0800 |
|---|---|---|
| committer | Patrick Daly <pdaly@codeaurora.org> | 2016-03-30 15:46:12 -0700 |
| commit | c0fe3bde2a0cb060a9f42d17d670449503934361 (patch) | |
| tree | 14af4615dab760033ea66e51cd5f6a39978b9bae /include | |
| parent | eee392370f17589075f6855594bae4217b8f0167 (diff) | |
Ion: Add page pooling to Ion System Secure Heap
Optimize the Ion System Secure Heap by adding per VMID
based page pooling. The secure/assigned pages are pooled.
This essentially uses the same pooling functionality as
the system heap, but adds the VMID component to each pool.
Change-Id: Ib65b3f490ab1bb299b57227edba88b876924ff2b
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/soc/qcom/secure_buffer.h | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/include/soc/qcom/secure_buffer.h b/include/soc/qcom/secure_buffer.h index 24dd2b0069f3..ffa65569ce18 100644 --- a/include/soc/qcom/secure_buffer.h +++ b/include/soc/qcom/secure_buffer.h @@ -17,24 +17,29 @@ #include <linux/scatterlist.h> -#define VMID_HLOS 0x3 -#define VMID_CP_TOUCH 0x8 -#define VMID_CP_BITSTREAM 0x9 -#define VMID_CP_PIXEL 0xA -#define VMID_CP_NON_PIXEL 0xB -#define VMID_CP_CAMERA 0xD -#define VMID_HLOS_FREE 0xE -#define VMID_MSS_MSA 0xF -#define VMID_MSS_NONMSA 0x10 -#define VMID_CP_SEC_DISPLAY 0x11 -#define VMID_CP_APP 0x12 -#define VMID_WLAN 0x18 -#define VMID_WLAN_CE 0x19 -#define VMID_INVAL -1 /* * if you add a secure VMID here make sure you update - * msm_secure_vmid_to_string + * msm_secure_vmid_to_string. + * Make sure to keep the VMID_LAST as the last entry in the enum. + * This is needed in ion to create a list and it's sized using VMID_LAST. */ +enum vmid { + VMID_HLOS = 0x3, + VMID_CP_TOUCH = 0x8, + VMID_CP_BITSTREAM = 0x9, + VMID_CP_PIXEL = 0xA, + VMID_CP_NON_PIXEL = 0xB, + VMID_CP_CAMERA = 0xD, + VMID_HLOS_FREE = 0xE, + VMID_MSS_MSA = 0xF, + VMID_MSS_NONMSA = 0x10, + VMID_CP_SEC_DISPLAY = 0x11, + VMID_CP_APP = 0x12, + VMID_WLAN = 0x18, + VMID_WLAN_CE = 0x19, + VMID_LAST, + VMID_INVAL = -1 +}; #define PERM_READ 0x4 #define PERM_WRITE 0x2 |