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[ Upstream commit f79edef79b6a2161f4124112f9b0c46891bb0b74 ]
Add a boundary check inside mana_ib_install_cq_cb to prevent index overflow.
Fixes: 2a31c5a7e0d8 ("RDMA/mana_ib: Introduce mana_ib_install_cq_cb helper function")
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1714137160-5222-5-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 60a7ac0b8bec5df9764b7460ffee91fc981e8a31 ]
Use struct mana_ib_queue and its helpers for CQs
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1711483688-24358-3-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Stable-dep-of: f79edef79b6a ("RDMA/mana_ib: boundary check before installing cq callbacks")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2d5c00815778ec4f4e0a84e405e3e157b7815db1 ]
Introduce mana_ib_create_dma_region() to create dma regions with iova
for MRs. It allows creating MRs with any page offset. Previously,
only page-aligned addresses worked.
For dma regions that must have a zero dma offset (e.g., for queues),
mana_ib_create_zero_offset_dma_region() is added.
To get the zero offset, ib_umem_find_best_pgoff() is used with zero
pgoff_bitmask.
Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1709560361-26393-3-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2a31c5a7e0d87959a03e846523013c75f4395a91 ]
Use a helper function to install callbacks to CQs.
This patch removes code repetition.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1705965781-3235-4-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Stable-dep-of: 2d5c00815778 ("RDMA/mana_ib: Use virtual address in dma regions for MRs")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 71c8cbfcdc8f1dc651b976d4c12dc9b9fce675c1 ]
Use a helper function to access gdma_context from mana_ib_dev.
This patch removes code repetitions as well as removes the need
to explicitly use gdma_dev, which was error-prone.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1705965781-3235-2-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Stable-dep-of: 2d5c00815778 ("RDMA/mana_ib: Use virtual address in dma regions for MRs")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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At probing time, the MANA core code allocates EQs for supporting interrupts
on Ethernet queues. The same interrupt mechanisum is used by RAW QP.
Use the same EQs for delivering interrupts on the CQ for the RAW QP.
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1702692255-23640-4-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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With RDMA device registered, use it to query on hardware capabilities and
cache this information for future query requests to the driver.
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1702692255-23640-3-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Add a RDMA VF driver for Microsoft Azure Network Adapter (MANA).
Co-developed-by: Ajay Sharma <sharmaajay@microsoft.com>
Signed-off-by: Ajay Sharma <sharmaajay@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1667502990-2559-13-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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