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o -�h�M � @ s� d dl Z d dlZd dlZd dlZd dlZd dlmZ d dlmZ d dl m Z ej � d d� da daG dd� d�ZG d d � d �ZG d d � d �ZG d d� d�Zdd� ZG dd� de�Zdd� Zdd� Zdd� Zdd� Zd dd �Zed krwe� dS dS ) � N)�ELFError)�byte2int)�ELFFile�.Fc @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �Vendorz� Class for vendors. This is the top level class for the devices belong to a specific vendor. self.devices is the device dictionary subdevices are in each device. c C s0 |� � d | _|�d| j d��� | _i | _dS )zn Class initializes with the raw line from pci.ids Parsing takes place inside __init__ r z%s � N)�split�ID�replace�rstrip�name�devices)�self� vendorStr� r �/usr/bin/dpdk-pmdinfo.py�__init__% s zVendor.__init__c C s4 |� � }|�� d }|| jv rdS t|�| j|< dS )zW Adds a device to self.devices takes the raw line from pci.ids r N)�stripr r �Device)r � deviceStr�s�devIDr r r � addDevice. s zVendor.addDevicec C s. t | j| j� | j�� D ]\}}|�� q d S �N)�printr r r �items�report)r �id�devr r r r : s �z Vendor.reportc C �4 t |�dd � }z| j| W S td| � Y S )N� z%s Unknown Device)�hexr r )r �devidr r r � find_device? s zVendor.find_deviceN)�__name__� __module__� __qualname__�__doc__r r r r# r r r r r s r c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) r c C s4 |� � }|�� d | _|�d| j d�| _i | _dS )z\ Class for each device. Each vendor has its own devices dictionary. r z%s r N)r r r r r � subdevices)r r r r r r r J s zDevice.__init__c C s4 t d| j| jf � | j�� D ]\}}|�� qd S )Nz %s %s)r r r r( r r )r �subID�subdevr r r r T s �z Device.reportc C sP |� � }|�� }|d }|d }|�d�d }d||f }t|||�| j|< dS )z[ Adds a subvendor, subdevice to device. Uses raw line from pci.ids r � z ����%s:%sN)r r � SubDevicer( )r � subDeviceStrr �spl� subVendorID� subDeviceID� subDeviceNamer r r r � addSubDeviceY s �zDevice.addSubDevicec C sp t |�dd � }t |�dd � }d||f }z| j| W S |dkr0|dkr0tddd� Y S t||d� Y S )Nr r- �ffffz(All Subdevices)z(Unknown Subdevice))r! r( r. )r �subvenr* r" r r r � find_subidg s zDevice.find_subidN)r$ r% r& r r r4 r7 r r r r r H s r c @ s e Zd ZdZdd� Zdd� ZdS )r. z Class for subdevices. c C s || _ || _|| _dS )zD Class initializes with vendorid, deviceid and name N)�vendorID�deviceIDr )r �vendor�devicer r r r r y s zSubDevice.__init__c C s t d| j| j| jf � d S )Nz %s %s %s)r r8 r9 r �r r r r r � s zSubDevice.reportN)r$ r% r& r' r r r r r r r. t s r. c @ sR e Zd ZdZdd� Zdd� Zddd�Zd d � Zd d � Zd d� Z dd� Z dd� Z dS )�PCIIdsz� Top class for all pci.ids entries. All queries will be asked to this class. PCIIds.vendors["0e11"].devices["0046"]. subdevices["0e11:4091"].name = "Smart Array 6i" c C s. d| _ d| _i | _d| _| �|� | �� dS )z� Prepares the directories. Checks local data file. Tries to load from local, if not found, downloads from web r N)�version�date�vendors�contents� readLocal�parse)r �filenamer r r r � s zPCIIds.__init__c C s& | j �� D ] \}}t|j|j� qdS )z Reports the vendors N)r@ r r r r )r �vid�vr r r � reportVendors� s �zPCIIds.reportVendorsNc C s: |dur | j | �� dS | j �� D ]\}}|�� qdS )z� Reports everything for all vendors or a specific vendor PCIIds.report() reports everything PCIIDs.report("0e11") reports only "Compaq Computer Corporation" N)r@ r r )r r: �vIDrF r r r r � s �z PCIIds.reportc C r )Nr z%s Unknown Vendor)r! r@ r )r rE r r r � find_vendor� s zPCIIds.find_vendorc C s4 |D ]}|� d�dkr|�� d �dd� S qd S )NzDate:r, ����-r )�findr r )r �content�lr r r �findDate� s �zPCIIds.findDatec C s� | j s td| j � d S d}d}| j D ]F}|d dkr q|�� s!q|�d�dkr4| j| j| �|� q|�d�dkrL|�� �� d }| j| � |� q|�� d }t |�| j|< qd S )Nzdata/%s-pci.ids not foundr r �#z � ) rA r r? r rL r@ r r4 r r r )r r8 r9 rN r r r rC � s( � �z PCIIds.parsec C sJ t |ddd�� }|�� | _W d � n1 sw Y | �| j�| _dS )z& Reads the local file �rzutf-8)�encodingN)�open� readlinesrA rO r? )r rD �fr r r rB � s �zPCIIds.readLocalc C s* t d �d�d �d�d | _| �� dS )zg Loads database from local. If there is no file, it creates a new one from web r �/r+ rK N)�idsfiler r? rB r< r r r � loadLocal� s zPCIIds.loadLocalr ) r$ r% r& r' r rG r rI rO rC rB rY r r r r r= � s r= c C s> |� d�D ]}tj�|| �}tj�|�r tj�|� S qdS )z4 Given a search path, find file with requested name �:N)r �os�path�join�exists�abspath)rD � search_pathr\ � candidater r r � search_file� s �rb c @ sX e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dS )�ReadElfzF display_* methods are used to emit output into the output stream c C s t |�| _|| _d| _d| _dS )z� file: stream object with the ELF file to read output: output stream to write to N)r �elffile�output� _dwarfinfo� _versioninfo)r �filere r r r r � s zReadElf.__init__c C sj zt |�}|| j�� k r| j�|�W S W dS ty4 | j�t|��}|du r0| j�t|��}| Y S w )z� Retrieve a section given a "spec" (either number or name). Return None if no such section exists in the file. N)�intrd � num_sections� get_section� ValueError�get_section_by_name� force_unicode� force_bytes)r �spec�num�sectionr r r �_section_from_spec s �zReadElf._section_from_specc C sb |d D ]*}t �|d �}|�|d �}|�|d |d �}td|j|j|j|j|jf � qd S )N�pci_idsr r+ r � z%s (%s) : %s (%s) %s)�pcidbrI r# r7 r r r )r �pmdinfo�ir: r; r* r r r �pretty_print_pmdinfo s ���z ReadElf.pretty_print_pmdinfoc C s ddd�ddd�g}|� d�}||d d � }t�|�}tr'tt�|�� d S td|d � |D ]}ztd |d ||d f � W q1 tyL Y q1w |d r|td� td ur_| �|� n td� |d D ]}td|d |d |d |d f � qgtd� d S )N�paramszPMD PARAMETERS)r �tag�kmodzPMD KMOD DEPENDENCIES�=r z PMD NAME: r z%s: %sr{ r rt zPMD HW SUPPORT:z$VENDOR DEVICE SUBVENDOR SUBDEVICEz 0x%04x 0x%04x 0x%04x 0x%04xr r+ ru r ) �index�json�loads� raw_outputr �dumps�KeyErrorrv ry )r �mystring�optional_pmd_inforx rw r r r �parse_pmd_info_string s4 � � � z ReadElf.parse_pmd_info_stringc C s, | � |�}|du r dS |�� }d}|t|�k r�|t|�k rFdt|| � kr+dksFn |d7 }|t|�k rFdt|| � krDdkr,n q,|t|�krNdS |}|t|�k rpt|| �dkrp|d7 }|t|�k rpt|| �dks^t|||� �}|�d�}|dkr�| �||d� � |}|t|�k sdS dS )zm Display a strings dump of a section. section_spec is either a section number or a name. Nr � � r+ �PMD_INFO_STRINGr, )rs �data�lenr rn rL r� )r � section_specrr r� �dataptr�endptrr� �rcr r r �display_pmd_info_stringsB s. � � �z ReadElf.display_pmd_info_stringsc C s> |� � D ]}t|jj�dkr dt|j�v r t|j� S qd S )N� DT_NEEDED� librte_eal)� iter_tagsrn �entry�d_tag�needed)r rr r{ r r r �find_librte_eala s �zReadElf.find_librte_ealc C s | }d }d }| � d�}zA| �|�}|d urKtj�d�}|d u r!d}| �|�}t||d | d �}|d u r8W dS ts@td| � t |d�}t |t j �}W n t yU Y n tyb |�� Y dS w |� d �}|d u rv|d urt|�� dS |�� }d } | t|�k �r| t|�k r�d t|| � kr�d ks�n | d 7 } | t|�k r�d t|| � kr�d kr�n q�| t|�kr�nJ| } | t|�k r�t|| �d kr�| d 7 } | t|�k r�t|| �d ks�t|| | � �} | �d�} | dkr�| �d�} | | d d � |fS | } | t|�k s�|d u�r |�� dS )N�.dynamic�LD_LIBRARY_PATHr rZ � :/usr/lib64:/lib64:/usr/lib:/lib)NNz Scanning for autoload path in %s�rb�.rodatar r� r� r+ �DPDK_PLUGIN_PATHr, r} )rs r� r[ �environ�get�get_dt_runpathrb r� r rT rc �sys�stdout�AttributeErrorr �closer� r� r rn rL ) r �scanelf�scanfile�libraryrr �eallib� ldlibpath�dtrr� r� r� r� r� r r r �search_for_autoload_pathi st �� � � � � � z ReadElf.search_for_autoload_pathc C s0 |� � D ]}t|jj�dkrt|j� S qdS )N� DT_RUNPATHr )r� rn r� r� �runpath)r �dynsecr{ r r r r� � s �zReadElf.get_dt_runpathc C s d}t j�d�}|du rd}| �d�}z| �|�}W n ty$ Y dS w |�� D ]c}t|jj �dkr�dt|j �v r�t t|j �|d | d �}|dur�t |d ��3}zt |tj�}W n tyo td | � Y W d � q)w |�� |�d � |�� W d � n1 s�w Y q)dS ) zq Look to see if there are any DT_NEEDED entries in the binary And process those if there are r r� Nr� r� �librte_rZ r� r� z%s is no an ELF filer� )r[ r� r� rs r� r� r� rn r� r� r� rb rT rc r� r� r r �process_dt_needed_entriesr� r� )r r� r� r� r{ r� rh �libelfr r r r� � sB � �� � ���z!ReadElf.process_dt_needed_entriesN) r$ r% r& r' r rs ry r� r� r� r� r� r� r r r r rc � s $ > rc c C �" t | d�rt| j�r| �d�} | S )N�decode�latin-1)�hasattr�callabler� �r r r r rn � � rn c C r� )N�encoder� )r� r� r� r� r r r ro � r� ro c C s� t j�| �sd S zt �| �}W n ty Y d S w |D ]I}t j�| |�}t j�|�r/t|� t j�|�rez t |d�}t |t j �}W n t yK Y q tyS Y q w ts\td| � |�d� |�� q d S )Nr� zHw Support for library %sr� )r[ r\ r^ �listdir�OSErrorr] �isdir�scan_autoload_path�isfilerT rc r� r� r �IOErrorr� r r� r� )� autoload_path�dirs�d�dpathrh �readelfr r r r� � s4 � � ��r� c C s� t j�| �sts td� dS t| d�}zt|tj�}W n t y- ts*td| � Y dS w |� � \}}|s@ts>td| � dS tsP|du rH| }td||f � |� � tsZtd� t |� dS )z� search the specified application or path for a pmd autoload path then scan said path for pmds and report hw support zMust specify a file nameNr� zUnable to parse %sz!No autoload path configured in %sz Found autoload path %s in %sz Discovered Autoload HW Support:) r[ r\ r� r� r rT rc r� r� �ElfErrorr� r� r� )� dpdk_pathrh r� r� � scannedfiler r r �scan_for_autoload_pmds s4 � r� c C s d}t �� dkrd}tj�|�sd}nt �� dkr#d}tj�|�s#d}tjdd d �}|�� }|jd d d ddd� |jddddd d� |jdddd|dd� |jd d d d d d� |jd d!d"� |� � }|j rgd#a |j rmd |_ |j r�t |j �atd u r�td$� td%� |jr�tt|j�� tj�d&�}|d u r�d'}tj�|j�r�|j}nt|j|d( �}|d u r�td)� t�d%� t|d*��G}zt|tj�}|�� |� d+� t�d,� W n t y� } ztj � d-| � t�d%� W Y d } ~ n d } ~ ww W d � d S W d � d S 1 �sw Y d S ).Nz ./pci.ids�Linuxz/usr/share/misc/pci.idsz/usr/share/hwdata/pci.ids�FreeBSDz /usr/local/share/pciids/pci.idsz/usr/share/misc/pci_vendorsz3usage: %(prog)s [-hrtp] [-d <pci id file>] elf_filez Dump pmd hardware support info)�usage� descriptionz-rz--raw� store_truer� zdump raw json strings)�action�dest�helpz-tz--table�tbloutz/output information on hw support as a hex table)r� r� r� z-dz--pcidb�pcifilez/specify a pci database to get vendor names from�FILE)r� r� �default�metavarz-pz --plugindir�pdirz scan dpdk for autoload plugins�elf_filezdriver shared object file)r� TzPci DB file not foundr+ r� r r� zFile not foundr� r� r zELF error: %s ) �platform�systemr[ r\ r^ �argparse�ArgumentParser� add_mutually_exclusive_group� add_argument� parse_argsr� r� r� r= rv r �exitr� r� r� r� r� rb r� rT rc r� r� r� r �stderr�write) �stream�pcifile_default�parser�group�argsr� � myelffilerh r� �exr r r �main% s� � �� � � � � ���� $�r� �__main__r ) r r[ r� r� r� �elftools.common.exceptionsr �elftools.common.py3compatr �elftools.elf.elffiler r\ �insertr� rv r r r. r= rb �objectrc rn ro r� r� r� r$ r r r r �<module> s4 +,_ g! %L �