diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0028-ANDROID-trusty-Remove-FFA-specific-initilization.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0028-ANDROID-trusty-Remove-FFA-specific-initilization.patch | 1077 |
1 files changed, 1077 insertions, 0 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0028-ANDROID-trusty-Remove-FFA-specific-initilization.patch b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0028-ANDROID-trusty-Remove-FFA-specific-initilization.patch new file mode 100644 index 0000000000..83512f4a8d --- /dev/null +++ b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0028-ANDROID-trusty-Remove-FFA-specific-initilization.patch @@ -0,0 +1,1077 @@ +From 1ecad11415cff1f4a1f098ddb224293fcc8df4a1 Mon Sep 17 00:00:00 2001 +From: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com> +Date: Fri, 14 Jan 2022 13:41:26 +0000 +Subject: [PATCH 28/40] ANDROID: trusty: Remove FFA specific initilization + +Remove FFA specific initialization and its arm_ffa.h file from Trusty +driver. These changes are done so that Trusty can use ARM FFA driver +and its related header files. + +Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com> +Change-Id: Iaad473659de94930cdf78cd7201f016d59cee8d7 +Upstream-Status: Pending [Not submitted to upstream yet] +Signed-off-by: Rupinderjit Singh <rupinderjit.singh@arm.com +--- + drivers/trusty/trusty-mem.c | 37 --- + drivers/trusty/trusty.c | 286 +--------------- + include/linux/trusty/arm_ffa.h | 590 --------------------------------- + include/linux/trusty/trusty.h | 3 - + 4 files changed, 3 insertions(+), 913 deletions(-) + delete mode 100644 include/linux/trusty/arm_ffa.h + +diff --git a/drivers/trusty/trusty-mem.c b/drivers/trusty/trusty-mem.c +index 8a360298e501..7775ff76c38c 100644 +--- a/drivers/trusty/trusty-mem.c ++++ b/drivers/trusty/trusty-mem.c +@@ -5,7 +5,6 @@ + + #include <linux/types.h> + #include <linux/printk.h> +-#include <linux/trusty/arm_ffa.h> + #include <linux/trusty/trusty.h> + #include <linux/trusty/smcall.h> + +@@ -75,8 +74,6 @@ int trusty_encode_page_info(struct ns_mem_page_info *inf, + { + int mem_attr; + u64 pte; +- u8 ffa_mem_attr; +- u8 ffa_mem_perm = 0; + + if (!inf || !page) + return -EINVAL; +@@ -89,30 +86,6 @@ int trusty_encode_page_info(struct ns_mem_page_info *inf, + if (mem_attr < 0) + return mem_attr; + +- switch (mem_attr) { +- case MEM_ATTR_STRONGLY_ORDERED: +- ffa_mem_attr = FFA_MEM_ATTR_DEVICE_NGNRNE; +- break; +- +- case MEM_ATTR_DEVICE: +- ffa_mem_attr = FFA_MEM_ATTR_DEVICE_NGNRE; +- break; +- +- case MEM_ATTR_NORMAL_NON_CACHEABLE: +- ffa_mem_attr = FFA_MEM_ATTR_NORMAL_MEMORY_UNCACHED; +- break; +- +- case MEM_ATTR_NORMAL_WRITE_BACK_READ_ALLOCATE: +- case MEM_ATTR_NORMAL_WRITE_BACK_WRITE_ALLOCATE: +- ffa_mem_attr = FFA_MEM_ATTR_NORMAL_MEMORY_CACHED_WB; +- break; +- +- default: +- return -EINVAL; +- } +- +- inf->paddr = pte; +- + /* add other attributes */ + #if defined(CONFIG_ARM64) || defined(CONFIG_ARM_LPAE) + pte |= pgprot_val(pgprot); +@@ -123,16 +96,6 @@ int trusty_encode_page_info(struct ns_mem_page_info *inf, + pte |= ATTR_INNER_SHAREABLE; /* inner sharable */ + #endif + +- if (!(pte & ATTR_RDONLY)) +- ffa_mem_perm |= FFA_MEM_PERM_RW; +- else +- ffa_mem_perm |= FFA_MEM_PERM_RO; +- +- if ((pte & ATTR_INNER_SHAREABLE) == ATTR_INNER_SHAREABLE) +- ffa_mem_attr |= FFA_MEM_ATTR_INNER_SHAREABLE; +- +- inf->ffa_mem_attr = ffa_mem_attr; +- inf->ffa_mem_perm = ffa_mem_perm; + inf->compat_attr = (pte & 0x0000FFFFFFFFFFFFull) | + ((u64)mem_attr << 48); + return 0; +diff --git a/drivers/trusty/trusty.c b/drivers/trusty/trusty.c +index 265eab52aea0..2dec75398f69 100644 +--- a/drivers/trusty/trusty.c ++++ b/drivers/trusty/trusty.c +@@ -11,7 +11,6 @@ + #include <linux/slab.h> + #include <linux/stat.h> + #include <linux/string.h> +-#include <linux/trusty/arm_ffa.h> + #include <linux/trusty/smcall.h> + #include <linux/trusty/sm_err.h> + #include <linux/trusty/trusty.h> +@@ -42,11 +41,6 @@ struct trusty_state { + struct list_head nop_queue; + spinlock_t nop_lock; /* protects nop_queue */ + struct device_dma_parameters dma_parms; +- void *ffa_tx; +- void *ffa_rx; +- u16 ffa_local_id; +- u16 ffa_remote_id; +- struct mutex share_memory_msg_lock; /* protects share_memory_msg */ + }; + + static inline unsigned long smc(unsigned long r0, unsigned long r1, +@@ -246,19 +240,6 @@ int trusty_transfer_memory(struct device *dev, u64 *id, + struct ns_mem_page_info pg_inf; + struct scatterlist *sg; + size_t count; +- size_t i; +- size_t len; +- u64 ffa_handle = 0; +- size_t total_len; +- size_t endpoint_count = 1; +- struct ffa_mtd *mtd = s->ffa_tx; +- size_t comp_mrd_offset = offsetof(struct ffa_mtd, emad[endpoint_count]); +- struct ffa_comp_mrd *comp_mrd = s->ffa_tx + comp_mrd_offset; +- struct ffa_cons_mrd *cons_mrd = comp_mrd->address_range_array; +- size_t cons_mrd_offset = (void *)cons_mrd - s->ffa_tx; +- struct smc_ret8 smc_ret; +- u32 cookie_low; +- u32 cookie_high; + + if (WARN_ON(dev->driver != &trusty_driver.driver)) + return -EINVAL; +@@ -284,126 +265,11 @@ int trusty_transfer_memory(struct device *dev, u64 *id, + if (ret) { + dev_err(s->dev, "%s: trusty_encode_page_info failed\n", + __func__); +- goto err_encode_page_info; +- } +- +- if (s->api_version < TRUSTY_API_VERSION_MEM_OBJ) { +- *id = pg_inf.compat_attr; +- return 0; +- } +- +- len = 0; +- for_each_sg(sglist, sg, nents, i) +- len += sg_dma_len(sg); +- +- mutex_lock(&s->share_memory_msg_lock); +- +- mtd->sender_id = s->ffa_local_id; +- mtd->memory_region_attributes = pg_inf.ffa_mem_attr; +- mtd->reserved_3 = 0; +- mtd->flags = 0; +- mtd->handle = 0; +- mtd->tag = tag; +- mtd->reserved_24_27 = 0; +- mtd->emad_count = endpoint_count; +- for (i = 0; i < endpoint_count; i++) { +- struct ffa_emad *emad = &mtd->emad[i]; +- /* TODO: support stream ids */ +- emad->mapd.endpoint_id = s->ffa_remote_id; +- emad->mapd.memory_access_permissions = pg_inf.ffa_mem_perm; +- emad->mapd.flags = 0; +- emad->comp_mrd_offset = comp_mrd_offset; +- emad->reserved_8_15 = 0; +- } +- comp_mrd->total_page_count = len / PAGE_SIZE; +- comp_mrd->address_range_count = nents; +- comp_mrd->reserved_8_15 = 0; +- +- total_len = cons_mrd_offset + nents * sizeof(*cons_mrd); +- sg = sglist; +- while (count) { +- size_t lcount = +- min_t(size_t, count, (PAGE_SIZE - cons_mrd_offset) / +- sizeof(*cons_mrd)); +- size_t fragment_len = lcount * sizeof(*cons_mrd) + +- cons_mrd_offset; +- +- for (i = 0; i < lcount; i++) { +- cons_mrd[i].address = sg_dma_address(sg); +- cons_mrd[i].page_count = sg_dma_len(sg) / PAGE_SIZE; +- cons_mrd[i].reserved_12_15 = 0; +- sg = sg_next(sg); +- } +- count -= lcount; +- if (cons_mrd_offset) { +- u32 smc = lend ? SMC_FC_FFA_MEM_LEND : +- SMC_FC_FFA_MEM_SHARE; +- /* First fragment */ +- smc_ret = trusty_smc8(smc, total_len, +- fragment_len, 0, 0, 0, 0, 0); +- } else { +- smc_ret = trusty_smc8(SMC_FC_FFA_MEM_FRAG_TX, +- cookie_low, cookie_high, +- fragment_len, 0, 0, 0, 0); +- } +- if (smc_ret.r0 == SMC_FC_FFA_MEM_FRAG_RX) { +- cookie_low = smc_ret.r1; +- cookie_high = smc_ret.r2; +- dev_dbg(s->dev, "cookie %x %x", cookie_low, +- cookie_high); +- if (!count) { +- /* +- * We have sent all our descriptors. Expected +- * SMC_FC_FFA_SUCCESS, not a request to send +- * another fragment. +- */ +- dev_err(s->dev, "%s: fragment_len %zd/%zd, unexpected SMC_FC_FFA_MEM_FRAG_RX\n", +- __func__, fragment_len, total_len); +- ret = -EIO; +- break; +- } +- } else if (smc_ret.r0 == SMC_FC_FFA_SUCCESS) { +- ffa_handle = smc_ret.r2 | (u64)smc_ret.r3 << 32; +- dev_dbg(s->dev, "%s: fragment_len %zu/%zu, got handle 0x%llx\n", +- __func__, fragment_len, total_len, +- ffa_handle); +- if (count) { +- /* +- * We have not sent all our descriptors. +- * Expected SMC_FC_FFA_MEM_FRAG_RX not +- * SMC_FC_FFA_SUCCESS. +- */ +- dev_err(s->dev, "%s: fragment_len %zu/%zu, unexpected SMC_FC_FFA_SUCCESS, count %zu != 0\n", +- __func__, fragment_len, total_len, +- count); +- ret = -EIO; +- break; +- } +- } else { +- dev_err(s->dev, "%s: fragment_len %zu/%zu, SMC_FC_FFA_MEM_SHARE failed 0x%lx 0x%lx 0x%lx", +- __func__, fragment_len, total_len, +- smc_ret.r0, smc_ret.r1, smc_ret.r2); +- ret = -EIO; +- break; +- } +- +- cons_mrd = s->ffa_tx; +- cons_mrd_offset = 0; +- } +- +- mutex_unlock(&s->share_memory_msg_lock); +- +- if (!ret) { +- *id = ffa_handle; +- dev_dbg(s->dev, "%s: done\n", __func__); +- return 0; ++ return ret; + } + +- dev_err(s->dev, "%s: failed %d", __func__, ret); +- +-err_encode_page_info: +- dma_unmap_sg(dev, sglist, nents, DMA_BIDIRECTIONAL); +- return ret; ++ *id = pg_inf.compat_attr; ++ return 0; + } + EXPORT_SYMBOL(trusty_transfer_memory); + +@@ -433,8 +299,6 @@ int trusty_reclaim_memory(struct device *dev, u64 id, + struct scatterlist *sglist, unsigned int nents) + { + struct trusty_state *s = platform_get_drvdata(to_platform_device(dev)); +- int ret = 0; +- struct smc_ret8 smc_ret; + + if (WARN_ON(dev->driver != &trusty_driver.driver)) + return -EINVAL; +@@ -454,28 +318,6 @@ int trusty_reclaim_memory(struct device *dev, u64 id, + return 0; + } + +- mutex_lock(&s->share_memory_msg_lock); +- +- smc_ret = trusty_smc8(SMC_FC_FFA_MEM_RECLAIM, (u32)id, id >> 32, 0, 0, +- 0, 0, 0); +- if (smc_ret.r0 != SMC_FC_FFA_SUCCESS) { +- dev_err(s->dev, "%s: SMC_FC_FFA_MEM_RECLAIM failed 0x%lx 0x%lx 0x%lx", +- __func__, smc_ret.r0, smc_ret.r1, smc_ret.r2); +- if (smc_ret.r0 == SMC_FC_FFA_ERROR && +- smc_ret.r2 == FFA_ERROR_DENIED) +- ret = -EBUSY; +- else +- ret = -EIO; +- } +- +- mutex_unlock(&s->share_memory_msg_lock); +- +- if (ret != 0) +- return ret; +- +- dma_unmap_sg(dev, sglist, nents, DMA_BIDIRECTIONAL); +- +- dev_dbg(s->dev, "%s: done\n", __func__); + return 0; + } + EXPORT_SYMBOL(trusty_reclaim_memory); +@@ -527,118 +369,6 @@ const char *trusty_version_str_get(struct device *dev) + } + EXPORT_SYMBOL(trusty_version_str_get); + +-static int trusty_init_msg_buf(struct trusty_state *s, struct device *dev) +-{ +- phys_addr_t tx_paddr; +- phys_addr_t rx_paddr; +- int ret; +- struct smc_ret8 smc_ret; +- +- if (s->api_version < TRUSTY_API_VERSION_MEM_OBJ) +- return 0; +- +- /* Get supported FF-A version and check if it is compatible */ +- smc_ret = trusty_smc8(SMC_FC_FFA_VERSION, FFA_CURRENT_VERSION, 0, 0, +- 0, 0, 0, 0); +- if (FFA_VERSION_TO_MAJOR(smc_ret.r0) != FFA_CURRENT_VERSION_MAJOR) { +- dev_err(s->dev, +- "%s: Unsupported FF-A version 0x%lx, expected 0x%x\n", +- __func__, smc_ret.r0, FFA_CURRENT_VERSION); +- ret = -EIO; +- goto err_version; +- } +- +- /* Check that SMC_FC_FFA_MEM_SHARE is implemented */ +- smc_ret = trusty_smc8(SMC_FC_FFA_FEATURES, SMC_FC_FFA_MEM_SHARE, 0, 0, +- 0, 0, 0, 0); +- if (smc_ret.r0 != SMC_FC_FFA_SUCCESS) { +- dev_err(s->dev, +- "%s: SMC_FC_FFA_FEATURES(SMC_FC_FFA_MEM_SHARE) failed 0x%lx 0x%lx 0x%lx\n", +- __func__, smc_ret.r0, smc_ret.r1, smc_ret.r2); +- ret = -EIO; +- goto err_features; +- } +- +- /* +- * Set FF-A endpoint IDs. +- * +- * Hardcode 0x8000 for the secure os. +- * TODO: Use FF-A call or device tree to configure this dynamically +- */ +- smc_ret = trusty_smc8(SMC_FC_FFA_ID_GET, 0, 0, 0, 0, 0, 0, 0); +- if (smc_ret.r0 != SMC_FC_FFA_SUCCESS) { +- dev_err(s->dev, +- "%s: SMC_FC_FFA_ID_GET failed 0x%lx 0x%lx 0x%lx\n", +- __func__, smc_ret.r0, smc_ret.r1, smc_ret.r2); +- ret = -EIO; +- goto err_id_get; +- } +- +- s->ffa_local_id = smc_ret.r2; +- s->ffa_remote_id = 0x8000; +- +- s->ffa_tx = kmalloc(PAGE_SIZE, GFP_KERNEL); +- if (!s->ffa_tx) { +- ret = -ENOMEM; +- goto err_alloc_tx; +- } +- tx_paddr = virt_to_phys(s->ffa_tx); +- if (WARN_ON(tx_paddr & (PAGE_SIZE - 1))) { +- ret = -EINVAL; +- goto err_unaligned_tx_buf; +- } +- +- s->ffa_rx = kmalloc(PAGE_SIZE, GFP_KERNEL); +- if (!s->ffa_rx) { +- ret = -ENOMEM; +- goto err_alloc_rx; +- } +- rx_paddr = virt_to_phys(s->ffa_rx); +- if (WARN_ON(rx_paddr & (PAGE_SIZE - 1))) { +- ret = -EINVAL; +- goto err_unaligned_rx_buf; +- } +- +- smc_ret = trusty_smc8(SMC_FCZ_FFA_RXTX_MAP, tx_paddr, rx_paddr, 1, 0, +- 0, 0, 0); +- if (smc_ret.r0 != SMC_FC_FFA_SUCCESS) { +- dev_err(s->dev, "%s: SMC_FCZ_FFA_RXTX_MAP failed 0x%lx 0x%lx 0x%lx\n", +- __func__, smc_ret.r0, smc_ret.r1, smc_ret.r2); +- ret = -EIO; +- goto err_rxtx_map; +- } +- +- return 0; +- +-err_rxtx_map: +-err_unaligned_rx_buf: +- kfree(s->ffa_rx); +- s->ffa_rx = NULL; +-err_alloc_rx: +-err_unaligned_tx_buf: +- kfree(s->ffa_tx); +- s->ffa_tx = NULL; +-err_alloc_tx: +-err_id_get: +-err_features: +-err_version: +- return ret; +-} +- +-static void trusty_free_msg_buf(struct trusty_state *s, struct device *dev) +-{ +- struct smc_ret8 smc_ret; +- +- smc_ret = trusty_smc8(SMC_FC_FFA_RXTX_UNMAP, 0, 0, 0, 0, 0, 0, 0); +- if (smc_ret.r0 != SMC_FC_FFA_SUCCESS) { +- dev_err(s->dev, "%s: SMC_FC_FFA_RXTX_UNMAP failed 0x%lx 0x%lx 0x%lx\n", +- __func__, smc_ret.r0, smc_ret.r1, smc_ret.r2); +- } else { +- kfree(s->ffa_rx); +- kfree(s->ffa_tx); +- } +-} +- + static void trusty_init_version(struct trusty_state *s, struct device *dev) + { + int ret; +@@ -842,7 +572,6 @@ static int trusty_probe(struct platform_device *pdev) + spin_lock_init(&s->nop_lock); + INIT_LIST_HEAD(&s->nop_queue); + mutex_init(&s->smc_lock); +- mutex_init(&s->share_memory_msg_lock); + ATOMIC_INIT_NOTIFIER_HEAD(&s->notifier); + init_completion(&s->cpu_idle_completion); + +@@ -862,10 +591,6 @@ static int trusty_probe(struct platform_device *pdev) + if (ret < 0) + goto err_api_version; + +- ret = trusty_init_msg_buf(s, &pdev->dev); +- if (ret < 0) +- goto err_init_msg_buf; +- + s->nop_wq = alloc_workqueue("trusty-nop-wq", WQ_CPU_INTENSIVE, 0); + if (!s->nop_wq) { + ret = -ENODEV; +@@ -910,13 +635,10 @@ static int trusty_probe(struct platform_device *pdev) + err_alloc_works: + destroy_workqueue(s->nop_wq); + err_create_nop_wq: +- trusty_free_msg_buf(s, &pdev->dev); +-err_init_msg_buf: + err_api_version: + s->dev->dma_parms = NULL; + kfree(s->version_str); + device_for_each_child(&pdev->dev, NULL, trusty_remove_child); +- mutex_destroy(&s->share_memory_msg_lock); + mutex_destroy(&s->smc_lock); + kfree(s); + err_allocate_state: +@@ -938,9 +660,7 @@ static int trusty_remove(struct platform_device *pdev) + free_percpu(s->nop_works); + destroy_workqueue(s->nop_wq); + +- mutex_destroy(&s->share_memory_msg_lock); + mutex_destroy(&s->smc_lock); +- trusty_free_msg_buf(s, &pdev->dev); + s->dev->dma_parms = NULL; + kfree(s->version_str); + kfree(s); +diff --git a/include/linux/trusty/arm_ffa.h b/include/linux/trusty/arm_ffa.h +deleted file mode 100644 +index ab7b2afb794c..000000000000 +--- a/include/linux/trusty/arm_ffa.h ++++ /dev/null +@@ -1,590 +0,0 @@ +-/* SPDX-License-Identifier: MIT */ +-/* +- * Copyright (C) 2020 Google, Inc. +- * +- * Trusty and TF-A also have a copy of this header. +- * Please keep the copies in sync. +- */ +-#ifndef __LINUX_TRUSTY_ARM_FFA_H +-#define __LINUX_TRUSTY_ARM_FFA_H +- +-/* +- * Subset of Arm PSA Firmware Framework for Arm v8-A 1.0 EAC 1_0 +- * (https://developer.arm.com/docs/den0077/a) needed for shared memory. +- */ +- +-#include "smcall.h" +- +-#ifndef STATIC_ASSERT +-#define STATIC_ASSERT(e) _Static_assert(e, #e) +-#endif +- +-#define FFA_CURRENT_VERSION_MAJOR (1U) +-#define FFA_CURRENT_VERSION_MINOR (0U) +- +-#define FFA_VERSION_TO_MAJOR(version) ((version) >> 16) +-#define FFA_VERSION_TO_MINOR(version) ((version) & (0xffff)) +-#define FFA_VERSION(major, minor) (((major) << 16) | (minor)) +-#define FFA_CURRENT_VERSION \ +- FFA_VERSION(FFA_CURRENT_VERSION_MAJOR, FFA_CURRENT_VERSION_MINOR) +- +-#define SMC_ENTITY_SHARED_MEMORY 4 +- +-#define SMC_FASTCALL_NR_SHARED_MEMORY(nr) \ +- SMC_FASTCALL_NR(SMC_ENTITY_SHARED_MEMORY, nr) +-#define SMC_FASTCALL64_NR_SHARED_MEMORY(nr) \ +- SMC_FASTCALL64_NR(SMC_ENTITY_SHARED_MEMORY, nr) +- +-/** +- * typedef ffa_endpoint_id16_t - Endpoint ID +- * +- * Current implementation only supports VMIDs. FFA spec also support stream +- * endpoint ids. +- */ +-typedef uint16_t ffa_endpoint_id16_t; +- +-/** +- * struct ffa_cons_mrd - Constituent memory region descriptor +- * @address: +- * Start address of contiguous memory region. Must be 4K page aligned. +- * @page_count: +- * Number of 4K pages in region. +- * @reserved_12_15: +- * Reserve bytes 12-15 to pad struct size to 16 bytes. +- */ +-struct ffa_cons_mrd { +- uint64_t address; +- uint32_t page_count; +- uint32_t reserved_12_15; +-}; +-STATIC_ASSERT(sizeof(struct ffa_cons_mrd) == 16); +- +-/** +- * struct ffa_comp_mrd - Composite memory region descriptor +- * @total_page_count: +- * Number of 4k pages in memory region. Must match sum of +- * @address_range_array[].page_count. +- * @address_range_count: +- * Number of entries in @address_range_array. +- * @reserved_8_15: +- * Reserve bytes 8-15 to pad struct size to 16 byte alignment and +- * make @address_range_array 16 byte aligned. +- * @address_range_array: +- * Array of &struct ffa_cons_mrd entries. +- */ +-struct ffa_comp_mrd { +- uint32_t total_page_count; +- uint32_t address_range_count; +- uint64_t reserved_8_15; +- struct ffa_cons_mrd address_range_array[]; +-}; +-STATIC_ASSERT(sizeof(struct ffa_comp_mrd) == 16); +- +-/** +- * typedef ffa_mem_attr8_t - Memory region attributes +- * +- * * @FFA_MEM_ATTR_DEVICE_NGNRNE: +- * Device-nGnRnE. +- * * @FFA_MEM_ATTR_DEVICE_NGNRE: +- * Device-nGnRE. +- * * @FFA_MEM_ATTR_DEVICE_NGRE: +- * Device-nGRE. +- * * @FFA_MEM_ATTR_DEVICE_GRE: +- * Device-GRE. +- * * @FFA_MEM_ATTR_NORMAL_MEMORY_UNCACHED +- * Normal memory. Non-cacheable. +- * * @FFA_MEM_ATTR_NORMAL_MEMORY_CACHED_WB +- * Normal memory. Write-back cached. +- * * @FFA_MEM_ATTR_NON_SHAREABLE +- * Non-shareable. Combine with FFA_MEM_ATTR_NORMAL_MEMORY_*. +- * * @FFA_MEM_ATTR_OUTER_SHAREABLE +- * Outer Shareable. Combine with FFA_MEM_ATTR_NORMAL_MEMORY_*. +- * * @FFA_MEM_ATTR_INNER_SHAREABLE +- * Inner Shareable. Combine with FFA_MEM_ATTR_NORMAL_MEMORY_*. +- */ +-typedef uint8_t ffa_mem_attr8_t; +-#define FFA_MEM_ATTR_DEVICE_NGNRNE ((1U << 4) | (0x0U << 2)) +-#define FFA_MEM_ATTR_DEVICE_NGNRE ((1U << 4) | (0x1U << 2)) +-#define FFA_MEM_ATTR_DEVICE_NGRE ((1U << 4) | (0x2U << 2)) +-#define FFA_MEM_ATTR_DEVICE_GRE ((1U << 4) | (0x3U << 2)) +-#define FFA_MEM_ATTR_NORMAL_MEMORY_UNCACHED ((2U << 4) | (0x1U << 2)) +-#define FFA_MEM_ATTR_NORMAL_MEMORY_CACHED_WB ((2U << 4) | (0x3U << 2)) +-#define FFA_MEM_ATTR_NON_SHAREABLE (0x0U << 0) +-#define FFA_MEM_ATTR_OUTER_SHAREABLE (0x2U << 0) +-#define FFA_MEM_ATTR_INNER_SHAREABLE (0x3U << 0) +- +-/** +- * typedef ffa_mem_perm8_t - Memory access permissions +- * +- * * @FFA_MEM_ATTR_RO +- * Request or specify read-only mapping. +- * * @FFA_MEM_ATTR_RW +- * Request or allow read-write mapping. +- * * @FFA_MEM_PERM_NX +- * Deny executable mapping. +- * * @FFA_MEM_PERM_X +- * Request executable mapping. +- */ +-typedef uint8_t ffa_mem_perm8_t; +-#define FFA_MEM_PERM_RO (1U << 0) +-#define FFA_MEM_PERM_RW (1U << 1) +-#define FFA_MEM_PERM_NX (1U << 2) +-#define FFA_MEM_PERM_X (1U << 3) +- +-/** +- * typedef ffa_mem_flag8_t - Endpoint memory flags +- * +- * * @FFA_MEM_FLAG_OTHER +- * Other borrower. Memory region must not be or was not retrieved on behalf +- * of this endpoint. +- */ +-typedef uint8_t ffa_mem_flag8_t; +-#define FFA_MEM_FLAG_OTHER (1U << 0) +- +-/** +- * typedef ffa_mtd_flag32_t - Memory transaction descriptor flags +- * +- * * @FFA_MTD_FLAG_ZERO_MEMORY +- * Zero memory after unmapping from sender (must be 0 for share). +- * * @FFA_MTD_FLAG_TIME_SLICING +- * Not supported by this implementation. +- * * @FFA_MTD_FLAG_ZERO_MEMORY_AFTER_RELINQUISH +- * Zero memory after unmapping from borrowers (must be 0 for share). +- * * @FFA_MTD_FLAG_TYPE_MASK +- * Bit-mask to extract memory management transaction type from flags. +- * * @FFA_MTD_FLAG_TYPE_SHARE_MEMORY +- * Share memory transaction flag. +- * Used by @SMC_FC_FFA_MEM_RETRIEVE_RESP to indicate that memory came from +- * @SMC_FC_FFA_MEM_SHARE and by @SMC_FC_FFA_MEM_RETRIEVE_REQ to specify that +- * it must have. +- * * @FFA_MTD_FLAG_ADDRESS_RANGE_ALIGNMENT_HINT_MASK +- * Not supported by this implementation. +- */ +-typedef uint32_t ffa_mtd_flag32_t; +-#define FFA_MTD_FLAG_ZERO_MEMORY (1U << 0) +-#define FFA_MTD_FLAG_TIME_SLICING (1U << 1) +-#define FFA_MTD_FLAG_ZERO_MEMORY_AFTER_RELINQUISH (1U << 2) +-#define FFA_MTD_FLAG_TYPE_MASK (3U << 3) +-#define FFA_MTD_FLAG_TYPE_SHARE_MEMORY (1U << 3) +-#define FFA_MTD_FLAG_ADDRESS_RANGE_ALIGNMENT_HINT_MASK (0x1FU << 5) +- +-/** +- * struct ffa_mapd - Memory access permissions descriptor +- * @endpoint_id: +- * Endpoint id that @memory_access_permissions and @flags apply to. +- * (&typedef ffa_endpoint_id16_t). +- * @memory_access_permissions: +- * FFA_MEM_PERM_* values or'ed together (&typedef ffa_mem_perm8_t). +- * @flags: +- * FFA_MEM_FLAG_* values or'ed together (&typedef ffa_mem_flag8_t). +- */ +-struct ffa_mapd { +- ffa_endpoint_id16_t endpoint_id; +- ffa_mem_perm8_t memory_access_permissions; +- ffa_mem_flag8_t flags; +-}; +-STATIC_ASSERT(sizeof(struct ffa_mapd) == 4); +- +-/** +- * struct ffa_emad - Endpoint memory access descriptor. +- * @mapd: &struct ffa_mapd. +- * @comp_mrd_offset: +- * Offset of &struct ffa_comp_mrd form start of &struct ffa_mtd. +- * @reserved_8_15: +- * Reserved bytes 8-15. Must be 0. +- */ +-struct ffa_emad { +- struct ffa_mapd mapd; +- uint32_t comp_mrd_offset; +- uint64_t reserved_8_15; +-}; +-STATIC_ASSERT(sizeof(struct ffa_emad) == 16); +- +-/** +- * struct ffa_mtd - Memory transaction descriptor. +- * @sender_id: +- * Sender endpoint id. +- * @memory_region_attributes: +- * FFA_MEM_ATTR_* values or'ed together (&typedef ffa_mem_attr8_t). +- * @reserved_3: +- * Reserved bytes 3. Must be 0. +- * @flags: +- * FFA_MTD_FLAG_* values or'ed together (&typedef ffa_mtd_flag32_t). +- * @handle: +- * Id of shared memory object. Most be 0 for MEM_SHARE. +- * @tag: Client allocated tag. Must match original value. +- * @reserved_24_27: +- * Reserved bytes 24-27. Must be 0. +- * @emad_count: +- * Number of entries in @emad. Must be 1 in current implementation. +- * FFA spec allows more entries. +- * @emad: +- * Endpoint memory access descriptor array (see @struct ffa_emad). +- */ +-struct ffa_mtd { +- ffa_endpoint_id16_t sender_id; +- ffa_mem_attr8_t memory_region_attributes; +- uint8_t reserved_3; +- ffa_mtd_flag32_t flags; +- uint64_t handle; +- uint64_t tag; +- uint32_t reserved_24_27; +- uint32_t emad_count; +- struct ffa_emad emad[]; +-}; +-STATIC_ASSERT(sizeof(struct ffa_mtd) == 32); +- +-/** +- * struct ffa_mem_relinquish_descriptor - Relinquish request descriptor. +- * @handle: +- * Id of shared memory object to relinquish. +- * @flags: +- * If bit 0 is set clear memory after unmapping from borrower. Must be 0 +- * for share. Bit[1]: Time slicing. Not supported, must be 0. All other +- * bits are reserved 0. +- * @endpoint_count: +- * Number of entries in @endpoint_array. +- * @endpoint_array: +- * Array of endpoint ids. +- */ +-struct ffa_mem_relinquish_descriptor { +- uint64_t handle; +- uint32_t flags; +- uint32_t endpoint_count; +- ffa_endpoint_id16_t endpoint_array[]; +-}; +-STATIC_ASSERT(sizeof(struct ffa_mem_relinquish_descriptor) == 16); +- +-/** +- * enum ffa_error - FF-A error code +- * @FFA_ERROR_NOT_SUPPORTED: +- * Operation contained possibly valid parameters not supported by the +- * current implementation. Does not match FF-A 1.0 EAC 1_0 definition. +- * @FFA_ERROR_INVALID_PARAMETERS: +- * Invalid parameters. Conditions function specific. +- * @FFA_ERROR_NO_MEMORY: +- * Not enough memory. +- * @FFA_ERROR_DENIED: +- * Operation not allowed. Conditions function specific. +- * +- * FF-A 1.0 EAC 1_0 defines other error codes as well but the current +- * implementation does not use them. +- */ +-enum ffa_error { +- FFA_ERROR_NOT_SUPPORTED = -1, +- FFA_ERROR_INVALID_PARAMETERS = -2, +- FFA_ERROR_NO_MEMORY = -3, +- FFA_ERROR_DENIED = -6, +-}; +- +-/** +- * SMC_FC32_FFA_MIN - First 32 bit SMC opcode reserved for FFA +- */ +-#define SMC_FC32_FFA_MIN SMC_FASTCALL_NR_SHARED_MEMORY(0x60) +- +-/** +- * SMC_FC32_FFA_MAX - Last 32 bit SMC opcode reserved for FFA +- */ +-#define SMC_FC32_FFA_MAX SMC_FASTCALL_NR_SHARED_MEMORY(0x7F) +- +-/** +- * SMC_FC64_FFA_MIN - First 64 bit SMC opcode reserved for FFA +- */ +-#define SMC_FC64_FFA_MIN SMC_FASTCALL64_NR_SHARED_MEMORY(0x60) +- +-/** +- * SMC_FC64_FFA_MAX - Last 64 bit SMC opcode reserved for FFA +- */ +-#define SMC_FC64_FFA_MAX SMC_FASTCALL64_NR_SHARED_MEMORY(0x7F) +- +-/** +- * SMC_FC_FFA_ERROR - SMC error return opcode +- * +- * Register arguments: +- * +- * * w1: VMID in [31:16], vCPU in [15:0] +- * * w2: Error code (&enum ffa_error) +- */ +-#define SMC_FC_FFA_ERROR SMC_FASTCALL_NR_SHARED_MEMORY(0x60) +- +-/** +- * SMC_FC_FFA_SUCCESS - 32 bit SMC success return opcode +- * +- * Register arguments: +- * +- * * w1: VMID in [31:16], vCPU in [15:0] +- * * w2-w7: Function specific +- */ +-#define SMC_FC_FFA_SUCCESS SMC_FASTCALL_NR_SHARED_MEMORY(0x61) +- +-/** +- * SMC_FC64_FFA_SUCCESS - 64 bit SMC success return opcode +- * +- * Register arguments: +- * +- * * w1: VMID in [31:16], vCPU in [15:0] +- * * w2/x2-w7/x7: Function specific +- */ +-#define SMC_FC64_FFA_SUCCESS SMC_FASTCALL64_NR_SHARED_MEMORY(0x61) +- +-/** +- * SMC_FC_FFA_VERSION - SMC opcode to return supported FF-A version +- * +- * Register arguments: +- * +- * * w1: Major version bit[30:16] and minor version in bit[15:0] supported +- * by caller. Bit[31] must be 0. +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- * * w2: Major version bit[30:16], minor version in bit[15:0], bit[31] must +- * be 0. +- * +- * or +- * +- * * w0: SMC_FC_FFA_ERROR +- * * w2: FFA_ERROR_NOT_SUPPORTED if major version passed in is less than the +- * minimum major version supported. +- */ +-#define SMC_FC_FFA_VERSION SMC_FASTCALL_NR_SHARED_MEMORY(0x63) +- +-/** +- * SMC_FC_FFA_FEATURES - SMC opcode to check optional feature support +- * +- * Register arguments: +- * +- * * w1: FF-A function ID +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- * * w2: Bit[0]: Supports custom buffers for memory transactions. +- * Bit[1:0]: For RXTX_MAP min buffer size and alignment boundary. +- * Other bits must be 0. +- * * w3: For FFA_MEM_RETRIEVE_REQ, bit[7-0]: Number of times receiver can +- * retrieve each memory region before relinquishing it specified as +- * ((1U << (value + 1)) - 1 (or value = bits in reference count - 1). +- * For all other bits and commands: must be 0. +- * or +- * +- * * w0: SMC_FC_FFA_ERROR +- * * w2: FFA_ERROR_NOT_SUPPORTED if function is not implemented, or +- * FFA_ERROR_INVALID_PARAMETERS if function id is not valid. +- */ +-#define SMC_FC_FFA_FEATURES SMC_FASTCALL_NR_SHARED_MEMORY(0x64) +- +-/** +- * SMC_FC_FFA_RXTX_MAP - 32 bit SMC opcode to map message buffers +- * +- * Register arguments: +- * +- * * w1: TX address +- * * w2: RX address +- * * w3: RX/TX page count in bit[5:0] +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- */ +-#define SMC_FC_FFA_RXTX_MAP SMC_FASTCALL_NR_SHARED_MEMORY(0x66) +- +-/** +- * SMC_FC64_FFA_RXTX_MAP - 64 bit SMC opcode to map message buffers +- * +- * Register arguments: +- * +- * * x1: TX address +- * * x2: RX address +- * * x3: RX/TX page count in bit[5:0] +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- */ +-#define SMC_FC64_FFA_RXTX_MAP SMC_FASTCALL64_NR_SHARED_MEMORY(0x66) +-#ifdef CONFIG_64BIT +-#define SMC_FCZ_FFA_RXTX_MAP SMC_FC64_FFA_RXTX_MAP +-#else +-#define SMC_FCZ_FFA_RXTX_MAP SMC_FC_FFA_RXTX_MAP +-#endif +- +-/** +- * SMC_FC_FFA_RXTX_UNMAP - SMC opcode to unmap message buffers +- * +- * Register arguments: +- * +- * * w1: ID in [31:16] +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- */ +-#define SMC_FC_FFA_RXTX_UNMAP SMC_FASTCALL_NR_SHARED_MEMORY(0x67) +- +-/** +- * SMC_FC_FFA_ID_GET - SMC opcode to get endpoint id of caller +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- * * w2: ID in bit[15:0], bit[31:16] must be 0. +- */ +-#define SMC_FC_FFA_ID_GET SMC_FASTCALL_NR_SHARED_MEMORY(0x69) +- +-/** +- * SMC_FC_FFA_MEM_DONATE - 32 bit SMC opcode to donate memory +- * +- * Not supported. +- */ +-#define SMC_FC_FFA_MEM_DONATE SMC_FASTCALL_NR_SHARED_MEMORY(0x71) +- +-/** +- * SMC_FC_FFA_MEM_LEND - 32 bit SMC opcode to lend memory +- * +- * Not currently supported. +- */ +-#define SMC_FC_FFA_MEM_LEND SMC_FASTCALL_NR_SHARED_MEMORY(0x72) +- +-/** +- * SMC_FC_FFA_MEM_SHARE - 32 bit SMC opcode to share memory +- * +- * Register arguments: +- * +- * * w1: Total length +- * * w2: Fragment length +- * * w3: Address +- * * w4: Page count +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- * * w2/w3: Handle +- * +- * or +- * +- * * w0: &SMC_FC_FFA_MEM_FRAG_RX +- * * w1-: See &SMC_FC_FFA_MEM_FRAG_RX +- * +- * or +- * +- * * w0: SMC_FC_FFA_ERROR +- * * w2: Error code (&enum ffa_error) +- */ +-#define SMC_FC_FFA_MEM_SHARE SMC_FASTCALL_NR_SHARED_MEMORY(0x73) +- +-/** +- * SMC_FC64_FFA_MEM_SHARE - 64 bit SMC opcode to share memory +- * +- * Register arguments: +- * +- * * w1: Total length +- * * w2: Fragment length +- * * x3: Address +- * * w4: Page count +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- * * w2/w3: Handle +- * +- * or +- * +- * * w0: &SMC_FC_FFA_MEM_FRAG_RX +- * * w1-: See &SMC_FC_FFA_MEM_FRAG_RX +- * +- * or +- * +- * * w0: SMC_FC_FFA_ERROR +- * * w2: Error code (&enum ffa_error) +- */ +-#define SMC_FC64_FFA_MEM_SHARE SMC_FASTCALL64_NR_SHARED_MEMORY(0x73) +- +-/** +- * SMC_FC_FFA_MEM_RETRIEVE_REQ - 32 bit SMC opcode to retrieve shared memory +- * +- * Register arguments: +- * +- * * w1: Total length +- * * w2: Fragment length +- * * w3: Address +- * * w4: Page count +- * +- * Return: +- * * w0: &SMC_FC_FFA_MEM_RETRIEVE_RESP +- * * w1/x1-w5/x5: See &SMC_FC_FFA_MEM_RETRIEVE_RESP +- */ +-#define SMC_FC_FFA_MEM_RETRIEVE_REQ SMC_FASTCALL_NR_SHARED_MEMORY(0x74) +- +-/** +- * SMC_FC64_FFA_MEM_RETRIEVE_REQ - 64 bit SMC opcode to retrieve shared memory +- * +- * Register arguments: +- * +- * * w1: Total length +- * * w2: Fragment length +- * * x3: Address +- * * w4: Page count +- * +- * Return: +- * * w0: &SMC_FC_FFA_MEM_RETRIEVE_RESP +- * * w1/x1-w5/x5: See &SMC_FC_FFA_MEM_RETRIEVE_RESP +- */ +-#define SMC_FC64_FFA_MEM_RETRIEVE_REQ SMC_FASTCALL64_NR_SHARED_MEMORY(0x74) +- +-/** +- * SMC_FC_FFA_MEM_RETRIEVE_RESP - Retrieve 32 bit SMC return opcode +- * +- * Register arguments: +- * +- * * w1: Total length +- * * w2: Fragment length +- */ +-#define SMC_FC_FFA_MEM_RETRIEVE_RESP SMC_FASTCALL_NR_SHARED_MEMORY(0x75) +- +-/** +- * SMC_FC_FFA_MEM_RELINQUISH - SMC opcode to relinquish shared memory +- * +- * Input in &struct ffa_mem_relinquish_descriptor format in message buffer. +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- */ +-#define SMC_FC_FFA_MEM_RELINQUISH SMC_FASTCALL_NR_SHARED_MEMORY(0x76) +- +-/** +- * SMC_FC_FFA_MEM_RECLAIM - SMC opcode to reclaim shared memory +- * +- * Register arguments: +- * +- * * w1/w2: Handle +- * * w3: Flags +- * +- * Return: +- * * w0: &SMC_FC_FFA_SUCCESS +- */ +-#define SMC_FC_FFA_MEM_RECLAIM SMC_FASTCALL_NR_SHARED_MEMORY(0x77) +- +-/** +- * SMC_FC_FFA_MEM_FRAG_RX - SMC opcode to request next fragment. +- * +- * Register arguments: +- * +- * * w1/w2: Cookie +- * * w3: Fragment offset. +- * * w4: Endpoint id ID in [31:16], if client is hypervisor. +- * +- * Return: +- * * w0: &SMC_FC_FFA_MEM_FRAG_TX +- * * w1/x1-w5/x5: See &SMC_FC_FFA_MEM_FRAG_TX +- */ +-#define SMC_FC_FFA_MEM_FRAG_RX SMC_FASTCALL_NR_SHARED_MEMORY(0x7A) +- +-/** +- * SMC_FC_FFA_MEM_FRAG_TX - SMC opcode to transmit next fragment +- * +- * Register arguments: +- * +- * * w1/w2: Cookie +- * * w3: Fragment length. +- * * w4: Sender endpoint id ID in [31:16], if client is hypervisor. +- * +- * Return: +- * * w0: &SMC_FC_FFA_MEM_FRAG_RX or &SMC_FC_FFA_SUCCESS. +- * * w1/x1-w5/x5: See opcode in w0. +- */ +-#define SMC_FC_FFA_MEM_FRAG_TX SMC_FASTCALL_NR_SHARED_MEMORY(0x7B) +- +-#endif /* __LINUX_TRUSTY_ARM_FFA_H */ +diff --git a/include/linux/trusty/trusty.h b/include/linux/trusty/trusty.h +index efbb36999a8b..272d96c1c696 100644 +--- a/include/linux/trusty/trusty.h ++++ b/include/linux/trusty/trusty.h +@@ -52,9 +52,6 @@ u32 trusty_get_api_version(struct device *dev); + bool trusty_get_panic_status(struct device *dev); + + struct ns_mem_page_info { +- u64 paddr; +- u8 ffa_mem_attr; +- u8 ffa_mem_perm; + u64 compat_attr; + }; + +-- +2.34.1 + |