#include "common.h"
#define FFA_DRIVER_VERSION FFA_VERSION_1_0
-
-#define FFA_SMC(calling_convention, func_num) \
- ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, (calling_convention), \
- ARM_SMCCC_OWNER_STANDARD, (func_num))
-
-#define FFA_SMC_32(func_num) FFA_SMC(ARM_SMCCC_SMC_32, (func_num))
-#define FFA_SMC_64(func_num) FFA_SMC(ARM_SMCCC_SMC_64, (func_num))
-
-#define FFA_ERROR FFA_SMC_32(0x60)
-#define FFA_SUCCESS FFA_SMC_32(0x61)
-#define FFA_INTERRUPT FFA_SMC_32(0x62)
-#define FFA_VERSION FFA_SMC_32(0x63)
-#define FFA_FEATURES FFA_SMC_32(0x64)
-#define FFA_RX_RELEASE FFA_SMC_32(0x65)
-#define FFA_RXTX_MAP FFA_SMC_32(0x66)
-#define FFA_FN64_RXTX_MAP FFA_SMC_64(0x66)
-#define FFA_RXTX_UNMAP FFA_SMC_32(0x67)
-#define FFA_PARTITION_INFO_GET FFA_SMC_32(0x68)
-#define FFA_ID_GET FFA_SMC_32(0x69)
-#define FFA_MSG_POLL FFA_SMC_32(0x6A)
-#define FFA_MSG_WAIT FFA_SMC_32(0x6B)
-#define FFA_YIELD FFA_SMC_32(0x6C)
-#define FFA_RUN FFA_SMC_32(0x6D)
-#define FFA_MSG_SEND FFA_SMC_32(0x6E)
-#define FFA_MSG_SEND_DIRECT_REQ FFA_SMC_32(0x6F)
-#define FFA_FN64_MSG_SEND_DIRECT_REQ FFA_SMC_64(0x6F)
-#define FFA_MSG_SEND_DIRECT_RESP FFA_SMC_32(0x70)
-#define FFA_FN64_MSG_SEND_DIRECT_RESP FFA_SMC_64(0x70)
-#define FFA_MEM_DONATE FFA_SMC_32(0x71)
-#define FFA_FN64_MEM_DONATE FFA_SMC_64(0x71)
-#define FFA_MEM_LEND FFA_SMC_32(0x72)
-#define FFA_FN64_MEM_LEND FFA_SMC_64(0x72)
-#define FFA_MEM_SHARE FFA_SMC_32(0x73)
-#define FFA_FN64_MEM_SHARE FFA_SMC_64(0x73)
-#define FFA_MEM_RETRIEVE_REQ FFA_SMC_32(0x74)
-#define FFA_FN64_MEM_RETRIEVE_REQ FFA_SMC_64(0x74)
-#define FFA_MEM_RETRIEVE_RESP FFA_SMC_32(0x75)
-#define FFA_MEM_RELINQUISH FFA_SMC_32(0x76)
-#define FFA_MEM_RECLAIM FFA_SMC_32(0x77)
-#define FFA_MEM_OP_PAUSE FFA_SMC_32(0x78)
-#define FFA_MEM_OP_RESUME FFA_SMC_32(0x79)
-#define FFA_MEM_FRAG_RX FFA_SMC_32(0x7A)
-#define FFA_MEM_FRAG_TX FFA_SMC_32(0x7B)
-#define FFA_NORMAL_WORLD_RESUME FFA_SMC_32(0x7C)
-
-/*
- * For some calls it is necessary to use SMC64 to pass or return 64-bit values.
- * For such calls FFA_FN_NATIVE(name) will choose the appropriate
- * (native-width) function ID.
- */
-#ifdef CONFIG_64BIT
-#define FFA_FN_NATIVE(name) FFA_FN64_##name
-#else
-#define FFA_FN_NATIVE(name) FFA_##name
-#endif
-
-/* FFA error codes. */
-#define FFA_RET_SUCCESS (0)
-#define FFA_RET_NOT_SUPPORTED (-1)
-#define FFA_RET_INVALID_PARAMETERS (-2)
-#define FFA_RET_NO_MEMORY (-3)
-#define FFA_RET_BUSY (-4)
-#define FFA_RET_INTERRUPTED (-5)
-#define FFA_RET_DENIED (-6)
-#define FFA_RET_RETRY (-7)
-#define FFA_RET_ABORTED (-8)
-
-#define MAJOR_VERSION_MASK GENMASK(30, 16)
-#define MINOR_VERSION_MASK GENMASK(15, 0)
-#define MAJOR_VERSION(x) ((u16)(FIELD_GET(MAJOR_VERSION_MASK, (x))))
-#define MINOR_VERSION(x) ((u16)(FIELD_GET(MINOR_VERSION_MASK, (x))))
-#define PACK_VERSION_INFO(major, minor) \
- (FIELD_PREP(MAJOR_VERSION_MASK, (major)) | \
- FIELD_PREP(MINOR_VERSION_MASK, (minor)))
-#define FFA_VERSION_1_0 PACK_VERSION_INFO(1, 0)
#define FFA_MIN_VERSION FFA_VERSION_1_0
#define SENDER_ID_MASK GENMASK(31, 16)
(FIELD_PREP(SENDER_ID_MASK, (s)) | FIELD_PREP(RECEIVER_ID_MASK, (r)))
/*
- * FF-A specification mentions explicitly about '4K pages'. This should
- * not be confused with the kernel PAGE_SIZE, which is the translation
- * granule kernel is configured and may be one among 4K, 16K and 64K.
- */
-#define FFA_PAGE_SIZE SZ_4K
-/*
* Keeping RX TX buffer size as 4K for now
* 64K may be preferred to keep it min a page in 64K PAGE_SIZE config
*/
*/
static u32 ffa_compatible_version_find(u32 version)
{
- u16 major = MAJOR_VERSION(version), minor = MINOR_VERSION(version);
- u16 drv_major = MAJOR_VERSION(FFA_DRIVER_VERSION);
- u16 drv_minor = MINOR_VERSION(FFA_DRIVER_VERSION);
+ u16 major = FFA_MAJOR_VERSION(version), minor = FFA_MINOR_VERSION(version);
+ u16 drv_major = FFA_MAJOR_VERSION(FFA_DRIVER_VERSION);
+ u16 drv_minor = FFA_MINOR_VERSION(FFA_DRIVER_VERSION);
if ((major < drv_major) || (major == drv_major && minor <= drv_minor))
return version;
if (ver.a0 < FFA_MIN_VERSION) {
pr_err("Incompatible v%d.%d! Earliest supported v%d.%d\n",
- MAJOR_VERSION(ver.a0), MINOR_VERSION(ver.a0),
- MAJOR_VERSION(FFA_MIN_VERSION),
- MINOR_VERSION(FFA_MIN_VERSION));
+ FFA_MAJOR_VERSION(ver.a0), FFA_MINOR_VERSION(ver.a0),
+ FFA_MAJOR_VERSION(FFA_MIN_VERSION),
+ FFA_MINOR_VERSION(FFA_MIN_VERSION));
return -EINVAL;
}
- pr_info("Driver version %d.%d\n", MAJOR_VERSION(FFA_DRIVER_VERSION),
- MINOR_VERSION(FFA_DRIVER_VERSION));
- pr_info("Firmware version %d.%d found\n", MAJOR_VERSION(ver.a0),
- MINOR_VERSION(ver.a0));
+ pr_info("Driver version %d.%d\n", FFA_MAJOR_VERSION(FFA_DRIVER_VERSION),
+ FFA_MINOR_VERSION(FFA_DRIVER_VERSION));
+ pr_info("Firmware version %d.%d found\n", FFA_MAJOR_VERSION(ver.a0),
+ FFA_MINOR_VERSION(ver.a0));
*version = ffa_compatible_version_find(ver.a0);
return 0;
#include <linux/types.h>
#include <linux/uuid.h>
+#define FFA_SMC(calling_convention, func_num) \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, (calling_convention), \
+ ARM_SMCCC_OWNER_STANDARD, (func_num))
+
+#define FFA_SMC_32(func_num) FFA_SMC(ARM_SMCCC_SMC_32, (func_num))
+#define FFA_SMC_64(func_num) FFA_SMC(ARM_SMCCC_SMC_64, (func_num))
+
+#define FFA_ERROR FFA_SMC_32(0x60)
+#define FFA_SUCCESS FFA_SMC_32(0x61)
+#define FFA_INTERRUPT FFA_SMC_32(0x62)
+#define FFA_VERSION FFA_SMC_32(0x63)
+#define FFA_FEATURES FFA_SMC_32(0x64)
+#define FFA_RX_RELEASE FFA_SMC_32(0x65)
+#define FFA_RXTX_MAP FFA_SMC_32(0x66)
+#define FFA_FN64_RXTX_MAP FFA_SMC_64(0x66)
+#define FFA_RXTX_UNMAP FFA_SMC_32(0x67)
+#define FFA_PARTITION_INFO_GET FFA_SMC_32(0x68)
+#define FFA_ID_GET FFA_SMC_32(0x69)
+#define FFA_MSG_POLL FFA_SMC_32(0x6A)
+#define FFA_MSG_WAIT FFA_SMC_32(0x6B)
+#define FFA_YIELD FFA_SMC_32(0x6C)
+#define FFA_RUN FFA_SMC_32(0x6D)
+#define FFA_MSG_SEND FFA_SMC_32(0x6E)
+#define FFA_MSG_SEND_DIRECT_REQ FFA_SMC_32(0x6F)
+#define FFA_FN64_MSG_SEND_DIRECT_REQ FFA_SMC_64(0x6F)
+#define FFA_MSG_SEND_DIRECT_RESP FFA_SMC_32(0x70)
+#define FFA_FN64_MSG_SEND_DIRECT_RESP FFA_SMC_64(0x70)
+#define FFA_MEM_DONATE FFA_SMC_32(0x71)
+#define FFA_FN64_MEM_DONATE FFA_SMC_64(0x71)
+#define FFA_MEM_LEND FFA_SMC_32(0x72)
+#define FFA_FN64_MEM_LEND FFA_SMC_64(0x72)
+#define FFA_MEM_SHARE FFA_SMC_32(0x73)
+#define FFA_FN64_MEM_SHARE FFA_SMC_64(0x73)
+#define FFA_MEM_RETRIEVE_REQ FFA_SMC_32(0x74)
+#define FFA_FN64_MEM_RETRIEVE_REQ FFA_SMC_64(0x74)
+#define FFA_MEM_RETRIEVE_RESP FFA_SMC_32(0x75)
+#define FFA_MEM_RELINQUISH FFA_SMC_32(0x76)
+#define FFA_MEM_RECLAIM FFA_SMC_32(0x77)
+#define FFA_MEM_OP_PAUSE FFA_SMC_32(0x78)
+#define FFA_MEM_OP_RESUME FFA_SMC_32(0x79)
+#define FFA_MEM_FRAG_RX FFA_SMC_32(0x7A)
+#define FFA_MEM_FRAG_TX FFA_SMC_32(0x7B)
+#define FFA_NORMAL_WORLD_RESUME FFA_SMC_32(0x7C)
+
+/*
+ * For some calls it is necessary to use SMC64 to pass or return 64-bit values.
+ * For such calls FFA_FN_NATIVE(name) will choose the appropriate
+ * (native-width) function ID.
+ */
+#ifdef CONFIG_64BIT
+#define FFA_FN_NATIVE(name) FFA_FN64_##name
+#else
+#define FFA_FN_NATIVE(name) FFA_##name
+#endif
+
+/* FFA error codes. */
+#define FFA_RET_SUCCESS (0)
+#define FFA_RET_NOT_SUPPORTED (-1)
+#define FFA_RET_INVALID_PARAMETERS (-2)
+#define FFA_RET_NO_MEMORY (-3)
+#define FFA_RET_BUSY (-4)
+#define FFA_RET_INTERRUPTED (-5)
+#define FFA_RET_DENIED (-6)
+#define FFA_RET_RETRY (-7)
+#define FFA_RET_ABORTED (-8)
+
+/* FFA version encoding */
+#define FFA_MAJOR_VERSION_MASK GENMASK(30, 16)
+#define FFA_MINOR_VERSION_MASK GENMASK(15, 0)
+#define FFA_MAJOR_VERSION(x) ((u16)(FIELD_GET(FFA_MAJOR_VERSION_MASK, (x))))
+#define FFA_MINOR_VERSION(x) ((u16)(FIELD_GET(FFA_MINOR_VERSION_MASK, (x))))
+#define FFA_PACK_VERSION_INFO(major, minor) \
+ (FIELD_PREP(FFA_MAJOR_VERSION_MASK, (major)) | \
+ FIELD_PREP(FFA_MINOR_VERSION_MASK, (minor)))
+#define FFA_VERSION_1_0 FFA_PACK_VERSION_INFO(1, 0)
+
+/**
+ * FF-A specification mentions explicitly about '4K pages'. This should
+ * not be confused with the kernel PAGE_SIZE, which is the translation
+ * granule kernel is configured and may be one among 4K, 16K and 64K.
+ */
+#define FFA_PAGE_SIZE SZ_4K
+
/* FFA Bus/Device/Driver related */
struct ffa_device {
int vm_id;
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