[PATCH OLK-6.6 0/6] vfio/migration: some bugfix
From: JiangShui Yang <yangjiangshui@h-partners.com> Longfang Liu (4): vfio/migration: added map length page alignment vfio/migration: bugfix some driver code vfio/migration: add eq and aeq interruption restore vfio/migration: bugfix cache write-back issue Weili Qian (2): vfio/migration: remove unused local variable hisi_acc_vfio_pci: obtain the mailbox configuration at one time drivers/crypto/hisilicon/qm.c | 15 ++- .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 125 +++++++++--------- .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h | 3 + include/linux/hisi_acc_qm.h | 8 +- 4 files changed, 78 insertions(+), 73 deletions(-) -- 2.33.0
virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9DRAC CVE: NA ---------------------------------------------------------------------- On systems with more than 64KB pages, since the ACC dev BAR2 configuration space will only map 32KB to the VM, if page alignment is not performed, the length of the allocated space will fail the length check. This will cause a VF device to fail to be enabled successfully on systems with pages above 64KB. Signed-off-by: Longfang Liu <liulongfang@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c index 4d27465c8f1a..38789a69798a 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -1221,7 +1221,21 @@ static int hisi_acc_vfio_pci_mmap(struct vfio_device *core_vdev, index = vma->vm_pgoff >> (VFIO_PCI_OFFSET_SHIFT - PAGE_SHIFT); if (index == VFIO_PCI_BAR2_REGION_INDEX) { u64 req_len, pgoff, req_start; - resource_size_t end = pci_resource_len(vdev->pdev, index) / 2; + resource_size_t end; + + /* + * ACC VF dev 64KB BAR2 region consists of both functional + * register space and migration control register space, each + * uses 32KB BAR2 region, on the system with more than 64KB + * page size, even if the migration control register space + * is written by VM, it will only affects the VF. + * + * In order to support the live migration function in the + * system with a page size above 64KB, the driver needs + * to ensure that the VF region size is aligned with the + * system page size. + */ + end = PAGE_ALIGN(pci_resource_len(vdev->pdev, index) / 2); req_len = vma->vm_end - vma->vm_start; pgoff = vma->vm_pgoff & -- 2.33.0
virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9DRAC CVE: NA ---------------------------------------------------------------------- 1.clean some codestyle issues 2.bugfix some code issues Signed-off-by: Longfang Liu <liulongfang@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 27 +++++++++++-------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c index 38789a69798a..8e4d134811cc 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -360,9 +360,12 @@ static int vf_qm_check_match(struct hisi_acc_vf_core_device *hisi_acc_vdev, u32 que_iso_state; int ret; - if (migf->total_length < QM_MATCH_SIZE || hisi_acc_vdev->match_done) + if (hisi_acc_vdev->match_done) return 0; + if (migf->total_length < QM_MATCH_SIZE) + return -EINVAL; + if (vf_data->acc_magic != ACC_DEV_MAGIC) { dev_err(dev, "failed to match ACC_DEV_MAGIC\n"); return -EINVAL; @@ -537,6 +540,7 @@ static int vf_qm_state_save(struct hisi_acc_vf_core_device *hisi_acc_vdev, } migf->total_length = sizeof(struct acc_vf_data); + return 0; } @@ -637,15 +641,16 @@ static void hisi_acc_vf_disable_fds(struct hisi_acc_vf_core_device *hisi_acc_vde static void hisi_acc_vf_state_mutex_unlock(struct hisi_acc_vf_core_device *hisi_acc_vdev) { -again: - spin_lock(&hisi_acc_vdev->reset_lock); - if (hisi_acc_vdev->deferred_reset) { + while (true) { + spin_lock(&hisi_acc_vdev->reset_lock); + if (!hisi_acc_vdev->deferred_reset) + break; + hisi_acc_vdev->deferred_reset = false; spin_unlock(&hisi_acc_vdev->reset_lock); hisi_acc_vdev->vf_qm_state = QM_NOT_READY; hisi_acc_vdev->mig_state = VFIO_DEVICE_STATE_RUNNING; hisi_acc_vf_disable_fds(hisi_acc_vdev); - goto again; } mutex_unlock(&hisi_acc_vdev->state_mutex); spin_unlock(&hisi_acc_vdev->reset_lock); @@ -817,6 +822,7 @@ static ssize_t hisi_acc_vf_save_read(struct file *filp, char __user *buf, size_t { struct hisi_acc_vf_migration_file *migf = filp->private_data; ssize_t done = 0; + size_t min_len; int ret; if (pos) @@ -834,17 +840,16 @@ static ssize_t hisi_acc_vf_save_read(struct file *filp, char __user *buf, size_t goto out_unlock; } - len = min_t(size_t, migf->total_length - *pos, len); - if (len) { + min_len = min_t(size_t, migf->total_length - *pos, len); + if (min_len) { u8 *vf_data = (u8 *)&migf->vf_data; - - ret = copy_to_user(buf, vf_data + *pos, len); + ret = copy_to_user(buf, vf_data + *pos, min_len); if (ret) { done = -EFAULT; goto out_unlock; } - *pos += len; - done = len; + *pos += min_len; + done = min_len; } out_unlock: mutex_unlock(&migf->lock); -- 2.33.0
virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9DRAC CVE: NA ---------------------------------------------------------------------- For the current live migration process, supplement the doorbell command operations of EQ and AEQ Signed-off-by: Longfang Liu <liulongfang@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c index 8e4d134811cc..e34358baa432 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -444,6 +444,19 @@ static int vf_qm_get_match_data(struct hisi_acc_vf_core_device *hisi_acc_vdev, return 0; } +static void vf_qm_xqc_restore(struct hisi_qm *qm, + struct hisi_acc_vf_migration_file *migf) +{ + struct acc_vf_data *vf_data = &migf->vf_data; + u16 eq_head, aeq_head; + + eq_head = vf_data->qm_eqc_dw[0] & 0xFFFF; + qm_db(qm, 0, QM_DOORBELL_CMD_EQ, eq_head, 0); + + aeq_head = vf_data->qm_aeqc_dw[0] & 0xFFFF; + qm_db(qm, 0, QM_DOORBELL_CMD_AEQ, aeq_head, 0); +} + static int vf_qm_load_data(struct hisi_acc_vf_core_device *hisi_acc_vdev, struct hisi_acc_vf_migration_file *migf) { @@ -673,6 +686,7 @@ static int hisi_acc_vf_load_state(struct hisi_acc_vf_core_device *hisi_acc_vdev) { struct device *dev = &hisi_acc_vdev->vf_dev->dev; struct hisi_acc_vf_migration_file *migf = hisi_acc_vdev->resuming_migf; + struct hisi_qm *vf_qm = &hisi_acc_vdev->vf_qm; int ret; /* Recover data to VF */ @@ -682,6 +696,9 @@ static int hisi_acc_vf_load_state(struct hisi_acc_vf_core_device *hisi_acc_vdev) return ret; } + /* Restore eqc and aeqc interrupt information */ + vf_qm_xqc_restore(vf_qm, migf); + return 0; } -- 2.33.0
virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9DRAC CVE: NA ---------------------------------------------------------------------- In the new vfio framework, cache write-back is placed in the device data copy stage after stopping the device operation. Writing back to the cache at this stage will cause the data obtained by the cache to be written back to be empty. In order to ensure that the cache data is written back successfully, the data needs to be written back into the stop device stage. Signed-off-by: Longfang Liu <liulongfang@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 29 ++++++++++--------- .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h | 3 ++ 2 files changed, 18 insertions(+), 14 deletions(-) diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c index e34358baa432..02020265e252 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -444,7 +444,7 @@ static int vf_qm_get_match_data(struct hisi_acc_vf_core_device *hisi_acc_vdev, return 0; } -static void vf_qm_xqc_restore(struct hisi_qm *qm, +static void vf_qm_xeqc_save(struct hisi_qm *qm, struct hisi_acc_vf_migration_file *migf) { struct acc_vf_data *vf_data = &migf->vf_data; @@ -521,23 +521,17 @@ static int vf_qm_state_save(struct hisi_acc_vf_core_device *hisi_acc_vdev, vf_data->vf_qm_state = QM_READY; hisi_acc_vdev->vf_qm_state = vf_data->vf_qm_state; - ret = vf_qm_cache_wb(vf_qm); - if (ret) { - dev_err(dev, "failed to writeback QM Cache!\n"); - return ret; - } - ret = qm_get_regs(vf_qm, vf_data); if (ret) return -EINVAL; /* Every reg is 32 bit, the dma address is 64 bit. */ - vf_data->eqe_dma = vf_data->qm_eqc_dw[1]; + vf_data->eqe_dma = vf_data->qm_eqc_dw[QM_XQC_ADDR_HIGH]; vf_data->eqe_dma <<= QM_XQC_ADDR_OFFSET; - vf_data->eqe_dma |= vf_data->qm_eqc_dw[0]; - vf_data->aeqe_dma = vf_data->qm_aeqc_dw[1]; + vf_data->eqe_dma |= vf_data->qm_eqc_dw[QM_XQC_ADDR_LOW]; + vf_data->aeqe_dma = vf_data->qm_aeqc_dw[QM_XQC_ADDR_HIGH]; vf_data->aeqe_dma <<= QM_XQC_ADDR_OFFSET; - vf_data->aeqe_dma |= vf_data->qm_aeqc_dw[0]; + vf_data->aeqe_dma |= vf_data->qm_aeqc_dw[QM_XQC_ADDR_LOW]; /* Through SQC_BT/CQC_BT to get sqc and cqc address */ ret = qm_get_sqc(vf_qm, &vf_data->sqc_dma); @@ -554,6 +548,9 @@ static int vf_qm_state_save(struct hisi_acc_vf_core_device *hisi_acc_vdev, migf->total_length = sizeof(struct acc_vf_data); + /* Save eqc and aeqc interrupt information */ + vf_qm_xeqc_save(vf_qm, migf); + return 0; } @@ -696,9 +693,6 @@ static int hisi_acc_vf_load_state(struct hisi_acc_vf_core_device *hisi_acc_vdev) return ret; } - /* Restore eqc and aeqc interrupt information */ - vf_qm_xqc_restore(vf_qm, migf); - return 0; } @@ -969,6 +963,13 @@ static int hisi_acc_vf_stop_device(struct hisi_acc_vf_core_device *hisi_acc_vdev dev_err(dev, "failed to check QM INT state!\n"); return ret; } + + ret = vf_qm_cache_wb(vf_qm); + if (ret) { + dev_err(dev, "failed to writeback QM cache!\n"); + return ret; + } + return 0; } diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h index dcabfeec6ca1..0c2d5c810caa 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h @@ -38,6 +38,9 @@ #define QM_REG_ADDR_OFFSET 0x0004 #define QM_XQC_ADDR_OFFSET 32U +#define QM_XQC_ADDR_LOW 0x1 +#define QM_XQC_ADDR_HIGH 0x2 + #define QM_VF_AEQ_INT_MASK 0x0004 #define QM_VF_EQ_INT_MASK 0x000c #define QM_IFC_INT_SOURCE_V 0x0020 -- 2.33.0
From: Weili Qian <qianweili@huawei.com> virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9DRAC CVE: NA ---------------------------------------------------------------------- Remove unused local variable 'vf_qm' in function hisi_acc_vf_load_state. Signed-off-by: Weili Qian <qianweili@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c index 02020265e252..249791960ed0 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -683,7 +683,6 @@ static int hisi_acc_vf_load_state(struct hisi_acc_vf_core_device *hisi_acc_vdev) { struct device *dev = &hisi_acc_vdev->vf_dev->dev; struct hisi_acc_vf_migration_file *migf = hisi_acc_vdev->resuming_migf; - struct hisi_qm *vf_qm = &hisi_acc_vdev->vf_qm; int ret; /* Recover data to VF */ -- 2.33.0
From: Weili Qian <qianweili@huawei.com> virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9DRAC CVE: NA ---------------------------------------------------------------------- The mailbox configuration(128 bits) needs to be obtained from the hardware at one time. If the mailbox configuration is obtained for multiple times, the read value may be incorrect. Use the instruction to read mailbox data instead of readl(). Signed-off-by: Weili Qian <qianweili@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- drivers/crypto/hisilicon/qm.c | 15 ++++--- .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 45 +++---------------- include/linux/hisi_acc_qm.h | 8 ++-- 3 files changed, 17 insertions(+), 51 deletions(-) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 6be0506ac419..5ab2de816165 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -662,7 +662,7 @@ static int qm_mb_nolock(struct hisi_qm *qm, struct qm_mailbox *mailbox) return ret; } -int hisi_qm_mb(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, u16 queue, +int hisi_qm_mb_write(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, u16 queue, bool op) { struct qm_mailbox mailbox; @@ -682,9 +682,9 @@ int hisi_qm_mb(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, u16 queue, return ret; } -EXPORT_SYMBOL_GPL(hisi_qm_mb); +EXPORT_SYMBOL_GPL(hisi_qm_mb_write); -static int hisi_qm_mb_read(struct hisi_qm *qm, u64 *base, u8 cmd, u16 queue) +int hisi_qm_mb_read(struct hisi_qm *qm, u64 *base, u8 cmd, u16 queue) { struct qm_mailbox mailbox; int ret; @@ -701,6 +701,7 @@ static int hisi_qm_mb_read(struct hisi_qm *qm, u64 *base, u8 cmd, u16 queue) return 0; } +EXPORT_SYMBOL_GPL(hisi_qm_mb_read); /* op 0: set xqc information to hardware, 1: get xqc information from hardware. */ int qm_set_and_get_xqc(struct hisi_qm *qm, u8 cmd, void *xqc, u32 qp_id, bool op) @@ -1789,12 +1790,12 @@ static int qm_ping_pf(struct hisi_qm *qm, u64 cmd) static int qm_drain_qm(struct hisi_qm *qm) { - return hisi_qm_mb(qm, QM_MB_CMD_FLUSH_QM, 0, 0, 0); + return hisi_qm_mb_write(qm, QM_MB_CMD_FLUSH_QM, 0, 0, 0); } static int qm_stop_qp(struct hisi_qp *qp) { - return hisi_qm_mb(qp->qm, QM_MB_CMD_STOP_QP, 0, qp->qp_id, 0); + return hisi_qm_mb_write(qp->qm, QM_MB_CMD_STOP_QP, 0, qp->qp_id, 0); } static int qm_set_msi(struct hisi_qm *qm, bool set) @@ -3164,11 +3165,11 @@ static int __hisi_qm_start(struct hisi_qm *qm) if (ret) return ret; - ret = hisi_qm_mb(qm, QM_MB_CMD_SQC_BT, qm->sqc_dma, 0, 0); + ret = hisi_qm_mb_write(qm, QM_MB_CMD_SQC_BT, qm->sqc_dma, 0, 0); if (ret) return ret; - ret = hisi_qm_mb(qm, QM_MB_CMD_CQC_BT, qm->cqc_dma, 0, 0); + ret = hisi_qm_mb_write(qm, QM_MB_CMD_CQC_BT, qm->cqc_dma, 0, 0); if (ret) return ret; diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c index 249791960ed0..6edce718714a 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -81,13 +81,10 @@ static int qm_get_vft(struct hisi_qm *qm, u32 *base) u32 qp_num; int ret; - ret = hisi_qm_mb(qm, QM_MB_CMD_SQC_VFT_V2, 0, 0, 1); + ret = hisi_qm_mb_read(qm, &sqc_vft, QM_MB_CMD_SQC_VFT_V2, 0); if (ret) return ret; - sqc_vft = readl(qm->io_base + QM_MB_CMD_DATA_ADDR_L) | - ((u64)readl(qm->io_base + QM_MB_CMD_DATA_ADDR_H) << - QM_XQC_ADDR_OFFSET); *base = QM_SQC_VFT_BASE_MASK_V2 & (sqc_vft >> QM_SQC_VFT_BASE_SHIFT_V2); qp_num = (QM_SQC_VFT_NUM_MASK_V2 & (sqc_vft >> QM_SQC_VFT_NUM_SHIFT_V2)) + 1; @@ -95,36 +92,6 @@ static int qm_get_vft(struct hisi_qm *qm, u32 *base) return qp_num; } -static int qm_get_sqc(struct hisi_qm *qm, u64 *addr) -{ - int ret; - - ret = hisi_qm_mb(qm, QM_MB_CMD_SQC_BT, 0, 0, 1); - if (ret) - return ret; - - *addr = readl(qm->io_base + QM_MB_CMD_DATA_ADDR_L) | - ((u64)readl(qm->io_base + QM_MB_CMD_DATA_ADDR_H) << - QM_XQC_ADDR_OFFSET); - - return 0; -} - -static int qm_get_cqc(struct hisi_qm *qm, u64 *addr) -{ - int ret; - - ret = hisi_qm_mb(qm, QM_MB_CMD_CQC_BT, 0, 0, 1); - if (ret) - return ret; - - *addr = readl(qm->io_base + QM_MB_CMD_DATA_ADDR_L) | - ((u64)readl(qm->io_base + QM_MB_CMD_DATA_ADDR_H) << - QM_XQC_ADDR_OFFSET); - - return 0; -} - static int qm_get_regs(struct hisi_qm *qm, struct acc_vf_data *vf_data) { struct device *dev = &qm->pdev->dev; @@ -347,7 +314,7 @@ static void vf_qm_fun_reset(struct hisi_qm *qm) static int vf_qm_func_stop(struct hisi_qm *qm) { - return hisi_qm_mb(qm, QM_MB_CMD_PAUSE_QM, 0, 0, 0); + return hisi_qm_mb_write(qm, QM_MB_CMD_PAUSE_QM, 0, 0, 0); } static int vf_qm_check_match(struct hisi_acc_vf_core_device *hisi_acc_vdev, @@ -486,13 +453,13 @@ static int vf_qm_load_data(struct hisi_acc_vf_core_device *hisi_acc_vdev, return ret; } - ret = hisi_qm_mb(qm, QM_MB_CMD_SQC_BT, qm->sqc_dma, 0, 0); + ret = hisi_qm_mb_write(qm, QM_MB_CMD_SQC_BT, qm->sqc_dma, 0, 0); if (ret) { dev_err(dev, "set sqc failed\n"); return ret; } - ret = hisi_qm_mb(qm, QM_MB_CMD_CQC_BT, qm->cqc_dma, 0, 0); + ret = hisi_qm_mb_write(qm, QM_MB_CMD_CQC_BT, qm->cqc_dma, 0, 0); if (ret) { dev_err(dev, "set cqc failed\n"); return ret; @@ -534,13 +501,13 @@ static int vf_qm_state_save(struct hisi_acc_vf_core_device *hisi_acc_vdev, vf_data->aeqe_dma |= vf_data->qm_aeqc_dw[QM_XQC_ADDR_LOW]; /* Through SQC_BT/CQC_BT to get sqc and cqc address */ - ret = qm_get_sqc(vf_qm, &vf_data->sqc_dma); + ret = hisi_qm_mb_read(vf_qm, &vf_data->sqc_dma, QM_MB_CMD_SQC_BT, 0); if (ret) { dev_err(dev, "failed to read SQC addr!\n"); return -EINVAL; } - ret = qm_get_cqc(vf_qm, &vf_data->cqc_dma); + ret = hisi_qm_mb_read(vf_qm, &vf_data->cqc_dma, QM_MB_CMD_CQC_BT, 0); if (ret) { dev_err(dev, "failed to read CQC addr!\n"); return -EINVAL; diff --git a/include/linux/hisi_acc_qm.h b/include/linux/hisi_acc_qm.h index c7ce373ec09a..1d5fbffbbd2e 100644 --- a/include/linux/hisi_acc_qm.h +++ b/include/linux/hisi_acc_qm.h @@ -52,8 +52,6 @@ #define QM_MB_EVENT_SHIFT 8 #define QM_MB_BUSY_SHIFT 13 #define QM_MB_OP_SHIFT 14 -#define QM_MB_CMD_DATA_ADDR_L 0x304 -#define QM_MB_CMD_DATA_ADDR_H 0x308 /* doorbell */ #define QM_DOORBELL_CMD_SQ 0 @@ -559,9 +557,9 @@ void hisi_qm_reset_prepare(struct pci_dev *pdev); void hisi_qm_reset_done(struct pci_dev *pdev); int hisi_qm_wait_mb_ready(struct hisi_qm *qm); -int hisi_qm_mb(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, u16 queue, - bool op); - +int hisi_qm_mb_write(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, + u16 queue, bool op); +int hisi_qm_mb_read(struct hisi_qm *qm, u64 *msg, u8 cmd, u16 queue); struct hisi_acc_sgl_pool; struct hisi_acc_hw_sgl *hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev, struct scatterlist *sgl, struct hisi_acc_sgl_pool *pool, -- 2.33.0
反馈: 您发送到kernel@openeuler.org的补丁/补丁集，转换为PR失败！ 邮件列表地址：https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/Z... 失败原因：应用补丁/补丁集失败，Patch failed at 0006 hisi_acc_vfio_pci: obtain the mailbox configuration at one time 建议解决方法：请查看失败原因， 确认补丁是否可以应用在当前期望分支的最新代码上 FeedBack: The patch(es) which you have sent to kernel@openeuler.org has been converted to PR failed! Mailing list address: https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/Z... Failed Reason: apply patch(es) failed, Patch failed at 0006 hisi_acc_vfio_pci: obtain the mailbox configuration at one time Suggest Solution: please checkout if the failed patch(es) can work on the newest codes in expected branch
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