Merge branch 'for-next/ffa' into for-next/core
* for-next/ffa: firmware: arm_ffa: Move comment before the field it is documenting firmware: arm_ffa: Move constants to header file
This commit is contained in:
Will Deacon
commit
5def4a9791
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@ -36,81 +36,6 @@
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#include "common.h"
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#define FFA_DRIVER_VERSION FFA_VERSION_1_0
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#define FFA_SMC(calling_convention, func_num) \
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ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, (calling_convention), \
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ARM_SMCCC_OWNER_STANDARD, (func_num))
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#define FFA_SMC_32(func_num) FFA_SMC(ARM_SMCCC_SMC_32, (func_num))
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#define FFA_SMC_64(func_num) FFA_SMC(ARM_SMCCC_SMC_64, (func_num))
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#define FFA_ERROR FFA_SMC_32(0x60)
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#define FFA_SUCCESS FFA_SMC_32(0x61)
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#define FFA_INTERRUPT FFA_SMC_32(0x62)
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#define FFA_VERSION FFA_SMC_32(0x63)
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#define FFA_FEATURES FFA_SMC_32(0x64)
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#define FFA_RX_RELEASE FFA_SMC_32(0x65)
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#define FFA_RXTX_MAP FFA_SMC_32(0x66)
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#define FFA_FN64_RXTX_MAP FFA_SMC_64(0x66)
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#define FFA_RXTX_UNMAP FFA_SMC_32(0x67)
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#define FFA_PARTITION_INFO_GET FFA_SMC_32(0x68)
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#define FFA_ID_GET FFA_SMC_32(0x69)
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#define FFA_MSG_POLL FFA_SMC_32(0x6A)
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#define FFA_MSG_WAIT FFA_SMC_32(0x6B)
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#define FFA_YIELD FFA_SMC_32(0x6C)
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#define FFA_RUN FFA_SMC_32(0x6D)
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#define FFA_MSG_SEND FFA_SMC_32(0x6E)
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#define FFA_MSG_SEND_DIRECT_REQ FFA_SMC_32(0x6F)
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#define FFA_FN64_MSG_SEND_DIRECT_REQ FFA_SMC_64(0x6F)
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#define FFA_MSG_SEND_DIRECT_RESP FFA_SMC_32(0x70)
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#define FFA_FN64_MSG_SEND_DIRECT_RESP FFA_SMC_64(0x70)
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#define FFA_MEM_DONATE FFA_SMC_32(0x71)
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#define FFA_FN64_MEM_DONATE FFA_SMC_64(0x71)
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#define FFA_MEM_LEND FFA_SMC_32(0x72)
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#define FFA_FN64_MEM_LEND FFA_SMC_64(0x72)
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#define FFA_MEM_SHARE FFA_SMC_32(0x73)
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#define FFA_FN64_MEM_SHARE FFA_SMC_64(0x73)
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#define FFA_MEM_RETRIEVE_REQ FFA_SMC_32(0x74)
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#define FFA_FN64_MEM_RETRIEVE_REQ FFA_SMC_64(0x74)
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#define FFA_MEM_RETRIEVE_RESP FFA_SMC_32(0x75)
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#define FFA_MEM_RELINQUISH FFA_SMC_32(0x76)
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#define FFA_MEM_RECLAIM FFA_SMC_32(0x77)
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#define FFA_MEM_OP_PAUSE FFA_SMC_32(0x78)
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#define FFA_MEM_OP_RESUME FFA_SMC_32(0x79)
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#define FFA_MEM_FRAG_RX FFA_SMC_32(0x7A)
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#define FFA_MEM_FRAG_TX FFA_SMC_32(0x7B)
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#define FFA_NORMAL_WORLD_RESUME FFA_SMC_32(0x7C)
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/*
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* For some calls it is necessary to use SMC64 to pass or return 64-bit values.
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* For such calls FFA_FN_NATIVE(name) will choose the appropriate
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* (native-width) function ID.
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*/
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#ifdef CONFIG_64BIT
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#define FFA_FN_NATIVE(name) FFA_FN64_##name
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#else
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#define FFA_FN_NATIVE(name) FFA_##name
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#endif
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/* FFA error codes. */
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#define FFA_RET_SUCCESS (0)
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#define FFA_RET_NOT_SUPPORTED (-1)
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#define FFA_RET_INVALID_PARAMETERS (-2)
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#define FFA_RET_NO_MEMORY (-3)
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#define FFA_RET_BUSY (-4)
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#define FFA_RET_INTERRUPTED (-5)
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#define FFA_RET_DENIED (-6)
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#define FFA_RET_RETRY (-7)
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#define FFA_RET_ABORTED (-8)
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#define MAJOR_VERSION_MASK GENMASK(30, 16)
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#define MINOR_VERSION_MASK GENMASK(15, 0)
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#define MAJOR_VERSION(x) ((u16)(FIELD_GET(MAJOR_VERSION_MASK, (x))))
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#define MINOR_VERSION(x) ((u16)(FIELD_GET(MINOR_VERSION_MASK, (x))))
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#define PACK_VERSION_INFO(major, minor) \
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(FIELD_PREP(MAJOR_VERSION_MASK, (major)) | \
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FIELD_PREP(MINOR_VERSION_MASK, (minor)))
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#define FFA_VERSION_1_0 PACK_VERSION_INFO(1, 0)
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#define FFA_MIN_VERSION FFA_VERSION_1_0
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#define SENDER_ID_MASK GENMASK(31, 16)
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@ -120,12 +45,6 @@
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#define PACK_TARGET_INFO(s, r) \
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(FIELD_PREP(SENDER_ID_MASK, (s)) | FIELD_PREP(RECEIVER_ID_MASK, (r)))
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/*
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* FF-A specification mentions explicitly about '4K pages'. This should
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* not be confused with the kernel PAGE_SIZE, which is the translation
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* granule kernel is configured and may be one among 4K, 16K and 64K.
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*/
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#define FFA_PAGE_SIZE SZ_4K
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/*
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* Keeping RX TX buffer size as 4K for now
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* 64K may be preferred to keep it min a page in 64K PAGE_SIZE config
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@ -178,9 +97,9 @@ static struct ffa_drv_info *drv_info;
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*/
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static u32 ffa_compatible_version_find(u32 version)
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{
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u16 major = MAJOR_VERSION(version), minor = MINOR_VERSION(version);
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u16 drv_major = MAJOR_VERSION(FFA_DRIVER_VERSION);
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u16 drv_minor = MINOR_VERSION(FFA_DRIVER_VERSION);
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u16 major = FFA_MAJOR_VERSION(version), minor = FFA_MINOR_VERSION(version);
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u16 drv_major = FFA_MAJOR_VERSION(FFA_DRIVER_VERSION);
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u16 drv_minor = FFA_MINOR_VERSION(FFA_DRIVER_VERSION);
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if ((major < drv_major) || (major == drv_major && minor <= drv_minor))
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return version;
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@ -204,16 +123,16 @@ static int ffa_version_check(u32 *version)
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if (ver.a0 < FFA_MIN_VERSION) {
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pr_err("Incompatible v%d.%d! Earliest supported v%d.%d\n",
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MAJOR_VERSION(ver.a0), MINOR_VERSION(ver.a0),
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MAJOR_VERSION(FFA_MIN_VERSION),
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MINOR_VERSION(FFA_MIN_VERSION));
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FFA_MAJOR_VERSION(ver.a0), FFA_MINOR_VERSION(ver.a0),
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FFA_MAJOR_VERSION(FFA_MIN_VERSION),
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FFA_MINOR_VERSION(FFA_MIN_VERSION));
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return -EINVAL;
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}
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pr_info("Driver version %d.%d\n", MAJOR_VERSION(FFA_DRIVER_VERSION),
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MINOR_VERSION(FFA_DRIVER_VERSION));
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pr_info("Firmware version %d.%d found\n", MAJOR_VERSION(ver.a0),
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MINOR_VERSION(ver.a0));
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pr_info("Driver version %d.%d\n", FFA_MAJOR_VERSION(FFA_DRIVER_VERSION),
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FFA_MINOR_VERSION(FFA_DRIVER_VERSION));
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pr_info("Firmware version %d.%d found\n", FFA_MAJOR_VERSION(ver.a0),
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FFA_MINOR_VERSION(ver.a0));
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*version = ffa_compatible_version_find(ver.a0);
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return 0;
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@ -11,6 +11,89 @@
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#include <linux/types.h>
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#include <linux/uuid.h>
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#define FFA_SMC(calling_convention, func_num) \
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ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, (calling_convention), \
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ARM_SMCCC_OWNER_STANDARD, (func_num))
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#define FFA_SMC_32(func_num) FFA_SMC(ARM_SMCCC_SMC_32, (func_num))
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#define FFA_SMC_64(func_num) FFA_SMC(ARM_SMCCC_SMC_64, (func_num))
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#define FFA_ERROR FFA_SMC_32(0x60)
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#define FFA_SUCCESS FFA_SMC_32(0x61)
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#define FFA_INTERRUPT FFA_SMC_32(0x62)
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#define FFA_VERSION FFA_SMC_32(0x63)
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#define FFA_FEATURES FFA_SMC_32(0x64)
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#define FFA_RX_RELEASE FFA_SMC_32(0x65)
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#define FFA_RXTX_MAP FFA_SMC_32(0x66)
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#define FFA_FN64_RXTX_MAP FFA_SMC_64(0x66)
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#define FFA_RXTX_UNMAP FFA_SMC_32(0x67)
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#define FFA_PARTITION_INFO_GET FFA_SMC_32(0x68)
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#define FFA_ID_GET FFA_SMC_32(0x69)
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#define FFA_MSG_POLL FFA_SMC_32(0x6A)
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#define FFA_MSG_WAIT FFA_SMC_32(0x6B)
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#define FFA_YIELD FFA_SMC_32(0x6C)
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#define FFA_RUN FFA_SMC_32(0x6D)
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#define FFA_MSG_SEND FFA_SMC_32(0x6E)
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#define FFA_MSG_SEND_DIRECT_REQ FFA_SMC_32(0x6F)
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#define FFA_FN64_MSG_SEND_DIRECT_REQ FFA_SMC_64(0x6F)
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#define FFA_MSG_SEND_DIRECT_RESP FFA_SMC_32(0x70)
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#define FFA_FN64_MSG_SEND_DIRECT_RESP FFA_SMC_64(0x70)
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#define FFA_MEM_DONATE FFA_SMC_32(0x71)
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#define FFA_FN64_MEM_DONATE FFA_SMC_64(0x71)
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#define FFA_MEM_LEND FFA_SMC_32(0x72)
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#define FFA_FN64_MEM_LEND FFA_SMC_64(0x72)
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#define FFA_MEM_SHARE FFA_SMC_32(0x73)
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#define FFA_FN64_MEM_SHARE FFA_SMC_64(0x73)
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#define FFA_MEM_RETRIEVE_REQ FFA_SMC_32(0x74)
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#define FFA_FN64_MEM_RETRIEVE_REQ FFA_SMC_64(0x74)
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#define FFA_MEM_RETRIEVE_RESP FFA_SMC_32(0x75)
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#define FFA_MEM_RELINQUISH FFA_SMC_32(0x76)
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#define FFA_MEM_RECLAIM FFA_SMC_32(0x77)
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#define FFA_MEM_OP_PAUSE FFA_SMC_32(0x78)
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#define FFA_MEM_OP_RESUME FFA_SMC_32(0x79)
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#define FFA_MEM_FRAG_RX FFA_SMC_32(0x7A)
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#define FFA_MEM_FRAG_TX FFA_SMC_32(0x7B)
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#define FFA_NORMAL_WORLD_RESUME FFA_SMC_32(0x7C)
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/*
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* For some calls it is necessary to use SMC64 to pass or return 64-bit values.
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* For such calls FFA_FN_NATIVE(name) will choose the appropriate
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* (native-width) function ID.
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*/
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#ifdef CONFIG_64BIT
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#define FFA_FN_NATIVE(name) FFA_FN64_##name
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#else
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#define FFA_FN_NATIVE(name) FFA_##name
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#endif
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/* FFA error codes. */
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#define FFA_RET_SUCCESS (0)
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#define FFA_RET_NOT_SUPPORTED (-1)
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#define FFA_RET_INVALID_PARAMETERS (-2)
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#define FFA_RET_NO_MEMORY (-3)
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#define FFA_RET_BUSY (-4)
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#define FFA_RET_INTERRUPTED (-5)
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#define FFA_RET_DENIED (-6)
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#define FFA_RET_RETRY (-7)
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#define FFA_RET_ABORTED (-8)
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/* FFA version encoding */
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#define FFA_MAJOR_VERSION_MASK GENMASK(30, 16)
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#define FFA_MINOR_VERSION_MASK GENMASK(15, 0)
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#define FFA_MAJOR_VERSION(x) ((u16)(FIELD_GET(FFA_MAJOR_VERSION_MASK, (x))))
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#define FFA_MINOR_VERSION(x) ((u16)(FIELD_GET(FFA_MINOR_VERSION_MASK, (x))))
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#define FFA_PACK_VERSION_INFO(major, minor) \
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(FIELD_PREP(FFA_MAJOR_VERSION_MASK, (major)) | \
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FIELD_PREP(FFA_MINOR_VERSION_MASK, (minor)))
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#define FFA_VERSION_1_0 FFA_PACK_VERSION_INFO(1, 0)
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/**
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* FF-A specification mentions explicitly about '4K pages'. This should
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* not be confused with the kernel PAGE_SIZE, which is the translation
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* granule kernel is configured and may be one among 4K, 16K and 64K.
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*/
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#define FFA_PAGE_SIZE SZ_4K
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/* FFA Bus/Device/Driver related */
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struct ffa_device {
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int vm_id;
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@ -161,11 +244,11 @@ struct ffa_mem_region_attributes {
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*/
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#define FFA_MEM_RETRIEVE_SELF_BORROWER BIT(0)
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u8 flag;
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u32 composite_off;
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/*
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* Offset in bytes from the start of the outer `ffa_memory_region` to
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* an `struct ffa_mem_region_addr_range`.
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*/
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u32 composite_off;
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u64 reserved;
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};
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