linux-kernel - Re: [PATCH v5 09/15] misc: bcm-vk: add VK messaging support

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Date:   Wed, 30 Sep 2020 18:43:44 -0700
From:   Joe Perches <joe@...ches.com>
To:     Scott Branden <scott.branden@...adcom.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Desmond Yan <desmond.yan@...adcom.com>
Subject: Re: [PATCH v5 09/15] misc: bcm-vk: add VK messaging support

On Wed, 2020-09-30 at 18:28 -0700, Scott Branden wrote:
> Add message support in order to be able to communicate
> to VK card via message queues.

trivia:

> +/* structure that is used to faciliate displaying of register content */
> +struct bcm_vk_entry {
> +	const u32 mask;
> +	const u32 exp_val;
> +	const char *str;
> +};
[]
> +/*
> + * alerts that could be generated from peer
> + */
> +struct bcm_vk_entry const bcm_vk_peer_err[BCM_VK_PEER_ERR_NUM] = {

const struct bcm_vk_entry

> +	{ERR_LOG_UECC, ERR_LOG_UECC, "uecc"},
> +	{ERR_LOG_SSIM_BUSY, ERR_LOG_SSIM_BUSY, "ssim_busy"},
> +	{ERR_LOG_AFBC_BUSY, ERR_LOG_AFBC_BUSY, "afbc_busy"},
> +	{ERR_LOG_HIGH_TEMP_ERR, ERR_LOG_HIGH_TEMP_ERR, "high_temp"},
> +	{ERR_LOG_WDOG_TIMEOUT, ERR_LOG_WDOG_TIMEOUT, "wdog_timeout"},
> +	{ERR_LOG_SYS_FAULT, ERR_LOG_SYS_FAULT, "sys_fault"},
> +	{ERR_LOG_RAMDUMP, ERR_LOG_RAMDUMP, "ramdump"},
> +	{ERR_LOG_MEM_ALLOC_FAIL, ERR_LOG_MEM_ALLOC_FAIL, "malloc_fail warn"},
> +	{ERR_LOG_LOW_TEMP_WARN, ERR_LOG_LOW_TEMP_WARN, "low_temp warn"},
> +	{ERR_LOG_ECC, ERR_LOG_ECC, "ecc"},
> +};
> +
> +/* alerts detected by the host */
> +struct bcm_vk_entry const bcm_vk_host_err[BCM_VK_HOST_ERR_NUM] = {

here too

> +	{ERR_LOG_HOST_PCIE_DWN, ERR_LOG_HOST_PCIE_DWN, "PCIe_down"},
> +	{ERR_LOG_HOST_HB_FAIL, ERR_LOG_HOST_HB_FAIL, "hb_fail"},
> +	{ERR_LOG_HOST_INTF_V_FAIL, ERR_LOG_HOST_INTF_V_FAIL, "intf_ver_fail"},
> +};
[]
> @@ -970,6 +1251,9 @@ static int bcm_vk_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>  		}
>  	}
>  
> +	/* enable hb */
> +	bcm_vk_hb_init(vk);
> +
>  	dev_dbg(dev, "BCM-VK:%u created, 0x%p\n", id, vk);

Not much purpose in displaying the pointer.